89results about How to "Stable oil supply" patented technology

The invention provides a blade electric vehicle transmission with a novel lubrication structure, and belongs to the technical field of transmissions. The problem that an existing structure lubrication manner is not effective enough is solved. The blade electric vehicle transmission comprises a transmission case. A temporary oil storage box is arranged on the top side in the transmission case, lubricating oil is stored on the bottom side in the transmission case, and the temporary oil storage box is provided with a plurality of lubricating oil dripping holes. A transmission input shaft and an intermediate coupling shaft which are connected through a gear are located on the lower side of the temporary oil storage box and above the lubricating oil face. An intermediate coupling shaft gear is connected with a differential mechanism gear. The lower side of the differential mechanism gear is immersed in lubricating oil. The differential mechanism gear rotates, so that the lubricating oil on the bottom side of the transmission case is splashed into the temporary oil storage box, and the lubricating oil lubricates various parts of the transmission through the lubricating oil dripping holes and then flows back to the bottom side of the transmission case to form a cycle. The blade electric vehicle transmission has the beneficial effects of being complete in lubrication, moderate in oil amount, capable of saving energy, environment-friendly and the like.

The invention discloses an ejecting oil return refrigerating system with an oil liquid separator. The refrigerating system comprises a liquid storage device, a condenser, an oil separator, a compressor, a low-pressure circulation barrel, an evaporator and the oil liquid separator separating refrigerating oil and refrigerating fluid. The liquid storage device is connected with a liquid supply pipe of the oil liquid separator through a pipeline. A liquid outlet pipe and an air outlet pipe of the oil liquid separator are connected with the low-pressure circulation barrel through pipelines respectively. The low-pressure circulation barrel is connected with a liquid return pipe of the oil liquid separator through a pipeline. An oil outlet pipe of the oil liquid separator is connected with an oil separator pipeline through an ejector. The compressor sucks gas from the low-pressure circulation barrel and conducts compression. An exhaust pipeline of the compressor is connected with the ejector. The ejector is connected with the oil separator pipeline. Refrigerant oil in the oil outlet pipe of the oil liquid separator is ejected into the oil separator through the ejector via gas in the exhaust pipeline of the compressor, and the oil outlet of the oil separator is connected with the compressor through the oil supply pipe. The ejecting oil return refrigerating system is stable in oil return and capable of avoiding liquid shocking or oil shocking.

The invention relates to the technical field of lubricating systems, and discloses a control method for automatic judgment and switching of an oil pump fault of a lubricating system. The control method comprises the following processes that step 1, an oil supply mother tube is provided with a low pressure switch, whether the low pressure switch of the oil supply mother tube sends a pressure signaland continues for a period of time or not is judged, if yes, a standby pump is started, and the standby pump works together with a main pump; step 2, the oil supply mother tube is further provided with a high pressure switch, whether the high pressure switch sends a pressure signal and continues for a certain period of time or not is judged, if yes, the standby pump stops working, the main pump and the lubricating system operate normally, otherwise, a step 3 is performed; and step 3, a main pump outlet is provided with a low point pressure switch, whether the pressure switch at the main pumpoutlet sends a pressure signal and continues for a period of time or not is judged, if yes, the standby pump operates as a main pump of a next construction period, and the main pump stops working andis maintained. The control method for automatic judgment and switching of the oil pump fault of the lubricating system ensures the safety of the whole system, detects a fault point in time, and improves the maintenance efficiency.

