| 摘要 |
<p>A jaw crusher comprises an oscillating jaw (2,3) having an operating setting D which is adjustable by means of a toggle device (7) connected to the oscillating jaw (2,3) by a freely supported toggle plate (5). The oscillating jaw (2,3) and the toggle device (7) are connected and held in tension by a tension rod assembly (9,10,11) and there are provided means for determining the tension applied to the tension rod assembly (9,10,11), comparing the measured tension with a pre-set value and adjusting the tension to the pre-set value. <IMAGE></p> |
