5615 results about "Oil can" patented technology

The invention discloses a dispersed transformer cooling system and method, and relates to the technical field of transformers, integration supporting rods are mounted on the inner side of a transformer integration box through fixing bolts, a treatment transformer box is welded to the top ends of the two integration supporting rods, a hollow supporting rod is clamped to the inner side of the treatment transformer box, and a transformer core is mounted at the top end of the hollow supporting rod; the device effectively solves the problems that in the prior art, due to the fact that oil cannot circulate, heat is concentrated at the position of a transformer core, the internal temperature cannot be homogenized, only external air cooling treatment is conducted, the heat removal efficiency is poor, meanwhile, oil overflow and oil liquid level control are utilized, and the heat removal efficiency is poor. And the heat exchange area is increased, and the influence of oil on the operation environment and the operation stability is avoided, so that the heat exchange area is increased, the heat exchange speed is increased, the overall temperature is balanced, and stable operation treatment of the transformer is realized.

The invention relates to the field of transformers, in particular to an oil-immersed transformer with an intelligent temperature control system. An inner cavity of the transformer is divided into an infiltration cavity wrapping the outer side of an iron core winding, an upper outflow cavity and a lower outflow cavity through a pair of partition plates, and the upper outflow cavity and the lower outflow cavity are located on the two sides of the infiltration cavity; insulating oil is injected from the middle of the infiltration cavity and flows out from the upper outflow cavity and the lower outflow cavity, then mixing heat exchange of the insulating oil is carried out in the mixing barrel, a traditional natural flowing path formed by temperature difference of the insulating oil is replaced, and the insulating oil can reach the state that heat is evenly distributed more quickly; the problem of local overheating of the iron core winding caused by slow heat exchange due to natural flowing of the insulating oil is solved, meanwhile, the insulating oil fully flows in the infiltration cavity and fully flows and is in contact with the surface of the iron core winding through the confluence disc arranged on the partition plate, the spray pipe provided with a pair of spray holes and the flow guide column, and the heat dissipation efficiency is further improved.

The invention relates to the technical field of anchor plate drilling, and discloses a wind power generation anchor plate drilling device which comprises a machine tool body, a drill bit and a storage box, and a fixing mechanism is arranged on the inner wall of the bottom of the machine tool body. During use, firstly, an anchor plate is fixed through the fixing mechanism, after drilling operation is finished, drill bits are stored in the storage box, the drill bits with different diameters are matched through the extrusion assembly, and a rotating ring and a square block are driven to achieve the horizontal movement function; chippings on the surface of the drill bit can be cleaned through the cleaning assembly, so that the cleaning effect is achieved, when the square block and the rotating ring horizontally move towards the outside of the square groove, lubricating oil can be smeared on the surface of the drill bit through the smearing assembly, and the lubricating and maintaining effects are achieved. By means of the arrangement, the drill bit can be conveniently cleaned, maintained and repaired, overall operation is convenient and fast, and the using effect is good.

The invention discloses a fitting for an electric power circuit, and particularly relates to the technical field of circuit installation, the fitting comprises an equipment main body, a connecting part, a lubricating part and an oil storage part, the equipment main body comprises a ship body provided with a first through hole, the lower side of the ship body is provided with a fixing assembly, and the connecting part comprises a movable plate provided with a second through hole and a first rotating shaft; a second rotating shaft is inserted into the second through hole, the lubricating part comprises a rotating ring and a shell, a control assembly and an oil spraying assembly are arranged in the shell, an oil inlet is formed in the shell, the oil storage part comprises an oil storage box, and an oil conveying pipe is arranged on the lower side of the oil storage box. According to the suspension clamp, the lubricating part and the oil storage part are arranged, the lubricating part can automatically adjust use of lubricating oil, abrasion between parts is reduced, the service life of the suspension clamp is prolonged, waste of the lubricating oil can be reduced, the lubricating oil can be conveniently added by technicians through the external oil storage box, the service life of the suspension clamp is prolonged, and the use cost is reduced.

