Hydraulic oil tank convenient for oil supplementation

Abstract

The utility model relates to the technical field of hydraulic equipment, and discloses a hydraulic oil tank convenient for oil recharging, which comprises an oil recharging pipe, the top of the front end of the oil recharging pipe is fixedly connected with a lock shell, the two sides of the top of the inner wall of the lock shell are rotatably connected with fixing clamps, and the inner walls of the bottoms of the fixing clamps penetrate through and are slidably connected with moving blocks. The two ends of the moving block are fixedly connected with pull rods, the bottoms of the pull rods are rotationally connected with threaded rods, the bottoms of the threaded rods are fixedly connected with rotating handles, and the inner wall of the bottom of the lock shell is fixedly connected with a threaded sleeve. The oil supplementing pipe is sealed through components such as the lock shell, the sealing ring improves the sealing effect, impurities and the like are prevented from invading, the oil state is stabilized, the service life is prolonged, the oil replacement frequency and the equipment cost are reduced, and components such as the motor achieve accurate angle adjustment of the guide vanes, the oil flowing path is optimized, the heat dissipation efficiency is improved, and splashing bubbles are reduced. And flexible adjustment can be realized according to equipment states.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic equipment technical field especially relates to a hydraulic oil tank convenient to oil supplement. BACKGROUND

[0002] Hydraulic oil tank refers to the container for storing the oil liquid required for guaranteeing the work of hydraulic system, and the oil tank can be divided into open type and closed type according to whether the oil tank liquid level is communicated with the atmosphere, the main function of the hydraulic oil tank is to store oil liquid, in addition, the hydraulic oil tank also plays the role of heat dissipation, impurity deposition and air escape of the oil liquid, and the oil tank can be divided into open type and closed type according to whether the oil tank liquid level is communicated with the atmosphere, the open type oil tank is used in general hydraulic system, and the closed type oil tank is used in underwater and hydraulic system with strict requirements on work stability and noise.

[0003] The oil supplement pipe and the oil supplement port of the hydraulic oil tank are respectively provided with flanges. The flanges are provided with bolt holes, and the two flanges are tightly connected together through bolts. The mechanical connecting rod is connected with the adjusting handle outside the oil tank, and the adjusting handle is usually installed on the side or top of the oil tank. By rotating or pulling the handle, the connecting rod drives the guide vane to rotate in the oil tank, so that the angle is adjusted. A metal or fiber filter screen is usually arranged at the oil suction pipe port. The filter screen is directly installed at the oil suction pipe inlet, and the size of the screen hole determines the filtering precision. When the oil liquid is sucked from the oil tank into the oil suction pipe, the oil liquid passes through the filter screen, and the impurities with large particles are intercepted outside the filter screen. Only the oil liquid passing through the screen hole can enter the oil suction pipe and then enter the hydraulic system.

[0004] The gasket in the flange sealing may be aged, hardened or damaged over time, especially in high temperature, high humidity or corrosive medium environment, the performance of the rubber gasket will rapidly decrease, the flange sealing requires a certain installation space, because the flange itself has a certain thickness and diameter, in some space-limited equipment, the installation of the oil supplement device of the flange sealing is limited, in addition, when the flange sealing is disassembled, a plurality of bolts need to be loosened, the operation is relatively complicated, and when the flange sealing is reinstalled, the position of the gasket needs to be ensured to be correct, otherwise the sealing effect will be affected, and the manual adjustment of the guide vane angle depends on the experience of the operator to a great extent. Because there is no accurate angle indicating device, the operator is difficult to accurately adjust the guide vane to the best angle, and the single filter screen can only intercept impurities with large particles, and the filtering effect is poor for small particles, such as metal particles and colloidal particles generated by abrasion. UTILITY MODEL CONTENTS

