258results about How to "Improve lubrication efficiency" patented technology

The invention discloses a high-speed lower lubricating device for a bearing ring. The high-speed lower lubricating device comprises an oil gathering sleeve, wherein an inner ring of a bearing and the oil gathering sleeve rotate synchronously; the inner wall of the inner ring of the bearing is respectively provided with a lubricating oil groove in an axial direction and a radial oil hole in a radial direction; one end of the radial oil hole is communicated with the lubricating oil groove, and the other end of the radial oil hole is communicated with a raceway of the inner ring of the bearing; the oil gathering sleeve and the inner ring of the bearing coaxially and fixedly sleeve a main shaft; the oil gathering sleeve is divided into two parts along the axial direction, the inner part of one part is provided with axial oil grooves butted with the lubricating oil groove, and the other part is radially provided with oil gathering passages which are in one-to-one butt joint with the axial oil grooves; the oil gathering passages are separated by a plurality of oil gathering blades distributed in the radial direction; an outer ring of the bearing is fixedly arranged on a shaft shell; the parts, which correspond to the oil gathering passages, of the shaft shell are provided with nozzles connected with a lubricating oil system. The high-speed lower lubricating device is capable of improving the bearing lubricating efficiency, reducing the lubricating oil quantity, further reducing the internal friction heat of the bearing and ensuring that sufficient oil film thickness exists in the raceway during high-speed rotation of the bearing.

Embodiments for indicating degradation of a piston-cooling jet system are provided. In one example, an engine method comprises indicating degradation of a piston-cooling jet system in response to a relationship between engine speed and oil pressure at maximum oil pump displacement conditions. In this way, engine operation may be adjusted in response to an indicated degradation.

The invention relates to a processing system aiming at the dilution problem of engine oil. The processing system comprises a heat exchanger, the engine oil, an insulating tube, an oil pump, an oil pressure sensor, an oil temperature sensor, an oil way switch and a vent pipe used for recycling fuel. When the engine is in operation, if oil pressure valve is below limiting value, an exhaust manifold is used to heat the insulating tube. The engine oil of a control pipeline and the fuel in an oil sump are used to exchange heat to lead bulk temperature to the boiling point of the fuel, thus separating the fuel from lubricant. The separated fuel goes through ventilation system and enters burning system again.

The invention discloses an automatic-lubricating drawing die used for automatic lubricating for drawing in the workpiece cold working process. The top end of a guide sleeve of an upper die base of the die is sealed through a sealing plug, a guide pillar is inserted from the bottom end of the guide sleeve, and therefore a changeable sealed pressure cavity is formed inside the guide sleeve. The pressure cavity is respectively communicated with a lubricating oil tank and a lubricating oil cavity through an oil inlet pipeline and an oil outlet pipeline, and the lubricating oil cavity is communicated with the upper surface of a cavity of a drawing female die. An oil inlet one-way valve is arranged on the oil inlet pipeline and makes oil be in an only-in-no-out state. An oil outlet one-way valve is arranged on the oil outlet pipeline and makes the oil be in an only-out-no-in state. On the basis of a drawing die, in combination with a plunger pump principle, the guide sleeve and the guide pillar are used for achieving linkage between drawing work and lubricating oil injecting of the die, automatic lubricating is achieved without shutdown, the system is simple, cost is low, and the lubricating effect is good.

The invention provides a radial oil collecting ring and an under-ring oil supply lubricating device and method. The radial oil collecting ring comprises a cylindrical wall, a first annular retaining wall arranged at the end part of the cylindrical wall and coaxial with the cylindrical wall, a second annular retaining wall parallel and opposite to the first annular retaining wall, and a plurality of oil collecting blades connected between the first annular retaining wall and the second annular retaining wall. The under-ring oil supply lubricating device comprises the radial oil collecting ring,a main shaft, a bearing sleeving the main shaft, a bearing base sleeving the bearing, and an oil supply nozzle arranged on the bearing base and connected with an oil supply way, wherein the oil supply nozzle penetrates into the bearing base, and is aligned to an oil collecting tank; the radial oil collecting ring sleeves the main shaft, and can synchronously rotate with the main shaft; and one end, provided with an oil conveying chute, of the radial oil collecting ring is tightly bonded with the bearing. The radial oil collecting ring can greatly improve the oil collecting efficiency; and theoil collecting quantity can satisfy the bearing lubricating and cooling requirements under the conditions of high speed, high temperature and heavy load to guarantee long-time stable work of the bearing.

