544 results about "Circlip" patented technology

The utility model provides a winch connector, and belongs to the technical field of winches. The technical problem that an existing winch connector is difficult to maintain is solved. The winch connector comprises a rotating shaft and a sleeve which is coaxially arranged, the rotating shaft is axially fixed in the sleeve, a plurality of bird blocking pieces which are arranged in the circumferential direction of the sleeve are arranged between the periphery of the rotating shaft and the sleeve, and the periphery of the rotating shaft is sleeved with two clamping springs and two annular anti-attrition pads. The two clamping springs and the two anti-attrition pads are arranged at intervals in the axial direction of the rotating shaft, two positioning grooves formed in the circumferential direction are formed in the inner edge of the sleeve, the clamping springs are located and embedded in the positioning grooves respectively, the two anti-attrition pads are located between the two clamping springs, and the bird blocking pieces are arranged between the two anti-attrition pads in a limited mode. The winch joint is more convenient to maintain.

The utility model relates to the technical field of tractors, in particular to a small and medium power bowing steering tractor which comprises a chassis, a front rack assembly, a front driving wheel, a rear driving wheel, a steering system assembly, a suspension assembly and a hydraulic lifting pipeline system assembly. The chassis comprises a tail end assembly, and an engine and accessory assembly thereof, a front box and waist bending and twisting assembly and a rear box assembly which are sequentially connected from front to back; the front box and waist-bending and waist-twisting assembly comprises a front box, a waist-bending shell, a waist-bending pin shaft, a waist-twisting outer shell, a waist-twisting inner shell, a reversing shell, a first bolt, a lining, a clamping spring, a second bolt, a third bolt, a clamping spring protection cover and a fourth bolt. The multifunctional tractor can be used for operation in hilly and mountainous areas, integrates common operations such as field cultivation, orchard operation and road transportation, is good in maneuverability, high in safety, high in stability and high in adaptability, and can realize multiple functions of the tractor.

The utility model discloses automatic assembling equipment for a shaft seal, a clamp spring and a bearing of a bearing seat of an air conditioner compressor, which comprises a case, an assembling turntable arranged in the case, an assembling component arranged around the assembling turntable, a finished bearing seat output component arranged on one side of the case, and a manual bearing seat feeding station arranged on the other side of the case. The assembling assembly comprises a shaft seal feeding assembly, a shaft seal press-fitting assembly, a finished bearing seat transferring assembly, a clamp spring press-fitting assembly, a clamp spring discharging assembly, a bearing transferring assembly, a bearing discharging device, a bearing seat grabbing assembly, a bearing pushing-in pressing head assembly, a bearing pressing-in assembly and a clamp spring transferring assembly. According to the automatic assembling machine, a bearing seat needs to be manually placed to the tool, the assembling rotary disc is matched with the assembling assembly to sequentially and automatically complete installation of a shaft seal, a bearing and a clamping spring, the bearing seat assembly is automatically transferred to the finished product conveyor after installation is completed, the automation degree of the whole process is high, and the assembling efficiency of the shaft seal, the bearing, the clamping spring and the bearing seat is greatly improved.

The invention relates to a modification-free uniform-load planetary roller screw and an implementation method, the modification-free uniform-load planetary roller screw is composed of a nut, a screw body, rollers, an inner gear ring, a planet carrier and an elastic check ring, and the pitch value of the nut and the roller is obtained through a proposed uniform-load design method. The uniform load design method comprises the following steps: establishing an equal load distribution force matrix; establishing a planetary roller screw thread tooth load distribution calculation model according to a deformation coordination equation and a load balance equation of two adjacent thread teeth on the roller-screw and nut-roller contact sides; based on the planetary roller screw thread tooth load distribution calculation model and the equal load distribution force matrix, obtaining design pitches of a roller and a nut; the pin roller and nut design pitch is used for designing, machining and manufacturing the pin roller and the nut of the uniform-load planetary pin roller lead screw. According to the planetary roller screw, uniform distribution of loads of the planetary roller screw can be achieved, complex thread tooth modification machining is omitted through the steady pitch design, and the load performance of the planetary roller screw is greatly improved while the machining and manufacturing cost is reduced.

