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34results about How to "Reduce mutual friction" patented technology
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Automatic cable combing device of towing engine for ship
InactiveCN119659848AUniform tensionExtended service lifeWaterborne vesselsPull forceMarine engineering
The invention belongs to the technical field of marine towing cables, and provides a marine towing engine automatic cable combing device which comprises a support, the support comprises a bottom plate, and side plates are symmetrically arranged at the top of the bottom plate; the winding assembly is arranged between the two side plates, the winding assembly comprises two outer gear rings rotationally connected to the side plates, a cable roller is rotationally connected between the two outer gear rings, a connecting shaft is fixedly connected to the end of the cable roller, and a guide component is arranged between the two side plates; the cable shifting assembly is arranged on the bottom plate; a cable is guided through reciprocating movement of the cable shifting rod, so that the cable is wound, the cable is kept uniform and compact in the winding process, disordered winding of the cable is avoided, it is guaranteed that the cable is smoothly unwound next time, the cable is subjected to uniform pulling force during winding, the cable can be prevented from being subjected to too large pressure or pulling force, and the service life of the cable is prolonged. Therefore, the service life of the mooring rope is prolonged, mutual friction and extrusion of the mooring rope in the storage process can be reduced through uniform winding, and the integrity of the mooring rope is further protected.
Owner:QINHUANGDAO ZHIYUAN SHIPPING CO LTD
Photovoltaic module transfer carrier
ActiveCN222611919Ureduce mutual frictionReduce bumpsExternal framesExternal fittingsMechanical engineeringMaterials science
The utility model discloses a photovoltaic module transfer carrier, and relates to the technical field of photovoltaic module transfer. The plurality of layers of supporting assemblies are arranged at intervals in the vertical direction, each layer of supporting assembly comprises a plurality of supporting arms, the supporting arms are rotationally connected with the tool frame and used for supporting the photovoltaic module, and the photovoltaic module comprises at least one supporting beam and a plurality of photovoltaic panels supported and fixed by the at least one supporting beam; in the process that the supporting arms located on the lower layer rotate to the supporting positions to support the photovoltaic modules or under the condition that the supporting arms are located on the supporting positions, the corresponding supporting arms located on the adjacent upper layer can be driven to rotate from the initial positions to the supporting positions; the support arm at the initial position does not interfere with the movement of the photovoltaic module along the vertical direction, and provides avoidance for the support arm at the lower layer to bear the photovoltaic module. Through the photovoltaic module transfer carrier, damage to the photovoltaic module in the transportation process can be reduced, the field installation efficiency is improved, the photovoltaic module loading efficiency is improved, and the photovoltaic module loading cost is reduced.
Owner:SHANGHAI BOLIGHTROBOTICS CO LTD
Printing product feeding machine
InactiveCN119490092Aavoid position shiftachieve separationArticle feedersConveyor partsGear wheelIndustrial engineering
The invention relates to the technical field of printing equipment, and discloses a printed product feeding machine which comprises a shell. The printing structure is arranged on the inner wall of the top of the shell; the conveying belt is arranged in the shell; and the feeding assembly is arranged on the shell and comprises an adsorption part, a positioning part and a feeding part, the adsorption part is located in the shell, a separation part is arranged in the adsorption part, a containing frame is arranged and used for temporarily storing printed products, the printed products in the containing frame are ejected out through a first U-shaped frame, and a second U-shaped frame is arranged in the containing frame. A mounting block is driven by a moving U-shaped frame to move, a rotating shaft II is driven to move, the moving rotating shaft II drives a gear to move, the gear is pushed by a rack to rotate, the rotating shaft II is driven to rotate, and the rotating shaft II drives a cone to rotate; the printing product on the bottommost layer is separated from the product above the printing product, and mutual friction between the products is reduced.
