CN201587408U - Rail milling/grinding train - Google Patents
Rail milling/grinding train Download PDFInfo
- Publication number
- CN201587408U CN201587408U CN2009201508415U CN200920150841U CN201587408U CN 201587408 U CN201587408 U CN 201587408U CN 2009201508415 U CN2009201508415 U CN 2009201508415U CN 200920150841 U CN200920150841 U CN 200920150841U CN 201587408 U CN201587408 U CN 201587408U
- Authority
- CN
- China
- Prior art keywords
- milling
- grinding
- track
- train
- parts
- 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 - Fee Related
Links
Images
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model relates to a rail milling/grinding train, which is characterized in that at least one running surface of a track is remolded through peripheral milling and/or grinding, and preferentially a convex part of a track head cross section of the track (particularly a railroad track) is remolded and serves as the running surface. The rail milling/grinding train (1) comprises the following main components arranged in a driving direction (2): a first cab (3), a cooling component (4), a machine room (5), a tool room (6), an electric room (7), a chip removal room (8) and a second cab (9). The rail milling/grinding train (1) further comprises a totally modern carrier vehicle with a vehicle frame (10), and all the main components (3, 4, 5, 6, 7, 8 and 9) are arranged and supported on the vehicle frame.
Description
Technical field
The present invention relates to a kind of track milling/grinding train (a rail milling/grinding train), its be used for by periphery milling and/or grinding make track at least one move surperficial reshaping, preferably make the convex part reshaping of the rail head bench section of track (particularly rail), wherein, the male portion branch shows as the operation surface.
Background technology
By periphery milling reshaping worn-down track, being track, new profile is provided is known.Milling cutter is the instrument that has traverser, and this traverser is put into the groove of milling cutter main body successively with clamping device is installed.Like this, the traverser on the peripheral milling cutter horizontal surface produces the milling track (track) towards the track longitudinal direction separately.Yet,, restricted with the number of the sort of peripheral milling cutter bonded assembly traverser because lack the space.Therefore, only may on the longitudinal direction of track, provide by the periphery milling and be in adjacent each other track (track) on a small quantity and be applied to rail head by traverser.Therefore produce a large amount of ripples, be necessary after milling, to make rail head through smoothing processing.Be known that the blade of equipping the whole needed bench section of a plurality of demonstrations for this purpose to peripheral milling cutter.With regard to guaranteeing error slight on the degree of depth only takes place on the track longitudinal direction, a plurality of blades are necessary.Here, to extend through whole processed bench section be disadvantageous for hollow that produces by this smoothing and point.When by by the time that can cause noise and vibration, reduce the life-span simultaneously.
Summary of the invention
The objective of the invention is to avoid those unfavorable and difficult points, its objective is the sort of equipment that initial description is provided, it has the milling cutter of at least one track bench section, adjusting according to rail driver or railroad, may obtain less ripple on track longitudinal direction and the bench section simultaneously respectively by described equipment, so that satisfy for example less demand of low speed railway, and can preferentially adopt following grinding operation by independent milling operation in order to satisfy at a high speed.
This problem is solved by track milling according to claim 1/grinding train.
Track milling of the present invention/grinding train make track by periphery milling and/or grinding at least one move surperficial reshaping, preferably make the convex part reshaping of the rail head bench section of track (particularly rail), wherein, the male portion branch shows as the operation surface.Described train is included in drives the following major part of arranging on the direction: first driver's cab, cooling-part, machine chamber, tool room, electric panel room, chip are removed the chamber and second driver's cab.
Another aspect of the present invention, track milling/grinding train comprises the carrier vehicle in complete modern times, and it comprises vehicle frame, and all major parts are arranged and are supported on this vehicle frame.Track milling/grinding train further comprises bogie truck, operation actuating device, energy supply device, brake equipment and the safety device of vehicle drive unit, at least two reinforcements.Comprise at least two milling parts and at least one grinding component of every side according to track milling of the present invention/grinding train.
The milling parts can be configured to the milling wheel, and it is provided with a plurality of milling blades that are arranged in milling wheel periphery.
According to track milling of the present invention/grinding train, also have and be used between track and milling parts and the grinding component that selectively exists, producing the equipment that relatively moves, be used for the driving arrangement of milling parts and when grinding component is provided, be used for the driving arrangement of grinding component and along the direction location grinding component axis that departs from perpendicular to the face of track longitudinal direction.