The invention relates to an axial-flow Kaplan turbine runner withstand voltage operation test system comprising an oil storage tank, a group communicating the oil storage tank with a runner hub and including a first pipe, a second pipe, a third pipe and a fourth pipe. The first pipe communicates with the lower port of a runner hub runner cone via a ninth valve. The second pipe communicates with the lower port of the runner hub runner cone via a third oil pump and a fifth valve successively. The third pipeline communicates with the open chamber and the closed chamber of a runner hub piston chamber via a third valve and a fourth valve respectively. The third valve and the fourth valve communicate with the one end of the first and second branch pipelines via the third pipeline. The first and second branch pipelines communicate with a first oil pump and a second oil pump. The other ends of the first and second branch pipelines are connected to the oil storage tank through a tenth valve. A fourth pipeline communicates with the open chamber and the closed chamber of the runner hub piston chamber via the first valve and the second valve respectively The first, second and third oil pumps are electrically connected with a PLC controller. The test system is simple and reliable in pipeline connection and convenient to control.

The invention discloses an integrated rotary tower and oil path system of a bottle cap molding press, which comprises a machine base, wherein a spindle is arranged on the machine base and driven by a driving force; a lower template and an upper template are arranged on the spindle; a lower mold component is arranged on the lower template and connected with an oil hydraulic cylinder; and an upper mold component is arranged on the upper template. The integrated rotary tower and oil path system of the bottle cap molding press is characterized in that: the lower template is an entire tower-shapedrotary tower; an oil inlet shaft is arranged in the rotary tower; an oil inlet is formed in the oil inlet shaft; an oil path distributor is arranged at the lower end of the oil inlet shaft; a lower seal of the oil path distributor is connected with the spindle; a low-pressure oil hole and a high-pressure oil hole are formed in the rotary tower and are communicated with the oil path distributor through the oil path distributor; the low-pressure oil hole is connected with an upper cavity of the oil hydraulic cylinder; a dismantling valve is arranged in a lower cavity of the oil hydraulic cylinder; and the high-pressure oil hole is connected with the dismantling valve. In the scheme, the lower template is used as the rotary tower platform, so the structure is simplified, the processing is labor-saving, the assembly is avoided, and the installation is convenient; particularly, the oil paths are formed in the rotary tower, oil path overall arrangement is saved, and oil is directly delivered by the oil paths, so oil supply is sufficient and oil pressure is stable.

The invention discloses a horizontal draught type plunger piston type carburetor for a large-emission competitive scrambling motorcycle. The carburetor comprises a carburetor body assembly (1), and a floater chamber assembly (2) which is mounted on the lower surface of the carburetor body assembly (1); an oil feeding system, a starting system, an idling system, a main oil system and an acceleration system are arranged in the carburetor body assembly (1). The carburetor has the beneficial effects that the structure is compact, the scrambling motorcycle can be started and run at a constant speed in an environment under a low temperature less than -40 DEG C; an accelerator can be timely responded, the acceleration for overtaking can be timely responded, the oil returning during acceleration can be effectively avoided, and the safety and reliability can be ensured.

The invention relates to an electrical control device and method for a pressure oil pump. The electrical control device comprises a primary loop and a secondary loop. The primary loop comprises a circuit breaker QF01, a phase sequence protection device KVS, a positive sequence contactor KM02, a reverse sequence contactor KM03, a main contactor KM00, a bypass contactor KM01 and a soft starter RQ; and the secondary loop comprises a start button SB01, a stop button SB02, a loading button SB03, an unloading button SB04, a pump-starting relay K01, a pump-stopping relay K00, a loading relay K02, anunloading relay K03, a positive sequence contactor KM02, a reverse sequence contactor KM03, a loading valve 1EV, an unloading valve 2EV, a start-stop switching handle SW1, a loading-unloading switching handle SW2 and a control cabinet fault point relay K06. According to the electrical control device and method for the pressure oil pump, the control mode for the pressure oil pump of a speed regulator oil pressure device is technically optimized and studied so as to improve the operation reliability of the pressure oil pump.

