CN209636569U - A kind of online one-pass molding milling rail equipment of profile of steel rail - Google Patents
A kind of online one-pass molding milling rail equipment of profile of steel rail Download PDFInfo
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- CN209636569U CN209636569U CN201920099546.5U CN201920099546U CN209636569U CN 209636569 U CN209636569 U CN 209636569U CN 201920099546 U CN201920099546 U CN 201920099546U CN 209636569 U CN209636569 U CN 209636569U
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- rail
- milling
- knife grain
- curved surface
- profile
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- 238000003801 milling Methods 0.000 title claims abstract description 108
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 238000000465 moulding Methods 0.000 title claims abstract description 17
- 238000005299 abrasion Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
A kind of online one-pass molding milling rail equipment of profile of steel rail, mainly includes a set of milling attachment, detecting and controlling system and car body.The main working parts combination type milling cutter disk of milling attachment is made of round tool apron, several knife grain mounting bases, curved surface knife grain R13, curved surface knife grain R80, curved surface knife grain R300, a straight line knife grain.Device+a set of finish-milling device is rough milled or a set of rough mill combine operation before and after device+a set of grinding device and carry out the reparation of Rail Surface profile and form to compare by a set of with existing scheme, milling rail equipment provided by the utility model only needs a set of milling attachment separate operaton to can be realized to milling of profile of steel rail molding, a combination thereof formula milling cutter disk shape is fitted Rail Surface standard profile completely, straight line knife rib is not remained, meets route precision and ride comfort operation acceptance requirement.
Description
Technical field
The utility model relates to a kind of online one-pass moldings of profile of steel rail to mill rail equipment, especially railway track rail head profile
The processing method reshaped is repaired, railway track online milling maintenance technology field is belonged to.
Background technique
In recent years, China express railway and city underground transport development are rapid, as operation amount and time increase, rail table
Surface damage problem is more prominent, and common type of impairment has track side abrasion, wave mill, overlap etc., if these diseases are repaired not in time,
It will affect rail service life and train operation safety.To guarantee train operational safety and stability, it is necessary to using quick
Efficient online trimming techniques eliminate Rail Surface Abrasion, restore the good profile of rail.
Online rail trimming techniques mobile at present have steel rail grinding and two kinds of rail milling.Application publication number CN
104612005 A provide a kind of processing method for reshaping rail head of rail profile, use along rail longitudinal two groups of front and back arrangement
Engagement facing cutter or one group of facing cutter add one group of mill to carry out roughing and finishing to rail.Application publication number CN
104911965A provides a kind of mobile device of rough milling for milling rail equipment, includes at least seven sides on each knife rest of facing cutter
Shape blade and two curved surface blades first pass through and rough mill device to rail head of rail surface milling molding, then with finish-milling device to rail head
Surface carries out finish-milling trimming.The milling cutter dish structure installed is mainly using such as awarding on existing rail milling vehicle or milling rail vehicle
Structure type disclosed in notification number CN206622682U is weighed, i.e., is circumferentially evenly distributed with the identical cutter holder of multiple groups, every group of cutter holder on cutter head
2 circular arc blades of upper installation and 6 square blades.Using the milling attachment of the form, copy milling is carried out to Rail Surface profile
After cutting, rail head of rail surface damage is essentially eliminated.But have the disadvantage that (1) several square blades mill Rail Surface
The imitative standard profile being made of several straightways formed after cutting, therefore knife rib trace can be generated in X direction, to improve rail level
Precision is rebuild, need to use and rough mill device+finish-milling device or the progress milling (milling of milling attachment+grinding attachment combination operation mode
Mill).A large amount of high-temperature dust particles in Mars form can be generated when specifically, using steel rail grinding mode operation, not only sternly
The health of staff is endangered again, and great security risk can be also brought to field fireproof.(2) when subway line Rail Surface wheel
When exterior feature is rebuild, existing milling vehicle is since structure is complicated, weight is larger, it is difficult to which the maximum allowable axle load for meeting subway permission is wanted
It asks.
The utility model is in view of the above problems and insufficient, designs a kind of online one-pass molding milling rail equipment of profile of steel rail, makes
A milling operation is only needed with the milling rail equipment, curved surface knife grain combination blade that a combination thereof formula facing cutter is formed and rail head of rail
Standard profile fits like a glove, and can satisfy route Rail Surface precision and ride comfort requirement.Compared with existing milling bassinet structure, subtract
A set of grinding attachment or finish-milling device are lacked, the manufacturing cost of milling vehicle not only can be greatly reduced, mitigate complete vehicle weight, while energy
Enough bigger space is provided for the optimization of milling bassinet structure and performance boost.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of online one-pass molding milling rail equipment of profile of steel rail, solve existing
Have the knife rib after also needing to carry out polishing or finish-milling processing milling after product milling operation again, and accordingly generate cost, knot
Structure and control problem.
