18results about How to "Lower oil temperature" patented technology

The utility model discloses a gearbox oil cooling heat dissipation device for a wind driven generator, which relates to the technical field of wind power generation equipment and comprises an assembly bracket, a first heat dissipation mechanism is arranged at the upper end of the assembly bracket, a second heat dissipation mechanism is arranged at the upper end of the assembly bracket, and an air cooling mechanism is arranged below the first heat dissipation mechanism. The first heat dissipation mechanism comprises a heat dissipation block, a heat dissipation pipe is wound around the upper end of the heat dissipation block, pump bodies are installed at two ports of the heat dissipation pipe, and connecting pipes are fixedly installed at the other ends of the two pump bodies. Hot oil in the gear box flows in the heat dissipation pipe after being pumped out through one set of pump bodies, heat is transmitted to the heat dissipation block, cooling liquid in the heat dissipation block can absorb the heat, meanwhile, the two sets of fans on the assembly supporting frame conduct air cooling on the heat dissipation block and the heat dissipation pipe, the double heat dissipation mode that oil cooling and air cooling are combined is achieved, and the heat dissipation efficiency is improved. The heat dissipation efficiency is greatly improved, and the oil temperature in the gearbox can be effectively reduced.

The utility model discloses an automobile steering worm, which belongs to the technical field of worms, and comprises a first worm, a second worm, a worm gear and a hollow structure, the right side of the first worm is fixedly connected with the worm gear, the inner side of the worm gear is provided with the hollow structure, and the right side of the worm gear is fixedly connected with the hollow structure. The first worm, the second worm, the worm gear and the hollowed-out structure are used in cooperation, the hollowed-out structure is communicated with a hydraulic system and can serve as an oil flowing channel, heat generated in the steering process is helped to be transmitted, the oil temperature is reduced, power assisting failure caused by overheat of hydraulic oil is avoided, meanwhile, the material consumption can be reduced through the structural design of the hollowed-out structure, and the cost is reduced. And the overall weight of the steering system is reduced, so that the control response speed and the suspension comfort of the vehicle are improved, and particularly, the effect is more obvious in high-speed running or curves.

The utility model relates to a lubricating oil circulating system for a transition transmission case of an automobile hydraulic retarder, which belongs to the technical field of truck manufacturing and comprises a transmission auxiliary case, a transition transmission case front case body, a transition transmission case rear case body and a retarder. The front box body of the transition transmission box is connected to the rear end of the transmission auxiliary box; the front box body of the transition transmission box is connected with the rear box body of the transition transmission box; the retarder is mounted at the rear end of the rear box body of the transition transmission box; a circulating through hole for communicating the transition transmission box with the transmission auxiliary box is formed in the front box body of the transition transmission box, and an oil conveying hose is connected between the front box body of the transition transmission box and the transmission; lubricating oil can circulate among the transition transmission box, the transmission box and the transmission auxiliary box, heat balance of the lubricating oil is achieved, and the working temperature of the lubricating oil of a transmission mechanism of the transition transmission box is effectively reduced. The technical problem that the working temperature of lubricating oil is high due to the fact that the internal space of a transition transmission box is small and the torque needing to be transmitted is large is solved.

This invention discloses a hydraulic system for center-position locking of an electronically controlled steering shaft. The P1 port of the hydraulic selector valve is connected to a steering pump, and the P2 port is connected to a variable displacement piston pump. The B port of the hydraulic selector valve is connected to an accumulator. The accumulator is connected to the electronically controlled axle locking hydraulic circuit, providing high-pressure oil to achieve center-position locking of the electronically controlled axle locking cylinder. Port 1 of the dual-circuit steering gear is connected to port A of the hydraulic selector valve. The second steering pump is connected to port 1 of the other circuit of the dual-circuit steering gear, and ports 2 of the dual-circuit steering gear are both used for return oil. The left and right steering cylinders of the mechanical steering shaft are connected to the high-pressure oil ports of the dual-circuit steering gear to achieve hydraulic power steering. This invention, through the hydraulic selector valve, allows the emergency steering oil source of the mechanical steering shaft and the center-position locking oil source of the electronically controlled steering shaft to share the same oil pump device, prioritizing the emergency steering function of the mechanical steering shaft, reducing energy consumption, and saving on the number of oil pumps.

