EP0423548A1 - Couplage de conduite automatique pour véhicules ferroviaires - Google Patents

Couplage de conduite automatique pour véhicules ferroviaires Download PDF

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Publication number
EP0423548A1
EP0423548A1 EP90118989A EP90118989A EP0423548A1 EP 0423548 A1 EP0423548 A1 EP 0423548A1 EP 90118989 A EP90118989 A EP 90118989A EP 90118989 A EP90118989 A EP 90118989A EP 0423548 A1 EP0423548 A1 EP 0423548A1
Authority
EP
European Patent Office
Prior art keywords
coupling
hook member
hook
stop
spring
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
EP90118989A
Other languages
German (de)
English (en)
Other versions
EP0423548B1 (fr
Inventor
Axel Dr. Schelle
Hans Friedrichs
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.)
Unicupler GmbH
Knorr Bremse AG
Original Assignee
Unicupler GmbH
Knorr Bremse AG
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 Unicupler GmbH, Knorr Bremse AG filed Critical Unicupler GmbH
Publication of EP0423548A1 publication Critical patent/EP0423548A1/fr
Application granted granted Critical
Publication of EP0423548B1 publication Critical patent/EP0423548B1/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
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
    • B61G5/08—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for fluid conduits

Definitions

  • the invention relates to an automatic line coupling for rail vehicles equipped with automatic couplings, with a pipe part which is axially displaceable relative to a housing part, the front end of which forms a coupling mouthpiece for fluid-tight coupling with a corresponding pipe part of a similarly designed mating coupling, the coupling mouthpiece projecting in front of a coupling plane in the uncoupled state and during coupling operations against the force of a first spring can be pushed back into the coupling plane, the spring being weaker than the separating force which can be produced on the coupled coupling mouthpiece by its pressure medium action, with at least one hook member which transversely to the axial direction of the pipe part into a locking and a release position is movably supported on the pipe part and with its hook part projects radially outward beyond the coupling mouthpiece, with a hooking profile arranged on the pipe part, which by the i n Locking position of the hooked part of a coupled counter-coupling can be gripped behind to secure the coupling state, and with a
  • Such a line coupling is known from DE-OS 1 904 513.
  • the housing is designed as a central buffer coupling head and the pipe part of the line coupling is relative to it in one rear release and a front dome position movable.
  • the front end of the pipe part forms the coupling mouthpiece with a coupling sealing ring surrounding its mouth; in the coupling state, the coupling sealing rings of the pipe parts to be coupled are in axial contact with one another.
  • an annular part is axially displaceably mounted on the tube part against spring force, via which the support for the axial bracing of the coupling sealing rings runs in the coupling state.
  • a hook member On one of the parts of the ring part or tubular part, a hook member is pivotally mounted about an axis of rotation transverse to its axial direction, which engages with a shoulder in a groove of the other part - tubular part or ring part - and thus experiences a pivoting movement between the two parts .
  • the hook member In the release state until the coupling state is in contact with one another without the application of pressure medium, the hook member is held in a release position pivoted radially outward.
  • the coupling sealing rings still remain in pressure medium-tight contact.
  • the relative displacement between the tube part and the ring part thus caused pivots the hook member radially inward from the release position into a locking position, its hook part engaging behind a hooking profile on the tube part of the respective mating coupling and thus hooking the two tube parts against one another, so that they cannot separate further.
  • the coupling state is therefore mechanically hooked. If the pressure medium pressure in the line coupling is reduced again, its parts return elastically to their starting positions.
  • the at least one stop is arranged between the housing of the line coupling or counter-coupling and the hook member in such a way that it comes into engagement depending on the relative movements of the coupling mouthpiece relative to the housing and the hook member out one of which can move to its other position.
  • the hook member is actuated in dependence on the coupling state, but not on the pressure medium applied to the pipe part, so that the hooked pipe parts are retained throughout the entire time in the coupling state, regardless of the pressure medium applied.
  • the line coupling has a tubular part 1, the front end of which forms a coupling mouthpiece with a coupling sealing ring 2 surrounding the mouth.
  • the pipe part 1 is axially displaceably mounted in a guide opening 3 of a housing part 4;
  • the housing part 4 has an end face 5 which, in the coupling state, faces a corresponding end face of a counter-coupling at a maximum distance; the end face 5 is thus at least approximately in a dome plane.
