CN204780491U - Portable rail mills finish milling device of car - Google Patents
Portable rail mills finish milling device of car Download PDFInfo
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- CN204780491U CN204780491U CN201520357345.2U CN201520357345U CN204780491U CN 204780491 U CN204780491 U CN 204780491U CN 201520357345 U CN201520357345 U CN 201520357345U CN 204780491 U CN204780491 U CN 204780491U
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Abstract
The utility model provides a portable rail mills finish milling device of car, it includes at least one toolframe (1), drive arrangement (2) are milled in this toolframe (1) connection, toolframe (1) lower extreme still is equipped with milling head (3), the output that mills drive arrangement (2) passes through the actuating shaft connection of mechanical transmission and milling head (3), hydraulic drive vertical migration and positioner (4) and a set of electronic horizontal migration and positioner (5) are still connected to toolframe (1) one side, every hydraulic drive vertical migration of group and positioner (4) with electronic horizontal migration and positioner (5) are connected, and electronic horizontal migration and positioner (5) are used for the location milling cutter's horizontal position. The utility model provides a portable rail mills finish milling device of car not only can carry out once more sharp rail shape to the rail of rough milling and maintain, and repair effect is good, and the operating efficiency is high, and the secondary that does not use the mode of polishing to carry out the rail is maintained, and environmental pollution is little, but moreover because toolframe wraparound pivot is rotatory, it is convenient that milling cutter frame and blade are changed.
Description
Technical field
The utility model relates to a kind of finish-milling device of mobile steel rail milling car, especially relates to a kind of finish-milling device of the rail milling car for carrying out portable online secondary milling to the circuit rail after rough milling, belongs to engineering equipment technical field.
Background technology
In recent years, rapidly, the raising of adjoint freight volume increase and the speed of service, Rail Surface Abrasion problem starts more and more to give prominence to, and wherein common damage has Contact Fatigue Crack Propagation, ripple to grind and track side abrasion in urban rail transit in China development.If Rail Surface Abrasion can not get rebuilding in time, effectively, traffic safety and rail application life will be had a strong impact on.
In order to ensure the safety of train operation, stability and comfortableness, improve Wheel Rail Contact state, reduce wheel-rail noise, increase the application life of rail, slow down Rail Surface hurt occur and control lesion development degree, online trimming techniques fast and efficiently must be adopted to eliminate Rail Surface hurt, to recover the good profile of rail and smooth degree.
At present, online rail trimming techniques has steel rail grinding and rail milling two kinds.The spark of splashing, metallic dust and noise is easily produced during steel rail grinding, understand contaminated air, worsen operating environment, cause fire, even affect post-job normal operation, also need before polishing operation to remove the trackside equipment such as check rail, communication cable, and need grinding wheel be changed, arrange that motor position is to obtain the rail head shape of needs, so operation time is longer.Therefore, steel rail grinding mode iron and state's iron tunnel line inappositely.
Current rail milling car operation comprises milling and polishing two cover operation, first carries out longitudinal milling to Rail Surface, subsequently by being polished by the Rail Surface of milling.Although the Rail Surface smooth degree of existing rail milling turnning and milling mill recovers better, operating efficiency is higher, the fat edges of applicable elimination gauge angle, lateral angle or plastic strain, its operation preparation is less, do not need to remove trackside equipment yet, compare rail grinding machine, the pollution of operation to air, noise is little.But, eliminate corner angle because existing rail milling car carries out still have employed polishing mode when secondary is repaired after rough milling rail and improve Rail Surface fineness, although polishing amount is little compared with rail grinding machine, but the pollution problem inevitably still existed air and noise, seriously and not easily change, and after operation, Rail Surface fineness is not high enough for abrasion of grinding wheel.
In sum, be badly in need of a kind of finish-milling device that can be applied to mobile steel rail milling car, not only make up the technological gap of this area, and the mode of milling can be adopted to carry out secondary reparation to rail, realize the object reducing environment pollution and improve Rail Surface fineness.
