1596results about "Lubrication elements" patented technology

The vertical feeding coal mining machine comprises a rack, a traction part and a cutting assembly, the traction part is connected with the rack so as to be used for dragging the rack to move, the cutting assembly comprises a roller body and cutting teeth, the roller body comprises a cylinder body, an end disc and an end cover, the end disc is arranged on the cylinder body, and the cutting teeth are arranged on the end disc. The end disc is arranged on the outer circumferential wall of the roller body in a sleeving mode, the end disc and the first end of the roller body are arranged in a flush mode, the end cover is connected with the inner circumferential wall of the roller body, a groove is defined between the end cover and the roller body, the multiple cutting teeth are arranged in the circumferential direction of the center line of the roller body at intervals, and the cutting teeth are arranged in the groove. One part of the plurality of cutting teeth is connected with the end disc, and the other part of the plurality of cutting teeth is connected with the end cover. According to the vertical feeding coal mining machine, the arrangement positions of the cutting picks are optimized, the possibility of abrasion of the cutting picks is reduced, and the cutting efficiency is improved.

The invention discloses an online monitoring method and system for motor lubrication, and relates to the technical field of equipment state monitoring, and the method comprises the steps: obtaining multi-source historical data, respectively intercepting multi-dimensional data sequences in multiple sections of normal and abnormal lubrication states, and carrying out the preprocessing to obtain a historical sample set; based on the three-phase current sequences in the historical samples, load fluctuation characteristics are extracted to generate window adjustment indexes, and an analysis window division scheme of each historical sample is dynamically determined; analyzing the multi-dimensional data based on the analysis window, reconstructing lubrication feature sequences corresponding to the analysis window, and merging the lubrication feature sequences to obtain a historical lubrication sample set; constructing a lubrication state evaluation model and performing training based on a historical lubrication sample set; and multi-dimensional data at the current moment are collected in real time to construct a current lubrication sample, and the lubrication state is monitored in real time based on the trained lubrication state evaluation model. According to the invention, precise on-line monitoring and intelligent early warning of the lubrication state of the closed gear reducer motor can be realized.

The utility model discloses a lubricating system of a gas turbine generator set and the gas turbine generator set, and relates to the field of power generation equipment. According to the lubricating system of the gas turbine generator set, the gas turbine generator set comprises a gas turbine, a generator and a vehicle body, the gas turbine and the generator are in transmission connection, the vehicle body is used for bearing the gas turbine and the generator, and the vehicle body is provided with a gooseneck; the lubricating system comprises a lubricating path and a second heat dissipation assembly, the lubricating path is used for supplying lubricating oil to the gas turbine and the generator, the second heat dissipation assembly comprises a second radiator, the second radiator is used for being arranged at the gooseneck and communicates with the lubricating path, and the lubricating path is used for supplying lubricating oil to the gas turbine and the generator. And the lubricating oil supplied by the lubricating path is radiated through the second radiator. The problem that the heat dissipation effect of lubricating oil is poor can be solved.

The invention discloses an intelligent universal joint capable of being automatically maintained and a maintenance method thereof, and belongs to the technical field of mechanical transmission. The intelligent universal joint capable of being automatically maintained comprises a cross shaft body, wherein the cross shaft body is provided with an oil duct, a grease storage cavity and a switch sensor arranged in the grease storage cavity; the grease storage cavity is formed in the cross shaft body, one end of the grease storage cavity communicates with the oil duct, the other end of the grease storage cavity penetrates through the surface of the cross shaft body to communicate with the outside, and the grease storage cavity is used for storing lubricating grease; the switch sensor comprises a switch execution mechanism and a control chip, and the switch execution mechanism can achieve connection and disconnection between the grease storage cavity and the oil duct; the control chip is used for controlling the switch executing mechanism to act according to preset conditions, and then active lubricating maintenance of the universal joint is achieved. The problems that lubricating grease cannot be supplemented in the operation process of a traditional maintenance-free universal joint, and the maintenance capacity is poor are solved in a targeted mode, and finally the purposes of prolonging the service life of the universal joint and reducing the equipment failure risk and the operation and maintenance cost are achieved.