The utility model discloses a cable stranding device, which relates to the technical field of cable processing, and comprises a bottom frame, the top of the bottom frame is fixedly connected with a first fixing plate, the interior of the first fixing plate is fixedly connected with an oil brushing disc, the interior of the oil brushing disc is provided with a plurality of mounting holes, the interior of the oil brushing disc is provided with an oil brushing assembly, and the oil brushing assembly is fixedly connected with the bottom of the bottom frame. A first fixing plate is fixedly connected to the top of the bottom frame, a second fixing plate is fixedly connected to the top of the bottom frame, a twisting assembly is arranged in the second fixing plate, a supporting rod is fixedly connected to the top of the bottom frame, a collecting ring is fixedly connected to the top of the supporting rod, a fixing frame is fixedly connected to the top of the first fixing plate, and an oil storage tank is fixedly connected to the interior of the fixing frame. According to the utility model, the lubricating oil can be uniformly coated on the surface of the cable through the oil brushing assembly, so that the friction between the cable and the through hole and the collecting ring can be reduced, the cable is prevented from being damaged, and the abrasion of the through hole and the collecting ring is also reduced.

The invention provides a flat heat dissipation axial magnetic flux motor which comprises a heat dissipation assembly, and the heat dissipation assembly comprises a rotor disc, a rotor shaft, an inner core, a first flow channel, a second flow channel, a piston, an oil storage box, cooling fins, fan blades, a flow guide pipe, a sealing plate, a mounting disc and a magnetic block. And the rotor shaft is fixedly connected to the interior of the rotor disc. The rotor shaft drives the mounting disc to rotate, cooling oil flows into the first flow channel on the right side, then sequentially flows through the right flow guide groove, the left flow guide groove, the first flow channel on the left side, the second flow channel and the flow guide pipe and finally circulates into the oil storage box, the cooling oil circulates along with continuous rotation of the rotor disc, and then heat dissipation of the rotor can be achieved; cooling oil flowing into the oil storage box from the flow guide pipe makes contact with the cooling fins, the cooling oil can be cooled through the cooling fins, efficient cooling of the rotor is achieved by adopting an internal circulation mode of the cooling oil, and installation and use of the motor are not affected.

1. The name of the product of this design: oil spray pot. 2. Purpose of the product of this design: an oil spray bottle for containing edible oil. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The top view of this design product is a part that is not easy to see or cannot be seen when in use, so the top view is omitted; the product's design can be observed from other views submitted, so the top view is omitted. 6. Other situations that require explanation Other explanations: Area A in the figure is made of transparent material.

The invention belongs to the technical field of metal stamping dies, and particularly relates to a metal stamping die demolding structure which comprises a stamping base, a stamping frame fixed to the surface of the stamping base and a stamping hydraulic cylinder fixed to the surface of the stamping frame. A stamping base is arranged over the stamping die, a lubricating top die assembly is arranged above the stamping base, the lubricating top die assembly is arranged, lubricating oil can be smeared and sprayed to the surface of the stamping base and the interior of the stamping die, and therefore the friction force between the surface of the stamping base and the interior of the stamping die in the subsequent stamping process is reduced; the phenomenon that metal raw materials are damaged due to friction caused by forced stamping without lubrication is avoided, demolding after the metal raw materials are stamped is also facilitated through the lubrication effect, a metal blank formed through stamping can be pushed to be loosened, the rapid demolding effect is achieved, manual demolding is not needed, the labor intensity of manual demolding is reduced, and the demolding efficiency is improved.

The utility model relates to the technical field of reinforcing steel bar processing, and discloses a special hoop bending machine for reinforcing steel bar processing, which comprises a frame, a hydraulic clamp is arranged in the middle of the frame, a plurality of straightening guide wheels are rotatably connected to the front side of the frame, and the straightening guide wheels are symmetrically distributed up and down. Wherein the middle portions of the two straightening guide wheels are fixedly connected with first gears through rotating shafts, the two first gears are meshed, the inner top wall of the frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a cam, and the middle portion of one first gear is fixedly connected to the side, away from the first motor, of the cam. According to the utility model, when steel bars are straightened and conveyed along with the operation of the hoop bending machine, lubricating oil can be continuously pumped out of the oil tank and fed into the hoop bending assembly for lubrication by virtue of the matching of the cam and the piston, so that the abrasion of the hoop bending machine during working is reduced, the service life of the hoop bending machine is prolonged, and the stability of the hoop bending machine during working is ensured; and the hoop bending precision is improved.

