DE202005017304U1 - Sand spray nozzle for rail vehicles has convex shape producing wind in sand spray channel and in hose which keeps them free of dust, and side plates channelling sand in front of vehicle wheel for lubrication - Google Patents

Sand spray nozzle for rail vehicles has convex shape producing wind in sand spray channel and in hose which keeps them free of dust, and side plates channelling sand in front of vehicle wheel for lubrication Download PDF

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Publication number
DE202005017304U1
DE202005017304U1 DE200520017304 DE202005017304U DE202005017304U1 DE 202005017304 U1 DE202005017304 U1 DE 202005017304U1 DE 200520017304 DE200520017304 DE 200520017304 DE 202005017304 U DE202005017304 U DE 202005017304U DE 202005017304 U1 DE202005017304 U1 DE 202005017304U1
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DE
Germany
Prior art keywords
sand
pos
hose
dust
sanding nozzle
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.)
Expired - Lifetime
Application number
DE200520017304
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German (de)
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IBEG SYSTEMS GmbH
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IBEG SYSTEMS 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
Application filed by IBEG SYSTEMS GmbH filed Critical IBEG SYSTEMS GmbH
Priority to DE200520017304 priority Critical patent/DE202005017304U1/en
Publication of DE202005017304U1 publication Critical patent/DE202005017304U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
    • B61H11/005—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types in combination with rail sanding, door opening or the like
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

The bottom of the sand spray nozzle is convex-shaped (pos 1). This convex shape produces by means of the relative wind in the sand spray channel (pos 2) and in the hose an under pressure thereby keeping the hose and channel free of dust and moisture. The suction effect is enhanced by side guide plates on the underside which can target sand to flow in front of the wheel of the rail vehicle.

Description

Die Erfindung betrifft eine Sandstreudüse für Schienenfahrzeuge, bei der das Gehäuse strömungsmechanisch optimiert ist. Die Unterseite der Düse ist konvex ausgeformt , so dass mit dem Fahrtwind ein Sog erzeugt wird. Die erzeugte Sogwirkung soll bewirken, dass der Sandstreukanal und der Förderschlauch trocken und staubfrei gehalten wird. Mit Hilfe der seitlich angebrachten Flabs soll der Unterdruck weiter verstärkt werden, und der Sand soll mit Hilfe der erzeugten Strömung gezielt zu dem Spalt zwischen Rad und Schiene gelenkt werden. Des weiteren ist diese Sandstreudüse so ausgeformt, dass keine Verwirbelungen zwischen Düse und Rad erzeugt werden, die den Sandstrom ablenken könnten.The The invention relates to a sanding nozzle for rail vehicles, in which the housing fluid mechanics is optimized. The bottom of the nozzle is convex, so that a suction is generated with the wind. The generated suction effect should cause the sanding channel and the delivery hose to be dry and dust-free is held. With the help of the side-mounted flabs of the Negative pressure further amplified and the sand should be targeted with the aid of the generated flow be directed to the gap between the wheel and rail. Furthermore is this sanding nozzle shaped so that there is no turbulence between the nozzle and the wheel be generated, which could distract the flow of sand.

Sandstreudüsen für Schienenfahrzeuge sind bekannt, sie sind ein Teil eines pneumatisch betätigten Sandstreusystems.Sanding nozzles for rail vehicles are known, they are part of a pneumatically operated sanding system.

Die Sandaustrageeinheit ist direkt am Sandbehälter angebracht. Von dort aus wird der Sand über eine Schlauchverbindung zur Sandstreudüse gefördert. Mit dieser Düse soll sichergestellt werden, dass während des Bremsvorganges der Sand an die Räder der Fahrzeuge gelangt, um das Rutschen oder Gleiten der Räder auf den Schienen zu unterbinden.The Sanding unit is attached directly to the sand tank. From there the sand gets over one Hose connection promoted to Sandstreudüse. With this nozzle should be assured that during the braking process causes the sand to reach the wheels of the vehicles, to prevent slipping or sliding of the wheels on the rails.