Utility model content
The utility model provides a kind of finish-milling device of mobile steel rail milling car, and for making up technological gap both domestic and external, blade exchange is convenient and milling operation quality is good.
The finish-milling device of the mobile steel rail milling car that the utility model provides comprises: at least one toolframe, this toolframe connects milling actuating device, milling head is also equipped with in described toolframe lower end, the output of described milling actuating device is connected with the driving shaft of milling head by mechanical driving device, to drive the milling cutter on described milling head and to make it rotate perpendicular to Rail Surface; Described toolframe side also connects hydraulic-driven, and vertically mobile and positioner and one group electronicly move horizontally and positioner, often organizing that hydraulic-driven is vertically mobile to be connected with positioner with described electronic moving horizontally with positioner, describedly electronicly to move horizontally with positioner for locating the horizontal level of described milling cutter; During the finish-milling device operation of described mobile steel rail milling car with rail surface center line for benchmark vertically moves milling along rail.
Preferably, the quantity of toolframe is two.
Preferably, toolframe is arranged symmetrically with about the transverse central axis of tie-beam.
Preferably, each toolframe is connected with one group of vertical movement of hydraulic-driven and positioner, and described hydraulic-driven vertically mobile and positioner is used for the cutting depth amount of feeding of milling head described in perpendicular positioning.
Preferably, often organize described milling head and include base, this base end connects two engagement type hand face mill framves by connecting axle.
Preferably, the contrate tooth profile of described two engagement type hand face mill framves engages each other, and on two engagement type hand face mill framves blade is installed end face form predetermined Rail Surface profile.
Preferably, described each engagement type hand face mill frame is fixed on one end of connecting axle, and the other end of described connecting axle is stretched in described base and is connected by the output of mechanical driving device with described milling actuating device.
Preferably, described milling actuating device drives two in same group of milling head engagement type hand face mill framves to rotate vertically respectively when operation and the two direction of rotation is contrary, during rotation, the end face side recess of the end face side bossing of an engagement type hand face mill frame just in time hand face mill frame engagement type with another engages; During operation, the end face of two engagement type hand face mill framves for benchmark with rail surface center line, is often organized two engagement type hand face mill framves and is distributed in rail surface center line both sides respectively.
Preferably, described toolframe comprise two arranged in parallel and there is the first guide rail of preset space length, every root first guide rail is provided with at least one first slide block, and the back side of each first slide block is all fixedly connected on a side of the first backboard; Described milling head is fixedly connected with milling actuating device another side with described first backboard; Described first backboard regulates the position of described milling head, to be pulled out from described toolframe by described milling head by the slip of described first slide block on the first guide rail.
Preferably, the first guide rail described in every root is fixed on an ear shape side plate, and the end, the same side of two blocks of described ear shape side plates is connected with the two-end-point of single-revolution axle, and described toolframe can be rotated around described gyroaxis.
Preferably, described hydraulic-driven vertically mobile and positioner comprises at least one vertical guide rail be vertically fixedly installed, described vertical guide rail lateral alignment and spacing preset distance; Two described vertical guide rails to be fixed on the second backboard or integral with described second backboard; Every root vertical guide rail is provided with two vertical slippers, all vertical slippers on two vertical guide rails are all fixedly connected on a side of the 3rd backboard of toolframe; Described hydraulic-driven is vertically arranged at vertically-guided axle in the middle of two described vertical guide rails and parallel with described second vertical guide rail mobile also comprising with positioner, and described vertically-guided axle is fixedly installed on described second backboard; On described vertically-guided axle, cover has the square slider for sliding on vertically-guided axle, and described square slider is fixedly connected with described 3rd backboard.
