Assembling tool for push shovel of excavator

Abstract

The excavator push shovel assembling tool comprises a bearing table, a sliding groove is formed in the upper wall of the bearing table, two sliding blocks are arranged in the sliding groove in a sliding mode, a first screw rod is rotationally arranged in the sliding groove, the first screw rod is a two-way screw rod, the first screw rod penetrates through the two sliding blocks and is in threaded connection with the two sliding blocks, and fixing assemblies are arranged above the sliding blocks. According to the technical scheme, the push shovel body is arranged in the middle of the bearing plate through the scales on the bearing plate, the hydraulic cylinder is started to enable the push shovel body to move to the proper height, the connecting rods are arranged in the fixing rings respectively, and the push shovel body can move to the proper height through the sliding blocks. The two connecting rods are close to each other to proper positions through supporting of a supporting ring and starting of a motor, at the moment, the two connecting rods are distributed with the center line of the push shovel body as the symmetry axis, due to arrangement of balls, the connecting rods are pushed to abut against the push shovel body, bolts are rotated to enable limiting rings to descend to fix the connecting rods, and then welding is conducted.

Description

Technical Field

[0001] This application relates to the technical field of excavator production, and particularly relates to an assembly tooling for an excavator push shovel. Background Art

[0002] An excavator, also known as an excavation machine or a power shovel, is an earthmoving machine used to excavate materials above or below the machine surface and load them into transport vehicles or unload them onto stockpiles. The excavator push shovel, as an important part of the excavator, has various functions and roles. The excavator push shovel is generally connected to the traveling device through a connecting rod, and its main components include a bulldozing blade, a connecting rod, and an oil cylinder. The oil cylinder is located in the middle of the bulldozing blade and controls the up-and-down swing of the bulldozing blade through its telescopic movement.

[0003] During the process of welding the connecting rod to the bulldozing blade, it is usually carried out by workers holding it by hand or fixing it with a fixture. Due to the consideration of force balance, the two connecting rods are generally symmetrically arranged. If it is held by hand and simply clamped, it is relatively difficult to symmetrically weld the two connecting rods, and it is not easy to align the welding position on the bulldozing blade only by clamping with a clamping plate. Therefore, to solve the above problems, this application provides an assembly tooling for an excavator push shovel. Utility Model Content

[0004] To solve the problems that it is not easy to symmetrically weld the connecting rods and it is relatively difficult to align the welding positions, this application provides an assembly tooling for an excavator push shovel.

[0005] An assembly tooling for an excavator push shovel provided by this application includes a supporting table. A sliding groove is provided on the upper wall of the supporting table. Two sliders are slidably arranged in the sliding groove. A first screw rod is rotatably arranged in the sliding groove. The first screw rod is a bidirectional screw rod. The first screw rod penetrates through the two sliders and is threadedly connected to both of them, and the thread directions at the connection points are opposite. Fixed components are provided above the sliders. A support plate with adjustable height is provided above the supporting table. The support plate is provided with scales along the moving direction of the sliders. The two sliders are symmetrically arranged with respect to the midline of the supporting table, and the midline of the support plate is flush with the midline of the supporting table.

[0006] Preferably, lower bottom plates are fixedly provided above the sliders. Rear vertical plates and front vertical plates are fixedly connected to the upper walls of the lower bottom plates respectively. Support rings are fixedly connected to the upper walls of the rear vertical plates. Fixed rings are fixedly connected above the front vertical plates. Ball bearings are rotatably connected to the lower inner walls of the support rings and the fixed rings respectively. The two ball bearings have the same height and are aligned with the middle parts of the sliders.

[0007] Preferably, fixed boxes are fixedly connected to the side walls of the front vertical plates respectively. No cover plate is provided above the fixed boxes. The highest point of the fixed boxes is lower than the lower wall of the fixed rings. Two fixed rods are arranged in each fixed box, and the fixed rods are respectively arranged on both sides of the front vertical plates.

[0008] Preferably, slide bars are fixedly arranged inside the fixed boxes. The slide bars penetrate through the two fixed rods and are slidably connected thereto. Second screws are rotatably arranged inside the fixed boxes. The second screws are bidirectional screws. The second screws penetrate through the two fixed rods and are threadedly connected thereto, and the thread directions at the connection parts are opposite. One end of the second screw penetrates through the side wall of the fixed box and is rotatably connected thereto.

