40results about How to "Realize cooling down" patented technology

The invention discloses a fabric dyeing and drying all-in-one machine for textile production. The machine comprises a dyeing box and a drying box, wherein a connecting piece is arranged in the dyeingbox, a movable rod is arranged on a connecting frame, and a spring is arranged on the movable rod in a sleeving mode; an extrusion roller is longitudinally arranged in the connecting frame, and a pressure bearing roller is correspondingly arranged in the dyeing box; the drying box is arranged on the dyeing box, and two groups of upper and lower heat conducting rollers are arranged at intervals; afirst connecting pipe is vertically arranged on the drying box and located between the two heat conduction rollers in the same group, second connecting pipes are arranged on the two sides of the firstconnecting pipe, and a hot air conveying pipe is arranged on the first connecting pipe; a cavity is formed in an air distribution plate, the air distribution plate communicates with the second connecting pipes, an air spraying piece is arranged on the air distribution plate, and the air spraying direction of the air spraying piece faces a fabric; and an ironing cooling box is arranged on the drying box. The machine is simple to operate, has multiple functions, integrates the functions of dust removal, dyeing, drying, ironing and shaping and cooling, has an excellent use effect and is suitablefor popularization and application.

The invention relates to a cabinet and a server cooling device. The server cooling device comprises a fog cooling bin, an atomizer and an in-bin heat exchanger. The fog cooling bin is provided with asealing cavity used for containing all or part of a server, and the sealing cavity is further used for storing a cooling working medium; the atomizer is located in the fog cooling bin and used for atomizing the cooling working medium to enable the atomized cooling working medium to cool the server, and the in-bin heat exchanger is arranged in the fog cooling bin and used for cooling the cooling working medium in the fog cooling bin. The server is cooled through the atomized cooling working medium; compared with a spraying cooling mode in the prior art, the atomized cooling working medium has better diffusivity, the heat dissipation and cooling of the upward, horizontal and downward outer surfaces of the heating part in the sealed cavity can be achieved, the cooling uniformity of the servercooling device can be improved, the server cooling device can adapt to installation modes of various servers, and the server cooling device has good adaptability.

The invention discloses an internal self-heat-dissipation structure of a new energy automobile charging pile. The internal self-heat-dissipation structure comprises a shell, a storage battery which isarranged in the shell, an electric wire which is connected with the storage battery and extends to the outer side of the shell, a charging gun head which is connected with the output end of the electric wire, and a hanging rod which is arranged on the outer side of the shell and used for hanging the charging gun head; wherein the upper end of the shell is fixedly connected with a box body; cooling liquid is contained in the box body, a communicating cavity is formed in the shell, an annular pipe is fixedly connected to the inner side wall of the shell, a conveying mechanism and a receiving mechanism which extend into the communicating cavity are arranged in the box body, and a plurality of first heat dissipation mechanisms which extend into the annular pipe are arranged in the communicating cavity. The internal self-heat-dissipation structure is reasonable in structural design, a storage battery in a charging pile can be fully cooled, the short circuit phenomenon caused by the too high internal temperature of the storage battery is avoided, and then normal operation of the charging pile is guaranteed.

The invention provides a cooling analgesia device. The cooling analgesia device comprises a transparent plastic container which is composed of a container body, a container cover, a handle and a waterproof plug, the container body is connected with the container cover in a threaded mode, the handle is located on one side of the container body, the handle is internally provided with two cooling fluid channels used for being directly communicated with a tail-end solution pool, the waterproof plug is matched with the cooling fluid channels for use and used for plugging the cooling fluid channels, the tail-end solution pool is a concentric annular space in the container body, and the space is used for storing cooling fluid or ice blocks. The cooling analgesia device can further comprise a cooling circulatory system used for reducing and relieving heat injuries in laser treatment of the department of stomatology.

