Title:
SIDE DOOR BOLT-FREE RAM BLOWOUT PREVENTER
Document Type and Number:
WIPO Patent Application WO/2024/055977
Kind Code:
A1
Abstract:
A side door bolt-free ram blowout preventer, comprising that: first fixed blocks (11) are provided on two side surfaces of a housing (1); guide rods (3) are fixed to the side of the housing (1) connected to side doors (2); the side doors (2) are fitted at the outer sides of the guide rods (3) and move along the guide rods (3); a second fixed block (21) is provided on the side of each side door (2) close to the housing (1); claw blocks (4) are arranged between each side door (2) and the housing (1), and are arranged at a side surface of each second fixed block (21); a slotted hole (41) is formed at the side surface of each claw block (4) close to the housing (1); the slotted holes (41) are arranged in the length direction of the guide rods (3) and pass through the claw blocks (4); claw block beams (5) pass through the slotted holes (41), and two ends of each claw block beam (5) are arranged outside the slotted hole (41); claw block beam slots (6) are formed at the positions, corresponding to the claw block beams (5), on the housing (1) and the side doors (2); the two ends of each claw block beam (5) are inserted into the claw block beam slots (6) on the housing (1) and the side door (2), respectively, and an end portion of each claw block beam (5) is fixed in the claw block beam slot (6) on the side door (2); and a claw block bolt (7) is connected to the side of each claw block (4) away from the second fixed block (21). The blowout preventer is simple to operate, and the side doors can be quickly opened and closed.
Inventors:
TANG JIANHUA (CN)
XU HONGQI (CN)
SU SHANGWEN (CN)
JIANG DONGLIANG (CN)
LIAO WEIHENG (CN)
QU ZHIMING (CN)
MENG ZHAOCHUN (CN)
WANG HONGJIE (CN)
LI HAOHAO (CN)
GUO XUE (CN)
WANG WEI (CN)
XU HONGQI (CN)
SU SHANGWEN (CN)
JIANG DONGLIANG (CN)
LIAO WEIHENG (CN)
QU ZHIMING (CN)
MENG ZHAOCHUN (CN)
WANG HONGJIE (CN)
LI HAOHAO (CN)
GUO XUE (CN)
WANG WEI (CN)
Application Number:
PCT/CN2023/118467
Publication Date:
March 21, 2024
Filing Date:
September 13, 2023
Export Citation:
Assignee:
RONGSHENG MACHINERY MFT LTD OF HUABEI OILFIELD HEBEI (CN)
International Classes:
E21B33/06
Foreign References:
| CN219139021U | 2023-06-06 | |||
| CN115573678A | 2023-01-06 | |||
| CN110080711A | 2019-08-02 | |||
| CN210049861U | 2020-02-11 | |||
| CN104712285A | 2015-06-17 | |||
| CN108442900A | 2018-08-24 | |||
| US5897094A | 1999-04-27 |
Attorney, Agent or Firm:
MUDA INTELLECTUAL PROPERTY FIRM (CN)
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