CN102003150B - Convex counterweight centralizer for pumping unit - Google Patents
Convex counterweight centralizer for pumping unit Download PDFInfo
- Publication number
- CN102003150B CN102003150B CN 200910172088 CN200910172088A CN102003150B CN 102003150 B CN102003150 B CN 102003150B CN 200910172088 CN200910172088 CN 200910172088 CN 200910172088 A CN200910172088 A CN 200910172088A CN 102003150 B CN102003150 B CN 102003150B
- Authority
- CN
- China
- Prior art keywords
- counterweight
- centralizer
- track
- pumping unit
- centralizing
- 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
Images
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910172088 CN102003150B (en) | 2009-08-28 | 2009-08-28 | Convex counterweight centralizer for pumping unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910172088 CN102003150B (en) | 2009-08-28 | 2009-08-28 | Convex counterweight centralizer for pumping unit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102003150A CN102003150A (en) | 2011-04-06 |
CN102003150B true CN102003150B (en) | 2013-05-08 |
Family
ID=43810820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200910172088 Expired - Fee Related CN102003150B (en) | 2009-08-28 | 2009-08-28 | Convex counterweight centralizer for pumping unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102003150B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104196500A (en) * | 2014-09-16 | 2014-12-10 | 河南信宇石油机械制造股份有限公司 | Ground control type safety bar device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738019A (en) * | 1951-05-22 | 1956-03-13 | Atkinson Albert Edward | Devices for centralizing casing in boreholes |
CN2492690Y (en) * | 2001-05-29 | 2002-05-22 | 吉林石油集团有限责任公司机械厂 | Symmetrical balanced preliminary oil pumping unit |
CN101446182A (en) * | 2008-11-04 | 2009-06-03 | 刘献春 | Pumping-improvement centralizer of pumping rod |
-
2009
- 2009-08-28 CN CN 200910172088 patent/CN102003150B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738019A (en) * | 1951-05-22 | 1956-03-13 | Atkinson Albert Edward | Devices for centralizing casing in boreholes |
CN2492690Y (en) * | 2001-05-29 | 2002-05-22 | 吉林石油集团有限责任公司机械厂 | Symmetrical balanced preliminary oil pumping unit |
CN101446182A (en) * | 2008-11-04 | 2009-06-03 | 刘献春 | Pumping-improvement centralizer of pumping rod |
Also Published As
Publication number | Publication date |
---|---|
CN102003150A (en) | 2011-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104179081B (en) | Without spring rail clip system | |
CN102003150B (en) | Convex counterweight centralizer for pumping unit | |
CN203755097U (en) | Underground vibration damping rail fastener | |
CN201362820Y (en) | Fixed support for shock absorption and isolation of bridge | |
CN202243510U (en) | Transverse bumper for locomotive bogie | |
CN103410509B (en) | One is easily installed pick box and assembly thereof | |
CN105926374A (en) | Steel rail fastener | |
CN202301598U (en) | Guide pin for brake calipers | |
CN111021160A (en) | Vibration absorption type damping spring in vibration isolator for floating slab track | |
CN203783668U (en) | Auxiliary rocker arm bracket for diesel engine | |
CN207759873U (en) | A kind of absorbing noise-decreasing device of engine base of traction machine | |
CN209443309U (en) | A kind of fish platee connected for wearing rail | |
RU169528U1 (en) | ABSORBING APPARATUS | |
CN202360669U (en) | Cylinder bottom fixed damping device of pressurizing oil cylinder of rotary drilling rig | |
CN206417764U (en) | A kind of Novel elevator car calibrated mount | |
CN205713124U (en) | The main pump of a kind of concrete mixer send cylinder supporting device | |
CN219032785U (en) | Dual-rigidity track vibration isolator | |
CN204998048U (en) | Compound welt of antidetonation type | |
CN203463297U (en) | Novel water pump structure | |
CN215099979U (en) | Underground transportation belt grinding increasing frame | |
CN103866656A (en) | Vibration reduction rail fastener for metro | |
CN211772453U (en) | Reinforcing apparatus is used in connection of multistage track | |
CN202991472U (en) | Axial symmetric curved surface rotating positive displace pump | |
CN202326888U (en) | Oil buffer for high-pressure operating mechanism | |
CN213624982U (en) | Ballastless track elastic supporting block |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HENAN XINYU PETROLEUM MACHINERY MANUFACTURING CO., Free format text: FORMER NAME: XINYU PETROLEUM MACHINERY AND CHEMICAL CO., LTD., PUYANG CITY |
|
CP03 | Change of name, title or address |
Address after: Hualong District of Puyang City, Henan Province, 457006 State Road 106 and Kam Tin Road intersection East 100 meters Patentee after: Henan letter space petroleum machinery is manufactured limited company Address before: Puyang City, Henan province Hualong District 457001 Road on the north side of Xinyu Petrochemical Company Patentee before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Convex counterweight centralizer for pumping unit Effective date of registration: 20140320 Granted publication date: 20130508 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Henan letter space petroleum machinery is manufactured limited company Registration number: 2014990000182 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20180828 |
|
CF01 | Termination of patent right due to non-payment of annual fee |