US20070009322A1 - Clamping element for connecting a motor shaft to a transmission via a hub - Google Patents

Clamping element for connecting a motor shaft to a transmission via a hub Download PDF

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Publication number
US20070009322A1
US20070009322A1 US11/477,983 US47798306A US2007009322A1 US 20070009322 A1 US20070009322 A1 US 20070009322A1 US 47798306 A US47798306 A US 47798306A US 2007009322 A1 US2007009322 A1 US 2007009322A1
Authority
US
United States
Prior art keywords
hub
clamping element
clamp according
hole
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/477,983
Other languages
English (en)
Inventor
Walter Lang
Christof Old
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wittenstein SE
Original Assignee
Wittenstein SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37575375&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20070009322(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wittenstein SE filed Critical Wittenstein SE
Assigned to WITTENSTEIN AG reassignment WITTENSTEIN AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LANG, WALTER, OLD, CHRISTOF
Publication of US20070009322A1 publication Critical patent/US20070009322A1/en
Priority to US12/610,636 priority Critical patent/US8061924B2/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F16D1/0852—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 between the mating surfaces of the hub and shaft
    • F16D1/0864—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 between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub
    • 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
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
    • 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
    • Y10T403/53—Split end with laterally movable opposed portions
    • Y10T403/535—Split end with laterally movable opposed portions with separate force-applying means
    • 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
    • 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
    • Y10T403/7075—Interfitted members including discrete retainer
    • Y10T403/7077—Interfitted members including discrete retainer for telescoping members
    • Y10T403/7079—Transverse pin
    • Y10T403/7084—Bolt, rivet, or screw

Definitions

  • the present invention relates to a clamping element for connecting a motor shaft to a transmission via a hub, in particular transmission component, such as transmission drive shaft, sun wheel, clutch or the like, with at least one fixing element being inserted radially in the clamping element.
  • transmission component such as transmission drive shaft, sun wheel, clutch or the like
  • a disadvantage of the previous clamping elements is that a clamping ring frequently slips and cannot be easily fixed.
  • the present invention is therefore based on the object of providing a clamping element of the type mentioned at the beginning which eliminates the above-mentioned disadvantages, with which fixing is facilitated, very high fixing forces are realized and which can be connected directly into a hub.
  • the object is achieved by providing a clamping element for connecting a motor shaft to a transmission via a hub, in particular transmission component, such as transmission drive shaft, sun wheel, clutch or the like, with at least one fixing element being inserted radially in the clamping element (R 1 , R 2 ), characterized in that the fixing element at the same time forms a radial means of securing the clamping element (R 1 , R 2 ) against rotation and an axial means of securing the clamping element (R 1 , R 2 ) with respect to the hub.
  • clamping element for connecting a motor shaft to a transmission via a hub, in particular transmission component, such as transmission drive shaft, sun wheel, clutch or the like, with at least one fixing element being inserted radially in the clamping element (R 1 , R 2 ), characterized in that the clamping element (R 1 , R 2 ) forms an elastically deformable region over at least one hole, which region is arranged approximately opposite a gap of the clamping element (R 1 , R 2 ) and at the same time the at least one hole forms a mass balance for the unbalanced mass arising because of the gap and the fixing element.
  • a fixing element which can be designed as a fastening element, as a screw, as an eccentric etc. or the like, acts upon a basic body with a radial gap in such a manner that its inside diameter tapers for fixing purposes.
  • clamping element sits in the end-side flange region of the hub in a secure and slip-proof manner, and cannot be rotated radially with respect to the hub or slip off the latter axially.
