107results about How to "Extend working life" patented technology

This utility model discloses a wear-resistant screw drill bit, belonging to the technical field of screw drill bits. The wear-resistant screw drill bit includes a bypass valve, a hydraulic motor, a universal joint, a drive shaft, and a housing. The universal joint includes a connecting rod, with ball seats and short sections at both ends. A locking sleeve is provided between the ball seats and the short sections. A cavity is formed inside the ball seats, and a movable groove is formed on the outer side of the ball seats. A movable rod is slidably connected to the inner side of the movable groove, and a movable block is fixed to the outer side of the movable rod. Two sealing rings are embedded on the outer side of the movable block. This utility model can automatically filter metal debris from the lubricating oil, greatly extending the working life of the lubricating oil and reducing the frequency of lubricating oil replacement. To a certain extent, it solves the problem that universal joints are prone to wear in high-temperature and high-pressure environments, requiring regular lubricating oil replacement to prevent metal debris from further aggravating wear, which is time-consuming and labor-intensive.

This invention provides a core-iron assembly, a solenoid valve, and an automotive thermal management system. It includes a sleeve, a coil assembly, a first iron core, a pressure head, a second iron core, and a copper ring. The coil assembly is disposed outside the sleeve; the first iron core is fixed inside the sleeve and has a groove; the pressure head is fitted into the groove; the second iron core is disposed inside the sleeve and can move axially along the sleeve; a first elastic element is disposed between the second and first iron cores; and the copper ring is sleeved between the pressure head and the sealing head. This invention, by placing a copper ring between the first and second iron cores of the solenoid valve, enables the first and second iron cores to quickly eliminate residual magnetism when the solenoid valve is de-energized and slows down the impact speed of the iron cores when energized, thereby shortening the separation time of the first and second iron cores, reducing noise when the first and second iron cores are engaged, reducing wear, and thus extending the service life of the solenoid valve.

The application relates to the technical field of power supply circuits, and particularly discloses a self-adaptive constant-current control method and system for a DC-DC direct-current conversion power supply, wherein the output voltage is acquired in real time and compared with a plurality of preset voltage thresholds, the interval where the output voltage is located is identified, the input current constant-current given value is reduced according to a first step value in response to the output voltage rising in the voltage limiting zone, the input current constant-current given value is reduced according to a second step value in response to the output voltage rising in the current sharing zone, and the first step value is greater than the second step value, so that the voltage overshoot caused by load shedding is quickly inhibited, the stable control of the output voltage is brought, the dynamic response capability of the system is improved, and the risk of damage of power devices due to overvoltage is reduced.

The patent relates to the technical field of tobacco, and particularly relates to a conveying system for a paper-process sheet drying oven and the paper-process sheet drying oven. The conveying system comprises a conveying device, a first deviation rectifying device and a second deviation rectifying device. The first deviation rectifying device and the second deviation rectifying device are both used to provide displacement in a deviation rectifying direction to the conveying belt, the deviation rectifying direction is perpendicular to the length direction of the conveying belt, the distance between the first deviation rectifying device and the end driving roller is not greater than 10%, 20% or 25% of the length direction size of the transmission assembly, and the second deviation rectifying device is arranged substantially symmetrically to the middle line of the transmission assembly in the length direction of the first deviation rectifying device. The patent can better solve the deviation problem of the conveying belt, save labor cost, improve production efficiency and reduce the labor intensity of the operator. The deviation rectifying frequency of the first deviation rectifying device and the second deviation rectifying device is lower during the working process, and the first deviation rectifying device and the second deviation rectifying device are more suitable for deviation rectifying of long-distance belt conveying systems and have a longer service life.

This utility model relates to the field of multimedia teaching equipment technology, specifically a multifunctional teaching device based on digital media technology, including a first shell, a second shell, a first ion fan, and a second ion fan. A winding shaft for retracting a screen is installed inside the first shell. The second shell is located below and connected to the first shell. An opening for the screen to pass through is provided at the bottom of the second shell, and a channel for the screen to pass through is provided at the top of the second shell. The first ion fan is located at one end of the first shell and communicates with it. The second ion fan is located at one end of the second shell and communicates with it. The first and second ion fans are on the same side. Positive and negative charge air masses clean the surface of the screen inside the first and second shells, removing dust adhering to the surface during the retracting and unretracting of the screen, thus preventing dust from absorbing and refracting light and affecting teaching quality.

The utility model discloses a driving assembly for grinding and cleaning small parts, which belongs to the technical field of small part conveying and comprises a rotating shaft rotationally connected to the outer wall of a box. The rotating shaft is fixedly connected with a driving magnetic wheel; one end, close to the rotating shaft, of the conveying shaft extends out of the box body and is fixedly connected with a driven magnetic wheel; the driving assemblies such as the rotating shaft, the driving magnetic wheel and the driven magnetic wheel are designed on the outer side of the box body, so that during later maintenance, the driving assemblies do not need to enter the box body, a worker can perform maintenance directly on the outer side of the box body quickly and conveniently, meanwhile, the driving assemblies are designed on the outer side of the box body, and it is avoided that during grinding and cleaning, the grinding efficiency is greatly improved. Liquid is splashed to the surface of the driving assembly, the corrosion problem is avoided, and the working life is ensured.

The utility model discloses a kind of outer plating film type quartz heating tube silk screen electrode and conductive structure, comprising: first electrode part, second electrode part and connecting electrode;The side of first electrode part is connected on the heating film plated on the surface of quartz heating tube, second electrode part is located on the side of first electrode part away from heating film, second electrode part is used to cooperate and connect with electrode fixed sheet, and electrode fixed sheet is embraced on second electrode part.Different from the silk screen electrode structure of the ring of the past, the utility model has certain gap between second electrode part and first electrode part, so that electrode fixed sheet is far away from heating film, while guaranteeing the heating function of heating tube basis, electrode fixed sheet is far away from heating film, when heating tube is in long time or high power work, electrode fixed sheet will not be deformed because of overheating, and the situation of burning out heating film is avoided, so that the working life of heating tube is longer, and frequent maintenance is avoided.

The utility model discloses a kind of impeller type oxygenators, it is related to oxygenation equipment technical field, impeller type oxygenator includes motor assembly and impeller assembly, impeller assembly includes base and multiple blades, base is connected at the output end of motor assembly, motor assembly can drive base to rotate, multiple blades are sequentially connected to the outer wall of base along the circumference of base, blade is provided with sheet body, sheet body is inclinedly arranged from below to above along the direction of rotating towards base;Blade is further provided with water guide portion, water guide portion is arranged at the upper end of sheet body, when motor assembly drives base to rotate, base can drive blade to rotate, sheet body can lift water below upward at this time, when water flow passes through water guide portion, part of water flow can be guided to the outer wall of motor assembly by water guide portion, so as to heat dissipation can be carried out to motor assembly, reduce the working temperature of motor assembly, it is favorable to improve the working life of motor assembly.

The invention provides a commercial vehicle AMT auxiliary box gear shifting process control method which effectively reduces impact damage of a synchronizer, reduces the synchronization failure probability of the synchronizer and reduces forward gear impact and abnormal sound. The method is characterized in that during pneumatic gear shifting control, when a synchronization starting position is approached, air inlet is controlled through low frequency, and pressure in a gear shifting air cavity is reduced in advance, so that the movement speed of a piston of a corresponding air cylinder is reduced, and when a synchronizer is in contact, the pressure of the air cavity reduces synchronous torque due to low-frequency air inlet and exhaust; and when the position of the auxiliary box is recognized to pass through the synchronous position, the original frequency is recovered for air intake, and the gear shifting action is completed.

This invention discloses a battery output circuit with uninterrupted low power consumption, high efficiency, and boost voltage regulation, comprising: a battery; diode one, the anode of which is connected to the positive terminal of the battery; a boost chip, pin 1 of which is connected to the positive terminal of the battery; diode two, the anode of which is connected to pin 2 of the boost chip; a load, pin 1 of which is connected to the cathodes of diodes one and two, pin 3 of which is connected to pin 4 of the boost chip; and pin 2 of the load, pin 3 of the boost chip, and the negative terminal of the battery grounded. Under normal load operation, when the boost chip is turned on, the input voltage of the load will not decrease with the increase of the operating current, effectively solving the defect of battery voltage fluctuation with changes in output current, especially at low temperatures. The boost chip is not always on during system operation, effectively improving its lifespan.

