Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

38results about How to "Elastic stability" patented technology

Smooth and high-elastic waterproof fabric

ActiveCN222590903Uelastic stabilityPolymer scienceSpinning
The utility model provides a smooth and high-elastic waterproof fabric. The smooth and high-elastic waterproof fabric comprises a water-repellent smooth layer, a plain weave fabric layer, an adhesive layer and a waterproof and moisture-permeable polyurethane film layer which are sequentially compounded, the water-repellent smooth layer is an organic silica film layer; the plain weave fabric layer is of an organization structure formed by interweaving warp yarn and weft yarn in a one-up and one-down mode, the warp yarn and the weft yarn are elastic polyester composite yarn, and the elastic polyester composite yarn is formed by conducting parallel composite spinning on first polyester yarn and second polyester yarn. The first polyester yarn and the second polyester yarn are respectively 20-25D / 24F polyester fully drawn yarns, and the shrinkage rates of the first polyester yarn and the second polyester yarn are different. The waterproof fabric has elasticity similar to that of spandex, the elasticity is stable, the risk of'white exposure 'of conventional spandex fabric is overcome, and the waterproof fabric is waterproof, moisture permeable and good in surface hand feeling smoothness.
Owner:ANTA (CHINA) CO LTD

Semiconductor flat-plate bin automatic insertion structure

The application discloses a semiconductor flat-plate warehouse inserting and taking structure, which comprises an inserting and taking connecting frame, an inserting and taking arm and a self-adapting locking mechanism arranged on the inserting and taking arm. The self-adapting locking mechanism mainly comprises a straight-line transmission rod, a scissor type lifting amplification mechanism, a limiting pressing plate and a guiding reset unit. The core of the application is that the self-weight load generated during the inserting and taking of the flat-plate warehouse is used as a driving force. When the inserting and taking arm supports the flat-plate warehouse, the weight presses the straight-line transmission rod, forces the scissor type lifting mechanism to expand and drives the limiting pressing plate to stably move downwards, so that the positioning pin on the limiting pressing plate is inserted into the pin hole of the flat-plate warehouse, automatic locking and positioning are realized. After unloading, the mechanism is automatically reset under the action of the reset spring. The application does not need external power, realizes "inserting and taking to locking", can effectively inhibit the inertial swing and vibration during the carrying process, prevents the wafers in the warehouse from being damaged due to knocking and has the advantages of simple structure, reliability, safety and high positioning precision.
Owner:WEISHI ADVANCED INTELLIGENT TECH (SUZHOU) CO LTD

Elastic double-filament core-spun yarn fabric and production method thereof

The invention discloses an elastic double-filament core-spun yarn fabric and a production method thereof, and belongs to the technical field of textiles. According to the elastic double-filament core-spun yarn fabric, pure cotton siro-spun yarns are selected as warps A, slub yarns are selected as warps B, and elastic double core-spun yarns are selected as wefts. In addition, the invention further provides a production method of the elastic double-filament core-spun yarn fabric, and the elastic double-filament core-spun yarn fabric is obtained through a warping process, a slashing process, a denting process and a weaving process in sequence. In the sizing process, warp beams of two kinds of warp yarns, namely warp yarns A C36.4 tex and warp yarns B C41.6 tex bamboo, are simultaneously adjusted on a beam creel, and the warp yarns A separated from one beam for common warping are combined with the warp yarns A on other beams. The tensile strength of the double-core-spun fabric is remarkably improved, meanwhile, the double-core-spun fabric has the characteristic of rapid moisture absorption, and the common problems of elasticity weakening and shape deformation of traditional cotton core-spun elastic fabric are effectively solved.
Owner:JIHUA 3509 TEXTILE

