EP4393788A1 - Kupplung für schienenfahrzeug - Google Patents

Kupplung für schienenfahrzeug Download PDF

Info

Publication number: EP4393788A1
Authority: EP; European Patent Office
Prior art keywords: coupler head; coupling; coupler; pivoting mechanism; operational position
Prior art date: 2022-12-27
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.): Granted

Application number

EP22216703.3A

Other languages

English (en)

French (fr)

Other versions

EP4393788B1 (de

Inventor

Fredrik TUNELL

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.)

Dellner Couplers AB

Original Assignee

Dellner Couplers AB

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.)

2022-12-27

Filing date

2022-12-27

Publication date

2024-07-03

2022-12-27 Application filed by Dellner Couplers AB filed Critical Dellner Couplers AB

2022-12-27 Priority to EP22216703.3A priority Critical patent/EP4393788B1/de

2023-12-21 Priority to CN202380088873.XA priority patent/CN120457063A/zh

2023-12-21 Priority to EP23838049.7A priority patent/EP4642680A1/de

2023-12-21 Priority to PCT/EP2023/087457 priority patent/WO2024141429A1/en

2024-07-03 Publication of EP4393788A1 publication Critical patent/EP4393788A1/de

2024-12-25 Application granted granted Critical

2024-12-25 Publication of EP4393788B1 publication Critical patent/EP4393788B1/de

Status Active legal-status Critical Current

2042-12-27 Anticipated expiration legal-status Critical

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/08—Adjustable coupling heads
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/04—Couplings for special purposes not otherwise provided for for matching couplings of different types, i.e. transitional couplings

Definitions

This invention relates to a coupling for a rail vehicle, in particular in relation to automatic coupling systems (AC) in rail freight transportation (RFT), more specifically in relation to digital automatic coupling systems (DAC), and most specifically in relation to coupling systems which can be used alternatively as a screw coupling (SC) and as an automatic coupling (AC or DAC).
AC automatic coupling systems
RFT rail freight transportation
DAC digital automatic coupling systems
SC screw coupling
AC or DAC automatic coupling
An SC coupling is a coupling which comprises a shackle which is suitable to be manually coupled to a draw hook, typically according to the standard EN 15566:2016.
an AC coupling offers automatic coupling of the mechanical connection of two coupler heads (AC Type 1 to Type 3).
the coupler head of an AC coupling has the characteristics as defined in section 4.1 of the standard SS-EN 16019:2014.
a DAC coupling is an AC coupling which further offers automatic connection of power and data lines so that electric energy and digital information can be transmitted between two couplings that are coupled together (DAC Type 4 and Type 5).
one aspect of the present disclosure relates to a coupling for a rail vehicle, preferably a freight locomotive, which comprises a coupler shank for attaching the coupling to a rail vehicle and a coupler head pivotably connected to a free end of the coupler shank so as to rotate about a primary axis, preferably a horizontal axis, between an operational position and a non-operational position.
the coupling further comprises a locking member configured to assume a locking position in which it blocks rotation of the coupler head about the primary axis when the coupler head is in the operational position as well as a pivoting mechanism configured to rotate the coupler head about the primary axis, wherein the pivoting mechanism is configured to release the locking member.
the coupler head is securely held in its horizontal, operational position by means of the locking member.
the locking member since the locking member is configured to block rotation of the coupler head in the coupler head's operational position, it may transmit forces from the coupler head to the coupler shank which would otherwise cause a rotation of the coupler head out of its operational position.
the pivoting mechanism which is arranged to move the coupler head between its operational and non-operational positions, assumes the additional function of releasing the locking member, thereby allowing the coupler head's movement from the operational toward the non-operational position. This way, a train driver can simply actuate the pivoting mechanism from inside the locomotive's cabin in order to bring the coupler head out of the way.
the arrangement is such that both functions of the coupling, the rotation and the blocking of the coupler head, are caused by one and the same pivoting mechanism, which facilitates the handling of the coupling substantially.
This is particularly the case where the pivoting mechanism is automatically driven so that the train driver can trigger such actions remotely from the locomotive cabin.
the first end section of the rod is pivotably mounted to a swivel member.
the swivel member is, on the one hand, pivotably mounted to the coupler shank either directly or indirectly and, on the other hand, connected to or integrally forming the locking member such that, when the pivoting mechanism moves from the non-operational state toward the interim state, the swivel member swivels and causes release of the locking member.
a stop may be provided and arranged such that rotation of the coupler head from the coupler head's operational position toward the coupler head's non-operational position begins after the swivel member has reached the stop.
one side of the wedge may be tapered by +0.5° whereas the cooperating wall of the gap is not tapered and the other side of the wedge may be tapered by -0.5° whereas the cooperating wall of the gap is again not tapered, in which case the totality of tapers is 1°. This allows movement of the wedge into the gap until the walls of the wedge are pressing against the associated walls of the gap.
the swivel member 7 will first swivel about the swivel axis 7A until it abuts against a stop 9 (shown in the cross-sectional view of Fig. 5B ). Only thereafter will the coupler head 1 start to be raised. This is due to the fact that the forces acting on the first end 3A of the rod 3 are substantially only frictional forces which are substantially lower than the forces acting on the rod's other end section 3B caused by the weight of the coupler head 1 and/or spring force.
FIGs. 5A to 7 show the coupling with a screw coupler (SC) hanging down from the primary axis 6.
a shackle is pivotably connected to the front end of the screw coupling SC.
the shackle 20 is hooked into a transportation hook 21 mounted underneath the coupler head 1 so as to hold the screw coupling SC when the automatic coupler head 1 is operational.
the shackle 20 can be unhooked from the transportation hook 21 and later hooked onto a draw hook of a corresponding screw coupling of another rail vehicle.
the second end section 3B at the front of the rod 3 is guided in an oblong hole 11 of the coupler head 1 so that the locking member 8 is released from the gap 10 without the coupler head 1 being rotated about the primary axis 6.
the interim state of the pivoting mechanism is reached when the second end section 3B of the rod 3 reaches the opposite end of the oblong hole 11.
the second period starts in which the coupler head 1 is rotated, preferably lifted, from its operational position shown in Fig. 8 to its non-operational position shown in Fig. 9 .

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Train Traffic Observation, Control, And Security (AREA)

EP22216703.3A 2022-12-27 2022-12-27 Kupplung für schienenfahrzeug Active EP4393788B1 (de)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
EP22216703.3A EP4393788B1 (de)	2022-12-27	2022-12-27	Kupplung für schienenfahrzeug
CN202380088873.XA CN120457063A (zh)	2022-12-27	2023-12-21	用于轨道车辆的耦合器
EP23838049.7A EP4642680A1 (de)	2022-12-27	2023-12-21	Kupplung für schienenfahrzeug
PCT/EP2023/087457 WO2024141429A1 (en)	2022-12-27	2023-12-21	Coupling for rail vehicle

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP22216703.3A EP4393788B1 (de)	2022-12-27	2022-12-27	Kupplung für schienenfahrzeug

Publications (2)

Publication Number	Publication Date
EP4393788A1 true EP4393788A1 (de)	2024-07-03
EP4393788B1 EP4393788B1 (de)	2024-12-25

Family

ID=84604251

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP22216703.3A Active EP4393788B1 (de)	2022-12-27	2022-12-27	Kupplung für schienenfahrzeug
EP23838049.7A Pending EP4642680A1 (de)	2022-12-27	2023-12-21	Kupplung für schienenfahrzeug

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP23838049.7A Pending EP4642680A1 (de)	2022-12-27	2023-12-21	Kupplung für schienenfahrzeug

Country Status (3)

Country	Link
EP (2)	EP4393788B1 (de)
CN (1)	CN120457063A (de)
WO (1)	WO2024141429A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US630575A (en) *	1899-03-06	1899-08-08	Stebbins A Teal	Pilot-coupling.
US653075A (en) *	1899-08-29	1900-07-03	James F Dunn	Locomotive-pilot rigging.
WO2008132124A1 (de) *	2007-04-25	2008-11-06	Voith Patent Gmbh	Automatische knickkupplung
EP3590784A1 (de)	2018-07-04	2020-01-08	Voith Patent GmbH	Zugstange für eine kupplung sowie entsprechende kupplung
WO2021185497A1 (de) *	2020-03-20	2021-09-23	Voith Patent Gmbh	Kupplungsanordnung
EP3992054A1 (de) *	2019-09-09	2022-05-04	Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd.	Faltbare fahrzeugkupplung und fahrzeug

2022
- 2022-12-27 EP EP22216703.3A patent/EP4393788B1/de active Active
2023
- 2023-12-21 EP EP23838049.7A patent/EP4642680A1/de active Pending
- 2023-12-21 WO PCT/EP2023/087457 patent/WO2024141429A1/en not_active Ceased
- 2023-12-21 CN CN202380088873.XA patent/CN120457063A/zh active Pending

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US630575A (en) *	1899-03-06	1899-08-08	Stebbins A Teal	Pilot-coupling.
US653075A (en) *	1899-08-29	1900-07-03	James F Dunn	Locomotive-pilot rigging.
WO2008132124A1 (de) *	2007-04-25	2008-11-06	Voith Patent Gmbh	Automatische knickkupplung
EP3590784A1 (de)	2018-07-04	2020-01-08	Voith Patent GmbH	Zugstange für eine kupplung sowie entsprechende kupplung
EP3992054A1 (de) *	2019-09-09	2022-05-04	Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd.	Faltbare fahrzeugkupplung und fahrzeug
WO2021185497A1 (de) *	2020-03-20	2021-09-23	Voith Patent Gmbh	Kupplungsanordnung

Also Published As

Publication number	Publication date
CN120457063A (zh)	2025-08-08
EP4393788B1 (de)	2024-12-25
WO2024141429A1 (en)	2024-07-04
EP4642680A1 (de)	2025-11-05

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