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Tunneling Conveyor Systems
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Catalog excerpts

Tunneling Conveyor Systems - 2

Muck & Spoil Handling Experience To Count On For decades Joy Global has been designing and manufacturing materials-handling equipment for mining and industrial applications throughout the world. Conveyor systems provide an efficient, reliable, cost-effective and lower-risk method of removing muck and spoil from tunneling excavation sites. Since the late 1980s, when the benefits of using conveyor systems in tunneling projects first became apparent, Joy Global has been a worldwide leader in the manufacture and sale of conveyors designed and built to withstand the harsh conditions associated...

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Tunneling Conveyor Systems - 3

Drive Systems, Belt Storage & Belt Tensioning Drive Systems We provide a comprehensive range of drive units, designed to be modular in construction for ease of maintenance and adaptability for re-use from project to project. We utilise energy-efficient Tensioning and Storage Systems electric motors and high quality gear systems Joy Global offers large capacity belt storage systems giving to provide long life and minimum operational typically 400 - 800m of storage, facilitating 200 - 400m of costs. Our drive pulley design employs high tunnel advance without interruption. In order to reduce...

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Tunneling Conveyor Systems - 4

Conveyor Structure & Booster Drive Systems Conveyor Structure Main runs of conveyor structure, incorporating Joy standard components, are designed to suit the client’s specific muck/spoil extraction and tunnel mounting parameters. This structure offers ease of assembly and the option of utilising either roof, wall or floor mounting. Systems have been developed for segment lined, shotcreted or unlined tunnel configurations. Booster Drive Systems Joy Global employs the latest control technology to facilitate long distance belt conveying using a tripper booster drive configuration. The tripper...

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Tunneling Conveyor Systems - 5

TBM Back-up Interface & Electrical Control Systems TBM Interface with Conveyor Structure Joy Global has worked with many of the major leading TBM manufacturers, Road Heading and Drill and Blast Contractors. The interface between the TBM and the conveyor structure is paramount to successful tunnel excavation advance. Material loading points and belt return configurations are designed specifically for each installation. Tunnel conveyor structure installation is designed to facilitate conveyor mounting during TBM operation, thus providing for uninterrupted tunnel advance. Belt Return Unit...

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Tunneling Conveyor Systems - 6

High Angle Conveyors – HAC Worldwide, Joy’s high angle conveyor is a proven option for a variety of steep angle applications. In addition to tunneling, the HAC conveyor has the ability to handle coal, gravel, ores, excavated silts, sand, clay, refuse, municipal sludge and much more. Customers using Joy’s high angle conveyors have realised significant financial savings. HAC technology has solved many high capacity, steep angle conveying problems, up to and including vertical lifts. The Joy system employs standard idlers and rollers and a simple, but unique, sandwich principle, that overcomes...

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Tunneling Conveyor Systems - 7

Conveyors are considered a lower risk as they are located close to the tunnel wall or roof area. No dangerous switching of Muck Cars is necessary, which reduces the likelihood of rail traffic accidents. CONTINUOUS OPERATION By their nature, Muck Cars are intermittent. Conveyors allow the tunnel excavation process to proceed in a more reliable and, with the exception of belt storage replenishment, almost continuous manner. Muck Cars do not enable efficient transportation of certain materials, such as ring segments. Use of conveyors results in reduced infrastructure costs, especially where...

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Tunneling Conveyor Systems - 8

Product designs, specifications and/or data in this document are provided for informational purposes only and are not warranties of any kind. Product designs and/or specifications may be changed at any time without notice. The only warranties that apply to sales of products and services are Joy Global’s standard written warranties, which will be furnished upon request. Joy Global, Joy, P&H, HAC and related logos are trademarks of Joy Global Inc. or one of its affiliates. © 2013 Joy Global Inc. or one of its affiliates. All rights reserved. XS-5333-2-EN-GB 0413

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