EP3069951A1 - Bogie pour un vehicule ferroviaire - Google Patents

Bogie pour un vehicule ferroviaire Download PDF

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Publication number
EP3069951A1
EP3069951A1 EP16160113.3A EP16160113A EP3069951A1 EP 3069951 A1 EP3069951 A1 EP 3069951A1 EP 16160113 A EP16160113 A EP 16160113A EP 3069951 A1 EP3069951 A1 EP 3069951A1
Authority
EP
European Patent Office
Prior art keywords
bogie
guide
secondary spring
axis
rotation
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
EP16160113.3A
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German (de)
English (en)
Other versions
EP3069951B1 (fr
Inventor
Gerald Newesely
Gotthard Singer
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.)
Alstom Transportation Germany GmbH
Original Assignee
Bombardier Transportation GmbH
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Filing date
Publication date
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Publication of EP3069951A1 publication Critical patent/EP3069951A1/fr
Application granted granted Critical
Publication of EP3069951B1 publication Critical patent/EP3069951B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/08—Bolster supports or mountings incorporating rubber springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
    • B61F5/20—Centre bearings or other swivel connections between underframes and bolsters or bogies with springs allowing transverse movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • the present invention relates to a bogie for a rail vehicle with specially trained secondary spring and a rail vehicle having such a bogie.
  • Known bogies for rail vehicles have a bogie frame and at least two wheelsets.
  • the wheelsets are coupled to the bogie frame via axle bearings and usually primary springs.
  • known bogies that actually rotate over more than a few degrees have a so-called cradle, which is coupled to the bogie frame via secondary springs and further linkages.
  • a cradle is useful then used when the turnout of the bogie is so large that the secondary springs or the secondary suspension as such, the rotation angle of the bogie frame relative to a car body or car body base can not go along.
  • Solcherart designated large angle of rotation of, for example, greater than 6 ° occur, for example, at tight curve radii of U- and street and city railways.
  • Such bogies are rotatably connected to a car body or car body base usually by means of a so-called kingpin or a turntable.
  • the cradle is usually formed as a cross member, which is connected via the secondary springs to the bogie frame, in particular at its ends, and car body forces and moments accommodates.
  • the secondary springs are to allow the translation of the bogie relative to the car body along the vertical axis, whereas translations along the Wagenkastenquer- and Wagenkastenlhousachse are undesirable.
  • traction or push rods can be provided in the longitudinal or transverse direction, such as a Panhard rod.
  • the structure described above is structurally relatively complex.
  • An object of the present invention is to provide a bogie of simpler design and the goal of avoiding a cradle. At the same time, the suspension comfort provided by a secondary suspension should be maintained.
  • a Another object is to provide a bogie, with the relatively large angle of rotation - for example, in the range greater than 6 ° - are possible.
  • the local position (also: spatial position) of the secondary spring on the bogie frame is changeable.
  • the location position of the secondary spring is changeable relative to the bogie frame.
  • the secondary spring according to the invention is, as usual for a spring, in itself elastically deformable to achieve the spring action, in particular a suspension in the direction of a bogie or car body vertical axis.
  • the local position, or in other words the location or point of application, of the secondary spring on the bogie frame is changeable. In the change of local position / location / point of attack, the secondary spring is not moved or deformed in itself by compression / decompression, but changed entirely the position, location or point of application of the secondary spring on the bogie.
  • a secondary spring is arranged with bogie mounted between bogie and car body, especially between bogie frame and car body or car body base.
  • a secondary suspension is thus a suspension between bogie and car body.
  • the secondary spring is movable relative to the bogie frame, ie, the position of the secondary spring on the bogie frame or relative to the bogie frame is changeable.
  • the secondary spring can be moved along the bogie frame or the spatial position of the secondary spring can be changed along the bogie frame.
  • the secondary spring can be moved in the longitudinal direction and / or in the transverse direction on or relative to the bogie frame. Ie secondary spring can be changed in their position.