An automatic lubricating mechanism for the conveying chain is composed of a gas and liquid combined cylinder consisting of cylinder body with oil inlet and outlet, cylinder cover with vent, piston and restoring part, electromagnetic valve communicated with said vent via gas channel, sensor connected electrically with said electromagnetic valve, and pipeline connected to said oil outlet.

The invention discloses a self-lubrication device for a conveying production line. The conveying production line comprises a conveying chain, wherein the conveying chain is connected to a frame and is provided with continuous flat top surfaces. The self-lubrication device comprises a lubricant supply mechanism, a bottom lubrication mechanism and a fixing mechanism. The fixing mechanism comprises an elastic unit connected to the bottom lubrication mechanism. The bottom lubrication mechanism is installed in a working area, at the bottom of the frame, of the conveying chain. A lubricant supply pipeline reaches the working surface of the bottom lubrication mechanism. The working surface of the bottom lubrication mechanism is pressed on the working surface of the conveying chain below the bottom lubrication mechanism through the elastic unit with appropriate retention force so that the working surface of the conveying chain can be coated with a lubricant. The self-lubrication device can be adjusted in a self-adaptive mode according to the movement characteristic of the conveying chain. The self-lubrication device for the conveying production line has the main advantages of saving lubrication liquid and being convenient to install and free of manual intervention in self-adaptive adjustment of a lubrication position.

The invention discloses a yarn conveying lubrication device and belongs to the field of textile processing machinery and equipment. The device comprises a fixing bracket, lubrication brackets, lubrication motors and an oil storage tank, wherein the lubrication brackets are vertically and symmetrically arranged on the two sides of the upper part of the fixing bracket; each lubrication motor is horizontally arranged on one side of each lubrication bracket; a lubrication roller is horizontally and rotationally connected to the lubrication bracket; a plurality of lubrication rubber sleeves are uniformly arranged on the outer side of the lubrication roller in sequence; the oil storage tank is horizontally arranged on the lower side of the lubrication roller; clamping grooves matched with the lubrication rollers are formed in the two sides of the oil storage tank respectively; two adjustment screw rods are vertically and uniformly arranged on the two sides of the lower part of the oil storage tank respectively and penetrate through the fixing bracket vertically and downwards; adjustment nuts are in threaded connection with the adjustment screw rods on the upper and lower sides of the fixing bracket; and a plurality of yarn guide wheels corresponding to the lubrication rubber sleeves are vertically and rotationally connected to one side of the oil storage tank. The device is simple in structure and can quickly and efficiently lubricate yarns in a conveying process to meet the needs of production and use.

The invention provides a lubricating grease composition for gears of an electric shovel and a preparation method thereof. A thickening agent is prepared from reactants of 12-hydroxy stearic acid, hexanedioic acid, salicylic acid and lithium hydroxide; and additives comprise polyacrylic acid copolymer, an extreme pressure agent, an antirust agent, a restoring agent and an antioxidant. The preparation method comprises the following steps: adding 12-hydroxy stearic acid, salicylic acid and polyacrylic acid into base oil, mixing, and heating to 60-90 DEG C; adding lithium hydroxide monohydrate containing hexanedioic acid, saponifying and compounding for 1.5-2 hours; heating to 185-190 DEG C in 2 hours, and keeping the temperature for 1.5 hours; continuously heating to 220-240 DEG C, and naturally cooling to a temperature below 120 DEG C; sequentially adding the extreme pressure agent, the antirust agent, the restoring agent and the antioxidant; pressing oil for three times by virtue of a three-roller machine after the temperature is reduced to 40-60 DEG C, and then canning. The lubricating grease can be widely applied to mineral mechanical industry, and is capable of reducing abrasion and prolonging the cycle for changing grease.

The embodiment of the invention discloses a yaw gear ring lubrication system including a lubricating pump, a main oil pipeline and a distributor group. The lubricating pump is connected with the distributor group through the main oil pipeline, the distributor group includes a plurality of oil transportation openings, and each oil transportation opening of the oil transportation openings is used toconnect with a yaw gear ring. The lubrication efficiency is improved, and the maintenance cost of the lubricating pump is saved.

The invention discloses a furnace top distributing gear for distributing materials on the top of an iron-fining furnace, belonging to the technical field of mechanical engineering. A rotating motor and a tilting motor are independently driven by a set of differential mechanisms, wherein differential mechanism drive and previous-stage drive adopt all-gear drive, the previous-stage drive of a central sun wheel of the differential mechanism adopts gear drive with common drive ratio, and a furnace pot is tilted by a three-ring speed reducer. The furnace top distributing gear can realize the functions of furnace pot tilting, furnace pot rotation and furnace pot tilting and rotation, has the advantages of compact structure, reliable drive, stable work, high drive efficiency, long service life, little maintaining workload and convenient furnace pot replacement, can be used for blast furnace engineering of various types or other places where loose unpacked materials are delivered.