  • a recess and/or at least one hole is preferably provided in the basic body in the region opposite the fixing element and the gap, in order to provide a mass balance with respect to the fixing element which sits in a hole.
  • a further advantage of the present invention is that the hub, in an end region opposite the flange region, can be designed directly as transmission component, in particular as transmission drive shaft or even as sun wheel or else pinion, which is inserted directly in the transmission.
  • the drive shaft of the motor in particular of the electric motor, to be inserted into the transmission or into the hub of the transmission and to be secured by means of the clamping element.
  • FIG. 1 a shows a longitudinal section through the clamping element placed onto an end-side flange region of a hub
  • FIG. 1 b shows a cross section through the clamping element, which is placed onto the hub, with the fixing element inserted;
  • FIG. 2 a shows a longitudinal section through a further exemplary embodiment of a clamping element placed onto an end-side flange region of a hub;
  • FIG. 2 b shows a cross section through the clamping element placed onto the hub.
  • a clamping element R 1 according to the invention has a basic body 1 which is designed in the manner of a circular ring and sits in a precisely fitting manner on an end-side flange region 2 of a hub 3 .
  • the hub 3 can be connected directly or indirectly to a transmission, an end region 4 opposite the flange region 2 preferably being designed as transmission component, in particular transmission drive shaft, pinion, sun wheel or the like and being integrated directly in a transmission.
  • An output shaft (not illustrated specifically here) of a motor in particular an electric motor, can be inserted through an insertion opening 5 in a precisely fitting manner onto an inner circumferential surface 6 in order then to drive a transmission preferably directly via the hub 3 .
  • the clamping element R 1 by means of the clamping element R 1 , by the basic body 1 being fixed by means of a fixing element 7 , the clamping element R 1 , in particular the basic body 1 thereof, can be pressed together about a gap 8 and thereby fixedly clamps the flange-side region 2 of the hub 3 and therefore, for example, a motor output shaft inserted into the insertion opening 5 .
  • the fixing element 7 protrudes within a circumferential region 6 of the hub 3 and interacts with and is in engagement with at least one recess 9 and/or an opening region 10 of a through hole 11 of the hub 3 in such a manner that an axial means of securing the clamping element R 1 with respect to the hub 3 and at the same time a radial means of securing the clamping element R 1 against rotation with respect to the hub 3 is ensured.
  • the clamping element 7 is preferably a threaded screw which is inserted radially on the basic body 1 and presses the gap 8 together.
  • an inside diameter of the basic body 1 can be reduced for fixing or clamping it with respect to the hub 3 .
  • At least one hole 12 is preferably provided, approximately opposite the gap 8 , or as illustrated in FIGS. 2 a and 2 b, a recess 13 is provided in order to provide an elastic region in the basic body 1 , so that the clamping element R 1 can be pushed together more easily by means of the fixing element 7 in the region of the gap 8 .
  • At least one hole 12 and the at least one recess 13 at the same time provide a mass balance of the clamping element R 1 and R 2 itself.
  • the recesses 9 and the opening region 10 of through holes 11 in the hub 3 in the end-side flange region 2 can not only form the radial and axial means of securing the clamping element R 1 , R 2 but also serve to reduce the stiffness of the hub 3 , in particular in the clamping region, in which a clamping and fixing of a motor output shaft is to be carried out within the inner circumferential surface 6 .
  • the clamping element R 2 according to FIGS. 2 a and 2 b differs only insubstantially from the clamping element R 1 according to FIGS. 1 a and 1 b.
  • One difference is that, instead of the axial holes 12 in the basic body 1 , the recess 13 in the basic body 1 is preferably provided on the inside in order to exactly provide a mass balance of the clamping element R 2 with the fixing element 7 inserted, and at the same time to facilitate a reduction of the inside diameter of the basic body 1 for the purpose of fixing a motor shaft.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Clamps And Clips (AREA)
US11/477,983 2005-07-06 2006-06-29 Clamping element for connecting a motor shaft to a transmission via a hub Abandoned US20070009322A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/610,636 US8061924B2 (en) 2005-07-06 2009-11-02 Clamping element for connecting a motor shaft to a transmission via a hub

