Auxiliary welding platform for machining chassis frame of excavator

Abstract

The utility model relates to the technical field of engineering machinery manufacturing, and discloses an auxiliary welding platform for excavator chassis frame processing, which comprises a fixing frame and a fixing disc, the outside of the fixing frame is rotatably connected with a disc, the outside of the fixing disc is rotatably connected with a rotating disc, the inside of the rotating disc is provided with a clamping assembly, and the clamping assembly is fixedly connected with the fixing disc. An overturning assembly is mounted in the fixing frame; the clamping assembly comprises a supporting frame, the end of the supporting frame is installed in the rotating disc, a sliding rod is fixedly connected to the outer portion of the supporting frame, and a connecting plate is slidably connected to the outer portion of the sliding rod. According to the clamping device, the hydraulic rod extends out to drive the connecting plate to slide outside the sliding rod, so that the clamping blocks extend outwards, the chassis frame of the excavator is placed in the clamping device, then the hydraulic rod contracts to drive the clamping blocks to clamp the edge of the frame, and chassis frames of different models can be accurately clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery manufacturing technical field especially relates to a kind of auxiliary welding platform for excavator chassis frame processing. BACKGROUND

[0002] In today's engineering construction and mining and many other fields, excavators play a very key role, and its demand continues to rise with the promotion of various large-scale infrastructure projects and the increase of resource development efforts. As the foundation of the entire device, excavator chassis frame bears the heavy responsibility of supporting the upper working device, carrying the weight of the whole machine and adapting to various complex and harsh working conditions.

[0003] The welding method currently used usually adopts simple fixture or manual adjustment method, which is difficult to accurately fix the frame beams, columns and other components, resulting in deviation of component position during welding, which not only affects the welding precision, but also makes the size and shape of the chassis frame difficult to meet the design requirements, and easily causes welding deformation, increases subsequent correction cost, and seriously affects the assembly quality and structural strength of the entire chassis frame. Therefore, an auxiliary welding platform for excavator chassis frame processing is proposed to solve the above problems. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides an auxiliary welding platform for excavator chassis frame processing, aiming at improving the problem of affecting welding precision in the prior art by using simple fixture.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An auxiliary welding platform for excavator chassis frame processing, comprising a fixed frame and a fixed disc, the outer part of the fixed frame is rotatably connected with a disc, the outer part of the fixed disc is rotatably connected with a rotating disc, the inner part of the rotating disc is installed with a clamping assembly, the inner part of the fixed frame is installed with a turnover assembly;

[0007] The clamping assembly comprises a support frame, the end of the support frame is installed in the inner part of the rotating disc, the outer part of the support frame is fixedly connected with a sliding rod, the outer part of the sliding rod is slidably connected with a connecting plate, the outer part of the connecting plate is fixedly connected with a clamping block, the both ends of the sliding rod are fixedly connected with a limiting block, the bottom of the connecting plate is fixedly connected with a hydraulic rod;

[0008] As a further description of the above technical scheme:

[0009] The turnover assembly comprises a motor base, the outer portion of the motor base is fixedly connected to the outer portion of the fixed frame, a driving motor two is fixedly connected to the inner portion of the motor base, a worm is fixedly connected to the output end of the driving motor two, a worm wheel is rotatably connected to the inner portion of the fixed frame, and the worm wheel is engaged with the worm;

[0010] As a further description of the above technical solution:

[0011] The bottom of the connecting plate is fixedly connected with a sliding block, the sliding block is slidingly connected to the outer portion of the slide rod, the top of the slide rod is fixedly connected with a supporting rod, and the outer portion of the supporting rod is fixedly connected to the outer portion of the clamping block.

[0012] As a further description of the above technical solution:

[0013] The inner portion of the fixed disc is fixedly connected with a driving motor one, and the inner portion of the rotating disc is rotatably connected to the output end of the driving motor one.

[0014] As a further description of the above technical solution:

[0015] The inner portion of the worm wheel is fixedly connected with a fixed shaft, and the end portion of the fixed shaft is fixedly connected to the inner portion of the disc.

[0016] As a further description of the above technical solution:

[0017] The outer portion of the disc is fixedly connected with a connecting rod one, and the bottom of the fixed disc is fixedly connected to the outer portion of the connecting rod one.

[0018] As a further description of the above technical solution:

[0019] The outer portion of the supporting frame is rotatably connected with a connecting rod three, the outer portion of the connecting rod three is fixedly connected with a connecting rod two, and the end portion of the connecting rod two is fixedly connected to the outer portion of the supporting rod.

[0020] As a further description of the above technical solution:

[0021] The end portion of the hydraulic rod is fixedly connected to the outer portion of the supporting frame, and the outer portion of the clamping block is provided with a groove.

