Crane boom welding tool

Abstract

The utility model discloses a crane boom welding tool which comprises a base, a positioning plate is arranged on the surface of the base in a sliding mode, a notch is formed in the surface of the positioning plate, a notch ring is connected to the inner side of the notch in a rotating mode, a jack is fixed to the inner side of the notch ring, and a bevel clamping strip is fixed to the end face of an ejector rod of the jack. A first universal ball is fixed to the inner side of the notch of the positioning plate, supporting seats are fixed to the two sides of the positioning plate, a second universal ball is fixed to the inner side of each supporting seat, C-shaped positioning grooves are formed in the two sides of the notch ring, the ball position of each second universal ball is clamped into the inner side surface of the corresponding C-shaped positioning groove, and the cargo boom can be clamped and positioned in the notch ring. And the notch ring can support the rotary turnover surface through the universal ball, so that the rotary turnover surface can be conveniently welded, and the welding is flexible and convenient.

Description

Technical Field

[0001] The utility model relates to the field of crane arm welding tooling, and more specifically, to a crane crane arm welding tooling. Background Art

[0002] During the production process of the crane, it is necessary to weld the reinforcing ribs, lugs and other accessories to the crane arm, usually on a welding tool.

[0003] Among the existing boom welding tools, CN210818225U discloses a crane boom welding tool, which includes a base, a top outer wall of the base near both sides is connected to a support frame by bolts, and both sides of the outer wall of the support frame are provided with threaded holes, the inner wall of the threaded hole is threadedly connected with a threaded rod, the outer wall of the threaded rod is provided with an adjusting wheel, and the outer wall of one end of the threaded rod is provided with a turntable;

[0004] In the above patent, after the crane arm is clamped and positioned, it is a fixed structure, which is not convenient to weld to the other side or the bottom, and needs to be disassembled and turned over, which makes welding inflexible and inconvenient. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a crane boom welding tooling, which can clamp and position the boom in a notch ring, and the notch ring can be rotated and turned over by a universal ball support, which can facilitate the rotation and turning for welding, and the welding is flexible and convenient.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A welding tool for a crane boom comprises a base, a positioning plate is slidably provided on the surface of the base, a notch is provided on the surface of the positioning plate, and a notch ring is rotatably connected to the inner side of the notch, a jack is fixed to the inner side of the notch ring, an angle clamping strip is fixed to the end face of the jack push rod, a first universal ball is fixed to the inner side of the notch of the positioning plate, a support seat is fixed on both sides of the positioning plate, a second universal ball is fixed to the inner side of the support seat, C-shaped positioning grooves are provided on both sides of the notch ring, a ball of the second universal ball is stuck in the inner surface of the C-shaped positioning groove, the boom can be clamped and positioned in the notch ring, and the notch ring can be rotated and turned over by the universal ball support, so that it is convenient to rotate and turn over for welding, and the welding is flexible and convenient.

[0008] Furthermore, the inner surface of the outer end of the support seat is connected with a threaded top screw through a thread, and the threaded top screw is squeezed and fixed on the outer surface of the notch ring.

[0009] Furthermore, the first universal balls are evenly distributed on the inner surface of the notch of the positioning plate, and the balls of the first universal balls are supported on the inner surface of the notch ring.

[0010] Furthermore, a sliding opening is arranged at the lower end of the positioning plate, a positioning protruding sliding strip is arranged on the surface of the base, and the sliding opening is slidably connected to the outer surface of the positioning protruding sliding strip.

[0011] Furthermore, the sliding openings are distributed on both sides of the lower end of the positioning plate, and the positioning protruding sliding strips are distributed on both sides of the upper surface of the base.

[0012] Furthermore, a support platform is fixedly connected to the back side of the positioning plate, and a bolt is threadedly connected to the inner surface of the support platform.

[0013] Furthermore, the lower surface of the bolt is pressed against the upper surface of the base.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) The crane arm can be positioned by clamping inside the notch ring, and the notch ring can be rotated and turned over by a universal ball support, which can facilitate the rotation and turning for welding, and the welding is flexible and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a side view of the overall structure of the utility model;

[0018] Figure 3 It is a side view of the positioning plate of the utility model;

