WO2018202230A1 - Dispositif de commande - Google Patents

Dispositif de commande Download PDF

Info

Publication number
WO2018202230A1
WO2018202230A1 PCT/DE2018/100237 DE2018100237W WO2018202230A1 WO 2018202230 A1 WO2018202230 A1 WO 2018202230A1 DE 2018100237 W DE2018100237 W DE 2018100237W WO 2018202230 A1 WO2018202230 A1 WO 2018202230A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
switching device
actuating
guide body
geometry
Prior art date
Application number
PCT/DE2018/100237
Other languages
German (de)
English (en)
Inventor
Pierre-Yves Berthelemy
Original Assignee
Schaeffler Technologies AG & Co. KG
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
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to KR1020197032113A priority Critical patent/KR102560515B1/ko
Priority to DE112018002270.6T priority patent/DE112018002270A5/de
Publication of WO2018202230A1 publication Critical patent/WO2018202230A1/fr

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • 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
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0618—Details of blocking mechanism comprising a helical spring loaded element, e.g. ball
    • 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
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0631—Sliding sleeves; Details thereof
    • 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
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/04—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways with a shaft carrying a number of rotatable transmission members, e.g. gears, each of which can be connected to the shaft by a clutching member or members between the shaft and the hub of the transmission member

Definitions

  • the invention relates to a switching device for synchronization in a transmission with at least two gears, which are rotatably mounted on a transmission shaft, and with a synchronizer, which summarizes an axially synchronized for synchronizing rotational speeds of the transmission shaft and one of the gears sliding sleeve.
  • the object of the invention is to simplify the synchronization in a transmission with at least two gears, which are rotatably mounted on a transmission shaft, and with a synchronizer, which comprises a synchronizing of rotational speeds of the transmission shaft and one of the gears axially displaceable sliding sleeve ,
  • the object is achieved in a switching device for synchronization in a transmission with at least two gears which are rotatably mounted on a transmission shaft, and with a synchronizer, which summarizes a synchronizing of rotational speeds of the transmission shaft and one of the gears axially displaceable sliding sleeve, thereby achieved in that the switching device comprises a sleeve-like guide body, which is fastened axially fixed and rotationally fixed to an outer housing.
  • This outer housing is, for example, the transmission housing, or a part thereof. It may also be a housing-fixed with respect to the transmission housing further component.
  • the sleeve-like guide body is in operative connection with the axially displaceable sliding sleeve, so that it can be moved accordingly.
  • the sleeve-like guide body has, for example, a guide, link, geometry or housing geometry.
  • the sliding sleeve is non-rotatably connected with the gear shaft in a manner similar to that of conventional sliding sleeves or sliding sleeves.
  • the switching device allows, in contrast to conventional switching devices, a pivoting operation of the synchronizer with the sliding sleeve in a rotational direction concentric or coaxial with the transmission shaft.
  • the pivoting actuating movement of the switching device is converted in the switching device into an axial movement of the sliding sleeve.
  • the term axial refers to a rotation axis of the transmission shaft. Axial means in the direction or parallel to the axis of rotation of the gear shaft. Analog means radially transversely to the axis of rotation of the transmission shaft.
  • the switching device further comprises an operating wheel, which is in operative connection with the displacement of the sliding sleeve with this.
  • a preferred embodiment of the switching device is characterized in that the sleeve-like guide body has radially outwardly bent tabs, which serve for attachment to the outer housing and for displaying stops for limiting a rotational movement of a control wheel.
  • the On the outside of the sleeve-like guide body angled tabs thus have a double function.
  • the attachment of the tabs on the housing can be done for example by fasteners, such as screws o rivets.
  • the sleeve-like guide body with the tabs is advantageously designed as a sheet metal part.
