CN203546546U - Contour machining device for reshaping railhead of steel rail - Google Patents
Contour machining device for reshaping railhead of steel rail Download PDFInfo
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- CN203546546U CN203546546U CN201320688015.2U CN201320688015U CN203546546U CN 203546546 U CN203546546 U CN 203546546U CN 201320688015 U CN201320688015 U CN 201320688015U CN 203546546 U CN203546546 U CN 203546546U
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- 229910000831 Steel Inorganic materials 0.000 title abstract description 30
- 239000010959 steel Substances 0.000 title abstract description 30
- 238000003801 milling Methods 0.000 claims abstract description 101
- 230000009183 running Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 17
- 238000007493 shaping process Methods 0.000 abstract description 34
- 238000000227 grinding Methods 0.000 description 37
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 12
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- 230000003028 elevating effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
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Abstract
A contour machining device for reshaping a railhead of a steel rail comprises a supporting base. A mobile guide rail I is installed on the supporting base and connected with a Y-directional mobile seat. A Y-directional guide rail is installed on the Y-directional mobile seat and connected with a lifting mechanism. A Z-directional mobile seat is installed on the outer side of the lifting mechanism. A Z-directional guide rail is installed on the outer side of the Z-directional mobile seat and connected with a main milling unit. A milling component is installed on the lower portion of the main milling unit. A Y-directional guide device is further installed on the lower portion of the main milling unit. The contour machining device for reshaping the railhead of the steel rail is installed in a running device. The contour machine device for reshaping the railhead of the steel rail does not have a cutting pressure angle, the contour of the railhead of the steel rail is reshaped through meshing transmission between two facing cutters, force exerted on the rail head in the shaping process is uniform, and shaping accuracy is high.
Description
Technical field
The utility model relates to a kind ofly makes milling cutter that rail head of rail profile reshapes and for implementing the equipment of said method by the facing cutter of operable engagement at least one times.
Background technology
Rail is as an Infinite Beam being bearing on continuous elastic basis, mainly bear the concentrated vertical load from rolling stock, on its section, produce certain moment of flexure, rail comprises rail head, the web of the rail and the flange of rail, wide and the vehicle tread contact position at Rail, increase along with the service time, can produce various diseases, for example ripple grinds, overlap, the irregularity of joint etc., the comfortableness of running train will be affected, accelerate the loss of rail simultaneously, therefore need reshape processing to Rail exterior feature, reach and extend rail application life, improve running train comfortableness, reduce the object of operation noise, in this process, the selection of processing method reshapes working (machining) efficiency for raising, extremely important effect has cut down finished cost, method conventional in prior art is, rail is adopted to climb cutting processing, make it to form and be parallel to rail milling track longitudinally, then when peripheral grinding, once produce rail running surface of wheeltrack, especially the protuberance in rail head of rail cross section, be positioned at the rail head You Transverse section protuberance on steel rail web, this protuberance comprises running surface of wheeltrack, and rail head top district, the wheel of rolling stock moves on the surface in running surface of wheeltrack and rail head top district, when rail head of rail may wear to a certain degree, according to high-speed railway circuit service requirement, Rail exterior feature need to be repaired, with alap cost, make rail head Transverse section protuberance and running surface of wheeltrack reproduce its original state.Therefore,, according to the requirement of railway operation Zhe Huo railroad, need, according to abrasion situation and maintenance condition, the Wheel/Rail Contact Area of Rail Head Section, rail head top district be reshaped, to improve the application life of rail.
Notification number is that the patent of invention of CN1296561C discloses a kind of method and corresponding equipment that reshapes at least one running surface of wheeltrack of rail, this invention relates to peripheral milling and reshapes rail, it adopts the processing method of climb cutting, formation is parallel to rail longitudinally more than five, nine milling tracks preferably, to produce rail running surface of wheeltrack in a peripheral grinding step, the protuberance in rail head of rail cross section preferably, its shortcoming is, adopt circumference climb cutting Problems in Machining of Steel Rail rail head profile, there is cutting pressure angle problem, affect rail longitudinal smoothness precision, and contradiction is, if need to improve rail longitudinal smoothness precision, must increase milling dish diameter, thereby cause milling power and corresponding traveling device structure complicated, improve cutting cost, and complex device is safeguarded also high compared with cost, in addition owing to longitudinally existing at rail more than five, nine milling tracks preferably, after adopting peripheral milling rail head of rail, need milling track to polish, high-speed railway circuit particularly, this polishing is absolutely necessary, rail through polishing could reduce operation noise, meets high-speed railway circuit service requirement, yet, because the track of needs polishing is many, polishing high expensive.
Utility model content
The utility model is improved for above-mentioned defect, in the utility model about the regulation of direction:
X-direction: rail is longitudinal, is parallel to the direction that rail advances;
Y-direction: rail is horizontal, the direction of advancing perpendicular to rail;
Z-direction: with the longitudinal direction vertical with the plane at the horizontal place of rail of rail.
