CN102395502A - Lubricant applicator for a wheel of a railbound vehicle - Google Patents
Lubricant applicator for a wheel of a railbound vehicle Download PDFInfo
- Publication number
- CN102395502A CN102395502A CN201080016517XA CN201080016517A CN102395502A CN 102395502 A CN102395502 A CN 102395502A CN 201080016517X A CN201080016517X A CN 201080016517XA CN 201080016517 A CN201080016517 A CN 201080016517A CN 102395502 A CN102395502 A CN 102395502A
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- China
- Prior art keywords
- lubricant
- applicator
- rod
- wheel
- cylinder
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Braking Arrangements (AREA)
- Sealing Devices (AREA)
- Coating Apparatus (AREA)
Abstract
A lubricant applicator (1) for a wheel (8) of a trackbound vehicle comprises an applicator cylinder (26) for a lubricant stick (6). The lubricant applicator (1) further comprises a piston (36), which is arranged to run in the applicator cylinder (26) and to press the lubricant stick (6) against said wheel (8), and a space (37) inside the applicator cylinder (26) which is arranged to receive a pressurized fluid for pressing the piston (36) against the lubricant stick (6).
Description
Technical field
The present invention relates to be used for the lubricant applicator of the wheel of the track travel vehicle (trackbound vehicle), said applicator comprises the applicator cylinder that is used for the lubricant rod.
The invention still further relates to the method for lubricating the wheel of the track travel vehicle by means of the lubricant applicator that comprises the applicator cylinder that is used for the lubricant rod.
Technical background
The wheel that plan is used for railway carriage, locomotive engine, rail vehicle or some other track travel vehicle has tread and flange; Tread is intended the top that the wheel be used to be close to rail will roll above that and is assigned to roll; Flange is responsible for being close to rail and is led, and makes the track travel vehicle not leave rail.
The tread of above-described wheel is close to the last side roll of rail with low-down friction.Yet the flange of the wheel of above-described type will become with the sideslip of rail is moving and contact.This moving contact causes producing friction and undesirable wearing and tearing at wheel and rail on the two.
US 5,054, and 582 have described to be arranged to solid lubricant bar is tightly suppressed position that tread and flange on the wheel engage to reduce the lubricant applicator of above-described friction.
US 5,054, and the problem of disclosed lubricant applicator is in 582, and the lubricant rod sticks in its retainer easily and can not travel forward with the mode of expectation.
Summary of the invention
The purpose of this invention is to provide and be used for the lubricant applicator of lubricant application on the flange of the wheel that is included in the track travel vehicle, said lubricant applicator needs to safeguard hardly.
This purpose realizes that by means of the lubricant applicator of the wheel that is used for the track travel vehicle said applicator comprises the applicator cylinder that is used for the lubricant rod, it is characterized in that said lubricant applicator also comprises:
Piston, it is arranged in the said applicator cylinder and moves and said lubricant rod is tightly suppressed said wheel, and
In the space of said applicator cylinder interior, it is arranged to the reception compression fluid, said piston is tightly suppressed said lubricant rod.
The advantage of this lubricant applicator is to have guaranteed that failure-free is lubricated.Additional advantage is that the pressure that rod is tightly suppressed wheel is independent of the degree that rod is worn basically.
According to embodiment preferred, the applicator cylinder has circular cross-sectional plane.The advantage of this embodiment is that the effective sealing between applicator cylinder and lubricant rod can encircle easily and realize by means of for example O shape.
According to embodiment preferred, control setup is arranged to from the sensor of at least one operating parameter of the sense walking vehicle and receives at least one signal, and is provided to the pressure of the compression fluid in this space according to said signal control.The advantage of this embodiment is, makes according to the current needs to lubricant and applies the lubricant possibility that becomes.At for example bend place, more lubricant can be coated, and can apply less lubricant at straight extension place.This has reduced the average consumprion of lubricant.
According to embodiment preferred; The two forms lubricant rod and applicator cylinder by conductive material and is electrical contact with each other, wherein from rail pass to the electric current of said wheel can be through said lubricant excellent and said applicator cylinder further conduct to the track travel vehicle.The advantage of this embodiment is, the electric load by being caused by the electric current of conduction through bearing on the bearing of wheel can be reduced, and therefore has the maintenance cost of minimizing.
