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A cable bridge structure for laying cables on top of a nuclear power plant reactor

A technology for cable tray and cable layout, applied in electrical components, hoses, pipes, etc., can solve problems such as increasing the risk of radiation exposure for installation and maintenance personnel, and achieve the effect of reducing risks, reducing risks, and reducing distances

Active Publication Date: 2016-01-27
SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high radiation dose in the reactor cavity, this also increases the risk of radiation exposure to installation and maintenance personnel

Method used

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  • A cable bridge structure for laying cables on top of a nuclear power plant reactor
  • A cable bridge structure for laying cables on top of a nuclear power plant reactor
  • A cable bridge structure for laying cables on top of a nuclear power plant reactor

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Experimental program
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Effect test

Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] A cable bridge structure for cable arrangement on the top of a nuclear power plant, including a support column 5, a flexible cable arrangement device 6, a cable connection plate 8, a cable bridge 9, a guide rail structure 10, a bridge movement limiting device 11, a rack and pinion pair 12, Cable tray mounting seat 17, backing plate 21, pad 22, connecting pair 23, connecting pin 26, limiter 27 and backing plate rotation device 29; wherein, cable connecting plate 8 and cable tray 9 are rectangular, and the cable interface Corresponding to each other; one side of the operation platform 4 and the cable connection plate 8 is installed and fixed by the connection pin 26 to form a swing structure; the operation platform 4 and the cable connection plate 8 are installed and fixed before and after the fixed parts, and the support column 5 and the limit devi...

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PUM

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Abstract

The invention provides a cable tray structure for nuclear power plant reactor top cable arrangement. The cable tray structure comprises a support column (5), a flexible cable arrangement device (6), a cable connecting plate (8), a cable tray (9), a guide rail structure (10), a tray moving limit device (11), a gear rack pair (12), a cable tray mounting seat (17), a base plate (21), a spacer (22), a connecting pair (23), a connecting pin (26), a limit device (27) and a base plate rotating device (29). The weight of an integrated reactor top component is reduced, the risk of lifting the structure of the integrated reactor top component is relieved, the distance between the gravity center of the integrated reactor top component and a geometric center is shortened, and transformation of different positions of the cable tray is ensured in running of the cable tray and refueling peroration.

Description

technical field [0001] The invention belongs to the technical field of design of nuclear reactors in nuclear power plants, and in particular relates to a cable bridge structure for arranging cables on the reactor top of the nuclear power plant. Background technique [0002] The nuclear reactor is located in the containment of the nuclear power plant and is one of the key equipments of the nuclear steam supply system. Among them, the integrated reactor roof assembly is a major device on the reactor that integrates several equipment or components with different functional requirements on the reactor roof to simplify the refueling operation of the reactor. The main function of the integrated reactor roof assembly is to realize the overall lifting, transfer and storage of the reactor roof assembly through the integrated operation with the top cover of the reactor pressure vessel during the reactor shutdown and refueling period. The centralized arrangement of the cables greatly s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L3/01
CPCH02G3/0456
Inventor 沈秋平郝国锋徐峰廖家麒刘刚陈禹冯颖慧王丰龚碧颖翁娜闵鹏
Owner SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD
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