The utility model relates to a sliding type dustproof cover of a plane lock handle, which is designed for solving the technical problems that the bottom of the dustproof cover of the existing similar product is less provided with a sliding cover for exposing or closing a key hole, the stability of the sliding cover is poor, and scratches are easy to generate. A main body of the sliding type dustproof cover is a dustproof cover, and the dustproof cover is arranged in a groove in the top of a lock cylinder assembly of a handle. The key point is that a key hole at one end of the dustproof cover is aligned with a key hole of the lower lock cylinder assembly, a sliding cover is arranged in a bottom groove of the dustproof cover, and the key hole at the lock cylinder assembly is exposed or closed through sliding of the sliding cover in the bottom groove of the dustproof cover; a magnet is arranged on the top plane of one side of a key hole of the lock cylinder assembly, another magnet fixed in a magnetic attraction mode is arranged at the bottom of the corresponding sliding cover above the magnet, and the sliding cover is fixed to the magnet on one side in a sliding attraction mode. The clamping springs are arranged in the handle clamping spring grooves in the two sides of the handle respectively, and meanwhile the clamping springs on the two sides are buckled with the sliding cover clamping spring grooves of the sliding cover respectively.

The gear pump comprises a pump shell, a driving assembly, a motor assembly and a sealing assembly, the pump shell is provided with a containing cavity, a liquid inlet channel, a liquid outlet channel and a shaft hole, the liquid inlet channel, the liquid outlet channel and the shaft hole are communicated with the containing cavity, and the driving assembly is arranged in the containing cavity and used for driving liquid to flow into the containing cavity from the liquid inlet channel and flow out from the liquid outlet channel; the motor assembly comprises an end cover and a motor shaft extending out of the end cover, the motor shaft extends into the containing cavity from the shaft hole and is in transmission connection with the driving assembly, the sealing assembly comprises a sealing piece and an elastic piece, and the sealing piece is annularly arranged on the periphery of the motor shaft, is used for blocking the shaft hole and comprises a sleeve with a sealing cavity and a clamping spring. According to the invention, the snap spring is hooped at the periphery of the sleeve and is connected to the motor assembly to provide radial elastic support for the sealing element, so that radial amplitude generated in the working process of the motor is absorbed, and the purpose of reducing the adverse effect of the radial amplitude on the sealing element is achieved.

The utility model relates to the technical field of speed reducers, in particular to an input and output coaxial speed reducer which comprises a box body, the left surface of the box body is fixedly connected with a gearbox cover, the gearbox cover is fixedly connected with an input shaft through a first bearing and a second bearing, and the gearbox cover is fixedly connected with an intermediate shaft through the second bearing. The middle shaft is fixedly connected with a driven gear through a first flat key, the box body is rotationally connected with an output shaft through a third bearing, the output shaft is fixedly connected with an output gear through a second flat key, and the input shaft is axially positioned through a shaft elastic check ring and a first hole elastic check ring. According to the utility model, the input shaft and the output shaft are arranged to be coaxial, so that the input shaft and the output shaft can be arranged on the same side, the internal structure is relatively simple, the price is low, the installation and the maintenance are more convenient, and the transmission is generally suitable for light-load and low-speed occasions.

The invention provides an elastic check ring and a mounting method thereof. The elastic check ring comprises a matching shaft, a matching assembly and a mounting assembly. The elastic retainer ring (1) comprises a retainer ring body (11) with a lateral opening, a first end part (101) of the retainer ring body (11) is provided with a first lug (12), and a second end part (102) of the retainer ring body (11) is provided with a second lug (13); the matching shaft (2) is provided with a locking groove (21) and an annular mounting groove (24); the check ring body (11) is installed in the annular installation groove (24), the two protruding lugs are installed in the locking groove (21), the two protruding lugs move along with radial stretching of the check ring body (11), and when the check ring body (11) stretches in the radial direction, the two protruding lugs and the two groove walls of the locking groove (21) are matched and locked in a one-to-one correspondence mode. Therefore, the elastic check ring (1) is convenient to mount, the mounting and self-locking success rate can be improved, and the cost is reduced.

