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WO2004080778A1 - Procede et dispositif pour ameliorer la traction de vehicules sur rails, notamment lors de leur utilisation en automne/hiver - Google Patents

Procede et dispositif pour ameliorer la traction de vehicules sur rails, notamment lors de leur utilisation en automne/hiver Download PDF

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Publication number
WO2004080778A1
WO2004080778A1 PCT/EP2004/002338 EP2004002338W WO2004080778A1 WO 2004080778 A1 WO2004080778 A1 WO 2004080778A1 EP 2004002338 W EP2004002338 W EP 2004002338W WO 2004080778 A1 WO2004080778 A1 WO 2004080778A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
compressed air
base part
traction
blowing
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.)
Ceased
Application number
PCT/EP2004/002338
Other languages
German (de)
English (en)
Inventor
Werner Bartling
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2004080778A1 publication Critical patent/WO2004080778A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B39/00—Increasing wheel adhesion
    • B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
    • B60B39/04—Vehicle fittings for scattering or dispensing material in front of its wheels the material being granular, e.g. sand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
    • B61C15/08—Preventing wheel slippage
    • B61C15/085—Preventing wheel slippage by dispersion of a fluid, e.g. containing chemicals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
    • B61C15/08—Preventing wheel slippage
    • B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
    • B61C15/107—Preventing wheel slippage by depositing sand or like friction increasing materials with electrically or electromagnetically controlled sanding equipment

