24results about How to "Reduce hard friction" patented technology

The utility model provides a self-positioning and antifouling flat gate valve which comprises a valve body, a valve cavity and a medium channel communicated with the valve cavity are arranged in the valve body. A left valve seat and a right valve seat are arranged at the intersection of the medium channel and the valve cavity, a gate plate is connected between the left valve seat and the right valve seat, the gate plate is matched with the left valve seat and the right valve seat in a sealing mode, and the gate plate is driven by a valve rod to move up and down. A spring hole is formed in the position, in axial contact with the valve body, of the valve seat, and a spring is installed in the spring hole. A positioning block is arranged in the valve body and is coaxial with the gate plate in the longitudinal direction, and a positioning groove matched with the positioning block is formed in the bottom of the gate plate. And the scraping plate is installed in the valve body and arranged at the upper end of the valve seat, and the valve rod is arranged on the scraping plate in a penetrating mode. The spring is arranged at the axial contact position of the valve seat and the valve body, sealing of the valve seat and the gate plate is kept, abrasion to the sealing face of the valve seat is reduced, and the service life of the gate valve is prolonged. And the scraping plate removes dirt on the surface of the gate plate, and the sealing performance of the gate valve is improved.

The utility model relates to a rubber tapping equipment technical field, especially in kind of tree -hugging guide rail for rubber tapping machine. The prior art has solved the problem of unstable adhesion limit, big feeding resistance and inadaptability of working condition and easy to wear and tear and breakage of insufficient elasticity of tree -hugging guide rail caused by irregular surface of the trunk. Including: guide rail body, the arc structure of adapting the circumference of rubber tree, the tooth, the tooth is along the outer periphery of guide rail body setting, is used for with the gear of rubber tapping machine drive part engages, realizes the circumferential feeding movement of guide rail, limiting portion, limiting portion is along the inner periphery of guide rail body interval distribution, limiting portion forms and protrudes the protruding piece of the direction of rubber tree by guide rail body, and the protruding piece is used for with rubber tree surface abutment limit, top retreats the boss, top retreats the boss setting in adjacent limiting portion between, is used for pushing the irregular recess of tree body. Have realized "stable adhesion, smooth feeding, self -adaptation regulation's " effect.

The anti-falling device is provided with an anti-falling assembly capable of winding a safety rope and preventing falling, a guide piece is arranged on the outer edge of the anti-falling assembly, a guide hole is formed in the outer edge wall of the guide piece, and a retarding column which deviates from the guide hole and abuts against the safety rope is arranged in the guide piece. The retarding column and the guide hole cooperate to form a deceleration area in the guide piece, and the deceleration area can increase the friction force between the retarding column and the safety rope so as to reduce the passing speed of the safety rope. The problem that in the prior art, due to the fact that the rope winding speed of an anti-falling device is too high, using of operators is affected is solved.

The integrated embedded charging pile based on the Internet of Things comprises a shell, a second motor is fixedly connected into the shell, the output end of the second motor is fixedly connected with a threaded rod, the threaded rod is in transmission connection with a rotating disc, and the rotating disc is eccentrically and fixedly connected with a deflection column sliding on the inner side of an oval ring. One end of the elliptical ring is fixedly connected with a vertical rod, one end, far away from the elliptical ring, of the vertical rod is fixedly connected with a pushing plate, the pushing plate is slidably connected with a mounting box, a non-return plate is arranged above the mounting box, the mounting box is fixed on the inner side of the shell, and a pipeline of the mounting box is connected with a splitter plate. The spring clamping stagnation caused by oil sludge formed by mixing floating ash and spring lubricating grease is avoided, the long-term stable elastic performance of the spring is guaranteed, it is guaranteed that the cable can be accurately guided through the spring driving clamping plate all the time in the cable winding process, neat arrangement of the cable on the surface of the supporting shaft is achieved, and the winding disorder problem caused by spring clamping stagnation is avoided.

