Hydraulic oil tank for ultra-high temperature environment

Abstract

This invention discloses a hydraulic oil tank for ultra-high temperature environments, comprising a tank body, an oil inlet pipe located at the top of the tank body, and an oil outlet pipe located at the bottom of the tank body. A partition is installed inside the tank body, with the oil inlet and outlet pipes located on opposite sides of the partition. The partition has a hollow interlayer for containing coolant, and a heat exchanger connected to the hollow interlayer is installed outside the tank body. The partition design of this invention extends the circulation path of the hydraulic oil within the tank body, reduces the circulation speed of the hydraulic oil, and facilitates the precipitation of air bubbles and impurities in the hydraulic oil. The coolant circulates between the hollow interlayer of the partition and the heat exchanger, reducing the temperature of the partition and achieving cooling of the hydraulic oil around the partition, thereby improving the cooling effect of the hydraulic oil inside the tank.

Description

Technical Field

[0001] This invention belongs to the field of hydraulic oil tank technology, and particularly relates to a hydraulic oil tank for use in ultra-high temperature environments. Background Technology

[0002] The primary function of a hydraulic oil tank is to store hydraulic fluid. It also serves to dissipate heat, allow impurities to settle, and facilitate the escape of air from the fluid. Based on whether the oil level is open to the atmosphere, hydraulic tanks can be classified into open and closed types. Open tanks are used in general hydraulic systems; closed tanks are used underwater and in hydraulic systems with strict requirements for operational stability and noise levels.

[0003] Chinese utility model patent CN215211254U discloses a cooling device for a hydraulic oil tank of an excavator, including a hydraulic oil tank. An installation sleeve is provided on the outside of the hydraulic oil tank. A heat-conducting plate is provided on the side of the installation sleeve close to the hydraulic oil tank. A guide rod is connected to the middle of the side of the heat-conducting plate away from the hydraulic oil tank. A radiator is connected to the other end of the guide rod. A heat sink is connected to the side of the radiator away from the installation sleeve. A motor is installed on the side of the radiator close to the heat sink. A fan blade is connected to the shaft end of the motor.

[0004] The aforementioned heat dissipation device conducts heat from the hydraulic oil tank to the radiator through heat-conducting plates and guide rods, and then dissipates the heat from the radiator through fan blades, ultimately achieving heat dissipation for the hydraulic oil tank. However, since the heat dissipation device is installed on the outside of the hydraulic oil tank, the heat from the hydraulic oil needs to pass through the outer wall of the tank during heat dissipation. Furthermore, the distance between the hydraulic oil in the central part and the outer wall of the tank is relatively large, resulting in a longer time for heat to be conducted to the outer wall. These factors reduce the heat dissipation effect on the hydraulic oil. Additionally, the heat dissipation device surrounding the hydraulic oil tank also obstructs ventilation around the tank, further affecting its heat dissipation performance.

[0005] Therefore, it is necessary to improve the hydraulic oil tank in the existing technology. Summary of the Invention

[0006] The purpose of this invention is to overcome the defects in the prior art and provide a hydraulic oil tank for ultra-high temperature environments, which greatly improves the heat dissipation effect of the hydraulic oil inside the hydraulic oil tank.

[0007] To achieve the above objectives, the specific technical solution of the hydraulic oil tank for ultra-high temperature environments of the present invention is as follows:

[0008] A hydraulic oil tank for ultra-high temperature environments includes a tank body, an oil inlet pipe disposed at the top of the tank body and an oil outlet pipe disposed at the bottom of the tank body, a partition is disposed inside the tank body, the oil inlet pipe and the oil outlet pipe are respectively located on both sides of the partition, the partition has a hollow interlayer for containing coolant inside, and a heat exchange element communicating with the hollow interlayer is disposed outside the tank body.

[0009] Preferably, in order to improve the effect of bubble precipitation and impurity sedimentation in hydraulic oil, and at the same time improve the cooling effect of hydraulic oil, the partition includes a fixed partition and a movable partition that are parallel to each other. The fixed partition is fixedly connected to the housing, and the movable partition is slidably arranged along its own thickness direction. Both the movable partition and the fixed partition have a mating surface that can fit together.

