1669 results about "Pressure regulator" patented technology

The invention relates to a control system for stabilizing an equipment foundation embedded part mounting device. Comprising the following steps that a dynamic sensing network is arranged on an embedded part mounting device, comprises a tilt angle sensor, a pressure sensor and a displacement sensor and is used for monitoring the dynamic balance state of the embedded part in real time and obtaining monitoring data; the monitoring data are integrated through the central processing unit to form real-time three-dimensional attitude and gravity center position feedback of the equipment foundation; constructing a posture adjustment algorithm based on real-time monitoring data, simulating mechanical changes in the installation process of the embedded part by utilizing a finite element dynamic analysis model, and calculating an adjustment angle and a position deviation; the inclination angle and height of the mounting platform are finely adjusted through an electric servo device, and self-adaptive posture regulation and control of the embedded part are controlled; a partition pressure control technology is adopted, the bottom of the mounting device is divided into a plurality of mechanical unit areas, and the supporting force of each area is adjusted in real time through a distributed pressure regulator; and dynamic balance monitoring data is combined.

A molten salt reactor system includes a fluid level control system configured to circulate a molten salt through a molten salt loop including an experimental tank, a sump tank, and a drain tank. The fluid level control system further includes a plurality of level sensors, pressure transducers, and electronic pressure regulators fluidically coupled with the fuel salt system. The fluid level control system is configured to receive cover gas pressures in the headspaces of the tanks and calculate target fluid height setpoints for each of the tanks. The fluid level control system further invokes the electronic pressure regulator to iteratively adjust the cover gas pressures of the tanks to achieve and maintain a target fluid level in the experimental tank.

Thermal energy from a two-phase immersion-cooling system containing a computer system is operably coupled with a vapor-phase compressor, heat exchanger, pressure regulator, and controller, to provide thermal energy at an elevated temperature to drive a commercial process. The immersion-cooling system can advantageously be used to cool computer systems, Bitcoin miners, crypto miners or other thermal energy producing devices. The system operates by extracting vapor of the working fluid from the headspace of the immersion-cooling system, increasing the pressure and temperature of the extracted vapor by substantially isentropic compression, and then passing the high-pressure and high-temperature vapor to a heat exchanger, thereby providing thermal energy to the commercial process through heat transfer. Vapor from the heat exchanger is then cooled to a liquid phase, reduced in pressure, and returned to the tank of the immersion-cooling system.

The invention discloses a rock core porosity testing device and method, and relates to the technical field of rock porosity testing devices.The rock core porosity testing device comprises a high-temperature and high-pressure regulator, magnetic fluid particles are injected into a to-be-tested rock core sample under the cooperation of a rock core detection auxiliary assembly and a porosity dynamic detection assembly, and the porosity of the to-be-tested rock core sample is measured through the high-temperature and high-pressure regulator; a matrix type permanent magnet set is used for providing a basic magnetic field, fine adjustment is carried out through an electromagnetic coil control structure, controllable and flexible distribution of the magnetic fluid particles is promoted, then the neutron detector evaluates the porosity by detecting neutron signals in the rock core, the performance and reliability of the rock core porosity testing device in the actual use process are improved, and the test efficiency is improved. According to the invention, the accuracy of the test result is ensured, the core porosity test efficiency is improved, the X-ray scanning end forming multi-direction adjustment moves along the track of the guide rail, the core sample to be tested can be subjected to X-ray scanning from different angles, and the accuracy of the core porosity test is effectively improved.

Disclosed are a pressure regulator and a sparkling water machine. The pressure regulator includes: an arc flow path and a transiting chamber; a cross section of the arc flow path is configured to gradually increase from an input end of the arc flow path to an output end of the arc flow path, and the input end of the arc flow path is communicated with an inlet of the pressure regulator; and the transiting chamber is respectively communicated with the output end of the arc flow path and a discharging port of the pressure regulator.

The invention discloses a pressure regulator stop valve state monitoring control system and method, particularly relates to the field of gas pressure regulating equipment monitoring, and is used for solving the problems of downstream swing misjudgment and far-end instruction interference after upstream locking or resetting caused by lack of cross-device event alignment and semantic mutual identification in existing monitoring. The method comprises the following steps of: synchronously acquiring a valve front on-off state identifier, a valve back pressure sequence and a diaphragm displacement sequence through a unified clock, generating time anchor points of a locking event, a release return event and a bypass opening and closing event, mapping the sequences to generate a table matching relation and a causal sequence, constructing state semantics, outputting an arbitration request, executing delay reset write-in window marks, and outputting an arbitration result. And then comparison and correction are carried out at the initial stage of commissioning, so that misjudgment is avoided, and the accuracy is improved.

