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362results about How to "No soldering required" patented technology
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Ceiling system applicable to large-span space steel structure and construction method thereof
The invention discloses a ceiling system applicable to a large-span space steel structure and a construction method thereof. The ceiling system comprises a ceiling mounting plate, an adjustable mounting base, a three-dimensional adjustable hoisting tray, a ceiling joist and a panel, wherein the adjustable mounting base is connected with the ceiling mounting plate through a fastener and a fixing part rather than welding, therefore, the traditional grid lower chord ball welding ceiling method is changed, potential safety hazards caused by overhead welding can be avoided, green construction is realized, the construction error effect of a three-dimensional adjustable digestive grid lower chord ball can be achieved; meanwhile, the three-dimensional adjustable hoisting tray can rotate in all directions, the structure of a main joist is adjustable horizontally, can be adapted to the curve change of a space steel structure roof, can absorb deformation and structure mounting errors of a grid structure generated under the action of static and dynamic loads. The ceiling system disclosed by the invention has the advantages of reliable structure, simpleness in mounting, light weight, no need of wielding, good durability, high economical efficiency and the like and also has great innovation, a high promotion value and strong market competitiveness.
Owner:广东省建筑装饰工程有限公司
Steel structure beam column assembly type rigid joint
InactiveCN103290928APromote the standardization processReasonable structureBuilding constructionsCantilevered beamField conditions
The invention relates to a building steel structure beam column assembly type rigid joint which is characterized in that splicing plates are interactively arranged on upper flanges and lower flanges of a cantilever beam and a frame beam, and the splicing plates on the two sides are connected with the beams by welding seams in a steel structure processing factory previously. During field mounting of the joint, the splicing plates firmly welded on the two sides serve as ear plates to allow a mounting beam section to be in place quickly; after being in place, the splicing plates are connected with the upper flange and the lower flange of the beam on the other side and spliced with a web plate by bolts; and the mounting of the beam column rigid joint is accomplished. The beam column joint is wholly spliced by the bolts in a mounting field, and is reasonable in structure, definite in force transmission, high in construction efficiency and good in safety; the field mounting is in place quickly; no welding is adopted; the mounting efficiency can be improved; the risk of a fire caused by the welding is avoided; and the joint is wholly assembled by the bolts in a construction field, so that a great convenience is brought to a construction site where the construction field condition is poor and the welding cannot be carried out conveniently.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY +1
Method for preparing bicycle frame from long-fiber reinforced thermoplastic composite material through on-line direct molding
The invention relates to a method for preparing a bicycle frame from a long-fiber reinforced thermoplastic composite material through on-line direct molding. The method comprises the following steps of: plasticizing thermoplastic resin and an additive in a cylinder of a double-screw extruder by controlling processing temperature, drawing continuous fiber out from a creel, adjusting tension and leading into the cylinder of the double-screw extruder, uniformly mixing fiber into thermoplastic resin melt through cutting of a screw, and directly feeding thermoplastic resin melt mixed with the continuous fiber into a bicycle frame compacting tool set or pushing into a bicycle frame injection model and molding. Compared with the prior art, the method has the advantages that: mould pressing or injection molding can be directly performed, welding is not required, products prepared from the long-fiber reinforced thermoplastic composite material through on-line direct molding have the characteristics of high intensity, light weight, high impact resistance, low cost and the like.
Owner:HEFEI GENIUS NEW MATERIALS
`Method for integrally manufacturing hanging ring and infusion bag and bottle blank injection mold used in method
The invention aims to provide a method for integrally manufacturing a hanging ring and an infusion bag and a bottle blank injection mold used in the method. The manufacturing method comprises the following steps of (a) injection-molding of a bottle blank, namely performing injection-molding on an infusion bottle (bag) blank with a hanging ring by one step by using a hanging ring integral-injection mold; (b) pre-blowing molding, namely performing temperature regulation shaping and primary blow-molding on a bottle body of the injection-molded bottle blank, and bending the hanging ring at a certain angle; (c) blow-molding, performing secondary blow-molding on the bottle blank, and simultaneously bending the hanging ring into a formed sunken groove; (d) de-molding. According to the method and the injection mold, the hanging ring is directly injection-molded on the bottle blank, and the hanging ring and the bottle blank are integrally injection-stretching-blow molded, so that the hanging ring and the infusion bag are integrally molded, a production process is simple, and comprises few procedures, the production pollution is effectively avoided, and the production efficiency is improved; a hanging ring mold is eliminated, so that the mold input is low, the welding is not required, production sites are reduced, and the labor intensity and the manufacturing cost are reduced.
