CN86103194B - 锥形箍紧装置 - Google Patents
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
- F16D1/093—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
- F16D1/095—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/16—Joints and connections with adjunctive protector, broken parts retainer, repair, assembly or disassembly feature
- Y10T403/1616—Position or guide means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7047—Radially interposed shim or bushing
- Y10T403/7051—Wedging or camming
- Y10T403/7052—Engaged by axial movement
- Y10T403/7056—Threaded actuator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7062—Clamped members
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Abstract
锥形箍紧装置(100)包括一个带有一个双锥形环(20)和两个单锥形环(30,40)的双锥形箍紧组件(10)。一个单锥形环(30)把双锥形箍紧组件(10)箍紧在轮毂(2)上,而另一个单锥形环(40)把双锥形箍紧组件(10)箍紧在位于轮毂(2)内侧轴向前方的轴(1)上。双锥形环(20)的内表面为阶梯圆柱面,较大内径部分(21)安装在轮毂(2)上,而较小内径部分(22)安装在轴(1)上。
Description
本发明涉及一种用于把轮毂连接到轴上的锥形箍紧装置。
在联邦德国的公开说明书DE-OS 23 29 940和联邦德国专利说明书DE-PS12 94 751中说明了典型的锥形箍紧装置。在DE-OS 23 29 940中,双锥形环作为外环,单锥形环安装在位于双锥形环内的轮毂上。在DE-PS 12 94 751中,双锥形环安装在轮毂上,而单锥形环作为外环。在箍紧期间,由处于外侧的双(或单)锥形环所产生的环形拉应力将轮毂箍紧。
然而在前述两种情况中,双锥形箍紧组件全部安装在轮毂上。对传递扭矩起决定性作用的轮毂与轴之间的摩擦连接,仅仅通过双锥形箍紧组件把轮毂与轴箍紧在一起来实现。
锥形箍紧装置经常用于重载驱动连接。在这种情况下,必须避免由于键槽而削弱轴的强度和受键槽影响导致局部应力增加的可能性。轴的直径通常在几百毫米的范围内。轮毂被加工成适当的尺寸,以便能把从驱动轴产生的力传递到与轴连接的被驱动件上。轮毂壁不应该做得太厚,否则双锥形箍紧组件的箍紧力会大量地消耗在轮毂的变形上。因此,轮毂的尺寸十分关键,实际上它决定了在过载情况下轮毂的输出能力。在轮毂上,由传递的扭矩所引起的剪力迭加在由双锥形箍紧组件施加的可观的径向压缩力上。因此,产生了相当大的应力,该应力值实际上可能达到材料的屈服点或处于材料的流动极限的应力值范围之中。
本发明的目的是提供一种能减小轮毂中应力的锥形箍紧装置。
本发明提供一种用于把轮毂连接到轴上的锥形箍紧装置,此装置包括一个适于安装在轮毂外圆周上的双锥形箍紧组件,这样轮毂能被径向压缩,并通过摩擦力使其与轴刚性地连接。这种双锥形箍紧组件包括:
一个双锥形环,它有两个沿轴向分开设置的同轴的锥形表面,其锥度方向相反,双锥形环的最大壁厚处位于轴向长度上的中部;
两个单锥形环,其中每一个都有一个锥形表面,分别与所述的双锥形环的相应的锥面相邻接;
轴向拉紧螺栓,它们环绕圆周布置,插入所述的单锥形环上轴向钻出的孔中,在轴向拉紧力作用下,强迫单锥形环沿着锥形表面滑动;
其中一个单锥形环把双锥形箍紧组件箍紧在轮毂上,而另一个单锥形环把双锥形箍紧组件箍紧在位于轮毂内侧轴向前方的轴上。
与现有技术的装置的相同点是,一个单锥形环使箍紧力作用在轮毂上,但与现有技术的装置不同的是,通过另一个单锥形环使箍紧力直接作用在轴上。在现有技术的装置中,双锥形箍紧组件的两个单锥形环都安装在轮毂的外部,因此它们并不能参与扭矩的传递,而扭矩的传递几乎仅能靠轮毂内圆柱面外的摩擦力来实现。与此相反,在本发明中,其一端直接箍紧在轴上的双锥形环能参与扭矩的传递,把扭矩从轮毂外圆柱面上传到轮〈&&〉上。该外圆柱面相对轮毂内圆柱面具有较大的半径,故转动力臂〈&&〉传递同样大小的扭矩时,本发前的装置可以相对〈&&〉。以这种方式,由传递的扭矩和径向箍紧力产生的相应的应力(该应力值可能位于材料的流动极限应力值范围之内)也减少了,也就是说,为产生同样大小的扭矩而必须施加在轮毂上的应力也减小了。
本发明可用两个可供选择的实施例来实现。在第一个实施例中,双锥形环是放在两个单锥形环的内侧,且有一端直接与轴接触。在第二个实施例中,双锥形环相对于单锥形环是外环,有一个单锥形环是直接安装在轴上,而在这种情况下,扭矩通过单锥形环与双锥形环之间的接触表面传递。
