Supporting device for overhaul of mining excavator

Abstract

The utility model belongs to the technical field of maintenance of mining excavators, particularly relates to a supporting device for overhaul of a mining excavator, and aims to solve the problems that the maintenance difficulty is high and the supporting stability needs to be improved in the background technology. Side columns are welded to the outer walls of the two ends of the supporting plate correspondingly, and the outer wall of one side of the U-shaped bottom frame is fixedly connected with a servo motor through screws. The side columns are driven by the servo motor to rotate so that the excavator structural part on the supporting plate can be controlled to be adjusted by a certain angle, workers do not need to walk back and forth to adjust the maintenance position, manpower is saved, the maintenance difficulty is lowered, the first air cylinder and the second air cylinder can push the top pressing plate and the three-fork rod to extrude the excavator structural part, and the maintenance efficiency is improved. Four-side limiting of the excavator structural part is achieved, the structure is more stable, and the risk of shaking during later maintenance is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance of mining excavators, in particular to a supporting device for overhauling mining excavators. Background Art

[0002] An excavator is an earth-moving machine that uses its bucket to dig up materials above or below the surface and load them onto transport vehicles or unload them to a stockpile. The materials excavated by an excavator are primarily soil, coal, silt, and pre-loosened soil and rock.

[0003] After searching, the patent (application number: 202223471157.1) discloses a "support device for overhauling a mining excavator." Due to the weight of the parts to be lifted, the ear plates of this device often crack, posing a safety hazard. In addition, the device cannot ensure the consistency of the lifting height of the left and right sides of the excavator's parts to be lifted. However, there are some problems with this device during use:

[0004] First, after the lifting body of the support device is fixed, it cannot be moved at any angle, so the staff need to move back and forth during maintenance, which increases the difficulty of maintenance.

[0005] In addition, the support device mainly fixes the lifting body through the upper ear plates and the upper ear plates on both sides of the lifting body, so the lifting body is limited on both sides, and the overall stability needs to be improved. There is a risk of shaking during the later maintenance process. Utility Model Content

[0006] In view of the deficiencies of the existing technology, the utility model provides a support device for overhauling a mining excavator, which overcomes the deficiencies of the existing technology and effectively solves the problems of high maintenance difficulty and need to improve support stability.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A support device for overhauling a mining excavator comprises a U-shaped chassis, a support plate provided inside the U-shaped chassis, and side columns welded to the outer walls of both ends of the support plate; a servo motor is fixedly connected to the outer wall of one side of the U-shaped chassis by screws, and a pulley assembly is installed between the servo motor and one of the side columns;

[0009] The top outer wall of the U-shaped base frame is welded with symmetrically distributed vertical frames, and the top outer wall of the vertical frame is fixedly connected to cylinder one by screws. The piston rod of cylinder one is hinged to the top pressure plate, and a tripod is hinged at the center of the inner wall of one side of the vertical frame, and cylinder two is hinged between the tripod and the vertical frame.

[0010] Preferably, the two side columns are rotatably connected to the inner wall of the U-shaped chassis.

[0011] Preferably, an excavator structure is provided on the top of the support plate, and the top pressure plate and the tripod rod are respectively close to the top surface and the side surface of the excavator structure.

[0012] Preferably, an inclined plate is welded to the inner wall of one side of the two upright frames, and the inclined plate is close to the bottom surface of the excavator structural member.

[0013] Preferably, bottom supporting platforms are welded to both ends of the outer wall of the top of the supporting plate, and the two bottom supporting platforms are close to the two ends of the excavator structure.

[0014] Preferably, a cone head is welded to the outer wall of one side of the bottom support platform, and the connecting sleeves at both ends of the excavator structural member are slidably connected to the outer wall of the cone head.

[0015] Preferably, an inspection opening is provided on the outer wall of one side of the support plate at the bottom of the excavator structure.

[0016] The beneficial effects of the utility model are:

[0017] 1. This design of a support device for overhauling a mining excavator uses a pulley assembly to drive the servo motor to rotate the side column when the excavator structural parts are fixed on the top of the support plate. This allows the excavator structural parts on the support plate to be adjusted to a certain angle. This eliminates the need for workers to move back and forth to adjust the maintenance position, saving manpower and reducing the difficulty of maintenance.

[0018] 2. The support device for overhaul of mining excavators designed in this invention can initially position the excavator structural parts by relying on the inclined plate, the bottom support platform and the cone head when the excavator structural parts are set on the top of the support plate. On this basis, the top pressure plate and the tripod rod can be pushed by cylinder one and cylinder two respectively to extrude the excavator structural parts, thereby realizing the four-sided limitation of the excavator structural parts, making the structure more stable and avoiding the risk of shaking during later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a support device for overhauling a mining excavator proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the support plate connection structure of a support device for overhauling a mining excavator proposed in this utility model. Figure 1 ;

[0021] Figure 3 This is a schematic diagram of the support plate connection structure of a support device for overhauling a mining excavator proposed in this utility model. Figure 2 .

[0022] In the figure: 1. U-shaped base frame; 2. Support plate; 3. Side column; 4. Servo motor; 5. Pulley assembly; 6. Vertical frame; 7. Cylinder 1; 8. Top pressure plate; 9. Cylinder 2; 10. Tripod; 11. Inclined plate; 12. Bottom support platform; 13. Cone head; 14. Inspection port. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Example 1, refer to Figure 1-2 A support device for overhauling a mining excavator includes a U-shaped underframe 1, a support plate 2 is arranged inside the U-shaped underframe 1, and side columns 3 are welded to the outer walls at both ends of the support plate 2. A servo motor 4 is fixedly connected to the outer wall of one side of the U-shaped underframe 1 by screws, and a pulley group 5 is installed between the servo motor 4 and one of the side columns 3.

