CN114483803A - 一种带垫片车轮轴承结构 - Google Patents

一种带垫片车轮轴承结构 Download PDF

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CN114483803A
CN114483803A CN202210158174.5A CN202210158174A CN114483803A CN 114483803 A CN114483803 A CN 114483803A CN 202210158174 A CN202210158174 A CN 202210158174A CN 114483803 A CN114483803 A CN 114483803A
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gasket
flange plate
spin
wheel bearing
riveting
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郭权
陈伟军
汪峰
刘金贵
李凯
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Wanxiang Group Corp
Zhejiang Wanxiang Precision Industry Co Ltd
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Wanxiang Group Corp
Zhejiang Wanxiang Precision Industry Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/18—Arrangement of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/02—Mechanical properties
    • F16C2202/04—Hardness
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    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/30—Fluoropolymers
    • F16C2208/32—Polytetrafluorethylene [PTFE]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/02—Mechanical treatment, e.g. finishing
    • F16C2223/08—Mechanical treatment, e.g. finishing shot-peening, blasting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/52—Positive connections with plastic deformation, e.g. caulking or staking
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    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/60—Thickness, e.g. thickness of coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本发明公开了一种带垫片车轮轴承结构，涉及汽车零部件领域，包括法兰盘等，法兰盘上卡槽式安装有内圈，外圈套装在法兰盘上，内圈与外圈之间设置内侧滚道，法兰盘的轴颈根部与外圈之间设置外侧滚道，内、外侧滚道组成双列滚道；法兰盘上靠近内圈的一侧设有旋铆外径，旋铆外径上通过旋铆工艺铆接有垫片；垫片的中心开设轴孔供驱动轮花键半轴穿入，沿垫片的外边缘设置有翻边；翻边上沿圆周均布有至少三个凸点，凸点与旋铆外径上的凹陷区域配合形成锁扣式结构。本发明能够解决车轮轴承上与等速半轴贴合面部位硬度不足导致车辆性能下降的技术难题；同时解决车轮轴承上与等速半轴贴合面部位耐磨不足导致车辆异响的技术难题。

