218results about "Lubricating pumps" patented technology

The utility model relates to the technical field of valve maintenance equipment, in particular to a portable anti-explosion valve cleaning device, which is characterized in that the polarities of the opposite surfaces of two fixed magnetic field sources are the same, and a movable electromagnetic coil is arranged between the two fixed magnetic field sources; the control unit is used for periodically changing the polarity of current supplied to the movable electromagnetic coil and driving the movable electromagnetic coil to reciprocate, the plunger pump is provided with a grease inlet and a grease outlet, the grease outlet is used for being communicated with a valve to be cleaned, and the grease inlet is used for being communicated with a grease body box; according to the utility model, the electromagnetic driving mechanism is adopted to replace the existing manual driving, so that the pumping-out speed and the working efficiency of cleaning fluid or lubricating grease are improved, the maintenance operation time of a single valve is shortened, and operators are liberated from heavy repeated physical labor.

The application relates to a lubrication control system, method and vehicle of a fuel nozzle, comprising an oil tank, an oil supply module, a pneumatic module and a control unit; the oil tank is connected to the oil supply module through a first oil supply pipeline; the oil supply module comprises an oil supply pipe and a plurality of oil storage chambers, one end of the oil supply pipe is connected to the oil storage chamber, the other end of the oil supply pipe is connected to the oil tank, and the output end of the oil storage tank is connected to the fuel nozzle; the pneumatic module is connected to the input end of the plurality of oil storage chambers through an air pipeline; the oil tank and the pneumatic module are both connected to the control unit, and the control unit is used for controlling the oil tank to supply oil to the oil supply module and controlling the pneumatic module to supply pressure to the oil storage chamber. The scheme provided by the application can regularly and quantitatively lubricate the fuel nozzle, prolong the service life of the fuel nozzle and improve the efficiency of the engine.

The utility model discloses an integrated type swing cycle pump lubricating device, including pump casing, inner rotor and outer rotor, be provided with oil cavity and with oil inlet and oil outlet of oil cavity communication on the pump casing, its characterized in that, the bottom of oil cavity is provided with annular unloading groove with oil outlet communication, and the bottom surface of annular unloading groove is multistage step surface. This integrated type swing cycle pump lubricating device can effectively buffer fluid resistance and pulsation, reduce cavitation and cavitation erosion phenomenon, and stabilize oil pressure of oil outlet.

The utility model belongs to the technical field of air-conditioning oil pumps, and particularly relates to an air-conditioning compressor oil pump with a pressure release valve structure, which comprises a main pump body, an oil inlet is arranged on one side of the main pump body, a pressure release valve is fixedly connected with one side of the main pump body and one side of the oil inlet, the main pump body can be conveniently fixed through a fastening opening, and internal threads are arranged, so that the pressure release valve is convenient to use. And the pressure release valve can be conveniently connected with an external pipe fitting. Through the arrangement of the pressure release valve, the oil pressure can be effectively released, so that the use safety of the oil pump is ensured.

The cam divider comprises a cam divider body, an oil storage tank, a waste oil tank, a first oil pump and a second oil pump, the oil storage tank, the waste oil tank, the first oil pump and the second oil pump are all arranged on the back face of the cam divider body, and the first oil pump and the second oil pump are arranged between the oil storage tank and the waste oil tank. The first oil pump is located over the second oil pump. By designing the old lubricating oil discharging pipeline and the new lubricating oil pumping pipeline which are independent, automation and convenience of the lubricating oil replacement process are achieved, an operator can replace the lubricating oil only through simple operation of the controller, time and labor cost are greatly saved, and in the replacement process, the replacement efficiency is greatly improved. When new lubricating oil is pumped in, the interior of the cam divider body can be rinsed, impurities accumulated at the bottom are effectively washed away, cleanliness of the interior of the divider is guaranteed, the reliability of equipment is improved, and the service life of the equipment is prolonged.

