100results about How to "Solve the cooling problem" patented technology

The utility model discloses a kind of heat pipe control inclined sky light, it is related to sky light technical field, including shell, face frame, mist blue diffusion plate, light source and radiator, the shell bottom is equipped with window, the radiator is embedded in window and outer surface is flush with shell outer contour, constitute the part of complete outer surface of shell;The shell has oblique outer convex side wall part, and the side wall part forms non-perpendicular angle with mist blue diffusion plate;The heat pipe control inclined sky light further includes warning component, it is located in the inside of the oblique outer convex side wall part, and includes: warning light source passage, the color change card movably arranged in warning light source passage, the drive part of driving color change card movement.This heat pipe control inclined sky light can improve heat dissipation efficiency, realize high temperature automatic warning and reduce the advantages of security risk.

The utility model relates to back adhesive technology field discloses the heat dissipation type breathable back adhesive, including polyester film, the polyester film top is provided with the heat conducting filler layer, is provided with the adhesive layer one between heat conducting filler layer with polyester film, heat conducting filler layer top is provided with graphite sheet, graphite sheet top is provided with the breathable microporous structure layer, the breathable microporous structure layer top is provided with adhesive layer two, heat conducting filler layer inside includes graphite sheet and boron nitride powder, graphite sheet with boron nitride powder is pasted together. In the utility model, through the high heat conduction performance of graphite sheet and boron nitride powder, the heat is conducted fast, and the intercommunication micropore of breathable microporous structure layer lets the air circulation and carries away the heat, and the heat dissipation problem is solved efficiently. The adhesive layer guarantees the close connection of each layer, maintains the stable overall structure, finally makes the object of being pasted stable operation under the suitable temperature, guarantees the normal use of relevant equipment or product.

This utility model discloses a novel composite heat exchange vehicle-mounted refrigerator, relating to the field of vehicle-mounted refrigeration technology. It includes a housing, a novel composite heat exchange system, and a control system. The novel composite heat exchange system includes: a main refrigeration unit, utilizing a cold source and a cold storage medium within an energy storage body for refrigeration or cold storage; and a secondary refrigeration unit, including a semiconductor refrigeration element. The cold end of the semiconductor refrigeration element is coupled to the system's airflow path or energy storage body to provide supplementary or deep refrigeration, while its hot end dissipates heat through a heat dissipation structure. The heat dissipation structure is immersed in the cold storage medium, utilizing the cold storage medium to absorb heat from the hot end. This utility model, by combining the main refrigeration unit and the secondary refrigeration unit and optimizing the thermal management of the secondary refrigeration unit, achieves stronger refrigeration capacity and can meet lower refrigeration temperature requirements.

The application belongs to the technical field of switches and discloses a dustproof and moistureproof sealing device for a communication switch port, which comprises a switch body, a sealing cover is arranged at the tail end of the switch body, and mounting legs are welded at the opening end of the sealing cover. The application is provided with a filter assembly with a flange joint on the sealing cover. Moisture and impurities in external air are adsorbed by activated carbon filter screens and desiccants filled in the hollow cylinder, and the activated carbon filter screens and the desiccants are connected with the flange joint through an external air outlet pipeline of a blowing equipment. The moisture and impurities are adsorbed, and a dustproof screen is used as an air vent to satisfy the drying and purification of air before the air enters the sealing cover. The dust accumulation and moisture erosion of the port are greatly reduced, and the heat dissipation problem of the tail end of the switch after the sealing cover is installed is solved. In combination with a rubber sealing ring at the tail end of the switch body and the sealing cover, the short board of the existing protection means in dustproof and moistureproof is solved.

The utility model provides a loudspeaker structure based on vibration sound transmission, which relates to the technical field of electroacoustic conversion devices, and comprises an upper cover assembly, a voice coil assembly, a magnetic circuit assembly and a lower cover assembly, and the surface of the upper cover assembly is provided with a heat dissipation hole I, a positioning hole and a fixing hole. According to the utility model, the magnetic circuit assembly and the voice coil assembly which are modularly designed are matched, an innovative structure that the voice coil is fixed and the magnetic circuit is movable is adopted, an electric signal is directly converted into mechanical vibration to be conducted to a human body, effective conversion from a sound signal to somatosensory vibration is realized, and the limitation that a traditional loudspeaker can only transmit sound waves through air is overcome; the heat dissipation holes and the ventilation grooves arranged in the upper and lower cover assemblies form convection heat dissipation channels, the heat conduction performance of the metal heat dissipation fins is matched, the heat dissipation problem during working of the vibration horn is effectively solved, long-time stable operation of equipment is guaranteed, meanwhile, the elastic supporting structure of the elastic pieces is utilized, vibration loss is reduced, and vibration conduction efficiency is improved.

