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230results about How to "Realize modular production" patented technology

Modularized H-bridge cascade multilevel mutual-balance power electronic transformer

The invention provides a modularized H-bridge cascade multilevel mutual-balance power electronic transformer. Power electronic devices are formed on the basis of IGBTs, the power electronic transformer can achieve four-quadrant controlled operation through an effective control strategy, two-way power flow control can be performed, a H-bridge cascade multilevel modularized structure is adopted for a main circuit, large-scale modularized production is facilitated, actual high-voltage class application can be performed, the harmonic content of output voltage is lower, the switching frequency of the power electronic devices is low, loss is lower, and the voltage-sharing problem is avoided. The system structure of the modularized H-bridge cascade multilevel mutual-balance power electronic transformer is in an AC / DC / AC mode, the high-voltage stage, the isolation stage and the low-voltage stage are achieved, and while the voltage transformation function, the isolation function, the energy transmission function and the like of a conventional transformer are completed, the power flow control and the function of control over the quality of electric energy can be completed.
Owner:STATE GRID CORP OF CHINA +1

Server cabinet cooling system

The invention discloses a server cabinet cooling system which comprises a liquid cooling tank arranged in a server cabinet, a water-cooled heat sink in the server cabinet, an air radiator in the cabinet, a first liquid storage tank and an outdoor external cooling system, wherein the liquid cooling tank comprises a finned heat exchanger, a plate-type heat exchanger and a first water pump which are integrated in a tank; the hot water side of the plate-type heat exchanger, the first water pump, the first liquid storage tank and the water-cooled heat sink in the server cabinet are connected into a first circulation loop by virtue of pipelines; and the external cooling system, the air radiator in the cabinet, the finned heat exchanger and the cold water side of the plate-type heat exchanger are connected into a second circulation loop through pipelines. The server cabinet cooling system is simple in structure, realizable in modular production and convenient in installation, can be used for not only respectively cooling each server cabinet without local heat gathering, but also avoiding outputting heat into the cabinet, is high in cooling efficiency, and can be used for achieving an energy-saving effect.
Owner:GUANGZHOU GOALAND ENERGY CONSERVATION TECH

Modular spatial curved surface folding and unfolding antenna mechanism based on rib mechanisms

The invention relates to an antenna mechanism, in particular to a modular spatial curved surface folding and unfolding antenna mechanism based on rib mechanisms. The modular spatial curved surface folding and unfolding antenna mechanism aims to solve the problems that an existing unfolding-type parabolic cylinder antenna structure is low in molded surface precision, poor in stability and low in integral rigidity, an umbrella-shaped antenna structure is not suitable for reflecting surface stretch forming, and a truss antenna structure capable of being unfolded only can be unfolded unidirectionally but a parabolic cylinder can not be formed. The modular spatial curved surface folding and unfolding antenna mechanism comprises two speed-controlled motors, two longitudinal connection rib mechanisms, two folding and unfolding connection mechanisms, a plurality of transverse connection rib mechanisms, a plurality of single rib mechanisms, a plurality of single modular folding and unfolding mechanisms, a plurality of tensioning pull ropes and a plurality of modular connection mechanisms. Two transverse outer side supporting frames are arranged between the two longitudinal connection rib mechanisms in parallel and are respectively formed by connecting multiple transverse connection ribs in series, and the two folding and unfolding connection mechanisms, the single modular folding and unfolding mechanisms and the single rib mechanisms are arranged in the supporting frames. The modular spatial curved surface folding and unfolding antenna mechanism is applied to satellites, space stations and space probes.
Owner:HARBIN INST OF TECH

Elastic hinge driving truss type foldable unit and foldable supporting arm

The invention relates to truss type foldable units and foldable supporting arms formed by the same and particularly to an elastic hinge driving truss type foldable unit and a foldable supporting arm. The elastic hinge driving truss type foldable unit and the foldable supporting arm aim at solving the problems that the existing hinged supporting arm is complicated in driving mechanism, large in folding size and low in repeated unfolding accuracy and accordingly the structural weight is greatly increased and the unfolding reliability is low. The elastic hinge driving truss type foldable unit comprises an upper frame, a lower frame, N elastic hinge type folding arms and N groups of drawing cable assemblies; the upper frame and the lower frame are arranged in a parallel mode; N vertexes of the upper frame and N vertexes of the lower frame are arranged in an upper and lower corresponding mode; every two corresponding vertex angles formed between the upper frame and the lower frame are supported through the corresponding elastic hinge type folding arm and can be connected with each other in a rotating mode; every group of drawing cable assembly is arranged at the diagonal position in a rectangular plane which is formed by the upper frame, the lower frame and the two corresponding adjacent elastic hinge type folding arms. The elastic hinge driving truss type foldable unit and the foldable supporting arm are applied to a satellite, a space station and a space probe.
Owner:HARBIN INST OF TECH

Plate heat tube type solar photovoltaic-photothermal composite heat collector and production process thereof

The invention discloses a plate heat tube type solar photovoltaic-photothermal composite heat collector and a production process thereof. The plate heat tube type solar photovoltaic-photothermal composite heat collector comprises a glass top cover plate (1), an air interlayer (5), a photovoltaic-photothermal composite component (10), a heat insulating layer (6) and a protective back plate (4), which are sequentially arranged from top to bottom, wherein the heat insulating layer (6) is in adhesive connection with the photovoltaic-photothermal composite component (10). The photovoltaic-photothermal composite component (10) is formed by highly integrating a plate heat tube evaporation section 1061 and a photovoltaic cell 103 by means of lamination process, a condensation section (1062) is connected with a heat collection heat exchanger (3) through a sleeve (7), all parts are fixed into a frame (2), and a circulating water inlet pipe (8) and a circulating water outlet pipe (9) which are respectively connected to the heat collection heat exchanger (3) are arranged on the lateral sides of the frame (2). By means of the plate heat tube type solar photovoltaic-photothermal composite heat collector, the temperature of the photovoltaic cell can be decreased greatly, the photovoltaic cell can be cooled more quickly and evenly, hot water can be outputted while electric energy is outputted, and comprehensive solar utilization efficiency is greatly improved. Further, the plate heat tube type solar photovoltaic-photothermal composite heat collector is simple in manufacturing process, efficient and feasible.
Owner:CENT SOUTH UNIV

Bi-directional power flow controlled multi-level mutual balance solid state transformer and realization method thereof

ActiveCN103516230ASolve the high voltage problem of demandEasy to controlAc-dc conversionAc-ac conversionLow voltageEngineering
The invention relates to a bi-directional power flow controlled multi-level mutual balance solid state transformer and a realization method thereof. The solid state transformer is a three-phase solid state transformer which is designed by using a mutual balance structure, and uses an AC-DC-AC three step type transform structure. A high voltage level, an isolation level and a low voltage level are comprised. The high voltage level and the isolation level are transformers with the same three-phase structure and are composed of sub units. The low voltage level is a single whole module which realizes an automatic mutual balance structure. Three-phase sub units of the high voltage level are connected in a star mode. The low voltage level is an alternating current output end with a three-phase four-wire wiring mode. The solid state transformer can realize power bi-directional flow. The whole three-phase system uses an independent structure, which is convenient for three-phase independent control and modular production. Through the direct current bus parallel module of the low voltage level, a three-phase electric power automatic mutual balance function is realized, so that the practical problem of the solid state transformer is solved.
Owner:STATE GRID CORP OF CHINA +1

Variable-rigidity flexible mechanical arm module and control method thereof

The invention relates to a variable-rigidity flexible mechanical arm module and a control method thereof. The variable-rigidity flexible mechanical arm module comprises two connecting plates (1) arranged on two sides, and a plurality of silica gel inflatable bags (2) are connected between the two connecting plates (1), wherein the plurality of silica gel inflatable bags (2) comprise variable stiffness silica gel inflatable bags which are used for generating an antagonistic effect and are arranged in the middle of the two connecting plates (1), and further comprise curved silica gel inflatablebags which are uniformly distributed around the two connecting plates (1) and are used for controlling the deformation shape; and each silica gel inflatable bag (2) is connected with an air pipe, theconnecting plates (1) are provided with pipeline passing holes (4) for allowing the air pipes to pass through, and the connecting plates (1) are further provided with connecting structures which can be in butt joint with a connecting plate of other flexible mechanical arm module so that the plurality of flexible mechanical arm modules can be connected in series. The variable-rigidity flexible mechanical arm module is simple in structure, convenient to assemble and flexible in movement; and the control method of the flexible mechanical arm module is efficient in work and the control precision is high.
Owner:FUZHOU UNIV

