Barrier gate circuit for controlling brake bar capable of manually rising and falling during power failure

Abstract

The invention discloses a barrier gate circuit for controlling a brake bar capable of manually rising and falling during power failure. The barrier gate circuit comprises a machine body. A motor is fixed to the machine base and drives a power output shaft through a retarding mechanism. One end of an active crank arm is fixed to the end of the power output shaft, and a limiting check block is arranged on the machine base. The swing amplitude of the active crank arm is limited by the limiting check block, and one end of a connecting rod is movably sleeved with the other end of the active crank arm. One end of a swing arm is movably sleeved with the other end of the connecting rod, and a swing rod shaft rotatably arranged on the machine base is fixedly sleeved with the other end of the swingarm. A balance spring with one end being fixed to the machine base is arranged on the swing rod shaft in a hung mode through a hanging arm, and a rod handle sleeve of the brake bar is fixed to one endof the swing rod shaft. When the brake bar is located on a horizontal position, the connecting line of the axis of the active crank arm and the axis of the connecting rod is perfectly straight or upwards bent to enable the active crank arm to abut against one end of the limiting check block. The barrier gate circuit has the advantage that bar mistaken rising under abnormal situations can be prevented.

Description

technical field [0001] The invention relates to a barricade, in particular to a barricade circuit capable of manually raising and lowering the bar during a power failure, which can prevent accidental lifting of the bar under abnormal conditions. Background technique [0002] Barrier gates, also known as car stoppers, are passage entrance and exit management equipment specially used to restrict motor vehicles on the road. They are now widely used in highway toll stations and parking lot systems to manage vehicle passages and to manage vehicle entry and exit. The electric barrier gate can realize the landing bar through the wireless remote control alone, and can also implement the automatic management state through the parking lot management system (ie, the IC card management system). When entering the venue, the card is taken to release the vehicle. When leaving the venue, the parking fee is charged and the vehicle is automatically released. However, as the traffic becomes mo...

AI Technical Summary

Problems solved by technology

However, as the traffic is becoming more and more congested and violent social conflicts occur from time to time, the barrier gates are often accidentally lifted during power outages, resulting in unnecessary economic losses

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