CN219542106U

CN219542106U - Tubular product girth welding set

Info

Publication number: CN219542106U
Application number: CN202320340690.XU
Authority: CN
Inventors: 马庆东; 任长清; 王俊霞
Original assignee: Anyang Tengrui Energy Saving Equipment Co ltd
Current assignee: Anyang Tengrui Energy Saving Equipment Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-18
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of welding devices, in particular to a tubular product girth welding device which comprises a bottom plate, and is characterized in that two support tables which are symmetrically arranged left and right are fixedly connected to the bottom plate, the upper ends of the support tables are respectively fixedly connected with a clamping device, the upper end of the bottom plate is fixedly connected with a bracket, and the bracket is movably matched with a welding gun; each clamping device comprises two V-shaped lower supports which are arranged at intervals transversely and fixedly connected with a supporting table, the supporting table is fixedly connected with two vertical rods which are arranged front and back symmetrically, the upper ends of the vertical rods are fixedly connected with connecting rods, the connecting rods are rotationally connected with screw rods, the lower ends of the screw rods are rotationally connected with V-shaped upper supports which are positioned between the two V-shaped lower supports, and the front ends and the rear ends of the V-shaped upper supports are respectively in vertical sliding fit with corresponding side vertical rods.

Description

Tubular product girth welding set

Technical Field

The utility model relates to the technical field of welding devices, in particular to a tubular product girth welding device.

Background

In the heating and ventilation construction process, pipelines with various specifications are often required to be welded and connected in order to meet construction requirements sometimes, and pipelines with the same specifications are welded and connected by adopting girth welding, namely, one circle of welding is performed along the joint of the two pipelines so as to ensure the tightness of the joint. At present, when carrying out girth welding on pipelines in a heating and ventilation engineering construction site, a corresponding clamping device is often lacking, an operator often grasps two pipelines by bare hands to splice, and then spot welding is carried out at the splice after spot welding is fixed, however, the operation not only consumes manpower, but also affects the welding effect, and the coaxiality of the two pipelines is greatly deviated due to manual operation, so that the tightness and the welding effect of the joint are affected.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a pipe girth welding device, which solves the technical scheme that the pipe girth welding device comprises a bottom plate, and is characterized in that two supporting tables which are symmetrically arranged left and right are fixedly connected to the bottom plate, the upper ends of the supporting tables are respectively fixedly connected with a clamping device, the upper ends of the bottom plate are fixedly connected with a bracket, and the bracket is movably matched with a welding gun;

each clamping device comprises two V-shaped lower supports which are arranged at intervals transversely and fixedly connected with a supporting table, the supporting table is fixedly connected with two vertical rods which are arranged front and back symmetrically, the upper ends of the vertical rods are fixedly connected with connecting rods, the connecting rods are in threaded connection with screws, the lower ends of the screws are rotationally connected with V-shaped upper supports which are positioned between the two V-shaped lower supports, and the front ends and the rear ends of the V-shaped upper supports are respectively in vertical sliding fit with corresponding side vertical rods.

Preferably, each supporting platform comprises two supporting legs which are arranged at intervals in the transverse direction and fixedly connected with the bottom plate, the upper ends of the two supporting legs are fixedly connected with horizontal supporting plates, and the horizontal supporting plates are fixedly connected with the V-shaped lower support.

Preferably, the support comprises a vertical rod fixedly connected with the bottom plate, and the upper end of the vertical rod is fixedly connected with a sleeve for clamping and welding guns.

Preferably, the upper end of each screw is fixedly connected with a hand wheel.

Preferably, all the V-shaped lower brackets are coaxially arranged.

The utility model has the beneficial effects that:

1. when the welding gun on the support is used, the welding gun on the support can be used for welding operation, the clamping devices on the two support tables can be used for clamping and fixing the pipelines to be welded, and all the V-shaped lower supports in the clamping devices are coaxially arranged, so that the coaxiality of the pipelines in the two clamping devices can be ensured, the welding effect of the joint is ensured, the sealing performance of the welding position is ensured, and the welding gun is simple and convenient to operate, simple in structure and high in practicability.

2. According to the utility model, the clamping device is arranged to replace the traditional heating and ventilation construction welding process to fix the pipeline by manually holding the pipeline, so that the fixing effect is ensured.

Drawings

Fig. 1 is a perspective view of a first view angle of the present utility model.

Fig. 2 is a perspective cross-sectional view from a second perspective of the present utility model.

Fig. 3 is an enlarged view of region a in a second perspective cross-sectional view of the present utility model.

Fig. 4 is a front view of the present utility model.

Reference numerals

1. The welding gun comprises a bottom plate, a supporting table, a welding gun, a 4.V type lower support, a vertical rod, a 6 type connecting rod, a 7 type screw rod, a 8.V type upper support, a 9 type supporting leg, a 10 type horizontal supporting plate, a 11 type vertical rod, a 12 type sleeve, a 13 type hand wheel, a 14 type clamping device and a 15 type bracket.

Detailed Description

The following describes embodiments of the present utility model in further detail with reference to fig. 1-4.

According to the first embodiment, the technical scheme is that when the welding gun welding device is used, the welding gun 3 arranged on the bracket 15 on the bottom plate 1 can be used for welding operation, the clamping devices 14 on the two supporting tables 2 can be used for clamping and fixing pipelines to be welded, all the V-shaped lower supports 4 in the clamping devices 14 are coaxially arranged, so that the coaxiality of the pipelines in the two clamping devices 14 can be ensured, the welding effect of a joint is ensured, the sealing performance of the welding position is ensured, and the welding device is simple and convenient to operate, simple in structure and high in practicability. According to the utility model, the clamping device 14 replaces the traditional heating and ventilation construction welding process to fix the pipeline by manually holding the pipeline, so that the fixing effect is ensured.

In the second embodiment, when welding pipes of the same specifications, the two pipes are fixed to the two clamping devices 14, respectively, and the ends of the two pipes are abutted. Specifically, when fixing the pipeline, one pipeline is transversely placed in the two V-shaped lower supports 4 of the clamping device 14, so that the lower edge of the pipeline is abutted with the V-shaped upper support 8. Then the screw rod 7 on the connecting rod 6 is rotated clockwise, a hand wheel 13 is arranged for facilitating the rotation of the screw rod 7, the screw rod 7 is rotated clockwise to drive the V-shaped upper support 8 to move downwards along the vertical rod 5, the V-shaped upper support 8 is further moved downwards and is abutted with the upper edge of the pipeline, at the moment, the upper edge and the lower edge of the pipeline are respectively clamped and fixed by the V-shaped upper support 8 and the V-shaped lower support 4, the pipeline is further fixed in the clamping device 14, and then the other clamping device 14 can be used for fixing the other pipeline, and the opposite ends of the two pipelines are abutted so as to facilitate girth welding. Correspondingly, the screw rod 7 is rotated anticlockwise to drive the V-shaped upper bracket 8 to move upwards along the vertical rod 5.

In the third embodiment, on the basis of the second embodiment, after two pipelines are fixed, the welding gun 3 is taken out from the cutting sleeve, and after the welding gun 3 is started, a welder holds the welding gun 3 in a hand manner to weld the circumferential seams of the two pipelines. The sleeve 12 on the upright rod 11 can be movably clamped with the welding gun 3, so that the welding gun 3 can be conveniently placed. The support table 2 is composed of support legs 9 and a horizontal pallet 10.

Claims

1. The tubular product girth welding device comprises a bottom plate (1), and is characterized in that two supporting tables (2) which are symmetrically arranged left and right are fixedly connected to the bottom plate (1), clamping devices (14) are fixedly connected to the upper ends of the supporting tables (2) respectively, a bracket (15) is fixedly connected to the upper end of the bottom plate (1), and a welding gun (3) is movably matched with the bracket (15);

each clamping device (14) comprises two V-shaped lower supports (4) which are arranged at intervals transversely and fixedly connected with a supporting table (2), two vertical rods (5) which are arranged front and back symmetrically are fixedly connected with the supporting table (2), connecting rods (6) are fixedly connected to the upper ends of the vertical rods (5), screw rods (7) are connected to the connecting rods (6) in a threaded mode, V-shaped upper supports (8) which are located between the two V-shaped lower supports (4) are connected to the lower ends of the screw rods (7) in a rotating mode, and the front end and the rear end of each V-shaped upper support (8) are respectively in vertical sliding fit with the corresponding side vertical rods (5).

2. The pipe girth welding device according to claim 1, wherein each supporting table (2) comprises two supporting legs (9) which are arranged at intervals in the transverse direction and fixedly connected with the bottom plate (1), the upper ends of the two supporting legs (9) are fixedly connected with a horizontal supporting plate (10), and the horizontal supporting plate (10) is fixedly connected with the V-shaped lower support (4).

3. The pipe girth welding device according to claim 1, wherein the bracket (15) comprises a vertical rod (11) fixedly connected with the bottom plate (1), and a sleeve (12) for clamping and welding gun (3) is fixedly connected to the upper end of the vertical rod (11).

4. The pipe girth welding device according to claim 1, wherein a hand wheel (13) is fixedly connected to the upper end of each screw (7).

5. A tubular product girth welding apparatus according to claim 1, wherein all of said V-shaped lower brackets (4) are coaxially arranged.