Outrigger device, crawler crane provided with the same, ground member for outrigger device, shock absorber for outrigger device

摘要

PROBLEM TO BE SOLVED: To provide an outrigger device capable of suppressing generation of a sound due to contact of a float with another component by vibration and so on of the outrigger device at the time of a storage attitude.SOLUTION: An outrigger device 10 has a storage attitude during non-operation and a development attitude during operation, and comprises a float 21 which is so pivoted to a tip of an inner box 20 as to be rotatable around a horizontal axis, a second grip 24 equipped with a holding part comprising a cushioning member which is provided on the inner box 20 side which the float 21 approaches during rotating in a rotation direction. The float 21 is so pivoted that an end part thereof near the second grip 24 in the storage attitude has an attitude higher than an end part thereof far from the second grip.SELECTED DRAWING: Figure 2