EP3046823A1 - Anbindung einer sekundärfeder an einen wagenkasten - Google Patents
Anbindung einer sekundärfeder an einen wagenkastenInfo
- Publication number
- EP3046823A1 EP3046823A1 EP14781850.4A EP14781850A EP3046823A1 EP 3046823 A1 EP3046823 A1 EP 3046823A1 EP 14781850 A EP14781850 A EP 14781850A EP 3046823 A1 EP3046823 A1 EP 3046823A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- car body
- secondary spring
- chassis
- rail vehicle
- positive connection
- 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
Links
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
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
Definitions
- the invention relates to a rail vehicle with at least one car body and at least one secondary spring for cushioning the car body on a chassis, wherein the car body and the secondary spring are connectable to each other.
- Secondary springs for example, designed as Uhrglasfedern are arranged between a chassis and a car body of a rail vehicle to cushion the car body on the chassis. They serve the transmission of
- chassis and car body Traction, vertical and lateral forces between chassis and car body. They are usually bolted to the car body and the chassis.
- the invention has for its object to propose a safe, yet easy to install and easy to maintain rail vehicle.
- An inventive rail vehicle comprises at least one car body according to the invention and at least one secondary spring according to the invention.
- it may comprise at least one chassis, in particular a bogie.
- the rail vehicle is in particular a rail vehicle of passenger transport, in particular of local passenger transport in low-floor construction.
- the car body interacts with the at least one secondary spring to form a positive connection, so that the car body and the at least one secondary spring according to the invention are positively connected with each other.
- the positive connection between the car body and the secondary suspension is designed such that it acts at least parallel to a vertical axis of the car body to the car body and perpendicular to the vertical axis of the car body.
- Secondary spring and car body each comprise at least one connection partner to form the positive connection. These are complementary to each other.
- the positive connection serves to transmit forces between the secondary spring and the car body. It is designed and aligned such that movements of the at least one connection partner of the secondary spring are prevented parallel to a vertical axis of the car body to the car body and perpendicular to the vertical axis of the car body. At the same time forces acting parallel to the vertical axis of the car body to the car body and perpendicular to the vertical axis of the car body, transferable from the secondary spring to the car body.
- the car body comes in contact with the secondary spring.
- the weight of the car body of the rail vehicle acts vertically on the secondary spring.
- the counterforce of the secondary spring then also acts in the vertical direction to the car body.
- the connection partners of the positive connection are designed and arranged such that movements of the connection partner of the secondary spring are prevented in the horizontal direction and vertically to the vehicle body. Horizontal forces occur, for example, during cornering.
- the weight of the car body is transmitted in the rest position of the rail vehicle exclusively via the at least one positive connection to the at least one secondary spring.
- a plurality of car bodies and a plurality of secondary springs may be provided, each of which acts according to the invention positive connections are connected to the car bodies.
- An inventive car body comprises for forming the positive connection thus at least one suitable device which cooperates as a connection partner of the positive connection with a connection partner of the secondary spring, and which is complementary to the connection partner of the secondary spring, in such a way that a positive connection of the connection partners with the above effects arises.
- a secondary spring according to the invention serves to cushion the car body on a chassis.
- it comprises at least one suitable device which is complementary to the connection partner of the car body and which cooperates as a connection partner of the positive connection with the connection partner of the car body to form the positive connection with the above-mentioned effects.
- a further development of the invention consists in that the secondary spring has a conical mandrel for forming the positive connection.
- the car body then has correspondingly formed a complementary to the conical mandrel socket.
- the bush is used for positive reception of the mandrel.
- the secondary spring on the front side in the shape of a truncated cone, which forms the conical mandrel.
- the bushing may for example have the shape of a pot-shaped indentation or it has a conical bore.
- the inner diameter of the ring is smaller than the outer diameter of the conical mandrel at its base.
- the ring takes the co- niche mandrel also axially.
- the carbody thus has a ring of predetermined diameter to form the positive connection.
- the car body to form the positive connection a conical mandrel and the secondary spring on a complementarily shaped socket.
- the mutually complementary connection partners of the car body and the secondary spring form a transition fit.
- An advantage of the power transmission via the positive connection is that can be dispensed with power-transmitting fittings and thus fewer components and a lower manufacturing cost are connected.