The invention discloses a valve drilling and boring device, and relates to the technical field of drilling devices, through use of a protection assembly, a supporting base is included, splashed cooling oil and metal filings can be blocked by the inner wall of a protection shell, and due to the fact that the cooling oil is sprayed to the inner wall of the protection shell and the area of the inner wall of the protection shell is large, the surface area is increased when the cooling oil is spread; the boring frame rotates to drive an oil scraping rod to rotate, the oil scraping rod scrapes the cooling oil and metal filings adhered to the inner wall of the protective shell, the cooling oil and the metal filings fall down from an oil discharging opening, and the effects of accelerating heat dissipation of the cooling oil and accelerating circulation of the cooling oil are achieved; the situation that the temperature of the cooling oil is too high due to the fact that the cooling oil is directly recycled and heat dissipation is difficult in the traditional situation is avoided, the cooling oil is sprayed on the inner wall of the protection shell to increase the heat dissipation area, and the cooling oil is scraped and recycled through the oil scraping rod after heat dissipation, so that it is guaranteed that the cooling oil can be fully dissipated; and the cooling oil is actively scraped and recycled to accelerate the circulation of the cooling oil.

The invention provides a method and system for cleaning a ship oil flow pipeline, and the method comprises the steps: obtaining a first Reynolds number of flowing oil in each branch of the ship oil flow pipeline, and comparing the first Reynolds number with a critical Reynolds number; and acquiring the pollution grade of pollutants in each branch of the ship oil flow pipeline, and if the pollution grade is greater than a set value, judging that the ship oil flow pipeline needs series washing. According to the comparison result of the first Reynolds number and the critical Reynolds number, on the premise that series washing needs to be conducted on the ship oil flow pipeline, if the first Reynolds number is larger than or equal to the critical Reynolds number, flowing oil in all branches of the ship oil flow pipeline is in a turbulent flow state, the flowing oil can exert strong acting force on the pipe walls of all the branches during series washing, and therefore series washing is conducted on the ship oil flow pipeline. The inside of the pipeline can be cleaned more efficiently, and the serial washing efficiency is improved.

The utility model provides a hydraulic safety valve, which relates to the technical field of hydraulic safety valves and comprises a hydraulic safety valve body, an oil storage chamber is arranged at the top of the hydraulic safety valve body, and a heating structure is fixedly connected to the outer side of the oil storage chamber and can heat hydraulic oil in the oil storage chamber. Through the design of the heating structure and the heat dissipation structure, the temperature sensor can detect the temperature of hydraulic oil in real time, when the temperature of the hydraulic oil in the oil storage chamber is too low, the heating structure can be started and heat the hydraulic oil, so that the hydraulic oil can be located at the optimal working temperature, and when the temperature of the hydraulic oil is too high, the heat dissipation mechanism can be started; and a heating medium and hydraulic oil in the heating structure are subjected to synchronous heat dissipation, so that the heating structure can recover to the optimal working temperature.

The invention provides an intelligent suspension conveying device, one support is provided with a lubricating assembly used for automatically spraying lubricating oil to conveying equipment, the lubricating assembly is provided with an anti-dripping assembly used for automatic wiping after the lubricating oil is sprayed, and the intelligent suspension conveying device relates to the technical field of intelligent suspension equipment. According to the intelligent suspension conveying equipment, the lubricating assembly is arranged below the intelligent suspension conveying equipment, the function of regularly and automatically spraying lubricating oil to transmission equipment of the intelligent suspension conveying equipment is achieved, and the convenience and efficiency of equipment lubricating are improved. After spraying, redundant lubricating oil can fall into the oil receiving box to be effectively collected, random dripping of the lubricating oil is avoided, and therefore the working environment is kept clean and tidy. In the spraying process, the transmission equipment does not stop and continuously rotates, in the rotating process, the anti-dripping assembly can wipe redundant lubricating oil on the transmission equipment, the risk that residual oil on the transmission equipment drips to the ground is thoroughly eliminated, and the cleanliness and safety of the equipment are further improved.