[0005] The utility model discloses a hydraulic oil tank convenient to oil supplement, which solves the problems of flange sealing in the background art, such as easy aging and damage, large space occupation, complicated disassembly, low precision of adjusting vane, inconvenient operation, single filtering mode and insufficient filtering precision.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hydraulic oil tank that is convenient for oil replenishment, comprising an oil replenishment pipe, the front end top of the oil replenishment pipe is fixedly connected to a lock shell, both sides of the top of the inner wall of the lock shell are rotatably connected to fixed clamps, the bottom inner wall of the fixed clamp passes through and is slidably connected to a moving block, the two ends of the moving block are fixedly connected to a pull rod, the bottom of the pull rod is rotatably connected to a threaded rod, the bottom of the threaded rod is fixedly connected to a rotating handle, the bottom inner wall of the lock shell is fixedly connected to a threaded sleeve, and the inner wall of the threaded sleeve is threadedly connected to the outer wall of the rotating handle, the bottom of the outer wall of the oil replenishment pipe passes through and is fixedly connected to the box body, and a regulating component for adjusting the hydraulic oil flow is provided on one side of the box body, and a filtering component for filtering the hydraulic oil is provided on the inner wall of the oil replenishment pipe.

[0007] By adopting the above technical solution, turning the rotating handle drives the threaded rod to rotate and move in the threaded sleeve, thereby moving the pull rod, thereby driving the moving block to move in turn, driving the fixed clamp to rotate, blocking external solid impurities from entering the oil tank, and reducing the risk of wear of precision components.

[0008] As a further description of the above technical solution: the filter assembly includes an outer shell, the outer wall of the outer shell is slidably connected to the inner wall of the oil supply pipe, the inner wall of the outer shell is fixedly connected to an activated carbon filter layer, the inner wall of the activated carbon filter layer is fixedly connected to a filter paper filter layer, and the inner wall of the filter paper filter layer is fixedly connected to a metal filter mesh filter layer.

[0009] By adopting the above technical solution, the metal filter layer intercepts large particles of impurities in the oil, the filter paper layer filters tiny particles, and the activated carbon layer absorbs moisture and chemical impurities. The three work together to achieve comprehensive filtration of different impurities and improve the cleanliness of the oil.

[0010] As a further description of the above technical solution: buttons are slidably connected to both sides of the inner wall of the shell, one side of the outer wall of the button is slidably connected to both sides of the oil supply pipe, one side of the button is fixedly connected to a baffle, and springs are provided on both sides of the inner walls of the shell, and one side of the spring is in contact with one side of the baffle.

[0011] By adopting the above technical solution, the outer shell can be removed by pressing the button to drive the baffle to squeeze the spring. When replacing the filter device, the operator can easily disassemble the outer shell without complicated tools, which effectively shortens the maintenance time.

[0012] As a further description of the above technical solution: the adjustment component includes a fixed shell, one side of the fixed shell is fixedly connected to one side of the box body, the bottom of the inner wall of the fixed shell is fixedly connected to a motor, and the output end of the motor is fixedly connected to a worm.

[0013] By adopting the above technical solution, the fixed shell protects the internal adjustment component, the motor is started, and its output end drives the worm to rotate.

[0014] As a further description of the above technical solution: a fixed shaft is rotatably connected in the middle of one side of the box body, a worm gear is fixedly connected to one side of the outer wall of the fixed shaft, the bottom of the worm gear is meshed with the top of the worm, and a guide blade is fixedly connected to one side of the fixed shaft.

[0015] By adopting the above technical solution, the rotation of the worm drives the worm wheel to rotate, thereby rotating the fixed shaft, and then drives the guide vanes to rotate, thereby accurately adjusting the blade angle.

[0016] As a further description of the above technical solution: a pipe cover is provided on the top of the oil supply pipe, and a sealing ring is fixedly connected to the bottom of the pipe cover and the top of the oil supply pipe. A lock buckle is fixedly connected to the front end of the pipe cover, and the bottom of the inner wall of the lock buckle is in contact with the top of the fixing clamp.

[0017] By adopting the above technical solution, the fixing clip is rotated and fixed with the lock, so that the pipe cover and the oil supply pipe are firmly connected and sealed. The sealing ring further enhances the sealing effect and effectively guarantees the sealing performance.

[0018] As a further description of the above technical solution: a liquid level meter is passed through and fixedly connected to the other side of the box body, and evenly distributed heat sinks are passed through and fixedly connected to the rear end of the box body.

[0019] By adopting the above technical solution, the liquid level gauge can directly display the height of the oil in the hydraulic oil tank, and the heat sink dissipates the heat of the hydraulic oil.