According to embodiment preferred, the lubricant rod is formed by the material that comprises graphite.The advantage of graphite is that it not only has lubrication qualities but also conducts electricity.
According to an embodiment, the part of lubricant rod has formed the said piston that in the applicator cylinder, moves.The advantage of this embodiment is, because the lubricant rod both is used as rod at it by the end place that guides towards wheel, is used as piston at it by the end place towards the guiding of said space again, so needs considerably less part.
According to another embodiment preferred, isolation piston is arranged in and moves and tightly suppressed the lubricant rod in the applicator cylinder.The advantage of this embodiment is, the safety of the leakage of compression fluid is increased, and this is a particular importance during hydraulic oil for example using the compression fluid that should not be bled in the environment.
According to embodiment preferred, the applicator cylinder attaches to the carriage that is installed on the track travel vehicle releasedly.The advantage of this embodiment is that the replacing and the maintenance of lubricant rod become very easy.
Other purpose of the present invention provides high efficiency and the failure-free method of lubricant application in the wheel of the track travel vehicle.
The method of the wheel of this purpose through lubricating the track travel vehicle by means of following lubricant applicator realizes; Said applicator comprises the applicator cylinder that is used for the lubricant rod; Wherein said lubricant applicator also comprises piston and in the space of said applicator cylinder interior; Said piston is arranged in the said applicator cylinder and moves and said lubricant rod is tightly suppressed said wheel, and said space is arranged to the reception compression fluid, said piston is tightly suppressed said lubricant rod; At least one operating parameter of current operating conditions of wherein describing the said track travel vehicle is measured, and
Pressure in the said space is suitable for providing lubricated to the expectation of said wheel with respect to said current operating conditions.
An advantage of this method is to have realized the high efficiency of wheel and controlled lubricating.
Preferably, said at least one operating parameter comprises at least one in the present speed of current bend position and the track travel vehicle of the track travel vehicle.Bend position and speed are that lubricated needs are had two parameters in those parameters of maximum effect, and wherein the bend position is the degree of crook whether vehicle are in bend place and bend.
Additional advantage of the present invention and characteristic will become obvious from the description and the claim of hereinafter.
The accompanying drawing summary
The present invention will describe by means of the embodiment of embodiment and with reference to appended accompanying drawing hereinafter.
Fig. 1 is that lateral plan and schematically showing is used for the lubricant applicator of lubricant application on the flange of the wheel that is included in the track travel vehicle.
Fig. 2 a is cross-sectional plane and the lubricant retainer that shows the part that forms lubricant applicator, like what see from its side.
Fig. 2 b is cross-sectional plane and shows graphic lubricant retainer in Fig. 2 a, like what in cross-sectional plane IIb-IIb, seen.
Fig. 3 is enlarged view and illustrates graphic part III in Fig. 2 a.
Fig. 4 is lateral plan and schematically shows the control system that is included in the lubricant applicator.
Fig. 5 is cross-sectional plane and shows the lubricant retainer according to selectable embodiment, like what see from its side.
The detailed description of embodiment preferred of the present invention
Fig. 1 illustrates the lubricant applicator 1 according to one embodiment of the invention.Lubricant applicator 1 has lubricant retainer 2 and control system 4, and the two will be described hereinafter in more detail.Lubricant applicator 1 is arranged to solid lubricant bar 6 is tightly suppressed the for example graphic wheel 8 in Fig. 1 of locomotive engine, railway carriage, rail vehicle, tramway train etc. of the track travel vehicle, and the exterior section of wheel 8 illustrates in Fig. 1.
To lubricant retainer 2 be described in more detail with reference to Fig. 2 a and Fig. 2 b now.Fig. 2 a illustrates lubricant retainer 2 in more detail, as in cross-sectional plane and see from its side.Fig. 2 b illustrates lubricant retainer 2, like what see among the graphic cross-sectional plane IIb-IIb in Fig. 2 a.Lubricant retainer 2 has carriage 20, and carriage 20 is provided with two openings 22.Opening 22 is intended and is used to receive the bolt (not shown), carriage 20 is remained on the schematically graphic track travel vehicle 9 of Fig. 1.
