19results about How to "Realize self-lubrication" patented technology

The utility model discloses a fan self-lubricating bearing seat, which comprises a bearing seat and an oil storage tank, and two end parts of the bearing seat are respectively provided with a bearing and a mounting journal for mounting the bearing; the mounting journals are respectively connected with an end cover towards the outer side, and the end covers are annularly arranged and shield the bearings; the fan main shaft is movably mounted on the bearing seat through two bearings; the bearing seat is symmetrically divided into an upper mounting seat and a lower mounting seat along the central axis; an oil conveying hole is formed in one side of the lower mounting seat; the oil storage tank is communicated with the oil conveying hole through an oil conveying pipe; the oil storage tank is internally provided with a partition plate and is divided into a communicating cavity and an oil storage cavity through the partition plate. The self-lubricating bearing seat has the advantages that self-lubricating inside the bearing seat is achieved through the oil storage tank arranged on one side of the bearing seat, the oil way on-off device arranged in the oil storage tank and the electromagnetic valve arranged on the top of the oil storage tank; and the end cover is arranged to prevent lubricating oil from leaking, and compared with a traditional shaft seal design, the service life is longer.

The utility model belongs to the technical field of thin-wall angular contact ball bearings, and particularly relates to a thin-wall angular contact ball bearing capable of being quickly lubricated, which comprises a bearing component, the bearing component comprises an outer ring, a lubricating component is fixedly connected inside the outer ring, and clamping components are arranged at the upper end and the lower end of the inner wall of the outer ring. The lubricating assembly comprises six sets of piston cylinders fixedly connected to the interior of the outer ring, pistons are slidably connected to the inner walls of the six sets of piston cylinders, piston rods are welded to one sides of the pistons, and the surfaces of the piston rods are sleeved with springs. The bearing friction coefficient is reduced, the service life is prolonged, meanwhile, self-lubrication can be achieved through rotation of the balls, manual spraying is not needed, when the ball is separated from extrusion of the balls, the piston is driven to reset under the counter-acting force of the spring, and the service life is prolonged. And under the action of the one-way piece, lubricating oil can be effectively pumped into the oil storage tank through the oil pumping pipe.

The present invention discloses a machine tool with a self-lubricating function, including a base plate, a column, a connecting part, a rocker arm, a guide rail, a spindle box, an oil tank, an oil pipeline, a power box, a storage shell, a rack, a driving gear, a driven gear, a transmission shaft, a sleeve, a conveying wheel, an oil valve, a limit shell, an isolation plate, a first spring, a push rod, an oil outlet pipe, an oil outlet branch pipe, a workbench, an outer cover, a storage groove, a shield plate, a connecting cross bar, a fixing hole, a latch, a second spring, a waste shell, a high-pressure air pump, an air pipeline, an air outlet and an identification piece. The present invention uses the sliding of the spindle box on the rocker arm guide rail to provide power to drive the conveying wheel to rotate, and uses the conveying wheel to provide power for pumping oil. At the same time, a push rod is added to the conveying wheel, and the push rod can be used to push open the isolation plate, so that self-lubrication is achieved without adding an additional power source; a liftable shield plate is added around the workbench to improve the safety performance of the machine tool during operation without affecting the processing.

This utility model relates to the field of mechanical engineering technology, specifically a self-lubricating guide wheel assembly structure, including a wheel frame. A bearing is located in the center of the wheel frame, and a wheel body is rotatably mounted on the outer side of the bearing. Annular grooves are formed on both sides of the center of the wheel body. Guide channels are formed around the perimeter of the upper part of the center of each of the two annular grooves. A cover plate is provided on one side of the center of each of the two annular grooves, and a sealing ring is fixedly installed on one side of each of the two cover plates. An oil injection hole is penetrated through one side of the center of each of the two sealing rings. This utility model stores grease in the annular grooves and uses centrifugal force to precisely deliver grease to the connection between the wheel and the bearing through the guide channels, achieving continuous self-lubrication of the bearing friction surface. The structure of the oil injection hole and plunger allows for grease replenishment without disassembling the wheel, significantly reducing maintenance costs. Simultaneously, the dual protection of the dust cover and sealing rings ensures the cleanliness and stability of the grease, significantly extending the service life of the wheel assembly.

