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A hst control mechanism and agricultural machinery

A technology of control mechanism and drive mechanism, which is applied to the layout of power plant control mechanism, mechanical equipment, control devices, etc., can solve the problems of poor directional stability, improve directional stability, reduce labor intensity, and reduce operating routes Effect

Active Publication Date: 2020-03-27
LOVOL HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that domestic agricultural machinery equipped with HST generally adopts a manual operation handle to control the displacement of HST, resulting in poor directional stability

Method used

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  • A hst control mechanism and agricultural machinery
  • A hst control mechanism and agricultural machinery
  • A hst control mechanism and agricultural machinery

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as Figure 1-Figure 3 As shown, a kind of HST control mechanism of the present embodiment comprises HST displacement adjusting part 1, shifting mechanism 6, forward end swing arm 2, backward end swing arm 3 and driving mechanism 5, and described driving mechanism 5 is hinged on the machine On the frame, the power end of the driving mechanism 5 is connected with the foot throttle 4 through the foot throttle backguy 41, the first driving end of the driving mechanism 5 is connected with the engine through the engine throttle backguy 42, and the two driving ends of the driving mechanism 5 are respectively It is connected with the swing arm 2 at the forward end and the swing arm 3 at the backward end, the swing arm 2 at the forward end and the swing arm 3 at the backward end are respectively connected to the shift mechanism 6 and realize the forward mode and the reverse mode through the shift mechanism 6 Switching, the shifting mechanism 6 is connected to the HST displa...

Embodiment 2

[0052] An agricultural machine in this embodiment includes an engine, an HST 8 and the HST control mechanism, and the HST displacement adjusting member 1 is installed on the HST 8 for adjusting the displacement. The agricultural machinery of this embodiment can ensure that both hands hold the steering wheel when increasing and decelerating, reduce the "S" shape of the working route, improve the directional stability, do not need to frequently operate the handle bar, have high comfort, and greatly reduce the labor intensity of the driver. When climbing slopes, crossing ridges and getting on trucks, the steering wheel can be operated with both hands, so the safety is high.

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Abstract

The invention relates to an HST control mechanism and agricultural machinery. The HST control mechanism comprises an HST displacement adjusting part, a gear shifting mechanism, a forward end swing arm, a backward end swing arm and a driving mechanism; the driving mechanism is hinged to a rack, a power end of the driving mechanism is connected with a foot pedal accelerator through a foot pedal accelerator throttle wire, a driving end I is connected with an engine through an engine throttle wire, and a driving end II of the driving mechanism is connected with the forward end swing arm and the backward end swing arm correspondingly; the forward end swing arm and the backward end swing arm are connected to the gear shifting mechanism correspondingly and realize the switching of a forward modeand a backward mode through the gear shifting mechanism, and the gear shifting mechanism is connected with the HST displacement adjusting part. In the forward mode or the backward mode, the driving mechanism drives an engine accelerator to simultaneously drive the forward end swing arm or the backward end swing arm to swing, and then the gear shifting mechanism acting synchronously with the driving mechanism pushes the HST displacement adjusting part to increase or decrease the HST displacement.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to an HST control mechanism and the agricultural machinery. Background technique [0002] At present, domestic agricultural machinery equipped with HST (hydraulic continuously variable transmission) generally adopts the method of manually controlling the displacement of HST. When walking, one hand needs to control the handle to change the displacement of HST and control the speed of the whole machine. , Only one hand controls the steering wheel, resulting in poor directional stability, and the walking route is likely to be "S" shaped. Since agricultural equipment needs to frequently adjust the working speed during operation, the existing manual shift control method has high labor intensity for the operator and poor directional stability; in addition, when climbing slopes, crossing ridges and getting on the truck, if it is necessary to change the forward or backward position mid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K26/02B60K26/04B60K20/02F16H59/02F16H63/30
CPCB60K20/02B60K26/02B60K26/04F16H59/02F16H63/30
Inventor 王桂民于克港李玉彪刘然陈福昌王乐刚
Owner LOVOL HEAVY IND CO LTD
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