Carriage 20 is provided with support 24, and support 24 is open at the middle part.Applicator cylinder 26 is in abutting connection with this support 24, as graphic best in Fig. 2 b.But two release opening pins 28 remain applicator cylinder 26 and tightly suppress support 24.Lubricant rod 6 is applicator cylinder 26 inner moving.Applicator cylinder 26 and lubricant rod 6 preferably have circular cross-sectional plane, as graphic best in Fig. 2 b, but can also have another kind of cross-sectional plane, for example square cross section, triangular cross section, oval cross section or the like.
In the rear portion 27 of applicator cylinder 26, applicator cylinder 26 has as knowing triangular portion of seeing (gable) 30 and the connection opening 32 that is used for connection pipe 34 from Fig. 2 a.Triangular portion 30 is provided with omnirange and stretches outside track 31, and rear aperture pin 28 can be bonded on omnirange and move in the outside track 31, this means that applicator cylinder 26 also is locked at its longitudinal direction.Pipe 34 is intended and is used for compression fluid is supplied to applicator cylinder 26.This compression fluid is pressurized air advantageously, but can also be other suitable fluid of hydraulic oil, nitrogen, water or some.
The rear portion of solid lubricant bar 6 is arranged to the effect of playing at applicator cylinder 26 in-to-in pistons 36.When compression fluid when for example pressurized air is provided to applicator cylinder 26; This fluid will pass through pipe 34 and connection opening 32 gets into the cylinder space 37 that between the wall of piston 36, triangular portion 30 and applicator cylinder 26, forms; And with piston 36 is that lubricant rod 6 tightly suppresses the root 16 of flange 14, and the lubricated of expectation is provided.Therefore in this embodiment, a part, especially its rear portion of lubricant rod 6 have formed in space 37 under the influence of compression fluid the piston 36 that lubricant rod 6 is tightly suppressed wheel 8.
Fig. 3 illustrates graphic part III in Fig. 2 a in more detail.The applicator cylinder 26 that is compressed between support 24 and the spring cotter 28 has the seal casinghousing 40 at its leading section 38 places, and seal casinghousing 40 is attached to the leading section 38 of cylinder 26 by means of being threaded.Internal cross section is that circular seal casinghousing 40 has inner orbit 42, and sealing 44 is disposed in the inner orbit 42.
According to embodiment preferred, applicator cylinder 26 is formed by conductive material, for example metal, for example steel.In addition, according to this embodiment preferred, lubricant rod 6 is also formed by conductive material.Like this not only conduct electricity and but also instance with material of good lubrication qualities be graphite.According to this embodiment preferred, electric current can be transmitted to wheel 8 from rail 12, further arrives rod 6 from wheel 8 conduction, and is directly transferred to the track travel vehicle 9 from that through applicator cylinder 26 and carriage 20.In this case, lubricant applicator 1 also connects as ground connection.This advantage is, electric current does not need to be conducted through the bearing of wheel 8 or needs are by bearing to the limited degree of conduction through wheel 8 at least, and this has reduced the risk to the electric current destruction of these bearings.Electrically contacting usually between rod 6 and the applicator cylinder 26 caused by self, because rod 6 will tilt in the inside of applicator cylinder 26 usually to a certain extent, makes between applicator cylinder 26 and rod 6, will have to electrically contact.Sometimes, this to electrically contact possibly be suitable by means of for example being improved by the contact ring 43 of conductive of material manufacturing.
Fig. 4 illustrates the control system 4 of lubricant applicator 1 in more detail.Control setup 46, for example computing machine, microprocessor or resemblance receive signal from many sensors of having described the current operating conditions of the track travel vehicle that lubricant applicator 1 is installed.Except other; Control setup 46 also receives signal from bend sensor (curve sensor) 48; The bend sensor 48 sense walkings vehicle whether turn to and under these circumstances turn to degree, or the track travel vehicle straight moving forward whether.Control setup 46 receives signal from bend sensor 48, and based on the degree of these calculated signals to lubricated needs.
Normally locate at the flange 14 of wheel 8 and the friction between the rail 12 at its maximum upwards turn (upon cornering), and thus when the vehicle be maximum during at the bend place to the needs that lubricate.
