Machine body heat dissipation device of explosion-proof diesel engine caterpillar band transport vehicle

By integrating a cooling system consisting of a cooling water tank, water pump, return pump, air cooler, and radiator into an explosion-proof diesel engine tracked transport vehicle, and combining natural air cooling and cold air cooling, the problem of insufficient heat dissipation of diesel engines in high-temperature environments is solved, achieving efficient heat dissipation and convenient device maintenance.

CN223608633UActive Publication Date: 2025-11-28PINGDINGSHAN TIANCHENG MINING ENG EQUIP CO LTD
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Patent Information

Application Number
CN202423262064.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-28
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing cooling system of explosion-proof diesel engine tracked transport vehicles is not effective in high-temperature environments, resulting in insufficient heat dissipation of the diesel engine and affecting its stable operation.

Method used

The cooling system consists of a cooling water tank, an outlet water pump, a return water pump, a cooler, an air pump, and a radiator. It uses a combination of natural air cooling and a cooler to cool the cooling water in two ways. It uses heat pipes and heat dissipation fins to accelerate heat dissipation and automatically switches between air cooling and cold air cooling modes according to the ambient temperature.

Benefits of technology

It achieves efficient cooling of cooling water in high-temperature environments, ensuring stable operation of diesel engines, significantly improving heat dissipation, and the device structure is easy to disassemble and install, making it convenient to replace the radiator.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223608633U_ABST
Patent Text Reader

Abstract

The utility model relates to an explosion-proof diesel engine crawler transport vehicle body heat dissipation device which comprises a diesel engine and a cooling system, and the cooling system comprises a cooling water tank arranged on the outer top of the diesel engine, a water outlet pump arranged on a vehicle seat on one side of the diesel engine, an air distribution tank, a heat dissipation device and a water return pump. A cooling water tank water outlet is communicated with an inlet of a cooling pipeline in the diesel engine, a water outlet pump water inlet is communicated with a cooling pipeline outlet, a water return pump water outlet is communicated with a cooling water tank water return port, an air cooler and a sucking pump are arranged on one side of an air distribution tank, and the other side of the air distribution tank is communicated with a plurality of spray heads. The radiator comprises a plurality of spiral heat conduction pipes, heat dissipation fins are evenly distributed on the outer sides of the heat conduction pipes, and heat exchange pipes are arranged on the inner sides of the heat conduction pipes in a sleeved mode. According to the utility model, effective cold air cooling and heat dissipation of the heated cooling water can be realized, and the device is more practical.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anti -explosion diesel engine caterpillar transport car, concretely relates to a kind of anti -explosion diesel engine caterpillar transport car body heat abstractor. BACKGROUND

[0002] ‌Anti -explosion diesel engine caterpillar transport car is a kind of coal mine auxiliary transport equipment with diesel engine driven variable hydraulic pump, through high-pressure rubber pipe transmission to hydraulic motor driven wheel rotation, and then make locomotive travel, with fast speed, comfortable and safe and the outstanding advantages of large loading quality, it is the main vehicle type of high-performance auxiliary transport suitable for modern coal mine.

[0003] At present, the diesel engine used on the existing caterpillar transport car is mainly water-cooled diesel engine, and the cooling system of this diesel engine is usually composed of cooling water tank, water pump, radiator, fan, thermostat and the like, cooling water in the cooling water tank is sucked into the diesel engine to flow along a certain route under the action of water pump, absorbs and removes the heat generated by machine parts, and then flows out to the radiator, the heat is dissipated to the air by the action of fan, and then backflows to the cooling water tank, to form a cycle, so that the working temperature of the diesel engine is kept within a certain range. But in actual use, only the fan is used to naturally air-cool the heated cooling water, the effect is relatively limited, especially when the external environment temperature is high, the cooling effect is poorer, and then the cooling water has poor cooling and heat dissipation effect on the diesel engine, which is not conducive to the stable work of the diesel engine, and needs to be improved. CONTENT OF UTILITY MODEL

[0004] Therefore, the utility model aims at providing a kind of anti -explosion diesel engine caterpillar transport car body heat abstractor, which can effectively cool the heated cooling water, to solve the above problems.

