Patent ID: 8177017

Claim:
A traveling working machine, comprising: a traveling gear; an undercarriage on which the traveling gear is arranged; and an uppercarriage rotatably arranged on the undercarriage about a vertical axis of rotation, wherein a load-bearing steel construction of the uppercarriage is composed of at least one first element and one second element, which are connected with each other via bolts and/or screws, wherein a slewing ring for rotatable attachment of the uppercarriage to the undercarriage is arranged on the first element, wherein the connection of the first element with the second element comprises at least one or more bolt connections whose bolting axis extends horizontally, wherein the second element rests on the first element in at least one stop region, wherein the connection of the first element with the second element furthermore comprises at least one or more screw connections, which are arranged in the stop region, wherein screwing axes of the screw connections are orthogonal to the bolting axis and extend horizontally.