Novel torsion spring structure brake elastic piece

ActiveCN222310278USimple structureelastic stabilityCastorsBrakeTorsion spring
The utility model discloses a novel torsion spring structure brake elastic piece which comprises a brake elastic piece body installed between a support and a trundle, a torsion spring is connected to the brake elastic piece body through a support rivet, and a reserved installation groove for installing the torsion spring is formed in the brake elastic piece body. One end of the torsion spring is a fixed end clamped at the tail end of the reserved mounting groove of the brake elastic piece, the other end of the torsion spring is a stressed end pressed by the support, a shaft hole is formed in the brake elastic piece and the reserved mounting groove in the vertical direction, and the torsion spring is arranged on a support rivet sequentially penetrating through the support and the shaft hole in a sleeving mode. The utility model belongs to the technical field of trundle elastic sheets, particularly relates to a novel brake elastic sheet with a torsion spring structure, and effectively solves the technical problems that an elastic sheet tongue in the prior art is easy to deform due to compression during transportation or during furnace heat treatment, the deformation degree of the elastic sheet tongue is accumulatively increased due to deformation after heat treatment, and the problem of abnormal trundle brake occurs occasionally. And the brake elastic sheet is a novel brake elastic sheet with a torsion spring structure, and the production efficiency of a product is also reduced due to frequent correction and repair of the brake elastic sheet.
Owner:ZHONGSHAN SUPO CASTER MFG

Automobile electronic door lock elastic piece

ActiveCN222649724Uunder pressureStable reboundElectrical locking circuitsStructural engineeringLever pressing
The utility model discloses an automobile electronic door lock elastic piece which comprises a main plate, the front end of the main plate is arranged to be of a trapezoidal structure, the automobile electronic door lock elastic piece further comprises an open groove, the open groove is formed in the upper surface of the main plate, the main plate is connected with a stable springback structure, and the stable springback structure can be limited through a side wing plate while being matched with an arc-shaped hook to springback through a springback plate. The stable springback structure further comprises a side wing plate, the side wing plate is fixedly installed on the side surface of the main plate, two springback plates are installed at the front end of the main plate, a protruding block is arranged between the two springback plates, the protruding block is fixedly installed at the front end of the main plate, each springback plate is of an inclined structure, and an empty groove is formed between the springback plates. The automobile electronic door lock elastic piece is provided with the stable springback structure, springback is more stable by pushing the springback plate and the side wing plate for limiting through the main plate, the automobile electronic door lock elastic piece is further provided with the buffering structure, the sliding block can be driven by the pressing plate to move, and the spring is extruded through the pressing rod for buffering.
Owner:YTOP ELECTRONICS TECH (KUNSHAN) CO LTD

A multi-pipe synchronous grouting device capable of sectional hole sealing and a construction method thereof

PendingCN122687902Avolume stabilityelastic stability
The application discloses a kind of segmented hole sealing multi-tube synchronous grouting device and construction method, belong to grouting equipment technical field, including multiple grouting pipes, multiple segmented covers, multiple segmented membrane bags and multiple pressure valves;Multiple segmented covers are set on multiple grouting pipes according to preset grouting section distance interval along grouting pipe length direction;Each grouting pipe includes inlet section pipe body and outlet section pipe body, inlet section pipe body is provided with membrane bag inlet, outlet section pipe body is provided with grouting port, and the membrane bag inlet and grouting port of each grouting pipe are set according to preset grouting section distance interval;Each segmented membrane bag is located at adjacent grouting section boundary and wraps corresponding membrane bag inlet;Each pressure valve is installed inside grouting pipe and located in the pipe section covered by segmented membrane bag, and the pressure valve is configured to: when the pressure of liquid in the pipe is less than the set threshold, it is closed, and it is opened and kept irreversible opening after exceeding the threshold.The application realizes reliable segmented hole sealing, prevents grouting and multi-tube synchronous grouting, improves construction efficiency and grouting quality.
Owner:SHANDONG UNIV +1

High-elasticity composite textile fabric and production process thereof

The invention provides a high-elasticity composite textile fabric and a production process thereof, and relates to the technical field of clothing fabrics. According to the high-elasticity composite textile fabric and the production process thereof, the high-elasticity composite textile fabric comprises two layers of surface fabric, an elastic layer is arranged between the two layers of surface fabric, the elastic layer and the surface fabric are connected through an adhesive, and the surface fabric comprises first yarn and second yarn. The first yarns comprise the following raw materials in percentage by weight: 40-70% of polyurethane fibers and 30-60% of polyether ester elastic fibers, and the second yarns comprise the following raw materials in percentage by weight: 45-80% of a polyolefin elastic fabric and 20-55% of a hard elastic fabric. The elastic layer is prepared from the following raw materials: polyacrylonitrile fibers, polypropylene fibers, strong fibers, real silk fibers and flax. The elastic layer is additionally arranged, so that clothes made of the composite textile fabric are comfortable in body feeling and easy to wear, have stable resilience and instant elastic restoring force and can play a role in local tightening, supporting and protecting.
Owner:SUZHOU SHENGXIAN TEXTILE TECH CO LTD

Composite material for high-elasticity rubber-plastic insulated cable and preparation method thereof

This invention relates to the field of polymer materials technology, and discloses a high-elasticity rubber-plastic insulated cable composite material and its preparation method. The high-elasticity rubber-plastic insulation material comprises, by weight, 40-50 parts of EPDM rubber, 20-25 parts of polyolefin elastomer, 30-35 parts of modified calcined kaolin, 3-5 parts of composite antioxidant, 2-3 parts of silane coupling agent, and 1.5-2 parts of vulcanizing agent. During preparation, EPDM rubber and polyolefin elastomer are kneaded for 5-8 minutes, then modified calcined kaolin and silane coupling agent are added and kneaded for another 8-12 minutes, followed by the addition of composite antioxidant and vulcanizing agent and kneading for 3-5 minutes. Finally, the mixture is vulcanized in stages. The first stage vulcanization temperature is 155-160℃, and the second stage vulcanization temperature is 165-170℃. The insulating material prepared by this invention has excellent elasticity, outstanding resistance to flexural fatigue, stable insulation performance, high volume resistivity, excellent aging resistance, and tight interfacial bonding. It is suitable for use in high-voltage cable insulation layers, effectively extending the service life and stability of the cable.
Owner:NINGBO YONGGUAN ELECTRIC APPLIANCE CO LTD

Preparation method of felt silica gel coating heat-resistant pad

PendingCN119610733Adimensionally stableelastic stabilityPolymer scienceSilica gel
The invention discloses a preparation method of a felt silica gel coating heat-resistant pad, which is characterized by comprising the following preparation steps: S1, reversely coating a base layer silica gel paste, and coating the base layer silica gel paste on a conveying belt; paving a felt on the base layer silica gel paste, and curing to obtain an inverted felt a coated with base layer silica gel; s3, the felt a coated with the base layer silica gel coats the base layer silica gel with a leveling silica gel layer; and after the inverted felt a coated with the base layer silica gel is overturned by 180 degrees, a leveling silica gel layer is coated. The device has the beneficial effects that the gluing frequency is reduced, the weight of the buffer cushion is reduced, and the operation efficiency is improved.
Owner:FORBO SIGREEN CONVEYING TECH (CHINA) CO LTD

Construction process of ground shielding layer for multi-condition simulation test platform of power transmission and transformation equipment

This invention discloses a ground shielding layer construction process for a multi-condition simulation test platform for power transmission and transformation equipment, belonging to the field of power transmission and transformation. The construction process is based on a ground shielding layer construction device, including a foundation and a steel mesh. A trench is excavated in the foundation, and the steel mesh is installed within the trench. A ground frame assembly is also included, located within the trench. The ground frame assembly includes a transition frame, a positioning structure, and a bottom frame. The bottom frame is located on the bottom wall of the trench, and the steel mesh is laid on the bottom frame. The transition frame is located on the inner side wall of the trench. The positioning structure is located at the connection between the transition frame and the bottom frame. The four sides of the steel mesh are embedded in the grooves on the four sides of the bottom frame, and the positioning structure is used to position the steel mesh. This invention has the advantage of using the positioning structure to embed the four sides of the ground shielding layer composed of multiple steel meshes into the grooves on the four sides of the bottom frame for rapid installation, avoiding multiple welding positioning points.
Owner:SCEGC MECHANIZED CONSTR GRP COMPANY