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005031839.8 2005-07-06
DE200510031839 DE102005031839C5 (de) 2005-07-06 2005-07-06 Klemmelement zur Verbindung einer Motorwelle mit einem Getriebe über eine Nabe

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/610,636 Continuation US8061924B2 (en) 2005-07-06 2009-11-02 Clamping element for connecting a motor shaft to a transmission via a hub

Publications (1)

Publication Number Publication Date
US20070009322A1 true US20070009322A1 (en) 2007-01-11

Family

ID=37575375

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/477,983 Abandoned US20070009322A1 (en) 2005-07-06 2006-06-29 Clamping element for connecting a motor shaft to a transmission via a hub
US12/610,636 Active US8061924B2 (en) 2005-07-06 2009-11-02 Clamping element for connecting a motor shaft to a transmission via a hub

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/610,636 Active US8061924B2 (en) 2005-07-06 2009-11-02 Clamping element for connecting a motor shaft to a transmission via a hub

Country Status (4)

Country Link
US (2) US20070009322A1 (de)
JP (1) JP2007016993A (de)
DE (1) DE102005031839C5 (de)
IT (1) ITMI20061192A1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080298886A1 (en) * 2007-05-28 2008-12-04 Chao-Hu Chen Bicycle tube-clamp assembly
US20100254756A1 (en) * 2009-04-02 2010-10-07 Douglas Chiang Bicycle Seat Post Protecting Member
KR101182784B1 (ko) 2012-06-05 2012-09-13 한국뉴매틱(주) 씨형 클램핑 장치
US20120230758A1 (en) * 2011-03-07 2012-09-13 Stoeber Antriebstechnik Gmbh & Co. Kg Clamp Coupling for Fixed Connection of Two Rotating Parts, Preferably Shaft and Hub
CN109642689A (zh) * 2016-08-22 2019-04-16 德国诺玛公司 爪式固定装置
CN109952444A (zh) * 2016-11-08 2019-06-28 索尤若驱动有限及两合公司 具有由电机驱动的减速器的减速电机
CN112160998A (zh) * 2020-09-28 2021-01-01 中国汽车工程研究院股份有限公司 螺纹式对中联轴器
CN112384710A (zh) * 2018-07-03 2021-02-19 索尤若驱动有限及两合公司 在轴与带切口的空心轴区段之间的、具有带切口的夹紧环和切向作用的夹紧螺纹件的联接装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010052370B4 (de) * 2010-11-24 2014-09-11 Neugart Gmbh Verbindung einer insbesondere mit einem Ritzel versehenen Hohlwelle mit einer in sie einsetzbaren Welle oder Achse
CH705191A1 (de) * 2011-06-21 2012-12-31 Alstom Technology Ltd Druckgehäuse.
JP2015124816A (ja) * 2013-12-26 2015-07-06 日立建機株式会社 スプライン結合装置
KR101839432B1 (ko) * 2016-03-24 2018-03-19 브라토 주식회사 유성기어 감속기 출력 축의 구조
CN113994114B (zh) * 2019-06-11 2024-05-31 索尤若驱动有限及两合公司 具有减速器、电机、适配器和波纹管联轴器的减速电机

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US111152A (en) * 1871-01-24 Improvement in couplings for shafting
US1687806A (en) * 1925-04-24 1928-10-16 Dodge Mfg Corp Bearing for shaft supports
US3851983A (en) * 1973-02-20 1974-12-03 K Mackenzie Coupling
US3917424A (en) * 1973-07-16 1975-11-04 Cyclo Index Corp Clamping device for couplings
US4428697A (en) * 1981-06-08 1984-01-31 Ruland Manufacturing Company, Inc. Device adapted for clamping to a rotatable shaft
US5006007A (en) * 1989-06-16 1991-04-09 Reliance Electric Industrial Company Vibration-proof coupling
US5067845A (en) * 1990-12-06 1991-11-26 Charles Schlueter Clamp-hub
US5154652A (en) * 1990-08-01 1992-10-13 Ecklesdafer Eric J Drive shaft coupling
US5253949A (en) * 1992-07-21 1993-10-19 Trw Inc. Fail-safe universal joint connection
US5318375A (en) * 1991-02-27 1994-06-07 Jean Walterscheid Gmbh Lock for securing a coupling sleeve
US5628578A (en) * 1995-07-28 1997-05-13 Dana Corporation Alternate pinch bolt yoke construction
US5851084A (en) * 1995-12-13 1998-12-22 Tsubakimoto Chain Co. Rotor fixture
US6413006B1 (en) * 1999-02-19 2002-07-02 Neugart Gmbh & Co. Connection of a slotted hollow shaft, hollow axle or sleeve with an engaging counterpart
US6776551B2 (en) * 2000-09-29 2004-08-17 Renishaw Plc Retaining device
US20050208388A1 (en) * 2004-03-22 2005-09-22 Fuji Xerox Co., Ltd. Holographic recording medium and recording method
US7300210B2 (en) * 2004-01-08 2007-11-27 Emerson Power Transmission Manufacturing, Llp Bearing locking collar with laminated plates
US7448821B2 (en) * 2003-03-10 2008-11-11 Dr. Johannes Heidenhain Gmbh Arrangement for connecting a tubular element to a body extending into the same

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US4019824A (en) * 1976-02-03 1977-04-26 Percy Vernon L Positive ring retaining system
DE3433635A1 (de) * 1984-09-13 1986-03-20 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Kupplung zwischen einer kunststoff- und einer metall-welle
US5052842A (en) * 1991-03-27 1991-10-01 Pitney Bowes Inc. Secure locking means for mechanical drive components
JP3480109B2 (ja) * 1995-04-07 2003-12-15 日本精工株式会社 十字軸継手
US5580184A (en) * 1995-04-28 1996-12-03 The Torrington Company Angular adjustable clamp yoke
US5984790A (en) * 1997-08-13 1999-11-16 Nsk Ltd. Universal joint
DE29913996U1 (de) * 1999-08-11 1999-12-23 Spn Schwaben Praezision Fritz Getriebe
US6942415B2 (en) * 2002-02-26 2005-09-13 The Torrington Company Shaft assembly safety mechanism
JP2004270757A (ja) * 2003-03-06 2004-09-30 Honda Motor Co Ltd クランクシャフト
JP2004343919A (ja) * 2003-05-16 2004-12-02 Denso Corp 直流電動機用回転子
JP2005048907A (ja) * 2003-07-30 2005-02-24 Sumitomo Heavy Ind Ltd 歯車機構の入力部材及び連結部構造

