SU1654247A1 - Load-hoisting device - Google Patents

Abstract

The invention relates to lifting and handling equipment, namely lifting devices. The purpose of the invention is to improve performance. The device contains a span structure 1 with supporting posts 2, mechanisms 4 for moving and lifting 7, a tilt angle mechanism 8 with a drum 9, a rotary column 5 with a carrying frame 6 and a cross-bar 10. carrying load-gripping devices. The supporting frame 6 is rigidly and coaxially fixed to the columns 5 parallel to the span structure 1, and the mechanism 8 is designed as a double polyspast 12, the branches of the rope of which are connected to the mechanism 7. The load hooks are hinged on the balancers 17 and matching buttons 15 which are connected by hinges 14 with the cross bar 10. Depending on the configuration of the load, the cross bar 10 is oriented horizontally with the help of column 5, and the mechanism 8 is vertically aligned, the load grippers 17 are set by turning the balancers 16, and the pair 14 into the desired position. The grab load is lifted to the desired height and moved. 4 il. 00 s

Description

The invention relates to lifting and handling equipment, namely to lifting devices.

The purpose of the invention is to improve operational capabilities.

FIG. 1 shows a lifting device; in fig. 2 is a view A of FIG. one; in fig. 3 - one of the working positions of the grippers in the plan; in fig. 4 - the same, different position of the grippers.

The lifting device comprises a span structure 1 supported on support leg 2 and crane girder 3 via movement mechanisms 4. A rotary column 5 is located on the superstructure, on which parallel to the superstructure are rigidly and symmetrically fixed carrier frame 6, mechanism 7

lifting mechanism 8 of the angle of inclination with the drum 9 and the traverse 10. At the ends of the supporting frame 6 and the traverse 10 blocks are mounted

11. Traverse 10 is suspended from frame 6 and pivot column 5 on a double chain pulley.

12, the branches of which are coupled with the lifting mechanisms 7 and the inclination angle 8 with the drum 9. In the middle of the crosspiece 10, a telescopic guide 13 is articulated and coaxially with the column 5 with rotation fixed. In the lower part, the traverses are mounted on cylindrical hinges 14, pairings 15, at the ends of which balancers 17 with load grips 1.8, for example magnetic, are suspended on spherical hinges 16.

The device works as follows. Lifting mechanism 7 raises traverse 10 to its initial position - neo ate

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how much higher is the top of the load or other items on the way to the service area. Mechanism 4 moves the device to the load, combines the centers of the traverse and the load, Traverses 10 with the help of the rotary column 5 are oriented in the horizontal section: with the axes, and mechanism 8 of the angle of inclination of the traverse 10 in the vertical plane.

Depending on the configuration of the load (clean, strip, beam), the load grippers (electromagnets) 17 are installed by turning the balancers 16, the match mates 14, respectively, around the vertical axes of the hinges 13 and 15. By driving the mechanism 7, raise the yoke 10 to the required height, and If necessary, the inclination angle is changed by the drive of the mechanism 8 due to the rewinding of the rope 12 without sliding. The mechanism 4 is driven by a drive to the treatment area and (if necessary, the direction of the crosshead 10 is adjusted with the load by turning the column 5 and the mechanism 8 horizontally and vertically at the required angles. The drive 7 is lowered the crosshead 10 with the load to the receiving processing point and the grippers 17 are turned off and device is reset to the next work cycle.

Claims (1)

The invention of lifting device containing a superstructure, mounted on the mechanisms of its movement, interconnected, carrying frame and telescopic column, at the lower end of the movable part of which, using a horizontal axis, a gripper with blocks is mounted, its lifting and tilting mechanism includes two driving drums attached additional blocks on the carrier frame and a flexible traction body that covers them, one end of which is fixed on one of the drums, differs in that In terms of operating characteristics, the axes of the drum-l blocks are oriented parallel to the hinge axis of the clamping hinge, the other end of the flexible traction body is fixed on the first drum and its branches departing from the barrel are one below, the other is tangential to the top of the latter, and A part of the flexible U body is stockpiled on the other drum with the formation of several turns and a descent from the upper part of the drum of both branches in opposite directions. 7T.I 111 2 2 t G 1 I I I G 1 I f 7 eleven T. ill 111 gt  H