WO2012097889A1 - Zugmittelspannvorrichtung mit sicherungselement sowie verbrennungskraftmaschine mit einer solchen zugmittelspannvorrichtung - Google Patents
Zugmittelspannvorrichtung mit sicherungselement sowie verbrennungskraftmaschine mit einer solchen zugmittelspannvorrichtung Download PDFInfo
- Publication number
- WO2012097889A1 WO2012097889A1 PCT/EP2011/068961 EP2011068961W WO2012097889A1 WO 2012097889 A1 WO2012097889 A1 WO 2012097889A1 EP 2011068961 W EP2011068961 W EP 2011068961W WO 2012097889 A1 WO2012097889 A1 WO 2012097889A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- sliding sleeve
- head
- securing element
- traction
- Prior art date
Links
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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
- F16H7/0836—Means for varying tension of belts, ropes, or chains with vibration damping means of the fluid and restriction type, e.g. dashpot
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0812—Fluid pressure
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0848—Means for varying tension of belts, ropes, or chains with means for impeding reverse motion
- F16H2007/0859—Check valves
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0878—Disabling during transport
Definitions
- the invention relates to a Switzerlandstoffspanniser with a housing comprising aluminum as a material, in the axially immovable a sliding sleeve is inserted, in which a hydraulically actuated axially extendable piston is mounted, wherein between the piston made of steel and the steel made sliding sleeve a pressure space is present, which can be filled with a hydraulic raulikstoff, wherein a securing element for fixing the axial position of the sliding sleeve, relative to the housing, engages the sliding sleeve and the housing.
- Traction device clamping devices are used in traction drives of internal combustion engines. Such traction mechanisms usually use as traction means either belts, such as toothed belts, or chains, such as timing chains. Such traction drives are used in particular in control drives of internal combustion engines application. In addition or as an alternative, they can also drive other units, such as generators or electric machines.
- the traction means are unfortunately subject to elongation, which must be compensated. Also, temperature-related stresses and strains in the traction device must be compensated.
- Such hydraulic chain tensioners are known, for example, from DE 20 2007 012 460 U1.
- This publication discloses a clamping unit with a chain tensioner and a transport lock for locking the tensioning piston.
- the dowel pin or the tolerance rings cause a deformation of the hydraulic element, ie the sleeve, but this has a negative influence on the performance of the hydraulic element.
- the pressing has the disadvantage that large overlaps are necessary to the forces both at low temperatures, such as -40 ° C, as even at high temperatures, such as 150 ° C to transmit. This is due in particular to the different coefficients of expansion of aluminum and steel. Even the gluing is not without problems, since it is also expensive, not yet sufficiently tested and prone to contamination in the assembly. Also, gluing itself as a source of dirt during assembly is to be avoided. Ultimately, therefore, there is still no sufficient process reliability.
- the securing element is provided with an elongate fastening section designed for fixing in the housing, which is provided at a housing-remote end with a head which is in form-locking connection with the sleeve.
- the securing element can also be acquired as a cost-effective item of equipment in large quantities as a purchased part, which reduces the costs of such a traction device clamping device.
- the securing element is designed as a pin.
- a pin can be driven by simple means into a suitably prepared hole of the housing, the driving should only take place as long as the biasing force is not yet sufficiently available by the spring head.
- attachment portion has a toothing, it is prevented that the securing element loosens again from the housing or even removed.
- the head has resilient properties, wherein not only the head can have elastic properties, but also the entire pen. This makes it possible to achieve a compensation of the different thermal expansion coefficients of the different materials.
- the pin is made of steel and / or the spring head is made of spring steel, then cost-effective materials can be used, which are durable but over a long time. It is also advantageous if the securing element is inserted in a recess of a thickening of the housing axially non-displaceable, wherein the recess axially parallel to a rotational axis of symmetry of the piston off is directed. The housing can then be easily prepared without having to recharge frequently during production.
- the head is flat and rotationally symmetrical with respect to the longitudinal axis of the fastening section or the head extends from the side of the securing element facing away from the axis of rotational symmetry of the piston to the rotational symmetry axis. In this way, a lifting of the hydraulic element can be prevented, whereby wear and dynamic Albertverhal- th avoided.
- the object is also achieved according to the invention by combining a combustion engine with a traction device according to the invention and a traction device.
- a pressing member with a toothing and a resilient head piece is used.
- the resilient head also has the advantage of being able to compensate for the length tolerances of a KSH element and the aluminum housing.
- FIG. 2 shows a separate illustration of the securing element in a first embodiment
- Fig. 3 is a perspective view of a traction device according to the invention with a second embodiment of a securing element.
- Fig. 1 is a section through an inventive Switzerlandstoffspannvoroplasty 1 is shown.
- the traction device 1 has a housing 2.
- the housing 2 is made of aluminum or an aluminum alloy.