Definitions

  • the invention relates to a method for improving the traction of vehicles, in particular rail vehicles, e.g. in autumn / inter-operation according to the preamble of claim 1.
  • the invention relates to a device for performing the method according to the measure according to claim 2.
  • DE 31 35 613 C2 describes a method for adapting the tractive force of a rail vehicle at the wheel-rail adhesion limit and a device for carrying out the method in which the slip state is detected by means of a pulse generator arranged on a driving wheel set and occurs when a macro slip occurs Control impulse for the release of the sand and a change in the torque characteristic initially triggers in a flatter course and only after a reduction in the slip in a steeper course. If the macro slip continues, the engine output is reduced in smaller steps after the characteristic curve has been flattened repeatedly.
  • AI names a device for traction control for a rear-axle vehicle, which has a device for detecting the weather conditions, which is linked to the data of the vehicle and slip speed and activates an automatic sanding system.
  • the sanding is carried out either continuously or discontinuously.
  • a sandblasting device for rail vehicles in which sand is sucked from a storage container through a sand pipe through a nozzle acting as a jet pump into a sandblasting pipe, where it is mixed with the compressed air leaving the nozzle and from which at the free end with a automatic sandblast pipe in front of the Driving wheels of the respective vehicle is blown onto the rails, the sandblasting tube being pressed against a closure plate by a spring.
  • a sand spreading device for rail vehicles which has a funnel-shaped sandpit at its lower section, which has a downward-directed sand down pipe with a sand staircase with an upward rising section into which a compressed air nozzle blows the sand , In the lower area of the sandpit there is a pipe socket and a sandfall pipe for the sand to run out.
  • the invention has for its object to eliminate the disadvantages of the prior art and to take measures by which a comprehensive operating possibility is offered. This object is achieved in that, according to the invention, the blowing-out takes place in a one- or two-substance outlet and liquid or gaseous medium from a delivery station located in the vehicle is used as the energy source.
  • An advantageous device for carrying out the method according to claim 1 is achieved by the feature according to claim 2.
  • the feature according to claim 3 enables safe use in almost any weather condition, and the compact design of the entire device means that it can be easily integrated into any rail vehicle.
  • the device is structurally uncomplicated and therefore inexpensive to manufacture and retrofit.
  • the are arranged between the device for applying spreading material and the blowing device Heating both facilities heated equally by the energy source.
  • the heating prevents condensation of water in the outlet area of the grit and its freezing.
  • Figure 1 shows an embodiment of the device according to the invention in side view.
  • Fig. 4 is a section along the line IV-IV of Fig. 3;
  • FIG. 5 shows part 15 of the device according to FIG. 1 on a larger scale and in cross section
  • FIG. 6 shows a side view of the nozzle head according to FIG. 7;
  • FIG. 7 shows a variant of the diagrammatic representation of the nozzle head according to FIG. 2.
  • Fig. 8 is a rear view of the same.
  • the device according to the invention has a nozzle head 3 in the area of a rail 2 intended for a rail vehicle with a connection 4 for supplying compressed gas or compressed air to a blow-off device, e.g. Blasting nozzle 9, which directs the supplied medium from close proximity directly against the rail head 2 ', and a connection 5 for a heater, preferably an electric heater.
  • a blow-off device e.g. Blasting nozzle 9
  • the attachment of the nozzle head 3 to the vehicle can, as shown in the present case, take place via a support 10 or the like, to which, for example, a base part 16 can also be attached.
  • the device according to the invention is equipped in such a way that it can be used either for a single-substance or for a two-substance drain.
  • the liquid or grit supply is switched off, the lane is supplied either by the trailing grit nozzle or the leading liquid nozzle. With a two-substance outlet, both nozzles come into action.
  • a compressed air source and a pressure fluid source and preferably also a heating source are provided.
  • the nozzle head is provided with a connection leading to a channel 11 for a pressure fluid and a connection 5 for a heating device.
  • the channel 11 is closed by a blind screw connection 12 or the like and the channel 13 receiving the heating is closed by a blind screw connection 14.
  • the part denoted by 7 can be a compressed air source from which compressed air or compressed gas is led via the connection 4 to the radiation nozzle 9, or a liquid container from which liquid, for example water, possibly with a cleaning, deicing or the like .-Provided, is supplied to the blasting nozzle 9 via a high-pressure pump 8.
  • the device 17 according to FIG. 5 has in the base part 16 a grit channel 20 with threaded connections 21, 22 arranged on both sides, of which the upper threaded connection 22 is connected via a connection 23 to a sand conveying line 24 which is connected to a sand store 25.
  • the lower threaded connector 21 is connected via a pipe connection 26 to an outlet nozzle or nozzle 27, which is directed approximately towards the center of the track profile in front of the driven wheels of the rail vehicle.
  • a heating system 19 is arranged in the base part 16 and has a heating duct 13 and an outlet nozzle 34 as well as a threaded connector 35 for receiving a connection 36 of a compressed air line 37 which is connected to the compressed air generation system 8.
  • the heating system 19 comprises the heating duct 13 and an electric heater 41.
  • the heating duct 13 is provided with the blind screw 14 at its lower end, it has a threaded connector 44 at its upper end in the base part 16 for fastening a protective tube 45 for a supply line 33.
  • the electric heater 41 is heated with a thermal paste in the tion channel 13 used.
  • the supply line 33 is connected to the electrical system of the rail vehicle. The operating state of the electric heater can be adjusted with the help of a controller according to the ambient temperature.
  • the device is made of saltwater-resistant aluminum.
  • a compressed air generation system 39 is indicated, which is connected to the sand reservoir 25 via a line 42.
  • the mode of operation when the device is started up can be, for example, the following:
  • Compressed air flows from the compressed air generation system 39 via the line 42 into the sand conveyor 25, whereby a sand-compressed air mixture is formed.
  • the sand-compressed air mixture passes through the sand conveyor line 24 via the threaded connector 22 into the base part 16.
  • the sand-compressed air mixture passes from the base part 16 via the threaded connector 21 and the pipe connection 26 to the outlet nozzle / nozzle 27.
  • a bevel 27 'of the outlet nozzle or nozzle 27 and the positioning of the entire assembly "combined sand outlet and rail surface free-blowing device" in front of the wheel ensure the targeted introduction of the sand / compressed air mixture into the wheel / rail gap.
  • Compressed air can be passed separately or simultaneously to the sand scattering process via the compressed air line 37, the threaded connector 35, the compressed air duct 46 to the outlet nozzle 27.
  • the electrical heater 41 in the heating duct 13 supplies the base part 16 with thermal energy and holds the outlet nozzle 27 and the adjacent components which are thermally conductively connected to the base part 16 (threaded connector 35 and pipe connection 37), frost-free.
  • the same reference numerals are used for the same parts.
  • the radiation nozzle 9 and the electrical heater 41 are located in the nozzle head 3.
  • the nozzle head 3 is connected to the compressed air line 37 and connected to a power source via a power line.
  • the device in the vehicle is dependent on the direction of travel and is positioned as far as possible in front of the first wheelset and at a distance of approx. 30 to 50 mm above the rail head, which also optimally solves the question of energy utilization in the same way as for the parent patent ,
  • connection 47 for the supply of a washing emulsion which is connected via a connecting line 10 in which a preferably controllable valve 48, e.g. a solenoid valve, is located on which a reservoir 7 and is connected to the blow-off nozzle 9 via a bypass 49.
  • a controllable valve 48 e.g. a solenoid valve
  • the compressed air function and the supply of the cleaning emulsion are advantageously arranged in spatially separate systems, which enables different control.
  • the control can be designed so that either only the compressed air function is activated or both functions are combined together.
  • the rail head blow-off nozzle 9 and the valve which leads to the emulsion reservoir are actuated simultaneously.
  • the cleaning emulsion flows via the connecting line in front of the compressed air nozzle of the rail head blowing device and is blown onto the rail head at high pressure by the compressed air jet.
  • the cleaning emulsion is sprayed onto the rail head and can possibly also be mixed with a deicing agent.
  • the rail head is freed of dirt or icing in the autumn / winter operation in the jet washing process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour améliorer la traction de véhicules sur rails, notamment lors de leur utilisation en automne/hiver. Ledit dispositif peut être intégré dans chaque véhicule et permet d'éliminer par soufflage les corps étrangers éventuellement présents sur les rails, au moyen d'une ou deux buses projetant un liquide ou un gaz sous pression. Ledit dispositif présente une tête de buse (3) comportant une buse de soufflage (9 et 34) pour le liquide et/ou le gaz, ainsi qu'une unité d'épandage pourvu d'une partie de base (16) et d'un élément de décharge ou d'une buse (27).
PCT/EP2004/002338 2003-03-11 2004-03-08 Procede et dispositif pour ameliorer la traction de vehicules sur rails, notamment lors de leur utilisation en automne/hiver Ceased WO2004080778A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA377/2003 2003-03-11
AT3772003 2003-03-11
AT762004 2004-01-22
ATA76/2004 2004-01-22

Publications (1)

Publication Number Publication Date
WO2004080778A1 true WO2004080778A1 (fr) 2004-09-23

Family

ID=32991538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/002338 Ceased WO2004080778A1 (fr) 2003-03-11 2004-03-08 Procede et dispositif pour ameliorer la traction de vehicules sur rails, notamment lors de leur utilisation en automne/hiver

Country Status (1)

Country Link
WO (1) WO2004080778A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008061650A1 (fr) * 2006-11-24 2008-05-29 Goldmann, Norbert Équipement de commande de quantités de sable pour des véhicules ferroviaires
DE102007045931A1 (de) * 2007-09-27 2009-04-16 Voith Patent Gmbh Schienenfahrzeug
WO2013120865A1 (fr) * 2012-02-14 2013-08-22 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Embout pour un dispositif de dispersion de particules sur un véhicule ferroviaire
GB2530480A (en) * 2014-08-15 2016-03-30 Michael Flak None mechanical safety system and method for vehicles
WO2018036690A1 (fr) * 2016-08-25 2018-03-01 Siemens Aktiengesellschaft Sablière et véhicule ferroviaire équipé d'une telle sablière
CN108698614A (zh) * 2015-10-23 2018-10-23 通用电气公司 用于牵引系统的系统及方法
US20230035126A1 (en) * 2021-07-28 2023-02-02 Transportation Ip Holdings, Llc Fluid control device and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890970A (en) * 1954-07-23 1959-06-16 Gen Electric Method of treating rails to prevent oil films
US4230045A (en) * 1978-09-07 1980-10-28 Morrison-Knudsen Company, Inc. Method and system for increasing the track-to-wheel friction of the wheels of a locomotive for motive power and decreasing the rolling resistance for trailing loads
DE3402502A1 (de) * 1984-01-25 1985-07-25 Knorr-Bremse GmbH, 8000 München Sandstreuvorrichtung fuer schienenfahrzeuge
EP0882634A2 (fr) * 1997-06-05 1998-12-09 Siemens SGP Verkehrstechnik Dispositif de sablage
DE20302149U1 (de) * 2003-02-10 2003-04-24 Deutsche Bahn AG, 10785 Berlin Vorrichtung zur Verbesserung der Traktion von Schienenfahrzeugen, insbesondere im Winterbetrieb

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890970A (en) * 1954-07-23 1959-06-16 Gen Electric Method of treating rails to prevent oil films
US4230045A (en) * 1978-09-07 1980-10-28 Morrison-Knudsen Company, Inc. Method and system for increasing the track-to-wheel friction of the wheels of a locomotive for motive power and decreasing the rolling resistance for trailing loads
DE3402502A1 (de) * 1984-01-25 1985-07-25 Knorr-Bremse GmbH, 8000 München Sandstreuvorrichtung fuer schienenfahrzeuge
EP0882634A2 (fr) * 1997-06-05 1998-12-09 Siemens SGP Verkehrstechnik Dispositif de sablage
DE20302149U1 (de) * 2003-02-10 2003-04-24 Deutsche Bahn AG, 10785 Berlin Vorrichtung zur Verbesserung der Traktion von Schienenfahrzeugen, insbesondere im Winterbetrieb

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008061650A1 (fr) * 2006-11-24 2008-05-29 Goldmann, Norbert Équipement de commande de quantités de sable pour des véhicules ferroviaires
DE102007045931A1 (de) * 2007-09-27 2009-04-16 Voith Patent Gmbh Schienenfahrzeug
WO2013120865A1 (fr) * 2012-02-14 2013-08-22 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Embout pour un dispositif de dispersion de particules sur un véhicule ferroviaire
GB2530480A (en) * 2014-08-15 2016-03-30 Michael Flak None mechanical safety system and method for vehicles
CN108698614A (zh) * 2015-10-23 2018-10-23 通用电气公司 用于牵引系统的系统及方法
WO2018036690A1 (fr) * 2016-08-25 2018-03-01 Siemens Aktiengesellschaft Sablière et véhicule ferroviaire équipé d'une telle sablière
US20230035126A1 (en) * 2021-07-28 2023-02-02 Transportation Ip Holdings, Llc Fluid control device and method

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