When control setup 46 when bend sensor 48 receives the track travel vehicle and has got into the signal of bend, control setup 46 sends the signal that control cocks 50 should be opened to control cock 50.When control cock 50 is opened; Compression fluid for example pressurized air flows in the cylinder space 37; And be close to piston 36 and promptly be close to rod 6 and exert pressure owing to the pressure that in space 37, produces, rod 6 will be tightly suppressed the root 16 of flange 14 thus and will be created in the bend needed lubricated.
Then, when control setup 46 receives the track travel vehicle once more during the straight part of injection from bend sensor 48, control cock 50 is closed once more.Pressure in the space 37 reduces once more.This can take place through sewing little by little lentamente like illustrated sealing 44 among Fig. 3 through compression fluid, or is drained little by little through the separator tube 52 of the pumpout valve 54 that is provided with controlled device 46 and controls through compression fluid and takes place.When the pressure in the space 37 reduces once more, the power that rod 6 is tightly suppressed the root 16 of flange 14 will reduce, and lubricated thus also minimizing.
Therefore, control setup 46 is controlled the supply of lubricant by this way, and promptly lubricant for example is provided to wheel 8 during on turn when it is required, but when not needing lubricant, for example is not supplied at straight extended spot.Control setup 46 can also be arranged to according to the degree of crook of current bend control presssure little by little.For example, control setup 46 can be arranged to control and regulation valve 50 and supply first pressure with the bend place crooked on moderate ground, and can be arranged to control and regulation valve 50 to be higher than second pressure of first pressure in very crooked bend place supply.Certainly control setup 46 can also be arranged to according to controlling the pressure in the space 37 continuously from the signal of bend sensor 48, for example according to the principle of PID regulating control.If this is desired, control setup 46 can also be arranged to also at straight extended spot and realize that certain is lubricated, wherein this lubricated lubricated less than when turning usually.
When lubricant rod 6 is consumed, space 37 will be bigger.Because the pressure that is provided to the fluid in space 37 is controlled to this fact of the equal values under certain operating conditions; No matter how long rod 6 has been used; The pressure that rod 6 is tightly suppressed the root 16 of flange 14 will be identical under identical setting of control cock 50, and no matter rod 6 almost is brand new or rod 6 is almost used up.
When lubricant rod 6 was used up, it can easily be changed.This accomplishes through the pipe 34 shown in Fig. 2 a is discharged from triangular portion 30.Then, graphic spring cotter 28 is released in Fig. 2 a and Fig. 2 b, and applicator cylinder 26 is removed from the support 24 of carriage 20.Thereafter, the new applicator cylinder 26 that has a lubricant rod 6 of preparatory installation is installed in the carriage 20 by means of spring cotter 28.Old applicator cylinder 26 is seen off, be used to safeguard, the installation of lubricant rod 6 that cross-check sum is new.Therefore, the wear part that is replaced is a complete set of equipment, and this a complete set of equipment comprises applicator cylinder 26 and lubricant rod 6, and is easily mounted in the carriage 20 that is fixedly mounted on the track travel vehicle.Therefore, guaranteed security function and changed rapidly.Recognize; Following content also is possible to be; Promptly, when changing, discharge applicator cylinder 26, take out the remaining stub of lubricant rod 6 as the alternative form of changing said a complete set of equipment; And new rod 6 is pushed in the applicator cylinder 26, then applicator cylinder 26 is installed in the carriage 20 once more.
Fig. 5 illustrates the lubricant retainer 102 according to selectable embodiment.Retainer 102 has carriage 120, and carriage 120 has the type identical with the carriage of describing with reference to Fig. 2 a and Fig. 2 b 20 and is arranged to and keeps applicator cylinder 126 in a similar manner, and applicator cylinder 126 is preferably columniform.
In the rear portion 127 of applicator cylinder 126, the connection opening 132 that applicator cylinder 126 has triangular portion 130 and is used for connection pipe 134, pipe 134 is intended and being used for to applicator cylinder 126 supply compression fluids.
Opposite with graphic applicator cylinder in Fig. 2 a and Fig. 2 b 26, graphic applicator cylinder 126 has the piston 136 that fully separates in Fig. 5.Isolation piston 136 is provided with the seal ring 145 that piston 136 is sealed in the inwall of cylinder 126.