  • the operating wheel is advantageously also designed as a sheet metal part.
  • a further preferred embodiment of the switching device is characterized in that the actuating wheel has a toothed ring with an external toothing, which extends axially between the toothed wheels and has a larger outer diameter than at least one of the toothed wheels.
  • This can be applied to the switching device in a simple manner from the outside, that is from outside the gears, a pivoting actuating movement or a rotational movement.
  • the toothed ring can also be arranged completely outside at least one of the toothed wheels.
  • a further preferred embodiment of the switching device is characterized in that radial tab portions of the tabs of the sleeve-like guide body are arranged in the same plane as spoke-like connecting body, which connect the toothed ring of the actuating wheel with a sleeve-like actuating body of the operating wheel.
  • the radial tab portions allow in a simple manner an arrangement of the toothed ring of the actuating wheel outside of at least one of the gears.
  • the spoke-like connecting body of the actuating wheel advantageously have a dual function. Together with the radial tab portions, the spoke-like connecting bodies advantageously constitute stops which limit a rotational movement or pivotal movement of the actuating wheel.
  • the sleeve-like actuating body is advantageously integrally connected by the spoke-like connecting body with the toothed ring of the actuating wheel.
  • a further preferred embodiment of the switching device is characterized in that the sleeve-like actuating body of the actuating wheel has a guide, a link, a geometry or a thread geometry, which is in operative connection with the displacement of the sliding sleeve.
  • the sleeve-like actuating body of the actuating wheel has a guide, link, geometry or thread geometry for a threaded ring.
  • the preferred thread geometry here comprises at least one thread, in which, for example, threaded pieces are guided, which protrude from the threaded ring.
  • the thread geometry makes it possible in a simple manner, to convert a rotational movement or pivotal movement of the actuating wheel in an axial movement of the sliding sleeve.
  • a further preferred embodiment of the switching device is characterized in that the sleeve-like guide body has a guide, link, geometry or thread geometry, which is operatively connected to the displacement of the sliding sleeve.
  • the sleeve-like guide body has a guide, link, geometry or thread geometry for a threaded ring.
  • the preferred thread geometry here also comprises at least one thread in which, for example, threaded pieces are guided, which protrude from the threaded ring.
  • About the thread geometry can be easily converted into a rotational movement or pivotal movement of the actuating wheel in an axial movement of the sliding sleeve.
  • a further preferred embodiment of the switching device is characterized in that the threaded ring project from the threaded ring, which are guided in the thread geometry and engage in recesses provided in the sleeve-like actuating body or in the sleeve-like guide body and prevent co-rotation of the screw ring.
  • This ensures in a simple manner that the threaded pieces move in the axial direction when the operating wheel is pivoted or rotated.
  • the threaded pieces are advantageously arranged in the axial direction between two stop rings, which in turn are axially coupled to the sliding sleeve. This is achieved in a simple manner that an axial movement of the threaded pieces is transmitted to the sliding sleeve.
  • a further preferred embodiment of the switching device is characterized in that the sleeve-like guide body cooperates for the representation of a threaded mechanism with the threaded ring and the sleeve-like actuating body of the actuating wheel.
  • a further preferred embodiment of the switching device is characterized in that the switching device is arranged radially inside the gears and in the axial direction overlapping to the gears.
  • the switching device is arranged radially inside the gears and in the axial direction overlapping to the gears.
  • a space available in the interior of the gear wheels can be optimally utilized in a simple manner in order to synchronize the gear shaft with one of the gear wheels.
  • the ring gear of the actuating wheel is arranged radially outside of at least one of the gears or of both gears.
  • the invention further relates to a sleeve-like guide body, an operating wheel and / or a threaded ring for a previously described switching device. The parts mentioned are separately tradable.
  • the invention also relates to a transmission with at least two toothed wheels and with a switching device described above.