Preferably, describedly electronicly move horizontally the horizontal guide rail comprising at least one level with positioner and be fixedly installed, described horizontal guide rail is equipped with slidably cross sliding clock, the second backboard back side described in every block corresponds to vertical guide rail and is fixedly connected with a described cross sliding clock respectively with the position, the upper side and lower side of vertically-guided axle and for regulating the hydraulic cylinder of described cross sliding clock position on described horizontal guide rail.
Preferably, horizontal guide rail described in every root is provided with four cross sliding clocks.
Preferably, described toolframe connects hydraulic accumulator, for when the fluid pressure line leakage of oil of described finish-milling device, finish-milling device is recovered to non-milling state.
Preferably, described horizontal guide rail be fixedly installed on tie-beam a vertical plane on or integral with this vertical plane of this tie-beam; The upper horizontal side of described tie-beam is provided with adjustment set bolt, this is provided with and regulates the horizontal side of set bolt to be fixedly connected with the vehicle frame bottom surface of mobile steel rail milling car, and regulates the spacing of Liang Ge side, junction to make the upper horizontal side abswolute level of described tie-beam by described adjustment set bolt.
Preferably, described finish-milling bottom of device comprises laser position checkout gear, for the accurate location by laser detection rail, and control described hydraulic-driven vertically mobile and positioner and electronicly to move horizontally and positioner moves according to testing result, be placed in accurate job position on rail to make milling head.
Preferably, bottom side, described toolframe operation position connect piston shoes, for described toolframe at the enterprising line slip guide-localization of rail.
Preferably, on rear side of described milling head, comprise suction nozzle, be connected in the crumb-suction pipe of described suction nozzle outlet for absorbing the iron filings that produce in milling head milling rail process and iron filings being sent into; Described crumb-suction pipe is used for iron filings to be delivered to iron filings storage facility.
Preferably, described finish-milling bottom of device is provided with velocity measuring device, for measuring the cutting feed speed of finish-milling device, the operating speed of the cutting feed speed of finish-milling device and mobile steel rail milling car is matched.
The working method of the finish-milling device of the mobile steel rail milling car that the utility model provides is: during operation, vertically move mobile finish-milling device vertical with positioner by hydraulic-driven and engagement type hand face mill frame is attached to Rail Surface, electronicly to move horizontally and the moving horizontally of positioner mesh control formula hand face mill frame, until finish-milling device is in working position, start finish-milling device milling actuating device, the cutter at high speeds of finish-milling unit rotates, again finished machined is carried out to rail head surface, milling is carried out to Rail Surface, eliminate the corner angle of Rail Surface, reach reinventing Rail Surface shape, iron filings after milling are siphoned away by suction nozzle and are delivered to appointed place.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of the finish-milling device of mobile steel rail milling car provided by the utility model comprises any combination of each part mentioned above, and simple change or the combination of each part mentioned above assembly are still protection domain of the present utility model.
The finish-milling device of mobile steel rail milling car provided by the utility model can not only carry out again meticulous rail shape finishing to the rail rough milled, repairing effect is good, operating efficiency is high, polishing mode is not used to carry out the secondary finishing of rail, environment pollution is little, and can wraparound rotating shaft rotate due to toolframe, carriage arbor and blade exchange thereof are convenient.
Accompanying drawing explanation
The structural representation of one preferred embodiment of the finish-milling device of the mobile steel rail milling car that Fig. 1 provides for the utility model.
Fig. 2 is the milling head elevation of the finish-milling device of the mobile steel rail milling car provided embodiment illustrated in fig. 1.
Fig. 3 is the upward view of milling head shown in Fig. 2.
The structural representation of the toolframe of the finish-milling device of the mobile steel rail milling car that Fig. 4 provides for the present embodiment.
The structural representation of Fig. 5 for will toolframe (1) wraparound rotating shaft (15) rotation in the device of finish-milling shown in Fig. 1 be turned over to cutter changing position.
Fig. 6 is hydraulic-driven in Fig. 1 vertically mobile and positioner (4) and the electronic structural representation moved horizontally with positioner (5) and single toolframe (1).
