Method for controlling a gear shifting process of a working machine
By identifying shifting conditions and detecting power parameters, the shift point settings are optimized, solving the problem of low efficiency in the shifting process of operating machinery, achieving an efficient and comfortable shifting process, and improving the overall operating performance of operating machinery.
CN122447482APending Publication Date: 2026-07-24CHAFA FRIEDRICH SCHAFFEN CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHAFA FRIEDRICH SCHAFFEN CO LTD
- Filing Date
- 2026-01-14
- Publication Date
- 2026-07-24
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Figure CN122447482A_ABST
Abstract
The invention relates to a method for controlling a gear shift process of a work machine. The work machine (2) has a work system and a traction unit. The work system has an energy storage device (11) and a gear shift transmission (15). The traction unit has a traction motor (21). The gear shift transmission (15) provides at least two gear steps (16, 17) which have an overlap range with respect to a travel speed of the work machine (2). The traction motor (21) can be driven via energy from the work system to move the work machine (2). The method comprises: identifying (I) a gear shift situation; detecting (II) a traction power parameter of the traction unit (21); detecting (III) a system power parameter of the work system; implementing (IV) a gear shift process from one of the two gear steps (16, 17) to the other of the two gear steps (16, 17) taking into account the system power parameter, the traction power parameter and the overlap range.
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