The invention relates to an FSAE racing car oil tank which comprises a shell and an oil pump arranged in the shell. The shell comprises a main oil chamber and a small oil chamber. The main oil chambercommunicates with the inside of the small oil chamber. The small oil chamber is formed in the lower portion of the main oil chamber. An oil collection unit collecting oil of the main oil chamber to the small oil chamber is arranged in the position, on the upper portion of the small oil chamber, in the shell. The oil collection unit comprises multiple vertical baffles and a transverse baffle arranged on the upper portions of the vertical baffles. A cavity structure is defined by the vertical baffles and the transverse baffle. One-way oil inflow components are arranged on the vertical baffles.The oil pump is vertically arranged in the shell and penetrates through the oil collection unit. An oil suction point at the bottom of the oil pump is located in the small oil chamber. Compared with the prior art, the FSAE racing car oil tank has the beneficial effects that oil can be continuously and stably sucked, the fuel oil use rate is high, and a system is small in weight.

The invention relates to a structure for mounting an oil needle of a carburetor, which comprises a plunger and the oil needle. One end of the oil needle is provided with a groove while the other end of the oil needle is conical, a lathedog is arranged in the groove, the end of the oil needle provided with the groove is sleeved with a spring, the oil needle passes through an oil needle hole at the bottom of the plunger and is limited by the lathedog, one end of the spring is abutted against a fixed frame, and the fixed frame is limited by a lug boss positioned in the inner wall of the plunger. With adoption of the invention, the oil needle is more stably and reliably connected with the plunger so as to effectively avoid up-down movement of the oil needle in use, thereby allowing the carburetor to stably supply the oil, allowing an engine to stably operate and contributing to reduction of oil consumption of the engine.

The invention relates to the technical field of vehicle engine manufacturing, in particular to an electronic unit composite pump for light-vehicle diesels. The electronic unit composite pump for light-vehicle diesels comprises a composite pump body, an oil conveying pump, a camshaft, a plurality of electronic unit pumps, tappet body assemblies corresponding to the electronic unit pumps and a cam, and is characterized in that the electronic unit pumps are installed on the composite pump body and comprise unit pump bodies, a plunger, control valve elements and electromagnets installed on one sides of the unit pump bodies, the oil conveying pump is installed on one side of the composite pump body, the tappet body assemblies are arranged between the cam and the plunger and comprise tappets, rolling wheels and rolling wheel pins, and U-shaped cavities are formed in the ends where the tappets make contact with the rolling wheels, wherein the plunger and the control valve elements are arranged in the unit pump bodies. The electronic unit composite pump for light-vehicle diesels has the advantages of being more compact in structure and capable of acquiring higher working speed so as to be matched with the high-speed diesels.

The invention discloses a hydropower station dam intelligent standby power supply system, and the system comprises two sets of standby power supply devices which are communicated with each other, wherein the standby power supply devices are connected through an interconnection circuit breaker, each standby power supply comprises a transformer, and a power supply of a mains supply network is converted into electric energy required by a dam power utilization system through the transformers. A control switch is arranged at the output end of the transformer, voltage measuring sensors are arrangedon the two sides of the control switch respectively, the output end of the transformer is further connected with a diesel generator in parallel, and the output end of the diesel generator is providedwith the voltage measuring sensors and the control switch. Dual backup of the standby power supply is realized through the two groups of standby power supplies and the diesel generator, so that the stability of the standby power supply is greatly improved; meanwhile, the control circuit comprises the voltage measurement sensor and the circuit control switch, so the circuit structure of the whole system is greatly simplified, the reliability and stability of operation are improved, and the fault of the power grid can be ensured.

The invention provides an atomization device and an electronic cigarette using the same. The atomization device comprises a liquid guide component, a liquid storage cavity and a support frame tube, wherein the liquid storage cavity is arranged outside the support frame tube; the liquid guide component is arranged in the support frame tube; at least one end of the liquid guide component is communicated with the liquid storage cavity; a slide block is arranged in the liquid storage cavity, and can slide in the liquid storage cavity. The atomization device has the advantages that the liquid utilization rate is obviously improved; the liquid can also be stably provided under the condition of little liquid; particularly when the device is used as the atomization device of the electronic cigarette, the liquid storage cavity stores tar; the stable tar smoke quality can be provided; the smoking experience of users is further improved; the atomization device also adapts to different smoking habits of the users.

