122results about How to "Smooth start" patented technology

The invention relates to a starting time sequence control method and device for an ion electric propulsion system. According to the neutralizer ignition control time sequence, the main cathode ignition control time sequence and the discharge chamber arcing control time sequence, neutralizer arcing, main cathode arcing and discharge chamber arcing controlled by the ion electric propulsion system starting time sequence are carried out; after arc starting of the discharge chamber succeeds, beam extraction of ion electric propulsion system starting time sequence control is carried out according to the beam extraction control time sequence; and after the beam current is successfully led out, power supply out-of-tolerance judgment for starting time sequence control of the ion electric propulsion system is carried out, and if the power supply out-of-tolerance judgment passes, the ion electric propulsion system is successfully started. According to the invention, on the premise of ensuring normal starting of the ion electric propulsion system, optimization of the ignition time sequence of the thruster is realized; the purposes that the neutralizer starts arcing preferentially, the ignition time of the main cathode is shortest, the gas supply balance time of the anode is shortest, the discharge chamber starts arcing stably, the length and width range of the ignition starting time of the thruster is adjustable, and the whole starting time sequence has high robustness control are achieved.

The invention discloses a motor and a control method and device thereof, a storage medium and a computer program product, and the method comprises the steps: enabling the actual q-axis current of the motor to be equal to the given q-axis current of the motor, employing a preset current-frequency starting mode, and controlling the open-loop starting of the motor in a speed loop; determining target switching time, switching point q-axis current and a target rotor angle of the motor according to the target torque, the set rotor angular speed and the actual rotor angle of the motor; and in combination with the given q-axis current of the motor, the switching point q-axis current, the target switching time, the actual rotor angle and the target rotor angle, adopting a preset sectional gentle reduction control strategy to control the given q-axis current of the motor to be reduced to the switching point q-axis current of the motor in a sectional manner, and switching from an open loop to a closed loop to realize stable starting of the motor. According to the scheme, the q-axis current is reduced in a three-section gentle slope mode, speed open-loop starting gentle slope smooth switching to closed-loop control is achieved, and the motor is started stably.

The invention provides a common-mandrel double-self-driving synchronous control permanent magnet outer rotor lifting device and a control method thereof.The device comprises a mandrel and supporting bases used for supporting the left end and the right end of the mandrel, and the mandrel is provided with a left permanent magnet outer rotor lifting structure and a right permanent magnet outer rotor lifting structure; each permanent magnet outer rotor lifting structure comprises a winding drum, a stator, a permanent magnet, an end cover and a disc brake used for braking the winding drum, the stator is arranged in the winding drum, the winding drum is rotatably connected with the mandrel, the stator comprises a stator iron core support, a stator iron core and a stator winding, the stator iron core support is arranged on the mandrel and provided with the stator iron core, and the stator winding is arranged on the stator iron core support. The stator core adopts a magnetic slot wedge, the stator winding is arranged on the stator core, and the mandrel is provided with a wiring slot for accommodating a stator winding outgoing line; the whole diameter can be reduced, the stability during working is improved, the double-load two-way transportation requirement can be met, the flexibility and adjustability are improved, and the double-load two-way transportation device has the advantages of being few in transmission links, free of a high-speed shaft, high in reliability and low in energy consumption.

The invention relates to a gas turbine engine, a starting method and system of the gas turbine engine and a medium. The starting method comprises the steps that S1, a high-pressure rotor of the gas turbine engine is driven by an air turbine starter to rotate, the rotating speed of the high-pressure rotor is subjected to closed-loop control according to the air inlet pressure of the air turbine starter to reach the set rotating speed, and whether the engine rotor has the thermal bending effect or not is judged according to a vibration signal of the high-pressure rotor of the engine; and S2, if it is judged that the hot bending effect exists in the step S1, closed-loop control is conducted on the rotating speed of the high-pressure rotor according to the air inlet pressure of the air turbine starter, and the rotating speed is maintained to the set rotating speed till whether the engine rotor has the hot bending effect or not is judged according to the vibration signal of the high-pressure rotor of the engine.

