Under what circumstances does the crane support the foot pad block standard?

In case of special soft or inclined ground, the crane is hardening the road surface. Each leg should use three sleepers and be padded, with a thickness of not less than 18mm, a width of not less than 2mm and a length of not less than 12 mm. The minimum standard area of three sleepers is three times that of the leg plate. In soft places, there must be a rice steel plate with a thickness of more than .1 meter, or a special footboard selected by the manufacturer.

crane leg specification requires

lifting operation can only be carried out after all legs are supported on flat and firm ground. If the ground does not meet the requirements of the relevant regulations, it should be fully prepared in advance to confirm its safety before operation.

the bottom of the leg plate must be leveled with a crane leg plate or steel plate suitable for the ground, and it shall be firm, and shall not sink during the lifting operation. Use? When the crane leg pad, The supporting plate of the crane leg must be a solid structure that can fully bear the pressure of the leg. If a steel plate is placed under the leg plate, a thick steel plate with small deformation should be used.