An oil tank integrated side plate for a fuel fork truck

Abstract

The application relates to the field of forklifts, in particular to an oil tank integrated side plate for a fuel forklift, which comprises a tank body, oil outlet pipes and oil inlet pipes are arranged on the top side of the tank body, mounting plates are fixedly arranged on the two sides of the tank body, the mounting plates are used for being connected with the bottom side of the forklift, a heat insulation cover is fixedly arranged on the side, away from the tank body, of the mounting plate, a wind deflector is fixedly arranged on the side, facing the tail of the forklift, of the tank body, the side, close to the tank body, of the wind deflector is fixedly connected with the heat insulation cover, the wind deflector and the heat insulation cover are communicated, a plurality of air outlets are arranged on the side, away from the wind deflector, of the heat insulation cover, radiating fins are fixedly arranged on the side, close to the wind deflector, of the tank body, the radiating fins are arranged in the wind deflector, a mounting hole is arranged on the side, away from the tank body, of the wind deflector, a radiating fan is arranged in the mounting hole, and the radiating fan blows air towards the radiating fins. The application has the effect of reducing the temperature rise of hydraulic oil under the condition of sunlight exposure.

Description

Technical Field

[0001] This application relates to the field of forklifts, and more particularly to an integrated fuel tank side panel for a fuel-powered forklift. Background Technology

[0002] When the hydraulic system of a forklift is working, the temperature of the hydraulic oil rises. Excessive hydraulic oil temperature will accelerate the oxidation of the hydraulic oil, and the seals in the hydraulic system are also prone to damage, thus requiring the hydraulic oil to be cooled down.

[0003] Hydraulic oil is typically cooled by a cooling system installed in the oil tank, which includes a cooling fan and cooling fins. The cooling fins are fixedly mounted on one side of the oil tank, while the cooling fan is fixedly mounted on the side away from the cooling fins. The temperature of the hydraulic oil is transferred to the cooling fins through the oil tank, thereby reducing the oil temperature. The cooling fan blows air onto the cooling fins to dissipate heat.

[0004] Regarding the aforementioned technologies, the inventors believe that oil tanks are generally fixedly installed on the underside of forklifts, and are typically large in size to allow for sufficient heat dissipation of the hydraulic oil. This large size causes the sidewalls of the oil tank to be close to the edge of the forklift's underside. Furthermore, when the forklift operates outdoors, the oil tank is exposed to direct sunlight, causing the temperature of the hydraulic oil inside the tank to rise. Summary of the Invention

[0005] To reduce the temperature rise of hydraulic oil when exposed to direct sunlight, this application provides an integrated side plate for the fuel tank of a fuel-powered forklift.

[0006] This application provides an integrated side panel for the fuel tank of a fuel-powered forklift, employing the following technical solution: An integrated fuel tank side panel for a fuel-powered forklift includes a housing. An oil outlet pipe and an oil inlet pipe are installed on the top side of the housing. Mounting plates are fixedly installed on both sides of the housing for connection to the bottom of the forklift. A heat shield is fixedly installed on the side of the mounting plate away from the housing. An air guide is fixedly installed on the side of the housing facing the rear of the forklift. The side of the air guide near the housing is fixedly connected to the heat shield and communicates with it. Multiple air outlets are provided on the side of the heat shield away from the air guide. A heat sink is fixedly installed on the side of the housing near the air guide, located inside the air guide. An installation port is provided on the side of the air guide away from the housing, and a cooling fan is installed inside the installation port, blowing air towards the heat sink.

[0007] By employing the above technical solution, the heat of the hydraulic oil is transferred from the housing to the heat sink, thereby cooling the hydraulic oil. Then, a cooling fan blows air onto the heat sink, further reducing its temperature. As the cooling fan blows air onto the heat sink, the air enters the heat insulation cover through the air guide and then exits through the air outlet, thus cooling the interior of the heat insulation cover. When exposed to direct sunlight, the heat insulation cover provides insulation; simultaneously, the air blown by the cooling fan cools the interior of the heat insulation cover, thereby reducing the likelihood of the hydraulic oil temperature rising under direct sunlight.

[0008] Optionally, a plurality of first support plates are installed inside the heat insulation cover. The plurality of first support plates are spaced apart from bottom to top, and the first support plates abut against the side of the mounting plate away from the housing.

[0009] By adopting the above technical solution, the first support plate supports the heat insulation cover, thereby reducing the occurrence of dents caused by impacts to the heat insulation cover.

[0010] Optionally, the first support plate is embedded with a water-absorbing strip, the top side of the first support plate is inclined, the heat insulation cover is vertically arranged on the side away from the mounting plate, the bottom end of the main pipe is sealed, multiple sub-pipes are fixedly installed on the body of the main pipe, the sub-pipes are fixedly inserted through the side of the heat insulation cover away from the mounting plate, the sub-pipes are arranged one-to-one with the first support plate, and the end of the sub-pipe away from the main pipe is used to drain water to a high place on the top side of the first support plate.

[0011] By adopting the above technical solution, water is added to the main pipe, and then discharged from the main pipe and sub-pipes to a high point on the top side of the first support plate. The water then flows along the inclined direction of the first support plate, and is then absorbed by the water-absorbing strips. After the water-absorbing strips absorb the water, the water on them gradually evaporates into water vapor, thus facilitating cooling of the interior of the heat insulation cover. Then, the air blown out by the cooling fan carries the water vapor out through the air outlet.

[0012] Optionally, a second support plate and a third support plate are fixedly installed on the side of the mounting plate away from the housing. The second support plate is located below the lower part of the top side of the first support plate, and the third support plate is located below the higher part of the top side of the first support plate. A guide tube is fixedly installed on the second support plate, and a guide rod is fixedly installed on the third support plate. Both the guide tube and the guide rod are vertically arranged. The top ends of the guide tube and the guide rod slide through the first support plate. The bottom end of the guide tube is connected to the end of the sub-tube away from the main tube. A cover plate is installed on the first support plate, and the cover plate is located at the top end of the guide tube. A first drive mechanism is installed on the first support plate, which is used to drive the first support plate to rise and fall.

[0013] By adopting the above technical solution, after the absorbent strip is full of water, the first drive mechanism drives the first support plate to descend. The first support plate then moves the cover plate to cover the top of the water guide pipe, thereby stopping the addition of water to the first support plate. After the water in the absorbent strip evaporates, the first drive mechanism drives the first support plate to rise, thereby moving the cover plate away from the guide pipe, thus facilitating the addition of water to the first support plate.

[0014] Optionally, the first driving mechanism includes a counterweight and two springs, one of which is sleeved on a guide tube and the other spring is sleeved on a guide rod. The springs are used to push the first support plate upward, and the counterweight is fixedly installed on the bottom side of the first support plate.

[0015] By adopting the above technical solution, the counterweight increases the weight of the first support plate. As the amount of water absorbed by the absorbent strip gradually increases, the pressure of the first support plate on the spring increases, thereby causing the first support plate to descend; as the water in the absorbent strip gradually evaporates, the weight of the first support plate gradually decreases, thereby causing the spring to recover its deformation and drive the first support plate to move upward, thus facilitating the lifting and lowering of the first support plate.

[0016] Optionally, the heat insulation cover is equipped with a water storage tank, the height of which is higher than that of the heat insulation cover, and the bottom side of the water storage tank is fixedly connected to the top of the main pipe.

[0017] By adopting the above technical solution, water is heated and stored in a water storage tank. Then, the cover plate is raised and lowered by the first support plate, which facilitates the automatic addition of water from the water storage tank to the first support plate.

[0018] Optionally, a first blocking rod is fixedly installed on the side of the cover plate near the guide tube. The first blocking rod passes through the inside of the guide tube, and the diameter of the first blocking rod gradually increases from bottom to top.

