CN105598513A - Control method of steel rail milling work - Google Patents
Control method of steel rail milling work Download PDFInfo
- Publication number
- CN105598513A CN105598513A CN201610183177.9A CN201610183177A CN105598513A CN 105598513 A CN105598513 A CN 105598513A CN 201610183177 A CN201610183177 A CN 201610183177A CN 105598513 A CN105598513 A CN 105598513A
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- Prior art keywords
- cutterhead
- rail
- milling
- control method
- milling operation
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/002—Milling elongated workpieces
- B23C3/005—Rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
Abstract
The invention provides a control method of a steel rail milling work and relates to a method for repairing a steel rail, aiming at providing the control method of the steel rail milling work, which has high milling precision and high milling efficiency, little pollution and low energy consumption. The control method comprises the following steps: S1: acquiring steel rail outline parameters; S2: carrying out tool setting; S3: initializing an auxiliary positioning device; and S4: carrying out the milling work, and starting a main shaft motor and a vehicle body. Under the driving of the vehicle body, a steel rail milling system moves at a constant speed along the direction of the steel rail, a right contact piece and a left contact piece are controlled to be in contact with the upper surface of the steel rail, and a lateral contact piece is controlled to be in contact with the lateral surface of the steel rail; a Z-directional sensor is used for measuring the height of a cutter disc in the Z direction in real time; a Y-directional sensor is used for measuring the distance between a finger tip of the lateral contact piece and the cutter disc in the Y direction in real time, so that a road condition is judged in real time; and furthermore, the cutter disc is continuously adjusted by a milling executing unit according to the road condition, and thus milling repairing of the steel rail is realized.
Description
Technical field
The present invention relates to a kind of rail restorative procedure, particularly relate to a kind of method of carrying out rail reparation by milling mode.
Background technology
For field of track traffic rail maintenance issues, prior art is polishing formula railway maintenance, and principle is with multiple plane of grinding wheelData envelopment fitting rail section shape, when work, train is advanced, and each emery wheel fits in rail surface with weighing apparatus pressure under hydraulic cylinder effect,Thereby realize the grinding to Rail Surface.
Steel rail grinding shortcoming is that low precision, efficiency are low, pollution is heavy, energy consumption is large, high in cost of production. One, polishing processing is multiplePlane of grinding wheel data envelopment fitting rail section, machining accuracy is poor. Its two, approximately 0.1 to 0.3 millimeter of polishing processing stock removal, operationEfficiency is lower. Its three, polishing adds trade union and causes larger flue dust, environmental pollution is larger. Its four, polishing processing relies on frictional forceWork, processing requires the expenditure of energy more. In addition, grinding machine car load reaches more than 110 meter, and cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Milling Accuracy, milling efficiency is high, pollutes rail milling little and that energy consumption is lowCut the control method of operation.
The control method of a kind of rail milling operation of the present invention, the rail milling operation system wherein using comprises: car body, millingPerformance element and auxiliary positioning unit;
---described milling performance element comprises: cross slid platform, cutterhead framework, cutterhead, Y-direction motor, Z-direction motor and main shaft electricityMachine;
The stiff end of described cross slid platform is fixedly installed on described car body, and movable end is fixedly connected with described cutterhead framework; DescribedCutterhead is axially fixed on described cutterhead framework; The output of described spindle motor is connected with described cutterhead, to drive revolving of cutterheadTurn; Described cross slid platform can move on Y, Z both direction, and wherein motion is in the Y direction by Y-direction Electric Machine Control,Motion in Z direction is by Z-direction Electric Machine Control;
---described auxiliary positioning unit comprises: laser profile scanner, right contact, left contact, articulated elements, left connecting rod,Right connecting rod, Z-direction adjusting cylinders, Z-direction adjusting screw, Z-direction sensor, Y-direction sensor and side contacts part;
