97results about How to "Reduce direct friction" patented technology

The invention provides a surface cubic-phase-rich functional modified hard alloy and a preparation method, and belongs to the technical field of hard alloy cutter materials. According to the method, tungsten carbide is subjected to yttrium doping treatment, boron-containing titanium carbide and cobalt-molybdenum composite powder are used together, a nitriding sintering process is combined, diffusion and permeation of nitrogen atoms are promoted, the microstructure of the alloy is regulated and controlled, enrichment of a cubic phase on the surface of the alloy is achieved, and the surface-rich cubic phase functional modified hard alloy is obtained; the Vickers hardness and the heat conductivity coefficient of the hard alloy material are effectively improved, and meanwhile the friction coefficient of the material is reduced; the surface layer rich cubic phase of the modified hard alloy material is provided with the functional gradient layer, the binding force of a coating of a tool material prepared from the modified hard alloy material and a matrix can be improved, and therefore the service life of the tool material is prolonged.

The invention relates to a lifting type net cage culture structure based on a fan single-pile foundation, and the structure comprises the fan single-pile foundation which is used for being inserted into a seabed; the net cage is arranged on the fan single pile foundation in a lifting and sleeving manner in the height direction; the guide mechanism comprises a guide piece extending in the height direction, the guide piece is fixedly connected to the fan single pile foundation, and the net cage is arranged on the guide piece in a sliding mode. The lifting type net cage culture structure based on the fan single pile foundation has high safety and stability.

The utility model provides a high-precision guide lifting device, which is applied to the technical field of lifting machines and is characterized in that a guide post is arranged on a support frame of the lifting device, so that a top plate in the support frame moves along the guide post in the lifting process, and a limiting mechanism is arranged at the lifting upper and lower limit positions of the top plate; meanwhile, a driving motor of the guide lifting device is connected with a control mechanism, and when the top plate moves to the limiting mechanism at the upper and lower limit positions, the control mechanism controls the driving motor to stop so as to control accurate lifting of the top plate; compared with the design of a lifting system with gears, cables and chains, the lifting system has higher precision, and can ensure the lifting consistency and stability of the top plate.

The utility model relates to the technical field of coil stock processing and production, in particular to a winding device with a deviation rectifying function, which comprises a rack, winding rollers are arranged on two oppositely arranged side walls of the rack, guide wheels are symmetrically arranged at four corners of the bottom of the rack, two bases are symmetrically arranged below the rack, and the two bases are arranged on the two sides of the rack. Two sliding rails parallel to the central axis of the winding roller are symmetrically arranged on each base, the rack is installed on the sliding rails of the bases through guide wheels and is in sliding fit with the bases, one side of the rack is fixedly connected with a connecting piece, the connecting piece is in threaded connection with a lead screw, the lead screw is fixedly connected with the driving end of a deviation rectifying motor, and the deviation rectifying motor is connected with the driving end of the winding roller. And the screw rod is parallel to the central axis of the winding roller. The problems that in the winding process of coil materials, the phenomenon that the coil materials deviate easily occurs, the quality of coil material products is reduced, material waste is increased, the production efficiency is reduced, and the risk of damage to equipment is high can be solved.

The utility model relates to a telescopic cable laying device with a self-adaptive guiding function. The utility model is suitable for the technical field of cable laying. The technical problem to be solved by the utility model is to provide the telescopic cable laying device with the self-adaptive guiding function. According to the technical scheme, a barrel is axially through, a convex ring is arranged at the front end of the barrel, the outer diameter of the convex ring is gradually reduced from back to front, and a notch is annularly formed in the convex ring; a plurality of clamping arms are annularly hinged to the outer wall of the barrel through hinge structures, and the free ends of the clamping arms extend towards the rear portion of the barrel and are provided with pulleys. A tension spring is arranged between the middle of each clamping arm and the outer wall of the barrel, the tension springs and the clamping arms are located on the same plane, and the connecting ends of the tension springs and the barrel are arranged on the side, close to the protruding ring, of the hinge structure and used for pulling the clamping arms open. The cable penetrates through the cylinder body, when the cable is laid in a pipeline, one end, provided with the pulley, of the clamping arm is supported in the pipeline, and the cylinder body and the cable integrally slide.