Owner:NANTONG BLUEBIRD COLOR PRINTING CO LTD
Tool for preventing rubber plug from generating dust due to friction
ActiveCN224118114Uavoid hard frictionprevent adhesionLoading/unloadingJigging conveyorsDrug productMechanical engineering
The utility model discloses a tool for preventing dust from being generated by friction of a rubber plug, which relates to the technical field of rubber plug tools and comprises a vibration material channel, a flexible pad is detachably fixed on the vibration material channel through a mounting angle plate, the flexible pad is a flexible body which is made of flexible materials and has a smooth surface, and the flexible pad comprises a U-shaped pad. The U-shaped pad is embedded in the vibration material channel and attached to the inner wall of the vibration material channel. Due to the fact that the flexible pad is installed on the vibration material channel, the rubber plug is in flexible contact with the outer surface of the U-shaped pad in the moving process, the probability that the rubber plug is damaged due to friction is reduced, the probability of generating dust is reduced, and meanwhile the dust falling hole is formed, so that the rubber plug is prevented from being damaged. The dust falling holes are formed in the rubber plugs, so that dust possibly generated can be sucked away through the dust falling holes under the action of air flow, and therefore it is further guaranteed that no dust adheres to the rubber plugs after feeding, the sealing performance of packaging and the good medicine quality are guaranteed, and the qualified rate of packaged medicines is increased.
Owner:QINGDAO CHENGHE ELECTRONIC TECH CO LTD
Vehicle-mounted power supply and audio integrated transmission structure and vehicle-mounted transmission wire harness
The present disclosure provides a kind of vehicle-mounted power supply audio integrated transmission structure and vehicle-mounted transmission wire harness, above-mentioned structure includes power supply plug, power supply wire assembly and audio power supply wire assembly, power supply wire assembly includes power supply positive pole component, power supply ground component and power supply terminal, power supply positive pole component includes positive pole power supply wire, positive pole branch piece and positive pole wire, positive pole branch piece includes positive pole rubber block, positive pole shunt terminal, positive pole covering film and positive pole branch piece, power supply ground component includes negative pole wire, negative pole branch piece and negative pole wire, negative pole branch piece includes negative pole rubber block, negative pole shunt terminal, negative pole covering film and negative pole branch piece.Assemble power supply positive pole component, adjacent positive pole wire is separated by a positive pole branch piece, then by positive pole covering film, so that positive pole wire and positive pole branch piece are linear distribution on cross section, assemble power supply ground component also uses the same effect, guarantee vehicle-mounted central control can be normally powered.
Owner:HUIZHOU JIECHANG PRECISION WIRING HARNESS
Combined cold insulation layer
ActiveCN222297350Ulow thermal conductivityImprove the cooling effectThermal insulationPipe protection by thermal insulationInsulation layerProtection layer
A combined cold insulation layer relates to the technical field of equipment and pipeline cold insulation and comprises a vacuum adjusting layer, a matching layer used for stabilizing the vacuum adjusting layer, a combined layer used for cold insulation and a protective layer used for collision protection which are sequentially distributed from inside to outside. The vacuum adjusting layer is a hollow structure layer used for adapting to deformation of a cold insulation object. The combined layer is composed of hard layers and flexible layers or composed of single flexible layers, and when the combined layer is composed of the hard layers and the flexible layers, the hard layers and the flexible layers are alternately distributed from inside to outside. The cold insulation effect of the cold insulation layer is maintained on the basis of adapting to deformation displacement of the cold insulation object.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Device for preventing tobacco leaves from being scratched during conveying and transferring
This utility model relates to the technical field of tobacco processing equipment, specifically a tobacco leaf anti-scratching conveying and transporting device. It includes a base with a square structure and adjusting components at the four corners of the top. A baffle plate is installed between the adjusting components, and the baffle plate can be expanded and contracted by the adjusting components. A square protective space is formed inside the baffle plate, and tobacco leaf clamping rods are installed inside the protective space for holding and placing the tobacco. The top of the protective space is sealed by a detachable top cover. In terms of anti-scratching protection, this tobacco leaf anti-scratching conveying and transporting device achieves all-round protection for the tobacco leaves through multiple structures. The baffle plate is made of flexible rubber material with a sponge layer on the surface, which is soft and has good cushioning performance, preventing direct rigid contact between the tobacco leaves and the baffle structure, fundamentally reducing leaf damage caused by scratches.