[0010] Preferably, in order to increase the contact area between the partition and the hydraulic oil, improve the cooling effect of the partition on the hydraulic oil, and simultaneously achieve the function of adjusting the cooling rate of the hydraulic oil, the partition has an insertion section that arches along the thickness direction. The insertion section includes a first step and a second step. The inner sides of the first step and the second step both have interconnected slots. In two adjacent partitions, the first step of one partition can be inserted into the inner side of the second step of the other partition, so that the outer wall of the first step fits against the inner wall of the second step to achieve a seal.

[0011] Preferably, in order to improve the effect of the baffle on the cooling speed of hydraulic oil, the outer walls on both sides of the first step and the inner walls on both sides of the second step are arranged along the thickness direction of the baffle.

[0012] Preferably, in order to achieve the circulation of coolant inside the partition and improve the heat dissipation efficiency of the partition, both the fixed partition and the movable partition are provided with an inlet pipe and an outlet pipe. The inlet pipe of the fixed partition is connected to the outside of the housing, the outlet pipe of the fixed partition is connected to the inlet pipe of the movable partition through a first flexible hose, and the outlet pipe of the movable partition is connected to the outside of the housing through a second flexible hose.

[0013] Preferably, in order to guide the movable partition, one of the fixed partition and the movable partition has a guide hole along its own thickness direction, and the other has a guide rod fixedly connected along its own thickness direction. The guide rod is slidably engaged with the guide hole, and the housing is provided with a push-pull component that is pulsatorically connected to the movable partition.

[0014] Preferably, in order to provide power for the movement of the movable partition, the push-pull component includes a drive shaft arranged parallel to the plane of the fixed partition, the end of the drive shaft is rotatably connected to the housing, a motor is provided outside the housing and is driven by the drive shaft, a turntable is fixedly connected to the drive shaft, and the movable partition is hinged to the edge of the turntable through a transmission rod.

[0015] Preferably, in order to achieve heat exchange between the partition and the heat dissipation pipe and reduce the temperature of the partition, the heat exchange component includes a liquid storage tank, a high-pressure pump and a heat dissipation pipe. The outlet of the high-pressure pump is connected to the inlet pipe of the fixed partition, the inlet of the high-pressure pump is connected to the outlet of the liquid storage tank, one end of the heat dissipation pipe is connected to the inlet of the liquid storage tank, and the other end of the heat dissipation pipe is connected to the second flexible hose.

[0016] Preferably, in order to improve the heat dissipation effect inside the partition, the heat dissipation pipes are distributed in an S-shape, the heat dissipation pipes are provided with heat dissipation fins, the heat dissipation fins are provided with an outer frame, and the outer frame is provided with a cooling fan.

[0017] Preferably, in order to improve the quality of hydraulic oil, both the inlet pipe and the outlet pipe are equipped with cylindrical filter elements.

[0018] The hydraulic oil tank for ultra-high temperature environments of the present invention has the following advantages: the baffle can extend the circulation path of hydraulic oil inside the tank and reduce the circulation speed of hydraulic oil, which is conducive to the precipitation of air bubbles and the sedimentation of impurities in hydraulic oil; the coolant circulates between the hollow interlayer of the baffle and the heat exchanger, which can reduce the temperature of the baffle and achieve cooling of the hydraulic oil around the baffle, thereby improving the cooling effect of the hydraulic oil inside the tank. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the hydraulic oil tank of the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of the housing of the present invention;

[0021] Figure 3 This is a schematic diagram of the heat exchanger of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the housing of the present invention;

[0023] Figure 5 This is a structural schematic diagram of the fixed partition and the movable partition of the present invention in the separated state;

[0024] Figure 6 This is a schematic diagram of the structure of the fixed partition and the movable partition of the present invention in a fitted state;

[0025] Figure 7This is a schematic diagram of the structure of the fixed partition of the present invention;

[0026] Figure 8 This is a schematic diagram of the structure of the movable partition of the present invention;

[0027] Figure 9 This is a schematic diagram of the connection structure between the fixed partition and the movable partition of the present invention;

[0028] Figure 10 for Figure 9 Enlarged view of part A;

[0029] The markings in the diagram are as follows: 1. Housing; 2. Heat exchanger; 3. Baffle; 101. Oil inlet pipe; 102. Oil outlet pipe; 103. Filter element; 201. Outer frame; 202. Liquid storage tank; 203. Heat dissipation pipe; 204. Heat dissipation fins; 205. High-pressure pump; 206. Cooling fan; 31. Movable baffle; 32. Fixed baffle; 34. Second flexible hose; 35. First flexible hose; 311. Guide rod; 321. Guide hole; 322. Liquid inlet pipe; 323. Liquid outlet pipe; 324. Fixing block; 331. First step; 332. Second step; 333. Hollow interlayer; 334. Slot; 401. Drive shaft; 402. Transmission rod; 403. Turntable; 404. Motor. Detailed Implementation

[0030] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0031] The terms "top surface," "bottom surface," and "full surface" refer to the normal operating state of the hydraulic oil tank and are used only for the convenience of describing the present invention and simplifying the description. They are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0032] The main function of a hydraulic oil tank is to store hydraulic oil. In addition, it also plays a role in cooling the hydraulic oil, settling impurities, and allowing air in the hydraulic oil to escape. Some existing hydraulic oil tanks improve the cooling effect by setting a heat dissipation structure on the outside of the tank body 1. However, setting a heat dissipation structure on the outside of the tank body 1 will increase the volume of the tank body 1 and reduce the convenience of using the hydraulic oil tank. At the same time, the heat of the hydraulic oil is conducted through the tank body 1, which affects the heat dissipation efficiency. Moreover, the heat dissipation effect is only good for the part of the hydraulic oil in contact with the tank body 1, while the heat dissipation effect of the hydraulic oil in the center of the tank body 1 is poor.

[0033] To solve the above problems, such as Figure 1 and Figure 2As shown, a hydraulic oil tank for ultra-high temperature environments according to the present invention includes an oil tank body 1, an oil inlet pipe 101 disposed at the top of the tank body 1 and an oil outlet pipe 102 disposed at the bottom of the tank body 1, a partition 3 disposed inside the tank body 1, the oil inlet pipe 101 and the oil outlet pipe 102 being located on both sides of the partition 3 respectively, the partition 3 having a hollow interlayer 333 for containing coolant inside, and a heat exchanger 2 communicating with the hollow interlayer 333 being disposed outside the tank body 1.

[0034] During use, hydraulic oil flows through the gap between the partition 3 and the tank 1. The partition 3 extends the flow path of the hydraulic oil inside the tank 1 and slows down the flow rate, thereby causing impurities in the hydraulic oil to settle and air to be released. Coolant circulates between the hollow interlayer 333 inside the partition 3 and the heat exchanger 2. The coolant conducts heat from the partition 3 to the heat exchanger 2 for dissipation, thereby reducing the temperature of the partition 3. The partition 3 absorbs heat from the hydraulic oil, thus cooling the hydraulic oil. The partition 3 is located inside the tank 1 and can directly contact the hydraulic oil without the need for the outer wall of the tank 1, improving the cooling effect of the hydraulic oil. The integrated heat dissipation function on the partition 3 reduces the space occupied inside the tank 1, increasing the capacity of the hydraulic oil tank of the same volume. Furthermore, no heat dissipation structure needs to be set on the outer surface of the tank 1, keeping the outer surface of the tank 1 flat, reducing the volume of the tank 1, and allowing the tank 1 to fully contact the air. Heat can also be conducted through the outer wall of the tank 1 to increase the heat dissipation rate.

[0035] Further improvements include, for example Figure 5 and Figure 6 As shown, the partition 3 includes a fixed partition 32 and a movable partition 31 that are parallel to each other. The fixed partition 32 is fixedly connected to the box body 1, and the movable partition 31 is slidably arranged along its own thickness direction. Both the movable partition 31 and the fixed partition 32 have a mating surface that can fit together.