A pump assembly (10) of an aircraft engine includes a pump housing (36), a first pump stage (12) positioned in the housing (36) and including two first stage rotating elements (20, 22) meshed at a first mesh location (24), and a second pump stage (14) positioned in the housing (36) and including two second stage rotating elements (26, 28) meshed at a second mesh location (30). The first stage rotating elements (20, 22) are retained at respective shafts (16, 18) by one or more woodruff keys (44), and at least one second stage rotating element (26, 28) of the two second stage rotating elements (26, 28) is secured at its respective shaft (16, 18) via a spline connection (70) of the at least one second stage rotating element (26, 28) to the respective shaft (16, 18).

The utility model discloses a lubricating pump of a progressive lubricating system. The lubricating pump comprises a plunger pump component, an electric control board component, a plunger driving component and an oil storage barrel. The plunger pump component comprises a pump body, a plunger and an oil outlet one-way valve, a plunger hole, an oil suction hole and an oil outlet hole are formed in the pump body, one end of the oil suction hole is connected with the inner wall of the plunger hole, the other end of the oil suction hole is connected with the oil storage barrel, and the oil inlet side and the oil outlet side of the oil outlet one-way valve are connected with the plunger hole and the oil outlet hole respectively; the electric control plate component is electrically connected with the plunger driving component, and the plunger driving component is connected with the plunger, so that the electric control plate component controls the plunger driving component to drive the plunger to axially reciprocate along the plunger hole. The utility model not only has large oil output, but also has the advantages of simple structure, reliable work, compact layout and the like.

The anti-pollution type precision speed reducer anti-blocking lubricating channel comprises an oil injection pipe, one side face of the oil injection pipe is fixedly communicated with a communicating pipe, the bottom end of the communicating pipe is fixedly communicated with a telescopic hose, a miniature circulating pump is arranged below the telescopic hose, the input end of the miniature circulating pump is fixedly communicated with an extraction pipe, and the output end of the extraction pipe is fixedly communicated with an oil pump. And the bottom end of the extraction pipe fixedly communicates with a filtering cover, and a circular cover is arranged in the filtering cover. Through the arrangement of an extraction pipe, a circulating pipe and a micro circulating pump and the cooperation with a discharge pipe, a telescopic hose, a communicating pipe and an oil injection pipe, an external circulating anti-blocking lubricating channel can be formed, lubricating oil can be conveniently circulated, filtered and circulated, three-stage filtering can be formed through a permanent magnet filter screen, a metal sintering screen and a glass fiber filter screen in a circular cover, and the lubricating oil can be effectively filtered. Metal particles, chippings and tiny impurities in the lubricating oil can be efficiently removed, and continuous and smooth circulation of the lubricating oil is guaranteed.

The application discloses an automatic piston type lubricating pump which can automatically detect faults. The automatic piston type lubricating pump comprises a pump body, a plunger rod, a worm wheel, a worm, a cam, a jacking rod and a driver, an oil storage cavity is formed in the pump body to store oil, a containing structure is arranged in the oil storage cavity to contain the plunger rod, a containing cavity is formed in the containing structure to contain the plunger rod, the plunger rod is installed in the containing cavity through a spring, the containing cavity is a temporary storage cavity at a lower part of the plunger rod, an oil inlet and an oil outlet are arranged at a lower end of the containing structure, the driver is installed in the pump body, the driver is connected with the worm to drive the worm to rotate, the worm wheel is installed in cooperation with the worm, the cam is rotatably installed on the worm wheel, the worm wheel drives the cam to synchronously rotate by at least 1 / 3 of a circle during one rotation of the worm wheel, one end of the jacking rod is hingedly connected to the pump body and the other end of the jacking rod is in abutment and pressure contact with the plunger rod and also in abutment with the cam, a sensor is installed in the oil storage cavity, and the cam is installed with a sensing element.

This invention provides a grease atomization device for a grease gun that can smoothly and uniformly spray grease from the grease gun. [Solution] Used to spray atomized grease onto the outer surface of large machine parts, the gun body 10 is provided with a grease outlet pipe 12 and an atomizing nozzle 2 located at its front end. The end of the gun body is connected to a pressure source. A flow divider switch 3 is also provided, which is located on the gun body and is used to divide the pressure source into two. Some of the air pressure flows into the gun body and pressurizes the piston chamber 13 to eject the grease, while the other portion of the air pressure flows into the atomizing nozzle via the hose 32, accelerating the airflow due to a structure in which the hole diameter gradually decreases. By pressurizing the piston chamber and atomizing the grease with airflow, grease can be smoothly and uniformly sprayed from the grease gun 1.

The present invention relates to a drivetrain and a wind turbine with the drivetrain, where the drivetrain comprises at least a gearbox, a generator and a pump system for supplying lubrication medium to at least the gearbox or generator. The pump system comprises a plurality of pump units being mechanically connected to the planetary gear stage or the generator shaft. The mechanical connection can be a gear connection. The pump unit comprises a mechanical pump with a drive axle.

This utility model discloses a novel electric gear pump device for electric shovel lubrication truck, relating to the technical field of oil filling trucks for mining equipment. It includes a power compartment, a grease compartment, and a hose reel compartment. The power compartment includes a diesel generator set, a grease lubricating oil tank, a black oil lubricating oil tank, an electric gear pump set, an ultrasonic level gauge, a hose reel, a color paperless recorder, an electrical control cabinet, and a fire extinguisher. A ground-based oil replenishment system is installed on the side of the grease compartment. Ultrasonic level gauges are installed on the three oil tanks within the grease compartment to monitor the oil level in real time. These level signals are transmitted to the color paperless recorder installed on the electrical control cabinet panel. When absorbing oil, if the oil level in the tank is lower than the minimum absorbing level, the paperless recorder will issue a low-level alarm, reminding the operator to stop refueling to prevent the oil pump from running dry and being damaged. When replenishing oil in the tank, the paperless recorder will issue a high-level alarm, prompting the operator to stop oil supply to avoid oil overflow.

A grease inhibitor is disposed about a rotating shaft of an electric machine. The grease inhibitor is configured to inhibit flow of grease towards electromagnetic components of the electric machine along the shaft. The grease inhibitor includes an inner member that rotates with the shaft and that interfaces with a static component to form the grease inhibiting interface.

A pump is described comprising: • a drive shaft (10) with a rotor (4), • a first housing part (20) and a second housing part (30), between which a pump chamber (50) is formed in which the rotor (4) is arranged, • a rotary bearing (22) by means of which the drive shaft (4) is rotatably mounted on the first housing part (20) about its axis of rotation (D), and • a passage (11) with a first opening (12) and a second opening (13), • wherein the rotary bearing (22) is arranged between the pump chamber (50) and the first opening (12) and the passage (11) with the second opening (13) opens onto the side of the second housing part (30) which is facing away from the pump chamber (50).

The invention provides rapid repairing equipment for a highway pavement. The rapid repairing equipment comprises a vehicle body, a filling mechanism and a compacting mechanism are mounted on the vehicle body; the compaction mechanism comprises a fixing frame, a lifting part and a compression roller; the lifting part is fixed to the top of the fixed frame, a movable frame is arranged at the bottom of the lifting part, locking inserting pieces are arranged on the two sides of the movable frame, round holes are formed in the middles of the two ends of the pressing roller, and the locking inserting pieces are inserted into the round holes in a matched mode; an unlocking part is arranged on the inner side of the top of the fixing frame; translation position adjusting mechanisms are installed on the two sides of the fixing frame and connected with brackets, and the brackets are located on the two sides of the bottom of the pressing roller. According to the compaction mechanism, the locking inserting piece, the unlocking part and the lifting part are arranged in the compaction mechanism, manual unlocking or locking is not needed, locking, fixing and unlocking separation of the compression roller can be completed only through lifting power of the lifting part, operation is easy and efficient, the labor intensity of operators is greatly reduced, and the equipment maintenance efficiency is improved.

This invention discloses a slewing device for a tower crane, including a slewing heat dissipation mechanism installed on top of a base unblocking mechanism. The base unblocking mechanism includes a load-bearing base, and a lower flange is fixedly connected to the bottom of the load-bearing base via a fixed seat. This invention relates to the field of crane slewing technology. This tower crane slewing device, by combining the base unblocking mechanism and the slewing heat dissipation mechanism, allows the grease and lubricating oil filled between the base unblocking mechanism and the slewing heat dissipation mechanism to be introduced into the liquid storage ring groove for cooling when the two first motors drive the gear cylinder to rotate, thereby driving the slewing heat dissipation mechanism to rotate. Then, the cooled grease is re-pressed into the outer shaft ring, inner shaft gear ring, and gear cylinder through the auger blades and return pipe, ensuring smooth and stable rotation between the base unblocking mechanism and the slewing heat dissipation mechanism.

This invention discloses a closed-loop control system for a solenoid valve of a variable displacement oil pump in an engine, relating to the field of pressure control technology. The system includes: matching a target oil pressure based on engine operating condition information; determining the equivalent viscosity of the oil through the real-time dynamic evolution characteristics of oil temperature and pressure in the hydraulic medium state, and generating oil pressure regulation control reference information; a duty cycle adjustment module, which dynamically adjusts the response sensitivity of the pressure regulation loop based on the oil pressure regulation control reference information and the equivalent viscosity of the oil to adapt to the changes in motion damping of the hydraulic medium under different temperature conditions, obtaining a target control duty cycle signal for the solenoid valve; and a chatter overlay module, which matches a corresponding chatter frequency and amplitude according to the equivalent viscosity of the oil, and loads the chatter frequency and amplitude onto the target control duty cycle signal of the solenoid valve to generate a solenoid valve drive control command; thereby improving engine lubrication consistency and fuel economy.

Pump for lubrication, including: a nose mounted on and driven by a shaft; a piston that is in contact with the nose; a spring acting on the piston; an inlet check valve located in an inlet port; and an exhaust check valve arranged in an exhaust port, wherein the inlet check valve and the exhaust check valve have no preload springs and are arranged vertically in a normally closed position due to gravity acting on internal balls of the inlet check valve and the exhaust check valve.

The utility model relates to an electric gear pump with a compact structure, which comprises a rectangular lower oil tank, the upper end of the lower oil tank is fixedly connected with a mounting cover plate, one side of the mounting cover plate is fixedly inserted with a motor mounting seat, and the motor mounting seat is fixedly connected with a vertical motor. The lower part of the motor mounting seat is inserted into the lower oil tank and is provided with a connecting bracket with a semicircular horizontal section, a notch of the connecting bracket faces forwards and is inserted with a vertical transmission shaft, a gear pump shell seat is formed at the lower end of the connecting bracket, and a gear pump is mounted in the gear pump shell seat; the lower end of the transmission shaft is connected with the gear pump, and the upper end is fixedly connected with a rotating shaft of the motor; an oil outlet channel connected with an output port of the gear pump is formed in the outer wall of the lower portion of the connecting support. An oil supply structure on the lower portion of the electric gear pump is optimized and improved, the structure is simple and compact, and meanwhile the problems that transmission shaft installation is not changed and oil leaks from the upper portion of the transmission shaft are solved.

The utility model discloses a novel portable gear oil filtering device and a variable pitch gear box of a wind generating set. Comprising a gear oil filtering device main body, an oil inlet pipe, an oil outlet pipe, a main body integration oil pump module, a filtering module, an oil product online detection module and a communication module. The oil pump module drives gear oil to circulate, the filtering module is provided with filtering units with different precisions through standardized interfaces to realize multi-stage filtering, the oil product online detection module monitors the particle state in real time by using a laser particle counter, and the communication module supports wired / wireless data transmission to an external terminal. The device can be flexibly installed on a cabin or a hub, a pipeline is connected in a sealed mode through a self-locking type quick connector, and an anti-overflow valve is arranged to guarantee safety. The device realizes efficient purification, real-time monitoring and remote operation and maintenance of gear oil, improves the reliability of equipment, and reduces the maintenance cost. The variable pitch gearbox of the wind generating set is integrated with the device, the service life is remarkably prolonged, and the high-altitude operation requirement is met.

A housing (2) for a lubricant supply device (1) for supplying a consumer with a viscous medium, in particular a lubricant, is disclosed, wherein the housing (2) is configured to form at least one storage space (8) for the viscous medium and to receive a delivery pump for pumping the viscous medium from the storage space (8) to a medium outlet, wherein the housing (2) comprises at least one storage space side wall (12a), a storage space bottom wall (30a) and a storage space cover wall (28a) defining the storage space (8) for the medium, and at least partially comprises an outer wall (14a) surrounding the storage space side wall (12a) spaced therefrom and forming a first intermediate space (26a) such that the housing (2) at least partially forms a double wall, and at least one opening (24) is further provided in the storage space side wall (12a) fluidly connecting the storage space (8) of the housing (2) to the intermediate space (26a), and a lubricant supply device (1) comprising such a housing (2) is disclosed.

The utility model relates to the technical field of garbage disposal equipment, in particular to a gate structure of a garbage compressor, which comprises a compression cavity and a gate body, the top of the compression cavity is fixedly connected with a sleeve shell, the surface of the gate body is provided with a protective plate mechanism, and the inner side and the outer side of the sleeve shell are provided with lubricating mechanisms; the first protection plate is detachably connected to one side of the gate body, the protection plate mechanism enables the first protection plate, the second protection plate and the gate body to be of a detachable connection structure, and the first protection plate and the second protection plate in the installation state protect the two sides of the gate body. According to the lubricating mechanism, the oil storage tank and the liquid pump are matched to provide lubricating oil for the surface of the roller, friction between the sleeve shell and the second protection plate and friction between the gate body and the first protection plate are reduced through the roller, and the service life of the gate body is prolonged. And the gate body is protected through the first protection plate and the second protection plate.

A grease filling apparatus for a manual grease includes a second valve means 600 in the cylinder 300 within the charging tank 100 through the cover 200, a first valve means 500 in the piston 400 that is tightly inserted into the cylinder 300 through the cover 200 and that moves up and down, and a conventional manual grease gun 1 detachably installed on the upper side of the piston 400, which is advantageous in terms of enabling fully filling the manual grease gun 1 in a short time with the grease from the charging tank 100 without air pocket formation using a pumping force of the piston 400, preventing grease from being smeared on the outside of the opening portion of the manual grease gun 1, thereby decreasing grease consumption, and improving cleanliness around the worksite.

The utility model discloses a grease lubrication gear pump with an upper oil tank, and mainly relates to the field of lubrication pumps. Comprising a pump body, a motor is arranged on one side of the pump body, the pump body is further connected with an oil storage barrel, the oil storage barrel is arranged at the top of the pump body, a barrel cover is arranged at the top of the oil storage barrel, and a gear pump set directly connected with the motor is further arranged in the pump body. The top-mounted oil storage barrel has the advantages that the top-mounted oil storage barrel is adopted, and the problems that a traditional bottom-mounted oil barrel sucks air, and oil at the bottom is accumulated for a long time and wasted or deteriorated are solved; the gear pump set is adopted, a solution is provided for a medium-pressure large-flow grease system, and application and popularization are facilitated.

