Smart protection and control system and method for universal joint and gearbox of rotary cultivator

Abstract

The invention discloses a smart protection and control system and method for a universal joint and a gearbox of a rotary cultivator. The system includes an angle sensor, a controller, a limit switch, an arrangement button, a lifting handle, a solenoid valve and a lifting arm oil cylinder, wherein the angle sensor is mounted on a rotation central shaft of a lifting arm of a rotary cutter of the rotary cultivator. The controller is mounted on the machine body of the rotary cultivator. The limit switch is mounted at a gear handle position of the rotary cutter of the rotary cultivator or at a clutch position of the rotary cutter. The arrangement button is mounted on an operation board of the rotary cultivator. The angle sensor, the limit switch, the arrangement button and the solenoid valve are connected with the controller. The the lifting handle is connected with the solenoid valve. The the lifting arm oil cylinder is connected to the lifting arm of the rotary cutter of the rotary cultivator via a connecting lever. The invention also provides a smart protection and control method for the universal joint and the gearbox of the rotary cultivator. According the invention, the system and the method guarantee that during tillage of the rotary cultivator, the value of the included angle of two shafts connected to the universal joint does not exceed the allowable maximum value, so that the universal joint and the gearbox are protected.

Description

technical field [0001] The invention relates to an intelligent protection control system and method for a universal joint and a gearbox of a rotary tiller. Background technique [0002] At present, the agricultural rotary tillers used in the market will encounter uneven conditions when plowing the land, and the height of the cutter needs to be adjusted from time to time. In the work, the rotary tiller cutter depth and elevation of the rotary tiller are generally controlled by manual observation of the manual control handle. Height, cumbersome operation, sometimes mistakes in observation and judgment, excessive lifting of the rotary tiller tool of the rotary tiller, causing the angle between the two axes connected to the universal joint to exceed its allowable maximum value, and the transmission torque of the universal joint is too large , it cannot be transmitted normally, and in severe cases, the universal joint may be damaged and the gearbox may be scrapped. Therefore, a ...

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Problems solved by technology

[0002] At present, the agricultural rotary tillers used in the market will encounter uneven conditions when plowing the land, and the height of the cutter must be adjusted from time to time. In the work, the rotary tiller cutter depth and elevation of the rotary tiller are generally controlled by manual observation of the manual control handle. Height, cumbersome operation, sometimes mistakes in observation and judgment, the excessive lifting of the rotary tiller tool of the rotary tiller, resulting in the angle value of the two axes connected to the universal joint exceeding its allowable maximum value, causing the transmission torque of the universal joint to be too large , it cannot be transmitted normally, and in serious cases, the universal joint may be damaged and the gearbox may be scrapped.

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