85results about How to "Guaranteed continuous lubrication" patented technology

The invention relates to the field of drum-type coal cutter components, and particularly relates to a drum-type coal cutter rocker arm. The rocker arm comprises a rocker arm shell and a speed reduction transmission system, wherein the speed reduction transmission system is composed of planetary reducers arranged at the head part inside the rocker arm shell; the coal cutter rocker arm further comprises a low-speed large torque permanent magnet motor which is vertically arranged below the planetary reducers in the rocker arm shell; the permanent magnet motor comprises an inner rotor and an outer stator; the permanent magnet motor is in driving connection with the planetary reducers through a spline shaft which is fixedly arranged in an inner rotor shaft core. The drum-type coal cutter rocker arm provided by the invention is novel in structure and smart in design; the permanent magnet motor having the characteristic of large torque is adopted to take the place of an asynchronous motor with high speed and small torque; and meanwhile mechanical transmission chains of the speed reduction transmission system between a cutting drum and the permanent magnet motor are eliminated; components in the rocker arm can be lubricated constantly no matter how severely the coal cutter rocker arm is tilted, so that the service life of the coal cutter rocker arm is prolonged.

The invention relates to a device capable of effectively improving die lubrication in the fine-stamping process, in particular to a lubricating device of precisely-stamped dies. The lubricating device of the precisely-stamped dies comprises a pressure base plate of the precisely-stamped dies, a male die, a V-shaped blank holder and a reverse ejection rod. The pressure base plate is located above the male die. The reverse ejection rod is connected with a hydraulic plunger. The V-shaped blank holder is fixed to an upper die plate. A chamfer is arranged at the inner side, close to a cutting edge of the male die, of the V-shaped blank holder. An oil storage groove is formed between the V-shaped blank holder and the male die. A chamfer is arranged at the outer side, close to the cutting edge of a female die, of the reverse ejection rod and an oil storage groove is formed between the reverse ejection rod and the female die. The lubricating device of the precisely-stamped dies is characterized in that a vibration generating device is fixed to the portion between the pressure base plate and the male die. Lubricating oil in the oil storage grooves is continuously led to a friction face through vibration. The lubricating device of the precisely-stamped dies can effectively improving the lubricating effect in the composite fin-stamping forming process and prolong the service of the dies.

A mandrel of baking roller for improving the lubrication effect has an axial lubricating oil channel with one or more radial oil releasing holes whose surficial ends are on the bottom of a ring slot.

The invention relates to a cantilever shaft supporting device which comprises a shaft, a bearing seat, a bearing cap, at least four rolling bearings, two sleeve barrels, two sealing rings and two compression rings, wherein the rolling bearings are positioned in the bearing seat; the inner ring of each rolling bearing is tightly fixed with the shaft, and the outer ring of each rolling bearing is tightly fixed with the bearing seat; two orthogonal radial through holes which are positioned in the same plane are formed on the bearing seat; the two radial through holes are positioned at the end part of each rolling bearing and are communicated with the inner cavity of each rolling bearing; a gap is formed between the first sleeve barrel and the end surface of each rolling bearing; and a gap is formed between the bearing cap and the end surface of each rolling bearing. In the cantilever shaft supporting device, lubricating oil enters the rolling bearings through the two through holes on the bearing seat; and the cantilever shaft supporting device not only has the advantages of the traditional supporting device but also has strong bearing capacity, small friction loss and convenient and quick lubrication, and can realize continuous lubrication.

The invention discloses a lubrication and adjustment valve body. The lubrication and adjustment valve body comprises a valve main body and a valve seat. The valve main body is arranged in the valve seat. Adjustment bases are arranged on the outer portion of the valve seat. Adjustment bent rods are arranged in the adjustment bases. One end of each adjustment bent rod extends out of the corresponding adjustment base, and the other end of each adjustment bent extends into the valve main body. Compression springs are arranged between the adjustment bent rods and the inner walls of the adjustment bases. An oil storage tank is arranged at the upper end of the valve main body, communicated to the outer portion of the valve main body through an oil guide way and sealed through a sealing cover. An oil leakage film is arranged at the bottom of the oil storage tank. According to the scheme, the adjustment bases are arranged on the outer portion of the valve main body and can adjust the overall pre-tightening force, the oil storage tank is arranged at the upper end of the valve main body, and therefore the valve main body can be conveniently lubricated, lubricating oil can be stored in the oil storage tank through the oil guide way, the valve main body is slowly lubricated by the lubricating oil through the oil leakage film, and the adjustment bases are arranged outside the valve main body and are easy to assemble while the lubricating property in the valve main body is kept.