[0009] Preferably, moving rods are fixedly arranged on the opposite sides of the fixed rods. The moving rods penetrate through the fixed rings and are slidably connected thereto. Ball bearings are rotatably connected to the opposite ends of the moving rods.

[0010] Preferably, limiting rings are arranged inside the fixed rings. The fixed rings are all provided with through holes and are threadedly connected with bolts. The lower ends of the bolts are rotatably connected to the limiting rings.

[0011] Preferably, fixing plates are fixedly arranged below the supporting platforms. Two hydraulic cylinders are fixedly connected to the upper walls of the fixing plates. The hydraulic cylinders penetrate through the supporting platforms. The upper ends of the hydraulic cylinders are fixedly connected to the supporting plates.

[0012] Preferably, a motor for driving the first screw to rotate is fixedly arranged on the supporting platform.

[0013] Preferably, a push shovel body is arranged above the supporting plate. Two connecting rods are arranged on one side of the push shovel body.

[0014] In summary, the present application includes the following beneficial technical effects:

[0015] Place the push shovel body in the middle of the supporting plate through the scale on the supporting plate. According to the height of the fixed ring, start the hydraulic cylinder to move the push shovel body to a suitable height. Place the connecting rods in the fixed rings respectively, and then support them through the supporting rings. Rotate the second screw to make the moving rods approach each other to initially fix the connecting rods. Start the motor to make the two connecting rods approach each other to a suitable position. At this time, the two connecting rods are distributed symmetrically with the midline of the push shovel body as the axis of symmetry. Due to the arrangement of the ball bearings, push the connecting rods against the side wall of the push shovel body. Rotate the bolt to lower the limiting ring to fix the connecting rods, and then perform welding. Compared with the traditional assembly method, this device enables the two connecting rods to be symmetrically welded quickly and can quickly align the welding positions, improving the assembly efficiency. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of the excavator push shovel in the first embodiment of the present application;

[0017] Figure 2 is the overall structural schematic diagram of the first-view tooling in the first embodiment of the present application;

[0018] Figure 3It is a schematic diagram of the overall structure of the second - perspective tooling in the first embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the overall structure of the fixing component in the first embodiment of the present application;

[0020] Figure 5 It is a schematic diagram of the internal structure of the fixing component in the first embodiment of the present application.

[0021] Explanation of reference numerals: 1, push - shovel body; 2, connecting rod; 3, supporting plate; 4, hydraulic cylinder; 5, supporting platform; 6, sliding groove; 7, first screw; 8, motor; 9, lower bottom plate; 10, fixing box; 11, rear vertical plate; 12, supporting ring; 13, fixing ring; 14, front vertical plate; 15, sliding rod; 16, fixing rod; 17, moving rod; 18, second screw; 19, bolt; 20, limiting ring; 21, fixing plate; 22, slider. Detailed implementation manners

[0022] The following further elaborates on the present application in conjunction with the attached Figures 1-5 drawings.

[0023] First embodiment

[0024] Referring to Figures 1-5 , an assembly tooling for an excavator push - shovel, including a supporting platform 5. Above the supporting plate 3, there is a push - shovel body 1. On one side of the push - shovel body 1, there are two connecting rods 2, and the connecting rods 2 are welded to the side wall of the push - shovel body 1 for the assembly of the push - shovel. On the upper wall of the supporting platform 5, there is a sliding groove 6. Two sliders 22 are slidably arranged in the sliding groove 6, and a first screw 7 is rotatably arranged in the sliding groove 6. The supporting platform 5 is fixedly provided with a motor 8 for driving the first screw 7 to rotate.

[0025] The first screw 7 is a bidirectional screw. The first screw 7 penetrates through the two sliders 22 and is threadedly connected to both of them, and the thread directions at the connection parts are opposite. When the first screw 7 rotates, the two sliders 22 move towards or away from each other. Above the sliders 22, there are fixing components for clamping the connecting rods 2.

