EP2100788A2 - Système de sablage pour véhicules ferroviaires - Google Patents

Système de sablage pour véhicules ferroviaires Download PDF

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Publication number
EP2100788A2
EP2100788A2 EP09450053A EP09450053A EP2100788A2 EP 2100788 A2 EP2100788 A2 EP 2100788A2 EP 09450053 A EP09450053 A EP 09450053A EP 09450053 A EP09450053 A EP 09450053A EP 2100788 A2 EP2100788 A2 EP 2100788A2
Authority
EP
European Patent Office
Prior art keywords
sand
housing
suction nozzle
nozzle insert
storage container
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
EP09450053A
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German (de)
English (en)
Other versions
EP2100788A3 (fr
EP2100788B1 (fr
Inventor
Hubert Tober
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.)
MBM Holding GmbH
Original Assignee
MBM Holding GmbH
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
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Application filed by MBM Holding GmbH filed Critical MBM Holding GmbH
Priority to PL09450053T priority Critical patent/PL2100788T3/pl
Publication of EP2100788A2 publication Critical patent/EP2100788A2/fr
Publication of EP2100788A3 publication Critical patent/EP2100788A3/fr
Application granted granted Critical
Publication of EP2100788B1 publication Critical patent/EP2100788B1/fr
Active legal-status Critical Current
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Classifications

    • 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
    • B61C15/102—Preventing wheel slippage by depositing sand or like friction increasing materials with sanding equipment of mechanical or fluid type, e.g. by means of steam

