Title:
HYDRAULIC BUTTING APPARATUS MOUNTED ON PETROLEUM PIPE CONNECTING FLANGE
Document Type and Number:
WIPO Patent Application WO/2017/193505
Kind Code:
A1
Abstract:
Provided is a hydraulic butting apparatus mounted on a petroleum pipe connecting flange, comprising a first centralizer block (1), a second centralizer block (2), and a hydraulic cylinder (9). The upper part and the middle part of the inner side of the first centralizer block (1) are respectively provided with a tapered drum (3), and a first flange centralizing projection (4) is provided at the lower part of an inside face of the first centralizer block (1). A hydraulic cylinder mounting hole (5) is provided between the two tapered drums (3) on the first centralizer block (1). Tapered projections (6) are provided at the upper part and the middle part of the inner side of the second centralizer block (2) respectively, and the tapered projections (6) mate with the tapered drums (3) on the first centralizer block (1). An adjustment through-hole (7) is provided between the two tapered projections (6) on the second centralizer block (2), and a second flange centralizing projection (8) is provided at the lower part of an inside face of the second centralizer block (2). A base of the hydraulic cylinder (9) is provided at the outside of the first centralizer block (1) by a support of the hydraulic cylinder, a hydraulic arm (22) of the hydraulic cylinder (9) passes through the hydraulic cylinder mounting hole (5) and the adjustment through-hole (7) successively, and an end of the hydraulic arm (22) is provided with a press stop (23).
Inventors:
HE CHANGMING (CN)
Application Number:
PCT/CN2016/097427
Publication Date:
November 16, 2017
Filing Date:
October 14, 2016
Export Citation:
Assignee:
SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO LTD (CN)
International Classes:
B25B27/16; F16L1/10
Domestic Patent References:
| WO2013181704A1 | 2013-12-12 | |||
| WO2016128893A1 | 2016-08-18 |
Foreign References:
| CN105889627A | 2016-08-24 | |||
| CN105751145A | 2016-07-13 | |||
| CN105751156A | 2016-07-13 | |||
| CN203115288U | 2013-08-07 | |||
| JP2015160301A | 2015-09-07 |
Attorney, Agent or Firm:
CHENGDU XINGZHI PATENT AGENCY (ORDINARY PARTNERSHIP) (CN)
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