The invention relates to the technical field of wind driven generators, in particular to a double-impeller axial magnetic flux wind driven generator which comprises a base, an oil tank is mounted at the top end of the base, an axial magnetic flux generator is mounted at the top end of the base, the double-impeller axial magnetic flux wind driven generator further comprises a main shaft, the axial magnetic flux generator comprises a protective shell, a rotor and two stators, and the protective shell is fixedly mounted at the top end of the oil tank. According to the axial magnetic flux generator, the power generation efficiency of the axial magnetic flux generator under the low-wind-speed condition can be effectively improved through cooperative work of the large impeller and the small impeller, unfolding of the blades, located in the windward direction, in the impellers and limiting of the sliding blocks, normal power generation of the axial magnetic flux generator can be achieved when wind power is small and the large impeller cannot rotate, and the service life of the axial magnetic flux generator is prolonged. Besides, by means of cyclic replacement of lubricating oil in the axial magnetic flux generator, abrasion in the axial magnetic flux generator can be effectively reduced, heat generated in the axial magnetic flux generator can be taken away, and therefore the service life of the axial magnetic flux generator is remarkably prolonged.

The invention discloses a high-bearing-capacity self-lubricating sliding bearing and an assembling method thereof. The high-bearing-capacity self-lubricating sliding bearing comprises a bearing seat, a bearing cover and a bearing bush sleeve, wherein the bearing seat and the bearing cover are connected through a bolt; the bearing bush sleeve is tightly attached to the inner wall of the bearing seat and the inner wall of the bearing cover and is composed of two bearing bushes which are vertically spliced; the lining is connected to the inner wall of the bearing bush in a sliding mode and used for being in interference fit with an external rotating shaft and enabling the external rotating shaft to stably slide on the inner wall of the bearing bush, an oil slinger is connected to the middle of the outer wall of the lining in a sleeving mode, and oil slingers are symmetrically connected to the positions, close to the end face, of the outer wall of the lining in a sleeving mode, so that matched composite self-lubrication of the oil slinger and the oil slingers is achieved. And the lubricating unit is mounted on one side of the bearing seat and provides lubricating oil for the contact surface of the bearing bush and the bushing. The composite structure of the oil slinger and the oil slinger is used, so that internal lubricating oil can uniformly flow between the bushing and the bearing bush, and the service life of the whole sliding bearing is prolonged.

A lubricating oil pipeline forming a U-shaped channel and a refrigerant containing cavity surrounding the pipeline are arranged in a box body, a refrigerant inlet is formed in the bottom of the refrigerant containing cavity, and a refrigerant outlet is formed in the top of the refrigerant containing cavity. A refrigerant inlet and an oil inlet section of the U-shaped channel are arranged on the same side, and a refrigerant outlet and an oil outlet section of the U-shaped channel are arranged on the same side, so that a heat exchange mode that refrigerants and lubricating oil flow reversely in a high-temperature area and flow downstream in a low-temperature area is formed; heat exchange fins are arranged on the outer wall of the U-shaped channel in the circumferential direction. A porous ceramic area used for adsorbing bubbles can be arranged on the inner side wall of the box body. Through countercurrent flow heat exchange of the U-shaped pipeline, the heat exchange efficiency is improved, the temperature of lubricating oil can be stably controlled to be smaller than or equal to 40 DEG C, the problem of lubrication failure caused by too high oil temperature of the disc separator is solved, and therefore the reliability of the disc separator under long-term high-load operation and the service life of a bearing are guaranteed.

The invention relates to the technical field of wind generating set yaw system lubrication, in particular to a wind generating set yaw gear partition lubrication method which comprises the steps that area division is conducted, specifically, the working face of a yaw gear is evenly divided into an upper independent lubrication area, a middle independent lubrication area and a lower independent lubrication area in the axial direction; performing exposure detection; grading judgment: judging whether an oil outlet hole of the grease injection pinion needs to be blocked or not for the exposed area based on the exposed area proportion and a preset judgment threshold value, and determining the area needing to be blocked; for the non-exposed area, the lubricating grease covering thickness is detected through thickness detection equipment, the film thickness proportion is calculated, and the area needing to be plugged and the number needing to be plugged are determined according to the film thickness difference proportion; and executing the operation. According to the invention, through dynamic plugging of the oil outlet holes, precise regulation and control of the lubrication amount in the tooth width direction are realized, so that the lubrication uniformity is improved, and waste and pollution caused by accumulation of grease on the lower side are reduced.

