| 石质山地手提式挖坑机钻头的研制 |
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| 引用本文： | 茅也冰 王乃康. 石质山地手提式挖坑机钻头的研制[J]. 北京林业大学学报, 1991, 13(3): 42-49 |
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| 作者姓名： | 茅也冰 王乃康 |
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| 作者单位： | 北京林业大学森林工业系(茅也冰，王乃康)，北京林业大学森林工业系(鲍际平) |
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| 摘 要： | 本文通过对研制的几种手提式挖坑机钻头的结构特点、参数选择、刀片及钻尖的型式、材料及热处理工艺等所进行的理论分析及生产试验,证明了所研制的钻头在含石砾量40％～60％的陡坡石质山地的挖坑整地作业中,具有良好的适应性,钻头入土快、生产效率高、成本低、劳动强度低、各项指标达到林业技术要求。
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| 关 键 词： | 挖坑机 钻头 钻尖 刀片 |
The Study and Development of the Portable Earth Auger Bits |
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| Mao Yebing Wang Naikang Bao Jiping. The Study and Development of the Portable Earth Auger Bits[J]. Journal of Beijing Forestry University, 1991, 13(3): 42-49 |
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| Authors: | Mao Yebing Wang Naikang Bao Jiping |
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| Abstract: | This paper examines the portable earth auger bit, its manufacture, operating environment and efficiency. The bit is used in steep rocky mountain areas which contain 40％～60％ stone. The bits studied showed to have high productivity, a quicker digging speed, low cost, low labour intensity, and met forestry requirements in all other parameters. |
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| Keywords: | earth auger auger bit blade |
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