  • the front end of the tubular part 1 with its coupling sealing ring 2 forming the coupling mouthpiece is at a distance V in front of the end face 5 and thus the coupling plane; the
  • pipe part 1 is against the force of a spring, not shown - the structure can correspond to that according to the already mentioned DE-GM 1 871 648 - so displaceable relative to the housing part 4 that the coupling sealing ring 2 reaches the dome plane.
  • the force of the spring mentioned can be less than the back pressure force exerted on the tubular part 1 by pressurizing the same.
  • a hook member 8 is articulated on the tubular part 1 so as to be pivotable about an axis extending transversely to its axial direction 6 and represented as a bolt 7.
  • the hook member 8 extends forward and with its hook part 9 projects beyond the coupling sealing ring 2.
  • a weak spring 10 clamped between the pipe part 1 and the hook member 8 loads the hook member 8 in the pivoting direction from the pipe part 1.
  • On the back of the hook part 9 facing away from the pipe part 1 are offset from each other two levers 11 and 12 held at their opposite ends; the mutually facing ends of the two levers 11 and 12 are guided together.
  • the tubular part 1 carries a radially projecting cam 15, the back of which forms a hooking profile 16 for the hook part of a counter coupling. So that the automatic line coupling and its mating coupling can be configured in the same way, it is expedient if the hook member 8 and the cam 15 lie in a horizontal plane which defines the axial direction 6, i.e. includes the axis of the pipe part 1.
  • the guide opening 3 is of widened design in its end region adjacent to the end face 5; in this end region it has a wall 17 which is conical.
  • the mouth of the pipe part 1 with the coupling sealing ring 2 is at a distance V in front of the end face 5.
  • the hook member 8 is pivoted away from the pipe part 1 under the force of the spring 10, it forms an acute angle with its axial direction 6.
  • the lever 11 adjacent to the bolt 7 runs close to the transition point 18 of the wall 17 to the end face 5, the guide point 13 is located at a greater radial distance from the wall of the pipe part 1 than the transition point 18.
  • the front ends of the hook parts 9 and 9 ' arrive in the space enclosed by the wall 17' or 17 until the respective front lever 12 or 12 'runs against the transition point 18' or 18 and upon further approximation radially inwards, is pressed towards the pipe part 1 or 1 '; the spring 14 or 14 ', which is stronger than the spring 10 or 10', pivots the hook member 8 or 8 'in the direction of approach to the pipe part 1 or 1', finally the hook parts 9 or 9 ' engage the cams 15 'and 15 on their interlocking profile 16' and 16 respectively.
  • the levers 11 and 12 can also be arranged such that when two housing parts 4 and 4 'approach each, the levers 11 and 11' at the transition point 18 or 18 'of their own housing parts 4 and 4' start and be pressed radially inwards by this. Furthermore corresponds to the clutch and Decoupling process here the description above. In a further change to both versions, it is possible to omit the other lever 11 or 12, which does not start at a transition point 18, 18 '.
  • the wall 17 it is possible not to design the wall 17 as a conical surface, but rather to present the guide opening 3 essentially not widened up to the end face 5 and to provide only two groove-like recesses which are open to the end face 5 and the guide opening 3 in the region adjacent to the end face 5 , in which the hook member 8 or the cams 15 are able to enter when pushing back the tubular part 1; the bottom of this recess is wedge-shaped, corresponding to the wall 17 towards the rear of the tubular part 1.
  • a cantilever can be provided on the hook member 8 Extension are arranged, which engages in a guide groove on the housing part 4 such that when the pipe part 1 is pushed back into the housing part 4, the hook member 8 is rotated from its release position into its locked position.
  • tubular part 1 it is also possible to equip the tubular part 1 with a plurality of hook members 8 distributed over its circumference and a corresponding number of cams 15.
  • hook members 8 and cams 15 it is expedient to arrange the hook members 8 and cams 15 in mirror image to a vertical plane through the axis of the pipe part 1.
  • the hook member 8 articulated via the bolt 7 on the tubular part 1 has, at its end facing away from the hook part 9, a cam 19 which projects outward radially to the tubular part 1 and which surrounds the tubular part 1 at a radial distance Section 20 of the guide opening 3 is located, which is open to the end face 5.
  • the cam 19 ends at a short distance in front of the wall 21 of the section 20.
  • a cam 22 protrudes essentially radially inwards from the wall 21, the cam 19 thus engages behind the cam 22 compression spring 23 supporting backwards against the housing part 4 loads the cam 19 in such a way that a torque pivoting to the locking position is exerted on the hook member 8.
  • the stop 19, 22 formed from the two cams 19 and 22 comes into engagement during the forward movement of the coupling sealing ring 2, which represents the coupling mouthpiece, from the coupling plane and thereby swivels the hook member 8 out of its blocking position into the release position.
  • a different type of spring device for example a tension spring clamped between the tubular part 1 and the shaft of the hook member 8, can of course also be provided instead of the compression spring 23, which likewise loads the hook member 8 in the direction of the blocking position Exerts torque.
  • the hook member 8 carries on its shaft side facing away from the tubular part 1 a cam 24 facing the end face 5 with the cam 22 and which has an oblique run-up surface 25 on the housing part side;
  • the end face 5 can have a corresponding bevel 26 in the region of the cam 22.
  • the ramp surface 25 and the bevel 26 cooperate in such a way that when the tube part is pushed back, these surfaces forming a stop 25, 26 come to rest and pivot the hook member 8 in a positive manner in the direction of its locked position; in the area of the rear end position of the tubular part 1, the cam 24 is located radially within the end face 27 of the cam 22 and is thus positively prevented from moving from its locked position.
  • the compression spring 23 or a corresponding, different type of spring can be omitted.
  • the hook member 8 on the hook part 9 has a run-on slope 28 which, when two line couplings to be coupled approach, can run against the pipe part of a mating coupling or a part connected to this pipe part and the hook part when the line couplings come closer 8 pivots from its locking position to the release position.
  • This function is advantageous if the pipe parts 1 are pushed back during a coupling process without the hook members 8 already being able to engage; the respective mating couplings then open the hook members 8 until they have approached so far that the hook members 8 are pivoted into the locking positions again in a force-locking or form-fitting manner by hooking the two pipe couplings.
  • Willison couplings the coupling profile of which, as can be seen from FIG. 4, is characterized in supervision by a hook-like, rigid pulling claw 29 and a prismatic, rigid pushing claw 30 which is laterally spaced apart, during the last coupling phase or
  • the housing part 4 experiences a relative movement in the arrow direction 31 relative to the housing part (not shown) of a mating coupling, that is to say essentially transversely to the longitudinal direction of the coupling corresponding approximately to the axial direction 6; during this transverse displacement, the pawl 30 of one clutch engages with the pawl 29 of the other clutch.
  • FIG. 1 the coupling profile of which, as can be seen from FIG.
  • the rotatable about the bolt 7 on the part of the pawl 30 on Pipe part 1 articulated hook member 8 has an extension 33 to the rear, which ends with a stop part 34, which is in the uncoupled idle state at a distance in front of the boundary wall 35 on the thrust claw side.
  • a spring 36 loads the hook member 8 in the direction of the locked position.
  • the tubular part 1 carries the cam 15. From Fig. 4 it is understandable that when the tubular part 1 is deflected towards the boundary wall 35, as occurs during the first movement phase in a decoupling process, the stop part 34 for contacting the Boundary wall 35 arrives and then rotates the hook member 8 in its release position.
  • the pipe part 1 is already unhooked from the corresponding pipe part of the mating coupling at the start of decoupling and the two pipe parts can separate.
  • the hook member 8 can be held solely by the spring 36 in a recess of the tubular part 1 which is open on one side towards the spring 36, with the bolt 7 not being shown, a stop being provided between the hook member and the recess , which prevents the hook link from being pulled out to the front. There is therefore no special fastening or storage for the hook member, which results in a particularly simple and inexpensive construction.
  • the automatic line coupling for rail vehicles has a pipe part (1) projecting in front of a housing part (4) in the uncoupled state; when coupling, this pipe part (1) can be moved back against spring force.
  • a hook member (8) is articulated on the tube part (1), which can be pivoted during coupling processes by running on the housing part (4) or on the housing part (4 ') of the mating coupling from a release position into a locking position or vice versa, in which it engages behind a hooking profile (16') of the tubular part (1 ') of a mating coupling.
  • the pipe parts (1 and 1 ') of two coupled couplings are mutually mechanically hooked.
  • the hooking of the pipe parts (1 and 1 ') is only dependent on the coupling condition, regardless of the pressure in the pipe parts.
  • the hook member (8) only moves during coupling or uncoupling processes. This ensures secure hooking of the pipe parts (1) in the coupled state and low wear of the hook member (8) and the parts interacting with it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
EP90118989A 1989-10-18 1990-10-04 Couplage de conduite automatique pour véhicules ferroviaires Expired - Lifetime EP0423548B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3934741 1989-10-18
DE3934741 1989-10-18
DE4009431 1990-03-23
DE4009431A DE4009431A1 (de) 1989-10-18 1990-03-23 Selbsttaetige leitungskupplung fuer schienenfahrzeuge

Publications (2)

Publication Number Publication Date
EP0423548A1 true EP0423548A1 (fr) 1991-04-24
EP0423548B1 EP0423548B1 (fr) 1993-04-21

Family

ID=25886220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118989A Expired - Lifetime EP0423548B1 (fr) 1989-10-18 1990-10-04 Couplage de conduite automatique pour véhicules ferroviaires

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EP (1) EP0423548B1 (fr)
DE (2) DE4009431A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658159A (en) * 1995-10-27 1997-08-19 Biw Connector Systems, Inc. Connector system and methods
WO1997034339A1 (fr) * 1996-03-15 1997-09-18 Biw Connector Systems, Inc. Connecteurs ameliores et procedes correspondants
WO1999032343A1 (fr) * 1997-12-18 1999-07-01 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Dispositif d'assemblage pour l'assemblage par enfichage d'une prise male et d'une prise femelle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1904513A1 (de) * 1968-12-06 1970-08-20 Mini Verkehrswesen Selbstverriegelnde Rohrleitungskupplung fuer Schienenfahrzeuge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1904513A1 (de) * 1968-12-06 1970-08-20 Mini Verkehrswesen Selbstverriegelnde Rohrleitungskupplung fuer Schienenfahrzeuge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658159A (en) * 1995-10-27 1997-08-19 Biw Connector Systems, Inc. Connector system and methods
WO1997034339A1 (fr) * 1996-03-15 1997-09-18 Biw Connector Systems, Inc. Connecteurs ameliores et procedes correspondants
US6030244A (en) * 1996-03-15 2000-02-29 Biw Connector Systems, Inc. Connectors and methods for their use
WO1999032343A1 (fr) * 1997-12-18 1999-07-01 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Dispositif d'assemblage pour l'assemblage par enfichage d'une prise male et d'une prise femelle

Also Published As

Publication number Publication date
EP0423548B1 (fr) 1993-04-21
DE4009431A1 (de) 1991-04-25
DE59001247D1 (de) 1993-05-27

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