Nuclear main pump stator shield sleeve zero-clearance plasticity attachment precision assembly device

A technology for assembling equipment and shielding sleeves, which is applied in the field of nuclear power, can solve the problems of aggravating the unevenness of shielding sleeve thickness deformation, the inability to perform precise assembly, and the inability to complete assembly, so as to achieve seamless plastic deformation attachment, save materials, and avoid The effect of failure
CN103084830BInactive Publication Date: 2015-07-15DALIAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
DALIAN UNIV OF TECH
Publication Date
2015-07-15
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a nuclear main pump stator shield sleeve zero-clearance plasticity attachment precision assembly device which is mainly used for zero-clearance plastic deformation attachment precision assembly between a nuclear main pump stator shield sleeve and a shield motor stator and belongs to the field of nuclear electricity. The nuclear main pump stator shield sleeve zero-clearance plasticity attachment precision assembly device is composed of a stator module, a module rack, a hydraulic system and a control system. Hydraulic pressure in a sealed cavity and a load path of the hydraulic pressure are accurately controlled after being determined through analysis of a technology value through utilization of incompressibility of liquid through computer programming, wherein the sealed cavity is formed by the stator shield sleeve and a support cylinder of the stator module. Assembly process of repeatedly and evenly loading and unloading the ultra-thin stator shield sleeve with a large length-diameter ratio is achieved. Plastic deformation of materials is accurately controlled and the zero-clearance plastic deformation attachment precision assembly of the stator shield sleeve is achieved.
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Description

technical field

[0001] The invention relates to a precision assembly equipment for the non-gap plastic attachment of the stator shielding sleeve of a nuclear main pump, which is mainly used for thin-wall stator shielding sleeves.

[0002] The non-gap plastic deformation attachment precision assembly of the sub-shielding sleeve and the stator belongs to the field of nuclear power. Background technique

[0003] In recent years, nuclear power has been more and more favored by countries due to its advantages of high efficiency, energy saving and environmental protection. In nuclear power plants, the nuclear reactor coolant main circulation pump - the nuclear main pump, is one of the key components of the nuclear reactor island and belongs to the nuclear safety first-level equipment. For the third-generation passive nuclear reactor, the nuclear main pump is a single-stage, fully sealed, high inertia, centrifugal unsealed shielded electric pump with a shielded motor. In order to...

Claims

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