Mounting structure for main pump of wheel excavator

The modular excavator pump installation structure addresses the challenge of cumbersome disassembly by using sliding and pivoting mechanisms for quick assembly and disassembly, improving maintenance efficiency and pump protection.

CN223103750UActive Publication Date: 2025-07-15德州宝鼎液压机械有限公司
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Patent Information

Application Number
CN202421761435.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-07-15
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The installation structure of the existing excavator main pump is inconvenient for disassembly and maintenance, resulting in greater limitations in use.

Method used

The sliding plate and adjustment column structure are adopted. The adjustment column drives the sliding plate to slide along the limit slide rail to adjust the clamping block. Combined with the movement of the protective plate, the pump body can be quickly installed or disassembled, and the stability and life can be improved through the limit slide rail and buffer layer.

Benefits of technology

It realizes rapid installation and disassembly of the pump body, facilitates maintenance, extends the service life of the pump body, and ensures normal operation through protective plates.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223103750U_ABST
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Abstract

The utility model relates to the technical field of excavators, and discloses a wheel excavator main pump installation structure which comprises an installation main plate, a pump body is arranged in the middle of the upper surface of the installation main plate, vertical plates are installed on the front side and the rear side of the upper surface of the installation main plate, and shells are installed on the left side and the right side of the inner side face of each vertical plate. T-shaped plates are installed on the left side and the right side of the inner wall of the shell correspondingly, the T-shaped plates are sleeved with transmission plates, and connecting plates are installed in the middles of the upper surfaces of the transmission plates. According to the mounting structure for the main pump of the wheel excavator, a user pulls or pushes an adjusting column, so that the adjusting column drives a sliding plate to slide along a limiting sliding rail, and the sliding plate drives a clamping block to transversely move, so that the clamping state of the clamping block is adjusted, and the pump body is quickly mounted or dismounted; and a user can mount or dismount the pump body according to use requirements, and the user can conveniently overhaul the pump body.
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Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to a mounting structure of a main pump of a wheeled excavator. Background Technique

[0002] An excavator, also known as an excavation machine or a power shovel, is an earthmoving machine that uses a bucket to excavate materials above or below the machine surface and loads them into a transport vehicle or unloads them onto a stockpile; the main pump of an excavator is one of the most important components in the hydraulic system of the excavator. It is responsible for generating high-pressure liquid to make each hydraulic actuator of the excavator work. The mounting structure of the excavator main pump is a mechanism for mounting and fixing the excavator main pump; the mounting structure of the excavator main pump in the prior art is relatively simple, and usually bolts or welding are used to mount the excavator main pump, resulting in inconvenient disassembly when the excavator main pump is damaged, and it has great limitations in use. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a mounting structure of a main pump of a wheeled excavator, which solves the problems raised in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical solution: A mounting structure of a main pump of a wheeled excavator, including a mounting main board, a pump body is arranged in the middle of the upper surface of the mounting main board, vertical plates are installed on both the front and rear sides of the upper surface of the mounting main board, shells are installed on both the left and right sides of the inner surface of the vertical plates, T-shaped plates are installed on both the left and right sides of the inner wall of the shells, a transmission plate is sleeved on the T-shaped plates, a connecting plate is installed in the middle of the upper surface of the transmission plate, a protection plate is installed on the upper surface of the connecting plate, an adjusting plate is installed in the middle of the outer surface of the transmission plate, a positioning plate is installed on the top of the outer surface of the vertical plate, a spring positioning pin is arranged in the middle of the upper surface of the positioning plate, mounting seats are installed on both the front and rear sides of the lower surface of the mounting main board, limiting slide rails are installed on both the left and right sides of the inner wall of the mounting seats, a sliding plate is slidably connected to the limiting slide rails, a clamping block is installed in the middle of the inner surface of the sliding plate, an adjusting column is installed in the middle of the outer surface of the sliding plate, and a return spring is sleeved on the adjusting column.

[0005] Preferably, square blocks are fixedly connected to the bottoms of both the left and right sides of the vertical plates, and square grooves are opened at the bottoms of both the left and right inner walls of the protection plate.

[0006] Preferably, a moving groove is opened in the middle of the upper surface of the shell, and the width of the moving groove is 1.1 times the width of the connecting plate.

[0007] Preferably, a reinforcing seat is fixedly connected to the top of the inner surface of the mounting seat, and the shape of the reinforcing seat is a right triangle.

[0008] Preferably, the limiting slide rail is in an I-shape, and mounting holes are provided on both left and right sides of the outer side surface of the limiting slide rail.

[0009] Preferably, a limiting baffle is provided on the inner side surface of the limiting slide rail, and a buffer layer is provided inside the limiting baffle.

