CN104500377A - 一种伸缩式安全杠装置 - Google Patents
一种伸缩式安全杠装置 Download PDFInfo
- Publication number
- CN104500377A CN104500377A CN201410821132.0A CN201410821132A CN104500377A CN 104500377 A CN104500377 A CN 104500377A CN 201410821132 A CN201410821132 A CN 201410821132A CN 104500377 A CN104500377 A CN 104500377A
- Authority
- CN
- China
- Prior art keywords
- jack
- safety
- counterweight
- safety bars
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410821132.0A CN104500377B (zh) | 2014-12-26 | 2014-12-26 | 一种伸缩式安全杠装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410821132.0A CN104500377B (zh) | 2014-12-26 | 2014-12-26 | 一种伸缩式安全杠装置 |
Publications (2)
Publication Number | Publication Date |
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CN104500377A true CN104500377A (zh) | 2015-04-08 |
CN104500377B CN104500377B (zh) | 2016-09-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410821132.0A Expired - Fee Related CN104500377B (zh) | 2014-12-26 | 2014-12-26 | 一种伸缩式安全杠装置 |
Country Status (1)
Country | Link |
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CN (1) | CN104500377B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106930731A (zh) * | 2017-03-27 | 2017-07-07 | 廖大林 | 数字化智能皮带抽油机 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060024177A1 (en) * | 2004-07-30 | 2006-02-02 | Weatherford/Lamb, Inc. | Long-stroke deep-well pumping unit |
CN201963270U (zh) * | 2011-02-28 | 2011-09-07 | 西南石油大学 | 游梁式抽油机平衡块调节工具 |
CN102720468A (zh) * | 2012-03-26 | 2012-10-10 | 濮阳市信宇石油机械化工有限公司 | 随配重安全杠 |
CN203439994U (zh) * | 2013-09-04 | 2014-02-19 | 国家电网公司 | 一种简单易用的千斤顶 |
CN104196500A (zh) * | 2014-09-16 | 2014-12-10 | 河南信宇石油机械制造股份有限公司 | 地面操控式安全杠装置 |
CN204402810U (zh) * | 2014-12-26 | 2015-06-17 | 河南信宇石油机械制造股份有限公司 | 一种伸缩式安全杠装置 |
-
2014
- 2014-12-26 CN CN201410821132.0A patent/CN104500377B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060024177A1 (en) * | 2004-07-30 | 2006-02-02 | Weatherford/Lamb, Inc. | Long-stroke deep-well pumping unit |
CN201963270U (zh) * | 2011-02-28 | 2011-09-07 | 西南石油大学 | 游梁式抽油机平衡块调节工具 |
CN102720468A (zh) * | 2012-03-26 | 2012-10-10 | 濮阳市信宇石油机械化工有限公司 | 随配重安全杠 |
CN203439994U (zh) * | 2013-09-04 | 2014-02-19 | 国家电网公司 | 一种简单易用的千斤顶 |
CN104196500A (zh) * | 2014-09-16 | 2014-12-10 | 河南信宇石油机械制造股份有限公司 | 地面操控式安全杠装置 |
CN204402810U (zh) * | 2014-12-26 | 2015-06-17 | 河南信宇石油机械制造股份有限公司 | 一种伸缩式安全杠装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106930731A (zh) * | 2017-03-27 | 2017-07-07 | 廖大林 | 数字化智能皮带抽油机 |
Also Published As
Publication number | Publication date |
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CN104500377B (zh) | 2016-09-14 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Mingzhong Inventor after: Wang Huiping Inventor after: Gao Libing Inventor after: Zhang Shijie Inventor after: Li Jiafei Inventor after: Liang Xiuxia Inventor after: Liao Dalin Inventor after: Yuan Zhangling Inventor after: Liang Yanmin Inventor after: Chen Xin Inventor after: Li Yaomin Inventor before: Zhang Mingzhong Inventor before: Liao Dalin Inventor before: Yuan Zhangling Inventor before: Liang Yanmin Inventor before: Chen Xin Inventor before: Li Yaomin Inventor before: Wang Huiping Inventor before: Gao Libing |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20191226 |