When compression fluid when for example pressurized air is to applicator cylinder 126 supply; This fluid will get into the cylinder space 137 that between the wall of piston 136, triangular portion 130 and cylinder 126, forms and piston 136 will be tightly suppressed lubricant rod 106, and lubricant rod 106 tightly suppresses the root 16 of flange 14 thus and realizes the lubricated of expectation.
To recognize that the multiple version of above-described embodiment is can drop in the scope thereof of liking enclosed of the present invention.
Claims (11)
1. lubricant applicator that is used for the wheel (8) of the track travel vehicle, said applicator comprise and are used for lubricant rod (6; 106) applicator cylinder (26; 126), it is characterized in that said lubricant applicator (1) also comprises:
Piston (36; 136), it is arranged in said applicator cylinder (26; 126) move in and said lubricant rod (6; 106) tightly suppress said wheel (8), and
At said applicator cylinder (26; 126) volume inside (37; 137), it is arranged to the reception compression fluid, with said piston (36; 136) tightly suppress said lubricant rod (6; 106).
2. lubricant applicator according to claim 1, wherein said applicator cylinder (26; 126) has circular cross-sectional plane.
3. according to each described lubricant applicator in the aforementioned claim; Wherein control setup (46) is arranged to from the sensor (48) of at least one operating parameter of responding to the said track travel vehicle and receives at least one signal, and is provided to the pressure of the said compression fluid in said space (37) according to said signal control.
4. according to each described lubricant applicator in the aforementioned claim, wherein said lubricant rod (6; 106) and said applicator cylinder (26; 126) the two forms by conductive material and is electrical contact with each other, and wherein passing to the electric current of said wheel (8) from rail (12) can be through said lubricant rod (6; 106) and said applicator cylinder (26; 126) further conduct to the said track travel vehicle (9).
5. lubricant applicator according to claim 4, wherein said lubricant rod (6; 106) become by the material preparation that comprises graphite.
6. according to each described lubricant applicator in the aforementioned claim, the part (36) of wherein said lubricant rod (6) has formed the said piston (36) that in said applicator cylinder (26), moves.
7. according to each described lubricant applicator among the claim 1-5, wherein isolation piston (136) is arranged in and moves and tightly suppressed said lubricant rod (106) in the said applicator cylinder (126).
8. according to each described lubricant applicator in the aforementioned claim, wherein said applicator cylinder (26) attaches to the carriage (20) that is installed on the said track travel vehicle (9) releasedly.
9. method by means of the wheel (8) of the lubricated track travel vehicle of lubricant applicator, said lubricant applicator comprise and are used for lubricant rod (6; 106) applicator cylinder (26; 126), it is characterized in that: said lubricant applicator (1) also comprises piston (36; 136) with at said applicator cylinder (26; 126) volume inside (37; 137), said piston (36; 136) be arranged in said applicator cylinder (26; 126) move in and said lubricant rod (6; 106) tightly suppress said wheel, said space (37; 137) be arranged to the reception compression fluid, with said piston (36; 136) tightly suppress said lubricant rod (6; 106) it is measured, wherein to describe at least one operating parameters of current operating conditions of the said track travel vehicle; And
Said space (37; 137) pressure in is suitable for providing lubricated to the expectation of said wheel (8) with respect to said current operating conditions.
10. method according to claim 9, wherein said lubricant rod (6; 106) and said applicator cylinder (26; 126) the two forms by conductive material and is electrical contact with each other, and the electric current that wherein passes to said wheel (8) from rail (12) is through said lubricant rod (6; 106) and said applicator cylinder (26; 126) further conduct to the said track travel vehicle (9).