  • the spatial position can be changed by moving or rolling the spring (to another spatial position).
  • the spring can accordingly be displaceable or configured or arranged.
  • the secondary spring may be movable longitudinally and / or transversely relative to a carbody to which the bogie is coupled.
  • a movement of the secondary spring relative to the bogie frame in the longitudinal and / or transverse direction in particular the longitudinal direction and / or transverse direction with respect to the bogie frame is meant, ie the bogie longitudinal direction or bogie transverse direction.
  • With respect to a car body is meant by the longitudinal and / or transverse direction in particular the car body longitudinal direction and / or car body transverse direction.
  • the longitudinal direction or transverse direction of the bogie does not have to coincide with a longitudinal or transverse direction of the car body.
  • One aspect of the invention is that the point of application of the secondary spring on the bogie frame is changeable.
  • the introduction of force from the bogie frame into the secondary spring, or vice versa, can be done at different locations of the bogie frame, depending on where the secondary spring is positioned.
  • one or more of the described secondary springs may be present. If this description is made on the basis of a secondary spring, the case is always included in each case that several secondary springs are present.
  • Several secondary springs occupy different local positions on the bogie or bogie frame. These different local positions (also: location positions) can be changed on the bogie or bogie frame, in particular along different movement distances.
  • the bogie according to the invention can be accommodated to save space, which allows a reduction of mass, a simpler design of the vehicle-substructure in the bogie and thus better space for the vehicle interior in the bogie.
  • a transverse movement of the bogie relative to a car body can be absorbed by the secondary spring, as explained with reference to an embodiment.
  • the secondary spring can be deformed in the transverse direction. This can be achieved in particular advantageously with a secondary spring, which is spherical and / or made of elastomer.
  • a change in the local position or the position of the secondary spring on de or relative to the bogie frame not necessarily with every rotational movement of the bogie or absolutely necessary.
  • the secondary spring can be an initial local position corresponding to the local position when driving straight ahead of the vehicle, ie at the turn-off angle 0, maintained.
  • An inventive advantage is achieved in that at larger Ausfwinkeln the local position of the secondary spring is changed relative to the bogie frame. In particular, then the secondary spring is moved relative to or on the bogie frame in the longitudinal and / or transverse direction of the bogie frame, thereby changing the position of the secondary spring.
  • the position of the secondary spring or the position of the secondary spring relative to the bogie frame can be changed in particular along a circular arc.
  • the local position of the secondary spring is changeable in a circular path.
  • the path on which the position of the secondary spring is changeable is also referred to as the movement path.
  • a guide described elsewhere gives a path of movement, if any.
  • a circular arc-shaped movement path is particularly related to a circle center, which lies on an upwardly pointing axis of rotation of the bogie frame.
  • other geometric shapes or paths of movement of the secondary spring are conceivable, for example following the shape of a uniform thickness.
  • the movement paths are preferably such that a distance of the opposing secondary springs passing through the pivot point remains constant and the pivot point represents the center of this path.
  • the distance of the secondary spring to the pivot point of the bogie secondary spring base is called.
  • the secondary spring is slidable or rollable. Thereby, the local position of the secondary spring is changeable relative to the bogie frame.
  • the Secondary spring can thus be rollable along the bogie or the bogie frame.
  • a displaceability means that the secondary spring is completely displaceable. Thereby, the local position of the secondary spring is changeable relative to the bogie frame.
  • the secondary spring can thus be displaceable along the bogie or the bogie frame.
  • Rollability means that the secondary spring is fully rollable.
  • the secondary spring may be rolled or displaced along a path extending longitudinally and / or transversely of the bogie frame, particularly along a circular arc or arc segment-shaped path.
  • a rollable secondary spring is in particular spherical, cylindrical, conical, frusto-conical or polygonal. A combination of these forms is possible. Due to the geometric shape of a secondary spring, in particular a displaceable or rollable secondary spring, the operation of the spring can be influenced in terms of restoring action and Abrolleigenschaften.