Definitions

  • the invention relates to a sand discharge device according to the preamble of claim 1.
  • Such Sandaustrags spurs, especially for trams, have long been known.
  • a sand discharge device consists of a sand container which is filled with sand.
  • the sand is then transported in different ways by sand conveyor lines in front of the wheels of the rail vehicle, where he should increase the friction between rail and wheel and thus prevent slippage of the wheels when starting or braking.
  • the lower portion of the sand tank is funnel-shaped.
  • the funnel-shaped suction nozzle device which is usually operated with compressed air, the sand is sucked out of the sand container and transported by sand conveyor lines in front of the wheels of the rail vehicle.
  • the GB 28,725 from 1913 shows such a device in which the suction nozzle device comprises two superimposed, conical caps, between which there is an injection space which is connected by an annular gap with the sand container.
  • the upper cap has a larger diameter than the lower cap and shields the injection space against the surrounding sand.
  • the upper cap supplies a fluid, eg compressed air or steam, at high speed in the vertical direction, whereby a negative pressure is created in the injection space, which sucks the sand through the annular gap from the sand container into the injection space.
  • the sand is entrained by the incoming fluid and fed through an opening in the lower cap of a sand conveyor line.
  • the GB 663,674 shows a similar device in which compressed air is fed to a pressure chamber and from there vertically down to an injection space, which opens into a kind Venturi nozzle, which is connected to a sand conveyor line.
  • the upper edge of the Venturi nozzle has a bead opposite the surrounding bottom of the sand container which is to prevent sand from entering the nozzle and further into the sand conveying line when the pressure chamber is not pressurized with compressed air.
  • it can still easily come with shocks and bumps while driving that unwanted sand slips into the nozzle, further, the amount of sand discharged can be difficult to dose.
  • moisture from the surroundings of the sanding device can enter the sand container through the sand conveying line and lead to agglomeration, possibly at low temperatures, to the freezing of the sand in the area of the suction nozzle arrangements.
  • the EP 1 470 981 describes a cylindrical suction nozzle assembly with a conical cap which is located at the bottom of a tapered sand tank.
  • the suction nozzle assembly can be acted upon with compressed air, which flows through the interior of the arrangement in the vertical direction. Between the interior of the arrangement and the surrounding sand container horizontally extending suction channels are arranged. Upon application of the arrangement with compressed air, a negative pressure is created in the interior, which draws sand from the environment through the suction channels into the interior. This sand is then entrained in the interior of the compressed air jet (ejection) and fed to the underside of the Saugdüsenowski extract the attached sand conveyor line.
  • a housing In the interior of the assembly, a housing is fitted with holes, wherein the holes are aligned with the openings of the suction channels. By rotation of this housing, the cross section of the suction channels can be changed, whereby the sucked amount of sand can be regulated.
  • the conical cap extends past the openings of the suction channels, creating an annular gap through which sand can only enter when sucked by the negative pressure inside the assembly.
  • the sand output can vary greatly depending on the filling level of the sand in the sand container. Furthermore, the construction by means of a housing which is rotatably mounted in the suction nozzle assembly, consuming and expensive.
  • the inventive device allows by combining the Ejetechnischskoss with its own ventilation constant sand delivery at different filling heights of the reservoir. Ventilation by means of the ventilation channel loosens up the sand that is sucked in through the suction channel - so that solidification resulting from vibrations and moisture can be released.
  • the outlet opening can basically be arranged above, but also below or at the same height with the outer opening of the suction channel.
  • a suction nozzle insert is to be assumed here and subsequently, which is arranged so that its central axis is oriented in the vertical direction. In order to allocate the above information correctly in other cases, this general case should always be used.
  • the device Due to the inclined arrangement of the suction channel, the device is leakproof in a state without pressurized air.
  • the term 'inclined arrangement' strictly refers to the location of a line of communication between the outer and inner openings of the suction channel, the term “downwardly inclined” being seen in the direction from the inner to the outer opening of the suction channel the outer opening of the suction channel is in vertical alignment of the sand discharge under the inner opening of the suction channel - portions which have a slightly different orientation, in the light of this clarification can be seen.
  • the device Due to its simple and compact design, the device is inexpensive and can further be used both in pressure-resistant and in ventilated, so open storage containers. Retrofitting in existing systems is relatively easy.
  • the outlet opening of the ventilation channel opens above the outer opening of the suction channel in the reservoir.
  • the inlet opening of the ventilation channel with the ambient atmosphere of a rail vehicle, on which the sand discharge device is installed or in which the SandaustragungsUNE can be installed, or a passenger compartment of such a rail vehicle in conjunction.
  • air can be supplied to the storage container via the ventilation system in a simple and uncomplicated way.
  • the air supplied through the ventilation is normally warmer than the ambient air, which can help prevent condensation of the water vapor or freezing of the sand, especially in the cold season.
  • the ventilation duct is arranged substantially parallel to the central axis of the housing of the Saugdüsentownes in the housing, whereas the part of the ventilation duct is inclined immediately in front of the outlet opening at an acute angle to the central axis of the housing downwards. This prevents leakage of the sand through the ventilation duct.
  • the outlet opening above the outer opening of the suction channel so particularly the sand is vented over the suction channel, which facilitates the suction significantly.
