CN102996151A - 一种井下低于1.8米增加工作面作业空间的方法及装置 - Google Patents
一种井下低于1.8米增加工作面作业空间的方法及装置 Download PDFInfo
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- CN102996151A CN102996151A CN2012104530686A CN201210453068A CN102996151A CN 102996151 A CN102996151 A CN 102996151A CN 2012104530686 A CN2012104530686 A CN 2012104530686A CN 201210453068 A CN201210453068 A CN 201210453068A CN 102996151 A CN102996151 A CN 102996151A
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- 238000000034 method Methods 0.000 title claims abstract description 10
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- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000005065 mining Methods 0.000 claims abstract description 7
- 210000003205 muscle Anatomy 0.000 claims description 12
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CN201210453068.6A CN102996151B (zh) | 2012-11-13 | 2012-11-13 | 一种井下低于1.8米增加工作面作业空间的方法及装置 |
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CN201210453068.6A CN102996151B (zh) | 2012-11-13 | 2012-11-13 | 一种井下低于1.8米增加工作面作业空间的方法及装置 |
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CN102996151A true CN102996151A (zh) | 2013-03-27 |
CN102996151B CN102996151B (zh) | 2017-08-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113847071A (zh) * | 2021-10-19 | 2021-12-28 | 安徽理工大学 | 一种应用于采煤液压支架的可调节性踏板 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB635661A (en) * | 1948-01-20 | 1950-04-12 | Logan Mining Machinery Company | Improvements in or relating to extensible mine roof supports |
CN102102525A (zh) * | 2011-02-25 | 2011-06-22 | 三一重型综采成套设备有限公司 | 一种液压支架及其脚踏板装置 |
CN102182476A (zh) * | 2011-04-01 | 2011-09-14 | 中煤北京煤矿机械有限责任公司 | 适应大倾角工作面液压支架的脚踏板 |
CN203145964U (zh) * | 2012-11-13 | 2013-08-21 | 河南南车重型装备有限公司 | 大倾角液压支架新型脚踏板装置 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB635661A (en) * | 1948-01-20 | 1950-04-12 | Logan Mining Machinery Company | Improvements in or relating to extensible mine roof supports |
CN102102525A (zh) * | 2011-02-25 | 2011-06-22 | 三一重型综采成套设备有限公司 | 一种液压支架及其脚踏板装置 |
CN102182476A (zh) * | 2011-04-01 | 2011-09-14 | 中煤北京煤矿机械有限责任公司 | 适应大倾角工作面液压支架的脚踏板 |
CN203145964U (zh) * | 2012-11-13 | 2013-08-21 | 河南南车重型装备有限公司 | 大倾角液压支架新型脚踏板装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113847071A (zh) * | 2021-10-19 | 2021-12-28 | 安徽理工大学 | 一种应用于采煤液压支架的可调节性踏板 |
CN113847071B (zh) * | 2021-10-19 | 2024-04-16 | 安徽理工大学 | 一种应用于采煤液压支架的可调节性踏板 |
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Inventor after: Huang Xiaoming Inventor after: Yang Lin Inventor after: Yang Xin Inventor after: Sun Yuhong Inventor after: Shi Xinen Inventor before: Huang Xiaoming Inventor before: Yang Xin Inventor before: Sun Yuhong Inventor before: Shi Xinen |
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