High-ground-clearance full-hydraulic parameter adaptive multifunctional plant protection machine

Abstract

The invention provides a high-ground-clearance full-hydraulic parameter adaptive multifunctional plant protection machine. The machine comprises a rack with four walking parts, and a mating system. Each walking part is provided with an independent hydraulic type steering assembly, an independent hydraulic type walking assembly, an independent hydraulic type lifting assembly, a steering hydraulic system, a walking hydraulic system and a lifting hydraulic system. The hydraulic walking assemblies comprise walking wheels and walking two-way hydraulic motors. A one-in-four flow distributing and collecting valve of each walking hydraulic system comprises a first oil port and four second oil ports communicated with the first oil port, wherein the first oil port is connected with one oil inflow and outflow port of a closed variable pump, one work oil port of each of the four walking two-way hydraulic motors is connected with the other oil inflow and outflow port of the closed variable pump, and the other work oil ports of the four walking two-way hydraulic motors are correspondingly connected with the four second oil ports. The plant protection machine is convenient to control and adjust, good in work stability, compact in structure, complete in function, high in flexibility, wide in application range and high in work efficiency.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a high ground clearance full hydraulic parameter adaptive multifunctional plant protection machine. Background technique [0002] At present, my country's rice production has basically realized mechanization in plowing, planting, harvesting and drying. However, there is still a lack of effective machinery for rice plant protection, fertilization, breeding and pollination in southern China, and the problem of poor management after planting has become increasingly prominent. [0003] Due to the influence of traditional agricultural farming habits in my country, deep mud feet in southern paddy fields, small fields, large height differences, and difficult field transfers, most of the plant protection models currently on the market are developed for the northern dryland market. The machines are generally large and not suitable for paddy field operations in the south. A...

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Problems solved by technology

[0004] At the same time, the application level of hydraulic systems in my country's plant protection machinery is relatively low.

Most of the four-wheel drive plant protection machines that use hydraulic systems use hydraulic motors to drive the road wheels. The steering control system is modeled on the construction machinery control system, and the wheels are easy to reverse. During the operation process, due to sudden changes in the ground, the speed of the four wheels is very likely to be inconsistent, resulting in Slipping phenomenon, large turning radius, inflexibility, too many seedlings, and unreliable braking; and there are many problems in the spraying system, walking control system, automatic suspension balance system, etc.

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