The utility model discloses a screw pump with an adjustable shaft seal position structure, which relates to the technical field of screw pumps and comprises a driving screw, a shaft elastic retainer ring is arranged on the outer side of the top of the driving screw and clings to the end of an adjusting shaft sleeve, a sealing gland is fixedly connected to the outer side of the driving screw, and the sealing gland is fixedly connected to the outer side of the driving screw. A bearing seat is arranged at the end, close to the front end cover, of the sealing gland, a screw is in threaded connection with the end, away from the front end cover, of the sealing gland, the bearing seat is in threaded connection with the sealing gland through the screw, and a bearing is arranged at the bottom of the end, close to the front end cover, of the driving screw. Wherein an O-shaped sealing ring groove is formed in the outer surface of the bottom of the driving screw rod, an elastic check ring groove for a hole is formed in the outer surface of the top of the driving screw rod, an adjusting shaft sleeve is arranged on the outer side of the driving screw rod, and the technical problems that the sealing replacement process is tedious, only one sealing material can be selected, and many limitations exist are solved.

The invention discloses an automobile brake disc which comprises a disc body and a gooseneck protruding outwards from one side of the disc body, an annular groove is formed in the connecting position of the gooseneck and the disc body, the automobile brake disc further comprises an annular fin radiator arranged in the groove and a clamping spring arranged on one side of the annular fin radiator, and the annular fin radiator comprises a supporting seat and a plurality of layers of radiating fins which are arranged on the supporting seat and are concentrically distributed at intervals by taking the rotating axis of the disc body as the center. According to the automobile brake disc, the annular fin radiator is fixed in the groove formed in the connecting position of the gooseneck and the disc body through the clamping spring, heat generated by braking is guided out through the radiator by the disc body, and the situation that excessive heat is transmitted to a hub unit through the gooseneck, and the strength of a hub and the service life of peripheral plastic parts are affected is avoided.

The invention provides a safety valve and pipeline connecting device with high stability. The safety valve and pipeline connecting device comprises a valve seat, a valve seat gasket is arranged on the valve seat, a valve body is arranged above the valve seat, an adjusting component is arranged in the valve body, and a valve element component is arranged in the valve body; the valve element component is provided with a valve clack, clamping springs are arranged on the two sides of the valve clack, a recoil disc is arranged above the valve clack, a guide component is arranged on the recoil disc, when the pressure in a pipeline exceeds a set value, the safety valve can be opened in time, fluid is discharged to reduce the pressure, and the valve element component can ensure the stability of the safety valve in the working process. The opening pressure of the safety valve can be conveniently adjusted through the adjusting component so as to meet different working requirements and pipeline pressure requirements. The valve body and the valve cover are connected through a double-end stud, the valve body pipeline connecting part comprises a valve body pipeline connecting upper portion and a valve body pipeline connecting lower portion which are connected with a pipeline through a flange plate and a connecting plate respectively, and it is guaranteed that the safety valve and the pipeline are connected firmly and reliably and are not prone to loosening.

The utility model relates to a linker base, clamp spring and plastic shell assembling lifting force detection device. The linker base, clamp spring and plastic shell assembling lifting force detection device comprises a rotating mechanism, and a base feeding mechanism, a clamp spring feeding mechanism, a plastic shell feeding mechanism, a screwing mechanism, a press fitting mechanism and a discharging detection mechanism which are sequentially distributed along the circumferential direction of the rotating mechanism. According to the linker base, snap spring and plastic shell assembly lifting force detection equipment, through mutual cooperation of the rotating mechanism, the base feeding mechanism, the snap spring feeding mechanism, the plastic shell feeding mechanism, the screwing mechanism, the press fitting mechanism and the discharging detection mechanism, automatic assembly of a base, a snap spring and a plastic shell can be achieved, and the machining efficiency is greatly improved; and moreover, after the assembling is finished, the hoisting force detection can be carried out, and the product quality is ensured.

