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36results about How to "Improve compression stability" patented technology

Composite core-shell particles

The invention relates to composite core-shell particles wherein the core is a porous, carbon-based matrix which contains silicon particles enclosed in pores of the matrix; the pores containing the silicon particles have a diameter of not less than 60 nm as determined by scanning electron microscopy (SEM); the shell can be obtained by carbonizing one or more carbon precursors selected from among the group comprising tars, pitches, hard carbon, soft carbon and hydrocarbons having 1 to 20 carbon atoms, resulting in a non-porous shell.
Owner:WACKER CHEM GMBH

Thermo-mechanical coupling loading method for thermal strength tests

The invention provides a thermo-mechanical coupling loading method for thermal strength tests, which can be used for achieving high temperature and large temperature rise rate and simulating unequally distributed loads. The technical scheme is as follows: the method comprises the following steps: arranging a quartz burner in front of a test piece loading area, wherein a gap is formed between the quartz burner and the test piece loading area, and a gap area is reserved in the arrangement area of the quartz burner; hinging a loading block at the front end of a mandril, wherein the loading block penetrates through the gap area of the arrangement area of the quartz burner and props against the surface of the test piece loading area; heating the test piece loading area via thermal radiation by using the quartz burner; and loading mechanical load on the test piece loading area by using the loading block.
Owner:CHINA AIRPLANT STRENGTH RES INST

Steel box beam orthotropic deck slab

The invention discloses a steel box beam orthotropic deck slab. The steel box beam orthotropic deck slab comprises an upper top plate, a corrugated steel plate and a lower top plate which are sequentially connected from top to bottom. The corrugated direction of the corrugated steel plate is consistent with the transverse bridge direction. The corrugated steel plate is composed of crest surfaces, trough surfaces and inclined planes connected with the crest surfaces and the trough surfaces, wherein the crest surfaces, the trough surfaces and the inclined planes are staggered in the transverse bridge direction. Included angles of the inclined planes and the crest surfaces and included angles of the inclined planes and the trough surfaces are not 90 degrees, and the corrugated cross section of the corrugated steel plate is a plurality of continuously arranged trapezoids. The corrugated steel plate is utilized to serve as a longitudinal stiffening rib of a steel box beam deck top plate, the orthotropic slab formed by the upper top plate, the lower top plate and the middle layer corrugated steel plate is similar to a parallel chord truss with an inclined web member in the transverse bridge direction, pressure resistance stability and transverse flexural rigidity of the deck slab are improved, and excessive local deformation under the effect of a concentrated wheel load is effectively avoided. According to the steel box beam orthotropic deck slab, a traditional welding mode is abandoned, bolting is adopted completely, and the problem of fatigue cracking of welding cracks can be solved thoroughly.
Owner:SOUTHEAST UNIV

Garbage treatment device

The invention discloses a garbage treatment device. The garbage treatment device comprises a stand, a compression device and a bracket; the bracket comprises support columns equally arranged front and back, and a beam column fixed between the tops of the support columns; the stand is arranged between the bottoms of the support columns below the beam column; a first chute for extending front and back is formed in the bottom surface of the beam column; a first spiral rod for extending front and back is arranged in the first chute, and is spirally matched and connected with a first slide block; the bottom of the first slide block is fixedly connected with the top end of the compression device; a conduction cavity is formed in the compression device; an opening cavity communicates with the bottom of the conduction cavity; and a turntable is arranged on the back side wall of the compression device. The garbage compression device is simple in structure, reasonable in design and low in manufacturing and maintenance costs, can realize zoned garbage compression to achieve convenient to operate, can realize automatic extension compression to achieve excellent compression effect, and can realize automatic garbage fixation to improve the compression stability.
Owner:TONGLING JINSHIDAI TECH CO LTD

