CN101105133B - 双伸缩悬浮式液压立柱 - Google Patents
双伸缩悬浮式液压立柱 Download PDFInfo
- Publication number
- CN101105133B CN101105133B CN200710024264A CN200710024264A CN101105133B CN 101105133 B CN101105133 B CN 101105133B CN 200710024264 A CN200710024264 A CN 200710024264A CN 200710024264 A CN200710024264 A CN 200710024264A CN 101105133 B CN101105133 B CN 101105133B
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- Prior art keywords
- cylinder
- seal
- middle cylinder
- oil cylinder
- post
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- 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.)
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- 239000007788 liquid Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 239000003245 coal Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005065 mining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710024264A CN101105133B (zh) | 2007-07-27 | 2007-07-27 | 双伸缩悬浮式液压立柱 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710024264A CN101105133B (zh) | 2007-07-27 | 2007-07-27 | 双伸缩悬浮式液压立柱 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101105133A CN101105133A (zh) | 2008-01-16 |
CN101105133B true CN101105133B (zh) | 2010-05-19 |
Family
ID=38999190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710024264A Expired - Fee Related CN101105133B (zh) | 2007-07-27 | 2007-07-27 | 双伸缩悬浮式液压立柱 |
Country Status (1)
Country | Link |
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CN (1) | CN101105133B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101984220A (zh) * | 2010-05-28 | 2011-03-09 | 金湖小青青机电设备有限公司 | 双伸缩悬浮液压立柱 |
CN101984221A (zh) * | 2010-05-28 | 2011-03-09 | 金湖小青青机电设备有限公司 | 悬浮式液压立柱 |
CN102536274B (zh) * | 2012-01-10 | 2014-05-14 | 中煤北京煤矿机械有限责任公司 | 等压双伸缩立柱 |
CN106731979A (zh) * | 2017-01-23 | 2017-05-31 | 山东双源印铁制罐有限公司 | 一种翻转式涂料搅拌机 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656411A (en) * | 1969-06-21 | 1972-04-18 | Gewerk Eisenhuette Westfalia | Telescopic props |
GB2057570A (en) * | 1979-08-07 | 1981-04-01 | Dobson Park Ind | Telescopic jack |
WO1992001858A1 (de) * | 1990-07-24 | 1992-02-06 | Nlw Fördertechnik Gmbh | Mehrstufiger hydraulischer grubenstempel |
CN1238025A (zh) * | 1996-11-20 | 1999-12-08 | Dbt德国矿业工程有限责任公司 | 液压双套管支柱 |
CN2667162Y (zh) * | 2003-12-04 | 2004-12-29 | 中国矿业大学 | 双伸缩单体液压支柱 |
CN1584291A (zh) * | 2004-06-01 | 2005-02-23 | 中国矿业大学 | 悬浮式液压支柱 |
CN201078236Y (zh) * | 2007-07-27 | 2008-06-25 | 中国矿业大学 | 双伸缩悬浮式液压立柱 |
-
2007
- 2007-07-27 CN CN200710024264A patent/CN101105133B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656411A (en) * | 1969-06-21 | 1972-04-18 | Gewerk Eisenhuette Westfalia | Telescopic props |
GB2057570A (en) * | 1979-08-07 | 1981-04-01 | Dobson Park Ind | Telescopic jack |
WO1992001858A1 (de) * | 1990-07-24 | 1992-02-06 | Nlw Fördertechnik Gmbh | Mehrstufiger hydraulischer grubenstempel |
CN1238025A (zh) * | 1996-11-20 | 1999-12-08 | Dbt德国矿业工程有限责任公司 | 液压双套管支柱 |
CN2667162Y (zh) * | 2003-12-04 | 2004-12-29 | 中国矿业大学 | 双伸缩单体液压支柱 |
CN1584291A (zh) * | 2004-06-01 | 2005-02-23 | 中国矿业大学 | 悬浮式液压支柱 |
CN201078236Y (zh) * | 2007-07-27 | 2008-06-25 | 中国矿业大学 | 双伸缩悬浮式液压立柱 |
Also Published As
Publication number | Publication date |
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CN101105133A (zh) | 2008-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinhu Xiaoqingqing Electromechanical Device Co., Ltd. Assignor: China University of Mining & Technology Contract fulfillment period: 2004.6.10 to 2027.5.23 contract change Contract record no.: 2008320001069 Denomination of invention: Double extension suspended type hydraulic vertical prop License type: General permission Record date: 20081027 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2004.6.10 TO 2027.5.23; CHANGE OF CONTRACT Name of requester: JINHU XIAOQINGQING ELECTROMECHANICAL EQUIPMENT CO. Effective date: 20081027 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20110727 |