CN105041362B - 矿用带压液压介质置换液压支架 - Google Patents
矿用带压液压介质置换液压支架 Download PDFInfo
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- CN105041362B CN105041362B CN201510535286.8A CN201510535286A CN105041362B CN 105041362 B CN105041362 B CN 105041362B CN 201510535286 A CN201510535286 A CN 201510535286A CN 105041362 B CN105041362 B CN 105041362B
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- oil cylinder
- valve
- auxiliary piping
- hydraulic
- cylinder
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CN201510535286.8A CN105041362B (zh) | 2015-08-27 | 2015-08-27 | 矿用带压液压介质置换液压支架 |
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CN201510535286.8A CN105041362B (zh) | 2015-08-27 | 2015-08-27 | 矿用带压液压介质置换液压支架 |
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CN105041362A CN105041362A (zh) | 2015-11-11 |
CN105041362B true CN105041362B (zh) | 2018-01-19 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108952787B (zh) * | 2018-07-10 | 2020-11-06 | 郑州煤矿机械集团股份有限公司 | 具备内循环介质置换的液压支架立柱 |
CN109236768B (zh) * | 2018-10-22 | 2020-09-01 | 中国石油集团渤海钻探工程有限公司 | 一种带压投送装置的电液比例控制系统 |
CN110410115B (zh) * | 2019-07-22 | 2020-11-17 | 天地科技股份有限公司 | 一种立柱压力自适应调控系统 |
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DE3042749C2 (de) * | 1980-11-13 | 1983-06-01 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur Steuerung von Schildausbau |
DE3104362A1 (de) * | 1981-02-07 | 1982-08-19 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer hydraulische ausbausysteme in bergbau-untertagebetrieben |
CN201318187Y (zh) * | 2008-11-21 | 2009-09-30 | 三一重型装备有限公司 | 一种行走液压驱动装置 |
CN201367911Y (zh) * | 2009-02-25 | 2009-12-23 | 三一重型装备有限公司 | 履带行走式液压支架 |
CN104154060A (zh) * | 2014-08-08 | 2014-11-19 | 山西潞安环保能源开发股份有限公司常村煤矿 | 井下吊装车液压介质转换装置 |
CN204984465U (zh) * | 2015-08-27 | 2016-01-20 | 三一重型装备有限公司 | 矿用带压液压介质置换液压支架 |
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CB03 | Change of inventor or designer information |
Inventor after: Liu Wendong Inventor after: Chang Di Inventor after: Wang Zhende Inventor before: Yu Yang Inventor before: Chang Di Inventor before: Li Fu |
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CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181123 Address after: 110027 25 development road, Shenyang economic and Technological Development Zone, Liaoning Co-patentee after: China Shenhua Energy Co Shendong coal Co. Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: 110027 No. 31, Yan se Hu Street, Shenyang economic and Technological Development Zone, Liaoning Patentee before: Sany Heavy Equipment Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20200827 |
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CF01 | Termination of patent right due to non-payment of annual fee |