Garbage compression treatment device

The invention discloses a garbage compression treatment device. The garbage compression treatment device comprises a stand, a compression device and a bracket; the bracket comprises support columns equally arranged front and back, and a beam column fixed between the tops of the support columns; the stand is arranged between the bottoms of the support columns below the beam column; a first chute for extending front and back is formed in the bottom surface of the beam column; a first spiral rod for extending front and back is arranged in the first chute, and is spirally matched and connected with a first slide block; the bottom of the first slide block is fixedly connected with the top end of the compression device; a conduction cavity is formed in the compression device; an opening cavity communicates with the bottom of the conduction cavity; and a turntable is arranged on the back side wall of the compression device. The garbage compression treatment device is simple in structure, reasonable in design and low in manufacturing and maintenance costs, can realize zoned garbage compression to achieve convenient to operate, can realize automatic extension compression to achieve excellent compression effect, and can realize automatic garbage fixation to improve the compression stability.
Owner:温岭市兴庆机械设备有限公司

Frost-resistant concrete and preparation method thereof

The invention relates to frost-resistant concrete and a preparation method thereof, and belongs to the technical field of concrete. The adopted technical scheme is that the frost-resistant concrete isprepared from the following components in parts by weight: 295 to 320 parts of cement, 945 to 970 parts of gravels, 880 to 915 parts of modified pottery sand, 165 to 180 parts of silicon micro powder, 225 to 245 parts of coal ash, 75 to 90 parts of slag powder, 0.3 to 1.5 parts of an air entraining agent, 9 to 14.5 parts of a water reducing agent and 165 to 195 parts of water. The formula of thefrost-resistant concrete is simple, high in frost-resistant durability and suitable for being applied to various engineering projects in alpine areas.
Owner:深圳市东大洋建材有限公司

Prefabricated assembly type double-steel pipe concrete shear wall and assembly method thereof

ActiveCN107060140ARedundant elastic-plastic deformation ability is goodRedundant elastoplastic deformation ability fully utilizedWallsBuilding material handlingHigh strength concreteRelative motion
The invention discloses a prefabricated assembly type double-steel pipe concrete shear wall and an assembly method thereof. The double-steel pipe concrete shear wall comprises outer steel pipes buried in the concrete wall and a steel bar net buried inside the concrete wall and formed by interweaving of knot pulling steel bars, vertically-distributed steel bars and horizontally-distributed steel bars; the upper and lower ends of the outer steel pipes partially extend out of the upper portion and the lower portion of the concrete wall; inner steel pipes are sleeved with the outer steel pipes; the inner steel pipes are filled with high-strength concrete columns; and the parts, extending out of the concrete wall, of the outer steel pipes and the inner steel pipes are radially penetrated through and fixed through transverse bolts to prevent axial and circumferential relative motion between the parts, extending out of the concrete wall, of the outer steel pipes and the inner steel pipes. The double-steel pipe concrete shear wall has the advantages of being quick and reliable in vertical connection, simple in construction technology, high in horizontal shear resistance bearing capacity, good in integrity, high in out-plane stability, good in seismic performance and short in construction period, and most components can be subjected to standardized production.
Owner:SOUTH CHINA UNIV OF TECH

Sandwich structure of corrugated square tube core body and preparation method thereof

ActiveCN106827713AImprove flow and heat transfer characteristicsImprove compression stabilityMetal layered productsAviationStraight tube
The invention discloses a sandwich structure of a corrugated square tube core body and a preparation method thereof and relates to the technical field of compound structural materials. The sandwich structure of the corrugated square tube core body is composed of an upper panel, the corrugated square tube core body and a lower panel. According to the sandwich structure disclosed by the invention, a straight tube core body is replaced by the corrugated square tube core body. The mechanical characteristics such as specific strength and specific stiffness of the structure are further improved based on the straight tube core body structure and the coefficient of heat conduction of channel flowing based on a transition flow is increased by 50% or more, and meanwhile, as the contact area of the square tube core body and the upper and lower panels can be designed according to the demand of a shear property without processing a special welding platform on core body, the processing technology is simplified. The structure disclosed by the invention has high specific strength, high specific stiffness and excellent heat conduction characteristic, and has a wide application prospect in the fields of space flight and aviation, ships, automobiles, machinery and civil engineering, and in particular in a load-carrying structure with a heat conduction requirement.
Owner:重庆共邦实业(集团)有限公司

Standard knot of tower crane

The invention discloses a standard knot of a tower crane. The standard knot comprises a main chord (3), wherein the main chord (3) is in butt joint with at least four cross web members (1), the cross web members (1) are uniformly fixed on the main chord (3) to respectively form a closed frame, one end of a diagonal web member (2) in each frame is in lap-joint on the center of the cross web member (1), the other end of the diagonal web member (2) is in lap-joint to a joint of the cross web member (1) and the main chord (3) correspondingly, and two diagonal web members (2) are fixed to be splayed in each frame. Compared with the prior art, the standard knot of the tower crane, disclosed by the invention, has the advantages that a connecting form of the diagonal web member and the cross web members in the standard knot is optimized, the distance between connecting knots is greatly reduced, the stability of the standard knot is improved, and the integral performance of the tower crane is improved.
Owner:XUZHOU CONSTR MACHINERY

Core-shell composite particles for anode materials of lithium ion batteries

The invention relates to core-shell composite particles, the core being a porous, carbon-based matrix containing silicon particles and the shell being non-porous and being obtainable by the carbonization of one or more carbon precursors, the silicon particles having average particle sizes of 1 to 15 Mum.
Owner:WACKER CHEM GMBH

Stable cutting device for transformer insulating plate and using method thereof

The invention provides a stable cutting device for a transformer insulating plate and a using method thereof. The stable cutting device for the transformer insulating plate comprises a workbench, wherein supporting plates are symmetrically installed on the top of the workbench, a movable electric cylinder is installed on the supporting plates, a mounting base is installed on the movable electric cylinder, a first electric push rod is installed on the top of the mounting base, and a connecting plate is installed on a telescopic shaft of the first electric push rod. The right end face of the connecting plate is connected with a cutting motor, an output shaft of the cutting motor is connected with a cutting cutter, and a receding cutter groove is formed in the workbench. The stable cutting device for the transformer insulating plate is reasonable in structure, convenient to assemble and install, capable of achieving convenient and rapid cutting, high in fixing stability and capable of conveniently collecting chippings.
Owner:镇江市鑫泰绝缘材料有限公司

Linkage compression type pump body gas tightness detecting clamp

The invention relates to a linkage compression type pump body gas tightness detecting clamp. The linkage compression type pump body gas tightness detecting clamp comprises a baseplate, wherein a detecting air cylinder is fixed on the rear side of the baseplate; a horizontal baffle is arranged at the middle part of the baseplate; a longitudinal round hole is formed in the middle of the baffle; a pump body is communicated in the round hole; a compressing air cylinder is fixed on the front side of the baseplate; a left linkage compressing device and a right linkage compressing device are arranged in the middle of the baseplate and are symmetrically arranged on the left side and the right side of the axis of the compressing air cylinder. According to the invention, the linkage compression type is adopted, so that the number of the air cylinder is reduced, the production cost is reduced, and the convenience for detection is increased; the synchronism of devices on the compression of the pump body is improved, the pump body offset phenomenon caused due to the pump body compressed by a plurality of independent air cylinders respectively can be avoided, the pump body don't need to be adjusted and calibrated by the detecting air cylinder, and the detection efficiency and the production efficiency can be improved.
Owner:NANJING CF AUTO PARTS CO LTD

A garbage disposal device

The invention discloses a garbage treatment device. The garbage treatment device comprises a stand, a compression device and a bracket; the bracket comprises support columns equally arranged front and back, and a beam column fixed between the tops of the support columns; the stand is arranged between the bottoms of the support columns below the beam column; a first chute for extending front and back is formed in the bottom surface of the beam column; a first spiral rod for extending front and back is arranged in the first chute, and is spirally matched and connected with a first slide block; the bottom of the first slide block is fixedly connected with the top end of the compression device; a conduction cavity is formed in the compression device; an opening cavity communicates with the bottom of the conduction cavity; and a turntable is arranged on the back side wall of the compression device. The garbage compression device is simple in structure, reasonable in design and low in manufacturing and maintenance costs, can realize zoned garbage compression to achieve convenient to operate, can realize automatic extension compression to achieve excellent compression effect, and can realize automatic garbage fixation to improve the compression stability.
Owner:TONGLING JINSHIDAI TECH CO LTD