Owner:SHENZHEN TOBACCO IND +2
Carbon fiber planar triaxial fabric and weaving method thereof
The present invention relates to a carbon fiber plane triaxial fabric and a weaving method thereof, comprising a plurality of regular hexagonal units woven from a carbon fiber yarn bundle group, wherein the regular hexagonal unit is evenly divided into three rhombus units; the carbon fiber yarn bundle group comprises a first yarn bundle, a second yarn bundle at a 60° angle with the first yarn bundle, and a third yarn bundle at a ‑60° angle with the first yarn bundle; in the first rhombus unit, the first yarn bundle is located at an upper layer, the second yarn bundle is located at a middle layer, and the third yarn bundle is located at a lower layer; in the second rhombus unit, the second yarn bundle is located at an upper layer, the third yarn bundle is located at a middle layer, and the first yarn bundle is located at a lower layer; in the third rhombus unit, the third yarn bundle is located at an upper layer, the first yarn bundle is located at a middle layer, and the second yarn bundle is located at a lower layer. The present invention is woven along three axial directions, thereby increasing the tear resistance of the carbon fiber fabric, reducing the curvature of the yarn bundle, reducing the deformation of the carbon fiber fabric, and extending the service life of the carbon fiber fabric.
Owner:SHANDONG XINRUITE COMPOSITE MATERIALS CO LTD
Valve needle assembly and electronic expansion valve
The invention belongs to the technical field of fluid control valves, and particularly relates to a valve needle assembly and an electronic expansion valve. The valve needle assembly comprises a valve needle, a valve rod and a valve needle spring, the valve rod is provided with a first stopping face and a second stopping face which extend outwards in the radial direction and are oppositely arranged, the valve needle is provided with a sliding cavity, the sliding cavity is provided with an annular stopping part, and the valve needle spring is arranged on the valve rod in a sleeving mode and compressed between the first stopping face and the annular stopping part. The second stopping surface is movably arranged in the sliding cavity and is in anti-falling fit with one end, back on to the first stopping surface, of the annular stopping part; an inner hole of the annular stopping part forms a limiting hole used for limiting the radial movement of the valve rod, and the side wall of the valve needle is provided with an assembling hole which is communicated with the limiting hole and the sliding cavity so that the valve rod can pass through and be installed in the valve needle. According to the valve needle assembly, the valve needle and the valve rod are reliably connected through anti-falling fit, the structure of the valve needle assembly is simplified, welding connection is not needed, the maintainability of the valve needle assembly is improved, and the maintenance cost is reduced.
Owner:YAPP AUTOMOTIVE PARTS (KAIFENG) CO LTD
A new sealing structure of low-resistance roller
This application relates to the field of idler roller technology, and more particularly to a novel sealing structure for a low-resistance idler roller. To address the problem of increased resistance during idler roller rotation due to friction caused by the mutual friction within the labyrinth structure, the structure includes a primary sealing assembly. The primary sealing assembly has a primary labyrinth assembly on its exterior and a secondary labyrinth top assembly inside. This application utilizes the cooperation between the upper and lower labyrinth sections, filling the gap between them with lubricating grease to maintain a seal between the secondary labyrinth top and bottom assemblies. This reduces mutual friction between the secondary labyrinth top and bottom assemblies, thereby reducing resistance during idler roller rotation. The primary sealing assembly, in conjunction with the primary labyrinth assembly, encloses the secondary labyrinth top and bottom assemblies, blocking external dust and effectively reducing resistance caused by friction.