  • the invention also relates to a method for synchronizing in a transmission with a previously described switching device.
  • Figure 1 shows a part of a transmission with two gears on one
  • Transmission shaft are rotatably arranged, and with a
  • Synchronizing device which is pivotally actuated by a switching device, in a first sectional view
  • Figure 2 second sectional view of the transmission of Figure 1; the switching device of Figures 1 and 2 alone in an exploded view; a perspective sectional view of the switching device
  • FIG. 3 a perspective sectional view of the transmission of Figures 1 and 2;
  • Figure 6 is a perspective sectional view of a variant of
  • Switching device of Figure 4 and Figure 7 is an exploded view of the switching device of Figure 6.
  • a part of a transmission 1 is shown with an only indicated outer housing 2 in different sections.
  • the transmission 1 comprises two toothed wheels 3, 4 which are rotatably arranged on a gear 5 indicated only by a reference numeral.
  • speeds of the transmission shaft 5 and the gears 3, 4 can be synchronized by means of a synchronizer 6.
  • the synchronizing device 6 is preferably designed as a multi-cone synchronizing device in order to keep the switching force required for synchronizing low.
  • the synchronizing device 6 can also, as shown in FIGS. 1, 2 and 5, be designed as a standard one-cone synchronizing device.
  • the illustrated synchronizer 6 comprises a sleeve carrier 8, on which a sliding sleeve 9 is axially displaceable.
  • the sliding sleeve 9 can be pivoted by means of a switching device 10.
  • the switching device 10 is arranged between the two gears 3 and 4.
  • the gears 3, 4 are rotatably mounted on the transmission shaft 5 (not shown).
  • a coupling body 1 1 is fixedly connected to the gear 3.
  • a coupling body 12 is fixedly connected to the gear 4.
  • a synchronous cone 13; 14 is fixed to the coupling body 1 1; 12 connected.
  • a synchronizer ring 15; 16 has at the inner diameter on a friction cone not specified.
  • FIG. 2 shows that the sliding sleeve 9 is assigned a plurality of, in particular three, pressure pieces 21.
  • the plungers 21 each include a spring 23, through which a positive locking element, such as a ball 24, is biased radially outwardly against the sliding sleeve 9.
  • the screw ring 30 is arranged in the axial direction between two stop rings 31, 32.
  • the stop rings 31, 32 are firmly connected to the sliding sleeve 9.
  • An axial movement of the screw ring 30 is transmitted to the sliding sleeve 9 via the stop rings 31, 32.
  • the screw ring 30 is, as seen in Figures 3 and 4, part of a threaded mechanism 34.
  • the threaded mechanism 34 comprises a sleeve-like guide body 35.
  • the sleeve-like guide body 35 has radially outwardly bent tabs 36, 37.
  • an operative connection between the sleeve-like guide body 35 and the sliding sleeve 9 is made in this case.
  • tabs 36, 37 are attached to the outer housing 2 of the transmission 1.
  • the attachment of the tabs 36, 37 on the outer housing 2 of the transmission 1 takes place for example by means of fastening elements, not shown, such as screws.
  • the tabs 36, 37 include radial tab portions 38, 39.
  • the radial portion 38 of the tab 36 is disposed in a plane with an actuating wheel 40.
  • the actuating wheel 40 comprises a toothed ring 41 with external teeth 42.
  • the toothed ring 41 is integrally connected to a sleeve-like actuating body 45 via spoke-like connecting bodies 43, 44.
  • the sleeve-like actuating body 45 has, as can be seen for example in Figure 3, radially inwardly recesses 46, 47.
  • the sleeve-like guide body 35 is equipped with a thread geometry 48.
  • the sleeve-like guide body 35 which is a threaded sleeve, advantageously designed so stiff that it can withstand the axial forces occurring during operation of the switching device 10, without the sleeve-like guide body 35 is supported axially left or right rotating parts of the transmission 1.
  • a radial distance between the sleeve-like guide body 35 and the Abstützung on the housing 2 through the tabs 36, 37 may advantageously remain small.
  • a lever arm of the tabs 36, 37 can also be kept small in a simple manner.
  • the tabs 36, 37 are advantageous only a few millimeters thick.
  • the screw ring 30 has radially outside a plurality of threaded pieces 51, 52, 53. The threaded pieces 51 to 53 are guided in threads or threaded slots of the thread geometry 48 of the sleeve-like guide body 35.
  • the sleeve-like guide body 35 shown in Figure 3 comprises a total of three threaded slots, in each of which a threaded piece 51, 52, 53 runs.
  • a closure ring 49 is mounted, which serves to stiffen the end of the sleeve-like guide body 35.
