453 results about "Gear oil" patented technology

The invention relates to the technical field of electric vehicles, and provides a cooling system for a hub motor, the hub motor and an electric vehicle, the cooling system for the hub motor comprises a base and a transmission shell, the base is internally provided with a first cavity and a second cavity, the second cavity is provided with a gear transmission assembly, the side wall of the first cavity is provided with a first cooling liquid flow channel, and the side wall of the second cavity is provided with a second cooling liquid flow channel; a second cooling liquid flow channel is formed in the side wall of the second cavity; the transmission shell is of a cylindrical structure with the first end open and the second end closed, the transmission shell is arranged outside the second cavity in a sleeving mode, the first end of the transmission shell is rotationally connected with the machine base in a sealed mode, the transmission shell is connected with the hub, an oil cavity is formed between the inner side wall of the transmission shell and the outer side wall of the machine base, and the oil cavity is communicated with the second cavity. Through the arrangement, the second cooling liquid flow channel can be used for cooling the second cavity, gear oil in the second cavity can enter the oil cavity, and the second cooling liquid flow channel can also be used for cooling the gear oil in the oil cavity, so that the problem of over-temperature failure of the motor and the gear can be avoided.

The invention relates to the technical field of intelligent oil injection control, in particular to a limited slip differential gear oil performance directional optimization method and system.The limited slip differential gear oil performance directional optimization method comprises the following steps that the temperature rise rate is collected through a temperature sensor to calculate the gear shaft elongation, and a meshing clearance trend vector is generated by combining differential temperature time sequence analysis; the stability correction is calculated by fusing oil film thickness data, the injection angle compensation driving servo motor is solved based on vector projection, the adhesion factor index is constructed by coupling the oil injection feedback and the oil film difference, the oil product meeting the tension condition is switched when the limit is exceeded, and the lubrication recovery performance is evaluated. According to the method, gear shaft temperature rise and differential mechanism temperature gradient data are collected in real time, meshing clearance accurate prediction is achieved by combining expansion coefficient analysis, stability judgment is improved by fusing oil film thickness data, jet precision is optimized based on a vector projection dynamic compensation jet angle, and an adhesion factor index containing a phase difference is constructed to achieve lubrication attenuation early warning. And oil products are accurately switched by dynamically matching tension and viscosity threshold values, so that friction loss is reduced.

The invention discloses a power generation and driving integrated device with an active lubricating system. The power generation and driving integrated device comprises a motor shell, a motor, a planetary gear mechanism, a transmission gear set, a filter, an electronic pump, a flywheel shell and a motor shell cover plate. The motor shell comprises a motor cavity for accommodating the motor and a gear cavity for accommodating the planetary gear mechanism and the transmission gear set, the flywheel shell seals the gear cavity, and the motor shell cover plate seals the motor cavity; the bottom of the gear cavity is divided into an oil suction cavity through a motor shell oil separation rib, an oil return groove is formed in the connecting position of the motor shell oil separation rib and the bottom of the gear cavity, the filter is contained in the oil suction cavity, the electronic pump partially stretches into the oil suction cavity and is connected with the filter, and an oil outlet of the filter is communicated with an oil inlet of the electronic pump. According to the invention, stable active lubrication of parts with lubrication and cooling requirements, such as shafts, gears, bearings, motors and the like, is realized. Meanwhile, gear oil stirring can be reduced, and the speed reducer efficiency is improved.

The utility model discloses a hydraulic control valve which comprises a valve body, an oil pump and a conversion check valve. A gear shifting oil cavity is formed in the valve body, a slidable gear shifting piston is installed in the gear shifting oil cavity, and the moving positions of the gear shifting piston comprise the low-speed gear position and the high-speed gear position. Working oil passing through the low-gear oil inlet can apply pressure to one end of the gear shifting piston, and the engine can apply pressure to the other end of the gear shifting piston through the oil pump. The shift piston is controlled to move through pressure at two ends of the shift piston; when the gear shifting piston is kept at the high-gear position, working oil can enter the high-gear oil inlet of the gearbox only through the high-gear oil outlet by switching the check valve. By means of the arrangement, the defects of an original hydraulic downshift control mechanism are overcome, interlocking of gears and the rotating speed of an engine is achieved, and it is guaranteed that the gear shifting process is stable and smooth, and continuous power output is achieved.

The invention relates to the technical field of design of an air suction prevention scheme for a hydraulic rocker gear oil cooling circulating pump of a coal mining machine, in particular to an air suction prevention method for the hydraulic rocker gear oil cooling circulating pump of the coal mining machine and the coal mining machine. Aiming at the problem of air suction damage of a circulating pump caused by change of the inclination angle of the rocker arm, oil suction ports are formed in the lowest liquid level positions of the positive and negative inclination angles of the rocker arm respectively, the inclination angles are monitored in real time through an angle sensor, and an electric control box controls an electric proportional reversing valve to act according to inclination angle signals and drives a hydraulic control reversing valve to be switched to a corresponding working position. And the gear oil circulating pump is always communicated with the current lowest liquid level oil suction port. According to the scheme, the pumping air corrosion risk is thoroughly eliminated, the service life of the pump body and the gear set is prolonged, and meanwhile system energy consumption is reduced. According to the preferable scheme, the filter and the cooler are integrated to form a closed-loop purification cooling loop, and the cleanliness and the thermal stability of the oil are further guaranteed. According to the invention, the adaptability defect of the fixed oil suction port under the dynamic dip angle working condition is overcome, and reliable guarantee is provided for high-load continuous operation of the coal mining machine.

Provided herein are processes for recycling hydrocarbons in a used high performance lubricant such as wind turbine gear oil. In the present process and methodologies, the used high performance lubricant is not mixed with another type of used oil. The used high performance oil is contacted with a solvent in an extraction process. Contaminates are extracted and circular hydrocarbons are formed. Solvent can be recovered, and the circular hydrocarbon combined with a high performance base stock for use as a high performance lubricant in a mechanical system.

The invention relates to the technical field of industrial lubricating oil, in particular to a preparation method of polyether type heavy-load worm and gear oil, which comprises the following preparation steps: S1, synthesizing an intermediate; s2, synthesizing an ionic liquid; s3, compounding is carried out; and S4, carrying out post-treatment. The ionic liquid containing the trifluoromethylsulfonyl imide group and 4, 4 '-dioctyl diphenylamine generate a synergistic effect, the flash point of the polyether type heavy-load worm and gear oil can be increased by 10-30 DEG C, meanwhile, the three technical problems of flash point, oxidation resistance and low-temperature fluidity are solved, and the polyether type heavy-load worm and gear oil is particularly suitable for heavy-load worm gear transmission systems such as wind power gear boxes and metallurgical machinery.

A liquid composition for providing enhanced lubrication and wear protection, particularly under high-performance and / or extreme-pressure conditions. The composition comprises components that are solubilized, liquified, liquefacted, or sub-micronized, and are formulated to result in a stable, color-tunable composition that can be stored or implemented over extended periods of time without separation of solid components from the liquid. A composition can be a lubricant in which the solubilized, liquified, liquefacted, and / or sub-micronized components are comprised within a base oil, or an additive composition in which the components are formulated to be later added to a base oil. Suitable base oils are industrial, automotive, or open gear oils such as those used in the oil and gas industry, sugar mills, or in rock crushers; rock drill, pneumatic, and air tool oils; anti-seize compounds; cutting, gun, engine, air compressor, or bearing oils; slideway lubricants; and oven, kiln, foundry, metalworking, metalforming, or aerospace lubricants.