The invention discloses a lubricating device for stamping equipment. The lubricating device comprises a feeding mechanism, a mold, an oil tank, a first lubricating mechanism, a second lubricating mechanism and a material belt, the feeding mechanism is arranged on the side of the mold, the material belt passes through the feeding mechanism and penetrates through the mold, the first lubricating mechanism and the second lubricating mechanism are arranged above the material belt, the first lubricating mechanism is arranged on the feeding mechanism, the second lubricating mechanism is arranged on the mold, and the oil tank is connected with the first lubricating mechanism and the second lubricating mechanism. The first lubricating mechanism lubricates the material belt at the feeding mechanism;when the material belt lubricated by stamping oil is stamped, the mold can be lubricated together; when the material belt moves to the middle rear section of the mold, the stamping oil is consumed, the second lubricating mechanism lubricates the material belt again, it is guaranteed that the middle rear section of the mold can also be lubricated by the stamping oil, the quality of finished workpieces is guaranteed through sufficient lubrication, and meanwhile the consequence that the service life of the mold is shortened or the precision is reduced can be avoided.

The invention relates to an aluminum alloy automobile hub structure. The aluminum alloy automobile hub structure comprises a hub main body, a hub bearing and an anti-slip chain fixing mechanism, wherein the hub bearing is connected into the hub main body; the anti-slip chain fixing mechanism is installed outside the hub main body; the hub main body comprises an inner ring, a spoke, a rim and a hubflange; the hub bearing comprises an oil storage cup, an inner ring, a steel rolling ball and a lubricating ball; and the anti-slip chain fixing mechanism comprises a first fixing ring, a second fixing ring, a connection bolt, a first placement sheet, a second placement sheet, a fixing plate and a clamping plate. The aluminum alloy automobile hub structure is capable of continuously lubricating the bearing in a running process, and adaptive adjustment is carried out on an applying amount of lubricating oil along with the change of a running speed; and in addition, through the arrangement forthe anti-slip chain fixing mechanism which is installed in a detachable manner, installation for an anti-slip chain is facilitated, and the occurrence of the case that the anti-slip chain causes damages to the hub can be effectively avoided.

The invention discloses a die-casting machine charging barrel and an injection rod. The structure of the die-casting machine charging barrel and the injection rod comprises a charging barrel, wherein a plurality of hydraulic cylinders are evenly arranged at the front end of the arc face of the charging barrel, the hydraulic cylinders and the charging barrel are connected together through bolts, pressing heads are arranged at the output ends of the hydraulic cylinders, the pressing heads and the output ends of the hydraulic cylinders are connected together through bolts, an injection rod is arranged at the front end of the charging barrel, and an injection plunger is arranged at the end, aligned with the front end of the charging barrel, of the injection rod. By the adoption of the charging barrel and injection rod assembly of the die-casting machine, the problems that in the existing die-casting industry, due to the fact that continuous lubrication cannot be achieved between a die-casting machine charging barrel and the injection plunger, the replacement frequency of the injection plunger is high, the standby time of the machine is long, the consumable cost of die-casting is high, and the production efficiency is high are solved. By improving and optimizing the structure of the die-casting machine charging barrel and the injection rod, the concentricity of the injection plunger and the charging barrel in the injection process is automatically corrected, and meanwhile it is guaranteed that continuous lubrication can be achieved between the injection plunger and the die-casting machine charging barrel when the injection plunger and the die-casting machine charging barrel are used in cooperation.