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US111152A (en) * 1871-01-24 Improvement in couplings for shafting
US1687806A (en) * 1925-04-24 1928-10-16 Dodge Mfg Corp Bearing for shaft supports
US3851983A (en) * 1973-02-20 1974-12-03 K Mackenzie Coupling
US3917424A (en) * 1973-07-16 1975-11-04 Cyclo Index Corp Clamping device for couplings
US4428697A (en) * 1981-06-08 1984-01-31 Ruland Manufacturing Company, Inc. Device adapted for clamping to a rotatable shaft
US5006007A (en) * 1989-06-16 1991-04-09 Reliance Electric Industrial Company Vibration-proof coupling
US5154652A (en) * 1990-08-01 1992-10-13 Ecklesdafer Eric J Drive shaft coupling
US5067845A (en) * 1990-12-06 1991-11-26 Charles Schlueter Clamp-hub
US5318375A (en) * 1991-02-27 1994-06-07 Jean Walterscheid Gmbh Lock for securing a coupling sleeve
US5253949A (en) * 1992-07-21 1993-10-19 Trw Inc. Fail-safe universal joint connection
US5628578A (en) * 1995-07-28 1997-05-13 Dana Corporation Alternate pinch bolt yoke construction
US5851084A (en) * 1995-12-13 1998-12-22 Tsubakimoto Chain Co. Rotor fixture
US6413006B1 (en) * 1999-02-19 2002-07-02 Neugart Gmbh & Co. Connection of a slotted hollow shaft, hollow axle or sleeve with an engaging counterpart
US6776551B2 (en) * 2000-09-29 2004-08-17 Renishaw Plc Retaining device
US7448821B2 (en) * 2003-03-10 2008-11-11 Dr. Johannes Heidenhain Gmbh Arrangement for connecting a tubular element to a body extending into the same
US7300210B2 (en) * 2004-01-08 2007-11-27 Emerson Power Transmission Manufacturing, Llp Bearing locking collar with laminated plates
US20050208388A1 (en) * 2004-03-22 2005-09-22 Fuji Xerox Co., Ltd. Holographic recording medium and recording method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080298886A1 (en) * 2007-05-28 2008-12-04 Chao-Hu Chen Bicycle tube-clamp assembly
US20100254756A1 (en) * 2009-04-02 2010-10-07 Douglas Chiang Bicycle Seat Post Protecting Member
US20120230758A1 (en) * 2011-03-07 2012-09-13 Stoeber Antriebstechnik Gmbh & Co. Kg Clamp Coupling for Fixed Connection of Two Rotating Parts, Preferably Shaft and Hub
US9291205B2 (en) * 2011-03-07 2016-03-22 Stöber Antriebstechnik GmbH & Co. KG Clamp coupling for fixed connection of two rotating parts, preferably shaft and hub
KR101182784B1 (ko) 2012-06-05 2012-09-13 한국뉴매틱(주) 씨형 클램핑 장치
WO2013183927A1 (ko) * 2012-06-05 2013-12-12 한국뉴매틱(주) 씨형 클램핑 장치
CN104350290A (zh) * 2012-06-05 2015-02-11 韩国气压系统有限公司 C形夹紧装置
CN109642689A (zh) * 2016-08-22 2019-04-16 德国诺玛公司 爪式固定装置
CN109952444A (zh) * 2016-11-08 2019-06-28 索尤若驱动有限及两合公司 具有由电机驱动的减速器的减速电机
CN112384710A (zh) * 2018-07-03 2021-02-19 索尤若驱动有限及两合公司 在轴与带切口的空心轴区段之间的、具有带切口的夹紧环和切向作用的夹紧螺纹件的联接装置
CN112160998A (zh) * 2020-09-28 2021-01-01 中国汽车工程研究院股份有限公司 螺纹式对中联轴器

Also Published As

Publication number Publication date
DE102005031839B4 (de) 2010-04-08
US8061924B2 (en) 2011-11-22
JP2007016993A (ja) 2007-01-25
DE102005031839A1 (de) 2007-01-25
US20100104358A1 (en) 2010-04-29
DE102005031839C5 (de) 2015-05-07
ITMI20061192A1 (it) 2007-01-07

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Legal Events

Date Code Title Description
AS Assignment

Owner name: WITTENSTEIN AG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LANG, WALTER;OLD, CHRISTOF;REEL/FRAME:018029/0217

Effective date: 20060619

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION