CARGO WORK WORKING VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide a cargo work working vehicle such as a hand lift truck or the like in which a load-carrying platform is not rapidly descended by operation failure of a lift lever and inexperience of a worker and generation of baggage breaking and generation of damage or the like on the baggage and a machine body can be prevented.

SOLUTION: The cargo work working vehicle is provided with a rapid descending prevention valve 50 and a pressure adjustment valve 70 on a lift switching valve 23. The lift switching valve 23 and the rapid descending prevention valve 50 are provided on a hydraulic base 10 and operation load of the rapid descending prevention valve 50 can be adjusted. A notch 51c is provided on a valve spool 51 of the rapid descending prevention valve 50 and a predetermined amount of operation oil is made flowing at an oil tank 14 side at "closing" of the rapid descending prevention valve 50. A lift lever 37 for operating the lift switching valve 23 is provided on the cargo work working vehicle 100 and a descending speed of the load-carrying platform 1 can be adjusted by operation of the lift lever 37.

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