The invention discloses a lifting overload protection device and method and a forklift, the lifting overload protection device comprises a storage battery, the positive electrode of the storage battery is connected with a pin b of a weighing display controller, a pin 85 of a relay and a common contact 30, and the negative electrode of the storage battery is connected with a pin a of the weighing display controller and an electromagnetic valve; the electromagnetic valve is further connected with a normally open contact 87 of the relay, a pin c of the weighing display controller is connected with a pin 86 of the relay, a pin d of the weighing display controller is connected with an upper proximity switch, a pin e of the weighing display controller is connected with a lower proximity switch, and a pin f of the weighing display controller is connected with a pressure sensor. The safety of the lifting working condition under the overload condition is effectively guaranteed.
本发明公开了起升超载保护装置、方法及叉车,起升超载保护装置,包括蓄电池,蓄电池的正极分别与称重显示控制器的b脚、继电器的85脚和公共触点30连接,蓄电池的负极分别与称重显示控制器的a脚和电磁阀连接,电磁阀还与继电器的常开触点87连接,称重显示控制器的c脚与继电器的86脚连接,称重显示控制器的d脚连接有上接近开关,称重显示控制器的e脚连接有下接近开关,称重显示控制器的f脚连接有压力传感器。本发明有效保证超载情况下起升工况的安全性。
Lifting overload protection device and method and forklift
起升超载保护装置、方法及叉车
2024-11-01
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |