Common knowledge of crane pad safety

1, supporting the ground must be horizontal, otherwise it is necessary to do a horizontal surface, can not be supported on the hole.

2. The machine must be supported on a solid ground. If the maximum possible ground pressure is higher than the allowable ground pressure, the crane pad must be used to increase the supporting surface area.

3, if the machine support in the pit, slope, etc., nearby, should retain enough safety space.

4, bearing, must ensure that the machine is in a state level, level of maximum allowable deviation is less than 3 °.

5. When stretching or folding the leg, the leg rotation range is a dangerous area, and personnel may be injured within this range.

6. When supporting, all supporting legs must be extended in place to ensure sufficient supporting area, otherwise there is a risk of tipping over.

7. The boom can only be operated after the machine is supported as required;The boom must be closed and placed on the main support of the boom before the legs can be supported.

8, the reduced stability of the factors must be immediately closed boom, after the elimination of re - required support.

Note 1 factors that reduce stability mainly include:

A. changes in surface conditions caused by rain, snow or other water sources

B. The ground sinks on the side of the supporting leg

C. the oil cylinder of the supporting leg leaks

Note 2: crane pad

A. When the maximum pressure of the supporting leg (marked on the supporting leg arm) is greater than the allowable pressure on the ground, the supporting leg pad shall be installed at the bottom of the supporting leg.

B. Generally, the size of crane pad is 500mm*500mm*50mm. For example, four support plates are included in the attached accessories of sany pump.

C. Parlmu Co. is specialized in supporting production of supporting leg pad by zoomlion and sany heavy industry.

The key word of this article is:crane pad, pump plate