Fig. 7 is that electronic in Fig. 1 moves horizontally the structural representation with positioner (5).
Mark in Fig. 1-Fig. 7 represents respectively:
1 toolframe 2 milling actuating device 3 milling head 4 hydraulic-driven vertically moves and positioner
5 electronic moving horizontally regulate set bolt 8 hydraulic accumulator with positioner 6 tie-beam 7
11 first guide rail 12 first slide block 13 first backboard 14 ear shape side plate 15 gyroaxises
31 base 32 engagement type hand face mill frame 33 connecting axle 41 vertical guide rail
42 second backboard 43 vertical slipper 44 the 3rd backboard 45 vertically-guided axles
46 square slider 51 horizontal guide rail 52 cross sliding clock 53 hydraulic cylinders.
Detailed description of the invention
embodiment 1.1the finish-milling device of mobile steel rail milling car, it comprises two toolframes 1, toolframe 1 is arranged symmetrically with about the transverse central axis of tie-beam 6, toolframe 1 connects milling actuating device 2, milling head 3 is also equipped with in toolframe 1 lower end, and the output of milling actuating device 2 is connected by the driving shaft of mechanical driving device with milling head 3, to drive the milling cutter on milling head 3 and to make it rotate perpendicular to Rail Surface, toolframe 1 connects hydraulic accumulator 8, for when the fluid pressure line leakage of oil of described finish-milling device, finish-milling device is recovered to non-milling state, each toolframe 1 side also connects hydraulic-driven, and vertically mobile and positioner 4 and one group electronicly move horizontally and positioner 5, often group hydraulic-driven is vertically mobile is connected with positioner 5 with electronic moving horizontally with positioner 4, hydraulic-driven vertically mobile and positioner 4 for the cutting depth amount of feeding of milling head described in perpendicular positioning 3, electronicly to move horizontally with positioner 5 for locating the horizontal level of described milling cutter, during the finish-milling device operation of described mobile steel rail milling car with rail surface center line for benchmark vertically moves milling along rail.Milling head 3 includes base 31, and this base 31 end connects two engagement type hand face mill framves 32 by connecting axle 33.
In the present embodiment, the contrate tooth profile of two engagement type hand face mill framves 32 engages each other, and on two engagement type hand face mill framves 32 blade is installed end face form predetermined Rail Surface profile, each engagement type hand face mill frame 32 is fixed on one end of connecting axle 33, and the other end of connecting axle 33 is stretched in described base 31 and is connected by the output of mechanical driving device with milling actuating device 2.
In the present embodiment, milling actuating device 2 drives two in same group of milling head 3 engagement type hand face mill framves 32 to rotate vertically respectively when operation and the two direction of rotation is contrary, during rotation, the end face side recess of the end face side bossing of an engagement type hand face mill frame 32 just in time hand face mill frame 32 engagement type with another engages; During operation, the end face of two engagement type hand face mill framves 32 for benchmark with rail surface center line, is often organized two engagement type hand face mill framves 32 and is distributed in rail surface center line both sides respectively.
In the present embodiment, toolframe 1 comprise two arranged in parallel and there is the first guide rail 11 of preset space length, every root first guide rail 11 is provided with at least one first slide block 12, the back side of each first slide block 12 is all fixedly connected on a side of the first backboard 13; Milling head 3 is fixedly connected with milling actuating device 2 another side with the first backboard 13; First backboard 13 regulates the position of milling head 3 by the slip of the first slide block 12 on the first guide rail 11, to be pulled out from toolframe 1 by milling head 3.
In the present embodiment, every root first guide rail 11 is installed on an ear shape side plate 14, and the end, the same side of two blocks of ear shape side plates 14 is connected with the two-end-point of single-revolution axle 15, and toolframe 1 can be rotated in wraparound rotating shaft 15.