Stepped milling cutter for processing mobile phone shell

ActiveCN222608119UEasy to install independentlyEasy to disassembleMilling cuttersMilling cutterStructural engineering
The utility model belongs to the technical field of stepped milling cutters, particularly relates to a stepped milling cutter for processing a mobile phone shell, and aims to solve the problems that cutting edge parts are abraded after the milling cutter is used for a long time, the abraded cutting edge parts need to be replaced, and the cutting edge parts are fixed and integrated in sequence due to the fact that the cutting edge parts are connected in sequence. In order to solve the problem that the cost of a user is increased due to the fact that a first cutter rod is installed at the upper end of the first cutter handle, a cutter rod installation block is further fixed to the connecting position of the first cutter handle and the first cutter rod, and a first chip groove is formed in the upper portion of the first cutter rod. Blade limiting holes are evenly formed in the surface of one side of the first chip groove, a first blade, a second blade, a third blade and a fourth blade are installed outside the blade limiting holes respectively, and blade fixing holes are formed outside the first blade, the second blade, the third blade and the fourth blade. According to the utility model, the replacement efficiency and the processing efficiency are improved.
Owner:CHANGZHOU HAO RUI TOOLS

A kind of hard silicone foam and preparation method thereof

ActiveCN116426128Blow densityStable hardnessPolymer sciencePlatinum complex
The present invention relates to the technical field of foaming materials, and discloses a hard silicone foam, including liquid A material and B material; the mass ratio of the A material and the B material is 1:1; the liquid A material includes the following components by weight: 60-100 parts of methyl vinyl siloxane, 5-45 parts of reinforcing agent, and 0.05-3 parts of platinum complex; the liquid B material includes the following components by weight: 0.5-8 parts of hollow microspheres, 0.5-30 parts of hydrogen-containing silicone oil, and 5-25 parts of flame retardant. The present invention also discloses a preparation method of the above-mentioned hard silicone foam: the A material and the B material are mixed and then injected and coated between the upper and lower auxiliary material films, and then calendered and high-temperature foamed and cured to form. The hard silicone foam of the present invention has the advantages of good conformability, small permanent deformation after high-temperature aging, medium hardness and high elasticity, flame retardancy, etc., and can be used for formation, support, module installation buffer protection, etc. in the process of battery cell manufacturing.
Owner:DONGGUAN GUANGMAI ELECTRONIC TECH CO LTD

Ceramic tile conveying equipment

The utility model discloses ceramic tile conveying equipment which comprises a conveying frame. The clamp is movably arranged on the conveying frame, the clamp comprises a sponge suction cup, a suction fan and a control valve, the sponge suction cup is connected with the suction fan, and the suction fan is electrically connected with the control valve. The ceramic tile conveying equipment disclosed by the utility model is applied to a ceramic tile production line, is used for conveying a plurality of closely arranged ceramic tiles at one time, and is high in conveying efficiency. According to the ceramic tile conveying equipment, the suction fan is used for increasing the suction force of the sponge suction cup, so that the sponge suction cup can suck a plurality of ceramic tiles which are tightly arranged at a time, a sponge body of the sponge suction cup is of a porous structure, elasticity is stable, long-time stable work can be achieved, and all the sucked ceramic tiles are located at the same height; and the ceramic tiles are difficult to move along the surfaces of the sponge suckers, so that the edges of the ceramic tiles are prevented from being collided.
Owner:KEDA INDUSTRIAL GROUP CO LTD

A flip cover buffet stove

The invention discloses a flip cover self-service stove, comprising a stove frame, a full flip cover is arranged above the stove frame, base plates are respectively arranged on both sides of the stove frame, and rotating handles are respectively arranged on both sides of the flip cover, an axis disk is fixedly installed on the base plate, a rotating core is placed in the inner cavity of the axis disk, the rotating core is relatively rotatably installed in the inner cavity of the axis disk through a fixed shaft connected to the base plate, the front end of the fixed shaft extends out of the rotating core, the end of the rotating handle is provided with a U-shaped bayonet socket which is plugged into the front end of the fixed shaft and can rotate around the shaft, the rotating handle is embedded and synchronously rotated with the rotating core through a pin, an outer drum cavity section, a half-open angle positioning pressing section and a fully open limiting pressing section are formed on the inner side wall of the axis disk, the rotating core is a plastic cylindrical core, a protrusion is integrally formed on the outer peripheral edge of the protrusion, a cavity is formed on the inner side of the protrusion, an elastic section is formed between the protrusion and the rotating core body, the protrusion can be deformed inwardly toward the cavity under compression, and the use effect is good.
Owner:JIANGMEN HONGXING HOTEL SUPPLIES CO LTD