The invention relates to a combined pre-charging circuit of an energy storage high-voltage box and a control method, the combined pre-charging circuit of the energy storage high-voltage box is used for establishing electric connection between a battery cluster and an energy storage system, the positive electrode of the battery cluster is connected with the positive electrode of the energy storage system through a positive electrode path, and the negative electrode of the battery cluster is connected with the negative electrode of the energy storage system through a negative electrode path. The combined pre-charging circuit comprises a positive fuse, a negative fuse, a shunt, a pre-charging resistor, a combined pre-charging module and a battery cluster control module; the combined pre-charging module comprises a pre-charging switch group and a main switch group, the pre-charging switch group comprises a first positive pole switch piece and a first negative pole switch piece which act synchronously, and the main switch group comprises a second positive pole switch piece and a second negative pole switch piece which act synchronously; the positive fuse is connected to the positive path; and the negative fuse and the shunt are connected in series to the negative path. The combined pre-charging circuit of the energy storage high-voltage box can greatly reduce the usage amount of electrical equipment, and can reduce the fault rate of the energy storage high-voltage box.

The invention discloses an intelligent adjustment power plant combustor and an adjustment method thereof, and relates to the technical field of power plant combustors, and the combustor comprises a combustion assembly, a flue gas circulation assembly, a gas inlet adjustment assembly, a fuel gas supply assembly, a control system and a monitoring module. The controller controls the opening degree of related parts according to fuel, air volume and nitrogen oxide monitoring data, combustion optimization is achieved, and nitrogen oxide emission is reduced. The adjustment method comprises the steps of data setting, starting, ignition, operation adjustment, shutdown and fault processing. The combustor can accurately control all parameters, improve combustion efficiency, enhance safety and reliability, flexibly cope with working condition changes, effectively solve the problems that a traditional combustor is high in nitrogen oxide emission, unstable in combustion and the like, is suitable for the fields such as power plants needing efficient and clean combustion, and has remarkable environmental protection and economic benefits.

The invention relates to the field of hybrid power mine cars, and discloses a starting control method and system for a range extender of a hybrid power mine car, and the method comprises the steps: obtaining the battery state data, environment temperature and load data of the mine car in real time; based on a preset mine car state analysis strategy, according to the real-time battery state data, the environment temperature and the load data, the health state of the battery, the interval of the environment temperature and the load condition of the mine car are determined; based on a preset threshold value adjusting strategy, correspondingly adjusting an SOC starting threshold value of the mine car according to the health state of the battery, the interval of the environment temperature and the load condition; and real-time SOC data of the battery is obtained, if the real-time SOC data is not smaller than the SOC starting threshold value, starting is conducted in the mode that the generator reversely drags the engine, and if the real-time SOC data is smaller than the SOC starting threshold value, starting is conducted through the starting motor. The SOC starting threshold value is dynamically adjusted by monitoring the battery state, the environment temperature and the load information of the mine car in real time, and therefore the starting process is optimized.

The invention provides a load rejection mechanism and method for a deep sea buoyancy platform. The load rejection mechanism comprises a load, a fixed frame structure, an electric explosion bolt, an electric explosion bolt pressing rod, a safety pin, a lever structure and a lever connecting device. A lever connecting device is fixed on the load; the lever structure is connected with the fixed frame structure through a rotating shaft, a first end is limited by a lever connecting device, and a second end penetrates out of the lower part of the fixed frame structure and is pressed and limited by an electric explosion bolt pressing rod and a safety pin on the fixed frame structure; limiting of the second end of the lever structure is relieved by taking out the safety pin or detonating the electric explosion bolt, the lever structure is turned over, the first end of the lever structure is separated from the lever connecting device, and load rejection is completed. Compared with a single triggering mode of a traditional load rejection mechanism, the load rejection mechanism can be switched between autonomous triggering starting and manual triggering starting at any time, the switching mode is simple and efficient, and the load rejection mechanism adapts to different environment working conditions and equipment requirements.

The invention relates to a starting peak shifting power-on control circuit and method for equipment with multiple power demands, and the power-on control circuit comprises a control module, a first voltage conversion module, a second voltage conversion module, a delay switch management module, and a power-on load module. The power output end of the first voltage conversion module is connected with the power input end of the first main load group, and the power output end of the second voltage conversion module is connected with the power input end of the priority delay load and the power input end of the MOS delay switch unit. The power output end of the MOS time-delay switch unit is connected with the power input end of the corresponding load to be delayed, and the third enable signal output end of the control module is connected with the enable signal input end of the MOS time-delay switch unit. By optimizing the load distribution when the power supply is started, the situation that the power supply system needs to select a power supply adapter and a power supply chip with too high specifications to meet the transient starting current requirement is avoided, the utilization efficiency of the power supply is improved, and the excessive configuration cost of the power supply system is reduced.