The utility model discloses an automobile big box with a mounting mechanism, which relates to the technical field of automobile accessories and comprises a frame and a connecting rod, a box body is arranged above the frame, a fixing frame is welded at the rear end of the frame, and the connecting rod matched with the fixing frame is welded at the bottom of the rear end of the box body. According to the automobile large box frame with the mounting mechanism, the base at the front end is provided with a positioning groove, when a positioning rod at the bottom of a box body is embedded into the base, a circular-truncated-cone-shaped connecting block at the bottom of the positioning rod can abut against a triangular clamping block in the base, and when the connecting block moves downwards, the clamping block can be pushed to move towards one side of the connecting block; after the connecting block moves downwards and does not abut against the clamping block, the clamping block resets along with the elastic effect of the spring, the clamping block is located at the upper end of the connecting block, the clamping block, the connecting block and the positioning rod are in clamped connection, the front end of the box body and the frame can be more easily, conveniently and rapidly assembled and disassembled, the operation time is greatly shortened, and the working efficiency is improved. And the working efficiency is improved.

The utility model relates to the field of fabricated buildings, and particularly provides a locking structure of a scooter folding mechanism. The plate trailer comprises a plate trailer body, a mounting seat is arranged at the top of the plate trailer body, and a locking mechanism is arranged at the front end of the top of the mounting seat. According to the foldable scooter, the scooter rod and the weight of a rider are stably supported, the folding and locking functions are ingeniously designed, the scooter rod serves as a main support of the scooter and needs to be firm enough to provide stable control, the first rotating shaft enables the scooter rod to be foldable, carrying in urban travel and public transportation is facilitated, an inner groove and a claw hook groove are tightly combined with the locking mechanism, and the scooter rod can be folded conveniently. Strength is transmitted through the connecting rod, it is ensured that the locking buckle tightly locks the bicycle rod, and additional safety is provided.

The utility model relates to the technical field of garbage recycling, in particular to a discharging mechanism of a dehydrator. The shell cover detachably covers the upper part of the shell; the feeding hole is formed in the shell cover and is vertically formed in the vertical direction of the shell; the discharging hole is formed in the lower end of the shell; the screen is rotationally arranged in the shell and is used for separating water in garbage; the centrifugal rotating assembly is rotationally arranged in the machine shell and used for driving garbage in the screen to do centrifugal motion, and the differential motion assembly is arranged in the machine shell and used for driving the screen and the centrifugal rotating assembly to do differential rotation. The anti-abrasion assembly is arranged on the inner wall of the machine shell and located below the screen, and the water collecting tank is fixedly arranged in the machine shell and surrounds the outer wall of the screen. The device aims at reducing the abrasion effect of garbage discharged out of the centrifugal cylinder on the inner wall of the machine shell as much as possible.

The invention relates to the technical field of energy storage connectors, in particular to a waterproof energy storage connector which comprises a mounting seat and a plug seat, a first conductive terminal is arranged on one side of the mounting seat, a second conductive terminal is arranged on the other side of the mounting seat, a butt joint sleeve is arranged in the plug seat, and a third conductive terminal is arranged in the butt joint sleeve. An extrusion assembly is rotationally connected to the second conductive terminal, two triggering assemblies are symmetrically arranged at the end, away from the mounting base, of the extrusion assembly, the extrusion assembly is driven to work through the triggering assemblies, a first annular air bag is extruded, air in the first annular air bag is exhausted into a second annular air bag, and then a second rubber ring is jacked up to abut against the inner wall of the butt joint sleeve; forming a plurality of layers of waterproof barriers; and secondly, the second rubber ring is jacked up through automatic inflation, in the clamping process of the butt joint sleeve, the second rubber ring slowly rises from the interior of the annular clamping groove to abut against the inner wall of the butt joint sleeve, direct friction and abrasion between the second rubber ring and the inner wall of the butt joint sleeve are reduced through the gradual contact mode, and the waterproof effect is effectively improved.

The utility model relates to the technical field of storage equipment, in particular to a waste slurry storage tank. Comprising a support frame, a storage tank, a stirring mechanism, a mounting seat, bolts, a fixing frame, a water distribution pipe, nozzles, a connecting pipe and the like, a storage tank is arranged on the upper side of the supporting frame, a feeding port and a discharging port are formed in the upper side and the lower side of the storage tank respectively, a stirring mechanism is arranged in the storage tank, a mounting port is formed in the upper side of the storage tank, a mounting seat is slidably arranged in the mounting port and fixed to the storage tank through bolts, a fixing frame is arranged on the lower side of the mounting seat, and a water distribution pipe is arranged on the fixing frame. A plurality of nozzles are uniformly arranged on the lower side of the water distribution pipe. Through the design of the water distribution pipe, the spray head and other components, the cleaning device can be matched with a stirring mechanism to clean the interior of the storage tank, the manual cleaning cost is reduced, and through the design of the mounting base, the bolt, the water pipe connector and other components, the mounting base can be quickly disassembled, so that the water distribution pipe, the spray head and other components can be independently cleaned or replaced.

The utility model relates to the technical field of press block wear-resistant gaskets, and one embodiment of the utility model provides an automatic press block wear-resistant gasket feeding device which comprises an assembling mechanism, a centrifugal disc mechanism is arranged on the left side of the assembling mechanism, and a placing mechanism is arranged on the front side of the assembling mechanism. According to the automatic feeding device for the wear-resistant liners of the pressing blocks, the wear-resistant liners on the linear track are blown through the air pump and the air pipe, the wear-resistant liners are rapidly moved to the rightmost end of the track under the action of air pressure, and compared with a traditional automatic feeding device for the wear-resistant liners of the pressing blocks, the automatic feeding device for the wear-resistant liners of the pressing blocks blows the wear-resistant liners through the air pipe. Direct friction between the liner and the surface of the track is reduced through airflow pushing, the service life of the track is prolonged, meanwhile, the feeding speed is remarkably increased, the material blocking risk is reduced, and use is convenient; by means of the technical scheme, the technical problem of rail abrasion in the related technology is solved.

The utility model relates to the technical field of cables, in particular to a wear-resistant automobile cable which comprises a charging cable, one end of the charging cable is fixedly connected with a plug, the other end of the charging cable is fixedly connected with a charging gun, the outer surface of the charging cable is evenly sleeved with a plurality of rubber sleeves in a sliding mode, and the rubber sleeves are fixedly connected with the charging gun. A plurality of balls are evenly embedded in the rubber sleeve and made of metal, a plurality of rectangular holes are evenly formed in the arc face of the rubber sleeve, a plurality of longitudinal strips are evenly and fixedly connected to the inner side of the rubber sleeve, the cross section of each longitudinal strip is in an isosceles triangle shape, and a plurality of elastic pieces are fixedly connected to the two ends of the rubber sleeve. According to the utility model, through the arrangement of the structure, the direct contact between the charging cable and the ground in the process of dragging the charging cable on the ground is avoided, the wear-resistant effect in the automobile charging process and the charging cable moving process is facilitated, and the service life of the automobile charging cable is prolonged to a certain extent.

The application relates to the technical field of automobile part molds, and discloses an automobile part mold guide column, which comprises a lower mold and an upper mold, wherein the upper mold is located above the lower mold. The automobile part mold guide column is provided with a soft sleeve outside the ball guide column, can play a buffering and isolating role when the mold and the ball guide column relatively move, and the soft sleeve made of polytetrafluoroethylene has very low friction coefficient and good self-lubricating property. When the guide hole of the mold is in contact with the ball guide column and relatively slides, the soft sleeve first contacts the inner wall of the guide hole, the soft and smooth surface of the soft sleeve can effectively reduce the direct friction force between the two, the surface material of the ball guide column or the guide hole of the mold is prevented from being scraped and worn due to high-intensity friction, meanwhile, the soft sleeve can also fill the possible tiny gap between the ball guide column and the guide hole, the movement is more stable, the additional friction and wear caused by shaking and impact are reduced, and the pulling phenomenon of the ball guide column and the mold is avoided.