  • the housing of the Saugdüsentownes has at its upper end a substantially conical portion which has a larger diameter than the cylindrical portion of the housing in the transition region to the cylindrical portion of the housing and forms an annular cover which projects beyond the cylindrical surface of the housing.
  • the distance x, by which the annular cover protrudes beyond the cylindrical surface of the housing, is advantageously at most 25 percent of the radius of the cylindrical part of the housing. Such a dimension offers a favorable compromise between stability and the greatest possible shielding.
  • the cone-shaped section absorbs the load of the sand arranged above the suction nozzle insert and, through its cover, ensures that the sand underneath is subjected to lower pressure and can therefore be better sucked through the suction channel. Furthermore, the sand can easily slip through the cone shape.
  • the suction nozzle insert is arranged in the reservoir so that the central axis of the housing is oriented substantially vertically; in another variant, the suction nozzle insert is arranged so that the central axis of the housing is inclined by an angle ⁇ to the vertical, wherein for the angle ⁇ is: 0 ° ⁇ ⁇ 30 °.
  • the suction nozzle insert it should be ensured by rotating the suction nozzle insert about its central axis that the suction channels have the correct inclination and no sand unintentionally enters through them.
  • the sand application can be varied and thus optimized for different applications.
  • due to the inclined attachment in practice often results in a cheaper to be laid sand conveyor line with better drain slopes and more moderate arcs. This leads to improved operational safety due to favorable flow conditions of the brake sand-air mixture.
  • a container with a dehumidifying agent is detachably disposed within the reservoir.
  • a dehumidifying agent may be silica gel or similar materials.
  • the detachable arrangement can be made by any known in the art in a variety of closures. Good results can be achieved by using a magnetic closure. This allows the container to be easily replaced. It is also possible to remove the container, cook it out and put it back in again. Thus, the same container can be used very often, which saves costs.
  • the reservoir has a closable by means of lid Sandein Stahlen for receiving sand, wherein the container with the dehumidifying agent on an inner side of the lid is detachably arranged. In this way, it is particularly easy and uncomplicated to handle the container.
  • the container has the form of a perforated cage.
  • the container has the form of a perforated cage.
  • a number of other embodiments are possible.
  • Fig. 1 shows a functional diagram of the invention Sandaustragungs owned 1.
  • a reservoir 2 is arranged for brake sand on the rail vehicle, which can be filled via a Sandein spallstutzen 4 with sand.
  • the Sandein Stahlllstutzen 4 is closed with a lid 3 to protect the brake sand against moisture and foreign bodies.
  • a viewing window 20 may be arranged, with the level of the reservoir 2 can be easily checked with the uncomplicated.
  • Reservoir 2 can basically be designed to be ventilated or pressure-resistant; the sand discharge device 1 according to the invention can be used for both variants.
  • the reservoir 2 has a conically converging bottom region.
  • at least one suction nozzle insert 5, 5 ' is arranged for sand.
  • the suction nozzle insert 5 can be arranged at any point in the storage container 2, but the best results can be achieved when arranged in the bottom area.
  • the suction nozzle insert 5, 5 ' opens into a sand conveying line 8, 8', which transports the braking sand via a sanding bell 21, 21 'in front of the wheels of the rail vehicle.
  • This sand bell 21, 21 ' optionally has a heating cartridge; Thus, at low temperatures freezing and resulting clumping of the sand in the sand conveyor 8, 8 'and the sand bell 21, 21' can be prevented. Furthermore, the sand bell 21, 21 ' also have special channels and vents that prevent or reduce high-rising moisture and water spray.
  • FIGS. 2 . 4 and 5 show detailed illustrations of the suction nozzle insert 5, which can be fixed by means of screws or other types of fastening in the bottom region of the storage container 2.
  • FIGS. 2 . 4 and 5 these are sectional views parallel to the central axis 16 of the suction nozzle insert 5
  • Fig. 3 shows a plan view of the suction nozzle insert 5 with the course of the sections shown in the other figures.
  • the suction nozzle insert 5 consists of a substantially cylindrical housing 6, which encloses a downwardly open cavity 7.
  • the housing 6 of the Saugdüsentownes 5 in its upper region a conical portion 9.
  • the cavity 7 has from top to bottom according to the arrangement in Fig. 1 the following parts: a nozzle 22, an injection space 23, a Venturi tube 24 and a sleeve 25 for connecting the cavity 7 with the sand conveyor line 8.
  • the Venturi tube 24 consists essentially of two oppositely directed cones, which at the site their smallest diameter are united by a short section just this, constant diameter.
  • the cavity 7 is connected to the interior of the storage container 2 via at least one suction channel 10 for sand.
  • the suction channel 10 in this case has an outer opening 11 which is arranged on the outside of the housing on the side of the interior of the storage container 2, and an inner opening 12 in the cavity 7 of the housing 6 of the Saugdüsentownes 5.
  • the suction channel 10 is in the direction of the inner opening 12 to the outer opening 11 inclined at an acute angle to the central axis 16 of the Saugdüsentownes 5 downwards, so that the outer opening 11 is located at a vertical arrangement of the Saugdüsentownes 5 below the inner opening 12.
  • the angle is usually 40 ° plus minus 10 percent and is substantially dependent on the size of the suction channels or the suction channel 10 and the remaining wall thickness of the housing 6 in this area.
  • Another parameter may be the specific angle of repose of the brake sand used. In the present case four suction channels 10 are provided - in principle, however, more or fewer suction channels 10 are possible.
  • a ventilation channel 13 can be seen in the right part of the cavity 7, a compressed air channel 26 is arranged.
  • the compressed air channel 26 opens in the region above the nozzle 22 into the cavity 7.
  • the compressed air channel 26 can be acted upon via a compressor or via the on-board air pressure of the rail vehicle with compressed air.