Regulation in the utility model about direction: Y-direction is that rail is longitudinal, that is, is parallel to rail direction；X to for rail cross
To i.e. perpendicular to rail direction；Z-direction is the direction vertical with the plane of rail longitudinal direction and the lateral place of rail.
The utility model provides a kind of online one-pass molding milling rail equipment of profile of steel rail, specifically includes that milling attachment, inspection
Survey control system and car body.Car body includes drivers' cab, vehicle frame, traveling dynamical system, electrical and hydraulic control system, walks action edge
System mainly includes that trailing or leading bogie is mounted on lower car body, for realizing low constant speed operation traveling；Milling attachment is symmetrically installed
At left and right sides of car body, rail rail level profile is repaired for milling；Detecting and controlling system is installed on the car body, for detecting route
Irregularity and Rail Surface Abrasion situation simultaneously control milling operation.
Milling attachment mainly includes combination type milling cutter disk and positioning feed system: positioning feed system is mounted on milling attachment
Front, combination type milling cutter disk is as milling work execution unit.The combination type milling cutter disk amount of feeding is set, it is suitable to carry out circumference to rail level
Milling Machining.
Combination type milling cutter disk includes round a tool apron, several knife grain mounting bases, curved surface knife grain R13, curved surface knife grain
R80, curved surface knife grain R300 and straight line knife grain.Round tool apron is a discoidal matrix, and knife grain mounting base is uniformly mounted on circle
On shape tool apron circumferencial direction, for convenience of the knife grain of replacement abrasion, knife grain mounting base is designed to movable detachable, passes through screw jail
Admittedly be locked on round tool apron；Curved surface knife grain R13, curved surface knife grain R80, curved surface knife grain R300 and straight line knife grain are pacified by screw
In knife grain mounting base.
Preferably, the first row of knife grain mounting base is by rail head Inside To Outside sequence arrangement curved surface knife grain R13, curved surface knife
Grain R80, curved surface knife grain R300 and straight line knife grain each one；Second row by rail head Inside To Outside sequence arrangement curved surface knife grain R13,
Curved surface knife grain R300 and curved surface knife grain R80 each one.
Preferably, extended spot arranges a straight line knife grain on the outside of rail.
Preferably, two rows of curved surface knife grains are arranged along X to staggered positions, and two rows of knife grains are at regular intervals along Y-direction, convenient for milling
Cut the discharge of iron filings.
Preferably, the blade radius of the radian of curved surface knife grain R13 is 13mm, the blade radius of the radian of curved surface knife grain R80 is
80mm, curved surface knife grain R300 blade radius of the radian be 300mm, be arranged in standard profile of steel rail corresponding R13, R80 and
At R300.Each curved surface knife grain combines the blade surface to be formed and fits like a glove with corresponding position rail standard profile, if avoiding
The milling cutter rib that transition is formed between dry straight line knife grain, suitable for eliminating side grinding, the wave mill, removing, crackle, overlap of Rail Surface
The defects of.
Preferably, the round tool apron diameter is 800 ~ 1400mm, and knife grain mounting base number oblong tool apron diameter increases
Increase greatly.
More multioperation be all for those of ordinary skills it is known, repeat no more.
The online one-pass molding of a kind of profile of steel rail provided by the utility model mills rail equipment and technology scheme, including above-mentioned each portion
Any combination divided, the simple change of each part mentioned above component or combination are still the protection scope of the utility model.
By using a kind of online one-pass molding milling rail equipment of profile of steel rail provided by the utility model, have following beneficial
Effect:
(1) the utility model provides a kind of online one-pass molding milling rail equipment of profile of steel rail, is not required to increase subsequent beat
Mill or finish-milling operation just can satisfy route Rail Surface Abrasion reparation requirement, and existing milling vehicle or milling rail vehicle is made to reduce a set of mill
Turning device or finish-milling device, significantly reduce manufacturing cost；
(2) milling rail equipment complete vehicle weight is alleviated, only the structure optimization and performance boost of vehicle do not provide bigger sky
Between, and can satisfy the axis weight requirement of subway line, application is wider；
(3) the at a fully engaged rail head of rail profile of combination type milling cutter disk is utmostly eliminated due to the transition shape between knife grain
At X to milling cutter rib, Rail Surface precision and ride comfort are higher after operation.