Owner:ANHUI DOUBLE CRANE PHARMA
Combusting device composite heating element with infra red radiation function used on gas-fired boiler
InactiveCN101082428AImprove wind resistanceStable combustionDomestic stoves or rangesLighting and heating apparatusFiberCombustor
This invention provides a sort of complex heating unit having the function of infrared radiation of the burner that it is characterized in that simple technique, high standardization degree, no weathering, no breach, and blaze combustion stably and no backfire phenomenon happened in the gas stove. This complex heating unit consists ofthe double-tier material or the several double-tier material, There is the honeycomb body which can forbear the high temperature and the cauterization in the substrate, there is the wire reticulated body or the fibrin body which can forbear the high temperature and the cauterization in the super stratum. The wire reticulated body of the super stratum in this invention can stabilize the flow and prevent this phenomenon in that backfire. The wire reticulated body of the super stratum resists the wind greatly, burn much more steadily and its firepower is stronger, also this invention can obtain holistic slippage with the fitting surface contacts hermetically with the air drain of the burner, and can be use with no jointing.
Owner:罗添翼
Steel tube flaring and punching device
InactiveCN102989912AHigh mechanical strengthExtended service lifeShaping toolsMetal-working feeding devicesPunchingPipe fitting
The invention discloses a steel tube flaring and punching device. The device comprises a first support, a second support and a third support arranged between the first support and the second support; wherein a feeding frame is arranged on one side of the first support and a blanking frame is arranged on one side of the second support; a steel tube heating device is arranged on the second support and a steel tube flaring machine is arranged on the third support; and a steel tube conveying mechanism is arranged on the first support and used for conveying steel tubes on the feeding frame to the heating device for heating, then conveying the steel tubes to the flaring machine for flaring, and conveying the steel tubes to two punching machines for simultaneous punching, wherein the two punching machines are oppositely arranged on two sides of the blanking frame. According to the adoption of the technical scheme, the steel tubes can be flared and punched after being heated, the steel tubes processed by the device not only are high in mechanical strength and long in service life, but also the pipe fitting integrity is maintained, welding is not needed, and the bell-and-spigot joint operation efficiency of the steel tubes is improved greatly.
Owner:青岛豪德博尔实业有限公司
Electronic expansion valve
ActiveCN102913678AReduce strong interferenceAvoid resonanceValve members for absorbing fluid energyResonanceEngineering
The invention provides an electronic expansion valve which comprises a valve body (1), a sleeve (2) connected to the upper end of the valve body (1), a valve seat (5) arranged in the valve body, a nut (6) connected with the upper end of the valve seat and a magnetic rotor (3) which is arranged outside the nut and matched with the upper part of the nut through a screw rod (4), wherein a cavity is formed between the inner walls of the sleeve (2) and the valve body (1) and the outer walls of the nut (6) and the valve seat (5). The electronic expansion valve is characterized by also comprising a baffle plate (15) and a damping channel (151), wherein the baffle plate is arranged in the cavity to divide the cavity into an upper cavity (101) and a lower cavity (103); and the damping channel (151) is communicated with the upper cavity and the lower cavity. According to the electronic expansion valve, because the cavity used for accommodating fluid is divided into the upper cavity and the lower cavity through the baffle plate, and intense interference to the magnetic rotor of fluid pulse is reduced through the damping channel, resonance is prevented, and noise is reduced or eliminated.
Owner:ZHEJIANG DUNAN HETIAN METAL CO LTD
Square tapered aluminum alloy automobile front carling based on embedded carbon fiber
InactiveCN103625553AGood crash safety performanceReduce fuel consumptionUnderstructuresBumpersElastic modulusHigh energy
The invention relates to a square tapered aluminum alloy automobile front carling based on an embedded carbon fiber. The square tapered aluminum alloy automobile front carling based on the embedded carbon fiber is characterized in that the section of the front carling is composed of two parts, namely the aluminum alloy outer wall and a carbon fiber reinforced plate. An aluminum alloy outer plate is little in elasticity modulus and good in deformation mode and the carbon fiber reinforced plate has the strong collision energy absorption capability. By means of the two new materials are combined and a square tapered structure, the contradiction among the high energy-absorption performance, the low-collision-acceleration peak value and the good crushing mode can be coordinated in a satisfying manner in the collision safety design process. The square tapered aluminum alloy automobile front carling based on the embedded carbon fiber has great significance in improvement of the collision performance and weight reduction.
