Welding tool for excavator track beam positioner

Abstract

The utility model discloses a welding tool for a crawler beam positioner of an excavator. Comprising a front-end fixing tool fixed to the front end of a workpiece, a rear-end fixing tool fixed to the rear end of the workpiece, a driving unit connected with the front-end fixing tool and used for driving the front-end fixing tool to turn over, and a bearing unit connected with the rear-end fixing tool and used for bearing the rear-end fixing tool. The rear end fixing tool is matched with the front end fixing tool to limit the position of a workpiece; according to the excavator caterpillar band beam positioner welding tool, the front end fixing tool and the rear end fixing tool are adopted to quickly fix a workpiece, the positioner and the bearing unit are matched, the fixed workpiece can be quickly overturned, fixing and overturning operation is easy and convenient, consumed time is short, and welding efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to a welding tool technology, in particular to a welding tool for a crawler beam positioner of an excavator. Background Art

[0002] The track beam weld is large, so in order to avoid thermal deformation during welding, it needs to be flipped multiple times during welding. The existing flipping method is to use a crane and a sling to flip the workpiece, but this method requires the workpiece to be fixed multiple times, the operation is cumbersome and time-consuming, and greatly affects the welding efficiency. Utility Model Content

[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides a welding tool for an excavator crawler beam positioner, which can quickly fix and flip a workpiece.

[0004] In order to achieve the above technical purpose, the utility model adopts the following technical solutions: a welding tool for a crawler beam positioner of an excavator, comprising a front-end fixing tool fixed to the front end of a workpiece;

[0005] A rear end fixing tool is fixed to the rear end of the workpiece, and the rear end fixing tool cooperates with the front end fixing tool to define the position of the workpiece;

[0006] A driving unit, connected to the front-end fixed tooling and driving the front-end fixed tooling to flip;

[0007] The carrying unit is connected to the rear end fixed tooling and is used to carry the rear end fixed tooling.

[0008] Preferably, the driving unit includes a positioner and a mounting flange, and the mounting flange is driven by the positioner to rotate.

[0009] Preferably, the front-end fixing tooling includes a mounting flange, a mounting groove, a fixing flange and a limiting ring. The mounting flange is evenly circumferentially provided with mounting grooves, and the mounting grooves are provided with mounting bolts. The mounting bolts fix the mounting flange to the assembly flange. A mounting plate is fixed to one side of the mounting flange relative to the assembly flange, and a fixing flange is provided under the mounting plate. The fixing flange is fixed to the workpiece by fixing bolts.

[0010] Preferably, a plurality of reinforcing plates are provided between the mounting plate and the mounting flange.

[0011] Preferably, a limiting ring is fixed in the middle of the mounting flange.

[0012] Preferably, the rear end fixing tooling includes a fixing plate and a supporting plate, the supporting plate is fixed to one side of the fixing plate, and a rotating shaft is coaxially arranged on the other side of the fixing plate, and positioning units are provided on both sides of the top of the supporting plate, and the positioning units include side limit blocks, rear limit blocks and a pressure plate, and the side limit blocks and the rear limit block are both fixed to the supporting plate, and the side limit blocks are threaded with side bolts, the end of the side bolts abuts against the side wall of the workpiece, and the rear limit block abuts against the rear end of the workpiece, and a pressure plate is provided on the rear limit block, and a clamping bolt is passed through the pressure plate, and the bottom end of the clamping bolt is threaded with the supporting plate, and the end of the pressure plate extends into the rear end of the workpiece.

[0013] Preferably, a gasket is provided on the supporting plate, and the gasket abuts against the bottom of the workpiece.

[0014] Preferably, the bearing unit includes an axle bracket and a base, the axle bracket is arranged above the base, the axle bracket includes a support seat and two rotating rollers, the rotating rollers are rotatably connected above the support seat, and the two rotating rollers cooperate to carry the rotating shaft.

[0015] Preferably, a bearing is sleeved on the middle of the rotating roller, and the outer wall of the bearing abuts against the rotating shaft.

[0016] Preferably, a pad is provided under the support seat, and the pad is located between the support seat and the base.