[0005] In order to achieve the above object, the utility model adopts the technical scheme: a kind of explosion-proof diesel engine tracked carrier body heat sink, including diesel engine and cooling system being located on seat, the cooling system includes cooling water tank being located on the top of diesel engine, water outlet pump being located on the seat of one side of diesel engine, air distribution tank, radiator and backwater pump being located on the side of cooling water tank, temperature table is equipped on the cooling water tank, the water outlet of cooling water tank is connected with the inlet of cooling pipeline being located in the inside of diesel engine by water inlet pipeline with first electromagnetic valve, the water inlet of water outlet pump is connected with the outlet of cooling pipeline in the inside of diesel engine by water outlet pipeline, and first hose is communicated on the water outlet, the water inlet of backwater pump is communicated with second hose, and the water outlet is communicated with backwater outlet of cooling water tank by backwater pipeline, air distribution tank is equipped with air cooler and air suction pump on one side, and the other side is communicated with several spray heads, and third hose is communicated on top, the inlet of air suction pump is communicated with three-way pipe, and outlet is communicated with air distribution tank, second electromagnetic valve is equipped on the other two ports of three-way pipe, and one port is communicated with air outlet of air cooler, the spray head is towards radiator, the radiator is detachably arranged on seat, and it includes several helical heat pipes being spaced and uniformly distributed along front and back direction, several heat dissipation fins are uniformly distributed on the outside of heat pipe, and heat exchange pipe is sleeved on the inside, the bottom end of heat pipe is communicated with same water distribution pipe, and the top end is communicated with same water collecting pipe, the top end of heat exchange pipe is communicated with same gas distribution pipe, and the bottom end is communicated with exhaust pipe, the water distribution pipe is communicated with first hose by first quick connector, the water collecting pipe is communicated with second hose by second quick connector, and the gas distribution pipe is communicated with third hose by third quick connector.

[0006] Preferably, the water collecting pipe is fixedly connected with Z-shaped fixed plate away from the side of air distribution tank, the horizontal portion of the lower part of the fixed plate is abutted on the seat, and a plurality of through holes in rectangular array are formed in the horizontal portion, blind holes are formed in the seat corresponding to the through holes, an inverted L-shaped support plate is fixedly arranged on the seat on one side of the fixed plate, a protection box is fixedly arranged on the horizontal portion of the support plate, a hydraulic cylinder is fixedly arranged in the protection box, a piston rod of the hydraulic cylinder extends downward out of the protection box and is fixedly connected with a limiting plate, a plurality of limiting rods are fixedly arranged on the bottom of the limiting plate, the limiting plate is abutted on the top of the horizontal portion of the lower part of the fixed plate, and the limiting rods correspond to the through holes one by one and are inserted into the corresponding blind holes through the corresponding through holes.

[0007] Preferably, the limiting rods are matched with the corresponding through holes and blind holes.

[0008] Preferably, the cooling water tank is communicated with a water supplement pipe with a water supplement valve.

[0009] Preferably, a one-way valve is arranged on the backwater pipeline.

[0010] Preferably, a thermostat is arranged on the water outlet pipeline.

[0011] The utility model discloses beneficial effect is: in actual use, diesel engine, water pump, backwater pump, temperature table, first electromagnetic valve, air cooler, air pump and second electromagnetic valve all with the electric connection of current vehicle-mounted control system. The temperature of diesel engine is increased after long -term operation, can utilize cooling water tank to cool down and cool down, concretely is: first electromagnetic valve and the second electromagnetic valve on the port of three -way pipe and external communication open, water pump, backwater pump and air pump run, can first cooling water in cooling water tank is sent to the cooling pipeline in diesel engine inside through inlet pipe, utilizes cooling water and the internal device of diesel engine and carries out heat exchange, thereby makes diesel engine cooling, and cooling water is warmed up. Then, the cooling water after warming up can enter the water distribution pipe of radiator in first flexible tube and water outlet pipe, again shunt to each spiral heat conduction pipe through water distribution pipe, utilizes heat conduction pipe and the heat dissipation fin on heat conduction pipe can effectively radiate the heat in cooling water. Simultaneously, air pump can extract external air and send to the air distribution tank, so that a part of air can be sprayed towards radiator through the nozzle on air distribution tank, can directly blow and radiate cooling water from the outside, another part of air can enter the gas distribution pipe in third flexible tube, again shunt to each heat exchange pipe through gas distribution pipe and flow from top to bottom, thereby can with the cooling water in the spiral heat conduction pipe on the outside of heat exchange pipe that flow from bottom to top effectively heat exchange, and the air after heat exchange is discharged through exhaust pipe. With this, can simultaneously effectively natural air cooling cooling water from the outside and center of cooling water after warming up, and the heat dissipation effect is better. Then, the cooling water after recooling can be collected into the water collecting pipe, and then be sent back to the cooling water tank through the second flexible tube and the water return line under the pumping of backwater pump, to form the circulation of cooling water, and realize the effective cooling of diesel engine in cooperation;

