| 摘要 |
An antivibration mounting apparatus (30) is provided with a case (31) fixed to a turning table (13) and a stud (33) fixed to a cab (20). An elastic body (34) is provided between the case (31) and the stud (33), and relative displacement of the stud (33) to the case (31) in the diameter direction is suppressed by the elastic body (34). On the lower part of the case (31), an attenuating mechanism (40) having an attenuating liquid (43) stored in a liquid chamber (42) and an attenuating member (41) fixed by the stud (33)is provided. Furthermore, on the upper part of the case (31), an air spring (50) supported by the stud (33) or the case (31) is provided, and a load transmitted from the cab (20) to the stud (33) in the shaft direction is supported by the air spring (50).
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