Overturning lifting appliance for hatch cover girder
A spreader and hatch cover technology, applied in the direction of load hanging components, transportation and packaging, can solve the problems of difficult correction, structural deformation, time-consuming and laborious, and achieve the effect of preventing structural deformation and strengthening the hooking ability.
Inactive Publication Date: 2013-10-02
张家港凯航通力船用设备有限公司
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Problems solved by technology
[0002] During the manufacturing process of the hatch cover girder, it is necessary to turn over or transfer several times. The general traditional process is to directly weld the lifting lug on the girder to realize the turning or transferring of the girder. After the hatch cover is manufactured, the lifting lug is cut off. This process will not only damage the girder The base metal on the surface is damaged, and repair welding and grinding are required in the end, which is time-consuming and labor-intensive. If the girder is heavy, it may even cause structural deformation during the turning or transfer process, affecting the flatness of the product, and it is difficult to correct it later
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[0014] A turn-over spreader for a hatch cover girder according to the present invention will be further described in detail through specific embodiments below.
[0015] Such as figure 1 As shown, a turn-over spreader for the hatch cover girder, the girder is provided with a bracket 1, and the bracket 1 is provided with a protruding hooking part 11, and the hooking part 11 is provided with a lifting hole 2 .
[0016] In this embodiment, both sides of the hooking portion 11 are provided with reinforcing plates 3 , and the reinforcing plates 3 are perforated at corresponding positions of the hanging holes 2 , and the reinforcing plates 3 are circular. Of course, the reinforcing plate 3 may be attached to only one side of the hook portion 11 .
[0017] The reinforcing plate 3 and the hooking portion 11 are fixedly installed, and in this embodiment, the reinforcing plate 3 and the hooking portion 11 are welded.
[0018] The hooking part 11 of the stand-up spreader is set on the ...
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The invention discloses an overturning lifting appliance for a hatch cover girder. The girder is provided with a toggle plate; the overturning lifting appliance comprises a hooking part provided with a bulge on the toggle plate; the hooking part is provided with a lifting hole. According to the overturning lifting appliance, the hooking part is arranged on the toggle plate, an integral design is adopted, and the structure can be realized in a numerical control blanking process, so that the welding link is omitted; the toggle plate is generally arranged at the reinforced position of the girder, so that the strength of the toggle plate completely meets overturning and transferring demands of the girder, and structural deformation is not caused; after a hatch cover main body structure is produced, the hooking part of the toggle plate is removed by cutting, and then the toggle plate is polished; the overturning lifting appliance is simple to manufacture, convenient and fast.
Description
technical field [0001] The invention relates to a turn-over spreader for a hatch cover girder. Background technique [0002] During the manufacturing process of the hatch cover girder, it is necessary to turn over or transfer several times. The general traditional process is to directly weld the lifting lug on the girder to realize the turning or transferring of the girder. After the hatch cover is manufactured, the lifting lug is cut off. This process will not only damage the girder The base metal on the surface is damaged, and repair welding and grinding are required in the end, which is time-consuming and labor-intensive. If the girder is heavy, it may even cause structural deformation during the turning or transfer process, affecting the flatness of the product, and it is difficult to correct it later. Contents of the invention [0003] The technical problem to be solved by the present invention is: to provide a turn-over spreader for a hatch cover girder, which can re...
Claims
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IPC IPC(8): B66C1/22
Inventor 张海飞於志强
Owner 张家港凯航通力船用设备有限公司