In the present embodiment, hydraulic-driven vertically mobile and positioner 4 comprises two vertical guide rails be vertically fixedly installed, 41, two vertical guide rail 41 lateral alignment and spacing preset distance; Two vertical guide rails 41 are fixed on the second backboard 42; The all vertical slippers 43 every root vertical guide rail 41 is provided with on two vertical slippers, 43, two vertical guide rails 41 are all fixedly connected on a side of the 3rd backboard 44 of toolframe 1; Hydraulic-driven is vertically arranged at vertically-guided axle 45 in the middle of two vertical guide rails 41 and parallel with the second vertical guide rail 41 mobile also comprising with positioner 4, and vertically-guided axle 45 is fixedly installed on the second backboard 42; On vertically-guided axle 45, cover has the square slider 46 for sliding on vertically-guided axle 45, and square slider 46 is fixedly connected with the 3rd backboard 44.
In the present embodiment, electronicly move horizontally the horizontal guide rail 51 comprising two levels with positioner 5 and be fixedly installed, described horizontal guide rail 51 is equipped with slidably cross sliding clock 52, second backboard 42 back side described in every block corresponds to vertical guide rail 41 and is fixedly connected with a described cross sliding clock 52 respectively with the position, the upper side and lower side of vertically-guided axle 45 and for regulating the hydraulic cylinder 53 of described cross sliding clock 52 position on described horizontal guide rail 51.
In the present embodiment, every root horizontal guide rail 51 is provided with four cross sliding clocks 52.
In the present embodiment, horizontal guide rail 51 is fixedly installed on a vertical plane of a tie-beam 6; The upper horizontal side of described tie-beam 6 is provided with and regulates set bolt 7, this is provided with and regulates the horizontal side of set bolt 7 to be fixedly connected with the vehicle frame bottom surface of mobile steel rail milling car, and by regulating set bolt 7 to regulate the spacing of Liang Ge side, junction to make the upper horizontal side abswolute level of tie-beam 6.
In the present embodiment, finish-milling device also comprises the laser position checkout gear being arranged at finish-milling bottom of device, for the accurate location by laser detection rail, and drive vertical mobile and positioner 4 and electronic moving horizontally to move with positioner 5 according to testing result hydraulic control, be placed in accurate job position on rail to make milling head 3.
In the present embodiment, bottom side, toolframe 1 operation position connects piston shoes, for to described toolframe 1 at the enterprising line slip guide-localization of rail, finish-milling bottom of device is provided with velocity measuring device, for measuring the cutting feed speed of finish-milling device, the operating speed of the cutting feed speed of finish-milling device and mobile steel rail milling car is matched; Comprise suction nozzle on rear side of milling head 3, be connected in the crumb-suction pipe of described suction nozzle outlet for absorbing the iron filings that produce in milling head 3 milling rail process and iron filings being sent into; Described crumb-suction pipe is used for iron filings to be delivered to iron filings storage facility.
embodiment 1.2, the finish-milling device of mobile steel rail milling car, with embodiment 1.1, difference is: two vertical guide rails 41 and the second backboard 42 integral.
embodiment 1.3, the finish-milling device of mobile steel rail milling car, with embodiment 1.1, difference is: horizontal guide rail 51 is integral with this vertical plane of this tie-beam 6.
The working method of the finish-milling device of the mobile steel rail milling car that above-described embodiment provides is: during operation, vertically move mobile finish-milling device vertical with positioner by hydraulic-driven and engagement type hand face mill frame is attached to Rail Surface, electronicly to move horizontally and the moving horizontally of positioner mesh control formula hand face mill frame, until finish-milling device is in working position, start finish-milling device milling actuating device, the cutter at high speeds of finish-milling unit rotates, again finished machined is carried out to rail head surface, milling is carried out to Rail Surface, eliminate the corner angle of Rail Surface, reach reinventing Rail Surface shape, iron filings after milling are siphoned away by suction nozzle and are delivered to appointed place.
