1. Mechanical three roll brake has a unique positioning and reset system: automatic reset, and can always stay one lever in a horizontal position, belong to the pure mechanical transmission products, electric operation, has a simple structure, high reliability, but compared with automatic and semi-automatic three roll gate three roller gates, unilateral and mechanical three roller brake control only one direction, at the same time don't have to maintain the characteristics of mechanical three roll gate, suitable for one-way flow management limited.
2. Semi-automatic three roll gate pedestrian action is needed to drive three roller gates to complete the passage, semi-automatic three roller brake cost compared with automatic roller brake much lower price, is applied to traffic was more common, step by step way of channel. Semi-automatic three roll brake configuration motor, special configuration, there are two electromagnet and special ?