Described laser profile scanner, Z-direction sensor are fixedly installed on respectively on described cutterhead framework, wherein laser profileInstrument is arranged at cutterhead right side, and Z-direction sensor drops on the Z-direction diameter of cutterhead; The left end of described left connecting rod and described left contactBe fixedly connected with, right-hand member and described articulated elements are hinged; The right-hand member of described right connecting rod is fixedly connected with described right contact, left end and instituteState articulated elements hinged; The stiff end of described Z-direction adjusting cylinders is fixedly installed on described cutterhead framework, movable end and described hingedPart is fixedly connected with; Now described articulated elements be positioned at described Z-direction sensor under, described right contact is positioned at described cutterheadRight side, described left contact is positioned at the left side of described cutterhead; The stiff end of described Z-direction adjusting screw is fixedly installed on described cutterheadOn framework, movable end and described right contact are hinged; Described side contacts part is that elasticity is connected with described right contact, and side contactsPart finger tip is positioned at the below of described right contact; Described Y-direction sensor setting is in the finger tip of described side contacts part;
---control method comprises the steps:
S1: gather rail profile parameter; Laser profile scanner scans rail, to obtain rail profile parameter;
S2: tool setting; Y-direction motor and Z-direction motor drive cross slid platform to slide, and then the motion of band movable knife disc, so that cutterhead operationFace contacts just with rail;
S3: auxiliary locator initializes; By the adjustment to Z-direction adjusting cylinders and Z-direction adjusting screw, make right contact,Left contact contacts just with rail upper surface respectively, and side contacts part contacts just with the side surface of rail;
S4: milling operation; Start spindle motor and car body; Car body drive under, rail milling operation system along rail direction withConstant speed moves; , control right contact, left contact contacts with rail upper surface all the time therebetween, control side contacts part all the timeContact with rail side surface, Z-direction sensor is measured the height of cutterhead in Z-direction in real time, and Y-direction sensor is measured side contacts in real timePart finger tip and the cutterhead distance in Y-direction, thus road conditions are carried out to real-time judge; And then milling performance element is according to road conditions tool settingDish is constantly made adjustment, to realize the milling reparation to rail.
The control method of a kind of rail milling operation of the present invention, wherein the regulation rule of cutterhead in Z direction is:
S41: whenTime, can conclude that the fluctuation of rail level does not affect milling quality, so do not make automatically controlled action;
S42: whenTime, the work meeting of cutterhead causes adverse influence to rail level; Now need to make automatically controlled action,Particularly:
IfRepresent that situation about rising appears in the rail level that is about to cutting, cutterhead is postponing to need hoisting depth after T second
IfRepresent that situation about declining appears in the rail level that is about to cutting, cutterhead is postponing after T second, to need falling head:
Wherein, Δ H=H-H0, H represents the return of value of Z-direction sensor, H0Represent the preset value of Z-direction sensor; T= t-tL，ε is for taking fromA point value of scope, v is body speed of vehicle, tLFor the response time of equipment, LRightGenerationShow right contact and the distance of Z-direction sensor on directions X, LLeftRepresent that left contact and Z-direction sensor are on directions XDistance.
The control method of a kind of rail milling operation of the present invention, wherein cutterhead regulation rule is in the Y direction:
By the operation in the Y direction of Y-direction Electric Machine Control cross slid platform, with keep cutterhead apart from side contacts part end in Y-directionOn constant distance.
The control method of a kind of rail milling operation of the present invention, wherein rail milling operation system also comprises hydraulic cylinder, described hydraulic pressureThe stiff end of cylinder is fixedly connected with described car body, and movable end is connected with described cutterhead framework; At S4: in milling operation step, liquidCylinder pressure is given the constant downward pressure of cutterhead framework all the time, so that cutterhead is implemented milling to rail under constant pressure.
The control method of a kind of rail milling operation of the present invention, wherein rail milling operation system also comprises numerical control driver element and peopleMachine interactive unit; Wherein:
Numerical control driver element, the data that collect for receiving laser profile scanner, Y-direction sensor and Z-direction sensor, andAccording to the data that receive, Y-direction motor, Z-direction motor and spindle motor are sent to running instruction;
Man-machine interaction unit, for manpower intervention numerical control driver element provides passage, and numerical control driver element receives for storingData.
The control method of a kind of rail milling operation of the present invention, wherein said numerical control driver element comprises:
---external communication module, the data that collect for receiving laser profile scanner, Y-direction sensor and Z-direction sensor,And send the data to milling control module;
---milling control module, to the data analysis receiving, and control Y-direction motor, Z-direction motor and spindle motorRunning;
---intercommunication module, for realizing communicating by letter of numerical control driver element and man-machine interaction unit.