[0012] When the effect of natural air cooling cannot meet the actual requirement due to factors such as high external environment temperature, and the temperature of the cooling water monitored by the temperature table received by the vehicle-mounted control system exceeds the set upper limit value, the vehicle-mounted control system can automatically control to start the air cooler and open the second electromagnetic valve corresponding to the air cooler, and close the other second electromagnetic valve, so as to cancel the natural air cooling, change the wind used for cooling the cooling water into the cold wind produced by the air cooler, so as to effectively cool the cooling water from the outside and the center of the cooling water after being heated, and the heat dissipation effect is better than that of natural air cooling, so that the temperature of the cooling water after being cooled again meets the actual requirement, and the effective heat dissipation and cooling of the diesel engine is ensured. When the temperature of the cooling water monitored by the temperature table received by the vehicle-mounted control system is lower than the set lower limit value, the vehicle-mounted control system can automatically control to close the air cooler and the second electromagnetic valve corresponding to the air cooler, and open the other second electromagnetic valve, so as to cancel the cold air cooling, and re-perform the natural air cooling, so as to make the temperature of the cooling water stable and maintained in a suitable range. In summary, through the device, the original natural air cooling heat dissipation effect can be enhanced, and the cold air cooling heat dissipation effect better than the natural air cooling heat dissipation effect can be automatically switched according to the actual situation, the heat dissipation and cooling quality of the diesel engine can be ensured, the stable work of the diesel engine is more favorable, and the device is more practical. In addition, the detachable connection between the radiator and the seat, and the quick release connection between the radiator and the first hose, the second hose and the third hose can flexibly disassemble and replace the radiator when the radiator has a problem, so that the use of the device as a whole is more flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a front view structural schematic diagram of the utility model;

[0014] Fig. 2 is a front view structural schematic diagram of the air distribution box of the utility model;

[0015] Fig. 3 is a front view structural schematic diagram of the radiator of the utility model;

[0016] Fig. 4 is a left view structural schematic diagram of the radiator of the utility model;

[0017] Fig. 5 is a front view structural schematic diagram of the blind hole and the hydraulic cylinder of the utility model;

[0018] Fig. 6 is a front view structural schematic diagram of the fixed plate when being installed on the seat.

[0019] The figure label: 1 is the seat, 2 is the diesel engine, 3 is the cooling water tank, 4 is the water pump, 5 is the air distribution box, 6 is the radiator, 7 is the backwater pump, 8 is the temperature table, 9 is the first electromagnetic valve, 10 is the water inlet pipeline, 11 is the water outlet pipeline, 12 is the first hose, 13 is the second hose, 14 is the backwater pipeline, 15 is the cooling fan, 16 is the air pump, 17 is the nozzle, 18 is the third hose, 19 is the three-way pipe, 20 is the second electromagnetic valve, 21 is the heat pipe, 22 is the heat dissipation fin. 23 is the heat exchange pipe, 24 is the water distribution pipe, 25 is the water collecting pipe, 26 is the air distribution pipe, 27 is the exhaust pipe, 28 is the first quick connector, 29 is the second quick connector, 30 is the third quick connector, 31 is the fixed plate, 32 is the through hole, 33 is the blind hole, 34 is the support plate, 35 is the protection box, 36 is the hydraulic cylinder, 37 is the limiting plate, 38 is the limiting rod, 39 is the water replenishment valve, 40 is the water replenishment pipe, 41 is the check valve, 42 is the thermostat. DETAILED DESCRIPTION

[0020] The utility model will be described further in detail below in combination with the drawings and specific implementation:

