523results about How to "Guaranteed lubrication effect" patented technology

The invention discloses an efficient variable-frequency low-temperature compressor system and a compression method thereof. The method comprises the steps that the actual oil-gas separation efficiency is obtained; inputting the working condition parameters of the compressor into a preset neural network prediction model to obtain an oil-gas separation efficiency prediction value and a theoretical solubility reference value; according to the actual oil-gas separation efficiency, the oil-gas separation efficiency predicted value and the theoretical solubility reference value, working condition deviation data is calculated, the comprehensive performance of the compressor at different frequency points is evaluated and calculated through an optimization algorithm, and a frequency adjustment curve is generated; according to the frequency adjusting curve, the operation frequency of the compressor is divided into a plurality of adjusting intervals, the operation frequency is adjusted in a stepped mode according to the adjusting intervals, the temperature and vibration parameters of the bearing are monitored in the adjusting process, and frequency adjusting feedback data are obtained; and according to the frequency adjustment feedback data, oil-gas separation efficiency deviation is periodically calculated, and compensation adjustment is conducted on the frequency adjustment curve. According to the technical scheme, insufficient lubrication and energy efficiency reduction of the compressor can be avoided.

The invention relates to the technical field of gear oil injection, and provides a power plant coal mill bull gear oil spraying device which comprises an oil storage tank used for storing oil, one side of the oil storage tank is communicated with a pump body provided with two liquid outlets, the two liquid outlets of the pump body are communicated with a spraying assembly in a coal mill gearbox through oil injection pipes, and the spraying assembly is communicated with the oil storage tank. The spraying assembly is driven by an electric push rod to be stored, a cavity is formed in the other side of the oil storage tank, a motor is installed in the cavity, and two cooling pipes in the oil storage tank are located on the outer wall of the motor in a spiral mode so that energy transmission between the cooling pipes and the motor can be achieved. The phenomenon that the spray head is blocked due to exposure in air is avoided, the spraying efficiency of lubricating oil is ensured, meanwhile, the flowability and the lubricating performance of the lubricating oil are ensured through energy conversion, the lubricating effect is improved, gear abrasion is reduced, the service life of the gear is prolonged, and on the contrary, a certain cooling effect can be achieved on the motor.

The invention relates to a production line for continuous production of sofa iron stands, which comprises an upper wheel die holder, a lower wheel die holder is clamped at the bottom end of the upper wheel die holder, a driving shaft is fixedly connected to the inner ends of the upper wheel die holder and the lower wheel die holder, and a workpiece is arranged at the outer end of the upper wheel die holder in a contact manner. The top end of the bending arm is in sliding connection with a hydraulic sliding block, the top end of the hydraulic sliding block is in sliding connection with a servo sliding block, the resilience force of a bent workpiece can be monitored through the detection device, accurate bending compensation is conducted, the resilience phenomenon of the workpiece caused by material characteristics is effectively compensated, and the size precision of a finished product is improved; according to the bending compensation device, the product quality and consistency are guaranteed, the stress relieving assembly conducts induction heating on the bent portion of the workpiece during bending compensation, internal stress is eliminated, secondary springback is prevented, meanwhile, the possibility that the workpiece deforms in the follow-up use process is reduced, the durability and reliability of the product are enhanced, and the overall performance of the product is improved.

The invention provides an aviation tail thrust clutch system lubrication and cooling performance test verification system which comprises a motor driving module, a lubrication and control module, a flow measurement module and a temperature measurement module and is used for testing an aviation wet clutch to be tested. According to the invention, regulation and control of different rotating speeds, different loads, different working states and flow input can be carried out, the flow of inlet and return lubricating oil and the temperature of return oil are measured so as to carry out a comparative test and the like, and comparative analysis with a simulation result is carried out so as to verify the correctness of a simulation method; the lubrication design is full-system lubrication based on axis oil supply and considering the internal and external spline pair, the multi-piece friction pair and the bearing, key parts can be ensured to be lubricated and are closer to actual requirements, meanwhile, a circulating oil path is designed, oil waste in the test process can be reduced, the cost is saved, and therefore the test efficiency is improved. Good test conditions are provided for the research on the lubricating and cooling performance of the aviation tail thrust clutch system.

