Leveling system for self-adaptive chassis leveling of high-ground-clearance plant protection machine

Abstract

The invention discloses a leveling system for self-adaptive chassis leveling of a high-ground-clearance plant protection machine. The leveling system comprises a frame body for supporting the plant protection machine, four independently driven traveling mechanisms fixedly mounted on the lower side of the frame body, and hydraulic leveling mechanisms; the four traveling mechanisms are distributed in four different directions of the frame body; each hydraulic leveling mechanism comprises a lifting pipe and a lifting two-way hydraulic oil cylinder which is used for controlling the lifting pipe tostretch and contract and provided with two oil inlet and outlet ports; the four lifting two-way hydraulic oil cylinders are connected in parallel; and the four lifting two-way hydraulic oil cylindersare connected with a lifting pressure oil source and a lifting oil tank through a two-way hydraulic lock set, a three-position four-way solenoid valve set and a two-position two-way solenoid valve set used for controlling an oil circuit switch in sequence. The invention further discloses a leveling method of the leveling system. A vehicle can be automatically levelled in all directions, the probability of longitudinal rollover of the vehicle is lowered, and a certain damping effect can be achieved.

Description

technical field [0001] The invention relates to the field of agricultural machinery and equipment, in particular to a leveling system and a leveling method used for self-adaptive leveling chassis of high ground clearance plant protection machines. Background technique [0002] Rice is the main food crop in the world and is widely grown around the world. my country is the country of origin of rice, and it is also the birthplace of hybrid rice. The successful development of hybrid rice has made great contributions to solving the world's food security problems. At present, my country's rice production has basically realized mechanization in most technical links, such as mechanical plowing, mechanical direct seeding and mechanical transplanting, mechanical harvesting, and grain dryers. However, due to the traditional agricultural farming habits in my country, the deep mud feet of southern paddy fields, small fields, large height differences, and difficult field transfers, at pr...

AI Technical Summary

Problems solved by technology

However, due to the traditional agricultural farming habits in my country, the deep mud feet of southern paddy fields, small fields, large height differences, and difficult field transfers, at present, it is specially designed for ground plant protection operations in paddy fields, especially for complex operating environments, which can ensure the operation of machines and tools. There is still no better solution for a double-leveling high-ground plant protection machine that is stable and has a stable operating effect

[0003] At the same time, my country's plant protection machinery currently mostly uses mechanically fixed axles, and its steering flexibility and portability need to be improved, and it has a plant protection machine with adjustable operating parameters, which is usually a large plant protection machine suitable for northern dry land. While the model has the advantages of complete functions and long battery life, it is completely unsuitable for paddy field operations in small fields in the south.

The shortcomings of the current two mainstream leveling methods in the agricultural field: the first is that the traditional automatic leveling system uses a switch-type automatic control system, and its sensors are mostly hydraulic One way of working in response to sensor signals

However, this leveling system has higher requirements on the accuracy of the structure and is expensive.

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