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Rigid multi-leg supporting and centering structure with supporting radius being adjustable

A technology with adjustable support radius, applied in the field of nuclear engineering, can solve the problem of inability to open or install and move, and achieve the effect of smooth movement of the screw without shaking

Active Publication Date: 2016-07-27
CHINA NUCLEAR POWER OPERATION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] If the current rigid open multi-leg support centering structure is to improve the support effect so that the length of the legs is the same as the radius of the circle, it cannot be opened or installed and moved

Method used

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  • Rigid multi-leg supporting and centering structure with supporting radius being adjustable
  • Rigid multi-leg supporting and centering structure with supporting radius being adjustable
  • Rigid multi-leg supporting and centering structure with supporting radius being adjustable

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The present invention is described in detail below in conjunction with accompanying drawing and embodiment:

[0025] A rigid multi-leg support centering structure with an adjustable support radius, comprising a leg fixing frame 3, two length telescopically adjustable rigid legs 1 fixed on the outer side of the leg fixing frame 3 in the circumferential direction and uniformly angularly spaced in the circumferential direction, and a Cylinder leg 2;

[0026] The length can be telescopically adjusted and the rigid leg 1 includes a leg pipe 8 and a worm gear assembly;

[0027] The worm gear assembly includes an air motor 6 and a worm gear box 7; the worm gear box 7 is fixed on the outer end of the leg pipe 8; the air motor 6 is arranged on the outside of the worm gear box 7; it also includes a screw 5, a worm gear 11, and a worm screw 12; The worm wheel 11 and the worm screw 12 are supported by bearings and placed in the worm gear box 7;

[0028] The lead screw 5 and the w...

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Abstract

The invention relates to a rigid multi-leg supporting and centering structure with the supporting radius being adjustable. The rigid multi-leg supporting and centering structure comprises a supporting leg fixing rack and a plurality of supporting leg assemblies, wherein the supporting leg assemblies are fixed to the outer side of the supporting leg fixing rack in the circumferential direction and spaced at a uniform angle in the circumferential direction. Each supporting leg assembly comprises a worm wheel and worm supporting leg assembly. Each worm wheel and worm supporting leg assembly comprises a supporting leg pipe and a worm wheel and worm assembly. One end of the inner side of each supporting leg pipe is fixed to the outer side of the supporting leg fixing rack. Each worm wheel and worm assembly is arranged at the outer end of the corresponding supporting leg pipe. Each worm wheel and worm assembly comprises a lead screw, a worm wheel and a worm. Each lead screw penetrates into the corresponding supporting leg pipe from the outside of the supporting leg pipe. Each lead screw penetrates through the corresponding worm wheel, the lead screw and the worm wheel are limited in the circumferential direction, and the lead screw and the worm wheel are in sliding fit in the axial direction. Each worm wheel is engaged with the corresponding worm. By the adoption of the rigid multi-leg supporting and centering structure with the supporting radius being adjustable, automatic detection and maintenance of pipelines and containers with different inner diameters can be achieved, and fixation of automatic detection and maintenance equipment in the pipelines and the containers with different inner diameters and the alignment between the equipment and the pipelines are guaranteed.

Description

technical field [0001] The invention relates to the technical field of nuclear engineering, in particular to a rigid multi-leg support centering structure with adjustable support radius. Background technique [0002] In industrial production, pipes and containers of various specifications are more and more widely used. Pipes and containers are prone to defects such as bubbles, cracks, and slag inclusions after metal welding. Defective welds are prone to corrosion at the defect. Slowly expand the medium in the pipeline and the container to leak, and the aging phenomenon of the pipeline and the container is easy to reduce after a long time of use. As a result, industrial production will be affected and serious safety accidents will occur. Therefore, pipelines and containers must be inspected and maintained regularly. [0003] In accordance with the requirements of relevant inspection specifications, in order to realize the automatic inspection and maintenance of pipes and con...

Claims

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Application Information

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IPC IPC(8): B25H1/00
Inventor 王龙张志义辛露张军陈姝秦华容张挺
Owner CHINA NUCLEAR POWER OPERATION TECH
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