The invention relates to the technical field of fertilization equipment, in particular to an intelligent control device for precise application of water and fertilizer in sandy soil, which comprises a plurality of intelligent fertilization units, a fertilizer mixing box, a water tank, a material box, a water pump I, a water pump II, a material pump, a liquid supercharger, a controller and an operation panel, the water and nutrient probes are arranged, reasonable fertilization and irrigation can be achieved according to soil water and nutrient conditions of different depths, the peak value of water and fertilizer in a soil body is matched with growth of crop roots in different growth periods, the water and fertilizer utilization rate is increased to the maximum extent, and water and fertilizer loss is reduced; by arranging the channel in the drill bit, water and fertilizer can be applied to different depths, the water and nutrient contents of soil at different depths can be adjusted in combination with monitoring data of the water and nutrient probe, targeted fertilization according to water and nutrient deficiency conditions at different depths is realized, and the utilization efficiency of nutrients and water is improved to the greatest extent.

The invention relates to a wide-temperature-range ion exchange membrane conductivity testing device and a control method. The wide-temperature-range ion exchange membrane conductivity testing device comprises a box body, a testing clamp assembly, a heating part, a humidifying part, a pressure regulating part and a control assembly, in the test clamp assembly, an ion exchange membrane and a probe electrode are fixed between a lower clamping plate and an upper clamping plate, second through holes are formed in the two sides of the lower clamping plate respectively, and a temperature sensor and a humidity sensor penetrate through the second through holes respectively, abut against the ion exchange membrane and are used for detecting the temperature and the humidity. And the control assembly controls the heating piece, the humidifying piece and the pressure regulating piece to respectively regulate the temperature, humidity and pressure in the box body so as to measure the conductivity of the ion exchange membrane under the working conditions of normal temperature, normal pressure, low-pressure boiling and high temperature without interference. The temperature sensor and the humidity sensor are closer to the ion exchange membrane through the second through holes, so that the accuracy of data measurement is effectively improved; the ion exchange membrane is located in different working conditions through pressure regulation of the pressure regulating piece, and conductivity measurement under the complex working conditions of wide temperature range and temperature and humidity fluctuation is achieved.

The invention discloses a planter with a righting structure in the technical field of planting righting, and the planter comprises a walking mechanism, a righting assembly installed at the tail end of the walking mechanism, a guide pipe, a ditching structure and a soil covering structure, and the righting assembly comprises a rack installed at the tail end of the walking mechanism; the chain transmission structures are mounted on the two sides of the rack in pairs; the driving part is mounted on the rack; a plurality of groups of centralizing frames are provided, each group comprises two pairs of centralizing frames, and the two pairs of centralizing frames are rotationally mounted on the chain transmission structures on the two sides respectively; the distance adjusting structure is used for driving the pair of righting frames on the same chain transmission structure to get close to each other; and the pressure regulator is arranged between the righting frame and the chain transmission structure and is used for regulating the clamping force of the righting frame to the seedlings according to the deflection angle of the righting frame. Through cooperation of the righting frame and the distance adjusting structure, the seedlings are righting, it is ensured that the seedlings are kept in a vertical state in the planting process, the situation that the seedlings incline due to influence of external factors is avoided, and therefore the survival rate of the seedlings is increased.

A mattress assembly includes: an air pocket unit configured to contain air; a pressure regulator for controlling the air pocket unit; and a body unit accommodating the air pocket unit and the pressure regulator. The body unit includes: a frame part having a top side open to provide an accommodation space for accommodating the air pocket unit and the pressure regulator; and a cover part disposed on the frame part to cover the accommodation space. The cover part includes; a first area formed to be relatively movable with respect to the frame part and covering or exposing the pressure regulator; and a second area disposed adjacent to the first area and fixed to the frame part. The first area faces an upper edge of the frame part when covering the pressure regulator.