  • the secondary spring elastomer or be formed of elastomer. If the secondary spring comprises elastomer, the resilient component of the spring, ie the component which is responsible for the spring action, is made of elastomer. Examples of elastomer are elastic plastic, such as rubber or synthetic rubber, etc.
  • the secondary spring in particular a displaceable or rollable secondary spring, can have a variable surface roughness and / or a variable surface texture, with which in particular rolling properties can be influenced.
  • the bogie has at least one guide, also referred to as a first guide, along which the secondary spring is movable.
  • the secondary spring is movable along the guide, in other words on a guide path in a direction which is transverse to a direction in which the spring compresses, is, and resets when it cushions the bogie against a car body.
  • the spring in the guide is movable in a direction which is transverse to a vertical direction, also referred to as Z-direction.
  • the first guide may be arranged or formed on the bogie frame. It can be stationary relative to the bogie frame.
  • the secondary spring slidable or rollable in / on the guide.
  • the secondary spring is translatable or rotatable along the guide.
  • the secondary spring can assume different positions in the guide.
  • the secondary spring can also assume various positions relative to the bogie frame by changing its position in / on the guide.
  • the guide forces the secondary spring to move when the location of the secondary spring or its location relative to the bogie frame is changed.
  • the guide may be in the form of a depression, in particular in the form of a groove or channel.
  • the guide may be in the form of a rail guide.
  • the guide may have one or more guide rails.
  • the guide is circular or part-circular, in other words circular arc-shaped, formed in its course.
  • an irregular, non-circular or composite shape of a guide is possible. This can be understood, for example, as a sequence of circular arc segments of different radii of curvature in the course of a guidance.
  • Non-circular or compound waveforms can serve to impose special counterforces by the forced rolling or moving tracks in the secondary spring according to the desired or expected restoring or lateral forces.
  • the bogie may have a plurality of first guides. Each of the guides performs the movement of at least one secondary spring.
  • first guides are arranged or formed on both sides of the longitudinal axis of the bogie.
  • two first guides are arranged in pairs and on both sides of the longitudinal axis of the bogie or formed, preferably symmetrically to the longitudinal axis of the bogie.
  • the mentioned guide has at least one rest position or a rest position range for the secondary spring.
  • a rest position range a plurality of concrete rest positions, which are preferably adjacent to each other, can be taken.
  • at least one rest position or a rest position range educated.
  • the rest position of the secondary spring is preferably the position in which the secondary spring is in straight ahead position of the bogie (zero turning angle) or should be.
  • the guide is in particular designed so that after changing the local position of the secondary spring within the guide, for example when turning the bogie, the rest position when re-turning the bogie, so when reducing the Ausduswinkels, is taken by the secondary spring again.
  • the guide can be designed so that when turning the bogie and / or screwing back the bogie in straight ahead position, a restoring force is exerted on the secondary spring, through which the secondary spring is brought into the rest position or brought back into the rest position when the bogie in the straight-ahead direction turns back.
  • the rest position for the secondary spring may in particular be formed in a region which lies centrally on the entire length of the guide. According to the invention, the rest position range is also referred to as a nominal range, and a rest position is also referred to as a nominal position according to the invention.
  • the guide is in the form of a depression, in particular in the form of a groove
  • the depression in particular the groove
  • the guide has at least one low point or low point range.
  • the at least one low point or low point region preferably represents the above-mentioned at least one rest position or the rest position range of the secondary spring.
  • a depression in particular a groove
  • oblique regions Adjacent to the or the low point region, preferably mentioned oblique regions are arranged or formed, wherein the oblique regions starting from the low point or the low point region are increasing, ie the depth of the guide is reduced.
  • the different depths, especially in oblique areas can serve to impress restoring forces on the secondary spring.
  • the restoring force ensures a return of the secondary spring in the rest position.
