EP3420139A1 - Sand removal device - Google Patents
Sand removal deviceInfo
- Publication number
- EP3420139A1 EP3420139A1 EP17719528.6A EP17719528A EP3420139A1 EP 3420139 A1 EP3420139 A1 EP 3420139A1 EP 17719528 A EP17719528 A EP 17719528A EP 3420139 A1 EP3420139 A1 EP 3420139A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail vehicle
- air
- sand
- air flow
- wheels
- 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
- 239000004576 sand Substances 0.000 title abstract description 20
- 230000006978 adaptation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010012411 Derailment Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
- E01H8/105—Pneumatically or hydraulically loosening, removing or dislodging undesirable matter, e.g. removing by blowing, flushing, suction; Application of melting liquids; Loosening or removing by means of heat, e.g. cleaning by plasma torches, drying by burners
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
-
- 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
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
Definitions
- the invention relates to a desanding device for a rail vehicle
- the invention is therefore based on the object, a
- Specify desanding device for a rail vehicle which is maintenance and wear-free and which does not require any connections to electrical or pneumatic systems of the rail vehicle.
- Embodiments are the subject of subordinate claims.
- Desanding device constructed for a rail vehicle, which at least one air guide with
- Air guiding device is designed so that caused by the movement of the rail vehicle air flow to a position immediately in front of the wheels of a in
- the advantage can be achieved to remove the adhering to the rail head sand and to prevent grinding of this sand through the wheels of the rail vehicle can.
- wear of wheels is reduced.
- Another significant advantage of the invention is that the desander has no moving parts or brushes and no connections to
- a preferred embodiment of the invention provides that the directly in front of the wheels in the direction of travel
- the air flow directed at the leading axis of the rail vehicle is a horizontal component of normal velocity
- Movement direction of the rail vehicle comprises. This is done by guiding the airflow into an appropriate one
- the angle of the air flow with respect to the track is to be selected so that the sand leaves the track surface before the wheel touches the relevant point.
- the spoiler can be designed in several ways, according to a first preferred
- the louver formed as a tube is. This tube extends from the front of the
- the wheel facing the end of the tube may be equipped with a narrowing the tube cross-section nozzle, whereby the outflow characteristics, esp.
- Execute air guide device as a tube with decreasing in the direction of movement of the air flow cross-section.
- Desanding device provides to perform the louver as an air baffle.
- an air baffle is to be arranged immediately in front of the leading wheel, which
- Air baffle consists in the simplest case of a
- Air flow is taken and not grinded by the wheel.
- the air baffle can in a simple design as
- the streamlined air guide plate has an overpressure and a negative pressure side, which results from the arrangement in a moving air mass. Both the overpressure arising from the flow (from the upstream side of the air guide plate) can be used for desanding and also the negative pressure at the non-flow side.
- the second is advantageous in practical embodiments of the invention, since thereby the Luftbleitblech can be arranged closer to the vehicle longitudinal axis and the space for the air baffle may under no circumstances protrude from the gauge of the vehicle.
- the air baffle can also, similar to the wing of an aircraft be equipped with a streamlined profile, which allows a particularly accurate management of the air flow, but increases the construction cost of a baffle.
- Air flow passes directly in front of the wheels of a leading in the direction of travel axis of the rail vehicle. This can be done for example by appropriately shaped underfloor containers or similar devices.
- Fig.l shows an example and schematically the end face of a rail vehicle with a desander. It is a view of the front side of a rail vehicle 1, which below the car body a
- Air inlets 3 are arranged, which open into a respective tubular air duct 2 and through which the air flow caused by the movement of the rail vehicle 1 is partially conducted into the air ducts 2.
- a Bruschreibr 5 is particularly well suited for the connection of an air inlet 3.
- a Air inlet 3 are arranged at a different position on the front side of a rail vehicle 1.