This invention belongs to the field of space laser communication and deep space exploration technology, and discloses an integrated detection device for space laser communication monitoring and interaction. The device includes a main body, on which are integrated a solar panel, a navigation imaging device, a communication antenna, a communication receiver, a radar, a landing support, and functional components for communication monitoring, environmental perception, and interactive operation. This invention forms a closed-loop system through electrical, signal, and mechanical connections, enabling simultaneous execution of multiple tasks, significantly improving the device's space operation efficiency, reducing the load pressure on space launch vehicles, and adapting to the space constraints of on-orbit operations. The communication antenna and receiver achieve bidirectional signal interaction through a high-speed laser communication module and are linked with the navigation imaging device and environmental sensors to ensure stable transmission and status monitoring of laser communication signals, which is beneficial for practical applications and operations.

The application belongs to the chip packaging technical field, and particularly relates to a running control method based on a heterogeneous optoelectronic chip, steps of which are as follows: S101, obtaining a task quantity of a to-be-calculated task; and judging whether the task quantity is greater than a set first calculation threshold; when the judgment result of step S101 is yes, then step S102 is executed, that is, a type one photonic chip is recommended for the to-be-calculated task to execute calculation; when the judgment result of step S101 is no, then step S103 is executed, that is, a recommended calculation time consumption of the to-be-calculated task is obtained, and whether the recommended calculation time consumption of the to-be-calculated task is less than a set time length is judged; when the judgment result of step S103 is yes, then step S104 is executed, that is, a type two photonic chip is recommended for the to-be-calculated task to execute calculation; when the judgment result of step S103 is no, then step S102 is executed. The control method can realize flexible switching and stable high-speed running of the optoelectronic chip in an extreme environment.

This invention provides a liquid metal-based thermal grease, its preparation method, and its application. The liquid metal-based thermal grease comprises the following raw materials in parts by weight: 100 parts liquid metal, 2-5 parts silicone oil, 0.1-20 parts thermally conductive powder filler, and 0.1-3 parts other additives. The high-reliability liquid metal-based thermal grease provided by this invention possesses excellent high thermal conductivity, high processability, and high reliability. It can replace traditional thermal grease to solve the heat dissipation and cooling problem of high-power chips, thereby extending the lifespan of electronic products.

This invention provides the application of a mixture of methylstyrene with high para-isomer content in the preparation of polystyrene substitute copolymers, belonging to the field of polymer material synthesis technology. This invention is the first to directly utilize a low-cost mixture of methylstyrene isomers to replace high-purity styrene. Through a "boiling-condensation" cycle in the fluidized bed polymerization process, efficient and constant-temperature heat dissipation is achieved, effectively overcoming the heat transfer difficulties and temperature runaway risks of traditional bulk polymerization. This facilitates control of the polymerization mechanism and yields random copolymers with a narrow molecular weight distribution and mechanical properties comparable to general-purpose polystyrene. This method is simple and controllable, significantly reduces raw material costs, and combines economic benefits with environmental value. The resulting copolymers can be used in general plastics, packaging materials, and other fields.

The utility model belongs to the field of high -power test equipment especially relates to a heat pipe radiator for test equipment, including heat conduction matrix, heat pipe, heat dissipation matrix, heat conduction matrix is connected with heat dissipation matrix, it is equipped with a plurality of through -hole in the middle heat conduction matrix, the fixed connection of heat pipe has on heat dissipation matrix, the evaporation section of heat pipe is close to heat conduction matrix, the fixed connection of a plurality of radiating fins has on heat dissipation matrix, and the condensation section of radiating fin is close to heat pipe. Advantage is: has high -efficient heat dissipation, good dustproof, space utilization high -efficient, the advantage that heat is conducted downward, can effectively solve the heat dissipation problem of high -power test power supply equipment under special working condition, improves the operating stability and life of equipment.

