Grid supporting piece

A support and grid technology, which is applied in the field of steam generators, can solve the problems of unrecyclable materials, material waste, fretting wear of heat exchange tubes and supports, etc.

Pending Publication Date: 2020-06-09
DONGFANG (GUANGZHOU) HEAVY MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structural rigidity of the support is good, and the hoisting is simple, but it adopts the processing method of drilling and drawing holes, which will remove most of the material during processing, and thi...

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Embodiment Construction

[0024] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.

[0025] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0026] I...

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Abstract

The invention discloses a grid supporting piece. The grid supporting piece comprises an annular frame and a grid assembly arranged in the annular frame, the grid assembly comprises a plurality of highsupporting strips and a plurality of low supporting strips, the high supporting strips are provided with a plurality of first inserting grooves formed at intervals, the high supporting strips comprise first high supporting strips and second high supporting strips, a plurality of second inserting grooves are formed between every two adjacent first inserting grooves in the high supporting strips, and the low supporting strips are inserted into the second inserting grooves of the first high supporting strips and the second high supporting strips in an embedded mode. According to the grid supporting piece, the first high supporting strips and the second high supporting strips are mutually inserted and embedded, the high supporting strips and the low supporting strips are mutually inserted andembedded, a self-locking stable supporting assembly is formed, the high supporting strips and the low supporting strips are in a strip shape, the structure formed by mutual embedding of the high supporting strips and the low supporting strips has certain flexibility, uneven thermal expansion of a heat exchange pipe can be compensated, the grid supporting piece has good performance of preventing the heat exchange pipe from vibrating, so that the possibility of micro-vibration abrasion is reduced, and the grid supporting piece is applied to the technical field of steam generators.

Description

technical field [0001] The invention relates to the technical field of steam generators, in particular to a grid support. Background technique [0002] The straight pipe section of the steam generator heat exchange tube needs to be fixed by several supports, refer to figure 1 , 9 supports 100 are required in the steam generator, and the straight pipe section of the heat exchange tube passes through the through hole on the support to fix the heat exchange tube. The existing support generally adopts 30mm thick steel plate through drilling and drawing holes (Special-shaped hole, three-leaf hole or four-leaf hole) forms a porous flat plate structure. According to different steam generators, the diameter of the support is different, the diameter can reach more than 3m, and the weight can reach several tons. The structural rigidity of the support is good, and the hoisting is simple, but it adopts the processing method of drilling and drawing holes, which will remove most of the m...

Claims

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Application Information

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IPC IPC(8): F28F9/013F22B37/20
CPCF22B37/205F28F9/0135
Inventor 叶万丙谢丹梁化黄颖奇
Owner DONGFANG (GUANGZHOU) HEAVY MASCH CO LTD
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