WO2015055610A1 - Dispositif de dosage et de transport de lubrifiant fluide - Google Patents

Dispositif de dosage et de transport de lubrifiant fluide Download PDF

Info

Publication number
WO2015055610A1
WO2015055610A1 PCT/EP2014/071955 EP2014071955W WO2015055610A1 WO 2015055610 A1 WO2015055610 A1 WO 2015055610A1 EP 2014071955 W EP2014071955 W EP 2014071955W WO 2015055610 A1 WO2015055610 A1 WO 2015055610A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricant
metering
metering device
compressed air
inlet
Prior art date
Application number
PCT/EP2014/071955
Other languages
German (de)
English (en)
Inventor
Markus GÄBEL
Werner Bartling
Original Assignee
Nowe 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 Nowe Gmbh filed Critical Nowe Gmbh
Publication of WO2015055610A1 publication Critical patent/WO2015055610A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F16N13/02—Lubricating-pumps with reciprocating piston
    • F16N13/06—Actuation of lubricating-pumps
    • F16N13/16—Actuation of lubricating-pumps with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K3/00—Wetting or lubricating rails or wheel flanges
    • B61K3/02—Apparatus therefor combined with vehicles

Definitions

  • Dosing device for dosing and conveying a flowable
  • the invention relates to a metering device for metering and conveying a flowable lubricant is limited by a housing having a lubricant inlet, a lubricant outlet, one with the lubricant inlet and the lubricant outlet ver ⁇ -bound displacement, which displacement by a movable dosing piston, the opposite to the displacement side of the metering piston is arranged in a spring chamber, which is connected to a connection for compressed air, so that the Do ⁇ sierkolben via the compressed air against a return spring is movable, wherein in the lubricant inlet, a suction valve and in the
  • Lubricant outlet an exhaust valve is arranged.
  • Dosing for dosing and conveying a flowable lubricant for example, for the application of
  • Lubricant used on track wheels of rail vehicle wheels and for applying the lubricant to rail flanks to reduce the wear of the rail wheel and the rail in the area of the flange and, especially when cornering or oscillating, to reduce the noise.
  • WO 79/00307 AI shows a device for dosing and conveying a flowable lubricant of the subject type.
  • the construction is relatively complex.
  • Another metering device is apparent from EP 050 600 Al, wherein instead of a pneumatic piston-cylinder unit, a magnetic coil is used with an iron core.
  • Another metering device of the subject type has become known, for example from DE 1405687 A.
  • the metering and delivery of the flowable lubricant takes place via a compressed air driven pump with a metering piston.
  • the lubricant is sucked out of a container and then forwarded to a line.
  • a portion of the lubricant unwe ⁇ gerlich returns to the Vorratsbenzol ⁇ ter, which is why the amount of lubricant can not be precisely metered.
  • EP 854072 Bl describes a method for controlling the lubricant delivery of a wheel flange lubrication device of rail vehicles, wherein the dosage of the lubricant is carried out as a function of the driving distance.
  • CA 2326030 AI shows a metering device for metering and conveying a flowable lubricant with a nozzle for dispensing a metered amount of the lubricant to the desired location of the flange.
  • the object of the present invention is to provide a metering device mentioned above, which allows precise metering and suitable delivery of the lubricant and is constructed as simple and robust.
  • the Dosiereinrich ⁇ tion should be used for a variety of lubricants such as lubricating oils, oils with solids content to flowable greases.
  • the object of the invention is achieved in that a By ⁇ pass for connecting the connection for the compressed air with the lubricant outlet downstream of the discharge valve is arranged.
  • the arrangement of the intake valve in the lubricant inlet and the discharge valve in the lubricant outlet prevents Be ⁇ movement of the lubricant back into the lubricant reservoir and allows precise metering in response to the stroke of the metering. Due to the arrangement of the bypass, the compressed air used for Be ⁇ actuation of the metering piston can also be used for the promotion of flowable lubricant. So ⁇ with the lubricant intermittently into the feed line do ⁇ Siert and with the same air pressure as required for operation of the Metering piston used is cyclically conveyed on.
  • the Län ⁇ ge of the delivery line between metering and lubrication point, for example, the flange of a rail wheel, must of course by appropriate dosage and promotion of
  • Lubricant be bridged before lubricant exits at the ge ⁇ desired location.
  • the construction is relatively simple and thus inexpensive and robust and relatively low maintenance.
  • the lubricant inlet at the top of the housing is arranged so that the lubricant can automatically pass via gravity into the metering device without a ⁇ devices such as pumps.
  • the spring chamber has an opening for connection to the lubricant container, a volume compensation for the movement of the metering piston can be achieved. Theoretically, this would also be possible with an opening in the vicinity of the metering device, only then problems could occur with respect to the pollution and leakage, which are omitted in an opening of the spring chamber to the lubricant reservoir.
  • the winnings ⁇ kung can be adjusted via the compressed air bypass.