In the initial the sort of equipment of describing, purpose is to realize like this, in order to produce the bench section of wanting by single periphery milling operation, form and surpass 5 preferred 9 milling tracks that on the longitudinal direction of track, are close to each other, then, selectively grind table face at least, be preferably the convex part of grinding the rail head bench section, wherein, the male portion branch shows as the operation surface.
Preferred parameter is described in the dependent claims.
As mentioned above, in order for example to satisfy the bigger demand of moving velocity faster, according to grinding operation is arranged after the milling operation of the present invention, it is characterized in that, in order to reduce or to flatten the ripple that operates on the train longitudinal direction, selectively, for difference equating or leveling broken line or bench section gradient (draft oftraverse), grind the track of milling, preferably after taking place, carry out immediately, comprise departing from of 0 degree angle between the axis of glaze wheel and the plane perpendicular to the track longitudinal direction with the milling in the one-stop operation.
Description of drawings
Hereinafter, quoted figures is explained the present invention in more detail by specific embodiment, wherein:
Fig. 1 illustrates the lateral plan according to train of the present invention,
Fig. 2 illustrates the front elevation of the train of Fig. 1,
Fig. 3 illustrates the thin portion of amplification of the tool room of Fig. 1,
Fig. 4 illustrates the thin portion of amplification of the machine chamber of Fig. 1, and
Fig. 5 illustrates the thin portion of amplification of the bogie of car of Fig. 1.
The specific embodiment
Comprise following major part to shown in Figure 5 according to track milling of the present invention/grinding train 1 as Fig. 1, as shown in arrow 2 being arranged in exercised on the direction: first driver's cab 3, cooling-part 4, machine chamber 5, tool room 6, electric panel room 7, removing chamber detritus 8 and second driver's cab 9.Be used for going up the track milling train 1 of processing rail head surface at reshaping rail head and the track (track) of removing the raceway surface damage and comprise the complete new-type carrier vehicle with vehicle frame 10, all major parts 3 to 9 are arranged and are supported on the vehicle frame 10 with bogie truck 12 and 13 (each has 3 axles), operation actuating device 14 (Hydraulic Pump), energy supply device 15 (electrical generator), brake equipment 16 and the safety device 17 of vehicle drive unit 11 (diesel engine), two reinforcements.Track milling train 1 according to the present invention has the grinding component 63 (four milling parts and two grinding components at most altogether) of one of two milling parts 61,62 and every side.Allow to process simultaneously one or two tracks.Train 1 is equipped with the CNC controller, is not changing the smooth and soft processing of realization under the metallographic structure.It has the vertical and horizontal adjustment device that absorbs the stressed firm guide track of processing, processing component, the milling head that is equipped with carbide insert.Train can be realized effective suction that speeder is changed (quicktool change) and removed grinding dust and chip.Simple and easy, synthesis tool replacing (tool change) and tool storage system (tool deposit system) that the present invention is of value to, and allow making on-the-spot assembling fully and starting.Train of the present invention provides high precision for the processing of track bench section.When the finish depth of operation surf zone was 0.3 to 1.5mm (the maximum 5mm of gauge corner area, vertical survey gained), it provided very high chip to remove performance at each mill train (pass).During a mill train (pass) machines, allow the best metal relevant to remove condition with the CNC controller.The safety on operation surface is removed and is made the rail head with great surface quality operation surface have defective.The sensitizing range, such as electric elements and equipment near rail head, almost not processing restriction.The present invention allows dry-cure, does not need cooling system conditioner.It in operation process the low noise rank.The spark that does not splash does not have the danger of fire, is the operation of safety (save) therefore.It is suitable for reaching the self-propelled transport train of 100km/h, also is suitable for reaching the towage of the transport train of 100km/h.Minimum turning radius is 150m, maximum inclination/inclination angle is 33 ‰, copying length (copy length) is 400mm, and gauge is 1435mm (1430mm-1470mm), about the structure interval of Fig. 1 corresponding to " Chinese Railway locomotive and vehicle " gap (A).
