Clamp device and method for welding of front floor of special vehicle

Abstract

The invention discloses a clamp device and method for welding of a front floor of a special vehicle. The clamp device comprises a plate seat main body (3), wherein one end of the plate seat main body (3) is fixedly connected with a power device (4), the other end of the plate seat main body (3) is provided with a wheel disc (31), and the wheel disc (31) is fixedly connected with a wheel disc fixing seat (2); the wheel disc fixing seat (2) is fixed to a first supporting base (1), the power device (4) is fixed to a second supporting base (5), and the first supporting base (1) and the second supporting base (5) are in direct contact with the ground; locking devices (6) are further arranged on the first supporting base (1), and locking pins (64) are arranged on the locking devices (6); and the wheel disc (31) is further provided with locking holes (312). According to the device, the plate seat main body (3) can be locked at any angle, overhead welding is changed into flat welding, and the labor intensity of operators is reduced.

Description

technical field [0001] The invention belongs to the technical field of special vehicle manufacturing, and more specifically relates to a fixture device and method for welding a front floor of a special vehicle. Background technique [0002] Special vehicles are widely used in special operations such as airdrop operations, frontier patrols, scientific expeditions, forest protection, public security and riot control, emergency rescue and disaster relief. Among them, the floors of special vehicles used in the field of national defense are generally welded with bulletproof steel plates. Generally speaking, special vehicles The front floor adopts MAG welding (Metal Active Gas Arc Welding) method to carry out double-sided full welding of bulletproof steel plates. Among them, the front weld can be welded on the existing fixture, and the deformation control of the bulletproof steel plate is better. When welding the back weld of the bottom of the front floor, the front floor needs to...

AI Technical Summary

Problems solved by technology

[0003] The prior art has the following disadvantages: (1) This welding method leads to high labor intensity for workers, and it is easy to damage the eyes, neck, waist and other parts, and it is difficult to form the weld seam.

Poor post-welding quality is prone to serious welding defects such as incomplete penetration and welding bumps, which affect the protection ability of the special vehicle floor. Since the high stool has no positioning and clamping mechanism, the deformation of the steel plate after welding is extremely large; (2) Before the welding operation Pre-deformation control cannot be carried out, and multi-point pre-tightening force control cannot be carried out for larger military vehicle floors; (3) There is no multiple safety protection during the welding process, which is prone to accidents caused by accidental contact of fixtures and equipment

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