The invention discloses a crown cap sorting device, and relates to the field of crown cap sorting, the crown cap sorting device comprises a bottom plate, a driving motor is mounted on the bottom plate, the output end of the driving motor is connected with a transmission part, and the side, away from the driving motor, of the transmission part is connected with a rotating disc to drive the rotating disc to rotate; according to the device, the driving motor drives the transmission part and the rotating disc to continuously rotate, the crown caps uniformly slide to the outlet of the material guide channel on the panel by utilizing centrifugal force, centrifugal blanking is stable and continuous, the crown caps are uniformly stressed and regularly arranged, and hard friction and direct impact are reduced, so that the coating scratch and rusting risk is reduced, and the service life of the crown caps is prolonged. The guide wheel arranged in the material guide channel and the rotating disc rotate in the opposite direction, the crown caps clamped at the material guide channel can be rapidly thrown away, the smoothness of an outlet is improved, the auxiliary cleaning assembly can collect and discharge cleaning liquid, continuous and low-damage cap sorting and outputting of the crown caps are achieved under the condition that magnetic force or vibration intervention is not needed, and the working efficiency is improved. And the cleaning preparation of the interior of the equipment is synchronously completed.

The invention discloses a landfill leachate crystallization treatment method, and relates to the technical field of landfill leachate crystallization treatment, and the landfill leachate crystallization treatment method comprises the following steps: step a, pretreatment, step b, MVR evaporation concentration, step c, crystallization separation, and step d, heat exchange tube decontamination preparation. The invention further discloses landfill leachate crystallization treatment equipment which comprises an evaporator main body, a compressor, a crystallizer and a matched pipeline system, through clearance fit between the cleaning scraping blades and the inner wall of the heat exchange pipe, the cleaning scraping blades rotate to scrape an initial scale layer on the pipe wall in real time, hard scale formation is prevented, abrasion or clamping stagnation of the cleaning scraping blades caused by gapless contact is avoided, the cleaning scraping blades rotate under clearance fit to break a retention layer on the pipe wall, the heat exchange efficiency is improved, and the service life of the heat exchange pipe is prolonged. Hard friction between the cleaning scraper and the pipe wall is reduced, the service life of the heat exchange pipe and the cleaning assembly is prolonged, frequent shutdown for chemical cleaning is not needed, and cleaning agent consumption and labor cost are reduced.

The utility model relates to ship fairlead technology field, concretely is a kind of ship mooring with prevent cable rope jump off fairlead, including base, the base is provided with fairlead subassembly, the fairlead subassembly includes rotating platform, rotating platform is rotatably installed on base, installation slot is opened in rotating platform, two connecting blocks are connected in the installation slot of rotating platform, two the connecting block between rotatably connected with rotating rod, the one end of rotating rod away from connecting block is connected with cable hook, the cable hook is hinged with anti-unhooking. Through the setting of fairlead subassembly, after making anti-unhooking close and cable hook form a annular space, cable rope can effectively prevent jumping off when shaking, cable hook inboard roller can greatly reduce the abrasion of cable rope when collecting cable and cable operation, to further prolong the service life of cable rope.

The rocker arm capable of being lubricated and protected comprises a driving arm and a bucket, a hinge seat a is assembled on the upper side of the end of the driving arm, and a rotating shaft a is hinged to the interior of the hinge seat a; a connecting rod is rotationally connected to the exterior of the rotating shaft a, a rotating shaft b is hinged to the end of the connecting rod, and a rocker is rotationally connected to the rotating shaft b; two auxiliary plates are assembled on the outer wall of the bucket, and a rotating shaft c is assembled between the two auxiliary plates; a hinge cylinder is assembled at the end part of the rocker and sleeves the outer part of the rotating shaft c; lubricating cylinders are assembled at the two ends of the hinge cylinder, lubricating cavities are evenly formed in the inner wall of the hinge cylinder, and lubricating balls are installed in the lubricating cavities; according to the rocker arm capable of being lubricated and protected, the lubricating cylinder is arranged at the matching position of the rotating shaft and the hinged cylinder, lubricating protection is conducted through the lubricating cavity and the lubricating balls in the hinged cylinder during matching, the lubricating cylinders are arranged on the two sides of the hinged cylinder, after lubricating oil is consumed, hard friction between the hinged cylinder and the rotating shaft can be reduced, and then the rocker arm is prevented from being damaged.

The invention discloses an energy-saving self-arch-breaking ash discharging device which comprises an ash hopper shell, a barrel bag, an elastic telescopic mechanism, a traction rope and a supporting frame. The elastic telescopic mechanism is indirectly connected with the dust hopper shell through a supporting frame and is provided with a telescopic dust shaking assembly which can be pressed down by accumulated dust falling into a shell channel or jacked up by a spring, the telescopic dust shaking assembly can synchronously pull and shake a barrel bag through a pulling rope, and the dust hopper has the advantages of saving energy, reducing consumption, being thorough in arching prevention, easy to maintain and low in cost.

