Supporting tool for heat exchange unit inner cylinder assemblies of high-temperature gas cooled reactors and preparing method
A high-temperature gas-cooled reactor and heat exchange unit technology, which is applied to metal processing equipment, supports, positioning devices, etc., can solve the problems of indexing and grooving of inner cylinder components, so as to ensure accuracy, reduce processing errors, and ensure processing. quality effect
Active Publication Date: 2017-10-13
上海瑞纽机械股份有限公司
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Problems solved by technology
[0006]
In view of the above-mentioned defects existing in the prior art, the object of the present invention is to provide a support tooling and a preparation method for the inner cylinder assembly of the heat exchange unit of a high-temperature gas-cooled reactor, which can ensure the processing accuracy of the inner cylinder assembly when slotting, and solve the problem of internal The problem of indexing and slotting of barrel assembly
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[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] Please combine Figure 1 to Figure 2 As shown, the supporting tooling provided by the present invention for the inner tube assembly of the heat exchange unit of a high-temperature gas-cooled reactor is installed on the machine tool table 1, and the tooling positioning key 101 is provided on the machine tool table 1, including several supporting block bodies 2, Positioning slots 201 are provided on the lower surface of several support block bodies 2 for clamping on the tool positioning key 101 of the machine tool table 1. When several support block bodies 2 are installed on the machine tool table 1, they can be positioned The positioning between the groove 201 and the positioning key 101 of the tooling makes several support block bodies 2 on the same straight line on the machine table 1, which ensures the straightness re...
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Abstract
The invention discloses a supporting tool for heat exchange unit inner cylinder assemblies of high-temperature gas cooled reactors and a preparing method. The supporting tool is arranged on a machine tool tabletop and comprises multiple supporting block bodies, and positioning grooves are formed in the lower surfaces of the multiple supporting block bodies and are used for being connected to the machine tool tabletop in a clamping manner. A V-shaped groove is formed in the upper surface of each supporting block body, and the bottoms of the V-shaped grooves are planes and are used for containing the inner cylinder assemblies. The tops of the two ends of the V-shaped grooves are of step structures, and the step structures comprise tabletops located at the upper portion and tabletops located at the lower portion. A positioning key is connected to one side face of each supporting block body, and pressing grooves are formed in the two ends of each supporting block body. By means of the supporting tool for the heat exchange unit inner cylinder assemblies of the high-temperature gas cooled reactors and the preparing method, the machining precision of the inner cylinder assemblies during grooving can be ensured, and the problem of indexing grooving of the inner cylinder assemblies is solved.
Description
technical field [0001] The invention relates to a high-temperature gas-cooled reactor, and more specifically, to a support tool and a preparation method for an inner cylinder assembly of a heat exchange unit of a high-temperature gas-cooled reactor. Background technique [0002] The high-temperature gas-cooled reactor belongs to the fourth-generation nuclear reactor technology. The heat exchange unit is the core component of the high-temperature gas-cooled reactor nuclear power plant. The inner cylinder assembly is the key supporting component in the heat exchange unit. The main dimensions of the inner cylinder assembly are: the outer diameter is 279.4 ~279.8mm, length 8815mm, material is 6625 high temperature nickel-based alloy. The outer circle of the inner cylinder assembly is provided with three equal grooves with a width of 10-10.1mm and a depth of 3-3.2mm. The radial angle of the three grooves is required to be 120°±20′, and the straightness is required to be 0.5mm. Th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B23Q3/06
CPCB23Q3/062Y02E30/30
Inventor 井明波刘大伟
Owner 上海瑞纽机械股份有限公司