Owner:HUNAN UNIV
Steel pipe tubular joint reinforced by carbon fiber composite reinforcing materials
InactiveCN103556713AImprove bearing capacityImprove fatigue resistanceBuilding repairsFiberStress concentration
The invention discloses a steel pipe tubular joint reinforced by carbon fiber composite reinforcing materials. The steel pipe tubular joint comprises a joint steel pipe main pipe, a joint steel pipe branch pipe, a bonding agent and carbon fiber cloth, wherein the joint steel pipe main pipe and the joint steel pipe branch pipe are round or rectangular steel pipes, the bonding agent is uniformly coated on the steel pipe tubular joint, the carbon fiber cloth is pated and wound on the bonding agent, and the carbon fiber cloth covers the steel pipe tubular joint coated with the bonding agent. The steel pipe tubular joint provided by the invention is applicable to the reinforcement of the existing welding pipe joint, the carrying force, the fatigue resistance performance, the corrosion resistance and the durability can be improved, the stress concentration degree of the joint is reduced, and the generation and the development of cracks are relieved.
Owner:NANJING UNIV OF TECH
Assembly method for LED lamp
InactiveCN103939859AFast installationImprove efficiencyPoint-like light sourceElectric circuit arrangementsPole pieceLamp shell
The invention relates to the technical field of LEDs and particularly discloses an efficient assembly method for an LED lamp. The method includes the first step of connecting a P pole piece and an N pole piece to a power driving board respectively, the second step of forming an insertion hole in the middle of an LED lamp panel, the third step of forming two opposite sliding grooves in a lamp shell of the LED lamp, the fourth step of forming a clamping hole in the top end of a lamp holder of the LED lamp, the fifth step of enabling the power driving board to be inserted into the lamp shell along the sliding grooves, wherein when the N pole piece moves out of the lamp shell, a bending portion is bounced off through self elastic force, at the moment, the power driving board is pulled downwards in the opposite direction, the bending portion of the N pole piece is buckled to the end of the lamp shell, the lamp holder is fixed to the lamp shell to press the N pole piece, the P pole piece extends into the clamping hole in the lamp holder, and a conductive connecting piece is inserted into the clamping hole and is electrically connected with the P pole piece, and the sixth step of allowing the LED lamp panel to be electrically connected with the power driving board through a plug connector, so that a circuit is switched on. The assembly method for the LED lamp has the advantages of being high in installation efficiency, free of welding and low in cost.
Owner:DONGGUAN ARTS ELECTRONICS +1
Broadband double circularly polarized end-fire array antenna based on gap waveguide
ActiveCN109980366ACompact structureEasy to integrateRadiating elements structural formsAntennas earthing switches associationPhysicsFrequency band
A broadband double circularly polarized end-fire array antenna based on a gap waveguide comprises an upper metal cover plate layer, a gap waveguide layer and a lower metal cover plate layer which aresuccessively stacked from top to bottom, wherein the gap waveguide layer is combined with the upper metal cover plate layer to form a upper gap waveguide structure, and is combined with the lower metal cover plate layer to form a lower gap waveguide structure; the upper and lower gap waveguide structure are fed through a first input port and a second input port respectively; the gap waveguide layer includes a metal separating plate, and metal ridges and a plurality of metal pins which are arranged on the front and back sides of the separating plate; each metal ridge includes a ridge gap waveguide T-type power divider and a three-stage stepped transition section transitioning from the ridge gap waveguide to a slot gap waveguide; the terminal of the metal separating plate is set as a separating plate circular polarizer; an antenna radiation structure is composed of a plurality of separating plate circular polarizers arranged in a matrix. The broadband double circularly polarized end-on-fire array antenna satisfies the characteristics of a wide frequency band, easy integration, and different circular polarization directions.
