CN2626659Y - Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder - Google Patents
Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder Download PDFInfo
- Publication number
- CN2626659Y CN2626659Y CN 03217441 CN03217441U CN2626659Y CN 2626659 Y CN2626659 Y CN 2626659Y CN 03217441 CN03217441 CN 03217441 CN 03217441 U CN03217441 U CN 03217441U CN 2626659 Y CN2626659 Y CN 2626659Y
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- Prior art keywords
- welding
- tensioner
- driving mechanism
- automatic welding
- pipeline inner
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- Expired - Lifetime
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 03217441 CN2626659Y (en) | 2003-05-23 | 2003-05-23 | Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder |
Applications Claiming Priority (1)
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CN 03217441 CN2626659Y (en) | 2003-05-23 | 2003-05-23 | Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder |
Publications (1)
Publication Number | Publication Date |
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CN2626659Y true CN2626659Y (en) | 2004-07-21 |
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Family Applications (1)
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CN 03217441 Expired - Lifetime CN2626659Y (en) | 2003-05-23 | 2003-05-23 | Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder |
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CN (1) | CN2626659Y (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101642842B (en) * | 2008-08-08 | 2011-12-07 | 曹新武 | Circular seam welding machine for fixed pipes |
CN101537553B (en) * | 2008-03-18 | 2013-03-27 | 韩国水力原子力株式会社 | Welding joint conveying device on inner surface of piping |
CN103350295A (en) * | 2013-06-25 | 2013-10-16 | 洛阳德平机械设备有限公司 | Embedding method for air pipes and wires of internal welding machine as well as internal welding machine |
CN103551768A (en) * | 2013-11-11 | 2014-02-05 | 中国石油天然气集团公司 | Hollow cylinder-based internal welding machine gas guide cable conveying system |
CN104209626A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气集团公司 | Pipeline multipoint synchronous automatic welding variable position lap joint method |
CN104590409A (en) * | 2015-01-06 | 2015-05-06 | 中国石油天然气集团公司 | Crawler-type drive mechanism of automatic welding machine for inner circumferential seam of pipeline |
CN113385845A (en) * | 2021-06-08 | 2021-09-14 | 湖南鑫永生科技发展有限公司 | Processing method of axial flow fan shell |
-
2003
- 2003-05-23 CN CN 03217441 patent/CN2626659Y/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101537553B (en) * | 2008-03-18 | 2013-03-27 | 韩国水力原子力株式会社 | Welding joint conveying device on inner surface of piping |
CN101642842B (en) * | 2008-08-08 | 2011-12-07 | 曹新武 | Circular seam welding machine for fixed pipes |
CN104209626A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气集团公司 | Pipeline multipoint synchronous automatic welding variable position lap joint method |
CN103350295A (en) * | 2013-06-25 | 2013-10-16 | 洛阳德平机械设备有限公司 | Embedding method for air pipes and wires of internal welding machine as well as internal welding machine |
CN103551768A (en) * | 2013-11-11 | 2014-02-05 | 中国石油天然气集团公司 | Hollow cylinder-based internal welding machine gas guide cable conveying system |
CN103551768B (en) * | 2013-11-11 | 2015-05-20 | 中国石油天然气集团公司 | Hollow cylinder-based internal welding machine gas guide cable conveying system |
CN104590409A (en) * | 2015-01-06 | 2015-05-06 | 中国石油天然气集团公司 | Crawler-type drive mechanism of automatic welding machine for inner circumferential seam of pipeline |
CN104590409B (en) * | 2015-01-06 | 2017-02-01 | 中国石油天然气集团公司 | Crawler-type drive mechanism of automatic welding machine for inner circumferential seam of pipeline |
CN113385845A (en) * | 2021-06-08 | 2021-09-14 | 湖南鑫永生科技发展有限公司 | Processing method of axial flow fan shell |
CN113385845B (en) * | 2021-06-08 | 2022-05-31 | 湖南鑫永生科技发展有限公司 | Method for processing shell of axial flow fan |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM PIPELINE BUREAU Effective date: 20041022 Owner name: CHINA NATIONAL PETROLEUM CORP. Free format text: FORMER OWNER: CHINA PETROLEUM PIPELINE BUREAU |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20041022 Address after: 100724, Xicheng District, Beijing six shop pit No. 6 Co-patentee after: China Petroleum and Natural Gas Pipeline Bureau Patentee after: China National Petroleum Corporation Address before: 065000 Langfang city of Hebei province Guangyang Road No. 87 Patentee before: China Petroleum and Natural Gas Pipeline Bureau |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20130523 Granted publication date: 20040721 |