- the car body and the at least one secondary spring free of non-positive or cohesive connections connected to each other.
- the Genkasten and the at least one secondary spring free of mutual screwed together.
- the rail vehicle according to the invention comprises at least one chassis, in particular at least one bogie, wherein the chassis and the at least one secondary spring are positively connected to each other, which positive connection at least parallel to a vertical axis of the driving works towards the chassis and perpendicular to the vertical axis of the chassis.
- the running gear and the at least one secondary spring are also connected to one another free of non-positive or integral connections, in particular free of mutual screw connections.
- the rail vehicle is in particular a low-floor vehicle. It may include a plurality of car bodies and a plurality of bogies, such as bogies. Of course, then several secondary springs are provided for cushioning the car bodies on the chassis. In one development, a car body of the rail vehicle is cushioned on exactly one chassis. To cushion a car body on a chassis, a plurality of secondary springs may be provided, for example, exactly two.
- a chassis may include one, but in particular exactly two longitudinal traction motors.
- the chassis comprises two traction motors arranged parallel to a longitudinal axis of the chassis, wherein two secondary springs are provided for cushioning the car body on the chassis, which between the traction motors, in particular on a line perpendicular to a Longitudinal axis of the chassis, are arranged.
- the junctions of the secondary springs with the chassis then lie on a line.
- this line divides the chassis in a front and a rear part, which are essentially the same size - it lies in a transverse center plane.
- a trained rail vehicle has at least one
- Roll support in particular a mechanical roll support, on.
- Anti-roll bars are already known as such.
- four roll supports are provided, which are arranged on the chassis so that the articulation points of the roll supports on the chassis form a quadrangle, which encloses the junctions of the secondary springs with the chassis.
- Longitudinal traction motors have many advantages. They serve in particular for driving both wheels on one side of the chassis and thus on opposite wheels of an axle. Such drive units are also referred to as longitudinal gear sets.
- the chassis thus comprises two longitudinal wheel sets with two parallel to each other and arranged parallel to the longitudinal axis of the chassis drive motors.
- the carriage body may have an opening in the floor, wherein the secondary spring comprises first means for connecting a first part of a clamping tool with the secondary spring, wherein the secondary spring is arranged in the region of the opening in the bottom of the car body and wherein the opening in the bottom of the car body is designed in such a way in that the first part of the secondary spring for connecting the first part of the clamping tool to the secondary spring is arranged in such a way that a force which passes through the tensioning tool is applied to the secondary spring and which acts in a direction against the car body, is introduced into the secondary spring, that the secondary spring is biased against the car body.
- the rail vehicle comprises second means for connecting a second part of the clamping tool to the carbody, wherein the second means of the car body for connecting the second part of the clamping tool to the car body arranged in an interior of the car body are .
- the at least one secondary spring is divided along a predetermined axis into a first and at least one further, second portion, which first portion is axially rigid and orthogonal to the predetermined axis resilient and which second portion orthogonal to predetermined axis is stiff and axially resilient, wherein the secondary spring is arranged to the car body that the car body comes in contact with the second portion of the secondary spring.
- the second section of the secondary spring is connected to the car body.
- the first portion of the secondary spring is connected to the chassis of the rail vehicle.
- the secondary spring is arranged in such a way between the chassis and the car body of the rail vehicle, that in the stationary state of the rail vehicle, the predetermined axis of the secondary spring in the vertical direction and thus the first Ab- cut the secondary spring is vertically stiff and horizontally resilient and the second portion is formed horizontally stiff and vertical resilient.
- the predetermined axis coincides, for example, with a longitudinal axis of the secondary spring and extends parallel to the vertical axis of the car body. In the stationary state of the rail vehicle, the weight of the car body then causes a deflection of the second portion of the secondary spring.
- the bias acts in the direction of the predetermined axis, in particular the longitudinal axis of the secondary spring.
- only the second portion of the secondary spring is biased against the car body.
- the first means of the secondary spring are suitably arranged on the secondary spring.
- the first and second sections are separated from each other by a partition plate.
- Separation plate is thus arranged between the first and the second portion of the secondary spring.
- the partition plate can in turn be connected to the first means of the secondary spring to form the connection with the predetermined clamping tool.