[0017] In summary, the present invention has achieved the following technical effects:

[0018] The excavator crawler beam positioner welding tooling of the utility model adopts a front-end fixing tooling and a rear-end fixing tooling to quickly fix the workpiece, and cooperates with the positioner and the carrying unit to quickly flip the fixed workpiece. The fixing and flipping operations are simple, time-saving, and greatly improve the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the working state of the welding tooling of the crawler beam positioner for excavators of the utility model;

[0020] Figure 2 This is a structural diagram of the front-end fixing fixture of the excavator crawler beam positioner welding fixture of the utility model;

[0021] Figure 3 This is a side view of the front end fixing fixture of the excavator crawler beam positioner welding fixture of the utility model;

[0022] Figure 4 This is a structural diagram of the rear end fixing fixture of the excavator crawler beam positioner welding fixture of the utility model;

[0023] Figure 5This is a structural diagram of the shaft bracket of the welding fixture of the crawler beam positioner of the excavator of the utility model;

[0024] Explanation of the reference numerals in the accompanying drawings in the specification: 1. Positioner; 2. Front-end fixing tool; 21. Mounting flange; 22. Mounting groove; 23. Fixing flange; 24. Limiting ring; 25. Reinforcing plate; 3. Rear-end fixing tool; 31. Fixing plate; 32. Load-bearing plate; 33. Gasket; 34. Side limit block; 35. Side bolt; 36. Rear limit block; 37. Pressure plate; 38. Clamping bolt; 39. Rotating shaft; 4. Shaft bracket; 41. Rotating roller; 42. Bearing; 43. Support seat; 44. Pad; 5. Base; 6. Workpiece. DETAILED DESCRIPTION

[0025] The present invention will be described in further detail below with reference to the accompanying drawings.

[0026] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0029] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0030] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0031] Example 1:

[0032] like Figure 1 As shown, a welding tool for a crawler beam positioner 1 of an excavator includes a front-end fixing tool 2 fixed to the front end of a workpiece 6, a rear-end fixing tool 3 fixed to the rear end of the workpiece 6, a driving unit connected to the front-end fixing tool 2 and driving the front-end fixing tool 2 to flip, and a bearing unit connected to the rear-end fixing tool 3 and used to bear the rear-end fixing tool 3, wherein the rear-end fixing tool 3 cooperates with the front-end fixing tool 2 to limit the position of the workpiece 6; the driving unit includes a positioner 1 and an assembly flange, and the assembly flange is driven to rotate by the positioner 1.

[0033] The excavator crawler beam positioner 1 welding tooling of this embodiment adopts the front-end fixing tooling 2 and the rear-end fixing tooling 3 to quickly fix the workpiece 6, and cooperates with the positioner 1 and the carrying unit to quickly flip the fixed workpiece 6. The fixing and flipping operations are simple and time-saving, which greatly improves the welding efficiency.

[0034] like Figure 2-3As shown, the front-end fixing tooling 2 includes a mounting flange 21, a mounting groove 22, a fixing flange 23 and a limit ring 24. The mounting flange 21 is evenly provided with mounting grooves 22 around the circumference. The mounting grooves 22 are provided with mounting bolts. The mounting bolts fix the mounting flange 21 to the assembly flange. A mounting plate is fixed to one side of the mounting flange relative to the assembly flange. A fixing flange 23 is provided under the mounting plate. The fixing flange 23 is fixed to the workpiece 6 by fixing bolts. Several reinforcing plates 25 are provided between the mounting plate and the mounting flange 21. A limit ring 24 is fixed to the middle of the mounting flange 21.

[0035] like Figure 4 As shown, the rear end fixing tooling 3 includes a fixing plate 31 and a supporting plate 32, the supporting plate 32 is fixed to one side of the fixing plate 31, and a rotating shaft 39 is coaxially provided on the other side of the fixing plate 31. Positioning units are provided on both sides of the top of the supporting plate 32, and the positioning units include side limit blocks 34, rear limit blocks 36 and a pressure plate 37. The side limit blocks 34 and the rear limit blocks 36 are all fixed to the supporting plate 32, and the side limit blocks 34 are threaded with side bolts 35, and the ends of the side bolts 35 abut against the side walls of the workpiece 6, and the rear limit blocks 36 abut against the rear end of the workpiece 6, and a pressure plate 37 is provided on the rear limit block 36. The pressure plate 37 is penetrated by a clamping bolt 38, and the bottom end of the clamping bolt 38 is threadedly engaged with the supporting plate 32, and the end of the pressure plate 37 extends into the rear end of the workpiece 6; a gasket 33 is provided on the supporting plate 32, and the gasket 33 abuts against the bottom of the workpiece 6.