A hydraulic supply system (100), particularly for a drive motor (115) of a motor vehicle, comprises a reservoir (125) for hydraulic medium (110); a supply line (135) for providing hydraulic medium (110) from the reservoir (125) to a cooling or lubrication point (105), wherein hydraulic medium (110) exiting the cooling or lubrication point (105) is collected in a sump (150); and a bilge pump (130) configured to pump hydraulic medium (110) from the sump (150) into the reservoir (125). The pumping capacity of the bilge pump (130) exceeds the volume flow rate of medium (110) flowing through the supply line (135), enabling the bilge pump (130) to pump a mixture of hydraulic medium (110) and air.The storage tank (125) is designed as a pressure vessel whose internal pressure can exceed ambient pressure; and a compressed air motor (140) for driving the bilge pump (130) is provided, wherein the compressed air motor (140) is supplied with air from the storage tank (125).

The application discloses a mechanical automatic lubricating device for excavator, which comprises a shaft seat and a pin shaft which are matched with each other, the shaft seat comprises a shaft pipe which is symmetrically provided with two fan-shaped supports at two ends, and the inner cavity of the shaft pipe is provided with two automatic lubricating devices, the automatic lubricating device comprises a sleeve, the inner wall of the sleeve is provided with helical blades and spring sheets, the rotation directions of the helical blades in the two sleeves are opposite, the outer wall of the sleeve is provided with a plurality of oil holes which are communicated with the helical blades, the helical blades can drive the lubricating grease to make one-way movement to the two ends of the shaft pipe, the middle part of the pin shaft is provided with a ratchet which is matched with the spring sheet, and the automatic lubricating device can only rotate in one direction relative to the pin shaft through cooperation; the lubricating grease in the oil storage cavity can be effectively used to lubricate the bushing and the pin shaft, the occurrence of faults caused by insufficient lubrication, such as pin shaft wear and axial sleeve jump, is reduced, and the service life and overall performance of the excavator are improved.

A lubricant pump (1) has a reservoir unit (100) and a pump unit (200). The reservoir unit (100) has a reservoir housing (101). The pump unit (200) has a pump housing (201). The pump unit (200) and the reservoir unit (100) are separably connected. When the housings (101; 201) are connected, the openings (108; 208) are fluid-connected to one another such that lubricant can flow out of the reservoir unit (100) into the pump unit (200). First and second plates (210; 212; 810; 910) are movable such that the opening (108; 208) of the pump unit can be closed and opened. Alternatively or in addition, first and second plates (110; 112; 810; 910) are movable such that the opening (108; 208) of the reservoir unit can be closed and opened.

The present invention relates to a hydraulic breaker and, more specifically, to a hydraulic breaker provided with an automatic lubricant supply structure. Particularly, the present invention relates to a hydraulic breaker which automatically supplies a lubricant without a separate hose by using a hydraulic oil and which is provided with an automatic lubricant supply structure that is built into a main body of the hydraulic breaker and can be used without a separate external component.

This invention relates to the field of motor technology and discloses a six-phase coil and motor, comprising: a coil winding mechanism, wherein the coil winding mechanism includes silicon steel sheets, insulating bushings, toothed plates, winding slots, and six-phase winding coils. The insulating bushing is fixedly connected to the inner wall of the silicon steel sheet, the toothed plates are integrally disposed on the surface of the silicon steel sheet, the winding slots are disposed between two adjacent toothed plates, and the six-phase winding coils are wound inside the winding slots. Through the coil winding mechanism, stator support mechanism, rotor hub mechanism, lubrication pump mechanism, and lubrication seepage mechanism, torque pulsation can be reduced, torque density increased, and single-phase current pressure reduced, thereby improving the stability of the hub rotation. Simultaneously, the star-delta connection mode of the six-phase winding coils can be dynamically switched, ensuring that the motor switches between light-load start-up and high-torque, high-speed operation, thus ensuring that the output of the motor in each frequency range meets the requirements of practical applications.