Hoisting tool
A technology for hoisting tools and connecting parts, which is applied in the direction of transportation, packaging, and load hanging components, etc., which can solve the problems of control rods that bother technicians, mechanical parts that are difficult to directly hoist, and control rods that are inconvenient to set rings, etc., to achieve engineering and productization, simple structure and easy operation
Pending Publication Date: 2020-11-20
TSINGHUA UNIV
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Problems solved by technology
[0002] In the technology related to the installation of mechanical parts, large-scale and heavy structures in large equipment need to be hoisted, but it is difficult to directly install hoisting parts (such as lifting rings) on most of the mechanical parts, making it difficult to directly hoist the mechanical parts
Taking the installation of control rods in nuclear reactors as an example, it is inconvenient to install lifting rings on the control rods, and how to install the control rods has become a problem that plagues technicians
In addition, in the related technologies of mechanical parts assembly, no hoisting tools dedicated to control rods have been found, and the problem of hoisting control rods has long troubled technicians
Method used
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[0035] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0036] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "top", "bottom", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiment of the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, should not be construed as limitations on embodiments of the present inven...
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The invention relates to the field of mechanical disassembly and assembly tools, and provides a hoisting tool comprising a connecting component, a movable casing pipe and a hoisting part; the connecting component is rotatably connected with a plurality of clamping pieces; the movable casing pipe is arranged on the outer side of the connecting component in a sleeving mode, and the movable casing pipe is applicable for movement in the axial direction of the connecting component, so that the multiple clamping pieces are switched between the clamping positions close to each other and the opening positions keeping far away from each other; at the opening position, the first surface of the first end of each clamping piece is pressed through he movable casing pipe; at the clamping position, the second surface of the second end of each clamping piece is pressed through the movable casing pipe, and an included angle is formed between the first surface and the second surface; and the hoisting part is connected with the connecting component. According to the hoisting tool provided by the invention, through switching of the movable casing pipe arranged on the first surface and the second surface in a sleeving mode, the switching of the clamping pieces between two states is achieved, and the the hoisting tool is simple in structure, and applicable for hoisting control rods.
Description
technical field [0001] The invention relates to the technical field of mechanical dismounting tools, in particular to a lifting tool. Background technique [0002] In the technology related to the installation of mechanical parts, the larger and heavier structures in large-scale equipment need to be hoisted, but it is difficult to directly install hoisting parts (such as lifting rings) on most of the mechanical parts, making it difficult to directly hoist the mechanical parts. Taking the installation of control rods in nuclear reactors as an example, it is inconvenient to install lifting rings on the control rods, and how to install the control rods has become a problem that plagues technicians. Moreover, in the related technologies of mechanical parts assembly, there is no hoisting tool specially used for control rods, and the problem of hoisting control rods has long puzzled technicians. Contents of the invention [0003] The present invention aims to solve at least one...
Claims
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Login to View More IPC IPC(8): B66C1/44
CPCB66C1/44
Inventor 薄涵亮姜胜耀张亚军王金海秦本科赵陈儒刘潜峰
Owner TSINGHUA UNIV