The invention relates to a vehicle starting control method and device, electronic equipment and a vehicle. The vehicle starting control method comprises the steps that a vehicle is controlled to run in a rapid starting mode; calculating a first torque of an engine required to meet a vehicle starting condition in the rapid starting mode; when the brake release signal is received, the engine is controlled to output first torque, and meanwhile the clutch is controlled to be engaged to a first engagement process; under the condition that the brake loosening duration is smaller than the set starting duration and an accelerator opening signal is received, the vehicle is controlled to execute the rapid starting action; and under the condition that the accelerator opening signal is not received and the brake loosening duration is longer than or equal to the set starting duration, the vehicle is controlled to execute the automatic starting action. According to the vehicle starting control method, after the brake is released, the engine is controlled to output the first torque immediately, the clutch is controlled to be engaged immediately, the starting speed of the automatic transmission vehicle is effectively increased, and the automatic transmission vehicle can meet the application requirement for multi-scene rapid starting.

The invention relates to a converter starting control method, device and system, a converter and an air conditioning system. The converter starting control method comprises the steps of determining a working mode of a converter according to whether at least one of a photovoltaic system and an energy storage system is connected to the converter; in the working mode, a bus capacitor of the converter is charged through a resistor, and a bus voltage is established; determining the angle compensation amount and the voltage compensation amount of the working mode according to the value of the bus voltage and the amplitude, the phase and the frequency of the power grid voltage; and according to the angle compensation amount and the voltage compensation amount of the working mode, compensating the current starting angle and the current starting voltage of the converter, and starting the converter according to the compensated angle and the compensated voltage. According to the invention, the voltage angle and amplitude can be corrected according to different working modes of the converter, so that the starting peak can be reduced, the starting current impact can be reduced, and the stable starting of the converter can be realized.

The invention provides an electric aviation fuel oil and lubricating oil integrated pump device, which relates to the technical field of oil pumps, and comprises a shell, a motor, a fuel oil pump, a lubricating oil pump, a fuel oil pump outlet filter, a lubricating oil pump inlet filter and a lubricating oil pump outlet filter, the motor, the fuel pump and the lubricating oil pump are all installed on the shell, the output end of the motor is connected with a driving gear, and the fuel pump is connected with a fuel transmission gear; the lubricating oil pump is connected with a lubricating oil transmission gear; the fuel oil transmission gear and the lubricating oil transmission gear are respectively meshed with the driving gear; the fuel oil pump outlet filter, the lubricating oil pump inlet filter and the lubricating oil pump outlet filter are respectively arranged in the shell; a fuel oil inlet plug, a fuel oil outlet plug, a lubricating oil inlet plug and a lubricating oil outlet plug are respectively arranged in the shell; and a plurality of internal flow channels are also arranged in the shell. The device has the advantages that the overall structure is simplified, the occupied space and cost are saved, meanwhile, fault points of the system are reduced, and installation and maintenance are convenient.

The invention relates to a magnetic suspension bearing control system and method and refrigeration equipment, and the system comprises a magnetic suspension bearing control module which is used for controlling a magnetic suspension bearing; the battery management module is electrically connected with the magnetic suspension bearing control module; and the master control module is respectively connected with the magnetic suspension bearing control module and the battery management module and can control the battery management module to store electric energy when the voltage of the magnetic suspension bearing control module is excessive and supply power to the magnetic suspension bearing control module when the power supply of the magnetic suspension bearing control module is insufficient. According to the technical scheme of the magnetic suspension bearing control system, through cooperative work of the battery management module and the master control module, the stability, the energy-saving performance and the response speed of the system are enhanced, the service life of equipment is effectively prolonged, and the maintenance cost is reduced. The integrated solution provides a safer, more reliable and more economical operating environment for high-performance and high-precision mechanical equipment.

The invention relates to the technical field of vertical submerged slurry pumps, in particular to a sealing-free vertical submerged double-suction pump structure for conveying halide salt and slurry, which comprises a double-suction shell, an upper water inlet is arranged on the upper portion of the double-suction shell, a lower water inlet is arranged on the lower portion of the double-suction shell, and the slurry enters from the upper end and the lower end of the double-suction shell. And a double-suction open type impeller is mounted in the double-suction shell. According to the structure of the non-sealing vertical submerged double-suction pump for conveying halide salt and slurry, a double-suction water inlet mode is adopted, the pressure is reduced due to the fact that liquid on the upper portion of the shell is sucked into the shell, the liquid cannot enter a bearing component on the upper portion, and therefore a sealing device is omitted. The design effectively avoids the problem of sealing failure caused by the fact that the upper portion of the shell needs to be sealed to prevent liquid from entering the bearing in a traditional single suction mode, and the reliability and the service life of the pump are greatly improved. The double-suction open type impeller is designed to be of an open type structure without a front cover plate and a rear cover plate, so that liquid cannot be accumulated in the impeller after shutdown.