The utility model discloses a wear-resistant special-shaped bushing, which belongs to the field of bushings, and comprises an inner core, an annular groove is arranged on the inner wall of the inner core, a sponge body is arranged in the annular groove, a lubricating component is arranged outside the inner core, the lubricating component comprises a shell sleeved at one end of the inner core, and the shell is sleeved at the other end of the inner core. An annular groove is formed in one end of the inner core, a cavity is formed in the inner wall of the shell, a sealing cover assembly is arranged at the other end of the inner core, a plurality of through holes communicated with the annular groove are formed in the outer wall of the inner core in a surrounding mode, and through arrangement of a sponge body and a lubricating component, when the bush is arranged on a workpiece in a sleeving mode, the lubricating component can convey lubricating oil into the sponge body; and the sponge body is attached to the outer wall of the workpiece, so that the lubricating effect of the bush and the workpiece is improved, the lubricating effect between the bush and the workpiece can be kept for a long time, the abrasion of the bush is effectively reduced, and the service life of the bush is prolonged.

The invention relates to the technical field of grease filling systems, and discloses a full-automatic grease multi-point pump filling system which comprises a grease filling device, a grease mixing tank and a multi-point pump, the grease filling device injects grease into the grease mixing tank, and the grease mixing tank is installed at the upper end of a grease barrel of the multi-point pump through a support; a stirring motor is arranged at the top of the oil mixing tank, a rotating shaft is arranged in the oil mixing tank, the stirring motor drives the rotating shaft to rotate, a transverse connecting body is arranged at the lower end of the rotating shaft, and a plurality of stirring rods are arranged on the transverse connecting body at intervals; a plurality of distributors are installed at the positions, close to bearings, of a base of the vertical lifting belt, a plurality of oil outlet ports of the multi-point pump are all connected with oil conveying pipes, and the oil conveying pipes are connected with oil inlets of the distributors; the full-automatic grease multi-point pump filling system solves the problems that a plurality of bearings of an existing vertical lifting belt need to be filled with grease manually, the labor intensity is high, and the filling effect is difficult to guarantee.

The invention belongs to the technical field of steelmaking equipment, and discloses a novel steel wire rope self-lubricating device, a using method and application. The centering device can be coaxially and detachably connected with a water outlet of a continuous casting tundish and a water inlet of a crystallizer, and the device can be detachably connected with a steel wire rope. The device can be detachably connected with the steel wire rope, is convenient to mount and dismount, and is suitable for different working environments and steel wire rope specifications. Due to the detachable connection design of the supporting frame and the mandrel and the coaxial connection of the steel wire rope frame and the mandrel, the structural stability and reliability of the device are guaranteed. According to the method, the flow speed of the oil dripping needle tube and the falling position of oil drops can be controlled by adjusting the oil pressure and the maximum diameter between the oil leakage nozzle and the steel wire rope, and waste and pollution are avoided while the lubricating effect is ensured.

The utility model discloses a novel fracturing plunger pump power end lubricating system which comprises a lubricating oil tank, an oil return port of the lubricating oil tank is communicated with an oil outlet of a plunger pump power end through an oil return pipe; an oil inlet of the first oil pump is communicated with a first oil outlet of the lubricating oil tank, and an oil outlet of the first oil pump is communicated with an oil inlet of the power end of the plunger pump through a second oil inlet pipe; an oil inlet of the oil product monitoring device is communicated with the second oil inlet pipe through a first sampling pipe, and an oil outlet of the oil product monitoring device is communicated with the oil return pipe through a second sampling pipe; the water removal and purification device comprises a second oil pump, and an oil inlet of the second oil pump is communicated with a second oil outlet of the lubricating oil tank; the input end of the water and impurity removal filter communicates with the oil outlet of the second oil pump, and the output end of the water and impurity removal filter communicates with the oil inlet of the lubricating oil tank. According to the utility model, the functions of oil product monitoring, lubrication, water removal and purification are added in the original lubrication system, so that the oil product state of the lubrication system is monitored in real time, and the oil liquid in the system can be automatically subjected to water removal and purification according to the monitored data.