下面参照附图所示的实施例对本发明作进一步的说明。在附图中:
图1是根据本发明的锥形箍紧组件的第一个实施例的局部轴向剖视图;
图2是本发明的锥形箍紧组件的第二个实施例的局部轴向剖视图。
在图1所示的锥形箍紧组件100中,轮毂2不可转动地装于轴1上。“轴”应该理解为具有外圆柱表面3的任何结构件,例如轴颈,管子外表面及类似的构件。“轮毂”应该理解为具有一个内圆柱表表面4和一个外圆柱表面5的任何管状构件。在这种条件下“壁厚”仍然允许有一定量的径向变形,以与轴1产生摩擦连接,也就是说,壁厚通常是小于轮毂外廓的直径。轮毂2可以设置在齿轮或鼓轮上,或者它也可以由中空轴端或在另一根轴端镗出孔来形成。
用一个双锥形箍紧组件10可以实现把轮毂2刚性地定位在轴1上,双锥形箍紧组件10包括一个双锥形环20和两个单锥形环30,40。双锥形环20具有阶梯形圆柱内表面,在这种情况下,较大内径部分21安装在轮毂2的外圆柱表面5上,而位于图1右侧的较小内径部分22直接装于轴1的外圆柱表面上。
双锥形环20的外周表面包括两个锥形面23,24,它们沿着轴向其直径朝相反的方向逐渐减小,在它们之间有一个环形辐板25,它从锥面23,24上径向地向外凸出。单锥形环30,40以它们的内锥形面27,28与双锥形环的外锥形面23,24连接,在所有情况下,锥角都是相同的,并且两单锥形环的尺寸被设计得具有必要的强度,以施加箍紧力产生足够的摩擦连接。
轴向拉紧螺栓彼此非常靠近地分布在距轮毂较远的单锥形环外侧面上的一个圆周上,利用这些螺栓使单锥形环30,40紧紧地径向压在双锥形环20的锥面23,24上,以便由摩擦力把其固定在轴1上。因此,当拧紧拉紧螺栓时,在未开槽的单锥环30,40中产生的环形拉应力在可能的最小损失的情况下被转变成径向箍紧力。在双锥形环20的圆周上的某一位置也可开一个纵向槽。
在图1中有一组拉紧螺栓29,它们可轴向从右侧插入通孔41中,并穿过单锥形环40,如图1所示。这样螺栓头与单锥形环40的右侧端面靠紧,螺栓的外螺纹端部轴向地拧入环形辐板25中的内螺纹孔中。另一组拉紧螺栓29′从右侧穿过单锥形环40和环形辐板25中的通孔。然后其螺纹端部轴向地拧入单锥形环30中的内螺纹孔中。这样就可以使单锥形环30,40都可从右侧被拉紧。
如果锥面支承角在自锁范围内,那么用解除压力螺栓(图中未画出)迫使单锥形环30,40以轴〈&&〉着双锥形环彼此脱离,在图1所示的拉紧螺栓29〈&&〉
单锥形环40把双锥形环20通过其圆柱面22箍紧在轴1上。单锥形环30在它与轮毂2的外圆柱表面5之间箍紧双锥形环20,(此外,它还迫使轮毂2的内圆柱表面4箍在轴1上),这样加强了在轮毂2上的外圆柱面5处的摩擦锁定。扭矩通过双锥形环的表面22与表面5传递到轮毂2上,同时也通过轮毂2的表面4传递到轮毂2上。
在图2所示的锥形箍紧组件200的情况下,对于轮毂2的定位作用与图1一样。不同之处仅仅是如图2所示的双锥形箍紧组件110的配置方法不同,双锥形环120径向地位于单锥形环130,140的外面,锥形表面123、124属于内锥面,并且双锥形环的尺寸被设计得具有必要的强度,以施加箍紧力产生足够的摩擦连接。单锥形环130,140分别具有外锥形表面127和128,它们分别与内锥表面123,124连接,且它们还分别有内圆柱面105,122。这两个内圆柱面分别位于轮毂2的外圆柱表面5上和轴1的外圆柱表面3上。
在图2所示的实施例中,轴1的外部有一不显著的台阶,因此单锥形环140的内圆柱表面122的直径稍小于轮毂2的内圆柱表面4的直径。
双锥形环120的环形辐板125位于单锥形环130,140之间,并径向地向内凸出,与图1所示的环形辐板25类似,它也用于与轴向拉紧螺栓29、29′连接。
双锥形环120没有开槽,以便可以施加必要的箍紧力。而单锥形环130,140可以在它们的边缘上的某一位置纵向开槽,以便它们能很容易被压缩。如果轮毂2的端部(如图2的虚线2′所示)伸出而与单锥形环140的左端面相接触,这样可防止单锥形环140沿轮毂2的轴向方向,也就是沿轴1的轴向方向移动;然后,当拧紧拉紧螺栓29时,单锥形环140在轴1的外圆柱表面上保持静止,而在表面128上存在滑动,仅当拧紧拉紧螺栓29′时,表面105和127处发生滑动,这样就只有三对摩擦面而不是四对,因此减小了摩擦损失,由此提高了拉紧螺栓29,29′的效率。
在实施例中所述的锥形环30,40,120仅仅用来产生箍紧力。这些锥形环也可以作为功能元件,或者其他能被连接到如齿轮、皮带轮或类似功能元件上的元件。
也可以把锥形环30,40,120沿着一个同轴圆柱面43设置,它们可各包括一个带有锥形表面的内环44和一个围绕上述内环的外环42,如图2中左上部所示。外环42是由高抗拉强度的钢制成,它能经受很大的环应力而不发生塑性变形。这样可以施加较大的力,或这意味着当施加同样的力时,其横截面积可以减小,因此可减小锥形环30,40,120的外径。
Claims (8)
1、用于把一个轮毂连接到一根轴上的锥形箍紧装置,包括一个适合于安装在轮毂外围的双锥形箍紧组件,以便径向压缩轮毂,通过摩擦力,把它刚性地连接到轴上,上述的双锥形箍紧组件包括:
