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The transmission structure of the additional gear of split crankshaft

A technology of additional gears and transmission structures, applied in crankshafts, transmission parts, belts/chains/gears, etc., can solve the problems of inability to observe assembly quality, oil seal lip flanging, hidden dangers of oil leakage, etc., to achieve convenient inspection and convenience. Installation situation, the effect of improving the quality of process control

Active Publication Date: 2018-03-16
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the additional gear of the crankshaft is made into an integral structure, the lip of the oil seal will be flanged during the installation process, and the assembly quality cannot be observed, resulting in hidden dangers of oil leakage

Method used

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  • The transmission structure of the additional gear of split crankshaft
  • The transmission structure of the additional gear of split crankshaft
  • The transmission structure of the additional gear of split crankshaft

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Embodiment Construction

[0016] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0017] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0018] Such as Figure 4 and Figure 5 As shown, the specific structure of the split crankshaft additional gear transmission structure according to the specific embodiment of the present invention includes: crankshaft flywheel end 21, flywheel housing gearbox 22, oil seal 23 and crankshaft additional gear. Wherein, the crankshaft additional gear is a split type, including a spacer 24 and a crank gear 25. During installati...

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PUM

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Abstract

The invention discloses a split-type crankshaft additional gear transmission structure. The transmission structure comprises a crankshaft flywheel end, a flywheel shell gear case, an oil seal and a crankshaft additional gear, wherein the oil seal is provided with a sealing lip which extends along the axial direction of a shaft hole; the oil seal is in press fit in a flywheel shell oil seal assembly hole of the flywheel shell gear box; the crankshaft additional gear is of a split structure, and comprises a cushion block and a crankshaft gear; the periphery of the cushion block serves as an oil seal assembly surface, and is used for forming a sealing surface with the oil seal; one side of the cushion block is a crankshaft flywheel end assembly surface, and the other side is a crankshaft gear assembly surface, and is provided with a step positioning seam allowance which is matched and assembled with the crankshaft gear; and the crankshaft gear is provided with a step head which is matched with the step positioning seam allowance. According to the split-type crankshaft additional gear transmission structure, a split-type crankshaft additional gear is adopted, so that the stressed direction of assembly of the oil seal is consistent with the direction of the lip, and therefore turning up of the oil seal during assembly can be prevented; and meanwhile, the assembly quality can be observed, and the process control quality is improved.

Description

technical field [0001] The invention relates to the field of engines, in particular to a transmission structure of a split crankshaft additional gear. Background technique [0002] Such as Figure 1 to Figure 3 As shown in the figure, for the power take-off model after the engine, an additional power output terminal is generally added to the flywheel housing. Specifically, the flywheel housing integrated gearbox constitutes the flywheel housing gearbox 11, and the crankshaft additional gear 12, idler gear 13 and hydraulic pump gear 14 are used as additional power output ports. Wherein crankshaft big end 15 (being flywheel end) stretches out shorter, can't enter in the oil chamber 17 of flywheel housing gear box. The original state is to borrow the existing crankshaft additional gear 12 (crankshaft gear), stretch out the outside of the gear box to connect the crankshaft by the oil seal 16, and seal its periphery by the oil seal. [0003] Such as figure 2 As shown, the sea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/023F16H57/029F16C3/06F02B61/06
CPCF02B61/06F16C3/06F16H57/023F16H57/029
Inventor 陈俊帆马森磨小重蔡文华唐历李树军陈小峰
Owner GUANGXI YUCHAI MASCH CO LTD
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