CN2661988Y - Hydraulic control locking device for hoisting ratchet - Google Patents
Hydraulic control locking device for hoisting ratchet Download PDFInfo
- Publication number
- CN2661988Y CN2661988Y CN 200320123245 CN200320123245U CN2661988Y CN 2661988 Y CN2661988 Y CN 2661988Y CN 200320123245 CN200320123245 CN 200320123245 CN 200320123245 U CN200320123245 U CN 200320123245U CN 2661988 Y CN2661988 Y CN 2661988Y
- Authority
- CN
- China
- Prior art keywords
- valve
- ratchet
- hoist
- oil cylinder
- oil
- 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 - Lifetime
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200320123245 CN2661988Y (en) | 2003-12-22 | 2003-12-22 | Hydraulic control locking device for hoisting ratchet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200320123245 CN2661988Y (en) | 2003-12-22 | 2003-12-22 | Hydraulic control locking device for hoisting ratchet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2661988Y true CN2661988Y (en) | 2004-12-08 |
Family
ID=34348783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200320123245 Expired - Lifetime CN2661988Y (en) | 2003-12-22 | 2003-12-22 | Hydraulic control locking device for hoisting ratchet |
Country Status (1)
Country | Link |
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CN (1) | CN2661988Y (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105731288A (en) * | 2015-12-30 | 2016-07-06 | 江苏亚星波纹管有限公司 | Winding-type lifting equipment |
CN105800529A (en) * | 2016-04-29 | 2016-07-27 | 王恒标 | Regulating type traction device |
CN105836649A (en) * | 2016-06-13 | 2016-08-10 | 中冶建工集团有限公司 | Method for climbing vertical ladder |
CN106429932A (en) * | 2016-09-13 | 2017-02-22 | 成都聚智工业设计有限公司 | Winch |
CN109882095A (en) * | 2019-01-25 | 2019-06-14 | 中国铁建重工集团有限公司 | Drill jumbo drill pipe storage limiting device |
CN112896654A (en) * | 2021-02-22 | 2021-06-04 | 重庆鼎盛印务股份有限公司 | Plastic packaging bag heat-sealing device |
CN114960477A (en) * | 2022-06-24 | 2022-08-30 | 中国一冶集团有限公司 | Bridge high pier maintenance device and maintenance method |
-
2003
- 2003-12-22 CN CN 200320123245 patent/CN2661988Y/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105731288A (en) * | 2015-12-30 | 2016-07-06 | 江苏亚星波纹管有限公司 | Winding-type lifting equipment |
CN105800529A (en) * | 2016-04-29 | 2016-07-27 | 王恒标 | Regulating type traction device |
CN105800529B (en) * | 2016-04-29 | 2018-05-18 | 王恒标 | Adjustment type draft gear |
CN105836649A (en) * | 2016-06-13 | 2016-08-10 | 中冶建工集团有限公司 | Method for climbing vertical ladder |
CN105836649B (en) * | 2016-06-13 | 2018-05-01 | 中冶建工集团有限公司 | A kind of cat ladder climbing method |
CN106429932A (en) * | 2016-09-13 | 2017-02-22 | 成都聚智工业设计有限公司 | Winch |
CN109882095A (en) * | 2019-01-25 | 2019-06-14 | 中国铁建重工集团有限公司 | Drill jumbo drill pipe storage limiting device |
CN112896654A (en) * | 2021-02-22 | 2021-06-04 | 重庆鼎盛印务股份有限公司 | Plastic packaging bag heat-sealing device |
CN114960477A (en) * | 2022-06-24 | 2022-08-30 | 中国一冶集团有限公司 | Bridge high pier maintenance device and maintenance method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090220 Address after: No. 165 Copper Road, Jiangsu, Xuzhou Province, China: 221004 Patentee after: Xuzhou Heavy Machinery Co., Ltd. Address before: Technical center, Xuzhou heavy machinery plant, No. 165 copper hill road, Jiangsu, Xuzhou 221004, China Patentee before: Xuzhou Heavy Machinery Plant |
|
ASS | Succession or assignment of patent right |
Owner name: XUZHOU HEACY MACHINE CO., LTD. Free format text: FORMER OWNER: XUZHOU HEACY MACHINERY PLANT Effective date: 20090220 |
|
ASS | Succession or assignment of patent right |
Owner name: CONSTRUCTION EQUIPMENT BRANCH, XUGONG GROUP ENGINE Free format text: FORMER OWNER: XUZHOU HEAVY MACHINERY CO., LTD. Effective date: 20100810 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 221004 NO.165, TONGSHAN ROAD, XUZHOU CITY, JIANGSU PROVINCE TO: 221004 NO.19, TAOSHAN ROAD, ECONOMIC DEVELOPMENT ZONE, XUZHOU CITY, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100810 Address after: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee after: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Patentee before: Xuzhou Heavy Machinery Co., Ltd. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20131222 Granted publication date: 20041208 |