| 摘要 |
<p>PROBLEM TO BE SOLVED: To interlockingly move a load-carrying platform with opening and closing of a rear gate by an operation of one operation valve, in loading and unloading. SOLUTION: This truck 1 provided with a chassis frame 2, a guide stay 4, the load-carrying platform 6 movable along a longitudinal direction by a cylinder 5 for moving the load-carrying platform, and the rear gate 8 is provided with a rear gate opening and closing cylinder 9, a hook 10 for locking the rear gate 8, and a hook releasing cylinder 11. A retreat chamber 12 for the cylinder 5 for moving platform is connected to a retreat side port B of the operation valve 13, a release chamber 21 of the hook releasing cylinder 11 and an open chamber 17 of the rear gate opening and closing cylinder 9 are connected to the retreat port B of the operation valve 13 via the first selector valve 18 switched to a communication side when the platform 6 is moved to a prescribed retreat position, a closed chamber 19 of the rear gate opening and closing cylinder 9 is connected to an advance port A of the operation valve 13, and an advance chamber 14 of the cylinder 5 for moving platform is connected to the advance port A of the operation valve 13 via the second selector valve 16 switched to the communication side when the rear gate 8 is moved to a closed position.</p> |
