351results about "Lubricating pumps" patented technology

The present invention proposes an all-aluminum energy-saving air compressor, which specifically relates to the technical field of air compressors and includes a cylinder head, a valve plate assembly fixedly provided at the bottom end of the cylinder head, a cylinder body fixedly provided at the bottom end of the valve plate assembly, a lubrication system provided inside the cylinder body, an oil pump portion fixedly provided at the end thereof, the lubrication system connected to the oil pump portion, the lubrication system connected to the crank-connecting rod structure, the crank-connecting rod structure slidably provided in the cylinder body; the cylinder head, valve plate assembly, cylinder body, lubrication system, oil pump portion, crank-connecting rod structure are all made of aluminum alloy material, and the inner cavity of the cylinder body is coated with a ceramic film. The all-aluminum energy-saving air compressor provided by the present invention can make the air compressor lightweight while also making the deformation consistency of the cylinder body of the air compressor. It adopts an all-aluminum cylinder body with a built-in oil pump function, has a simple structure and process, reduces fuel consumption, and achieves low pollution, energy saving and environmental protection requirements.

The utility model discloses a novel lubricating pump oil outlet structure capable of adjusting the oil outlet amount, and relates to the technical field of lubricating pumps. The pump body is in threaded fit with the adjusting valve element seat, and the adjusting valve element seat is fixedly connected with the hexagon nut, so that after the hexagon nut is rotated, the valve element is driven to rotate clockwise or anticlockwise so as to adjust the size of the quantitative cavity, and the requirement for flexible adjustment of the oil outlet amount is met; according to the oil pump, the motor drives the cam to rotate and drives the pump core to do reciprocating motion, when the pump core moves rightwards, oil in the quantitative cavity is pushed, so that the valve element is pushed, finally, the oil in the quantitative cavity reaches an oil outlet channel through a through hole of an oil receiving groove of the valve element to be discharged, and when the cam is far away from the pump core, a reset spring of the pump core resets the pump core. And meanwhile, the valve element spring is adjusted to reset the valve element, at the moment, the oil inlet of the pump body sucks oil from the oil tank to fill the quantitative cavity, and the next oil outlet action of the pump element continues to be waited.

The invention discloses a hybrid vehicle oil pump control method and related equipment, and relates to the technical field of hybrid vehicles, the method comprises the following steps: obtaining a driving mode of a target vehicle; based on the driving mode, engine lubrication required power and motor lubrication required power are determined; according to the engine lubrication required power and the motor lubrication required power, target control power of a duplex electronic oil pump is determined; and based on the target control power, a rotating speed control instruction is sent to a motor driving the duplex electronic oil pump. Through the design of the integrated oil pan and the duplex electronic oil pump and in combination with an intelligent lubrication control strategy based on a driving mode, structure simplification, cost reduction and efficient and reliable multi-working-condition lubrication management are achieved, and the performance and stability of the whole vehicle can be improved.

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 invention relates to a system for supplying gaseous fuel, in particular hydrogen, for an internal combustion engine, the supply system comprising a fuel rail (12) for receiving pressurised gaseous fuel and a plurality of fuel injectors (14) connected to the fuel rail, wherein: each injector (14) is connected to the rail via a respective supply tube (16); the connection between each injector and its supply tube is established via an adapter (14) defining a gas passage (15), one end of which is connected to the supply tube (16) and the other end of which is coupled to the injector. An oil dosing device (31) is mounted on each adapter (14) and is configured to selectively inject controlled amounts of oil into the gas passage (15).

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.

Provided are an ejection device including an insertion portion that is held by an operator and inserted toward a relevant portion in a narrow space, and a method for removing foreign matter adhering to the relevant portion. The insertion portion includes an ejection unit including a fluidic substance ejection port in a distal end portion. A foreign matter removing surface configured to remove foreign matter adhering to the relevant portion by scraping the foreign matter off the relevant portion is located on the distal end portion of the ejection unit.

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 present invention discloses a low oil level alarm device and an electric grease lubrication pump, which have the advantage of high accuracy in low oil level detection. The low oil level alarm device of the present invention includes an oil pressure plate, a connecting member, a swinging member, a reset driving member, a detected member and a detection sensor. The oil pressure plate is rotatably arranged in the oil tank. The first end of the connecting member is connected to the oil pressure plate. The second end of the connecting member is offset at a certain angle to one side of the oil pressure plate. The swinging member is hinged to the second end of the connecting member. The swinging member includes a first structural part offset to one side of the connecting member and a second structural part offset to one side of the connecting member and arranged above the connecting member. The detected member is installed on the first structural part. The swinging member is in a first state when the second structural part is close to the side wall of the oil tank, and is in a second state when the second structural part is away from the side wall of the oil tank. The detection sensor is installed on the grille plate. The second structural part is provided with a first plane and a second plane arranged at a certain angle and pushed by the grease.