[0021] As Figs. 1 to 6As shown, an explosion-proof diesel engine crawler vehicle body heat dissipation device, including a diesel engine 2 and cooling system provided on the seat 1, cooling system including a cooling water tank 3 provided on the top of the diesel engine 2, a water pump 4 provided on one side of the diesel engine 2 on the seat 1, air distribution box 5, radiator 6 and backwater pump 7 provided on one side of the cooling water tank 3. The cooling water tank 3 is provided with a temperature gauge 8, the outlet of the cooling water tank 3 is communicated with the inlet of the cooling pipe in the diesel engine 2 through the water inlet pipe 10 with the first electromagnetic valve 9, the water inlet of the water pump 4 is communicated with the outlet of the cooling pipe in the diesel engine 2 through the water outlet pipe 11, the water outlet is communicated with the first hose 12, the water inlet of the backwater pump 7 is communicated with the second hose 13, the water outlet is communicated with the backwater outlet of the cooling water tank 3 through the backwater pipe 14. One side of the air distribution box 5 is provided with a cooling fan 15 and an air suction pump 16, the other side is communicated with a plurality of evenly distributed spray heads 17, the top is communicated with a third hose 18, the inlet of the air suction pump 16 is communicated with a three-way pipe 19, the outlet is communicated with the air distribution box 5, the other two ports of the three-way pipe 19 are provided with the second electromagnetic valve 20 and one of the ports is communicated with the air outlet of the cooling fan 15, the spray head 17 is directed to the radiator 6. The radiator 6 is detachably provided on the seat 1 and comprises a plurality of helical heat pipes 21 spaced and evenly distributed along the front and rear directions, a plurality of heat dissipation fins 22 are evenly distributed on the outer side of the heat pipe 21, a heat exchange pipe 23 is sleeved on the inner side of the heat pipe 21, the bottom end of the heat pipe 21 is communicated with the same water distribution pipe 24, the top end is communicated with the same water collecting pipe 25, the top end of the heat exchange pipe 23 is communicated with the same gas distribution pipe 26, the bottom end is communicated with the exhaust pipe 27, the water distribution pipe 24 is communicated with the first hose 12 through the first quick connector 28, the water collecting pipe 25 is communicated with the second hose 13 through the second quick connector 29, the gas distribution pipe 26 is communicated with the third hose 18 through the third quick connector 30;

[0022] In actual use, the diesel engine 2, the water outlet pump 4, the water return pump 7, the temperature meter 8, the first electromagnetic valve 9, the cooling fan 15, the air suction pump 16 and the second electromagnetic valve 20 are electrically connected with the existing vehicle-mounted control system, and these devices can be realized by using the existing technology. After the diesel engine 2 is operated for a long time, the temperature of the diesel engine 2 is increased, and the cooling water tank 3 can be used to cool and lower the temperature of the diesel engine 2. Specifically, the first electromagnetic valve 9 and the second electromagnetic valve 20 on the port of the three-way pipe 19 are opened, the water outlet pump 4, the water return pump 7 and the air suction pump 16 are operated, the cooling water in the cooling water tank 3 is first pumped into the cooling pipeline in the diesel engine 2 through the water inlet pipeline 10, the cooling water is used to exchange heat with the internal devices of the diesel engine 2, so that the diesel engine 2 is cooled and the cooling water is heated. Then, the heated cooling water can enter the water distribution pipe 24 of the radiator 6 through the water outlet pipeline 11 and the first hose 12, and then be distributed to each spiral heat conduction pipe 21 through the water distribution pipe 24, so that the heat in the cooling water can be effectively dissipated through the heat conduction pipe 21 and the heat dissipation fins 22 on the heat conduction pipe 21. At the same time, the air suction pump 16 can suck external air and send it to the air distribution tank 5, so that part of the air can be sprayed towards the radiator 6 through the spray head 17 on the air distribution tank 5, so that the cooling water can be directly blown and cooled from the outside, and the other part of the air can enter the air distribution pipe 26 through the third hose 18, and then be distributed to each heat exchange pipe 23 through the air distribution pipe 26 and flow from top to bottom, so that the air can effectively exchange heat with the cooling water in the spiral heat conduction pipe 21 flowing from bottom to top outside the heat exchange pipe 23, and the air after heat exchange is discharged through the air outlet pipe 27. In this way, the cooling water can be effectively and naturally air-cooled from the outside and the center, and the cooling effect is better. Then, the cooling water after being cooled again can be collected in the water collecting pipe 25, and then be sent back to the cooling water tank 3 through the second hose 13 and the water return pipeline 14 under the pumping of the water return pump 7, so as to form a circulation of the cooling water, and realize effective cooling of the diesel engine 2.

[0023] When the effect of natural air cooling cannot meet the actual needs due to factors such as high external environment temperature, and the temperature of the cooling water monitored by the temperature gauge 8 received by the vehicle-mounted control system exceeds the set upper limit value, the vehicle-mounted control system can automatically control the starting of the air cooler 15 and the opening of the second electromagnetic valve 20 corresponding to the air cooler 15, and the closing of the other second electromagnetic valve 20, so as to cancel the natural air cooling, change the wind used for cooling the cooling water into the cold wind produced by the air cooler 15, so as to effectively cool the cooling water from the outside and the center of the cooling water after being heated, and the heat dissipation effect is better than that of natural air cooling, so as to make the temperature of the cooling water after being cooled again meet the actual needs, and ensure the effective heat dissipation and cooling of the diesel engine 2. When the temperature of the cooling water monitored by the temperature gauge 8 received by the vehicle-mounted control system is lower than the set lower limit value, the vehicle-mounted control system can automatically control the closing of the air cooler 15 and the second electromagnetic valve 20 corresponding to the air cooler 15, and the opening of the other second electromagnetic valve 20, so as to cancel the cold air cooling, and re-perform the natural air cooling, so as to make the temperature of the cooling water stable and maintained in a suitable range. In summary, through the device, the original natural air cooling heat dissipation effect can be enhanced, and the cold air cooling heat dissipation effect better than the natural air cooling effect can be automatically switched according to the actual situation, the heat dissipation and cooling quality of the diesel engine 2 can be better guaranteed, the stable work of the diesel engine 2 is more conducive, and the device is more practical. In addition, the detachable connection between the radiator 6 and the vehicle seat 1, combined with the quick release connection between the radiator 6 and the first hose 12, the second hose 13 and the third hose 18, can flexibly disassemble and replace the radiator 6 when the radiator 6 has a problem, so that the use of the device as a whole is more flexible and convenient.

[0024] In the embodiment, the water collecting pipe 25 is fixedly connected with a Z-shaped fixed plate 31 away from one side of the air distribution box 5, the lower horizontal part of the fixed plate 31 abuts on the vehicle seat 1 and a plurality of through holes 32 in a rectangular array are formed in the upper part of the lower horizontal part of the fixed plate 31, blind holes 33 are formed in the vehicle seat 1 corresponding to the through holes 32, a reverse L-shaped support plate 34 is fixedly arranged on the vehicle seat 1 at one side of the fixed plate 31, a protection box 35 is vertically fixedly arranged on the horizontal part of the support plate 34, a hydraulic cylinder 36 is fixedly arranged in the protection box 35, the piston rod of the hydraulic cylinder 36 extends downward out of the protection box 35 and is fixedly connected with a limiting plate 37, a plurality of limiting rods 38 are fixedly arranged on the bottom of the limiting plate 37, the limiting plate 37 abuts on the top of the lower horizontal part of the fixed plate 31, and the limiting rods 38 correspond to the through holes 32 one by one and are inserted into the corresponding blind holes 33 through the corresponding through holes 32, so that when the radiator 6 needs to be replaced, the connection between the corresponding soft pipe and the corresponding pipeline can be disconnected through the corresponding quick connector in the shutdown state, the hydraulic cylinder 36 is operated to make the piston rod thereof retract, the limiting plate 37 is driven to move upward, and the limiting rods 38 are extracted until the limiting plate 37 is extracted, the insertion and fixation of the lower horizontal part of the fixed plate 31 are released, then the fixed plate 31 is removed from the vehicle seat 1 along the front-rear direction, and the new radiator 6 is fixedly arranged on the vehicle seat 1 along the front-rear direction, the through holes 32 are aligned with the blind holes 33, the hydraulic cylinder 36 is operated to make the piston rod thereof extend, the limiting plate 37 is driven to move downward, the limiting rods 38 are inserted into the corresponding blind holes 33 through the corresponding through holes 32 until the limiting plate 37 abuts on the lower horizontal part of the fixed plate 31, and the insertion and fixation of the lower horizontal part of the fixed plate 31 are completed, so that the fixation and installation of the radiator 6 are completed. Then, the corresponding soft pipe and the corresponding pipeline are connected through the corresponding quick connector, and the device can be used continuously. In this way, the radiator 6 can be conveniently disassembled and assembled, the radiator 6 can be flexibly replaced when the radiator 6 has a problem, and the use of the device as a whole is more flexible and convenient.