Detailed description of the invention
Fig. 1 is milling rail device structure schematic diagram
Fig. 2 is combination type milling cutter dish structure schematic diagram
Fig. 3 is knife grain mounting base and knife grain arrangement schematic diagram
Fig. 4 is arrangement schematic three dimensional views of each knife grain with respect to rail
Fig. 5 is the complete profile milling Problems in Machining of Steel Rail schematic diagram of each knife grain
Fig. 6 is curved surface knife grain R1 structural schematic diagram
Fig. 7 is curved surface knife grain R2 structural schematic diagram
Fig. 8 is curved surface knife grain R3 structural schematic diagram
Numeral mark respectively indicates in Fig. 1-8:
10- car body；20- milling attachment；30- detecting and controlling system；100- rail；
21- combination type milling cutter disk；22- positions feed system；
1- knife grain mounting base；2- curved surface knife grain R13；3- curved surface knife grain R80；4- curved surface knife grain R300；5- straight line knife grain；6-
Round tool apron
Specific embodiment
The utility model in order to better understand 1 to attached drawing 8 is described in detail according to the utility model with reference to the accompanying drawing
A kind of preferred embodiment of the online one-pass molding milling rail equipment of profile of steel rail.
Embodiment 1.1: as shown in Fig. 1, a kind of specific embodiment of the online one-pass molding milling rail equipment of profile of steel rail, packet
Milling attachment (20), detecting and controlling system (30) and car body (10) are included, which carries out keeping low constant speed traveling when milling operation.
It totally two sets of milling attachment (20), is symmetrically mounted at left and right sides of car body (10), repairs rail rail level profile for milling；Detection control
System (30) processed is mounted on car body (10), for detecting guideway irregularity and Rail Surface Abrasion situation.
In the present embodiment, the milling attachment (20) mainly includes combination type milling cutter disk (21) and positioning feed system
(22): positioning feed system (22) is mounted in front of milling attachment (20), the amount of feeding of combination type milling cutter disk (21) is set, to rail
Face carries out circumference climb cutting processing.
In the present embodiment, as shown in attached drawing 2,3, the combination type milling cutter disk (21) is adopted as milling work execution unit
With the standard profile on a variety of curved surface knife grains engagement rail (100) surface comprising: a round tool apron (6), several knife grains peace
Fill seat (1), curved surface knife grain R13(2), curved surface knife grain R80(3), curved surface knife grain R300(4) and straight line knife grain (5).The circular knife
Seat (6) diameter is 800mm, and knife grain mounting base (1) number is 32, and knife grain mounting base (1) is uniformly mounted on circle by bolt
On tool apron (6) circumferencial direction.The curved surface knife grain R13(2), curved surface knife grain R80(3), curved surface knife grain R300(4) and straight line knife grain
(5) it is mounted in knife grain mounting base (1) by bolt.
In the present embodiment, as shown in attached drawing 4,5, the first row of knife grain mounting base (21) is by rail head Inside To Outside sequence cloth
Set curved surface knife grain R13(2), curved surface knife grain R80(3), curved surface knife grain R300(4) and straight line knife grain (5) each one；Second row is by rail
Head Inside To Outside sequence arrangement curved surface knife grain R13(2), curved surface knife grain R80(3), curved surface knife grain R300(4) it is one each.It is two rows of
Knife grain is arranged along X to staggered positions, and combination forms the standard profile on rail (100) surface, two rows of knife grains along Y-direction have it is certain between
Away from convenient for the discharge of milling iron filings.
In the present embodiment, as shown in attached drawing 6,7,8, the curved surface knife grain R13(2) blade radius of the radian be 13mm；It is bent
Face knife grain R80(3) blade radius of the radian be 80mm；Curved surface knife grain R300(4) blade radius of the radian be 300mm.
In the present embodiment, using the milling rail equipment carry out milling operation profile of steel rail will coincide with standard profile, X to
There is no the milling cutter ribs formed due to the transition between knife grain, and Rail Surface precision and ride comfort is made to reach requirement.
Embodiment 1.2: a kind of combination type milling cutter disk, with embodiment 1.1, the difference is that: round tool apron (11) diameter
For 900mm, knife grain mounting base (21) number is 36 ~ 40.
Embodiment 1.3: a kind of combination type milling cutter disk, with embodiment 1.1, the difference is that: round tool apron (11) diameter
For 1000mm, knife grain mounting base (21) number is 40 ~ 44.
Embodiment 1.4: a kind of combination type milling cutter disk, with embodiment 1.1, the difference is that: round tool apron (11) diameter
For 1100mm, knife grain mounting base (21) number is 44 ~ 48.
Embodiment 1.5: a kind of combination type milling cutter disk, with embodiment 1.1, the difference is that: round tool apron (11) diameter
For 1200mm, knife grain mounting base (21) number is 48 ~ 52.
