Mining medium-length blasthole blocking device

Mining medium-length blasthole blocking device

The utility model relates to a mining medium-length blasthole blocking device which comprises a wooden plug which is cylindrical wholly, a rubber sleeve, a main rod and a plurality of auxiliary rods. The wooden plug is divided into the A portion and the B portion by a section, and the sections penet...

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Hauptverfasser: LIU PENGJIN, LIU JIARUI, LOU WEIHUA, ZHU SUIZHOU, YANG WEI, ZHANG SHUJIN, ZHAO ZUOBING, YAO SHUBIAO, WU ZHANKAI
Format: Patent
Sprache:chi ; eng
Schlagworte:
AMMUNITION
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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creator LIU PENGJIN
LIU JIARUI
LOU WEIHUA
ZHU SUIZHOU
YANG WEI
ZHANG SHUJIN
ZHAO ZUOBING
YAO SHUBIAO
WU ZHANKAI
description The utility model relates to a mining medium-length blasthole blocking device which comprises a wooden plug which is cylindrical wholly, a rubber sleeve, a main rod and a plurality of auxiliary rods. The wooden plug is divided into the A portion and the B portion by a section, and the sections penetrating the cylinder at any diameter are respectively located on a 2/3 vertical line and a 1/3 vertical line on the upper and lower bottom faces. A cushion block is connected onto the bottom face of the B portion. A steel nail is arranged in the bottom face of the A portion, and a rope A is tied on the steel nail. The upper portion of the main rod is provided with an annular rope slot, and the lower portion of the annular rope slot is provided with an axial rope slot A communicated with the annular rope slot. A rope B is tied in the annular rope slot. The auxiliary rods are provided with axial rope slots B in a running-through mode. The mining medium-length blasthole blocking device is low in manufacture cost, simpl
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language chi ; eng
recordid cdi_epo_espacenet_CN203534369UU
source esp@cenet
subjects AMMUNITION
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title Mining medium-length blasthole blocking device
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