The invention belongs to the technical field of industrial robot joint equipment, and particularly relates to an industrial robot joint automatic lubricating system. The system comprises a chassis, a rotating disc seat, a rotating disc shaft, a first joint, a second joint and a joint shaft in hinged rotation, and a rotating shaft is fixedly mounted at the bottom of the rotating disc seat. According to the automatic lubricating system for the joints of the industrial robot, by arranging a first automatic lubricating mechanism and a second automatic lubricating mechanism, a first push rod and a second push rod are driven to work when the rotating disc seat rotates or the first joint and the second joint rotate; the interior of a first lubricating pipe and the interior of a second lubricating pipe are controlled to generate suction force or pressure, lubricating oil in a first oil storage pipe and a second oil storage pipe is automatically controlled to flow out of a first smearing pipe and a second smearing pipe, the rotating disc shaft and the joint shaft are smeared, the lubricating oil can be injected in time, the lubricating efficiency is improved, joint abrasion is avoided, and the service life is prolonged.

The invention discloses an automatic barstock feeding mechanism which comprises a shell, a longitudinal pushing mechanism arranged at the bottom of the shell, a transverse pushing mechanism arranged on one side of the shell, a material box arranged on the shell, a discharging mechanism arranged between the material box on the shell and the transverse pushing mechanism, and a material box clamping device arranged on the shell and used for fixing the material box. The automatic barstock feeding mechanism can automatically and continuously push lubricating barstock onto a cutting saw web for realizing automatic lubrication of the saw web, and manual operation is not needed during the lubricating process, so that manpower is saved, possible danger caused by manual operation is also avoided, the lubricating efficiency is improved, and the workshop environment is not polluted; and the automatic barstock feeding mechanism is reasonable and skillful in structure, long in service life and excellent in working stability.

The invention discloses a rail-side solid-liquid-solid lubricating material and a manufacturing method thereof. The solid-liquid-solid lubricating material is prepared from the following raw materialsin percentage by weight: 18-35% of base oil, 1.5-5% of a thickening agent, 35-60% of wax, 10-20% of a solid lubricant, 2-5% of a tackifier, 1-5% of an extreme-pressure antiwear agent and 5-8% of other additives. According to the rail-side solid-liquid-solid lubricating material and the manufacturing method thereof, the solid-liquid-solid lubricating material has a low friction coefficient and relatively strong adhesion to a steel rail, can solve the problem that a lubricating material cannot adhere under the working condition of having water, has a low oil separating rate and certain degradation capacity, can effectively relieve the pollution of the lubricating material to the environment along a railway, and can reduce problems generated by a steel rail oil wedge.

The invention relates to a high-strength converter tapping slag stopping mechanism capable of improving operating efficiency and a processing technology thereof and belongs to the technical field of cast iron processing. The high-strength converter tapping slag stopping mechanism capable of improving the operating efficiency comprises a slag stopping mechanism body, a mechanism cooling system, an oil cylinder, a hydraulic system and a hydraulic cooling system. The mechanism cooling system is communicated with the slag stopping mechanism body through a pipeline. The output end of the oil cylinder is connected with the slag stopping mechanism body and used for driving the slag stopping mechanism body. The oil cylinder, the hydraulic system and the hydraulic cooling system are sequentially communicated through pipelines and form a loop. The sliding face of a sliding mold frame is in an oil groove type horizontal sliding mode. Compared with other similar slag stopping mechanisms, the safety risks caused by roller abrasion and axle fracturing of an axle-roller type slag stopping mechanism are eliminated completely.

A power transmission device is provided with a gear mechanism, a case, an oil pump and an oil tank. The gear mechanism is arranged to operate in coordination with a drive source. The case houses the gear mechanism and stores oil for lubricating the gear mechanism. The oil pump is arranged to operate in coordination with the drive source so as to pump the oil stored in the case to lubricate the gear mechanism. The oil tank is arranged to collect a portion of the oil pumped from the oil pump. The oil tank includes a first discharge outlet arranged to discharge the oil collected in the oil tank to the case and a second discharge outlet arranged to discharge collected oil to the case when an amount of the oil collected in the oil tank is equal to or larger than a prescribed amount.