[0019] Figure 4 It is a top view of the connection relationship between the support seat and the second universal ball of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1 base, 2 positioning plate, 3 notch ring, 4 jack, 5 angle clamping strip, 6 first universal ball, 7 support seat, 8 second universal ball, 30 C-shaped positioning groove, 9 threaded top screw, 200 sliding mouth, 100 positioning protruding sliding strip, 10 support platform, 11 bolt. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-4 A welding tool for a crane boom, comprising a base 1, a positioning plate 2 is slidably provided on the surface of the base 1, a notch is provided on the surface of the positioning plate 2, and a notch ring 3 is rotatably connected to the inner side of the notch, a jack 4 is fixed to the inner side of the notch ring 3, and an angle clamping strip 5 is fixed to the end face of the top rod of the jack 4 (when in use, the boom is placed on the angle clamping strip 5 inside the notch ring 3, and the angle clamping strip 5 can be squeezed and moved by the upper and lower jacks 4, so that the boom can be clamped and fixed, and the fixing is convenient);

[0025] A first universal ball 6 is fixed inside the notch of the positioning plate 2, support seats 7 are fixed on both sides of the positioning plate 2, a second universal ball 8 is fixed inside the support seats 7, C-shaped positioning grooves 30 are arranged on both sides of the notch ring 3, and the ball of the second universal ball 8 is inserted into the inner surface of the C-shaped positioning groove 30;

[0026] The inner surface of the outer end of the support seat 7 is connected with a threaded top screw 9 through a thread. The threaded top screw 9 is squeezed and fixed on the outer surface of the notch ring 3 to facilitate extrusion positioning. The threaded top screw 9 is loosened during rotation, and the notch ring 3 can be rotated. The first universal ball 6 is evenly distributed on the inner surface of the notch of the positioning plate 2. The ball of the first universal ball 6 is supported on the inner surface of the notch ring 3. The notch ring 3 can be rotated by supporting the first universal ball 6 and the second universal ball 8. It can be rotated and turned over. After turning over, the threaded top screw 9 can be locked to position it. The welding is flexible and convenient.

[0027] A sliding opening 200 is provided at the lower end of the positioning plate 2, and a positioning protruding slide bar 100 is provided on the surface of the base 1. The sliding opening 200 is slidably connected to the outer surface of the positioning protruding slide bar 100. The sliding openings 200 are distributed on both sides of the lower end of the positioning plate 2, and the positioning protruding slide bars 100 are distributed on both sides of the upper surface of the base 1. The positioning plate 2 can slide to adjust the spacing, and the support position can be adjusted according to the length of the crane arm, which is convenient and flexible to use;

[0028] The back of the positioning plate 2 is fixedly connected to a support platform 10, and the inner surface of the support platform 10 is connected to a bolt 11 through a thread. The lower surface of the bolt 11 is pressed against the upper surface of the base 1, which is convenient for locking and positioning, and convenient for positioning the positioning plate 2.

[0029] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A crane boom welding tool, comprising a base (1), characterized in that: The surface of the base (1) is slidably provided with a positioning plate (2), the surface of the positioning plate (2) is provided with a notch, and a notch ring (3) is rotatably connected to the inner side of the notch, a jack (4) is fixed to the inner side of the notch ring (3), and a folded angle clamping strip (5) is fixed to the end face of the top rod of the jack (4), a first universal ball (6) is fixed to the inner side of the notch of the positioning plate (2), a support seat (7) is fixed on both sides of the positioning plate (2), a second universal ball (8) is fixed to the inner side of the support seat (7), C-shaped positioning grooves (30) are provided on both sides of the notch ring (3), and the ball of the second universal ball (8) is inserted into the inner surface of the C-shaped positioning groove (30).

2. A crane boom welding tool according to claim 1, characterized in that: The inner side surface of the outer end of the support seat (7) is connected with a threaded top screw (9) through a thread, and the threaded top screw (9) is pressed and fixed on the outer surface of the notch ring (3).

3. The crane boom welding tool according to claim 1, characterized in that: The first universal balls (6) are evenly distributed on the inner surface of the notch of the positioning plate (2), and the ball bearings of the first universal balls (6) are supported on the inner surface of the notch ring (3).

4. The crane boom welding tool according to claim 1, characterized in that: A sliding opening (200) is arranged at the lower end of the positioning plate (2), a positioning protruding sliding strip (100) is arranged on the surface of the base (1), and the sliding opening (200) is slidably connected to the outer surface of the positioning protruding sliding strip (100).

5. The crane boom welding tool according to claim 4, characterized in that: The sliding openings (200) are distributed on both sides of the lower end of the positioning plate (2), and the positioning protruding sliding strips (100) are distributed on both sides of the upper surface of the base (1).

6. The crane boom welding tool according to claim 1, characterized in that: The back side of the positioning plate (2) is fixedly connected to a support platform (10), and the inner side surface of the support platform (10) is connected to a bolt (11) via a thread.

7. A crane boom welding tool according to claim 6, characterized in that: The lower surface of the bolt (11) is pressed against the upper surface of the base (1).

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