An outboard motor includes a power source disposed, a propeller shaft, a drive shaft, a gear mechanism, a lower case having an internal space in which gear oil is stored, a gear oil gauge configured to check a level or a state of the gear oil stored in the internal space, a gauge mounting hole provided configured to removably mount the gear oil gauge to the lower case such that one end side of the gear oil gauge is immersed in the gear oil stored in the internal space, a gauge insertion portion configured to insert the gear oil gauge into the gauge mounting hole, an oil supply and discharge passage provided in the lower case, and a pump connecting portion configured to connect a pump. The gauge insertion portion and the pump connecting portion are arranged side by side.

The present invention relates to the field of lubricating oil technology, and in particular to a gear oil composition that can be used in a gearbox of a wind turbine generator set. The gear oil composition comprises: a low-viscosity poly-α-olefin and a high-viscosity synthetic ester; the weight ratio of the low-viscosity poly-α-olefin to the high-viscosity synthetic ester is 1:2 to 4.5; the kinematic viscosity of the low-viscosity poly-α-olefin at 100°C is 2 to 4.5 mm 2 / s; the high viscosity synthetic ester has a kinematic viscosity of 500 to 1500 mm at 40°C 2 The gear oil composition of the present invention has good biodegradability and sealing material compatibility, excellent hydrolysis resistance, low-temperature fluidity, extreme pressure and anti-wear properties, good oxidation stability, corrosion and rust resistance, and demulsification properties, can meet the performance requirements of wind power gearboxes, and is environmentally friendly.

The invention discloses a draught fan main gear oil degradation diagnosis method and system, and the method comprises the steps: carrying out the real-time data collection of the kinematic viscosity of draught fan main gear oil, and carrying out the normalization processing and weighting, and obtaining the standardized value of the kinematic viscosity; carrying out real-time data acquisition on the acid value of the main gear oil of the fan, and carrying out normalization processing and weighting to obtain a standardized value of the acid value; carrying out real-time data acquisition on the fan main gear oil wear element, and carrying out normalization processing and weighting to obtain a standardized value of the wear element; carrying out real-time data acquisition on the fan main gear oil additive dissolution element, and carrying out normalization processing and weighting to obtain a standardized value of the additive dissolution element; determining a degradation index according to each standardized value, and judging whether the main gear oil of the fan is degraded or not and judging the abnormal grade of oil degradation; the method has the advantages that the calculated amount is small, the efficiency is high, and the diagnosis result can be efficiently output.

The invention relates to the field of mechanical equipment, in particular to a worm and gear speed reducer capable of overload protection, which comprises a pump shell, an input shaft and an output shaft, the input shaft and the output shaft are both mounted in the pump shell through bearings, a worm on the input shaft is in meshed connection with a worm gear on the output shaft, and the pump shell is filled with gear oil. The pump further comprises a leakage monitoring mechanism, an overload monitoring mechanism and a heat dissipation mechanism. The leakage monitoring mechanism and the overload monitoring mechanism are both vertically installed on the upper surface of the pump shell. The heat dissipation mechanism is fixedly connected to the rear side of the pump shell. The box body is mounted on the upper surface of the pump shell; the oil cylinder is vertically installed at the left end of the upper surface of the box body and filled with gear oil. The gear oil pump has the pump shell leakage monitoring function, gear oil is supplemented, maintenance by workers is facilitated, heat dissipation and noise reduction are guaranteed, overload and overtemperature can be physically monitored, the double heat dissipation effect is achieved, gear oil viscosity reduction is prevented, abrasion between an input shaft and an output shaft is reduced, and the service life is prolonged.

The utility model discloses an automatic gear oiling machine, and belongs to the technical field of gear machining equipment. The gear oiling device structurally comprises a feeding frame, a discharging frame and a gear oiling set, an automatic gear oiling technology is adopted, a gear to be machined is placed in the gear oiling set, automatic limiting-oiling operation is carried out on the gear, labor loss of workers is effectively reduced, the gear oiling work efficiency is improved, and the gear oiling device is suitable for large-scale production. And meanwhile, the oil dripping quantity of the gear can be more uniform, and the situation that the oil dripping quantity of the gear is not uniform is avoided.

The utility model relates to the technical field of gear oil pumps, and discloses an anti-abrasion device of a gear oil pump, which comprises a lower pump body, an upper pump body is adjacently arranged above the lower pump body, a driven gear is rotatably connected inside the upper pump body, a motor is fixedly connected to one side of the outer wall of the lower pump body, a driving gear is fixedly connected to the output end of the motor, and the driving gear is fixedly connected to the other side of the outer wall of the lower pump body. The driving gear is in meshed connection with the driven gear, a plurality of tooth ends are fixedly connected to one side of the outer wall of the driving gear and one side of the outer wall of the driven gear, an oil outlet groove is formed in the driven gear, the upper end of the oil outlet groove is close to the tooth ends, and the lower end of the oil outlet groove is large and the upper end of the oil outlet groove is small. The oil storage tank is used for storing lubricating oil. According to the gear, the oil outlet groove, the oil inlet groove and the oil storage groove are matched with one another, so that lubricating oil enters the space between the two tooth ends, the effect that the gear always keeps lubricating during rotation is achieved under the action of the wear-resistant material, and the wear resistance is improved.

The present disclosure relates to an electric machine assembly having an internal lubricant passage. The motor assembly comprises a bearing cover plate and a motor end cover, according to the transmission direction of lubricating oil, the bearing cover plate is installed on the downstream of the gear box in the axial direction, and the motor end cover is installed on the downstream of the bearing cover plate in the axial direction. The bearing cover plate is provided with an oil collecting groove, the oil collecting groove extends in the circumferential direction of the bearing cover plate and is provided with an opening pointing outwards in the radial direction, the opening is used for receiving lubricating oil which comes from a gear box and is brought out through gear oil stirring operation, and the groove wall, axially adjacent to one side of the motor end cover, of the oil collecting groove is provided with at least one oil outlet. And the oil outlet is used for guiding the collected lubricating oil out of the oil collecting groove. The motor end cover is provided with at least one through oil guide channel, and the oil guide channel is arranged corresponding to the oil outlet and used for conveying one part of lubricating oil guided out of the oil outlet to the balance plate of the rotor and conveying the other part of the lubricating oil to the driving end bearing.

The utility model relates to the field of gear oil pump manufacturing, in particular to punching equipment for gear oil pump manufacturing, which comprises a workbench, two clamping assemblies are symmetrically arranged on the workbench, a sliding plate is arranged between the two clamping assemblies, first horizontal gears are arranged at two ends of the sliding plate, a transmission assembly is arranged between the two first horizontal gears, and a second horizontal gear is arranged between the two first horizontal gears. The sliding plate, the transmission rod, the first horizontal gear, the rack, the second horizontal gear and other components are arranged, and the transmission rod component, the first bevel gear component and the second bevel gear component are matched with one another in the working process; the two first horizontal gears on the sliding plate rotate in the same direction, the two racks move relatively through mutual cooperation between the rack component and the second horizontal gear component, the two clamping assemblies can synchronously clamp different positions of a part by controlling the sliding plate to move, and the stability in the working process is improved.

The application provides a floor grinding machine gear box guide plate structure parameter optimization design method, which is used for determining the optimal values of three radial clearances between the guide plate and the gear tooth top. Firstly, a parameterized gear box model containing clearance as a variable is constructed, and a gear oil stirring loss theoretical model is established based on the boundary layer theory and the fluid resistance theory; taking the maximum lubrication efficiency as the target and the oil stirring power loss not exceeding the set threshold as the constraint condition, a central composite design method is used to select representative sample points in the design space; through computational fluid dynamics simulation, a moving particle semi-implicit method is used for splash lubrication transient analysis to obtain performance data of each point; based on the simulation data, a high-precision proxy model is constructed; finally, under the condition of meeting the oil stirring power loss constraint condition, the maximum lubrication efficiency is taken as the target for optimization solving to obtain the optimal clearance combination. The method realizes the quantitative design from parameters to performance, and effectively replaces the traditional trial and error method.

