| 摘要 |
The present invention relates to an elevating device for a high place working vehicle, capable of controlling the elevation height of a lift arm to limit the elevation of a worktable depending on a phase change and the detection of obstacles. The present invention includes: a movable trolley; a lift arm installed in the upper part of the trolley, and elevated while being folded; a worktable installed in the upper part of the lift arm, and including a guardrail and a control device; a pole installed erectly on the guardrail, wherein the upper part is combined with a limit switch to control the elevation height of the lift arm; and a protecting unit installed in the upper part of the hole, protruding in a direction in which the limit switch is combined, and installed to cover the limit switch. |