The invention relates to the technical field of tool magazines, and discloses a tool pouch turnover device of a chain belt type tool magazine, which comprises a frame body, a driving chain belt is arranged in the frame body, a plurality of swing plates are equidistantly arranged on the driving chain belt, one end of each swing plate is fixedly connected with a tool pouch, and the other end of each swing plate is provided with a tool reversing wheel. A tool reversing air cylinder is arranged outside the driving chain belt, a tool reversing block is fixedly connected to the telescopic end of the tool reversing air cylinder, a storage box is arranged on one side of the tool reversing air cylinder, lubricating oil is stored in the storage box, an oil squeezing box is arranged between the storage box and the tool reversing air cylinder, and a connecting pipe is communicated between the top end of the oil squeezing box and the bottom end of the storage box. According to the device, lubricating oil can be automatically sprayed to the tool reversing wheel clamped in the tool reversing block, the tool reversing wheel and the inner wall of the tool reversing block are lubricated, the lubricating oil does not need to be manually smeared, the friction force between the tool reversing wheel and the tool reversing block is greatly reduced, and clamping or abnormal sound is avoided.

The invention provides an in-die oil feeding, cooling and lubricating structure of a stamping die, and relates to the field of stamping dies. The in-die oil feeding, cooling and lubricating structure of the stamping die comprises a female die and a box body installed on the outer side of the female die, the box body is used for containing lubricating oil, a groove used for conducting punch forming on a workpiece is formed in the female die, a notch used for discharging oil is formed in the bottom of the female die, and a cooling device used for cooling the lubricating oil is installed on one side of the box body. According to the in-die oil feeding, cooling and lubricating structure of the stamping die, lubricating oil in the box body circularly flows and is in a low-temperature state, in the stamping process, descending of the filling plate can enable the spray head to rotate, and due to the fact that the low-temperature lubricating oil is directly and sufficiently sprayed to the inner wall of the female die, a workpiece material and the bottom of the filling plate, the sufficient lubricating effect can be achieved; due to the fact that the notch is formed in the bottom of the female die, finally sprayed lubricating oil converges into the box body through the notch to form circulation, and waste of the lubricating oil can be prevented.

The invention relates to a sterilization type oxygen absorbent drying, mixing and vacuum packaging integrated system, and relates to the technical field of oxygen absorption master batch production, the sterilization type oxygen absorbent drying, mixing and vacuum packaging integrated system comprises two groups of dryers, a mixing machine, a vacuum generation system, an oil bath circulation system and a nitrogen supply system, the two groups of dryers comprise a first dryer and a second dryer; the dryer comprises a barrel, a swing driving mechanism and two swing shafts, the barrel comprises an inner shell and an outer shell, a heating cavity is formed between the inner shell and the outer shell, each swing shaft is provided with an oil inlet channel and an oil return channel, the outer shell is provided with a guide part in the heating cavity, and a heating channel allowing medium oil to flow is formed among the guide part, the inner shell and the outer shell. The heating channel forms a baffling section at the bottom of the inner shell, and medium oil can flow into the oil return channel along the heating channel and the baffling section. The medium oil flows from bottom to top, so that the medium oil with low temperature and high density is effectively prevented from being accumulated at the bottom of the barrel, materials are dried more uniformly by the medium oil, and the production efficiency of the oxygen absorbent is improved.

The invention relates to the technical field of speed reducers, and particularly discloses a self-adaptive lubrication multi-stage planetary gear speed reducer which comprises a multi-stage planetary gear speed reducer body, an oil storage cavity is formed in the top end of the multi-stage planetary gear speed reducer body, and a heat dissipation cavity is formed in the left side of the multi-stage planetary gear speed reducer body. An oil filling hole communicated with an inner cavity of the oil storage cavity is formed in the top end of the multi-stage planetary gear speed reducer, an overflow hole communicated with the inner cavity of the oil storage cavity is formed in the top of the rear side of the multi-stage planetary gear speed reducer, and a limiting groove is formed in the left side of the top end of the multi-stage planetary gear speed reducer; and the multi-stage planetary gear speed reducer input shaft is rotatably arranged in the middle of the inner cavity of the multi-stage planetary gear speed reducer. Intelligent monitoring and automatic adjustment of the lubricating oil can be achieved, lubrication failure caused by reduction of the lubricating oil and temperature rise is effectively avoided, the operation stability, durability and transmission efficiency of the speed reducer are remarkably improved, and meanwhile the manual maintenance cost is reduced.