The invention relates to the technical field of computers, in particular to a system starting method and device, computer equipment and a storage medium. The system starting method is applied to the system starting device, the system starting device at least comprises a plurality of system partitions, system files are configured in all the system partitions, and the method comprises the steps that a state identifier of a previous system starting stage is determined in a current system starting stage; if the state identifier is starting failure, determining a failure system partition where the system file called in the previous system starting stage is located according to the feature identifier; selecting a target system partition of the current system starting stage from the system partitions; and calling a target system file in the target system partition to perform system startup, updating the state identifier of the current system startup stage to be more successful startup after the system succeeds, and updating the feature identifier of the system partition used in the current system startup stage to be the target system partition. The invention provides a system starting method with higher reliability.

The invention discloses a longitudinal driving method and device for automatic parking of a traditional fuel vehicle, the vehicle and a medium, a transmission control unit (TCU) is actively introduced into a control loop of a parking working condition, two interfaces of a longitudinal control signal and a target creeping speed are introduced to be respectively sent to an IPB and the TCU, and a staged arbitration mechanism is introduced into an engine controller (EMS), so that the automatic parking of the traditional fuel vehicle is realized. Smooth starting of the vehicle is ensured, backward sliding and accurate following of the target crawling speed are effectively prevented, and the common problems of unsmooth vehicle speed, rushing and the like in the automatic parking process of a traditional fuel vehicle are solved from the source.

The invention relates to a method for assembling a starting thermal protector with a direct capacitor plugging function. The device comprises a rotating disc mechanism, the rotating disc mechanism comprises a rotating disc and a plurality of fixing seats, and the multiple fixing seats are arranged along the rotating disc in a circumferential array mode; the device is structurally characterized in that the turntable sequentially passes through a base placing station, a second pin and connecting piece welding piece placing station, a first pin placing station, a first reed placing station, a fifth reed placing station, a second reed placing station, a third reed placing station and a fourth reed placing station in the rotating process; the device comprises a triggering thermistor placing station, a starting thermistor placing station, a starting thermistor clamping force detection station, a silicon controlled rectifier placing station and a material taking station.

The utility model discloses an oil cylinder buffering device, and relates to the field of lorry-mounted crane air cylinders. An oil cylinder buffering device comprises a cylinder body, a slidable piston is arranged in the cylinder body, a piston rod is arranged at one end of the piston, and hollow structures are arranged in the piston and the piston rod. The supporting part is arranged at one end of the cylinder body and is used for blocking and limiting the end part of the cylinder body; the small hole or the thin seam of the throttling valve is arranged in the cylinder body, the flowing speed and pressure of oil can be effectively adjusted, so that stable braking and starting of a moving part are achieved, when the stroke of a piston is close to the end point, the closed part of oil is extruded out through the small hole or the thin seam of the throttling valve, resistance is generated, the moving part is gradually decelerated, and the braking speed of the moving part is increased. Meanwhile, when the hydraulic oil cylinder is started, hydraulic oil slowly enters a rodless cavity through a small hole or a gap of the throttling valve, the flow is gradually increased, and stable starting is achieved.

The present invention discloses a composite cathode high-power plasma generator and arc-starting method, including a composite cathode, an arc-starting electrode, an inter-electrode plug-in, and an anode. The composite cathode is composed of an end face cathode and a ring target cathode. The end face cathode is located at the top and is fixed by a cathode support cooling unit, and then the ring target cathode, the arc-starting electrode, a plurality of inter-electrode plug-ins and the anode are sequentially connected in sequence; the end face cathode, the cathode ring, the arc-starting electrode, the inter-electrode plug-in, and the outer ring of the anode are all fixed by independent insulating rings to form a modular structure, which are coaxially and tightly insulated by circumferentially distributed clamping rods, and an arc channel is formed in the middle of all electrodes. An air intake ring capable of generating vortex gas is provided between each ring; the cathode support cooling unit is provided with an independent cooling channel for cooling the end face cathode. The invention adopts a modular structural design, which is convenient and reliable to install, and the power can reach hundreds of millions to several megawatts. The composite cathode effectively reduces cathode ablation, has stable discharge, and has a long service life.