Can be applicable to do not dismantling on electric elements and the signalling apparatus basis according to track milling of the present invention/grinding train 1, in orbit the vertical and horizontal section of (in track) reshaping rail head surface.This train is used in particular for following application: remove and to scab, the P/M of the reshaping of vertical and horizontal section, rail head, to remove the rolling surface defective (for example rail head crackle, assorted tin sand (squats) etc.) on the rail head and reduce the processing of sending noise.Track milling/grinding train is basically according to German DB AG, and particularly the relevant regulations of DB AG-indication 931 and DS300 (EBO) design.
The vehicle of train of the present invention has special rack construction and bears two milling parts 61,62 and the grinding component 63 of one of every side, fluid pressure drive device is by 23 axle bogies 12 that are the 20t axle load to the maximum, 13 operations, first driver's cab 3 that has drive controlling and processing component guidance panel, have diesel engine 11 and the machine chamber 5 by fan-cooled Hydraulic Pump 14, instrument or maintenance room 6, be used to switch the electric panel room 7 of operating console (control of drive controlling/working part), the chamber 8 that is used for chip removal and grinding dust, and second driver's cab 9 that has drive controlling.The very crash-resistant water-cooled diesel engine of framework structure is self-propelled in orbit, provided by special change-speed box, the accurate work speed when changing the track degree of dip also, and brake equipment, modern safety equipment, man-machine control driver's cab and work place, be used for the independent energy supply circuit of change-speed box and processing.
The machine design of train 1 is as follows:
Axle load: maximum 20t
Total weight: maximum 120t
The total length of processing vehicle: maximum 23.8m
Bogie pivot center: maximum 15.3m
Highly: maximum 4.2m
Wheel diameter is new: 1000mm
Wheel diameter; Worn-down: 960mm
Running velocity: maximum 100km/h
Work speed: 0.3-1.5km/h
Power processing component: minimum 6 * 55kw
Tool bit diameter: about 600mm
Motor power: about 749kw
The part of brake gear:
Parking brake: to the spring of each set of wheels brake activation.
Self-propelled car brake: direct actv. pneumatic braking device parts.
Automatic brake-be delivered to train system: actv. pneumatic braking device parts indirectly.
Drg works by hydrostatic machine.
The part of energy supply system:
Be used for vehicle part: electrical generator: 24V
Be used to process: voltage 3 * 400V AC
Voltage fluctuation external device (voltage fluctuations external supply) 5%
Frequency 50Hz
Frequency fluctuation external device 1%
Lighting voltage 230/50V/Hz;
PLC voltage 24V DC.
The noise rank is lower than 80dB (A).
The tool room 6 of train 1 comprises two pairs of track milling parts 61 and 62, be four idle milling stations, comprise milling tool, guiding parts, electric elements and control system, PLC and the CNC element and Hydraulic Elements, pneumatics and the lubricating system that have copying (copying) function.The tool room 6 of train 1 also comprises track grinding component 63, be two idle grinding stations, comprise grinding device parts, guiding parts, electric elements and the control system, PLC and CNC element, Hydraulic Elements, pneumatics and the lubricating system that have copying (copying) function.
The milling parts that have copying (copying) function are installed on the car structure structure, 4 milling parts altogether, two milling parts on each guide rail, each side is installed two milling parts, and each milling parts can hydraulically be adjusted on vertical and horizontal direction by spindle drive.Tool spindle in the prestressed ball bearing of main shaft; by the driving of controlled Spindle Motor realization to tool spindle; the mounting flange through quenching and grinding of milling cutter; the milling zone that protected cover covers; copying (copying) function by each working part fwd copying scale (copying ruler); by by AC servomotor the height adjustment of copying scale (copying ruler) being controlled milling depth, the copying of side (copying) function is by the operation of equipment of machinery or no touch (contact less).
The grinding component 63 that has copying (copying) function is installed on the car structure structure, parts of every side after two grinding components altogether, milling parts, grinding component of every side; Each grinding component is hydraulically adjusted on vertical and horizontal direction by spindle drive; tool spindle in the prestressed ball bearing of main shaft; by the driving of controlled Spindle Motor realization to tool spindle; the mounting flange through quenching and grinding of glaze wheel, the abrasive areas that protected cover covers.
