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Hydraulic mechanical double-flow transmission device for slide moving steering type vehicle

A hydraulic transmission and skid steering technology, applied in fluid transmission, transmission, mechanical equipment, etc., can solve the problem of low transmission efficiency, and achieve the effect of improving reliability, efficient transmission and excellent steering performance

Inactive Publication Date: 2014-12-24
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this transmission method solves the problem of slipping vehicle steering, the transmission efficiency is very low in the process of direct driving of the vehicle.

Method used

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  • Hydraulic mechanical double-flow transmission device for slide moving steering type vehicle
  • Hydraulic mechanical double-flow transmission device for slide moving steering type vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as figure 1 As shown, a hydromechanical dual-flow transmission device for a skid steer vehicle includes an input shaft 1, a hydraulic transmission mechanism 2, a mechanical transmission mechanism 3, a left drive device 4, and a right drive device 5. The transmission mechanism 2 and the mechanical transmission mechanism 3 are meshed, and the hydraulic transmission mechanism 2 and the mechanical transmission mechanism 3 respectively drive the left drive device 4 and the right drive device 5 respectively, and the left drive device 4 and the right drive device 5 have the same structure and are bilaterally symmetrical arrangement, the left driving device 4 includes a left ring gear 41, a left planetary carrier 42, a left sun gear 43, a left sun gear brake 44, a left speed change gear pair 45 and a left crawler belt 46, and the right driving device 5 includes a right gear ring 51, right planet carrier 52, right sun gear 53, right sun gear brake 54, right speed change gea...

Embodiment 2

[0029] Such as figure 2 As shown, in order to prevent steering interference and control steering more precisely and flexibly, two hydraulic transmission mechanisms are used instead of one hydraulic transmission mechanism and one differential device mode. The hydraulic transmission mechanism 2 includes a left hydraulic transmission mechanism 21 and a right hydraulic transmission mechanism 22, the output end of the left hydraulic transmission mechanism 21 is engaged with the left sun gear 43, and the output end of the right hydraulic transmission mechanism 22 is engaged with the right sun gear 53 engaged.

[0030]When traveling straight, the left hydraulic transmission mechanism 21 and the right hydraulic transmission mechanism 22 are locked, and the engine power is transmitted to the left driving device 4 and the right driving device 5 through the input shaft 1 and the mechanical transmission mechanism 3 respectively. Since the left hydraulic transmission mechanism 21 and the...

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Abstract

The invention provides a hydraulic mechanical double-flow transmission device for a slide moving steering type vehicle. The hydraulic mechanical double-flow transmission device comprises an input shaft, a hydraulic transmission mechanism, a mechanical transmission device, a left driving device and a right driving device, wherein the input shaft is respectively engaged with the hydraulic transmission mechanism and the mechanical transmission mechanism, and the hydraulic transmission mechanism and the mechanical transmission mechanism respectively and simultaneously drive the left driving device and the right driving device. The linear running of a vehicle is realized through driving the left driving device and the right driving device by the mechanical transmission mechanism, and the steering running of the vehicle is realized through the combination of the mechanical transmission mechanism and the hydraulic transmission mechanism. The hydraulic mechanical double-flow transmission device has the beneficial effects that 1, through the matching of mechanical transmission and hydraulic transmission, the straight running and the steering of the vehicle can be realized; 2, the steering performance is excellent, the small steering radius is realized at a low gear position, the large steering radius is realized at a high gear position, and the vehicle running requirement is met; 3, efficient transmission is realized during the linear running.

Description

technical field [0001] The invention relates to a transmission device, and in particular provides a hydromechanical double-flow transmission device for a skid steer vehicle that can assist steering. Background technique [0002] The speed of the left and right driving wheels is the same when the skid steer vehicle is driving straight. When turning, the speed of the left and right driving wheels is different to turn, and the vehicle turns to the side with the faster speed of the driving wheels. [0003] Straight driving and steering are two key issues in the operation of skid steer vehicles. High transmission efficiency is required when the vehicle is straight driving, and strong adaptability to left and right side loads is required when the vehicle turns. Considering the different characteristics of the vehicle straight driving and steering , When the vehicle is driving straight, mechanical transmission is used, which has high mechanical transmission efficiency, but poor ada...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H47/04
CPCF16H47/04F16H2700/02
Inventor 朱镇高翔潘道远夏长高商高高韩江义朱彧韩梅梅闫成
Owner JIANGSU UNIV
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