Power transmission system and grader

A power transmission system and driven gear technology, which is applied in transmission boxes, transmission devices, fluid transmission devices, etc., can solve the problems of interruption, friction plate easy to burn power, etc., and achieve no power interruption, good speed regulation stability, The effect of increasing the speed range
CN103758976AInactive Publication Date: 2014-04-30HUNAN SANY ROAD MACHINERY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN SANY ROAD MACHINERY
Publication Date
2014-04-30
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a power transmission system comprising a reduction box and at least two hydraulic motors. The reduction box comprises at least two input shafts, and an output shaft of each hydraulic motor is connected with each input shaft of the reduction box. The invention further provides a grader comprising the power transmission system. By selection of number of the working hydraulic motors and / or regulation of displacement of the hydraulic motors and / or hydraulic pumps, output speed of the transmission system is changed, and the power transmission system has the advantages of good speed regulation stability, enlargement of speed regulation range and the like.
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Description

technical field

[0001] The invention relates to the field of engineering machinery, in particular to a power transmission system and a motor grader including the power transmission system. Background technique

[0002] At present, the existing motor grader walking power transmission system includes three schemes: (1) prime mover, hydraulic torque converter, gearbox, drive shaft, drive axle, balance box, wheels, (2) prime mover, gearbox, Drive shaft, drive axle, balance box, wheels, (3) For example, CN200420068592 patent discloses a "motor grader driving device", the power transmission route of the patent is: prime mover-hydraulic pump-hydraulic motor-gearbox-drive axle .

[0003] Gearboxes are used in the above-mentioned three transmission systems, and the clutch friction plates in the gearboxes are easy to burn out because the gearshift device of the gearbox has high requirements on machinery, hydraulic pressure and control technology. In addition, there will be a certain...

Claims

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