[0036] Multiple fixing blocks 324 are provided along the edge of the fixed partition 32. The fixing blocks 324 can be fixed to the inner wall of the housing 1 by welding, thereby fixing the fixed partition 32 inside the housing 1. By setting the fixed partition 32 and the movable partition 31, both the fixed partition 32 and the movable partition 31 are connected to the heat exchange element 2 for heat exchange. The number of partitions 3 is increased, thereby increasing the area of ​​the partitions 3 in contact with the hydraulic oil and improving the cooling effect on the hydraulic oil. The increase in the number of partitions 3 can further extend the flow path of the hydraulic oil, improving the precipitation of impurities and the separation of air in the hydraulic oil. Effect: The movable partition 31 can move inside the housing 1, and its movement direction is along its own thickness direction. That is, when the movable partition 31 moves, the distance between the movable partition 31 and the fixed partition 32 can be adjusted. When the movable partition 31 and the fixed partition 32 are in contact, the surface of the partition 3 in the contact part does not come into contact with the hydraulic oil. Therefore, the total heat exchange area between the partition 3 and the hydraulic oil is reduced. By increasing or decreasing the heat exchange area between the partition 3 and the hydraulic oil, the heat dissipation rate of the hydraulic oil can be adjusted, the control effect of the hydraulic oil temperature can be improved, and the practicality of the hydraulic oil tank can be improved.

[0037] Further improvements include, for example Figure 7 , Figure 8 and Figure 10 As shown, the partition 3 has an insertion section that arches along the thickness direction. The insertion section includes a first step portion 331 and a second step portion 332. The inner sides of the first step portion 331 and the second step portion 332 both have slots 334 that communicate with each other. In two adjacent partitions 3, the first step portion 331 of one partition 3 can be inserted into the inner side of the second step portion 332 of the other partition 3, so that the outer wall of the first step portion 331 fits against the inner wall of the second step portion 332 to achieve a seal. The outer walls on both sides of the first step portion 331 and the inner walls on both sides of the second step portion 332 are arranged along the thickness direction of the partition 3.

[0038] The partition 3 has multiple interlocking sections, which are evenly spaced on the partition 3. The arched interlocking sections give the partition 3 a serpentine shape, increasing the contact area between the partition 3 and the hydraulic oil and improving the cooling speed of the hydraulic oil. When the movable partition 31 and the fixed partition 32 are separated, their outer surfaces are in complete contact with the hydraulic oil, resulting in the largest heat exchange area and the fastest cooling speed. When the movable partition 31 and the fixed partition 32 are fully fitted together, the total contact area between their outer surfaces and the hydraulic oil is the smallest, resulting in the slowest cooling speed. During the process from contact to full fit between the movable partition 31 and the fixed partition 32, the outer walls on both sides of the first step portion 331 and the second step portion... The contact area between the inner walls on both sides of 332 gradually increases, and the total contact area between the two partitions 3 and the hydraulic oil gradually decreases, thereby achieving adjustment of the heat dissipation rate of the hydraulic oil within a certain range and improving the practicality of the hydraulic oil tank. At the same time, a slot 334 is also provided on the inner side of the first step 331. When the movable partition 31 is separated from the fixed partition 32, the slot 334 on the inner side of the first step 331 can be used to increase the heat exchange area of ​​the partition 3. During the contact process between the movable partition 31 and the fixed partition 32, the slot 334 on the inner side of the first step 331 can be used to discharge hydraulic oil and impurities, making the contact between the outer walls on both sides of the first step 331 and the inner walls on both sides of the second step 332 more tight.

[0039] Further improvements include, for example Figures 4-6 As shown, both the fixed partition 32 and the movable partition 31 are provided with an inlet pipe 322 and an outlet pipe 323. The inlet pipe 322 of the fixed partition 32 is connected to the outside of the housing 1. The outlet pipe 323 of the fixed partition 32 is connected to the inlet pipe 322 of the movable partition 31 through a first flexible hose 35. The outlet pipe 323 of the movable partition 31 is connected to the outside of the housing 1 through a second flexible hose 34.

[0040] In the above structure, the coolant flow path is as follows: the coolant inside the heat exchanger 2 enters from one end of the fixed partition 32 through the inlet pipe 322, then flows out from the outlet pipe 323 at the other end of the fixed partition 32, passes through the first hose 35, and then enters from the inlet pipe 322 at one end of the movable partition 31. It then enters the second hose 34 from the outlet pipe 323 at the other end of the movable partition 31, and flows back to the heat exchanger 2 through the second hose 34. This achieves the circulation of coolant within the fixed partition 32 and the movable partition 31, carrying away heat from the hydraulic oil and thus cooling it. When the movable partition 31 moves, the deformation of the first hose 35 and the second short pipe 34 reduces the resistance to the movable partition 31, improving its smoothness. Furthermore, the circulation of coolant through the fixed partition 32 and the movable partition 31 extends the flow path of coolant within the housing 1, prolonging the heat exchange time between the coolant and the hydraulic oil, thereby improving the cooling effect on the hydraulic oil.

[0041] Further improvements include, for example Figures 7-9 As shown, one of the fixed partition 32 and the movable partition 31 has a guide hole 321 along its own thickness direction, and the other has a guide rod 311 fixedly connected along its own thickness direction. The guide rod 311 is slidably engaged with the guide hole 321. The box body 1 is provided with a push-pull component that is pulsatorically connected to the movable partition 31.

[0042] Guide holes 321 are provided at both ends of the fixed partition 32, and guide rods 311 are provided at both ends of the movable partition 31. The guide holes 321 and the guide rods 311 limit each other, which can realize the guiding and supporting function of the movable partition 31 and improve the stability of the movable partition 31.

[0043] Further improvements include, for example Figure 5 and Figure 6 As shown, the push-pull component includes a drive shaft 401 arranged parallel to the plane of the fixed partition 32. The end of the drive shaft 401 is rotatably connected to the housing 1. A motor 404 that is connected to the drive shaft 401 is provided outside the housing 1. A turntable 403 is fixedly connected to the drive shaft 401. The movable partition 31 is hinged to the edge of the turntable 403 through a transmission rod 402.

[0044] During operation, the motor 404 drives the drive shaft 401 to rotate, which in turn causes the turntable 403 to rotate. When the turntable 403 rotates, it pushes and pulls the movable partition 31 through the transmission rod 402, thereby controlling the movement of the movable partition 31. By pushing both ends of the movable partition 31 simultaneously through the two transmission rods 402, it is possible to prevent the movable partition 31 from tilting due to uneven force at both ends when it moves, thereby preventing the movable partition 31 from getting stuck and improving the smoothness of the movement of the movable partition.

[0045] Further improvements include, for example Figure 1 and Figure 3 As shown, the heat exchanger 2 includes a liquid storage tank 202, a high-pressure pump 205, and a heat dissipation pipe 203. The outlet of the high-pressure pump 205 is connected to the inlet pipe 322 of the fixed partition 32, and the inlet of the high-pressure pump 205 is connected to the outlet of the liquid storage tank 202. One end of the heat dissipation pipe 203 is connected to the inlet of the liquid storage tank 202, and the other end of the heat dissipation pipe 203 is connected to the second flexible hose 34.

[0046] Outside the housing 1, a coolant reservoir 202 is provided for storing coolant, and a high-pressure pump 205 is used to drive the coolant flow. The coolant flowing out of the second hose 34 enters the heat dissipation pipe 203. During the process of passing through the heat dissipation pipe 203, the heat in the coolant is dissipated through the heat dissipation pipe 203, thereby cooling the coolant. After passing through the coolant reservoir 202 and the high-pressure pump 205 in sequence, the coolant enters the fixed baffle 32 again through the inlet pipe 322 to realize the circulation of coolant and achieve heat exchange with the hydraulic oil. During the heat dissipation process, the same hydraulic oil as the one inside the housing 1 can be used as coolant. In this way, when the internal pipeline of the housing 1 leaks, the coolant enters the hydraulic oil and will not affect the quality of the hydraulic oil inside the housing 1.

[0047] Further improvements include, for example Figure 3 As shown, the heat dissipation pipes 203 are arranged in an S-shape, and heat dissipation fins 204 are provided on the heat dissipation pipes 203. An outer frame 201 is provided around the heat dissipation fins 204, and a cooling fan 206 is provided on the outer frame 201. The outer frame 201 is designed to protect the heat dissipation fins 204. Firstly, the S-shaped arrangement of the heat dissipation pipes 203 increases the heat dissipation area of ​​the heat dissipation pipes 203. Secondly, the arrangement of the heat dissipation fins 204 further expands the heat dissipation area of ​​the heat dissipation pipes 203. Then, the airflow around the heat dissipation pipes 203 and heat dissipation fins 204 is accelerated by the cooling fan 206, which can effectively speed up the heat dissipation efficiency in the coolant, thereby improving the cooling effect on the hydraulic oil inside the housing 1.

[0048] Further improvements include, for example Figure 2 As shown, both the inlet pipe 101 and the outlet pipe 102 are equipped with cylindrical filter elements 103. The filter elements 103 can filter the hydraulic oil flowing through the inlet pipe 101 and the outlet pipe 102, reduce impurities in the hydraulic oil, and improve the quality of the hydraulic oil.

[0049] It is understood that the present invention has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. Furthermore, under the teachings of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present invention.

Claims

1. A hydraulic oil tank for ultra-high temperature environments, comprising a tank body (1), an oil inlet pipe (101) disposed at the top of the tank body (1), and an oil outlet pipe (102) disposed at the bottom of the tank body (1), characterized in that: The housing (1) is equipped with a partition (3) inside. The oil inlet pipe (101) and the oil outlet pipe (102) are located on both sides of the partition (3). The partition (3) has a hollow interlayer (333) inside to accommodate coolant. The housing (1) is equipped with a heat exchanger (2) outside that communicates with the hollow interlayer (333). The partition (3) includes a fixed partition (32) and a movable partition (31) that are parallel to each other. The fixed partition (32) is fixedly connected to the housing (1). The movable partition (31) is slidably arranged along its own thickness direction. Both the movable partition (31) and the fixed partition (32) have The partition (3) has a mating surface that can fit together; the partition (3) has an insertion section that is arched along the thickness direction, the insertion section includes a first step (331) and a second step (332), the inner sides of the first step (331) and the second step (332) each have a slot (334) that communicates with each other, in the fixed partition (32) and the movable partition (31), the first step (331) of one can be inserted into the inner side of the second step (332) of the other, so that the outer wall of the first step (331) of one can fit with the inner wall of the second step (332) of the other to achieve a seal.

2. The hydraulic oil tank for ultra-high temperature environments according to claim 1, characterized in that, The outer walls on both sides of the first step portion (331) and the inner walls on both sides of the second step portion (332) are arranged along the thickness direction of the partition (3).

3. The hydraulic oil tank for ultra-high temperature environments according to claim 1, characterized in that, Both the fixed partition (32) and the movable partition (31) are provided with an inlet pipe (322) and an outlet pipe (323). The inlet pipe (322) of the fixed partition (32) is connected to the outside of the box (1). The outlet pipe (323) of the fixed partition (32) is connected to the inlet pipe (322) of the movable partition (31) through a first hose (35). The outlet pipe (323) of the movable partition (31) is connected to the outside of the box (1) through a second hose (34).

4. The hydraulic oil tank for ultra-high temperature environments according to claim 1, characterized in that, One of the fixed partition (32) and the movable partition (31) has a guide hole (321) along its own thickness direction, and the other has a guide rod (311) fixedly connected along its own thickness direction. The guide rod (311) is slidably engaged with the guide hole (321), and the box body (1) is provided with a push-pull member that is pulsatorically connected to the movable partition (31).

5. The hydraulic oil tank for ultra-high temperature environments according to claim 4, characterized in that, The push-pull component includes a drive shaft (401) arranged parallel to the plane of the fixed partition (32). The end of the drive shaft (401) is rotatably connected to the housing (1). A motor (404) is provided outside the housing (1) and is connected to the drive shaft (401). A turntable (403) is fixedly connected to the drive shaft (401). The movable partition (31) is hinged to the edge of the turntable (403) through a transmission rod (402).

6. The hydraulic oil tank for ultra-high temperature environments according to claim 3, characterized in that, The heat exchanger (2) includes a liquid storage tank (202), a high-pressure pump (205) and a heat dissipation pipe (203). The outlet of the high-pressure pump (205) is connected to the inlet pipe (322) of the fixed partition (32). The inlet of the high-pressure pump (205) is connected to the outlet of the liquid storage tank (202). One end of the heat dissipation pipe (203) is connected to the inlet of the liquid storage tank (202), and the other end of the heat dissipation pipe (203) is connected to the second flexible hose (34).

7. The hydraulic oil tank for ultra-high temperature environments according to claim 6, characterized in that, The heat dissipation pipe (203) is S-shaped and is provided with heat dissipation fins (204). The heat dissipation fins (204) are provided with an outer frame (201) around the outer periphery of the outer frame (201). The heat dissipation fan (206) is provided on the outer frame (201).

8. The hydraulic oil tank for ultra-high temperature environments according to claim 1, characterized in that, Both the oil inlet pipe (101) and the oil outlet pipe (102) are equipped with cylindrical filter elements (103).

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