  • the ventilation duct 13 has an outlet opening 15, which in Fig. 4 only recognizable as an oval-shaped structure.
  • the inlet opening 14 of the ventilation duct 13 is arranged in the present embodiment on the underside of the Saugdüsentownes 5, but this represents only one of several possible variants. At least one ventilation channel 13 is provided, of course, the number may be larger. In the illustrated embodiment, three ventilation channels 13 are provided, as shown Fig. 3 is recognizable.
  • Fig. 5 shows a section through the suction nozzle insert 5 along the line DD in Fig. 3 , which is exactly executed by a ventilation duct 13.
  • the ventilation duct 13 and its inlet (14) and outlet opening 15 are clearly visible.
  • the main part of the ventilation channel 13 is arranged substantially parallel to the central axis 16 of the housing of the Saugdüsentownes 5, 5 'in the housing and is flowed through by the inlet opening 14 in the direction of a conical portion 9 of the Saugdüsentownes 5, 5'.
  • the end portion of the ventilation duct 13 just before the outlet opening 15 is inclined at an acute angle to the central axis 16 of the Saugdüsentownes 5 down so that the outlet opening 15 of the ventilation channel 13 is oriented away from the conical portion 9, which, however, represents only one of several embodiments.
  • Fig. 2 and Fig. 5 shows an embodiment of the invention in which the outlet opening 15 of the ventilation channel 13 is arranged above the outer opening 11 of the suction channel 10.
  • This outlet opening 15 may in principle be provided below or at the same height with the outer opening 11.
  • FIGS. 2 . 3, 4 and 5 illustrated suction nozzle insert 5 is arranged on the conically converging bottom of a reservoir 2 for brake sand. If brake sand on the rails is required to start or brake the rail vehicle, the compressed air channel 26 is pressurized with compressed air. The pressure is about 1 bar, but may vary depending on the situation.
  • the compressed air flows through the compressed air channel 26 into the suction nozzle insert 5 and through the nozzle 22 at high speed in the injection space 23 and then passes through the venturi tube 24 and through the connected to the sleeve 25 sand conveyor line 8 through the sand bell 21 back out of the system out. Due to the high speed and the venturi tube 24, a negative pressure is created in the injection space 23 which sucks the sand from the surrounding reservoir 2 through the suction channels 10. The sand, which penetrates into the injection space 23, is then entrained by the jet of compressed air penetrating through the nozzle 22. Thus, a brake sand compressed air mixture is produced, which is discharged via the sand conveying line 8 through the sand bell 21.
  • the oblique course of the suction channel 10 prevents sand from penetrating into the injection space 23 and further into the sand conveying line 8 as a result of vibrations, if no sanding command is given.
  • the sand discharge device 1 has two features: On the one hand, at least one ventilation channel 13 is provided, the outlet opening 15 of which is arranged, for example, above the outer opening 11 of the suction channel 10. As a result, the sand above the opening of the suction channel 10 is vented and loosened, whereby clumping and gearing are effectively prevented. Furthermore, the conical portion 9 in the upper region of the housing 6 in the transition region to the cylindrical portion of the housing 6 has a larger diameter than the underlying cylindrical portion. The conical portion 9 thus projects beyond the cylindrical region of the housing 6 - the radius of this annular cover is greater by the amount x than the radius of the underlying cylindrical portion of the housing 6. This amount x is a maximum of 25 percent of the radius of the cylindrical portion ,
  • the conical portion 9 of the housing 6 takes by its configuration the majority of the load of the accumulated over the suction nozzle insert 5 sand. In the vicinity of the cylindrical housing 6, from which the sand is sucked through the suction channel 10 in the suction nozzle insert 5, the sand is therefore exposed to lower pressure and can be easily sucked. This ensures a uniform, continuous sand application.
  • the surface of the conical portion 9 of the housing 6 ideally has an angle of inclination which is greater by one track than the angle of repose of sand and in the range of 30 ° to 40 °.
  • the sand slips even at low level of the reservoir 2 from the conical section 9 and is available for spreading available.
  • the suction nozzle insert 5 can be arranged inclined in the storage container 2. This means that the center axis 16 of the Saugdüsentownes 5 is inclined to the vertical - usually by an angle ⁇ , wherein for the angle ⁇ is: 0 ° ⁇ ⁇ 30 °.
  • FIG. 1a shows a section of Sandaustragungs worn by Fig. 1 , wherein here suction nozzle inserts 5a, 5a 'are shown, which are inclined at such an angle ⁇ to the vertical.
  • a suction nozzle insert 5a is arranged here at the bottom of the storage container 2, while a suction nozzle insert 5a 'at another area, in the present case at the conically converging bottom area, is arranged.
  • a dehumidifying means 17 is arranged in the sand discharge device, which is arranged detachably within the storage container 2.
  • This feature of the invention is in the FIGS. 6 and 7 illustrated in a variant in which the dehumidifying means 17 is arranged on the lid 3 of the Sandein spallstutzens 4 of the reservoir 2.
  • the dehumidifying agent 17 can be attached anywhere in the storage container 2.
  • Fig. 6 shows a section of a reservoir 2 with a Sandein spallstutzen 4 and a lid 3 in the closed state.
  • the lid 3 in this case has a dehumidifying agent 17 located in a container 19 - these are, for example, silica gel, silica gel or comparable drying agents.
  • the container is detachably connected to the lid, for example, a magnetic closure 18 may be provided. In principle, however, any closures are possible.
  • the container may, for example, be a perforated cage made of a metal, for example stainless steel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Closures For Containers (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP09450053.5A 2008-03-13 2009-03-09 Système de sablage pour véhicules ferroviaires Active EP2100788B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09450053T PL2100788T3 (pl) 2008-03-13 2009-03-09 System piaskowania do pojazdów szynowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0040808A AT506538B1 (de) 2008-03-13 2008-03-13 Sandaustragungseinrichtung für ein schienenfahrzeug