The invention discloses a vertical type linear cutting machine tool and a using method thereof, and belongs to the technical field of linear cutting machine tools. The vertical type linear cutting machine tool comprises a base, a supporting column is fixedly connected to one side of the upper end of the base, a transverse rod is fixedly connected to the upper end of the supporting column, a pay-off wheel and a take-up wheel are symmetrically and rotationally connected into the supporting column, wire grooves are formed in the base and the transverse rod, conducting wires are connected into thewire grooves, the two ends of each conducting wire are connected with the pay-off wheel and the take-up wheel respectively, fixing cylinders are fixedly connected into the wire grooves, telescopic rods are connected into the fixing cylinders in a sliding mode, and the telescopic rods are sleeved with reset springs. According to the vertical type linear cutting machine tool, through a liquid tank,a liquid suction cavity, a liquid suction pipe, a liquid discharging pipe, a U-shaped pipe and a liquid outlet pipe, the effect that cooling is carried out on the conducting wires is achieved, meanwhile, sweeps in the working process are taken away; and through a rotating plate, a driven shaft, a first filter screen and a second filter screen, the effect that filtration and collection are carriedout on the sweeps is achieved.

The invention discloses a tool structure suitable for intelligent welding of vehicle trim parts. The tool structure comprises a console, a first hydraulic cylinder, a bearing plate, a second hydrauliccylinder, a fastening block, a third hydraulic cylinder, a movable block, a fourth hydraulic cylinder, a welder and a controller. The tool structure is characterized in that the console is arranged on a bracket; a slide rod is arranged between a vertical plate and a vertical plate; the first hydraulic cylinder is arranged on a positioning plate; a first slide block and a fixed plate are arrangedon the bearing plate; the second hydraulic cylinder is arranged on the fixed plate; the fastening block is arranged on a second piston rod; and the third hydraulic cylinder is arranged on the verticalplate. The direction of the first hydraulic cylinder and a first piston rod pushing the bearing plate is perpendicular to the direction of the third hydraulic cylinder and a third piston rod pushingthe movable block, so that the vehicle trim parts and the welder can relatively move in the welding process, the vehicle trim parts can be welded in different positions, the welding quality of the vehicle trim parts is improved, and the application range of the welding tool structure is widened.

The invention discloses cooling equipment for a box-type substation, and the box-type substation. The cooling equipment comprises a cooling box, the interior of the cooling box is connected with a water inlet device, cooling fins are further arranged in the cooling box, grooves used for installing first filter screens are formed in the two sides of the left end of the cooling box respectively, sliding structures are arranged on the two sides of the cooling box respectively, fans are further arranged on the two sides of the interior of the cooling box respectively, supporting seats are arranged at the bottoms of the fans, sliding devices are connected to the lower ends of the supporting seats, and the lower ends of the sliding devices are located at the bottom end of the interior of the cooling box. The structure of an existing box-type substation cooling device is changed, water cooling and air cooling are carried out through arrangement of the cooling box, the cooling fins are further arranged and matched with the cooling water pipe, the cooling effect is better, internal gas circulation is adopted in the whole device, heat is continuously taken away through gas circulation, and cooling of the box-type substation is achieved.

The invention belongs to the technical field of vamp processing, and aims to solve the problems that at present, after hot press molding, the temperatures of the surfaces of a vamp and a bearing plate are high, operators are easily scalded in the taking-out process, the vamp is inconvenient to take down, the vamp is easily adhered to the bearing plate due to hot press molding, and the vamp taking-out difficulty is further increased. The vamp hot press molding equipment comprises a fixing box, a pressing plate assembly and a bearing plate, a lifting air cylinder is installed at the bottom of a top plate, the bottom end of the lifting air cylinder is connected with a connecting base, the pressing plate assembly is installed at the bottom of the connecting base, a cooling table is installed at the top of the fixing box, a containing groove is formed in the cooling table, the bearing plate is located in the containing groove, and a groove is formed in the bearing plate. According to the vamp hot press molding equipment, the vamp can be rapidly cooled, harm to operators in the taking-out process is avoided, the vamp can be jacked up so that the vamp can be separated from the bearing plate, and the operators can take down the vamp conveniently.

The invention belongs to the technical field of waste gas treatment and particularly relates to an industrial waste gas treatment method. A heat exchanger used in the method comprises a left casing, aright casing and heat exchange partition plates, wherein the left casing and the right casing are mounted together in a mutually-staggered manner; the heat exchange partition plates are arranged in acavity formed by rectangular grooves of the left casing and rectangular grooves of the right casing; the positions of turning circular arcs at the left end of the heat exchange partition plate are hinged to the side walls of the rectangular grooves of the left casing through rotating shafts, and the positions of turning circular arcs at the right end of the heat exchange partition plate are hinged to the side walls of the rectangular grooves of the right casing through rotating shafts. The industrial waste gas treatment method provided by the invention has the benefits that as the heat exchange partition plate is arranged in the cavity formed by the rectangular grooves of the left casing and the rectangular grooves of the right casing, the heat exchange between two liquids on the two sides of the heat exchange partition plate through the heat exchange partition plates is realized, an industrial circulating solution is cooled, and the industrial circulating solution and cooling water after the end of heat exchange are discharged from through holes in the upper end of the right casing.