The utility model discloses a portable air floating fan rotor installation positioning tool, and relates to the technical field of air floating fan rotor installation, the portable air floating fan rotor installation positioning tool is provided with a flange fixing disc, a short nylon pipe and a long nylon pipe, the flange fixing disc is used for fixing a rotor pull rod on an end cover, and the short nylon pipe is used for fixing the short nylon pipe on the end cover; the short nylon tube is responsible for protecting the rotor from being in contact with the stator and sliding lubrication, the long nylon tube is responsible for guiding installation of the bearing seat and the end cover on the other side, and the nylon tubes are conical and can be directly inserted and installed, so that the nylon tubes can be detached after being assembled by ingeniously utilizing assembly holes in a motor shell, and a product is not influenced at all. The nylon material is low in cost, lubrication can be kept, the rotor and the stator can be in indirect contact, the assembling requirement can be met, the defect that an air bearing cannot bear too heavy force is overcome, the overall structure is small and exquisite, dismounting and carrying are convenient, and the air bearing is more suitable for an existing air floating fan.

The utility model provides a cleaning and protecting structure for an image recognition camera. The structure comprises a fan-shaped window, a windscreen wiper assembly and a blowing assembly. According to the utility model, multi-stage sealing of the O-shaped sealing ring, the rotating shaft lip-shaped sealing ring and the lubricating grease is adopted for a transmission part, so that multiple protection is provided; the O-shaped sealing ring can preliminarily block particles, water slime and the like, the lubricating grease and the lip-shaped sealing ring can block water, meanwhile, lubrication is guaranteed, the reliability of equipment is improved, and the service life of the equipment is prolonged; and the fan-shaped window can be cleaned by high-pressure air flow or water flow through the blowing assembly, so that the cleaning effect is improved.

The utility model discloses a compressor and refrigeration equipment. The compressor comprises a shell, a motor assembly, a crankshaft, a spring and a supporting assembly. The crankshaft protrudes upwards to form a matching part; the supporting assembly comprises a motor bearing, and the motor bearing is provided with an assembling hole. The matching part is rotationally arranged in the assembling hole, the upper end face of the matching part is located below the plane where the upper end face of the motor bearing is located, a first oil storage cavity located above the upper end face of the matching part is formed in the assembling hole, and the maximum distance between the upper end face of the matching part and the lower end of the spring is H1 in the direction of the central axis, the minimum distance between the upper end face of the matching part and the upper end face of the motor bearing is H2, and H2 / H1 is larger than or equal to 0.04 and smaller than or equal to 0.5. The first oil storage cavity is defined between the upper end face of the matching part and the upper end face of the motor bearing, the oil blocking effect of the spring is combined, the lubricating performance can be guaranteed, the oil spitting rate can be reduced, and the reliability of the compressor can be improved.

The invention provides a scroll compressor and an air conditioner, and belongs to the technical field of air conditioning, the scroll compressor comprises a movable scroll plate, a static scroll plate, a crankshaft used for driving the movable scroll plate to translate relative to the static scroll plate and an upper support used for supporting the crankshaft, and the back face of a plate body of the movable scroll plate is provided with a movable plate bearing seat; a first ring groove is formed in the end face of the side, facing the movable vortex plate, of the upper support, a first back pressure cavity is formed between the first ring groove and the movable disc bearing seat, a second back pressure cavity is formed between the crankshaft and the movable disc bearing seat, a movable disc bearing is arranged in the second back pressure cavity, and the first end of the crankshaft is rotatably connected into the movable disc bearing seat through the movable disc bearing. The first backpressure cavity and the second backpressure cavity are arranged independently, an oil pumping channel and an oil return channel are formed in the crankshaft, and lubricating oil in the compressor oil pool can be pumped into the first backpressure cavity through the oil pumping channel and flows back into the compressor oil pool through the oil return channel. Oil stirring loss is not generated any more, power consumption of the compressor is reduced, and efficiency improvement of the compressor is facilitated.

The invention discloses a modular robot seventh shaft base and a robot seventh shaft, and relates to the technical field of mechanical engineering.The modular robot seventh shaft base and the robot seventh shaft comprise a sliding seventh shaft, a sliding rail is fixedly connected to the surface of the sliding seventh shaft, and a driving sliding block is slidably connected to the surface of the sliding rail; an adjusting mechanism facilitating installation of the driving sliding block on the surface of the sliding rail is arranged in the driving sliding block, a lubricating mechanism facilitating sliding of the driving sliding block in the sliding rail is arranged in the driving sliding block, and a cleaning mechanism for collecting impurities in the sliding rail in a centralized mode is arranged in the seventh sliding shaft. The arrangement and maintenance time of the robot system can be remarkably shortened through the characteristics that the sliding rail and the driving sliding block are used in cooperation, the fixed state of the rail sliding block in the sliding rail is controlled, the connection state of the sliding rail and the driving sliding block is controlled, and the driving sliding block is rapidly mounted and dismounted, and the production efficiency is improved.