[0019] By adopting the above technical solution, the first blocking rod rises and falls with the cover plate, thereby adjusting the amount of water discharged into the first support plate through the guide pipe by the sub-pipe. This makes it easier to add water to the first support plate at a rate that increases with the rate of water evaporation and decreases when the rate of water evaporation decreases.

[0020] Optionally, a second blocking rod is installed vertically inside the water storage tank. The second blocking rod passes through the main pipe and its diameter gradually increases from bottom to top. A second driving mechanism is installed inside the water storage tank. The second driving mechanism is used to drive the second blocking rod to descend as the water level inside the water storage tank rises and to drive the second blocking rod to rise as the water level inside the water storage tank falls.

[0021] By adopting the above technical solution, when the water level inside the water tank rises, the second drive mechanism drives the second blocking rod to descend, thereby reducing the amount of water discharged from the water tank to the main pipe; when the water level inside the water tank drops, the second drive mechanism drives the second blocking rod to rise, thereby increasing the amount of water discharged from the water tank to the main pipe, thus facilitating the uniform entry of water from the water tank into the main pipe.

[0022] Optionally, the second blocking rod is fitted with a guide sleeve, and a support rod is fixedly installed between the bottom end of the guide sleeve and the inner bottom wall of the water storage tank.

[0023] By adopting the above technical solution, the second blocking rod cooperates with the guide sleeve, thereby facilitating the vertical lifting and lowering of the second blocking rod.

[0024] Optionally, the second driving mechanism includes a support frame, a driving rod, a connecting rod, and a float. The support frame is fixedly installed on the inner bottom wall of the water storage tank. The body of the driving rod is hinged to the top side of the support frame. One end of the driving rod is hinged to the top of the second blocking rod. The other end of the driving rod is hinged to one end of the connecting rod. The other end of the connecting rod is hinged to the float. One side of the float is slidably mounted on the inner side wall of the water storage tank.

[0025] By employing the above technical solution, when the water level in the storage tank drops, the float descends. The float, via a connecting rod, pushes one end of the drive rod downwards. The other end of the drive rod causes the second blocking rod to move upwards, thus achieving the effect of the water level inside the storage tank decreasing and driving the second blocking rod upwards. When the water level in the storage tank rises, the float moves upwards. The float, via a connecting rod, pushes one end of the drive rod upwards. The other end of the drive rod causes the second blocking rod to move downwards, thus achieving the effect of the water level inside the storage tank rising and driving the second blocking rod downwards.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. When exposed to direct sunlight, the heat shield acts as an insulation layer, thereby reducing the temperature rise of the hydraulic oil under direct sunlight. At the same time, the air blown out by the cooling fan enters the heat shield through the air guide, and then the air carries away the heat inside the heat shield before being discharged through the air outlet, thereby further reducing the temperature rise of the hydraulic oil under direct sunlight. 2. Water is absorbed by the absorbent strip and then evaporated to form water vapor, which facilitates cooling of the inside of the heat insulation cover and reduces the possibility of hydraulic oil temperature rising when exposed to sunlight. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application; Figure 2 This is an exploded view of the air guide cover and the housing according to an embodiment of this application; Figure 3 This is a partial structural schematic diagram of an embodiment of this application; Figure 4 This is a schematic diagram of the structure of the first support plate according to an embodiment of this application; Figure 5 This is a schematic diagram of the structure between the mounting plate and the first support plate in an embodiment of this application; Figure 6 yes Figure 5 Enlarged view at point A; Figure 7 This is a cross-sectional view of the water storage tank according to an embodiment of this application; Figure 8 This is a schematic diagram of the structure of the float and dovetail block in an embodiment of this application.