The utility model provides a chain saw, which comprises an oil liquid supply system, an oil liquid supply system, an oil liquid supply system, an oil liquid supply system and an oil liquid supply system, and the oil tank is used for storing oil liquid and comprises an oil liquid outlet and an oil liquid inlet; the first end of the oil outlet pipe is connected with the oil liquid outlet; the first end of the oil supply pipe is arranged towards the to-be-lubricated component; the oil pumping assembly comprises a pump body inlet and a pump body outlet, the pump body inlet is connected with the second end of the oil outlet pipe, and the pump body outlet is connected with the second end of the oil supply pipe; the oil pumping assembly can be switched between the forward rotation state and the reverse rotation state so that oil in the oil tank can be pumped out through the oil outlet pipe and supplied to a to-be-lubricated part through the oil supply pipe, or oil in the oil supply pipe can be sucked out and conveyed back into the oil tank through the oil outlet pipe. And residual lubricating oil in the oil pipe may overflow.

The invention discloses a bearing with stable lubricating performance, and relates to the technical field of bearing devices, the bearing comprises a static bearing and a dynamic bearing, the static bearing comprises a shell and a porous oil storage bushing, a sealing ring is arranged on one side of the porous oil storage bushing, an oil supplementing mechanism is arranged on one side of the sealing ring, and an auxiliary ring is arranged on one side of the oil supplementing mechanism; a movable bearing is arranged in the porous oil storage bushing and comprises a shearing shaft sleeve, a shaft wheel and supporting frames, the shaft wheel is arranged on the outer wall of the shearing shaft sleeve, the supporting frames are arranged on the two sides of the shearing shaft sleeve, the shearing shaft sleeve and the porous oil storage bushing are combined through the supporting frames, and one side of the shearing shaft sleeve is connected with an oil supplementing mechanism. An oil scraping plate and an oil outlet hole are integrated by rotating an oil supplementing arm, so that dynamic lubrication supply and pore self-cleaning are realized; by adopting the non-Newtonian fluid lubricant, the viscosity is improved under high-speed shearing, and the stability of an oil film under extreme working conditions is enhanced; the connecting block enables the oil supplementing system and the bearing to rotate synchronously, and self-adjusting lubricating circulation is formed.

An oil supply system, has: an oil tank; a closed-loop oil circuit including a component, a pump having a pump inlet and a pump outlet, and a de-aerator; a make-up flow conduit connecting the oil tank to the closed-loop oil circuit; a make-up pump connected to the closed-loop oil circuit; a recirculation conduit in parallel to the make-up pump and bypassing the make-up pump; a fixed orifice fluidly connected to the make-up flow conduit upstream of the closed-loop oil circuit and downstream of the recirculation conduit, the fixed orifice having an area selected to increase a pressure at an outlet of the make-up pump above a pressure at the de-aerator inlet; and a metering orifice connected on the recirculation conduit and having a flow circulating area selected to reduce a flow rate inputted into the closed-loop oil circuit below a flow rate generated by the make-up pump.

The utility model relates to electric cylinder oiling equipment and an electric cylinder oiling control system. The equipment comprises an oiling assembly, a first switching circuit and a controller. The oiling assembly is used for oiling the electric cylinder; the first switching circuit is connected in series to a power supply loop of the oiling assembly; the controller is connected with the first switching circuit, and the controller outputs a first level signal to the first switching circuit to trigger the first switching circuit to be closed under the condition that the working duration of the electric cylinder reaches the timing duration. By adopting the equipment, the injection amount of the lubricating oil can be accurately controlled.

A system for detecting the presence of as well as for analysing particles in a flow of lubricant, comprising a housing with a channel that guides a flow of lubricant and that fluidically connects a lubricant inlet and a lubricant outlet, further comprising a particle sensor which is configured to detect and to analyse particles present in the flow of lubricant, as well as a chip detector which is disposed downstream of the particle sensor and configured to locate and magnetically retain magnetisable particles present in the flow of lubricant. The invention also concerns a method for detecting the presence of as well as for analysing particles in a flow of lubricant. In addition, the invention concerns a gearbox comprising such a system.

The utility model discloses a wind power gear box with a built-in circulating lubrication pipeline system, which comprises a gear box and a generator arranged at the rear end of the gear box, a protection box is fixed at the right end of the gear box, a circulating lubrication pipeline is arranged in the protection box, and the circulating lubrication pipeline comprises an oil inlet assembly, a filter element, a pump machine and an oil return assembly. The pump is fixedly mounted in the protection box; the upper part of the pump is communicated with the lower part of the filter element. According to the wind power gear box with the built-in circulating lubrication pipeline system, the circulating lubrication pipeline is arranged and comprises the oil inlet assembly, the filter element, the pump machine and the oil return assembly, lubricating oil can be manually added into the gear box through the oil inlet assembly, and then redundant lubricating oil can drop downwards to the oil return assembly to flow back; and then the lubricating oil is pumped into the filter element by the pump machine to filter impurities, and the filtered lubricating oil enters the gear box along the oil inlet assembly again, so that circulating lubrication is realized, the number of times of manually adding the lubricating oil is reduced, and related workers are more convenient.

