Transmission arrangement for commercial vehicle

A technology for transmissions and commercial vehicles, which is applied in the direction of vehicle gearboxes, transmissions, gear transmissions, etc., can solve problems such as discomfort, and achieve the effect of reducing cost and structure consumption and reducing quantity

Pending Publication Date: 2019-01-29
ZF FRIEDRICHSHAFEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, compared to the switching of power shift gears, the switching of synchronous gears that cannot be powered shifted is always more uncomfortable.

Method used

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  • Transmission arrangement for commercial vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] The transmission arrangement shown is used in a commercial vehicle, in particular an agricultural commercial vehicle, such as, for example, a tractor or the like.

[0019] The transmission device has a power-shiftable selector group 3 .

[0020] A power shift group 1 is arranged downstream of the power shiftable shift group 3 , and a synchronizer component 2 is also arranged downstream of this power shift group.

[0021] The drive shaft 4 of the power-shiftable selector group 3 is rotatably driven by the vehicle engine 5 . Here, the input 12 and the output shaft 13 of the selector group 3 are parallel to each other, so that the selector group 3 is not directly driven through.

[0022] The output 13 of the reversing gear group 3 drives the power shift group 1 embodied as a 9-stage power shift group 1 , through which the nine power shiftable forward gears are realized.

[0023] The output 6 of the power shift group 1 drives the synchromesh part 2 with three synchronous ...

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PUM

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Abstract

The invention relates to a transmission arrangement for a commercial vehicle, which is rotatably driven via a drive shaft (4) of a vehicle engine (5) and designed as a multi-splitter load switching group (1), one of the power shift group (1) downstream synchronous gear part (2 and a power shift group (3) to reverse the direction of rotation and an output shaft (10) from which a first final drive (11) is drivable. The load switching group (1) is the power switchable turning group (3) upstream, the direction reversal is load flow interruption free. The load shift group (1) consists of at least six forward gears rotating in one direction of rotation. The synchronous gear part (2) has a plurality of synchronous lengths (7, 8, 9), one of which is a directly driven synchronous gear (7).

Description

technical field [0001] The invention relates to a transmission device for a commercial vehicle, which can be rotatably driven by the vehicle engine via a drive shaft and has a power shift group configured as a multiple half gear, arranged in the power The synchromesh components downstream of the shift group and the power-shiftable shift group for reversal of the direction of rotation as well as the output shaft from which the first axle drive can be driven. Background technique [0002] In known powershift transmissions, a quadruple half gear is combined with five to six synchronized gears or a sextuple half gear is combined with four to five synchronized gears. The more the transmission arrangement has non-power-shiftable synchronized gears, the more frequently the power flow of the commercial vehicle, preferably an agricultural commercial vehicle, is interrupted during acceleration. When working in the field, the agricultural commercial vehicle is thus braked during the s...

Claims

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Application Information

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IPC IPC(8): F16H37/04
CPCF16H37/042F16H2200/0078F16H2200/0082F16H2003/0818F16H2037/049F16H2037/045F16H37/043
Inventor 安东·阿尔特哈默托马斯·保利斯特凡·伊格尔托马斯·奥伯布赫纳
Owner ZF FRIEDRICHSHAFEN AG
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