The invention relates to a cooling system for a marine diesel engine. The cooling system comprises a cooling water tank, a water-saving funnel and a heat exchanger; the water-saving funnel are fixedlyinstalled at the top part of the cooling water tank; two ends of the heat exchanger are provided with a water inlet and a water outlet respectively, wherein the water inlet end and the water outlet end penetrate through the water-saving funnel upwards, so that the heat exchanger is fixedly positioned in cooling fresh water inside the cooling water tank; and the water inlet of the heat exchanger is connected with a seawater inlet pipe, and the water outlet is connected with a seawater outlet pipe. According to the cooling system, the heat exchanger is arranged in the cooling water tank of thediesel engine, rich seawater resources in offshore operation of ships are further utilized, so that the fresh water for the cooling system of the diesel engine is cooled, and therefore the problem that consumption of the fresh water for the marine diesel engine is large is solved; and meanwhile, the problems that an inner cavity of the diesel engine is easy to rust and is short in service life dueto the fact that seawater is directly used for replacing fresh water to enter the cooling system of the diesel engine are solved.

The invention relates to a generator for converting air power into electric energy, comprising a fan, a wind driven generator and an air channel. The fan and the wind driven generator are sequentially located in the air channel, and the front surface of the wind driven generator faces to the coming direction of airflow in the air channel; the air channel is a full-close cyclic air channel or half-close air channel with two opened ends. When the air channel is the cyclic air channel, a square space is formed between the external wall and the internal wall of the air channel, the external wall of the air channel is provided with an air exchange inlet and an air exchange outlet of a synchronous switch arranged on one side of the air channel, wherein the air exchange inlet and the air exchange outlet are communicated with the air channel, the exterior of the air channel is provided with a water cooling layer with a water circulating inlet and a water circulating outlet. When the air channel has two opened ends, an n-shaped distribution space is formed between the external wall and the internal wall of the air channel; and the fan is connected with a power supplying end of an accumulator and an outside power source, and the wind driven generator is connected with the power storing end of the accumulator. The invention has convenient installation, wide application environment, controllable airflow, environment protection, low noise, safety and stability.

The invention discloses a split type camera water cooling device for visual inspection in the industrial field, which relates to the technical field of machine visual inspection. The split type camerawater cooling device comprises at least two water cooling shells, and the water cooling shells are used for being attached to the periphery of a camera; water cooling channels are formed in the watercooling shells, and the water cooling shells communicate with one another through connecting pipes so that cooling water can circulate among the water cooling shells. According to the split type camera water cooling device provided by the invention, cooling water circulates among the water cooling shells, so that the peripheral environment of the camera is cooled; the split structure is adopted,the structure is simple, assembling and disassembling are convenient, attachment of the inner wall of the cooling shell and the outer wall of the camera is fully considered, the cooling effect is good, the problem that the camera cannot be normally used due to the too high temperature of the working environment can be effectively solved, and practicability is high.

The invention relates to the technical field of transformers, and discloses an oil-immersed transformer cooling device. The oil-immersed transformer cooling device comprises an oil tank, two corrugated sheet sets and a cooling assembly, wherein a cooling liquid inlet and a cooling liquid outlet are formed in a tank body of the oil tank, the two corrugated sheet sets are arranged on the two opposite side walls of the oil tank respectively, each corrugated sheet set comprises a plurality of corrugated sheets, the corrugated sheets on the same side are arranged at intervals and in parallel and are communicated with an inner cavity of the oil tank, the cooling assembly comprises a plurality of cooling pipes, cooling liquid circulates in the cooling pipes, the multiple cooling pipes are arranged in the multiple corrugated sheets in a one-to-one correspondence mode, and the two ends of each cooling pipe communicate with a cooling liquid inlet and a cooling liquid outlet in oil correspondingly. The oil-immersed transformer cooling device is compact in structure, small in occupied area and high in heat dissipation efficiency.