Claims (17)
1. the finish-milling device of mobile steel rail milling car, it comprises at least one toolframe (1), this toolframe (1) connects milling actuating device (2), milling head (3) is also equipped with in described toolframe (1) lower end, the output of described milling actuating device (2) is connected by the driving shaft of mechanical driving device with milling head (3), described toolframe (1) side also connects hydraulic-driven, and vertically mobile and positioner (4) and one group electronicly move horizontally and positioner (5), often group hydraulic-driven is vertically mobile is connected with positioner (5) with described electronic moving horizontally with positioner (4), describedly electronicly to move horizontally with positioner (5) for locating the horizontal level of milling cutter, it is characterized in that: during the finish-milling device operation of described mobile steel rail milling car with rail surface center line for benchmark vertically moves milling along rail.
2. the finish-milling device of mobile steel rail milling car as claimed in claim 1, is characterized in that: the quantity of toolframe (1) is two.
3. the finish-milling device of mobile steel rail milling car as claimed in claim 2, it is characterized in that: toolframe (1) is arranged symmetrically with about the transverse central axis of tie-beam, each toolframe (1) is connected with one group of vertical movement of hydraulic-driven and positioner (4).
4. the finish-milling device of mobile steel rail milling car as claimed in claim 3, it is characterized in that: milling head (3) includes base (31), this base (31) end connects two engagement type hand face mill framves (32) by connecting axle (33).
5. the finish-milling device of mobile steel rail milling car as claimed in claim 4, it is characterized in that: each engagement type hand face mill frame (32) is fixed on one end of connecting axle (33), the other end of connecting axle (33) is stretched in described base (31) and is connected by the output of mechanical driving device with described milling actuating device (2).
6. the finish-milling device of mobile steel rail milling car as claimed in claim 5, it is characterized in that: milling actuating device (2) drives two in same group of milling head (3) engagement type hand face mill framves (32) to rotate vertically respectively when operation and the two direction of rotation is contrary, during rotation, the end face side recess of the end face side bossing of an engagement type hand face mill frame (32) just in time hand face mill frame (32) engagement type with another engages; During operation, the end face of two engagement type hand face mill framves (32) for benchmark with rail surface center line, is often organized two engagement type hand face mill framves (32) and is distributed in rail surface center line both sides respectively.
7. the finish-milling device of mobile steel rail milling car as claimed in claim 6, it is characterized in that: toolframe (1) comprise two arranged in parallel and there is first guide rail (11) of preset space length, every root first guide rail (11) is provided with at least one first slide block (12), the back side of each first slide block (12) is all fixedly connected on a side of the first backboard (13), and milling head (3) is fixedly connected with milling actuating device (2) another side with described first backboard (13).
8. the finish-milling device of mobile steel rail milling car as claimed in claim 7, it is characterized in that: every root first guide rail (11) is fixed on an ear shape side plate (14), and the end, the same side of two pieces of ear shape side plates (14) is connected with the two-end-point of single-revolution axle (15).
9. the finish-milling device of mobile steel rail milling car as claimed in claim 8, it is characterized in that: hydraulic-driven vertically mobile and positioner (4) comprises at least one vertical guide rail be vertically fixedly installed (41), vertical guide rail (41) lateral alignment and spacing preset distance; It is upper or integral with the second backboard (42) that two vertical guide rails (41) are fixed on the second backboard (42); Every root vertical guide rail (41) is provided with two vertical slippers (43), all vertical slippers (43) on two vertical guide rails (41) are all fixedly connected on a side of the 3rd backboard (44) of toolframe (1); Hydraulic-driven is vertically arranged at vertically-guided axle (45) in the middle of two described vertical guide rails (41) and parallel with the second vertical guide rail (41) mobile also comprising with positioner (4), and vertically-guided axle (45) is fixedly installed on the second backboard (42); The upper cover of vertically-guided axle (45) has for the square slider (46) in the upper slip of vertically-guided axle (45), and square slider (46) is fixedly connected with the 3rd backboard (44).
