DE2015969A1 - Transfer line coupling for rail vehicles - Google Patents

Description

Weddings ₅ den 13 »3.1970 F-Le / ma

2Q15969

KHOEE-BHEHSE KG. , Berlin and Munich, Munich

Transfer line coupling for rail vehicles.

The invention relates to a transition line coupling on one equipped with a hook pull coupling Rail vehicle for the optional coupling of a pipeline connection to a shell-type air coupling which is to be coupled by hand and has radially projecting locking guides equipped rail vehicle or to a - a rail vehicle equipped with a central buffer coupling, with the central buffer coupling on its underside one arranged in: an air coupling duct, self'-, active line coupling with a mouth lying approximately in the coupling plane, covered by a protective flap deflectable against spring load and at most partially surrounded in front of guide wings.

For the changeover time of the vehicle fleet of the European Railways from the previous, hook-on, to the intended one "Central buffer coupling - the problem occurs with the pipelines of vehicles with hook and with central buffer couplings

09843/0759

to be able to combine mixed with each other. Various devices have already become known which a connection of the pipeline of a rail vehicle, which to its hook coupling with a provided by hand to be coupled shell air coupling is, with the pipeline one with an automatic central buffer coupling and accordingly with an automatic Enable line coupling provided rail vehicle.

It is known, for example, from French patent specification 89 762, the pipeline of a vehicle to forks with hook coupling near the vehicle ends and the fork ends over separate ones To connect shut-off cocks with a shell air coupling of the previous design and with a molded part, which tight by hanging in the central buffer coupling head can be connected to its automatic line coupling. However, this device has the defect that there are at least two per vehicle end and per pipeline Shut-off cocks, two hose lines and also those designed as a shell air coupling or as a molded part, actual coupling elements are required, while only half of these are required to connect the pipeline Facilities is required. The large number of coupling elements restricts the operating personnel during the Coupling work and can, especially if the vehicle has several pipelines, to difficulties in its placement and to confusion give.

With the Austrian patent application A 11 334-67 became known, the hose line from the rail vehicle carrying the hook coupling via a shell air coupling conventional design to connect with the couplable with the automatic line coupling molded part. The rail vehicle then only needs one stopcock and one

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BATH ORIGINAL

To have hose lines at each end of the vehicle and for each pipeline; the joining of the pipe is, in case the to be coupled to the vehicle, an automatic line coupling: wherein "on the molded part and, if the to be coupled vehicle according separating de c has a Shell air clutch shell air coupling between tubing and fittings by connecting the shells air coupling of Hose line with that of the vehicle to be coupled is possible Each coupling process can therefore, depending on the equipment of the vehicle to be coupled, require several individual coupling operations In two rail vehicles equipped with this device, only the shell air couplings are used; on both rail vehicles the molded parts are superfluous, but components that can be safely and securely housed.

The molded part is in his transition line coupling coupled state with an automatic line coupling by means of holding lugs on this or with this connected parts held. If the tensile force coupling provided for the transmission of the tensile forces comes loose, you can Excessively high tensile stresses occur in the transition line coupling that remains coupled, which can lead to destruction the transition line coupling, in particular, can lead to the hose line tearing.

The invention is based on the object of a transition line coupling of the type specified at the outset in such a way that that it meets all the requirements and avoids the shortcomings of the known device, that is, that only a few, ■ '".-.

109843/0759

Components that are easy to accommodate and easy to use are required, and no unneeded components in the coupling state There are components and no additional coupling work has to be carried out during the coupling process. In the further the transition line coupling to be created should offer the possibility of using it in the event of excessive tensile stresses to be able to design self-separating