[0028] Explanation of reference numerals in the attached drawings: 1. Housing; 2. Oil inlet pipe; 3. Oil outlet pipe; 4. Mounting plate; 5. Heat insulation cover; 6. Air guide cover; 7. Heat sink; 8. Mounting port; 9. Air outlet; 10. First support plate; 11. Second support plate; 12. Third support plate; 13. Water absorption strip; 14. Water storage tank; 15. Main pipe; 16. Sub-pipe; 17. Guide pipe; 18. Guide rod; 19. Cover plate; 20. First drive mechanism; 201. Counterweight; 202. Spring; 21. Second drive mechanism; 211. Support frame; 212. Drive rod; 213. Connecting rod; 214. Float; 22. First blocking rod; 23. Second blocking rod; 24. Guide sleeve; 25. Support rod; 26. Dovetail block; 27. Dovetail groove; 28. Cooling fan. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0030] This application discloses an integrated side panel for the fuel tank of a fuel-powered forklift.

[0031] Reference Figure 1 An integrated side panel for a fuel tank in a fuel-powered forklift includes a tank body 1, with an inlet pipe 2 and an outlet pipe 3 fixedly installed on the top side of the tank body 1. The tank body 1 is used to store hydraulic oil. When the hydraulic system of the forklift is working, the hydraulic oil is discharged from the outlet pipe 3 and then flows back from the inlet pipe 2.

[0032] Reference Figure 2 Mounting plates 4 are fixedly installed on both sides of the housing 1. The top side of the mounting plate 4 is used to fix and connect to the bottom side of the forklift, so as to facilitate the installation of the housing 1 on the bottom side of the forklift. A heat insulation cover 5 is fixedly installed on the side of the mounting plate 4 away from the housing 1. When exposed to the sun, the heat insulation cover 5 plays a role in heat insulation, thereby reducing the possibility of the hydraulic pressure inside the housing 1 rising in temperature under the sun.

[0033] Reference Figure 1 , Figure 2 A draft shroud 6 is fixedly installed on the side of the housing 1 facing the rear of the forklift. The side of the draft shroud 6 closest to the housing 1 is fixedly connected to a heat insulation cover 5. The draft shroud 6 and the heat insulation cover 5 are in communication. A heat sink 7 is fixedly installed on the side of the housing 1 closest to the draft shroud 6, and the heat sink 7 is located inside the draft shroud 6. An installation port 8 is provided on the side of the draft shroud 6 away from the housing 1. A cooling fan 28 is fixedly installed inside the installation port 8, and the cooling fan 28 blows air towards the heat sink 7. Multiple air outlets 9 are provided on the side of the heat insulation cover 5 away from the draft shroud 6.

[0034] When the forklift's hydraulic system starts working, the heat of the hydraulic oil is dissipated from the housing 1 and transferred to the heat sink 7. The cooling fan 28 is activated, and the air blown by the cooling fan 28 cools the heat sink 7, facilitating the transfer of heat from the hydraulic oil to the heat sink 7. Simultaneously, the air blown by the cooling fan 28 enters the heat shield 5 through the air guide 6, carrying away the heat inside the heat shield 5 before being discharged through the air outlet 9. This facilitates the removal of heat from inside the heat shield 5, thereby reducing the likelihood of the hydraulic oil temperature rising when exposed to direct sunlight.

[0035] Reference Figure 3 The heat insulation cover 5 has multiple first support plates 10 arranged at intervals from bottom to top. The first support plates 10 abut against the side of the mounting plate 4 away from the housing 1, and also abut against the inner wall of the heat insulation cover 5 near the housing 1. The first support plates 10 support the heat insulation cover 5, thereby reducing the possibility of dents caused by impacts.

[0036] Reference Figure 3 , Figure 4 The first support plate 10 is embedded with multiple water-absorbing strips 13. The heat insulation cover 5 is equipped with a water storage tank 14, which is located at a height higher than the heat insulation cover 5. The water storage tank 14 is mounted on a forklift. A main pipe 15 is fixedly mounted on the bottom side of the water storage tank 14, and the main pipe 15 is vertically arranged. The end of the main pipe 15 away from the water storage tank 14 is sealed. Multiple sub-pipes 16 are fixedly mounted on the body of the main pipe 15. The sub-pipes 16 are fixedly installed through the side of the heat insulation cover 5 away from the mounting plate 4, and the sub-pipes 16 are arranged one-to-one with the first support plate 10.

