SU1692798A1 - Device for fixing box beams to be welded - Google Patents

Abstract

The invention relates to welding, in particular to ancillary equipment for assembly welding, and can be used for assembling box section beams for welding. The purpose of the invention is the expansion of technological capabilities. The objective is achieved in that the clamping levers 15 are equipped with additional levers 19 and 20 to press the upper and lower walls of the beam. The additional levers 19 and 20 are interconnected by an adjustable draft 23. A pair of rollers is mounted on the clamping lever 15, covering the yoke, and on the levers 19 to press the upper wall, another pair of rollers is mounted, covering the beam 9, which is spring-loaded relative to the yoke. When lowering the traverse force cylinder, it acts on the pressure lever rollers and clamps the sidewall to the diaphragm. When the traverse moves further, the spring-loaded beam 9 acts on the rollers, an additional lever 19 to press the upper wall. A lever 19 for pressing the upper wall through the pull 23 acts on the lever 20 for pressing the lower wall. 6 Il. J

Description

The invention relates to welding, in particular to ancillary equipment for assembly and welding operations, and can be used, for example, to assemble box-shaped straight and variable cross-section beams for welding.

The purpose of the invention is the expansion of technological capabilities by providing assembly for welding of box girders along the entire perimeter.

FIG. 1 shows a device for assembling for welding box girders, a general view; in fig. 2 - the same plan; in fig. 3 shows section A-A in FIG. one; in fig. 4 — node I in FIG. 3 (the dash-dotted line shows the initial position of the clamping mechanisms); in fig. 5 is a section bB of FIG. 4; in fig. 6 is a sectional view BB in FIG. four.

The device for assembly for welding of box-shaped beams consisting of two walls 1, two sidewalls 2 and internal saturation elements - diaphragms 3, contains a base 4, a portal 5 on guides 6 installed along the base 4. On the portal 5 a vertical cylinder is fixed 7, on the rod of which the yoke 8 is suspended. Inside the yoke 8 is installed a beam 9 attached to the yoke 8 by means of guide columns 10 Springs 11 are installed on the columns 10 for moving the beam 11. On the portal 5 there is also a screw 12 with right and left threads, Screw him two nuts

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13. On the nuts 13, pairly clamping levers 15 with adjustable supports 16 for pressing the sidewalls 2 are hinged on the axis 14. On each lever 15 there is a pair of rollers 17 and 18 covering the yoke 8.

Two levers 19 and 20 are attached to each presser lever 15 for pressing the walls 1. The lever 19 is pivotally mounted on the axis 21, which is also the axis of the roller 17 and serves to press the upper wall 1, and the lever 20 is installed in the lower part of the lever 15 on the axis 22 and serves to clamp the bottom wall 1. Between the arms 19 and 20 are connected by an adjustable rod 23 with a lanyard 24. A pair of rollers 25 and 26 are fastened to the lever 19, covering the beam 9.

The device works as follows.

In the initial position, the power cylinder rod 7 is retracted, the traverse 8 and the beam 9 are lifted up, the levers 15, 19 and 20 are spread apart. Regulate the supports 16 and t gi 23 lanyards 24.

The bottom wall 1 with pre-welded diaphragms 3 is placed on the base 4, sidewalls 2 are installed and covered with the top wall 1. A command is issued to actuate the power cylinder 7, the stem of which lowers the yoke 8, which, when lowered, presses the rollers 17 of the levers 15, and the levers 15 rotated on the axis 14, clamping their supports 16 of the sidewall 2 to the diaphragms 3. The lowering of the rod of the cylinder 7 continues, while the yoke 8 remains in place since it rests on the rollers 17, and the levers 15 at this moment are fixed. From the crosspiece 8, along the guide columns 10, the beam 9 extends, compresses the spring 11 and interacts with the rollers 25 of the levers 19, and presses on them. Levers 19 turning on axis 2 Allow the top wall 1 and push it to the sidewalls 2. Simultaneously, through the pull 23, the levers 20 turn on the axis 22 and clamp the bottom wall 1. The beam 9 enters the yoke 8 by means of the further movement of the rod of the cylinder 7 begins to rise of the yoke 8 and during its rise

engages the rollers 18 of the clamping levers 15. The levers 15 rotate on the axis 14 and release from the sidewall clamp 2. The portal 5 moves along the guides 6 to the next technological position, where the same operation is repeated.

For assembly for welding of variable cross-section beams or beams with different widths, rotating the screw 12, move the nuts 13 together with the clamping levers 15 suspended on them to the required size.

The proposed device allows assembling beams of both direct and variable cross-section along the entire perimeter on one stand, which expands its technological capabilities.

Claims (1)

The invention of the Device for Assembly for Welding Box Girders, Preferably Consisting of Walls, Sidewalls and Saturation Elements installed with the possibility of the opposite movement in the plane, perpendicular to the plane of movement of the portal, characterized in that, in order to expand technological capabilities by ensuring liver assembly for welding variable cross-section beams around the perimeter, each clamping lever is equipped with additional interconnected adjustable thrust levers for pressing the upper and lower walls, clamping and additional levers are equipped with a pair of rollers; pressing the upper wall, the beam is mounted for movement in a plane parallel to the plane of movement of the cross bar, and the cross bar is located between the pair p pinch levers, 1 g h Phie.1 in-tt-p-tv-n-c. h tu u 1 and-d clever " 12 M-Mg-M tr-br-n-rf-Q-fl 3Fig. I schchschsch " 12 / J 1 P HH1 / F " TH / G5 in-in FIG. 6