First aspect of the present utility model provides a kind of rail head of rail contour machining equipment that reshapes, it comprises support substrate, moving guide rail I is housed in this support substrate, this moving guide rail I connects Y-direction Mobile base, on this Y-direction Mobile base, Y-direction guide rail is housed, this Y-direction guide rail is connected with hoisting mechanism, Z-direction Mobile base is equipped with in this hoisting mechanism outside, Z-direction guide rail is equipped with in this Z-direction Mobile base outside, this Z-direction guide rail is connected with milling master unit, milling assembly is equipped with in this milling master unit bottom, and Y-direction guiding device is also equipped with in milling master unit bottom.
Preferably, described milling master unit is also connected with driving arrangement, and the effect of this driving arrangement is to provide power.
More preferably, described driving arrangement is connected with transmission device, and this transmission device is the facing cutter to described milling master unit by the transmission of power of described driving arrangement.
More preferably, described milling assembly is also connected with aspirator, so that the chip after Milling Process is discharged in time by aspirator.
More preferably, described milling assembly comprises two intermeshing facing cutters.
More preferably, on described facing cutter, cutter blade is housed, for milling rail.
Preferably, described in, reshaping rail head of rail contour machining equipment is contained in running gear.
Preferably, described in, reshaping rail head of rail contour machining equipment is contained in running gear 10 by described support substrate.
More preferably, in described running gear, be equipped with described at least one and reshape rail head of rail contour machining equipment.
Preferably, described running gear comprises wheel to move on rail.
More preferably, described running gear moves on one-sided rail.
More preferably, described running gear moves on bilateral rail.
Preferably, guiding device is equipped with in described Z-direction Mobile base below, and this guiding device is pressed in rail 1 surface by elevating mechanism, guarantees Cutting Stiffness, this guiding device is connected with servo drive and by servo drive, realizes the Z-direction feeding of milling assembly simultaneously.
More preferably, described Y-direction guiding device is positioned at the place ahead of described milling assembly.
More preferably, described Y-direction guiding device comprises position proportional feedback system, realizes the Y-direction feeding of facing cutter by Y-direction servo drive.
Preferably, described moving guide rail I is arranged symmetrically with in described support substrate outside.
The rail head of rail contour machining equipment that reshapes operating principle described in first aspect of the present utility model is: be positioned at the rail head Bao Kuo Transverse section protuberance on steel rail web, this protuberance comprises running surface of wheeltrack, and rail head top district, the wheel of rolling stock moves on the surface in running surface of wheeltrack and rail head top district, and after wearing and tearing, the shape of the running surface of wheeltrack of rail head is represented by line G_A.Once rail head of rail may wear to this state, according to high-speed railway circuit service requirement, Rail exterior feature need to be repaired, and with alap cost, makes rail head Transverse section protuberance and running surface of wheeltrack reproduce its original state, and the Gui Kuo Transverse section shape after reshaping is as shown in line G_C.Therefore, according to the requirement of railway operation Zhe Huo railroad, need be according to abrasion situation and maintenance condition, the Wheel/Rail Contact Area of Rail Head Section, rail head top district are reshaped, to improve the application life of rail, according to the abrasion condition of rail, must remove relatively large material, this requirement must Shall completes rail head rail exterior feature as far as possible soon and at low cost and reshapes in the rail of having laid, at least reshape the wide contact surface of rail, to hinder as few as possible railway traffic.
According to the rail head of rail contour machining equipment that reshapes of the utility model first aspect, be furnished with two cover engagement milling dish building mortions and be symmetrically arranged in the left and right rail of railway line top, so that it is wide to repair the Rail of arranged on left and right sides in once passing through; And forward and backward being arranged on the rail track being formed of two cover engagement facing cutter formers, once, by realizing the roughing of rail and fine finishining, meets rail track service requirement.Described support substrate is used for supporting Y-direction Mobile base, this mobile support saddle is realized Y-direction feed motion by moving guide rail and servomotor, on Y-direction Mobile base, Z-direction Mobile base is realized the elevating movement of Z-direction Mobile base Z-direction by Z-direction guide rail and hoisting mechanism, coarse milling assembly and finish-milling are cut assembly respectively along Z-direction guide rail, by Z-direction servo control mechanism, realize the feed motion of facing cutter Z-direction, thereby at operational outfit, along rail, in longitudinal running, by coarse milling assembly and finish-milling, cut assembly and realize respectively rough milling and finish-milling operation rail, the guiding device moving along rail Y between milling assembly has position proportional feedback system, by Y servo drive, realize the Y-direction feeding of facing cutter, rough mill and smear metal that finish-milling or grinding produce and dust are just taken out by aspirator once occurring.
In addition, also can only adopt one group of former (same form two cover, be arranged on left and right rail), once by complete the rail of finishing arranged on left and right sides, be used in railway low speed line service requirement.
