| Original document(8 pages) 中文版 |
The present invention relates to coal mine conveying chain technology, and is especially one kind of compact conveying chain for scraper conveying machine to convey coal in narrow coal cutting work face and conveying tunnel in coal mine. Structurally, the compact conveying chain consists of several long horizontal welded rings and several long vertical forged rings connected alternately and is produced through welding, extending and heat treatment. The forged ring has rectangular cross section structure, the mechanical performance same as that of traditional ring with circular cross section structure but reduced outer width or height. The compact conveying chain has compact structure and prolonged service life. |
Application Number
申请号 |
200510012985 |
Application Date
申请日 |
2005.11.14 |
| Title 名称 |
Compact type delivery chain
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Publication Number
公开号 |
1789093 |
Publication Date
公开日 |
2006.06.21 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
B65G19/20,F16G13/00 |
Applicant(s) Name
申请人 |
Zhangjiakou Coal Mining Machinery Co., Ltd. |
| Address 地址 |
075025 |
| Inventor(s) Name 发明人 |
Gao Guokang, Huang Zhibao, Duan Heping, Kang Shaoguang, Ma Ruiyong, Zhang Bingjun |
| Attorney & Agent 代理人 |
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