Vertically arranged transmission device of minitype wheeled tractor

A technology for a wheeled tractor and a transmission device, applied in the field of tractors, can solve the problems of high manufacturing cost, high selling price, and increased sales of direct transmission, and achieve the effects of saving transmission pairs and related parts, improving transmission efficiency, and reducing transmission links.

Inactive Publication Date: 2008-01-23
FIRST TRACTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the manufacturing cost of direct drive is high, which causes the price of direct drive tractors with the same power to be much higher than that of belt drive tractors, which seriously restricts the expansion of its sales.

Method used

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  • Vertically arranged transmission device of minitype wheeled tractor
  • Vertically arranged transmission device of minitype wheeled tractor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The small wheeled tractor longitudinal transmission shown in Figure 1, Figure 2, and Figure 3 includes III-IV gear driving gear 1, IV gear driven gear 2, III gear driven gear 3, and I-II gear driving gear 4. II gear driven gear 5, I gear driven gear 6, primary reduction driving gear 8, primary reduction driven gear shaft 7, secondary reduction driving gear 9, secondary reduction driven gear 10, middle reverse gear Gear 11, reverse driven gear 12, small bevel gear shaft 13, large bevel gear 14, final drive driving gear shaft 15, differential 16, final drive driven gear 17, power output transition gear 18, power output intermediate gear 19 , power output driving gear 20, power output driven gear 21, first shaft 22, driven shaft 23, reverse gear shaft 24, power output driving shaft 25, power output idler shaft 26, power output shaft 27, gearbox housing 28 and other main parts, wherein the large bevel gear 14 is combined with the final drive driving gear shaft 15 as a whole...

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PUM

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Abstract

The invention discloses a longitudinally arranged drive for a small wheel type tractor, which employs a step mechanical drive arranged longitudinally. A built-in externally-engaged gear drives finally; and 8 forward and 4 reverse steps, 540 r / min, 720 r / min and 1000 r / min output speeds are available. The front and the rear connection size of the drive are designed as for a crossly-arranged gear box of a small 4-wheel tractor, the reducer and the half axle assembly of the small 4-wheel tractor can be installed. The invention fundamentally solves the problem of poor reliability with a small 4-wheel tractor when the power is up to 20 hp, and is of high market competitiveness.

Description

(1) Technical field [0001] The invention belongs to the field of tractors and relates to a longitudinal transmission device of a small wheeled tractor. (2) Background technology [0002] At present, domestic low-power (below 18.4kW) wheeled tractors can be divided into belt drive and direct drive according to the structure of the transmission device. The outstanding feature of the belt-driven small four-wheel tractor is that it adopts a horizontal single-cylinder diesel engine and a horizontal gearbox. The power is transmitted between the diesel engine and the gearbox through a belt, and at the same time the rear axle is directly inserted into the horizontal gearbox. There is only one speed, and it is very difficult to change the output speed. The transmission gears in this transmission mode gearbox are arranged horizontally, and the structure is simple, but the transmission efficiency is low, and it is inconvenient to use force from left to right when shifting gears. At t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/22F16H48/00
Inventor 贾鸿社赵考田王东青陈益康刘保军李继光刘开东曹六建徐培
Owner FIRST TRACTOR
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