The invention relates to the technical field of transplanting devices, and discloses an automatic seedling transplanting vehicle capable of adjusting transplanting spacing, the seedling transplanting vehicle comprises a vehicle body frame, two sides of the vehicle body frame are provided with lifting guide rail assemblies, and a lifting adjusting platform is arranged between guide rails; a transplanting assembly is installed at the bottom of the platform, the core of the transplanting assembly is a vertical pipe, the bottom end of the vertical pipe is hinged to a pusher dog capable of being opened and closed, and the upper portion of the pusher dog is connected with an adjusting ring movably arranged on the vertical pipe in a sleeving mode through a transmission arm. The lifting of the adjusting ring can be linked with the transmission arm to control the opening and closing of the pusher dog to realize vertical insertion of the clamping jaw into the ground; a pressure regulator is arranged in the top of the vertical pipe, an L-shaped progressive rack of the pressure regulator is rigidly connected with the regulating ring, and a movable fluid distribution compression ring is connected below the pressure regulator; when the adjusting ring drives the pusher dog to act, the pressure regulator is synchronously linked, so that the conical head body of the fluid distribution pressing ring is embedded into the specific groove to form water channel communication; water flow of the water conveying hose is guided into the inner wall of the vertical pipe through the flow guide cavity and the anti-blocking flow guide ring and finally drips into target soil, and automatic wetting before seedling taking is achieved.

The invention relates to a power supply feedback control circuit, a switching power supply and electronic equipment. The power supply feedback control circuit is connected with the switching power supply module and comprises a voltage regulation controller and a voltage regulation circuit which are connected with each other, and the voltage regulation circuit is connected with a feedback node of a feedback circuit of the switching power supply module. And the voltage regulation controller is used for acquiring the target voltage of the target load and regulating the circuit state of the voltage regulation circuit based on the target voltage so as to regulate the voltage of the feedback node, so that the switching power supply module outputs the target voltage according to the voltage of the feedback node. By connecting the power supply feedback control circuit to the feedback node, the switching power supply modules of various resonant transformation topologies can be controlled to output corresponding voltages according to the requirements of electric equipment, so that a plurality of DC-DC conversion modules at the rear ends of the resonant transformation topologies can be omitted, the circuit structure is simplified, meanwhile, the size of charging equipment is reduced, and the cost is reduced. And the requirement of small-size development of fast-charging products is met.

The invention relates to the technical field of pressure regulator diagnosis, in particular to a gas fuel pressure regulator diagnosis system and a diagnosis control method, comprising a control module, a diagnosis module, an electromagnetic valve, a high pressure sensor, a low pressure sensor and a pressure regulator; the electromagnetic valve, the high-pressure pressure sensor, the pressure regulator and the low-pressure pressure sensor are sequentially connected through a pipeline; the control module is electrically connected with the diagnosis module, the electromagnetic valve, the high-pressure pressure sensor, the low-pressure pressure sensor and the pressure regulator. The high-pressure pressure sensor is used for measuring a pressure value corresponding to high-pressure gas in a pipeline between the electromagnetic valve and the pressure regulator; and the low-pressure pressure sensor is used for measuring the pressure value corresponding to the low-pressure gas corresponding to the outlet of the corresponding pressure regulator after passing through the pressure regulator.

An airport taxiway signboard safety monitoring device comprises a box body detection module, the box body detection module comprises a rotary pressure regulating piece, a connecting piece, a shell, a bottom cover, a microswitch and an element fixing piece, the interior of the shell is hollow and used for containing elements, and the bottom cover and the microswitch are arranged at the bottom of the shell; the outer peripheral surface of one end of the rotary pressure regulating piece is provided with threads, and the other end of the rotary pressure regulating piece protrudes outwards in a direction perpendicular to the axis to form a limiting boss; the inner circumferential surface of the connecting piece is provided with threads, one end of the connecting piece is perpendicular to the axis and protrudes towards the outer side direction to form an abutting boss, the connecting piece abuts against the top of the shell through the abutting boss, and the rotary pressure adjusting piece is in threaded connection with the connecting piece; the element fixing piece is clamped at the bottom of the shell through the clamping boss, the microswitch is arranged in the clamping groove, and the bottom cover is located at the bottom of the microswitch and makes contact with a contact of the microswitch. And meanwhile, the maintenance working intensity of personnel is reduced.

Sampling system set including - At least one connecting piece; - Connected to a pressure regulator; - Connected with an outlet piece; - characterized in that all components are sterile and prefabricated for single use.

