Title:
HYDRAULIC STEEL PIPE INSTALLATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/092822
Kind Code:
A1
Abstract:
A hydraulic steel pipe installation method, aided by a hydraulic steel pipe installation system, comprising a machine frame assembly (1) and, sequentially provided on the machine frame assembly (1), a valve body feeding station (5), a valve body waiting station (6), a valve plate assembling station (7), a steel pipe feeding station (8), a cleaning and installing station (9), a valve plate feeding station (10), a pressure testing station (11), and an output station (12). The method: first, a valve body element (2) is positioned onto a valve plate element (3); second, a steel pipe element (4) is inserted into the valve plate element (3) and hermetically welded; third, the valve body element (2) is connected to the valve plate element (3); fourth, plugging and a pressure test are performed; and then, a pressure-tested workpiece is outputted.
Inventors:
WANG LIUQIN (CN)
Application Number:
PCT/CN2019/118303
Publication Date:
May 20, 2021
Filing Date:
November 14, 2019
Export Citation:
Assignee:
WANG LIUQIN (CN)
International Classes:
B23P15/00; B23P19/04
Foreign References:
| CN111069848A | 2020-04-28 | |||
| CN107335946A | 2017-11-10 | |||
| CN109352335A | 2019-02-19 | |||
| JPH09168932A | 1997-06-30 | |||
| KR101929356B1 | 2018-12-14 | |||
| CN107717443A | 2018-02-23 | |||
| CN109333021A | 2019-02-15 | |||
| CN203236203U | 2013-10-16 | |||
| CN105537937A | 2016-05-04 | |||
| CN103522056A | 2014-01-22 |
Attorney, Agent or Firm:
WENZHOU MINGCHUANG INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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