The control method of a kind of rail milling operation of the present invention, wherein said man-machine interaction unit comprises:
---human-computer interaction module, for manpower intervention numerical control driver element provides passage;
---data memory module, for storing the data of numerical control driver element acceptance and the instruction of transmission.
The control method of a kind of rail milling operation of the present invention, external two input modules of wherein said man-machine interaction unit:
---panel input module, for manpower intervention numerical control driver element provides panel input channel;
---keyboard input module, for manpower intervention numerical control driver element provides keyboard input channel.
The control method difference from prior art of a kind of rail milling operation of the present invention is: to for implement milling repairRail milling operation system designs, and determines that by right contact, left contact and Z-direction sensor cutterhead is in Z directionOn cutting location, with to the reparation property cutting in real time of rail upper surface; Determine that by side contacts part and Y-direction sensor cutterhead existsCutting location in Y-direction, to implement the cutting of reparation property to rail side surface. Upper surface and the side surface of the present invention to rail dividesNot reparation property milling accurately, has improved the Milling Accuracy to rail. The present invention repair means compared to existing polishing andSpeech, has reduced the generation of metal dust, thereby has reduced dust effect, has effectively protected environment. The upper table of the present invention to railFace and side surface are synchronously repaired, and compared to the existing technology that rail upper surface and side surface are repaired respectively, carry at doubleHigh remediation efficiency.
Below in conjunction with accompanying drawing, the control method of a kind of rail milling operation of the present invention is described further.
Brief description of the drawings
Fig. 1 is the structural representation of rail milling operation system used in the present invention;
Fig. 2 is the partial enlarged drawing at P place in Fig. 1;
Fig. 3 is the topological structure that the control method of a kind of rail milling operation of the present invention connects based on hardware.
Detailed description of the invention
In order more clearly the present invention to be made an explanation, make as given a definition: along rail length direction be defined as X to, perpendicular toRail side face directions is defined as Y-direction, is defined as Z-direction perpendicular to rail upper surface direction.
For enforcement of the present invention, design a rail milling operation system as shown in Figure 1-2; Particularly, rail millingOperating system comprises: car body b, milling performance element and auxiliary positioning unit.
Described milling performance element comprises: cross slid platform c1, cutterhead framework c2, cutterhead c3, Y-direction motor (not shown),Z-direction motor c4 and spindle motor (not shown);
It is upper that the stiff end of cross slid platform c1 is fixedly installed on car body b, and movable end is fixedly connected with cutterhead framework c2; Cutterhead c3 axleTo being fixed on cutterhead framework c2; The output of described spindle motor is connected with cutterhead c3, to drive the rotation of cutterhead c3; TenWord slide unit c1 can move on Y, Z both direction, and wherein motion is in the Y direction by Y-direction Electric Machine Control, in Z directionOn motion controlled by Z-direction motor c4;
Described auxiliary positioning unit comprises: laser profile scanner (not shown), right contact d5, left contact d4,Articulated elements d3, left connecting rod d1, right connecting rod d2, Z-direction adjusting cylinders d6, Z-direction adjusting screw d8, Z-direction sensor d7, YTo sensor and side contacts part d9;
It is upper that described laser profile scanner, Z-direction sensor d7 are fixedly installed on respectively cutterhead framework c2, and wherein laser profile is sweptRetouch instrument and be arranged at cutterhead c3 right side, Z-direction sensor d7 drops on the Z-direction diameter of cutterhead c3. The left end of left connecting rod d1 is with leftContact d4 is fixedly connected with, and right-hand member and articulated elements d3 are hinged; The right-hand member of right connecting rod d2 is fixedly connected with right contact d5, a left sideEnd is hinged with articulated elements d3; It is upper that the stiff end of Z-direction adjusting cylinders d6 is fixedly installed on cutterhead framework c2, movable end and articulated elementsD3 is fixedly connected with; Now articulated elements d3 be positioned at Z-direction sensor d7 under, right contact d5 is positioned at the right side of cutterhead c3Side, left contact d4 is positioned at the left side of cutterhead c3; It is upper that the stiff end of Z-direction adjusting screw d8 is fixedly installed on cutterhead framework c2,Movable end and right contact d5 are hinged; Side contacts part d9 is that elasticity is connected with right contact d5, and the finger tip of side contacts part d9Be positioned at the below of right contact d5; Described Y-direction sensor setting is in the finger tip of side contacts part d9, for measuring side contacts part d9Finger tip apart from cutterhead c3 the distance in Y-direction.
