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Upper part C-ring cutting device of canned-motor pump

A technology of cutting device and bottom support, which is applied in the direction of grinding drive device, grinding/polishing safety device, grinding machine tool parts, etc., can solve the problems such as complex structure of cutting device, achieve positioning and stable operation in the circumferential direction, The effect of avoiding pollution and ensuring positioning accuracy

Pending Publication Date: 2019-11-05
SANMEN NUCLEAR POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned cutting device has a complicated structure

Method used

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  • Upper part C-ring cutting device of canned-motor pump
  • Upper part C-ring cutting device of canned-motor pump
  • Upper part C-ring cutting device of canned-motor pump

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Embodiment Construction

[0033] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0034] After removing the main bolts of the shielded main pump and leaving four symmetrical bolts, the upper C-ring of the shielded main pump is cut by an upper C-ring cutting device of the present invention.

[0035] Such as figure 1 , A C-ring cutting device for shielding the upper part of the main pump of the present invention includes a circumferential guide rail 2 , a circumferential slider 6 , a radial guide rail 7 , a radial slider 8 , and an angle grinder 10 . The circumferential guide rail 2 is installed on the main pump flange 13 through the circumferential support body assembly, so that there is a gap between the circumferential guide rail 2 and the main pump flange 13, that is, the circumferential guide rail is...

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Abstract

The invention discloses an upper part C-ring cutting device of a canned-motor pump, and belongs to the technical field of maintenance of large-scale canned-motor pumps of nuclear power plants. The device comprises a circumferential guide rail, a circumferential sliding block, a radial guide rail, a radial sliding block and an angle grinder; the circumferential guide rail is arranged on a pump flange through a circumferential support body assembly, and a gap is reserved between the circumferential guide rail and the pump flange; the circumferential sliding block is arranged on the circumferential guide rail, so that the circumferential sliding block can slide in the circumferential direction of the circumferential guide rail; the radial guide rail is fixed on the circumferential sliding block, and the radial sliding block is arranged on the radial guide rail, so that the radial sliding block can slide in the radial direction of the radial guide rail; and the angle grinder is arranged onthe radial sliding block. According to the device, when the whole canned-motor pump is replaced, the operation is simple, and the use is convenient and flexible.

Description

technical field [0001] The invention belongs to the technical field of maintenance of large shielded main pumps in nuclear power plants, and specifically relates to an upper C-shaped sealing ring (hereinafter referred to as the upper C-shaped ring) used for cutting the main flange of the shielded main pump and welding the pump casing during the overall disassembly process of the shielded main pump. , on the premise of protecting the heat shield from damage, realize the rapid cutting of the C-shaped ring on the upper part of the shielded main pump, lay the foundation for the overall disassembly of the shielded main pump, and effectively optimize the overall disassembly period of the shielded main pump. Background technique [0002] After the nuclear power plant has been in operation for a long time, the possibility of problems with other components such as the thrust bearing of the main pump and the shielding sleeve will gradually increase. Special maintenance tools are very ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B27/06B24B41/02B24B41/06B24B55/06B24B47/20
CPCB24B27/06B24B41/02B24B41/06B24B55/06B24B47/20
Inventor 李涛曹阳王信东董宝泽王斌元廖长城李松耿加森郦元辉林鑫辉王扬王超杨志业
Owner SANMEN NUCLEAR POWER CO LTD
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