Owner:XIDIAN UNIV +1
Modular light emitting diode lighting system
InactiveCN105659023ANo soldering requiredLighting support devicesElongate light sourcesEffect lightEngineering
Discloses a Light Emitting Diode (LED) lighting system comprising one or more LED lighting fixture and at least one connector for each LED lighting fixture. The LED lighting fixture has a light Emitting Diode (LED) light strip comprising a substrate, at least one LED light and at least two conductive strips. The LED light is electrically connected to the conductive strips. Each connector comprises at least one conductive contact and / or at least one socket configured to connect at least two LED lighting fixture and / or to connect one LED light fixture and a plug or power cord. At least two LED lighting fixture is connected by inserting each end of the connector to the transverse side of one LED lighting fixture without soldering such that the conductive contact comes in contact with the conductive strip.
Owner:布莱恩·巴雷特
Bicycle frame and manufacturing process thereof
InactiveCN104029776AGuaranteed quality strengthReduce manufacturing costCycle framesVehicle frameSizing
The invention provides a bicycle frame. The bicycle frame comprises hollow tubes and metal connecting pieces, wherein the metal connecting pieces comprise a five-way connecting piece, a claw connecting piece, a seat tube connecting piece and two bicycle head connecting pieces; a bicycle head is connected with an upper tube through one bicycle head connecting piece; the bicycle head is connected with a lower tube through one bicycle head connecting piece; the upper tube, a middle tube and an upper fork are connected together through the seat tube connecting piece; the lower tube, the middle tube and a lower fork are connected together through the five-way connecting piece; the upper fork and the lower fork are connected with each other through claws; the hollow tubes and the metal connecting pieces are glued into a frame body. A process for manufacturing the bicycle frame comprises the following steps: customizing the metal connecting pieces and the claws on a large scale, performing sand blasting and cleaning for later use; performing sand blasting on hollow tubes including the bicycle head, the upper tube, the middle tube, the lower tube, the upper fork and the lower fork, and cleaning for later use; gluing spare metal connecting pieces, claws and hollow tubes into a frame body; entering a baking procedure, and baking at the temperature of 140-160 DEG C for an hour for sizing; after baking, cooling to obtain the bicycle frame.
Owner:TIANJIN JIAHAO BICYCLE +1
Foundation pit anti-floating anchor rod pull-out test tool
The invention discloses a foundation pit anti-floating anchor rod pull-out test tool. The tool comprises an anchor rod, an anchor rod locking component, a connecting sleeve, a lengthened anchor rod and a center-penetrating jack, wherein the anchor rod consists of a plurality of anchor ribs; the anchor rod consists of a locking rod and a locking buckle component; the upper end of each anchor rib in the anchor rod is symmetrically bent from the center to the outside to form a bent part; a plurality of groove ways for placing the anchor ribs are symmetrically and vertically arranged on the outer wall of the lower part of the locking rod at intervals; the locking buckle component is arranged on the lower part of the locking rod in a buckling way to lock and fix the anchor ribs in the groove ways; a step structure pushing against the bent parts of the anchor ribs is arranged on the middle part of the locking rod; the upper end of the lock rod and the lower end of the lengthened anchor rod are linked together through the connecting sleeve; the lengthened anchor rod is linked with the center-penetrating jack; the lock rod and the lengthened anchor rod can be quickly connected together through the anchor rod locking component. The center-penetrating jack applies a pull-out force to the lengthened anchor rod and transfers the force to the anchor rod, so that a pull-out test is performed; according to the pull-out test tool, the traditional structure form is eliminated, lengthened anchor ribs are not used, welding is not required, and the tool can be repeatedly used, so that the cost is effectively reduced, and the working efficiency is improved.
Owner:GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
Connecting piece used for fixing steel structure panel house frame and used in multi-angle orientation mode
InactiveCN111411700AAvoid installationAvoid installation errorsBuilding constructionsMechanical engineeringIndustrial engineering
Owner:王升
Method for measuring heat conductivity coefficient of conduction oil
InactiveCN106568803AEasy to fixNo soldering requiredMaterial heat developmentOhmic-resistance heatingChemical platingStructural stability
The invention relates to a method for measuring the heat conductivity coefficient of conduction oil. The method adopts a transient hot wire method, which is characterized in that the measuring method adopts a novel integral hot wire structure prepared by technologies such as etching, chemical plating, etc. The integral hot wire structure does not need welding and is good in stability and shock resistant property, so the method can measure a wide temperature range, moreover, due to the integral structure, there is no welding point, and the test accuracy is high.
Owner:中国锅炉水处理协会
Stator core, motor and motor making production method
ActiveCN102570645ANo pressure requiredNo soldering requiredMagnetic circuit stationary partsManufacturing dynamo-electric machinesEngineeringTooth part
The invention aims at providing a stator core which is formed by serrated units buckled mutually and needs no pressure holding or welding. The stator core provided by the invention comprises a plurality of serrated units assembled together in a circumferential direction, each serrated unit is provided with a teeth part used for twisting wire and a yoke part positioned at one end of the teeth part, a circular arc bulge is arranged at one end of the yoke part, a groove matched with the bulge in shape is arranged on the other end of the yoke part, and one serrated unit is matched with the groove of an adjacent serrated unit by the bulge, so as to form a planar hinge capable of rotating relatively between two adjacent serrated units.
Owner:GREE ELECTRIC APPLIANCES INC +2
Horizontal-type fast assembling platform for H profile steel
ActiveCN102825410AImprove work efficiencyImprove securityWelding/cutting auxillary devicesAuxillary welding devicesStructural engineering
Owner:CHINA MCC5 GROUP CORP
Connection rod member for bolt ball node steel lattice
InactiveCN1715575AReduce weightThe effect is positive and obviousCeilingsPetroleum engineeringWelding
The connecting rod member for bolt ball node steel lattice consists of lattice connecting pipe, bolt ball node connecting joint and bolt ball. The lattice connecting pipe and the bolt ball node connecting joint are connected fixedly, and the bolt ball node connecting joint and the bolt ball are connected. The lattice connecting pipe is constituted with one composite steel-plastic structure pipe, which has end connected via thread structure to plate sealing conic head. The present invention has relatively small weight, and the lattice connecting pipe of composite steel-plastic structure is connected to the bolt ball node connecting joint in tooth mode without need welding, resulting in flexible, safe and convenient construction.
Owner:上海温兴生物工程有限公司
Secondary electrochemical battery sealing body with encapsulated type chip shield structure and battery
ActiveCN104900820AReasonable and ingenious structural designAvoid distractionsBatteries circuit arrangementsMagnetic/electric field screeningElectrical batteryElectromagnetic shielding
The invention provides a secondary electrochemical battery sealing body with an encapsulated type chip shield structure. The sealing body comprises a cathode cap, a circuit board module and an insulating washer, wherein a sunk wire turn structure is formed at one end, near the cathode cap, of a battery shell; the circuit board module is positioned between the wire turn and the cathode cap; the length of the diameter of the circuit board module is set between the sunk inner diameter formed by the wire turn and the inner diameter of the battery shell, so that the circuit board module is clamped on one side of the wire turn; the circuit board module and the cathode cap are connected through a conducting material, and form a first enclosed electromagnetic shielding space; the battery shell and the circuit board module form a second enclosed electromagnetic shielding space; electronic components are arranged in the first enclosed electromagnetic shielding space and the second enclosed electromagnetic shielding space; the section of the insulating washer adopts a shape referring to the description; the insulating washer is arranged in the interspace among the battery shell, the circuit board module and the cathode cap, presses and fixes the circuit board module between the wire turn and the battery shell, and insulates the battery shell and the cathode cap.
Owner:FUJIAN NANPING NANFU BATTERY
Anchor pile method static load test detecting device
PendingCN109518734ASimple structureEasy to installFoundation testingBulkheads/pilesRebarBuilding construction
The invention discloses an anchor pile method static load test detecting device. A static load test pile and a jack arranged above the static load test pile are included. A main beam is horizontally arranged above the jack. At least two secondary beams perpendicular to the main beam are horizontally arranged above the main beam. Two anchor piles are arranged under each secondary beam, and the anchor piles are symmetrically arranged on the two sides of the main beam. A plurality of anchor ribs are arranged at the middle positions of the anchor piles, and each of the two sides is provided with arow of parallel connecting rods. The connecting rods are located on the two sides of the secondary beams. Anchor discs are further arranged between the anchor piles and the main beam, supporting pieces are arranged between the anchor discs and the anchor piles, and the upper ends of the anchor ribs are fixedly connected with the anchor discs. The upper ends of the connecting rods penetrate through the anchor boxes and are fixed to the positions above the secondary beams through steel bar fixing pieces. According to the anchor pile method static load test detecting device, design is reasonable, construction is convenient, the anchor ribs can be better positioned and fixed, and the construction period is effectively shortened.