Further, in order to promote automated job process, improve man-machine interaction effect, as shown in Figure 2, used hereinRail milling operation system also comprise: numerical control driver element (NCU) and man-machine interaction unit (PCU), wherein: numerical control driveUnit, the data that collect for receiving laser profile scanner, Y-direction sensor and Z-direction sensor, and according to receivingData send running instruction to Y-direction motor, Z-direction motor and spindle motor; Man-machine interaction unit, for manpower intervention numerical control drivesUnit provides passage, and the data that receive for storing numerical control driver element. More specifically:
1. described in, numerical control driver element comprises:
---external communication module, the data that collect for receiving laser profile scanner, Y-direction sensor and Z-direction sensor,And send the data to milling control module;
---milling control module, to the data analysis receiving, and control Y-direction motor, Z-direction motor and spindle motorRunning;
---intercommunication module, for realizing communicating by letter of numerical control driver element and man-machine interaction unit.
2. described in, man-machine interaction unit comprises:
---human-computer interaction module, for manpower intervention numerical control driver element provides passage;
---data memory module, for storing the data of numerical control driver element acceptance and the instruction of transmission.
Also external two input modules of man-machine interaction unit in addition:
---panel input module, for manpower intervention numerical control driver element provides panel input channel;
---keyboard input module, for manpower intervention numerical control driver element provides keyboard input channel.
The control method of a kind of rail milling operation of the present invention, comprises the steps:
S1: gather rail profile parameter; Laser profile scanner scans rail, to obtain rail profile parameter;
S2: tool setting; Y-direction motor and Z-direction motor drive cross slid platform to slide, and then the motion of band movable knife disc, so that cutterhead operationFace contacts just with rail;
S3: auxiliary locator initializes; By the adjustment to Z-direction adjusting cylinders and Z-direction adjusting screw, make right contact,Left contact contacts just with rail upper surface respectively, and side contacts part contacts just with the side surface of rail;
S4: milling operation; Start spindle motor and car body; Car body drive under, rail milling operation system along rail direction withConstant speed moves; , control right contact, left contact contacts with rail upper surface all the time therebetween, control side contacts part all the timeContact with rail side surface, Z-direction sensor is measured the height of cutterhead in Z-direction in real time, and Y-direction sensor is measured side contacts in real timePart finger tip and the cutterhead distance in Y-direction, thus road conditions are carried out to real-time judge; And then milling performance element is continuous according to road conditionsCutterhead is made adjustment in Z-direction and/or Y-direction, to realize the milling reparation to rail. More specifically, cutterhead is in Z-directionOn adjustment and regulation rule in Y-direction as follows:
(1) regulation rule of cutterhead in Z-direction is:
S41: whenTime, can conclude that the fluctuation of rail level does not affect milling quality, so do not make automatically controlled action;
S42: whenTime, the work meeting of cutterhead causes adverse influence to rail level; Now need to make automatically controlled action,Particularly:
IfRepresent that situation about rising appears in the rail level that is about to cutting, cutterhead is postponing to need hoisting depth after T second
IfRepresent that situation about declining appears in the rail level that is about to cutting, cutterhead is postponing after T second, to need falling head:
Wherein, Δ H=H-H0, H represents the return of value of Z-direction sensor, H0Represent the preset value of Z-direction sensor; T=t-tL，ε is for taking fromA point value of scope, v is body speed of vehicle, tLFor the response time of equipment, LRightGenerationShow right contact and the distance of Z-direction sensor on directions X, LLeftRepresent that left contact and Z-direction sensor are on directions XDistance. Along with diminishing gradually of ε value, cutterhead is higher to the Milling Accuracy of rail; WhenTime, knife cutting precision is minimum,But the Milling Accuracy under this parameter is also enough to meet the reparation demand to rail.
(2) cutterhead regulation rule is in the Y direction:
By the operation in the Y direction of Y-direction Electric Machine Control cross slid platform, with keep cutterhead apart from side contacts part end in Y-directionOn constant distance.
