Device and method for realizing limit swinging angle of 30 degrees of mower by self-adaption to terrain
A lawn mower, self-adaptive technology, applied in the direction of harvesters, applications, cutters, etc., can solve problems such as difficult large-angle swing range, limited spring deformation range, and affecting the profiling effect
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[0064] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0065] figure 1 It is a schematic diagram of the whole machine structure of the hanging lawn mower under the normal working state. The whole lawn mower is connected to the rear three points of the tractor through the upper hanging point 13, the lower hanging left point 14, and the lower hanging right point 15. . The hydraulic pump 20, the relief valve 21, and the three-position four-way valve 22 are all components of the hydraulic system on the tractor. The three-position four-way valve 22 is located in the tractor cab and is controlled by the handle, and the three-position four-way valve 22 is normally closed. The lawn mower includes: a cutter general frame 1 , a lifting hydraulic cylinder 5 , a lifting arm 6 , a rotating arm 16 and a grounding slide 18 .
[0066] The first hinge point 2 is located at the center of the cutter overall frame ...
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