Description

一种带垫片车轮轴承结构
技术领域
本发明涉及汽车零部件的领域，具体涉及一种带垫片车轮轴承结构。
背景技术
现有技术在车轮轴承制造过程中为了保持产品良好的可靠性，普遍对法兰采用旋铆工艺。然而旋铆工艺的实施要求旋铆部位硬度一般不高于280HB。因此在现有技术中车轮法兰旋铆部位与等速驱动轮花键半轴接触常常存在以下问题：
1法兰旋铆部位硬度不足，使用一段时间后，材料表面塑性变形，磨损严重，导致车轮等速驱动轮中心螺母预紧衰减，车辆性能下降；
2车辆启动时，法兰与半轴间产生相对蠕动磨损，导致车辆启动或转弯异响发生，带来客户抱怨。
发明内容
本发明的目的在于克服现有技术存在的不足，而提供一种带垫片车轮轴承结构，能够解决车轮轴承上与等速半轴贴合面部位硬度不足导致车辆性能下降的技术难题；同时解决车轮轴承上与等速半轴贴合面部位耐磨不足导致车辆异响的技术难题。
本发明的目的是通过如下技术方案来完成的：这种带垫片车轮轴承结构，包括法兰盘、外圈、内圈、垫片和驱动轮花键半轴，所述法兰盘上卡槽式安装有内圈，所述外圈套装在法兰盘上，内圈与外圈之间设置内侧滚道，法兰盘的轴颈根部与外圈之间设置外侧滚道，内侧滚道与外侧滚道组成双列滚道用于安装轴承滚动体，轴承滚动体通过保持架保持；法兰盘的中心与驱动轮花键半轴通过花键连接，法兰盘上靠近内圈的一侧设有旋铆外径，旋铆外径上通过旋铆工艺铆接有垫片；所述垫片的中心开设轴孔供驱动轮花键半轴穿入，沿垫片的外边缘设置有翻边，翻边包覆在旋铆外径外周；所述翻边上沿圆周均布有至少三个凸点，凸点与旋铆外径上的凹陷区域配合形成锁扣式结构。
作为进一步的技术方案，每一凸点的两侧均开设有缺口。
作为进一步的技术方案，所述缺口的宽度大于等于1mm。
作为进一步的技术方案，所述缺口的深度小于等于垫片总高度的80％。
作为进一步的技术方案，所述垫片表面经过喷砂处理形成喷砂层。
作为进一步的技术方案，所述垫片的喷砂层外涂覆聚四氟乙烯，形成聚四氟乙烯涂层，所述聚四氟乙烯涂层的膜厚大于等于10μm。
作为进一步的技术方案，所述垫片的硬度大于等于HRC45。
作为进一步的技术方案，所述外圈靠近垫片的一侧与所述内圈之间设置内密封圈。
作为进一步的技术方案，所述外圈远离垫片的一侧与所述法兰盘之间设置外密封圈。
本发明的有益效果为：
1、在轴承结构中新增垫片，垫片做为独立子部件，可进行热处理硬化，硬度高于旋铆部位，解决了车轮轴承上与等速半轴贴合面部位硬度不足导致车辆性能下降的技术难题。
2、可对垫片表面进行PTFE涂覆处理提升耐磨性，解决了车轮轴承上与等速半轴贴合面部位耐磨不足导致车辆异响的技术难题；
3、垫片采用锁扣结构使其巧妙稳定的固定于旋铆部位，保持结构的稳定性；
4、垫片锁扣附近增设缺口，解决旋铆外径尺寸不稳定带来压装困难问题，使其应用工艺难度降低(当不增设缺口，垫片凸点将于旋铆外径过盈配合，过小过盈降低使用安全，过大过盈存在压装铁削残余问题，增加缺口设计，使得垫片凸点内径对旋铆外径公差要求降低，旋铆制造工艺难度下降，合格率提升)。
附图说明
图1为本发明的结构示意图。
图2为本发明与驱动轮花键半轴装配后的结构示意图。
图3为图2中A区域的局部放大示意图。
图4为垫片的立体结构示意图。
附图标记说明：车轮螺栓1、法兰盘2、旋铆外径2-1、凹陷区域2-2、外密封圈3、轴承滚动体4、外圈5、保持架6、内密封圈7、内圈8、垫片9、轴孔9-1、翻边9-2、凸点9-3、缺口9-4、驱动轮花键半轴10。
具体实施方式
下面将结合附图对本发明做详细的介绍：
实施例：如附图1～4所示，这种带垫片车轮轴承结构，包括法兰盘2、外圈5、内圈8、垫片9和驱动轮花键半轴10，所述法兰盘2上卡槽式安装有内圈8，所述外圈5套装在法兰盘2上，内圈8与外圈5之间设置内侧滚道，法兰盘2的轴颈根部与外圈5之间设置外侧滚道，内侧滚道与外侧滚道组成双列滚道用于安装轴承滚动体4，轴承滚动体4通过保持架6保持。所述外圈5靠近垫片9的一侧与所述内圈8之间设置内密封圈7；外圈5远离垫片9的一侧与所述法兰盘2之间设置外密封圈3。如图2所示，法兰盘2的中心与驱动轮花键半轴10通过花键连接，法兰盘2上靠近内圈8的一侧设有旋铆外径2-1，旋铆外径2-1上通过旋铆工艺铆接有垫片9。法兰盘2远离垫片9的一侧通过车轮螺栓1固定在车轮上。
如图3、4所示，所述垫片9的中心开设轴孔9-1供驱动轮花键半轴10穿入，沿垫片9的外边缘设置有翻边9-2，翻边9-2包覆在旋铆外径2-1外周；所述翻边9-2上沿圆周均布有三个凸点9-3(本实施例中为三个，也可以是更多)，凸点9-3与旋铆外径2-1上的凹陷区域2-2配合形成锁扣式结构。
每一凸点9-3的两侧均开设有缺口9-4，缺口9-4的宽度大于等于1mm。缺口9-4的设置能够解决旋铆外径2-1尺寸不稳定带来的压装困难问题，使其应用工艺难度降低(若不增设缺口9-4，垫片凸点9-3将与旋铆外径2-1过盈配合，过小过盈降低使用安全，而过大过盈存在压装铁削残余问题，增加缺口设计，使得垫片凸点内径对旋铆外径公差要求降低，旋铆制造工艺难度下降，合格率提升)。
优选地，所述缺口9-4的深度小于等于垫片9总高度的80％，以解决热处理变形问题。所述垫片9的硬度大于等于HRC45，硬度高于旋铆部位，解决了车轮轴承上与等速半轴贴合面部位硬度不足导致车辆性能下降的技术难题。垫片9表面先经过喷砂处理形成喷砂层，然后在垫片9的喷砂层外涂覆聚四氟乙烯(PTFE)，形成聚四氟乙烯涂层，所述聚四氟乙烯涂层的膜厚大于等于10μm。PTFE涂覆处理提升耐磨性，解决了车轮轴承上与等速半轴贴合面部位耐磨不足导致车辆异响的技术难题。
本发明在驱动轮花键半轴10与车轮轴承法兰盘2的接触位置增设了垫片9，垫片表面经热处理硬化，硬度高于旋铆部位。解决了车轮轴承上与等速半轴贴合面部位硬度不足导致车辆性能下降的技术难题，解决了车轮轴承上与等速半轴贴合面部位耐磨不足导致车辆异响的技术难题。此外，垫片9的缺口设计，使得旋铆工艺复杂性降低，装配方便，产品合格率提升。
可以理解的是，对本领域技术人员来说，对本发明的技术方案及发明构思加以等同替换或改变都应属于本发明所附的权利要求的保护范围。

