EP3749563A1 - Luftfedersteuerungseinrichtung - Google Patents
LuftfedersteuerungseinrichtungInfo
- Publication number
- EP3749563A1 EP3749563A1 EP19704256.7A EP19704256A EP3749563A1 EP 3749563 A1 EP3749563 A1 EP 3749563A1 EP 19704256 A EP19704256 A EP 19704256A EP 3749563 A1 EP3749563 A1 EP 3749563A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air spring
- valve
- air
- pressure
- control device
- 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
- B61F5/04—Bolster supports or mountings
- B61F5/10—Bolster supports or mountings incorporating fluid springs
Definitions
- the invention relates to an air spring control device for a rail vehicle chassis with air suspension.
- Passenger rail vehicles are often equipped with air suspension, as this offers a high level of ride comfort and a level control is easy to implement.
- a level control is often used, as this height differences between a platform and the passenger compartment floor with different loading of the
- a control valve air spring valve
- An air suspension of a rail vehicle includes more
- Differential pressure equalization valve, connections for sensors, return valves and often other pneumatic devices required All these components are suitable for connecting to one another by means of pipes, for which purpose usually further components such as tees, reducers, screw-in pieces and the like are required. Since flexible pneumatic lines are avoided as possible, is a considerable effort required for the construction of this air spring system, since the space is also claimed by other mechanical and electrical components and also accessibility, maintenance and interchangeability is required without having to dismantle many other modules.
- the invention is therefore based on the object, a
- Medium pressure valve and a return valve comprises, wherein two compressed-air connections are provided, which are adapted for connection of one air spring and the respective air spring pressure to a respective port of the
- Components such as tees, reducers, pipes,
- Air spring control device the advantage of low weight compared to conventionally designed air spring controls and it has lower space requirements.
- a first valve is a differential pressure compensating valve, which limits the possible pressure difference between the air springs of a chassis. This valve prevents excessive inclination of the car body, for example, by a one-sided error of an air spring valve or a
- one-sided leak For example, if one of the two air springs leaking, so vented the
- a second valve is a medium-pressure valve, which forms from the air pressures in the air springs, a pressure average, which is proportional to the load state of the vehicle and which is provided to the brake control.
- a return valve is provided, which limits the pressure in the air springs to the existing supply pressure.
- Exhaust valves are provided, or the supply lines to the air springs must be opened.
- the air spring control device according to the invention can be attached to the underside of the car body and narrows the available space for more
- Pressure lines in the interior of the air spring control device is made possible. It is particularly advisable to provide measuring connections for the air spring pressures or connections for sensors for determining the air spring pressures.
- the air spring control device is preferably designed as an integrated component, at which are arranged in a housing, the required parts.
- the air spring control device is to equip it with fastening means, such as holes for a screw fastening, by means of which it is releasably fastened to a rail vehicle, preferably a car body fastened.
- Fig.2 air spring control device.
- Fig.l shows an example and schematically a compressed air plan of air suspension. It's a compressed air plan one
- Air suspension according to the prior art shown, which includes a left 9 and a right air spring 10.
- These Air springs 9, 10 are fed from the pneumatic pressure line 13 of the carriage-side compressed air system 15, wherein in the supply line to the air springs 9, 10 each have an air spring valve 11, 12 is connected.
- the air spring valves 11, 12 mechanically determine the respective instantaneous vertical position of the
- Car body to the chassis and control the pressure in the air springs so that a certain level of the car body is achieved regardless of the load.
- Differential pressure compensating valve 2 is connected between the supply lines to the air springs 9, 10 and reduces the
- the illustrated air suspension is equipped with a medium-pressure valve 3, which is acted upon by the pressure in the two supply lines to the air springs 9, 10 and from these pressures forms the average pressure and this via a medium pressure line 14 to the cart box side
- Compressed air system 15 transmitted. This average pressure is proportional to the current vehicle mass and can be used for
- a return valve 4 is connected in parallel with the left air spring valve 11 and prevents an increase in the pressure in the air springs 9, 10 via the pressure in the air spring valve
- Pneumatic pressure line 13 Pneumatic pressure line 13.
- a measuring connection 16 and a pressure transducer 17 are each arranged in the supply lines to the air springs 9, 10.
- Air spring control device It is one
- Air spring control device 1 shown which comprises the essential control functions of an air suspension with the exception of the air suspension valves.
- Differential pressure equalization valve 2 and a medium-pressure valve 3 are arranged in a unit which has a connection 7 for a left air spring and a connection 8 for a right
- Air spring comprises, wherein the voltage applied to these terminals 7, 8 are passed to the air pressure valves 2, 3.
- the output of the medium pressure valve 3 is connected to the
- a return valve 4 is disposed between a return valve port 5 and the port 7 of the left air spring.
- Air spring control device 1 forms the minimum
- Fig. 3 shows, by way of example and schematically, a compressed air plan of an air suspension with an air spring control device. It is shown an air suspension with two air springs 9, 10, which comprises an air spring control device 1 according to the invention. As a result, the cost of piping is significantly reduced.
- cart box-side compressed air system 15 is about
- Air spring valves 11, 12 connected to the air springs 9, 10, the other pneumatic control operations are performed by the integrated in the air spring control device 1 valves.
- the air spring control device 1 with the leads to the air springs 9, 10, the
- Air spring control device 1 connections for each two measuring terminals and pressure transducer, their functionality thus corresponds exactly to the air suspension of Fig.l, but with significantly lower complexity of the piping. List of terms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL19704256T PL3749563T3 (pl) | 2018-02-08 | 2019-02-01 | Urządzenie sterujące sprężynami pneumatycznymi |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50117/2018A AT520634B1 (de) | 2018-02-08 | 2018-02-08 | Luftfedersteuerungseinrichtung |
| PCT/EP2019/052486 WO2019154726A1 (de) | 2018-02-08 | 2019-02-01 | Luftfedersteuerungseinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3749563A1 true EP3749563A1 (de) | 2020-12-16 |
| EP3749563B1 EP3749563B1 (de) | 2021-12-29 |
Family
ID=65363263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19704256.7A Active EP3749563B1 (de) | 2018-02-08 | 2019-02-01 | Luftfedersteuerungseinrichtung |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3749563B1 (de) |
| CN (1) | CN214001655U (de) |
| AT (1) | AT520634B1 (de) |
| ES (1) | ES2904640T3 (de) |
| PL (1) | PL3749563T3 (de) |
| WO (1) | WO2019154726A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511770B (zh) * | 2019-09-26 | 2023-12-12 | 葛霖 | 一种荒煤气余热回收换热器上升管及其控制方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2457008A1 (de) * | 1974-12-03 | 1976-06-10 | Wabco Westinghouse Gmbh | Druckluft-bremsanlage mit automatischlastabhaengiger regelung |
| JP4660267B2 (ja) * | 2005-04-28 | 2011-03-30 | 北海道旅客鉄道株式会社 | 鉄道車両の車体傾斜制御装置 |
| JP5222611B2 (ja) * | 2008-04-04 | 2013-06-26 | 日本車輌製造株式会社 | レール輸送用車両 |
| DE102008035563B4 (de) * | 2008-07-30 | 2016-01-07 | Siemens Aktiengesellschaft | Luftfedersystem für ein Schienenfahrzeug |
| IT1402175B1 (it) * | 2010-09-03 | 2013-08-28 | Ansaldobreda Spa | Vettura ferroviaria |
| CN202783173U (zh) * | 2012-07-03 | 2013-03-13 | 长春轨道客车股份有限公司 | 载荷信号气路控制箱 |
| CN107000768B (zh) * | 2014-12-05 | 2019-10-29 | 日本制铁株式会社 | 铁道车辆 |
| CN205661442U (zh) * | 2016-06-13 | 2016-10-26 | 张海洋 | 适用于轨道客车的压差平均气路控制装置 |
-
2018
- 2018-02-08 AT ATA50117/2018A patent/AT520634B1/de not_active IP Right Cessation
-
2019
- 2019-02-01 EP EP19704256.7A patent/EP3749563B1/de active Active
- 2019-02-01 PL PL19704256T patent/PL3749563T3/pl unknown
- 2019-02-01 CN CN201990000457.9U patent/CN214001655U/zh active Active
- 2019-02-01 WO PCT/EP2019/052486 patent/WO2019154726A1/de not_active Ceased
- 2019-02-01 ES ES19704256T patent/ES2904640T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN214001655U (zh) | 2021-08-20 |
| ES2904640T3 (es) | 2022-04-05 |
| WO2019154726A1 (de) | 2019-08-15 |
| PL3749563T3 (pl) | 2022-04-19 |
| AT520634A4 (de) | 2019-06-15 |
| EP3749563B1 (de) | 2021-12-29 |
| AT520634B1 (de) | 2019-06-15 |
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