38results about How to "Resilient" patented technology

The utility model discloses a swinging rigid separation frame which comprises a cable clamp, a connecting rod and a connecting rod, the separation frame assembly comprises a rotating shaft, a locking piece, a knuckle bearing and two arch-shaped frames, each arch-shaped frame is provided with at least two free arms connected at one end, rotating holes are formed in the positions, connected with the free arms, of the arch-shaped frames, the two arch-shaped frames are arranged back to back in the mode that the free arms face outwards, and the two ends of the rotating shaft are inserted into the rotating holes of the two arch-shaped frames respectively; the rotating shaft is rotationally matched with the rotating hole, locking pieces are arranged at the two ends of the rotating shaft, and knuckle bearings are arranged between the locking pieces and the arch-shaped frame; wherein the free end of the free arm is provided with a cable clamp. Multi-dimensional damping is provided for the inhaul cable, the frequency of the inhaul cable is adjusted, and shock absorption and vibration suppression are conducted on the cable net.

The utility model relates to a large typhoon-resistant deep sea aquaculture net cage which comprises a net cage floating body structure located under the water surface, and the net cage floating body structure is provided with at least one annular submerging and floating pipe. The upper-layer low-resistance net hanging structure is located above the net cage floating body structure, the upper-layer low-resistance net hanging structure is provided with a plurality of vertical rods which are integrally and annularly distributed at intervals, each vertical rod is provided with an upper end and a lower end, and the lower ends of the vertical rods are connected to the net cage floating body structure; the netting is integrally arranged in an internal space formed by the upper-layer net hanging structure and the net cage floating body structure, and the upper part of the netting is connected to the upper ends of the vertical rods of the upper-layer net hanging structure. According to the net cage floating body structure, at least one submerging and floating pipe forms a bearing structure to serve as a main body structure, the main body structure has the net cage submerging and floating functions at the same time, the main body structure is located at the bottom of the periphery of the net cage, and a plurality of vertical rods with enough strength are upwards used for hanging nettings. The impact pressure of stormy waves on the whole net cage is reduced, and seawater inside and outside the net cage efficiently exchanges.

The application discloses a kind of based on fan available kinetic energy and energy storage SOC state of wind storage collaborative frequency support control method, comprising: establishing direct-drive permanent magnet synchronous wind generator grid-connected model;Based on direct-drive permanent magnet synchronous wind generator grid-connected model, in direct current side and into energy storage device and carry out energy storage grid-connected DC / DC converter direct current voltage control design;Design direct-drive permanent magnet synchronous fan side converter and grid-side converter control strategy, combined with direct current side energy storage device constructs wind storage integrated system architecture;According to wind storage integrated system operating condition calculation fan rotor kinetic energy and energy storage available energy, obtain wind storage system total available kinetic energy;Based on wind storage system total available kinetic energy carries out wind storage grid-connected system side converter and grid-side converter control parameter design, proposes wind storage collaborative frequency support grid-connected strategy.The application aims at providing a kind of wind storage collaborative frequency support control method considering operating condition, can significantly improve the frequency stability of high proportion wind power system.

The anti-deformation folding battery cell described in the present invention includes a battery cell body composed of a folding diaphragm and an electrode sheet matched with the folding diaphragm; a plastic support member at least partially connected to the folding diaphragm is provided between the folding diaphragms on both sides of at least one electrode sheet and protrudes from the edge of the electrode sheet. The plastic support member is deformed after being subjected to heat pressing and diffuses to the surroundings to fill the space between the folding diaphragms and protrude from the edge of the electrode sheet, so as to achieve compact filling and deformation resistance of the edge of the folding diaphragm. The present invention deforms the plastic support member by applying external force through pressing, thereby filling the gap where the diaphragm exceeds the electrode sheet, and at the same time plays the role of connecting the diaphragm. The deformed plastic support member can effectively reduce the impact of the outer shell deformation or impact on the internal battery cell, so that the battery cell is effectively protected and will not be scrapped.