The invention provides a polyimide composite material with a polyglutamic acid self-lubricating coating as well as a preparation method and application of the polyimide composite material. The polyimide composite material comprises a polyimide matrix and a polyglutamic acid coating formed on the surface of the polyimide matrix. According to the preparation method, a soluble amino-terminated polyimide resin material is firstly prepared through chemical structure design and polymer process optimization, and large-volume non-conjugated groups exist in a polymer molecular structure, so that the interaction between polyimide molecular chains can be destroyed, and the polyimide has excellent solubility in various solvents. Then, the surface of the soluble amino-terminated polyimide resin material is coated with a polyglutamic acid coating, carboxyl in polyglutamic acid can improve the hydrophilicity of polyimide and achieve self-lubrication of polyimide, and carboxyl in polyglutamic acid and amino in polyimide can be subjected to an acid-amine condensation reaction; the binding force between the polyglutamic acid coating and the polyimide resin material is improved.

The utility model discloses a thin-wall angular contact ball bearing and relates to the technical field of bearings. The bearing comprises an outer ring, an inner ring, a retainer and rollers, the inner ring is arranged in the outer ring, the retainer is arranged between the inner ring and the outer ring, a plurality of pockets distributed in an annular array mode are formed in the retainer, the rollers are arranged in the pockets, and a lubricating assembly is arranged on the outer ring. According to the angular contact bearing, the two outer rings can be assembled together by arranging the threaded holes and the fixing bolts, in the transmission process, the supporting performance of the angular contact bearing is improved, and vibration generated when an external transmission shaft rotates is reduced; lubricating oil in the oil storage piece flows on the roller through the leakage net and the discharge pipe to lubricate the roller in the rotating process, so that self-lubrication of the angular contact bearing in the working process is conveniently achieved, the service life of the angular contact bearing is effectively prolonged, and the transmission efficiency of the angular contact bearing is effectively improved.

The utility model relates to a wire drawing die technical field especially relates to a kind of self-lubricating wire drawing die, comprising: die body, center is equipped with inner chamber, and inner chamber is sequentially connected with inlet area, compression area, sizing area and outlet area;Storage tank is installed in the inlet area side of die body, and the middle part of storage tank is provided with through-hole;Multiple blocking pieces are installed in the inner chamber of storage tank along the equiangular angle of the through-hole of storage tank, and two blocking pieces are rotatably installed on the adjacent two blocking pieces;Multiple conveying pieces are coaxially fixedly installed on multiple mounting shafts respectively, and multiple recessed holes are provided on the equiangular angle of conveying piece;Two sealing pieces are respectively installed at the two ends of multiple blocking pieces, and the blocking groove of conveying piece and sealing piece is slidingly connected;Through the utility model, the wire drawing lubrication effect is improved.

The utility model discloses a chain transmission folding door, which belongs to the technical field of folding doors and comprises a driving frame, telescopic vertical frames are arranged on two sides of the bottom of the driving frame, a base is arranged at the bottoms of the telescopic vertical frames, a plurality of sliding grooves are arranged at the upper end of the base, and a driving motor is arranged on one side of the upper end of the driving frame. The telescopic motor rotates to drive the screw rod to rotate, the screw rod drives the telescopic block to move in the containing groove, the height of the base is changed, the telescopic door plate moves under the action of the elastic force of the spring, the telescopic door plate is tightly inserted into the sliding groove, height adjustment of the folding door is achieved, and different use requirements are met; according to the chain self-lubricating device, the self-lubricating assembly is arranged, the sealing cover is opened through screwing, the lubricating agent is injected into the liquid storage cylinder, the liquid storage cylinder is arranged in the driving frame through screwing, the sponge mat makes contact with the chain, the chain rotates to make contact with the lubricating agent in the sponge mat, self-lubricating of the chain is achieved, the rotating stability is improved, and blocking is avoided.

The axial thrust adjusting device comprises a steam turbine body, a balance disc is installed on a rotor of the steam turbine body, a thrust bearing is connected to a stator of the steam turbine body, and a first steam extraction opening and a second steam extraction opening are formed in the steam turbine body. The distance between the first steam extraction opening and a steam inlet of the steam turbine body is smaller than that between the second steam extraction opening and the steam inlet of the steam turbine body, and the steam inlet of the steam turbine body is formed in the middle section of a stator of the steam turbine body. The first steam extraction opening or the second steam extraction opening is automatically selected to be connected according to the temperature change of the thrust pad, so that the change of axial thrust can be responded, the working efficiency is effectively improved, stable operation of a unit under variable working conditions is ensured, supply of lubricating oil is adjusted in time when the temperature of the thrust pad changes, self-lubrication of the thrust bearing is achieved, and the service life of the thrust bearing is prolonged. Friction is effectively reduced, temperature abnormity is prevented, and the reliability and durability of equipment are improved.

The utility model discloses a ball pin seat for automobile steering system, shell, the ball seat body of integral mould with shell, the bushing of being located in the ball seat body and the ball pin of bottom embedding in the bushing, the ball seat body center is equipped with the mounting hole of going through up and down, the bushing is located in the mounting hole, and the bottom of mounting hole is connected with the compression seat of screw thread, is equipped with the oil storage cavity in the compression seat, and the bottom of bushing is equipped with a plurality of drainage holes of uniformity in the circumference, and the both ends of drainage hole communicate bushing inside and oil storage cavity, and the clearance between ball pin and bushing is filled with lubricating oil, and the oil storage cavity is filled with the inflation graphite - paraffin compound, the inner wall of drainage hole is processed to have spiral flow guide groove, and the inflation graphite - paraffin compound filled in the oil storage cavity melts and expands when temperature rises, and the stored lubricating oil is pumped back to bushing and realizes self -lubricating in reverse, and the inflation graphite promotes lubricating oil microcirculation under the vibration of vehicle, reduces the wear and tear of ball pin seat, prolongs the life.

The utility model discloses a durable spring catapulting device, relates to the catapulting device technical field, including damper, base and third return spring, the outer wall of base is equipped with the locking sleeve, the top of base is equipped with the mounting sleeve, the inner wall of mounting sleeve is equipped with the damper, and the outer wall of damper is equipped with the first return spring, and the third return spring is equipped with the second return spring. An ejection block is mounted at the top end of the damper, an ejection groove is formed in the top end of the ejection block, a lifting block is mounted on the outer side of the mounting sleeve, and pull plates are connected to the outer walls of the two sides of the lifting block. A lifting block is moved downwards, a damper and a first reset spring are extruded to deform, then a locking sleeve is rotated and matched through threads, the locking sleeve is moved upwards, a third reset spring and a pressing rod are pressed in the locking sleeve, the pressing rod drives a locking block to be clamped into a locking groove to be locked through extrusion, an ejection object in an ejection groove is conveniently placed, and the ejection effect is good. The problem that a locking function is not achieved is solved.

