| 摘要 |
PURPOSE: To position an attachment auxiliary frame by detachably fixing an auxiliary frame which forms a part of an attachment and is attachably and detachably pivotally supported on a frame body and a fluid connection part having a valve to the attachment. CONSTITUTION: The structure for fixing a detachable attachment 1 to a vehicle 14 is protruded near one end of the vehicle 14. The structure is provided with an auxiliary frame 30 mountable on the frame of the vehicle 14 and at least one hydraulic device for operating the attachment 11. The vehicle 14 has a source for hydraulic fluid, a fluid connection part 84 between the source and the hydraulic device, and an attachment-positioning valve 79 for separating the attachment 11 from the source. In order to center and connect a fluid valve, a stabilizing device, a boom and a dipper are positioned. According to this, the positioning function to the frame of the vehicle 14 can be provided.
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