[0020] As a further description of the above technical solution: an oil return pipe passes through and is fixedly connected to one side of the top of the box body, and an oil suction pipe passes through and is fixedly connected to the bottom of the box body.

[0021] By adopting the above technical solution, the oil suction pipe transports the oil in the hydraulic oil tank to the hydraulic pump, and the oil return pipe guides the oil after passing through the hydraulic system back to the hydraulic oil tank.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. The utility model provides a hydraulic oil tank that is easy to add oil. First, the oil filling pipe is sealed by a lock shell, a lock rotating handle, a threaded rod, a threaded sleeve, a pull rod, a movable block and a fixed clamp. The sealing ring effectively improves the sealing effect, prevents the invasion of solid impurities, liquids and harmful gases, stabilizes the oil state, prolongs the service life, reduces the frequency of oil replacement and equipment cost, and the motor, worm gear, worm and fixed shaft realize precise adjustment of the guide vane angle, optimizes the oil flow path, enhances the heat dissipation efficiency, reduces splashing bubbles, and can be flexibly adjusted according to the equipment status.

[0024] 2. The utility model provides a hydraulic oil tank that is easy to refill. It intercepts different impurities through metal filter screen, filter paper and activated carbon filter layer respectively to achieve comprehensive filtration. It can cope with complex impurity environment, improve oil cleanliness, protect precision components, and allow oil to play a better role in the device. The button, baffle and spring can quickly disassemble the shell. The appropriate filter device can be selected according to needs, shortening maintenance and downtime, facilitating cleaning and inspection, ensuring filtering effect and extending the life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the utility model;

[0026] Figure 2 It is a side view of the utility model;

[0027] Figure 3 It is a cutaway perspective view of the present utility model;

[0028] Figure 4 This is a cross-sectional view of the oil supply pipe of the utility model;

[0029] Figure 5 This is a cross-sectional view of the lock housing of the present utility model.

[0030] Legend:

[0031] 1. Box body; 2. Oil return pipe; 3. Liquid level gauge; 4. Oil supply pipe; 5. Pipe cover; 6. Lock buckle; 7. Lock shell; 8. Sealing ring; 9. Heat sink; 10. Button; 11. Fixed shell; 12. Oil suction pipe; 13. Worm gear; 14. Fixed shaft; 15. Worm; 16. Motor; 17. Guide vane; 18. Outer shell; 19. Activated carbon filter layer; 20. Filter paper filter layer; 21. Metal filter mesh filter layer; 22. Baffle; 23. Spring; 24. Fixed clip; 25. Moving block; 26. Pull rod; 27. Threaded rod; 28. Rotating handle; 29. ​​Threaded sleeve. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0034] Combine Figures 1-2, the utility model is a hydraulic oil tank which is convenient for oil replenishment, including an oil replenishment pipe 4, which can transport external hydraulic oil to the inside of the tank body 1, ensuring that there is enough hydraulic oil in the hydraulic system to maintain normal operation, and the bottom of the outer wall of the oil replenishment pipe 4 passes through and is fixedly connected to the tank body 1. The main function of the tank body 1 is to store hydraulic oil, and the inner wall of the oil replenishment pipe 4 is provided with a filter assembly for filtering the hydraulic oil. In the process of replenishing the hydraulic oil, the hydraulic oil must be filtered before entering the tank body 1, which helps to prevent impurities from entering the oil tank with the newly replenished hydraulic oil, and protect other components in the hydraulic system, such as oil pumps, valves, etc. from damage by impurities. The other side of the tank body 1 passes through and is fixedly connected to a filter assembly for filtering the hydraulic oil. Level meter 3, the level meter 3 can display the liquid level height of the hydraulic oil in the box body 1 in real time. The rear end of the box body 1 is penetrated and fixedly connected with evenly distributed heat sinks 9. The heat sink 9 dissipates the heat of the hydraulic oil in the box body 1 to the surrounding environment by increasing the contact area with the air, thereby preventing the hydraulic oil temperature from being too high. A return oil pipe 2 is penetrated and fixedly connected on one side of the top of the box body 1. When the hydraulic oil completes its working task in the hydraulic system, it flows back to the box body 1 through the return oil pipe 2, thereby realizing the recycling of the hydraulic oil and reducing the consumption of the hydraulic oil. An oil suction pipe 12 is penetrated and fixedly connected at the bottom of the box body 1. The main function of the oil suction pipe 12 is to extract hydraulic oil from the bottom of the box body 1 to provide a hydraulic oil source for the hydraulic system.

