139results about How to "Guaranteed lubrication effect" patented technology

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 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 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 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.

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 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.

The utility model belongs to the technical field of cabin door hinges, and particularly relates to a new energy pure electric rear cabin door hinge which comprises a hinge base and a hinge rod body, the hinge rod body is formed by combining a straight-line-section rod body, a bent-section rod body and an inclined-section rod body, and the hinge rod body is formed through extrusion of a die-casting die. A first locking adjusting opening is formed in the surface of the linear section rod body, and a hinge groove is formed in one end of the bent section rod body. According to the new energy pure electric rear cabin door hinge, firstly, through precise design of a lubricating system, continuous lubrication of the hinge is ensured, abrasion is remarkably reduced, the service life is prolonged, and the reliability of the hinge is improved; secondly, excellent sealing performance is provided through the combination of the sealing ball and the sealing ring, leakage of lubricating oil is effectively prevented, cleanliness of the system is kept, and maintenance cost is reduced; in addition, according to the design, the environmental adaptability is improved, meanwhile, the user experience is improved, noise and vibration are reduced, and the attractiveness of the vehicle is kept.

The invention relates to the technical field of metal plastic forming, and provides a thin-wall deep barrel forming die with local protrusions, the thin-wall deep barrel forming die comprises a fixing plate, a die body, a cleaning assembly and a measuring assembly, the die body comprises an upper die set and a lower die set, and the lower die set comprises a lower die plate fixedly connected to the top of the fixing plate through bolts; a lower die mounting block is fixedly connected to the top of the lower die plate, a lower die positioning block is fixedly connected to the top of the lower die mounting block, a backing ring is fixedly connected to the top of the lower die positioning block, and a blank and the lower die are preheated through the heating device, so that thermal stress generated by sudden temperature change in the forming process is avoided; the product quality is improved, the service life of the die is prolonged, meanwhile, the cooling speed after the blank is put into the die is reduced, and it is ensured that the blank keeps stable in the forming process.

The utility model discloses a brake cam rotating shaft, which relates to the technical field of cam shafts and comprises a cam rotating shaft component which comprises a cam part, a cylindrical shaft positioning part fixedly arranged at the lower end of the cam part and a rocker arm embedding part fixedly arranged at the bottom end of the cylindrical shaft positioning part. The center of the cylindrical shaft positioning part is provided with an inward-concave oil lubricating groove unit, the oil lubricating groove unit is of a ladder-shaped inward-concave structure, the rocker arm embedding part comprises an upper embedding part and a lower embedding part which are arranged in a mirror image mode, a stress bearing part is fixedly arranged between the upper embedding part and the lower embedding part, the upper embedding part and the lower embedding part each comprise a limiting boss, and the limiting bosses are arranged on the upper embedding part and the lower embedding part. Embedded tooth blocks are evenly distributed on the outer edge of the limiting boss and are of a ladder-shaped outwards-protruding structure. By improving the lubricating oil groove units, the lubricating effect is enhanced, and friction is reduced; the stress bearing part is optimized, and the stress is uniformly dispersed to improve the stress resistance of the structure; the design of the rocker arm embedding part is improved, and the assembling fixity and the safety of the brake are improved.

The invention relates to the technical field of thermal transfer carbon ribbons, and discloses a high-efficiency thermal transfer carbon ribbon back coating adhesive and a preparation method thereof. Tetrakis(hydroxymethyl)phosphonium chloride, vinyl trichlorosilane and 2,5-bis(trifluoromethyl)terephthalic acid are used as raw materials to synthesize a diene fluorine-containing caged siloxane monomer, and the monomer is polymerized with pentaerythritol tetraacrylate to form a cross-linked organic silicon acrylic copolymer with a hyperbranched cross-linked network structure, which replaces a traditional organic silicon resin mixture. The copolymer is diluted with a single solvent toluene to avoid the use of a multi-component mixed solvent, greatly reduces VOC emissions, and can be recycled. The carbon ribbon back coating adhesive prepared by the invention has good heat resistance and wear resistance, smooth printing, good bonding performance, can enhance heat conduction and lubrication in a printing process, effectively eliminates the risk of static electricity generated in an actual application process, has a good flame retardant effect, and avoids safety hazards.