Method and system for supervising whole process of harmless collection, storage and transportation of livestock and poultry died of diseases

PendingCN114862359AConvenient supervision and traceabilityImprove regulatory effectCo-operative working arrangementsUsing optical meansLivestockAnimal science
The invention discloses a harmless collection, storage and transportation whole-process supervision method and supervision system for livestock and poultry died of illness, and the supervision method comprises the following steps: carrying out the size measurement and weighing of each livestock and poultry died of illness, and then collecting the data obtained through measurement; the livestock and poultry died of illness are placed into a hazardous waste turnover box after measurement is completed, and meanwhile collected information of the livestock and poultry died of illness is input into the hazardous waste turnover box in real time; the hazardous waste turnover box is placed in the refrigeration house after being full, and information of livestock and poultry died of illness in the hazardous waste turnover box is input into the refrigeration house; when the inventory of the refrigeration house reaches the upper limit, the hazardous waste turnover boxes are transferred to a disposal site through a transfer trolley, then the hazardous waste turnover boxes are unpacked, and the livestock and poultry died of diseases in the hazardous waste turnover boxes are treated in a centralized mode; and after unpacking is completed, the transfer trolley conveys the vacant hazardous waste turnover box into a disinfection workshop for disinfection. The method can effectively reduce the workload of weighing dead livestock and poultry for a long time, and has the characteristics of high processing efficiency, convenience in supervision and traceability, and low health risk and environmental pollution risk.
Owner:湖州威能环境服务有限公司

Assembling, welding and pressing jig for 5G communication mobile phone antenna FPC

The invention relates to the technical field of mobile phone antennas, in particular to an assembling, welding and pressing jig for a 5G communication mobile phone antenna FPC. The assembling, welding and pressing jig for the 5G communication mobile phone antenna FPC comprises a fixture base and a fixture gland; positioning holes are formed in the corners of the upper surface of the fixture base; a plurality of limiting grooves are evenly formed in the upper surface of the fixture base; PCB boards and FPC boards are placed in the limiting grooves respectively; clamping grooves are correspondingly formed in the upper surface of the fixture base and located between the limiting grooves; positioning columns are correspondingly arranged at the corners of the bottom of the fixture gland; a plurality of PIN ejector pins are evenly arranged in the positions, corresponding to the limiting grooves, at the bottom of the fixture gland; automatic rotary knobs are arranged in the positions, corresponding to the clamping grooves, at the bottom of the fixture gland; the tops of the automatic rotary knobs penetrate through the bottom of the fixture gland and extend to the positions above the fixture gland. According to the assembling, welding and pressing jig for the 5G communication mobile phone antenna FPC, through the design, the overall convenience, stability and practicability of welding of the PCB boards and the FPC boards can be improved.
Owner:昆山信方达电子有限公司

Guide device of compression type garbage transfer station

The invention discloses a guide device of a compression type garbage transfer station. The device comprises a pressure head, a garbage compression box and a first telescopic cylinder, wherein the pressure head is positioned above the garbage compression box; and the top of the garbage compression box is provided with an opening allowing the pressing head to be pressed in. Supporting columns are arranged at the four corners of the garbage compression box correspondingly. A first rail is arranged on the inner side of each supporting column; a pressure head guide sliding block connected with thepressure head is slidably connected into the first rail; a first height detection sensor is arranged at the upper end of the inner side of each first rail; the lower end of the first telescopic cylinder is connected with the upper end of the pressure head; electric telescopic push rods parallel to the axis of the first telescopic cylinder are arranged at four corners of the lower end surface of the oil cylinder structure; and telescopic ends of the electric telescopic push rods point to the pressure head. Guiding is smooth, it is ensured that the acting force of the pressure head is stably applied to garbage blocks, the compression stability is improved, the compaction density of the garbage blocks is improved, and the garbage transportation cost is reduced.
Owner:LIXIN JIANGHUAI YANGTIAN AUTOMOBILE