  • the restoring force is a counterforce which is applied with the rotation of the bogie on the secondary spring and serves for the purpose of resetting in a nominal area.
  • an increasing restoring force is applied to the secondary spring, for example, by increasing compression of the secondary spring due to the decreasing depth of the recess, in particular decreasing groove depth.
  • the restoring force which increases with increasing rotation, ensures that the secondary spring resumes the nominal position. A relocation of the secondary spring in one or the other transverse direction is thereby avoided or largely avoided.
  • a guide which is arranged or formed on the bogie.
  • This guide is also referred to as "first guide” according to the invention.
  • a second guide may be present along which the secondary spring is also movable.
  • the secondary spring is rollably or displaceably mounted in / on the second guide or guided in the second guide.
  • the second guide is arranged or formed on a body of the rail vehicle, in particular on a substructure.
  • the second guide may be as well as the first guide, with reference to the foregoing description of the first guide.
  • the first guide and the second guide may form a guide pair, in which the secondary spring is guided.
  • the first and second guides may define a path of travel for the secondary spring on or along which the secondary spring is movable. In particular, the first and the second guide can largely or partially surround the secondary spring.
  • the mentioned second guide preferably guides the secondary spring from above and the first guide preferably guides the secondary spring from below.
  • the first guide partially surrounds the secondary spring from below and the second guide engages around the secondary spring partially from above, which is particularly the case when the first and the second guide as recesses, in particular as guide grooves, are formed.
  • a gap is preferably formed between the first guide and the second guide.
  • the width of the gap, or the distance between the guides, can define a maximum travel in the vertical direction.
  • the first guide may be an upwardly open channel and the second channel may be a downwardly open channel.
  • the first guide and the second guide in the straight ahead position of the rail vehicle, ie when the turn-off of the bogie is zero, mirror-symmetrical to each other or substantially mirror-symmetrical.
  • the second guide may have at least one rest position or at least one rest position range for the secondary spring. Further, the second guide may have mentioned areas in which the depth of the guide changes, preferably continuously changes.
  • the disclosure of the first guide is referenced, which can be used in an analogous manner for the second guide.
  • the first and the second guide may be mirror-symmetrical or substantially mirror-symmetrical to each other.
  • At least two secondary springs, at least two first guides and at least two second guides are provided.
  • a first guide and a second guide may form a first guide pair, and the further first guide and the further second guide may form a second guide pair.
  • the first guide pair carries a first secondary spring and the second guide pair carries a second secondary spring.
  • the first guides and the second guides preferably form a circular arc-shaped guide path.
  • a plurality of secondary springs may be arranged or formed around a fulcrum or a rotation axis of the bogie.
  • Several Secondary springs may be equidistant from the pivot point or axis of rotation of the bogie. It is possible in a further variant of the invention to provide one or more pairs of secondary springs, wherein in a pair of two secondary springs are symmetrical to the axis of rotation of the bogie, ie they are at an angle of 180 ° about the axis of rotation opposite each other.
  • the bogie has at least one pair of two secondary springs and a coupling element, via which the two secondary springs are coupled together.
  • the coupling element By the coupling element, the two secondary springs are defined in their position to each other, in particular brought into a symmetrical position described above to the axis of rotation of the bogie.
  • the coupling element may be formed so that one or more adjacent secondary springs are coupled together.
  • a coupling element has in one embodiment, a coupling rod and two attachment points or bearings, in particular bearing elements, for each a secondary spring.
  • a mentioned coupling rod may have a straight shape or a cranked or single or multiple angled shape.
  • a cranked or single or multiple angled shape is advantageous if in the area between the bogie side frame in the vehicle interior, a passage area for passengers down to height level is just above the axis.
  • each of the secondary springs is rotatable about an axis of rotation which passes through the secondary spring.
  • This embodiment is particularly advantageous in a rollable secondary spring.
  • a coupling element mentioned is rotatable about a vertical axis of rotation.