The invention relates to the technical field of polymer chemistry, in particular to a water-based acrylic emulsion and a preparation method thereof.The preparation method comprises the following steps that water and an emulsifier A are mixed according to the formula ratio, and a kettle base solution is obtained; dropwise adding the core emulsion and an initiator A solution into the kettle bottom solution, and keeping the temperature at 82-85 DEG C to obtain a first reaction solution; dropwise adding a nucleation emulsion and an initiator B solution into the first reaction solution, and keeping the temperature at 82-85 DEG C to obtain a second reaction solution; and dropwise adding the shell emulsion and the initiator C solution into the second reaction solution at 84-86 DEG C, and carrying out heat preservation at 86-88 DEG C to obtain the water-based acrylic emulsion. The acrylic emulsion with a three-layer core-shell structure is prepared according to the principle of soft inside, medium hard and soft outside, so that the prepared paint surface combines rigidity and softness, is hard and sufficient in toughness, and meets the performance requirements of the finish paint in the water-based automobile coating.

The invention relates to the technical field of water-based building coatings, and discloses a high-adhesion putty-free micro pottery stone art paint and a preparation process thereof, and the art paint is prepared from deionized water, multifunctional amino alcohol, polyether modified phosphate, calcined ceramic microbeads, a carboxyl acrylate emulsion, nano silica sol, an ammonium zirconium carbonate solution and other raw materials. According to the invention, a pH responsive latent curing system is constructed by utilizing the coordination shielding effect of multifunctional amino alcohol and zirconium ions, so that the contradiction between the storage stability and rapid curing of a single-component coating is solved; through the physical permeation of the nano silica sol and the chemical bonding of phosphate-zirconium-calcium ions, the super-strong anchoring of the coating on a cement base material is realized; and in cooperation with an interpenetrating network structure formed by ceramic microbeads with specific gradation, internal stress is effectively dissipated. The product disclosed by the invention can be directly and thickly coated on a cement base surface without cracking, has excellent water resistance, scrubbing resistance and high simulation texture, is simplified in process, and is environment-friendly and efficient.

The utility model provides a folding garbage can which comprises an upper can portion and a PP binding band, convex buckles are symmetrically and fixedly installed on the left side and the right side of the upper can portion, and the two ends of the PP binding band are detachably installed through universal opposite buckles and the convex buckles. Anti-skid nails are arranged at the bottom of the lower barrel part, a mounting groove is formed in the lower edge of the rear wall of the lower barrel part, and a hanging rod is arranged between the left side wall and the right side wall of the mounting groove; the fixing belt comprises a rotary hook matched with the hanging rod, and the fixing belt is detachably installed on the lower edge of the rear wall of the lower barrel part through the rotary hook and the hanging rod. The side wall of the TPE folding part is a thermoplastic elastic corrugated wall; the upper edge of the TPE folding part is fixedly connected with the lower edge of the upper barrel part, and the lower edge of the TPE folding part is fixedly connected with the upper edge of the lower barrel part. According to the utility model, fixing modes such as bandages, buckles, hooks and the like are adopted, so that diversified scenes can be adapted, and the folding design can save space and is convenient to carry; and meanwhile, the rebound type can cover can reduce the dissipation of peculiar smell.

The application belongs to the technical field of power cables, and particularly relates to a HC type fire-resistant cable for ships and marine engineering and a processing method. The HC type fire-resistant cable comprises a cable core, an outer fire-resistant layer, an armored layer and an outer sheath layer from inside to outside. The outer fire-resistant layer comprises an oxygen barrier layer and a heat insulation layer from inside to outside. The heat insulation layer is a ceramicized polyolefin, and the composition comprises EVA, ceramicized filler, a first additive, an antioxidant and a lubricant. The ceramicized filler is a mixture of rounded corner crystalline silicon powder, sepiolite fiber, low-melting point glass powder and zinc borate. The first additive is a mixture of oligomeric siloxane, perhydropolysilazane and aramid powder. The HC type fire-resistant cable for ships and marine engineering provided by the application can only pass the HC fire-resistant 1100 DEG C+ impact test, and has excellent oil resistance and mechanical impact resistance.