The invention belongs to the field of mechanical processing, in particular to a hydrodynamic bearing, which comprises a rotating shaft and a shaft sleeve, wherein a wedge oil cavity is arranged between the rotating shaft and the shaft sleeve. The hydrodynamic bearing is characterized in that a central oil hole is arranged on the axis of the rotating shaft, a vertical oil hole which is vertical to the axis is arranged on a position where the rotating shaft corresponds to the wedge oil cavity, the vertical oil hole is communicated with the central oil, a rotating oil pipe is arranged on a position of the central oil hole which is arranged on one end of the rotating shaft, the rotating oil pipe is arranged in a fixed oil pipe, and a sealing ring is arranged on the middle portion. Pressure oil of the invention enters the central oil hole from the fixed oil pipe through the rotating oil pipe, and then enters into the oil cavity through the vertical oil hole. When the rotating shaft rotates, because the action of centrifugal force, the pressure oil is hurled to the oil cavity from the central oil hole through the vertical oil hole, thereby being capable of guaranteeing that the oil cavity steadily supplies oil in a high speed state, the oil mass of the oil cavity of the hydrodynamic bearing is steady, and the vibration of the hydrodynamic bearing is small.

The invention discloses a horizontal type rotating compressor for an electric car air conditioner and a work method. The compressor comprises a shell, a controller arranged on the outer side of the shell, a motor, a pump body, a low-pressure air suction pipe and a high-pressure exhaust cyclone separator, the motor and the pump body are arranged in the shell, and the low-pressure air suction pipe and the high-pressure exhaust cyclone separator are distributed on the shell. The pump body adopts a non-circular air cylinder as a supporting part, the supporting part and the annular end face in themiddle segment of the shell are sealed and fixed, the interior of the compressor shell is divided into a low-pressure cavity and a high-pressure cavity, a motor is located in the low-pressure cavity,an oil pond is located in the high-pressure cavity, the radial extending part of an auxiliary bearing of the pump body is provided with an oil supply hole, the auxiliary bearing and crankshaft eccentric portions are provided with spiral oil grooves, the air suction and exhaust pressure difference is used for supplying the lubricating oil into an auxiliary bearing unloading oil groove from the oilpond, and through the spiral oil grooves, the lubricating oil is supplied to a main bearing; and the compressor oil seal amount is reduced, the oil level stability is maintained, the oil supply problem of an existing horizontal type rotating compressor can be solved, and meanwhile, air suction can be used for cooling the motor and the controller.

The invention belongs to a dynamic-pressure bearing stable in oil supply, which comprises a rotary shaft and shaft sleeves. Wedged oil cavities are formed among the rotary shaft and the shaft sleeves. The dynamic-pressure bearing is characterized in that t a center oil hole is arranged in the axial center of the rotary shaft, and perpendicular oil holes perpendicular to the axial center line of the rotary shaft are arranged on the rotary shaft, correspond to the wedged oil cavities and are communicated with the center oil hole. A rotary oil pipe is arranged at the center oil hole at one end of the rotary shaft and is mounted in a fixed oil pipe, and a sealing ring is mounted in the middle of the rotary oil pipe. Pressure oil enters the center oil hole from the fixed oil pipe through the rotary oil pipe and then flows into the oil cavities through the perpendicular oil holes. When the rotary shaft rotates, the pressure oil can be thrown to the oil cavities from the center oil hole through the perpendicular oil holes under the action of centrifugal force, accordingly, stable oil supply for the oil cavities at high speed can be guaranteed, the oil quantity of the oil cavities of the dynamic-pressure bearing is stable, and vibration of the dynamic-pressure bearing is low.