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    TOWING ARRANGEMENT AND MOBILE WORK MACHINE
    4.
    发明公开
    TOWING ARRANGEMENT AND MOBILE WORK MACHINE 审中-公开

    公开(公告)号：EP3895917A1

    公开(公告)日：2021-10-20

    申请号：EP20169552.5

    申请日：2020-04-15

    申请人： Sandvik Mining and Construction Oy

    发明人： MIKKOLA, Jussi

    IPC分类号： B60D1/14 ,  B60D1/24 ,  B60T7/20 ,  B60D1/04 ,  B60D1/44 ,  B61D11/00 ,  B61G1/36 ,  B60D1/18 ,  E21F13/00

    摘要： A towing arrangement for a mobile work machine, and a mobile work machine. The arrangement (100) comprises a towing element (1) for allowing a towing tool to be connected to the towing arrangement (100). The towing element (1) is arranged to move in relation to the frame (2) of the work machine when a towing force is affecting to the towing element (1). The arrangement (100) further comprises a hydraulic actuator (3), a first part (4a) of the hydraulic actuator (3) attached to the frame (2), and a second part (4b) of the hydraulic actuator (3) connected to the towing element (1), such that the hydraulic actuator (3) is arranged to create hydraulic pressure along with movement of the towing element (1) in relation to the frame (2). The towing arrangement (100) comprises a flexible connection element (5) that is arranged to connect the towing element (1) to the hydraulic actuator (3) for transmitting said movement of the towing element (1) to the hydraulic actuator (3).

    MINE VEHICLE SAFETY CONTROL
    6.
    发明公开
    MINE VEHICLE SAFETY CONTROL 审中-公开

    公开(公告)号：EP3839203A1

    公开(公告)日：2021-06-23

    申请号：EP19216594.2

    申请日：2019-12-16

    申请人： Sandvik Mining and Construction Oy

    发明人： MÄKELÄ, Hannu ,  TARIQ, Usama

    IPC分类号： E21C41/16 ,  E21F13/00 ,  G05D1/02

    摘要： According to an example aspect of the present invention, there is provided a method, comprising: (310) receiving a tunnel model of an underground tunnel system of a worksite, (320) receiving a route point entry indicative of a route point position for a mine vehicle in the tunnel system, (330) defining, for controlling obstacle detection for the mine vehicle, at least one lateral safety margin parameter on the basis of vehicle dimension data and processing the tunnel model in respect to the route point position, and (340) associating the at least one lateral safety margin parameter with the route point position.

    POSITIONING OF MOBILE DEVICE IN UNDERGROUND WORKSITE
    8.
    发明公开
    POSITIONING OF MOBILE DEVICE IN UNDERGROUND WORKSITE 审中-公开

    公开(公告)号：EP3795798A1

    公开(公告)日：2021-03-24

    申请号：EP19198779.1

    申请日：2019-09-20

    申请人： Sandvik Mining and Construction Oy

    发明人： Martikainen, Pekka

    IPC分类号： E21F13/00 ,  G05D1/02

    摘要： According to an example aspect of the present invention, there is provided a method, comprising: receiving a three-dimensional tunnel model (410) of an underground tunnel system of a worksite, receiving two-dimensional position data (420) comprising sets of x coordinate values and y coordinate values of a mobile device in the underground tunnel system, performing a vertical plane ray cast operation (430) in the tunnel model at a mobile device position defined by an x coordinate value and an y coordinate value in the received position data, and determining a z coordinate value (440) for the mobile device position on the basis of the ray cast operation and at least one earlier resolved z coordinate value for a preceding mobile device position.