CN108253020A - 具有间隔子的挠性轴承 - Google Patents

具有间隔子的挠性轴承 Download PDF

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CN108253020A
CN108253020A CN201611234883.8A CN201611234883A CN108253020A CN 108253020 A CN108253020 A CN 108253020A CN 201611234883 A CN201611234883 A CN 201611234883A CN 108253020 A CN108253020 A CN 108253020A
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introns
rolling
flexible bearing
outer shroud
concave surface
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CN108253020B (zh
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王政隆
郑旭珉
吴秉修
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Hiwin Technologies Corp
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Hiwin Technologies Corp
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Priority to JP2017004030A priority patent/JP6326514B1/ja
Priority to KR1020170008111A priority patent/KR101895149B1/ko
Priority to DE102017101409.8A priority patent/DE102017101409B4/de
Priority to US15/424,884 priority patent/US9897144B1/en
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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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • 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
    • F16C33/32—Balls
    • 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
    • F16C33/37—Loose spacing bodies
    • F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
    • 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
    • F16C33/38—Ball cages
    • F16C33/3818—Ball cages formed of unconnected segments
    • 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
    • F16C33/38—Ball cages
    • F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
    • 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
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/418—Details of individual pockets, e.g. shape or ball retaining means
    • 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
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • 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
    • F16H—GEARING
    • F16H49/00—Other gearings
    • F16H49/001—Wave gearings, e.g. harmonic drive transmissions
    • 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
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
    • 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
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/65—Gear shifting, change speed gear, gear box
    • 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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • 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

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

Abstract

本发明公开了一种具有间隔子的挠性轴承，包含：一个外环，具有一个滚动沟；一个内环，设于该外环内，并设有一个相对该滚动沟的滚动槽，该滚动沟与该滚动槽构成一个负荷路径；多个滚动件，容设于该负荷路径；多个间隔子，具有一个供该滚动件设置的保持部，每两个间隔子之间具有一个端面相互接触，所述间隔子相互接触的端面分别为一个凹面及一个凸面；借由一个间隔子的凹面与另一个间隔子的凸面之间的滑移，于挠性轴承运行时，间隔子之间能互相调整运转角度，以避免间隔子与外环或内环产生干涉。

Description

具有间隔子的挠性轴承
技术领域
本发明涉及传动元件技术领域，尤指一种应用于减速机的具有间隔子的挠性轴承。
背景技术
请参阅图1所示为常见应用于谐和式减速机Harmonic Drive的具保持器的挠性轴承，借由该挠性轴承能带动谐和式减速机进行减速输出的效果，该挠性轴承主要由一内环1、一外环2、一环状的保持器3及多个滚动件4构成，该保持器3设有多个容置该滚动件4的容置部，以间隔开各滚动件4，避免滚动件之间产生碰撞而提高运行噪音，但因为该挠性轴承于运转时会产生椭圆状的变形，故当变形时该轴承的外环2就会与该保持器3产生干涉X，而造成运行时不顺畅的问题产生，严重时产生保持器3的磨耗，因此该挠性轴承的设计仍有改良精进的必要。
发明内容
本发明的主要目的在于提供一种于挠性轴承运行时，间隔子之间能互相调整运转角度，避免间隔子与外环或内环产生干涉的具有间隔子的挠性轴承。
基于此，本发明主要采用下列技术手段，来实现上述目的。
一种具有间隔子的挠性轴承，其包含：一个外环，具有一个滚动沟；一个内环，设于该外环内，并设有一个相对该滚动沟的滚动槽，该滚动沟与该滚动槽构成一个负荷路径；多个滚动件，容设于该负荷路径；多个间隔子，具有一个供该滚动件设置的保持部，每两个间隔子之间具有一个端面相互接触，所述间隔子相互接触的端面分别为一个凹面及一个凸面。
进一步，该凸面为弧面，具有一半径；该凹面为弧面，具有一半径，该凸面的半径大于该凹面的半径。
进一步，该保持部具有一个开口，该开口的宽度为滚动件直径的0.9~0.95倍。
进一步，该间隔子为一U形，该保持部内设有两相对应的凹槽，该凹槽保持该滚动件于该保持部。
本发明具有间隔子的挠性轴承通过外环、内环、滚动件、间隔子的结构设计，该外环具有一个滚动沟；该内环设于该外环内，并设有一个相对该滚动沟的滚动槽，该滚动沟与该滚动槽构成一个负荷路径；多个滚动件容设于该负荷路径；多个间隔子具有一个供该滚动件设置的保持部，每两个间隔子之间具有一个端面相互接触，所述间隔子相互接触的端面分别为一个凹面及一个凸面，借此，本发明借由该间隔子的凹面与凸面之间的滑移，于挠性轴承运行时，间隔子之间能互相调整运转角度，以避免间隔子与外环或内环产生干涉。
附图说明
图1为习知技术具有间隔子的挠性轴承的端视图。
图2为本发明具有间隔子的挠性轴承的系统图。
图3为本发明具有间隔子的挠性轴承的组合图。
图4为本发明的间隔子的立体图。
图5为本发明的间隔子的侧视图。
图6为本发明具有间隔子的挠性轴承的端视图及局部放大图。
图7为本发明具有间隔子的挠性轴承与谐和式减速机组合图。
【符号说明】
先前技术
1 内环 2 外环
3 保持器 4 滚动件
X 干涉
本发明
1 内环 11 滚动槽
2 外环 21 滚动沟
3 间隔子 31 保持部
311 凹槽 32 凸面
33 凹面 4 滚动件
90 负荷路径 100 挠性轴承
200 谐和式减速机 R1、R2 半径
W 宽度。
具体实施方式
请参阅图2至图7所示，本发明为一种具有间隔子的挠性轴承100，包含：一个外环2，具有一个滚动沟21；一个内环1，设于该外环2内，并设有一个相对该滚动沟21的滚动槽11，该滚动沟21与滚动槽11构成一个负荷路径90；多个滚动件4，容设于该负荷路径90；多个间隔子3，具有一个供该滚动件4设置的保持部31，每两个间隔子3之间具有一个端面相互接触，所述间隔子3相互接触的端面分别为一个凹面33或一个凸面32，该凸面32为弧面，具有一半径R2；该凹面33为弧面，具有一半径R1，该凸面32的半径R2大于该凹面33的半径R1；当该挠性轴承100设置于一谐和式减速机200时，借由该凹面33及凸面32的半径R1、R2设定，能让两个间隔子3相对调整角度，避免间隔子3与外环2或内环1产生干涉，如图6及图7所示；该间隔子3为一U形，该保持部31内设有两个相对应的凹槽311，该凹槽311保持该滚动件4于该保持部31，该保持部31具有一个开口，该开口的宽度W为滚动件4直径的0.9~0.95倍。
除此之外，在本发明的实施例所揭露出的特征技术，于申请之前并未曾见于诸刊物，亦未曾被公开使用，不但具有如上所述功效增进的事实，更具有不可轻忽的附加功效。
以上实施例所揭示用以说明本发明，并非用以限制本发明，故举凡数值的变化与等效元件的置换，仍应隶属本发明的范畴。