[0037] Reference Figure 3 , Figure 5 The top side of the first support plate 10 is inclined, and the second support plate 11 and the third support plate 12 are fixedly installed on the side of the mounting plate 4 away from the box 1. The second support plate 11 is located below the lower part of the top side of the first support plate 10.

[0038] Reference Figure 5 , Figure 6The second support plate 11 is fixedly equipped with a guide tube 17, and the third support plate 12 is fixedly equipped with a guide rod 18. Both the guide tube 17 and the guide rod 18 are vertically arranged. The top ends of the guide tube 17 and the guide rod 18 slide through the first support plate 10. The bottom end of the guide tube 17 is connected to the end of the sub-tube 16 away from the main tube 15.

[0039] Water is added to the water storage tank 14, and then the water inside the water storage tank 14 flows from the main pipe 15, the sub-pipe 16, and the guide pipe 17 to the highest position on the top side of the first support plate 10. The water flows along the inclined direction of the top side of the first support plate 10, which facilitates the addition of water to the water suction strip 13. After the water suction strip 13 absorbs water, the water on the water suction strip 13 evaporates and absorbs heat to form water vapor. Then the water vapor is discharged from the air outlet 9, thereby reducing the temperature inside the heat insulation cover 5, and thus reducing the occurrence of the hydraulic oil temperature rising when exposed to sunlight.

[0040] Reference Figure 5 , Figure 6 The first support plate 10 is equipped with a cover plate 19, which is located at the top of the guide tube 17. The first support plate 10 is provided with a first drive mechanism 20, which is used to drive the first support plate 10 to rise and fall. The first drive mechanism 20 includes a counterweight 201 and two springs 202. One spring 202 is sleeved on the guide tube 17, and the other spring 202 is sleeved on the guide rod 18. The springs 202 are located below the first support plate 10 and are used to push the first support plate 10 upwards. The counterweight 201 is fixedly installed on the bottom side of the first support plate 10 and is used to increase the weight of the first support plate 10.

[0041] Water inside the water tank 14 is drained onto the first support plate 10. After the water-absorbing strip 13 absorbs water, the weight of the first support plate 10 increases, causing the first support plate 10 to compress the spring 202 and descend. As the first support plate 10 descends, it also lowers the cover plate 19. After the water-absorbing strip 13 has absorbed all the water, the cover plate 19 covers the top of the guide tube 17, thus facilitating the cessation of water supply to the first support plate 10.

[0042] After the water in the absorbent strip 13 evaporates, the weight of the first support plate 10 decreases. The spring 202 returns to its original deformation, causing the first support plate 10 to rise, thereby moving the cover plate 19 away from the guide pipe 17. Then, the water in the water tank 14 is discharged into the first support plate 10 through the guide pipe 17, which facilitates automatic water replenishment after the water in the absorbent strip 13 evaporates.

[0043] Reference Figure 6 A first blocking rod 22 is fixedly installed on the side of the cover plate 19 near the guide tube 17. The first blocking rod 22 passes through the inside of the guide tube 17, and the diameter of the first blocking rod 22 gradually increases from bottom to top.

[0044] The first blocking rod 22 is inserted into the guide tube 17, facilitating the slow drainage of water from the water tank 14 into the first support plate 10. As the water in the absorbent strip 13 evaporates, reducing the weight of the first support plate 10, the first support plate 10 causes the cover plate 19 to descend, which in turn causes the first blocking rod 22 to descend, further reducing the amount of water drained from the water tank 14 into the first support plate 10. Conversely, as the absorbent strip 13 absorbs water, increasing the weight of the first support plate 10, the spring 202 causes the cover plate 19 to rise via the first support plate 10, which in turn causes the first blocking rod 22 to rise, thereby increasing the amount of water drained from the water tank 14 into the first support plate 10. When the temperature is high, the water carried by the absorbent strip 13 evaporates quickly, and the water storage channel adds water to the first support plate 10 through the guide pipe 17 at an increased speed. When the temperature is low, the water carried by the absorbent strip 13 evaporates slowly, and the water storage channel adds water to the first support plate 10 through the guide pipe 17 at a slower speed. This allows the absorbent strip 13 to have sufficient water to evaporate and drive the heat inside the heat insulation cover 5.