The present invention provides a surfacing flux-cored welding wire and a preparation method and a welding method thereof, and specifically relates to the field of welding materials. The surfacing flux-cored welding wire of the present invention comprises a steel strip and a flux core filled in the steel strip, and the flux core comprises the following components by mass percentage: 40-55% of medium carbon ferrochrome, 9-17% of metallic chromium, 3-5% of metallic manganese, 5-8% of ferrosilicon, 2-3% of nickel powder, and the balance is iron powder. The surfacing flux-cored welding wire of the present invention has excellent wear resistance, and the deposited metal has high hardness, strength and toughness, can effectively control the generation of cracks in the deposited metal of the surfacing layer, prevent it from falling off, and is suitable for repairing cold rolling rollers.

The special sealing ring for the mine oil cylinder comprises a sealing body and guide supporting rings arranged on the two sides of the sealing body, a sealing lip is arranged on the outer side of the sealing body, and the sealing lip is in transition connection with the end face of the sealing body through an inclined face. A self-lubricating oil groove is formed in the inner side of the sealing body. According to the utility model, bidirectional guide support is added, so that the stability of vertical movement of the oil cylinder is improved; the self-lubricating oil groove is additionally formed in the bottom of the sealing body, so that the product can achieve the self-lubricating performance, buffering extrusion can be achieved in the working process of the sealing body, and the sealing effect is enhanced; the sealing ring is simple in structure and convenient to maintain and install, the production time of the sealing ring can be saved, and therefore the damaged sealing ring in the production process can be replaced in time; the structure is simple, and the manufacturing size of the sealing ring can be conveniently adjusted according to the on-site workpiece abrasion condition so as to be suitable for the mine oil cylinder.

The invention relates to the technical field of thermal interface materials, in particular to a self-rebounding tubular composite heat conduction pad based on metal aerogel as well as a preparation method and application of the self-rebounding tubular composite heat conduction pad. The self-rebound tubular composite heat-conducting pad prepared by the invention is a key material for guaranteeing stable heat dissipation of an electronic system in the field of semiconductors, is single in component, low in thickness (30 microns) of a bonding area, excellent in rebound resilience, free of flowability and anti-aging, does not have the phenomena of liquid pumping out, soldering flux volatilization and the like in the packaging process, and is suitable for large-scale production. The problems that a traditional heat-conducting silicone grease paste is aged and layered after being pumped out, a heat-conducting gasket is thick and high in heat resistance, and scaling powder volatilizes in the using process of an indium sheet can be solved, and therefore better production stability and performance reliability are achieved.

The utility model relates to the field of cutting tool bits, and discloses a high-temperature-resistant cutting tool bit which comprises an installation column, an installation module is fixedly arranged on one side of the installation column, a cutting module is arranged on the front end face of the installation module in a clamped mode, a fixing module is fixed to the front end face of the installation module through a bolt, and the installation module comprises a fixing column. A water storage box is arranged on one side of the interior of the fixing column, a conveying pipe is fixedly arranged on one side of the water storage box, the cutting module comprises a mounting block, a cutting knife is fixedly arranged on one side of the mounting block, clamping holes are formed in the upper portion and the lower portion of the front end face of the mounting block, and the fixing module comprises a connecting block. According to the utility model, after the cutting module and the mounting module are connected, the mounting module and the fixing module can be connected, the cutting module and the mounting module can be connected more firmly through the fixing module, and when the cutting module is damaged, a worker can replace the cutting module by disassembling a bolt and the fixing module.