The utility model discloses a rotary compressor and refrigeration equipment, relates to compressor technical field, rotary compressor includes shell and set up motor subassembly, crankshaft, support subassembly and oil-gas separation piece in the shell inner cavity, motor subassembly includes stator and rotor, stator and shell connection, rotor and crankshaft fixed connection, crankshaft protrudes upwards the rotor, and the oil-gas separation piece is located in the shell inner cavity. The supporting assembly is located above the motor assembly and comprises a support and a motor bearing, the support is fixedly connected with the shell, the motor bearing is installed on the support, the oil-gas separation part is fixedly installed on the rotor, and stirring plates of the oil-gas separation part are arranged around the crankshaft and extend towards the support. According to the rotary compressor, the oil-gas separation effect can be enhanced, the oil spitting amount is reduced, and the liquid level of the oil pool is stable.

The utility model relates to the field of linear guide rails, and discloses a linear guide rail convenient to lubricate. The lubricating device comprises a guide rail, the outer surface of the guide rail is connected with a sliding block in a sliding mode, the surface of the sliding block is provided with a lubricating structure, the lubricating structure comprises a movable block, the surface of the sliding block is provided with a groove, the outer wall of the movable block is connected to the inner wall of the groove in a sliding mode, the side wall of the movable block is fixedly connected with a telescopic rod, and the telescopic rod is fixedly connected with the sliding block. The outer wall of the telescopic rod is sleeved with a spring, a rotating rod is arranged on the surface of the moving block, the end, away from the moving block, of the rotating rod is fixedly connected with a rotating button, and the surface of the rotating rod is fixedly connected with a hook face of a hook-and-loop fastener. And the risk that dust attached to the surface of the guide rail is in contact with lubricating oil due to direct lubricating of the guide rail and congealed and accumulated on the surface of the guide rail is avoided, and the lubricating effect on the guide rail is improved.

The invention provides an electric aviation fuel oil and lubricating oil integrated pump device, which relates to the technical field of oil pumps, and comprises a shell, a motor, a fuel oil pump, a lubricating oil pump, a fuel oil pump outlet filter, a lubricating oil pump inlet filter and a lubricating oil pump outlet filter, the motor, the fuel pump and the lubricating oil pump are all installed on the shell, the output end of the motor is connected with a driving gear, and the fuel pump is connected with a fuel transmission gear; the lubricating oil pump is connected with a lubricating oil transmission gear; the fuel oil transmission gear and the lubricating oil transmission gear are respectively meshed with the driving gear; the fuel oil pump outlet filter, the lubricating oil pump inlet filter and the lubricating oil pump outlet filter are respectively arranged in the shell; a fuel oil inlet plug, a fuel oil outlet plug, a lubricating oil inlet plug and a lubricating oil outlet plug are respectively arranged in the shell; and a plurality of internal flow channels are also arranged in the shell. The device has the advantages that the overall structure is simplified, the occupied space and cost are saved, meanwhile, fault points of the system are reduced, and installation and maintenance are convenient.

The invention belongs to the technical field of grinding mills, and provides a large plane grinding miller and a grinding method.The grinding miller comprises a base, a moving plate is arranged on the base, a telescopic part is fixedly installed on the moving plate, the telescopic part points to the base, a lifting plate is fixedly installed at the output end of the telescopic part, and a communicating chamber is fixedly installed on the lifting plate; a partition plate is fixedly installed in the communicating chamber, a rotating shaft is rotationally installed in the communicating chamber and penetrates through the partition plate, one end of the rotating shaft extends out of the communicating chamber, and a rotating power piece driving the rotating shaft to rotate is fixedly installed on the communicating chamber. Compared with the prior art, the grinding device has the following beneficial effects that lubricating liquid and powdery chippings move upwards along the guide plate to leave the surface of a workpiece after moving to the guide plate, so that grinding chippings are cleaned, the moving distance of the grinding chippings on the surface of the workpiece is reduced, and the probability that the surface of the workpiece is scratched by the chippings is reduced; and the workpiece surface polishing effect is improved.