The application discloses a servo drive hydraulic grab bucket system and grab bucket for a large crane and belongs to the technical field of cranes. The servo drive hydraulic grab bucket system for the large crane comprises an oil tank for storing hydraulic oil and a hydraulic control system, the oil tank is communicated with the hydraulic control system through a hydraulic pipeline and forms a closed circulating oil path, and the hydraulic control system comprises: a hydraulic cylinder body connected with the grab bucket; a hydraulic pump group composed of a constant-power variable pump driven by a servo motor, an oil inlet of the hydraulic pump group being connected with the oil tank through the hydraulic pipeline and an oil outlet of the hydraulic pump group being connected with a hydraulic pump head valve group; and the hydraulic pump head valve group comprising an electromagnetic ball valve, an input end of the electromagnetic ball valve being connected with an output end of the hydraulic pump group and an output end of the electromagnetic ball valve being connected with an oil inlet of a control valve group. The servo drive hydraulic system is utilized to realize linear and continuous change of the working speed of the super-large grab bucket through double-variable control, and the stability, working life and working efficiency of the working system are effectively improved.

The utility model discloses an electric steamer which comprises a base, a steamer assembly and an external water tank, the steamer assembly and the external water tank are arranged on the base, the base comprises a water storage cavity, a steam generation cavity and a heating piece arranged at the bottom of the steam generation cavity, and a separation rib is arranged between the water storage cavity and the steam generation cavity. The external water tank comprises a water supplementing cavity, a two-way water passing channel is arranged between the water storage cavity and the water supplementing cavity, and a one-way water passing channel allowing water flow to flow from the water supplementing cavity to the steam generating cavity is arranged between the water supplementing cavity and the steam generating cavity. A floater is arranged in the one-way water passing channel and floats along with the water level so as to control on-off of the one-way water passing channel. According to the electric steamer, pollutants entering the one-way water passing channel can be effectively reduced, so that the influence of the pollutants on the floating of the floater is reduced, and the service life of the floater is effectively prolonged.

This invention discloses an all-solid-state white laser, belonging to the field of laser technology. The laser includes a pump source for generating pump light and a composite laser gain medium for receiving the pump light. The composite laser gain medium is composed of several laser crystals with a stepped distribution of pump light absorption coefficients and several nonlinear optical crystals arranged in a cross-bonded configuration. A first laser resonator, a second laser resonator, and a third laser resonator are formed by coating the laser crystals and nonlinear optical crystals respectively, enabling them to generate lasers of different wavelengths in the same direction under the action of focused pump light. The first laser output from the first laser resonator, the second laser output from the second laser resonator, and the third laser output from the third laser resonator are mixed in the same direction to generate white light, which is then output. This invention effectively improves the thermal effect inside the gain medium through relatively independent resonators, which is beneficial for obtaining high-quality, high-power white light output.

The present application relates to the technical field of automobile wire harness terminals, in particular to a crimping terminal, which solves the problems of the existing technology that the corrosion inhibitor layer is easy to flow off and the structure of piercing cannot effectively accommodate the oxide layer debris when the copper-aluminum terminal is crimped, comprising a conductor crimping part and a corrosion inhibitor layer, the inner side of the conductor crimping part is formed with a crimping surface for crimping with the conductor of the wire, and the corrosion inhibitor layer covers at least the crimping surface of the conductor crimping part; the corrosion inhibitor layer comprises a carrier and nano-conductive particles dispersed in the carrier, and the carrier is a drying oil; before the conductor crimping part is crimped with the wire, the corrosion inhibitor layer is a liquid coating coated on the crimping surface, and after the conductor crimping part is crimped with the wire, the corrosion inhibitor layer is solidified into a solid film. The beneficial effect is that the drying oil is creatively selected as the carrier of the corrosion inhibitor layer, which is solidified into a tough solid film after being crimped with the aluminum wire. The problem that the liquid coating is easy to flow off under the vibration working condition in the existing technology is solved.

The utility model discloses a magnetic control proximity switch structure, a magnetic control proximity switch comprises a reed switch and a magnetic element, the reed switch is installed in a switch box, the magnetic element is installed in a magnetic block box, and a lead of the reed switch is electrically connected with a main control board of a box body of a refrigeration appliance through an electric connector. The switch box is installed on a box body of the refrigeration appliance, the magnetic block box is installed on a door body of the refrigeration appliance, and when the door body is closed, the magnetic element is close to the reed switch to enable the reed to send out an electric signal. According to the utility model, the reed pipe and the magnetic element are respectively arranged in the switch box and the magnetic block box, so that the reed pipe and the magnetic element are effectively protected, and the switch box can isolate water vapor in the refrigeration appliance, so that the service life of the reed pipe is prolonged in a relatively dry use environment.

