Analysis of the crane hook hitting the ceiling fault

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As is well known, various faults inevitably occur in lifting machinery during operation. To this end, the editors of China Lifting Network will explain to you the causes of these failures. 1. After prolonged operation, the internal components of a crane can become loose, such as the screws on the limiters. When the limiter becomes loose, the screws on it cannot make better contact with the limiter ； This will result in an overshoot. Furthermore, since each device has its own lifespan. If it is not inspected on time, the cumulative effects over time lead to additional hidden risks for the limiter. II. If the connector of the limiter is not properly attached and becomes loose. Once the limiter fails, it can cause the hook to hit its upper limit. III. During the installation of the crane, the staff failed to adjust the sequence of the controllers. At this point, the contacts of the limiter will be hidden, which leads to a situation of overtravel. Furthermore, even if there were no problems during installation ； Special care still needs to be taken when using it. Do not use the upward operation as a downward operation.