In addition, it is grinding unit that finish-milling is cut to unit replacement, can realize the polishing to Cutting trajectory, and this grinding unit has the system that regulates grinding depth, according to abrasion condition rail re-adjustments emery wheel continuously relatively.
More multioperation is all known for those of ordinary skills, repeats no more.
Second aspect of the present utility model provides a kind of processing method that reshapes rail head of rail profile, and it comprises the following steps:
A
1. along longitudinal front and back of single steel rail, arrange at least one group of engagement facing cutter;
B
1. along the single steel rail that reshapes equipment traffic direction the place ahead, longitudinally arrange one group of engagement form cutter dish I;
C
1. along the single steel rail that reshapes equipment traffic direction rear, longitudinally arrange one group of engagement form cutter dish II;
D
1. another one steel rail longitudinally arrange respectively at least one group engagement facing cutter;
E
1. in the longitudinal the place ahead of another one steel rail, arrange one group of engagement form cutter dish I, one group of engagement form cutter dish II is arranged at the longitudinal rear of rail;
F
1. will mesh form cutter dish I to rail head of rail feeding, to the roughing of rail head of rail profile;
G
1. will mesh form cutter dish II to rail head of rail feeding, to the fine finishining of rail head of rail profile, thereby improve the fineness of processing rail level;
H
1. the equipment that reshapes longitudinally advances along rail, completes the continuous processing of one section of rail.
Preferably, above step is carried out successively, to complete the processing of left and right two one steel rails.
Preferably, the engagement facing cutter on single steel rail is one group, and each group engagement facing cutter on two one steel rails of left and right forms a set of engagement facing cutter.
More preferably, carry out successively step a
1b
1c
1f
1g
1h
1, complete the processing of single steel rail.
Preferably, step b
1, steps d
1, step f
1with step e
1described in mesh form cutter dish I and comprise at least two intermeshing facing cutters.
More preferably, the facing cutter of described engagement form cutter dish I is along rail lateral arrangement.
Preferably, described facing cutter is equipped with cutter blade.
More preferably, described engagement form cutter dish I comprises 2n intermeshing facing cutter, wherein n≤1.
More preferably, described engagement form cutter dish II comprises 2n intermeshing facing cutter, wherein n≤1.
Preferably, n facing cutter in described facing cutter I is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, all the other n facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but does not contain the wheel track circular arc contact zone of wheel and this side contacts.
Preferably, the n of a described facing cutter II facing cutter is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, all the other n facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but does not contain the wheel track circular arc contact zone of wheel and this side contacts.
Preferably, the n of a described facing cutter I facing cutter is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, and all the other n facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, and this side comprises tread district and wheel track circular arc contact zone.
Preferably, the n of a described facing cutter II facing cutter is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, and all the other n facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, and this side comprises tread district and wheel track circular arc contact zone.
Preferably, the n of a described facing cutter I facing cutter is positioned at a side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone, all the other n facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone.
Preferably, the n of a described facing cutter II facing cutter is positioned at a side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone, all the other n facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone.
Preferably, the n of a described facing cutter I facing cutter is positioned at a side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone, all the other n facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone.
Preferably, the n of a described facing cutter II facing cutter is positioned at a side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone, all the other n facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone.
Preferably, described facing cutter I is arranged on the left and right rail having placed an iron railway, and the facing cutter of every two engagements arranges based on cross-section of the rail Central Symmetry, and at cross-section of the rail Central Symmetry maximum two Cutting trajectories that distribute.
Preferably, described facing cutter I is arranged in rail rail track front end, realizes the roughing of the left and right rail of rail, and described facing cutter II is arranged in rail rail track rear end, realizes the fine finishining of the left and right rail of rail.
Preferably, the end face of the facing cutter of described facing cutter I is uniform at least one cutter blade A along the circumferential direction, this cutter blade A is responsible for the shaping of rail head of rail tread district (the wheel track circular arc contact zone that does not contain this side), or the shaping in responsible rail head of rail wheel track circular arc contact zone (the tread district that does not contain this side).
Preferably, the end face of the facing cutter of described facing cutter I is uniform at least one cutter blade B along the circumferential direction, this cutter blade B is responsible for rail head of rail tread district (the wheel track circular arc contact zone that does not contain this side) and is shaped, or responsible rail head of rail wheel track circular arc contact zone (the tread district that does not contain this side) is shaped.
More preferably, described cutter blade A is identical with the specification of cutter blade B.
More preferably, described cutter blade A is different with the specification of cutter blade B.