The discovery when method of stating is in the use carried out milling to rail, is subject to the impact of Milling Force, and cutterhead c3 can not be stably to railA implements milling. In order to address this problem, increase hydraulic cylinder d10 in rail milling operation system, wherein said hydraulic cylinder d10Stiff end be fixedly connected with described car body b, movable end is connected with described cutterhead framework c2; At S4: in milling operation step,Hydraulic cylinder d10 gives the constant downward power of cutterhead framework c2 all the time, so that cutterhead c3 implements milling to rail a under constant pressure,Thereby improve the stability of milling.
Above-described embodiment is described the preferred embodiment of the present invention, not scope of the present invention is carried outLimit, design under the prerequisite of spirit not departing from the present invention, those of ordinary skill in the art make technical scheme of the present inventionVarious distortion and improvement, all should fall in the definite protection domain of the claims in the present invention book.
Claims (8)
1. a control method for rail milling operation, is characterized in that: rail milling operation system comprises: car body, milling are carried outUnit and auxiliary positioning unit;
---described milling performance element comprises: cross slid platform, cutterhead framework, cutterhead, Y-direction motor, Z-direction motor and main shaft electricityMachine;
The stiff end of described cross slid platform is fixedly installed on described car body, and movable end is fixedly connected with described cutterhead framework; DescribedCutterhead is axially fixed on described cutterhead framework; The output of described spindle motor is connected with described cutterhead, to drive revolving of cutterheadTurn; Described cross slid platform can move on Y, Z both direction, and wherein motion is in the Y direction by Y-direction Electric Machine Control,Motion in Z direction is by Z-direction Electric Machine Control;
---described auxiliary positioning unit comprises: laser profile scanner, right contact, left contact, articulated elements, left connecting rod,Right connecting rod, Z-direction adjusting cylinders, Z-direction adjusting screw, Z-direction sensor, Y-direction sensor and side contacts part;
Described laser profile scanner, Z-direction sensor are fixedly installed on respectively on described cutterhead framework, wherein laser profileInstrument is arranged at cutterhead right side, and Z-direction sensor drops on the Z-direction diameter of cutterhead; The left end of described left connecting rod and described left contactBe fixedly connected with, right-hand member and described articulated elements are hinged; The right-hand member of described right connecting rod is fixedly connected with described right contact, left end and instituteState articulated elements hinged; The stiff end of described Z-direction adjusting cylinders is fixedly installed on described cutterhead framework, movable end and described hingedPart is fixedly connected with; Now described articulated elements be positioned at described Z-direction sensor under, described right contact is positioned at described cutterheadRight side, described left contact is positioned at the left side of described cutterhead; The stiff end of described Z-direction adjusting screw is fixedly installed on described cutterheadOn framework, movable end and described right contact are hinged; Described side contacts part is that elasticity is connected with described right contact, and side contactsPart finger tip is positioned at the below of described right contact; Described Y-direction sensor setting is in the finger tip of described side contacts part;
---control method comprises the steps:
S1: gather rail profile parameter; Laser profile scanner scans rail, to obtain rail profile parameter;
S2: tool setting; Y-direction motor and Z-direction motor drive cross slid platform to slide, and then the motion of band movable knife disc, so that cutterhead operationFace contacts just with rail;
S3: auxiliary locator initializes; By the adjustment to Z-direction adjusting cylinders and Z-direction adjusting screw, make right contact,Left contact contacts just with rail upper surface respectively, and side contacts part contacts just with the side surface of rail;
S4: milling operation; Start spindle motor and car body; Car body drive under, rail milling operation system along rail direction withConstant speed moves; , control right contact, left contact contacts with rail upper surface all the time therebetween, control side contacts part all the timeContact with rail side surface, Z-direction sensor is measured the height of cutterhead in Z-direction in real time, and Y-direction sensor is measured side contacts in real timePart finger tip and the cutterhead distance in Y-direction, thus road conditions are carried out to real-time judge; And then milling performance element is according to road conditions tool settingDish is constantly made adjustment, to realize the milling reparation to rail.
2. the control method of a kind of rail milling operation according to claim 1, is characterized in that: cutterhead is in Z directionRegulation rule be:
S41: whenTime, do not make automatically controlled action;
S42: whenTime, need to make automatically controlled action, particularly:
IfCutterhead is postponing to need hoisting depth after T second
IfCutterhead is postponing to need falling head after T second
Wherein, Δ H=H-H0, H represents the return of value of Z-direction sensor, H0Represent the preset value of Z-direction sensor; T=t-tL，ε takes fromA point value of scope, v is body speed of vehicle, tLFor the response time of equipment, LRightRepresentativeRight contact and the distance of Z-direction sensor on directions X, LLeftRepresent left contact and the distance of Z-direction sensor on directions XFrom.