The application relates to the field of lubricating oil, in particular to a high-temperature-resistant high-lubricating stainless steel cutting oil and a preparation method thereof. The cutting oil is composed of base oil, extrusion agent, additive, anti-emulsifier and diluent in specific proportions, wherein the additive comprises polyisobutylene succinic anhydride, amine and propylene oxide polymer, boron-containing compound, basic alkyl salt, imidazoline oleate, antioxidant compound and ethylene-propylene copolymer. By optimizing the proportions of various components and selecting suitable materials, the application can significantly improve the oxidation resistance and cleanliness of the cutting oil, effectively prolong the temperature of the cutting oil in the recycling and reuse process, reduce equipment wear and contamination, and improve the production efficiency of stainless steel.

The utility model discloses a track and pulley assembly structure of an electric curtain, which relates to the technical field of electric curtains and comprises a track body and a pulley piece, a pair of guide rails is mounted in the track body, and the pulley piece comprises a moving shaft arranged in the track body. Rollers matched with the guide rails are rotationally mounted at the two ends of the moving shaft, a sleeve shell fixedly sleeves the middle of the moving shaft, and a hook is fixedly connected to the lower end of the sleeve shell; lubricating mechanisms are arranged on the two sides of the top of the guide rail and comprise oil boxes fixedly installed on the top of the guide rail. The lubricating mechanism is arranged at the top of the guide rail, the oil control piece is triggered through rolling of the roller, lubricating oil can be automatically released into the guide rail, the self-lubricating effect on the guide rail and the roller is achieved every time the curtain is opened and closed, friction and abrasion between the guide rail and the roller are effectively reduced, and the opening and closing smoothness of the curtain is guaranteed; and the service life of equipment is prolonged.

The utility model discloses an oil leakage prevention structure of an angle grinder, which comprises a casing for assembling a motor, a head casing and a transmission mechanism, the head casing is arranged at the front part of the casing, the transmission mechanism comprises a driving gear, a driven gear, an input shaft and an output shaft, and a gear cavity for accommodating the driving gear and the driven gear is arranged in the head casing. The head shell is provided with a first assembly hole communicated with the gear cavity and the interior of the machine shell, the input shaft penetrates through the first assembly hole and is rotationally supported on the head shell, the driving gear is assembled on the input shaft, the output shaft is rotationally arranged in the head shell, and the driven gear is assembled on the output shaft and meshed with the driving gear. One end of the output shaft extends out of the head shell and is used for being connected with a working head assembly, an oil blocking piece is fixed to the input shaft or the driving gear and comprises a spiral blade, the spiral blade is arranged in the first assembly hole and used for pushing back grease overflowing into the first assembly hole during rotation, and the phenomenon that the grease overflows from the first assembly hole can be reduced.

The utility model relates to the technical field of axle head discloses a convenient axle head of lubrication, including axle head body, the surface of axle head body is equipped with outer thread, the outer thread is connected with the inner wall thread connection of connecting ring, the bottom of connecting ring is equipped with oil leak hole, the oil leak hole is equipped with several. The utility model discloses through lubricating oil and injects the oil storage groove in the inside of connecting ring through oil inlet. The oil storage groove can store a certain amount of lubricating oil, ensure that the axle head has enough lubricating oil supply in the operation process, and the lubricating oil in the oil storage groove is evenly distributed on the surface of axle head body through the oil leak hole of the bottom of connecting ring, ensures that the axle head is in good lubrication state in the operation process, and lubricating oil is injected into the oil storage groove through the oil inlet. The design of oil inlet facilitates the addition of lubricating oil, improves the convenience of maintenance, and the oil inlet inner wall is clamped with a plug, which can seal the oil inlet after the addition of lubricating oil is completed, preventing lubricating oil leakage.

The invention discloses a control instrument with a wire guide structure, which belongs to the field of control instruments and comprises a casing, a side casing, a driving motor, an inclined heat sink, a wire guide mechanism and a T-shaped shaft, wherein the side casing is fixedly mounted on both side outer walls, an oil box is fixedly mounted on one side outer wall of the side casing, and the driving motor is fixedly mounted on the inner wall of the casing; the invention is equipped with a rotatable wire guide mechanism, and when the instrument needs to be installed and wired, the position and angle direction of the wire are changed by rotating the wire guide mechanism according to the required wiring position, and then the wiring is carried out, so that the wire can be quickly changed in direction, which is convenient for wiring; when the angle is rotated, a handle is directly pulled up to make the positioning shaft disengage from the positioning groove and the installation disk is rotated; when fixing is required, the handle is directly released, and a spring is connected to make the positioning shaft clamped in the positioning groove to complete the fixing of the wire guide mechanism, and the fixing is convenient and quick.