The application relates to the field of fuel cell technology and discloses a fuel cell water washing system, wherein a water washing cooling device is provided with a water washing air inlet, a water washing air outlet, a water supplement inlet and a water outlet; a fuel cell stack is provided with an anode air inlet, a cathode water outlet and an internal cooling pipeline; the cathode water outlet is communicated with the internal cooling pipeline; the internal cooling pipeline is provided with a circulating water inlet and a circulating water outlet; a first water tank is provided with a first water inlet, a first water outlet and a first overflow port; a second water tank is provided with a second water inlet and a second water outlet; a hydrogen output port of a reforming hydrogen production module is connected with the water washing air inlet; the water washing air outlet is connected with the anode air inlet; the circulating water outlet is connected with the first water inlet through a first water pump; the first water outlet is connected with the circulating water inlet; the first overflow port is connected with the second water inlet; and the second water outlet is connected with the water supplement inlet through a second water pump. The application carries out water washing on hydrogen produced by reforming hydrogen production, and external water sources are not needed.

The utility model discloses a pole cooling plate for a cylindrical battery, and belongs to the technical field of battery cooling. The cooling plate comprises two long-strip-shaped aluminum alloy plates which are the first cooling plate and the second cooling plate respectively, trapezoidal cooling flow channels which are arranged in parallel are formed in plate bodies, a contact interface used for being attached to a battery pole column is formed on one side of the cooling plate, and a protruding face is arranged on the other side of the cooling plate. Two ends of the cooling plate are respectively provided with an inlet and an outlet and connected with an external cooling system; the circular groove matched with the pole in shape is formed in the binding face, the contact gap is filled with heat conduction silica gel or a phase change material, and meanwhile, the space between the cooling plate and the battery is filled with insulating powder or provided with an insulating layer, so that the heat conduction efficiency is improved, and the electrical safety is guaranteed. The structure can realize synchronous cooling of a plurality of pole regions, improves heat dissipation efficiency, temperature control precision and module safety, and is suitable for heat management requirements of a new energy automobile battery pack and an energy storage system.

This invention relates to a method and apparatus for calculating hydraulic pressure increases and decreases in a four-wheeled vehicle. The method includes: obtaining the instantaneous target hydraulic pressure of the vehicle's lifting device corresponding to each wheel at the previous moment, as well as its corresponding steady-state target hydraulic pressure and the maximum allowable hydraulic pressure change within the task cycle; determining an instantaneous hydraulic pressure difference ratio based on the instantaneous hydraulic pressure ratio at the previous moment; determining a first hydraulic pressure change ratio based on the instantaneous hydraulic pressure difference ratio and the steady-state hydraulic pressure ratio at the previous moment; determining a third hydraulic pressure change ratio based on a second hydraulic pressure change ratio and a hydraulic pressure change control coefficient; and determining the instantaneous target hydraulic pressure at the current moment based on the instantaneous hydraulic pressure execution ratio and the steady-state target hydraulic pressure. This invention avoids damage to the hydraulic lifting device caused by excessively rapid changes in hydraulic pressure in the lifting devices of each wheel.

This application relates to the field of spacecraft simulation technology, and discloses a thermal management system and method for on-orbit satellite COTS devices. The system includes: a modeling unit configured to model the target commercial off-the-shelf device and its associated heat transfer link to obtain a target model; a thermal environment construction unit that, based on the target satellite's orbital parameters, calculates the external heat time-series data corresponding to the payload module's periodic entry and exit from the Earth's shadow region in orbit; a simulation unit that acquires the power consumption time-series data corresponding to the target commercial off-the-shelf device performing the target mission, determines the external heat time-series data as the boundary conditions of the target model, and performs thermal simulation on the target model based on the power consumption time-series data; and a management unit that adjusts the operating mode of the target commercial off-the-shelf device based on the simulation results. This system can achieve accurate thermal simulation and thermal management optimization of on-orbit satellite commercial off-the-shelf devices, improving device performance and extending service life.

This invention relates to the field of switching power supply technology, specifically providing an isolated power supply circuit aimed at solving the problems of low integration, poor output consistency, and high cost and energy consumption in existing multi-channel isolated power supplies. To this end, the invention comprises: a power control and drive module, an isolation module, a rectification, filtering, and voltage regulation module, an anti-interference module, and a load module. The power control and drive module receives power, generates a drive voltage signal, and outputs the drive voltage signal to the isolation module, while simultaneously outputting a ground potential voltage signal to the anti-interference module. The isolation module achieves voltage signal isolation output through internal electromagnetic coupling, outputting the isolated voltage signal to the rectification and filtering module. The anti-interference module outputs the filtered, interference-free ground potential voltage signal to the rectification and filtering module. The rectification and filtering module performs rectification and filtering processes, outputting a stable voltage signal to the load module. This invention features high integration and high output consistency.

The utility model discloses an anti -freezing air conditioner heat pump unit, it includes: indoor shell, the inner wall fixed connection of indoor shell has condenser, compressor and throttle valve, the inner wall fixed connection of throttle valve has into steam pipe, the outer surface fixed connection of into steam pipe has evaporimeter, the inner wall fixed connection of evaporimeter has out steam pipe, the inner wall fixed connection of compressor has warm pipe, the inner wall fixed connection of condenser has out cold pipe, the outer surface fixed connection of evaporimeter has outdoor shell, the inner wall fixed connection of warm pipe has defrosting pipe, the inner wall fixed connection of indoor shell has defrosting pump, the inner wall rotatory joint of outdoor shell has several closed mechanisms, the outer surface fixed connection of evaporimeter has temperature sensor. Through above -mentioned structure, can prevent the medium in the mechanism to freeze due to temperature too low and evaporimeter to reduce the working efficiency due to frost, prolongs the working life of mechanism, improved the stability of working time.

This invention provides a method and apparatus for power consumption control of a satellite communication SoC chip. The method includes: real-time monitoring of the comprehensive operating parameters of each functional module, calculating power consumption requirements based on satellite orbital characteristics, generating power consumption control commands, performing intelligent clock gating and frequency adjustment operations on the functional modules, and ultimately achieving precise power consumption distribution control. This method can achieve real-time optimized power consumption management based on the dynamic changes of satellite communication services and the periodic characteristics of the orbit, effectively extending the satellite's on-orbit operational life and reducing the overall power consumption level.

The utility model belongs to refrigerator refrigerating system technical field discloses a new function turbulence fan, including air duct, centrifugal fan, axial flow fan and evaporimeter, the centrifugal fan sets up inside air cavity of air duct, the axial flow fan sets up outside air inlet of air duct through support and with the attitude of impeller axis perpendicular to horizontal plane, the system of turbulence fan is configured as: when the refrigerator normal refrigeration work, control centrifugal fan operation and axial flow fan stop, make airflow inhale from air inlet of air duct and discharge through air outlet of air duct, the utility model passes through installing support formula axial flow fan at air inlet of air duct, has realized the intelligent switching of refrigerator working mode, the axial flow fan has constructed the air curtain of the barrier hot airflow at air inlet of air duct, has solved the problem that the warm current invades the box in the defrosting process successfully, makes the refrigerator in defrosting process the temperature of the inner tank of box keeps stable, need not additional refrigeration to offset the influence of warm current, has reduced the overall energy consumption of refrigerator.

The application belongs to the field of aero-engine design, and is a gas turbine combustor outlet temperature real-time calculation method and system. By analyzing the oil-gas ratio calculation formula, the corresponding relationship between the combustor outlet temperature and the currently measurable parameters during the whole machine test is obtained, the combustor outlet temperature is realized in real time online evaluation, the inlet temperature change and component performance of the high-pressure turbine component can be evaluated in real time; by combining the application of the power turbine inlet exhaust gas temperature test measurement value and the combustor outlet temperature calculation value in the control system, the problem of the delay of the single use of the power turbine inlet exhaust gas temperature limit in the transition state process of the current various gas turbines can be solved, the delay time of the transition state process over-temperature control can be obviously shortened, thereby the working life of the hot end component is improved, and the problems of inaccurate grasp of the existing low-emission gas turbine combustion mode switching point, poor generality of the calculation method and poor effectiveness are solved.

The invention belongs to the technical field of electric heaters, and particularly relates to a preparation method of a long-life high-temperature magnesium oxide powder heating pipe. The method comprises the steps that an electrothermal alloy wire is pre-oxidized for 1-3 h in an oxygen-containing atmosphere at 900-1100 DEG C, a compact oxidation film is generated on the surface of the electrothermal alloy wire, and a pre-oxidized electrothermal alloy wire is obtained; the pre-oxidized electrothermal alloy wire is arranged in the axial direction of a metal protective sleeve, the metal protective sleeve is filled with fused magnesia powder with the purity larger than or equal to 96 wt%, then diameter shrinkage is conducted on the metal protective sleeve, and the fused magnesia powder is compacted and wraps the pre-oxidized electrothermal alloy wire; carrying out curing heat treatment on the reduced metal sheath tube; annealing is carried out on the processed metal protective sleeve; and cleaning the two ends of the annealed metal sheath pipe to obtain the high-temperature magnesium oxide powder heating pipe.

