Title:
PACKING SELF-PRE-TIGHTENING SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO/2023/088333
Kind Code:
A1
Abstract:
A packing self-pre-tightening system and method. The packing self-pre-tightening system (100) comprises a packing monitoring device (110), a transmission device (120), a driving device (130) and a torque limiter (140), wherein the packing monitoring device (110) comprises a packing torque measuring device (112), the packing torque measuring device (112) being configured to measure the torque of a packing pressing cap (215); the transmission device (120) comprises a first transmission assembly (121) and a second transmission assembly (122), the first transmission assembly (121) being connected to a packing and being configured to drive the packing pressing cap (215) to rotate; the driving device (130) is connected to the second transmission assembly (122) and is configured to drive the second transmission assembly (122); and the torque limiter (140) is arranged between the first transmission assembly (121) and the packing pressing cap (215), or between the first transmission assembly (121) and the second transmission assembly (122), or between the second transmission assembly (122) and the driving device (130). The packing self-pre-tightening system may provide a system for automatic fastening of the packing.
Inventors:
WANG FENG (CN)
JIANG YIBO (CN)
LI HAILONG (CN)
JIANG YIBO (CN)
LI HAILONG (CN)
Application Number:
PCT/CN2022/132403
Publication Date:
May 25, 2023
Filing Date:
November 17, 2022
Export Citation:
Assignee:
YANTAI JEREH OILFIELD SERVICES GROUP CO LTD (CN)
International Classes:
E21B47/10; E21B23/00
Foreign References:
| CN114109286A | 2022-03-01 | |||
| CN105156059A | 2015-12-16 | |||
| CN202249906U | 2012-05-30 | |||
| CN206206140U | 2017-05-31 | |||
| CN211397528U | 2020-09-01 | |||
| US5323852A | 1994-06-28 |
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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