  • This axis of rotation is preferably identical to the axis of rotation of the bogie.
  • the axis of rotation about which the coupling element is rotatable may be a virtual axis of rotation or it may be an objective axis of rotation.
  • This embodiment may in particular be associated with the feature that two secondary springs coupled by the coupling element are brought by the coupling element into a symmetrical position with respect to the mentioned axis of rotation. It is thus possible, the movement of the coupled secondary springs symmetrical to the axis of rotation, in order the coupling element is rotatable, in particular to the axis of rotation of the bogie to lead.
  • the coupled secondary springs are arranged rotationally symmetrical to the axis of rotation.
  • the coupled secondary springs are opposite each other with respect to the axis of rotation.
  • the invention relates to a rail vehicle having a bogie as described above.
  • the rail vehicle may in particular comprise a second guide already described, which is arranged or formed on a substructure or under a car body of the rail vehicle.
  • the rail vehicle is in particular a tram, a light rail, a rapid-transit railway, a commuter train, a long-distance train or a module or wagon thereof.
  • connection of the bogie according to the invention to a car body or a substructure or vehicle substructure of a rail vehicle can take place in various ways.
  • connection via a kingpin or a turntable both of which are known from the prior art, can be selected.
  • connection points also referred to as interfaces of the traction rods on the bogie, are advantageously designed as elastic bearings.
  • the bogie 1 in Fig. 1 has the bogie frame 2, which has two longitudinal members 3, 4. At the end of the longitudinal members 3,4, the wheels 7a, 7b, 7c and 7d bogie frame 2 are articulated.
  • the wheels 7a, 7b form a wheel set and the wheels 7c and 7d form a wheel set, wherein the elements 5, 6 can be pronounced either as a physical rotating axle connecting the wheel pairs 7a, 7b and 7c, 7d or as a gantry axle.
  • the bogie has a further X-shaped cross member assembly 8, which is arranged in the central region of the bogie and whose purpose is to avoid Angular and positional offset in the longitudinal direction of the two outer bogie frame (central portions 11, 12) to each other.
  • a cross member arrangement X is to prevent the formation of a parallelogram of the two outer bogie frames 3 and 11 or 4 and 12.
  • the first guides 9, 10 are arcuate guide grooves, which are formed in thickened central portions 11, 12 of the longitudinal members 3, 4.
  • the longitudinal members 3, 4 may each be formed in several parts, i. the middle sections 11, 12 can be used as separate components.
  • the already mentioned X-shaped cross member 8 connects the central portions 11, 12 with each other.
  • first guides in each of the first guides in each case a spherical secondary spring 13, 14 is movably mounted.
  • the secondary springs 13, 14 are made of elastomer, such as rubber or synthetic rubber, and rollable along their respective guide path in the guide.
  • the secondary spring 13 is rollable along the path of the guide 9 and the secondary spring 14 is rollable along the path of the guide 10.
  • first with respect to a guide refers to the fact that the so-called guide is arranged on the bogie 1.
  • So-called second guides refer to guides on the side of the car body or car body substructure, as based on the Fig. 2 still described.
  • Fig. 1 the longitudinal axis L1 of the bogie 1 is indicated by a dashed arrow. Similarly, the transverse axis Q1 of the bogie 1 is located.
  • the axes L1 and Q1 are symmetry axes and center axes in this case.
  • Fig. 1 are the secondary springs 13, 14 in nominal position or in its rest position and the bogie 1 should respect to a in Fig. 1 Carriage not shown in the zero position, ie at a turn-off angle 0, about the axis of rotation D, which is also shown in dashed lines are.
  • the axis of rotation D is also referred to as a vertical axis or Z-axis.
  • the central longitudinal axis L1 is also referred to as X-axis and the center transverse axis Q1 as Y-axis.
  • the secondary spring 13 in the dashed line indicated position 13 ' is rolled and the secondary spring 14 is rolled into the position 14'.
