METHOD FOR DETERMINING USAGE RATE OF BREAKING HAMMER, BREAKING HAMMER, AND MEASURING DEVICE |
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| 申请号 | EP10838750 | 申请日 | 2010-12-20 | 公开(公告)号 | EP2516755A4 | 公开(公告)日 | 2018-01-17 |
| 申请人 | SANDVIK MINING & CONSTRUCTION OY; | 发明人 | OKSMAN MIKA; LEHMUSVIRTA ILKKA; | ||||
| 摘要 | A method and measuring device for determining the usage rate of a breaking hammer, and to a rock breaking device. The measuring device comprises a sensor for measuring a physical phenomenon caused by the operation of the percussion device. The measuring results are processed, and they are used to determine the start and end times of the operation of the percussion device. By means of a timing device, it is possible to determine the duration of an impact cycle which is added to a time counter. The durations of impact cycles added cumulatively to the time counter indicate the total percussion time of the breaking hammer. Impact pauses between impact cycles are also monitored, and pauses shorter than a predefined time limit are taken into account as part of the usage rate. | ||||||
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