Owner:衡水中煤煤机制造有限公司
Dyeing and dehairing one-bath finishing process for China-hemp cotton knitted fabric
PendingCN119571644Aquality improvementreduce mutual frictionLiquid/gas/vapor treatment of propelled fabricsBiochemical treatment with enzymes/microorganismsYarnFiber
The invention discloses a dyeing and dehairing one-bath finishing process for China-hemp cotton knitted fabric. The dyeing and dehairing one-bath finishing process comprises the following steps: (1) preparing gray fabric; (2) greige cloth rinsing: cleaning impurities and stains on the surface of the greige cloth in advance, and promoting preliminary wetting and swelling among yarns and fibers at the same time; (3) pretreatment; neutral cellulase with the concentration of 0.25-0.5% (o.w.f) is added into the dye vat, the bath ratio is 1: 15, the treatment temperature is 55-58 DEG C, and the treatment time is 45-60 min; (5) dyeing; (6) washing; and (7) tentering and drying. The wool removing process and the dyeing and finishing process are organically combined, the problems of strength, creases, scratches, discoloration, manpower and the like existing in an existing knitted fabric wool removing process are solved, milder neutral cellulase is selected to replace acid cellulase, the influence on the strength of cellulose is smaller, the wool removing process and the dyeing and finishing process are organically combined, and the dyeing and finishing effects are better. And the dehairing process is completed during pretreatment, so that the subsequent dyeing is not influenced, and the influence of cellulase on the color is avoided.
Owner:WEIHAI HANTAI HEMP FIBER TECH CO LTD
Flat plate conveyor capable of preventing materials from moving
Owner:PUBEI RONGTAI NEW ENERGY MATERIALS TECHNOLOGY CO LTD
Wire holder and holding method
ActiveCN119297877AReduce electromagnetic interferenceprevent agingCable arrangements between relatively-moving partsApparatus for laying cablesElectric wireParallel arrangement
The invention discloses an electric wire holder and a holding method. The electric wire holder comprises a frame body and a plurality of threading assemblies arranged in the frame body, and the plurality of threading assemblies are circumferentially arranged; each threading assembly is of a detachable structure and comprises a first ball frame, a second ball frame and a driving mechanism arranged corresponding to the first ball frame and the second ball frame. Each of the first ball frame and the second ball frame comprises a ring body, and a fixed ball group and a movable ball group which are arranged in the ring body; the first ball frame and the second ball frame are arranged in the length direction of the frame body. According to the invention, the central axes of the electric wires, the first ball rack and the second ball rack coincide, if the plurality of electric wires in the electric wire holder are straight, the electric wires are parallel to each other, such a layout is beneficial to uniform distribution of an electromagnetic field and reduction of electromagnetic interference among the electric wires, and the electric wires arranged in parallel are beneficial to air circulation. Therefore, the heat dissipation efficiency is improved, and the aging or damage of the wire caused by overheating is avoided.
Owner:YANGZHOU YAYE ELECTRIC HEATING TECH CO LTD
Packaging method of double-sided double-glass photovoltaic module
PendingCN119429287Areduce mutual frictionReduced risk of crush injuriesWrappingBundling machine detailsPaper basedMaterials science
The invention relates to the field of solar double-sided double-glass photovoltaic module packaging. A packaging method for a double-sided double-glass photovoltaic module comprises the following steps: preparing a tray, a paper base plate, a surrounding box, a surrounding box upper cover, a partition plate, a protective film, the double-sided double-glass photovoltaic module adopting a full-paper-wrapping angle bead mode to wrap paper angle beads, a bar code, an information sheet and a packaging machine, wherein the tray, the paper base plate, the surrounding box, the surrounding box upper cover, the partition plate and the protective film are integrally in a cuboid shape; the two sides, in the length direction, of the upper surface of the tray are each of a symmetrical structure and fixedly provided with an opening-to-opening [-shaped fixing block. A paper base plate is laid on the upper surface of the tray, the double-faced double-glass photovoltaic modules are sequentially arranged on the paper base plate in a vertical mode till the double-faced double-glass photovoltaic modules are filled in openings of the [-shaped fixing blocks, and the two faces with the smallest area in the six faces of each double-faced double-glass photovoltaic module are located in the openings of the [-shaped fixing blocks respectively.