The utility model belongs to the technical field of thin-wall angular contact ball bearings, and particularly relates to a thin-wall angular contact ball bearing capable of being quickly lubricated, which comprises a bearing component, the bearing component comprises an outer ring, a lubricating component is fixedly connected inside the outer ring, and clamping components are arranged at the upper end and the lower end of the inner wall of the outer ring. The lubricating assembly comprises six sets of piston cylinders fixedly connected to the interior of the outer ring, pistons are slidably connected to the inner walls of the six sets of piston cylinders, piston rods are welded to one sides of the pistons, and the surfaces of the piston rods are sleeved with springs. The bearing friction coefficient is reduced, the service life is prolonged, meanwhile, self-lubrication can be achieved through rotation of the balls, manual spraying is not needed, when the ball is separated from extrusion of the balls, the piston is driven to reset under the counter-acting force of the spring, and the service life is prolonged. And under the action of the one-way piece, lubricating oil can be effectively pumped into the oil storage tank through the oil pumping pipe.

The invention relates to the technical field of axially split pumps, and discloses a self-balancing single-stage double-suction axially split pump which comprises an axially split pump and a motor, the motor is connected with a pump shaft in the axially split pump, the impeller is used for being connected with the pump shaft, and the oil injection unit is arranged on the axially split pump and used for injecting lubricating oil into the area where the pump shaft is located. The oil injection unit comprises a locking assembly, an oil injection assembly and a fixing base. When lubricating oil injection work needs to be carried out, gas transmission work can be carried out in the other gas inlet nozzle, so that a second sealing seat moves towards a first rotary knob, a gap is formed between a driven rod and a second sealing block, and then lubricating oil can move to a fixing seat and a self-locking assembly from a second connecting seat; and finally, the water is injected into the area where the bearing and the pump shaft are located, so that the lubricating effect on the bearing and the pump shaft is achieved, the condition of dry grinding during rotation of the pump shaft is avoided, and smooth work of the axially split pump is guaranteed.

The invention discloses a bearing lubricating oil chamber structure for a double suction pump, relates to the field of pumps, and abandons the situation that a traditional exhaust valve releases oil mist pressure, blades rotate to form a right high-pressure area when a customized bearing rotates, the bottom end of the customized bearing is locally immersed in oil, oil is uniformly carried during rotation and heat is increased, and air in a lubricating chamber is injected into an oil can through the pressure difference of the two sides of the blades; compared with a traditional mode, the lubricating device has the advantages that the uniformity is higher, repeated friction and atomization of the oil can be avoided, the oil enters the oil can along with airflow along with continuous adding of the oil in the lubricating chamber and rising of the liquid level, and the lubricating effect is better. And the oil is cooled and circulated in the return pipe after being filtered by the kettle cover, so that the oil can be continuously and circularly filtered, the reliability of the oil is ensured, the cooled oil can lubricate the bearing and take away heat, long-time high-speed use is met, the oil loss is small, the operation environment of the bearing is stable, and the overall maintenance period is greatly prolonged.

According to the liquid accumulator, the rolling rotor compressor and the air conditioner, shielding faces are matched with fisheye vent holes, when gas passes through the fisheye vent holes, the gas can be exhausted from one sides of the shielding faces of the fisheye vent holes, the two shielding faces in each pair are distributed on the sides, away from each other, of the two fisheye vent holes, and the two fisheye vent holes are communicated with each other. The two fisheye vent holes are formed in the liquid storage device, gas in the two vent holes collides and converges between the two fisheye vent holes after being exhausted, the flow speed of the collided gas is reduced, refrigerating machine oil in refrigerant gas is separated out, the separated refrigerating machine oil drips into the bottom of the liquid storage device, and when the liquid level reaches a certain height, the refrigerating machine oil can flow back to the pump body through the oil return hole; according to the device, the flowing direction of the gas when the gas penetrates through the fisheye vent holes is changed, oil-gas separation is assisted through collision of the gas, the gas flow oil separation effect is improved, the refrigerant gas and refrigerating machine oil are separated more sufficiently, and the oil-gas separation efficiency is improved. And the refrigerating or heating capability of the air conditioner during use is improved.

The invention belongs to the technical field of automobile shock absorber electromagnetic valves, and particularly relates to a hydraulic shock absorber electromagnetic valve for vehicle testing, which controls whether a liquid inlet hole is directly communicated with a main liquid cavity or not through an elastic valve plate, and controls whether the main liquid cavity is communicated with a liquid outlet hole or not through a pressurizing seat. The pressure of oil entering the liquid inlet must overcome the tension of the elastic valve block, the supporting force of the elastic supporting piece can push the elastic valve block and the pressurizing base to move in the direction away from the main valve body, then the oil can flow back to the shock absorber through the liquid outlet hole, and the resistance borne by the oil in the electromagnetic valve is increased. And large damping force is provided for the vibration damper. By arranging the pressurizing cavity, when the electromagnetic coil is powered on, the pilot valve element blocks the overflow hole, oil in the overflow hole applies pressure to the pressurizing base, the oil does not easily push away the pressurizing base and the elastic valve block in the direction away from the main valve body, and oil resistance is further increased. The electromagnetic valve consumes less electric energy, and the vehicle research and development test efficiency is improved.