The invention discloses a water-cooled flange with an embedded circulating water path. The water-cooled flange comprises a cylindrical flange with an annular water tank cavity and a cylindrical water cover with which the cylindrical flange is covered, wherein the inner ring of the cylindrical flange is connected with a flange sleeve; a cylindrical cavity formed in the flange sleeve is connected with the annular water tank cavity in a penetrating mode; the flange sleeve and the cylindrical flange are coaxially arranged; one end of the cylinder flange is connected with a water inlet in a penetrating mode; the other end of the cylinder flange is connected with a water outlet in a penetrating mode; and water flowing through the water inlet flows out through the cylindrical flange, the cylindrical water cover and the water outlet, so that water cooling is achieved.

The invention discloses a glass steel forming hydraulic machine single-side tearing micro die sinking device, and relates to the technical field of hydraulic machines. A bottom plate, a base fixedly connected to one side of the top of the bottom plate and a control box fixedly connected to the other side of the top of the bottom plate are included, and a die sinking mechanism is fixedly connectedto the top of the base. The die sinking mechanism comprises a fixing plate and a top plate. The bottom of the fixing plate is fixedly connected with the top of the base. The top of the fixing plate isfixedly connected with a lower die. The bottom of the top plate is fixedly connected with an upper die. By means of the glass steel forming hydraulic machine single-side tearing micro die sinking device, when glass steel needs to be subjected to die sinking during curing forming, the single side of the upper die can be subjected to micro die sinking through jacking of a first hydraulic cylinder,a crack is formed in the upper die through tearing during jacking, outside air enters the die, then, a second hydraulic cylinder is used for controlling the upper die for upward die sinking, the upward jacking pressure of the second hydraulic cylinder is reduced, and rapid die sinking is achieved.

The invention discloses shaft sleeve inner wall grinding equipment. The shaft sleeve inner wall grinding equipment comprises a machine body, a working cavity is formed in the machine body, a feeding opening communicating with the outside of the machine body is formed in the left side wall of the working cavity, a discharging opening communicating with the outside of the machine body is formed in the right side wall of the working cavity, a first auxiliary board is fixedly arranged on the right side wall of the working cavity, a transmission cavity is formed in the working cavity, and the transmission cavity is located at the left corner of the working cavity. The shaft sleeve inner wall grinding equipment is simple and convenient to operate and is low in manufacturing cost, automatic feeding can be realized through the moving of a conveying block and the clearance rotation of an auxiliary block, when a grinding block grinds the inner diameter of a shaft sleeve, a double-end spray nozzle sprays cooling liquid on the grinding surface, cooling is realized, and automatic discharging can further be realized by moving a push rod.

The invention discloses a water cooling unit integrating a mist spraying function. Under the heat exchange form of an original cooling tower of the water cooling unit, a mist spraying module is additionally arranged, water mist sprayed out by the mist spraying module is evaporated easily, thus surrounding air is cooled, the cooled air exchanges heat with sprinkling water sprayed out by a water spraying module, and the cooling heat exchange efficiency is improved better. An inlet of the mist spraying module is connected to the outlet side of a water pump, thus the mist spraying module can achieve the mist spraying function by utilizing the pressure difference value between the water side inlet of a first water cooling heat exchanger and a water cooling pipeline, outside pressure is not needed, design is ingenious, and the water cooling unit is applied to the technical field of refrigerating.

The invention discloses a plastic mold for producing a mobile phone power adapter and a production process. The plastic mold comprises an injection mold body, a vibration disc, a rotating disc, a mold drawing plate and a connecting crawler belt, the upper end and the lower end of the injection mold body are fixedly connected with a fixed top plate and a fixed bottom plate correspondingly, and an open groove is formed in the fixed bottom plate. The connecting crawler belt is arranged in the open groove, a driving gear and a driven gear are arranged on the two sides of the interior of the connecting crawler belt correspondingly, a connecting belt is arranged on the surface of the driving gear, and the other end of the connecting belt is in transmission connection with a first driving motor. The vibration disc can be driven to rotate through the motor, so that a vibration head on the surface of the vibration disc makes contact with a vibration plate, the vibration plate vibrates up and down, through the arrangement of the vibrating plate and a vibrating rod, the vibrating plate can drive the vibrating rod to vibrate up and down in a reciprocating mode, the vibrating rod vibrates up and down on plastic in a model pipeline, so that the effect that the plastic in the model pipeline is loosened is achieved.

The invention discloses a method for using cooling and ventilation equipment for a box-type substation. A dust removal assembly is fixedly installed on the inner wall of the top side of the cooling box, and a turbo fan located on one side of the cooling box is fixedly installed on the top of the base. It extends into the cooling box and communicates with the dust removal assembly, and a fixing plate is fixedly installed in the cooling box. The invention can realize the cooling and drying of the gas entering into the box of the substation, and can realize uniform jetting after the gas is transported into the box of the substation, so as to realize uniform and rapid cooling of the box of the substation, thus avoiding the need for the box of the substation The temperature in the body is too high, so it has good practicality.

The invention belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger for chemical industry production. The heat exchanger comprises a left shell, a right shelland a heat exchange separating plate, and the right shell and the left shell are installed together in a staggered manner; and the heat exchange separating plate is arranged in a cavity composed of arectangular groove of the left shell and a rectangular groove of the right shell, the left end corner arc position of the heat exchange separating plate is hinged to the side wall of the rectangulargroove of the left shell through a rotating shaft, and the right end corner arc position of the heat exchange separating plate is hinged to the side wall of the rectangular groove of the right shell through a rotating shaft. The heat exchange separating plate is arranged in the cavity composed of the rectangular groove of the left shell and the rectangular groove of the right shell, two kinds of liquid on the two sides of the heat exchange separating plate are subjected to heat exchange through the heat exchange separating plate, an industrial cycle solution is cooled, the industrial cycle solution obtained after heat exchange and cooling water are discharged out from the interior of a through hole in the upper end of the right shell.

The invention discloses a shaft body cooling and heat dissipation device for numerical control machine tool processing, which relates to the field of numerical control machine tools, aiming at increasing the energy consumption of the machine tool when the milling cutter of the existing machine tool is in a high-temperature working state for a long time, affecting the precision of the milling cutter, and cooling A large amount of liquid is used, a large amount of waste liquid is discharged, and the problem of polluting the environment is proposed. The following plan is proposed, including the main body of the machine tool. CNC milling cutter mechanism, the CNC milling cutter mechanism includes a mobile base, a milling cutter body, a cooling and heat dissipation mechanism and a coolant storage device, the milling cutter head of the milling cutter body extends to the inside of the cooling and heat dissipation mechanism to clamp on the fixture The shaft is processed. The invention not only eliminates the high-temperature environment, reduces the high energy consumption burden of the machine tool, but also uses less coolant, can be recycled, reduces the discharge of waste liquid, and achieves the purpose of energy saving and emission reduction.

The invention relates to the technical field of atomization cooling devices, in particular to a water-saving atomization cooling device for castings, which includes a frame body and a pressurized main engine. The surface is provided with conveying rollers, the bottom plate of the frame is provided with a liquid collection enclosure assembly, the top plate of the frame is provided with a water storage tank, and the interior of the water storage tank is provided with a partition; the beneficial effect is: the water-saving casting proposed by the present invention The atomization cooling device adopts the atomization cooling method. The water is pressurized to 6-8Mpa through the pressurization host, and then sent to the atomization nozzle through the high-pressure pipeline, which is atomized into a 5-10um micro-mist and sprayed onto the aluminum products on the surface of the conveyor rack. Above all, the water mist absorbs heat in the air, changes from liquid to gas, increases the humidity of the space, and achieves the purpose of reducing the air temperature, thereby realizing the cooling of aluminum products. Compared with water-cooling immersion, atomization cooling not only Water saving and better cooling uniformity.

The invention discloses an air-conditioning unit with integrated spraying function. A spraying module is set in the spraying heat exchange device. The water mist sprayed from the spraying module is easily evaporated, which can better realize the cooling of the surrounding air. The air exchanges heat with the spray water sprayed by the water spray module, which greatly improves the cooling heat exchange efficiency; and the inlet of the spray module is connected to the outlet side of the water pump, so that the spray module can use the water side inlet of the first water-cooled heat exchanger and the The pressure difference of the cold water pipeline realizes the spraying function without external pressure, and the design is more ingenious. This invention is used in the field of refrigeration technology.