- aluminum die-casting is used for the housing 2 in particular aluminum die-casting.
- the housing 2 has a hole 3 which has a substantially cylindrical cross-section.
- a sliding sleeve 4 is inserted in the hole 3.
- the sliding sleeve 4 is inserted substantially axially non-displaceable in the housing 2 and arranged substantially non-rotatably to the housing 2 in the hole 3.
- the sliding sleeve 4 has in its interior a piston 5, which is arranged to be able to slide out of it.
- the sliding sleeve 4 is made of steel.
- a pressure chamber 6 In the interior of the sliding sleeve 4 is a pressure chamber 6.
- This pressure chamber 6 is disposed between the sliding sleeve 4 and the piston 5 and closed in the direction of the housing 2 by a check valve 7.
- the pressure chamber 6 is filled at the opening of the check valve 7 by a hydraulic means, such as oil, in particular engine oil or hydraulic oil. If the pressure in the pressure chamber 6 is greater than the pressing on a free end 8 of the piston force F1, so the piston 5 moves out of the sliding sleeve 4 and presses on a clamping rail, not shown, which deflects a traction means.
- a securing element 10 is present.
- the securing element 10 is designed as a pin 1 1.
- the pin 1 1 has an elongated mounting portion 12 which has a toothing 13 on its outer side. At its projecting from the housing 2 end a head 14 is formed.
- the head 14 is formed of a resilient material.
- the entire securing element 10 is made of steel, in the present embodiment of spring steel.
- the head 14 has a slightly tapered outer contour on its upper side and on its underside.
- the top of the head 14 is provided with the reference numeral 15, whereas the underside of the head 14 is provided with the reference numeral 16.
- the securing element 10 has a longitudinal axis 17, which is aligned axially parallel to the rotational symmetry axis 9.
- the head 14 is mushroom-shaped. With a far as possible from the longitudinal axis 17 remote area 18 on the bottom 16, the head 14 is located on the top 19 of the sliding sleeve 4. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180065054.0A CN103314236B (zh) | 2011-01-17 | 2011-10-28 | 具有锁止元件的牵引件张紧设备以及具有这样的牵引件张紧设备的内燃机 |
KR1020137018615A KR20130135284A (ko) | 2011-01-17 | 2011-10-28 | 고정 부재를 구비한 트랙션 수단 인장 장치와, 이러한 트랙션 수단 인장 장치를 구비한 내연 기관 |
US13/980,164 US9133916B2 (en) | 2011-01-17 | 2011-10-28 | Traction-means tensioning device having a securing element, and internal combustion engine having such a traction-means tensioning device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011002761.0 | 2011-01-17 | ||
DE102011002761.0A DE102011002761B4 (de) | 2011-01-17 | 2011-01-17 | Zugmittelspannvorrichtung mit Sicherungselement sowie Verbrennungskraftmaschine mit einer solchen Zugmittelspannvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012097889A1 true WO2012097889A1 (de) | 2012-07-26 |
Family
ID=44883259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/068961 WO2012097889A1 (de) | 2011-01-17 | 2011-10-28 | Zugmittelspannvorrichtung mit sicherungselement sowie verbrennungskraftmaschine mit einer solchen zugmittelspannvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US9133916B2 (de) |
KR (1) | KR20130135284A (de) |
CN (1) | CN103314236B (de) |
DE (1) | DE102011002761B4 (de) |
WO (1) | WO2012097889A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011006602A1 (de) * | 2011-03-31 | 2012-10-04 | Schaeffler Technologies Gmbh & Co. Kg | Zugmittelspanner mit einem Überdruckventil, das einen dichtenden Käfig aufweist sowie Zugmitteltrieb mit einem solchen Zugmittelspanner |
WO2012144402A1 (ja) | 2011-04-21 | 2012-10-26 | Ntn株式会社 | 油圧式オートテンショナ |
US9360088B2 (en) | 2011-09-22 | 2016-06-07 | Borgwarner Inc. | Chain drive tensioner spring force control mechanism |
WO2013119412A1 (en) * | 2012-02-06 | 2013-08-15 | Borgwarner Inc. | Variable flow hydraulic chain tensioner |
JP2013204767A (ja) * | 2012-03-29 | 2013-10-07 | Ntn Corp | 油圧式オートテンショナ |