Complete scissor-like double-layer annular truss extendible antenna mechanism

The present invention provides a complete scissor-like double-layer annular truss extendible antenna mechanism. The mechanism comprises an inner layer annular truss component, an outer layer annular truss component and N inner and outer layer connection truss components; the inner layer annular truss component and the outer layer annular truss component both include N extending units; two common flower discs are connected between adjacent extending units; the inner and outer layer connection truss components are concentrically arranged; two upper and lower flower discs at each side of the inner layer extending units are connected with the corresponding two upper and lower outer layer flower discs at each side of the outer side layer extending units respectively through one inner and outer layer connection truss component to form a double-layer annular truss; and the distance between the length of the rod pieces at the same position of the inner and outer layer extending units and a flower disc rotation secondary axis and a center line satisfies a special proportional relation, and the ratio of the inner layer and the outer layer is (1-sin(180 / N)) / (1+sin(180 / N)). The complete scissor-like double-layer annular truss extendible antenna mechanism is high in rigidity, simple in structure and high in reliability, and can be applicable to a communication satellite, a space station and a space probe.
Owner:YANSHAN UNIV

Wet-type electric precipitator and application method thereof

The invention provides a wet-type electric precipitator and an application method thereof. The wet-type electric precipitator comprises a shell, a plurality of cylindrical anode plates, a plurality of cathode wire rings, anode plate washing nozzles and cathode wire washing nozzles, wherein the cylindrical anode plates are concentrically distributed with different diameters; the cathode wire rings are arranged at intervals with the cylindrical anode plates; cathode wires comprises four-stage pointed end cathode wires, two-stage pointed end cathode wires and acupuncture pointed end cathode wires; a plurality of cathode wires are circularly distributed in the cathode wire rings through the following order of the four-stage pointed end cathode wires, the acupuncture pointed end cathode wires, the two-stage pointed end cathode wires and the acupuncture pointed end cathode wires; the anode plate washing nozzles are annularly arranged and located above the cylindrical anode plates; the cathode wire washing nozzles are annularly arranged and located above the anode plate washing nozzles. By virtue of the wet-type electric precipitator and the application method thereof, the effective dust collection area of a solar polar plate can be increased and the smoke blind area is effectively reduced; meanwhile, an electric field is uniformly partitioned, and thus the efficient and stable operation of the wet-type electric precipitator can be guaranteed.
Owner:SHANGHAI LONGKING ENVIRONMENTAL PROTECTION

Thermal balance data collection battery box having replaceable elementary cells

The present invention relates to a thermal balance data collection battery box having replaceable elementary cells, and belongs to the technical field of battery management. According to the present invention, four air pressure columns formed by mutual adhesion are arranged in the bushing of a battery unit, optical fibers are inserted in the center position of the air pressure columns in a penetrating manner, the gap position on the bottom end of the bushing is provided with a Dembet effect semiconductor wafer, the light spot of the light of led lamp bead is irradiated to the axial position of the semiconductor wafer through light guide fibers, the temperature difference between the battery packs is converted into the position offset of the light spot on the Dembet effect semiconductor wafer by using the air thermal expansion and cold contraction principle, the monomer battery pack and the electrical components thereof are fixed by using the upper end cover having threads and the lower end cover having threads, the monomer battery in the battery pack can be arbitrarily replaced, and the working temperature can be automatically adjusted through the thermal expansion contraction opening and closing window of the battery pack bushing; and with the thermal balance data collection battery box, the temperature in the battery unit and the fine temperature difference between the battery unit can be accurately determined and can be transmitted to the power supply management hardware system so as to provide reliable data for the thermal management and the optimization of the battery.
Owner:DONGGUAN LILONG BATTERY TECH CO LTD

Seamless installation type sectional cabinet

The invention relates to a combination sideboard of seamless installation, which is a combination composed of a plurality of independent casings arranged in sequence, characterized in that a face plate with the adjustable width is arranged between the adjacent casings or at the outer side of the combination, the face plate comprises a skin layer with decorating surface and an inner layer with decorating surface, the skin layer and the inner layer are connected in a stacking way through a translational control unit which is used for applying the two layers into a whole and controlling the corresponding sliding direction of the two layers. By using the face plate with the adjustable width of the invention, the combination furniture can be produced and manufactured without considering the real size of the site exactly and any processing procedure on site, thus overcoming the defects that the pollution to the periphery and the site is caused by the secondary processing. Therefore, the furniture manufacture can achieve the building block design and the building block manufacture in real significance.
Owner:王君

Underactuation self-adaptive capturing device capable of being folded and unfolded

The invention relates to a capturing device, in particular to an underactuation self-adaptive capturing device capable of being folded and unfolded. The underactuation self-adaptive capturing device capable of being folded and unfolded aims to solve the problems that an existing space robot is high in weight, complex in structure and poor in reliability and is provided with a great number of driving motors. According to the underactuation self-adaptive capturing device capable of being folded and unfolded, a single-finger root joint shaft is arranged on the upper surface of one end of a substrate, a two-finger root shared joint shaft is arranged on the upper surface of the other end of the substrate, a driving assembly is arranged on the lower surface of the substrate, a first transmission shaft is arranged on the lower surface of the substrate through a first bearing block, the single-finger root joint shaft is sleeved with a first synchronous belt wheel, the first transmission shaft is sleeved with a second synchronous belt wheel, the first synchronous belt wheel is connected with the second synchronous belt wheel through a synchronous belt, the middle of the two-finger root shared joint shaft is sleeved with a first gear, and the first gear is connected with the driving assembly. The underactuation self-adaptive capturing device capable of being folded and unfolded is used for the aerospace field.
Owner:HARBIN INST OF TECH

Electric rotation mechanism for seat

The invention discloses an electric rotation mechanism for a seat. The mechanism comprises a rotation support, a rotation disc, a fixing disc, a press disc, an upper ball assembly, a lower ball assembly, a driving motor assembly and a semi-circular rack. The driving motor assembly is installed on the fixing disc and comprises a driving gear; the semi-circular rack is installed on the rotation support, the circle center of the semi-circular rack coincides with the rotation center of the rotation support, and the semi-circular rack is meshed with the driving gear; the driving gear in the drivingmotor assembly drives the rotation support to rotate back and forth within 0-180 degrees through the semi-circular rack. According to the electric rotation mechanism for the seat, just through single-grade transmission of the driving motor assembly, the driving gear and the semi-circular rack, the seat can rotate back and forth within 0-180 degrees, and the mechanism has the advantage of small occupation space. Meanwhile, the situation is avoided that a wire harness of the seat rotates without limit and is twisted off.
Owner:YANFENG ADIENT SEATING CO LTD

Double-layer annular truss antenna mechanism based on passive drive

The invention provides a double-layer annular truss antenna mechanism based on passive drive and relates to double-layer annular truss type expandable antenna mechanisms. The problems that an existing large-caliber single-ring annular truss antenna is small in rigidity, the use rigidity requirement can not be met, an existing annular truss antenna mechanism is complex in drive structure and large in weight, inhaul cables are prone to be twisted after being used for unfolding the mechanism, and the unfolding reliability is low are solved. The double-layer annular truss antenna mechanism comprises multiple inner and outer truss foldable unit modules, multiple inner transition folding assemblies and multiple outer transition folding assemblies. Each inner and outer truss foldable unit module comprises an inner folding unit module, an outer folding unit module and two inner and outer connection truss assemblies. Inner supporting vertical rods and outer supporting vertical rods which are opposite are connected through the inner and outer connection truss assemblies. After the inner and outer truss foldable unit modules are unfolded, an inner and outer double-layer annular truss polyhedron is formed. The double-layer annular truss antenna mechanism is used for a satellite, a space station and a space probe.
Owner:HARBIN INST OF TECH

Hidden type modularized socket

The invention relates to a power socket, in particular to a hidden type modularized socket. The hidden type modularized socket comprises a socket shell, a socket conducting strip, conducting strip insertion sleeves and a plurality of hole-type modules in the socket shell. The socket shell comprises a socket panel. Each hole-type module comprises a hole-type module bottom box and a socket insertion sleeve in the hole-type module bottom box, wherein the top end of the hole-type module bottom box is open. The socket insertion sleeves are connected with the conducting strip insertion sleeves. The conducting strip insertion sleeves connected with the socket insertion sleeves penetrate through the bottom walls of the hole-type module bottom boxes, and are clamped between the socket insertion sleeves. The open end of each hole-type module bottom box faces the socket panel. The hole-type module bottom boxes are in clamping connection or close fit connection with the inner surface of the socket panel in the mode of being pressed in the distribution direction of the hole-type module bottom boxes and the socket panel. The portions, corresponding to the socket insertion sleeves, of the socket panel are provided with insertion holes. According to the hidden type modularized socket, modular production of the hole-type modules of the socket is achieved, convenience is improved when the socket is assembled automatically, and universality of the hole-type modules in different sockets is improved.
Owner:BULL GRP CO LTD

Deepwater net cage with front streamline floating pipe outer frame

InactiveCN104186382AImproving anti-typhoon ability and risk prevention abilityImprove typhoon resistanceClimate change adaptationPisciculture and aquariaEngineeringWater depth
The invention discloses a deepwater net cage with a front streamline floating pipe outer frame. The deepwater net cage comprises a floating pipe frame, netting and a mooring system, the floating pipe frame is provided with the front streamline floating pipe outer frame, the front streamline floating pipe outer frame is composed of a front connecting piece, two outwards-protruding arc-shaped main floating pipes, two bent pipe connecting pieces and a back main floating pipe, the front ends of the two outwards-protruding arc-shaped main floating pipes are connected through the front connecting piece, and the back ends of the two outwards-protruding arc-shaped main floating pipes are connected with the two ends of the back main floating pipe respectively through the two bent pipe connecting pieces; in addition, a box tying point is arranged on the front connecting piece. The mooring system comprises an anchor, an anchor rope and an anchor rope weight, the anchor is sunk into the seabed, the lower end of the anchor rope is connected with the anchor, the upper end of the anchor rope is connected with the box tying point, the anchor rope weight is tied and hung on the anchor rope, and the length of the part, located between a tying and hanging point of the anchor rope weight and the upper end of the anchor rope, of the anchor rope approximates the lowest water level water depth of the position of the anchor.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Explicit modularized socket

The invention relates to a power socket. An explicit modularized socket comprises a socket shell, a socket electric conduction piece, a hole-shaped module and an electric conduction piece insertion sleeve. The socket shell comprises a socket panel, wherein a hole-shaped module window is formed in the socket panel. The hole-shaped module comprises a hole-shaped module shell and a socket insertion sleeve located in the hole-shaped module shell. The socket insertion sleeve is connected with the electric conduction piece insertion sleeve. The electric conduction piece insertion sleeve connected with the socket insertion sleeve penetrates out of the bottom end of the hole-shaped module shell. The top end of the hole-shaped module shell is provided with the hole-shaped module panel. The portion, corresponding to the socket insertion sleeve, of the hole-shaped module panel is provided with an insertion hole. The electric conduction piece insertion sleeve is clamped and supported through the socket electric conduction piece. The hole-shaped module shell is clamped to the inner surface of the socket panel by being pressed in the direction from the hole-shaped module shell to the socket panel. The hole-shaped module panel is arranged in the hole-shaped module window in a penetrating hole. Modularized production of the hole-shaped module of the socket is achieved, convenience is improved during automated assembling of the socket, and universality of the hole-shaped module in different sockets is improved.
Owner:BULL GRP CO LTD

Clearance self-regulating mechanism in automobile air pressure disc brake

The invention provides a clearance self-regulating mechanism in an automobile air pressure disc brake, belongs to the technical field of automobiles, and is used for solving the technical problems that the assembly production efficiency is relatively low and the like in the prior art. According to the clearance self-regulating mechanism in the automobile air pressure disc brake, the air pressure disc brake comprises a seat body, a pushing rod and a cam wheel; the mechanism is arranged on the seat body and is positioned between the pushing rod and the cam wheel; the clearance self-regulating mechanism comprises a support and a regulator assembly arranged on the support; the pushing rod penetrates through the support; the regulator assembly is positioned at the side part of the pushing rod;a spiral pipe is sleeved on the pushing rod; the spiral pipe is connected with the pushing rod through screw threads; the outer side surface of the spiral pipe is provided with an annular tooth; the regulator assembly is provided with a transmission gear; the transmission gear is meshed with the annular tooth at the outer side surface of the spiral pipe; the cam wheel is provided with a dial pin;and the regulator assembly can be dialed through the dial pin so as to enable the transmission gear to rotate unidirectionally. The mechanism enables the regulator assembly to form an individual module, and the production and assembly efficiency is improved.
Owner:LONGZHONG HLDG GRP

Overhead type rectangular wet electric precipitator

The invention provides an overhead type rectangular wet electric precipitator. The main body section of the electric precipitator is of a rectangular cylindrical structure and comprises a spray washing system, an anode module, a cathode module, a spray humidification system and a uniform distribution device; the electric precipitator is also provided with a shell self-supporting structure which comprises an inner column, an outer column, a main truss, an auxiliary truss and an annular truss; the inner column provided with the main truss is adhered to the outer wall of an absorption tower, and the top end of the main truss is used for supporting the wet electric precipitator; the main truss and the auxiliary truss are spaced from each other and are connected mutually to transfer load; the top end of the outer column provided with the auxiliary truss is used for supporting the wet electric precipitator; the annular truss is attached to the outer wall of the absorption tower; the inner column is arranged on the annular truss. Uniform partition in the precipitator can be realized, the cathode system and the anode system are produced in a modularized manner; the self-supporting structure does not need to occupy land and has no influence on the mounting and the overhauling of the original absorption tower; the effective dust collection area is increased, and the dust removal efficiency is improved.
Owner:SHANGHAI LONGKING ENVIRONMENTAL PROTECTION

Improved main frame of offshore net cage

The invention provides an improved main frame of an offshore net cage. The main frame consists of a floating pipe, and is characterized in that the floating pipe is a hollow elliptical pipe with a horizontal long axis and is prepared by processing a round pipe with relative draught of 10%-20%, and the relative draught refers to the percentage of the ratio of the amount of draught to the blank diameter before flattening. The improved main frame for the offshore net cage is reasonable in structure, high in operability, saved in cost, steady in connection, and improved in stability, anti-typhoon capability and risk prevention capability; and the main frame is mainly used for improving the strength and improving the wind and wave prevention level on the premise of not changing the overall size of an existing main frame, promoting offshore net cage culture to deep open sea areas, and realizing safe culture production in open sea areas with water depth of 20-60m.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Intelligent parking method and system

The invention discloses an intelligent parking method and system. The system is characterized in that a parking exchange unit is mainly adopted in the parking system, the parking exchange unit involves a bottom plate which is matched with a vehicle in shape and larger than the projection area of the vehicle in area, four stand columns are installed at the four corners of the bottom plate, the topsof the four stand columns are connected through a ceiling, and the bottom plate, the stand columns and the ceiling form a parking exchange hall; door curtains capable of ascending and descending aremounted on all or part of four vertical surfaces formed by the four stand columns; a man-machine interaction terminal is mounted on the outer side of the vertical surface on the left side of the vehicle advancing direction; traffic signal indicator light mounting cross beams are mounted on the stand columns, and driving indicator lights are mounted on the mounting cross beams; and a vehicle detection device is installed on the ceiling, and the vehicle detection device sends collected images of the vehicle and detection scale marks to a background central processing unit for image analysis, anda vehicle wheelbase is calculated and sent to a vehicle carrying robot. The method and system are complete in function and beneficial to improving the carrying efficiency and the vehicle storing andtaking efficiency.
Owner:JIANGSU LITTLE WHITE RABBIT INTELLIGENT MFG SCI INC

Method for purifying air

ActiveCN101884803ANo electron beamDoes not generate strong electromagneticDeodrantsSide effectHigh energy
The invention discloses a method for purifying air. The method comprises the following steps of: making the air pass through a first-stage high-voltage electrostatic field for exposing genetic substances contained in harmful substances in the air in an electric field directly; introducing the air treated by using the first-stage electric field into a second-stage high-voltage pulse electric field; and striking off molecular bonds of the genetic substances to change genetic information by using high-energy particles formed by high-voltage pulse to crack and kill harmful substances so as to fulfill the aim of purifying the air. The method is on the basis of a cracking principle without generating an electron beam, strong electromagnetism or new photoelectric pollution, so the method is safeon an environment and a human body. Later maintenance is relatively simple; and maintenance cost is low. Simultaneously various microorganisms, bacteria and viruses can be killed, so the air can be purified completely. In conclusion, the method has the characteristics of low cost, long purification maintaining time, no harm or side effect on the human body, so the method can be performed when people are around.
Owner:重庆派格环保科技有限责任公司

A magnetic suspended rotor support system, a magnetic suspension motor and a dust collector

The invention relates to the technical field of motors, and especially relates to a magnetic suspended rotor support system, a magnetic suspension motor and a dust collector provided with the motor. The magnetic suspended rotor support system includes a shell, a radial displacement sensor, a radial magnetic bearing and an axial magnetic bearing; the radial displacement sensor, the radial magnetic bearing and the axial magnetic bearing are all coaxially arranged in the shell; the shell is provided with an opening at one end in the direction of arrangement of the radial displacement sensor, the radial magnetic bearing and the axial magnetic bearing to receive a motor stator core; and the other end of the shell is provided with a shaft hole for a rotor shaft to extend to the outside. The structure is compact, and the invention is applicable to production of miniature motors. The modularization production of the motor is realized; the quantity of parts is relatively small in the modularization production; the coaxiality of the parts in the magnetic suspended rotor support system can be firstly guaranteed; the raise of the coaxiality precision of the whole motor can be facilitated; the production efficiency can be raised; and the cost can be reduced.
Owner:北京昆腾迈格技术有限公司

Multi-joint heavy load mechanical arm driven by single-blade hydraulic swing oil cylinders

The invention provides a multi-joint heavy load mechanical arm driven by single-blade hydraulic swing oil cylinders. The mechanical arm comprises a base module, a waist joint module, a shoulder jointmodule, a wrist joint module, a large arm and a small arm, wherein the large arm and the small arm are arranged between the modules. The mechanical arm is characterized in that the waist joint module,the shoulder joint module and the wrist joint module are each composed of two perpendicularly-arranged single-blade hydraulic swing oil cylinders. Every two adjacent modules are connected in series and fixed through a flange plate and a bolt, and large torque is transferred in a hydraulic drive mode. The waist joint module and the base module are in matched connection, the waist joint module comprises a J1 oil cylinder and a J2 oil cylinder which are perpendicularly arranged, the shoulder joint module comprises a J3 oil cylinder and a J4 oil cylinder which are perpendicularly arranged, and the wrist joint module comprises a J5 oil cylinder and a J6 oil cylinder which are perpendicularly arranged. The modules in the mechanical arm can be produced in batch, the production cost is reduced, the production efficiency is improved, the overall structure is simple and compact, and disassembly, assembly, overhaul and maintenance are convenient.
Owner:WUHAN UNIV OF SCI & TECH

Cable-stayed stretch-draw annular expandable antenna mechanism

A cable-stayed stretch-draw annular expandable antenna mechanism relates to an expandable antenna mechanism and solves the problem that an existing annular truss mechanism has a decrease in stiffnesswith an increase in the diameter of an antenna, cannot meet the stiffness requirements and has a complicated driving mechanism, a large weight and low expansion reliability. The cable-stayed stretch-draw annular expandable antenna mechanism comprises a plurality of cable-stayed stretch-draw expandable unit modules. Each of the cable-stayed stretch-draw expandable unit modules comprises a first expandable unit module and a second expandable unit module which are connected together. The plurality of first expandable unit module and the plurality of second expandable unit modules are arranged alternately and connected together to form a cable-stayed stretch-draw annular truss after expanded. The cable-stayed stretch-draw annular expandable antenna mechanism is good in reliability, compact instructure, light in weight, easy to drive, high in stiffness after fully expanded, meets the requirements for a large-diameter antenna, and is applied to a communication satellite, a space station anda space detector.
Owner:HARBIN INST OF TECH

