CN203477039U - 一种集成转速信号盘的曲轴 - Google Patents

一种集成转速信号盘的曲轴 Download PDF

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CN203477039U
CN203477039U CN201320507066.0U CN201320507066U CN203477039U CN 203477039 U CN203477039 U CN 203477039U CN 201320507066 U CN201320507066 U CN 201320507066U CN 203477039 U CN203477039 U CN 203477039U
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speed signal
crank shaft
rotary speed
signal panel
rotating speed
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CN201320507066.0U
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Inventor
李强
陈旗奇
全兴隆
姚君韦
刘�东
赵福成
王瑞平
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Zhejiang Geely Holding Group Co Ltd
Ningbo Shangzhongxia Automatic Transmission Co Ltd
Zhejiang Geely Power Train Co Ltd
Hunan Luoyou Engine Parts Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Ningbo Shangzhongxia Automatic Transmission Co Ltd
Zhejiang Geely Luoyou Engine Co Ltd
Jinan Geely Auto Parts Co Ltd
Hunan Luoyou Engine Parts Co Ltd
Hunan Jisheng International Power Transmission System Co Ltd
Shandong Jili Transmission Co Ltd
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Abstract

本实用新型公开了一种集成转速信号盘的曲轴,包括曲轴本体,所述曲轴本体的后端设有后端轴,所述后端轴上间隔设置有转速信号盘和法兰,所述转速信号盘的前端连接曲柄,所述转速信号盘与所述曲轴本体为一体成型的结构。本实用新型是解决了在曲轴上安装转速信号盘装配工艺要求高,分体式装配结构复杂的问题,旨在提供一种结构新颖,减少装配工序的集成转速信号盘的曲轴。可有效避免分体式装配工艺带来的累积尺寸公差问题,从而提高传感器采集曲轴转速信号的准确性。

Description

一种集成转速信号盘的曲轴
技术领域
    本实用新型涉及汽车发动机曲轴技术领域,尤其是涉及一种集成转速信号盘的曲轴。
背景技术
    曲轴是发动机的主要旋转机构,发动机在做功行程中,曲柄连杆机构将活塞的上下往复运动转变为曲轴的旋转运动。转速传感器与转速信号盘配合采集曲轴转速信号,然后传递到ECU,ECU依此发送指令控制发动机的工作状态。结构布置上,发动机转速信号盘通常与飞轮集成,这种结构设计在遇到更换发动机或变速器时,需要重新设置转速信号盘,费时费工,增加生产成本。工艺结构中也常常将冲压件的转速信号盘设置在曲轴平衡块上,这会导致提高装配工艺的要求,同时会降低曲轴的刚度和强度,对曲轴的整体机械性能带来影响。
    公告号为CN202926469U,公告日为2013年5月8日的专利文件中公开了一种集成式曲轴转速信号盘以及动力传递组,包括双向传动法兰和曲轴转速信号盘。曲轴转速信号盘上形成有转速信号齿。双向法兰的一端用于与发动机曲轴连接,另一端用于与待驱动装置连接,曲轴转速信号盘安装在双向传动法兰上。该结构增设双向传动法兰作为曲轴转速信号盘的支承体,虽然实现了对现有技术的安装方式的替代,但是伴随连接结构的变化,占用装配空间,加大了装配工艺的难度,增加了装配工序。
    公告号为CN202266339U,公告日为2012年6月6日的专利文件中公开了一种发动机曲轴信号盘皮带轮,包括带凸台的碗装轮毂、曲轴皮带轮和曲轴信号盘,曲轴皮带轮和曲轴信号盘结合为一体,轮毂上均布设有安装孔和工艺孔,曲轴信号盘上设有60个信号齿,其中有两个相邻的齿为圆弧。该结构采用曲轴信号盘与曲轴皮带轮结合的安装方式,制作成本高,增加了装配工序,装配产生的累积公差导致提高了尺寸精度的检测要求。
实用新型内容
    本实用新型的目的是解决了在曲轴上安装转速信号盘装配工艺要求高,分体式装配结构复杂的问题,旨在提供一种结构新颖,减少装配工序的集成转速信号盘的曲轴。
    本实用新型是通过以下技术方案使目的得以实现。
    一种集成转速信号盘的曲轴,包括曲轴本体,所述曲轴本体的后端设有后端轴,所述后端轴上间隔设置有转速信号盘和法兰,所述转速信号盘的前端连接曲柄,所述转速信号盘与所述曲轴本体为一体成型的结构。该结构新颖,将转速信号盘和曲轴本体由目前的分体式集成为一体,减少了装配工序,消除了分体式装配结构复杂、装配工艺要求高的问题。
作为优选,所述曲轴本体与所述转速信号盘为铸造结构或锻造结构。经过铸造或锻造的一体成型结构,在对齿数少,转速信号精度要求低的转速信号盘可以节省二次精加工的工艺要求,降低生产成本,提高生产效率。
作为优选,所述转速信号盘的外圆直径为100至500mm,信号齿的齿高为3至10mm,齿数为3至60个,齿宽为3至25mm。尺寸的范围限制,可以满足集成结构的工艺要求。
本实用新型的有益效果是:一体成型的集成结构新颖,减少装配工序,降低装配工艺要求,有效的提高生产效率。同时,避免了分体式装配工艺带来的累积尺寸公差问题,从而提高传感器采集曲轴转速信号的准确性。
附图说明
图1是本实用新型的结构示意图。
图中:1-曲轴本体,2-转速信号盘,3-法兰,4-后端轴,5-曲柄。
具体实施方式
    下面通过实施例并结合附图对本实用新型进行详细的说明。
实施例1
    如图1所示的本实用新型一种集成转速信号盘的曲轴,包括曲轴本体1,所述曲轴本体1的后端设有后端轴4,所述后端轴4上间隔设置有转速信号盘2和法兰3。所述转速信号盘2的外圆直径为150mm,信号齿的齿高为3mm,齿数为3个,齿宽为25mm。所述转速信号盘2的前端固接曲柄5。所述转速信号盘2与所述曲轴本体1为一体成型铸造结构,此种一体成型件也可以采用锻造结构。

