To operate the equipment, it is essential for one person to control the releasing of the brake, whilst another operates the winding crank.
在使用抱闸扳手时，必须有一人控制抱闸扳手，而另一人转动盘车手轮。
2
The utility model discloses an electromagnetic braking device, which comprises a crank connecting link-type mechanical reinforcement mechanism with a sliding block and a disk brake.