10. the finish-milling device of mobile steel rail milling car as claimed in claim 9, it is characterized in that: electronicly move horizontally the horizontal guide rail (51) comprising at least one level with positioner (5) and be fixedly installed, horizontal guide rail (51) is equipped with slidably cross sliding clock (52), every block second backboard (42) back side corresponds to vertical guide rail (41) and is fixedly connected with a cross sliding clock (52) and hydraulic cylinder (53) respectively with the position, the upper side and lower side of vertically-guided axle (45).
The finish-milling device of 11. mobile steel rail milling cars as claimed in claim 10, is characterized in that: every root horizontal guide rail (51) is provided with four cross sliding clocks (52).
The finish-milling device of 12. mobile steel rail milling cars as claimed in claim 11, is characterized in that: toolframe (1) connects hydraulic accumulator (8).
The finish-milling device of 13. mobile steel rail milling cars as claimed in claim 12, is characterized in that: on the vertical plane that horizontal guide rail (51) is fixedly installed on tie-beam (6) or integral with this vertical plane of this tie-beam (6); The upper horizontal side of tie-beam (6) is provided with and regulates set bolt (7), this is provided with and regulates the horizontal side of set bolt (7) to be fixedly connected with the vehicle frame bottom surface of mobile steel rail milling car.
The finish-milling device of 14. mobile steel rail milling cars as claimed in claim 13, is characterized in that: finish-milling bottom of device comprises laser position checkout gear.
The finish-milling device of 15. mobile steel rail milling cars as claimed in claim 14, is characterized in that: bottom side, toolframe (1) operation position connects piston shoes.
The finish-milling device of 16. mobile steel rail milling cars as claimed in claim 15, is characterized in that: milling head (3) rear side comprises suction nozzle.
The finish-milling device of 17. mobile steel rail milling cars as claimed in claim 16, is characterized in that: finish-milling bottom of device is provided with velocity measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357345.2U CN204780491U (en) | 2015-05-29 | 2015-05-29 | Portable rail mills finish milling device of car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357345.2U CN204780491U (en) | 2015-05-29 | 2015-05-29 | Portable rail mills finish milling device of car |
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| Publication Number | Publication Date |
|---|---|
| CN204780491U true CN204780491U (en) | 2015-11-18 |
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| CN201520357345.2U Active CN204780491U (en) | 2015-05-29 | 2015-05-29 | Portable rail mills finish milling device of car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846707A (en) * | 2015-05-29 | 2015-08-19 | 昆明中铁大型养路机械集团有限公司 | Finish-milling unit of mobile rail-milling car |
| CN105568798A (en) * | 2016-01-08 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Monitoring device and method for canting of sleepers in rail telescopic adjusting device regions of ballast track |
| CN111168389A (en) * | 2020-02-25 | 2020-05-19 | 广东三向智能科技股份有限公司 | Automatic change equipment |
| WO2022017349A1 (en) * | 2020-07-24 | 2022-01-27 | 中国铁建高新装备股份有限公司 | Steel rail milling vehicle, and steel rail finish-milling operation control system therefor |
-
2015
- 2015-05-29 CN CN201520357345.2U patent/CN204780491U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846707A (en) * | 2015-05-29 | 2015-08-19 | 昆明中铁大型养路机械集团有限公司 | Finish-milling unit of mobile rail-milling car |
| CN105568798A (en) * | 2016-01-08 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Monitoring device and method for canting of sleepers in rail telescopic adjusting device regions of ballast track |
| CN111168389A (en) * | 2020-02-25 | 2020-05-19 | 广东三向智能科技股份有限公司 | Automatic change equipment |
| WO2022017349A1 (en) * | 2020-07-24 | 2022-01-27 | 中国铁建高新装备股份有限公司 | Steel rail milling vehicle, and steel rail finish-milling operation control system therefor |
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