The utility model provides a battery cell stacking mechanism and a battery cell stacking device. The battery cell stacking mechanism comprises a mounting seat connected with an external mechanical arm, and a clamping mechanism arranged on the mounting seat, the clamping mechanism is used for clamping a battery cell, and a guide structure and a locking structure are arranged between the clamping mechanism and the mounting seat; the clamping mechanism can move relative to the mounting base in the first preset direction under guiding of the guiding structure, and the locking structure is used for locking the moved clamping mechanism to the mounting base. According to the battery cell stacking mechanism, the battery cells can be prevented from being damaged due to rigid contact with the comb teeth, the problem that battery cell stacking gaps are inconsistent is solved, the battery cell stacking quality and efficiency can be improved, meanwhile, the accuracy and stability of battery cell grabbing can be ensured, and therefore the module stacking quality can be improved.

This invention provides a rolling sealing device for cylindrical batteries. The rolling sealing device includes an upper mechanism and a lower mechanism. The upper mechanism includes an upper mold base and two sets of upper mold assemblies. The upper mold base rotates about a first rotation axis coaxial with the central axis of the cylindrical battery. The two sets of upper mold assemblies are spaced apart on both sides of the first rotation axis of the upper mold base. Each set of upper mold assemblies includes an upper mold support fixedly connected to the upper mold base and an upper mold rotatably connected to the upper mold support. The upper mold rotates about a second rotation axis perpendicular to the first rotation axis. Each upper mold has a molding surface. From the radially outer side to the radially inner side of the cylindrical battery, the molding surface is an inclined surface that gradually reduces the thickness of the upper mold along the axial direction. By setting the specific structure of the rolling sealing device, damage to the opening end of the casing is reduced, the generation of foreign matter is reduced, the mold life is increased, and it has significant advantages on mass production lines.

The present invention relates to the technical field of mechanical processing equipment, and specifically provides a feeding mechanism for forging marine shaft forgings, the feeding mechanism comprising a ground rail, a first material receiving mechanism, a second material receiving mechanism, and a driving and adjusting mechanism. The first material receiving mechanism and the second material receiving mechanism receive the shaft forgings and move them on the ground rail; the driving and adjusting mechanism is rotatably arranged in a cavity inside the second material receiving mechanism; wherein the driving and adjusting mechanism drives the shaft forgings to move along the laying direction of the ground rail or drives the shaft forgings to spin on the first material receiving mechanism and the second material receiving mechanism. The feeding mechanism of the present invention has significant beneficial effects in improving production efficiency, ensuring product quality, reducing production costs, and improving the working environment. By improving the traditional feeding mechanism, the present invention provides a more efficient, accurate and economical solution for the production of marine shaft forgings.

The utility model relates to the technical field of circuit boards, in particular to an ultrahigh transparent transparent screen circuit board, which comprises a circuit board body, a protection device is arranged on the surface of the circuit board body and comprises two frame bodies, the two frame bodies are respectively arranged on two sides of the circuit board body, and the frame bodies are arranged in a U shape. A plurality of preformed holes are formed in the surface of the circuit board body, connecting rods are in threaded connection with the inner walls of the upper side and the lower side of the frame body, the connecting rods are connected with the preformed holes in an inserted mode, and buffering parts for buffering of the circuit board body are arranged on the surfaces of the connecting rods. The circuit board body can be limited in the two frame bodies through cooperation of the multiple connecting rods and the buffer parts, when equipment vibrates, the buffer parts can move in the connecting rods, vibration energy can be effectively absorbed, the problems of welding spot loosening, circuit breakage, element unsoldering and the like caused by vibration impact of the circuit board are greatly reduced, and the service life of the circuit board is prolonged. The service life of the circuit board is prolonged.