The application provides an LED straight tube lamp, comprising: a lamp tube, the lamp tube comprising a diffusion coating covering the inner circumferential surface of the lamp tube; a lamp cap arranged at one end of the lamp tube; a lamp plate arranged in the lamp tube, the lamp plate being provided with a light source; a power supply, the power supply being in electrical communication with the light source through the lamp plate, the power supply comprising a circuit board and a power supply module arranged on the circuit board; the lamp plate is a flexible circuit board or a flexible substrate, the lamp plate having a part fixed on the inner circumferential surface of the lamp tube and a part located at both ends of the lamp plate and not fixed on the inner circumferential surface of the lamp tube, wherein the part not fixed on the inner circumferential surface of the lamp tube forms a free part, one end of the free part is deformed by being contracted towards the inside of the lamp tube, and the free part is directly welded to the circuit board of the power supply, the free part being an integral part of the flexible circuit board or the flexible substrate.

The application discloses a heat dissipation structure of an outdoor device and a centralized inverter integrated machine. The copper bar connected between an inverter and a transformer is connected with an internal cavity of an alternating current side of the inverter, heat generated by the copper bar is discharged to the inverter, and the heat exchanger in the inverter is used to discharge waste heat to the external environment. The heat dissipation problem of the copper bar connected between the inverter and the transformer and the connecting cavity is solved, and the cross-sectional size of the copper bar is reduced. The temperature of the copper bar connected between the inverter and the transformer and the connecting cavity is reduced, and the service life of internal devices is prolonged.

The utility model provides a kind of construction engineering construction temporary electricity protection box, belong to construction engineering construction equipment technical field, protection box includes box, door, protection mechanism and support structure, protection mechanism sets breathable side plate, its L-shaped breathable hole, top baffle, bottom butt sheet cooperate box clamping groove and water guide hole, and fixed by mounting piece and bolt, support structure sets support leg, support plate and reinforcing rib.The utility model solves the problems of insufficient rain and dust protection, poor heat dissipation and poor stability of existing protection boxes, and has the beneficial effects of stable structure, good rain and dust protection effect, efficient heat dissipation, easy installation and stable support.

The invention relates to a compact two-way direct current motor controller suitable for biaxial inertial navigation, and relates to the technical field of motor control. The controller comprises an upper-layer control board and a lower-layer driving board which are both 30mm * 40mm in size and are vertically butted through an inter-board connector. The control panel is used as a core and is responsible for algorithm execution and communication; the driving board takes two motor driving chips as a core and respectively drives two paths of direct-current brush motors. The control panel is powered by a single 5V power supply, and the voltage of the control panel is stabilized to 3.3 V through an LDO to supply power to the DSP. The control panel integrates two paths of RS422 differential serial ports, and has strong anti-interference communication capability. Through the innovative double-layer partition layout, large-current driving and a precise control circuit are physically isolated, the problems of heat dissipation and EMI in high-density design are solved, organic combination of low cost, miniaturization and high driving power (10A peak current driving capacity) is achieved, and the circuit is particularly suitable for automatic equipment with limited space.

The application discloses a core cabin of a natural gas hydrate in-situ heat and pressure preserving coring device based on a gravity heat pipe, and belongs to the technical field of natural gas hydrate exploitation, and comprises a core cabin outer pipe assembly, wherein the core cabin outer pipe assembly comprises a first outer pipe, a second outer pipe, a third outer pipe, a fifth outer pipe, a sixth outer pipe and a seventh outer pipe which are sequentially connected from top to bottom, a chip removal groove is threadedly connected to the bottom of the seventh outer pipe, and a drill bit is threadedly connected to the bottom of the chip removal groove; the application uses thermoelectric refrigeration and heat pipe heat transfer principles to integrate a refrigeration mechanism on a hydrate coring device, breaks through the heat preservation technical bottleneck existing in conventional natural gas hydrate coring equipment and technology, and the integrated heat pipe enhanced heat transfer system solves the heat dissipation problem of the refrigeration mechanism of the coring device, so that the core in the core cabin of the coring device can keep the in-situ temperature, original and faithful samples are provided for reservoir evaluation and basic physical property research, and new equipment and technology are provided for marine natural gas hydrate heat and pressure preserving coring.

