| 摘要 |
PURPOSE: An operator cabin for a crane is provided to allow an operator to control ventilation freely because all the front and rear parts of the operator cabin can be opened and closed. CONSTITUTION: An operator cabin for a crane comprises a lower frame(12), an upper frame(15), a roof door(19), and a rear door(33) and is installed in a driver seat(23) of a crane(20). The lower frame comprises a platform and an opening/closing door(13) with a hinge(14), wherein the platform is coupled with a body(11) connected to the upper side of a column(22) of the crane. The upper frame is connected to a rotating hinge point(16) of the lower frame on both sides of the top of the body connected to the platform and detachably coupled with a cylinder shaft(18) of a cylinder, and the height of the upper frame is controlled by the driving of the cylinder. The rood door is installed at an angle on the front roof of the upper frame, comprises a roof door cylinder installed in the upper frame, and is opened upward around a roof door hinge point. The rear door is installed on the rear side of the upper frame, comprises a rear door cylinder(34) installed in the upper frame, and is opened upward around a rear door hinge point(35). |
