Method and supporting tool for assembling a large ship tank head

A head and tank technology, which is applied in the field of large-scale tank head assembly, methods and supporting tools, can solve the problems affecting the production quality of ship tank heads, the accuracy cannot be guaranteed, and the material loss is large, so as to reduce the impact damage Probability, simple structure, and the effect of reducing material loss

Active Publication Date: 2017-07-21
CHINA FIRST METALLURGICAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method is to use angle steel and channel steel to build a full tire frame. Not only is the material loss large, but the accuracy cannot be guaranteed. In order to adjust the misalignment of the shell plate, the support points need to be trimmed many times. The base metal is easy to be damaged during the trimming process, which seriously Affect the production quality of the tank head

Method used

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  • Method and supporting tool for assembling a large ship tank head
  • Method and supporting tool for assembling a large ship tank head
  • Method and supporting tool for assembling a large ship tank head

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Embodiment

[0045] 1. First, let me introduce a supporting tool involved in this method.

[0046] The support tool includes a base body, and a plurality of one ends arranged on the base body are movably connected with the base body, and the other end is connected with a telescopic assembly leaning on a support point in a temperate zone or an extreme zone. The bottom ends of two adjacent telescopic assemblies are connected by a hydraulic rod The flexible connection is specifically that one end of the hydraulic rod is movably connected with the bottom of the telescopic assembly, and the other end is movably connected with the bottom of another adjacent telescopic assembly.

[0047] The telescoping assembly includes an adjusting nut, one end of which is threadedly connected to a screw at one end of the adjusting nut, and the other end of the screw is connected with several adjusting rods which are sequentially connected, and the top of the adjusting rod is provided with a top rod; the other e...

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PUM

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Abstract

The invention relates to the field of machines, in particular to an assembly method for a large ship tank car end socket and a supporting tool. The assembly method and the supporting rod are mainly used for assembling the large ship tank car end socket. The supporting device is composed of a base, adjusting rods a, adjusting rods b, lengthening rods (standard fittings), top rods and hydraulic rods. In the using process, the device is directly assembled on site. Firstly, the number of supporting rods is determined, the lengths of the supporting rods are calculated according to the positions of supporting points a and supporting points b (shown in the figure 1) in the end socket temperature belt assembly process, and supporting rod lengthening (formed by connecting the adjustable rods, the lengthening rods and the top rods through bolts) is conducted. Finally, the adjustable rods a / b are lifted through the hydraulic rods, and the supporting device is formed. Length fine adjustment can be conducted through adjusting nuts on the adjustable rods, and the alignment tolerance of all plates of end socket temperature belts is guaranteed. After the temperature belts are installed and welded, the supporting rods are folded through the hydraulic rods and overall hoisted out, the lengths and the heights of the supporting rods are adjusted, the method can be used for assembling polar belts, and multiple purposes are achieved.

Description

technical field [0001] The invention relates to the field of machinery, in particular to a method for assembling large-scale ship tank heads and a supporting tool. Background technique [0002] Large tanks are the core equipment of LNG carriers. The tanks have large volume, large diameter, low pressure and thin steel plates. In the process of assembling the tank head, it is impossible to rely on the stiffness of the shell plate itself to achieve self-support, and it is often necessary to use related supporting devices. The traditional method is to use angle steel and channel steel to build a full tire frame. Not only is the material loss large, but the accuracy cannot be guaranteed. In order to adjust the misalignment of the shell plate, the support points need to be trimmed many times. The base metal is easy to be damaged during the trimming process, which seriously Affect the production quality of the tank head. [0003] The head of a large ship tank is generally divided...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/00B23K37/04
CPCB23K37/00B23K37/04
Inventor 潘伍覃黄金祥
Owner CHINA FIRST METALLURGICAL GROUP
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