17results about How to "Stable lubrication" patented technology

The utility model relates to the technical field of steam-water separation, and discloses a steam-water separation structure of a pure steam generator, which comprises a main body of the steam generator, an isolation plate and a stirring rod, the surface of the isolation plate is provided with through holes, and the isolation plate is installed in the main body in an up-down sliding mode. The stirring rod is provided with a driving assembly for driving the stirring rod to rotate, the driving assembly is mounted on the main body, the driving assembly comprises a transmission rod, the bottom end of the transmission rod penetrates into the main body and is fixedly connected with the middle of the stirring rod, a jacking assembly is connected between the transmission rod and the isolation plate, and the isolation plate is driven to move up and down through the jacking assembly. In the whole using process, the driving assembly and the jacking assembly are used for driving the isolation plate to slide up and down, and compared with the prior art, a sliding groove for sliding of the sliding block is eliminated, so that isolation between the gear and steam can be effectively formed, and it is guaranteed that lubricating grease on the gear can be stably lubricated.

The invention relates to the technical field of petroleum drill rods, in particular to a drill rod joint gradient coating and a preparation method and a coating method thereof. The gradient coating of the drill rod joint comprises a bottom layer, a middle layer and a surface layer, the bottom layer, the middle layer and the surface layer are sequentially stacked on the surface of a drill rod connector base body which is subjected to plasma electrolytic polishing-micro-arc oxidation composite pretreatment and silanization bridging. According to the invention, the whole process optimization of anchor pattern pretreatment-coating coating-curing molding of the drill rod thread is realized, through unique composition design and a spraying process, the comprehensive properties of lubrication, wear resistance and rust prevention of the coating are improved, continuous protection and performance recovery of the thread surface under dynamic load are realized, and the service life of the thread is prolonged. The service life of the drill rod is effectively prolonged, the maintenance cost is reduced, the problem that shackling cannot be conducted in the using process can be effectively solved, and heavy metal pollutants cannot be generated in the technological process.

This utility model relates to a lubrication device for a down-the-hole drill hoisting system, belonging to the field of mining equipment technology in the metallurgical industry. The technical solution is as follows: the bottom sprocket (7) and the top sprocket (9) are respectively fixed on the drill frame (12), and the bottom sprocket (7) and the top sprocket (9) are connected by a hoisting chain (6). The pressure sprocket (3) cooperates with the hoisting chain (6). The lubricating oil tank (1) is located above the pressure sprocket (3). The upper end of the oil dripping pipe (15) is connected to the bottom of the lubricating oil tank (1), and the lower end of the oil dripping pipe (15) faces the pressure sprocket (3). One end of the high-pressure air pipe (5) is connected to the air compressor (17), and the other end of the high-pressure air pipe (5) faces the bottom sprocket (7). An adjusting valve (2) is installed on the oil dripping pipe (15), and an air pipe valve (8) is installed on the high-pressure air pipe (5). The beneficial effects of this utility model are: ensuring the lubrication of the hoisting chain, and using high-pressure airflow to remove mineral powder on the sprocket and chain, avoiding grease splashing.

According to the rotary thrust plate system and the hydraulic axial variable plunger pump, a rotary thrust plate with rollers is arranged between a sliding shoe and a variable swash plate, and sliding friction between the sliding shoe and the variable swash plate is converted into rolling friction. The sliding shoe is fixed on the thrust plate to eliminate relative motion; and the conical self-aligning raceway on the swash plate is matched with the roller. An isolation type lubrication packaging structure is adopted, the problem that a sliding shoe is prone to abrasion and ablation is fundamentally solved, the working service life of the pump is prolonged, the reliability of the pump is improved, and the maintenance cost is reduced.

The utility model discloses an axle tube assembly with an automatic lubricating system, and relates to the technical field of vehicles, in particular to the axle tube assembly with the automatic lubricating system. Comprising a main body, a cooling device, a driving control device, a lubricating pump, a driven control device, a detachable assembly, an assembly sleeve, an electric heater, a top cover, a buckle, a lubricator storage groove, a temperature controller, a temperature sensor and a magnet. According to the lubricating device, the lubricating pump, the driving control device, the driven control device and the lubricator storage groove are integrated, the automatic and uniform lubricating function is achieved, and friction and abrasion are effectively reduced. According to the modular design, through magnets and detachable assemblies, the maintenance and replacement process is simplified, and the maintenance cost is reduced. The temperature control system comprises an electric heater, a cooling device, a temperature sensor and a temperature controller, it is ensured that the equipment operates within the optimal temperature range, and the operation stability and safety of the equipment are improved.

