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Tower Crane Stability
2024-01-31
The ratio of the height of the tower crane to the size of the bottom support is large, and the center of gravity of the tower body is high, the torque is large, the braking is frequent, and the impact force is large. In order to increase its stability, we have to analyze the main reasons for the tower crane tipping. The following:
1. Overload. Different types of cranes usually adopt the lifting torque as the main control. When the working range increases or the weight exceeds the corresponding rated load, the overturning moment of the weight exceeds its stable moment, which may cause the tower crane to collapse.
2. Diagonal hanging. When lifting a heavy object diagonally, its overturning moment will be increased, horizontal and vertical components will be generated at the lifting point, and an additional overturning moment will be generated at the bottom support point of the tower crane, thereby reducing the stability factor and causing the tower crane to collapse.
3. The foundation of the tower crane is uneven, the ground endurance is not enough, and the verticality error is too large, which will increase the overturning moment of the tower crane and reduce the stability of the tower crane. Therefore, we must strictly inspect and control the inspections based on these key factors to prevent major equipment and personal safety accidents.
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