The invention discloses a rotor bearing cooperative temperature control method, which comprises the following steps of: acquiring rotor bearing end face hot spot region information, millimeter-level spatial resolution local temperature field distribution information and vibration spectrum and local temperature information, and fusing to generate rotor bearing global temperature field model information; according to the rotor bearing global temperature field model information, a double closed-loop control system is operated or a phase change microcapsule coolant is triggered; when the double-closed-loop control system is operated, the viscosity and the flow of lubricating oil are adjusted, and / or the flow of cooling water is dynamically distributed through a variable nozzle array, and operation data of the double-closed-loop control system are output; when the phase change microcapsule coolant is triggered, the rotor bearing is subjected to point-shaped cooling; and running data of the double-closed-loop control system is subjected to deep reinforcement learning dynamic optimization and fault mode knowledge graph pre-judgment and then is transmitted back to the double-closed-loop control system. The operation reliability and the service life of the rotor bearing can be remarkably improved.

The utility model provides an oil circulation system and a lubrication system, the oil circulation system comprises a circulation loop connected to an oil tank, the circulation loop is provided with a first power device and a first temperature control valve, the first temperature control valve is provided with a first oil outlet pipeline and a second oil outlet pipeline to return oil to the oil tank, and the first oil outlet pipeline is provided with a first radiator. According to the oil circulation system, the circulation loop is connected to the oil tank, and the function that the lubricating medium in the oil tank circularly flows along the circulation loop is achieved through the first power device; the flow of the first oil outlet pipeline and the flow of the second oil outlet pipeline are adjusted through the valve opening degree of the first temperature control valve, adjustment of the temperature of the lubricating medium is achieved, it is guaranteed that the temperature of the lubricating medium is within the required temperature range, and then the lubricating performance is guaranteed.

The invention relates to the technical field of operation and maintenance control of coal mine equipment, in particular to an intelligent adjustment method and system for the lubrication state of the coal mine equipment based on deep learning, and the method comprises the steps: firstly collecting pressure difference signals of an oil supply pipeline and an oil return pipeline, and extracting time domain non-stationary fluctuation and frequency domain energy distribution characteristics through a dual-channel feature fusion network; generating an oil film thickness estimation value and a pollution degree index, when the oil film thickness is lower than a dynamic maintenance threshold value, dynamically generating the duration and interval of oil injection pulses through a reinforcement learning strategy network of a double-branch competitive architecture in combination with an equipment wear coefficient and historical oil injection feedback, and triggering online self-cleaning circulation when the pollution degree exceeds the limit; pollutants are removed through the high-gradient magnetic filter element, three-section type high-flow-speed washing and magnetic pulse desorption, a pollution degree base line is updated, the lubrication adjusting accuracy is improved, and stable operation of equipment is guaranteed.

The invention solves the problem that when a filter in an oil tank cooling system is replaced, oil flowing needs to be suspended, and relates to the field of oil tank cooling, in particular to a hydroelectric generator oil tank cooling system which comprises a cooling oil tank motor installed on an oil tank tank and used for circularly feeding oil into a generator, and a plate heat exchanger is installed at the top of the oil tank tank. An oil return pipe connected with the generator is arranged above the plate heat exchanger, a filter used for filtering oil liquid in the stage that the oil liquid in the oil return pipe is conveyed into the plate heat exchanger is installed on the oil tank, the filter comprises a support plate installed on the oil tank, and a flow dividing box in butt joint with the oil return pipe is installed on the support plate. Two filtering assemblies are installed at the bottom of the flow dividing box, and a plugging assembly used for guiding backflow oil liquid to flow into one filtering assembly is installed in the flow dividing box. The two filter assemblies are alternately used, replacement and cleaning are facilitated, and meanwhile the system can work uninterruptedly.