The present invention discloses a one-component toughened thermal conductive epoxy resin film and its preparation. It consists of the following components in weight percentage: 30-40% of epoxy resin, 10-30% of modified toughened resin, 5-20% of toughening agent, 1-10% of curing agent, 30-50% of thermal conductive filler, and 1-10% of thixotropic agent. Among them, the modification method of the modified toughened resin is to mix the resin, catalyst and strong base, heat them, then treat and dry the resin for standby. The percentage content of raw materials is 1-10% of toughening resin, 0.1-1% of catalyst, 0.5-3% of strong base, and the rest is solvent. The modification method of the thermal conductive filler is to mix the thermal conductive filler, coupling agent and organic acid, heat and react them, then wash and dry them for standby. The percentage content of raw materials is: 10-20% of thermal conductive filler, 1-5% of organic acid, and 0.5-3% of coupling agent, with the balance being solvent. The present invention uses epoxy resin and modified toughened resin as the composite matrix to prepare a room-temperature storage, tough and thermal conductive epoxy resin, meeting the actual application requirements in terms of thermal conductivity, adhesion, etc.

The invention relates to the technical field of pencil lead production, and discloses a pencil production forming device with an automatic cutting-off function, which comprises a bottom plate, two fixing frames are fixedly welded on the outer wall of the top of the bottom plate, an extrusion cylinder is fixedly mounted on one side, far away from the bottom plate, of each fixing frame, and a mounting plate is fixedly mounted on the top of the bottom plate. A hydraulic rod is fixedly mounted on the outer wall of the mounting plate, and a collecting plate is movably connected to the side, away from the bottom plate, of the air heater. According to the pencil production forming device with the automatic cutting-off function, mixed raw materials of graphite and clay are put into a discharging hopper, the raw materials are extruded and formed into pencil leads, the pencil leads are cut, the pencil leads are poured onto an inclined plate through an arc-shaped plate, the pencil leads roll into a collecting plate, and the collecting plate is used for collecting the pencil leads; the pencil leads entering the collecting plate are dried by the air heater, and the problems that the cut pencil leads can be stacked together, the pencil leads can deform, workers need to move and separate the pencil leads, operation is tedious, and the workload of the workers is increased are solved.

The utility model discloses a piston multi-cylinder type squeezer in the technical field of squeezing equipment, which comprises a plurality of outer cylinders, piston plates movably arranged in the inner cylinders and a driving device for driving the piston plates to move up and down for squeezing, each outer cylinder is provided with an inner cylinder with a plurality of micropores, and the outer cylinders are connected with liquid discharge pipes. An elastic turning piece is fixedly connected between the piston plate and the corresponding inner cylinder, and the turning piece turns over the fruit grains after being curled and stretched. And the turning piece turns over the fruit grains in the bending and stretching process, so that manual shoveling for loosening and dispersing the fruit grains is not needed.

This invention relates to the field of yarn tension control technology for winding machines, providing a pre-tensioning device and control method for winding machines, aiming to solve the quality problems caused by tension fluctuations in high-twist yarns during the winding process. The pre-tensioning device includes a fixed frame, a movable frame, a torque spring, an adjusting nut, and a plastic bearing. Rotating the adjusting nut changes the preload of the torque spring on the movable frame, thereby adjusting the output tension. The device utilizes the resilience of the torque spring to buffer and compensate for yarn tension fluctuations, reducing yarn vibration and lowering the probability of yarn kinking, webbing, and bobbin defects. The control method includes steps such as yarn preparation, yarn insertion, tension application, winding, yarn detection, and cutting, ensuring stable yarn tension and improving bobbin quality. This invention has a simple structure, low cost, is easy to install and maintain, and is suitable for various yarn types and process requirements.

The invention discloses a powder metallurgy manufacturing method for a heavy truck power steering oil pump stator, belonging to the technical field of oil pumps for oil drilling. The method comprises preparing raw materials according to the proportion of amorphous calcium phosphate powder 0.8-3.5%, polyvinyl alcohol powder 1.2-4%, molybdenum powder 0.5-2%, tungsten powder 0.3-1.3%, nickel powder 1.6-5%, graphite powder 0.3-0.8%, zinc stearate 0.2-0.7%, molybdenum disulfide 0.5-1%, and the balance iron powder, and mixing the raw materials uniformly and performing specific pressing, crystallization and sintering processes to prepare the heavy truck power steering oil pump stator. The heavy truck power steering oil pump stator of the invention greatly improves the problems of brittle fracture, deformation or wear of the stator during impact or friction, thereby adapting to the use environment of the oil pump stator of heavy trucks and ensuring the stable use of the power pump.