The sliding plate with the spring pre-tightening device comprises a plate body, a first containing groove and a second containing groove which are used for containing springs are formed in the plate body, a first opening groove is formed in the first containing groove, a second opening groove is formed in the second containing groove, and the spring pre-tightening device is arranged in the first opening groove. The first open groove and the second open groove are oppositely arranged, the first open groove extends in the direction deviating from the second containing groove, the second open groove extends in the direction deviating from the first containing groove, the inner wall of the first open groove and the inner wall of the second open groove are smoothly arranged, and the first open groove and the second open groove are arranged in a staggered mode. And a height difference is formed between the bottom surface of the first open slot and the bottom surface of the second open slot. The structure is simple, steel cable springback caused by instant deformation of the spring is effectively reduced, friction between the steel cables is relieved, use stability is guaranteed, and the service life is prolonged.

The invention discloses an adjustably-mounted splicing type prefabricated part, and relates to the technical field of prefabricated part assembly.The adjustably-mounted splicing type prefabricated part comprises two prefabricated plates, a prefabricated top plate is arranged at the tops of the two prefabricated plates, a plurality of steel bars are symmetrically mounted at the tops of the two prefabricated plates, and a plurality of filling barrels are symmetrically formed in the two sides of the top of the prefabricated top plate in a penetrating mode; a plurality of centering assemblies are arranged on one sides of the joints of the two prefabricated slabs and the prefabricated top plate, each centering assembly comprises a transverse centering block, and the transverse centering blocks are fixedly installed on the two sides of the prefabricated top plate through bolts; and when the prefabricated top plate and the prefabricated plate are assembled, the position of the prefabricated top plate can be adjusted, centering operation of the prefabricated top plate is facilitated, excessive operation is not needed for assembling of the prefabricated top plate and the prefabricated plate, convenience and usability are improved, and the assembling efficiency of the prefabricated plate and the prefabricated top plate is improved.

The utility model discloses a data line with a tensile structure, which belongs to the technical field of electronic accessories and comprises a metal terminal used for being connected with the outside to transmit data and supply power, and a connector shell used for protecting an internal conductive part is mounted at the end part of the metal terminal. The end, away from the metal terminal, of the connector shell is connected with a connector tail transition sleeve used for dispersing stress during plugging and bending, and insulated wires used for data transmission and power supply are installed in the connector shell and the connector tail transition sleeve. The data line can effectively bear main axial tension of a line body, prevents the insulated wires from being fractured due to tensile force, greatly prolongs the service life, is particularly suitable for use scenes which are frequently moved and are easy to pull, and can be widely applied to the field of data transmission. And the tensile property of the wire body is obviously improved.

This invention discloses a processing technology for pallet nuts, belonging to the field of aerospace fastener manufacturing technology. The process includes the following steps: material preparation, CNC turning, hot upsetting, solution heat treatment, CNC turning, wire cutting, milling, fitter work, intermediate inspection, end capping, stabilization + aging heat treatment, sandblasting, local annealing, fluorescence detection, metallographic inspection, surface silver plating, performance testing, final inspection, and packaging. Through heat treatment processes such as solution heat treatment and stabilization + aging heat treatment, the strength of the pallet nut reaches 1210 MPa, and the hardness is HRC32-42. The end capping section ensures proper locking, providing anti-loosening and vibration resistance while maintaining the structural integrity of the pallet nut, further guaranteeing its structural strength, rigidity, and other mechanical properties.

The utility model provides a crane maintenance device which comprises a supporting assembly arranged on a carrier, a rotating body rotationally arranged on the supporting assembly, a locking assembly used for locking the rotating body on the supporting assembly and hoisting assemblies oppositely arranged on the two sides of the rotating body, and all the hoisting assemblies are used for hoisting equipment. According to the crane maintenance device, during hoisting, the rotating body is fixed to the supporting assembly through the locking assembly, it is guaranteed that the device is kept stable during hoisting, after equipment is hoisted to the preset height, the locking assembly is detached, and the equipment is rotated to the installation position through the rotating body and the hoisting assembly to be installed, so that the equipment is convenient to maintain and maintain. And equipment needing to be replaced can be conveniently disassembled and assembled in a narrow space.