[0045] Reference Figure 7 , Figure 8 A second blocking rod 23 is installed inside the water storage tank 14, and the second blocking rod 23 is vertically inserted into the main pipe 15. A guide sleeve 24 is fitted onto the second blocking rod 23. A support rod 25 is fixedly installed between the bottom end of the guide sleeve 24 and the inner bottom wall of the water storage tank 14. The second blocking rod 23 cooperates with the guide sleeve 24, thereby facilitating the vertical raising and lowering of the second blocking rod 23.

[0046] Reference Figure 7 , Figure 8 The diameter of the second blocking rod 23 gradually increases from bottom to top, and a second drive mechanism 21 is provided inside the water storage tank 14. The second drive mechanism 21 includes a support frame 211, a drive rod 212, a connecting rod 213, and a float 214.

[0047] The support frame 211 is fixedly installed on the inner bottom wall of the water storage tank 14, and the shaft of the drive rod 212 is hinged to the top side of the support frame 211. One end of the drive rod 212 is hinged to the top end of the second blocking rod 23. The other end of the drive rod 212 is hinged to one end of the connecting rod 213, and the other end of the connecting rod 213 is hinged to the float 214. A dovetail block 26 is fixedly installed on one side of the float 214, and a dovetail groove 27 is provided on the inner wall of the water storage tank 14 for the dovetail block 26 to slide up and down.

[0048] Reference Figure 7 , Figure 8 When the water level inside the tank 1 rises, the float 214 moves upward. The float 214 drives one end of the drive rod 212 to move upward via the connecting rod 213, and the other end of the drive rod 212 presses down on the second blocking rod 23, thereby causing the second blocking rod 23 to descend, which in turn reduces the speed at which the water storage tank 14 delivers water to the main pipe 15.

[0049] When the water level inside the tank 1 decreases, the float 214 moves downward. The float 214, via the connecting rod 213, drives one end of the drive rod 212 downward, while the other end of the drive rod 212 pulls the second blocking rod 23 upward, causing the second blocking rod 23 to rise. This increases the speed at which the water tank 14 delivers water to the main pipe 15. The raising and lowering of the second blocking rod 23 reduces the impact of the water level inside the water tank 14 on the water outlet speed of the guide pipe.

[0050] The implementation principle of the integrated side panel for the fuel tank of a fuel-powered forklift in this application embodiment is as follows: When the forklift is exposed to direct sunlight during outdoor operation, the heat shield 5 provides heat insulation, while the water in the absorbent strip 13 evaporates and absorbs heat. Then, the air blown out by the cooling fan 28 exhausts the water vapor from the air outlet 9, thereby reducing the temperature inside the heat shield 5 and thus reducing the occurrence of hydraulic oil temperature rise when exposed to direct sunlight.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An integrated side plate for a fuel tank in a fuel-powered forklift, characterized in that: The system includes a housing (1), on which an oil outlet pipe (3) and an oil inlet pipe (2) are installed. Mounting plates (4) are fixedly installed on both sides of the housing (1). The mounting plates (4) are used to connect to the bottom of a forklift. A heat shield (5) is fixedly installed on the side of the mounting plate (4) away from the housing (1). A wind deflector (6) is fixedly installed on the side of the housing (1) facing the rear of the forklift. The side of the wind deflector (6) closest to the housing (1) is fixedly connected to the heat shield (5). The fan cover (6) is connected to the heat shield (5). The heat shield (5) has multiple air outlets (9) on the side away from the fan cover (6). The heat sink (7) is fixedly installed on the side of the housing (1) close to the fan cover (6). The heat sink (7) is located inside the fan cover (6). The fan cover (6) has an installation port (8) on the side away from the housing (1). A cooling fan (28) is installed inside the installation port (8). The cooling fan (28) blows air towards the heat sink (7). The heat insulation cover (5) is equipped with a plurality of first support plates (10), which are spaced apart from bottom to top. The first support plates (10) abut against the side of the mounting plate (4) away from the box (1). The first support plate (10) is embedded with a water-absorbing strip (13). The top side of the first support plate (10) is inclined. The heat insulation cover (5) is vertically provided with a main pipe (15) on the side away from the mounting plate (4). The bottom end of the main pipe (15) is sealed. Multiple sub-pipes (16) are fixedly installed on the body of the main pipe (15). The sub-pipes (16) are fixedly inserted through the side of the heat insulation cover (5) away from the mounting plate (4). The sub-pipes (16) are arranged one-to-one with the first support plate (10). The end of the sub-pipe (16) away from the main pipe (15) is used to drain water to the high place on the top side of the first support plate (10). A second support plate (11) and a third support plate (12) are fixedly installed on the side of the mounting plate (4) away from the housing (1). The second support plate (11) is located below the lower part of the top side of the first support plate (10), and the third support plate (12) is located below the higher part of the top side of the first support plate (10). A guide tube (17) is fixedly installed on the second support plate (11), and a guide rod (18) is fixedly installed on the third support plate (12). Both the guide tube (17) and the guide rod (18) are... The guide tube (17) and the guide rod (18) are both slidably inserted through the first support plate (10). The bottom end of the guide tube (17) is connected to the end of the sub-tube (16) away from the main tube (15). The first support plate (10) is equipped with a cover plate (19), which is located at the top end of the guide tube (17). The first support plate (10) is equipped with a first drive mechanism (20), which is used to drive the first support plate (10) to rise and fall. The first driving mechanism (20) includes a counterweight (201) and two springs (202). One spring (202) is sleeved on the guide tube (17), and the other spring (202) is sleeved on the guide rod (18). The spring (202) is used to push the first support plate (10) to rise. The counterweight (201) is fixedly installed on the bottom side of the first support plate (10). The heat insulation cover (5) is equipped with a water storage tank (14), the height of which is higher than that of the heat insulation cover (5), and the bottom side of the water storage tank (14) is fixedly connected to the top of the main pipe (15).

2. The integrated fuel tank side plate for a fuel-powered forklift according to claim 1, characterized in that: A first blocking rod (22) is fixedly installed on the side of the cover plate (19) near the guide tube (17). The first blocking rod (22) passes through the inside of the guide tube (17), and the diameter of the first blocking rod (22) gradually increases from bottom to top.

3. The integrated fuel tank side plate for a fuel-powered forklift according to claim 2, characterized in that: The water storage tank (14) is equipped with a second blocking rod (23) that is raised and lowered inside. The second blocking rod (23) is set vertically and passes through the main pipe (15). The diameter of the second blocking rod (23) gradually increases from bottom to top. The water storage tank (14) is equipped with a second driving mechanism (21). The second driving mechanism (21) is used to drive the second blocking rod (23) to descend as the water level inside the water storage tank (14) rises, and the second driving mechanism (21) is used to drive the second blocking rod (23) to rise as the water level inside the water storage tank (14) falls.

4. The integrated fuel tank side plate for a fuel-powered forklift according to claim 3, characterized in that: The second blocking rod (23) is fitted with a guide sleeve (24), and a support rod (25) is fixedly installed between the bottom end of the guide sleeve (24) and the inner bottom wall of the water storage tank (14).

5. The integrated fuel tank side plate for a fuel-powered forklift according to claim 3, characterized in that: The second drive mechanism (21) includes a support frame (211), a drive rod (212), a connecting rod (213), and a float (214). The support frame (211) is fixedly installed on the inner bottom wall of the water storage tank (14). The rod body of the drive rod (212) is hinged to the top side of the support frame (211). One end of the drive rod (212) is hinged to the top end of the second blocking rod (23). The other end of the drive rod (212) is hinged to one end of the connecting rod (213). The other end of the connecting rod (213) is hinged to the float (214). One side of the float (214) is slidably mounted on the inner side wall of the water storage tank (14).

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