Mass center adjustable single-beam horizontal lifting tool

Abstract

The invention discloses a mass center adjustable single-beam horizontal lifting tool which comprises a lifting beam assembly, two front lifting bands and two rear lifting bands. The lifting beam assembly comprises two parallel main beams, the middles of the two main beams are fixedly connected through a connecting beam, and a lifting lug is arranged in the middle of the connecting beam. Two frontlifting holes are formed in the front end of each of the two main beams, and two rear lifting holes are formed in the rear end of each of the two main beams. The lower ends of the two front lifting bands are correspondingly connected with front connecting plates, the upper ends of the two front lifting bands are correspondingly connected with front connecting forks, and the two front connecting forks are connected with the front lifting holes in the two main beams correspondingly. The lower ends of the two rear lifting bands are correspondingly connected with basket bolts, the two basket boltsare correspondingly connected with rear connecting plates, the upper ends of the two rear lifting bands are correspondingly connected with rear connecting forks, and the two rear connecting forks areconnected with the rear lifting holes in the two main beams correspondingly. The mass center adjustable single-beam horizontal lifting tool has the advantages of being simple in structure, convenientto adjust and high in adaptability, stepless adjustment of the mass center position of a lifted product can be achieved, and safety and efficiency of product lifting are improved.

Description

Technical field [0001] The invention relates to a sling, in particular to a single-beam horizontal sling capable of adjusting the position of the center of mass. Background technique [0002] In the military and aerospace fields, it is often necessary to use spreaders to hoist missiles, rockets and other products onto a support truck or work truck for reloading. Due to the particularity of the hoisted product, higher requirements are put forward for the spreader. First, the angle between the axis of the hoisted product and the horizontal plane must not be greater than 3°, and the center of mass of the hoisted product must not deviate from the vertical axis of the hook. It is greater than 100mm; secondly, the front and rear slings must not generate additional axial force on the hoisted product; thirdly, the sling must not be too high to meet the lifting requirements of the operating vehicle and hoisting. In order to meet the above requirements, the spreaders currently used in thi...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of single function, cumbersome operation and heavy weight in the existing spreader, the present invention provides a single-girder horizontal spreader with adjustable center of mass, including horizontally arranged "I"-shaped lifting beams assembly, two front slings and two rear slings, the suspension beam assembly includes two parallel main girders, the middle parts of the two main girders are fixedly connected by connecting beams, and the middle parts of the connecting girders are provided with lifting lugs; the two main girders The front ends of the two main beams are provided with two front hanging holes at intervals, and the front hanging holes on the two main beams are symmetrically distributed, and the rear ends of the two main beams are provided with two rear hanging holes at intervals, and the The rear hanging holes on the two main girders are distributed symmetrically; the lower ends of the two front suspenders are respectively connected to the front connecting plate through the stop pins, and the upper ends of the two front suspenders are respectively connected to the front connecting fork through the stop pins respectively. The two front connecting forks are respectively connected to the front hanging holes on the two main beams through stop pins; the lower ends of the two rear slings are respectively connected to turnbuckle bolts through stop pins, and the two turnbuckle bolts are connected to rear connecting plates correspondingly. The upper ends of the two rear slings are respectively connected to the rear connecting forks through the stop pins, and the two rear connecting forks are respectively connected to the rear hanging holes on the two main beams through the stop pins

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