The utility model discloses an oil-gas separator pressure control valve structure based on a matching part structure. The pressure control valve structure comprises an air outlet cylinder, an air outlet cover, a plunger and a spring. An air inlet channel extending in the axial direction is formed in the center of the air outlet cylinder; an inner conical surface is processed at the tail end of the air inlet channel; the air outlet cover is provided with a plunger hole, an air outlet channel and a circumferential vent hole; the plunger hole is communicated with the atmosphere; communicated annular spaces are formed between the inner side wall of the air outlet cylinder and the outer side wall of the air inlet channel as well as between the inner side wall of the air outlet cover and the outer side wall of the plunger hole; the circumferential vent holes are used for communicating the annular space with the air outlet channel; the plunger and the plunger hole are in matching part fit, and the cylinder can do reciprocating rectilinear motion in the plunger hole; and the spring is propped between the conical body and the air outlet cylinder. According to the pressure control valve structure, the turning amplitude and frequency of gas in the pressure control valve structure can be reduced, the gas flow resistance at the gas outlet of the oil-gas separator is effectively reduced, and self-lubrication can be achieved.

The foam liquid pipeline and the foam conveying and rotating pump are switched without shutdown, and the foam liquid is conveyed to the liquid adding outlet from the foam liquid pipeline by the pump. A three-way ball valve is arranged between the pump and the liquid adding outlet, the three-way ball valve comprises an inlet communicated with the pump, a first outlet communicated with the liquid adding outlet and a second outlet communicated with one end of the liquid return pipeline, and the three-way ball valve controls switching between the first outlet and the second outlet through rotation of a valve element of the three-way ball valve; the other end of the liquid return pipeline communicates with an inlet of the pump; when the valve element is switched to the second outlet, the foam liquid enters the liquid return pipeline through the three-way pipe, and internal circulation backflow is formed between the outlet and the inlet of the pump. According to the utility model, the three-way ball valve and the liquid return pipeline are additionally arranged, so that the internal circulation of the foam liquid can be realized under the condition that the output of the foam liquid needs to be stopped for a short time, the foam inlet pipeline and the foam outlet pipeline can be switched without shutdown, the liquid supply requirements of different foam fire fighting trucks are met, the workload of operators is reduced, and the fire extinguishing efficiency is improved.

The utility model relates to automobile parts, and provides a novel knuckle bearing V pusher which comprises a first connecting rod, a second connecting rod, a V-end ball head sub assembly, a first ball pin sub assembly and a second ball pin sub assembly, and the V-end ball head sub assembly comprises a mounting seat, a ball head, a metal bearing outer ring, a ball seat and an end cover. A containing cavity between the ball seat and the end cover and a containing cavity between the ball seat and the installation seat are both filled with lubricating grease, a first spiral oil channel and a second spiral oil channel are formed in the inner wall of the metal bearing outer ring, and an oil channel inlet of the first spiral oil channel is communicated with the lubricating grease in the containing cavity between the ball seat and the end cover. An oil duct inlet of the second spiral oil duct is communicated with lubricating grease in a containing cavity between the ball seat and the mounting seat, and an oil duct outlet of the first spiral oil duct and an oil duct outlet of the second spiral oil duct are both located in a bearing contact area between the metal bearing outer ring and the ball head. The problems that an existing thrust rod assembly is short in service life, and potential safety hazards exist in use of a driver are solved.

The invention belongs to the field of aero-engines, and discloses a lubricating oil pump structure suitable for a lubricating oil system of a lift fan of a short vertical take-off and landing engine, the lubricating oil pump structure comprises a shell assembly of a pump, the interior of the shell assembly is divided into a booster cavity and a working cavity, and the shell assembly is provided with a booster oil inlet, a booster oil outlet and a lubricating oil return port of the pump; lubricating oil enters the pressurizing cavity from the pressurizing oil inlet of the shell assembly and is discharged from the pressurizing oil outlet after being pressurized in the pressurizing cavity. The working cavity is communicated with the outside through a lubricating oil return opening; a bypass oil way is arranged between the pressurization oil outlet and the lubricating oil return opening. By arranging the bypass oil way, the flow of the booster stage outlet is guided to the oil return stage inlet, and self-lubrication of the oil return stage of the lubricating oil pump is achieved. According to the invention, the flowing direction of the lubricating oil introduced into the oil return stage inlet is controlled through the compression screw, so that the lubricating oil can smoothly flow into the oil return stage. The flow of lubricating oil introduced into an inlet of the oil return stage is controlled through the throttling nozzle, and insufficient flow of the booster stage caused by lubricating the oil return stage is prevented.

The invention discloses a lubricating oil composition and a preparation method thereof, and relates to the field of lubricating oil preparation, the lubricating oil composition comprises base oil, oil storage particles, metal salt, an antioxidant and a preservative; the preparation method of the oil storage particles comprises the following steps: adding plant polyphenol-based porous carbon into a dialkyl dithiophosphoric acid absolute ethyl alcohol solution, and carrying out ultrasonic mixing, drying and grinding to obtain the oil storage particles. The plant polyphenol-based porous carbon is prepared by performing a double-template method on nano silicon dioxide and PluronicF127; the oil storage particles in the lubricating oil composition have high dispersibility, high mesoporous performance and high oil storage performance, and the wear resistance of the lubricating oil composition can be improved.

The utility model discloses a rail wagon self-lubricating hand braking device which comprises a main body module and a lubricating module. The main body module comprises a bottom plate, a structural support fixed to the bottom plate, a driving piece rotationally installed on one side of the structural support, a second rotating shaft rotationally installed on the other side of the structural support, a large gear fixedly connected to the second rotating shaft in a sleeving mode and engaged with the driving piece, and a steel chain with the end fixed to the large gear. The bottom plate and the structural support are both used for installing other assemblies and ensuring the stability of all the assemblies, the driving piece is used for facilitating rotation of a worker so as to drive the large gear to rotate, and the driving piece comprises a first rotating shaft rotationally arranged on the structural support, a small gear fixedly connected to the first rotating shaft in a sleeving mode and a hand wheel fixed to the end of the first rotating shaft; the self-lubricating hand braking device of the railway wagon has the advantages of being capable of achieving automatic lubrication and high in practicability.

The utility model discloses an automobile torsion control arm which comprises an arm body and a shaft sleeve. A mounting cavity is formed in the shaft sleeve, a plurality of notches communicated with the mounting cavity are circumferentially distributed in the inner circumferential wall of the shaft sleeve at equal intervals, fixing pieces corresponding to the notches are fixedly arranged in the mounting cavity, the fixing pieces and the corresponding notches can form ball grooves, balls are rotationally mounted in the ball grooves, and the balls extend out of the ball grooves through the corresponding notches; through the arrangement of the notches, the fixing pieces, the balls and other components, self-lubrication can be achieved, the friction coefficient of the connecting positions of other components and the shaft sleeve is reduced, abrasion of the control arm is reduced, and the service life of the control arm is prolonged; and through the arrangement of a sliding groove, a sliding block, an adjusting groove and an adjusting piece, the control arm can effectively adapt to different use environments, and the universality of the control arm is greatly improved.

The utility model discloses an efficient numerically-controlled machine tool sliding block with a self-lubricating structure, which relates to the technical field of numerically-controlled machine tool sliding blocks and comprises a sliding block body, a roller is rotationally arranged in the sliding block body, a first gear is arranged on a rotating shaft of the roller through key connection, an oil bin is arranged on the upper portion in the sliding block body, and an opening is formed in the bottom of the oil bin. A through hole used in cooperation with the opening is formed in the sliding block body through a second gear, and the sliding block body is further provided with a collecting cylinder, a liquid outlet pipe and sponge. The idler wheels arranged in the sliding block make contact with the sliding rail, sliding efficiency is guaranteed, meanwhile, the oil bin, the second gear, the collecting barrel and other components are matched with one another, when the through hole is aligned to the bottom opening of the oil bin, lubricating oil flows into the collecting barrel, and along with increase of the lubricating oil in the collecting barrel, the supporting rod and the piston are pushed to move; and the lubricating oil is discharged through the liquid outlet pipe, is collected by the sponge and is uniformly smeared on the roller, so that the roller is self-lubricated.