CN209293829U - 一种煤矿井下大通道端头悬移液压支架 - Google Patents
一种煤矿井下大通道端头悬移液压支架 Download PDFInfo
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- CN209293829U CN209293829U CN201821992172.1U CN201821992172U CN209293829U CN 209293829 U CN209293829 U CN 209293829U CN 201821992172 U CN201821992172 U CN 201821992172U CN 209293829 U CN209293829 U CN 209293829U
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- cantilever
- sliding block
- coal mine
- hydraulic cylinder
- underground coal
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CN201821992172.1U CN209293829U (zh) | 2018-11-29 | 2018-11-29 | 一种煤矿井下大通道端头悬移液压支架 |
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CN201821992172.1U CN209293829U (zh) | 2018-11-29 | 2018-11-29 | 一种煤矿井下大通道端头悬移液压支架 |
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CN209293829U true CN209293829U (zh) | 2019-08-23 |
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CN201821992172.1U Expired - Fee Related CN209293829U (zh) | 2018-11-29 | 2018-11-29 | 一种煤矿井下大通道端头悬移液压支架 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469501A (zh) * | 2018-11-29 | 2019-03-15 | 安徽省皖北煤电集团有限责任公司 | 一种煤矿井下大通道端头悬移液压支架 |
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2018
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469501A (zh) * | 2018-11-29 | 2019-03-15 | 安徽省皖北煤电集团有限责任公司 | 一种煤矿井下大通道端头悬移液压支架 |
CN109469501B (zh) * | 2018-11-29 | 2024-03-12 | 安徽省皖北煤电集团有限责任公司 | 一种煤矿井下大通道端头悬移液压支架 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Underground coal mine large passage end suspension hydraulic support Effective date of registration: 20191029 Granted publication date: 20190823 Pledgee: Agricultural Bank of China Limited Suzhou Branch Pledgor: WANBEI COAL-ELECTRICITY GROUP CO., LTD. Registration number: Y2019340000157 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210601 Granted publication date: 20190823 Pledgee: Agricultural Bank of China Limited Suzhou Branch Pledgor: WANBEI COAL-ELECTRICITY GROUP Co.,Ltd. Registration number: Y2019340000157 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20201129 |
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CF01 | Termination of patent right due to non-payment of annual fee |