The invention relates to the field of refractory materials, and discloses a composite fireproof plate and a preparation method thereof. The composite fireproof plate comprises a ceramization composite layer located on the upper layer and a non-ceramization composite layer located on the lower layer. The ceramizable composite layer comprises a ceramizable polymer film and inorganic fiber cloth which are stacked in a staggered manner; the non-ceramic composite layer comprises a non-ceramic polymer film and inorganic fiber cloth which are stacked in a staggered manner, and a ceramic polymer film is arranged on the outer side of the ceramic composite layer; a non-ceramic polymer film is arranged on the outer side of the non-ceramic composite layer; heat-resistant nanoparticles are attached to the surface of the inorganic fiber cloth; and in the aspects of thickness and gram weight, the inorganic fiber cloth positioned on the ceramizable composite layer is larger than the inorganic fiber cloth positioned on the non-ceramizable composite layer. The composite fireproof plate has a superposed structure of the heat insulation layer, the impact buffer layer and the structural strength layer, has the advantages of light weight, high strength, fire resistance, heat insulation and toughness, and particularly has excellent impact resistance to high-temperature particles.

This application discloses an air conditioner cleaning nozzle, belonging to the field of cleaning technology. The air conditioner cleaning nozzle includes a threaded head, one end of which is provided with a pipe mechanism. The pipe mechanism includes an extension hose fixedly connected to one end of the threaded head, and the threaded head is connected to the extension hose. Multiple connecting strips are fixedly connected to the outer wall of the extension hose, and each connecting strip has a through-groove. By installing fixing wires within the multiple connecting strips on the outer wall of the extension hose, the fixing wires possess excellent shaping ability, allowing them to bend freely according to the complex internal structure of the air conditioner, easily reaching narrow corners or curved pipes. This overcomes the limitations of traditional straight nozzles that cannot reach dead angles, ensuring that the cleaning agent covers all parts of the air conditioner's interior. Simultaneously, the fixing wires are also flexible, not easily springing back after bending, allowing the extension hose to stably maintain the required shape, avoiding incomplete cleaning due to hose displacement during the cleaning process, and improving cleaning efficiency and accuracy.

The utility model provides a multi-contact vehicle machine screen detection device. The device can simulate multi-point touch operation; controlling the pressure of the clamping device; the lens is adapted to a curved screen; the screen zooming function can be detected. The specific functions of the device are realized as follows: the end effector controls the micro conductive silica gel disc to be powered on and powered off, a complex multi-contact operation scene is simulated, and the reliability and the accuracy of the multi-contact function of the vehicle machine screen are detected. A lifting type clamping base is adopted, so that the clamping pressure and the clamping size can be adjusted; and the loss caused by improper clamping can be effectively reduced. The five auxiliary touch control rods can stretch out and draw back within a certain range under the action of built-in springs, so that the touch control rods can better adapt to a curved screen; the slotted disc can limit the contraction and expansion of the elastic touch control assembly within a certain range, and the elastic touch control assembly is driven to slide on the screen under the action of the slotted disc through the on-off of the miniature conductive silica gel disc on the screen so as to realize the zooming function.

The utility model discloses a full-paper annular cavity buffering lining which is formed by integrally folding a piece-type corrugated board, and the formed three-dimensional full-paper annular cavity buffering lining can be folded into a piece-shaped structural body again. The full-paper annular cavity buffering lining comprises an annular cavity inner wall, an annular cavity outer wall, a bottom support and an elastic buffering structure clamped between the annular cavity inner wall and the annular cavity outer wall, the annular cavity inner wall is connected with the annular cavity outer wall through a connecting piece, and the elastic buffering structure and the bottom support are formed by outwards extending and folding the annular cavity outer wall. And M-shaped buffer structures are arranged on the two sides. The buffering ring cavity is formed through the designed elastic buffering structure, a packaged product is placed in a space formed by the inner walls of the ring cavity, when the product is impacted, the M structure similar to a spring can effectively release impact force and has rebound resilience, the square structure supplements the elasticity of the M structure, and therefore the packaging effect is improved. And the package is prevented from being damaged after being impacted and the package function is prevented from losing efficacy.