This object is achieved according to the invention in that the transition line coupling has a substantially cylindrical coupling head connected via a hose connection to the pipeline to be coupled with a sealing element surrounding the mouth of the transition line coupling perpendicular to its axis, which is radially projecting diagonally opposite having arms whose outer ends in the state coupled with an automatic line coupling to ^ in Auseparungen the central buffer coupling engage and j with respect to the central buffer coupling, the front boundary surfaces rest against these recesses in at least approximately equal to the axis of the coupling head height position, that the one arm medium in its Area carries a protruding stop in the direction of the mouth of the transition line coupling, on whose side surface facing away from the mouth, in the state coupled with the automatic line coupling, the protective flap under its .iederbelas environment is that the other arm has a substantially parallel to the axis of the coupling head stop surface which rests in the mentioned state on a side wall of the recess receiving the end of this arm, and that the coupling head offset to the arms in the direction of the mouth two! in their shape and arrangement essentially carries closing guides corresponding to the closing guides of a shell air coupling.

109843 / Q759

SAD ORJGiNfAL

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To ensure the correct position of the transition line coupling in To secure their coupled state with an automatic line coupling, it can "according to the further invention be useful if at least the one with the stop surface provided arm carries a vertically downward protruding approach, which in with an automatic line coupling coupled state on a lower boundary wall of the recess receiving the end of this arm ; lies.

.If according to the further invention, the end of the viewing surface supporting arm in its cooperating with the front boundary surface area a related on the mouth, obliquely outwards-forwards, back v / ärt If excessive tensile stress occurs, the transition line coupling can disengage from the stop surface in-'der "hose connection · loosen automatically.

The automatic loosening of the transition line coupling when Occurrence of excessive tensile stress in the hose connection is facilitated according to the invention when the Hose connection opens into the coupling head at an angle. Included at the same time results in a favorable location and design of the Hose connection.

An exemplary embodiment of the subject matter of the invention is shown schematically in the drawing, namely FIG. 1 a plan view and FIG. 2 is a rear view, the respective Interesting parts of a central buffer coupling or automatic line coupling indicated by dash-dotted lines are..

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^0Fif GlNAL

A hose connection 1 essentially leads from a pipe to be coupled, not shown cylindrical coupling head 2, in the rear wall 3 of which it opens inclined to the axial direction 4- of the housing 2. in the Coupling head 2 is axially displaceable as a tubular part 5 stored, which protrudes on the front from the Euppelkopf and with a sealing ring 6, which the termination surrounding the automatic transition line coupling ends. The dome head carries 2 diagonally near its rear wall opposite two radially projecting arms 7 and 8. The arm 7 is provided with a shoulder 9 near its end. On the side facing the mouth is the Arm 7 in its middle section with a projecting stop 10 with an outwardly facing disc surface 11 Mistake. The arm 8 is bent obliquely forward and near its end with a substantially to the axis 4-des Dome head 2 parallel stop surface 12 is provided. Subsequently to the stop surface 12, the arm 8 points up to at its outer end a rear contact surface which runs obliquely forwards and outwards in relation to the mouth 13 on. The front of the arm 8 bears near the outer end a, based on the mouth at an angle outside rearwardly inclined front surface 14. The dome head carries the arms 7 and 8 offset in the direction of the mouth diagonally opposite two locking guides protruding radially and forwards I5 and 16, which correspond in their design and arrangement to the closing guides of shell air couplings.

In the drawings, a central buffer coupling and its automatic reveal coupling is shown in dash-dotted lines shown in the parts of interest, so that from the drawings with an automatic line coupling coupled state of the transition line