Owner:SHANXI LUAN PHOTOVOLTAICS TECH
Cable suspending and twisting device and wind generating set
ActiveCN222484158Ureduce stretchreduce mutual frictionCable arrangements between relatively-moving partsWind energy generationClassical mechanicsTower
The cable hanging and twisting device comprises a bearing inhaul cable and cable fixing discs, the bearing inhaul cable is vertically arranged in the center of a tower, the upper end of the bearing inhaul cable is fixedly connected with a base, the cable fixing discs are fixed to the bearing inhaul cable in a clamped mode, the cable fixing discs clamp and fix a cable, and the cable fixing discs are connected with the bearing inhaul cable in a clamped mode. The cable is distributed around the load-bearing inhaul cable. When not yawing, the cable between the cable fixing discs is loose. A through hole is formed in the middle of the maintenance platform so that the bearing inhaul cable can penetrate through the through hole, the cable fixing disc close to the maintenance platform is fixedly connected with the rotary support, and the rotary support rotates around the middle of the maintenance platform through the rotary bearing. The cable hanging and twisting device can greatly reduce stretching of the cable caused by gravity load and avoid heat accumulation caused by dense arrangement. Main connecting points of the cable fixing device are located in the middle of the maintenance platform, and maintenance difficulty and workload are reduced. The cable fixing device is simple in structure and convenient to install and maintain.
Owner:BEIJING SANLI XINNENG SCI & TECH
Silent tire and tire mold
ActiveCN224197540UGuaranteed clamping effectreduce mutual frictionTyresTyre sidewallsControl theoryMechanical engineering
The utility model discloses a mute tire and a tire mold, and aims to solve the problem that the noise of the conventional tire is high during running. The tire comprises a tread part and a sidewall part, the sidewall part is provided with a groove, a pattern unit in the groove comprises a plurality of linear structures, and at least part of the pattern unit is a deformation part. When the tire runs, the deformation parts deform to shield partial gaps between the adjacent linear structures, airflow entering is reduced, and air friction noise is lowered. The top end of the linear structure is a deformation part, the outer surfaces can be located on the same plane during deformation, the section of the linear structure is triangular or trapezoidal, the included angle is 20-45 degrees, the height difference between the top end and the bottom face of the groove is 0.15-0.6 mm, the adjacent gap is 0.1-0.5 mm, and the line type can be a straight line, a broken line or an arc line. The tire mold is provided with protruding modules and textures and is used for forming grooves and pattern units. According to the scheme, noise is effectively reduced while the tire performance is guaranteed.
Owner:艾鑫
Rotating joint fixing device
ActiveCN222543278USafe and stable long-term operationefficient releasePipeline expansion-compensationAdjustable jointsMechanical engineeringRetainer (device)
The utility model provides a rotating joint fixing device, which comprises a device body, a rotating joint fixing device, a rotating joint fixing device and a rotating joint fixing device, and is characterized in that the device body is rotatably connected with the rotating joint; the adjusting plate is fixedly arranged, and the device body penetrates through the adjusting plate; the adjusting spring is arranged on the device body in a penetrating manner; the device body is sleeved with the stopping piece, one end of the adjusting spring abuts against the adjusting plate, and the other end of the adjusting spring abuts against the stopping piece. The rotary joint fixing device solves the technical problem that stress of a rotary joint cannot be effectively released when a coal slime dryer is started or steam parameters change in the prior art.
Owner:YANKUANG ENERGY GRP CO LTD +1
Novel corner splicing structure of household product
InactiveCN222185351UEfficient killingavoid erosionAnimal repellantsFurniture joiningBiotechnologyStructural engineering
The utility model provides a novel corner splicing structure of household products, which relates to the technical field of household products and comprises a first tenon body, a first tenon head arranged at the bottom of the first tenon body, a first medicine feeding hole arranged at the top of the first tenon body and a third tenon body arranged at the top of the first tenon body. One side of the first tenon body, one side of the second tenon body and one side of the third tenon body are provided with the first medicine feeding hole, the second medicine feeding hole and the third medicine feeding hole respectively, and the hole positions directly correspond to key parts, prone to being damaged by termites, of the tenon-and-mortise structure, so that termite killing powder can accurately act on termite activity areas, and the pertinence and accuracy of prevention and control are improved; when the medicine is put into the medicine inlet hole, the medicine can be in direct contact with the termites, the termites are effectively killed and prevented from further corroding the tenon-and-mortise structure, the integrity of the wood component is protected, meanwhile, the continuously released medicine effect can play a role in prevention, intervention is carried out before the termites invade in a large scale, and the risk of termite harm is reduced.