The utility model relates to the technical field of intelligent transportation, concretely relates to high -speed toll station vice node railing machine, including railing machine body, set up on railing machine body and show module of fee of snapshot module and, snapshot module and show module of fee set up in the one side of railing machine body front end facing the lane transaction area, be provided with communication module in the railing machine body, this communication module is used for with ETC lane antenna carries out data interaction, and the transaction data of lane antenna is received through communication module and is shown through show module of fee of railing machine body, the lower extreme of pole machine body is provided with base, and the fixed part of base and setting in the bottom of railing machine body is connected in sliding fit, and the bottom of base is the sliding fit connection of sliding slot and sliding rail, the utility model relates to a kind of high -speed toll station vice node railing machine, solve the problem that multiple stand, construction complex caused by traditional ETC lane snapshot and fee show device independent setting, railing machine is simultaneously realized convenient installation and position adjustment by sliding base.

The application discloses a 505 / 95R29 special high-load radial tire for nonferrous mine and a production process thereof, and relates to the technical field of tires. The application is characterized in that a concave V-shaped structure is arranged at the tire shoulder and the tire side, the transverse pattern groove of the tire tread extends to the tire side and is provided with a heat dissipation groove; the ring part is designed with full interference and is provided with anti-skid protrusions; a five-layer belt structure is adopted, the B1 belt layer is a two-piece small-angle split structure, and nylon reinforcing layers are arranged on both sides of the tire body. The application fills the design and development blank of the 505 / 95R29 special high-load radial tire for nonferrous mine by developing a new 505 / 95R29 special high-load radial tire for nonferrous mine and adopting a new production process, and solves the problems of insufficient load capacity of the current product of the large-tonnage wide-body vehicle and high failure.

The invention relates to the technical field of engineering plastic preparation, in particular to an engineering plastic production drying process which comprises the following steps: S1, filling plastic particles into a drying barrel of a plastic drying device; s2, a heating device is started to heat air, and the air subjected to water-air separation and filtration is heated; s3, the heating device is closed, and the negative pressure device is started; the plastic drying device in the S1 comprises a support, a barrel is fixedly mounted at the upper end of the support, and the plastic drying device further comprises a lifting mechanism which is mounted on the barrel and extends into the inner barrel; the driving assembly drives the connecting base to move upwards, meanwhile, the lifting mechanism synchronously drives the inner barrel to rotate, materials in the inner barrel can make centrifugal movement through rotation of the inner barrel, mixing of the materials in the inner barrel is facilitated, and in the upward moving process of the groove body, part of the materials are continuously discharged from the end opening below the groove body; and therefore, water vapor in the materials can be fully discharged, the water vapor in the plastic particles can be quickly dispersed, and the materials can be dried more thoroughly.

The utility model provides a kind of laser range finder suitable for near-earth orbit environment, it is related to laser ranging technical field.It includes transmitting and receiving component, circuit bin, circuit component, the rear side of transmitting and receiving component is plane and with external fixed equipment detachably connected, circuit bin is connected with transmitting and receiving component, circuit component is connected in the inside of circuit bin and with transmitting and receiving component electricity is connected, the inside of circuit bin can form enclosed space.Circuit bin inside formed enclosed space, can limit the propagation of radiation, high-energy particles need to pass through the cover of circuit bin to reach sensitive device, effectively reduce the influence of high-energy particles on circuit.The plane of the rear side of transmitting and receiving component can form sufficient contact with external fixed equipment, increase the heat transfer area, the heat inside laser range finder can be transferred to outside in time, so that structure layout is more reasonable, increase overall heat dissipation efficiency, effectively solve the heat dissipation problem under vacuum environment.

The invention relates to a cooling device for a magnetic suspension high-speed pump. The cooling device comprises a pump body, an inducer, a volute, an impeller, a pump cover, a sealing body, a shaft, a shaft sleeve, a magnetic suspension motor and a cooling jacket integrated in the pump body. A sleeve type cooling flow channel surrounding heating areas of the shaft and the shaft sleeve as well as the impeller and the sealing body is formed in the cooling jacket; a cooling medium inlet and a cooling medium outlet which are communicated with the sleeve type cooling flow channel are formed in the cooling jacket; and the cooling medium inlet and the cooling medium outlet are connected with an external cooling loop through pipe joints. The cooling flow channel is directly integrated in the pump cover, the overall structure is greatly simplified, the number of parts is reduced, and the manufacturing cost and potential fault points are reduced. The sleeve type flow channel design increases the heat exchange area, the turbulent flow structure strengthens the heat exchange process, and heat can be taken away rapidly and evenly. The magnetic suspension pump is compact in structure, small in change of an existing magnetic suspension pump and easy to adapt.

