Dividing device for external circle equal-division grooves of inner barrel assembly of high temperature gas cooled reactor heat exchange unit
A high-temperature gas-cooled reactor and heat exchange unit technology, used in metal processing machinery parts, precision positioning equipment, metal processing equipment, etc., can solve problems such as indexing and slotting, avoid distortion, ensure straightness requirements, increase Effect of contact area
Active Publication Date: 2017-09-29
上海瑞纽机械股份有限公司
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Problems solved by technology
[0005]Aiming at the above-mentioned defects existing in the prior art, the object of the present invention is to provide a kind of dividing groove for the outer circle of the inner cylinder assembly of the heat exchange unit of the high-temperature gas-cooled reactor. The precision device can ensure the processing accuracy of the inner cylinder assembly when slotting, and solve the problem of the inner cylinder assembly's indexing slotting
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[0028] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0029] Please combine Figure 1 to Figure 4 As shown, the indexing device provided by the present invention for the outer circle of the inner cylinder assembly of the high-temperature gas-cooled reactor heat exchange unit includes several matching equal-height support mechanisms 1 and pressing mechanisms 2, and the equal-height The support mechanism 1 is installed on the machine table 3, and a tool positioning key 301 is provided on the machine table 3. The contour support mechanism 1 is used to support and place the inner cylinder assembly 4 that needs to be processed and slotted. The pressing mechanism 2 is connected to the contour support On the mechanism 1, it is used to compress the top of the inner cylinder assembly 4.
[0030] Preferably, the equal-height support mechanism 1 includes a support block 101, and positionin...
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The invention discloses a dividing device for external circle equal-division grooves of an inner barrel assembly of a high temperature gas cooled reactor heat exchange unit. The device is arranged on a table face of a machine tool and comprises an equal-height supporting mechanism and a compression mechanism. The equal-height supporting mechanism is arranged on the table face of the machine tool and used for supporting and placing the inner barrel assembly. The compression mechanism is connected to the equal-height supporting mechanism and used for compressing the inner barrel assembly. The machining precision can be ensured during slotting of the inner barrel assembly, and the dividing slotting problem of the inner barrel assembly is solved.
Description
technical field [0001] The invention relates to a high-temperature gas-cooled reactor, more specifically, to an indexing device for equally dividing grooves on an outer circle of 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 re...
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IPC IPC(8): B23Q16/10
CPCB23Q16/10Y02E30/30
Inventor 蔡青春马丙金
Owner 上海瑞纽机械股份有限公司