EP0293674A1 - Attelage - Google Patents

Attelage Download PDF

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Publication number
EP0293674A1
EP0293674A1 EP19880107990 EP88107990A EP0293674A1 EP 0293674 A1 EP0293674 A1 EP 0293674A1 EP 19880107990 EP19880107990 EP 19880107990 EP 88107990 A EP88107990 A EP 88107990A EP 0293674 A1 EP0293674 A1 EP 0293674A1
Authority
EP
European Patent Office
Prior art keywords
coupling
coupling according
tube
shock absorber
extension
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.)
Granted
Application number
EP19880107990
Other languages
German (de)
English (en)
Other versions
EP0293674B1 (fr
Inventor
Dieter Friedrich Dipl.-Ing. Ernst
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 KUPPLUNGEN GmbH
Original Assignee
DELLNER KUPPLUNGEN 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 DELLNER KUPPLUNGEN GmbH filed Critical DELLNER KUPPLUNGEN GmbH
Priority to AT88107990T priority Critical patent/ATE79339T1/de
Publication of EP0293674A1 publication Critical patent/EP0293674A1/fr
Application granted granted Critical
Publication of EP0293674B1 publication Critical patent/EP0293674B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61G9/08—Draw-gear combined with buffing appliances with fluid springs or fluid shock-absorbers; Combinations thereof

Definitions

  • the invention relates to a coupling, in particular for coupling rail-bound vehicles, with an articulated rod mounted in an articulated bearing and with a tube extension accommodating a shock absorber and slidably guided in an outer tube.
  • a coupling of this type is known from PCT publication WO 86/00053. So that the very large tractive and impact forces that occur when coupling, starting and braking of, for example, railcars and / or wagons can be absorbed and operation that is as quiet as possible can be achieved, this known coupling has energy-absorbing elements, such as ring springs and / or gas-hydraulic shock absorbers.
  • the spherical bearing which receives the articulated rod of the coupling or a coupling half and allows oscillating movements is also provided with rubber components, ie, is designed to be elastically flexible. However, the rubber components require large volumes in order to be able to absorb the considerable compressive and tensile forces without permanent change in shape; in addition, it cannot be ruled out that the rubber components favor natural vibrations of the coupled vehicles.
  • the invention is based, to exploit the advantages of a clutch of the type mentioned in particular vibrations favoring movements within the clutch the task.
  • the bearing consists of steel. It has been found that in a clutch, which consists of a steel joint bearing, preferably combined with a gas-hydraulic shock absorber, the double-acting shock absorber, which advantageously absorbs both compressive and tensile forces, ensures sufficient energy absorption. There is therefore no need for a special design of the spherical plain bearing with rubber components; in addition, the steel spherical plain bearing does not cause any movements caused by changes in shape and therefore no natural vibrations of a coupled wagon or railway wagon. The slightly higher knocking noises due to the steel spherical plain bearing are negligible compared to these advantages.
  • the shock absorber without play in the pipe extension, for which purpose it can preferably be arranged between a nut closing the pipe extension and a transverse bolt guided in mutually opposite axial grooves of the outer pipe and the pipe extension and penetrating the outer pipe and the pipe extension.
  • the play-free installation whereby the shock absorber sits with a few millimeters of preload between the nut and the cross bolt, prevents rattling and consequently reduces the noise level.
  • the cross bolt can advantageously be provided with a flattening, preferably incorporated in its central part, against which the head of the shock absorber tappet lies.
  • a flattening preferably incorporated in its central part, against which the head of the shock absorber tappet lies.
  • the plunger which always rests against the flattened portion of the transverse bolt both under tensile and compressive force, engages in the transverse bolt, preventing the bolt from falling out and thus decoupling; because the tappet also ensures the installation position of the bolt penetrating the pipes.
  • the outer tube and tube extension are enclosed in the area of the cross bolt by a sleeve that holds the bolt in place, but is primarily intended to prevent dirt from entering the tube connection. It cannot be ruled out that the sleeve or the jacket will fall off the outer tube due to wear or corrosion during the often years of operation; in this case in particular, the plunger engaging in the flattening ensures that the position of the transverse bolt is secured.
  • the pipe extension which is relatively movable with respect to tensile and compressive forces with respect to the outer pipe, can advantageously be stored in lubrication-free sliding bushings of the outer pipe; this can reduce wear and tear and maintenance.
  • a tube extension with an abrasion-resistant, preferably chrome-plated surface supports wear-free and low-maintenance operation.
  • a gas-hydraulically damped coupling half can advantageously be connected to a coupling half designed as a rigid tube, thus reducing the manufacturing and cost expenditure for the coupling.
  • a coupling half 1 e.g. a so-called close coupling, i.e. coupling to be connected manually with a second coupling half, or an automatic coupling, is supported with a joint rod 2 in a steel spherical bearing 3, for which purpose the joint rod 2 engages with a bearing eye 4 between bearing shells 5; a joint axis 6 inserted through the bearing shells 5 and the bearing eye 4 holds the bearing assembly together.
  • the bearing shells 5 are coupled via a flange 7; the bearing shells 5 and the flange 7 form a bearing block with which the steel spherical bearing 3 is fastened, for example screwed, to a rail car or wagon, not shown.
  • the joint rod 2 projects with a pipe extension 8 into an outer pipe 9; at the end of the coupling half 1 facing away from the steel spherical bearing 3, the outer tube 9 is enclosed Coupling tube 10 on.
  • An end wall 11 closes off the coupling tube 10 and represents the connection point with a second coupling half; As shown in Fig. 2, this coupling half can be formed as a rigid tube 12 with a steel spherical bearing 3 and attached to the vehicle to be coupled, not shown.
  • the pipe extension 8 of the articulated rod 2 which moves relative to the outer pipe 9 in the case of tensile or compressive forces, is provided with a chrome-plated surface 13 and is supported in lubrication-free sliding bushings 14 of the outer pipe 9.
  • a by means of hose clamps 15 both on the bearing shells 5 of the steel spherical plain bearing 3 and on the outer pipe 9 fixed bellows 16 on the one hand automatically adapts to the length changes caused by tensile or compressive forces and on the other hand prevents dirt from penetrating between the pipes 8, 9 and into the steel spherical bearing 3.
  • a gas-hydraulic shock absorber 17 is clamped between the end nut 18 of the pipe extension 8 and a cross bolt 19 without play; a plunger 20 of the shock absorber 17 lies against the bolt 19.
  • the transverse bolt 19 extends in the installation position of the coupling half 1 shown in FIG as well as the pipe extension 8 is used (see FIG. 3).
  • the installation position of the cross pin 19 is secured by a sleeve in the area of the axial grooves 21 surrounding the outer tube in the form of a hose clamp 23 which can be fixed by means of screws 22 (cf. FIG. 1); the cuff or clamp 23 also prevents dirt from entering the interior of the tube extension or the gap between the outer tube 9 and tube extension 8 via the axial guide grooves 21.
  • the cross bolt 19 has a flat 24 in its central part, into which the tappet 20 of the shock absorber 17 engages with a tappet head 25.
  • the flattening 24 ensures, on the one hand, a flat contact between the cross pin 19 and the tappet head 25 and, on the other hand, an additional securing of the installation position of the cross pin 19, because even in the event that the hose clamp 23 no longer offers any hold to the cross pin 19, for example by sliding down from the outer tube 9 with loosening screws 22, the cross pin 19 could not fall out to the side; it would then hold the plunger head 25 engaging in the flattening 14, the transverse bolt in position and prevented an unwanted decoupling, because the plunger head 25 of the shock absorber plunger 20 is the flat 24 notched in the jacket of the transverse bolt both with compressive and tensile forces at.
  • Two vehicles such as a railroad railcar and a wagon or two railroad wagons that are to be coupled together, can either be equipped with the coupling half 1 according to FIG. 1, the coupling halves 1 being connected in the region of the end walls 11, or one vehicle can be equipped with the coupling half 1 and the other vehicle with the coupling half designed as a rigid tube 12 according to FIG. 2.
  • the rigid tube 12 is delimited on the side facing away from the steel spherical bearing 3 by an end wall 26, in which a centering bolt 27 is arranged for connection to the coupling half 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Fluid-Damping Devices (AREA)
  • Railway Tracks (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Motor Power Transmission Devices (AREA)
  • Support Of The Bearing (AREA)
  • Pivots And Pivotal Connections (AREA)
EP88107990A 1987-05-25 1988-05-19 Attelage Expired - Lifetime EP0293674B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107990T ATE79339T1 (de) 1987-05-25 1988-05-19 Kupplung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8707485U 1987-05-25
DE8707485U DE8707485U1 (de) 1987-05-25 1987-05-25 Kupplung

Publications (2)

Publication Number Publication Date
EP0293674A1 true EP0293674A1 (fr) 1988-12-07
EP0293674B1 EP0293674B1 (fr) 1992-08-12

Family

ID=6808471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107990A Expired - Lifetime EP0293674B1 (fr) 1987-05-25 1988-05-19 Attelage

Country Status (4)

Country Link
EP (1) EP0293674B1 (fr)
AT (1) ATE79339T1 (fr)
DE (2) DE8707485U1 (fr)
ES (1) ES2007326T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022206A3 (fr) * 1999-01-20 2001-05-30 Deutsche Bahn Aktiengesellschaft Dispositif de tamponnement et de traction pour véhicules ferroviaires attelés courts
EP4206056A1 (fr) * 2022-01-03 2023-07-05 Faiveley Transport Schwab AG Tampon, en particulier pour un véhicule ferroviaire

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HRP20231046T1 (hr) * 2021-06-30 2023-12-22 Peter Jonathan Pieringer Spojni uređaj s obujmicom

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1195472A (en) * 1966-12-09 1970-06-17 Midland Ross Corp Draft and Buff Gear for a Railway Vehicle
US4022329A (en) * 1976-01-16 1977-05-10 Dresser Industries, Inc. Draft rigging for railway cars
WO1986000053A1 (fr) * 1984-06-12 1986-01-03 Dellner Couplers B.V. Agencement dans des roulements pivotants pour attelages

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1195472A (en) * 1966-12-09 1970-06-17 Midland Ross Corp Draft and Buff Gear for a Railway Vehicle
US4022329A (en) * 1976-01-16 1977-05-10 Dresser Industries, Inc. Draft rigging for railway cars
WO1986000053A1 (fr) * 1984-06-12 1986-01-03 Dellner Couplers B.V. Agencement dans des roulements pivotants pour attelages

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022206A3 (fr) * 1999-01-20 2001-05-30 Deutsche Bahn Aktiengesellschaft Dispositif de tamponnement et de traction pour véhicules ferroviaires attelés courts
EP4206056A1 (fr) * 2022-01-03 2023-07-05 Faiveley Transport Schwab AG Tampon, en particulier pour un véhicule ferroviaire

Also Published As

Publication number Publication date
ATE79339T1 (de) 1992-08-15
DE8707485U1 (de) 1987-07-30
EP0293674B1 (fr) 1992-08-12
ES2007326A4 (es) 1989-06-16
DE3873622D1 (de) 1992-09-17
ES2007326T3 (es) 1993-04-01

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