The invention relates to the technical field of a rail vehicle transmission system, and discloses a traction gear box and a rail vehicle. The traction gear box comprises a gear box body, a driving gear assembly, a driven gear assembly and an oil accumulation tank, wherein an accommodation cavity is constructed inside the gear box body; the driving gear assembly is arranged in the accommodation cavity; the driven gear assembly is meshed with the driving gear assembly; an oil pool for containing lubricating oil is constructed at a position in the accommodation cavity, which corresponds to the lower part of the driven gear assembly; the lower end of the driven gear assembly is infiltrated in the lubricating oil in the oil pool; the oil accumulation tank is formed on the inner wall of the gearbox body and positioned above the driving gear assembly; the oil accumulation tank is used for bearing the lubricating oil shaken by rotation of the driven gear assembly; an oil inlet passage is constructed inside the driving gear assembly; and the oil inlet passage is communicated with the oil accumulation tank through an oil inlet hole formed on the gear box body. The traction gear box has theadvantages of high lubricating efficiency and good lubricating effect.

The invention discloses a low toxicity and low fluorescence lubricant for drilling fluid. The lubricant consists of the following components by weight: 50-90 parts of base oil, 5-30 parts of an emulsifier, 2-5 parts of a penetrant, 1-5 parts of a condensation point modifier and 2-10 parts of an extreme pressure agent. The preparation method is as below: adding 50-90 parts of base oil into a reactor, stirring and heating to 40-50 DEG C, then adding 5-30 parts of an emulsifier for an emulsified reaction, stirring for 1 h, raising the temperature to 50-60 DEG C, adding 2-5 parts of penetrant, stirring for 30 min, then adding 2-10 parts of the extreme pressure agent, continuing stirring for 30 min, stopping heating, then adding 1-5 parts of the condensation point modifier, cooling with stirring to room temperature, and pouring the lubricant out of the reactor. The lubricant provided by the invention has the advantages of low toxicity, low fluorescence, high lubrication efficiency, high temperature toleration and no foaming, and can satisfy the requirements of different wells such as large displacement well.

The invention relates to a split bearing bush seat type sliding bearing tank, which comprises a tank body connected with a casing, a sliding bearing component and a rolling bearing component which are arranged in the tank body and used for supporting a shaft,; the sliding bearing component comprises a bearing bush, an oil ring and a bearing bush installation seat; the rolling bearing is a single four-point contact ball bearing; and a gravity support surface between the tank body and the casing is positioned at the lower part of the sliding bearing component. According to the invention, the technical problems of large volume, large weight and large bending moment of the current sliding bearing tank can be solved, the weight of the bearing tank can be reduced, the capacity of the lubricating oil can be raised, and the installation of the sliding bearing tank is more stable and reliable.

The invention discloses an environmentally-friendly low-dust and low-noise novel brake pad for a high-speed railway and a preparation method thereof. The novel brake pad for the high-speed railway comprises a friction consumption layer and a sound absorption heat dissipation layer and meanwhile has good wear resistance and sound absorption and noise reduction performances. The preparation method comprises the following steps that cold press molding is carried out on a raw material of the friction consumption layer, and vacuum sintering is carried out so as to obtain the friction consumption layer, wherein the existence state of graphite in the friction consumption layer is that copper plating is carried out on the surface of the graphite by adopting chemical plating, then composite spherical powder of copper and the copper-plated graphite is prepared through an aerosol powder preparation method, and the graphite is tightly combined with the copper; and an H62 copper alloy substrate ofa porous structure is obtained through the sound absorption and heat dissipation layer through a 3D printing technology, and then pores are filled with foamed aluminium, so that the effect of reducingthe noise pollution is achieved. The brake pad for the high-speed railway has the advantages of being simple in formula, high in production efficiency, small in dust pollution, low in brake noise andgood in heat dissipation performance.

The invention discloses a cantilever centrifugal compressor which comprises a shell, a motor, an impeller driven by the motor to rotate, a transmission assembly and a lubricating oil way system symmetric about the vertical plane left and right. An output shaft of the motor is supported in the shell through two first bearings which are axially spaced. The transmission assembly is connected with the output shaft. A transmission shaft of the transmission assembly is supported in the shell through two second bearings which are axially spaced. The transmission shaft is sleeved with the impeller. The transmission shaft and the output shaft are located in the same vertical plane. The lubricating oil way system is arranged in the shell and used for lubricating the two first bearings and the two second bearings. According to the cantilever centrifugal compressor, the gravity center is located on the center plane, stability is high, the structure is compact, occupied space is small, the structure for supporting the shell is simple, the lubricating oil way system is simple, lubricating efficiency and reliability are high, the machining and assembling requirements of the transmission assembly are low, and cost is low.