JP6182411B2 (ja) * | 2013-09-26 | 2017-08-16 | Ntn株式会社 | 油圧式オートテンショナ |
JP6374840B2 (ja) * | 2015-08-03 | 2018-08-15 | 株式会社椿本チエイン | テンショナ |
DE102016207779B4 (de) * | 2016-05-04 | 2022-01-05 | Schaeffler Technologies AG & Co. KG | Spannvorrichtung für einen Kettentrieb |
JP6813780B2 (ja) * | 2017-03-21 | 2021-01-13 | 株式会社椿本チエイン | テンショナ |
JP6882680B2 (ja) * | 2017-07-07 | 2021-06-02 | 株式会社椿本チエイン | テンショナ |
JP2023529930A (ja) * | 2020-06-09 | 2023-07-12 | アントニー, アシュリン | チェーンドライブのチェーン内の弛みおよび振動を除去するための装置 |
US11828206B1 (en) * | 2022-11-14 | 2023-11-28 | Borgwarner Inc. | Hydraulic tensioner with external pin and ratchet mechanism |
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JP2000346152A (ja) * | 1999-06-02 | 2000-12-12 | Tsubakimoto Chain Co | テンショナ本体にスリーブを挿入したテンショナ |
DE19680418C1 (de) * | 1995-06-10 | 2001-11-29 | Schaeffler Waelzlager Ohg | Spannvorrichtung für einen Kettentrieb |
WO2007122013A1 (en) * | 2006-04-20 | 2007-11-01 | Schaeffler Chain Drive Systems Sas | Tensioner for a chain or belt |
DE202007012460U1 (de) | 2007-09-05 | 2009-01-08 | Iwis Motorsysteme Gmbh & Co. Kg | Spanneinheit mit einem Einschraubkettenspanner und einer Transportsicherung |
DE102008033260A1 (de) | 2008-07-15 | 2010-01-21 | Schaeffler Kg | Platzierung von Transportsicherung bei Kettenspannern |
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DE3715038A1 (de) * | 1987-05-06 | 1988-11-17 | Schaeffler Waelzlager Kg | Hydraulische spannvorrichtung |
US5304099A (en) * | 1993-03-12 | 1994-04-19 | Eaton Corporation | Hydraulic chain tensioner |
DE9409155U1 (de) * | 1994-06-06 | 1995-10-12 | Winklhofer & Soehne Gmbh | Hydraulische Spanneinrichtung |
US5700213A (en) * | 1995-08-18 | 1997-12-23 | Borg-Warner Automotive, Inc. | Integral inlet and pressure relief valve for an automotive tensioner |
JP3722909B2 (ja) * | 1996-05-10 | 2005-11-30 | ボルグワーナー・モールステック・ジャパン株式会社 | 油圧テンショナ |
JPH09303503A (ja) * | 1996-05-10 | 1997-11-25 | Borg Warner Automot Kk | 油圧テンショナ |
JP3752017B2 (ja) * | 1996-05-10 | 2006-03-08 | ボルグワーナー・モールステック・ジャパン株式会社 | 油圧テンショナ |
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JP3916635B2 (ja) * | 2005-01-25 | 2007-05-16 | 株式会社椿本チエイン | 油圧式チェーンテンショナ |
DE102005039740A1 (de) | 2005-08-23 | 2007-03-01 | Schaeffler Kg | Spannsystem |
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JP2013204767A (ja) * | 2012-03-29 | 2013-10-07 | Ntn Corp | 油圧式オートテンショナ |
-
2011
- 2011-01-17 DE DE102011002761.0A patent/DE102011002761B4/de not_active Expired - Fee Related
- 2011-10-28 US US13/980,164 patent/US9133916B2/en not_active Expired - Fee Related
- 2011-10-28 WO PCT/EP2011/068961 patent/WO2012097889A1/de active Application Filing
- 2011-10-28 CN CN201180065054.0A patent/CN103314236B/zh not_active Expired - Fee Related
- 2011-10-28 KR KR1020137018615A patent/KR20130135284A/ko not_active Application Discontinuation
Patent Citations (5)
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---|---|---|---|---|
DE19680418C1 (de) * | 1995-06-10 | 2001-11-29 | Schaeffler Waelzlager Ohg | Spannvorrichtung für einen Kettentrieb |
JP2000346152A (ja) * | 1999-06-02 | 2000-12-12 | Tsubakimoto Chain Co | テンショナ本体にスリーブを挿入したテンショナ |
WO2007122013A1 (en) * | 2006-04-20 | 2007-11-01 | Schaeffler Chain Drive Systems Sas | Tensioner for a chain or belt |
DE202007012460U1 (de) | 2007-09-05 | 2009-01-08 | Iwis Motorsysteme Gmbh & Co. Kg | Spanneinheit mit einem Einschraubkettenspanner und einer Transportsicherung |
DE102008033260A1 (de) | 2008-07-15 | 2010-01-21 | Schaeffler Kg | Platzierung von Transportsicherung bei Kettenspannern |
Also Published As
Publication number | Publication date |
---|---|
DE102011002761A1 (de) | 2012-07-19 |
KR20130135284A (ko) | 2013-12-10 |
CN103314236B (zh) | 2017-05-17 |
US20130303318A1 (en) | 2013-11-14 |
CN103314236A (zh) | 2013-09-18 |
US9133916B2 (en) | 2015-09-15 |
DE102011002761B4 (de) | 2020-01-02 |
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