The invention discloses a high-temperature-resistant self-lubricating three-ring speed reducer for rolling, and relates to the field of three-ring speed reducers, the high-temperature-resistant self-lubricating three-ring speed reducer comprises a speed reducer lower shell and a speed reducer upper shell fixedly connected to the top of the speed reducer lower shell, an oil storage tank is fixedly connected to the upper portion of the speed reducer upper shell, and a lubricating mechanism is installed below the oil storage tank; a transmission mechanism is installed on the inner side of the speed reducer upper shell. The oil storage tank stores lubricating oil, it is ensured that an oil source is sufficient when the speed reducer operates, the rotating plate rotates along with a machine, makes contact with the baffle and enables the baffle to move upwards, the spring is extruded, the baffle moves to drive the movable rod and the movable pipe, the oil outlet is made to communicate with the discharging pipe, and therefore the lubricating oil is supplemented to the needed position; the baffle moves downwards due to the gravity and the elastic force of the spring, connection between the oil outlet hole and the discharging pipe is disconnected, lubricating oil supplementing is stopped, stage self-lubricating of the speed reducer is achieved in the circulation process, the operation efficiency is improved, the service life is prolonged, the maintenance cost and frequency are reduced, and the cooling effect can be achieved.

The utility model relates to a sealing structure and a universal coupling applying the same, in particular to a sealing structure which comprises a tooth-shaped sealing part embedded in a spline housing of the universal coupling, a sealing tooth groove is formed in the tooth-shaped sealing part, and the sealing tooth groove is communicated with the spline housing. The shape of the section, perpendicular to the axis direction, of the sealing tooth groove is matched with the shape of a spline tooth of the universal coupling. And the pressing piece is fixed with a spline housing connected with the universal coupling and is used for pressing the tooth-shaped sealing piece. The coupling has the effect that the coupling can be stably lubricated by lubricating oil in the long-term use process.

The invention relates to a sewing machine and a lubricating method of the sewing machine, the sewing machine comprises a rotating shuttle shaft assembly, the rotating shuttle shaft assembly comprises a rotating shuttle axial moving structure, a rotating shuttle shaft structure and a tooth frame shaft structure, the rotating shuttle axial moving structure is connected with the rotating shuttle shaft structure, and the tooth frame shaft structure is matched with the rotating shuttle shaft structure; the rotating shuttle shaft structure comprises a spline rotating shuttle shaft and a spline shaft sleeve, and the spline shaft sleeve is arranged on the circumferential outer side of the spline rotating shuttle shaft in a sleeving mode. The spline rotating shuttle shaft is provided with a hollow first lubricating oil containing space and a first lubricating oil communicating channel, the first lubricating oil communicating channel is arranged on the side wall of the spline rotating shuttle shaft and communicates the first lubricating oil containing space with the outside of the spline rotating shuttle shaft, and an outlet of the spline first lubricating oil communicating channel is located in the spline shaft section of the spline rotating shuttle shaft. The spline shaft sleeve is correspondingly arranged on the spline shaft section of the spline rotating shuttle shaft. According to the technical scheme, the problem that in the prior art, lubricating oil conveying of a sewing machine is not stable is effectively solved.

The utility model belongs to displacement platform technical field especially relates to a high clean vacuum displacement platform, including base, the both ends fixed mounting of base have bearing seat, be equipped with slide rail on base, the movable installation of slide rail has displacement platform, be equipped with buffer mechanism in displacement platform. This high clean vacuum displacement platform, in precision and stability, through the linkage design of spring and damper, makes the vertical direction self -adaptation adjustment of gyro wheel frame can be realized with load weight, and the buffer gap cooperation damper of buffer groove and slide rail limiting edge attenuates the outside vibration impact energy in short time, compared with traditional rigid structure, the precision and stability are improved obviously, in clean and durability, the contact surface of slide rail and sliding block is coated with molybdenum disulfide self -lubricating wear -resisting coating, reduces the friction coefficient and reduces the generation of debris, prolongs the service life of displacement component, and the coating does not volatilize, does not absorb the impurity in vacuum environment, can steadily play lubricating effect, satisfies the use demand of high clean vacuum environment.