11. according to each described method among the claim 9-10, wherein said at least one operating parameter comprises at least one in the present speed of current bend position and the said track travel vehicle (9) of the said track travel vehicle (9).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0900230A SE533485C2 (en) | 2009-02-23 | 2009-02-23 | Lubricant applicator for a tracked vehicle wheel |
| SE0900230-4 | 2009-02-23 | ||
| PCT/SE2010/050202 WO2010096016A1 (en) | 2009-02-23 | 2010-02-23 | Lubricant applicator for a wheel of a railbound vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102395502A true CN102395502A (en) | 2012-03-28 |
| CN102395502B CN102395502B (en) | 2014-08-06 |
Family
ID=42634106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080016517.XA Expired - Fee Related CN102395502B (en) | 2009-02-23 | 2010-02-23 | Lubricant applicator for a wheel of a railbound vehicle |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120037455A1 (en) |
| EP (1) | EP2398686A1 (en) |
| CN (1) | CN102395502B (en) |
| SE (1) | SE533485C2 (en) |
| WO (1) | WO2010096016A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228868A (en) * | 2014-09-18 | 2014-12-24 | 张忆霄 | Wheel rail lubricator |
| CN106439460A (en) * | 2016-03-24 | 2017-02-22 | 北京中冶华润科技发展有限公司 | Anti-attrition lubricating system for locomotive wheel track |
| CN111216761A (en) * | 2020-01-09 | 2020-06-02 | 成都市新筑路桥机械股份有限公司 | Tramcar rim lubricating system control method |
| CN112167861A (en) * | 2019-07-03 | 2021-01-05 | 伍鐌科技股份有限公司 | Wheel structure and manufacturing method thereof |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5708469B2 (en) * | 2011-12-19 | 2015-04-30 | 新日鐵住金株式会社 | Railcar steering wheel |
| GB2498385B (en) * | 2012-01-13 | 2018-08-29 | Rowe Hankins Ltd | Apparatus and method for applying lubricant to railway vehicle wheels |
| DE102015001799A1 (en) * | 2015-02-12 | 2016-08-18 | Eisenmann Se | Lubricating device for a rail-based conveyor system and conveyor system |
| US10900559B2 (en) * | 2018-05-31 | 2021-01-26 | James Zaguroli, Jr. | Automatic lubrication arrangement for a hoist |
| WO2021077217A1 (en) * | 2019-10-25 | 2021-04-29 | L.B. Foster Rail Technologies, Corp. | Applicator for a solid stick composition |
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- 2009-02-23 SE SE0900230A patent/SE533485C2/en not_active IP Right Cessation
-
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- 2010-02-23 WO PCT/SE2010/050202 patent/WO2010096016A1/en active Application Filing
- 2010-02-23 US US13/202,883 patent/US20120037455A1/en not_active Abandoned
- 2010-02-23 CN CN201080016517.XA patent/CN102395502B/en not_active Expired - Fee Related
- 2010-02-23 EP EP10744033A patent/EP2398686A1/en not_active Withdrawn
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| RU2157771C2 (en) * | 1998-01-22 | 2000-10-20 | Забайкальская железная дорога | Railway vehicle wheel flange lubricator |
| WO2001018558A1 (en) * | 1999-09-10 | 2001-03-15 | Ge-Harris Railway Electronics, Llc | Methods and apparatus for measuring navigational parameters of a locomotive |
| EP1520766A1 (en) * | 2003-10-01 | 2005-04-06 | Henri Guillemaut | Device for a railway vehicle for lubrication between wheel and rail and for current feedback |
| US20060054403A1 (en) * | 2004-07-07 | 2006-03-16 | Phymet, Inc. | Wheel flange lubrication system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228868A (en) * | 2014-09-18 | 2014-12-24 | 张忆霄 | Wheel rail lubricator |
| CN106439460A (en) * | 2016-03-24 | 2017-02-22 | 北京中冶华润科技发展有限公司 | Anti-attrition lubricating system for locomotive wheel track |
| CN112167861A (en) * | 2019-07-03 | 2021-01-05 | 伍鐌科技股份有限公司 | Wheel structure and manufacturing method thereof |
| CN111216761A (en) * | 2020-01-09 | 2020-06-02 | 成都市新筑路桥机械股份有限公司 | Tramcar rim lubricating system control method |
Also Published As
| Publication number | Publication date |
|---|---|
| SE533485C2 (en) | 2010-10-05 |
| US20120037455A1 (en) | 2012-02-16 |
| WO2010096016A1 (en) | 2010-08-26 |
| CN102395502B (en) | 2014-08-06 |
| SE0900230A1 (en) | 2010-08-24 |
| EP2398686A1 (en) | 2011-12-28 |
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