电动栏杆栏杆臂自动返回装置

Automatic Return Mechanism for the Arms of Electric Barriers

收费站广泛使用的电动栏杆偶尔会发生栏杆臂砸车事故。本文设计一种栏杆自动返回装置 ,电动栏杆装上这种装置后 ,栏杆臂万一砸车时 ,行程开关动作 ,控制电动机反转 ,栏杆臂迅速返回到竖直位置 。

Electric barriers are commonly used in toll stations. Sometimes vehicles are hit by the barriers accidentally. This paper presents an automatic return mechanism for the arms. With the mechanism, the accidents can be avoided. If the arm attempts to hit a vehicle, the stroke switch will control the motor to return the arm to the vertical position, preventing it from hitting the vehicle.