Engineering Application of Knapsack Type Drilling Machine and Its Problems

LI Xi

doi:10.3969/j.issn.1672-7428.2016.05.012

2016 No. 5

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LI Xi. Engineering Application of Knapsack Type Drilling Machine and Its Problems[J]. DRILLING ENGINEERING, 2016, (5): 56-58,62. doi: 10.3969/j.issn.1672-7428.2016.05.012

Citation:

LI Xi. Engineering Application of Knapsack Type Drilling Machine and Its Problems[J]. DRILLING ENGINEERING, 2016, (5): 56-58,62. doi: 10.3969/j.issn.1672-7428.2016.05.012

Engineering Application of Knapsack Type Drilling Machine and Its Problems

LI Xi

Publish Date: 10 May 2016

Abstract

Abstract

With the case of Shaw knapsack type drilling machine of US, the analysis is made on the problems in engineer-ing application, the insufficient drilling depth, instability of bit and water pressure, serious sample disturbance and engine stall, which are discussed for solutions.In view of the usage situation, the improvement suggestions are put forward.
- solution /
- knapsack type drilling machine /
- engineering application /
- existing problem