Oil tank structure of excavator

By designing and adjusting protective devices and buffer components on the excavator oil tank, the problem of easy damage to the fuel tank body is solved, and the protection effect and maintenance cost are reduced.

CN223075866UActive Publication Date: 2025-07-08CHANGZHOU HONGGUANG MASCH CO LTD
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Patent Information

Application Number
CN202422498165.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-07-08
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The surface of the main body of the excavator oil tank is easily damaged by stones, which affects the service life and increases maintenance costs.

Method used

An excavator oil tank structure including a fuel tank main body, mounting block, fuel tank cover, and adjustment protection device is designed. The oil tank main body is protected by a protective device composed of an adjustment protection plate and a connecting plate, and combined with a buffer assembly and a detachable device to protect against stone impact.

Benefits of technology

Effectively prevent stones from hitting and damaging the fuel tank, reduce maintenance costs, and improve the service life of the fuel tank main body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an excavator oil tank structure, which relates to the technical field of excavator oil tank structures, and comprises an oil tank main body, one side of the oil tank main body is symmetrically and fixedly connected with mounting blocks, an inlet of the oil tank main body is provided with an oil tank cover, and one side of the oil tank main body is provided with an adjusting protection device. The adjusting protection device comprises a connecting plate, a groove protection plate and two adjusting protection plates. When the oil tank main body is mounted on the excavator through the mounting plate for use, the adjusting protection plates can be adjusted according to the size of the oil tank main body needing to be protected; after the adjusting protection plate is adjusted to a certain distance on the groove protection plate, a protection device with the corresponding size is formed, and then the protection device is installed on the exposed side of the oil tank body through the connecting plate to protect and block the oil tank body, so that the oil tank body is not prone to being collided and smashed by splashed stones to be damaged in the using process, and the service life of the oil tank body is prolonged. Maintenance cost of the excavator is reduced, and service life of the oil tank body is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of the fuel tank structure of an excavator, in particular to a fuel tank structure of an excavator. Background Art

[0002] The fuel tank of an excavator is a key component in the hydraulic system of the excavator. It is responsible for storing and supplying hydraulic oil, which is crucial for the normal operation of the excavator.

[0003] The surface of the main body part of the fuel tank on the excavator is usually directly exposed. During the use of the excavator, if a stone splashes up and accidentally hits the exposed surface of the fuel tank main body, it may cause deformation and damage to the surface of the fuel tank main body. After a long time, the impacted part is prone to damage and oil leakage, thus affecting the use of the excavator, increasing the maintenance cost of the excavator, and reducing the service life of the fuel tank main body. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a fuel tank structure of an excavator.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a fuel tank structure of an excavator, including a fuel tank main body. On one side of the fuel tank main body, mounting blocks are symmetrically and fixedly connected. At the inlet of the fuel tank main body, there is a fuel tank cap. On one side of the fuel tank main body, there is an adjustable protection device. The adjustable protection device includes a connecting plate, a groove protection plate and two adjustable protection plates. The protection device can install the groove protection plate and the two adjustable protection plates on the outer surface of the exposed side of the fuel tank main body through the connecting plate to protect and block it, so as to avoid being damaged by the splashed stones during use.

[0006] The effects achieved by the above components are as follows: When the fuel tank main body is installed on the excavator through the mounting plate for use, the adjustable protection plates can be adjusted to a certain distance on the groove protection plate according to the size of the fuel tank main body to be protected to form a protection device of a corresponding size, and then installed on the exposed side of the fuel tank main body through the connecting plate to protect and block it, so that it is not easily damaged by the splashed stones during use, reducing the maintenance cost of the excavator and increasing the service life of the fuel tank main body.

[0007] Preferably, sliding grooves are symmetrically opened on the inner walls at both ends of the groove protection plate. On both sides at one end of the two adjustable protection plates, threaded rods are fixedly connected. The two adjustable protection plates are respectively slidably connected to the inner walls at both ends of the groove protection plate. A plurality of the threaded rods are respectively inserted into the inner walls of a plurality of the sliding grooves, and screw hole blocks are threadedly connected to the outer surfaces of the threaded rods.

