| 摘要 |
The present invention relates to a mast structure for a forklift and, more particularly, to a mast structure for a forklift, which is to secure the front view of a forklift driver. The mast structure for a forklift capable of securing a view comprises a lower mast which includes a pair of guide beams where a rail is formed in the inner surface thereof; a middle mast which ascends or descends by being combined with the inner side of the lower mast; a pair of sprockets which is combined with the middle mast; an upper mast which ascends or descends by being combined with the inner side of the middle mast; a carriage which ascends and descends on the upper mast; a chain whose one end is fixated to the lower mast, whose the other end is fixated to the upper mast, and goes by way of the sprocket; a pair of carriage hydraulic cylinders which is fixated to the lower part of the upper mast in order to elevate the carriage; a pair of main hydraulic cylinders which is installed by being divided into both sides of a view space of the lower mast, and elevates the middle mast; and an attachment line which supplies a hydraulic fluid to the pair of main hydraulic cylinders and the pair of carriage hydraulic cylinders. |
