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Travelling transmission mechanism for track vehicle

A transmission mechanism and crawler-type technology, which is applied in transmission devices, vehicle components, fluid transmission devices, etc., can solve problems such as the influence of parts life, sliding wear, and difficulty in guaranteeing work reliability.

Inactive Publication Date: 2013-01-16
HUNAN NONGFU ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The hydraulic torque converter of the above-mentioned travel steering transmission mechanism transmits the torque to the input main shaft of the hydraulic gearbox through the turbine shaft. When the external load increases, the load on the input shaft assembly increases, and the hydraulic transmission connected to it increases. The clutch in the box will transmit shock and shock loads, and will generate slippage after engagement, which will affect the life of parts
At the same time, the high precision of the parts is difficult to process, the manufacturing cost is high, and its working reliability is difficult to guarantee. It has not been widely used in agricultural machinery.

Method used

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  • Travelling transmission mechanism for track vehicle

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Embodiment Construction

[0009] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0010] Refer to attached figure 1 A kind of traveling transmission mechanism that is used for crawler type vehicle shown, comprises engine 1, clutch 3, traveling steering control device 9 and traveling driving wheel 10; The power output shaft 2 of engine is connected with clutch 3 input shafts; Between clutch 3 and A hydrostatic transmission system (HST) is connected between the gear transmission groups 8; the output shaft 4 of the clutch is connected to the input shaft 6 of the hydrostatic transmission system (HST) after being reversed by the bevel gear pair 5; the hydrostatic transmission system The output shaft 7 is transmitted to the travel steering control device 9 through the gear transmission assembly 8, and the output shaft of the travel steering control device is directly connected to the travel driving wheel 10.

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Abstract

The invention relates to a travelling transmission mechanism for a track vehicle. The travelling transmission mechanism can be applied to agricultural machines for ploughing, harvesting, planting, sowing and the like. The travelling transmission mechanism comprises an engine (1), a clutch (3), a travelling steering control device (9) and a travelling driving wheel (10); and a static hydraulic transmission system (HST) is connected between the clutch (3) and the travelling steering control device (9). The travelling transmission mechanism is simple in transmission structure, convenient to maintain and capable of reducing the weight of a whole device and improving the mechanical operation performance and the travelling and passing performances of the agricultural machines.

Description

technical field [0001] The invention relates to a power transmission mechanism, in particular to a traveling transmission mechanism for crawler vehicles. The walking transmission mechanism can be applied to agricultural machinery such as harvesting, planting, plowing, and sowing. Background technique [0002] Usually, the traveling transmission mechanism of domestic crawler tractors is driven by a mechanical friction clutch plus a multi-stage gear transmission assembly. This kind of travel transmission mechanism has high requirements on the performance of the clutch, which requires the ability to reliably transmit the entire torque of the engine without slipping after engagement; the separation must be thorough and rapid; the engagement should be smooth to reduce the impact load during the start of the tractor; The moving part uses a multi-stage gear box to change gears. This structure is not suitable for operations with large changes in external loads and frequent forward ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K17/04B60K17/10F16H47/00
Inventor 黄太平廖增才邓学清首元锋张耀文李华庚
Owner HUNAN NONGFU ELECTROMECHANICAL
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