Application of Magnetic Friction Typed Auxiliary Drivingfor TBM Tunnel Belf Conveyor

doi:10.3973/j.issn.1672-741X.2017.03.018

Tunnel Construction ›› 2017, Vol. 37 ›› Issue (3): 375-379.DOI: 10.3973/j.issn.1672-741X.2017.03.018

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Application of Magnetic Friction Typed Auxiliary Drivingfor TBM Tunnel Belf Conveyor

XU Hucheng¹, QI Mengxue², WANG Canlin³, CHE Xinning⁴

(1. Xinjiang Eerqisi River Basin Development and Construction Management Bureau, Urumqi 830000, Xinjiang, China; 2. Tunnel Engineering Co., Ltd., China Railway 18th Bureau Group, Chongqing 400700, China; 3. Traffic Engineering Co., Ltd., China Railway 18th Bureau Group, Wuhan 430000, Hubei, China; 4. Yankuang Group Co., Ltd., Zoucheng 273500, Shandong, China)

Received:2016-12-13 Revised:2017-01-04 Online:2017-03-20 Published:2017-03-30

Abstract

Abstract:

The belt conveyors are usually used to muck in long and large tunnel constructed by TBM. The auxiliary driving should be used when the mucking distance is long, so as to reduce the maximum tension and strength of the belt. A more adaptable magnetic friction typed auxiliary driving system, which has advantages of large power, no secondary transportation, no secondary impact damage to the belt, simple structure, less fault, compact structure, easy installation and flexible configuration, is developed. The abovementioned system can be used in belt conveyors in TBM tunnels, branch tunnels and tunnels which need auxiliary driving. It has been applied to the middle Yellow River Diversion Project in Shanxi successfully; so it is worth popularizing.

Key words: TBM, mucking, tunnel belt conveyor, auxiliary driving, magnetic friction, steel belt

CLC Number:

U 455.3

XU Hucheng, QI Mengxue, WANG Canlin, CHE Xinning. Application of Magnetic Friction Typed Auxiliary Drivingfor TBM Tunnel Belf Conveyor[J]. Tunnel Construction, 2017, 37(3): 375-379.

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Application of Magnetic Friction Typed Auxiliary Drivingfor TBM Tunnel Belf Conveyor

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