A device for compressing garbage

The invention discloses a garbage compression treatment device. The garbage compression treatment device comprises a stand, a compression device and a bracket; the bracket comprises support columns equally arranged front and back, and a beam column fixed between the tops of the support columns; the stand is arranged between the bottoms of the support columns below the beam column; a first chute for extending front and back is formed in the bottom surface of the beam column; a first spiral rod for extending front and back is arranged in the first chute, and is spirally matched and connected with a first slide block; the bottom of the first slide block is fixedly connected with the top end of the compression device; a conduction cavity is formed in the compression device; an opening cavity communicates with the bottom of the conduction cavity; and a turntable is arranged on the back side wall of the compression device. The garbage compression treatment device is simple in structure, reasonable in design and low in manufacturing and maintenance costs, can realize zoned garbage compression to achieve convenient to operate, can realize automatic extension compression to achieve excellent compression effect, and can realize automatic garbage fixation to improve the compression stability.
Owner:温岭市兴庆机械设备有限公司

Stable solution method for realizing multipath video input by single PC

The invention discloses a stable solution method for realizing multipath video input by a single PC. The stable solution method disclosed by the invention comprises the following steps: step 1, a main process of an application program creates a command line parameter for starting a capture process, wherein the contents of the command line parameter comprise a window handle of the main process for inter-process communication, an identification serial number of the capture process, and a camera serial number to be captured, and then starting the capture process through the command line parameter; step 2, analyzing the window handle of the main process for inter-process communication, the identification serial number of the capture process and the camera serial number to be captured from the command line parameter, and then calling a capture function provided by a DirectShow framework of the Windows to start the capture; and step 3, combining the captured data with the identification serial number of the capture process, sending the same to the window handle transmitted by the command line parameter through SendMessage, receiving the window handle by the main process and carrying out subsequent processing. According to the stable solution method disclosed by the invention, the multi-process technology is adopted to simplify the collection process and improve the compression stability.
Owner:ZHEJIANG WANPENG EDUCATION TECH CO LTD

Roof photovoltaic panel support

The invention relates to a roof photovoltaic panel support, and the support comprises a guide rail, wherein the guide rail comprises a guide rail base, a front side plate and a rear side plate, the front side plate and the rear side plate are fixedly connected to the two sides of the guide rail base, corresponding buckling grooves are formed in the two sides of the guide rail base in an inward concave mode respectively, and a corresponding mounting groove is formed between the top of the front side plate and the top of the rear side plate; a guide rail installation mechanism which comprises an installation seat plate, wherein a fixed clamping block is fixedly arranged on the installation seat plate, a movable clamping block is movably installed in an assembly groove of the fixed clamping block, and the top of the fixed clamping block and the top of the movable clamping block are provided with buckling protruding edges used for being buckled into the buckling grooves respectively; and a photovoltaic panel pressing mechanism which comprises a guide rail clamping block fixedly arranged in the mounting groove, wherein a photovoltaic panel pressing block used for pressing the photovoltaic panel is arranged on the upper side of the guide rail clamping block, and a corresponding pressing screw rod is installed in a communicating hole of the photovoltaic panel pressing block in a penetrating mode. According to the invention, the installation efficiency can be effectively improved, and the installation stability of the photovoltaic panel can be effectively ensured.
Owner:厦门华谱科技有限公司