The third aspect of the present utility model provides a kind of processing method that reshapes rail head of rail profile, and it comprises the following steps:
A
2. along single steel rail, longitudinally arrange at least one group of process equipment in front and back;
B
2. along the single steel rail that reshapes equipment traffic direction the place ahead, longitudinally arrange one group of engagement form cutter dish;
C
2. along the single steel rail that reshapes equipment traffic direction rear, longitudinally arrange one group of equipment for grinding;
D
2. at least one group of process equipment of longitudinal layout of another one steel rail;
E
2. in the longitudinal the place ahead of another one steel rail, arrange one group of engagement form cutter dish, one group of equipment for grinding is arranged at the longitudinal rear of rail;
F
2. will mesh form cutter dish to rail head of rail feeding, to the roughing of rail head of rail profile, and be distributed to many two Cutting trajectories at cross-section of the rail Central Symmetry;
G
2. equipment for grinding, to rail head of rail feeding, is carried out to grinding action to the wheel track junction of rail;
H
2. the equipment that reshapes longitudinally advances along rail, completes continuous processing.
Preferably, above step is carried out successively, to complete milling roughing and the grinding fine finishining of left and right two one steel rails.
Preferably, the process equipment being arranged on single steel rail is one group, and each group engagement facing cutter on two one steel rails of left and right forms a set of engagement facing cutter.
More preferably, carry out successively step a
2b
2c
2f
2g
2h
2, complete the processing of single steel rail.
Preferably, step b
2, and step e
2described in mesh form cutter dish and comprise at least two intermeshing facing cutters.
More preferably, two facing cutters of described engagement form cutter dish are along rail lateral arrangement.
Preferably, described facing cutter is equipped with cutter blade.
Preferably, due in steps d, form to reshape Cutting trajectory few, the workload of equipment for grinding is few, and grinding action is simple, processing cost is low.
Preferably, described facing cutter is arranged on the left and right rail having placed an iron railway, the facing cutter of every two engagements is arranged based on cross-section of the rail Central Symmetry, and at cross-section of the rail Central Symmetry maximum two Cutting trajectories that distribute, described equipment for grinding comprises two groups of grinding units, is arranged on the left and right rail of the circuit that places an iron railway.
More preferably, one group of grinding unit in described equipment for grinding is arranged in rail rail track front end, realize the roughing of the left and right rail of rail, another group grinding unit in described equipment for grinding is arranged in rail rail track rear end, realizes the essence polishing of the left and right rail of rail.
There is not cutting pressure angle problem in the rail head of rail contour machining method and apparatus that reshapes described in the utility model, two facing cutter engaged transmission realize rail head of rail profile are reshaped, forming process is stressed evenly, forming accuracy is high, and once-forming operation just can meet railway operation requirement, wherein for guaranteeing the milling cutter working durability, can adopt described two cover engagement rail head of rail form cutter dishes, along rail, longitudinally arrange front and back, the a set of engagement form cutter of arranged in front carries out the roughing of rail head of rail profile, for the lower rail track of the speed of service, this rough milling has met rail track service requirement, after arrange that a set of engagement form cutter carries out the fine finishining of rail head of rail profile, improve processing rail level fineness, meet high-speed railway circuit service requirement, because employing is engagement type and end mill mode reshapes rail head of rail profile, in the situation that facing cutter is less, just can realize higher profile forming accuracy, comprise cross section precision and longitudinal smoothness precision, the required driving power of trimming device, complex structure degree are significantly reduced, reduce trimming cost and cost of equipment maintenance, making rail head of rail profile reshape technology has new breakthrough and development.
Provided by the utility modelly reshape any combination that the processing method of rail head of rail profile and the technical scheme of equipment comprise each part mentioned above, the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that reshapes a preferred embodiment of rail head of rail contour machining equipment described in the utility model first aspect.
Fig. 2 is the structural representation of milling assembly embodiment illustrated in fig. 1.
Fig. 3 is milling assembly embodiment illustrated in fig. 1 and the structural representation of rail.
Fig. 4 is the structure for amplifying schematic diagram of milling assembly embodiment illustrated in fig. 2.
Fig. 5 is milling assembly embodiment illustrated in fig. 4 and the relative position schematic diagram of rail.
In Fig. 1-Fig. 5, numeral represents respectively:
1 rail 2 web of the rail 3 rail head 5 rail head top district 6 rail head of rail 7 runnings surface of wheeltrack
10 running gear 11 grinding unit 22 cutter blade I 23 cutter blade II 24 facing cutter I 25 facing cutter II
26_A aspirator 26_B aspirator 27_A Y-direction guiding device 27_B Y-direction guiding device
28_A driving arrangement 28_B driving arrangement 29_A transmission device 29_B transmission device
30_A guiding device 30_B guiding device 31_A milling master unit 31_B milling master unit
32_A Z-direction guide rail 32_B Z-direction guide rail 33_A Z-direction Mobile base 33_B Z-direction Mobile base
34_A hoisting mechanism 34_B hoisting mechanism 35_A Y-direction guide rail 35_B Y-direction guide rail
36_A Y-direction Mobile base 36_B Y-direction Mobile base 37_A moving guide rail I 37_B moving guide rail I
39_A support substrate 39_B support substrate
Cross section protuberance after running surface of wheeltrack G_B wearing and tearing after G_A wearing and tearing
Gui Kuo Transverse section shape line after G_C reshapes.