This application provides a beverage device, relating to the field of beverage equipment technology. The beverage device includes a frame, a brewing assembly, a liquid injection pipe, and a scraping assembly. The brewing assembly is mounted on the frame and includes a brewing chamber and a liquid injection hole, with the liquid injection hole communicating with the brewing chamber. The liquid injection pipe is located outside the brewing assembly, opposite to the liquid injection hole, and is movably connected to the frame. The scraping assembly includes a scraping rod and a transmission linkage. The scraping rod is located at the top of the brewing assembly and is used to push the extracted residue at the top of the brewing assembly out of the brewing assembly during rotation. One end of the transmission linkage is fixedly connected to the scraping rod, and the other end is drivenly connected to the liquid injection pipe. The transmission linkage is used to drive the scraping rod to rotate during rotation and to drive the liquid injection pipe to insert or remove from the brewing assembly, thereby connecting or separating the liquid injection pipe from the liquid injection hole. This beverage device has a simple structure, is easy to assemble, and has low cost.

The utility model relates to the technical field of conveyors, in particular to a belt type horizontal turning conveyor deviation rectifying device which comprises a conveying roller and a supporting assembly, a first supporting piece and a second supporting piece are arranged on the supporting assembly and coaxially installed, a plurality of sets of inner holes are formed in the first supporting piece at equal angles, and a plurality of sets of inner holes are formed in the second supporting piece at equal angles. Multiple groups of through holes are formed in the second supporting piece at equal angles, the multiple groups of inner holes and the through holes are formed in one-to-one correspondence along the mounting axes of the first supporting piece and the second supporting piece, the two ends of the conveying rollers are arranged in the inner holes of the first supporting piece and the through holes of the second supporting piece correspondingly, and a conveying belt is mounted on the multiple groups of conveying rollers in a rolling mode; multiple sets of positioning pieces are arranged on the outer wall, located on one side of the second supporting piece, of the conveying belt at equal intervals, rolling wheels are coaxially arranged on the positioning pieces, a limiting assembly is arranged on the second supporting piece, and the multiple sets of rolling wheels are arranged in an inner groove of the limiting assembly; the driving assembly is used for driving a group of conveying rollers at the edge to provide rotating power; and the deviation rectifying stability is high.

The utility model relates to the technical field of screw extrusion, in particular to an outlet back pressure mechanism of a screw extruder, which comprises a back cone component, a connecting component and a driving mechanism, the back cone assembly comprises a back cone and a connecting ring, the back cone is formed by combining two half cones, a connecting disc extending outwards is arranged at the end of the back cone, and the connecting disc is detachably connected with the connecting ring; the connecting assembly comprises a push ring and a shell cover, the push ring is connected with the connecting disc through the shell cover, the driving mechanism is connected with the push ring, and idler wheels are further arranged between the push ring and the connecting ring. The back cone assembly is formed by combining the two half cones and is of a modular design, when replacement or cleaning is needed, the back cone assembly can be easily disassembled and reassembled, overall replacement is not needed, the maintenance difficulty and cost are reduced, and the technical problem that an existing tail cone back pressure unit is tedious to disassemble and assemble can be solved.

The utility model relates to mechanical design technical field discloses a high accuracy balance air conditioner engine crankshaft, including front end spindle neck, the front end spindle neck rear side fixedly connected with first connecting sleeve, first intermediate spindle neck is fixedly connected with first connecting sleeve rear portion, first intermediate spindle neck outside fixedly connected with front balance ring, first intermediate spindle neck left and right sides all fixedly connected with primary crank arm, primary crank arm inside fixedly connected with primary connecting rod axle neck, primary crank arm bottom fixedly connected with primary crank balance weight, the crank balance weight bottom fixedly connected with balance counterweight sliding block, first intermediate spindle neck rear portion fixedly connected with secondary crank assembly, the utility model discloses, this crankshaft passes through multiple spindle neck dispersion load, promotes the alternating complex load capacity, axle neck cover and lubrication structure stable gap, balance weight and adjusting screw optimization dynamic balance, reduce the failure risk greatly.

The utility model relates to the technical field of noise reduction devices, in particular to a noise reduction device for bearing machining, which comprises a noise reduction pad and anti-skid particles, the anti-skid particles are fixedly connected to the lower side of the noise reduction pad, a vibration and noise reduction mechanism is arranged on the inner side of the noise reduction pad, the vibration and noise reduction mechanism comprises a fixed cylinder, and the inner side of the fixed cylinder is tightly attached to a rubber ring sleeve. A movable bearing table is slidably connected to the inner side of the rubber ring sleeve, a piston sleeve sleeves the outer side of the movable bearing table, the lower side of the piston sleeve is tightly attached to the upper end of the noise reduction spring, a connecting through hole is formed in the inner side of the side edge of the lower end of the fixing cylinder, and a damping vibration attenuation assembly is fixedly connected to the outer side of the fixing cylinder and comprises a communicating pipe; according to the multi-layer structure design and the hydraulic damping principle, effective buffering of mechanical vibration and remarkable reduction of noise are achieved, and the vibration reduction and noise reduction performance and stability of the device are further enhanced through structural optimization and detailed design of each further-implemented scheme.

The utility model discloses a part transfer trolley for an automobile part machining workshop, and belongs to the technical field of automobile part machining equipment. The trolley comprises a trolley base, a trolley hopper and idler wheels. The trolley base is provided with a bottom plate, a baffle, universal wheels and a pushing handle. The car hopper is provided with a rectangular shell, a positioning plate, a positioning hole, a supporting rod, a clamping tenon and a car hopper clamping groove. The rollers are provided with cross rods and rotating shafts. The engine hood is convenient to store and take through rolling of the rollers, abrasion is reduced through the rubber sleeves, and stacking storage is achieved through cooperation of the clamping grooves and the clamping tenons. The problems that an existing transfer trolley is inconvenient to store and take, prone to abrasion and incapable of being stacked are solved, and the transfer trolley is suitable for transfer of automobile part machining workshops.

The utility model discloses a strip mine blast hole charging structure above a goaf and a layered explosion control system, which adopt a subsection charging structure, adjacent explosive sections are separated by an air column, a buffer layer with a honeycomb structure is arranged between the explosive section at the bottommost layer and the bottom of a blast hole, the air column is arranged above the explosive section at the topmost layer, and the hole is sealed by stemming; the explosive section is filled in the blasting energy gathering pipe and is separated from the wall of a blast hole, a main stress compensation layer and an auxiliary buffer layer are sequentially and fixedly arranged close to the wall of a goaf top plate, the main stress compensation layer is laid by foam blocks, the auxiliary buffer layer is a hard plate, direct friction between the foam blocks of the main stress compensation layer and the goaf top plate is reduced, and local stress concentration is dispersed. According to the utility model, through directional energy release of the blast hole charging structure of the strip mine at the upper part and cooperation of active stress compensation and vibration monitoring in the goaf at the lower part, dual improvement of blasting efficiency and safety under the condition that the goaf exists is realized.

The application discloses a conveying and discharging regularity device in cigarette case gold stamping production, which comprises a conveying device for posture regularity and stable conveying of cigarette case paperboard and a collecting device for automatic discharging regularity of the cigarette case paperboard, the output end of the conveying device is fixedly connected with the input end of the collecting device, the conveying device realizes accurate posture regularity of the cigarette case paperboard through cooperation of a fluctuating air cushion, a stepped flow guide and ultrasonic radiation pressure, the collecting device realizes automatic discharging regularity through gravity self-adaptive driving side regularity, and the cigarette case paperboard after gold stamping is regularly conveyed by the conveying device and then enters the collecting device to be automatically regularly collected, the application can accurately correct the conveying posture of the cigarette case paperboard and ensure that the cigarette case paperboard is always stably conveyed along a preset track, thereby laying a solid foundation for regularity of subsequent discharging and collecting.

The utility model relates to the technical field of eyebrow pencils, in particular to a double-ring symmetrical flexible integrated coaxial threaded eyebrow pencil which comprises a pencil sleeve and a pencil holder, an open hole is formed in the pencil holder, a threaded rod is arranged on the open hole, a mounting seat and a threaded seat are arranged on the threaded rod, an assembling groove is formed in the mounting seat, and the threaded seat is arranged in the assembling groove. A plurality of open grooves are formed between the outer side of the assembling groove and the outer side of the mounting seat, the open grooves are arranged in an annular array, a pen point seat is arranged on the mounting seat, a pen refill is arranged on the assembling groove, the screw rod is a double-ring threaded rod, symmetrical flexible threads are formed in the threaded seat, and the flexible threads are arranged on the threaded seat. The symmetrical flexible thread structure is adopted in the structure, friction and abrasion of the thread part are reduced, the thread structure is protected, the service life of the eyebrow pencil refill can be prolonged, durability is enhanced, and the eyebrow pencil refill is suitable for multiple fields of makeup, has smoother rotating hand feeling and particularly has larger axial bearing force at the front limiting position and the rear limiting position.

This application discloses a hyperboloid roller skating rink, belonging to the field of sports field construction structure technology. It includes an outer field, an inner field, fencing, protective mechanisms, and reinforcing support mechanisms. The rink is divided into an outer field and an inner field by the fencing. The inner field includes a track and a lawn. The track has a hyperboloid design, including a smooth zone, a transition zone, and an acceleration zone. This application uses the fencing to distinguish the inner and outer fields. The inner field has a track and a lawn. The hyperboloid design, with its continuous undulations, not only increases the difficulty of the track but also enhances its fun factor, making it popular among sports enthusiasts. It has a high usage rate and popularity, thereby improving productivity and promoting the expansion of roller skating rinks and the popularization of roller skating. By placing the roller skating rink outdoors, it can accommodate more people to watch. Simultaneously, the lawn outside the track in the inner field reduces direct friction between the skater and the ground after a fall, thus reducing injury and greatly improving the practicality of the device.

The utility model is applicable to the technical field of doubling machines, and provides a doubling machine with a tension adjusting device, which comprises a base and a support plate fixedly mounted at the top of the base. The pay-off wheel and the take-up wheel are arranged on the base and the supporting plate respectively; the doubling coils and the limiting wheels are fixedly mounted on one side of the supporting plate and used for guiding yarns; the tension adjusting wheel is arranged on one side of the supporting plate and used for adjusting yarn tension; the tension detector is hinged to one side of the supporting plate and used for detecting yarn tension; the tension adjusting mechanism is arranged on the supporting plate and used for adjusting the tension adjusting wheel; the tightness adjusting mechanism is arranged on one side of the supporting plate and used for adjusting the tightness of the yarn. The doubling machine with the tension adjusting device has the advantages that the tensioning degree of multiple strands of yarn can be kept consistent, the tension of the yarn can be adjusted conveniently, and doubling operation of the yarn is facilitated.

The hinge of the embodiment of the present invention is a hinge for opening and closing doors and windows, comprising an upper hinge installed on the upper part of the door and window and a lower hinge installed on the lower part of the door and window, the lower hinge comprising a hinge lower shaft, a positioning connection assembly and a hinge lower bearing, the hinge lower shaft is connected to the hinge lower bearing, the positioning connection assembly is arranged on the hinge lower bearing, the positioning connection assembly comprises a lower hinge connecting rod, a lower hinge pull rod and a lower hinge shaft, the lower hinge shaft is arranged on the hinge lower bearing, positioning members are arranged on both sides of the lower hinge shaft, the positioning members comprise a bearing positioning member and a connecting rod positioning member, the bearing positioning member is arranged between the lower hinge shaft and the hinge lower bearing, the connecting rod positioning member is arranged between the lower hinge connecting rod and the lower hinge shaft, positioning members are arranged on both sides of the lower hinge shaft, so that the installation of the lower hinge shaft is more convenient, the hinge lower chain bearing is not easily worn during rotation, the direct friction of the hinge lower bearing is reduced, wear is avoided, the loosening of the hinge lower bearing is caused, the performance of the hinge lower bearing is improved, and the service life of the hinge lower bearing is increased.