The fixed type dura mater pulling device comprises a vertical supporting plate and a pulling plate which is connected to the bottom of the lower end of the supporting plate and bent leftwards in an arc mode, the front end and the rear end of the supporting plate are connected with connecting plates which pull the operating distance rightwards, and the right ends of the connecting plates are connected with a fixing mechanism fixed to a vertebral body. The fixing mechanism is used for fixing the supporting plate, the pulling plate supports the dura mater, a gap is formed in the bottom, and operation is convenient. The dura mater is pulled open through the supporting plate and the pulling plate, then a vertebral body is punched, a kirschner wire is inserted into the vertebral body, fixing is achieved, the bottom of the dura mater is pulled open through the pulling plate, an operation space is generated, and therefore the kirschner wire is used for fixing, two hands are liberated, and the operation is easier and safer. The rotating handle is rotated, the lower end of the extrusion rod extrudes the push block, the pull plate rotates around the supporting plate, the bottom gap is changed, and therefore the bottom operation space is changed.

The application discloses a kind of high light transmittance high toughness polyvinyl alcohol hydrogel and preparation method thereof, belong to high polymer new material technical field.The hydrogel uses the trimer formed by 2-hydroxyphenyl boronic acid in the mixed solution of water and organic solvent as crosslinking agent, and polyvinyl alcohol is formed into homogeneous solution under heating stirring, and pre-gel is obtained by centrifugal defoaming, standing, and finally solvent replacement is obtained high light transmittance high toughness polyvinyl alcohol hydrogel, structure is as shown in formula (I), wherein, m is the integer of 1~100, n is the integer of 5~2000.The method is simple and easy to operate, and the condition is mild, without high temperature and high pressure or repeated freeze-thaw, and the forming cycle is short.The obtained hydrogel has excellent light transmittance and high toughness, and can be widely applied in optical devices and industrial bearing fields.The achievement provides a new strategy for preparing high-performance polyvinyl alcohol hydrogel.

This utility model discloses a connection structure for irrigation pipes, including a main component; a first water pipe assembly connected inside one side of the main component; a second water pipe assembly connected inside the main component on the side away from the first water pipe assembly; and locking members installed on the main component. Both the first and second water pipe assemblies are fixed to the main component by the locking members. This utility model utilizes the structure of the main component and the water pipes themselves for interlocking, and then uses the locking members in conjunction with the main component to fix the first and second water pipe assemblies to the left and right sides of the main component respectively. The three sets of locking members form a triangular structure, providing good connection stability. This solves the problem that using an electric telescopic rod to clamp and seal the first and second irrigation pipes requires power; if the electric telescopic rod runs out of power, it will be unusable, thus preventing a proper seal between the pipes.

The utility model discloses anti-deformation cigarette paper and a cigarette. The anti-deformation cigarette paper comprises a heat conduction layer, a tough layer, connecting layers and a paper layer, the heat conduction layer is used for conducting heat in the thickness direction of the heat conduction layer, the tough layer is of a tough net structure, and the heat conduction layer and the paper layer are connected to the two sides of the tough layer through the connecting layers. The utility model further discloses a cigarette prepared from the cigarette paper. The whole cigarette paper has high strength, deformation of the cigarette paper during processing or using is prevented, the cigarette paper has certain rebound resilience, it is guaranteed that the appearance of a cigarette is stable, the diameter size of the cigarette and the appearance of a finished product have good stability, and the cigarette processing efficiency is improved.