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ORIGINAL BATHROOM

clutch is removable. With the reference number 17 is a Eupplungsrohr the automatic line coupling referred to, the mouth of the sealing ring 6 with tight the pipe part 5 is connected. The reference symbols 18 designate guide wings of the automatic line coupling which are designed and arranged in the usual manner. The closing guides 15 and 16 of the transition line coupling grip in the coupled state z; visehen the guide wings 18 a. By appropriate form. Exercise of the edge zones of the closing guides 15 and 16 can as a result, the coupling head 2 is centered for the automatic line coupling. The automatic wire, The coupling is arranged in the air coupling duct 19 of the central buffer coupling. On the one hand is the air coupling duct 19 through a wall 20 with a recess 21 for the passage of a protective flap 22 is provided. The protective flap 22 is in the usual manner, not shown here at its rear end pivotable about a vertical axis "." stored ^ in the uncoupled state it swivels under spring load in front of the coupling tube I7 and covers its mouth away. The arm 7 engages with its outer end in the recess 21 and rests against the front boundary surface 23 of the recess 21. Paragraph 9 is in -. ■■ a certain distance s from the wall 20. The protective surface 22 is in its swiveled-out position and lies with its side facing the coupling tube I7 Limitation under their spring load on the side surface 11 at. The protective flap 22 thus holds the coupling head 2 in his by contacting the stop surface 12 of the arm 8 a lateral boundary surface 24 · a recess 25 in one the air coupling channel 18 on the other hand limit-, the side wall 26 specific position. The outer end of the arm reaches behind the side wall 26 and lies; with the contact surface 13 - on the front boundary surface 27 of the * Aus

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saving 25.

For decoupling, the coupling head 2 is moved in the direction of the side wall 20, the protective flap 22 being carried along against its spring load via the stop 10 until the shoulder 9 comes to rest against the side wall 20. After this displacement, the arm 8 can be removed from the recess 25 past the wall 24 according to FIG. 1 to the left and then removed the entire transition line coupling from the automatic line coupling or the central buffer coupling.

For coupling, the transition line coupling is led diagonally from the side of the side wall 26 to the automatic line coupling; the stop 10 comes into contact with the protective flap 22 and swings it away from the mouth of the coupling tube 17. The outer end of the arm 7 is then inserted into the recess 21 and the arm 8 is pressed with its front surface 14 against the side wall 26. Due to the inclined arrangement of the front surface, the transition line coupling is displaced in the direction of the side wall 20 until the arm 8 can enter the recess 25 with its outer end past the surface 24. The coupling then decreases after a slight displacement in the direction of the side wall 26 under the force of the spring loading of the protective flap 22, _rf 4ie from Fig. 1 a position shown.

If excessive tensile forces occur on hose line 1, causes the inclined arrangement of the contact surface a lateral displacement of the coupling head 2 in the direction to the side wall 20 until the arm 8 emerges from the recess 25 able. The inclined confluence of the hose line 1 in the coupling head 2 results in addition to

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BATH ORIGINAL

A tensile stress on the coupling head 2. acting torque which attempts to rotate in the clockwise direction in the view of FIG. 1. The load on the arm 8 is increased as a result and the transition line coupling is reliably disengaged if the tensile stress on the hose line 1 exceeds a certain limit value. '.

To fix the height of the coupling head 2 ,, can it can be useful if the arm 8 is close to the stop surface 12 has a vertically downward protruding shoulder 28 which, when coupled to the central buffer coupling, is on the lower delimiting wall 29 of the recess 25 rests. .--., ._

For coupling with a rail vehicle which is equipped with a Shell air coupling of the usual type is equipped the coupling head 2 with the sealing ring 6 is pressed against the mouth of the shell air coupling and then rotated; the closing guides 15 and 16 with the closing guides the shell air coupling engage. . The coupling process takes place here exactly in the. Shell air couplings of the usual type.

By means of the closing guides 15 and 16 there are also two Coupling heads 2 of two transition line couplings with one another The locking guides 16 of both coupling heads can be coupled like the closing guides of two scarf eii air couplings effective and come into mutual engagement.

The automatic line coupling can, as in! "Fig. 2 under the reference numerals 30 and 31 indicated, with devices " be designed for the coupling of two further lines.

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VAGINAL

as is the case with the currently planned central buffer couplings and automatic line couplings is common. The coupling devices of the automatic line coupling are arranged vertically one above the other; for coupling with the coupling tube, which is arranged at a medium altitude 17, the coupling head 2 described above is well suited. But if it is with the one at the lowest point Device 31 is to be coupled, the accommodation can the closing guide 16 cause difficulties. In such a case, it can be useful to use the closing guide 16 to be rigidly connected to the arm 8 in a position that is offset relative to the arm 8 by approximately 118 ° and the two parts ^ closing guide 16 and arm 8 ~ like together around the Axis 4 to be rotatably mounted on the coupling head 2. When coupling with an automatic line coupling, the locking guide 16 can then be rotated with the locking guide be brought to cover the situation in which they are not Coupling process with an automatic line coupling standing in the way. When covering the position of the two closing guides 15 and 17, the arm 8 protrudes diametrically to Arm 7 from the coupling head 2. If such a transition line coupling with a shell air coupling or a similarly designed transition line coupling coupled the closing guide 16 is to be rotated back to its original position; the Afm 8 v / ird ^ thereby around the axis 4 to the Arm 7 turned towards. This results in the advantage that in the coupled state the arms 7 and 8 are only approximately protrude in one direction from the coupling head 2 and thus the prescribed dimensions due to the small footprint of the coupled couplings can easily be adhered to. This applies in particular to the ground clearance that must be maintained of the vehicle, since the coupled couplings in this training do not have a vertically downward protruding arm or Approach more.

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Claims (6)

- ι · - imacieu, aeu P-Le / ma ■ -927- Patent a η s ρ r ü c h e 1. Transition line coupling on a rail vehicle equipped with a .Haken Zugkup- "plung for the optional coupling of a pipe connection -au a with a vori hand to be coupled, radially projecting locking guide having shell air coupling or a rail vehicle equipped with a central buffer coupling Rail vehicle, with the central buffer coupling on its underside having an> ■■■ automatic line coupling located approximately in the coupling plane, covered by a protective flap that can be deflected against spring load and at most partially surrounded by miter blades, mouth, which is arranged in an air coupling channel, characterized in that the transition line coupling an essentially cylindrical coupling head (2) connected to the pipeline to be coupled via a hose connection (1) with a sealing element (5j 6) surrounding the mouth of the transition line coupling perpendicular to its axis (4) eist, which has diagonally opposite radially projecting arms (7 and 8), the outer ends of which, when coupled with an automatic line coupling, engage in recesses (21, 25) of the central buffer coupling and, in relation to the central buffer coupling, the front boundary surface (23, 27) , abut these recesses in at least approximately equal to the axis of the coupling head altitude * that the one arm (7) ^ ⁿ its central portion a projecting towards the mouth of the transition line coupling stop (10), on which the estuary side facing away from surface ( 11) in the state coupled with the automatic line coupling, the protective flap (22) rests under its spring load so that the other arm (8) has a stop surface (12) which is essentially parallel to the axis of the coupling head and which, in the stated state, is attached to a side wall ( 24) the recess (25) receiving the end of this arm rests, and that the dome head to the Ariuen in Ri Attention to the muzzle offset by two closing guides (15 and 16) which essentially correspond in their shape and arrangement to the closing guides of a shell-type air coupling. 10-9 8-4 3/075 9 2. Transition line coupling according to claim 1, characterized characterized in that at least the arm (8) provided with the stop surface (12) has a perpendicular downwardly projecting shoulder (28), which in with an automatic line coupling coupled state on a lower boundary wall (29) receiving the end of this arm Recess (25) rests. 3 · transition line coupling according to claim 1 or 2, W characterized in that the end of the Stop surface (12) carrying arm (8) in its cooperating with the front boundary surface (27) Area a rearward one that runs obliquely outwards and forwards in relation to the mouth Has stop surface (15). 4. transition line coupling according to claim 1, 2 or 3, characterized in that the hose connection (1) inclined to the axis (4) opens into the coupling head (2). . 5 · Transition line coupling - after one or more of the preceding claims, characterized in that that a closing guide (16) rotatably mounted about the axis (4) of the coupling head (2) by approximately 180 ° is. 6. Transition line coupling according to claim 5 »characterized in that an arm (8 _{) is rotatably mounted together with the closing guide (16) about the axis (4) r of} the coupling head (2). 109843/0759 BAD ORIGINAL IS Lee rse i te