The invention relates to the technical field of filtering, discloses a filter and a wind power gear box lubricating and cooling system applying the same, and solves the technical problems of complex structure and high manufacturing cost caused by independent configuration between a base and a bottom valve block. A filtered medium flow path temperature control distribution mechanism is arranged in the base, and the filtered medium flow path temperature control distribution mechanism distributes the filtered medium passing through the filtered medium flow collecting cavity into a first output channel and a second output channel through a temperature control valve set to be output respectively. The ratio of the flow of the filtered medium output through the first output channel to the flow of the filtered medium output through the second output channel is in positive correlation with the temperature of the filtered medium; the temperature control valve group is installed in the filtered medium flow collecting cavity and comprises a valve sleeve, a valve element and an elastic pre-tightening device. The overall structure of the filter is simplified, and the manufacturing cost is reduced.

The invention relates to the technical field of wind power generation, and particularly discloses a wind power generation gearbox lubricating system which comprises a gearbox body. A filtering mechanism is installed at the bottom end of the gearbox body, lubricating mechanisms are installed on the upper portions of the outer walls of the two sides of the gearbox body in a penetrating mode, and cooling mechanisms are installed on the outer walls of the two sides of the filtering mechanism. Through cooperative work of the filter box, the magnetic filter cartridge, the cleaning mechanism, the synchronous belt and other parts, the magnetic filter cartridge adsorbs ferromagnetic metal particles in lubricating oil through a magnetic field, damage of impurities generated by metal abrasion to gears and bearings is effectively reduced, and meanwhile, the service life of the gear and the bearings is prolonged. The electrostatic adsorption plate decomposes oxidation products and other non-ferromagnetic small particles in the lubricating oil, further purifies the lubricating oil, prolongs the service life of the oil liquid, and is matched with the self-cleaning mechanism to automatically remove impurities attached to the inner wall of the magnetic filter cartridge, so that the magnetic filter cartridge is prevented from being blocked, the replacement cost is reduced, and the reliability and economical efficiency of the whole lubricating system are improved.

A climate-control system may include first and second compressors and a suction manifold. The first compressor includes a first shell, a first compression mechanism, and a first suction inlet through which working fluid is drawn into the first compressor. The second compressor includes a second shell, a second compression mechanism, and a second suction inlet through which working fluid is drawn into the second compressor. The suction manifold includes first and second arms. The first arm provides working fluid to the first suction inlet. The second arm provides working fluid to the second suction inlet. The second arm includes a first suction pipe, a second suction pipe, and a suction valve. The suction valve is movable between a first position in which working fluid is allowed to flow through the first suction pipe and a second position in which working fluid is allowed to flow through the second suction pipe.

The application discloses a compressor lubricating oil path system, and belongs to the technical field of compressor lubrication, which comprises a lubricating oil tank, an oil conveying assembly, a cooling assembly and a filtering assembly, wherein the cooling assembly comprises a first cooler and a second cooler, and the filtering assembly comprises a first filter and a second filter; a first branch is arranged between the inlets of the first cooler and the second cooler, the second outlets of the first cooler and the second cooler are connected to a first backflow branch, and the first backflow branch is communicated to the lubricating oil tank; a second branch is arranged between the inlets of the first filter and the second filter, the second outlets of the first filter and the second filter are connected to a second backflow branch, and the second backflow branch is communicated to the lubricating oil tank. The application guarantees that the standby equipment is still full of lubricating oil in the standby state, and guarantees that the lubricating oil in the standby equipment is in a circulating flow state in the normal working process, thereby solving the problems of oil pressure fluctuation and oil temperature fluctuation existing in equipment switching.

The present invention relates to a drivetrain of a wind turbine and a wind turbine with the drivetrain, wherein the drivetrain comprises at least a gearbox, a generator and a lubrication system. The lubrication system comprises at least a pump unit, a main filter system, a heat exchanger and a distribution unit. A secondary filter system is arranged upstream relative to the distribution unit and downstream relative to the heat exchanger. The first filter system has at least one first filter with a first filtration range and the secondary filter system has at least one second filter with a second filtration range. The first filtration range differs from the second filtration range.

The invention relates to the technical field of hoisting equipment, in particular to a driven steel wire rope oil stain cleaning, maintenance and waste oil recovery device for a crane, which comprises a shell, and an oil stain cleaning module, a maintenance module and a waste oil recovery module which are arranged on the shell. In the steel wire rope winding operation process of hoisting equipment, lubricating grease extruded out of a steel wire rope under tension and oil stains, dust impurities and dirt on the surface of the steel wire rope can be scraped and cleaned, and the surface of the steel wire rope can be smeared with the lubricating grease; the waste oil recovery module is arranged to recover greasy dirt and lubricating grease scraped from the steel wire rope, accumulation of the greasy dirt and the lubricating grease on the surface of the steel wire rope is effectively avoided, equipment faults and personal injury risks caused by breakage of the steel wire rope are reduced, the service life of the steel wire rope is prolonged, and the manual maintenance cost is reduced.