[0026] Above the supporting platform 5, there is a supporting plate 3 with adjustable height. The supporting plate 3 is provided with scales along the moving direction of the sliders 22. Since the push - shovel body 1 is relatively heavy, when placing the push - shovel body 1, it can be positioned in the middle of the supporting plate 3 according to the scales on the supporting plate 3. The two sliders 22 are symmetrically arranged with respect to the center line of the supporting platform 5, and the center line of the supporting plate 3 is flush with the center line of the supporting platform 5. When the two sliders 22 move towards or away from each other, the two sliders 22 are always symmetrically arranged with respect to the center line of the supporting plate 3, that is, the two sliders 22 can be symmetrically welded to the side wall of the push - shovel body 1.

[0027] Above the slider 22, a lower bottom plate 9 is fixedly arranged, and a rear vertical plate 11 and a front vertical plate 14 are fixedly connected to the upper wall of the lower bottom plate 9. A supporting ring 12 is fixedly connected to the upper wall of the rear vertical plate 11, and a fixing ring 13 is fixedly connected above the front vertical plate 14. The lower inner walls of the supporting ring 12 and the fixing ring 13 are both rotatably connected with balls, which is convenient for the movement of the connecting rod 2. The two balls have the same height and are aligned with the middle part of the slider 22, ensuring the flatness of the connecting rod 2 and enabling the two connecting rods 2 placed above the balls to be symmetrically arranged with respect to the midline of the supporting platform 5, improving the accuracy.

[0028] On the side walls of the front vertical plates 14, a fixed box 10 is fixedly connected. The upper part of the fixed box 10 is not provided with a cover plate, and the highest point of the fixed box 10 is lower than the lower wall of the fixing ring 13 to avoid affecting subsequent clamping. Two fixing rods 16 are arranged in each of the fixed boxes 10, and the fixing rods 16 are respectively arranged on both sides of the front vertical plate 14. On the opposite sides of the fixing rods 16, a moving rod 17 is fixedly arranged. The moving rods 17 penetrate through the fixing ring 13 and are slidably connected therewith. The opposite ends of the moving rods 17 are rotatably connected with balls, which is convenient for the movement of the connecting rod 2.

[0029] In each of the fixed boxes 10, a sliding rod 15 is fixedly arranged. The sliding rod 15 penetrates through the two fixing rods 16 and is slidably connected therewith. In each of the fixed boxes 10, a second screw rod 18 is rotatably arranged. The second screw rod 18 is a bidirectional screw rod. The second screw rod 18 penetrates through the two fixing rods 16 and is threadedly connected therewith, and the thread directions at the connection parts are opposite. One end of the second screw rod 18 penetrates through the side wall of the fixed box 10 and is rotatably connected therewith.

[0030] In each of the fixing rings 13, a limiting ring 20 is arranged. The fixing rings 13 are all provided with through holes and are threadedly connected with bolts 19. The lower ends of the bolts 19 are rotatably connected with the limiting ring 20. By rotating the bolts 19, the limiting ring 20 moves downward to limit the connecting rod 2.

[0031] Below the supporting platform 5, a fixing plate 21 is fixedly arranged. Two hydraulic cylinders 4 are fixedly connected to the upper wall of the fixing plate 21. The hydraulic cylinders 4 penetrate through the supporting platform 5. The upper ends of the hydraulic cylinders 4 are fixedly connected to the supporting plate 3. The height positioning of the two hydraulic cylinders 4 carried out simultaneously is combined with an external device, which is a mature existing technology and will not be elaborated here.

[0032] During the actual assembly process, first place the push shovel body 1 in the middle of the supporting plate 3 according to the scale on the supporting plate 3. According to the height of the fixing ring 13 and the size of the connecting rod 2, start the hydraulic cylinder 4 to move the push shovel body 1 to an appropriate height; place the connecting rods 2 in the fixing rings 13 respectively, and then support them through the supporting rings 12. The ball settings of the fixing rings 13 and the supporting rings 12 make the connecting rods 2 approximately horizontal. Rotate the second screw 18 to make the two fixing rods 16 approach each other, so that the moving rods 17 approach each other, and the balls fix the left and right movement of the connecting rods 2; start the motor 8 to make the two connecting rods 2 approach each other to an appropriate position. At this time, the two connecting rods 2 are distributed symmetrically with the midline of the push shovel body 1 as the axis of symmetry. Due to the setting of the balls, push the connecting rods 2 against the side wall of the push shovel body 1, rotate the bolt 19 to lower the limiting ring 20 to fix the connecting rods 2, and then perform welding. This device enables the two connecting rods 2 to be symmetrically welded quickly and can quickly align the welding position, improving the assembly efficiency.