  • a check valve is further arranged in the bypass, whereby an entry of the lubricant is prevented in the compressed air supply line.
  • a device for adjusting the stroke of the metering piston can be vorgese ⁇ hen.
  • the change in the stroke of the metering piston is a particularly simple and robust way to adjust the metered amount of lubricant.
  • the adjusting device can be gebil ⁇ det by an adjusting screw. This is the simplest and most cost-effective possible ⁇ ness to change the metered amount of lubricant.
  • the adjusting device may also be formed by a motor. This could result in automated changes tion of the dosage of lubricant.
  • connection for compressed air is connected to a compressed air source with a pressure of 3 to 5 bar.
  • Compressed air in this pressure range is easy, for example, with an auxiliary compressor, generated, whereby the cost of operation of the metering device can be kept low.
  • a delivery line for connection to at least one spray nozzle is arranged. Via the spray nozzle it ⁇ follows the application of the lubricant to the desired Stel ⁇ le, for example, the wheel flange of a railway wheel or the flank of the rail.
  • the delivery line is connected to a plurality of spray nozzles via a distributor, simultaneous delivery of the product can be achieved
  • Lubricant can be made in several places.
  • the distributor must be designed so that in each duct or to each ⁇ the spray nozzle substantially the same quantity is delivered to the lubricant.
  • the distributor has a distributor inlet and a plurality of distributor outlets corresponding to the number of spray nozzles.
  • the inlet manifold and the plurality of manifold outlets must be so kon ⁇ struiert in terms of their geometry, that a simultaneous splitting of the lubricating means to all distributor outlets is possible ⁇ .
  • the manifold inlet to the bottom of Ver ⁇ divider and the manifold outlets is off over the manifold inlet orderly. This arrangement ensures that the lubricant does not flow into the distributor outlets due to gravity and leads to an undesired uneven distribution of the lubricant via the spray nozzles.
  • the spray nozzles can be connected via a thread with the feed line to allow easy and quick assembly and Demon ⁇ days of the spray nozzles.
  • Figure 1 is a schematic overview of a system for flange ⁇ lubrication in a rail vehicle.
  • Figure 2 is a schematic sectional view of a variant of a Do ⁇ sier overlooked for metering and conveying a lubricant using compressed air.
  • Figure 3 is a schematic sectional view of a variant of a Do ⁇ sier overlooked for dosing a lubricant using compressed air, but with hydraulic lubricant delivery.
  • FIG. 4 shows an exploded view of an embodiment of a compressed air-actuated metering device
  • FIG. 5 shows the compressed air-operated metering device according to FIG. 4 in the assembled state in a perspective view
  • FIG. 6 shows a connection of four spray nozzles via a distributor with the metering device
  • FIG. 7 shows the distributor according to FIG. 6 in a vertically sectioned illustration
  • FIG. 8 shows the distributor according to FIG. 7 along the section line VIII - VIII;
  • FIG. 10 shows the sectional view through the spray nozzle according to FIG. 9 along the section line X-X.
  • Fig. 1 shows a schematic overview of a system for tracking ⁇ flange lubrication in a rail vehicle.
  • the metering device 1 for metering and conveying a flowable
  • Lubricant 2 is below a lubricant container 11 arranged. Via a connection 7 compressed air 8 for Dosie ⁇ tion and possibly also promotion of the lubricant 2 is introduced into the metering device 1. For this purpose, a
  • Compressed air source 27 connected to a corresponding controller 28 and various pressure regulators and valves to the terminal 7. Via a lubricant outlet 5 of the metering device
  • the lubricant enters a delivery line 25 and all ⁇ if in a manifold 30, where the lubricant is divided into a plurality of delivery lines 25.
  • the conveying lines 25 are preferably spray nozzles 29, through which the fluid lubricant capable ⁇ 2 is at the desired location, for example the wheel flange 35 of a rail wheel 34, is applied.
  • the flanges and the corresponding parts of the rail can be provided with lubricant to reduce wear on both the rail 34 and on the rail and to prevent the noise.
  • FIG. 2 shows a schematic sectional view of a variant of a metering device 1 for metering and conveying a lubricant 2 using compressed air 8.
  • the compressed air 8 is used both for the metering and for the delivery of the lubricant 2, which is why also from the pneumatic dosing and
  • the metering device 1 comprises a housing 3 with a lubricant inlet 4, a lubricant ⁇ karauslass 5 and connected to the lubricant inlet 4 and the lubricant outlet 5 displacement 6.
  • a metering 9 is arranged to be movable, wherein the displacement of the 6 opposite side of the metering 9 is arranged in a spring chamber 6 ', which is connected to a connection 7 for the compressed air 8.
  • the metering piston 9 can be moved against the force of the return spring 10 via the compressed air 8, which is introduced via the connection 7, whereby lubricant is metered from the lubricant inlet 4 into the lubricant outlet 5.
  • the metering device 1 is arranged below the lubricant ⁇ medium tank 11 and the lubricant inlet 4 is arranged at the top of the housing 3.
  • the spring chamber 6 ' is connected via an opening 12 with the lubricant container 11. In this way, the volume compensation can take place during a movement of the metering piston 9.