[0008] The effects achieved by the above components are as follows: By setting the adjustment protection device, the two adjustment protection plates can be pulled up or down to a certain position at both ends of the inner wall of the groove protection plate according to the size of the fuel tank body to be protected, driving several threaded rods to move up or down to a certain distance in the inner wall of the chute respectively, and then rotating the screw hole block to screw it to a certain position on the threaded rod, so that one side of it abuts against one side of the groove protection plate, and the adjusted adjustment protection plate is limited and fixed. In this way, a protection plate of a new size can be obtained, and then it is installed on the exposed side of the fuel tank body of the corresponding size through the connecting plate to protect and block it, so that it is not easily damaged by the impact of splashed stones during use, reducing the maintenance cost of the excavator and increasing the service life of the fuel tank body.

[0009] Preferably, a buffer assembly is arranged between one side of the connecting plate and the bracket of the groove protection plate. The buffer assembly includes several corrugated rubber blocks. The two ends of the corrugated rubber blocks are respectively fixedly connected to one side of the groove protection plate and the connecting plate. Several first springs are arranged on the inner wall of the corrugated rubber blocks, and the two ends of the first springs are respectively fixedly connected to one side of the groove protection plate and the connecting plate.

[0010] The effects achieved by the above components are as follows: By setting the buffer assembly, it can play a buffering role between one side of the groove protection plate and the connecting plate. In this way, when the groove protection plate collides, the impact force can be reduced, the degree of damage to the groove protection plate itself can be reduced, and the service life of the groove protection plate can be increased.

[0011] Preferably, several screwing blocks are fixedly connected to the outer surface of the screw hole block, and several screwing blocks are arranged at equal distances.

[0012] The effects achieved by the above components are as follows: By setting the screwing blocks, the contact area of the outer surface of the screw hole block can be increased, which is convenient to manually hold and screw it.

[0013] Preferably, a limiting block is fixedly connected to one end of the threaded rod, and the outer surface size of the limiting block is larger than the inner wall size of the screw hole block.

[0014] The effects achieved by the above components are as follows: By setting the limiting block, the screw hole block can be limited on the threaded rod so that it is not easily lost.

[0015] Preferably, a detachable device is provided between one side of the connecting plate and one side of the fuel tank body. The detachable device includes two L-shaped rods with grooves. One side of the L-shaped rod with grooves is fixedly connected to one side of the connecting plate. On one side of the fuel tank body, groove rods are symmetrically and fixedly connected. The L-shaped rod with grooves is inserted into the inner wall of the groove rod. On one side of the inner wall of the groove rod, a sliding hole is opened. On one side of the inner wall of the sliding hole, second springs are symmetrically and fixedly connected. One end of the second spring is fixedly connected to a clamping block. The clamping block is slidably connected to the sliding hole. One end of the clamping block is inserted into the inner wall of the L-shaped rod with grooves.

[0016] The effects achieved by the above components are as follows: By providing the detachable device, when it is necessary to replace and maintain the damaged groove protection plate, one end of the clamping block can be manually held and pressed towards the side away from the fuel tank body. When it slides in the sliding hole, it drives the second spring to contract, and the other end will slide out of the inner wall of the L-shaped rod with grooves. Then, the connecting plate can be pulled upward, which can drive the L-shaped rod with grooves to slide out of the inner wall of the groove rod, so that the connecting plate and the groove protection plate can be detached from the fuel tank body, facilitating maintenance and replacement.

[0017] Preferably, several convex blocks are fixedly connected to both sides of one end of the clamping block. The convex blocks are made of rubber.

[0018] The effects achieved by the above components are as follows: By providing the convex blocks, the contact friction on both sides of one end of the clamping block can be increased, making it not easy to slip when manually holding and pulling it, and the grasping is more firm.

[0019] Preferably, a limiting plate is fixedly connected to one side of the groove rod. The limiting plate is fixedly arranged obliquely on one side at the entrance of the groove rod.

[0020] The effects achieved by the above components are as follows: By providing the limiting plate, the area at the entrance of the groove rod can be increased, facilitating the L-shaped rod with grooves to quickly align and be inserted, and facilitating installation.

[0021] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0022] In the present utility model, when the fuel tank body is installed on an excavator through the mounting plate for use, the adjustable protection plate can be adjusted to a certain distance on the groove protection plate according to the size of the fuel tank body to be protected to form a protection device of corresponding size. Then, it is installed on the exposed side of the fuel tank body through the connecting plate to protect and block it, so that it is not easily damaged by the splashed stones during use, reducing the maintenance cost of the excavator and increasing the service life of the fuel tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1Schematic three-dimensional structure diagram of the present utility model;

[0024] Figure 2 Schematic three-dimensional structure diagram of the groove protection plate of the present utility model;

[0025] Figure 3 is Figure 2 Schematic three-dimensional structure diagram of partial structures in

[0026] Figure 4 Schematic three-dimensional structure diagram of the connecting plate of the present utility model;

[0027] Figure 5 Schematic three-dimensional structure diagram of the groove rod of the present utility model;

[0028] Figure 6 Schematic three-dimensional structure diagram of the clamping block of the present utility model.

[0029] Legend: 1. Fuel tank main body; 2. Adjusting protection device; 3. Detachable device; 4. Mounting block; 5. Fuel tank cap; 21. Connecting plate; 22. Buffer assembly; 221. Corrugated rubber block; 222. First spring; 23. Groove protection plate; 24. Slide groove; 25. Adjusting protection plate; 26. Threaded rod; 27. Threaded hole block; 28. Screw block; 29. Limit block; 31. Card slot L-shaped rod; 32. Groove rod; 33. Slide hole; 34. Second spring; 35. Clamping block; 36. Convex block; 37. Limit plate. Detailed implementation manners

[0030] Embodiment 1, as Figures 1-6 shown, an excavator fuel tank structure includes a fuel tank main body 1. Mounting blocks 4 are symmetrically and fixedly connected to one side of the fuel tank main body 1. A fuel tank cap 5 is arranged at the inlet of the fuel tank main body 1. An adjusting protection device 2 is arranged on one side of the fuel tank main body 1. The adjusting protection device 2 includes a connecting plate 21, a groove protection plate 23 and two adjusting protection plates 25. The protection device can install the groove protection plate 23 and the two adjusting protection plates 25 on the outer surface of the exposed side of the fuel tank main body 1 through the connecting plate 21 to carry out protection and blockage, so as to avoid being damaged by the sputtered stones during use. When the fuel tank main body 1 is installed on the excavator through the mounting plate for use, the adjusting protection plate 25 can be adjusted to a certain distance on the groove protection plate 23 according to the size of the fuel tank main body 1 to be protected to form a protection device of corresponding size, and then installed on the exposed side of the fuel tank main body 1 through the connecting plate 21 to carry out protection and blockage, so that it is not easily damaged by the sputtered stones during use, reducing the maintenance cost of the excavator and increasing the service life of the fuel tank main body 1.

[0031] Refer to Figures 2-4As shown in the figure, in this embodiment, sliding grooves 24 are symmetrically formed in the inner walls at both ends of the groove protection plate 23. On both sides at one end of each of the two adjusting protection plates 25, threaded rods 26 are fixedly connected. The two adjusting protection plates 25 are respectively slidably connected to the inner walls at both ends of the groove protection plate 23. A plurality of threaded rods 26 are respectively inserted into the inner walls of a plurality of sliding grooves 24, and a threaded hole block 27 is threadedly connected to the outer surface of the threaded rod 26. According to the size of the fuel tank main body 1 to be protected, the two adjusting protection plates 25 can be respectively pulled up or down to a certain position in the inner walls at both ends of the groove protection plate 23, driving a plurality of threaded rods 26 to move up or down in the inner walls of the sliding grooves 24 to a certain distance. Then, the threaded hole block 27 is rotated and screwed to a certain position on the threaded rod 26, so that one side of it abuts against one side of the groove protection plate 23, and the adjusted adjusting protection plate 25 is limited and fixed. In this way, a protection plate with a new size can be obtained, and then it is installed on one side of the corresponding-sized fuel tank main body 1 exposed to the outside through the connecting plate 21 to protect and block it, so that it is not easily damaged by being hit by splashed stones during use, reducing the maintenance cost of the excavator and increasing the service life of the fuel tank main body 1. A buffer assembly 22 is arranged between one side of the connecting plate 21 and one side of the groove protection plate 23. The buffer assembly 22 includes a plurality of corrugated rubber blocks 221. Both ends of the corrugated rubber blocks 221 are respectively fixedly connected to one side of the groove protection plate 23 and the connecting plate 21. A plurality of first springs 222 are arranged inside the corrugated rubber blocks 221. Both ends of the first springs 222 are respectively fixedly connected to one side of the groove protection plate 23 and the connecting plate 21. It can play a buffering role between one side of the groove protection plate 23 and the connecting plate 21. In this way, when the groove protection plate 23 collides, the impact force can be reduced, the degree of damage to the groove protection plate 23 itself can be reduced, and the service life of the groove protection plate 23 can be increased.

[0032] Referring to Figures 2-4 As shown in the figure, in this embodiment, a plurality of screwing blocks 28 are fixedly connected to the outer surface of the threaded hole block 27, and the plurality of screwing blocks 28 are arranged at equal distances. By providing the screwing blocks 28, the contact area on the outer surface of the threaded hole block 27 can be increased, which is convenient for manually holding and screwing it. One end of the threaded rod 26 is fixedly connected with a limiting block 29, and the outer surface size of the limiting block 29 is larger than the inner wall size of the threaded hole block 27. By providing the limiting block 29, the threaded hole block 27 can be limited on the threaded rod 26, making it not easily lost.

[0033] Referring to Figure 5 and Figure 6As shown in the figure, in this embodiment, a detachable device 3 is provided between one side of the connecting plate 21 and one side of the fuel tank body 1. The detachable device 3 includes two L-shaped groove rods 31. One side of the L-shaped groove rod 31 is fixedly connected to one side of the connecting plate 21. On one side of the fuel tank body 1, groove rods 32 are symmetrically and fixedly connected. The L-shaped groove rod 31 is inserted into the inner wall of the groove rod 32. On one side of the inner wall of the groove rod 32, a sliding hole 33 is opened. On one side of the inner wall of the sliding hole 33, a second spring 34 is symmetrically and fixedly connected. One end of the second spring 34 is fixedly connected to a clamping block 35. The clamping block 35 is slidably connected to the sliding hole 33. One end of the clamping block 35 is inserted into the inner wall of the L-shaped groove rod 31. When it is necessary to replace and maintain the damaged groove protection plate 23, one end of the clamping block 35 can be manually held and pressed to the side away from the fuel tank body 1. When it slides in the sliding hole 33, the second spring 34 is driven to contract, and the other end will slide out of the inner wall of the L-shaped groove rod 31. Then, the connecting plate 21 can be pulled upward, which can drive the L-shaped groove rod 31 to slide out of the inner wall of the groove rod 32, so that the connecting plate 21 and the groove protection plate 23 can be detached from the fuel tank body 1, facilitating the maintenance and replacement process.

[0034] Referring to Figure 5 and Figure 6 As shown in the figure, in this embodiment, a plurality of convex blocks 36 are fixedly connected to both sides of one end of the clamping block 35. The convex blocks 36 are made of rubber. By providing the convex blocks 36, the contact friction on both sides of one end of the clamping block 35 can be increased, making it not easy to slip when manually holding and pulling it, and the grip is more firm. A limiting plate 37 is fixedly connected to one side of the groove rod 32. The limiting plate 37 is fixedly arranged obliquely on one side at the entrance of the groove rod 32. By providing the limiting plate 37, the area at the entrance of the groove rod 32 can be increased, facilitating the L-shaped groove rod 31 to quickly align and be inserted, facilitating installation.

[0035] Working principle: When the fuel tank body 1 is installed on the excavator through the mounting plate for use, according to the size of the fuel tank body 1 that needs to be protected, the two adjustable protection plates 25 can be pulled up or down to a certain position at both ends of the inner wall of the groove protection plate 23, driving a number of threaded rods 26 to move up or down to a certain distance in the inner wall of the chute 24 respectively. Then, the threaded hole block 27 is rotated and screwed onto the threaded rod 26 to a certain position, so that one side of it abuts against one side of the groove protection plate 23, and the adjusted adjustable protection plate 25 is limited and fixed. In this way, a protection plate with a new size can be obtained. Then, it is installed on the exposed side of the fuel tank body 1 of the corresponding size through the connecting plate 21 to protect and block it, so that it is not easily damaged by the splashed stones during use, reducing the maintenance cost of the excavator and improving the service life of the fuel tank body 1. A number of corrugated rubber blocks 221 and a number of first springs 222 can play a buffering role between one side of the groove protection plate 23 and the connecting plate 21. In this way, when the groove protection plate 23 collides, the impact force can be reduced, the degree of damage to the groove protection plate 23 itself can be reduced, and the service life of the groove protection plate 23 can be improved.

[0036] When it is necessary to replace and maintain the damaged groove protection plate 23, one end of the clamping block 35 can be manually held and pressed to the side away from the fuel tank body 1. When it slides in the sliding hole 33, the second spring 34 is driven to contract, and the other end will slide out from the inner wall of the clamping groove L-shaped rod 31. Then, the connecting plate 21 is pulled upward, which can drive the clamping groove L-shaped rod 31 to slide out from the inner wall of the groove rod 32, so that the connecting plate 21 and the groove protection plate 23 can be detached from the fuel tank body 1, facilitating the maintenance and replacement treatment.

Claims

1. An oil tank structure for an excavator, comprising an oil tank main body (1), characterized in that: On one side of the fuel tank main body (1), mounting blocks (4) are symmetrically and fixedly connected. At the inlet of the fuel tank main body (1), a fuel tank cap (5) is provided. On one side of the fuel tank main body (1), an adjusting and protecting device (2) is provided. The adjusting and protecting device (2) includes a connecting plate (21), a groove protecting plate (23), and two adjusting protecting plates (25). The protecting device can mount the groove protecting plate (23) and the two adjusting protecting plates (25) on the outer surface of the exposed side of the fuel tank main body (1) through the connecting plate (21) to protect and block it.

2. The structure of the fuel tank of an excavator according to claim 1, characterized in that: On both inner walls at the two ends of the groove protecting plate (23), sliding grooves (24) are symmetrically formed. On both sides at one end of the two adjusting protecting plates (25), threaded rods (26) are fixedly connected. The two adjusting protecting plates (25) are respectively slidably connected to the inner walls at the two ends of the groove protecting plate (23). A plurality of the threaded rods (26) are respectively inserted into the inner walls of a plurality of the sliding grooves (24). A threaded hole block (27) is threadedly connected to the outer surface of the threaded rod (26).

3. The structure of an excavator fuel tank according to claim 2, characterized in that: Between one side of the connecting plate (21) and one side of the groove protecting plate (23), a buffer assembly (22) is provided. The buffer assembly (22) includes a plurality of corrugated rubber blocks (221). The two ends of the corrugated rubber block (221) are respectively fixedly connected to one side of the groove protecting plate (23) and the connecting plate (21). A plurality of first springs (222) are arranged on the inner wall of the corrugated rubber block (221). The two ends of the first spring (222) are respectively fixedly connected to one side of the groove protecting plate (23) and the connecting plate (21).

4. The structure of an excavator fuel tank according to claim 2, characterized in that: A plurality of turning blocks (28) are fixedly connected to the outer surface of the threaded hole block (27). The plurality of turning blocks (28) are arranged at equal distances.

5. The structure of an excavator fuel tank according to claim 2, characterized in that: One end of the threaded rod (26) is fixedly connected with a limiting block (29). The outer surface dimension of the limiting block (29) is larger than the inner wall dimension of the threaded hole block (27).

6. The structure of the fuel tank of an excavator according to claim 1, characterized in that: Between one side of the connecting plate (21) and one side of the fuel tank main body (1), a detachable device (3) is provided. The detachable device (3) includes two L-shaped groove rods (31). One side of the L-shaped groove rod (31) is fixedly connected to one side of the connecting plate (21). On one side of the fuel tank main body (1), groove rods (32) are symmetrically and fixedly connected. The L-shaped groove rod (31) is inserted into the inner wall of the groove rod (32). On one side of the inner wall of the groove rod (32), a sliding hole (33) is formed. On one side of the inner wall of the sliding hole (33), a second spring (34) is symmetrically and fixedly connected. One end of the second spring (34) is fixedly connected with a clamping block (35). The clamping block (35) is slidably connected to the sliding hole (33). One end of the clamping block (35) is inserted into the inner wall of the L-shaped groove rod (31).

7. A structure of an excavator fuel tank according to claim 6, characterized in that: On both sides at one end of the clamping block (35), a plurality of convex blocks (36) are fixedly connected. The convex blocks (36) are made of rubber.

8. The structure of an excavator fuel tank according to claim 6, characterized in that: One side of the groove rod (32) is fixedly connected with a limiting plate (37). The limiting plate (37) is obliquely fixed on one side at the entrance of the groove rod (32).