| 摘要 |
<p>The present invention relates to a grab interlocking device to interlock the bucket and grab of an excavator and, more specifically, to a grab interlocking device to interlock the bucket and grab of an excavator capable of increasing the rotation range of a grab through the operation of first and second driving links, and preventing damage to a hydraulic line by installing a relief valve to prevent oil pressure flowing back to a grab hydraulic cylinder in accordance to the internal rotation of a bucket during the operation of the grab. According to the present invention, the grab interlocking device to interlock the bucket and grab of an excavator comprises: a motion part having the bucket and the grab capable of rotating the bucket and the grab by coupling the bucket and the grab; a driving part having a bucket hydraulic cylinder to operate the bucket and the grab hydraulic cylinder to operate the grab; and a control part to control the motion of the bucket and the grab contained in the motion part.</p> |
