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Stepless transmission box of caterpillar tractor

A continuously variable transmission, tractor technology, applied in the direction of transmission box, mechanical equipment, components with teeth, etc., to reduce the load, reduce the failure rate and reduce the maintenance cost.

Active Publication Date: 2015-02-11
YUNZHOU GEARBOX ZHEJIANG PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The improvement of the continuously variable gearbox of the crawler tractor has not been reported at home and abroad at present.

Method used

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  • Stepless transmission box of caterpillar tractor
  • Stepless transmission box of caterpillar tractor
  • Stepless transmission box of caterpillar tractor

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Experimental program
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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] Such as figure 1 As shown, the present invention is a crawler tractor CVT that adopts a direct connection mode with the power machine, and the power output power is transmitted to Z1' / Z5' or (Z2'→Z6')→Z7' through the clutch and the hollow shaft 5 / Z3'→Z4' / Z8'→PTO shaft 10, which provides two speeds for the PTO shaft; see Table 1 for the PTO transmission route table of the present invention. The transmission force of the travel drive is transmitted to Z5 / Z6 by the solid shaft→hydrostatic continuously variable transmission (HST)6→Z4 / Z3→, I gear Z7 / Z9 (II gear Z2 / Z1 or III gear Z8 / Z10) →Z10 / Z11→Z12 / Z14→Z13 / Z15→Z16 / Z17→drive shaft; see Table 2 for the travel transmission route table of the present invention.

[0017] Table 1: power output transmission route table of the present invention

[0018]

[0019] Table 2: Walking transmission transmission line tabl...

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Abstract

The invention aims to provide a stepless transmission box of a caterpillar tractor. The stepless transmission box is simple and practical in structure, low in using cost and convenient to assemble and repair. Due to adoption of a structure of a power take-off connecting plate and a hydrostatic stepless transmission (HST), a walking transmission force is transferred by a solid shaft and does not pass through a clutch; power output passes through the clutch and is transferred by a hollow shaft; a walking transmission route and the power output are independent of each other and do not affect each other, so that various working requirements of the caterpillar tractor are met to the maximum extent; a walking transmission part adopts a structure of an intermediate shaft and an intermediate transmission gear, so that wide application of parts of a special transmission box of an existing self-propelled combine harvester becomes possible; after improvement, the manufacturing cost and the failure rate of the transmission box are greatly reduced and the maintenance cost is reduced.

Description

technical field [0001] The invention belongs to agricultural machinery, in particular to a crawler tractor stepless gearbox. Background technique [0002] Due to the destruction of the bottom of the plow by wheeled tractors when working in paddy fields, ecological agricultural crawler tractors came into being and have a history of more than 5 years. At present, there are no suitable products for crawler tractor CVGs in my country, and most of them are remanufactured from special gearboxes for self-propelled combine harvesters. The load is heavy, and it is unreliable to use on the crawler tractor continuously variable gearbox, and there are many faults. The improvement of the continuously variable transmission of the crawler tractor has not been reported at home and abroad at present. Contents of the invention [0003] The purpose of the present invention is to provide a crawler tractor stepless gearbox with simpler structure, lower manufacturing and use costs, and more co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/02F16H3/093F16H47/02
CPCF16H3/093F16H47/02F16H57/02F16H57/023F16H2057/02056
Inventor 徐克旺
Owner YUNZHOU GEARBOX ZHEJIANG PROV