Owner:CHONGQING COIT HOME FURNISHING CO LTD
Embroidery machine with movable workbench
ActiveCN222139499UIncrease the function of facilitating vibration reductionReduce the phenomenon of fallingAuxillary devicesRubber ringWorkbench
The utility model relates to the technical field of embroidery machines, and discloses an embroidery machine with a movable worktable, which comprises an operating table, two fixing columns are fixedly connected to the left side and the right side of the bottom end of the operating table respectively, an extrusion plate is fixedly connected to the other end of each fixing column, a sleeve is slidably connected to the outer side of the extrusion plate, and two rubber rings are arranged on the outer side of the extrusion plate. A bottom plate is fixedly connected to the bottom ends of the sleeves, a plurality of universal wheels are fixedly connected to the bottom end of the bottom plate, a fixing rod is fixedly connected to the middle of the top end of the bottom plate, two sliding grooves are formed in the middle of the top end of the bottom plate, and two rotating rods are rotationally connected to the middle of the bottom end of the operation table. According to the utility model, the vibration reduction is facilitated, and the phenomenon that the working table of the embroidery machine vibrates due to an uneven road surface in the conveying process is reduced, so that the damage rate caused by mutual friction of internal parts of the embroidery machine due to vibration is reduced, the stability of the working table surface is improved, and the phenomenon that materials fall off during conveying is reduced.
Owner:SUNAN YUGUR AUTONOMOUS COUNTY PAINTING ARTS & CRAFTS CO LTD
Limb traction device for fracture patient
PendingCN119385773ARelieve painreduce mutual frictionNursing bedsPhysical medicine and rehabilitationTraction frame
The invention relates to the field of medical auxiliary instruments, in particular to a limb traction device for a fracture patient. The limb traction device for the fracture patient comprises an external fixing bracket, a traction frame, a traction piece, a driving unit and a connecting piece, the external fixing bracket is sleeved on a fractured limb of a patient; the traction frame is connected with the bed frame; the traction piece is movably connected with the traction frame, the traction piece is located over a patient lying on the bed frame, and the traction piece is connected with the external fixing support through a connecting piece; the driving unit is connected with the traction piece; the driving unit is used for driving the traction piece to move relative to the traction frame and retracting and releasing the connecting piece. The limb traction device for the fractured patient can play a role in traction and fixation of the fractured part of the lower limb of the patient, reduces mutual friction of the fractured ends of the bone, further can assist the fractured patient to turn over or change the body position, and reduces the pain of the patient.
Owner:BEIJING SHIJITAN HOSPITAL CAPITAL MEDICAL UNIVERSITY
Steel wire rope winding and unwinding device of bridge crane
ActiveCN222434003UGuaranteed service lifeWind evenlyWinding mechanismsLoad-engaging elementsWire ropeSupport plane
The utility model belongs to the technical field of cranes, and particularly relates to a bridge crane steel wire rope winding and unwinding device which comprises a mounting plate, a supporting frame is fixedly connected to the bottom of the mounting plate, a connecting plate capable of moving front and back is arranged below the supporting frame, and a mounting frame is fixedly connected to the bottom of the connecting plate. A first winding cylinder and a second winding cylinder are arranged in the mounting frame, a stabilizing frame capable of moving front and back is arranged in the mounting frame, supporting arms are fixedly connected to the two sides of the stabilizing frame, limiting holes are formed in the two supporting arms, and lifting ropes on the first winding cylinder and the second winding cylinder penetrate through the limiting holes correspondingly; the tail ends of the two lifting ropes are fixedly connected with lifting hooks; according to the lifting rope winding device, it can be guaranteed that the lifting ropes are stably wound into the rope grooves in the first winding cylinder and the second winding cylinder, so that the situation that the lifting ropes are wound together disorderly is avoided, mutual friction between the lifting ropes is reduced, and the service life of the lifting ropes is guaranteed.
