The currently popular multi-functional land preparation technology is realized by using a large tractor with a multi-functional grader. Using this technology, the unit can complete the operations of cockroach, rotary tillage, fertilization, ridges and repression in one go, which is very popular among farmers. However, due to the multi-function land preparation machine with many functions and complicated structure, the adjustment in the operation is time-consuming, such as the adjustment of depth, ridge distance and handover ridge. If these places are adjusted at least one hour, it wastes the working time and increases the weight. Labor intensity. In response to these problems, people of insight have come up with new tricks - using the hydraulic system of the tractor instead of manual adjustment, that is, three hydraulic cylinders are operated by the driver with three control valves, respectively, for depth, ridge distance and handover The specific method of ridge adjustment is:
First, the adjustment of the depth of cultivation. Install a ground in the middle of the rear beam of the multi-purpose soil preparation machine, and then connect a hydraulic cylinder to the ground lifting rod. The oil cylinder is fixed on the multi-function machine, and the height of the ground is changed by the expansion and contraction of the oil cylinder to complete the adjustment of the depth of the soil.
Second, the adjustment of the ridge distance. Install four square sleeves on the rear beam of the multi-purpose grader, fix the four ridge shovel to the square sleeve, and connect a hydraulic cylinder to the square sleeve through the transmission component. The cylinder is fixed on the multi-function machine and controlled by the cylinder. The transmission component changes the lateral position of the ridge shovel to complete the adjustment of the ridge distance.
Third, the adjustment of the handover ridge. Install a hydraulic cylinder in the middle of the left and right pull rods of the tractor suspension to control the lateral position of the whole machine and complete the adjustment of the handover ridge. (Mu Tao)
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