1194results 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.

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 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.

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.

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 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 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 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.

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.

The utility model provides a thin oil lubrication structure for a vibrator bearing of a vibrating screen, which comprises a bearing seat, a bearing body and a rotating shaft, and solves the problem that dust or metal particles enter an oil groove of the vibrator bearing and enter the bearing along with the use of lubricating oil in the process of introducing the lubricating oil in the original device, so that the lubricating effect is influenced. The problems that in the prior art, a connecting structure of an oil groove and a filter screen is loose, the filter screen is prone to falling off to be polluted by the external environment, connection is too tight, and the filter screen is not prone to being placed in the oil groove are solved. The magnetic suction pipe is conveniently installed in the supporting base, meanwhile, the filter pipe is fixed in the supporting base through the pressing strip, the filter pipe is installed in the supporting base, the filter pipe can filter lubricating oil, and the magnetic suction pipe is prevented from being polluted by the outside.

The utility model provides an oil leakage treatment device for a centrifugal compressor coupling breathing port, which comprises a liquid level meter device, a breathing port connecting part used for being connected with the centrifugal compressor coupling breathing port, an oil mist collecting barrel and an oil discharge device oil discharge valve, the liquid level meter device, the breathing opening connecting part and the oil discharging device oil discharging valve are all connected with the oil mist collecting barrel.

The utility model relates to the technical field of roller shafts, in particular to an automatic lubricating device for a roller shaft, which overcomes the defect of tedious lubrication in the prior art and comprises a base, a first sliding rail is fixedly mounted above the base, and a first sliding block is slidably connected above the first sliding rail. A second sliding block is slidably connected to the upper portion of the first sliding rail, the first sliding block is connected with the second sliding block, a first air cylinder is arranged above the first sliding rail, the air rod end of the first air cylinder is connected with the second sliding block, and a telescopic rod is arranged at the bottom of the first sliding block; a first controller is fixedly installed at the bottom of the first sliding block, an adapter block is arranged at the telescopic end of the telescopic rod, a connecting plate is connected to the bottom of the first controller through a bearing, and an adapter plate is connected to the bottom of the connecting plate through a bearing.

It suppresses false detections caused by foreign objects. [Solution] This is a liquid state sensor (1) that is installed in the middle of a pipe. It comprises a connection section (31, 32) having a main flow path (20) that relays the flow path of the pipe, a branch section (33a~33c, 34, 11) having a bypass flow path (21) branched off from the main flow path 20, and a detection unit (13) that detects the color of light transmitted through the liquid flowing through the bypass flow path (21). The flow path cross-section of the bypass flow path (21) is formed to be smaller than the flow path cross-section of the main flow path (20), and the detection unit (13) is installed on the side of the bypass flow path (21).

A system includes a pressure exchanger configured to exchange pressure between a first fluid and a second fluid. The system further includes one or more first valves coupled to the pressure exchanger. The one or more first valves in an open position are associated with a flushing operation.

The utility model provides a wind turbine generator oil regulation and control device, which relates to the technical field of wind turbine generators and comprises a liquid storage part, a cavity is formed on the liquid storage part, a liquid inlet part and a liquid outlet part are fixedly connected onto the liquid storage part, the liquid outlet end of the liquid inlet part is positioned above the liquid inlet end of the liquid outlet part, and the liquid inlet end of the liquid inlet part is fixedly connected with a filter part; the filtering piece comprises a shell part, a first separation cavity and a second separation cavity are formed in the shell part, a plurality of filtering holes are formed in the position, located between the first separation cavity, of the second separation cavity, and an auger is rotationally connected to the interior of the second separation cavity; compared with the prior art, after oil liquid is conveyed into the filter part, the oil liquid is conveyed into the second separation cavity, the oil liquid is filtered through the filter holes, impurities are retained in the second separation cavity, the auger rotates in the second separation cavity, the impurities move along the second separation cavity, and finally the impurities are discharged through the blow-off pipe. And therefore, people can clean impurities in the device without stopping the machine.

The present invention provides a spindle device for a machine tool that prevents lubricating oil from adhering to the area around the bearing and prevents the bearing temperature from rising due to the re-inflow of lubricating oil. [Solution] An air supply passage 34 is provided radially through the outer ring collar 31, which has a notch 33 that forms part of the oil drain passage 29. An air introduction passage 35 is provided in the fixed housing 2 to supply air to the air supply passage 34 of the outer ring collar 31. The inner ring collar 32 consists of a first ring portion 41 that faces the inner surface of the outer ring collar 31 from the radially inward side with a required gap between them, and a second ring portion 42 positioned between the first ring portion 41 and the inner ring 4b. The outer diameter of the second ring portion 42 is larger than the inner diameter of the outer ring collar 31, so that a gap G is formed between the outer ring collar 31 and the second ring portion 42, which serves as a guide passage 36 that guides the air blown out from the air supply passage 34 of the outer ring collar 31 to the oil drain passage 29.

A planetary reduction gear (10) for an aircraft turbine engine, said reduction gear comprising a rotatable sun gear, a rotatable ring gear (9) and satellite gears meshed with the sun gear and the ring gear and carried by a planet carrier intended to be fixed to a stator, the reduction gear further comprising an annular trough for recovering and channelling lubrication oil that is mounted around the ring gear, characterised in that the reduction gear further comprises an annular deflector (22) fixed to the ring gear and configured to route the oil exiting radially towards the outside of the ring gear up to the trough by virtue of centrifugal forces, the trough comprising an annular chamber (18) which is axially remote relative to a median plane (P) substantially passing through the centre of the ring gear, and an annular duct (20) located on a side of said chamber and emerging in said chamber.

The invention relates to a system (1) for the oil-air lubrication of rolling bearings (8, 9, 10, 11), comprising: a lubrication unit (2) having a unit controller (3), a data interface (4), a storage tank (5) for lubricant and lubrication ports (6); lubricant lines (7) which extend from the lubrication ports (6) to the rolling bearings (8, 9, 10, 11); a memory unit (20, 21) in which lubrication parameter data for at least one of the rolling bearings (8, 9, 10, 11) are stored; and a data connection (22) for transmitting the lubrication parameter data to the data interface (4) of the lubrication unit (2). The unit controller (3) is designed to lubricate the rolling bearings (8, 9, 10, 11) on the basis of the lubrication parameter data.

This invention discloses a silicon nitride grinding device, relating to the technical field of silicon nitride grinding devices. The device includes a support frame and a collection box. A conical cylinder is fixedly mounted on the upper surface of the support frame, and the collection box is disposed on the lower surface of the support frame. A feed trough is fixedly mounted on the upper surface of the conical cylinder, and a water storage tank is fixedly mounted on the circumferential surface of the conical cylinder. A water spray head is provided on the inner wall of the conical cylinder. A rotating shaft is rotatably mounted on the upper surface of the inner wall of the conical cylinder, and a grinding head is fixedly mounted on the lower surface of the rotating shaft. A grinding disc is fixedly mounted on the inner wall of the conical cylinder. A material unblocking device is also provided inside the conical cylinder. When the feed trough is blocked, it affects the grinding efficiency, potentially causing a decrease in output or production stoppage. Blockage causes material to accumulate in the feed trough, increasing the pressure and stress on the material. If this blockage persists for a long time, it may damage the feed trough.

The utility model relates to the technical field of fiber processing, in particular to automatic lubricating equipment which comprises a box body, an oil outlet pipeline system, an oil return pipeline system and a cooling and filtering system, and the interior of the box body is divided into an oil storage cavity and an oil purification cavity by a partition plate; the oil outlet pipeline comprises at least one oil outlet pipeline, and the oil outlet pipeline is communicated with the oil purifying cavity and an inlet of the bearing seat; the oil return pipeline comprises at least one oil return pipeline which is communicated with an outlet of the bearing seat and the oil storage cavity; the cooling and filtering system is used for cooling and filtering oil in the oil storage cavity and then conveying the oil to the oil purification cavity; in the horizontal direction, the inlet and the outlet are oppositely formed in the two sides of the bearing seat. According to the design, the inlet and the outlet which are oppositely formed in the bearing seat can guarantee that lubricating oil makes full contact with the bearing for cooling, oil in the oil storage cavity flows back to the oil purification cavity after being filtered and cooled, the cooling effect of the lubricating oil is guaranteed, and the raw material cost is saved through recycling.

The invention relates to the technical field of fracturing pumps, and discloses a lubricating grease collecting device and a fracturing pump. The lubricating grease collecting device comprises an oil collecting groove, a scraper assembly and a driving part. The oil collecting groove extends in the first direction, and a drain outlet is formed in the bottom of the oil collecting groove. The scraper assembly is arranged in the oil collecting groove and comprises a first scraper, a second scraper and a first connecting rod, the first scraper and the second scraper are arranged at intervals in the first direction and are in sliding fit with the oil collecting groove, the first scraper and the second scraper are matched with the oil collecting groove in shape, one end of the first connecting rod is connected with the first scraper, and the other end of the first connecting rod is connected with the second scraper. The other end of the first connecting rod is connected with the second scraping plate; the driving piece is connected with at least one of the first scraper and the second scraper so as to drive the scraper assembly to slide relative to the oil collecting groove in the first direction. The driving part drives the scraper assembly to reciprocate in the oil collecting tank, so that waste oil is pushed and scraped to the sewage draining exit, manual scraping is not needed, and the cleaning efficiency of the oil collecting tank is improved.