Rubber bearing for offshore drilling platform under working condition

The utility model relates to rubber support technical field discloses a rubber support under the working condition of offshore drilling platform, including composite rubber body and the steel bottom plate of setting at the bottom of composite rubber body, the stainless steel framework is alternately overlapped and arranged in the composite rubber body, the stainless steel framework is overlapped and is composed by a plurality of thin steel sheets, the stainless steel framework is formed 10um ceramic membrane through micro -arc oxidation treatment, and fills the nanometer sealing agent in ceramic membrane, the composite rubber body includes the surface layer, the middle layer and the core layer that set up in proper order, the surface layer is made of hydrogenated nitrile rubber, the middle layer is made of fluorine rubber, and is connected through vulcanization bond with the surface layer, the core layer is made of high damping natural rubber, is closely combined with the middle layer through hot vulcanization process, and the whole forms co -vulcanization integrated structure.
Owner:MAGEBA SHANGHAI BRIDGE PROD CO LTD

Bovine serum multi-level filtering device

ActiveCN224071365UContinuous axial vibrationAutomatic axial vibrationMoving filtering element filtersAxial vibrationMechanical engineering
The utility model provides a bovine serum multi-level filtering device, and relates to the field of bovine serum filtering, the bovine serum multi-level filtering device comprises a box body, a rotating cylinder is arranged in the box body, at least one mounting ring is arranged in the rotating cylinder, a fixing plate is arranged in the mounting ring, an annular filter plate is arranged between the fixing plate and the mounting ring, and the annular filter plate is arranged in the box body. The annular filter plate is embedded in the mounting ring, and two assembly rods are arranged outside the mounting ring. Through cooperation of the fixed rods, the fixed rings, the arc-shaped protrusions, the rolling balls, the rectangular blocks, the rectangular grooves and other structures, in the rotating process of the rotating drum, the static arc-shaped protrusions make contact with the rolling balls, the mounting ring is driven to periodically ascend and descend in the vertical direction, and the rotating drum is driven to rotate. The continuous and automatic axial vibration of the annular filter plate in the filtering process is realized, and the vibration in the vertical direction can generate effective axial stripping force on particles and viscous substances embedded into pores of the filter screen, so that the blockage of the filter pores is obviously reduced.
Owner:HOHHOT GRASSLAND GREEN WILDLIFE ENG MATERIALS CO LTD

Throttling device with resistance adjusting function

ActiveCN222142334Uachieve blocking effectResistance adjustmentJoints with fluid cut-off meansStructural engineeringMechanical engineering
The utility model relates to the technical field of throttling devices, and particularly discloses a throttling device with a resistance adjusting function, which comprises a pipeline body, a pore plate body is mounted in the pipeline body, a resistance adjusting component is mounted on the right side surface of the pore plate body, and the resistance adjusting component is used for controlling the pore plate body to be opened and closed. The resistance adjusting assembly is used for adjusting the resistance of the flow rate of liquid, the auxiliary assemblies are installed on the upper portion and the lower portion of the resistance adjusting assembly and used for assisting the resistance adjusting assembly in use, and the auxiliary assemblies can make the resistance adjusting assembly more stable when the pore plate body is opened and closed. By arranging the resistance adjusting assembly, the problems that an orifice plate in a current common throttling device is often fixedly installed, so that resistance provided by the orifice plate to liquid or gas is always fixed, the orifice plate needs to be replaced when the resistance of the throttling device needs to be adjusted, and time and labor are wasted are solved.
Owner:HENAN JINXI FLUID EQUIP CO LTD

Multifunctional composite filling layer, preparation method and odorless palm mattress