A novel hydraulic pump station for mining includes an oil tank, a frame, and a control valve assembly mounted on the oil tank. The oil tank is located on top of the frame, and an oil pump assembly is mounted on the frame directly below the oil tank. The interior of the oil tank is divided into a return oil zone and an intake oil zone by a partition. The oil inlet of the oil pump assembly is connected to the intake oil zone via an oil suction filter, and the oil outlet of the oil pump assembly is connected to the inlet of the control valve assembly via a two-stage high-pressure filter. Water coolers and spray mechanisms are installed on both the front and rear sides of the oil tank. The water inlet of the water cooler is connected to a mining static pressure water supply system, and the water outlet of the water cooler is connected to the water inlet of the spray mechanism. The oil inlet of the water cooler is connected to the return oil port of the control valve assembly, and the oil outlet of the water cooler is connected to the return oil zone via a return oil filter. This invention features a compact overall structure, meets the requirements for use in confined spaces, and offers high cooling efficiency.

The invention discloses a clutch structure of a gear motor, and belongs to the technical field of gear motors, the clutch structure comprises a box body, two cover plates, a supporting seat, a driving mechanism, a driven mechanism, a driving mechanism, an oil liquid circulation mechanism, a transmission mechanism and a displacement mechanism, the cover plates are slidably arranged on the upper portion of the box body, the supporting seat is arranged on the outer surface of the box body, and the driving mechanism is arranged on the upper portion of the box body. The driving mechanism is arranged on the outer surface of the box body, and the driven mechanism is rotationally arranged on the inner surface of the supporting seat; the butt joint block I and the butt joint block II can be quickly replaced without a complicated disassembly process, so that the maintenance difficulty and time of the device can be reduced, the workload of personnel can be reduced, key components such as the butt joint block I, the spherical tooth coupling I, the spherical tooth coupling II and the butt joint block II can be fully lubricated, the abrasion of a friction surface is effectively reduced, and the service life of the device is prolonged. And the service life of equipment is prolonged.

According to the electric submersible diaphragm pump suitable for the low-liquid-yield well, a bevel gear assembly, a crank assembly and a crosshead assembly of a transmission system are sequentially connected from bottom to top, a diaphragm assembly, a crosshead and a diaphragm are fixedly installed at the upper end of the crosshead assembly, and an inner cavity of a pump cylinder is divided into a transmission cavity, a diaphragm lower cavity and a diaphragm upper cavity from bottom to top; the liquid suction valve and the liquid discharge valve are communicated with the diaphragm upper cavity; the eccentric shaft fixedly connected with the driven bevel gear, the crank, the crosshead and the diaphragm are sequentially connected from bottom to top, and in the process that the crosshead drives the diaphragm to blast up and down to change the volume of the upper cavity of the diaphragm, the liquid suction valve and the liquid discharge valve suck well liquid and discharge the well liquid out of the upper cavity of the diaphragm. The diaphragm pump has the beneficial effects that the structural design is reasonable, the diaphragm is continuously driven to do work through a transmission connection mode of the bevel gear, the crank and the crosshead, the energy consumption is low, and the efficiency is high; the circulating lubricating oil can reduce the oil temperature, the service life of the electric submersible pump is effectively prolonged, the exploitation requirement of a low-liquid-yield well is met, and the oil development operation cost is reduced.

The utility model discloses a cooling device. The cooling device comprises a turbine bearing box and a cooling assembly. The cooling assembly comprises a water cooling pipe, an oil pipe, at least one flow guide fan and at least one flow guide piece; one end of the oil pipe is connected to an oil outlet of the turbine bearing box; the other end of the oil pipe is connected to an oil inlet of the turbine bearing box; the water cooling pipe is filled with cooling liquid; the oil pipe and the flow guide fan are arranged in the water cooling pipe; the flow guide part is arranged on the outer side of the oil pipe and fixedly connected with the inner surface of the water cooling pipe. The problems that in the prior art, the temperature of lubricating oil in a bearing box is high, and equipment is prone to being damaged after long-term operation are solved; the purpose of reducing the temperature of the lubricating oil is achieved.

The application relates to the technical field of damping and buffering oil cylinders of self-dumping trucks, in particular to a damping and buffering oil cylinder of a self-dumping truck, which comprises a cylinder body assembly, a piston assembly, an elastic reset assembly, an adjusting device and a sealing assembly. A chamber is arranged in the cylinder body assembly, the piston assembly realizes hydraulic medium flow damping through a shunt channel and a throttle hole, the elastic reset assembly provides a reverse reset force, the adjusting device adjusts the hydraulic medium flow rate through a conical valve core, and the sealing assembly adopts multiple sealing rings and a dust cover to prevent impurities from entering and leaking. In addition, the outer wall of the cylinder body is provided with cooling fins, and the piston rod is coated with a wear-resistant coating to enhance the durability. The application can simplify the structure, reduce the maintenance cost, improve the buffering performance and reliability, and meet the high-strength impact working condition requirement.

