| 摘要 |
A safety system for a forklift truck including a pressure detecting member is provided to make a safety valve perform the general operation anytime by mounting the pressure detecting member at returning side of the safety valve. A safety system for a forklift truck comprises: mast cylinders(15, 16); a pump to provide the fluid pressure supplied to the mast cylinder; a control valve controlling the fluid pressure supplied to the mast cylinder; and a safety valve(25) providing a safety function to the mast cylinder by keeping the fluid pressure supplied to the mast cylinder with a constant level; and a detecting member(30) verifying the working fluid leakage at the safety valve inside, installed at a return line of the safety valve. |