The invention belongs to the technical field of textiles, and discloses a multifunctional composite filling layer, a preparation method and an odorless palm mattress. The multifunctional composite filling layer comprises a natural bamboo fiber layer, a rebound layer is arranged on the upper surface of the natural bamboo fiber layer, a functional layer is arranged on the lower surface of the natural bamboo fiber layer, raw materials of the rebound layer comprise polyester fibers, palm fibers, ES fibers and tea fibers, and raw materials of the functional layer comprise unsaturated polyester resin, a photoinitiator and modified functional filler. The preparation method comprises the following steps: dissolving a silane coupling agent in a solvent, then adding short carbon fibers, and carrying out ultrasonic dispersion to prepare a dispersion liquid; adding an inorganic nano antibacterial agent into the dispersion liquid, and carrying out ultrasonic dispersion to prepare a mixed liquid; dissolving a fluorocarbon surfactant in a solvent, then adding into the mixed solution, stirring, separating and collecting solids, and drying to obtain the modified functional filler. The multifunctional composite filling layer provided by the invention has excellent antibacterial property, peculiar smell removal property, air permeability, supporting property, durability and the like.
Owner:FOSHAN HAOWEI NEW MATERIAL TECH CO LTD

Anastomat and anastomosis nail pushing mechanism thereof

The utility model discloses an anastomat and an anastomosis nail pushing mechanism thereof, and relates to the medical technical field, the anastomat comprises a shell, one side of the shell is provided with a handle, one end of the handle is fixedly connected with a nail anvil, one side of the top of the handle is provided with a locking mechanism, and the inner side of one end of the handle is inserted with a nail bin. Through cooperation of an elastic piece and a clamping block, the nail bin can be rapidly inserted and preliminarily fixed, basic guarantee is provided for follow-up operation, a first moving plate stably moves along a sliding groove, elastic tension storage and stable movement of the device are ensured through the combination of the action of a second fixing rod and a second tension spring, and in the reset process, through cooperation of an inserting rod and a positioning hole, the device is reset stably. Final firm inserting connection is achieved, the stability of the nail bin is greatly improved through the double-locking function of the clamping block, disassembly and replacement are more convenient and faster through the modular design, the requirements for efficient and flexible operation are met, and the reliability of the device is enhanced through the overall structure.
Owner:NINGXIA BEIYI MEDICAL INSTR CO LTD

A room temperature stable non-crystallized liquid crystal tilted helical material and its application

The present invention discloses a room temperature stable non-crystallized liquid crystal tilted helical material, which is made of the following components by mass percentage: 35% to 55% of liquid crystal dimer material, 40% to 60% of nematic phase liquid crystal monomer material, and 0.1% to 10% of chiral molecules; the room temperature stable non-crystallized liquid crystal tilted helical material of the present invention has an overall chiral nematic phase temperature range covering room temperature 25°C, and the material system is extremely stable. Even if stored at room temperature for more than one year, no crystallization occurs; the material system meets the extremely low bending elastic constant, and its K 33 <0.4pN; the physical parameters of the material system including dielectric constant and elastic constant remain stable and do not fluctuate with storage. Even after being stored for one year, the physical parameters of the material system of the present invention do not change significantly.
Owner:EAST CHINA UNIV OF SCI & TECH

Semiconductor material deformation monitoring device

ActiveCN224175838UReal-time monitoring of deformation behaviorPrecise control of flip angleUsing subsonic/sonic/ultrasonic vibration meansSemiconductor materialsElectric machine
The utility model provides a semiconductor material deformation monitoring device, which relates to the technical field of semiconductor production, and comprises a tank body and a sound wave detection head, the inside of the tank body is fixedly connected with an overturning detection assembly, the top end of the overturning detection assembly is fixedly connected with a pressure assembly, and the top end of the tank body is fixedly connected with a feeding assembly. The overturning detection assembly comprises a motor and a connecting plate, the outer side of the motor is fixedly connected to the tank body, the driving end of the motor is fixedly connected with a top cover, the bottom end of the top cover is fixedly connected with a guide plate, and one end of the connecting plate is fixedly connected with a guide sliding column; the innovative design concept enables detection and analysis of the semiconductor material to be more flexible and comprehensive, careful observation can be performed from multiple angles, and researchers can accurately monitor the deformation process of the material, so that behaviors and characteristics of the material under different conditions can be better known, and the detection accuracy of the semiconductor material is improved. Therefore, the rupture of the thin film caused by uneven stress generated in the temperature change process is effectively avoided.
Owner:SICHUAN HANGXINTONG MACHINERY EQUIPMENT CO LTD