The utility model relates to a kind of four-slot dynamic and static pressure spindle structure, it includes main shaft, sliding bearing and thrust bearing, the sliding bearing is sleeved on main shaft, the thrust bearing is connected with main shaft;Four slots are equipped on the sliding bearing, the inner surface of sliding bearing is divided into upper static pressure cavity, lower static pressure cavity, front end static pressure cavity and rear end static pressure cavity, the four slots completely disconnect each static pressure cavity, to enhance the dynamic pressure effect when main shaft rotates, improve the rigidity of main shaft.The rigidity of the utility model main shaft is significantly improved, operates more stably, so the grinding capacity that can be borne is also stronger.This not only improves grinding efficiency, but also significantly improves grinding quality, especially the surface quality of roller.

According to the composite steel wire rope for mine hoisting and the manufacturing method of the composite steel wire rope, the center strand is made of the aramid fibers, meanwhile, the rope core strand formed by twisting the filaments formed by melting and drawing various high-strength fibers is twisted outside the center strand, and the strength and the tensile property of the composite rope core are greatly improved; and the high-toughness corrosion-resistant steel wire rope has good toughness and corrosion resistance, and is suitable for mine environments and high-load applications thereof. Meanwhile, a graphite fluoride coating is arranged outside the inner-layer strand, and a polytetrafluoroethylene coating is arranged outside the outer-layer strand, so that the friction among the inner-layer strand, the outer-layer strand, the filling strand and the special-shaped steel wires during use can be reduced, and the inner-layer strand and the outer-layer strand have excellent corrosion resistance; the inner-layer strands and the outer-layer strands can keep good performance in a severe environment; in addition, through filling of the filling strands and the special-shaped steel wires, the compactness of the steel wire rope is increased, the whole structure of the steel wire rope is firmer, tighter and more pressure-resistant, and the mechanical property of the steel wire rope is improved.

The utility model relates to the technical field of mold accessories, in particular to a self-lubricating mold guide device which comprises a guide sleeve installed on a fixed mold of a mold and a guide column installed on a movable mold of the mold. The guide column is located in the guide lubricating cavity and is in sliding connection with the guide lubricating cavity, an upper flow channel arranged in the vertical direction is formed in a shell of the guide sleeve, a flaring cavity is formed in the bottom of the upper flow channel, and a side edge inlet hole communicated with the guide lubricating cavity is formed in the inner side cavity wall of the flaring cavity. A lower runner is arranged on the bottom wall of the flaring cavity, a bottom runner is arranged at the bottom of the lower runner and located in a bottom shell of the guide sleeve, and a plurality of bottom overflow holes communicated with the guide lubricating cavity are formed in the top wall of the bottom runner. The utility model is convenient for self-lubricating operation, is not easy to wear, and is favorable for prolonging the service life.

The utility model relates to the field of optical film coating, in particular to a micro-concave coating roller which comprises an iron core, a jacket; the limiting assembly is used for limiting the iron core and the jacket; the lubricating device is used for lubricating the jacket when the jacket is mounted; the iron core is connected with the clamping sleeve in a sleeved mode, the lubricating device is installed in the iron core and comprises an inner groove, the inner groove is formed in the outer wall of the iron core, an oil brush is installed in the inner groove, an oil bin is installed in the iron core, the oil brush is connected with the oil bin, and the oil brush is located on the motion trail of the clamping sleeve. Through the arrangement of the plurality of jackets, quick replacement can be carried out according to the coating thickness design requirements of different products, as only the jackets need to be replaced, and the iron core does not need to be replaced, the replacement process is relatively convenient, the working efficiency is improved, and the material cost is reduced.

