Overhead cranes are important auxiliary equipment for steel producers, from steel billets to finished product loading, process roll change, equipment overhaul, and heavy goods transport in the workshop. Therefore, whether the overhead crane can operate normally is directly related to the normal production, construction period, safety and economic benefits of the enterprise, and ensuring that it is in good operating condition is a necessary condition for the normal production of steel rolling. The ideal operation of the crane should be that all wheels are rolling without slip on the steel crane rail, and the rim is not in contact with the steel crane rail on which it is running, namely the rim maintains a certain gap with the wheel. In fact, for some reasons, the rules, parallelism, straightness, etc. of the crane guide rail exceed the specified error, causing the rim of the wheel to forcibly contact the steel crane rail during the driving process, causing friction and damage to the rim and the steel crane rail, called the steel crane rail gnawing. The rails not only shorten the service life of the wheels and rails, reduce work efficiency, increase production costs, and even cause derailment, resulting in significant equipment and personnel property losses. The steel crane rail robot is a machine that detects the single-track straightness, double-track parallelism, track span, single-track horizontality, and dual-track horizontality of the overhead crane. It can track the spatial trajectory of the measuring device and calculate the specific data through real-time data processing and measurement content. The orbital robot is mainly composed of a driving unit, an anti-rollover mechanism, a wireless receiver, a marking unit, a corner prism, an adjusting mechanism and a control unit. By controlling the remote control, you can quickly read forward, fast forward, fast backward, slow forward, and slow backward in the track to suit different measurement requirements. Through the adjustment devices on both sides of the robot, the robot can safely travel on the track within the range of 70mm-130mm. The control unit is the core of the robot. It receives signals from the ground crew, controls the movement of the robot, and can determine whether to reduce the speed, perform damage marking or stop motion according to the running conditions. The maximum speed of the orbiting robot can reach 0.5m/s. In order to ensure the detection accuracy, the walking speed is controlled within 0.3m/s during real-time detection.
The robot travels along the guide rail to achieve fixed point measurement or continuous walking measurement. The robot drive motor must realize the speed and forward and reverse speeds, that is, the robot realizes fast reading forward, fast backward, slow forward, and slow backward movement. The fast and slow speeds must be within a certain range, and it is easy to remote control. Convenient for working at heights.