The present application relates to a hydraulic electromechanical system, comprising: a hydraulic servo pump group, a check valve, a first to third directional valve, a hydraulic actuator and an accumulator. The oil inlet of the first directional valve is connected to the hydraulic servo pump group, and the oil return is connected to the oil tank; the input of the check valve is connected to the second main oil port of the first directional valve; the oil inlet of the second directional valve is connected to the output of the check valve, and the oil return is connected to the oil tank; one oil port of the hydraulic actuator is connected to the first main oil port of the first directional valve, and the other oil port is connected to the second main oil port of the second directional valve; wherein the accumulator is connected to the hydraulic actuator through the second and third directional valves. The control method of the system comprises: subtracting the position feedback from the target given position quantity, then sequentially passing through the servo pump control module and the hydraulic actuator control module, and then outputting the position control result, wherein the position feedback is from the output of the hydraulic actuator control module. The present application can realize precise position follow-up control, and is low in cost, energy-saving, durable and reliable.

The utility model relates to an oil way system for a speed reducer of a powder concentrator, which aims at solving the technical problems that the existing oil way system is poor in heat dissipation and easy to damage, and adopts the technical scheme that lubricating oil is filled in a speed reducer case, an outlet of the speed reducer case is connected with a transition oil tank through an oil conveying pipe, and the bottom of the lubricating oil in the transition oil tank is connected with an oil pump through an oil conveying pipe; the oil pump is connected with the oil filter, the oil filter is connected with the cooling oil tank, the cooling oil tank is connected with the speed reducer box, and the cooler is arranged on the other side of the cooling oil tank. The monitoring module comprises a temperature sensor and a pressure gauge, the temperature sensor is arranged at an outlet of the cooling oil tank, and the pressure gauge is arranged on the oil conveying pipe. The control system is electrically connected with the oil pump, the oil filter, the cooler, the temperature sensor, the pressure gauge and the early warning module. Impurities can be effectively prevented from entering an oil way, the blocking risk is reduced, oil liquid is cooled, the oil temperature is reduced, the lubricating effect is improved, and the service life is prolonged.

The invention discloses an electro-hydraulic servo control device, comprising a reset circuit and an AC circuit, wherein the reset circuit is connected to an input end of a circuit breaker Q1, an output end of the circuit breaker Q1 is connected to an input end of an AC contactor KM201, the AC contactor KM201 is connected to an input end of a circuit breaker Q2, and an output end of the circuit breaker Q2 is connected to an input reactor L1 and a cabinet top fan M2. The invention has a scientific and reasonable structure and is safe and convenient to use. The electro-hydraulic servo system adopts a servo motor and a quantitative pump system, which can be started and stopped at any time and supplied on demand without generating overflow, thereby bringing energy-saving effects. Through servo driver control and oil pressure PID closed-loop control, the speed is adjusted according to the flow demand of the system to save electric energy, and an asynchronous motor is replaced with a permanent magnet synchronous motor, which has low noise and fast response, saves unnecessary flow, reduces oil consumption, and reduces oil temperature.

The utility model discloses an American transformer with a protection effect, which comprises a transformer body and a first cover plate fixedly arranged on the transformer body, the first cover plate is provided with a rotatable transmission arm, the transmission arm is provided with a rotatable sun shield and is positioned above each outer side wall of the transformer body, and the sun shield is arranged on the transformer body. Damping positioning devices are arranged between the transmission arm and the first cover plate and between the transmission arm and the sun shield and used for fixing the transmission arm or the sun shield to the adjusted position, and a second cover plate is arranged above the first cover plate. The angle between the sun shield and the first cover plate and the included angle between the sun shield and the outer side wall of the transformer body are adjusted through the transmission arm, the sun-shading range and the extension angle are controlled, flexible position adjustment is achieved, the first extension part blocks rainwater from splashing in, the second extension part guides rainwater to be drained, the angle of the sun shield is adjusted, strong light is effectively shielded, the oil temperature is reduced, and aging of insulating materials is delayed; the operation stability is improved, the service life is prolonged, and the heat insulation effect is enhanced through the reflective coating.

This utility model belongs to the technical field of plate heat exchangers, specifically a plate heat exchanger for siphon oil cooling. It includes a heat exchanger body composed of multiple thin plates, with an inlet and an outlet. Multiple support blocks are fixedly connected to both ends of the heat exchanger body. One end of each support block is rotatably connected to a sliding sleeve via a rotating rod, and a knob is fixedly connected to the other end of the rotating rod. Due to its unique structure, this plate heat exchanger allows for changes to the interface positions without altering the overall dimensions, making it more suitable for actual construction conditions and facilitating on-site installation. This reduces installation workload and saves piping materials. The plate heat exchanger's thin-plate design creates turbulence, achieving a heat transfer coefficient 3-5 times that of shell-and-tube heat exchangers. It is particularly suitable for cooling high-viscosity oils, rapidly reducing oil temperature, preventing oil oxidation or equipment wear due to overheating, reducing replacement frequency, and lowering subsequent maintenance costs.

