HOLONOMIC WELDING TRACTOR Russian patent published in 2019 - IPC B23K37/02 

FIELD: technological processes.

SUBSTANCE: invention relates to holonomic welded tractor and can be used for welding of inner and outer lengthwise, annular one- or multi-pass butt and angular joints. Tractor comprises bogie consisting of first and second horizontal supports connected by U-like frame. Servomotors with reduction gearboxes are fitted at the ends of each support, omnicholes are fitted on output shafts. Retention devices are fixed on supports. Cart is equipped with linear gear-and-rack drive, motor-reducers of which are fixed on central platform located between supports. In the centre of the platform there is a quick-detachable rotary mechanism with a vertical bearing post installed in it and made with possibility of rotation. Support of welding head positioning system horizontal and vertical supports is fixed on post. Welding head with flux bunker and electrode wire feeding mechanism is installed in the centre of vertical support on rotary cam. Tractor comprises control unit made on the basis of industrial controller, to which feedback sensors and actuators are connected.

EFFECT: technical result consists in improvement of technological effectiveness of welding using tractor.

8 cl, 8 dwg