The invention discloses an automatic guide rail lubricating structure based on a numerically-controlled machine tool and a lubricating method thereof, and relates to the technical field of numerically-controlled machine tools. The automatic guide rail lubricating structure comprises a numerically-controlled machine tool machining table, guide rail seats are symmetrically mounted at the top of the numerically-controlled machine tool machining table, and lubricating oil storage grooves are formed in the inner centers of the guide rail seats; the top of the guide rail base is provided with a movable sliding block in an embedded mode, and the top of the guide rail base is provided with a lubricating oil scraping and finishing assembly. According to the device, the interval adjusting grooves are formed in the inner wall of the scraping and trimming frame, the scraping and trimming frame slides in the guide sliding grooves through the guide pulleys and moves in the horizontal direction along with the movable sliding blocks in the moving process of the movable sliding blocks, and the outer surface of the guide rail base is scraped and trimmed, so that lubricating oil is more uniform; when the lubricating oil scraping assembly moves, the scraping rubber plate shakes while making contact with the outer surface of the guide rail base for lubrication, the extrusion spring buffers the conduction impact force in the horizontal direction, the guide rail is evenly lubricated, and the smoothness of the sliding block in the moving process is improved.

The invention provides a titanium alloy surface wide-temperature-range self-lubricating coating and a preparation method thereof.The preparation method comprises the steps that a ceramic coating is prepared on the titanium alloy surface through a micro-arc oxidation technology; the surface of the ceramic coating is coated with an organic coating in a blade coating mode through a blade coating device, and the step of coating the surface of the ceramic coating with the organic coating in a blade coating mode through the blade coating device comprises the following steps that the surface of the ceramic coating is coated with emulsion in a blade coating mode, the emulsion is deionized water and acrylic acid, and the volume fraction of the acrylic acid is 20%-80%; and the titanium alloy subjected to blade coating is cured and cooled, and the wide-temperature-range self-lubricating coating on the surface of the titanium alloy is obtained. The titanium alloy surface wide-temperature-range self-lubricating coating prepared by the preparation method provided by the invention has a self-lubricating effect and also shows excellent wear-resisting and friction-reducing characteristics.

The utility model discloses a covering part side drawing die which comprises a lower die base, an upper die base and an oil supply mechanism, a lower oil spraying hole is formed in the top of the lower die base, a first electromagnetic valve communicated with the lower oil spraying hole is arranged on the side wall of the lower die base, an upper oil spraying hole is formed in the bottom of the upper die base, and a second electromagnetic valve communicated with the upper oil spraying hole is arranged on the side wall of the upper die base. A first electromagnetic valve communicated with the upper oil hole is arranged on the side wall of the upper die base, a second electromagnetic valve communicated with the upper oil hole is arranged on the side wall of the upper die base, the oil supply mechanism comprises an oil barrel, an oil pump communicated with the oil barrel and an oil supply pipeline communicated with the oil pump, and the oil supply pipeline is respectively communicated with the first electromagnetic valve and the second electromagnetic valve. The lower oil spraying button controls the oil pump and the first electromagnetic valve to be opened, the lubricating oil is sprayed to the bottom of the automobile covering part material from the lower spraying hole to keep the bottom of the automobile covering part material lubricated, the lubricating oil is sprayed to the top of the automobile covering part material from the upper spraying hole to keep the top of the automobile covering part material lubricated, and friction scratching of the bottom and the top is avoided.

A road seal maintenance mechanical part machining device belongs to mechanical part turning equipment and comprises an outer frame, a movable frame is slidably connected into the outer frame, two racks are slidably connected to the side face of the movable frame, a power part is connected between the two racks, and a set of half gears are arranged on the power part and sequentially meshed with the racks on the two sides. According to the device, a spiral oil groove can be machined, the angle of the oil groove is fixed and adjustable, oil and parts are in uniform contact in the whole workpiece, lubricating oil is not prone to losing and generating bubbles, and the lubricating effect is good. The invention is used for the part turning device.