The specific embodiment
In order to understand better the utility model, below in conjunction with accompanying drawing, describe respectively the preferred embodiment that reshapes the processing method of rail head of rail profile according to of the present utility model in detail, and according to the preferred embodiment that reshapes rail head of rail contour machining equipment of the present utility model.
Embodiment 1.1: Fig. 1-Fig. 5 is respectively the schematic diagram of the relative position of structure for amplifying, milling assembly and the rail of milling assembly, milling assembly and rail meshing relation, milling assembly in the structural representation of the preferred embodiment that reshapes rail head of rail contour machining equipment described in the utility model first aspect and the present embodiment, in the present embodiment, a kind of rail head of rail contour machining equipment that reshapes comprises the equipment of rough milling and finish-milling equipment, this rough mills apparatus arrangement in the place ahead along rail direction of advance, and this rough mills apparatus arrangement at the rear along rail direction of advance.
In the present embodiment, described in rough mill equipment and described finish-milling equipment is contained in running gear 10 so that running gear 10 is along in rail running, rail being rough milled and finish-milling operation.
In the present embodiment, running gear 10 is that running gear 10 bottoms comprise two Train Wheel along rail centrosymmetric structure longitudinally, and this two Train Wheel symmetry is distributed on two rail in left and right and moves.
In the present embodiment, described running gear 10Nei Yan rail longitudinal center is equipped with symmetrically two groups and rough mills equipment.
In the present embodiment, two groups of finish-milling equipment are equipped with symmetrically in described running gear 10Nei Yan rail longitudinal center.
In the present embodiment, the equipment of rough milling comprises support substrate 39_B, this support substrate 39_B will rough mill equipment connection in running gear 10, moving guide rail I 37_B is housed on this support substrate 39_B, this moving guide rail I 37_B connects Y-direction Mobile base 36_B, on this Y-direction Mobile base 36_B, Y-direction guide rail 35_B is housed, this Y-direction guide rail 35_B is connected with hoisting mechanism 34_B, this hoisting mechanism 34_B is equipped with Z-direction Mobile base 33_B in outside, this Z-direction Mobile base 33_B is equipped with Z-direction guide rail 32_B in outside, this Z-direction guide rail 32_B is connected with milling master unit 31_B, coarse milling assembly is equipped with in this milling master unit 31_B bottom, milling master unit 31_B is also equipped with bottom Y-direction guiding device 27_B, milling master unit 31_B is also connected with driving arrangement 28_B, driving arrangement 28_B is connected with transmission device 29_B.
In the present embodiment, finish-milling equipment comprises support substrate 39_A, this support substrate 39_A by finish-milling equipment connection in running gear 10, moving guide rail I 37_A is housed on this support substrate 39_A, this moving guide rail I 37_A connects Y-direction Mobile base 36_A, on this Y-direction Mobile base 36_A, Y-direction guide rail 35_A is housed, this Y-direction guide rail 35_A is connected with hoisting mechanism 34_A, this hoisting mechanism 34_A is equipped with Z-direction Mobile base 33_A in outside, this Z-direction Mobile base 33_A is equipped with Z-direction guide rail 32_A in outside, this Z-direction guide rail 32_A is connected with milling master unit 31_A, this milling master unit 31_A bottom is equipped with finish-milling and is cut assembly, milling master unit 31_A is also equipped with bottom Y-direction guiding device 27_A, milling master unit 31_A is also connected with driving arrangement 28_A, driving arrangement 28_A is connected with transmission device 29_A.
In the present embodiment, preferably, described coarse milling assembly is all connected vacuum suction apparatus with the rear that finish-milling is cut assembly.
In the present embodiment, preferably, described coarse milling assembly comprises facing cutter I 24 and facing cutter II 25, and facing cutter I 24 and facing cutter II 25 are intermeshing.
In the present embodiment preferably, it is horizontal that the center line of facing cutter I 24 and facing cutter II 25 is parallel to rail, therefore running gear 10 is along in the longitudinal running of rail, facing cutter I 24 and facing cutter II 25 complete the milling operation of rail lateral contour, and are formed centrally two symmetrical Cutting trajectories in the district of the Rail crown.
In the present embodiment, preferably, facing cutter I 24 is circular facing cutter, along uniform 20 the cutter blade I 22 of circumferencial direction of facing cutter I 24 end faces.
In the present embodiment, the circular facing cutter of facing cutter II 25, along uniform 20 the cutter blade II 23 of circumferencial direction of facing cutter II 25 end faces, for milling rail.
In the present embodiment, it is identical with described coarse milling modular construction that described finish-milling is cut assembly, and the precision of the ratio of precision coarse milling assembly cutter blade of different the is cutter blade that finish-milling cuts assembly is higher.