Owner:中汽建工(洛阳)检测有限公司
Multifunctional reflow jig for FPC lamp bar
ActiveCN106180956ANo soldering requiredEasy to usePrinted circuit assemblingWelding/cutting auxillary devicesReusabilityDie casting
The invention discloses a multifunctional reflow jig for an FPC lamp bar, and solves the technical problems that the influence of an existing jig for an FPC lamp bar on the temperature of a reflow welding furnace is excessive, and a steel cover piece and a magnetic structure of the jig both need welding, and have poor reusability. The following technical scheme is adopted: the multifunctional reflow jig for the FPC lamp bar comprises a carrying disc formed from a synthetic stone material in a die-casting manner, a location base matched and clamped with the carrying disc to form one piece and formed from an aluminium alloy material in a die-casting manner, a magnet embedded on the location base, and a steel cover piece closely attracted through the magnet, used for sealing the carrying disc on the location base and formed from a steel material in a die-casting manner. The multifunctional reflow jig has the following advantages: heat absorption influence is reduced through using the carrying disc formed from the synthetic stone material and a reflow fixing fixture, clip connection is used in the structure for many times, and a lighting fixture is designed, thus an assembly process is greatly simplified, and the production efficiency is increased.
Owner:NANJING CHINA ELECTRONICS PANDA LIGHTING
Boundary scanning fault injection method based on data reconstruction
InactiveCN109459684AImplement a custom buildAffect qualityElectrical testingData reconstructionComputer science
The invention provides a boundary scanning fault injection method based on data reconstruction. The boundary scanning fault injection method comprises the steps that boundary scanning chains are identified and connection with a fault injection object is established; a fault injection instruction is received and fault instruction data is parsed to identify a fault mode, and the fault instruction data and data on TAP scanning chains of the current fault injection object are cached and processed; fault injection object information is read from a BSDL file to select a fault injection point; faultinjection sequence data is generated and is sent to the fault injection object, injection of different types of faults is achieved, pin states are fed back to a fault injection PC control terminal. Byadopting the method, user-defined establishment of fault injection testing data is achieved, and the problem is solved that a fault injection method based on a hardware circuit affects the quality ofsignal transmission of a chip.
Owner:CHINA AERO POLYTECH ESTAB
Novel building structure
InactiveCN108104258AEasy to transportFirmly connectedBuilding constructionsStructural engineeringStructural unit
Owner:黄梓建
Jacking system for closure section of continuous rigid frame bridge and jacking deviation rectifying method
The invention discloses a jacking system for a closure section of a continuous rigid frame bridge and a jacking deviation rectifying method. The jacking system is composed of a top plate jacking system and a bottom plate jacking system. The top plate jacking system comprises two sets of top plate embedded bases arranged at the ends of two cantilever beam sections of the continuous rigid frame bridge correspondingly, top plate rigid supporting structures supported between the two sets of top plate embedded bases and a top plate jacking mechanism. The bottom plate jacking system comprises two sets of bottom plate embedded bases arranged at the ends of the two cantilever beam sections correspondingly, bottom plate rigid supporting structures supported between the two sets of bottom plate embedded bases and a bottom plate jacking mechanism. The jacking deviation rectifying method comprises the steps of (1) measurement of position deviation of the cantilever beam sections, (2) adjustment of elevation deviation of the cantilever beam sections, (3) deviation rectifying adjustment and (4) longitudinal jacking. The jacking system is simple in structure, reasonable in design, easy and convenient to construct and good in using effect, the jacking deviation rectifying process of the cantilever beam sections on the two sides of the closure section can be completed easily, conveniently and rapidly, and the rectifying requirements of lateral deviation and reverse deviation of the cantilever beam sections can be met.