[0010] Compared with the prior art, the utility model provides a main pump installation structure for a wheeled excavator, which has the following beneficial effects:

[0011] 1. The main pump installation structure of the wheeled excavator is that the user pulls or pushes the adjusting column, so that the adjusting column drives the sliding plate to slide along the limiting slide rail, and the sliding plate drives the clamping block to move laterally, thereby realizing the adjustment of the clamping state of the clamping block and realizing the rapid installation or disassembly of the pump body, so that the user can install or disassemble the pump body according to the use requirements, which is convenient for the user to inspect and repair the pump body.

[0012] 2. The main pump installation structure of the wheeled excavator realizes blocking protection for the pump body by setting a protective plate, ensures the normal operation of the pump body, and extends the service life of the pump body. The user adjusts the position of the adjustment plate so that the adjustment plate drives the transmission plate to move along the T-shaped plate, and the transmission plate drives the protective plate to move longitudinally through the connecting plate, thereby realizing the opening or closing of the two sets of protective plates, which is convenient for the user to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the explosion of the local structure of the utility model;

[0015] Figure 3 It is a schematic vertical section diagram of the local structure of the utility model.

[0016] In the figure: 1. Install the main board; 2. Pump body; 3. Vertical plate; 4. Shell; 5. T-shaped plate; 6. Transmission plate; 7. Connecting plate; 8. Protective plate; 9. Adjustment plate; 10. Mounting seat; 11. Limiting slide rail; 12. Sliding plate; 13. Snap-in block; 14. Adjustment column; 15. Return spring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a main pump installation structure of a wheeled excavator, including an installation main board 1, a pump body 2 is arranged in the middle of the upper surface of the installation main board 1, vertical plates 3 are installed on both the front and rear sides of the upper surface of the installation main board 1, shells 4 are installed on both the left and right sides of the inner side surface of the vertical plate 3, T-shaped plates 5 are installed on both the left and right sides of the inner wall of the shell 4, a transmission plate 6 is sleeved on the T-shaped plate 5, a connecting plate 7 is installed in the middle of the upper surface of the transmission plate 6, a protection plate 8 is installed on the upper surface of the connecting plate 7, and an adjusting plate 9 is installed in the middle of the outer side surface of the transmission plate 6. By setting the protection plate 8, the blocking protection of the pump body 2 is realized, ensuring the normal operation of the pump body 2 and extending the service life of the pump body 2. By the user adjusting the position of the adjusting plate 9, the adjusting plate 9 drives the transmission plate 6 to move along the T-shaped plate 5, and the transmission plate 6 drives the protection plate 8 to move longitudinally through the connecting plate 7, realizing the opening or closing of the two groups of protection plates 8, which is convenient for the user to operate. A positioning plate is installed on the top of the outer side surface of the vertical plate 3, and a spring positioning pin is arranged in the middle of the upper surface of the positioning plate. Installation seats 10 are installed on both the front and rear sides of the lower surface of the installation main board 1, limiting slide rails 11 are installed on both the left and right sides of the inner wall of the installation seat 10, a sliding plate 12 is slidably connected to the limiting slide rails 11, a clamping block 13 is installed in the middle of the inner side surface of the sliding plate 12, and an adjusting column 14 is installed in the middle of the outer side surface of the sliding plate 12. A return spring 15 is sleeved on the adjusting column 14. By the user pulling or pushing the adjusting column 14, the adjusting column 14 drives the sliding plate 12 to slide along the limiting slide rails 11, and the sliding plate 12 drives the clamping block 13 to move horizontally, realizing the adjustment of the clamping state of the clamping block 13, realizing the quick installation or disassembly of the pump body 2, enabling the user to install or disassemble the pump body 2 according to the use requirements, and facilitating the user to repair the pump body 2.

[0019] In order to limit the protection plate 8, the present utility model fixedly connects square blocks to the bottom of both the left and right side surfaces of the vertical plate 3. Square grooves are opened at the bottom of both the left inner wall and the right inner wall of the protection plate 8, and the square blocks limit the protection plate 8 through the square grooves.

[0020] In order to adjust the position of the protection plate 8, the present utility model opens a moving groove in the middle of the upper surface of the shell 4. The width of the moving groove is 1.1 times the width of the connecting plate 7. When adjusting the position of the protection plate 8, the connecting plate 7 moves inside the moving groove.

[0021] In order to enhance the firmness of the installation between the installation main board 1 and the installation seat 10, the present utility model fixedly connects a reinforcing seat to the top of the inner side surface of the installation seat 10. The shape of the reinforcing seat is a right triangle, and the reinforcing seat reinforces between the installation main board 1 and the installation seat 10, enhancing the firmness of the installation between the installation main board 1 and the installation seat 10.

[0022] In order to ensure the stability of the sliding plate 12 during sliding, the present utility model is configured such that the shape of the limiting slide rail 11 is an I-shaped. Mounting holes are provided on both the left and right sides of the outer surface of the limiting slide rail 11. The limiting slide rail 11 limits the sliding plate 12, ensuring the stability of the sliding plate 12 during sliding.

[0023] In order to extend the service life of the device, a limiting baffle is provided on the inner surface of the limiting slide rail 11. A buffer layer is provided inside the limiting baffle. The buffer layer inside the limiting baffle absorbs the impact force generated by the sliding of the sliding plate 12, reducing the degree of damage caused by the impact force to the device and extending the service life of the device.

[0024] The electrical components appearing in this text are all electrically connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer for control.

[0025] During use, when the pump body 2 needs to be installed, the user sleeved the mounting seat 10 on the installation part of the excavator body. The clamping plate at the installation part will be inserted into the interior of the mounting seat 10. During the insertion process of the clamping plate, it pushes the clamping block 13 to move outward. The clamping block 13 drives the sliding plate 12 to slide outward along the limiting slide rail 11. The sliding plate 12 compresses the return spring 15. When the clamping block 13 and the clamping groove on the clamping plate are opposite, the sliding plate 12 drives the clamping block 13 and the clamping plate to be clamped under the action of the return spring 15, realizing the installation of the device and the installation of the pump body 2.

[0026] In summary, for the main pump installation structure of this wheeled excavator, by the user pulling or pushing the adjusting column 14, the adjusting column 14 drives the sliding plate 12 to slide along the limiting slide rail 11. The sliding plate 12 drives the clamping block 13 to move horizontally, realizing the adjustment of the clamping state of the clamping block 13 and the rapid installation or disassembly of the pump body 2, enabling the user to install or disassemble the pump body 2 according to the usage requirements and facilitating the user to repair the pump body 2.

[0027] For the main pump installation structure of this wheeled excavator, by providing the protective plate 8, the blocking and protection of the pump body 2 are realized, ensuring the normal operation of the pump body 2 and extending the service life of the pump body 2. By the user adjusting the position of the adjusting plate 9, the adjusting plate 9 drives the transmission plate 6 to move along the T-shaped plate 5. The transmission plate 6 drives the protective plate 8 to move longitudinally through the connecting plate 7, realizing the opening or closing of the two groups of protective plates 8 and facilitating the user to operate it.

[0028] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A main pump installation structure of a wheeled excavator, comprising an installation main board (1), wherein a pump body (2) is arranged in the middle of the upper surface of the installation main board (1), and it is characterized in that: Vertical plates (3) are installed on both the front and rear sides of the upper surface of the mounting main board (1); a shell (4) is installed on both the left and right sides of the inner side surface of the vertical plate (3); a T-shaped plate (5) is installed on both the left and right sides of the inner wall of the shell (4); a transmission plate (6) is sleeved on the T-shaped plate (5); a connecting plate (7) is installed in the middle of the upper surface of the transmission plate (6); a protective plate (8) is installed on the upper surface of the connecting plate (7); an adjustment plate (9) is installed in the middle of the outer side surface of the transmission plate (6); and a protective plate (8) is installed on the top of the outer side surface of the vertical plate (3). A positioning plate is provided, a spring positioning pin is provided in the middle of the upper surface of the positioning plate, a mounting seat (10) is installed on both the front and rear sides of the lower surface of the mounting main board (1), a limiting slide rail (11) is installed on both the left and right sides of the inner wall of the mounting seat (10), a sliding plate (12) is slidably connected to the limiting slide rail (11), a clamping block (13) is installed in the middle of the inner side surface of the sliding plate (12), an adjusting column (14) is installed in the middle of the outer side surface of the sliding plate (12), and a return spring (15) is sleeved on the adjusting column (14).

2. The main pump installation structure of a wheeled excavator according to claim 1, characterized in that: The bottoms of the left and right sides of the upright plate (3) are fixedly connected with square blocks, and the bottoms of the left inner wall and the right inner wall of the protective plate (8) are provided with square grooves.

3. The main pump mounting structure of a wheeled excavator according to claim 1, characterized in that: A moving groove is provided in the middle of the upper surface of the shell (4), and the width of the moving groove is 1.1 times the width of the connecting plate (7).

4. The main pump mounting structure of a wheeled excavator according to claim 1, characterized in that: A reinforcement seat is fixedly connected to the top of the inner side surface of the mounting seat (10), and the reinforcement seat is in the shape of a right triangle.

5. The main pump mounting structure of a wheeled excavator according to claim 1, characterized in that: The limiting slide rail (11) is in the shape of an I-beam, and mounting holes are provided on both left and right sides of the outer side surface of the limiting slide rail (11).

6. The installation structure of the main pump of a wheeled excavator according to claim 1, characterized in that: The inner side surface of the limiting slide rail (11) is provided with a limiting baffle, and a buffer layer is provided inside the limiting baffle.