The invention provides a high-reliability servo actuating device which comprises an actuator body, the outer end of a piston rod of the actuator body penetrates out of a connecting part at a port of the actuator body, a locking plate and a limiting thread sleeve are arranged on the outer side of the connecting part, and the locking plate can move in the length direction of the connecting part. A first limiting nut is further connected to the connecting position of the outer end of the piston rod and the connecting base in a screwed mode, an emergency centering groove is formed in the position, corresponding to the piston cavity, of the inner wall of a shell of the actuator body, an emergency centering opening is formed in the surface of the shell, and the emergency centering groove is communicated with the emergency centering opening through a centering channel arranged in the side wall of the shell. The device has the beneficial effects that the stroke is adjustable through the limiting screw sleeve and the locking plate; high-pressure oil can be led out of the shell through the emergency centering groove, and the requirement for the opening degree of a vector nozzle of an engine can be met.

The invention relates to the technical field of quenching, in particular to a high-toughness steel wire production quenching furnace and a quenching process thereof. The quenching furnace comprises a furnace body, a heating chamber and a cooling chamber are arranged in the furnace body, a blocking mechanism is arranged between the cooling chamber and the heating chamber, a conveying mechanism is arranged in the cooling chamber, a mounting frame is arranged at the bottom of the cooling chamber, and a quenching oil tank used for storing quenching oil is arranged in the mounting frame. A stirring mechanism and a reciprocating mechanism are arranged in the quenching oil tank; oil in the quenching oil tank flows through up-down reciprocating motion of the pressing plate, temperature layering of the upper layer and the lower layer of the oil is broken, heat exchange is promoted, the temperature of the oil is more uniform, when the pressing plate reciprocates up and down and ascends, the through holes are opened, the oil in the upper layer can smoothly pass through, and when the pressing plate descends, the through holes are closed. Therefore, the speed of oil in the lower layer flowing to the upper layer in the oil tank is increased, convection of oil in the quenching oil tank is more sufficient, and the temperature difference between the upper layer and the lower layer is further reduced.

The invention relates to an oil cooling motor with low oil stirring loss, which comprises a casing, a front end cover, a rear end cover, a stator assembly and a rotor assembly, and is characterized in that the rotor assembly comprises a rotating shaft, a rotor core and rotor baffles, the rotor core is sleeved and fixed on the rotating shaft, the two rotor baffles are respectively arranged at two ends of the rotor core, and oil storage cavities are formed in the outer edges of the rotor baffles; an oil throwing hole is formed in the side wall of the oil storage cavity and located at the winding, at least part of the interior of the rotating shaft is hollow to form a cooling oil hole, and an oil way connecting the cooling oil hole and the oil storage cavity is further arranged in the rotor baffle. According to the invention, the cavity radial oil path is arranged in the rotor baffle plate, so that the oil liquid is directionally sprayed on the end part of the winding, the oil throwing path of the rotor is restrained to the greatest extent, the oil liquid is prevented from being randomly and disorderly distributed in the motor cavity, the oil liquid is prevented from adsorbing a rotating part, and the oil stirring loss is reduced.

The invention discloses an axial ring lower lubricating structure and an aero-engine with the axial ring lower lubricating structure. The axial ring lower lubricating structure comprises a switching oil distribution device, a connecting bearing arranged on the outer circle of the switching oil distribution device and a plurality of oil supply nozzles. The first end of the switching oil distribution device is provided with an oil distribution cavity, the spline section behind the first end of the switching oil distribution device is provided with an inner spline, and an inclined oil conveying channel set and an axial oil conveying channel set are further arranged in the spline section. The oil supply nozzles are used for spraying lubricating oil into the oil distribution cavities, and the oil distribution cavities are used for distributing the lubricating oil so that the lubricating oil can correspondingly enter the oblique oil conveying channel set and the axial oil conveying channel set under the rotating centrifugal effect, and the lubricating oil in the oblique oil conveying channel set can continue to enter the connecting bearing for lubrication under the rotating centrifugal effect. And lubricating oil in the axial oil conveying channel group continues to enter the inner spline for lubrication under the rotating centrifugal effect. According to the structure, the whole lubricating oil system is compact in flow path structure, high in reliability, high in lubricating efficiency and high in function integration degree, and the lubricating and cooling problems of high-DN-value bearings and splines of aero-engines are effectively solved.