Owner:HENAN YOUQI HEAVY LIFTING MASCH CO LTD
Anti-rubbing strip transfer isolation lining protection device
ActiveCN224198216Ureduce mutual frictionSolve situations prone to friction and scratchesContainers to prevent mechanical damageRigid containersStructural engineeringIndustrial engineering
The utility model discloses a rubbing strip transfer isolation lining protection device, and belongs to the technical field of rubbing strip transportation devices. The rubbing strip transfer partition lining protection device comprises a support; the first supporting pipe is fixedly connected to the bracket; the second supporting pipe is fixedly connected to the first supporting pipe; the first protective interlayer is fixedly connected to the first supporting pipe; the second protective interlayer is fixedly connected to the second supporting pipe; in the transportation process of the chafing strips, different chafing strips can be separately placed and transported, the situation that multiple sets of chafing strips are prone to mutual friction when being placed together for transportation is reduced, the situation that in the prior art, multiple sets of chafing strips are prone to mistaken friction and scratching when being placed together for transportation is effectively solved, and the transportation stability is improved.
Owner:BEIJING FOTON LOGISTICS CO LTD
A method for thinning a semiconductor structure
ActiveCN118737823Breduce defectsreduce scratchesSemiconductor/solid-state device manufacturingCrystallographySemiconductor structure
The present invention relates to a method for thinning a semiconductor structure. The method for thinning a semiconductor structure comprises: providing a semiconductor structure; the semiconductor structure comprises a front side and a back side to be thinned; providing a first substrate; bonding the front side of the semiconductor structure to one side of the first substrate, and thinning the back side of the semiconductor structure; providing a second substrate, wherein the second substrate has a first adsorption hole; arranging a buffer film on one side surface of the second substrate, wherein the buffer film has a second adsorption hole; using the second substrate to adsorb the semiconductor structure from one side of the buffer film; in the adsorption state, the first adsorption hole and the second adsorption hole are at least partially connected; and debonding the front side of the semiconductor structure from the first substrate. The method for thinning a semiconductor structure provided by the present invention can reduce defects and scratches that occur in the semiconductor structure during the debonding process.
Owner:SUZHOU EVERBRIGHT PHOTONICS CO LTD +1
High-pressure and high-temperature plunger pump packing box
ActiveCN222276910Uavoid wear and tearAvoid seal failurePositive displacement pump componentsLiquid fuel engine componentsStructural engineeringMechanical engineering
The utility model relates to the technical field of plunger pumps, in particular to a high-pressure and high-temperature plunger pump packing box which comprises a packing box body, a plunger, a packing box gland, a packing screw ring, a locking bolt, a spring, first combined packing and second combined packing. The spring is also arranged in the packing box body, the two ends of the spring are connected with the packing box body and the first combined packing respectively, the spring compresses the first combined packing, the second combined packing is arranged in the packing box gland and is locked through the packing screw ring, and the octagonal pad is arranged at the joint of the packing box body and the fluid end. And the locking bolt is arranged on the packing screw ring, so that the problems that the packing is seriously abraded, a gap between the packing and the plunger is enlarged, the sealing performance of the packing is reduced, a working medium leaks, and the maintenance workload and the labor cost of the pump are increased due to larger axial friction force and radial friction force during working are solved.
Owner:AAOAIS ENERGY TECH CHENGDU CO LTD
Multi-stage telescopic mechanical arm
The utility model discloses a multistage telescopic mechanical arm, which belongs to the technical field of mechanical arms and comprises a connecting frame, rectangular grooves are arranged at four corners of the top of the connecting frame, mounting grooves are arranged at the four corners of the connecting frame on one sides of the rectangular grooves, and limiting sliding grooves are arranged on one sides of the mounting grooves far away from the rectangular grooves. According to the multi-stage telescopic mechanical arm, by arranging a fixed inserting rod, a fixed spring, a connecting plate and a fixed bolt, the fixed bolt is loosened, the connecting plate is pushed to drive the fixed inserting rod to retract into a mounting groove, a fixed block is inserted into a rectangular groove, and a fixed inserting hole corresponds to the fixed inserting rod; a connecting plate is loosened, a fixing insertion rod is ejected out of a mounting groove and inserted into a corresponding fixing insertion hole under the springback effect of a fixing spring, and then a fixing bolt is screwed to penetrate through the connecting plate and be inserted into a corresponding positioning screw hole, so that the two groups of telescopic frames I are conveniently clamped and fixed at the bottom of the connecting plate side by side, and the two groups of telescopic frames I are combined and connected side by side; and the load capacity of the mechanical arm during stretching is improved.