Claims (9)

1.一种带垫片车轮轴承结构，其特征在于：包括法兰盘(2)、外圈(5)、内圈(8)、垫片(9)和驱动轮花键半轴(10)，所述法兰盘(2)上卡槽式安装有内圈(8)，所述外圈(5)套装在法兰盘(2)上，内圈(8)与外圈(5)之间设置内侧滚道，法兰盘(2)的轴颈根部与外圈(5)之间设置外侧滚道，内侧滚道与外侧滚道组成双列滚道用于安装轴承滚动体(4)，轴承滚动体(4)通过保持架(6)保持；法兰盘(2)的中心与驱动轮花键半轴(10)通过花键连接，法兰盘(2)上靠近内圈(8)的一侧设有旋铆外径(2-1)，旋铆外径(2-1)上通过旋铆工艺铆接有垫片(9)；所述垫片(9)的中心开设轴孔(9-1)供驱动轮花键半轴(10)穿入，沿垫片(9)的外边缘设置有翻边(9-2)，翻边(9-2)包覆在旋铆外径(2-1)外周；所述翻边(9-2)上沿圆周均布有至少三个凸点(9-3)，凸点(9-3)与旋铆外径(2-1)上的凹陷区域(2-2)配合形成锁扣式结构。
2.根据权利要求1所述的带垫片车轮轴承结构，其特征在于：每一凸点(9-3)的两侧均开设有缺口(9-4)。
3.根据权利要求2所述的带垫片车轮轴承结构，其特征在于：所述缺口(9-4)的宽度大于等于1mm。
4.根据权利要求2所述的带垫片车轮轴承结构，其特征在于：所述缺口(9-4)的深度小于等于垫片(9)总高度的80％。
5.根据权利要求1～4中任一项所述的带垫片车轮轴承结构，其特征在于：所述垫片(9)表面经过喷砂处理形成喷砂层。
6.根据权利要求5所述的带垫片车轮轴承结构，其特征在于：所述垫片(9)的喷砂层外涂覆聚四氟乙烯，形成聚四氟乙烯涂层，所述聚四氟乙烯涂层的膜厚大于等于10μm。
7.根据权利要求6所述的带垫片车轮轴承结构，其特征在于：所述垫片(9)的硬度大于等于HRC45。
8.根据权利要求1所述的带垫片车轮轴承结构，其特征在于：所述外圈(5)靠近垫片(9)的一侧与所述内圈(8)之间设置内密封圈(7)。
9.根据权利要求1或8所述的带垫片车轮轴承结构，其特征在于：所述外圈(5)远离垫片(9)的一侧与所述法兰盘(2)之间设置外密封圈(3)。
CN202210158174.5A 2022-02-21 2022-02-21 一种带垫片车轮轴承结构 Pending CN114483803A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115126790A (zh) * 2022-08-31 2022-09-30 万向钱潮股份公司 轴承组件及万向节轴承装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115126790A (zh) * 2022-08-31 2022-09-30 万向钱潮股份公司 轴承组件及万向节轴承装置
CN115126790B (zh) * 2022-08-31 2022-11-18 万向钱潮股份公司 轴承组件及万向节轴承装置

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