Publications (3)

Publication Number Publication Date
EP2100788A2 true EP2100788A2 (fr) 2009-09-16
EP2100788A3 EP2100788A3 (fr) 2011-06-22
EP2100788B1 EP2100788B1 (fr) 2014-12-31

Family

ID=40791214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09450053.5A Active EP2100788B1 (fr) 2008-03-13 2009-03-09 Système de sablage pour véhicules ferroviaires

Country Status (4)

Country Link
EP (1) EP2100788B1 (fr)
AT (1) AT506538B1 (fr)
ES (1) ES2532629T3 (fr)
PL (1) PL2100788T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013000635U1 (de) 2013-01-23 2013-04-22 Bernd Federhen Druckluftbetriebene Sandstreueinrichtung für Schienenfahrzeuge
DE202014004632U1 (de) 2014-06-10 2014-08-29 Klein Anlagenbau Ag Streueinrichtung für das Ausbringen von Schüttgut, insbesondere von Bremssand, an schienengebundenen Fahrzeugen
EP2775142A1 (fr) * 2013-03-07 2014-09-10 Forges de Belles Ondes Dispositif d'éjection de matière granuleuse à venturi
CN110081796A (zh) * 2019-04-25 2019-08-02 中车青岛四方机车车辆股份有限公司 撒砂喷口测量装置及撒砂喷口测量方法
DE202019104990U1 (de) 2018-10-03 2019-09-16 Mbm Holding Gmbh Sandaustragungseinrichtung für ein Schienenfahrzeug
CN110481573A (zh) * 2019-09-25 2019-11-22 华铁西屋法维莱(青岛)交通设备有限公司 一种具有残砂清理的两级撒砂装置及其气路控制方法
AT516916B1 (de) * 2015-02-26 2021-05-15 Knorr Bremse Gmbh Dosieranlage für eine Sandungsanlage eines Schienenfahrzeugs
CN113635925A (zh) * 2021-07-23 2021-11-12 况雨昕 一种轨道交通撒砂系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023560A1 (de) * 2010-06-09 2011-12-15 Siemens Aktiengesellschaft Kunststoffsandkasten für Lokomotiven
DE202014102881U1 (de) 2014-06-24 2014-07-03 Mbm Holding Gmbh Schaltungsanordnung zur Ansteuerung von Sandungseinrichtungen
CN110979360A (zh) * 2019-12-30 2020-04-10 青岛宏达赛耐尔科技股份有限公司 一种增粘装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191328725A (en) 1913-12-12 1914-04-30 James Mccutcheon Coleman Improvements in Sanders.
GB663674A (en) 1949-07-01 1951-12-27 Westinghouse Brake & Signal Improvements relating to sanding devices for vehicles
EP1470981A1 (fr) 2003-04-22 2004-10-27 Zeppenfeld Industrie-Verwaltungs-GmbH Dispositif de sablage de véhicule ferroviaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1404904A (en) * 1921-07-22 1922-01-31 Spencer Charles Sanding device for railways and the like
DE2911075A1 (de) * 1979-03-21 1980-09-25 Knorr Bremse Gmbh Dosiereinrichtung fuer eine sandungsanlage eines fahrzeuges
DE4122032A1 (de) * 1991-02-15 1992-08-20 Knorr Bremse Ag Sandungsanlage fuer fahrzeuge, insbesondere schienenfahrzeuge
DE102005030095B4 (de) * 2004-06-28 2008-03-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Sandungseinrichtung für Schienenfahrzeuge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191328725A (en) 1913-12-12 1914-04-30 James Mccutcheon Coleman Improvements in Sanders.
GB663674A (en) 1949-07-01 1951-12-27 Westinghouse Brake & Signal Improvements relating to sanding devices for vehicles
EP1470981A1 (fr) 2003-04-22 2004-10-27 Zeppenfeld Industrie-Verwaltungs-GmbH Dispositif de sablage de véhicule ferroviaire

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013000635U1 (de) 2013-01-23 2013-04-22 Bernd Federhen Druckluftbetriebene Sandstreueinrichtung für Schienenfahrzeuge
EP2775142A1 (fr) * 2013-03-07 2014-09-10 Forges de Belles Ondes Dispositif d'éjection de matière granuleuse à venturi
FR3002990A1 (fr) * 2013-03-07 2014-09-12 Belles Ondes Forges Dispositif d'ejection de matiere granuleuse a venturi
DE202014004632U1 (de) 2014-06-10 2014-08-29 Klein Anlagenbau Ag Streueinrichtung für das Ausbringen von Schüttgut, insbesondere von Bremssand, an schienengebundenen Fahrzeugen
WO2015189070A1 (fr) 2014-06-10 2015-12-17 Klein Anlagenbau Ag Dispositif d'épandage pour délivrer un matériau en vrac, en particulier du sable de freinage, sur des véhicules ferroviaires
AT516916B1 (de) * 2015-02-26 2021-05-15 Knorr Bremse Gmbh Dosieranlage für eine Sandungsanlage eines Schienenfahrzeugs
DE202019104990U1 (de) 2018-10-03 2019-09-16 Mbm Holding Gmbh Sandaustragungseinrichtung für ein Schienenfahrzeug
CN110081796A (zh) * 2019-04-25 2019-08-02 中车青岛四方机车车辆股份有限公司 撒砂喷口测量装置及撒砂喷口测量方法
CN110081796B (zh) * 2019-04-25 2021-05-07 中车青岛四方机车车辆股份有限公司 撒砂喷口测量装置及撒砂喷口测量方法
CN110481573A (zh) * 2019-09-25 2019-11-22 华铁西屋法维莱(青岛)交通设备有限公司 一种具有残砂清理的两级撒砂装置及其气路控制方法
CN113635925A (zh) * 2021-07-23 2021-11-12 况雨昕 一种轨道交通撒砂系统
CN113635925B (zh) * 2021-07-23 2022-11-18 中交机电工程局有限公司 一种轨道交通撒砂系统

Also Published As

Publication number Publication date
EP2100788A3 (fr) 2011-06-22
ES2532629T3 (es) 2015-03-30
EP2100788B1 (fr) 2014-12-31
AT506538B1 (de) 2010-01-15
PL2100788T3 (pl) 2015-06-30
AT506538A1 (de) 2009-09-15

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