Zip-top can compression recycling and automatic coin discharging device

The invention relates to a zip-top can compression recycling and automatic coin discharging device which comprises a box body, a rotating device, a flange coupling, a pressing rod, a perforated channel steel support, a coin discharging device and a box body bottom plate with the adjustable inclination. The rotating device is fixed to a disc through six cylinders which are completely symmetrical, the rotating device is similar to a rudder in shape, and the pressing rod takes a plunger, deviating from the axis, of the plunger pump to do reciprocating motion and makes sliding contact with a rotating inclined plane with the circle center passing through the axis, so that the pressing rod is pushed to do linear motion. The perforated channel steel bracket is used for fixing the compression mechanism rotating shaft and the compression rod to be in a parallel state; the coin outlet device is composed of a compression-limiting mechanism, a deflector rod and a reset spring. The zip-top can compressing, recycling and coin discharging device is attractive, environmentally friendly and high in interestingness, the public can conveniently and easily achieve the compressing function through the rotating device, the compressed zip-top cans can be conveniently collected through the inclined plate at the bottom of the box, and the environment protection awareness of the public is more stimulated through coin discharging setting.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

A device for fixing wind tunnel wedges

ActiveCN106153287BFirmly restrict movementRestricted movementAerodynamic testingInstabilityEngineering
The invention relates to a device for fixing a wind tunnel wedge, which belongs to a wind tunnel simulation device and method. The device includes a detachable base, a metal cap, a screw, a nut, a rubber pad and a wedge vertical shaft; the detachable base is a metal plate with a T-shaped groove, which is set at the bottom of the wedge vertical shaft, and the T-shaped groove A layer of rubber cushion is adhered to the bottom of the inner and metal plate; a layer of rubber cushion is adhered to the top of the metal cap; one end of the vertical shaft of the wedge is fixed in the T-shaped groove, and the other end is connected to a screw rod, which is covered by the metal cap Inside; by rotating the nut on the screw rod, the metal cap fastened on the upper part of the screw rod is pushed to move upward, so that it is pressed against the top of the wind tunnel to fix the wedge. The groove of the base of the invention constrains the local deformation and instability of the wedge, the base increases the contact area between the bottom of the wedge and the bottom surface of the wind tunnel, and increases the stability of the wedge; the multi-layer rubber cushion makes the wedge and the top and bottom plates of the wind tunnel The contact is more uniform, which increases the anti-skid ability between the two, and makes the fixing of the wedge more reliable.
Owner:DALIAN UNIV OF TECH

A kind of frost-resistant concrete and preparation method thereof

The invention relates to frost-resistant concrete and a preparation method thereof, and belongs to the technical field of concrete. The adopted technical scheme is that the frost-resistant concrete isprepared from the following components in parts by weight: 295 to 320 parts of cement, 945 to 970 parts of gravels, 880 to 915 parts of modified pottery sand, 165 to 180 parts of silicon micro powder, 225 to 245 parts of coal ash, 75 to 90 parts of slag powder, 0.3 to 1.5 parts of an air entraining agent, 9 to 14.5 parts of a water reducing agent and 165 to 195 parts of water. The formula of thefrost-resistant concrete is simple, high in frost-resistant durability and suitable for being applied to various engineering projects in alpine areas.
Owner:深圳市东大洋建材有限公司

Floating type water level alarm device for hydropower station

The invention discloses a floating type water level alarm device for a hydropower station. The device comprises a measuring frame body (1) fixed on a river levee, a liftable floating assembly (4) is arranged on the surface of the measuring frame body (1); a sealed cavity is formed in the measuring frame body (1); a plurality of water level alarm switches (2) are distributed in the sealed cavity atintervals; a swing rod assembly (3) rotationally connected with the sealed cavity is arranged at one side of the water level alarm switch (2), one end of the swing rod assembly (3) makes contact withthe water level alarm switch (2), the end of the swing rod assembly (3) extends to the outer side of the sealed cavity and makes contact with the floating assembly (4), and the swing rod assembly (3)and the measuring frame body (1) are connected through a sealing assembly (5). The device has the characteristics that the monitoring stability is high, and the alarm is not easy to damage.
Owner:STATE GRID CORP OF CHINA +2