Owner:XIAN HIGHWAY INST
Non-welded cold-bending bidirectional-hinged column base
ActiveCN105672492ANo soldering requiredEasy to installBuilding constructionsStructural engineeringResidual stress
The invention provides a non-welded cold-bending bidirectional-hinged column base which comprises cold-bending formed steel plates arranged symmetrically pairwise, wherein the steel plates are fixedly connected through bolts. The non-welded cold-bending bidirectional hinge column base is simple to mount, free of welding for the entire column base, convenient to machine, free of welding and low in impact of residual stress; a unique extending bending design of the bottom realizes the bidirectional hinge of the column base; the column base has good rotation capacity to reduce the damage to the column base in the earthquake.
Owner:INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
Suspending device of suspended ceiling
InactiveCN105421644AEasy to fixEasy to disassemble and repairCeilingsEngineeringBuilding construction
Owner:GOLD MANTIS CONSTR DECORATION
Unit extensible type assembled metal gutter and manufacturing and installing method thereof
The invention provides a unit extensible type assembled metal gutter which comprises a plurality of gutter unit sections. Each gutter unit section comprises a metal plate manufactured U-shaped gutter groove body section and a metal framework, the metal frameworks are fixedly arranged at the bottoms of the U-shaped gutter groove body sections and / or the side walls of the outer sides of the U-shaped gutter groove body sections and provided with connection structures connected with a building. Ports at two ends of each U-shaped gutter groove body section are integrally provided with a transverse U-shaped groove extensible interface portion, the outer sides of U-shaped groove extensible structure portions arranged at two ends of a U-shaped gutter groove body are provided with matched fastener structures, and adjacent gutter unit sections are integrally connected through the fastener structures. The invention further provides a manufacturing and installing method of the unit extensible type assembled metal gutter. By means of the unit extensible type assembled metal gutter and the manufacturing and installing method, assembling type construction can be achieved, the work efficiency is high, the quality is good, the construction is convenient, no welding is needed in a field, safety risks are small, the comprehensive cost is saved by 30%, the construction, installation, production and processing work efficiency is improved by three times, and the gutter maintenance cost is reduced by 80%.
Owner:JANGHO GRP
V-shaped foldable handle
The invention provides a V-shaped foldable handle, which comprises a handle base, a left component, a right component, a left handle, a right handle, a left quick dismounting part, a right quick dismounting part, a leaning sheet, a pressing box, a bolt with a handle and an internal stretching tube, wherein the handle base is in the shape of a cat head; the left component and the right component pass through the eyes of the cat of the handle base; the left handle and the right handle are connected at the upper ends of the left component and the right component; the pressing box is rotatably connected to the right component; the bolt with the handle is connected to the right component; the bolt with the handle is spirally pinched, therefore, the pressing box is downwards pressed to interlock the left component and the right component; the left quick dismounting part and the right quick dismounting part are arranged on the eyes of the cat of the handle base and can lock the left component and the right component which pass through the eyes of the handle base; the leaning sheet is connected to the upper end of the handle base to be served as the leaning part of the interlocked left component and the right component.
Owner:安徽创意达技术转移服务有限公司
Power distribution box and hinge thereof
PendingCN107916853AEasy to installEasy to processSubstation/switching arrangement detailsWing accessoriesEngineeringStructural engineering
The invention discloses a hinge. The hinge comprises a hinge base, a square steel rotating shaft and hinge pins. The hinge base comprises a bent plate. The bent plate is provided with a first verticalplate and a second vertical plate, and the first vertical plate and the second vertical plate form a bending corner. The first vertical plate is provided with a containing opening used for containingthe square steel rotating shaft, and the upper end and the lower end of the first vertical plate are provided with lugs. Any lug forms an installation hole used for installing the corresponding hingepin in the vertical direction. The square steel rotating shaft comprises a rotating shaft body, and the upper end and the lower end of the rotating shaft body are provided with hinge shaft holes. After the hinge shaft hole located in the upper end aligns to the installation hole located in the upper end and the hinge shaft hole located in the lower end aligns to the installation hole located in the lower end, the square steel rotating shaft can be installed to the lugs through the hinge pins, so that the square steel rotating shaft can rotate relative to the lugs. The invention further discloses a power distribution box body comprising the hinge. According to the hinge, welding is not needed, the bearing load of the square steel rotating shaft is high, machining is easy, installation is convenient, the hinge is not affected by the material thickness, spraying or other factors, and the cost is low.
Owner:CHONGQING JINHUA ELECTRIC COMPLETE
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