Standard No.:	GB/T 12761-1991
English Name:	Raise-boring machines
Chinese Name:	天井钻机
Chinese Classification:	D91    Shaft building equipment
Professional Classification:	GB    National Standard
ICS Classification:	73.100.30 73.100.30    Equipment for drilling and mine excavation 73.100.30
Source Content Issued by:	CSBTS
Issued on:	1990-12-03
Implemented on:	1992-1-1
Status:	abolished
Superseded by:	GB/T 12761-2010 Raise-boring machines
Superseded on:	2011-3-1
Abolished on:	2011-03-01
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	100.0
Delivery:	via email in 1~3 business day

本标准规定了天井钻机的型号、基本参数、技术要求、试验方法、检验规则和标志、包装、运输、贮存。本标准适用于天井钻机。该机主要用于在矿山和其他地下工程的各种岩层中钻进岩孔和通风井、充填井、下料井、溜井、探矿井及其他措施井等，也可在竖井掘进中钻进先导孔。