[0025] In this embodiment, when the excavator structure is fixed to the top of the support plate 2, with the cooperation of the pulley group 5, the servo motor 4 drives the side column 3 to rotate, which can control the excavator structure on the support plate 2 to adjust a certain angle. The staff does not need to walk back and forth to adjust the maintenance position, which saves manpower and reduces the difficulty of maintenance.

[0026] Example 2, refer to Figure 2-3 A support device for overhauling a mining excavator, wherein the top outer wall of the U-shaped underframe 1 is welded with symmetrically distributed uprights 6, and the top outer wall of the uprights 6 is fixedly connected to a cylinder 1 7 by screws, the piston rod of the cylinder 1 7 is hinged to a top pressure plate 8, and a tripod 10 is hinged at the center of the inner wall on one side of the upright frame 6, and a cylinder 2 9 is hinged between the tripod 10 and the upright frame 6.

[0027] In this embodiment, when the excavator structural parts are arranged on the top of the support plate 2, the excavator structural parts can be initially positioned by relying on the inclined plate 11, the bottom support platform 12 and the cone head 13. On this basis, the cylinder 1 7 and the cylinder 2 9 can respectively push the top pressure plate 8 and the tripod 10 to extrude the excavator structural parts, thereby realizing the four-sided limitation of the excavator structural parts, making the structure more stable, and avoiding the risk of shaking during later maintenance.

[0028] Reference Figure 1-2 , both side columns 3 are rotatably connected to the inner wall of the U-shaped chassis 1.

[0029] Reference Figure 2 An excavator structure is provided on the top of the support plate 2, and the top pressure plate 8 and the tripod rod 10 are respectively close to the top surface and side surface of the excavator structure.

[0030] Reference Figure 2 The inner wall of one side of the two uprights 6 is welded with an inclined plate 11, and the inclined plate 11 is close to the bottom surface of the excavator structure.

[0031] Reference Figure 2 , bottom supporting platforms 12 are welded to both ends of the top outer wall of the supporting plate 2, and the two bottom supporting platforms 12 are close to the two ends of the excavator structure.

[0032] Reference Figure 2 A cone head 13 is welded to the outer wall of one side of the bottom support platform 12, and the connecting sleeves at both ends of the excavator structural member are slidably connected to the outer wall of the cone head 13.

[0033] Reference Figure 1 An inspection opening 14 is provided on the outer wall of one side of the supporting plate 2 at the bottom of the excavator structure.

[0034] Working principle: First, the excavator structure is translated onto the bottom support platform 12 and the cone head 13, and at this time it is supported by the inclined plate 11. Then, the cylinder 1 7 and the cylinder 2 9 respectively push the top pressure plate 8 and the tripod 10 to squeeze the excavator structure to complete the four-sided positioning of the excavator structure. Afterwards, with the cooperation of the pulley group 5, the servo motor 4 drives the side column 3 to rotate to control the rotation of the excavator structure on the support plate 2. The staff can adjust the excavator structure to a suitable angle for maintenance.

[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A support device for overhauling a mining excavator, comprising a U-shaped underframe (1), characterized in that: A support plate (2) is provided inside the U-shaped chassis (1), and side columns (3) are welded to the outer walls of both ends of the support plate (2); a servo motor (4) is fixedly connected to the outer wall of one side of the U-shaped chassis (1) by screws, and a pulley group (5) is installed between the servo motor (4) and one of the side columns (3); The top outer wall of the U-shaped base frame (1) is welded with symmetrically distributed vertical frames (6), and the top outer wall of the vertical frame (6) is fixedly connected to a cylinder one (7) by screws, the piston rod of the cylinder one (7) is hinged to a top pressure plate (8), and a tripod (10) is hinged at the center of the inner wall of one side of the vertical frame (6), and a cylinder two (9) is hinged between the tripod (10) and the vertical frame (6).

2. A support device for overhauling a mining excavator according to claim 1, characterized in that: The two side columns (3) are both rotatably connected to the inner wall of the U-shaped base frame (1).

3. A support device for overhauling a mining excavator according to claim 1, characterized in that: An excavator structure is provided on the top of the support plate (2), and the top pressure plate (8) and the tripod rod (10) are respectively closely attached to the top surface and side surface of the excavator structure.

4. A support device for overhauling a mining excavator according to claim 1, characterized in that: An inclined plate (11) is welded to the inner wall of one side of the two upright frames (6), and the inclined plate (11) is closely attached to the bottom surface of the excavator structural member.

5. The support device for overhauling a mining excavator according to claim 1, characterized in that: Bottom support platforms (12) are welded to both ends of the top outer wall of the support plate (2), and the two bottom support platforms (12) are closely attached to the two ends of the excavator structure.

6. A support device for overhauling a mining excavator according to claim 5, characterized in that: A cone head (13) is welded to the outer wall of one side of the bottom support platform (12), and connecting sleeves at both ends of the excavator structural member are slidably connected to the outer wall of the cone head (13).

7. The support device for overhauling a mining excavator according to claim 1, characterized in that: An inspection opening (14) is provided on the outer wall of one side of the support plate (2) at the bottom of the excavator structure.

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