一个双锥形环,它有两个沿轴向分开设置的同轴的锥形表面,其锥度方向相反,双锥形环的最大壁厚处位于轴向长度上的中部,
两个单锥形环,其中每一个都有一个锥形表面,分别与所述的双锥形环的相应的锥面相邻接,
轴向拉紧螺栓,它们环绕圆周布置,插入所述的单锥形环上轴向钻出的孔中,在轴向拉紧力作用下,迫使单锥形环沿着锥形表面滑动,
其特征是:
上述的一个单锥形环把双锥形箍紧组件箍紧在轮毂上,而上述的另一个单锥形环把双锥形箍紧组件箍紧在位于轮毂轴向前方的轴上。
2、根据权利要求1所述的锥形箍紧装置,其特征是上述的双锥形环的锥形表面是外锥面,上述单锥形环安装在双锥形环的外面,双锥形环的内表面是阶梯式的圆柱面,以便使其较大内径部分安装在轮毂上,而较小内径部分安装在轴上。
3、根据权利要求1所述的锥形箍紧装置,其特征是上述的双锥形环的锥形表面是内锥面,单锥形环安装在双锥形环的内部,而且与单锥形环的锥形面对置的内圆柱平面有不同的内径,以使上述的一个单锥形环安装在轮毂上〈&&〉
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DE3518954A DE3518954C1 (de) | 1985-05-25 | 1985-05-25 | Konusspannanordnung |
DEP3518954.1 | 1985-05-25 |
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CN86103194A CN86103194A (zh) | 1986-11-19 |
CN86103194B true CN86103194B (zh) | 1988-04-06 |
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US (1) | US4702637A (zh) |
CN (1) | CN86103194B (zh) |
AU (1) | AU570586B2 (zh) |
CA (1) | CA1266986A (zh) |
DE (1) | DE3518954C1 (zh) |
IN (1) | IN167213B (zh) |
IT (1) | IT1189084B (zh) |
ZA (1) | ZA862266B (zh) |
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CN107191766A (zh) * | 2017-06-28 | 2017-09-22 | 安徽奥睿德科技发展有限公司 | 一种抗震支架锁紧结构 |
US11358243B2 (en) | 2018-04-25 | 2022-06-14 | Riverhawk Company | High torque friction fit low moment hub joint assembly for a shaft |
CN112747039A (zh) * | 2021-01-22 | 2021-05-04 | 瓦房店福斯特轴承科技开发有限公司 | 一种风电锁紧盘内环组件装置的装配方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3165342A (en) * | 1963-03-29 | 1965-01-12 | Borg Warner | Means for fixing wheels on shafts |
DE1294751B (de) * | 1965-10-25 | 1969-05-08 | Winkelhaus Werner | Kraftschluessige, loesbare Nabenbefestigung fuer eine Radscheibe |
GB1217074A (en) * | 1968-04-30 | 1970-12-23 | Werner Winkelhaus | A coupling means for rigidly securing a sleeve on a shaft |
AU437775B2 (en) * | 1968-10-03 | 1973-07-09 | Walter Francis Henry Krauss | Improvements in and relating to shaft mountings for pulleys, sheaves andthe like |
DE2159813C3 (de) * | 1971-12-02 | 1974-05-09 | Oskar E. 7129 Brackenheim Peter | Spannsatz in Doppelausführung mit konischen Elementen zur Nabenbefestigung |
DE2212005C2 (de) * | 1972-03-13 | 1974-02-21 | Oskar E. 7129 Brackenheim Peter | Spannsatz in Doppelausführung mit konischen Elementen zur Nabenbefestigung |