3. the control method of a kind of rail milling operation according to claim 1, is characterized in that: cutterhead in the Y directionRegulation rule be:
By the operation in the Y direction of Y-direction Electric Machine Control cross slid platform, with keep cutterhead apart from side contacts part end in Y-directionOn constant distance.
4. the control method of a kind of rail milling operation according to claim 1, is characterized in that: rail milling operation systemSystem also comprises hydraulic cylinder, and the stiff end of described hydraulic cylinder is fixedly connected with described car body, and movable end is connected with described cutterhead framework;At S4: in milling operation step, hydraulic cylinder is given the constant downward pressure of cutterhead framework all the time, so that cutterhead is right under constant pressureRail is implemented milling.
5. the control method of a kind of rail milling operation according to claim 1, is characterized in that: rail milling operation systemSystem also comprises numerical control driver element and man-machine interaction unit; Wherein:
Numerical control driver element, the data that collect for receiving laser profile scanner, Y-direction sensor and Z-direction sensor, andAccording to the data that receive, Y-direction motor, Z-direction motor and spindle motor are sent to running instruction;
Man-machine interaction unit, for manpower intervention numerical control driver element provides passage, and numerical control driver element receives for storingData.
6. the control method of a kind of rail milling operation according to claim 5, is characterized in that: described numerical control drives singleUnit comprises:
---external communication module, the data that collect for receiving laser profile scanner, Y-direction motor and Z-direction sensor,And send the data to milling control module;
---milling control module, to the data analysis receiving, and control Y-direction motor, Z-direction motor and spindle motorRunning;
---intercommunication module, for realizing communicating by letter of numerical control driver element and man-machine interaction unit.
7. the control method of a kind of rail milling operation according to claim 5, is characterized in that: described man-machine interaction listUnit comprises:
---human-computer interaction module, for manpower intervention numerical control driver element provides passage;
---data memory module, for storing the data of numerical control driver element acceptance and the instruction of transmission.
8. the control method of a kind of rail milling operation according to claim 7, is characterized in that: described man-machine interaction listExternal two input modules of unit:
---panel input module, for manpower intervention numerical control driver element provides panel input channel;
---keyboard input module, for manpower intervention numerical control driver element provides keyboard input channel.
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| CN107052416A (en) * | 2016-12-16 | 2017-08-18 | 中国石油天然气集团公司 | A kind of method and system on auxiliary edge milling machines milling side |
| CN107139021A (en) * | 2017-06-30 | 2017-09-08 | 北京拓博尔轨道维护技术有限公司 | A kind of rail milling turnning and milling cuts operation unit test platform |
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| CN116047020A (en) * | 2023-04-03 | 2023-05-02 | 杭州电子科技大学 | Online repair performance testing device and testing method for steel rail surface damage |
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| CN107052416A (en) * | 2016-12-16 | 2017-08-18 | 中国石油天然气集团公司 | A kind of method and system on auxiliary edge milling machines milling side |
| CN107052416B (en) * | 2016-12-16 | 2019-03-15 | 中国石油天然气集团公司 | A kind of method and system on auxiliary edge milling machines milling side |
| CN107139021A (en) * | 2017-06-30 | 2017-09-08 | 北京拓博尔轨道维护技术有限公司 | A kind of rail milling turnning and milling cuts operation unit test platform |
| CN107139021B (en) * | 2017-06-30 | 2023-10-20 | 北京拓博尔轨道维护技术有限公司 | Milling operation unit test platform of steel rail milling and grinding vehicle |
| CN109954912A (en) * | 2018-11-01 | 2019-07-02 | 湖大海捷(湖南)工程技术研究有限公司 | A kind of milling unit positioning apparatus and its milling control method |
| 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 |
| CN116047020A (en) * | 2023-04-03 | 2023-05-02 | 杭州电子科技大学 | Online repair performance testing device and testing method for steel rail surface damage |
| CN116047020B (en) * | 2023-04-03 | 2023-07-25 | 杭州电子科技大学 | Online repair performance testing device and testing method for steel rail surface damage |
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