This invention provides a multilayer inductor assembly for use in the field of inductors. The assembly includes a coil group wound around the outside of a magnetic core. A heat-conducting sleeve is sandwiched between the coil group and the magnetic core. A lower end cover and an upper end cover are fixed to both ends of the magnetic core, respectively. A base is provided at the bottom of the lower end cover and is mounted on a circuit board. When the multilayer inductor assembly is in operation, the heat generated by the coil group rises along the spiral outer air groove, enters the upper mounting groove of the upper end cover, and is dissipated to the outside through the gaps in the vortex heat sink. This forms a continuous air circulation cooling process, effectively solving the problems of poor heat dissipation and inconvenient installation of existing inductors, and improving the performance and reliability of the inductor assembly.

The utility model discloses a kind of communication equipment of ethernet isolated network, including multi-machine communication circuit, FPGA transmission data circuit, fan control circuit and power-on delay circuit.Multiple machine communication circuit realizes and communicates with external multiple equipment;FPGA transmission data circuit is shaped to transmission data and is handled;Fan control circuit connects cooling fan, and it is controlled to start and stop;Power-on delay circuit is connected between each functional circuit and external power supply, and power supply output electric energy is delayed and then supplied to each circuit, and the utility model realizes the orderly start of each functional module by power-on delay circuit, avoid the surge current generated by simultaneous power-on to cause damage to circuit, improve equipment stability.

This invention provides a cooling device for a wind turbine gearbox, comprising a wind turbine gearbox; a housing and a cooling tank are respectively arranged on both sides of the gearbox; a heat exchanger is fixedly installed on one side of the housing, one end of the heat exchanger is fixedly connected to a first cooling pipe, the other end of the first cooling pipe is fixedly connected to a delivery pump, and the input end of the delivery pump is fixedly connected to a second cooling pipe. This invention, by setting up a housing and a cooling tank on both sides of the wind turbine gearbox and fixing a heat exchanger on one side of the housing, forms a closed-loop coolant circulation, achieving rapid heat conduction and uniform heat dissipation inside the wind turbine gearbox. The coolant circulates through the first, second, and third cooling pipes and the cooling tank, carrying the gearbox heat to the cooling tank and releasing it to the outside air through the heat exchanger, effectively reducing the gearbox temperature and improving the operational stability of the equipment.

This invention provides an axial flux motor, comprising: a first rotor; a second rotor; a stator located between the first rotor and the second rotor; and a first end cover disposed outside the first rotor. The first rotor includes a first rotor magnet and a first support plate in direct contact with the first rotor magnet. The surface of the first support plate is rough. The first end cover includes: a first oil passage including a first plurality of oil injection holes; and a first oil pipe connected to the first oil passage and an external oil pump. Cooling oil enters the first oil passage from the external oil pump via the first oil pipe and is sprayed from the first plurality of oil injection holes in the first oil passage onto the surface of the first support plate. Furthermore, this invention provides a method for cooling the axial flux motor. This invention effectively solves the heat dissipation problem of the axial flux motor, thereby significantly improving the heat dissipation efficiency of the axial flux motor, reducing the operating temperature of the axial flux motor, and extending the service life of the axial flux motor.

This application discloses a fan control method, apparatus, system, and electronic device for a communication device. Relating to the field of communication technology, the method includes: obtaining a first control speed of a first-side fan and a second control speed of a second-side fan of the communication device, wherein the first side is the power supply side of the communication device and the second side is the system side of the communication device; or the first side is the system side of the communication device and the second side is the power supply side of the communication device; determining the speed difference between the first control speed and the second control speed; determining a compensation control speed of the second-side fan based on the speed difference; controlling the rotation of the first-side fan based on the first control speed; and controlling the rotation of the second-side fan based on the compensation control speed. This application solves the technical problem in communication device systems where the independent control of fans on different sides (such as the power supply side and the system side) leads to inconsistent speeds, which can easily cause uneven heat dissipation and noise problems.