A work vehicle includes a hybrid transmission (4) configured to vary power from an engine (5) and output the power to a travel device, the hybrid transmission (4) including an electric transmission portion (11) including a motor generator (21, 22), and a gear transmission portion (12) including a gear driving mechanism (18, 19, 20, 23, 24, 25). The work vehicle includes an inverter (45) configured to drive the motor generator (21, 22). The work vehicle includes a pump (15) configured to cool the inverter (45) by supplying, to the inverter (45), a refrigerant for cooling the motor generator (21, 22).

The invention discloses a control method of a transmission heating system, the heating system and a vehicle. The method comprises the steps that under the condition that it is confirmed that a vehicle is powered on, temperature information of lubricating oil in a transmission and electric quantity information of a battery of the vehicle are obtained; based on the temperature information, whether lubricating oil in the transmission meets preset working conditions or not is judged, and a judgment result is obtained; based on the judgment result and the electric quantity information, a control strategy set is generated, and the control strategy set is used for controlling the heating assembly to heat the lubricating oil. The technical problem that in the prior art, when the hybrid automatic transmission is in cold start operation in the low-temperature environment, the temperature rising speed is low is solved.

The utility model discloses a constant-temperature and constant-pressure lubrication sealing system which comprises a reaction kettle, a shaft seal is arranged on the reaction kettle, a first loop is arranged between a lubricating oil storage tank and the shaft seal, a second loop is arranged between a sealing liquid storage tank and the shaft seal, and pressure sensors and backflow adjusting valves are arranged on the first loop and the second loop respectively. The separation tower is connected with the reaction kettle, the air cooler and the separation tower are connected with the condensate storage tank, the condensate storage tank is provided with a first pipeline, a second pipeline and a third pipeline, the first pipeline is provided with a first heating coil connected with the lubricating oil storage tank, and the second pipeline is provided with a second heating coil connected with the sealing liquid storage tank. The first pipeline and the second pipeline are respectively provided with a waste water adjusting valve, and the lubricating oil storage tank and the sealing liquid storage tank are respectively provided with a temperature sensor. According to the utility model, constant-temperature and constant-pressure continuous guarantee is provided for lubrication and sealing of the shaft seal of the reaction kettle, so that condensation polymerization can be normally and stably carried out, and the reaction safety is improved.

The utility model provides a bearing lubricating and cooling device which comprises a bearing assembly, a bearing seat used for installing a bearing is arranged in the bearing assembly, and a group of bearing grooves are formed in the rear side face of the bearing seat in a vertical penetrating mode. The two lubricating and cooling assemblies are symmetrically mounted on the front side and the rear side of the bearing seat, lubricating oil is guided into the two lubricating and cooling assemblies and sprayed out to the rotating part of the bearing through the multiple lubricating holes, and a cooling medium is guided into the two lubricating and cooling assemblies through the cooling guide pipe and guided out through the cooling annular groove to cool an inner ring of the bearing. And a cooling medium is guided into the cooling transfer groove and transmits and cools the mounting position of the bearing outer ring through the cooling communication groove, so that the lubricating and cooling effects can be improved, the bearing assembly is additionally arranged, lubricating oil is collected through the collecting groove after being used, and therefore auxiliary recycling of the lubricating oil can be achieved.

A rolling bearing lubrication contaminant testing device relates to the field of bearing lubrication testing technology. To address the problems of existing testing equipment where the lubrication system contains a filter, preventing the mixing of contaminants within the system, and the inability to restore the filter after removal, as well as significant errors in experimental data due to limitations in the amount of contaminants added and the internal structure of the testing equipment, this invention employs two spaced-apart agitator bushings in the testing shaft system. This thoroughly mixes solid contaminants in the oil before lubrication of the test bearing. A primary oil return hole on the load body prevents the loss of solid contaminants, thus simulating the actual working conditions of lubrication contaminants. A secondary oil return pipe in the center of the upper surface of the base prevents damage to the lubrication system from solid contaminants. This device ensures stable operation of the lubrication system while meeting the testing conditions, thereby guaranteeing the accuracy of the test. This invention is applicable to bearing lubrication testing.