The utility model discloses a sealing structure of a steering gear oil cylinder, which belongs to the technical field of sealing of steering gear oil cylinders and comprises a shaft steel wire baffle ring, an oil cylinder oil seal iron sleeve, a sealing rubber ring, a supporting sleeve, a high-pressure framework oil seal, a rack assembly and a steering gear assembly. The device is novel in design and ingenious, the annular groove is formed in the inner wall of the steering engine in advance, then a spring steel structure is adopted to be connected with the annular groove in a clamped mode, and therefore the aluminum blocking structure at the end of the steering engine oil cylinder shell is effectively locked, meanwhile, the high-pressure oil seal is additionally arranged on the other side of the blocking structure, and the sealing effect is good. The outer wall of the blocking structure is sleeved with the two sets of sealing rubber rings to enhance the sealing effect on oil, the two sets of sealing rubber rings and the high-pressure oil seal can achieve the purposes of shock absorption and noise reduction, the oil sealing performance of the steering engine oil cylinder shell is improved, the machining difficulty of the steering engine shell is reduced, the production and installation efficiency is improved, and the service life of the steering engine oil cylinder shell is prolonged. Therefore, the purpose of prolonging the service life of the steering engine can be achieved.

The application provides an extreme pressure anti-wear agent, a preparation method thereof and heavy load vehicle gear oil, and belongs to the technical field of extreme pressure anti-wear additives. The application provides an extreme pressure anti-wear agent with a chemical structure shown in formula I or formula II. Through molecular design, the prepared extreme pressure anti-wear agent has excellent high-temperature oxidation resistance, can reduce the friction coefficient of the surface of a friction pair, and in the friction process, nitrogen elements and boron elements in the borate ester diffuse from the friction surface to the matrix to form a permeation layer, improve the wear resistance of the surface of the material, play an extreme pressure anti-wear role, make the heavy load vehicle gear oil have better load-carrying capacity and extreme pressure resistance, and thus play an energy-saving and consumption-reducing role.

The utility model relates to an oil baffle cover structure for a commercial drive axle, and belongs to the technical field of automobiles. The axle comprises an axle housing capable of containing gear oil, a driven gear and a pair of bearing seats are arranged in the axle housing, and the driven gear is located between the pair of bearing seats. An oil blocking cover is fixedly arranged in the axle housing and located on one side of the rotating direction of the driven gear, the rotating direction of the driven gear corresponds to the advancing direction of an automobile, and a certain gap is formed between the inner wall of the oil blocking cover and the edge of the peripheral side of the driven gear. When the driven gear rotates, the oil blocking cover prevents the driven gear from carrying excessive gear oil. According to the drive axle, the gear oil quantity carried by the driven gear can be effectively reduced, the oil stirring power of the driven gear is reduced, then power loss is reduced, meanwhile, the oil blocking cover can reduce splashing of redundant oil liquid, the blocked gear oil is guided to the position close to the driven gear to lubricate moving parts, and the requirement for lubrication in the drive axle is met; the oil blocking cover is simple in structure and low in manufacturing cost.

The utility model discloses a gear oil pump which comprises a driving gear. A driven shaft coaxially penetrates through the driving gear, the lower end of the driven shaft is fixedly connected with the driving gear, the upper end of the driven shaft is connected with the driving shaft through an overload protection structure, and the overload protection structure comprises a variable-diameter protruding part coaxially fixed to the driven shaft and a variable-diameter containing part coaxially arranged outside the variable-diameter protruding part in a sleeving mode; a driving shaft is coaxially fixed at the upper end of the variable-diameter accommodating part and is connected with a driving device; when the friction force between the variable-diameter containing part and the variable-diameter protruding part is large enough to drive the driven shaft to rotate, the variable-diameter containing part is fixedly connected with the variable-diameter protruding part, and when the friction force between the variable-diameter containing part and the variable-diameter protruding part is not large enough to drive the driven shaft to rotate, the variable-diameter containing part is rotationally connected with the variable-diameter protruding part; when the driving gear cannot rotate relatively or is difficult to rotate, the driving gear is rotationally connected with the driving device, so that the driving device rotates without load.

The utility model discloses a special-shaped gearbox oil injection pipe capable of accurately supplying oil, which relates to the field of automobile part structures, aims to solve the problems of complicated gearbox oil pipe process and higher cost in the prior art, and adopts the technical scheme that the special-shaped gearbox oil injection pipe comprises a main pipe, a bearing oil injection pipe and a gear oil injection pipe, the main pipe is further connected with the gear oil spraying pipe through a connecting assembly. Through cooperation of the main pipe and the oil spraying pipes, oil entering the main pipe is shunted and conveyed to a bearing and a gear of a gearbox to be accurately cooled and lubricated, the oil is directly sprayed to the contact face of the gear and the bearing, an oil film is formed, and abrasion and pitting corrosion are reduced; heat generated by high-speed rotation of the gear and the bearing is taken away through oil, and local overheating is prevented. And metal particles generated by friction can be washed away by high-pressure injection, so that the tooth surface and the bearing are kept clean.

The invention relates to the technical field of speed reducers, and provides a novel cutting speed reducer lubricating system which comprises a cutting speed reducer and further comprises an internal lubricating hole path and an external pipeline device, and the internal lubricating hole path comprises a forced lubricating hole path; the forced lubrication hole path comprises a middle machine body oil pool, a filter, an oil pump oil inlet pipe, a gear oil pump, an oil pump oil outlet pipe, a machine body oil supply hole, a machine frame oil supply hole, a machine frame oil return hole, a machine body oil return hole and a lubricating oil output point position. The problem that the gear and the bearing are not fully lubricated and cooled due to damage of the gear oil pump and unreasonable design of internal pipelines can be solved, the reliability of key parts such as the gear and the bearing of the speed reducer is effectively improved, and therefore it is guaranteed that the cutting speed reducer can efficiently operate for a long time.

The invention discloses a magnetic gear motor system for a deep-sea robot and a use method of the magnetic gear motor system, and belongs to the technical field of robots. The transmission mechanism comprises two sets of power assemblies which are symmetrically arranged, a magnetic gear transmission assembly and a speed reducer assembly, the magnetic gear transmission assembly adopts a radially-arranged magnetic adjusting ring output scheme, and an air gap between an outer rotor and a machine shell is eliminated so as to reduce the machining difficulty. The switching assembly drives the motors and the inner rotors of the two subsystems to synchronously and reversely move, non-contact gear shifting with the high / low transmission ratio is achieved, and mechanical abrasion is avoided. The independent oil way system prevents metal chips of the speed reducer from polluting a magnetic gear oil way. Differential rotation or reverse rotation of the two motors is controlled, differential operation of the output end is achieved so as to reduce the turning radius or turn around in situ, and a mechanical differential mechanism is omitted. The invention has the advantages of high torque output, wear-free gear shifting and high reliability, and is suitable for deep sea heavy load operation.

The utility model discloses a gear oil pump with a filtering structure, which relates to the technical field of gear oil pumps and comprises an oil pump body, a filtering mechanism is arranged on the right side of the oil pump body, and a moving mechanism is arranged at the bottom of the oil pump body. Through cooperative operation of the two valves and the two decontamination assemblies, the decontamination process is divided into two steps, so that the oil pump can normally operate in the cleaning process, and the problem that normal operation of the oil pump is delayed when an existing oil pump filtering device is cleaned is solved; a user only needs to set the decontamination cleaning time through the timing switch, the decontamination assembly can automatically clean the first filter screen, and the user only needs to regularly pull out the pull piece to clean the garbage in the pull piece, so that the problems that the filter screen needs to be dismounted every time when an existing oil pump filtering device is cleaned, the dismounting and mounting are inconvenient, and time and labor are wasted are solved.