  • a movement of the secondary springs 13 in the guide 9 and the secondary spring 14 in the guide 10 is not mandatory.
  • the positions 13 'and 14' do not necessarily have to lie opposite each other with respect to the axis of rotation D. That the movement distance of the spring 13 to the position 13 'need not be identical to the movement distance of the spring 14 to the position 14'. However, this can be achieved with a coupling element described below.
  • the nominal position of the secondary spring elements 13, 14 is in the straight ahead position of the bogie 1 on the transverse axis Q1. Upon rotation of the bogie, the position of the secondary springs 13 'and 14' deviates from the now reoriented transverse axis Q1 'from.
  • the first traction rod 15 is pivotally connected to the bush 17 about the rotational axis D of the bogie 1 articulated.
  • the traction rod 15 is also easily rotatable about the transverse axis Q1, which is realized, for example, with an ultra bush with elastomer bearing.
  • the traction rod 15 is articulated on a carriage body, not shown, for example, a substructure crossmember.
  • the traction rod 15 is pivotable about the transverse axis Q2, which is parallel to the central transverse axis Q1 of the bogie 1.
  • the bushing 18 is designed with an elastomeric bearing to realize a slight freedom of movement around other spatial axes or to allow other rotational degrees of freedom to a small extent. Due to the pivoting of the traction rod 15 about the axis Q2 a translation of the bogie 1 is up or down allows, ie in the direction of the axis D.
  • the traction rod 15 is adapted to transmit longitudinal forces.
  • the traction rod 16 transmits lateral forces.
  • the traction bar 16 is on one end with the sleeve 19 on the bogie frame 2, hinged in this case on the cross member 8.
  • the traction rod 16 is rotatable about the central longitudinal axis L1.
  • the bushing 17 of the first traction rod 15 and the bushing 19 of the second traction rod 16 are coupled to each other and immovable relative to each other, on the one hand to allow a friction-free as possible side of the coupling and on the other hand to limit the transverse movement as best as possible.
  • this is a simple realization of the storage around the axis of rotation, here socket 17, allows.
  • the traction rod 16 is rotatable about the longitudinal axis L2, which is parallel to the central longitudinal axis L1 of the bogie.
  • rotations about other spatial axes are possible to a small extent, by elastomeric storage.
  • the spatial axis L1 moved away from the axis L2, until the traction rod 16 occupies a horizontal position during deflection (with knowkiter movement of the traction rod 16 down L1 and L2 move back towards each other). It is exerted on the bogie a lateral force in the direction of Q1, which is transmitted from the car body via the traction rod 16 on the bogie.
  • This transverse force results in a small transverse displacement of the bogie obliquely left above in Fig. 1 ,
  • This transverse movement and the corresponding transverse force can be absorbed by the secondary spring elements 13, 14, which are deformed not only in the vertical direction but also in the direction of the transverse movement, in a combined movement.
  • the spring constant is the same size in each spatial direction due to the spherically symmetric shape. So in the transverse direction, a suspension in the same way as vertical direction.
  • Fig. 2 is one of the first guides 9, 10 shown in cross section.
  • the reference numeral 9 is selected at this point.
  • the guide 9 is designed as a guide channel, in which the spherical and elastic secondary spring 13 is mounted rollably.
  • the secondary spring 13 is compared to Fig. 1 shown slightly larger and the guide 9 shorter.
  • the guide trough 9 has different depths.
  • the deepest area is formed by the so-called rest position area R.
  • the oblique areas S1 adjoin.
  • the guide groove 9 extends in a circular arc approximately parallel to the longitudinal direction L1, of course, the parallelism decreases starting from the rest position range R in both directions due to the curvature of the guide 9.
  • a second guide 21 is shown, which is also designed as a guide groove and mirror-symmetrical to the guide groove 9.
  • the guide channel 21 has a rest position range R 'and oblique ranges S1 and S2' on both sides of the rest position range R 'with different inclinations.