The utility model relates to a pressure regulator and a gas tank. A pressure regulating unit of the pressure regulator comprises a valve seat, a diaphragm, a valve rod, a first elastic driving device and a second elastic driving device. A valve port of the pressure regulating cavity is formed in the valve seat. The diaphragm forms a movable wall of the pressure regulating chamber. The valve rod and the diaphragm are split components, and the valve rod penetrates through the valve port. The first elastic driving device is connected to the diaphragm at the end, opposite to the valve seat, of the diaphragm. The second elastic driving device is arranged at the end, away from the diaphragm, of the valve rod. When the pressure of the fluid medium in the pressure regulating cavity is smaller than a preset pressure threshold value, the first elastic driving device enables the diaphragm and the valve rod to move towards the second elastic driving device so as to open the valve port. When the pressure of the fluid medium in the pressure adjusting cavity is larger than a preset pressure threshold value, the fluid medium in the pressure adjusting cavity enables the diaphragm to move towards the first elastic driving device, and meanwhile the second elastic driving device enables the valve rod to move towards the first elastic driving device so as to close the valve port. According to the pressure regulator, fatigue damage of the diaphragm, the valve rod and the valve seat is avoided, and parts are reduced.

An apparatus for securing a pressure control tube in a user-defined position within a pressure regulator device is described. The apparatus has one or more engagement features and a releasable tube retaining means comprising a resiliently deformable locking member. The resiliently deformable locking member is configured to be releasably engageable with at least one of the engagement features such that engagement between the locking member and engagement feature causes resistance to movement of the pressure control tube within the pressure regulator device. The locking member can be at least partially disengaged from the engagement feature such that resistance to movement of the pressure control tube within the pressure regulator device is reduced.

The utility model relates to the technical field of fuel gas pressure regulators, in particular to an intelligent pressure regulator for a fuel gas pipeline, which is convenient for a worker to clean a protective net, improves the practicability and comprises an intelligent pressure regulator body, a gas inlet end joint is arranged on one side of the intelligent pressure regulator body, and a gas outlet end joint is arranged on the other side of the intelligent pressure regulator body. One side of the intelligent pressure regulating valve body is provided with an air inlet end connector, the other side of the intelligent pressure regulating valve body is provided with an air outlet end connector, the intelligent pressure regulating valve body is provided with an exhaust pipe, and a protective net is installed inside the end portion of the exhaust pipe. The intelligent pressure regulating valve is characterized in that a sleeve is rotatably installed at the end portion of the exhaust pipe, a connecting plate is detachably installed on the sleeve, and an installation block is arranged on the side, close to the protective net, of the connecting plate; bristles are arranged on the side, close to the protective net, of the mounting block, the sleeve and the exhaust pipe are rotationally connected through an annular convex edge and an annular groove which are matched with each other, the annular convex edge is arranged on the sleeve, the annular groove is formed in the exhaust pipe, the annular groove is formed in the sleeve, and the annular convex edge is arranged on the exhaust pipe.

A pressure regulator for compressed gas, comprising a body with a gas inlet, a gas outlet and a gas passage interconnecting said gas inlet with said gas outlet; a shut-off device comprising a seat located in the gas passage; a shutter configured for cooperating the seat; a pressure sensing assembly defining an internal volume filled with an auxiliary gas and closed by a plug, said pressure sensing assembly being elastically deformable and located in the gas passage downstream of the seat, said pressure sensing assembly being configured for actuating the shutter relative to the seat depending on a gas pressure downstream of the seat; a port fluidly connected, via the plug, to the internal volume, and configured for fluidly connecting an external source of the auxiliary gas to said internal volume for adjusting a pressure of the auxiliary gas in said internal volume.

The invention provides a self-adaptive air pressure control method for semiconductor polishing, and relates to the technical field of polishing control, the method comprises the following steps: obtaining a cascade air pressure control module of chemical mechanical polishing equipment; constructing an original three-dimensional model and a preset polishing target three-dimensional model of the semiconductor wafer to be processed; performing space alignment fitting to generate a to-be-polished model; neighborhood clustering is carried out according to multi-point polishing requirements; based on the multiple clustering areas and the polishing demand identification information, in combination with preset polishing solution information, polishing air pressure optimization is carried out, and multiple optimal polishing air pressure parameters of the multiple clustering areas are obtained; and based on the first air pressure regulator, air pressure control signals are generated according to the multiple optimal polishing air pressure parameters for polishing control, and feedback optimization control is conducted through the second air pressure regulator. According to the invention, the technical problem that the polishing parameter setting is not accurate enough in the prior art can be solved, and the technical effect of improving the semiconductor polishing accuracy and efficiency is achieved.

