CN102720468B - 随配重安全杠 - Google Patents
随配重安全杠 Download PDFInfo
- Publication number
- CN102720468B CN102720468B CN201210096872.3A CN201210096872A CN102720468B CN 102720468 B CN102720468 B CN 102720468B CN 201210096872 A CN201210096872 A CN 201210096872A CN 102720468 B CN102720468 B CN 102720468B
- Authority
- CN
- China
- Prior art keywords
- safety bar
- counterweight
- safety
- bar
- vertical shaft
- 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.)
- Expired - Fee Related
Links
Landscapes
- Jib Cranes (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210096872.3A CN102720468B (zh) | 2012-03-26 | 2012-03-26 | 随配重安全杠 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210096872.3A CN102720468B (zh) | 2012-03-26 | 2012-03-26 | 随配重安全杠 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102720468A CN102720468A (zh) | 2012-10-10 |
CN102720468B true CN102720468B (zh) | 2015-11-25 |
Family
ID=46946317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210096872.3A Expired - Fee Related CN102720468B (zh) | 2012-03-26 | 2012-03-26 | 随配重安全杠 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102720468B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104500377B (zh) * | 2014-12-26 | 2016-09-14 | 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 |
CN114645694B (zh) * | 2022-05-23 | 2022-07-19 | 山东胜信石油装备有限公司 | 自动调冲次及平衡的立式抽油机 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1398564A (zh) * | 2001-07-24 | 2003-02-26 | 道奥菲发展与投资有限公司 | 折叠翻板桌 |
CN2666275Y (zh) * | 2003-12-29 | 2004-12-29 | 昝贺伏 | 椅背附加桌面的折叠机构 |
CN201535156U (zh) * | 2009-08-28 | 2010-07-28 | 濮阳市信宇石油机械化工有限公司 | 抽油机配重防坠落装置 |
CN102003162A (zh) * | 2009-08-28 | 2011-04-06 | 濮阳市信宇石油机械化工有限公司 | 简式w型曳引抽油机 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6810953B2 (en) * | 2003-02-07 | 2004-11-02 | Barnes Group, Inc. | Shock absorber for oil well pumping unit |
-
2012
- 2012-03-26 CN CN201210096872.3A patent/CN102720468B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1398564A (zh) * | 2001-07-24 | 2003-02-26 | 道奥菲发展与投资有限公司 | 折叠翻板桌 |
CN2666275Y (zh) * | 2003-12-29 | 2004-12-29 | 昝贺伏 | 椅背附加桌面的折叠机构 |
CN201535156U (zh) * | 2009-08-28 | 2010-07-28 | 濮阳市信宇石油机械化工有限公司 | 抽油机配重防坠落装置 |
CN102003162A (zh) * | 2009-08-28 | 2011-04-06 | 濮阳市信宇石油机械化工有限公司 | 简式w型曳引抽油机 |
Also Published As
Publication number | Publication date |
---|---|
CN102720468A (zh) | 2012-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202990491U (zh) | 一种剪刀式简易升降实用车库 | |
CN102720468B (zh) | 随配重安全杠 | |
CN201789261U (zh) | 一种掘进机随机电缆悬移装置 | |
CN106185472A (zh) | 一种纵向可调式电缆线摆放架 | |
CN202707000U (zh) | 随配重安全杠 | |
CN201525384U (zh) | 一种高架列车逃生装置用储存箱 | |
CN204752090U (zh) | 一种电杆机动升降装置 | |
CN102839949B (zh) | 智能式抽油机 | |
CN207209877U (zh) | 一种两柱四锁单侧手动同步解锁装置 | |
CN204572054U (zh) | 刮板输送机用旋转扶梯装置 | |
CN203740994U (zh) | 一种吊篮安全锁 | |
CN204789628U (zh) | 一种产品无线电检测位置调节装置 | |
CN102535924B (zh) | 一种链条式防坠器 | |
CN203334979U (zh) | 一种抽油机悬绳器 | |
CN208393965U (zh) | 一种箱发泡双伺服驱动升降机构 | |
CN207465130U (zh) | 重锤拔销器 | |
CN202900179U (zh) | 一种智能式抽油机 | |
CN202467288U (zh) | 链条式防坠器 | |
CN204163696U (zh) | 一种平行四边形框架全平衡长冲程抽油机 | |
CN202560086U (zh) | 一种煤矿井下探放水专用梯 | |
CN204264116U (zh) | 一种铰链式铁路轮对轴承磨合机轮对轨道机构 | |
CN201735605U (zh) | 冷轧带肋钢筋盘条用翻钢架 | |
CN104627875A (zh) | 新型塔吊防攀爬结构 | |
CN204057554U (zh) | 电梯下机械阻止装置 | |
CN109989728A (zh) | 销轴换向式长冲程抽油机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Hualong District of Puyang City, Henan Province, 457006 State Road 106 and Kam Tin Road intersection East 100 meters Applicant after: Henan letter space petroleum machinery is manufactured limited company Address before: Hualong District, Puyang City, Henan Petrochemical Road northbound 457001 Province Applicant before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: XINYU PETROLEUM MACHINERY AND CHEMICAL CO., LTD., PUYANG CITY TO: HENAN XINYU PETROLEUM MACHINERY MANUFACTURING CO., LTD. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20210326 |
|
CF01 | Termination of patent right due to non-payment of annual fee |