Claims (3)

1.一种集成转速信号盘的曲轴,包括曲轴本体(1),其特征是:所述曲轴本体(1)的后端设有后端轴(4),所述后端轴(4)上间隔设置有转速信号盘(2)和法兰(3),所述转速信号盘(2)的前端连接曲柄(5),所述转速信号盘(2)与所述曲轴本体(1)为一体成型的结构。
2.根据权利要求1所述的集成转速信号盘的曲轴,其特征是:所述曲轴本体(1)与所述转速信号盘(2)为铸造结构或锻造结构。
3.根据权利要求1所述的集成转速信号盘的曲轴,其特征是:所述转速信号盘(2)的外圆直径为100至500mm,信号齿的齿高为3至10mm,齿数为3至60个,齿宽为3至25mm。
CN201320507066.0U 2013-08-20 2013-08-20 一种集成转速信号盘的曲轴 Expired - Fee Related CN203477039U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648075A (zh) * 2020-12-23 2021-04-13 重庆隆鑫通航发动机制造有限公司 集成式转速齿盘及发动机
CN114198384A (zh) * 2021-12-17 2022-03-18 安徽航瑞航空动力装备有限公司 航空发动机曲轴总成及航空发动机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648075A (zh) * 2020-12-23 2021-04-13 重庆隆鑫通航发动机制造有限公司 集成式转速齿盘及发动机
CN114198384A (zh) * 2021-12-17 2022-03-18 安徽航瑞航空动力装备有限公司 航空发动机曲轴总成及航空发动机

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Address after: 315800 Zhejiang city of Ningbo province Beilun xinqie street Mt. Hengshan Road No. 1528

Patentee after: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd.

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Patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd.

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Patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd.

Co-patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd.

Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd.

Address before: 315800 Zhejiang city of Ningbo province Beilun xinqie street Mt. Hengshan Road No. 1528

Co-patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd.

Patentee before: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd.

Co-patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd.

Co-patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd.

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