Side frame for construction machine

摘要

The present invention aims to reduce the costs of construction machine by providing a side frame that can be shared by a plurality of construction machines of different models. A left side frame has: a cab support portion for supporting a cab; a cooler support portion provided behind the cab support portion to support a cooler; and a tank support portion provided between the cab support portion and the cooler support portion to support a tank. The tank support portion is configured to allow one of a first tank and a second tank that is different from the first tank in size in the right-and-left direction to be selectively attached to the tank support portion.

主权项

1. A side frame for a construction machine having a lower traveling body, a main frame slewably supported on the lower traveling body, and a work attachment attached to the main frame in a movable manner, the side frame configured to be fixed to a side of the main frame, the side frame comprising:
a cab support portion for supporting a cab of the construction machine; a cooler support portion provided behind the cab support portion to support a cooler of the construction machine; and a tank support portion provided between the cab support portion and the cooler support portion to support a tank of the construction machine, wherein the tank support portion is configured to allow one of a plurality of tanks whose sizes are different in a right-and-left direction to be selectively attached to the tank support portion, a front portion of the tank support portion is coupled to a rear portion of the cab support portion, the cab support portion has a first part extending vertically in an up-and-down direction, a horizontal plate that extends rearward from an upper end of the first part and that is disposed substantially horizontally to support the cab, and a vertical plate that extends downward from the horizontal plate and that is disposed behind the first part, and the tank support portion has a support plate that extends rearward from the rear portion of the cab support portion to support the tank from below and the support plate is disposed behind the vertical plate.