Claims (4)

1.一种具有间隔子的挠性轴承，其特征在于，包含：一个外环，具有一个滚动沟；一个内环，设于该外环内，并设有一个相对该滚动沟的滚动槽，该滚动沟与该滚动槽构成一个负荷路径；多个滚动件，容设于该负荷路径；多个间隔子，具有一个供该滚动件设置的保持部，每两个间隔子之间具有一个端面相互接触，所述间隔子相互接触的端面分别为一个凹面及一个凸面。
2.如权利要求1所述的具有间隔子的挠性轴承，其特征在于：该凸面为弧面，具有一半径；该凹面为弧面，具有一半径，该凸面的半径大于该凹面的半径。
3.如权利要求1所述的具有间隔子的挠性轴承，其特征在于：该保持部具有一个开口，该开口的宽度为滚动件直径的0.9~0.95倍。
4.如权利要求1所述的具有间隔子的挠性轴承，其特征在于：该间隔子为一U形，该保持部内设有两个相对应的凹槽，该凹槽保持该滚动件于该保持部。
CN201611234883.8A 2016-12-28 2016-12-28 具有间隔子的挠性轴承 Active CN108253020B (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201611234883.8A CN108253020B (zh) 2016-12-28 2016-12-28 具有间隔子的挠性轴承
JP2017004030A JP6326514B1 (ja) 2016-12-28 2017-01-13 間隔子を備えた可撓性軸受
KR1020170008111A KR101895149B1 (ko) 2016-12-28 2017-01-17 스페이서를 구비하는 가요성 베어링
DE102017101409.8A DE102017101409B4 (de) 2016-12-28 2017-01-25 Flexibles Lager mit Abstandshaltern
US15/424,884 US9897144B1 (en) 2016-12-28 2017-02-05 Flexible bearing comprising spacers

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201611234883.8A CN108253020B (zh) 2016-12-28 2016-12-28 具有间隔子的挠性轴承
JP2017004030A JP6326514B1 (ja) 2016-12-28 2017-01-13 間隔子を備えた可撓性軸受
KR1020170008111A KR101895149B1 (ko) 2016-12-28 2017-01-17 스페이서를 구비하는 가요성 베어링
DE102017101409.8A DE102017101409B4 (de) 2016-12-28 2017-01-25 Flexibles Lager mit Abstandshaltern
US15/424,884 US9897144B1 (en) 2016-12-28 2017-02-05 Flexible bearing comprising spacers

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CN108253020A true CN108253020A (zh) 2018-07-06
CN108253020B CN108253020B (zh) 2021-08-24

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JP (1) JP6326514B1 (zh)
KR (1) KR101895149B1 (zh)
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DE (1) DE102017101409B4 (zh)

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