[0035] Combine Figure 1 、 Figure 3 and Figure 5The front end top of the oil supply pipe 4 is fixedly connected with a lock shell 7, and both sides of the top of the inner wall of the lock shell 7 are rotatably connected with fixed clamps 24. The bottom inner wall of the fixed clamp 24 passes through and is slidably connected with a moving block 25. The two ends of the moving block 25 are fixedly connected with a pull rod 26, and the bottom of the pull rod 26 is rotatably connected with a threaded rod 27. The bottom of the threaded rod 27 is fixedly connected with a rotating handle 28. The bottom inner wall of the lock shell 7 is fixedly connected with a threaded sleeve 29, and the inner wall of the threaded sleeve 29 is threadedly connected to the outer wall of the rotating handle 28. A pipe cover 5 is provided on the top of the oil supply pipe 4, and a sealing ring 8 is fixedly connected to the bottom of the pipe cover 5 and the top of the oil supply pipe 4. The front of the pipe cover 5 The end is fixedly connected with a lock buckle 6, and the bottom of the inner wall of the lock buckle 6 contacts the top of the fixing clamp 24. First, turn the rotating handle 28, and the rotating handle 28 will drive the threaded rod 27 to rotate and move in the threaded sleeve 29. When the threaded rod 27 moves, it will pull the pull rod 26 to move accordingly, and then drive the moving block 25 to produce displacement. During the movement of the moving block 25, the fixing clamp 24 will rotate, and the fixing clamp 24 rotates and is fixed to the lock buckle 6, so that the pipe cover 5 and the oil supply pipe 4 are firmly fixed to achieve a sealed state, and the sealing ring 8 can further enhance the sealing effect, effectively block external solid impurities, and reduce their impact on the hydraulic pump and The risk of wear of precision parts such as valves is reduced, while preventing liquid impurities and harmful gases from entering, reducing the contact area between oil and air, stabilizing the oil state, extending its service life, and reducing the frequency of replacement. A regulating component for regulating the flow of hydraulic oil is provided on one side of the box body 1. The regulating component includes a fixed shell 11, one side of the fixed shell 11 is fixedly connected to one side of the box body 1, a motor 16 is fixedly connected to the bottom of the inner wall of the fixed shell 11, and a worm 15 is fixedly connected to the output end of the motor 16. A fixed shaft 14 is rotatably connected to the middle of one side of the box body 1, and a worm gear 13 is fixedly connected to one side of the outer wall of the fixed shaft 14. The bottom of the worm gear 13 meshes with the top of the worm 15. The guide vanes 17 are fixedly connected to one side of the fixed shaft 14, and the motor 16 is turned on. The output end of the motor 16 drives the worm 15 to rotate. When the worm 15 rotates, it drives the worm gear 13 meshing with it to rotate, and the rotation of the worm gear 13 will prompt the fixed shaft 14 to rotate, and finally the guide vanes 17 rotate, thereby achieving precise adjustment of the angle of the guide vanes 17. According to the actual needs of the hydraulic device such as the oil flow, oil temperature and working status, the angle of the guide vanes 17 can be accurately adjusted, and its flow path in the oil tank is optimized, thereby promoting good contact between the oil and the heat dissipation surface, increasing the contact time and area, improving the heat dissipation efficiency, and reducing splashing bubbles.

[0036] Combine Figures 3-4The filter assembly comprises a shell 18 which provides support for the internal activated carbon filter layer 19, filter paper filter layer 20 and metal filter screen filter layer 21, the outer wall of the shell 18 is in sliding connection with the inner wall of the oil supplement pipe 4, the inner wall of the shell 18 is fixedly connected with the activated carbon filter layer 19, the activated carbon filter layer 19 is mainly used for adsorbing water, acidic substances and other chemical impurities in the oil, the inner wall of the activated carbon filter layer 19 is fixedly connected with the filter paper filter layer 20, the filter paper filter layer 20 further filters small particles, such as small metal powder, colloidal particles and the like, which can be filtered out, the inner wall of the filter paper filter layer 20 is fixedly connected with the metal filter screen filter layer 21, the metal filter screen filter layer 21 intercepts larger particle impurities in the oil, such as large metal shavings, sand and the like, which can be blocked, significantly improving the filtering effect, the inner wall of the shell 18 is slidably connected with the button 10 on both sides, the outer wall of the button 10 is slidably connected with the two sides of the oil supplement pipe 4, one side of the button 10 is fixedly connected with the baffle 22, the inner wall of the shell 18 is provided with the spring 23 on both sides, one side of the spring 23 is in contact with one side of the baffle 22, when the button 10 is pressed, the button 10 will push the baffle 22 to extrude the spring 23, under the action of the spring 23, the shell 18 can be smoothly taken out, the operator can easily remove the shell 18 without complex tools, the filter device can be conveniently replaced, the maintenance and downtime can be shortened, and the filter device can be selected according to requirements.

[0037] Working principle: twist the rotating handle 28, the rotating handle 28 drives the threaded rod 27 to rotate and move in the threaded sleeve 29, the threaded rod 27 moves and drives the pull rod 26 to move, thereby driving the moving block 25 to move, the moving block 25 moves and drives the fixed clamp 24 to rotate, the fixed clamp 24 rotates and fixes the lock 6, thereby fixing the pipe cover 5 and the oil supplement pipe 4, forming a seal, the sealing ring 8 further enhances the sealing effect, effectively blocking dust, sand, metal debris and other solid impurities from entering the oil tank, thereby reducing the risk of impurities wearing out precision components such as hydraulic pumps and valves, preventing liquid impurities such as water and chemicals from entering the oil tank, avoiding contamination of the oil, helping to maintain the oil in the oil tank in a relatively stable state, reducing the contact area between the oil and the air, thereby reducing the oxidation rate of the oil, prolonging the service life of the oil, reducing the frequency of oil replacement, and reducing the operating cost of the equipment, turn on the motor 16, the output end of the motor 16 drives the worm 15 to rotate, the worm 15 drives the worm gear 13 to rotate, the worm gear 13 drives the fixed shaft 14 to rotate, thereby rotating the guide vane 17, realizing accurate adjustment of the angle of the guide vane 17, which can accurately adjust the angle of the guide vane 17 according to the actual needs of the hydraulic device, such as oil flow, oil temperature, equipment working state, etc., accurately adjusting the guide vane 17 to the appropriate angle, ensuring good circulation of the oil, which can optimize the flow path of the oil in the oil tank, making it better contact with the heat dissipation surface of the oil tank, increasing the contact time and area of the oil and the cooling fin 9, improving the cooling efficiency, reducing the splashing and bubble generation of the oil, which can be flexibly adjusted according to the different working states of the hydraulic equipment, reverse twist the rotating handle 28 to open the pipe cover 5, and supplement the oil in the hydraulic tank through the oil supplement pipe 4, when the hydraulic oil enters the oil supplement pipe 4, the metal filter layer 21 is used to intercept larger particles in the oil, such as large metal debris and sand, the filter paper filter layer 20 further filters out smaller particles, such as tiny metal powder and colloidal particles, the activated carbon filter layer 19 is used to absorb water, acidic substances or other chemical impurities in the oil, which can achieve comprehensive filtration of different sizes and properties of impurities in the oil, significantly improve the filtration effect, and make the filtered oil meet higher cleanliness standards, the oil will mix with various types and sizes of impurities, the multi-layer filter structure can intercept all these impurities, ensuring that the oil entering the hydraulic tank meets higher cleanliness standards, thereby protecting precision components such as pumps and valves in the hydraulic device, reducing the probability of wear and failure, adapting to complex impurity environments, not only removing solid particle impurities, but also effectively treating other impurities in the oil, when the oil passes through the multi-layer filter, its cleanliness and purity are improved, and when it circulates in the hydraulic device, it can better play its functions of lubrication and power transmission, press the button 10, the button 10 drives the baffle 22 to press the spring 23, thereby taking out the shell 18, when the filter device needs to be replaced,Operators can easily remove the housing 18 from the device without the use of complex tools. This convenient replacement method can greatly shorten maintenance time, reduce equipment downtime, and improve production efficiency. The appropriate filter device can be selected according to actual conditions, and each component of the filter device can be thoroughly cleaned to ensure the cleanliness of the interior of the device, thereby extending the service life of the device. After removing the filter device, the operator can directly observe the status of the device, such as whether the filter medium is damaged or the supporting structure is deformed, thereby ensuring the filtering effect of the filter device and avoiding oil contamination and damage to the hydraulic system caused by filter device failure.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hydraulic oil tank convenient for oil replenishment, comprising an oil replenishment pipe (4), characterized in that: The front end top of the oil supply pipe (4) is fixedly connected to a lock shell (7), and both sides of the top of the inner wall of the lock shell (7) are rotatably connected to fixed clamps (24), and the bottom inner wall of the fixed clamp (24) is penetrated and slidably connected to a moving block (25), and the two ends of the moving block (25) are fixedly connected to a pull rod (26), and the bottom of the pull rod (26) is rotatably connected to a threaded rod (27), and the bottom of the threaded rod (27) is fixedly connected to a rotating handle (28), and the bottom inner wall of the lock shell (7) is fixedly connected to a threaded sleeve (29), and the inner wall of the threaded sleeve (29) is threadedly connected to the outer wall of the rotating handle (28), and the bottom of the outer wall of the oil supply pipe (4) is penetrated and fixedly connected to the box body (1), and a regulating component for regulating the flow of hydraulic oil is provided on one side of the box body (1), and a filtering component for filtering the hydraulic oil is provided on the inner wall of the oil supply pipe (4).

2. The hydraulic oil tank for easy oil replenishment according to claim 1, characterized in that: The filter assembly comprises a housing (18), the outer wall of the housing (18) is slidably connected to the inner wall of the oil supply pipe (4), the inner wall of the housing (18) is fixedly connected to an activated carbon filter layer (19), the inner wall of the activated carbon filter layer (19) is fixedly connected to a filter paper filter layer (20), and the inner wall of the filter paper filter layer (20) is fixedly connected to a metal filter mesh filter layer (21).

3. The hydraulic oil tank for easy oil replenishment according to claim 2, characterized in that: Buttons (10) are slidably connected to both sides of the inner wall of the housing (18), one side of the outer wall of the button (10) is slidably connected to both sides of the oil supply pipe (4), one side of the button (10) is fixedly connected to a baffle (22), and springs (23) are provided on both sides of the inner wall of the housing (18), and one side of the spring (23) is in contact with one side of the baffle (22).

4. The hydraulic oil tank for easy oil replenishment according to claim 1, characterized in that: The adjustment assembly comprises a fixed shell (11), one side of the fixed shell (11) is fixedly connected to one side of the box body (1), a motor (16) is fixedly connected to the bottom of the inner wall of the fixed shell (11), and a worm (15) is fixedly connected to the output end of the motor (16).

5. The hydraulic oil tank for easy oil replenishment according to claim 1, characterized in that: A fixed shaft (14) is rotatably connected to the middle of one side of the box body (1), a worm wheel (13) is fixedly connected to one side of the outer wall of the fixed shaft (14), the bottom of the worm wheel (13) is meshedly connected to the top of the worm (15), and a guide vane (17) is fixedly connected to one side of the fixed shaft (14).

6. The hydraulic oil tank for easy oil replenishment according to claim 1, characterized in that: A pipe cover (5) is provided on the top of the oil supply pipe (4), a sealing ring (8) is fixedly connected to the bottom of the pipe cover (5) and the top of the oil supply pipe (4), a locking buckle (6) is fixedly connected to the front end of the pipe cover (5), and the bottom of the inner wall of the locking buckle (6) contacts the top of the fixing clamp (24).

7. The hydraulic oil tank for easy oil replenishment according to claim 1, characterized in that: A liquid level meter (3) is passed through and fixedly connected to the other side of the box body (1), and evenly distributed heat sinks (9) are passed through and fixedly connected to the rear end of the box body (1).

8. The hydraulic oil tank for easy oil replenishment according to claim 1, characterized in that: An oil return pipe (2) passes through and is fixedly connected to one side of the top of the box body (1), and an oil suction pipe (12) passes through and is fixedly connected to the bottom of the box body (1).

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