Owner:PUTIAN SANXING MAGNESIUM TECHNOLOGY DEVELOPMENT CO LTD
High-wear-resistance die steel plate
ActiveCN222559775Uhigh strengthImprove wear resistanceNon-rotating vibration suppressionSheets/panelsWear resistanceCoating
The utility model relates to the technical field of die steel plates, in particular to a high-wear-resistance die steel plate which comprises a die steel plate body, the surface of the die steel plate body is connected with a wear-resistant mechanism, the wear-resistant mechanism comprises a first wear-resistant coating, and the first wear-resistant coating is located on the surface of the outer wall of the die steel plate body. The surface of the outer wall of the first wear-resistant coating is connected with a second wear-resistant coating, a buffering mechanism is fixedly connected to the periphery of the outer wall of the mold steel plate body and comprises a protection arc block, and the protection arc block is connected to the periphery of the outer wall of the mold steel plate body and attached to the outer wall of the mold steel plate body. According to the die steel plate, the abrasion resistance of the die steel plate main body can be improved through mutual matching of coatings in the abrasion-resistant mechanisms, and the problem that the coatings are damaged due to mutual friction of the surfaces of the die steel plate main bodies when a plurality of die steel plate main bodies are stacked again can be solved through mutual matching of parts in the buffering mechanisms.
Owner:ZHEJIANG FULTAI MOLD TECHNOLOGY CO LTD
A wear-resistant and crack-resistant polypropylene plastic
The present invention relates to a wear-resistant and crack-resistant polypropylene plastic, and belongs to the technical field of polymer materials. The present invention discloses a wear-resistant and crack-resistant polypropylene plastic, which comprises the following raw materials in parts by weight: 100-120 parts of polypropylene powder, 5-10 parts of solubilizer, 5-10 parts of toughening agent, 3-6 parts of a mixture of paraffin and stearic acid, 20-30 parts of filler, 1-3 parts of C5-C8 cycloalkanes, and 1-2 parts of initiator. The present invention improves the mechanical properties of polypropylene plastic by increasing the grafting rate of the solid phase grafting reaction, so that the filler can have good compatibility with polypropylene. Paraffin and stearic acid are compounded to synergistically enhance the wear resistance of polypropylene. Paraffin and stearic acid improve lubrication performance, and the toughening agent enhances flexibility and cooperates with the filler with hardness and rigidity to obtain a wear-resistant and crack-resistant polypropylene material.
Owner:JIEYANG GONGFA PLASTIC CO LTD
Photovoltaic module transfer carrier
ActiveCN222433107Ureduce mutual frictionReduce bumpsExternal framesExternal fittingsEngineering physicsMaterials science
The utility model discloses a photovoltaic module transfer carrier, and relates to the technical field of photovoltaic module transfer. The plurality of layers of supporting assemblies are arranged at intervals in the vertical direction, each layer of supporting assembly is connected with the tool frame and is configured to support a photovoltaic module, and the photovoltaic module comprises at least one supporting beam and a plurality of photovoltaic panels supported and fixed by the at least one supporting beam. The photovoltaic modules are supported through the multiple layers of supporting assemblies arranged at intervals, so that a certain gap is formed between every two vertically adjacent photovoltaic modules, the problem that every two vertically adjacent photovoltaic modules rub or collide with each other is solved, and then damage to the photovoltaic modules in the transportation process is reduced. Besides, the photovoltaic module is an assembled large-scale photovoltaic assembly, the assembly work is completed in a workshop, and only the photovoltaic module needs to be installed and fixed on a photovoltaic support after being transported to the field, so that the outdoor workload of the field is reduced, and the field installation efficiency is improved.
Owner:SHANGHAI BOLIGHTROBOTICS CO LTD
Ladder-type straight-through bridge
Owner:ZHONGYIAN CONSTRUCTION ENGINEERING (JIANGSU) CO LTD