The utility model discloses a clamp spring assembling device which comprises a product feeding mechanism, a clamp spring feeding mechanism arranged on one side of the product feeding mechanism, a clamping and transverse moving module arranged above the clamp spring feeding mechanism and a clamp spring clamping mechanism arranged on the clamping and transverse moving module in a sliding mode. The product feeding mechanism is used for placing products and waiting for the clamp spring clamping mechanism to clamp the clamp spring for assembly; the clamp spring feeding mechanism is connected with the feeding vibration disc and used for receiving clamp springs and waiting for the clamp spring clamping mechanism to clamp the clamp springs. The clamping transverse moving module drives the clamp spring clamping mechanism to reciprocate between the product feeding mechanism and the clamp spring feeding mechanism. The clamp spring clamping mechanism is used for clamping a clamp spring and moving the clamp spring to the product feeding mechanism to assemble the clamp spring, all the modules are linked through a machine and a sensor, accurate butt joint of a product and the clamp spring in space is guaranteed, and errors possibly caused by manual operation are avoided.

The invention discloses motor rotor assembling equipment for an automobile seat driver, which comprises a machine table and a snap spring assembling device, and is characterized in that a bearing assembling device is also arranged beside the snap spring assembling device, a feeding part is also arranged on a table top plate, the feeding part is arranged between the snap spring assembling device and the bearing assembling device, and the bearing assembling device is arranged on the table top plate. The bearing assembling device comprises two sets of bearing assembling mechanisms symmetrically arranged on the two sides of the discharging part. The bearing assembling mechanism comprises a bearing press-fitting mechanism and a bearing feeding mechanism, and the bearing press-fitting mechanism is arranged between the bearing feeding mechanism and the snap spring assembling device; the bearing press-fitting mechanism comprises a bearing positioning part and a driving part, a positioning piece is arranged on the table top plate, the bottom of the bearing positioning part is installed on the positioning piece in a sliding mode, and the driving part is configured to drive the bearing positioning part to move along the positioning piece. The assembling efficiency of the motor rotor is improved, and the cost is reduced.

The utility model discloses a worm and clamp spring assembling mechanism, which relates to the technical field of worm and clamp spring assembling and comprises a vibration conveying disc and a clamp spring cutting mechanism. Through overall vibration of the vibration material conveying disc, the clamp springs in the vibration material conveying bin are conveyed to the end of the vibration material conveying disc and then directly conveyed to the transverse material conveying rail, the straight vibrator is installed at the bottom of the transverse material conveying rail, the transverse material conveying rail is vibrated, and directional conveying of materials is achieved; and finally, the products are conveyed to a clamp spring cutting mechanism, the clamp spring cutting mechanism is fixed through a profiling block at the front end of a push-in air cylinder, an upper pressing plate of a side edge pressing air cylinder and an ejector rod of a bottom limiting air cylinder, the products are completely limited, the bottom limiting air cylinder stretches out for cutting, the products are transplanted to the position below a servo press, the side edge air cylinder retreats, the servo press puts the worm in, and the clamp spring is cut. And the assembly push-in air cylinder advances, the snap spring is automatically assembled into a worm snap spring groove, and automatic assembly of the snap spring is completed.

The invention relates to the technical field of thread spinner, in particular to a twisted ring spindle in thread spinner parts, which can still realize shock absorption, enable the ring spindle to be convenient to maintain, avoid environmental pollution and reduce downtime under the condition that spindle oil is not used, the lower section of a spindle blade is inserted into a spindle blade seat and is rotatably arranged in the spindle blade seat, and the upper section of the spindle blade extends out of the spindle blade seat. The spindle wharve is sleeved on the upper section of the spindle blade, the spindle blade seat is cylindrical, and the lower section of the spindle blade is rotatably arranged in the spindle blade seat in a structure that an upper bearing and a lower bearing are respectively arranged at the upper end and the lower end of the spindle blade seat, an inner bearing ring of the upper bearing is sleeved on the spindle blade and is propped against a step of the spindle blade, and an outer bearing ring is pressed on an upper step of the inner wall of the spindle blade seat. An upper damping ring is arranged in an annular space between an outer bearing ring of the upper bearing and the inner wall of the spindle blade seat; an outer bearing ring of the lower bearing abuts against a lower step on the inner wall of the spindle blade seat, an inner bearing ring is pressed on a positioning clamp spring on the spindle blade, an inner bearing ring of the lower bearing is sleeved on an annular lower damping ring, and the lower damping ring is sleeved on and axially positioned on a ring groove of the spindle blade.