[0025] In the embodiment, the limiting rods 38 are matched with the through holes 32 and the blind holes 33, so that the limiting rods 38 are smoothly inserted into position.

[0026] In the embodiment, the cooling water tank 3 is communicated with a water supplement pipe 40 provided with a water supplement valve 39, so as to supplement cooling water to the cooling water tank 3.

[0027] In the embodiment, the water return pipeline 14 is provided with a one-way valve 41 to avoid the backflow of cooling water.

[0028] In the embodiment, the water outlet pipeline 11 is provided with a thermostat 42 to automatically adjust the water amount entering the radiator 6 according to the temperature of the cooling water, which can be achieved by using the prior art.

[0029] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heat dissipation device for the body of an explosion-proof diesel engine caterpillar vehicle, comprising a diesel engine and a cooling system arranged on the vehicle seat, characterized in that, The cooling system includes a coolant tank located on the top of the diesel engine, a water pump located on the side of the vehicle seat next to the diesel engine, an air distribution box, a radiator, and a return pump located on the side of the coolant tank. The coolant tank is equipped with a temperature gauge. The outlet of the coolant tank is connected to the inlet of a cooling pipe inside the diesel engine via an inlet pipe equipped with a first solenoid valve. The inlet of the water pump is connected to the outlet of the cooling pipe inside the diesel engine via an outlet pipe, and a first flexible hose is connected to the outlet. The inlet of the return pump is connected to a second flexible hose, and its outlet is connected to the return outlet of the coolant tank via a return pipe. A cooling fan and an air extraction pump are located on one side of the air distribution box, several evenly distributed nozzles are connected to the other side, and a third flexible hose is connected to the top. The air extraction pump... The inlet is connected to a three-way pipe, and the outlet is connected to the air distribution box. The other two ports of the three-way pipe are equipped with second solenoid valves, and one port is connected to the air outlet of the air cooler. The nozzle faces the radiator, which is detachably mounted on the seat and includes several spiral heat-conducting pipes evenly spaced along the front-rear direction. Several heat dissipation fins are evenly distributed on the outer side of the heat-conducting pipes, and heat exchange pipes are fitted on the inner side. The bottom end of the heat-conducting pipe is connected to the same water distribution pipe, and the top end is connected to the same water collection pipe. The top end of the heat exchange pipe is connected to the same air distribution pipe, and the bottom end is connected to an exhaust pipe. The water distribution pipe is connected to the first hose through a first quick connector, the water collection pipe is connected to the second hose through a second quick connector, and the air distribution pipe is connected to the third hose through a third quick connector.

2. The explosion-proof diesel engine crawler carrier body heat dissipation device according to claim 1, characterized in that, A Z-shaped fixing plate is fixedly connected to the side of the water collection pipe away from the air distribution box. The horizontal part of the lower part of the fixing plate abuts against the seat and has several through holes evenly distributed in a rectangular array. Blind holes are opened on the seat corresponding to the through holes. An inverted L-shaped support plate is fixedly installed on the seat on one side of the fixing plate. A protective box is vertically fixed on the horizontal part of the support plate. A hydraulic cylinder is fixedly installed inside the protective box. The piston rod of the hydraulic cylinder extends downward out of the protective box and is fixedly connected to a limit plate. Several limit rods are fixedly installed on the bottom of the limit plate. The limit plate abuts against the top of the horizontal part of the lower part of the fixing plate. The limit rods correspond one-to-one with the through holes and are inserted into the corresponding blind holes through the corresponding through holes.

3. The explosion-proof diesel engine crawler carrier body heat dissipation device according to claim 2, characterized in that, The limiting rod is adapted to the corresponding through hole and blind hole.

4. The flame-proof diesel engine crawler carrier body heat sink device according to claim 1, characterized in that, The cooling water tank is connected to a water supply pipe with a water supply valve.

5. The flame-proof diesel engine crawler carrier body heat sink device of claim 1, wherein, A one-way valve is installed on the return water pipeline.

6. The flame-proof diesel engine crawler carrier body heat sink device of claim 1, wherein, A thermostat is installed on the water outlet pipe.