CN103821548B - 一种抬底机构及液压支架 - Google Patents
一种抬底机构及液压支架 Download PDFInfo
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- CN103821548B CN103821548B CN201410029456.0A CN201410029456A CN103821548B CN 103821548 B CN103821548 B CN 103821548B CN 201410029456 A CN201410029456 A CN 201410029456A CN 103821548 B CN103821548 B CN 103821548B
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- connecting rod
- hydraulic support
- hinged
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- advancing jack
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CN201410029456.0A CN103821548B (zh) | 2014-01-22 | 2014-01-22 | 一种抬底机构及液压支架 |
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CN201410029456.0A CN103821548B (zh) | 2014-01-22 | 2014-01-22 | 一种抬底机构及液压支架 |
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CN103821548A CN103821548A (zh) | 2014-05-28 |
CN103821548B true CN103821548B (zh) | 2016-01-20 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104564116A (zh) * | 2015-01-04 | 2015-04-29 | 内蒙古北方重工业集团有限公司 | 抬底机构及具有该抬底机构的液压支架 |
CN107939432A (zh) * | 2017-12-13 | 2018-04-20 | 中煤北京煤矿机械有限责任公司 | 矿用液压支架派生抬底机构 |
CN109519203A (zh) * | 2018-12-24 | 2019-03-26 | 中煤北京煤矿机械有限责任公司 | 横向剪刀式抬底机构 |
CN110107329B (zh) * | 2019-06-26 | 2024-03-08 | 三一重型装备有限公司 | 抬底机构和液压支架 |
CN111878140A (zh) * | 2020-06-05 | 2020-11-03 | 范文 | 一种薄煤层开采用液压支架 |
CN113006851B (zh) * | 2021-03-19 | 2022-12-06 | 中煤科工开采研究院有限公司 | 一种矿用液压支架限位推移机构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4560306A (en) * | 1979-11-09 | 1985-12-24 | Dobson Park Industries Limited | Coal face support |
GB2197679A (en) * | 1986-11-19 | 1988-05-25 | Dowty Mining Equipment Ltd | Mine roof supports with lifting toe on base |
CN2844442Y (zh) * | 2005-11-04 | 2006-12-06 | 天地科技股份有限公司 | 一种两柱掩护式大采高放顶煤液压支架 |
CN102562111A (zh) * | 2011-12-09 | 2012-07-11 | 三一重型综采成套装备有限公司 | 抬底装置和液压支架 |
CN102661159A (zh) * | 2012-04-17 | 2012-09-12 | 三一重型综采成套装备有限公司 | 抬底机构及具有该抬底机构的液压支架 |
CN102777200A (zh) * | 2012-05-30 | 2012-11-14 | 三一重型装备有限公司 | 液压支架推移机构及液压支架 |
CN203285467U (zh) * | 2013-06-07 | 2013-11-13 | 济宁驰众机械有限公司 | 一种矿用液压支架抬底装置 |
-
2014
- 2014-01-22 CN CN201410029456.0A patent/CN103821548B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4560306A (en) * | 1979-11-09 | 1985-12-24 | Dobson Park Industries Limited | Coal face support |
GB2197679A (en) * | 1986-11-19 | 1988-05-25 | Dowty Mining Equipment Ltd | Mine roof supports with lifting toe on base |
CN2844442Y (zh) * | 2005-11-04 | 2006-12-06 | 天地科技股份有限公司 | 一种两柱掩护式大采高放顶煤液压支架 |
CN102562111A (zh) * | 2011-12-09 | 2012-07-11 | 三一重型综采成套装备有限公司 | 抬底装置和液压支架 |
CN102661159A (zh) * | 2012-04-17 | 2012-09-12 | 三一重型综采成套装备有限公司 | 抬底机构及具有该抬底机构的液压支架 |
CN102777200A (zh) * | 2012-05-30 | 2012-11-14 | 三一重型装备有限公司 | 液压支架推移机构及液压支架 |
CN203285467U (zh) * | 2013-06-07 | 2013-11-13 | 济宁驰众机械有限公司 | 一种矿用液压支架抬底装置 |
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CN103821548A (zh) | 2014-05-28 |
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Effective date of registration: 20230417 Address after: 710061 Room 203, 2nd Floor, Office Building, Sany Xi'an Industrial Park, Xianhu Road, Fengxi New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Sany Intelligent Equipment Co.,Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |
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Effective date of registration: 20230912 Address after: 110027 25 development road, Shenyang economic and Technological Development Zone, Liaoning Patentee after: Sany Heavy Equipment Co.,Ltd. Patentee after: Sany Intelligent Equipment Co.,Ltd. Address before: 710061 Room 203, 2nd Floor, Office Building, Sany Xi'an Industrial Park, Xianhu Road, Fengxi New City, Xixian New District, Xi'an City, Shaanxi Province Patentee before: Sany Intelligent Equipment Co.,Ltd. |