A circuit board for an automatic medical injector

The application discloses a circuit board for an automatic medical injector and a production process thereof, and particularly relates to the technical field of circuit board manufacturing. The circuit board for the automatic medical injector adopts an elastic bending-resistant substrate as a substrate, selects elastic metal as a raw material, adds polyether in synthetic fibers, has good mechanical physical properties and good temperature resistance, and adds plasticizers and organic silicon as an auxiliary. The circuit board has high and low temperature resistance, electrical insulation, oxidation resistance stability, and a reinforcing layer as metal rubber. The structure is stable, and the elastic bending-resistant substrate has good elasticity, toughness and bending resistance. The use of transparent film coating and protective film double-protects the upper surface of the circuit board body, has good protection effect, avoids the phenomenon that the surface of the elastic bending-resistant substrate is damaged due to damage of the transparent film coating, improves the structure of the circuit board body, and improves the safety function of the circuit board body.
Owner:GUANGDE XINSANLIAN ELECTRONICS CO LTD

Machining method of flat spiral wave spring

The invention discloses a method for processing a flat spiral wave spring, which comprises the following steps: a rounding adjusting mechanism comprises a rounding channel and an adjusting piece, and the adjusting piece controls the rounding radius, so that a raw material is processed into a spiral wave structure; the wave-shaped forming mechanism comprises a first driving source and a forming part, and the forming part is used for forming wave crests and wave troughs of the scroll wave-shaped structure; the cutting mechanism comprises a cutting knife, and the cutting knife is used for cutting; and the control mechanism controls the circle forming adjusting mechanism, the wave-shaped forming mechanism and the cutting mechanism through an algorithm. The flat spiral wave spring comprises a starting end and a terminating end, the radius of the starting end is not equal to that of the terminating end, the number of turns of the flat spiral wave spring is at least one, and wave crests or wave troughs corresponding to two adjacent turns of the flat spiral wave spring are located in the same radial direction; the flat spiral wave spring is high in material rigidity and uniform in forming stress distribution, and is mainly used for use scenes with small axial space, large radial space, high rigidity, small stroke and large axial force.
Owner:ZHEJIANG LISHENG SPRING CO LTD

Hard rock pipeline top shield machine and construction technology thereof

The invention discloses a hard rock pipeline shield jacking machine and a construction technology thereof, and relates to the field of pipeline shield jacking machines, the hard rock pipeline shield jacking machine comprises a pipe jacking machine body and a shield tail shield, a propelling oil cylinder is fixedly installed between the pipe jacking machine body and the shield tail shield, and a cutter head is installed on one side of the shield tail shield. A synchronous belt is used for driving a second rotating rod to rotate, when a cam at the top of the second rotating rod exerts acting force on a pushing plate to enable a movable frame to start to slide, then the movable frame is controlled to swing through the synergistic effect of a driving rod and a protruding plate, and through the series of operation, movement of a movable tool bit is accurately controlled; under the synergistic effect of the cam and a series of transmission mechanisms, the movable cutter head can swing back and forth in a circular arc shape while the cutter head rotates, so that the cutting depth and breadth are increased, the shield tunneling efficiency is improved, and the adaptability of the top shield machine to different complex geological conditions is enhanced.
Owner:ANHUI HIKING CONSTR CO LTD

Mounting member, photovoltaic support and photovoltaic power station

The utility model discloses a mounting member, a photovoltaic support and a photovoltaic power station, the mounting member comprises a mounting seat and a fixing structure, the surface of the mounting seat is provided with an assembling elastic sheet, and the mounting seat is used for connecting a support frame body of the photovoltaic support; the fixing structure is rotatably connected to the surface of the mounting base, a fixing clamping opening is formed in the fixing structure and used for allowing a photovoltaic module to be inserted and clamping and fixing the photovoltaic module, an assembling buckle is arranged on the side, facing the mounting base, of the fixing structure, and the assembling buckle is used for being connected with the assembling elastic piece in a matched and clamped mode. The technical scheme of the utility model aims to realize convenient assembly of the installation component, improve the assembly efficiency of the photovoltaic power station, and further improve the practicability and reliability of the installation component.
Owner:HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD

Small overflow valve

The utility model relates to a small overflow valve which is mainly composed of a valve body, a diaphragm and an elastic reset piece, a valve plate, a pressure cavity and a medium circulation cavity are arranged in the valve body, and a valve port on the valve plate is communicated with a water inlet channel and a water outlet channel in the medium circulation cavity; the deformable diaphragm is located above the valve plate and divides the pressure cavity and the medium circulation cavity, and opening and closing of the valve port are achieved through fluid pressure of the water inlet channel. The elastic reset piece provides downward driving force for the diaphragm, and it is ensured that the valve port is closed. The overflow valve is characterized in that a valve stand is of an annular stand structure on the valve plate, the upper surface of the valve stand is flat and is provided with an arc-shaped convex ring, and the periphery of the convex ring is smaller than the valve stand to form a step. According to the design, the convex ring on the periphery of the valve port is changed into the arc shape, and compared with a traditional conical structure, fluid can be guided more smoothly, pressure transmission is uniform, fluid flowing resistance and energy loss are effectively reduced, the reaction sensitivity of the valve is greatly improved, and the valve port is opened and closed rapidly through the diaphragm.
Owner:WENZHOU DAYANG TECH

MTS testing machine extensometer positioning calibration device

The invention relates to the technical field of MTS testing machines, and discloses an MTS testing machine extensometer positioning and calibrating device, which comprises a tension testing machine, an extensometer positioning and calibrating device, an extensometer positioning and calibrating device and an extensometer positioning and calibrating device, the upper clamp is mounted in the middle of the lower end surface of the movable cross beam, and a lower clamp corresponding to the upper clamp is mounted on the tension tester; the positioning calibration unit is mounted on the tension tester; the extensometer is arranged outside the tensile testing machine, a clamping part is arranged on the positioning calibration unit, and the extensometer is detachably mounted on one side, close to the tensile testing machine, of the positioning calibration unit through the clamping part; the track frame is fixed with the tension tester through two mounting plates mounted below the track frame; and the roller seat is mounted on the track frame in a sliding manner. According to the invention, high-precision positioning calibration can be carried out on the extensometer, so that the clamping positions and clamping contact points of the extensometer and the test piece can be maintained to be completely consistent, and errors caused by manual operation can be avoided.
Owner:包头市住房和城乡建设绿色发展促进中心(包头市城乡建设绿色低碳服务中心)

Miniature semi-automatic chip testing platform

This utility model discloses a miniature semi-automatic chip testing platform, including a support base plate on which a PCB board and a chip testing socket are mounted. The chip testing socket has a chip slot for testing the chip to be tested. A support frame is provided on the support base plate, and the support frame includes a transition horizontal plate parallel to the support base plate. A chip pressure pin is mounted on the transition horizontal plate. The chip pressure pin is driven to move up and down by a first lead screw motor or a pressure plate linkage mechanism, and the bottom of the chip pressure pin corresponds to the chip slot. This utility model can ensure a stable chip testing environment, improve testing speed, enhance the adaptability of the testing socket, and save testing time.
Owner:SUZHOU UPRECISION TECH CO LTD

Discharging buffer device of vibrating screen

The invention discloses a discharge buffer device of a vibrating screen, which comprises a vibrating screen main body and a buffer mechanism arranged at a discharge port of the vibrating screen main body, and the vibrating screen main body is used for screening materials. The buffering mechanism comprises a support, a damping assembly arranged on the support and a screen plate arranged on the damping assembly and located below a discharging port of the vibrating screen body, a plurality of screen holes are formed in the screen plate, and a driving assembly used for driving the screen plate to turn over and a locking assembly used for locking the screen plate are arranged at the damping assembly. The vibration screening equipment has the effect of improving the screening efficiency of the vibration screening equipment.
Owner:GUANGZHOU LONGYUE ENVIRONMENTAL PROTECTION MASCH EQUIP CO LTD