The application provides a SiC aerogel material, a preparation method and application thereof. The preparation method comprises the following steps: (1) taking silicon powder as a silicon source and a carbon-containing halide as a carbon source, mixing the silicon powder and the carbon-containing halide according to a proportion to obtain raw material powder, and obtaining mixed powder after pretreatment; (2) placing the obtained mixed powder into a combustion synthesis reaction kettle, then introducing high-purity argon with a certain pressure, igniting the mixed powder to occur combustion synthesis reaction through a tungsten wire coil, and obtaining a carbon-rich SiC aerogel block; and (3) oxidizing and removing carbon from the obtained carbon-rich SiC aerogel block at a certain temperature to obtain a layered nanowire-stacked SiC aerogel. The preparation method has the advantages of simple production process, short cycle, easiness in large-scale production, cheap and easily-obtained raw materials, and the obtained SiC aerogel has the characteristics of low density, high porosity, large specific surface area, good thermal stability and chemical stability, and has a wide application prospect in the fields of heat insulation, energy storage, catalysis, environment, electromagnetic wave absorption and electromagnetic interference shielding.

This invention discloses a multi-colored artistic paint that does not require multiple color particles for tinting and its preparation method, comprising the following steps: adding 50-70 parts by weight of modified base paint and 10-20 parts by weight of continuous phase to 20-30 parts by weight of protective colloid solution, dispersing at high speed until a set fine particle state is achieved, then adding 1-5 parts by weight of pigment, stirring at low speed until uniform, and discharging. This invention simplifies the process of separate tinting and group granulation of color particles, requiring only the production of one white paint product. Tinting can be directly performed on the finished paint, and it can be applied directly after tinting, displaying the effect of multiple color particles, with a strong texture, good feel, certain thickness and toughness, good crack resistance and scratch resistance, achieving free tinting, and ready for immediate use.

This utility model relates to the field of welding slag removal technology and discloses a device for removing welding slag from the bottom slide rail of an automobile seat. The device includes a main shell with a movable opening slot at the top and a welding slag collection bin at the bottom. An arc-shaped groove plate is fixedly connected to the inner wall of the main shell. A movable slide rod is fixedly connected to the inner wall of the main shell. A cylinder slider is movably connected to the outer side wall of the movable slide rod. A rotary motor is fixedly connected to the top of the cylinder slider, and a grinding steel wire wheel is fixedly connected to the top of the rotary motor. This utility model, by incorporating a slide rod and a cylinder slider, provides a more compact structure compared to other types of cylinders, which helps save installation space and enables efficient pneumatic control even in limited spaces. The installation and disassembly process of the sliding cylinder is relatively simple, reducing installation costs and time and improving work efficiency.

The invention relates to the technical field of waste gas separation and recovery, in particular to a waste gas recovery device and equipment provided with the same. According to the waste gas recovery device and the equipment provided with the waste gas recovery device, spraying treatment, spraying treatment, waste gas separation and recovery and equipment improvement are sequentially carried out on soft materials to be treated in the first spraying chamber, the second spraying chamber and the third spraying chamber through the waste gas separation and recovery device, and the purposes of improving the equipment structure, improving the product quality, reducing the production cost and the like are achieved. The production efficiency is improved; and waste gas is separated and recycled in an environment-friendly manner.

The utility model relates to the technical field of EVA sheets, in particular to a tear-resistant EVA sheet which comprises a sheet body, a connecting layer is arranged on the outer side of the sheet body, a buffering assembly is arranged in the connecting layer, and a tear-resistant assembly is arranged at the end, away from the sheet body, of the connecting layer. A breathable layer is arranged at the end, away from the connecting layer, of the anti-tearing assembly, and a wear-resisting layer is arranged at the end, away from the anti-tearing assembly, of the breathable layer. The anti-tearing assembly is used for improving the anti-tearing effect of the sheet main body; the buffering assembly is used for improving the buffering effect of the sheet body, the anti-tearing assembly is composed of transverse tensile strips and longitudinal tensile strips, the transverse tensile strips are located at the end, away from the sheet body, of the connecting layer, and the longitudinal tensile strips are located on the outer sides of the transverse tensile strips and located on the outer side of the connecting layer. Compared with the existing EVA sheet material, the EVA sheet material has the advantage that the overall practicability of the EVA sheet material can be improved through the design.