Construction method of structural combined ice column with bamboo framework

ActiveCN113863503AAvoid brittle failureDoes not lead to construction errorsStrutsPillarsLiquid waterAgricultural engineering
The invention discloses a construction method of a structural combined ice column with a bamboo framework. The construction method comprises the following steps: designing and processing each plate sheet of a timber formwork; forming filling holes in the same side of each bamboo joint section of the hollow bamboo wood; transporting the hollow bamboo wood to a required position of the polar region; pouring liquid water into the bamboo joints from each filling hole; after the water is solidified to form an ice body, symmetrically arranging the hollow bamboo wood to form a circle; bending a long bamboo chip, and hooping the long bamboo chip onto the outer side of the symmetrically arranged bamboo wood; binding with binding wires to form the bamboo framework; transversely inserting one end of a prefabricated steel nail body into the ice body in the hollow bamboo wood from the outer wall of the hollow bamboo wood; transversely inserting one end of the prefabricated steel nail body into the ice body in the hollow bamboo wood from the outer surface of the long bamboo chip along the long edge direction of the long bamboo chip; and assembling the timber formwork on site, placing the bamboo framework in the assembled timber formwork, adding the liquid water into the timber formwork, and after the ice column main body is formed, removing the timber formwork. Local materials can be used and can be recycled, and therefore, environmental pollution to the polar region environment is avoided.
Owner:TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD

A linkage compression type pump body air tightness testing fixture

The invention relates to a linkage compression type pump body gas tightness detecting clamp. The linkage compression type pump body gas tightness detecting clamp comprises a baseplate, wherein a detecting air cylinder is fixed on the rear side of the baseplate; a horizontal baffle is arranged at the middle part of the baseplate; a longitudinal round hole is formed in the middle of the baffle; a pump body is communicated in the round hole; a compressing air cylinder is fixed on the front side of the baseplate; a left linkage compressing device and a right linkage compressing device are arranged in the middle of the baseplate and are symmetrically arranged on the left side and the right side of the axis of the compressing air cylinder. According to the invention, the linkage compression type is adopted, so that the number of the air cylinder is reduced, the production cost is reduced, and the convenience for detection is increased; the synchronism of devices on the compression of the pump body is improved, the pump body offset phenomenon caused due to the pump body compressed by a plurality of independent air cylinders respectively can be avoided, the pump body don't need to be adjusted and calibrated by the detecting air cylinder, and the detection efficiency and the production efficiency can be improved.
Owner:NANJING CF AUTO PARTS CO LTD

Interphase spacer and configuration method for suppressing deicing jump of double-circuit transmission lines

The present invention discloses a phase to phase spacer of restraining double loop power transmission line sleet jump and a configuration method thereof. The phase to phase spacer is composed of a vibration absorption device, a first connecting device and a second connecting device, the vibration absorption device is connected with two power transmission lines separately via the first and second connecting devices, and the first connecting device is composed of a hanging plate, an insulator and a hydraulic damper of which the length can be adjusted. One end of the insulator is connected with the vibration absorption device via the hydraulic damper, and the other end is connected with the power transmission line via the hanging plate. The configuration method comprises the steps of setting the length and adjustment range of the phase to phase spacer, selecting the number and type of absorption oscillators, setting the installation position and number of the phase to phase spacer, etc. The phase to phase spacer can adjust the length adaptively, and enables the shape change of a conducting wire and the load at the connection position of the spacer and the conducting wire to be reduced and the line service life to be improved. By a hollow structure, and under the premise of not increasing the weight, the slenderness ratio of the spacer is reduced as much as possible, and the anti-compression stability of the spacer is improved.
Owner:GUIZHOU ELECTRIC POWER DESIGN INST +3

Lower notch angle compensation device for bending machine and implementation method of lower notch angle compensation device