- the partition plate is suitable for receiving forces for biasing the secondary spring against the car body. It serves to introduce said forces into the second section of the secondary spring, which, in particular exclusively, is prestressed by means of the clamping tool against the carriage body.
- the partition plate can be made stiff both axially and radially to the predetermined axis. For example, it consists of a metal or a metal alloy. In particular, it is made of steel.
- the secondary spring may further comprise at least one horizontal stop which is arranged on the secondary spring such that a force which acts orthogonally to the predetermined axis on the horizontal stop is introduced into the secondary spring between the first and the second section. This horizontal stop is arranged for example on the partition plate.
- the first and the second portion are formed coaxially with each other.
- the first and the second portion are each rotationally symmetrical and arranged to each other so that they have a common axis of rotation.
- Fig. 1 shows a partial section through an inventive
- Fig. 2 shows a cross section through the secondary spring
- Fig. 1 in detail.
- Fig. 1 and Fig. 2 is a partial section through a chassis, a secondary spring according to the invention and a carbody according to the invention. The figures will be discussed together below.
- the secondary spring 1 is connected on the one hand with a cross member 2 of a chassis and on the other hand with a car body 3 of a rail vehicle.
- the secondary spring 1 here has a first section 4, which comprises a vertically rigid and horizontally resilient layer spring, and it has a further, second abutment. cut 5, which comprises a horizontally rigid and vertically resilient cone spring, here a rubber-metal spring.
- the secondary spring 1 is here in its intended operating position between the bogie and the car body 3 arranged so that the first section 4 on the bogie, here the cross member 2, is mounted, the second section 5 connected to the car body 3 of the rail vehicle is.
- the sections 4, 5 have a common axis of rotation. This is simultaneously the longitudinal axis of the secondary spring 1. In its operating position, this axis points in the vertical direction. Here, this axis extends along a pin 6 arranged centrally in the first section 4 of the secondary spring 1. At the same time, the longitudinal axis coincides with the vertical axis of the car body 3.
- the bogie here the traverse 2, a corresponding complementary shaped receptacle for the pin 6.
- the secondary spring 1 and the car body 3 are complementary to each other and aligned and they are so positively connected to each other that predetermined movements of the secondary spring 1 to the car body 3 are prevented.
- the secondary spring 1 is exclusively positively connected to the car body 3.
- the car body 2 and the secondary spring each have at least one connection partner 7, 8 of the positive connection, which are designed to be complementary to one another such that movements of the connection partner 7 of the secondary spring 1 to the connection partner 8 of the car body. 3 in the direction of the longitudinal axis of the secondary spring 1 to the car body 3 back and perpendicular to be prevented. More precisely, all movements of the connection partner 7, viewed from its center of gravity, are prevented in the direction of all points of a hemisphere about the center of gravity.
- the form fit is adapted to transmit forces acting from the secondary spring 1 in a direction parallel to a vertical axis of the car body 3 to the car body and perpendicular to the vertical axis of the car body 3 on the car body 2.
- connection partners 7, 8 of the positive connection of the secondary spring and the car body are suitably formed, in particular made of a suitable material and geometrically dimensioned. In particular, they are designed to transmit all of the secondary spring 1 to the car body 3 to be transmitted forces via the positive connection.
- the secondary spring 1 as a connection partner 7 of the positive connection on a conical shape in the region of the car body 2 facing end side.
- it includes a collar 10 in the region of the base of the cone.
- the collar 10 is formed circumferentially around the cone and limits its lateral surface.
- the car body 3 comprises a cup-shaped indentation 9, in which a part of the connection partner 7 of the secondary spring 1 is received.
- a ring 8 at the entrance of the cup-shaped recess 9 is arranged. Through the ring 8, the cone is inserted centrally into the cup-shaped indentation 9.
- the ring 8 forms an axial stop for the collar 10 and thus in the last instance a positive connection in the direction of the vertical axis of the car body acting.
- the ring 8 of the car body 3 is located in the vertical direction on the collar 10 of the secondary spring on, whereby the weight forces of the car body 3 are transmitted to the secondary spring 1.
