Deep-plowing raiser for tractor

A technology for tractors and lifters, which is applied to the lifting device, application, and agricultural machinery of agricultural machinery, etc. It can solve the problem that the overall performance of the tractor cannot be effectively exerted, and the stepless adjustable control, position control, and resistance control of the lifting system cannot be realized. Problems such as low functional accuracy, to achieve the effect of good adjustability, convenient adjustment, and improved control performance

Inactive Publication Date: 2007-12-05
LOVOL HEAVY IND
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Problems solved by technology

[0002] At present, the form of tillage depth control for tractors generally uses the deformation of the spring as the force signal of the upper link or lower link of the suspension system, and feeds the signal back to the main control spool through a series of feedback mechanisms. The control spool controls the hydraulic device to adjust the tillage depth of the implement through the received force signal. However, the adjustment of the tractor’s tillage depth is controlled by using the deformation of the spring as the force signal. The performance o

Method used

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  • Deep-plowing raiser for tractor

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Embodiment Construction

[0013] As shown in the attached figure, the tillage depth lifter for tractors includes a lift cylinder that can control the lifting of the suspension system, a tillage depth control valve connected to the lift cylinder, a force feedback unit that measures and collects the force information of the suspension system tie rod, and measures and collects The position feedback unit for the rotation angle position information of the lifting arm of the suspension system, the tillage depth controller connected with the force feedback unit and the position feedback unit respectively, and the control unit connected with the tillage depth controller, and the tillage depth controller is connected with the tillage depth control valve In this way, through the tillage depth controller, the signals measured and collected by the force feedback unit and the position feedback unit are processed, and the control unit is controlled, so that the tillage depth control valve controls the work of the lift...

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Abstract

The plow depth raiser for a tractor includes one raising oil cylinder for controlling the elevation of the suspension system, one plow depth controlling valve connected to the raising oil cylinder, one force feedback unit for measuring and acquiring the stress information of the pull rod in the suspension system, one position feedback unit for measuring and acquiring the rotation angle of the lift arm in the suspension system, one plow depth controller connected to the force feedback unit and the position feedback unit, and one operation unit connected to the plow depth controller, with the plow depth controller being connected also to the plow depth controlling valve. The present invention has raised plow depth controlling accuracy and high operation reliability of the hydraulic system.

Description

technical field [0001] The invention relates to an agricultural tractor technology, in particular to a tractor-used tillage depth lifter capable of controlling the tractor's tillage depth. Background technique [0002] At present, the form of tillage depth control for tractors generally uses the deformation of the spring as the force signal of the upper link or lower link of the suspension system, and feeds the signal back to the main control spool through a series of feedback mechanisms. The control spool controls the hydraulic device to adjust the tillage depth of the implement through the received force signal. However, the adjustment of the tractor’s tillage depth is controlled by using the deformation of the spring as the force signal. The performance of the machine cannot be effectively exerted. Moreover, the tractor hydraulic lifting control devices are currently mechanical lever mechanisms, which makes the accuracy of the position control and resistance control func...

Claims

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Application Information

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IPC IPC(8): A01B63/10
Inventor 张继勋王志全武小伟杨述庆
Owner LOVOL HEAVY IND
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