- FIG. 2 shows by way of example and schematically the underside of a rail vehicle with a desander. It is the bottom of the rail vehicle 1 of Fig.l shown. In this view, the structure and function of the rail vehicle 1 of Fig.l shown.
- the air flow 6 through the tubular air ducts 2 occurs at the end of the air ducts 2, in front of the respective associated wheel 4.
- Openings of the air ducts 2 or optional nozzles at the end of the air ducts 2 are not shown in this schematic diagram.
- tubular air duct with narrowing cross-section. It is the embodiment of FIG. 2, wherein the tubular air duct 2 a curved course with
- FIG. 4 shows by way of example and schematically a rail vehicle with a desander from an air guide plate in a side view. It is a side view on one
- Rail vehicle 1 shown in the forehead which is similar to that shown in Figs. 1 to 3
- Embodiment comprises a Brueckr 5. Between the Brueckr 5 and the leading wheel 4 is a Brueckr 5. Between the Brueckr 5 and the leading wheel 4 is a Brueckr 5.
- the air baffle 7 is by means of a fastening 8 on the car body of the rail vehicle 1 solvable
- FIG. 5 shows by way of example and schematically the underside of a rail vehicle with a desandering device from an air guide plate.
- the underside of the rail vehicle 1 from FIG. 4 is shown.
- the angled to the longitudinal axis of the rail vehicle 1 arrangement of the air baffles 7 can be seen, which is transverse to the direction of travel
- Air flow 6 is caused by the resulting pressure on the air guide 7 vacuum.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50357/2016A AT518603B1 (en) | 2016-04-22 | 2016-04-22 | Entsandungseinrichtung |
PCT/EP2017/059110 WO2017182428A1 (en) | 2016-04-22 | 2017-04-18 | Sand removal device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3420139A1 true EP3420139A1 (en) | 2019-01-02 |
EP3420139B1 EP3420139B1 (en) | 2020-10-07 |
Family
ID=58632955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17719528.6A Active EP3420139B1 (en) | 2016-04-22 | 2017-04-18 | Sand removal device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3420139B1 (en) |
AT (1) | AT518603B1 (en) |
ES (1) | ES2835077T3 (en) |
WO (1) | WO2017182428A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10167600B2 (en) * | 2013-10-01 | 2019-01-01 | Volvo Truck Corporation | Particle removing arrangement for an electric vehicle |
CN108867535B (en) * | 2018-06-11 | 2019-12-03 | 诸暨东白电农农业开发有限公司 | A kind of clear husky device for desert section rail |
CN109837861B (en) * | 2019-03-21 | 2020-11-10 | 石家庄铁道大学 | Bucket wheel type track sand removing vehicle |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US521544A (en) * | 1894-06-19 | Snow-cleaning attachment for locomotive-engines | ||
US2374312A (en) * | 1944-02-25 | 1945-04-24 | Tackett Elijah | Railroad track cleaner |
JPS5024494B2 (en) * | 1972-06-15 | 1975-08-15 | ||
US10167600B2 (en) * | 2013-10-01 | 2019-01-01 | Volvo Truck Corporation | Particle removing arrangement for an electric vehicle |
US9631332B2 (en) * | 2014-08-28 | 2017-04-25 | Electro-Motive Diesel, Inc. | Movable sand plow for locomotive |
-
2016
- 2016-04-22 AT ATA50357/2016A patent/AT518603B1/en not_active IP Right Cessation
-
2017
- 2017-04-18 EP EP17719528.6A patent/EP3420139B1/en active Active
- 2017-04-18 ES ES17719528T patent/ES2835077T3/en active Active
- 2017-04-18 WO PCT/EP2017/059110 patent/WO2017182428A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
AT518603A1 (en) | 2017-11-15 |
WO2017182428A1 (en) | 2017-10-26 |
ES2835077T3 (en) | 2021-06-21 |
EP3420139B1 (en) | 2020-10-07 |
AT518603B1 (en) | 2018-02-15 |
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