[0036] like Figure 5 As shown, the bearing unit includes a shaft bracket 4 and a base 5, the shaft bracket 4 is arranged above the base 5, the shaft bracket 4 includes a support seat 43 and two rotating rollers 41, the rotating rollers 41 are rotatably connected above the support seat 43, and the two rotating rollers 41 cooperate with the bearing shaft 39; a bearing 42 is sleeved in the middle of the rotating roller 41, and the outer wall of the bearing 42 abuts against the rotating shaft 39; a pad 44 is provided under the support seat 43, and the pad 44 is located between the support seat 43 and the base 5.

[0037] Working principle: First, fix the axle bracket 4 and the positioner 1 on the ground according to the length of the workpiece 6; then use the mounting bolts to lock the front-end fixing tooling 2 and the positioner 1; then the rear-end fixing tooling 3 and the rear-end of the crawler beam workpiece 6 are limited by the side bolts 35, and the rear-end of the workpiece 6 is limited by the clamping bolts 38 and the pressure plate 37; then confirm that each bolt is firmly locked, and use the crane to lift the crawler beam workpiece (together with the rear-end fixing tooling 3). At this time, the rear-end fixing tooling 3 is carried on the axle bracket 4, and the crawler beam and the front-end fixing tooling 2 are locked by fixing bolts. Finally, test, rotate the positioner 1 360°, and weld after confirming that there is no abnormal sound during rotation and the operation is smooth.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A welding tool for an excavator crawler beam positioner, characterized in that: include Front-end fixing fixture, fixed to the front end of the workpiece; A rear end fixing tool is fixed to the rear end of the workpiece, and the rear end fixing tool cooperates with the front end fixing tool to define the position of the workpiece; A driving unit, connected to the front-end fixed tooling and driving the front-end fixed tooling to flip; The carrying unit is connected to the rear end fixed tooling and is used to carry the rear end fixed tooling.

2. The excavator crawler beam positioner welding tool according to claim 1, characterized in that: The driving unit includes a positioner and a mounting flange, and the mounting flange is driven by the positioner to rotate.

3. The excavator crawler beam positioner welding tool according to claim 2, characterized in that: The front-end fixing tooling includes a mounting flange, a mounting groove, a fixing flange and a limiting ring. The mounting flange is evenly circumferentially provided with mounting grooves, and the mounting grooves are provided with mounting bolts. The mounting bolts fix the mounting flange to the assembly flange. A mounting plate is fixed to one side of the mounting flange relative to the assembly flange, and a fixing flange is provided under the mounting plate. The fixing flange is fixed to the workpiece by fixing bolts.

4. The excavator crawler beam positioner welding tool according to claim 3, characterized in that: A plurality of reinforcing plates are provided between the mounting plate and the mounting flange.

5. The excavator crawler beam positioner welding tool according to claim 3, characterized in that: A limiting ring is fixed in the middle of the mounting flange.

6. The excavator crawler beam positioner welding tool according to claim 1, characterized in that: The rear end fixing tooling includes a fixing plate and a supporting plate, the supporting plate is fixed to one side of the fixing plate, and a rotating shaft is coaxially arranged on the other side of the fixing plate, and positioning units are provided on both sides of the top of the supporting plate, and the positioning units include side limit blocks, rear limit blocks and a pressure plate, and the side limit blocks and the rear limit block are both fixed to the supporting plate, and the side limit blocks are threaded with side bolts, the end of the side bolts abuts against the side wall of the workpiece, and the rear limit block abuts against the rear end of the workpiece, and a pressure plate is provided on the rear limit block, and a clamping bolt is passed through the pressure plate, and the bottom end of the clamping bolt is threaded with the supporting plate, and the end of the pressure plate extends into the rear end of the workpiece.

7. The excavator crawler beam positioner welding tool according to claim 6, characterized in that: A gasket is provided on the supporting plate and abuts against the bottom of the workpiece.

8. The excavator crawler beam positioner welding tool according to claim 6, characterized in that: The bearing unit includes a shaft bracket and a base. The shaft bracket is arranged above the base. The shaft bracket includes a support seat and two rotating rollers. The rotating rollers are rotatably connected above the support seat. The two rotating rollers cooperate to carry the rotating shaft.

9. The excavator crawler beam positioner welding tool according to claim 8, characterized in that: A bearing is sleeved on the middle of the rotating roller, and the outer wall of the bearing abuts against the rotating shaft.

10. The excavator crawler beam positioner welding tool according to claim 8, characterized in that: A pad is provided below the support seat, and the pad is located between the support seat and the base.

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