The frequency converter shell stamping device particularly relates to the technical field of frequency converter production and comprises a machine shell, a plurality of machine legs are fixedly connected to the lower end of the machine shell, a containing plate is fixedly connected to the inner surface of the machine shell, an upper die is fixedly installed at the lower end of a hydraulic cylinder, and a conveying and oil spraying assembly is arranged on the inner surface of the machine shell. A cooling supporting assembly is arranged on the inner surface of the lower mold and the inner surface of the upper mold. According to the frequency converter shell stamping device, by arranging the oil spraying mechanism, lubricating oil is sprayed to the upper die and the lower die, meanwhile, an aluminum alloy plate in the moving process can be sprayed, friction can be effectively reduced, abrasion between the dies and materials in the stamping process is reduced, the service life of the dies is prolonged, and meanwhile, the production efficiency is improved. And the lubricating oil can improve the stability in the stamping process, reduce the risks of material deformation, wrinkles and cracks, and ensure the surface quality and dimensional precision of the aluminum alloy plate.

The invention provides a self-lubricating crankshaft and refrigeration equipment, and relates to the field of refrigeration equipment, an annular concave main shaft oil storage groove is formed by main shaft part sections where oil storage section oil grooves are distributed, the oil storage space is increased, and the lead of the oil storage section oil grooves is smaller than that of other sections of spiral oil grooves, so that the speed of refrigerating machine oil is slower during backflow; the eccentric oil storage groove formed in the end face of the connecting rod shaft is communicated with the eccentric section oil groove through the oil outlet hole, the function of storing the refrigerating machine oil is achieved, and when restarting is conducted after shutdown, the stored refrigerating machine oil can be put into use rapidly and can be supplied to the eccentric part and the main shaft part in time to provide initial lubrication. Dry friction at the starting moment is reduced, the reliability of the crankshaft during starting is improved, and poor lubrication caused by insufficient oil supply is avoided.

The invention provides an additive adding system and method for a phosphate fire-resistant oil system, and the additive adding system comprises an additive adding control system, an additive quantitative adding device, an additive dissolving device, a vacuumizing device, an oil product injection device, an oil product discharge device and an additive adding control system which are connected, the additive quantitative adding device can automatically add an additive into the additive dissolving device, the additive dissolving device is connected with an oil system needing additive adding through the oil injection device and the oil discharge device, the additive is directly dissolved in the oil system, and all oil in the oil system gradually flows through the additive dissolving device. The phosphate fire-resistant oil additive adding device is simple in structure and convenient to operate, it is guaranteed that even additives with low solubility in phosphate fire-resistant oil can be added, after the device is connected into an oil system through a control system, the additive adding process can be automatically completed, oil products cannot be polluted, and the additive adding process can be simple, efficient and labor-saving.

The utility model discloses polishing equipment facilitating oil-water separation, and belongs to the technical field of polishing equipment. The polishing equipment comprises a base, an X-axis tray extending in the transverse direction is arranged on the base, a Y-axis tray can be installed on the X-axis tray in a sliding mode in the transverse direction, a workbench can be installed on the Y-axis tray in a sliding mode in the longitudinal direction, and a polishing clamp assembly station is arranged on the workbench; cross beams which are parallel to the X-axis tray and are distributed at intervals in the longitudinal direction are arranged on the base and located on one side of the X-axis tray, the cross beams are used for assembling grinding disc assemblies, the area, located between the cross beams and the X-axis tray, of the upper surface of the base is sunken downwards to form a conical water receiving disc, and the X-axis tray and the Y-axis tray are sunken downwards to form conical oil collecting grooves. Polishing liquid falling in the polishing process is collected through the water pan, lubricating oil is collected through the oil collecting groove, and therefore the polishing liquid and the lubricating oil can be effectively prevented from being mixed together, and pollution of the polishing liquid and corrosion of a machine table are avoided.