The invention provides a planetary gear train bearing lubricating structure. A planetary gear train comprises a planet carrier, a plurality of planetary gears installed on the planet carrier through planetary gear shafts, and a bearing arranged between the planetary gears and the planetary gear shafts. The planetary gear train bearing lubricating structure comprises axial holes, at least one through hole, oil collecting plates and an oil pool, wherein the axial holes are distributed in the axial direction of the planetary gear shafts; the through holes extend from the axial holes to the diametric planes of the planetary gear shafts; at least one ends of the planetary gear shafts are provided with the oil collecting plates, the oil collecting plates are installed on the planet carrier, thepositions, opposite to the axial holes of the ends of the planetary gear shafts, of the oil collecting plates are provided with oil collecting grooves correspondingly, the opening direction of the oilcollecting tanks is consistent with the rotating direction of the planet carrier, and the oil collecting tank, the axial holes and the through holes form oil way channels for allowing lubricating oilto circulate; and the oil pool is located in a shell of the planetary gear train. The oil collecting plates rotate, when the oil collecting grooves rotate and pass through the oil pool, the lubricating oil is collected and conveyed to the outside of the planetary gear shafts through the oil way channels.

The invention discloses a sealing structure of an angle grinder gear box lubricated by lubricating oil and an angle grinder. The sealing structure of the angle grinder gear box lubricated by the lubricating oil comprises a shell, a transmission mechanism, a sealing assembly and liquid lubricating oil for lubrication. The transmission mechanism comprises a motor shaft, a driving gear, a driven gearand a driving output shaft, and the motor shaft and the driving output shaft are rotatably supported in the shell. The driving gear is assembled at the end of the motor shaft, the driven gear is assembled on the driving output shaft, and the driving gear and the driven gear are meshed and connected to form a rotary gear pair. The sealing assembly comprises an oil separation pressure reduction ring and a sealing ring, gap sealing is formed between the oil separation pressure reduction ring and the shaft, and contact sealing is achieved between the sealing ring and the shaft. The liquid lubricating oil is used in the gear box for the first time, the liquid lubricating oil can completely infiltrate and fully lubricate the meshed rotary gear pair, effective sealing can be achieved in the working state and the static state of the angle grinder, the sealing effect of the sealing assembly is matched, and therefore the service life of the angle grinder can be remarkably prolonged.

A device for cutting a wire piece, configured to move with respect to the wire piece, including: at least first and second rotary members rotating around respective first and second substantially parallel axes of rotation, the at least one first and second rotary members driving the wire substantially perpendicular to the first and second axes, the wire resting against external surfaces of each of the at least one first and second rotary members. At least one of the at least one first and second rotary members includes a lubrication mechanism of the wire to allow circulation of a lubricating liquid from the center thereof to an external surface thereof in contact with the wire, the lubrication mechanism including a lubrication liquid feed device, mounted on the axis of rotation of the at least one of the first and second rotary members, to supply the center thereof with lubrication liquid.

The invention provides a double-wedge sealed buckled type reverse stop bearing which comprises a bearing outer ring, a bearing inner ring and steel balls. A double-wedge buckled type nylon retainer is arranged among the bearing outer ring, the bearing inner ring and the steel balls. The two sides of the retainer are both provided with multiple wedge block slots and spring slots. Wedge blocks and springs are arranged in the wedge block slots and the spring slots. The springs abut against the retainer and the wedge blocks, so that the wedge blocks are in contact with the outer ring and the inner ring, and the wedges are combined inversely and unbound forwards. An upper fixing cover and a lower fixing cover are assembled to the upper side face and the lower side face of the retainer respectively, and it is guaranteed that the wedge blocks and the springs are both at working positions. The steel balls are arranged in the middle of the bearing, the two sides of the bearing are both evenly provided with the wedge blocks, the springs enable the wedge blocks to be stressed evenly and stably, the buckling joints of the steel balls and the retainer are specially designed, continuous oil supply for the steel balls is guaranteed, a double-faced sealing structure is adopted, and therefore moisture in a washing machine can be effectively prevented from intruding into the bearing. Accordingly, a higher load requirement is met, the reliability is improved, noise is lowered, and the service life is prolonged.