The invention discloses a manufacturing method of a titanium alloy self-locking nut for aviation. Comprising the following steps of hexagonal upsetting forming, first-stage solid solution heat treatment, machining forming, second-stage aging heat treatment, fluorescent flaw detection, surface treatment and performance testing. According to the invention, solid solution and aging heat treatment process parameters are optimized, and fluorescence flaw detection and surface treatment technologies are combined, so that the strength and the self-locking performance of the product are improved, and meanwhile, the risks of oxygen pollution and surface defects are reduced.

The invention discloses aluminum foil metal rolling forming equipment and a forming method thereof, and belongs to the technical field of metal processing, and the forming equipment comprises an unwinding frame, an oiling device, rolling equipment, a cleaning device, a drying device and forming stamping equipment which are sequentially arranged from left to right. Two first rotating rods move in opposite directions through an adjusting assembly, then two oil storage boxes move in opposite directions, a brushing roller can be attached to the aluminum foil, an oil supply assembly supplies oil to the oil storage boxes in the period, and a first motor drives the brushing roller to rotate through a second belt wheel, a first belt wheel and a belt, so that oil is applied to the two faces of the aluminum foil; the aluminum foil enters the inner cavity of the cleaning device after being rolled by the rolling device, is driven by the shaking driving assembly to enable the polishing brush to move back and forth in a reciprocating mode to clean and grind oil stains and scratches on the surface of the aluminum foil, and finally enters the forming stamping device to be formed and pressed after being dried by the drying device.

The invention discloses a handheld electric tool rear bearing dustproof device, including a housing, an intermediate cover, a stator, a rotor, and a permanent magnet. The housing rear end cover is provided with a second air inlet, the stator rear cover that is sealed with the housing rear end cover is fixed on the rear plate of the stator, a small fan blade corresponding to the stator rear cover is fixed on the motor shaft, the housing rear end cover, the stator rear cover and the stator form a closed cover for the rear bearing, the small fan blade and the rotor, the stator rear cover is provided with a third air inlet, the third air inlet is inlaid with a dustproof mesh, a rear bearing labyrinth dustproof structure is provided between the small fan blade and the stator rear cover, the third air inlet and the stator-rotor air gap constitute a motor cooling channel, and the rotor rotates to drive the small fan blade to work and can blow off the dust and iron filings adsorbed on the dustproof mesh. After adopting the above structure, it has the advantages of simple structure, convenient assembly, no clogging of the filter mesh, good dust filtering and ventilation cooling effect, and long service life.

The invention discloses a Chinese yam grooving machine, and belongs to the technical field of crop planting, the Chinese yam grooving machine comprises a rack, and two parallel rotor units are rotatably mounted on the rack; the speed reducer is fixed on the rack and is connected with a power source, a driving chain wheel is fixed on an output shaft of the speed reducer, a transmission shaft is rotationally mounted on the rack, a driven chain wheel is fixed on the transmission shaft, and a chain is wound on the driving chain wheel and the driven chain wheel. The two rotor units are designed, the rotor units are stably driven to rotate through the speed reducer, the transmission shaft, the chain and other transmission parts, the two spiral blades conduct grooving on the ground at the same time, two grooves are formed at a time, and compared with traditional manual grooving, the grooving efficiency is greatly improved; according to the tensioning adjusting mechanism designed by the invention, the tensioning degree of the chain can be finely adjusted according to actual requirements, so that poor meshing and vibration caused by overlarge sag of the chain are avoided, meanwhile, the meshing wrap angle of the chain and the chain wheel is increased, and the transmission reliability and stability are ensured.

The utility model discloses a differential mechanism and a lubricating structure thereof, and belongs to the field of automobile differential system lubrication. The lubricating structure comprises at least one oil inlet hole and at least one oil outlet hole, the oil inlet holes and the oil outlet holes are formed in a differential shell and communicated with a differential gear set in the differential shell, the oil inlet holes are formed in the side close to a differential bearing, and the oil outlet holes are located in the side away from the differential bearing; the oil collecting baffle ring is connected to the differential mechanism shell in a sleeving mode and surrounds the outer side of the oil inlet hole; the oil collecting groove is formed in a bearing seat of the differential mechanism, the oil spraying hole is communicated with the oil collecting groove, the oil collecting groove is in bolted connection with an oil passing pipe connector, and the extending direction of the oil spraying hole faces the end face, provided with the oil inlet hole, of the differential mechanism shell. According to the differential mechanism, the differential gear in the differential mechanism can obtain a good lubricating effect.