The invention belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger for chemical industry production. The heat exchanger comprises a left shell, a right shelland a heat exchange separating plate, and the right shell and the left shell are installed together in a staggered manner; and the heat exchange separating plate is arranged in a cavity composed of arectangular groove of the left shell and a rectangular groove of the right shell, the left end corner arc position of the heat exchange separating plate is hinged to the side wall of the rectangulargroove of the left shell through a rotating shaft, and the right end corner arc position of the heat exchange separating plate is hinged to the side wall of the rectangular groove of the right shell through a rotating shaft. The heat exchange separating plate is arranged in the cavity composed of the rectangular groove of the left shell and the rectangular groove of the right shell, two kinds of liquid on the two sides of the heat exchange separating plate are subjected to heat exchange through the heat exchange separating plate, an industrial cycle solution is cooled, the industrial cycle solution obtained after heat exchange and cooling water are discharged out from the interior of a through hole in the upper end of the right shell.

The invention discloses a detachable multifunctional mobile power distribution cabinet, which comprises a mobile bearing plate, a cabinet body is fixedly mounted on the mobile bearing plate, a supporting air bag is fixedly mounted in the cabinet body, a supporting plate is fixedly mounted on the supporting air bag, a suction integrated pump is fixedly mounted on the mobile bearing plate, and the suction integrated pump is fixedly mounted on the cabinet body. An air inlet of the suction integrated pump is communicated with an air suction shunting box, an air outlet of the suction integrated pump is communicated with an air inlet shunting box, the position of the supporting plate can be lifted after the air bag is inflated, so that water flow is prevented from making contact with electrical components, the wetting phenomenon is avoided, meanwhile, due to the arrangement of the supporting air bag, vibration caused by the outside can be reduced, and the service life of the electrical components is prolonged. And a fourth mounting box is movably connected to the outer portion of a connecting rod, a fifth turbine fan is fixedly mounted on the outer portion of the connecting rod, the end, away from the air inlet flow dividing box, of a fourth pipe body communicates with the fourth mounting box, and an auxiliary supporting structure is mounted on the outer portion of a roller.

The invention provides a power device used for garbage compression. The power device comprises a fuel tank assembly, a hydraulic valve bank assembly and a power assembly. The fuel tank assembly comprises a fuel tank and an oil pump. The hydraulic valve bank assembly comprises a one-way valve, a first two-position four-way electromagnetic valve, a second two-position four-way electromagnetic valveand a hydraulic control one-way valve. An inlet of the one-way valve communicates with an oil outlet of the oil pump. An outlet of the one-way valve communicates with a P oil port of the first two-position four-way electromagnetic valve and a P oil port of the second two-position four-way electromagnetic valve through an oil inlet pipe. A T oil port of the first two-position four-way electromagnetic valve and a T oil port of the second two-position four-way electromagnetic valve communicate with the fuel tank through a main oil return pipe. A branch oil return pipe is arranged on the main oilreturn pipe. The main oil return pipe and the oil inlet pipe communicate with a two-position two-way electromagnetic valve. An inlet of the hydraulic control one-way valve communicates with the main oil return pipe. The power assembly comprises a push oil cylinder communicating with the first two-position four-way electromagnetic valve. By means of the power device provided by the invention, the operating noise can be lowered, the service life can be prolonged, and the continuous operating stability is guaranteed.

The invention discloses an IGBT module cooling method. The method comprises the following steps: S1, providing an oven which is provided with a cooling cavity; and S2, placing an IGBT module the cooling cavity of the oven, and cooling the IGBT module. According to the IGBT module cooling method, the cooling cavity is additionally formed in the oven, cooling of the IGBT module is achieved, the cooling efficiency is high, and the production efficiency can be improved.

The invention belongs to the technical field of electric vehicles, and particularly relates to an emergency braking mechanism of an electric vehicle brake-by-wire system and a method thereof. The emergency braking mechanism comprises a vehicle chassis, a rotating shaft, wheels and a braking structure; the wheels are connected to the two ends of the rotating shaft; the vehicle chassis is connected with a vehicle frame; the braking structure comprises a first shell, a second shell, an electric cylinder and braking blocks; the first shell is fixedly connected to the side wall of the vehicle chassis, and the top of the first shell penetrates through and is fixedly connected to the second shell. The electric cylinder is fixedly connected to the top of the second shell; the output end of the electric cylinder is fixedly connected with a first rod. The two braking blocks clamp the rotating shaft, so that the rotating shaft stops rotating, and emergency braking is achieved; and meanwhile, the emergency braking mechanism is used in cooperation with an electric vehicle brake pump, the braking efficiency is improved, the problem that after a single braking mechanism is damaged, the braking system completely breaks down is avoided, and the safety performance is improved.