The invention relates to a lubricant formulation comprising a base oil and a functionalized acrylate-olefin copolymers, as well as a method for the preparation of these lubricant formulations. The present invention is also directed to the use of the lubricant formulation comprising a base oil and a functionalized acrylate-olefin copolymer as a lubricant formulation, preferably as a gear oil lubricating composition, a transmission oil lubricating composition, a hydraulic oil lubricating composition, an engine oil lubricating composition, a marine oil lubricating composition, an industrial lubricating oil composition or a grease by using the functionalized acrylate-olefin copolymer of the invention in the lubricant formulation.

The utility model discloses a self-lubricating sealing support mechanism, which comprises a transmission sealing sleeve, a support sleeve, a sealing cover, a bearing, a first sealing ring and a second sealing ring, the support sleeve and the sealing cover are respectively sleeved outside a transmission shaft and are detachably connected together, the transmission sealing sleeve is sleeved between the transmission shaft and the support sleeve, and the bearing is arranged on the support sleeve. The transmission sealing sleeve, the supporting sleeve and the sealing cover jointly limit the bearing arranged outside the transmission shaft in a sleeving mode, the bearing is communicated to an oil cavity of the gear oil tank, the first sealing ring is sealed between the transmission shaft and the transmission sealing sleeve, the second sealing ring is sealed between the transmission sealing sleeve and the supporting sleeve, the bearing does not need to be lubricated manually at regular intervals, and the working efficiency is improved. And self-lubrication of the bearing can be realized.

The utility model discloses a wear -resisting alloy gear oil pump relates to gear pump technical field, including oil pump subassembly, and oil pump subassembly includes pump body, end cover, input rod, driving gear and driven gear, and driving gear and driven gear are rotationally installed in the pump body, the utility model discloses a spiral wear -resisting groove is arranged on the tooth top circle surface of gear, and the wear -resisting groove is filled with molybdenum disulfide grease, can form good lubricating effect on the contact surface of gear and other components, reduce friction and abrasion, reduce the metal scrap of abrasion simultaneously, avoid the damage of scrap to other components, in addition, wear -resisting bushing is arranged in the position corresponding to the gear outer circle of the inner wall of pump body, and wear -resisting bushing is made of high -hardness ceramic material, and the surface of side plate and gear end face contact is plated with a layer of hard alloy coating, further improved the wear resistance between each component of gear oil pump, prolonged the service life of whole gear oil pump.

The invention relates to the technical field of equipment control, in particular to a filtering device for filtering oil sludge in gear oil and a control method. A data acquisition module acquires and preprocesses pressure, flow and temperature data to generate a multi-dimensional data flow; the digital twin module drives a hybrid virtual model based on the data stream and outputs a system state estimation value; the parameter optimization module executes multi-objective optimization calculation to generate pressure and flow set values, and iteratively corrects the pressure and flow set values through virtual verification; the learning adaptation module constructs a knowledge base and adapts a new working condition by using a meta-learning algorithm; and the execution control module converts the optimized set value into a control instruction and feeds back an execution deviation. And each module forms a multi-level feedback closed loop and an updating path through a data quality evaluation result, optimization set value virtual verification, execution deviation and an adaptation rule, so that accurate cooperative control of filtering pressure and flow is realized, and the oil sludge removal thoroughness and the filtering efficiency are effectively improved.

The utility model relates to a heat dissipation device, a control system and a gear box assembly, and the heat dissipation device comprises a circulating oil way which is used for being connected with a gear box so as to pump gear oil in the gear box out and send the gear oil back to the gear box; and the water cooling assembly and the air cooling assembly are arranged on the circulating oil way so as to cool the gear oil pumped out of the gear box. Gear oil in the gear box is pumped out through the circulating oil way, cooled through the water cooling assembly and the air cooling assembly and then conveyed back into the gear box, the gear oil is cooled, and therefore the gear box is cooled, the water cooling assembly and the air cooling assembly are arranged at the same time, and the heat dissipation efficiency of the gear oil can be improved.