  • a bypass 15 is arranged between the connection 7 for the compressed air 8 with the lubricant outlet 5 downstream of the discharge valve 14.
  • a throttle 16 and a check valve 17 can be arranged ⁇ .
  • the compressed air 8 for both the movement of the metering piston 9 for metering the lubricant 2 and for conveying the
  • Lubricant 2 via the lubricant outlet 5 and the connected conveyor lines 25 used. This provides a simple and efficient method for metering and delivering a flowable lubricant.
  • FIG. 3 shows a schematic sectional view of a variant of a metering device 1 for metering and conveying a lubricant 2, using compressed air for metering the lubricant 2.
  • the bypass 15 is 29los ⁇ sen with a plug 21, so that the compressed air 8 is only used for moving the Dosierkol ⁇ bens 9 and thus only for metering the lubricant 2.
  • the promotion of the lubricant 2 takes place from ⁇ finally on the pumping force of the metering 9, without Zuhil ⁇ feddling of compressed air 8.
  • the advantage over the variant of FIG. 2 is that less compressed air is needed.
  • the metering device 1 comprises a housing 3 with a lubricant inlet 4 on the top side and a lubricant outlet 5.
  • the metering piston 9 and the return spring 10 are inserted into the spring chamber 6 'of the metering device.
  • Device 1 introduced and using a seal 20, the housing 3 is connected to a housing cover 18 via corresponding fasteners 19.
  • the adjusting screw 22 is arranged to define the stroke ⁇ of the metering piston 9.
  • Compressed air 8 for actuating the metering device 1 and metering and delivery of the lubricant 2 is introduced via a connection 7. In the port 7 and the bypass 15 (not visible), the throttle and the check valve 17 is introduced.
  • the housing 3 is connected to the lubricant container 11, possibly with the interposition of a seal 24.
  • Fig. 5 shows the compressed air-operated metering device 1 according to FIG. 4 in the assembled state in a perspective view.
  • the metering device 1 is particularly compact and relatively small in size.
  • FIG. 6 shows a connection of four spray nozzles 29 via a distributor 30 with the metering device 1.
  • the metering device 1 as described in FIGS. 4 and 5, is connected via a conveyor line 25 by means of fastening elements 26 to a distributor inlet 31 of a Distributor 30 connected.
  • the distributor 30 has four distributor outlets 32, on which, in turn, four delivery lines 25 are arranged via corresponding fastening elements 26.
  • the delivery lines 25 extend to four spray nozzles 29, via which the lubricant 2 is transported to the corresponding location, for example the wheel flange of a rail wheel (not shown).
  • the manifold inlet 31 of the manifold 30 is arranged on the underside of the Ver ⁇ divider 30 and the manifold outlets arranged at 32 above ⁇ . This prevents that the lubricant 2 is unintentionally unevenly distributed to the spray nozzles 29 by gravity.
  • Fig. 7 shows the distributor 30 of FIG. 6 in vertical marnit ⁇ tener representation.
  • the manifold 30 has a manifold inlet 31 and four manifold outlets 32, with the manifold inlet 31 disposed below the manifold outlets 32.
  • the Partial inlet 31 is connected via corresponding distribution channels 33 with the Verteilerauslässen 32.
  • Corresponding geometry ensures that essentially the same amount of lubricant ⁇ gets into each of the four distributor outlets 32.
  • the horizontal section through the distributor 30 along the section ⁇ line VIII-VIII in Fig. 7 in FIG. 8 shows the arrangement of the distribution channels 33 between the Vermaschineinlass 31 and the distri ⁇ lerauslässen 32 of the manifold 30.
  • Fig. 9 shows an embodiment of a spray nozzle 29 in side view.
  • the spray nozzle 29 is arranged conically and preferably has a thread 36 for screwing onto a winninglei ⁇ device 25, as shown in the sectional view of FIG. 10 can be seen.
  • a receptacle for a corresponding tool can be arranged.
  • the spray nozzle is preferably made of metal, game example, produced at ⁇ brass.
  • the other components e.g. the distributor 30, the delivery lines 25 and the housing of the metering device 1 are also preferably made of metal, for example brass or aluminum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un dispositif de dosage (1), destiné à doser et transporter un lubrifiant fluide (2), qui comprend un boîtier (3) doté d'une entrée de lubrifiant (4), d'une sortie de lubrifiant (5) et d'une cylindrée (6), reliée à l'entrée (4) et à la sortie (5) de lubrifiant, qui est limitée par un piston de dosage déplaçable (9). Selon l'invention, le côté du piston de dosage (9) qui est opposé à la cylindrée (6) est disposé dans une chambre de ressort (6') reliée à un raccord (7) d'air comprimé (8) de telle sorte que le piston de dosage (9) peut se déplacer contre un ressort de rappel (10) par l'intermédiaire de l'air comprimé (8), un clapet d'aspiration (13) étant disposé dans l'entrée de lubrifiant (4) et un clapet d'échappement (14) dans la sortie de lubrifiant (5). Selon l'invention, une dérivation (15) est disposée en aval du clapet d'échappement (14) afin de relier le raccord (7) d'air comprimé (8) à la sortie de lubrifiant (5).
PCT/EP2014/071955 2013-10-15 2014-10-14 Dispositif de dosage et de transport de lubrifiant fluide WO2015055610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50665/2013 2013-10-15
ATA50665/2013A AT515059B1 (de) 2013-10-15 2013-10-15 Dosiereinrichtung zum Dosieren und Fördern eines fließfähigen Schmiermittels