  • the tabs 36, 37 on the sleeve-like guide body 35 are advantageously angled so that the radial tab portions 38, 39 are arranged in the same plane as the spoke-like connecting body 43 and 44 and the toothed ring 41. This provides in particular the advantage that only a single sheet thickness is needed to represent a rotary feedthrough. Therefore, the illustrated switching device 10 can be made very compact axially.
  • the sleeve-like guide body 35 can also be designed without open threaded slots, for example in order to save the locking ring 49.
  • the sleeve-like guide body 35 can also be made in two parts.
  • the screw ring 30 is rotationally actuated by means of the sleeve-like actuating body 45 of the actuating wheel 40.
  • the sleeve-like actuating body 45 of the actuating wheel 40 can be moved around the sleeve-like guide body 35.
  • the movement of the sleeve-like actuating body 45 is applied via an actuator (not shown) to the external teeth 42 of the toothed ring 41 of the actuating wheel 40.
  • the threaded pieces 51 to 53 of the screw ring 30 are designed and designed such that the thread flanks are guided in the threaded slots of the thread geometry 48.
  • the sleeve-like actuating body 45 is advantageously centered on the sleeve-like guide body 35.
  • the sleeve-like guide body 35 remains fixed by its connection to the outer housing 2 with the preferably three tabs 36, 37.
  • the tabs 36, 37 advantageously represent stops, in particular rotational stops, for the actuating wheel 40.
  • the spoke-like links are used to illustrate the stops. body 43, 44 of the actuating wheel 40 in the same plane as the radial tab portions 38, 39 of the tabs 36, 37 are arranged.
  • An operating angle for the pivoting operation of the switching device 10 is in the illustrated construction at about plus / minus forty degrees.
  • the angle can be adjusted by means of different thread pitches. Theoretically, a single threaded slot is sufficient.
  • more than one threaded slot or thread, for example three, threaded slots in the thread geometry 48 are provided.
  • FIGS. 6 and 7 show an alternative embodiment of a threaded mechanism 64 with a threaded ring 60 in various views.
  • the threaded mechanism 64 comprises a sleeve-like guide body 65, which is fastened by means of tabs 66, 67 on the outer housing (2 in Figure 1) of the transmission.
  • the tabs 66, 67 include radial tab portions 68, 69 disposed in the same plane as spoke-like connecting bodies 73, 74 of an operating wheel 70.
  • the actuating wheel 70 comprises a toothed ring 71 with external toothing 72.
  • the toothed ring 71 is integrally connected to a sleeve-like actuating body 75 by the spoke-like connecting bodies 73, 74.
  • the sleeve-like guide body 65 has recesses 76, 77 in the region of the tabs 66, 67.
  • a thread geometry 78 is provided on the sleeve-like actuating body 75 of the actuating wheel 70.
  • the threaded pieces 81, 82 of the screw ring 60 are guided. With their free ends, the threaded pieces 81, 82 of the screw ring 60 protrude into the recesses 76, 77 of the sleeve-like guide body 65. Otherwise, the threaded mechanism 64 functions in the same way as the previously described threaded mechanism 34.
  • the sleeve-like guide body 65 and the operating wheel 70 are above the sleeve-like actuator body 75 for axial displacement with the sliding sleeve 9 in operative connection.
  • the switching device 10 can be advantageously used in automated or manual transmissions. With the switching device 10 different speeds between a gear wheel to be switched, which is also referred to as idler gear, and the fixed to the transmission shaft 5 sleeve carrier 8 can be adjusted.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un dispositif de commande (10) servant à la synchronisation dans une boîte de vitesses (1), comprenant au moins deux pignons (3, 4) qui sont disposés de manière rotative sur un arbre de boîte de vitesses (5) et comprenant un dispositif de synchronisation (6) qui comporte un manchon coulissant (9) déplaçable axialement pour synchroniser les vitesses de rotation de l'arbre de boîte de vitesses (5) et de l'un des pignons (3, 4). L'invention vise à simplifier la synchronisation. À cet effet, le dispositif de commande (10) comporte un corps de guidage (35) en forme de douille qui est fixé de manière fixe axialement et de manière solidaire en rotation à un carter extérieur (2).
PCT/DE2018/100237 2017-05-03 2018-03-16 Dispositif de commande WO2018202230A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197032113A KR102560515B1 (ko) 2017-05-03 2018-03-16 시프팅 장치
DE112018002270.6T DE112018002270A5 (de) 2017-05-03 2018-03-16 Schalteinrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017109428.8 2017-05-03
DE102017109428 2017-05-03

Publications (1)

Publication Number Publication Date
WO2018202230A1 true WO2018202230A1 (fr) 2018-11-08

Family

ID=61868109

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2018/100237 WO2018202230A1 (fr) 2017-05-03 2018-03-16 Dispositif de commande

Country Status (3)

Country Link
KR (1) KR102560515B1 (fr)
DE (2) DE112018002270A5 (fr)
WO (1) WO2018202230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020147884A1 (fr) * 2019-01-16 2020-07-23 Schaeffler Technologies AG & Co. KG Dispositif de synchronisation et/ou de changement de vitesse dans un carter de transmission et transmission

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019118754A1 (de) * 2019-07-11 2021-01-14 Bayerische Motoren Werke Aktiengesellschaft Kupplungsbetätigungsvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061977A1 (de) * 2005-12-23 2007-07-05 Schaeffler Kg Schiebemuffe
US20100219034A1 (en) * 2005-09-26 2010-09-02 Ricardo Uk Ltd. Control assembly
DE102011007266A1 (de) 2011-04-13 2012-10-18 Schaeffler Technologies AG & Co. KG Schalteinrichtung mit einer Kupplungseinrichtung
US20150021138A1 (en) * 2013-07-16 2015-01-22 Schaeffler Technologies Gmbh & Co. Kg Bi-directional actuator for a motor vehicle drive train
DE102014224330A1 (de) * 2014-11-28 2016-06-02 Schaeffler Technologies AG & Co. KG Mechanischer Zentralausrücker mit in Vertiefung eingreifendem Wälzkörper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100219034A1 (en) * 2005-09-26 2010-09-02 Ricardo Uk Ltd. Control assembly
DE102005061977A1 (de) * 2005-12-23 2007-07-05 Schaeffler Kg Schiebemuffe
DE102011007266A1 (de) 2011-04-13 2012-10-18 Schaeffler Technologies AG & Co. KG Schalteinrichtung mit einer Kupplungseinrichtung
US20150021138A1 (en) * 2013-07-16 2015-01-22 Schaeffler Technologies Gmbh & Co. Kg Bi-directional actuator for a motor vehicle drive train
DE102014224330A1 (de) * 2014-11-28 2016-06-02 Schaeffler Technologies AG & Co. KG Mechanischer Zentralausrücker mit in Vertiefung eingreifendem Wälzkörper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020147884A1 (fr) * 2019-01-16 2020-07-23 Schaeffler Technologies AG & Co. KG Dispositif de synchronisation et/ou de changement de vitesse dans un carter de transmission et transmission

Also Published As

Publication number Publication date
DE112018002270A5 (de) 2020-01-23
DE102018106130A1 (de) 2018-11-08
KR20200002869A (ko) 2020-01-08
KR102560515B1 (ko) 2023-07-28

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