The utility model relates to the technical field of petroleum drilling equipment, concretely relates to a straight turbine drilling tool, the straight turbine drilling tool includes: the casing assembly is provided with the input of installation cavity for going into the drilling fluid, the main shaft subassembly is set up in the installation cavity, the one end of main shaft subassembly is connected with casing assembly through turbine fixed -rotor subassembly close to the input, the other end of main shaft subassembly is used for connecting the drill bit, the casing assembly is connected by a plurality of partial casing in turn, and the conical thread structure is connected between two adjacent partial casings. The scheme adopts the conical thread structure, can effectively disperse load to can directly eliminate the stress concentration phenomenon of straight thread both ends, makes the casing assembly can bear greater axial, radial, vibration load, avoids the problem that the connecting part of two adjacent parts is easy to break. The scheme improves the reliability of drilling tool, prolongs the working life.

The utility model relates to power distribution box heat dissipation technical field especially discloses a liquid cooling heat dissipation device and vehicle power distribution box, and liquid cooling heat dissipation device includes shell body, inner casing, water inlet pipe and water outlet pipe, and the cooling cavity is formed in the shell body, and the surface of shell body is equipped with water inlet and water outlet at intervals, and water inlet and water outlet are linked together, and the inner casing is located in the cooling cavity, and with the cavity inner wall of cooling cavity forms flowing space, to supply cooling liquid to flow, and the mounting cavity is formed in the inner casing, and the mounting cavity is used to accommodate the electrification terminal, and one end of water inlet pipe is linked together with water inlet, and the other end is used to be connected with external liquid storage device, and one end of water outlet pipe is linked together with water outlet, and the other end is used to be connected with external liquid storage device, and need not open the heat dissipation hole on the surface of vehicle power distribution box, ensure the sealing of vehicle power distribution box itself, thereby improved the working life of the internal structure of vehicle power distribution box.

The present application relates to centrifugal fan, especially to a kind of integrated centrifugal fan.The purpose of the present application is to provide a kind of integrated centrifugal fan with multiple environmental applicability, automated applicability operation and improved service life.The technical scheme is as follows: including installation cabin, the first electric sliding rail is installed on the left side upper portion of the installation cabin, the second electric sliding rail is installed on the front and rear two side walls of the installation cabin.By the way of automatically replacing the air guide device with different structure air wheel in the air guide cabin, the application environment of the integrated centrifugal fan can be more widely used, and for the same environment, the use state of the integrated centrifugal fan can also be quickly switched according to the need, the working life of the integrated centrifugal fan is improved, and there is no need to replace the traditional centrifugal fan and the matched pipeline, the efficiency of extracting gas or powder in the environment is improved.

A support structure (112) of a vehicle (100) is disclosed. The support structure (112) comprises a middle member (216), a plurality of ribs (308), a first wall (302) comprising at least one first mounting element (312), a second wall (304) comprising at least one second mounting element (316), a bottom wall (306) comprising a third mounting element (318) and a fourth mounting element (320), and a top wall (246) connected to the middle member (216) and the plurality of ribs (308). The first wall (302), the second wall (304), the top wall (246), the bottom wall (306) and the plurality of ribs (308) form a closed structure thereof. A headlamp (114) of the vehicle (100) is mounted to the at least one first mounting element (312), the at least one second mounting element (316), the third mounting element (318) and the fourth mounting element (320).

This invention provides an automatically adjustable motor cooling device and motor, which effectively solves the problem of excessive temperature rise in localized heat concentration areas of wet motors. The motor cooling device includes a radiator and a temperature control drive mechanism disposed inside the motor; the radiator contains a liquid storage cylinder; the liquid storage cylinder is mounted on the outer wall of the radiator between a first chamber and a third chamber, and the cylinder wall can slide up and down along the mounting point with the radiator outer wall; the temperature control drive mechanism is used to drive the liquid storage cylinder to extend into the first chamber or retract into the third chamber according to the temperature of the coolant in the cylinder. The liquid storage cylinder is mounted on the outer wall of the radiator between the first and third chambers, and the cylinder wall can slide up and down along the mounting point with the radiator outer wall. In conjunction with the temperature control drive mechanism, when the coolant temperature is high, the liquid storage cylinder is extended into the medium delivery channel for cooling, and when the coolant temperature is low, it is retracted.