| 摘要 |
PROBLEM TO BE SOLVED: To provide a swiveling device of a work vehicle that has a brake part capable of securing a long stroke of a spring member without increasing the height of the swiveling device.SOLUTION: A brake part 15 of a swiveling device is used for swing machinery 12, and includes a brake body 50, a housing 53, a piston 51, and a spring member 54. The brake body 50 stops swiveling. The housing 53 has a surface 53a and a recessed part 531 formed on the surface 53a. The piston 51 has a surface 51a opposed to the surface 53 and a recessed part 511 formed on the surface 51a, and is arranged between the brake body 50 and housing 53 and provided movably with respect to the housing 53 so as to make the brake body 50 operate. The spring member 54 has both ends housed in the recessed part 531 and recessed part 511, and energizes the piston 51 toward the brake body 50 so as to make the brake body 50 operate. |