The present invention relates to the technical field of drill bits, and discloses a self-lubricating magnetic base drill bit that avoids jamming, comprising a joint, an oil chamber, a driving head, a cutter head, an oil plate, an oil spray head, and an L-shaped oil groove. The inner wall of the driving head is movably connected with a pumping mechanism, and the pumping mechanism comprises a transfer chamber, a one-way tube is fixedly connected to the top of the transfer chamber, a membrane capsule is fixedly connected to the inner wall of the transfer chamber, and a magnetic rod connected to the membrane capsule is slidably inserted into the inner wall of the transfer chamber. The self-lubricating magnetic base drill bit that avoids jamming controls the pressing of an appropriate amount of lubricating oil into each passage L-shaped oil groove based on the centrifugal force of the membrane capsule and the intermittent attraction of the magnetic wheel, cooperates with positioning the L-shaped oil groove inside the curved groove, and designs the L-shaped oil groove port to be parallel to the axis of the cutter head to avoid sputtering, and cooperates with using a push rod to clear the output ports of the L-shaped oil grooves on both sides, thereby effectively avoiding jamming of the drill bit, ensuring stable lubrication and avoiding oil waste.

The utility model provides a novel concrete crushing road roller belongs to crushing road roller technical field, including operation machine, fixed mounting operation subassembly on operation machine surface, rotary installation wheel of operation machine bottom portion to road roller subassembly of fixed installation operation machine side surface, the utility model discloses the design of the ladder and operation bin of operating subassembly with handrail, has promoted operation security and comfort level, the modularization connecting structure of road roller subassembly realizes the efficient cooperation of crushing and compaction function through the cooperation of connecting piece, fixed frame and fixed pin, the unique limiting part adopts the self -lubricating system that oil groove, elastic part and oil absorbing cotton constitute, cooperates ball bearing and wiping board structure, ensures that the compression roller keeps stable lubrication in long -time operation, the intercommunication design of oil pipe and operation machine oil tank has realized the centralized oil supply, has improved maintenance convenience, the clamping structure of insertion slot and compression roller has strengthened equipment operation stability.

The utility model relates to the technical field of straightening guide, and discloses a straightening guide cylinder with a protective structure, which comprises a guide cylinder, support parts are symmetrically and fixedly connected in the guide cylinder, roller shaft levers are rotatably connected on the support parts, rollers are fixedly connected on the roller shaft levers, N-shaped parts are fixedly connected in the support parts, and the N-shaped parts are fixedly connected on the support parts. An N-shaped piece is arranged on the roller shaft rod, an electric driving gear is rotationally connected to the N-shaped piece, a driven gear is fixedly connected to the roller shaft rod, and the electric driving gear is meshed and matched with the driven gear, and through the design, the production efficiency of the whole work can be improved, that is, shutdown operation is needed in a traditional lubricating mode, and the production process can be interrupted. And the equipment can be lubricated during operation, so that the downtime is avoided, and the production continuity is guaranteed. Taking a metal pipe straightening production line as an example, if the production line is shut down for one hour due to lubrication originally, the shutdown loss of the hour can be reduced after new equipment is used, so that the production line can realize continuous output, and the yield in unit time is greatly improved.

The invention discloses a mechanical sealing element device for a self-lubricating reaction kettle, which comprises a mounting seat fixedly mounted at the top of the reaction kettle, a stirring motor is fixedly mounted on the mounting seat through a mounting frame, an output shaft of the stirring motor is fixedly connected with a stirring shaft, and the bottom end of the stirring shaft rotatably extends into the reaction kettle and is fixedly connected with a stirring paddle; a mechanical sealing bearing is fixedly mounted at the top of the reaction kettle; the stirring shaft is rotationally mounted on the mechanical sealing bearing in a sealing manner. The amount of lubricating oil can be automatically added and regulated according to the real-time working condition of the reaction kettle, the regulated oil supply amount is very stable, the sealing performance of sealing pieces such as mechanical sealing bearings is greatly improved, and the service life of the sealing pieces is greatly prolonged; in this way, the complex and changeable working environment of the reaction kettle can be better adapted, precise control and self-adaptive adjustment of the lubricating oil amount are achieved, the sealing performance and reliability are greatly improved, the maintenance cost is reduced, and the service life is prolonged.