In the present embodiment, described in to rough mill equipment identical with finish-milling device structure, different is wherein coarse milling assembly and finish-milling are cut the cutter blade that assembly comprises respectively different accuracy.
In the present embodiment, guiding device 30_B and 30_A are equipped with respectively in described Z-direction Mobile base 33_B and 33_A below, guiding device 30_B and 30_A are pressed in rail 1 surface by elevating mechanism respectively, guarantee Cutting Stiffness, guiding device 0_B and 30_A realize the Z-direction feeding of milling assembly by servo drive simultaneously.
In the present embodiment, preferably, Y-direction guiding device 27_B is positioned at the place ahead of described coarse milling assembly, and Y-direction guiding device 27_A is positioned at the place ahead that described finish-milling is cut assembly.
In the present embodiment, moving guide rail I 37_B is arranged symmetrically with in support matrices 39_B outside, and moving guide rail I 37_A is arranged symmetrically with in support substrate 39_A outside.
Embodiment 1.2, a kind of rail head of rail contour machining equipment that reshapes, and with embodiment 3.1, difference is: milling master unit 31_A is equipped with grinding drive unit in bottom, and this grinding drive unit connects grinding unit, and this grinding unit is for carrying out essence polishing to rail.
In above-described embodiment, reshape the track profile that rail head of rail contour machining equipment can be repaired respectively the Rail exterior feature of arranged on left and right sides or repair left and right two rail simultaneously in once passing through; And forward and backward being arranged on the rail track being formed of two cover engagement facing cutter formers, once, by realizing the roughing of rail and fine finishining, meets rail track service requirement.Described support substrate 39_B, 39_A is used for supporting Y-direction Mobile base 36_B, 36_A, this mobile support saddle is by moving guide rail 37_B, 37_A and servomotor are realized Y-direction feed motion, at Y-direction Mobile base 36_B, on 36_A, Z-direction Mobile base 33_B, 33_A is by Z-direction guide rail 35_B, 35_A and hoisting mechanism 34_B, 34_A realizes Z-direction Mobile base 33_B, the elevating movement of 33_A Z-direction, coarse milling assembly and finish-milling are cut assembly respectively along Z-direction guide rail 32_B, 32_A, by Z-direction servo control mechanism, realize the feed motion of facing cutter Z-direction, thereby at operational outfit, along rail, in longitudinal running, by coarse milling assembly and finish-milling, cut assembly and realize respectively rough milling and finish-milling operation rail, the guiding device moving along rail Y between milling assembly has position proportional feedback system, by Y servo drive, realize the Y-direction feeding of facing cutter, rough mill and smear metal that finish-milling or grinding produce and dust are just taken out by aspirator 26_A and 26_B once occurring.
In addition, also can only adopt one group of former (same form two cover, be arranged on left and right rail), once by complete the rail of finishing arranged on left and right sides, be used in railway low speed line service requirement.
In addition, it is grinding unit that finish-milling is cut to unit replacement, can realize the polishing to Cutting trajectory, and this grinding unit connects the system that regulates grinding depth, according to abrasion condition rail re-adjustments emery wheel continuously relatively.
Embodiment 2.1: a kind of processing method that reshapes rail head of rail profile, and it comprises the following steps:
A
1. along single steel rail, longitudinally arrange two groups of engagement facing cutters in front and back;
B
1. along the single steel rail that reshapes equipment traffic direction the place ahead, longitudinally arrange one group of engagement form cutter dish I;
C
1. along the single steel rail that reshapes equipment traffic direction rear, longitudinally arrange one group of engagement form cutter dish II;
D
1. will mesh form cutter dish I to rail head of rail feeding, to the roughing of rail head of rail profile;
E
1. will mesh form cutter dish II to rail head of rail feeding, to the fine finishining of rail head of rail profile, thereby improve the fineness of processing rail level;
F
1. the equipment that reshapes longitudinally advances along rail, completes the continuous processing of one section of rail.
In the present embodiment, above step is carried out successively.
In the present embodiment, step b
1described in mesh form cutter dish I and comprise two intermeshing facing cutters.
In the present embodiment, described facing cutter is longitudinally arranged symmetrically with based on rail, and in the district of the Rail crown, is formed centrally maximum two symmetrical Cutting trajectories.
In the present embodiment, described facing cutter is equipped with cutter blade.
In the present embodiment, a facing cutter in described facing cutter I is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, another facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but does not contain the wheel track circular arc contact zone of wheel and this side contacts.
In the present embodiment, a facing cutter of described facing cutter II is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, another facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but does not contain the wheel track circular arc contact zone of wheel and this side contacts.
Embodiment 2.2: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.1, difference is: by step a
1in engagement facing cutter be arranged in left and right two with on rail, left and right two one steel rails complete reprocessing operation simultaneously.