Embodiment 1.6: a kind of combination type milling cutter disk, with embodiment 1.1, the difference is that: round tool apron (11) diameter
For 1300mm, knife grain mounting base (21) number is 52 ~ 56.
Embodiment 1.7: a kind of combination type milling cutter disk, with embodiment 1.1, the difference is that: round tool apron (11) diameter
For 1400mm, knife grain mounting base (21) number is 56 ~ 60.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Anyone skilled in the art, the Spirit Essence and technical solution for not departing from the utility model the case where
Under, many possible variations all are made to technical solutions of the utility model using the methods and technical content of the disclosure above and are repaired
Decorations or equivalent example modified to equivalent change.Therefore, all contents without departing from technical solutions of the utility model, foundation
The technical essence of the utility model any simple modification, equivalent replacement, equivalence changes and modification made to the above embodiment,
Still fall within the range of technical solutions of the utility model protection.
Claims (3)
1. a kind of online one-pass molding of profile of steel rail mills rail equipment, a set of milling attachment (20), detecting and controlling system are specifically included that
(30) and car body (10)；It is characterized by: each one of milling attachment (20) left and right, is symmetrically mounted on car body (10) two sides,
For carrying out milling reparation to two bar steel rail rail surface profiles；The detecting and controlling system (30) is mounted on car body (10), is used for
Detect guideway irregularity and Rail Surface Abrasion situation；The milling attachment (20) mainly includes combination type milling cutter disk (21) and fixed
Position feed system (22): positioning feed system (22) is mounted in front of milling attachment (20), setting combination type milling cutter disk (21)
The amount of feeding carries out circumference climb cutting processing to rail level；The combination type milling cutter disk (21) is as milling work execution unit, including one
It is a circle tool apron (6), several knife grain mounting bases (1), curved surface knife grain R13(2), curved surface knife grain R80(3), curved surface knife grain R300
(4) and straight line knife grain (5)；The knife grain mounting base (1) is uniformly mounted on round tool apron (6) circumferencial direction；The curved surface knife
Grain R13(2), curved surface knife grain R80(3), curved surface knife grain R300(4) and straight line knife grain (5) be mounted in knife grain mounting base (1), steel
The independent milling operation of the equipment is only needed to can reach the operation acceptance requirement of route precision and ride comfort when rail reparation.
2. a kind of online one-pass molding of profile of steel rail as described in claim 1 mills rail equipment, it is characterised in that: the curved surface knife
Grain R13(2) blade radius of the radian be 13mm, totally two, for corresponding at milling rail gauge angle R13；The curved surface knife grain R80
(3) blade radius of the radian be 80mm, totally two, for corresponding at milling top surface of rail R80；The curved surface knife grain R300(4)
Blade radius of the radian be 300mm, totally two；For corresponding at milling top surface of rail R300；The straight line knife grain (5) totally 1,
For extended spot on the outside of milling rail.
3. a kind of online one-pass molding of profile of steel rail as described in claim 1 mills rail equipment, it is characterised in that: the knife grain peace
Seat (1) first row is filled by rail head Inside To Outside sequence arrangement curved surface knife grain R13(2), curved surface knife grain R80(3), curved surface knife grain
) and straight line knife grain (5) R300(4；Second row is by rail head Inside To Outside sequence arrangement curved surface knife grain R13(2), curved surface knife grain
R300(4) and curved surface knife grain R80(3)；Knife grain is arranged along X to staggered positions, and knife grain combines the blade curved surface to be formed to rail rail
Head surface carries out envelop-type milling, and the rail head of rail surface profile formed after milling reparation fits like a glove with standard profile, avoids
Generation milling cutter rib；Two rows of knife grains are at regular intervals along Y-direction, convenient for the discharge of milling iron filings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099546.5U CN209636569U (en) | 2019-01-22 | 2019-01-22 | A kind of online one-pass molding milling rail equipment of profile of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099546.5U CN209636569U (en) | 2019-01-22 | 2019-01-22 | A kind of online one-pass molding milling rail equipment of profile of steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636569U true CN209636569U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920099546.5U Expired - Fee Related CN209636569U (en) | 2019-01-22 | 2019-01-22 | A kind of online one-pass molding milling rail equipment of profile of steel rail |
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| Country | Link |
|---|---|
| CN (1) | CN209636569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455748A (en) * | 2019-01-22 | 2020-07-28 | 湖南工业大学 | Online one-step forming rail milling equipment and method for steel rail profile |
-
2019
- 2019-01-22 CN CN201920099546.5U patent/CN209636569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455748A (en) * | 2019-01-22 | 2020-07-28 | 湖南工业大学 | Online one-step forming rail milling equipment and method for steel rail profile |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |