Low-cost inter-wheel differential structure

An inter-wheel differential, a low-cost technology, applied in the direction of differential transmission, belt/chain/gear, mechanical equipment, etc., can solve the problem of uncoordinated ratio of driven bevel gear long diameter direction, low material utilization rate, gear Problems such as poor rigidity

Pending Publication Date: 2021-08-03
DONGFENG DANA AXLE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this kind of gear structure is relatively thick and heavy, and the material utilization rate is low. The driven bevel gear is usually made of alloy steel 20CrMnTiH, and the cost is high; and the extension of the long diameter of the

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  • Low-cost inter-wheel differential structure
  • Low-cost inter-wheel differential structure
  • Low-cost inter-wheel differential structure

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Embodiment Construction

[0033] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0034] Such as Figure 4 Shown is the composition structure of the conventional inter-wheel differential mentioned in the background art. It includes driven bevel gear 1, left differential case 3, driven bevel gear connecting bolt 4, right differential case 6, left and right differential case connecting bolt 5, side gear, planetary gear 8, cross shaft 7. The left differential case 3 and the right differential case 6 are connected with the connecting bolts 5 of the left and right differential cases through radial spigot fit, forming the overall installation framework of the differential. The driven bevel gear 1 is matched with the right differential case 6 through a radial spigot, and the installation end face of th...

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Abstract

The invention relates to a low-cost inter-wheel differential structure which comprises a left differential shell, a driven bevel gear and a right differential shell. The left differential shell, the driven bevel gear and the right differential shell are coaxially arranged, the end face of the left differential shell is fixedly connected with the end face of the right differential shell, the driven bevel gear is arranged on the periphery of the right differential shell in a sleeving mode and fixedly connected with the end of the left differential shell, an annular transition disc is coaxially arranged between the driven bevel gear and the left differential shell, the periphery of the right differential shell is sleeved with the transition disc, the transition disc is matched with the right differential shell through a radial spigot, and the driven bevel gear, the transition disc and the left differential shell are fixedly connected; and the end, facing the right differential shell, of the transition disc is provided with an outwards-extending spigot, and the outwards-extending spigot is tightly embedded between the driven bevel gear and the right differential shell. By additionally arranging the transition disc, the long-diameter size of the driven bevel gear can be shortened, and the proportion in the long-diameter direction is relatively harmonious. The outwards-extending spigot of the transition disc provides rigid support for the driven bevel gear, and the problem that the rigidity of the driven bevel gear is poor is solved.

Description

technical field [0001] The invention relates to the technical field of heavy-duty vehicle driving devices, in particular to a low-cost inter-wheel differential structure. Background technique [0002] The inter-wheel differential is widely used in drive axles of medium and heavy vehicles. Currently commonly used inter-wheel differentials include driven bevel gears, left differential housings, driven bevel gear connecting bolts, right differential housings, left and right differential housing connecting bolts, half shaft gears, planetary gears, and cross shafts, such as figure 2 shown. [0003] In the inter-wheel differential, the left and right differential shells are connected by radial seams and connecting bolts to form the overall installation framework of the differential; the driven bevel gear and the right shell are fitted by radial seams, and the installation end surface is connected to the left differential. The end surface of the shell is fitted and connected with...

Claims

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Application Information

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IPC IPC(8): F16H48/08F16H48/38F16H48/40
CPCF16H48/08F16H48/38F16H48/40
Inventor 李鹏飞胡东阳赵喜一王明明
Owner DONGFENG DANA AXLE
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