Embodiment 2.3: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.2, difference is: a facing cutter of described facing cutter I is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, another facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, and this side comprises tread district and wheel track circular arc contact zone; And a facing cutter of described facing cutter II is positioned at a side of shaping rail head of rail, this side comprises wheel track circular arc contact zone and tread district, another facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, and this side comprises tread district and wheel track circular arc contact zone.
Embodiment 2.4: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.2, difference is: a facing cutter of described facing cutter I is positioned at a side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone, another facing cutter of described facing cutter I is positioned at the opposite side of shaping rail head of rail, and this side comprises tread district, but not containing wheel track circular arc contact zone; A facing cutter of described facing cutter II is positioned at a side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone, another facing cutter of described facing cutter II is positioned at the opposite side of shaping rail head of rail, this side comprises tread district, but not containing wheel track circular arc contact zone.
Embodiment 2.5: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.2, difference is: described facing cutter I is arranged on the left and right rail having placed an iron railway, described facing cutter II is also arranged on the left and right rail having placed an iron railway, the facing cutter of every two engagements arranges based on cross-section of the rail Central Symmetry, and at cross-section of the rail Central Symmetry maximum two Cutting trajectories that distribute.
In the present embodiment, described facing cutter I is arranged in rail rail track front end, realizes the roughing of the left and right rail of rail, and described facing cutter II is arranged in rail rail track rear end, realizes the fine finishining of the left and right rail of rail.
Embodiment 2.6: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.5, difference is: the end face of the facing cutter of described facing cutter I is uniform cutter blade A along the circumferential direction, and this cutter blade A is responsible for the shaping of rail head of rail tread district (the wheel track circular arc contact zone that does not contain this side); The cutter blade B of described facing cutter I is arranged in facing cutter end face, along the circumferential direction uniform, and this cutter blade B is responsible for rail head of rail tread district (the wheel track circular arc contact zone that does not contain this side) and is shaped.
Embodiment 2.7: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.6, difference is: cutter blade A is responsible for the shaping in rail head of rail wheel track circular arc contact zone (the tread district that does not contain this side), and cutter blade B is responsible for rail head of rail wheel track circular arc contact zone (the tread district that does not contain this side) and is shaped.
Embodiment 2.8: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.7, difference is: described cutter blade A is identical with the specification of cutter blade B.
Embodiment 2.9: a kind of processing method that reshapes rail head of rail profile, with embodiment 1.7, difference is: described cutter blade A is different with the specification of cutter blade B.
Embodiment 3.1: a kind of processing method that reshapes rail head of rail profile, and it comprises the following steps:
A
2. along rail, longitudinally arrange two groups of process equipments in front and back;
B
2. along the rail that reshapes equipment traffic direction the place ahead, longitudinally arrange one group of engagement form cutter dish;
C
2. along the rail that reshapes equipment traffic direction rear, longitudinally arrange one group of equipment for grinding;
D
2. will mesh form cutter dish to rail head of rail feeding, to the roughing of rail head of rail profile, and be distributed to many two Cutting trajectories at cross-section of the rail Central Symmetry;
E
2. equipment for grinding, to rail head of rail feeding, is carried out to grinding action to the wheel track junction of rail;
F
2. the equipment that reshapes longitudinally advances along rail, completes continuous processing.
In the present embodiment, above step is carried out successively.
In the present embodiment, step b
2described in mesh form cutter dish and comprise two intermeshing facing cutters.
In the present embodiment, two facing cutters of described engagement form cutter dish are along rail lateral arrangement.
In the present embodiment, described facing cutter is equipped with cutter blade, due in steps d, form to reshape Cutting trajectory few, the workload of equipment for grinding is few, and grinding action is simple, processing cost is low.
Embodiment 3.2: a kind of processing method that reshapes rail head of rail profile, with embodiment 2.1, difference is: by step a
2in engagement facing cutter be arranged in left and right two with on rail, left and right two one steel rails complete reprocessing operation simultaneously.
Embodiment 3.3: a kind of processing method that reshapes rail head of rail profile, with embodiment 2.2, difference is: described facing cutter is arranged on the left and right rail having placed an iron railway, the facing cutter of every two engagements is arranged based on cross-section of the rail Central Symmetry, and at cross-section of the rail Central Symmetry maximum two Cutting trajectories that distribute, described equipment for grinding comprises two groups of grinding units 11, is arranged on the left and right rail of the circuit that places an iron railway.
Embodiment 3.4: a kind of processing method that reshapes rail head of rail profile, with embodiment 2.3, difference is: described one group of grinding unit 11 is arranged in rail rail track front end, realize the roughing of the left and right rail of rail, described another group grinding unit 11 is arranged in rail rail track rear end, realizes the essence polishing of the left and right rail of rail.
Described in above-described embodiment there is not cutting pressure angle problem in method and apparatus, two facing cutter engaged transmission realize rail head of rail profile are reshaped, forming process is stressed evenly, forming accuracy is high, and once-forming operation just can meet railway operation requirement, wherein for guaranteeing the milling cutter working durability, can adopt described two cover engagement rail head of rail form cutter dishes, along rail, longitudinally arrange front and back, the a set of engagement form cutter of arranged in front carries out the roughing of rail head of rail profile, for the lower rail track of the speed of service, this rough milling has met rail track service requirement; After arrange that a set of engagement form cutter carries out the fine finishining of rail head of rail profile, improve processing rail level fineness, meet high-speed railway circuit service requirement; Because employing is engagement type and end mill mode reshapes rail head of rail profile, in the situation that facing cutter is less, just can realize higher profile forming accuracy, comprise cross section precision and longitudinal smoothness precision, the required driving power of trimming device, complex structure degree are significantly reduced, reduce trimming cost and cost of equipment maintenance, making rail head of rail profile reshape technology has new breakthrough and development.
The processing method that reshapes rail head of rail profile that above-described embodiment provides and the technical scheme of equipment comprise any combination of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.
More multioperation is all known for those of ordinary skills, repeats no more.
Claims (9)
1. one kind reshapes rail head of rail contour machining equipment, it comprises support substrate, moving guide rail I is housed in this support substrate, this moving guide rail I connects Y-direction Mobile base, on this Y-direction Mobile base, Y-direction guide rail is housed, this Y-direction guide rail is connected with hoisting mechanism, Z-direction Mobile base is equipped with in this hoisting mechanism outside, Z-direction guide rail is equipped with in this Z-direction Mobile base outside, this Z-direction guide rail is connected with milling master unit, milling assembly is equipped with in this milling master unit bottom, Y-direction guiding device is also equipped with in milling master unit bottom, it is characterized in that: described in reshape rail head of rail contour machining equipment and be contained in running gear.
2. the rail head of rail contour machining equipment that reshapes as claimed in claim 1, is characterized in that: described milling master unit is also connected with driving arrangement, and described driving arrangement is connected with transmission device.
3. the rail head of rail contour machining equipment that reshapes as claimed in claim 2, is characterized in that: described milling assembly is also connected with aspirator.
4. the rail head of rail contour machining equipment that reshapes as claimed in claim 3, is characterized in that: described milling assembly comprises two intermeshing facing cutters, on described facing cutter, cutter blade is housed.
5. the rail head of rail contour machining equipment that reshapes as claimed in claim 4, is characterized in that: in described running gear, be equipped with described at least one and reshape rail head of rail contour machining equipment.
6. the rail head of rail contour machining equipment that reshapes as claimed in claim 5, is characterized in that: described running gear comprises wheel.
7. the rail head of rail contour machining equipment that reshapes as claimed in claim 6, is characterized in that: guiding device is equipped with in described Z-direction Mobile base below, and this guiding device is connected with servo drive.
8. the rail head of rail contour machining equipment that reshapes as claimed in claim 7, is characterized in that: described Y-direction guiding device is positioned at the place ahead of described milling assembly.
9. the rail head of rail contour machining equipment that reshapes as claimed in claim 8, is characterized in that: described Y-direction guiding device comprises position proportional feedback system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688015.2U CN203546546U (en) | 2013-11-04 | 2013-11-04 | Contour machining device for reshaping railhead of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688015.2U CN203546546U (en) | 2013-11-04 | 2013-11-04 | Contour machining device for reshaping railhead of steel rail |
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| Publication Number | Publication Date |
|---|---|
| CN203546546U true CN203546546U (en) | 2014-04-16 |
Family
ID=50464686
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688015.2U Expired - Lifetime CN203546546U (en) | 2013-11-04 | 2013-11-04 | Contour machining device for reshaping railhead of steel rail |
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| CN (1) | CN203546546U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612006A (en) * | 2013-11-04 | 2015-05-13 | 昆明中铁大型养路机械集团有限公司 | Processing equipment for re-forming rail head contour |
| 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 |
| 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 |
| CN104911965A (en) * | 2015-05-29 | 2015-09-16 | 昆明中铁大型养路机械集团有限公司 | Rough milling device of mobile rail milling vehicle |
| 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 |
| 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 |
| 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 |
-
2013
- 2013-11-04 CN CN201320688015.2U patent/CN203546546U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612006A (en) * | 2013-11-04 | 2015-05-13 | 昆明中铁大型养路机械集团有限公司 | Processing equipment for re-forming rail head contour |
| CN104612006B (en) * | 2013-11-04 | 2017-03-22 | 中国铁建高新装备股份有限公司 | Processing equipment for re-forming rail head contour |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN104911965A (en) * | 2015-05-29 | 2015-09-16 | 昆明中铁大型养路机械集团有限公司 | Rough milling device of mobile rail milling vehicle |
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| C56 | Change in the name or address of the patentee | ||
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Address after: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384 Patentee after: CRCC HIGH-TECH EQUIPMENT Corp.,Ltd. Address before: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384 Patentee before: KUNMING CHINA RAILWAY LARGE MAINTENANCE MACHINERY GROUP Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140416 |