The utility model discloses a novel radio frequency connector with long plugging service life and high reliability, comprising a pin connector and a jack connector which are in plugging cooperation, the pin connector is provided with a first center conductor and a first outer conductor sleeved outside the first center conductor; the jack connector comprises a second outer conductor, a second central conductor and a crown spring, a ring spring is sleeved and connected in one end of the second outer conductor, the second central conductor is sleeved in the second outer conductor, and an insulator is sleeved between the second central conductor and the second outer conductor. According to the utility model, the ring spring and the crown spring are adopted for contact, the plugging force can be accurately controlled, continuous and reliable connection can be ensured in the states of impact, vibration and high-speed rotation, and meanwhile, the ring spring has multiple contact points, lower contact resistance, constant plugging force, long service life and lower space requirement, and is convenient and efficient to assemble.

The invention discloses a household air-conditioner quick connector assembly, which is composed of a male connector assembly and a female connector assembly. The male connector assembly comprises a coupling head, a male connector body, a male connector spring and a four-leaf valve block, one end of the coupling head is connected to one end of an inner cavity of the male connector body through a thread and an O-ring, and the four-leaf valve block is installed at the other end of the inner cavity of the male connector body; the female connector assembly comprises a locking cap, a two-way valve block, a push rod, a female connector body, a female connector spring, an E-type retaining ring, a locking connector and a copper tube; the invention adopts soft and hard sealing structures between the coupling head and the male connector body, between the male connector body and the female connector body, between the two-way valve block and the push rod, and between the female connector body and the locking connector to ensure the sealing performance of the quick connector assembly; when the male and female connectors are closed or assembled, a single O-ring is used for sealing to reduce assembly resistance, and when the male and female connectors are connected, a double O-ring is used for sealing between the two to ensure the reliability of the sealing.

The clamp spring pliers comprise a screw rod, a supporting block, a left front arm, a right pliers arm, a left supporting arm, a right supporting arm and two pliers mouths. The supporting block is arranged on the screw rod in a sleeving manner, and the supporting block can do reciprocating motion in the length direction of the screw rod; the left clamp arm and the right clamp arm are hinged to each other, and the joint of the left clamp arm and the right clamp arm is connected to the bottom of the screw. The left supporting arm and the right supporting arm are symmetrically arranged relative to the screw rod; one end of the left supporting arm is hinged to the front side and the rear side of the upper end of the left clamp arm, the other end of the left supporting arm is hinged to the front side and the rear side of the supporting block, one end of the right supporting arm is hinged to the front side and the rear side of the upper end of the right clamp arm, and the other end of the right supporting arm is hinged to the front side and the rear side of the supporting block. The two clamp mouths are detachably arranged at the bottom end of the left clamp arm and the bottom end of the right clamp arm respectively, dismounting and mounting pieces are arranged at the ends of the two clamp mouths, and the structures of the dismounting and mounting pieces are matched with a piece to be dismounted and mounted. The clamp spring opening device provides large clamp spring opening force, can be matched with various clamp springs, is good in practicability and improves working efficiency.

The invention relates to the technical field of metal processing, in particular to an anti-loosening locking nut for transmitting high rotating speed and high torque and a processing technology thereof, the anti-loosening locking nut is mainly composed of a screw sleeve, a clamping sleeve, a hexagonal shaft sleeve, a safety pin and an elastic check ring, the dynamic balance characteristic is good, and the design is compact; when the torque is transmitted, the locking of the thread is not influenced at all; when unlimited transmission torque is needed, the safety pin is made of tungsten steel; when the driven shaft at the rear end of the power shaft needs to be protected and is prevented from being stuck, the safety pin is made of special engineering plastics, and the safety pin is broken when the designed rated torque is exceeded; the torsion transmission between the power shaft and the driven shaft fails, so that the use safety of the test equipment is protected; in addition, the corresponding polishing device is arranged according to the polishing machining technology, the end portions of the multiple workpieces can be polished and machined at the same time, and the working efficiency is high; and on the basis, the machining stability is ensured through the arranged machining positioning mechanism, and the positive effect on improving the machining quality is achieved.