Prefabricated concrete column and steel beam joint

PendingCN107083808AOptimize volumeImprove the problem of difficult transportationBuilding constructionsCross connectionAgricultural engineering
The invention discloses a prefabricated concrete column and steel beam joint. The joint comprises a prefabricated joint unit, a prefabricated concrete column and a prefabricated steel beam. The prefabricated concrete column comprises an upper column body and a lower column body, the prefabricated joint unit comprises a box body and a short steel beam, the short steel beam comprises a cross-shaped end and an extending end, the cross-shaped end is located in the box body and is in cross connection, the extending end penetrates out of the box body, and the extending end is connected with the prefabricated steel beam; the lower portion of the box body is provided with a grouting hole, the prefabricated joint unit is arranged between the upper column body and the lower column body, and the prefabricated joint unit is connected between the upper column body and the lower column body through grouting. According to the prefabricated concrete column and the steel beam joint, a prefabricated part is divided into the prefabricated concrete column, the prefabricated steel beam and the prefabricated joint unit, all the parts can be prefabricated in a prefabricating factory, the construction progress can be accelerated, and the construction quality can be improved; in addition, the size of the divided prefabricated part becomes small, and the problems that an existing prefabricated part is large in size and difficult to transport and assemble are solved.
Owner:CHONGQING UNIV

Modular combined wardrobe

ActiveCN102894673AMeet width size requirementsLow costWardrobesModular compositionModularity
The invention discloses a modular combined wardrobe. The modular combined wardrobe comprises a combined wardrobe body and fixing components, wherein the combined wardrobe body comprises a first base cabinet, a second base cabinet, an intermediate cabinet, a first top cabinet, a second top cabinet and a first lateral cabinet, an interval is arranged between the first base cabinet and the second base cabinet, the intermediate cabinet spans over the first base cabinet an the second base cabinet, intervals are respectively arranged at a left side and a right side of the intermediate cabinet, the first top cabinet and the second top cabinet are respectively arranged on a top face of the intermediate cabinet, an interval is arranged between the first top cabinet and the second top cabinet, the intermediate cabinet is movably connected with the first base cabinet, the second base cabinet, the first top cabinet and the second top cabinet respectively, the first lateral cabinet is arranged at the outer side of the first base cabinet, and is fixedly connected with the first base cabinet, and the fixing components comprise a first high lateral plate, a second high lateral plate, a top line, a top line reinforcing plate and a closing plate. According to the modular combined wardrobe disclosed by the invention, respectively modular components can be prefabricated by a manufacturer, and are then assembled on the spot, width and dimension of a cabinet body can be adjusted to meet requirements for the width and dimension of the on-the-spot environment, the modular combined wardrobe is suitable for standardized production, and space in the wardrobe can also be adjusted as required.
Owner:SUOFEIYA HOME COLLECTION

Preparing method for interlayer compounding gradient-controllable complex part and special device

The invention discloses a preparing method for an interlayer compounding gradient-controllable complex part and a special device and belongs to the technical field of compounding forming of multiple materials. The device comprises a material spreading system, a photo-curing forming system and a control unit. The method includes the steps that firstly, a three-dimensional solid model of a part is sliced and layered through layering software; then the multi-material-box material spreading system is controlled to achieve spreading of single-layer slurry according to a set program; then single-layer curing forming of the slurry on a forming table is achieved through vertical moving of a forming table and illumination of a light source; afterwards, the forming table is lifted so that a curing layer can be separated from a film; and the above operation is repeated to achieve layers of stacking, and finally, interlayer compounding of various photo-curing materials is completed. By means of the preparing method and the special device, a film conveying belt and the multi-material-box material spreading system are adopted, the kinds and numbers of applied photosensitive materials are not limited, and continuous printing of multiple layers and interlayer compounding of various materials can be achieved; the selection kinds of films are multiple, and the cost is low; and the material spreading system is simple in structure, modular production can be achieved, and application and popularization are facilitated.
Owner:TSINGHUA UNIV
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