  • the guide trough 21 is circular arc-shaped.
  • the spring action of the secondary spring 13 is achieved in that, since it consists of elastomeric plastic, is compressible when the bogie 1 and the base of the vehicle are relatively moved toward each other. In relative disassembly, the secondary spring ball 13 is decompressed again.
  • a limiting mechanism which limits a relative movement apart of the substructure of the vehicle and the bogie 1. Shown is in Fig. 2 a mechanism of two limiting rods 24, 25 which are articulated to each other via the joint 26 and in turn are articulated via joints 27 and 28 respectively either on the bogie, here on the longitudinal member 3, or on the substructure, here on the substructure carrier 23.
  • Fig. 3 an alternative embodiment is shown, are carried out in the secondary springs 30, 31 in the form of cylindrical rollers.
  • the rollers are shown in perspective slightly distorted, as in this view from the top their faces would not actually be seen.
  • the rollers 30, 31 are made of elastomeric material.
  • the secondary spring 30 is guided in a guide groove 32, which has the width of the secondary spring 30.
  • the secondary spring 31 is guided in the guide groove 33, which is as wide as the secondary spring 31.
  • the guide grooves 32, 33 are circular arc-shaped.
  • the guides 9 and 10 are the circular arc-shaped guides 32 and 33 related to a circle center, which lies on the axis of rotation D, in the Fig. 3 in the direction of the viewer perpendicular to the plane of the drawing.
  • the secondary springs 30, 31 form a secondary spring pair and are coupled to the coupling element 34.
  • the coupling element 34 has the coupling rod 35 and the frame 36, 37, which are respectively attached to the ends of the coupling rod 35.
  • the secondary spring 31 is rotatably mounted on the rotation axis 38 on the frame 36 and thus rotatably supported on the coupling element 34 via the rotation axis 38.
  • the storage is shown only schematically.
  • the axis of rotation 38 is located on the rotational symmetry axis of the secondary spring element 31.
  • the secondary spring 30 is rotatably mounted on the axis of rotation 39 about this axis on the frame 37 and thus on the coupling element 34.
  • the coupling element 34 itself is rotatable about the axis of rotation D, which is in the viewing direction of the viewer and perpendicular to the plane of the drawing.
  • the coupling rod 35 is articulated via the hinge 40 to the bogie frame 2.
  • the secondary springs 30, 31 are brought into a clearly defined position to each other.
  • the relative position to each other remains the same, regardless of whether the bogie rotates, by what angle it turns off or whether it does not turn out.
  • the coupling element 34 is designed in this embodiment so that the secondary springs 30, 31 with respect to the axis of rotation D face each other.
  • the axis of rotation D is in this example, the axis of rotation of the bogie 1, the analog in Fig. 1 is shown.
  • the position of the secondary springs 30, 31 after rotation of the bogie by a certain angle is in Fig. 3 shown.
  • the viewer's gaze falls from above onto the bogie, which is not shown further in this figure but to which the guides 32 and 33 belong.
  • the secondary spring 30 is moved to the position 30 'within the guide 32 and the secondary spring 31 in the position 31'. If displayed correctly, the guides 32, 33 would have to be rotated relative to the position shown here. However, it results in the relative position of the secondary springs 30 'and 31' to the guides 32, 33, in the Fig. 3 is shown.
  • the coupling element 34 the secondary spring elements 30 'and 31' remain unchanged in their relative position to each other.
  • a defined position of the secondary springs can be obtained by a coupling element to each other.
  • the invention generally also allows coupling elements that couple together a plurality of secondary springs which are guided within a same guide.
  • Fig. 4 shows a side view of the coupling element 34 Fig. 3 , The reference numbers are chosen identically.
  • Fig. 4 also shows an alternative embodiment of a coupling rod 41.
  • the coupling rod 41 shown as an alternative embodiment to the coupling rod 35 by dashed lines, shows a cranked coupling rod instead of a straight coupling rod.