[0022] The utility model has the advantages of:

[0023] 1、The hydraulic rod is extended to drive the connecting plate to slide on the outer portion of the slide rod, the clamping block is stretched outward, the excavator chassis frame is placed, the hydraulic rod is retracted to drive the clamping block to clamp the frame edge, and different models of chassis frames can be accurately clamped.

[0024] 2. In the utility model, through starting drive motor two, worm is driven to rotate, under the action of worm, fixed shaft is driven to rotate, chassis frame is turned over 180 degrees, just can make bottom upward, convenient for welder to weld from above, avoid worker to need to operate under chassis frame, improve weldability and accessibility. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A kind of auxiliary welding platform for excavator chassis frame processing is proposed in the utility model, and its three-dimensional schematic view is shown in the figure;

[0026] Figure 2 The structure diagram of the fixed disc of the auxiliary welding platform for excavator chassis frame processing is proposed in the utility model;

[0027] Figure 3 The structure diagram of drive motor one of the auxiliary welding platform for excavator chassis frame processing is proposed in the utility model;

[0028] Figure 4 The structure diagram of worm of the auxiliary welding platform for excavator chassis frame processing is proposed in the utility model.

[0029] Legend:

[0030] 1, fixed frame;2, disc;3, connecting rod one;4, connecting plate;5, support rod;6, clamping block;7, connecting rod three;8, support frame;9, fixed disc;10, motor base;11, connecting rod two;12, slide rod;13, limit block;14, sliding block;15, drive motor one;16, rotating disc;17, drive motor two;18, worm;19, worm wheel;20, fixed shaft;21, recess;22, hydraulic rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a kind of auxiliary welding platform for excavator chassis frame processing, including fixed frame 1 and fixed disc 9, the outside rotation of fixed frame 1 is connected with disc 2, the outside rotation of fixed disc 9 is connected with rotary disc 16, clamping assembly is installed in the inside of rotary disc 16, using clamping assembly is helpful to guarantee the dimensional accuracy and shape accuracy of chassis frame, avoid welding deformation or subsequent assembly problem caused by component position deviation. The inside of fixed frame 1 is installed with turnover assembly, turnover assembly can rotate chassis frame to suitable angle, so that welder or welding robot can easily weld those originally inaccessible parts;Clamping assembly includes support frame 8, support frame 8 is installed in the inside of rotary disc 16, the outside of support frame 8 is fixedly connected with slide rod 12, the outside of slide rod 12 is slidably connected with connecting plate 4, the outside of connecting plate 4 is fixedly connected with clamping block 6, connecting plate 4 is driven by sliding on slide rod 12 to drive clamping block 6 to clamp excavator chassis frame, the both ends of slide rod 12 are fixedly connected with limit block 13, under the action of limit block 13, avoid connecting plate 4 to fall off, leading to work failure, reduce work efficiency, the bottom of connecting plate 4 is fixedly connected with hydraulic rod 22, by hydraulic rod 22 extension drive connecting plate 4 to slide on the outside of slide rod 12, so that clamping block 6 stretches out, excavator chassis frame is placed, in using hydraulic rod 22 contraction drive clamping block 6 to clamp frame edge, make recess 21 into frame inside, can accurately clamp different models of chassis frame, can firmly fix the beam, column and other components of chassis frame in the specific position of welding platform. The bottom of connecting plate 4 is fixedly connected with sliding block 14, sliding block 14 is slidably connected on the outside of slide rod 12, the top of slide rod 12 is fixedly connected with support rod 5, the outside of support rod 5 is fixedly connected in the outside of clamping block 6. The inside of fixed disc 9 is fixedly connected with drive motor one 15, the inside of rotary disc 16 is rotatably connected in the output end of drive motor one 15, under the action of drive motor one 15 drive rotary disc 16 to rotate, so that rotary disc 16 drive excavator chassis frame to rotate, convenient for excavator chassis frame to be welded. The outside of disc 2 is fixedly connected with connecting rod one 3, the bottom of fixed disc 9 is fixedly connected on the outside of connecting rod one 3. The outside of support frame 8 is rotatably connected with connecting rod three 7, the outside of connecting rod three 7 is fixedly connected with connecting rod two 11, the end of connecting rod two 11 is fixedly connected on the outside of support rod 5. The end of hydraulic rod 22 is fixedly connected on the outside of support frame 8, recess 21 is arranged in the outside of clamping block 6, hydraulic rod 22 drive connecting plate 4 to slide, simultaneously, connecting rod three 7 drive connecting rod two 11 to slide, can be fixedly clamped according to different sizes.