The application discloses a bearing for a vertical shaft, comprising an outer ring and an inner ring, two rows of retainers are arranged between the outer ring and the inner ring, rolling bodies are assembled in the retainers, the retainers comprise an upper edge part, a pocket part and a lower edge part, the upper edge part is arranged along the axial direction of the outer ring, the lower edge part is arranged along the radial direction of the outer ring, the pocket part is arranged obliquely, a plurality of pockets are arranged on the pocket part, pocket beams are formed between adjacent pockets on the pocket part, a plurality of outer convex ribs are arranged obliquely on the outer circumferential wall of the retainer, a plurality of inner convex ribs are arranged obliquely on the inner circumferential wall of the retainer, and the inner convex ribs and the outer convex ribs are arranged at positions corresponding to the pocket beams. The bearing has the advantages of simple structure, effective solution to the problems of uneven distribution of lubricating grease, double-row bearing lubricating grease flow and poor sealing reliability in the prior art, and effective improvement of the operation stability and service life of the bearing.

The utility model relates to the technical field of speed reducers, in particular to a monorail crane driving speed reducer which comprises a shell, a high-speed input shaft, a low-speed input shaft, a high-speed planet carrier, a low-speed planet carrier, a high-speed planet gear, a low-speed planet gear, a high-speed planet gear shaft and a low-speed planet gear shaft. The high-speed planetary gear is connected with the high-speed planetary gear shaft through a cylindrical roller bearing, and the low-speed planetary gear is connected with the low-speed planetary gear shaft through a needle bearing; a first protruding structure is arranged on the inner wall of the shell, the low-speed planet carrier is provided with a first extending part, the first extending part is provided with a first step structure, and the first protruding structure is provided with a second step structure. And the inner ring and the outer ring of the full roller bearing are respectively arranged on the first step structure of the first extension part and the second step structure of the first bulge structure. The bearing has the advantages that the combined load bearing capacity is improved, the lubrication stability at high temperature and high speed is ensured, the assembly is simplified, and the maintenance cost is reduced due to the split type sealing cavity.

The present invention relates to a fast-roll-changing horizontal two-roll rolling mill, comprising a frame and a rolling unit, wherein the rolling unit comprises a left rolling roller support assembly, a rolling roller assembly and a right rolling roller support assembly which are sequentially arranged in a horizontal direction, wherein the left rolling roller support assembly comprises a left rolling roller seat, a left bearing and a left shaft sleeve which are sequentially arranged from the outside to the inside, the left shaft sleeve is hollow inside, and a plug-in block is extended from the left shaft sleeve toward one end of the rolling roller assembly, and the left rolling roller seat is slidably embedded in a mounting groove; the right rolling roller support assembly comprises a right rolling roller seat, a right bearing and a right shaft sleeve which are sequentially arranged from the outside to the inside, the right shaft sleeve is hollow inside, and the right rolling roller seat is slidably embedded in the mounting groove, and the rolling roller assembly comprises two ends of the rolling roller assembly which are coaxially slidably plugged into the left shaft sleeve and the right shaft sleeve, and the rolling roller assembly is provided with a plug-in groove which cooperates with the plug-in block, so that the rolling roller assembly can be quickly disassembled and replaced.

The invention discloses an assembling method of an oil-leakage-proof press-resistant ultrathin fan, which comprises the following steps: preparing a base, a sliding bearing, a rotor assemblage and a supporting assembly, and integrally forming a supporting column on a middle pipe to obtain the supporting assembly; riveting a supporting assembly at the mounting hole to obtain a first semi-finished product; arranging the FPC and the stator outside the first semi-finished product; the first gap and the second gap which are different in size are defined by the grooves of the supporting columns and the inner wall of the shaft core, lubricating grease of the first gap and the second gap generates high pressure, lubricating oil between the outer surface of the shaft core and the sliding bearing is prevented from overflowing from the second gap, and the sliding bearing is prevented from overflowing through the pumping effect or the labyrinth sealing effect generated by the grooves when the rotor rotates. Lubricating oil is actively prevented from overflowing and leaking along the shaft core, so that a dynamic sealing mechanism is more reliable compared with traditional static sealing, the problem that lubricating oil leaks when an ultrathin fan runs for a long time or in a high-temperature environment is solved, and stability and cleanliness of the fan in long-term running are guaranteed.