The present application relates to the technical field of melamine phase change microcapsule preparation, and particularly relates to a melamine phase change microcapsule preparation device and method based on microfluidic technology; the technical scheme: a melamine phase change microcapsule preparation device and method based on microfluidic technology, comprising an aqueous solution tank, an aqueous phase liquid inlet pump, a first valve, a pressure regulator, an oil phase liquid inlet assembly, a liquid mixing assembly, a reaction assembly and a collection assembly; compared with the traditional melamine phase change microcapsule preparation method, the melamine phase change microcapsule prepared by the intermittent method has the problems of poor quality stability, low performance reproducibility, low production efficiency and low cost, etc.; the melamine phase change microcapsule preparation method adopts a microfluidic device integrating temperature control, liquid mixing and chemical reaction, etc., and by connecting the liquid inlet pump at different places, various components can be introduced and polymerization reaction can be carried out in the process of preparing the melamine phase change microcapsule.

The present invention provides a transformer automatic oiling system based on improved pressure oiling equipment, including interconnected: oil source storage module, for oil storage, oil level monitoring and oil temperature control; intelligent connection module, for designing pipelines and valves, and installing intelligent connection components; pressurized oiling module, for pressure oiling using variable frequency oil pump and pressure control valve, and for oil injection quantity control in combination with throttle valve and voltage stabilizer; filtering and degassing module, for pre-filtration, degassing and drying, and for evaluating oil quality; control center module, for designing oiling control logic based on PLC control cabinet, controlling actuator to complete oiling task, and for real-time monitoring, remote control and alarm; safety guarantee module, for oil leakage detection and pressure detection. The present invention realizes a high-efficiency, low-maintenance automatic oiling process, and can also reduce the probability of equipment failure, extend the service life of transformers, reduce operation and maintenance costs, and improve the reliability and safety of power systems.

Disclosed is a pressure regulator seat that includes a seat body and a base. The seat body can include a flange that extends radially from an upstream edge of the seat body. In some configurations the pressure regulator includes a first projection disposed on an upstream surface of the flange and that extends in an upstream direction so as to separate a flow of fluid flowing in a downstream direction into at least two flow paths. In some configurations, a throttling seat is disposed on a downstream surface of the flange and has a second projection. The flange and the base can form a chamber therebetween. The at least two flow paths can enter the chamber. In some configurations, the second projection can extend in the downstream direction and into the chamber.

The bottled liquefied petroleum gas pressure regulator comprises a lower valve seat, an upper valve seat is arranged at the top end of the lower valve seat in a clamped mode, an annular installation seat is fixedly arranged at the top of the inner side of the lower valve seat, an annular clamping groove is formed in the bottom of the inner side of the annular installation seat, and an annular clamping seat is arranged in the annular clamping groove in a clamped mode. According to the bottled liquefied petroleum gas pressure regulator, the annular clamping groove and the annular clamping base are clamped in a limiting mode, so that the mounting ring is preliminarily limited, the two limiting blocks are clamped with the two limiting grooves under the action of the supporting springs, then the mounting ring is further limited, and therefore the rubber diaphragm is limited and fixed; the two limiting blocks are driven to slide by sliding the two sliding rods, so that the two limiting blocks are contracted into the two mounting grooves correspondingly and are separated from the two limiting grooves, the mounting ring is not limited any more, and therefore the mounting ring and the rubber diaphragm can be detached and replaced conveniently.

The utility model discloses a pressure regulator with a silencing function, and belongs to the technical field of pressure regulation and stabilization, an internal silencer and an external silencer are additionally arranged on the basis of the structure of an axial-flow type pressure regulator, when a valve cylinder is separated from a valve clack and a valve port seat, gas flows out through a silencing through hole of the internal silencer, and when the gas flow speed is high enough, the gas flow speed is high enough, and the gas flow speed is high enough. The noise reduction through holes can move the frequency spectrum of exhaust noise to high frequency, the audible sound part in the noise frequency spectrum is reduced, and therefore interference of the noise to the environment is reduced, the noise reduction barrel filled with the spring is arranged in the external silencer, when airflow passes through the spring in the noise reduction barrel, the spring in the noise reduction barrel can absorb kinetic energy generated by airflow impact, and the noise reduction effect is improved. When the airflow passes through the rectifying plate at the open end of the external silencer, the airflow passes through the multiple layers of perforated plates, layered diffusion and pressure reduction are achieved, the pressure and the flow speed of the fluid are reduced, meanwhile, the flow direction of the fluid is integrated, impact on the pipe wall is reduced, and the effect of reducing the noise is achieved.

The invention provides a power device of a hydrogen fuel cell based on a PEMFC, which belongs to the technical field of fuel cells and comprises a fuel cell stack, a hydrogen supply system, an air supply system, a cooling system and a control system, the hydrogen supply system comprises a hydrogen storage tank, the output end of the hydrogen storage tank is connected with an electromagnetic valve through a pipeline, the output end of the electromagnetic valve is connected with a pressure regulator through a pipeline, and the output end of the pressure regulator conveys hydrogen to a hydrogen inlet of the fuel cell stack through a hydrogen pipeline. And a pressure sensor is mounted on the pressure regulator. Through accurate adjustment of the intelligent control system, cooperative work of all the systems is achieved, efficient and stable operation of the fuel cell stack is guaranteed, the reliability and energy efficiency of the whole system are improved, and meanwhile the influence of unstable factors such as overheating and pressure fluctuation on the performance of the cell stack is effectively reduced.

A system includes a body, a sensor, a pressurized fluid source, and a blockage detection module. The body defines a cavity open to an ambient environment at a port. The sensor communicates with the cavity to produce a signal representative of a fluid pressure within the cavity. The blockage detection module includes a pressure regulator and a valve disposed along a conduit fluidly connecting the pressurized fluid source to the cavity. The blockage detection module includes a processor and memory encoded with instructions of a blockage detection method.

Provided is an apparatus for applying a liquid material to a plurality of parts, wherein the apparatus comprises at least a first gun through which the material can be applied to the parts; a reservoir for holding the material, the reservoir being fluidically connected to the first gun; a pressure system for providing a gas pressure acting on the material located in the reservoir, the pressure system having a pressure regulator, by which the gas pressure acting on the material can be adjusted, and a pressure sensor for detecting the gas pressure acting on the material; a temperature sensor for detecting the temperature of the material; and a control unit in which a material-specific function is stored which specifies a setpoint value for the gas pressure which depends on the detected temperature of the material. The invention also provides a method to determine the material-specific function.

The ultrahigh-pressure axial-flow type gas pressure regulator comprises a left valve body, a middle valve body, a right valve body and a pressure regulating assembly, the left valve body is provided with a gas inlet channel, a valve clack and a guide sleeve are fixed to the right end of the left valve body in a sealed mode, the valve clack is provided with a vent hole, a pressure regulating gas channel is formed between the guide sleeve and the valve clack, and the middle valve body is connected with the left valve body and the right valve body in a sealed mode in a left-right corresponding mode. The pressure adjusting assembly comprises a piston and a valve cylinder, the piston is in sliding sealing fit with the middle valve body, the valve cylinder is fixed to the middle of the piston in a sealing mode, the left half portion of the valve cylinder is in sliding sealing fit with the guide sleeve, the right half portion of the valve cylinder is in sliding sealing fit with the right valve body, and the space between the piston and the left valve body is an inflation cavity. A space between the piston and the right valve body is a feedback cavity which is communicated with the air outlet channel; the left valve body, the middle valve body, the right valve body, the valve clack, the guide sleeve, the piston and the valve cylinder are all made of austenitic stainless steel. The device has the advantages of simple structure, safety, reliability and high practicability.

The invention provides a distributed driving system structure of an electric transmission vehicle. The distributed driving system structure comprises a driving motor, a hub reduction gear, a brake disc, brake calipers, a pressure regulator, a master cylinder, a brake controller, a filter and a connecting flange plate. The output end of a driving motor of the driving system, a hub reduction gear and a brake are coaxially arranged. A double-motor double-side independent driving mode is adopted, motors with different power densities are reasonably selected, and wheel reducers are matched, so that the driving system works in a reasonable working range. The power output part, the brake disc and the brake calipers of the driving system are arranged outside the vehicle body, the wire outlet end of the driving motor, the water inlet and the water outlet and the like are arranged in the vehicle, the environmental adaptability of the braking device and the driving motor can be improved, and the characteristics of compact structure and small size are achieved.