Grinding component track-bench section milling cutter 61,62 is arranged to peripheral milling cutter, and hereinafter by more detailed description.Described milling cutter can be by CD-ROM drive motor and gear drive, and thus, selected hand of rotation is so that the method for milling processing of track by cutting down.Be close to the milling parts grinding component 63 is set, the glaze wheel of grinding component can pass through driving gear drives, and is preferred also on the direction of milling cutter rotation, can realize the down grinding of track like this.Glaze wheel is equipped with the system of regulate grinding the degree of depth, can realize like this according to the wearing and tearing of the track glaze wheel of resetting continuously.Be used to adjust the described system of grinding the degree of depth and comprise the measuring system that is used to measure the diameter that the glaze wheel periphery reduces continuously; It also can utilize from measuring the take off data of the gained time of running.
In case the milling chip occurs and grind chip and grinding dust, they are sucked away by aspirator 81 and 82.
Realize copying (copying) function by each milling parts fwd copying scale (copying ruler).By the height adjustment of copying scale (copying ruler) being controlled milling depth by AC servomotor.The copying of side (copying) function is by the operation of equipment of machinery or no touch (contact less).
Guiding parts comprises the connection between working part and the car structure, and working part is located in the horizontal and vertical directions, and Guide Rail Design becomes to be connected to the stable welded structure on the car structure.Accurately the use of linear guides is born the high speed load with milling on absorption level and the vertical direction and abrasive power.Drive horizontal frame by AC servomotor.Working part can mechanically lock in raised position.
By wheel milling cutter 61,62 according to the present invention, can the many milling tracks of milling-even surpass 9-on the longitudinal direction of track, extend on the rail head, thus, can obtain the very big precision of milling bench section, that is, approach the desirable bench section of rail head greatly.For some needs, the rail head by milling cutter reshaping according to the present invention is enough and the not follow-up grinding of needs, for example for not being too high running velocity.For more needs, the track after the milling must be through for example grinding operation recited above.
The basic advantage of Ginding process according to the present invention is in single working process the rail head on can the milling a plurality of adjacent milling tracks.Particularly advantageous, method for milling according to the present invention combines with Ginding process according to the present invention, thus, on the track of extreme wear, also can obtain thoroughly to remove material and surface, because according to method for milling of the present invention, it is to a great extent corresponding to desirable track bench section and only need less grinding, promptly, grinding comprises the removal of less relatively material, if any.
In this case, can be in conjunction with milling and grinding in single operation process, thus the processing part of making operation surface or rail head respectively, in running quality, life-span with avoid having satisfied maximum demand aspect the noise.
The tool changing system has the tool changing hoisting crane, and it is integrated into the maintenance room zone, and is arranged in above the processing component on vehicle left side and right side.
The tool changing chamber comprises and is used at the vehicle stopping period instrument being transferred to the jacking equipment of maintenance room simply and be used for the crane in bridge type of manipulate tools in maintenance room from working part.An instrument thesaurus that is used for milling head and mill is arranged.
Can in a mill train, process the relevant range of rail head by using track milling/grinding train.Track carries out reshaping by using milling (peripheral milling) and the grinding in same working process (periphery grinds).By milling, the deviation of bench section and long rails surface deficiency for example wrinkle, gauffer and ripple all can be removed in a processing mill train.This course of processing is finished by the milling cutter that is equipped with the high-mobility, multipurpose, wheeled vehicle carbide blade.By milling cutter, the bench section is reprocessed with very high precision.After the milling parts, grinding component is used to process rail head to improve surface quality.Grinding component is pressed peripheral direction work in the bevelled position.Process operation has following steps: the starting processing component; Horizontal location is by the processing component of checking system supporting; Reduce processing component by hydraulic-driven; The location is by the processing component of copying (copying) device supporting; Feeding starts to work; Adjust the finish depth that needs.
The chip of train 1 is removed chamber 8 and is comprised the debris-suction parts, and it comprises save-all aspirator 81, aspiration 82 and chip transmission equipment 83.Suction tube is from the working part to the aspirator.Pumping equipment has motor, fan, air filter and distribution device.The save-all of two separation is operated independently.During Milling Process, metal fragment is removed away from container by conveyer.
