CN107971960B - 一种用于狭窄空间的液压式扳手 - Google Patents
一种用于狭窄空间的液压式扳手 Download PDFInfo
- Publication number
- CN107971960B CN107971960B CN201711155089.9A CN201711155089A CN107971960B CN 107971960 B CN107971960 B CN 107971960B CN 201711155089 A CN201711155089 A CN 201711155089A CN 107971960 B CN107971960 B CN 107971960B
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- Prior art keywords
- shell
- rotor plate
- spring
- cylinder
- narrow space
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711155089.9A CN107971960B (zh) | 2017-11-20 | 2017-11-20 | 一种用于狭窄空间的液压式扳手 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711155089.9A CN107971960B (zh) | 2017-11-20 | 2017-11-20 | 一种用于狭窄空间的液压式扳手 |
Publications (2)
Publication Number | Publication Date |
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CN107971960A CN107971960A (zh) | 2018-05-01 |
CN107971960B true CN107971960B (zh) | 2019-06-14 |
Family
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Family Applications (1)
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CN201711155089.9A Active CN107971960B (zh) | 2017-11-20 | 2017-11-20 | 一种用于狭窄空间的液压式扳手 |
Country Status (1)
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CN (1) | CN107971960B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2037296U (zh) * | 1988-08-31 | 1989-05-10 | 航空工业部第六○六研究所 | 螺栓紧固及拆卸装置 |
US4964319A (en) * | 1989-09-15 | 1990-10-23 | Chang Yun Chi | Socket wrench device for rotating a spark plug |
CN2375758Y (zh) * | 1998-12-11 | 2000-04-26 | 靳占忠 | 液压钳扭矩自控装置 |
EP1815148A1 (de) * | 2004-11-26 | 2007-08-08 | Schraubentechnik Neef GmbH | Verfahren zur steuerung der druckversorgung einer an eine druckquelle angeschlossenen hydraulischen kolben-zylindereinheit und hydraulische antriebseinrichtung |
CN103737524A (zh) * | 2013-12-20 | 2014-04-23 | 国家电网公司 | 液压扳手 |
CN204843474U (zh) * | 2014-12-21 | 2015-12-09 | 苏州路云机电设备有限公司 | 一种液压双头螺栓扳手 |
CN205674106U (zh) * | 2016-04-07 | 2016-11-09 | 吴婉霞 | 一种液压夹持调节式扳手 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06226653A (ja) * | 1993-01-29 | 1994-08-16 | Sanwa Tekki Corp | マーカ筒付トルクレンチ |
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2017
- 2017-11-20 CN CN201711155089.9A patent/CN107971960B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2037296U (zh) * | 1988-08-31 | 1989-05-10 | 航空工业部第六○六研究所 | 螺栓紧固及拆卸装置 |
US4964319A (en) * | 1989-09-15 | 1990-10-23 | Chang Yun Chi | Socket wrench device for rotating a spark plug |
CN2375758Y (zh) * | 1998-12-11 | 2000-04-26 | 靳占忠 | 液压钳扭矩自控装置 |
EP1815148A1 (de) * | 2004-11-26 | 2007-08-08 | Schraubentechnik Neef GmbH | Verfahren zur steuerung der druckversorgung einer an eine druckquelle angeschlossenen hydraulischen kolben-zylindereinheit und hydraulische antriebseinrichtung |
CN103737524A (zh) * | 2013-12-20 | 2014-04-23 | 国家电网公司 | 液压扳手 |
CN204843474U (zh) * | 2014-12-21 | 2015-12-09 | 苏州路云机电设备有限公司 | 一种液压双头螺栓扳手 |
CN205674106U (zh) * | 2016-04-07 | 2016-11-09 | 吴婉霞 | 一种液压夹持调节式扳手 |
Also Published As
Publication number | Publication date |
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CN107971960A (zh) | 2018-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190520 Address after: 403-2, 30 Gaolin Road, Zhuhang Town, Jinshan District, Shanghai Applicant after: SHANGHAI PRIMO TOOLS CO.,LTD. Address before: 510006 Panyu District, Guangzhou, Guangdong, 100, No. 100, West Ring Road, Guangzhou University. Applicant before: Chen Zhuangzhuang |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A hydraulic wrench for tight spaces Effective date of registration: 20220809 Granted publication date: 20190614 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Shanghai Qingpu sub branch Pledgor: SHANGHAI PRIMO TOOLS CO.,LTD. Registration number: Y2022310000165 |