The utility model relates to the technical field of electronic equipment, in particular to a special-shaped aluminum oxide ceramic lining piece which comprises an aluminum oxide ceramic main body, and the shape of the aluminum oxide ceramic main body is customized according to the layout and space limitation of a heating element in the electronic equipment; the flexible heat dissipation layer is arranged on the surface, making contact with a heating element, of the aluminum oxide ceramic body, and the flexible heat dissipation layer is made of a high-heat-conduction silica gel material and can be automatically deformed and attached according to the surface shape of the heating element. According to the layout and the space customization shape of the electronic equipment heating element, the flexible heat dissipation layer capable of being automatically attached to the surface of the element is matched, the micro-channel structure is optimally designed, the heat conduction efficiency is effectively improved, the heat dissipation problem under the limited space is solved, the high-heat-conduction liquid in the micro-channel is driven to circulate through the micro-circulating pump, and the heat dissipation efficiency is improved. The high-temperature-resistant and corrosion-resistant fluororubber O-shaped sealing rings and the sealing glue layers at the inlet and the outlet are subjected to double sealing, so that stable and reliable heat dissipation circulation is ensured.

This utility model discloses a cycloalkane dehydrogenation system, belonging to the field of cycloalkane dehydrogenation technology. The cycloalkane dehydrogenation system includes a reaction feed heat exchanger, a steam condensate preheater, a reactor steam preheater, a reaction discharge cooler, a heat transfer medium steam heat exchanger, a dehydrogenation reactor, and a separator. The reaction feed heat exchanger, steam condensate preheater, and reactor steam preheater are sequentially connected to the feed inlet of the dehydrogenation reactor. The product outlet of the dehydrogenation reactor is sequentially connected to the reaction feed heat exchanger, reaction discharge cooler, and separator. The steam condensate outlet of the reactor steam preheater is connected to the steam condensate preheater. The gaseous product outlet of the separator is connected to a circulating hydrogen pipeline. The steam condensate outlet of the heat transfer medium steam heat exchanger is connected to the steam condensate preheater. This cycloalkane dehydrogenation system can extend the lifespan of the heat transfer medium, fully utilize the energy of high-pressure steam, and extend the catalyst lifespan.

The utility model discloses a kind of packaging tape film covering device, it is related to covering device technical field, including covering assembly and active cooling assembly, covering assembly, the covering assembly includes support table, the top of the support table is fixed with guiding limiting piece, the side of the support table is fixed with driving transmission part, the side of the support table is provided with raw material placing piece, the top of the support table is fixed with covering piece, active cooling assembly, setting at the bottom of covering assembly, including water-cooling circulation piece.The device of the utility model by active water-cooling circulation mechanism and conical water-collecting mechanism, significantly improve the film cooling efficiency and stability, effectively solve the problem of uneven heat dissipation and condensate pollution, both guarantee the forming quality of covering material, avoid the production efficiency loss caused by cooling defect, simultaneously realize the efficient operation of cooling system, substantially improve the yield of covering process and production efficiency.

This invention relates to a mine-use explosion-proof and intrinsically safe multi-winding high-voltage variable frequency speed control integrated machine, comprising an explosion-proof multi-winding permanent magnet motor, a variable frequency speed control unit, and an input filter unit. The variable frequency speed control unit is fixedly mounted on the top of the explosion-proof multi-winding permanent magnet motor via a water-cooled heat dissipation base plate at its bottom. The input filter unit is located on the non-drive end cap side of the explosion-proof multi-winding permanent magnet motor and is connected to the variable frequency speed control unit via an explosion-proof flange. Power is supplied via a power cable and a power cable inlet device into the power cable wiring cavity, and control signal lines are supplied via a control cable inlet device into the control wiring cavity. Compared with the prior art, this invention solves the problems of large equipment size, difficult heat dissipation, and low cost and reliability under high-voltage applications through high integration and structural optimization. It has the advantages of compact structure, efficient heat dissipation, high power density, and good safety, and is suitable for 10kV and 6kV high-voltage power supply locations in coal mines.

The present application relates to the technical field of friction welding, in particular to a double-shoulder friction welding and milling integrated tool, which comprises an operation plate, a fixing assembly is installed on the top of the operation plate, a support frame is fixedly connected to the top of the operation plate, a welding mechanism is installed in the support frame, a cooling mechanism is installed in the support frame, the cooling mechanism is located at the rear end of the welding mechanism, a welding and milling mechanism is installed in the support frame, and the welding and milling mechanism is located between the support frame and the cooling mechanism; the welding mechanism comprises a driving motor, a driving shaft, a stirring head and a first gear. The present application solves the problem of welding heat dissipation by setting the cooling mechanism, guarantees the joint quality and tool life, realizes effective steel fixation and convenient operation through the fixing assembly, improves the equipment compatibility, machining precision, operation convenience and product quality, and improves the welding stability, reliability and production efficiency as a whole, reduces the cost and risk, and has significant comprehensive advantages.