The utility model discloses a window body connecting structure and a curtain wall horizontal sliding window, relates to the technical field of doors and windows, and adopts the technical scheme that the window body connecting structure comprises a first connecting component and a second connecting component, a middle component is arranged between the first connecting component and the second connecting component, the middle component comprises a limiting rod group, and the limiting rod group is a foldable or extendable rod body combination; and the limiting rod group can enable the first connecting main body and the second connecting main body to be close to or far away from each other in a parallel posture. The window body connecting structure has the beneficial effects that the window body connecting structure in the scheme enhances the connecting stability while ensuring the connecting flexibility, and avoids the problem of unstable swinging caused by the dead weight of the window sash and the high-rise wind pressure. Long-term stable and reliable operation of the curtain wall horizontal sliding window is guaranteed, the service life of the window body connecting structure is prolonged, the maintenance cost and the use risk are reduced, and the curtain wall horizontal sliding window connecting structure has high popularization value and economic benefits in practical application.

The utility model relates to a kind of airing rod telescopic mechanism and clothes airing machine, to solve the problem of not smooth, easy to wear and tear of airing rod telescoping in prior art, by setting movable roller assembly in the rod cavity bottom wall of fixed main rod, and setting second roller on the end face of the plug of telescopic rod, when telescopic rod is telescoped in fixed main rod, multiple rollers support and limit telescopic rod from different directions, reduce the friction between telescopic rod and inner wall of fixed main rod, realize more smooth telescoping effect, at the same time, through the cooperation of multiple roller design, sliding slot and roller assembly, avoid telescopic rod shaking, tilting, improve the stability of telescopic rod telescoping, reduce the wear and tear of telescopic rod and main rod, prolong service life.

The utility model relates to the technical field of non-woven fabrics, in particular to a medical non-woven fabric with a strong antibacterial effect, which comprises a protective part, the bottom of the protective part is fixedly connected with the top of a filter part, the bottom of the filter part is fixedly connected with the top of a base material part, and the bottom of the base material part is fixedly connected with the top of an attaching layer. The wear resistance and the skid resistance of the non-woven fabric are enhanced through the wear-resistant layer and the protruding blocks, the protruding blocks protect the wear-resistant layer at the same time, direct friction of external objects to the wear-resistant layer is reduced, meanwhile, it is ensured that the internal antibacterial layer is not prone to being damaged by the external environment in the using process, and the ultraviolet protection layer prevents ultraviolet rays from damaging the non-woven fabric; the antibacterial performance of the non-woven fabric is further improved through the antibacterial fibers, the structural strength of the non-woven fabric is enhanced through the net-shaped design of the reinforced fibers, the non-woven fabric is good in elasticity and resilience through the elastic fibers, the elasticity of the non-woven fabric is guaranteed, the tear resistance and abrasion resistance of the non-woven fabric are enhanced, and convenience is brought to use of people.

The utility model relates to the technical field of oil extraction equipment, and provides an anti-wear centralizing lateral load pressure divider for a sucker rod, which comprises a barrel, connecting parts are arranged at two ends of the barrel and used for connecting the sucker rod, and at least two support blocks are arranged outside the barrel and circumferentially arranged on the barrel. By means of the technical scheme, the problem that in the prior art, a sucker rod collides or rubs with the inner wall of an oil pipe in the sliding process in the oil pipe, and consequently the sucker rod or the oil pipe is abraded is solved.

This utility model relates to the field of hydraulic transmission equipment technology, specifically to a composite dual-turbine hydraulic torque converter, comprising a dual-turbine hydraulic torque converter body, an input shaft disposed at the input end of the dual-turbine hydraulic torque converter body, and an output shaft disposed at the output end of the dual-turbine hydraulic torque converter body. Both the input and output shafts are fitted with sealing sleeves, which are detachably mounted on the dual-turbine hydraulic torque converter body. A rigid clamping ring is disposed inside the sealing sleeve and fitted onto the corresponding shaft. An inner sealing ring is disposed between the rigid clamping ring and the front cylindrical body of the sealing sleeve. An inner bushing is disposed on the rear side of the rigid clamping ring. Inner fitting gaskets are disposed on both the inner and outer end faces of the inner bushing. The inner fitting gasket on the inner side fits onto the corresponding shaft, and the inner fitting gasket on the outer end face abuts against the rear side of the rigid clamping ring. This utility model has good sealing performance, achieving the effect of improving sealing reliability and ensuring stable equipment operation.