The invention discloses a mechanical locking hydraulic oil cylinder, which relates to the technical field of hydraulic devices, and comprises a cylinder body assembly and a locking assembly I, the cylinder body assembly comprises a cylinder body, a piston rod, a communicating pipe, a sliding barrel, a check block and a second spring. The piston rod and the sliding barrel are arranged in the cylinder body in a sliding manner; the first locking assembly comprises a fixing ring and a limiting piece. The limiting piece comprises a first telescopic rod, a first spring and a clamping block. A baffle block and a fixing ring are fixed on the piston rod; two ends of a telescopic rod I are respectively arranged on the fixing ring and the telescopic rod I; the sliding cylinder is located between the two check blocks. Piston rod slippage caused by internal leakage of a hydraulic system can be completely avoided through a mechanical locking mechanism, and the reliability and safety of equipment are improved; in the shutdown state, the clamping block is completely attached to the check block, friction force is generated, and the piston rod can be effectively prevented from accidentally extending outwards; the electromagnetic valve and the second spring enable the sliding cylinder to automatically reset during shutdown.

The utility model discloses a human tissue biological sample transfer case lock, including linear reduction motor module, bolt, locking seat and lock hook, the utility model discloses through the locking channel and lock groove of locking seat form the built -in locking space, can effectively prevent external violence pry or technical opening, from the physical structure on the illegal opening path is blocked, the utility model discloses linear reduction motor module output and bolt adopt the movable connection, make the bolt in the telescopic process can produce slight angular displacement, allow the slight displacement of transfer case because of transportation vibration, temperature deformation etc, avoid the problem of jamming, locking not strictly, ensure that the bolt can always be inserted into the locking channel and can be reliably locked accurately, the overall structure does not occupy too many box space, be convenient for with different specifications biological sample transfer case adaptive integrated, and do not influence the sealing performance of box body, satisfy the high -grade requirement of human tissue biological sample to transfer confidentiality and security.

The utility model relates to a load regulating transformer, and aims to provide a load regulating transformer. The utility model adopts the technical scheme that comprises a transformer core, a transformer air sleeve, an upper clamping assembly, a lower clamping assembly, upper and lower pad block assemblies arranged on the upper and lower end faces of the transformer air sleeve respectively, a main through hole of an envelope is arranged in the center of the transformer air sleeve, the transformer air sleeve is provided with a heat dissipation opening and an air sleeve connecting hole at intervals along the circular arc of the main through hole of the envelope, and the lower pad block assembly comprises a lower pad block, a shock absorbing spring, a top cover, a connecting rod and a fixing nut. The utility model has the advantages that the hard friction and impact between the transformer air sleeve and the upper and lower clamping assemblies can be reduced under the condition of continuous vibration environment through the action of the shock absorbing spring, vibration noise and abrasion are effectively reduced, the shock absorbing block further enhances the buffering and shock absorbing effect, and the service life of the rigid component is prolonged.

The utility model discloses a corrugated pipe stretching tool, which belongs to the field of corrugated pipe tools and comprises a workbench, a plurality of left vertical blocks and a plurality of electric guide rails are fixedly connected to the upper end of the workbench, and right sliding blocks are fixedly connected to the output ends of the electric guide rails. The upper end of the left vertical block is fixedly connected with a left clamping ring, the upper end of the right sliding block is fixedly connected with a right arc ring, the right arc ring comprises a bottom arc ring, the front end and the rear end of the bottom arc ring are fixedly connected with electric rotating shafts, the output ends of the electric rotating shafts are fixedly connected with opening arc pieces, and side open grooves are symmetrically formed in the left inner wall and the right inner wall of the bottom arc ring. According to the scheme, the electric guide rail is used for driving the right side sliding block to move the right side arc ring rightwards, the corrugated pipe body is stretched, and stretching detection operation can be conducted on corrugated pipe bodies of different lengths at the same time.

The invention relates to the technical field of drilling machines, in particular to a crawler-type spiral drilling machine for screw pile construction. Comprising a drilling machine frame; the swing seat is rotationally connected to the drilling machine frame in a limiting manner; the bearing frame is connected to the swinging seat in a sliding manner; the hydraulic push rod is rotationally connected to the drilling machine frame, and the telescopic end of the hydraulic push rod is rotationally connected with the bearing frame; the driving part is connected to the bearing frame in a sliding manner; the guide piece is arranged on the driving piece; and the drill rod is rotationally connected to the guide piece and is in transmission connection with the driving piece, and the drill rod is provided with a spiral blade. According to the problems that friction is generated when an existing drill rod drills a hard layer, and the service life of a rotating rod is shortened, a novel drilling mode is provided, and when a drilling machine meets the hard layer, a drilling part of the drilling machine can automatically detect that resistance is increased, the moving speed is reduced, and abrasion of the drilling part is reduced.