[0033] Finally, several points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the internal communication of two components, and can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the described object changes, the relative position relationship may change;

[0034] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0035] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

[0036] The above are all the preferred embodiments of this application and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered by the protection scope of this application.

Claims

1. An assembly tool for the push shovel of an excavator, comprising a supporting table (5), characterized in that: A sliding groove (6) is provided on the upper wall of the supporting table (5). Two sliders (22) are slidably arranged in the sliding groove (6). A first screw rod (7) is rotatably arranged in the sliding groove (6). The first screw rod (7) is a bidirectional screw rod. The first screw rod (7) penetrates through the two sliders (22) and is threadedly connected to both of them, and the thread directions at the connection parts are opposite. Fixing components are arranged above the sliders (22). A support plate (3) with adjustable height is arranged above the supporting table (5). The support plate (3) is provided with scales along the moving direction of the sliders (22). The two sliders (22) are symmetrically arranged with respect to the midline of the supporting table (5). The midline of the support plate (3) is flush with the midline of the supporting table (5).

2. The assembling tooling for the push shovel of an excavator according to claim 1, wherein: Lower bottom plates (9) are fixedly arranged above the sliders (22). Rear vertical plates (11) and front vertical plates (14) are fixedly connected to the upper walls of the lower bottom plates (9). Support rings (12) are fixedly connected to the upper walls of the rear vertical plates (11). Fixed rings (13) are fixedly connected above the front vertical plates (14). Ball bearings are rotatably connected to the inner lower walls of the support rings (12) and the fixed rings (13). The two ball bearings have the same height and are aligned with the middle parts of the sliders (22).

3. The assembling tooling for the push shovel of an excavator according to claim 2, characterized in that: Fixed boxes (10) are fixedly connected to the side walls of the front vertical plates (14). No cover plates are arranged above the fixed boxes (10). The highest points of the fixed boxes (10) are lower than the lower walls of the fixed rings (13). Two fixing rods (16) are arranged in each of the fixed boxes (10), and the fixing rods (16) are respectively arranged on both sides of the front vertical plates (14).

4. An excavator push shovel assembly tooling according to claim 3, wherein: Slide rods (15) are fixedly arranged in the fixed boxes (10). The slide rods (15) penetrate through the two fixing rods (16) and are slidably connected to them. Second screw rods (18) are rotatably arranged in the fixed boxes (10). The second screw rods (18) are bidirectional screw rods. The second screw rods (18) penetrate through the two fixing rods (16) and are threadedly connected to them, and the thread directions at the connection parts are opposite. One end of the second screw rod (18) penetrates through the side wall of the fixed box (10) and is rotatably connected to it.

5. An assembly tool for an excavator push shovel according to claim 3, characterized in that: Moving rods (17) are fixedly arranged on the opposite sides of the fixing rods (16). The moving rods (17) penetrate through the fixed rings (13) and are slidably connected to them. Ball bearings are rotatably connected to the opposite ends of the moving rods (17).

6. The assembling tooling for the push shovel of an excavator according to claim 2, characterized in that: Limiting rings (20) are arranged inside the fixed rings (13). The fixed rings (13) are all penetrated and threadedly connected with bolts (19). The lower ends of the bolts (19) are rotatably connected to the limiting rings (20).

7. An excavator push shovel assembly tooling according to claim 1, characterized in that: Fixing plates (21) are fixedly arranged below the supporting table (5). Two hydraulic cylinders (4) are fixedly connected to the upper walls of the fixing plates (21). The hydraulic cylinders (4) all penetrate through the supporting table (5). The upper ends of the hydraulic cylinders (4) are fixedly connected to the support plate (3).

8. The assembling tooling for the push shovel of an excavator according to claim 1, characterized in that: A motor (8) for driving the first screw rod (7) to rotate is fixedly arranged on the supporting table (5).

9. The assembling tooling for the push shovel of an excavator according to claim 1, characterized in that: A push shovel body (1) is arranged above the support plate (3). Two connecting rods (2) are arranged on one side of the push shovel body (1).

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