[0033] Refer to Figure 1 And Figure 4The overturning assembly comprises a motor base 10, the outer portion of the motor base 10 is fixedly connected to the outer portion of the fixed frame 1, the inner portion of the motor base 10 is fixedly connected to a driving motor II 17, the output end of the driving motor II 17 is fixedly connected to a worm 18, the inner portion of the fixed frame 1 is rotatably connected to a worm wheel 19, the worm wheel 19 is engaged with the worm 18. The inner portion of the worm wheel 19 is fixedly connected to a fixed shaft 20, the end portion of the fixed shaft 20 is fixedly connected to the inner portion of the disc 2, the driving motor II 17 is started to drive the worm 18 to rotate, the fixed shaft 20 is driven to rotate under the action of the worm 18, so that the connecting rod I 3 can be overturned by 180 degrees, and the welding is facilitated in all directions, so that the welding quality of the whole chassis frame is uniform and consistent.

[0034] Working principle: the hydraulic rod 22 is extended to drive the connecting plate 4 to slide on the outer portion of the slide rod 12, the clamping block 6 is extended outwardly, the excavator chassis frame is placed in, the hydraulic rod 22 is retracted to drive the clamping block 6 to clamp the frame edge, the groove 21 is clamped into the frame, different models of chassis frames can be accurately clamped, and the beams, columns and other components of the chassis frame can be firmly fixed at specific positions of the welding platform. The support frame 8 is installed in the middle portion of the rotating disc 16, the driving motor I 15 is started, the rotating disc 16 is driven to rotate under the action of the driving motor I 15, so that the rotating disc 16 drives the excavator chassis frame to rotate, and the excavator chassis frame is conveniently welded. The driving motor II 17 is started to drive the worm 18 to rotate, the fixed shaft 20 is driven to rotate under the action of the worm 18, so that the connecting rod I 3 can be overturned by 180 degrees, and the welding efficiency is improved.

[0035] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An auxiliary welding platform for excavator chassis frame processing, comprising a fixing frame (1) and a fixing disc (9), characterized in that: The outer part of the fixed frame (1) is rotatably connected with a disc (2), the outer part of the fixed disc (9) is rotatably connected with a rotating disc (16), the inner part of the rotating disc (16) is installed with a clamping assembly, the inner part of the fixed frame (1) is installed with a turnover assembly; The clamping assembly comprises a support frame (8), the end of the support frame (8) is installed in the inner part of the rotating disc (16), the outer part of the support frame (8) is fixedly connected with a sliding rod (12), the outer part of the sliding rod (12) is slidably connected with a connecting plate (4), the outer part of the connecting plate (4) is fixedly connected with a clamping block (6), the both ends of the sliding rod (12) are fixedly connected with a limiting block (13), the bottom of the connecting plate (4) is fixedly connected with a hydraulic rod (22).

2. The auxiliary welding platform for processing the chassis frame of the excavator according to claim 1, characterized in that: The turnover assembly comprises a motor seat (10), the outer part of the motor seat (10) is fixedly connected with the outer part of the fixed frame (1), the inner part of the motor seat (10) is fixedly connected with a driving motor two (17), the output end of the driving motor two (17) is fixedly connected with a worm (18), the inner part of the fixed frame (1) is rotatably connected with a worm wheel (19), the worm wheel (19) is engaged with the worm (18).

3. The auxiliary welding platform for processing the chassis frame of the excavator according to claim 1, characterized in that: The bottom of the connecting plate (4) is fixedly connected with a sliding block (14), the sliding block (14) is slidably connected on the outer part of the sliding rod (12), the top of the sliding rod (12) is fixedly connected with a support rod (5), the outer part of the support rod (5) is fixedly connected with the outer part of the clamping block (6).

4. The auxiliary welding platform for processing the chassis frame of the excavator according to claim 1, characterized in that: The inner part of the fixed disc (9) is fixedly connected with a driving motor one (15), the inner part of the rotating disc (16) is rotatably connected with the output end of the driving motor one (15).

5. The auxiliary welding platform for processing the chassis frame of the excavator according to claim 2, characterized in that: The inner part of the worm wheel (19) is fixedly connected with a fixed shaft (20), the end of the fixed shaft (20) is fixedly connected with the inner part of the disc (2).

6. The auxiliary welding platform for processing of the chassis frame of the excavator according to claim 1, characterized in that: The outer part of the disc (2) is fixedly connected with a connecting rod one (3), the bottom of the fixed disc (9) is fixedly connected with the outer part of the connecting rod one (3).

7. The auxiliary welding platform for processing the chassis frame of excavator according to claim 3, characterized in that: The outer part of the support frame (8) is rotatably connected with a connecting rod three (7), the outer part of the connecting rod three (7) is fixedly connected with a connecting rod two (11), the end of the connecting rod two (11) is fixedly connected with the outer part of the support rod (5).

8. The auxiliary welding platform for processing of the chassis frame of the excavator according to claim 1, characterized in that: The end of the hydraulic rod (22) is fixedly connected with the outer part of the support frame (8), the outer part of the clamping block (6) is provided with a groove (21).

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