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Mining vehicle and method for energy supply thereof

A technology for energy supply and vehicles, applied in vehicle energy storage, vehicle components, electric vehicles, etc., can solve problems such as occupying a lot of space

Inactive Publication Date: 2016-06-29
SANDVIK MINING & CONSTR OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, exhaust gases and noise from combustion engines cause problems in mines
Furthermore, combustion engines take up a lot of space on the vehicle's carrier and necessitate regular maintenance

Method used

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  • Mining vehicle and method for energy supply thereof
  • Mining vehicle and method for energy supply thereof

Examples

Experimental program
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Embodiment Construction

[0015] figure 1 A rock drilling rig is shown as an example of a mining vehicle 1 equipped with one or more mining implements 2 . The rock drilling rig comprises a carriage 3 which can be moved by means of a drive device 4 . The drive device 4 comprises one or more drive motors 5 and one or more transmissions 6 for transmitting drive power to one or more wheels 7 . The drive power transmission may comprise a mechanical gear system and mechanical power transmission members, or, alternatively, the drive power transmission may be hydraulic or electric. One or more drill booms 8 may be arranged on the carrier 3 and the drill booms 8 may be equipped with the mining work equipment 2 . exist figure 1 In the embodiment shown in , the first drilling arm 8a is a drilling arm, at the outermost end of which there is a rock drilling unit 9 comprising a feed beam 10, by means of which a rock drilling machine 11 can be The feeding device 12 moves along the feed beam 10 . The rock drillin...

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Abstract

The invention relates to a mining vehicle and to a method for an energy supply of the mining vehicle. The mining vehicle comprises at least one mining work device, at least one AC electric motor for powering the at least one mining work device, and an auxiliary energy source. The mining vehicle further comprises a power electronics device that is used for supplying reactive current and for charging or discharging the auxiliary energy source. The amount of the reactive current supplied by the power electronics device and the amount of the effective charging current for charging or discharging the auxiliary energy source are controlled such that the maximum value for the current of the supply cable and the maximum value for the current of the power electronics device are not exceeded.

Description

technical field [0001] The invention relates to a mining vehicle and a method for the energy supply of a mining vehicle. Background technique [0002] In mines, rock drilling rigs and other mining vehicles are used to perform operations at pre-planned work sites according to the duty cycle of the mining operation. After the necessary tasks according to the work cycle, such as drilling of holes, have been performed, the mining vehicle is moved to the next work site and starts a new work cycle. In underground mines, in particular, mining vehicles are commonly used, the driving energy for operation according to the duty cycle being electricity from the mine's electrical network. On the contrary, the transfer drive between work sites is performed by means of driving energy obtained using a combustion engine, usually a diesel engine, whereby cables etc. do not limit the transfer drive. However, exhaust gases and noise from combustion engines cause problems in mines. Furthermor...

Claims

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Application Information

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IPC IPC(8): H02J7/02H02P27/06B60L1/00B60L9/00
CPCB60L1/00B60L9/00H02J7/02H02P27/06B60L3/06Y02T10/7072Y02T90/14B60L50/53B60L50/40B60L50/51B60L53/00B60L58/12B60L2200/40B60L53/18H02J2310/48Y02T10/70Y04S10/126Y04S30/12Y02E60/00Y02T90/167
Inventor 米科·科沃萨穆利·科希亚萨穆利·韦尔霍哈里·瓦塔宁
Owner SANDVIK MINING & CONSTR OY
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