Tractor triangular track rear wheel drive

Abstract

The invention relates to a triangular-caterpillar-band rear wheel drive device of a tractor. A front wheel shaft on a front guide wheel is in sealing connection with a front supporting base; a spring support with a spring is connected to a rear supporting base; the spring support can move front and back relative to the rear supporting base; a spring regulating part which is connected to the spring support or the rear supporting base is pressed on the spring, and pre-opening force of the spring can be regulated; a rear wheel shaft on a rear guide wheel is in sealing connection with the spring support; a thrust wheel shaft of each thrust wheel is in sealing connection with a corresponding wheel seat; the lower part of a beam is further provided with a guide rail for guiding a travelling caterpillar band; one side of a rocker shaft which is sealed on an outer sleeve and can rotate extends out of the outer sleeve and is connected with a diagonal bracing beam; a fixed base which is finally connected with a transmission housing is arranged on the outer sleeve; the travelling caterpillar band is mounted on a drive chain wheel, a front guide wheel, a rear guide wheel and thrust wheels; and a plurality of axial mounting holes for allowing drive bolts to pass through are formed in the drive chain wheel. The triangular-caterpillar-band rear wheel drive device is reasonable in structure, good in sealing property, and convenient to integrally dismount, so that a user can quickly exchange rear tires by himself or herself.

Description

technical field [0001] The invention relates to a triangular crawler rear wheel driving device of a tractor, which belongs to the technical field of tractor rear wheel driving. Background technique [0002] The tires of traditional wheeled tractors do not have the larger contact area, friction, traction performance and lower unit pressure of contacting the ground of crawler tractors, so they are not suitable for applications such as paddy fields, wetlands and snow fields, but wheeled tractors are also It has a wider market and is widely used than crawler tractors. Therefore, the emergence of triangular crawler tractors can take into account the characteristics of wheeled tractors and have the characteristics of crawler tractors. However, the triangular crawler rear wheel drive device adopts the driving sprocket connected to the driving crawler and the front and rear guide wheels connected to the rear driving wheel bracket. The supporting rollers are also installed on the re...

AI Technical Summary

Problems solved by technology

But the existing triangular crawler rear wheel driving device is that the drive sprocket is installed on the drive shaft, but the end of the drive shaft is connected with a shaft sleeve through a bearing, and the shaft sleeve is connected to the rear drive wheel through the supporting inclined beam and the transition link. Bracket, and the adjustment of the rear guide wheel is not convenient

The existing triangular crawler rear wheel drive devices have complex structures and are inconvenient to disassemble, so special tools are required for assembly and disassembly, so users cannot easily disassemble and replace wheeled tractors, resulting in triangular crawler rear wheel drive devices and rear tires. Quick interchange, so that wheeled tractors and crawler tractors cannot appear on one tractor at the same time

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