WO2020035225A1 - Dispositif d'accouplement cinématique - Google Patents

Dispositif d'accouplement cinématique Download PDF

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Publication number
WO2020035225A1
WO2020035225A1 PCT/EP2019/068416 EP2019068416W WO2020035225A1 WO 2020035225 A1 WO2020035225 A1 WO 2020035225A1 EP 2019068416 W EP2019068416 W EP 2019068416W WO 2020035225 A1 WO2020035225 A1 WO 2020035225A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing part
sleeve
drawstrings
kinematic coupling
connection
Prior art date
Application number
PCT/EP2019/068416
Other languages
German (de)
English (en)
Inventor
Gerhard Schmidt
Original Assignee
Siemens Mobility GmbH
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 Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Priority to EP19746002.5A priority Critical patent/EP3810480B1/fr
Publication of WO2020035225A1 publication Critical patent/WO2020035225A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/04—Draw-gear combined with buffing appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/12—Continuous draw-gear combined with buffing appliances, e.g. incorporated in a centre sill

Definitions

  • the invention relates to a kinematic coupling
  • Transition bridges between the vehicle segments have a comparatively very low mass, apply but not as occupied car bodies to which the strict limit values for accelerations apply.
  • Multi-part vehicle concepts are much more widespread in the area of trams. However, due to the much lower collision energies there is a targeted one
  • Vehicle connection devices are expanded so that they can be considered as separate, occupied car bodies.
  • Another object is to provide a method for coupling wagon segments of multi-unit rail vehicles by means of such a coupling.
  • One aspect of the invention relates to a kinematic coupling that a first housing part with a first
  • Connection device for connection to a first carriage and a second housing part with a second
  • the kinematic coupling according to the invention has one or more first drawstrings, each with a first end and a second end, and comprises a sleeve for connecting a car body, preferably one
  • the sleeve is in one
  • the housing parts are connected to each other and can be moved against each other by a predefined nominal stroke.
  • Each of the first drawstrings has the first end at the first
  • the stroke i.e. the distance by which the two components A and B can be shifted against each other, or in other words: A can be shifted relative to B
  • the nominal is
  • Stroke is the distance that A and B are at one
  • Displacement of a first housing part compared to a second housing part is considered, the distance by which the first housing part is maximally displaceable relative to the second housing part is the nominal travel of the
  • the position of the is for each of the first drawstrings
  • the kinematic coupling furthermore has one or more second tension bands, each with a first end and a second end, each of the second tension bands being connected to the second housing part with the first end and to the first housing part with the second end and in a bend is guided around the sleeve. there is the position of the connection to the first housing part and the position of the connection to the second housing part with respect to the for each of the second tension bands
  • first tension bands with the same cross-section are used in the kinematic coupling, which are spaced apart from one another when being guided around the sleeve, and exactly one second tension band which is centered by the two first tension bands when being guided around the sleeve
  • At least one tension band is essentially one
  • This guiding around the sleeve advantageously runs around a predefined center angle on a circular arc.
  • the circular arc preferably has a central angle between 145 ° and 200 °, more preferably between 160 ° and 190 °, most preferably between 170 ° and 185 °.
  • Center angle can be 180 °; in this case, the drawstring is guided exactly semicircularly around the sleeve.
  • kinematic coupling is for each of the drawstrings, the free length of which is dimensioned in the starting position such that the drawstring can wrap or be guided around the sleeve between the housing parts during the entire nominal stroke, and preferably after moving the housing parts against each other by the total nominal stroke, the sleeve has been shifted by about half the stroke relative to each of the housing parts.
  • starting position or “starting position” is understood here to mean an arrangement of the coupling elements, in particular of the first and second housing parts, in which the
  • Connection device of the first housing part for connection to a first carriage and the connection device of the second housing part for connection to a second carriage by a predefined distance from one another, the predefined distance preferably being the maximum distance between the first and second connection devices that the kinematic coupling permits.
  • the "free length" of a drawstring is the distance that results in the initial position as the distance between the contact of the drawstring on the sleeve and the connection of the drawstring to that part of the housing to which the longer distance between contact of the
  • At least one tension band is configured and / or the radius on which the tension band is guided around the sleeve is dimensioned such that a significant proportion of the deformation when the tension band is wound around the sleeve during the
  • At least one of the first drawstrings is made of elongated one
  • Material, preferably sheet metal, of the second housing part is formed and / or at least one of the second drawstrings is made of elongated material, preferably sheet metal, of the first housing part.
  • one or more of the first drawstrings is / are welded at at least one end to the housing part to which this end is connected.
  • one or more of the second drawstrings is / are each on at least welded at one end to the housing part to which this end is connected.
  • At least one tension band is detachably connected to the housing part to which this end is connected at at least one of its ends.
  • each of the first tension bands is permanently attached to the second housing part with its first end and with the second end to the first housing part via a driving cam
  • each of the second drawstrings can be permanently attached to the second housing part at its first end and connected to the first housing part at its second end via an inserted bolt.
  • the body preferably one, is connected
  • the kinematic coupling also has a device for irreversible energy consumption, preferably an energy absorber.
  • the device for irreversible energy consumption is arranged in the first housing part, and the second housing part is supported on the device for via a push rod
  • Another aspect of the invention relates to a method for kinematic coupling, the coupling comprising: a first housing part with a first connecting device for connecting to a first carriage; a second housing part with a second connection device for connection to a second carriage; one or more drawstrings; and a sleeve for connecting a car body.
  • the sleeve is in a longitudinal direction of the first housing part relative to the first housing part and in a longitudinal direction of the second
  • Housing part slidable relative to the second housing part, and the housing parts are connected to each other and
  • Each of the drawstrings has two ends and is connected at one end to the first housing part and at the other end to the second housing part and is guided in a bend around the sleeve.
  • Housing part shifts the sleeve by half the distance, ie by s / 2, with respect to each of the housing parts.
  • starting position is used here in accordance with the above
  • the method according to the invention for kinematic coupling has the advantage that the acceleration of the - possibly light - intermediate car body is not limited by coordinating the deceleration forces, but by kinematic coupling with the two adjacent heavier cars.
  • first and second housing part adjoining an (intermediate) wagon body are connected rigidly or via reversibly elastic elements to a first and second housing part of the device.
  • first and second housing part are connected rigidly or via reversibly elastic elements to a first and second housing part of the device.
  • the principle of bisection by looping traction means is e.g. B. known from telescopic fire ladders. There is a rope attached to a first and a third conductor segment, the one to the second segment
  • a predominantly plastic bend is provided (functionally not necessary, but accepted).
  • the advantage is that the full cross-sections can be connected to the structure of the housing parts without voluminous transition structures (e.g. eyelets and rope clamps).
  • voluminous transition structures e.g. eyelets and rope clamps.
  • the invention thus allows, in particular, a combination of wagon body segments of which is reliable in terms of manufacture and verification very different weights in an efficient crash train designed train.
  • FIG. 1 shows a longitudinal section through the kinematic coupling according to the invention in a starting position
  • Figure 2 shows a plan view of the invention
  • FIG. 3 shows a cross section through the kinematic coupling according to the invention in a starting position
  • FIG. 4 shows a longitudinal section through the kinematic coupling according to the invention when the housing parts are displaced relative to one another by approximately half
  • Figure 5 shows a plan view of the invention
  • FIG. 6 shows a cross section through the kinematic coupling according to the invention when the housing parts are displaced relative to one another by approximately half
  • Figures 1 to 3 show an example of an embodiment of the kinematic coupling according to the invention in the
  • the first housing part 1 (on the right in the figures) and the second housing part 2 (on the left in the figures) can each be connected to a trolley and connected to each other via a sleeve 5 (intermediate sleeve).
  • the sleeve 5 is formed into a driving pin 6 to which an intermediate car (not shown) can be attached.
  • Figure 3 shows on the side of the second housing part (left in the figure) a first tension band 7, which is firmly connected at one end to the second housing part 2, around which the sleeve 5 is bent at an angle of slightly less than 180 ° and finally is attached to the first housing part 1 (right in the figure) by means of a driving cam 9. Since the connection of the first tension band 7 to the first housing part 1 is loaded under pressure (the housing parts move towards one another when loaded), the fastening via the driving cams 9 is sufficient here.
  • the “free length” of the first tension band 7 is the distance between here whose concerns on the sleeve 5 and his
  • a second tension band 8 which is firmly connected at one end to the first housing part 2, is guided around the sleeve 5 in a bend at an angle of somewhat less than 180 ° and is finally fastened to the first housing part 1 by means of a bolt connection 10. Since the connection between the second tension band 8 and the first housing 1 is subjected to tension in the assembly direction, it is realized via a bolt connection 10.
  • the “free length” of the second tension band 8 is here the distance between its contact with the sleeve 5 and its attachment to the first housing part 1.
  • the housing parts 1 and 2 each have slots of the same length.
  • the sleeve 5 is movable within the two slots.
  • the sleeve 5 is in the slots each by the slot length minus the diameter of the sleeve
  • the resulting length corresponds to half of the predefined nominal stroke of the kinematic coupling.
  • a device for irreversible energy consumption implemented by means of an energy absorber 3, is integrated in the first housing part 1.
  • Figures 4 to 6 show the kinematic coupling of Figures 1 to 3 in a corresponding view, but not in the starting position, but after by a
  • the first housing part 1 has been displaced in the direction of the second housing part 2 by about half the nominal stroke (the slots of the two

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

L'invention concerne un dispositif d'accouplement cinématique pour l'accouplement cinématique des segments de voiture de véhicules ferroviaires à plusieurs éléments, en particulier de véhicules ferroviaires à plusieurs éléments pourvus de segments de voiture de masse différente. L'invention concerne également un procédé pour l'accouplement des segments de voiture au moyen de ce dispositif d'accouplement.
PCT/EP2019/068416 2018-08-17 2019-07-09 Dispositif d'accouplement cinématique WO2020035225A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19746002.5A EP3810480B1 (fr) 2018-08-17 2019-07-09 Dispositif d'accouplement cinématique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018213946.6A DE102018213946A1 (de) 2018-08-17 2018-08-17 Kinematische Kopplung
DE102018213946.6 2018-08-17

Publications (1)

Publication Number Publication Date
WO2020035225A1 true WO2020035225A1 (fr) 2020-02-20

Family

ID=67480170

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/068416 WO2020035225A1 (fr) 2018-08-17 2019-07-09 Dispositif d'accouplement cinématique

Country Status (3)

Country Link
EP (1) EP3810480B1 (fr)
DE (1) DE102018213946A1 (fr)
WO (1) WO2020035225A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE662083A (fr) * 1964-04-03 1965-08-02
AT502530A1 (de) * 2005-08-18 2007-04-15 Evoinvent Ag Kuppelvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1065688A (en) * 1911-06-29 1913-06-24 Oscar Johnson Coupling for vehicles.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE662083A (fr) * 1964-04-03 1965-08-02
AT502530A1 (de) * 2005-08-18 2007-04-15 Evoinvent Ag Kuppelvorrichtung

Also Published As

Publication number Publication date
EP3810480B1 (fr) 2024-05-29
EP3810480A1 (fr) 2021-04-28
DE102018213946A1 (de) 2020-02-20

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