Publications (1)

Publication Number Publication Date
WO2015055610A1 true WO2015055610A1 (fr) 2015-04-23

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Application Number Title Priority Date Filing Date
PCT/EP2014/071955 WO2015055610A1 (fr) 2013-10-15 2014-10-14 Dispositif de dosage et de transport de lubrifiant fluide

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AT (1) AT515059B1 (fr)
WO (1) WO2015055610A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107472263A (zh) * 2017-06-30 2017-12-15 中车大连机车车辆有限公司 一种防止撒砂管堵塞的撒砂单元
US20200361499A1 (en) * 2018-03-05 2020-11-19 Nowe Gmbh Device and method for dispensing a friction-coefficient-optimizing mixture
CN112512892A (zh) * 2018-08-06 2021-03-16 诺维有限公司 用于散布颗粒的装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB993571A (en) * 1961-04-11 1965-05-26 Charlotte Vogel Improvements in wheel-flange lubrication
FR2408499A1 (fr) * 1977-11-15 1979-06-08 Bohlin E Ab Installation pour la lubrification partielle de rails de chemin de fer
US6186411B1 (en) * 1999-11-15 2001-02-13 Westinghouse Air Brake Technologies Corporation Wheel flange lubrication nozzle
DE202008001220U1 (de) * 2008-01-29 2008-04-03 Baier & Köppel GmbH & Co. Einrichtung zur Aufbringung von Schmierstoff

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448158B (sv) * 1980-10-17 1987-01-26 Bohlin E Ab Anordning for smorjning av reler
DE3119333A1 (de) * 1981-05-15 1982-12-02 Wabco Steuerungstechnik GmbH & Co, 3000 Hannover Dosiereinrichtung fuer schmiermittel
DE3633895A1 (de) * 1986-10-04 1988-04-07 Wabco Westinghouse Steuerung Dosiereinrichtung
DE102006025776B3 (de) * 2006-05-31 2007-09-27 Rebs Zentralschmiertechnik Gmbh Vorrichtung und Verfahren zum Ausbringen eines feste Partikel enthaltenden, an Luft trocknenden Schmierstoffs auf eine Schmierstelle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB993571A (en) * 1961-04-11 1965-05-26 Charlotte Vogel Improvements in wheel-flange lubrication
FR2408499A1 (fr) * 1977-11-15 1979-06-08 Bohlin E Ab Installation pour la lubrification partielle de rails de chemin de fer
US6186411B1 (en) * 1999-11-15 2001-02-13 Westinghouse Air Brake Technologies Corporation Wheel flange lubrication nozzle
DE202008001220U1 (de) * 2008-01-29 2008-04-03 Baier & Köppel GmbH & Co. Einrichtung zur Aufbringung von Schmierstoff

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107472263A (zh) * 2017-06-30 2017-12-15 中车大连机车车辆有限公司 一种防止撒砂管堵塞的撒砂单元
CN107472263B (zh) * 2017-06-30 2019-03-19 中车大连机车车辆有限公司 一种防止撒砂管堵塞的撒砂单元
US20200361499A1 (en) * 2018-03-05 2020-11-19 Nowe Gmbh Device and method for dispensing a friction-coefficient-optimizing mixture
US11926350B2 (en) * 2018-03-05 2024-03-12 Nowe Gmbh Device and method for dispensing a friction-coefficient-optimizing mixture
CN112512892A (zh) * 2018-08-06 2021-03-16 诺维有限公司 用于散布颗粒的装置

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Publication number Publication date
AT515059B1 (de) 2015-08-15
AT515059A1 (de) 2015-05-15

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