The application discloses a kind of methods and systems for the adaptive control of automatic shift commercial vehicle's hill start assist function, the main design concept of the application is, by reading current speed information, gradient information, accelerator brake pedal information, transmission gear information and hill start assist function working condition information, whether to activate or exit hill start assist function is automatically identified, in addition to taking into account different load weight conditions, without artificial judgment activation or release, without manual operation (for example, open hill start assist switch), vehicle ignition can be normally started driving, and hill start assist function is adaptively activated and exited, and the disadvantages of flat road hill start assist function being activated are avoided, so it is more in line with actual use, so that flat road start is more smooth, more intelligent, accurate and comfortable.

The invention relates to a vehicle control method and device, a vehicle and a storage medium, and relates to the technical field of computers. The method comprises the following steps: increasing the driving torque of the vehicle according to a preset gradient under the condition that the vehicle performs hill crawling starting; and under the condition that the driving force corresponding to the increased driving torque is larger than the ramp resistance of the vehicle, the braking torque of the vehicle is unloaded. Therefore, the situation that in the ramp crawling starting process of the vehicle, the driving torque and the braking torque exist at the same time, and wriggling noise is generated can be avoided, and the wriggling noise existing in the vehicle is reduced.

The invention relates to the technical field of hydraulic couplers, in particular to an efficient multi-stage hydraulic coupler. The structure of the disc and the cavity groove is adopted, so that utilization of liquid kinetic energy is improved, loss in liquid flowing is reduced, efficiency is improved, the disc serves as a power transmission medium, full-load starting can be achieved, the starting time is prolonged, the initial starting torque of a prime motor is reduced, and the prime motor can start a working machine through the maximum torque; in the transmission process, impact can be relieved, torsional vibration can be isolated, overload protection is achieved, and the low overload coefficient and high efficiency are achieved.

The utility model discloses a diesel engine heater which comprises a heater shell, an oil pipe is installed between the upper side and the lower side of the heater shell in a penetrating mode, a stirring assembly is arranged on the top of the heater shell, and the stirring assembly comprises a gear. The two gears are rotationally installed at the top of the heater shell, a gear ring is rotationally installed at the top of the heater shell, the two gears are meshed with the gear ring, a fixing frame is fixedly installed at the top of the heater shell, and a rotating motor is fixedly installed at the top of the fixing frame. According to the diesel engine heater, through the stirring assembly, the heating media in the heater shell can be fully stirred, the heating media in different areas can be fully mixed, the situation of local overheating or insufficient heating is avoided, and therefore diesel oil in an oil pipe is heated more evenly, and the heating effect is improved.

The invention relates to the technical field of special equipment monitoring, and discloses a dynamic monitoring method and system for special equipment in a high-speed rail beam field. The method comprises the following steps: S1, acquiring information of an operator; s2, identifying the operator information, judging whether the operator information is legal information or not, and if yes, allowing to start the special equipment; otherwise, entering the step S3; s3, judging whether an emergency dispatching instruction matched with the operator information is detected or not, if yes, entering the step S4, and if not, entering the step S3; if not, prohibiting starting of the special equipment; and S4, obtaining the operation authority of the operator according to the emergency dispatching instruction, and starting the special equipment based on the operation authority. According to the method, the information of the operator is subjected to multiple judgments, so that the use safety of the special equipment can be improved, and the special equipment can be smoothly started and operated on the premise that an emergency occurs and the special operation operator in the high-speed rail beam yard is not present.

This invention discloses a swirl-spray pre-combustion chamber co-combustion system and method for a UAV diesel engine. The system includes a cylinder block integrating a spherical pre-combustion chamber and a main combustion chamber, a glow plug, a swirl injector, a main injector, and a control unit. The swirl injector injects igniting diesel fuel into the pre-combustion chamber, forming a rich mixture adhering to the wall. After ignition by the glow plug, the high-temperature combustion gas is injected into the main combustion chamber through a jet channel to achieve multi-point synchronous ignition. The control unit integrates altitude adaptive correction and a dual closed-loop control strategy to match injection and ignition parameters in real time. This invention can effectively shorten the combustion duration, reduce cycle fluctuations, and significantly improve the combustion stability and environmental adaptability of the engine over a wide operating range.

The present invention relates to the field of mechanical equipment, and specifically to a thin cylinder, which includes an inner cylinder, a sealing end cover, a piston rod, a piston, an outer cylinder, a separating piston, a first spring and a second spring; the inner cylinder is provided with a containing cavity, and one end of the inner cylinder is provided with a mounting port connected to the containing cavity; the outer wall of the inner cylinder is provided with a first mounting groove, a second mounting groove, a third mounting groove, a first spiral groove and a second spiral groove; the third mounting groove is located between the first mounting groove and the second mounting groove; one end of the first spiral groove is connected to the first mounting groove, and the other end is connected to the third mounting groove; one end of the second spiral groove is connected to the second mounting groove, and the other end is connected to the third mounting groove. When exhausting, the above-mentioned thin cylinder can allow gas to be discharged along the first spiral groove or the second spiral groove, so that the gas takes away part of the heat of the thin cylinder to cool the thin cylinder, thereby achieving the beneficial effect of protecting the thin cylinder and increasing the service life of the thin cylinder.

This invention provides a residual-temperature assisted multi-heat-source synergistic modulation welding device and method, relating to the fields of laser welding and friction stir welding, aiming to solve the problems of easy forming defects and performance degradation in welding aluminum-lithium alloys. The device outputs a composite heat source through a laser-arc composite heat source system to melt the welding wire and stabilize the molten pool with deep penetration on the front side of the workpiece; a motion system controls the movement of the friction stir heating system; a residual-temperature-airflow synergistic auxiliary temperature control system dynamically adjusts the temperature of the solid phase region of the molten pool; a monitoring and sensing system collects physical field modal data in real time and uploads it to the control system; a flexible tooling system is used to clamp the workpiece with variable curvature; the friction stir heating system applies dynamic shearing and mechanical upsetting forces in the residual high-temperature region on the back side, effectively improving defects such as back-side collapse and burn-through in the weld of the workpiece with variable curvature. The residual-temperature assisted multi-heat-source synergistic modulation welding method is applied to the residual-temperature assisted multi-heat-source synergistic modulation welding device.

The invention provides a power system, a control method thereof and a computer readable storage medium. The electric power system comprises a power device, an energy storage device, an energy conversion assembly, a first buffer unit and a second buffer unit. The energy storage device is provided with at least one energy storage element capable of outputting direct current, the power device is provided with a motor for outputting power and a driver connected with the motor, the first buffer unit is connected between the energy storage element and the driver, and the first buffer unit is used for buffering current flowing from the energy storage element to the driver. The energy conversion assembly comprises at least one electrical device provided with a charge storage element, the second buffer unit is connected between the energy storage element and the charge storage element, and the second buffer unit is used for buffering current flowing from the energy storage element to the charge storage element after the first buffer unit completes current buffering. According to the application, the current buffering of the power device and the energy transmission and distribution assembly can be ensured to be smoothly carried out, so that the smooth starting of the power system is ensured.

The embodiment of the utility model provides a low-temperature-resistant DCDC power supply control circuit and low-temperature-resistant power supply equipment. The low-temperature-resistant DCDC power supply control circuit comprises a surge limiting sub-circuit, a low-temperature standby path sub-circuit and a switch control sub-circuit, the surge limiting sub-circuit is arranged between the positive input end of the power supply and the DCDC power supply; the switch control sub-circuit is arranged between the negative input end of the power supply and the DCDC power supply; and the low-temperature standby pass sub-circuit is connected in parallel with the surge limiting sub-circuit. A second current path can be provided under a low-temperature condition, so that the power supply module can be smoothly started, and the limitation of adopting a heating device, a pre-charging circuit and other methods in the prior art is avoided.

The utility model discloses an engine clutch driven disc installation coaxial tool, which relates to the technical field of coaxial tools, and comprises an embedding shaft, a matching shaft, a handle and an oil dripping groove, the inner wall of the oil dripping groove is provided with an oil outlet partition plate, the inner wall of the oil outlet partition plate is provided with an oil filling hole, and the inner wall of the oil filling hole is provided with a plug. An oil outlet hole is formed in the inner wall of the oil outlet partition plate, an electromagnetic valve is mounted on the inner wall of the oil outlet hole, and a control button is mounted on the inner wall of the mounting hole. The lubricating mechanism is installed, lubricating oil flows to the position below the oil outlet partition plate through the oil filling hole, then the oil filling hole is sealed by the adding plug through adsorption of the first magnetic block and the second magnetic block, and when a worker installs the driven disc, the control button can be pressed to enable the electromagnetic valve to work, so that the oil outlet hole is in a circulation state, and the oil outlet hole is sealed. Lubricating oil flows into the inner wall of the clutch flywheel disc through the oil outlet holes, so that friction between the clutch flywheel disc and other parts is reduced, and the service life of the flywheel disc is prolonged.