  • Fig. 5 shows an alternative arrangement to coupling elements, which consists of Fig. 1 are already known, in which case the coupling elements a "virtual fulcrum" about rotation axis D according to Fig. 1 form and allow the same functionality of the suspension according to the invention.
  • Fig. 5 shows an alternative arrangement of tie rods, or their elements in Fig. 1 designated by the reference numerals 15-20.
  • two mirror-symmetrical about the longitudinal axis L1 equal dimensioned angle elements 50, 51, rotatably connected to each outer bogie frame (middle sections 11, 12).
  • the angle elements 50, 51 are articulated via the sockets 63, 64 which are located at the apex of the angle to the central portions 11, 12 of the bogie and are rotated at each rotation of the bogie in each case a vertical axis through the bushing 63 and 64 runs.
  • the two angles 50, 51 are connected transversely to one another with a transverse connection 54 mounted rotatably about a vertical axis of rotation D.
  • the angle legs 55, 56 are the two angles 50, 51 connected to a rotatably mounted about a vertical axis of rotation longitudinal connection 57, 58, connected to the sockets 60, 62 to the car body.
  • All of the bushes 59, 60, 61, 62 used here are understood as pivot bearings in elastomeric bedding which, in addition to the intended pivot bearing, also permit movements through the elastomer element in other directions. This functionality is referred to by the term "ultra-jack”.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
EP16160113.3A 2015-03-20 2016-03-14 Bogie pour un vehicule ferroviaire Active EP3069951B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015205085.8A DE102015205085B3 (de) 2015-03-20 2015-03-20 Drehgestell für Schienenfahrzeug

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EP3069951A1 true EP3069951A1 (fr) 2016-09-21
EP3069951B1 EP3069951B1 (fr) 2020-09-30

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EP (1) EP3069951B1 (fr)
DE (1) DE102015205085B3 (fr)
ES (1) ES2833538T3 (fr)
RU (1) RU175746U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111824197B (zh) * 2020-07-28 2024-08-30 中车工业研究院有限公司 径向转向架及轨道车辆

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012782A1 (de) * 1980-04-02 1981-10-08 Waggonfabrik Uerdingen AG, Werk Düsseldorf, 4000 Düsseldorf Schienenfahrzeug mit sekundaerfederung
CH641104A5 (en) * 1978-10-21 1984-02-15 Maschf Augsburg Nuernberg Ag Suspension for rail vehicles with bogies
DE29800837U1 (de) * 1998-01-19 1999-05-20 Brodthage, Dieter, 22417 Hamburg Drei- und fünfachsiges Eisenbahn-Motor/Lauf-Gestell

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10360516C5 (de) * 2003-12-22 2010-12-16 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Vorrichtung zur Sekundärfederung eines Wagenkastens bei einem Schienenfahrzeug mit einem aktiven Federelement
DE102011055867A1 (de) * 2011-11-30 2013-06-06 Bombardier Transportation Gmbh Schraubenfedereinrichtung für ein Fahrzeug
DE102012105310A1 (de) * 2012-06-19 2013-12-19 Bombardier Transportation Gmbh Fahrzeug mit einer Federeinrichtung mit vorgebbarer Querfedercharakteristik

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH641104A5 (en) * 1978-10-21 1984-02-15 Maschf Augsburg Nuernberg Ag Suspension for rail vehicles with bogies
DE3012782A1 (de) * 1980-04-02 1981-10-08 Waggonfabrik Uerdingen AG, Werk Düsseldorf, 4000 Düsseldorf Schienenfahrzeug mit sekundaerfederung
DE29800837U1 (de) * 1998-01-19 1999-05-20 Brodthage, Dieter, 22417 Hamburg Drei- und fünfachsiges Eisenbahn-Motor/Lauf-Gestell

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ES2833538T3 (es) 2021-06-15
RU175746U1 (ru) 2017-12-18
EP3069951B1 (fr) 2020-09-30

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