The utility model discloses a low-power-driven wet brake system which comprises a double pump, a prefill valve, a brake valve, a drive axle, an energy accumulator and a hydraulic oil tank. The duplex pump comprises an oil pump I and an oil pump II; oil inlets of the first oil pump and the second oil pump are connected with the interior of the hydraulic oil tank, an oil outlet of the second oil pump is connected with a cooling oil inlet b1 and a cooling oil inlet b2 of the drive axle, an oil outlet of the first oil pump is connected with an oil inlet of the prefill valve, and a flushing oil port N of the prefill valve is connected with an oil outlet of the second oil pump and the cooling oil inlet b1 and the cooling oil inlet b2 of the drive axle. A liquid filling oil port S1 of the liquid filling valve is connected with the energy accumulator and an oil inlet P of the brake valve, an oil outlet A of the brake valve is connected with a brake oil port a1 and a brake oil port a2 of the drive axle, and an oil outlet c1 and an oil outlet c2 of the drive axle are communicated with the interior of the hydraulic oil tank. According to the utility model, the normal function can be realized, the load of a system power source can be effectively reduced, and the driving power is reduced.

The utility model discloses a pipeline improvement device for a minor cycle temperature control system, and relates to the technical field of glass fiber production. A drainage pipe on the rear side is connected with a first backflow pipeline through a water pump, a drainage pipe on the front side is connected with a first inflow pipeline, and the other end of the first backflow pipeline and the other end of the first inflow pipeline are connected with a second backflow pipeline and a second inflow pipeline in a penetrating mode respectively. And the backflow pipeline II and the inflow pipeline II are respectively communicated and connected with a small circulation tank through a backflow guide pipe and an inflow guide pipe. The circulating pipeline is independent, convenient and fast, and convenient to use, and enables the oil temperature of the impregnating compound to be in a controllable state all the time, so that the quality of the impregnating compound is ensured, the problems of film-forming agent precipitation, demulsification and the like caused by the temperature are avoided, the wire drawing yield and the product quality are improved, and subsequent processing and composite material processing technologies are facilitated.

The application relates to the technical field of diaphragm compressors, in particular to a diaphragm compressor oil cavity structure and a diaphragm compressor. The diaphragm compressor oil cavity structure comprises the following: an oil side membrane head is provided with an oil distribution disc and an oil cylinder sleeve; a piston is arranged in the oil cylinder sleeve; a diaphragm is arranged between the oil distribution disc and the gas distribution disc; a space between the diaphragm and the piston constitutes an oil cavity; a flow inducer is arranged in the oil cavity between the oil distribution disc and the oil cylinder sleeve, and the flow inducer is suitable for guiding hydraulic oil to flow from the periphery of the flow inducer so as to block the hydraulic oil from directly impacting the central area of the diaphragm. According to the application, the flow inducer is arranged in the oil cavity, the hydraulic oil driven by the piston first passes through the flow inducer to change the flow field characteristics, the flow of the hydraulic oil after the flow induction is more uniform, and then the diaphragm is driven to deform through the oil distribution disc; the hydraulic oil after the flow induction no longer impacts the central area of the diaphragm, the deformation environment of the diaphragm is improved; the impact force of the hydraulic oil on the central area of the diaphragm is eliminated, the service life of the diaphragm is prolonged, and the efficiency of the diaphragm compressor is improved.

The utility model discloses a compressor lubricating oil recovery and consumption reduction device, which comprises a compressor main body, the bottom surface of the compressor main body is connected with a mounting plate, the front surface and the back surface of the mounting plate are connected with mounting blocks, the bottom surface of the mounting plate is provided with a groove, the inner wall of the groove is connected with a rubber pad, and the rubber pad is connected with the compressor main body. The left side face of the compressor body is connected with an oil conveying piece. According to the device, through cooperative operation of the induced draft fan and the condensation backflow pipe fitting, oil gas generated by the compressor body is efficiently sucked into the liquefaction pipe and directly flows back to the low-level oil tank after being cooled and liquefied through demineralized water in the threaded condensation pipe, and stable supplementation is achieved through the combination of the supplementation oil tank, and meanwhile lubricating oil in the low-level oil tank is conveyed to the high-level oil tank through the oil conveying pump; the low-temperature lubricating oil flows back to the low-position oil tank to form a circulating system in a high-position-to-low-position self-flowing lubricating mode, meanwhile, the condensed and refluxed low-temperature lubricating oil is mixed with the lubricating oil in the tank, the overall oil temperature is reduced, the lubricating performance of the lubricating oil is improved, and components such as compressor gears can be effectively cooled.