- the ring 8 surrounds the conically shaped end portion 7 of the secondary spring 1 radially. Its inner diameter is larger than the outer diameter of the secondary spring 1 at its tip. At the same time, the inner diameter of the ring 8 is substantially the same size as the outer diameter of the secondary spring 1 in the region above the collar 10. They form a transitional fit.
- the surfaces of the connection partners of a form-locking invention, which come into mutual contact and cooperate so that forces can be transferred from one connection partner to the other, are also called effective surfaces.
- the upper side of the collar 10 and sections of the lateral surface of the cone form effective areas.
- the bottom of the ring 8 and the top of the collar 10 thereby form an active surface pair, as well as the inside of the ring 8 and the lateral surface of the cone '.
- Pot-shaped indentation 9 and ring 8 form a socket.
- the car body 3 may have a conical bore as a connection partner of the positive connection.
- the car body 3 and the secondary spring 1 are otherwise free of force-transmitting fittings.
- the chassis which is designed as a bogie, two parallel to
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL14781850T PL3046823T3 (pl) | 2013-11-29 | 2014-10-02 | Połączenie sprężyny II stopnia z nadwoziem wagonu |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013224606.4A DE102013224606A1 (de) | 2013-11-29 | 2013-11-29 | Anbindung einer Sekundärfeder an einen Wagenkasten |
| PCT/EP2014/071142 WO2015078621A1 (de) | 2013-11-29 | 2014-10-02 | Anbindung einer sekundärfeder an einen wagenkasten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3046823A1 true EP3046823A1 (de) | 2016-07-27 |
| EP3046823B1 EP3046823B1 (de) | 2020-01-15 |
Family
ID=51688041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14781850.4A Active EP3046823B1 (de) | 2013-11-29 | 2014-10-02 | Anbindung einer sekundärfeder an einen wagenkasten |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3046823B1 (de) |
| CN (1) | CN206141564U (de) |
| DE (1) | DE102013224606A1 (de) |
| ES (1) | ES2780875T3 (de) |
| PL (1) | PL3046823T3 (de) |
| WO (1) | WO2015078621A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054383B (zh) * | 2017-06-02 | 2023-07-11 | 深圳市百辉光电科技有限公司 | 一种立体轨道电动汽车及立体轨道系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2305732A (en) * | 1938-05-24 | 1942-12-22 | Transit Res Corp | Railway springing system |
| DE2440069C3 (de) * | 1974-08-21 | 1979-06-07 | Hamburger Hochbahn Ag, 2000 Hamburg | Drehgestell für die gemeinsame gelenkige Abstützung zweier Wagenkasten |
| DE2711348C2 (de) * | 1977-03-16 | 1982-06-09 | Wegmann & Co, 3500 Kassel | Abstützung des Wagenkastens eines Schienenfahrzeuges auf einem Drehgestell |
| CN102476643A (zh) * | 2010-11-22 | 2012-05-30 | 齐齐哈尔轨道交通装备有限责任公司 | 铁路车辆转向架和铁路车辆 |
| AT511876B1 (de) * | 2011-08-30 | 2020-02-15 | Siemens Mobility GmbH | Federsperre für sekundärfeder |
| FR2991956B1 (fr) * | 2012-06-18 | 2014-07-04 | Alstom Transport Sa | Bogie de vehicule ferroviaire a suspensions perfectionnees, notamment pour un tramway a plancher bas |
-
2013
- 2013-11-29 DE DE102013224606.4A patent/DE102013224606A1/de not_active Withdrawn
-
2014
- 2014-10-02 EP EP14781850.4A patent/EP3046823B1/de active Active
- 2014-10-02 CN CN201490001194.0U patent/CN206141564U/zh not_active Expired - Lifetime
- 2014-10-02 ES ES14781850T patent/ES2780875T3/es active Active
- 2014-10-02 WO PCT/EP2014/071142 patent/WO2015078621A1/de not_active Ceased
- 2014-10-02 PL PL14781850T patent/PL3046823T3/pl unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2015078621A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015078621A1 (de) | 2015-06-04 |
| PL3046823T3 (pl) | 2020-06-29 |
| ES2780875T3 (es) | 2020-08-27 |
| CN206141564U (zh) | 2017-05-03 |
| EP3046823B1 (de) | 2020-01-15 |
| DE102013224606A1 (de) | 2015-06-03 |
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