Universal joint lifting appliance for bearing based on U-shaped steel sling
A technology of U-shaped steel and universal joints, applied in the direction of load hanging components, transportation and packaging, etc., can solve the problems of difficult processing, high cost, and large size of the cross shaft, and achieve low cost, simple production, and clear force Effect
Pending Publication Date: 2020-09-22
中铁大桥局集团第八工程有限公司 +1
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Problems solved by technology
[0005] The embodiment of the present application provides a load-bearing universal joint spreader based on U-shaped steel slings to solve the problem of using a typical universal joint structure to make the spreader in the related art, but the cross shaft is large in size, difficult to process, and high in cost. insufficient
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[0035] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.
[0036] The embodiment of the present application provides a load-bearing universal joint spreader based on U-shaped steel slings, which can solve the problem of using a typical universal joint structure to make the spreader in the related art, but the size of the cross shaft is large, difficult to process, and costly. high question.
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The invention relates to a universal joint lifting appliance for bearing based on a U-shaped steel sling, and belongs to the technical field of lifting appliances. The universal joint lifting appliance comprises an upper lifting appliance and a lower lifting appliance, and a universal joint for adjusting the rotating angles of the upper lifting appliance and the lower lifting appliance is arrangedbetween the upper lifting appliance and the lower lifting appliance; the universal joint comprises a first pin shaft connected to the upper lifting appliance, a second pin shaft connected to the lower lifting appliance, and the U-shaped steel sling used for connecting the first pin shaft and the second pin shaft, wherein the first pin shaft and the second pin shaft are adjacently arranged, and the axes of the first pin shaft and the second pin shaft are perpendicular to each other; and the upper end of the U-shaped steel sling is rotationally connected with the first pin shaft, and the lowerend of the U-shaped steel sling is rotationally connected with the second pin shaft. According to the lifting appliance, a cross shaft is replaced by the first pin shaft and the second pin shaft whichare adjacent, are connected through the U-shaped steel sling and are crossed in space, and the lifting appliance has the advantages of being high in bearing capacity, definite in stress, easy to manufacture and low in cost on the premise that flexible connection between the lifting appliance and a lifted object is achieved.
Description
technical field [0001] The present application relates to the technical field of hoisting slings, in particular to a load-bearing universal joint sling based on U-shaped steel slings. Background technique [0002] In the field of hoisting and hoisting, it is difficult for multi-lift cranes, especially cable cranes, to keep the spatial posture of the spreader horizontal or fixed at all times, while the posture of the hoisted object will remain unchanged under the action of its own weight. Therefore, the angle between the spreader and the object to be hoisted is always changing, and the direction and value of the change are uncertain. Therefore, the spreader and the object to be hoisted can only be connected flexibly through a structure similar to a universal joint, and rigid connection is not allowed to avoid The connection structure is deformed by the bending moment until it fails. [0003] At present, the existing universal joints are generally used in the position where t...
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IPC IPC(8): B66C1/10
CPCB66C1/10
Inventor 李兴江谭龙梦申更新唐文斌刘旭刚张忠刚周涌泉卢以龙
Owner 中铁大桥局集团第八工程有限公司