The utility model relates to the technical field of mounted bearings, and discloses a mounted bearing convenient for oil injection, which comprises a base and a support seat, a fixed seat is arranged at the center of the upper end face of the support seat, an oil storage tank is arranged at the center of the upper end face of the fixed seat, an oil inlet is arranged at the center of the upper end face of the oil storage tank, and a piston is arranged at the center inside the oil storage tank. A liquid level indicator is arranged behind the center of the lower inner wall of the oil storage tank, a ball valve is arranged in the center of the output end of the oil storage tank, and a glass window is arranged in the center of the front end face of the oil storage tank. According to the utility model, the liquid level indicator, the ball valve and the glass window are matched for use, so that a worker can observe and control the quantity of lubricating oil in the oil storage tank and the quantity of lubricating oil entering the bearing; and the situation that the normal operation of the bearing is influenced by too much and too little lubricating oil caused by difficult control of the lubricating oil quantity is avoided, so that the working efficiency and the service life of the bearing are improved.

The utility model relates to the technical field of radial gate water seal lubrication, and discloses a filtering structure and a radial gate water seal pre-wetting device, which comprise a filtering unit, and the filtering unit comprises a placing pipe, a filtering assembly arranged in the placing pipe and a power assembly arranged on the inner ring of the filtering assembly. The water purifier has the beneficial effects that the filter assembly and the power assembly are convenient to install through the placing pipe, the filter assembly can filter impurities in water, the universal nozzle is prevented from being blocked, the power assembly is driven by flowing of water to scrape the filter assembly, the situation that too much dirt exists in the filter assembly can be prevented, and the water purifier is convenient to use. Through the arrangement of the filtering assembly and the power assembly, integrated disassembly can be carried out, and the power assembly and the filtering assembly are convenient to clean and replace; and through the arrangement of the universal nozzle, after installation, the water outlet angle of the universal nozzle can be adjusted, and the lubricating effect on the side water seal is guaranteed.

The utility model relates to the technical field of compressors, in particular to a gas compressor rotor seat easy to disassemble, assemble and maintain, which comprises a rotor seat main body, a shell arranged at the top of the rotor seat main body, a plurality of fixing components arranged between the rotor seat main body and the shell, and a buffer component arranged in the rotor seat main body. And a pair of self-lubricating assemblies are symmetrically arranged in the rotor seat main body. According to the utility model, through the arrangement of the fixing assembly, the stable and convenient installation between the rotor seat main body and the housing is realized, and through the cooperation of the limiting block and the limiting groove, the knob can be firmly clamped in the limiting groove after being rotated by 90 degrees, so that the stable fixing effect is realized, and the installation and disassembly processes become simple and rapid; vibration generated by the cam shaft rotor disc is effectively buffered through combined use of the buffering assembly, the first spring, the piston rod, the first piston and the oil storage barrel, the stability of the gas compressor is improved, and the service life of the gas compressor is prolonged.

The utility model discloses a high-strength tractor chassis gear which comprises a gear body (1) and a plurality of gear teeth (2), annular grooves (3) are formed in the upper side face and the lower side face of the gear body (1), and a plurality of reinforcing pieces (4) are arranged in each annular groove (3). The two ends of each reinforcing piece (4) are each provided with two obliquely-arranged auxiliary reinforcing pieces (5), one end of each auxiliary reinforcing piece (5) is fixedly installed on the reinforcing piece (4), and the other end of each auxiliary reinforcing piece (5) is fixedly installed on the gear body (1). A reinforcing piece (6) is bonded on the side face, facing the other tooth (2), of each tooth (2), and oil injection grooves (7) are formed in the two side faces of each reinforcing piece (6). The strength of the whole gear can be improved, and the gear has the advantages of being high in structural stability, good in heat dissipation effect, long in service life, good in lubricating effect and high in lubricating oil utilization rate.

The utility model relates to the technical field of roll press, specifically is a kind of roll press bearing seat track sealing device.Sealing structure is provided with in the gap outside of the dynamic roller bearing seat and upper crossbeam and / or lower crossbeam;Sealing structure contains the first sealing part fixed on the upper crossbeam or lower crossbeam and the second sealing part fixed on the dynamic roller bearing seat, the first sealing part has the first extension from the inside of upper crossbeam or lower crossbeam outwardly extending, the second sealing part has the second extension from the inside of dynamic roller bearing seat outwardly extending, the first extension and the second extension are mutually overlapped and form non-contact labyrinth seal in the outside of gap.Outside dust and material invasion movement gap can be effectively blocked.The sealing structure is fixed on the crossbeam and bearing seat of relative motion respectively, and zigzag path is formed using mutually overlapped extension, thereby helping to reduce the damage to track lubrication state.