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.

The utility model discloses a residue-preventing electric grease gun for wind power generation, which comprises a controller, and a battery compartment is mounted at the bottom of the controller in a sliding manner; the top of the controller is connected with a storage bin through threads, an oil nozzle is installed on the left side of the top of the controller, an ejector rod is slidably connected to the interior of the storage bin, a scraping plate is embedded in the left end of the ejector rod, the outer end of the scraping plate is attached to the inner wall of the storage bin to form a sealing mechanism, and the inner end of the scraping plate is connected with an air pipe; and the air pipe is embedded in the ejector rod, and the right end of the air pipe is connected with the air bin. The residue-preventing electric grease gun for wind power generation is provided with the scraping plate, gas is injected into the scraping plate, so that the scraping plate can expand, the scraping plate can still play a role in sealing and cleaning after being used for a long time, then grease in the storage bin can be cleaned, and grease residues are avoided.

The present disclosure relates to a gyro stabilizer assembly (1). The gyro stabilizer assembly (1) includes a housing (13) defining a chamber (12) for maintaining at least a partial vacuum, a flywheel (11) mounted within the chamber (12) to enable rotation about a spin axis (20) under the partial vacuum, a flywheel shaft (19) on which the flywheel (11) is mounted within the housing (13), and a bearing lubrication system (8). The flywheel shaft (19) is supported by a first spin bearing (21) and a second spin bearing (31) disposed at opposite end regions of the flywheel shaft (19) to rotate the flywheel (11) about the spin axis (20). The first spin bearing (21) and the second spin bearing (31) are disposed within the housing (12). The first spin bearing chamber (22) houses the first spin bearing (21) and is separated from the flywheel chamber (12) by a first shaft seal, and the second spin bearing chamber (24) houses the second spin bearing (31) and is separated from the flywheel chamber (12) by a second shaft seal. The bearing lubrication system (8) includes a lubricant circuit (9) for circulating lubricant to the first spin bearing (21) and the second spin bearing (31) from a reservoir or recovery chamber located at or adjacent to the second spin bearing (31). The lubricant circuit (9), located external to the housing (13), includes an oil accumulator for storing lubricant and maintaining the lubricant pressure, preferably between 1.7 bar and 3.7 bar.

The invention relates to the technical field of lubricating centrifugal pumps, in particular to a rolling mill emulsion lubricating centrifugal pump which comprises a pump shaft, and one end of the pump shaft is provided with a coupler used for being connected with a power assembly. The multiple impeller assemblies are installed on the pump shaft at intervals, and the impeller assemblies are sleeved with volute assemblies; the first balance assembly is installed in the first balance cavity, and the first balance cavity is communicated with the liquid outlet; the second balance assembly is mounted at the end part of the pump shaft; and the third balance assembly is arranged between the liquid outlet and the liquid inlet. Axial force and radial force generated by frequently opening and closing the valve at the output end are reduced, and the service life of the centrifugal pump is prolonged.

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.

The invention relates to the technical field of energy-saving motors, in particular to an energy-saving EOP electronic oil pump which comprises a shell and a rear cover fixedly installed at the right end of the shell, a ventilation assembly is arranged on the rear cover and comprises a fixed cylinder fixedly installed on the right end face of the rear cover in a penetrating mode, and a ventilation cylinder is inserted into the right end of the fixed cylinder. A hollow cylinder located in the shell is fixedly installed at the left end of the fixed cylinder through an arranged supporting rod, and a drum membrane is fixedly installed at the left end of the hollow cylinder. Multiple optimization is achieved through intermittent pulse airflow, firstly, the airflow locks the ventilation valve, the sealing performance in the vibration environment is enhanced, the internal pressure stability is improved, secondly, when the arc-shaped blades rotate, oil mist on the inner wall of the ventilation valve is dynamically scraped, oil dirt deposition and blockage are prevented, meanwhile, the airflow is converted into spiral flow through the blades, the oil mist separation efficiency is improved, and the oil mist separation efficiency is improved. And therefore, the exhaust performance is optimized, the overall service life of the ventilation valve and the electronic oil pump is prolonged, and long-term stable operation of the energy-saving motor is ensured.

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.