The invention discloses a simulation analysis test device and verification method for an elastic check ring for a high-speed shaft, and relates to the technical field of performance detection of check rings for shafts, the simulation analysis test device comprises a driving motor, a test protection device, a fixed rack, a speed reducer assembly, an endoscope and a displacement sensor system, a tool shaft, a high-speed camera device and an auxiliary positioning frame are modified, assembly testing and single body testing are integrated on a fixed rack, different observation modes are set, a sensor displacement system and an endoscope are innovatively adopted, the early failure form can be clearly observed through tests, and the separation rotating speed can be measured; the separation coefficient is evaluated in the early stage, the separation rotating speed interval range is given, the separation risk of the shaft circlip under the high rotating speed condition is effectively identified, the model is corrected through tests, and the method is specially used for verifying the centrifugal force of the circlip under the high rotating speed condition. When the rotating speed of an application working condition exceeds the range of a common elastic check ring, the self-locking check ring is used for replacement.

The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.

The present invention discloses a turbocharger structure for fixing a Z-bearing, characterized by comprising: an intermediate body, a Z-bearing disposed at an inner hole of the intermediate body, a first circular retaining ring groove and a second circular retaining ring groove disposed on the Z-bearing and the intermediate body, respectively; an elastic retaining ring contacting the first and second circular retaining ring grooves to achieve axial positioning between the Z-bearing and the intermediate body; first and second positioning piece mounting portions of the same diameter disposed on the Z-bearing and the intermediate body, respectively; a circular retaining piece mounted between the first and second positioning piece mounting portions, the height of the circular retaining piece being slightly lower than the lower edges of the first and second circular retaining ring grooves, and the circular retaining piece achieving radial positioning between the Z-bearing and the intermediate body. The present invention can achieve bidirectional flexible support and automatic positioning of the Z-bearing, reserve space for installing an oil baffle, and further enhance the anti-leakage capability of the compressor.

The utility model belongs to the technical field of motor application, and particularly discloses a brake device for an integrated magnetism-assisting synchronous reluctance roller motor, which comprises a backstop outer circle body, limiting convex blocks, arc-shaped limiting convex teeth, a backstop inner circle body with a through groove, an outer check ring gasket, an inner check ring gasket, an outer elastic check ring, an inner elastic check ring and the like. The brake device for the integrated magnetism-assisting synchronous reluctance roller motor has the advantages that a one-way brake structure is integrally formed after assembly and used for being matched with a rotating shaft clamping groove in a rotating shaft rotating in the forward direction, the rotating shaft rotating in the reverse direction is automatically and reliably locked, reverse rotation or reverse rotation of equipment is prevented, and the service life of the equipment is prolonged; the occurrence of safety problems is completely eradicated; 2, the whole body adopts a split type design and is convenient to assemble, disassemble and maintain, and meanwhile, a one-way anti-reverse structure is adopted, so that reverse stopping movement is timely and stable;

The invention discloses a retrievable bridge plug, which relates to the field of oil production tools and comprises an upper joint, an upper outer sleeve, an upper piston, a connecting sleeve, a fixed piston, a disjoint ring, a disjoint sleeve, a locking ball seat, a positioning ring, a sealing piston, an upper core tube, an upper locking sleeve, an upper retaining spring, a retaining spring seat, an upper pressure ring, an upper rubber tube, an upper protective ring, an upper outer core tube, an upper cone, an upper pressure cap, a slip sleeve, a slip, a lower cone, a lower pressure cap, an outer core tube, a lower pressure ring, a lower outer core tube, a lower rubber tube, a lower protective ring, a thread plug, a lower retaining spring, a lower spare cap, an upper disjoint pin, an upper steel ball, a lower disjoint pin, a lower steel ball, a fixed pin, an anti-seating pin, an upper single-flow steel ball, an upper single-flow spring, an upper single-flow thread plug, an upper sealing pin, a slip spring, a lower single-flow steel ball, a lower single-flow spring, a lower single-flow thread plug and a lower sealing pin. The retrievable bridge plug of the present invention solves the problems of slip scaling and rusting, reduces the lifting load force, and does not cause damage to the casing.

The invention relates to a driving rake operation low-rotation-speed automatic combination cam type load-adjustable overload protection device which comprises a spline shaft sleeve, a clutch shell, a cam pin, a cam wear-resistant sleeve, an oil baffle pad, an elastic check ring, a sealing cover and a disc spring assembly. A cam pin is installed on the inner wall of one side of the clutch shell in a meshed mode, a cam abrasion-resistant sleeve is installed on the inner wall of one side of the clutch shell, one side of the cam abrasion-resistant sleeve is connected to the outer wall of the cam pin in an attached mode, and an oil blocking pad is installed on the inner wall of one side of the clutch shell. Impact force borne by the rake teeth can be effectively unloaded, after overload protection, the rotating speed is reduced, the cam can automatically return, it is guaranteed that power devices such as the rake teeth, a transmission shaft, a gear box and a tractor are not damaged, replacement cost and time cost are not increased, and operation efficiency is improved.

The utility model relates to the technical field of workpiece polishing, in particular to a compressor crankshaft polishing machine which comprises a first motor, and the bottom end of the first motor is fixedly installed on one side of the top end of a bottom plate. A large and small wheel transmission structure composed of an abrasive belt wheel 2, a large belt wheel, a first screw, a flat key and a second sleeve body is driven to rotate through a first motor and a belt on the surface of the power output end of the first motor, and then an abrasive belt wheel 3, a third bolt, the first sleeve body, an elastic check ring for an A-shaped hole, a deep groove ball bearing and a sunk screw are driven through a small belt wheel and an abrasive belt on the surface of the small belt wheel. A triangular abrasive belt wheel transmission structure composed of the abrasive belt wheel 1, the third bolt, the first sleeve body, the deep groove ball bearing and the matched bolt fastener rotates, the polishing angle of the crankshaft journal and the crank neck is formed on the wheel frame, and therefore the type of workpieces can be rapidly and effectively polished, the equipment is easy to operate, manual polishing is replaced, and the polishing efficiency is improved. And compared with a traditional process and manual polishing operation, the working efficiency is improved.

The utility model discloses a connector assembly and an assembling structure of a vehicle saddle lock stay wire, which comprises a connecting plate, a connecting rod, a connecting rod, a connecting rod and a connecting rod, the connecting plate is provided with a clamping groove, one side of the connecting plate is provided with an opening communicated with the side wall of the clamping groove, and the distance of the opening is smaller than the diameter of the clamping groove; the connector is sequentially provided with an annular groove, a clamping part and a flange in the center direction of the connector, the inner diameter of the annular groove is not larger than the distance of the opening, the outer diameter of the clamping part is larger than the distance of the opening, the outer diameter of the clamping part is not larger than the diameter of the clamping groove, the clamping part of the connector is clamped into the clamping groove, and the flange is in limiting fit with one face of the connecting plate; the clamping spring is clamped into the annular groove, the outer diameter of the annular groove is larger than the diameter of the clamping groove, and the clamping spring is matched with the other face of the connecting plate in a limiting mode. According to the utility model, under the action of external force, the saddle lock stay wire is not easy to disengage and can still work stably.

The present application belongs to the technical field of planetary reducer assembly, and particularly relates to a mounting device for planet carrier clamping spring. A vertical first cylinder is mounted on a bottom frame; a piston rod of the first cylinder is connected with a first frame plate; a vertical second cylinder is mounted on the first frame plate; a clamping spring guide block is mounted on a top of a piston rod of the second cylinder; the clamping spring guide block is overall conical, a first mounting hole is formed in the middle of the clamping spring guide block, a first step in the form of a ring is formed by recessing an outer edge of a top of the clamping spring guide block; a clamping spring positioning plate is protruded from a side surface of the clamping spring guide block; a first fixed plate is mounted on a portal frame, two first sliding rails are mounted on the first fixed plate, a first sliding block is mounted on the first sliding rail, a second fixed plate is mounted on the first sliding block, a first angle iron is fixed on a surface of the second fixed plate, a third fixed plate is fixed on a bottom surface of the first angle iron, and a first supporting column is fixed on a bottom surface of the third fixed plate; the first supporting column is used for pressing a planetary reducer.

Provided is a device sealed with a magnetic liquid. The device includes: a rotary shaft, a tank body, a control unit, a first module, a second module, a magnetic liquid, and a pole-tooth. The first module and the second module are in the same configuration, each consists of an outer shell, a left pole-shoe, an electromagnet, a control wiring, a right pole-shoe, and a circlip. The device includes at least two modular structures; the control unit controls a first electromagnet and a second electromagnet to be magnetized to alternately bear a sealing role.