Claims (6)

Diese Sandstreudüse wird insbesondere in den Bremssystemen der Straßenbahnen eingesetzt. Diese Sandstreudüse ist durch ihre strömungsmechanisch optimierte Formgebung gekennzeichnet.This sanding nozzle is used in particular in the Braking systems of trams used. This sanding nozzle is through its fluidic optimized shape characterized. Sandstreudüse nach Anspruch 1 dadurch gekennzeichnet, dass die Unterseite mit einer Konvexen ausgeformt ist. Diese Konvexe (Pos. 1) erzeugt mittels des Fahrtwindes im Sandstreukanal (Pos. 2) und im Förderschlauch einen Unterdruck, mit dem Ziel, den Schlauch und den Sandstreukanal frei von Staub und Feuchtigkeit zu halten. (1)Sanding nozzle according to claim 1, characterized in that the underside is formed with a convex. These convexes (pos. 1 ) generated by means of the wind in Sandstreukanal (pos. 2 ) and in the delivery hose a vacuum, with the aim to keep the hose and the Sandstreukanal free of dust and moisture. ( 1 ) Sandstreudüse nach Anspruch 1 und 2 ist dadurch gekennzeichnet, dass die Sogwirkung an der Unterseite durch die seitlichen Führungsbleche (Flabs) (Pos. 3) verstärkt wird und den Sand mit der Strömung gezielt vor das Rad des Schienenfahrzeuges bringt. (2)Sanding nozzle according to claim 1 and 2 is characterized in that the suction effect at the bottom by the lateral guide plates (Flabs) (pos. 3 ) is strengthened and brings the sand with the flow targeted in front of the wheel of the rail vehicle. ( 2 ) Sandstreudüse nach Anspruch 1 bis 3 dadurch gekennzeichnet, dass sie eine Tropfenform (Pos. 4) hat, damit keine Verwirbelungen im Bereich zwischen Sandstreudüse und Rad erzeugt werden. (3)Sanding nozzle according to claim 1 to 3, characterized in that it has a teardrop shape (pos. 4 ), so that no turbulence in the area between sanding nozzle and wheel are generated. ( 3 ) Sandstreudüse nach Anspruch 1 bis 4 dadurch gekennzeichnet, dass das Versorgungskabel (Pos. 5) der Heizpatrone im Windschatten des Förderschlauches (Pos. 6) positioniert ist und so vor Verschmutzung und Zerstörung geschützt ist. (4)Sanding nozzle according to claim 1 to 4, characterized in that the supply cable (pos. 5 ) of the heating cartridge in the lee of the delivery hose (pos. 6 ) and thus protected against contamination and destruction. ( 4 ) Sandstreudüse nach Anspruch 1 bis 5 dadurch gekennzeichnet, dass die Sandstreudüse vor Ort dicht am Rad angeordnet ist.Sandstreudüse according to claim 1 to 5, characterized in that the sanding nozzle tight on site is arranged on the wheel.
DE200520017304 2005-11-05 2005-11-05 Sand spray nozzle for rail vehicles has convex shape producing wind in sand spray channel and in hose which keeps them free of dust, and side plates channelling sand in front of vehicle wheel for lubrication Expired - Lifetime DE202005017304U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200520017304 DE202005017304U1 (en) 2005-11-05 2005-11-05 Sand spray nozzle for rail vehicles has convex shape producing wind in sand spray channel and in hose which keeps them free of dust, and side plates channelling sand in front of vehicle wheel for lubrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520017304 DE202005017304U1 (en) 2005-11-05 2005-11-05 Sand spray nozzle for rail vehicles has convex shape producing wind in sand spray channel and in hose which keeps them free of dust, and side plates channelling sand in front of vehicle wheel for lubrication

Publications (1)

Publication Number Publication Date
DE202005017304U1 true DE202005017304U1 (en) 2006-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE200520017304 Expired - Lifetime DE202005017304U1 (en) 2005-11-05 2005-11-05 Sand spray nozzle for rail vehicles has convex shape producing wind in sand spray channel and in hose which keeps them free of dust, and side plates channelling sand in front of vehicle wheel for lubrication

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DE (1) DE202005017304U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253185A1 (en) 2022-03-31 2023-10-04 Nowe GmbH Discharge nozzle for discharging spreadable material or lubricant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253185A1 (en) 2022-03-31 2023-10-04 Nowe GmbH Discharge nozzle for discharging spreadable material or lubricant

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20060209

R150 Term of protection extended to 6 years

Effective date: 20081126

R151 Term of protection extended to 8 years
R151 Term of protection extended to 8 years

Effective date: 20111121

R152 Term of protection extended to 10 years

Effective date: 20131114

R071 Expiry of right