Claims (9)
1. track milling/grinding train, be used at least one operation surface by periphery milling and/or grinding reshaping track, be preferably the especially convex part of the rail head bench section of rail of reshaping track, this male portion branch shows as the operation surface, wherein, track milling/grinding train (1) is included in drives the following major part that direction (2) goes up layout:
First driver's cab (3) of the first driver operating room is provided;
The cooling-part (4) of cooling mechanism is provided;
The machine chamber (5) of holding installations;
The tool room (6) that holds tool device;
The electric panel room (7) that holds electrical installation;
Hold the chip of chip clearing device and remove chamber (8); And
Second driver's cab (9) of the second driver operating room is provided,
Described first driver's cab (3), described cooling-part (4), described machine chamber (5), described tool room (6), described electric panel room (7), described chip remove chamber (8) and described second driver's cab (9) is arranged and is supported on the vehicle frame (10).
2. track milling as claimed in claim 1/grinding train, it is characterized in that, described track milling/grinding train (1) also comprises the vehicle drive unit (11) that is used to drive described train, be used to support the bogie truck (12 and 13) of at least two reinforcements of described train, be used to drive the operation actuating device (14) of another device of described train, be used for providing the energy supply device (15) of energy to described train, the safety device (17 and 18) that is used to brake the brake equipment (16) of described train and is used for providing safety device to described train, described vehicle drive unit (11), described bogie truck (12 and 13), described operation actuating device (14), described energy supply device (15), described brake equipment (16) and described safety device (17 and 18) are arranged and are supported on the vehicle frame (10).
3. track milling as claimed in claim 1 or 2/grinding train, it is characterized in that, described track milling/grinding train (1) comprises at least one grinding component of at least two milling parts and every side, wherein, described milling parts are installed on the car structure structure, have milling parts on each guide rail at least, each side is installed at least one milling parts, each milling parts can hydraulically be adjusted on vertical and horizontal direction by spindle drive, described grinding component is installed on the car structure structure, grinding component of every side after the milling parts, each grinding component is hydraulically adjusted on vertical and horizontal direction by spindle drive.
4. track milling as claimed in claim 3/grinding train is characterized in that, described milling parts are set to the milling wheel, and described milling wheel is provided with a plurality of milling blades that are arranged in milling wheel periphery.
5. track milling as claimed in claim 1 or 2/grinding train, it is characterized in that, the described tool room (6) of described train (1) comprises two pairs of track milling parts (61 and 62), i.e. four idle milling stations, comprise the milling tool that has the copying functional device, guiding parts, electric elements and control system, control of PLC FPGA (Field Programmable Gate Array) and CNC element computerized numberical control, and Hydraulic Elements, pneumatics and lubricating system, wherein, described milling parts are installed on the car structure structure, two milling parts on each guide rail, each side is installed two milling parts, and each milling parts can hydraulically be adjusted on vertical and horizontal direction by spindle drive.
6. as a claim 1 or 2 described track milling/grinding trains, it is characterized in that, the described tool room (6) of described train (1) comprises track grinding component (63), i.e. two idle grinding stations, comprise the grinding device parts that have the copying functional device, guiding parts, electric elements and control system, control of PLC FPGA (Field Programmable Gate Array) and CNC element computerized numberical control, Hydraulic Elements, pneumatics and lubricating system, wherein, described grinding component is installed on the car structure structure, grinding component of every side after the milling parts, each grinding component is hydraulically adjusted on vertical and horizontal direction by spindle drive.
7. track milling as claimed in claim 1 or 2/grinding train is characterized in that having:
Be used between described track and described milling parts and described grinding component, producing the mobile device that relatively moves,
The grinding driving arrangement that is used for the milling driving arrangement of milling parts and is used for grinding component,
The edge deviates from the axis registration device perpendicular to the axis of the direction location grinding component of the face of track longitudinal direction.
8. track milling according to claim 7/grinding train is characterized in that, the α that described grinding component departs from from the face perpendicular to the track longitudinal direction is 1 to 20 °, preferred 5 to 12 °, and more preferably about 8 °.
