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Guide device for horizontal assembly of large pressure vessel

A guide device and pressure vessel technology, applied in workpiece clamping devices, greenhouse gas reduction, climate sustainability, etc., can solve problems such as difficulty in assembly or disassembly, obstruction of flange light holes in the introduction section of the guide device, and scratches on the guide device. Achieve the effect of avoiding the difficulty of disassembling the guide device

Pending Publication Date: 2022-08-02
INNER MONGOLIA AEROSPACE HONGXIA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a guide device for horizontal assembly of large pressure vessels to solve the difficulty in assembling or disassembling the existing guide device for horizontal assembly of large pressure vessels and the obstruction of the introduction section of the guide device from entering the light hole of the flange of the blocking cover , The problem that the guide device scratches the sealing ring

Method used

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  • Guide device for horizontal assembly of large pressure vessel
  • Guide device for horizontal assembly of large pressure vessel
  • Guide device for horizontal assembly of large pressure vessel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] like Figure 7 and Figure 8 As shown, a guide device for horizontal assembly of a large pressure vessel includes a threaded section 1, a guide section 2, an introduction section 5, and a parallel plane 4 of the existing guide device. The length of the guide section 2 is greatly shortened, which is more convenient for assembly, and also helps to improve the matching accuracy of the guide device and the light hole. Section 2, cylindrical section 8 and threaded section 1 together form a waist-shaped structure, which makes the guide section 2 in a free state after the cover is assembled in place, which can avoid the difficulty of disassembling the guide device, such as Figure 11 In order to facilitate the introduction of the guide section 2 into the flange light hole of the plug cover when disassembling the plug cover, a short cone 7 is used for transition connection between the cylindrical section 8 and the guide section 2.

[0039] Figure 9 and Figure 10 As shown,...

Embodiment 2

[0043] like Figure 12 As shown, the guide segment 2 is set as a spherical shape, which greatly reduces the length of the guide segment 2, and a cylindrical segment 8 with a diameter smaller than the spherical diameter of the guide segment and the diameter of the thread segment is arranged between the guide segment 2 and the thread segment 1, which will be the same as the diameter of the thread segment. The step structure 3 connected with the parallel planes 4 on the lead-in section 5 is changed to an inclined surface structure 9 to prevent the guide device from being blocked when entering the light hole, and to overcome the problem of the guide device scratching the sealing ring.

Embodiment 3

[0045] like Figure 13 As shown, the guide segment 2 is set as a double cone, which greatly reduces the length of the guide segment 2, and a cylindrical segment 8 with a diameter smaller than the spherical diameter of the guide segment and the diameter of the thread segment is arranged between the guide segment 2 and the thread segment 1, The step structure 3 connected to the parallel plane 4 structure on the introduction section 5 is changed to an inclined surface structure 9 to prevent the guide device from being blocked when entering the light hole, and at the same time to overcome the problem of the guide device scratching the sealing ring.

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Abstract

The invention provides a guide device for horizontal assembly of a large pressure vessel, which comprises a threaded section, a guide section and a lead-in section, the length of the guide section is shortened, and a cylindrical section of which the diameter is smaller than that of the guide section and that of the threaded section is arranged between the guide section and the threaded section. The guide section of the guide device is shorter than that of an existing guide device, assembly is facilitated, and the matching precision of the guide device and an unthreaded hole can be improved; a kidney-shaped structure is formed after the cylindrical section with the smaller diameter is adopted between the guide section and the thread, so that the guide device is in a free state after the blanking cap is assembled in place, and the difficulty in disassembling the guide device is avoided; a hemispherical structure is arranged at the tail end of the leading-in section, so that a sealing surface and a sealing ring are prevented from being scratched during assembly; a parallel plane structure is arranged on the guide-in section, and a step structure connected with a parallel plane is changed into an inclined plane, so that the guide device is prevented from being blocked when entering the unthreaded hole. The guide section is connected with the waist cylindrical section of the guide device through a cone, so that the guide section can be guided into the unthreaded hole of the blanking cap flange more smoothly when the blanking cap is disassembled.

Description

technical field [0001] The invention relates to a guide device, in particular to a guide device for horizontal assembly of a large pressure vessel. Background technique [0002] In the assembly process of large pressure vessels, a guide device is generally used to align the cover flange and the pressure vessel flange. The guide device is generally used for the butt joint of two large pressure vessels or the butt joint of a large pressure vessel and a cover. The basic structure of the guide device is that one end has a threaded section, the other end has a cone or sphere introduction section, the middle is a cylindrical guide section, and there is a parallel plane structure in the middle of the introduction section or a square body at the end of the introduction section The structure is used for the disassembly and assembly of the guide device. [0003] The specific use method of the guide device is to install the threaded ends of the four guide devices into the threaded ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B11/00
CPCB25B11/00Y02E30/30
Inventor 芮振洋周晏星徐峻峰李瑞霞郭天宝
Owner INNER MONGOLIA AEROSPACE HONGXIA CHEM