The invention discloses a lower notch angle compensation device for a bending machine and an implementation method of the lower notch angle compensation device, and belongs to the technical field of notch angle compensation. The problem that the notch angle of the bending machine cannot be adjusted is solved. The lower notch angle compensation device comprises an angle compensation mechanism, a lower mold, an adjusting mechanism and a moving base, the adjusting mechanism is arranged at the upper end of the moving base, the adjusting mechanism is connected with the angle compensation mechanism, and the angle compensation mechanism is connected with the lower mold; and the angle compensation mechanism comprises a panel, a middle shaft, a U-shaped support and a hydraulic cylinder, the lower end of the panel is fixedly connected with the middle shaft, the middle of the lower end of the U-shaped support is rotationally connected with the middle shaft, and the upper end of the U-shaped support is connected with the panel through the hydraulic cylinder. The angle of a bending groove is adjusted through stretching and retracting of the hydraulic cylinder, the complexity of replacing the bending groove is reduced, and the bending efficiency is improved.
Owner:ANHUI YAWEI MACHINE TOOL MFG

Composite soft magnetic material and preparation method thereof

The invention discloses a composite soft magnetic material and a preparation method thereof, which relate to the technical field of composite soft magnetic materials. Metal magnetic powder and a low-melting-point insulating material are mixed to prepare a powder core, the powder core is placed in a vacuum furnace or an atmosphere protection furnace, and heat treatment is performed at 200-700 DEG Cfor 5 minutes to 5 hours to obtain a composite soft magnetic material finished product. The insulating material disclosed by the invention plays a role in insulation and as an adhesive, so that morematerials are saved, the manufacturing process is simpler, and the compounded material is higher in compressive stability.
Owner:ANHUI UNIVERSITY

Flexible plate pressing mechanism and plate clamping and positioning tool

The invention discloses a flexible plate pressing mechanism and a plate clamping and positioning tool. The flexible plate pressing mechanism comprises a plate pressing base and at least two plate pressing assemblies, wherein a positioning sleeve is arranged on the plate pressing base, each plate pressing assembly comprises a pressing plate and an elastic plate, each elastic plate is of an arch-shaped structure, the two ends of each elastic plate act on the corresponding pressing plate, the pressing plates are installed on the positioning sleeve through connecting structures, the plate clamping and positioning tool comprises a positioning plate, a pressing plate supporting plate, an upper pulling plate and a lower pulling plate and further comprises a flexible plate pressing mechanism, the flexible plate pressing mechanism is installed on the pressing plate supporting plate through an adjusting lead screw, and a plate containing cavity is formed among the positioning plate, the upper pulling plate, the lower pulling plate and the pressing plate. The flexible plate pressing mechanism and plate clamping and the positioning tool are simple and compact in structure and convenient to operate, the position of the pressing plate is adjusted by adjusting the adjusting lead screw, the pressing plate can be completely attached to a plate, the contact area of the pressing plate and the plate is increased, the plate is evenly stressed, and stable pressing of the plate, especially the plate with the bending radian, can be achieved.
Owner:博海威玛(烟台)机械有限公司

A vertical compression garbage transfer station

The invention discloses a vertical compression type rubbish transfer station. The vertical compression type rubbish transfer station comprises a pressing head, a rubbish compression tank and an oil cylinder mechanism. Stand columns are symmetrically disposed on the two sides of the rubbish compression tank; the upper end of the oil cylinder mechanism is connected to cross beams at the tops of the stand columns; the lower end of the oil cylinder mechanism is connected with the pressing head; pressing head positioning and guiding blocks are disposed on the pressing head; tank guiding blocks are disposed on the rubbish compression tank; the pressing head positioning and guiding blocks and the tank guiding blocks are attached to the stand columns and vertically slide and guide with the stand columns as guide ways; tank lifting rings are disposed at the top of the rubbish compression tank; a retractable bolt mechanism is disposed on the pressing head, and bolts extend out of the retractable bolt mechanism to be inserted into the tank lifting rings so as to connect the pressing head with the rubbish compression tank. Lifting and compression are achieved respectively through different oil cylinders; the traveling distance of the oil cylinders is short, the acting force is stable, guiding is smooth, and it is guaranteed that the acting force of the pressing head is stably exerted on rubbish lumps; the compression stability is improved; the compression density of the rubbish lumps is increased; the rubbish transportation cost is reduced.
Owner:SICHUAN HONGJIANG MEIXIN ENVIRONMENTAL SANITATION SCI & TECH CO LTD
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