The utility model discloses a kind of planetary reducer self-lubricating devices, belong to planetary reducer lubrication field, including base, the top of base is fixedly connected with motor main body, the output shaft of motor main body is fixedly connected with sun gear, the outside of sun gear is engaged with three planetary gears, the outside of planetary gear is equipped with the shell engaged with it, the top of shell is equipped with oil supply piece, the top of oil supply piece is threadedly connected with top cover, the top of top cover is equipped with air valve;The planetary reducer self-lubricating device, the cooperation of the walking track of planetary gear and the matching of oil supply piece upper end of resistance is used to control the discharge of lubricating oil, greatly simplify the device structure, reduce the overall cost of planetary reducer, device overall structure is relatively simple, without complex electronic components and sensing device, reduce the probability of failure occurrence, improve the reliability and stability of device, reduce maintenance cost.

The present invention discloses a valve oil seal with adjustable leakage, comprising a reinforcement skeleton, a rubber body fixedly connected to the inner wall of the reinforcement skeleton, a first spring groove opened near the top of the reinforcement skeleton on the outer wall of the rubber body, a self-locking spring structure provided on the inner wall of the first spring groove, the outer wall of the self-locking spring structure is sleeved and tightly matched with the inner wall of the first spring groove, a main sealing lip is provided on the inner wall of the rubber body near the self-locking spring structure, a protective structure is provided on the inner wall of the rubber body near the bottom of the main sealing lip, an adjustment ring is fixedly connected to the bottom of the reinforcement skeleton, a fixing ring is fixedly connected to the bottom of the adjustment ring, and a second spring groove is opened near the top of the adjustment ring on the outer wall of the reinforcement skeleton. By replacing the adjustment spring to adjust the force of the reinforcement skeleton, the adjustment ring is slightly deformed, the matching clearance at the main sealing lip can be changed, and an interference fit is generated at the main sealing lip, so as to achieve the effect of adjustable leakage.

The application relates to the technical field of machine tool equipment, and discloses a metal forming machine tool equipment with an automatic lubricating function, which comprises a rack, a control panel, a lubricating processing mechanism and a collection filtering mechanism; the filtering mechanism is installed in the rack, the collected lubricating oil is filtered through the filter screen in the movable table, the used lubricating oil is collected and filtered; and a clamping fixing mechanism is arranged; the collection filtering mechanism is arranged, the splashed lubricating oil can be blocked through the blocking piece, the lubricating oil is left in the bottom of the movable table or in the placing groove, the metal wire scraps generated in the processing in the placing groove are taken away in the flowing process of the lubricating oil, the metal wire scraps and the lubricating oil flow into the filtering groove through the first liquid leakage hole or the second liquid leakage hole, the metal wire scraps generated in the processing process can fall into the screen mesh and be collected, the lubricating oil is prevented from splashing around and being difficult to handle, and the lubricating oil can be reused.

The utility model provides an EPS steer-by-wire motor shaft. The EPS steer-by-wire motor shaft comprises a mounting shell, a shaft sleeve and a shaft sleeve, the driving component is mounted in the mounting shell, a connecting assembly is mounted at the output end of the driving component through a clamping block, a connecting shaft is mounted at the other end of the connecting assembly through a clamping groove, a stabilizing shaft is fixedly connected to the other end of the connecting shaft, and an output shaft is fixedly connected to the other end of the stabilizing shaft; a transmission gear is installed at the other end of the output shaft through a fixing buckle, an oil outlet is formed in the outer surface of the transmission gear, and through weight reduction openings are formed in one end of the connecting shaft, one end of the stabilizing shaft and one end of the output shaft. According to the EPS steer-by-wire motor shaft provided by the utility model, the steering motor shaft which is light in weight is adopted through the design, so that the rotating stability of the steering motor shaft is improved, meanwhile, the lubricating effect is kept at the joint of the transmission gear and the gear box in a manner of continuously injecting lubricating oil, and the EPS steer-by-wire motor shaft is beneficial to reducing abrasion and prolonging the service life of the joint.