DE2329940A1 (de) * | 1973-06-13 | 1975-01-09 | Ralph Muellenberg | Spannsatz |
GB1447309A (en) * | 1973-05-17 | 1976-08-25 | Mullenberg R | Clamps |
GB1467584A (en) * | 1974-07-15 | 1977-03-16 | Ringfeder Gmbh | Clamping assembly |
DE2441400C2 (de) * | 1974-08-29 | 1976-10-14 | Oskar Erich Peter | Spannkupplung zur befestigung einer nabe mit ringfoermiger ausdrehung |
CH582314A5 (zh) * | 1974-09-14 | 1976-11-30 | Ringfeder Gmbh | |
DE2451311C2 (de) * | 1974-10-29 | 1976-04-29 | Peter Oskar E | Spannsatz in doppelausfuehrung mit konischen elementen zur nabenbefestigung |
DE2458229A1 (de) * | 1974-12-09 | 1976-06-10 | Ringfeder Gmbh | Spannsatz zur verbindung einer welle mit einer nabe |
US3972635A (en) * | 1975-04-03 | 1976-08-03 | Oskar Erich Peter | Double conical hub-to-shaft connection |
DE2832917C2 (de) * | 1978-07-27 | 1984-12-20 | Ralph 4048 Grevenbroich Müllenberg | Verbindungsanordnung |
US4376592A (en) * | 1980-05-08 | 1983-03-15 | Teepak, Inc. | Shaft coupling |
DE3100865C2 (de) * | 1981-01-14 | 1985-05-02 | Ralph 4048 Grevenbroich Müllenberg | Spannanordnung zum Verbinden einer Nabe mit einer Welle |
DE3315769A1 (de) * | 1983-04-30 | 1984-10-31 | Ralph 4048 Grevenbroich Müllenberg | Scheibenbefestigung |
AU562845B2 (en) * | 1983-12-01 | 1987-06-18 | Mullenberg, R. | Clamping device |
-
1985
- 1985-05-25 DE DE3518954A patent/DE3518954C1/de not_active Expired
-
1986
- 1986-03-13 AU AU54715/86A patent/AU570586B2/en not_active Ceased
- 1986-03-21 IN IN208/MAS/86A patent/IN167213B/en unknown
- 1986-03-25 IT IT19862/86A patent/IT1189084B/it active
- 1986-03-26 ZA ZA862266A patent/ZA862266B/xx unknown
- 1986-05-07 CN CN86103194A patent/CN86103194B/zh not_active Expired
- 1986-05-14 CA CA000509155A patent/CA1266986A/en not_active Expired - Lifetime
- 1986-05-23 US US06/866,588 patent/US4702637A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1189084B (it) | 1988-01-28 |
CN86103194A (zh) | 1986-11-19 |
DE3518954C1 (de) | 1986-04-30 |
AU5471586A (en) | 1986-11-27 |
IT8619862A1 (it) | 1987-09-25 |
AU570586B2 (en) | 1988-03-17 |
CA1266986A (en) | 1990-03-27 |
US4702637A (en) | 1987-10-27 |
IN167213B (zh) | 1990-09-22 |
IT8619862A0 (it) | 1986-03-25 |
ZA862266B (en) | 1986-11-26 |
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