9. as claim 7 or 8 described track milling/grinding trains, it is characterized in that in order to adjust different departing from, the location of the axis of described grinding component is interchangeable according to the face perpendicular to the track longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201508415U CN201587408U (en) | 2009-03-11 | 2009-03-11 | Rail milling/grinding train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201508415U CN201587408U (en) | 2009-03-11 | 2009-03-11 | Rail milling/grinding train |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020272602XU Division CN201849467U (en) | 2009-03-11 | 2009-03-11 | Railway milling/grinding train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201587408U true CN201587408U (en) | 2010-09-22 |
Family
ID=42747172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201508415U Expired - Fee Related CN201587408U (en) | 2009-03-11 | 2009-03-11 | Rail milling/grinding train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201587408U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863029A (en) * | 2015-05-29 | 2015-08-26 | 昆明中铁大型养路机械集团有限公司 | Mobile type steel rail milling vehicle |
| CN105625121A (en) * | 2014-10-31 | 2016-06-01 | 昆明中铁大型养路机械集团有限公司 | Railway track profile shape milling and grinding equipment |
| CN105625122A (en) * | 2014-10-31 | 2016-06-01 | 昆明中铁大型养路机械集团有限公司 | Railway steel rail profile shape renovating unit and corresponding device |
| CN105625120A (en) * | 2014-10-31 | 2016-06-01 | 昆明中铁大型养路机械集团有限公司 | Railway track profile shape modifying vehicle and modifying method as well as corresponding equipment |
| CN111441202A (en) * | 2020-04-30 | 2020-07-24 | 中国铁建高新装备股份有限公司 | Small-size rail online mills car |
-
2009
- 2009-03-11 CN CN2009201508415U patent/CN201587408U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625121A (en) * | 2014-10-31 | 2016-06-01 | 昆明中铁大型养路机械集团有限公司 | Railway track profile shape milling and grinding equipment |
| CN105625122A (en) * | 2014-10-31 | 2016-06-01 | 昆明中铁大型养路机械集团有限公司 | Railway steel rail profile shape renovating unit and corresponding device |
| CN105625120A (en) * | 2014-10-31 | 2016-06-01 | 昆明中铁大型养路机械集团有限公司 | Railway track profile shape modifying vehicle and modifying method as well as corresponding equipment |
| CN104863029A (en) * | 2015-05-29 | 2015-08-26 | 昆明中铁大型养路机械集团有限公司 | Mobile type steel rail milling vehicle |
| CN111441202A (en) * | 2020-04-30 | 2020-07-24 | 中国铁建高新装备股份有限公司 | Small-size rail online mills car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8186250B2 (en) | Wheel lathe for railroad cars and locomotives | |
| CN201587408U (en) | Rail milling/grinding train | |
| US4276793A (en) | Method and apparatus for truing a metal wheel, especially of a railroad locomotive or other rolling stock | |
| US8789448B2 (en) | System for and method of re-profiling locomotive and rail car wheels | |
| KR100786184B1 (en) | Travelling device for machining down rails | |
| CN202343954U (en) | Underfloor wheel numerical control lathe | |
| EP2559517B1 (en) | System for and method of re-profiling locomotive and rail car wheels | |
| US11801559B2 (en) | Portable profiler for locomotive or railcar wheels | |
| CN203546546U (en) | Contour machining device for reshaping railhead of steel rail | |
| US20240189914A1 (en) | System and method of re-profiling locomotive railcar wheels | |
| CN105436618B (en) | Locomotive wheel numerical control Xuan repaiies equipment | |
| CN104846707A (en) | Finish-milling unit of mobile rail-milling car | |
| CN111455753A (en) | Flexible steel rail grinding device and steel rail grinding vehicle | |
| PL203849B1 (en) | Method and device for reprofiling railway wheels | |
| CN201849467U (en) | Railway milling/grinding train | |
| US10226824B2 (en) | Portable profiler for locomotive or railcar wheels | |
| WO2012154660A1 (en) | System for and method of re-profiling locomotive and rail car wheels | |
| CN111101408A (en) | Steel rail online milling device capable of adjusting angle of milling head | |
| CN204780491U (en) | Portable rail mills finish milling device of car | |
| CN101554665A (en) | On-orbit car wheel lathe being capable of processing multiunit wheels simultaneously | |
| CN107677561A (en) | A kind of rail milling experimental rig | |
| CN112176795B (en) | Method for processing ballastless track sleeper rail bearing platform | |
| CN211547120U (en) | Steel rail online milling device capable of adjusting angle of milling head | |
| CN104863029A (en) | Mobile type steel rail milling vehicle | |
| CN206084543U (en) | A milling unit for rail renovation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20160311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |