A kind of rotating body hoisting device and method
A lifting device and a technology of a revolving body, which is applied in the directions of transportation, packaging, and load-hanging components, etc. It can solve the problems of short thread fit length, influence on the strength performance of the revolving body, and reduce the strength performance of the revolving body, so as to increase the length and diameter , increase the matching area, and the effect of firm connection
Active Publication Date: 2020-05-05
GUANGZHOU SHIPYARD INTERNATIONAL LTD
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Problems solved by technology
[0004] On the one hand, due to the small thread of the eye screw and the short length of thread matching, the connection between the eye screw and the revolving body is not firm, and the revolving body and the eye screw are easy to loosen; on the other hand, the drilling at one end of the revolving body damages the rotation body integrity, reducing the strength performance of the rotating body
To sum up, there is a safety hazard of the revolving body falling through the lifting method of the ring screw, and it has a great influence on the strength performance of the revolving body
Method used
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[0041] In order to enable those skilled in the art to better understand the technical solution of this embodiment, the technical solution of this embodiment will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0042] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product is used. Certain orientations, constructed and operative in certain orientations, therefore are not to be construed as limitations on the invention.
[0043] At present, for hoisting the revolving body, it is usually to drill a hole at one end of the revolving body, then connect the eyebolts to the revolving body, and finally use the eyebolt hole...
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The invention relates to the technical field of hoisting equipment, in particular to a revolution body hoisting device and method. The revolution body hoisting device provided by the invention comprises a sleeve and a hoisting ring, wherein one end of the sleeve is open, and the sleeve comprises a sleeve wall and a baseplate; and the inner side of the sleeve wall is provided with internal threadsused for cooperation with the external threads of the hoisting end of a revolution body, and the hoisting ring is fixedly arranged on the side, far away from the open end, of the baseplate. Accordingto the evolution body hoisting device provided by the invention, the sleeve is fixed to the outer side of the hoisting end of the revolution body, and then the revolution body is hoisted through the hoisting ring; compared with a traditional hoisting ring screw, the revolution body hoisting device has the features that the length and diameter of cooperation between the internal threads and the external threads are prolonged, so that the cooperation area is increased; thus, the connection between the revolution body and the sleeve is firmer, and the stable hoisting of the revolution body can beachieved; and the outer side of the revolution body is provided with the external threads without influence on the strength performance of the revolution body.
Description
technical field [0001] The invention relates to the technical field of hoisting equipment, in particular to a hoisting device and method for a revolving body. Background technique [0002] Rotary bodies are often used in industrial production, such as propeller shafts, drilling shafts, etc. These rotary bodies are characterized by long length, heavy weight, and no lifting ring on the surface, making lifting difficult. [0003] For the lifting of the revolving body, the current common lifting method is to drill a hole at one end of the revolving body, then connect the eyebolts to the revolving body, and finally use the eyebolt holes of the eyebolts for hoisting. [0004] On the one hand, due to the small thread of the lifting ring screw and the short matching length of the thread, the connection between the lifting ring screw and the revolving body is not firm, and the revolving body and the lifting ring screw are easy to loosen; on the other hand, drilling at one end of the ...
Claims
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IPC IPC(8): B66C1/62
CPCB66C1/62
Inventor 葛兴伟张友智邓先国朱寅
Owner GUANGZHOU SHIPYARD INTERNATIONAL LTD