CN106906707A - A kind of deflectable steel rail grinding method - Google Patents
A kind of deflectable steel rail grinding method Download PDFInfo
- Publication number
- CN106906707A CN106906707A CN201710157745.2A CN201710157745A CN106906707A CN 106906707 A CN106906707 A CN 106906707A CN 201710157745 A CN201710157745 A CN 201710157745A CN 106906707 A CN106906707 A CN 106906707A
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- China
- Prior art keywords
- rail
- grinding method
- abrasive band
- belt sanding
- workbench
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
- E01B31/175—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding using grinding belts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention discloses a kind of deflectable steel rail grinding method, and it is comprised the following steps：1. rail is fixed on the workbench being clamped in below belt sanding mechanism；2. setting detects parameter, and detection parameter is delivered into control centre, while starting belt sanding mechanism and workbench so that workbench can be reciprocated in the length direction of rail while abrasive band operates；3. calculating is analyzed to the deflection angle of rail length direction according to detection parameter by control centre in bruting process, and control upright support post to drive the contact wheel of belt sanding mechanism to be rotated according to corresponding angle, it is consistent deflection angle of the abrasive band with rail in length direction；It using can so as to overcome prior art to polish, workload is big and defect long in time limit by the way of real-time adjustment grinding angle, and belt sanding mechanism can ensure that abrasive band is ground with rail using flexible, in the absence of interface water caltrop, can ensure the polishing precision of rail；It is widely used in subway and railway track maintenance is supported the use.
Description
Technical field
The present invention relates to grinding technique field, more particularly to a kind of deflectable steel rail grinding method.
Background technology
During " 13 ", China railways investment scale of fixed assets will be up to 3.5 trillion yuans, wherein capital construction
About 3 trillion yuans of investment, 30,000 kilometers of newly-built circuit；To the year two thousand twenty, china railway revenue kilometres are up to 150,000 kilometers, wherein high
Fast railway is 30,000 kilometers；And the universal speed per hour of train operates in more than 120km/h, and maximum speed has been even more than 350km/h,
Under so train running speed high, the indexs such as the surface roughness and linearity of rail are proposed it is stricter will
Ask；But under high-speed cruising state, rail bears rolling and make it various damages inevitably occur repeatedly for a long time
Wound, these hurts not only increase railway operation cost, and harm railway operation safety.
Rail occurs that different degrees of ripple mill, conquassation, turning oblique segmentation, stripping, overlap etc. is damaged by rolling for a long time
Hinder type, the frequency occurred in rail corner hurt is higher, under high-speed cruising state, some defects can aggravate extension even
Rail is broken suddenly, cause locomotive to derail or even topple, therefore the maintenance and maintenance of rail just seem extremely important.
It is according to hurt section when using rail milling car or rail grinding machine, and polishing to start that existing rail is repaired general
The coordinate data of rail length direction determines grinding angle, and its grinding angle is constant in bruting process, until having polished
Next hurt section is moved again to after to be polished；Because that can not be adjusted according to the deflection angle of rail length direction in bruting process
Whole grinding angle, causes the polishing workload of rail greatly, and the reparation of rail is long in time limit, and the precision polished is low.
The content of the invention
For above-mentioned situation, it is an object of the invention to provide a kind of deflectable steel rail grinding method, it is used can be real
When adjustment grinding angle mode so as to overcome prior art to polish, workload is big and defect long in time limit, and beaten using abrasive band
Grinding machine structure can ensure that abrasive band is ground with rail using flexible, in the absence of interface water caltrop, the polishing precision of rail can be ensured, before market
Scape is wide, is easy to promote the use of.
To achieve these goals, a kind of deflectable steel rail grinding method, it is comprised the following steps：
1. rail is fixed on the workbench being clamped in below belt sanding mechanism；
2. setting detects parameter, and detection parameter is delivered into control centre, while starting belt sanding mechanism and work
Platform so that the workbench can be reciprocated in the length direction of rail while abrasive band operates；
3. meter is analyzed to the deflection angle of rail length direction according to detection parameter by control centre in bruting process
Calculate, and control upright support post to drive the contact wheel of belt sanding mechanism to be rotated according to corresponding angle, so that abrasive band exists with rail
The deflection angle of length direction is consistent.
In order to realize structure, effect optimization, its further step is：1. middle rail fixation is clamped in work to the step
Need to keep the length direction of rail parallel with the rotation direction in abrasive band on platform.
2. middle startup belt sanding mechanism includes making abrasive band be fitted in rail by compression cylinder control contact wheel the step
Simultaneously rail is polished upper surface.
2. middle setting detection parameter includes the polishing starting point B of setting rail and the launch point of Infrared measuring devices to the step
A be located in same horizontal line and AB distance value, determine measurement point on rail according to the position of Infrared measuring devices receiving point E
The position of C and infrared emission angle β value and AD distance values.
The step ③Zhong control centres be analyzed according to detection parameter calculate include by set AB distance values, AD away from
Infrared hair when AC distance values, BC distance values, CD distance values and rail are linear state is obtained from value and infrared emission angle β value
Penetrate angle γ value.
The step ③Zhong control centres are analyzed calculating according to detection parameter also to be included by AB distance values, AD distance values
The deflection angle for obtaining rail length direction with CD distance values is α.
3. middle control upright support post drives the contact wheel of belt sanding mechanism to rotate bag according to corresponding angle to the step
Include and upright support post axial-rotation α is driven by control centre's control drive shaft, so as to drive the contact wheel phase of belt sanding mechanism
The rotation alpha answered.
The measurement point C of the step 2. the launch point A of middle Infrared measuring devices and the polishing starting point B of rail and rail
Between line formed acute triangle.
The step 2. launch point A of middle Infrared measuring devices, the measurement point C of rail and connecing for Infrared measuring devices
Line between sink E forms isosceles triangle.
Present invention beneficial effect produced compared to existing technology：
(I) present invention drives the contact wheel of belt sanding mechanism to be rotated according to corresponding angle using control upright support post,
So that deflection angle of the abrasive band with rail in length direction is consistent, the workload of polishing can be effectively reduced, improve polishing
Production efficiency, reduces the reparation duration of rail, and can ensure the grinding accuracy of rail；
(II) present invention can be such that abrasive band is ground using flexible with rail using belt sanding mechanism, and belt sanding mechanism
The deflection angle real-time adjustment grinding angle of rail can be followed, can ensure that steel rail grinding, in the absence of interface water caltrop, improves beating for rail
Mill precision, so as to extend the service life of rail；
(III) present invention using can by the way of real-time adjustment grinding angle so as to overcome prior art polish workload it is big with
Defect long in time limit, and belt sanding mechanism can ensure that abrasive band is ground with rail using flexible, in the absence of interface water caltrop, can protect
Hinder the polishing precision of rail, so as to extend the service life of rail, significantly reduce operating cost, with significant economic benefit and
Social benefit.
The present invention is widely used in subway and railway track maintenance is supported the use.
The present invention is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.
Fig. 1 is the overall structure diagram of steel rail grinding lathe in the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the rearview of Fig. 1.
Fig. 4 is the structural representation of belt sanding mechanism in the present invention.
Fig. 5 is the front view of upright support post in the present invention.
Fig. 6 is the upward view of upright support post in the present invention.
Fig. 7 is the mounting structure schematic diagram of contact wheel and rail in the present invention.
Fig. 8 is the measurement analysis schematic diagram of rail in the present invention.
In figure：1- bases, 2- cross slide ways, 3- support bases, 4- motors, 5- driving wheels, 6- upright support posts, 61- rotations
Turn base plate, 611- axis holes, 612- deep-slotted chip breakers, 7- vertical shift motors, 8- vertical shift guide rails, 9- plankers, 10- driven pulleys, 11-
Tensioning cylinder, 12- contact wheels, 13- abrasive bands, 14- rail, 15- workbench, 16- sliding blocks, 17- transverse mobile motors, 18- is compressed
Cylinder, 19- Infrared measuring devices, θ-upright support post angle rotatable, the launch point of A- Infrared measuring devices, the polishing of B- rail
Starting point, the measurement point of C- rail, next measurement point of C '-rail, the orthogonal points of D- measurement points to Infrared measuring devices, E- is red
The receiving point of external pelivimetry device, next receiving point of E '-Infrared measuring devices, measurement point when F- rail is linear state,
The angle of departure of β-Infrared measuring devices, next angle of departure of β '-Infrared measuring devices is red when γ-rail is linear state
Emission angle, the deflection angle of α-rail length direction.
Specific embodiment
Referring to the drawings, using a kind of steel rail grinding lathe of rail grinding of the present invention, it include base 1, cross slide way 2,
Belt sanding mechanism, upright support post 6, vertical shift guide rail 8, planker 9, workbench 15 and sliding block 16；The workbench 15 is set
In on base 1 and through cross slide way 2 and sliding block 16 can on base 1 transverse shifting, the upright support post 6 is arranged on base 1
And positioned at the side of workbench 15；The planker 9 is arranged in upright support post 16 towards the side of workbench 15 and through shifting vertically
Dynamic guide rail 8 can in upright support post 6 vertical shift, the planker 9 is connected with belt sanding mechanism towards the side of workbench 15；Institute
Stating belt sanding mechanism includes support base 3, the motor 4 being fixedly connected at the top of support base 3, coaxial with motor 4 to connect
Driving wheel 5 and driving wheel 5 driven pulley 10 being arranged in an axially parallel mode for connecing and the sand being centered around on driving wheel 5 and driven pulley 10
Band 13, the rotation direction in the abrasive band 13 is parallel with the length direction of rail 14, the axial direction and steel of the driving wheel 5 and driven pulley 10
The length direction of rail 14 is set at a right angle.
As depicted in figs. 1 and 2, the steel rail grinding lathe in the present invention includes that the upper end of upright support post 6 is fixedly connected with
Vertical shift motor 7 is used to drive planker 9 to move up and down, the easy to setup and various sizes of rail 14 of polishing；The base 1
Upper end is connected with transverse mobile motor 17 for driving the lateral shuttle of workbench 15 to move, and is easy to clamping with the polishing different chis of processing
Very little rail 14；The belt sanding mechanism also include setting between driving wheel 5 and driven pulley 10 and axially in parallel contact
Wheel 12, the abrasive band 13 fits in the upper surface of rail 14 and rail 14 is polished through contact wheel 12.
As shown in figure 4, belt sanding mechanism also includes tensioning cylinder 11 and compression cylinder 18, the tensioning cylinder in the present invention
11 are connected on planker 9 for laterally adjusting driven pulley 10 with the spacing of driving wheel 5 so as to be tensioned abrasive band 13, can prevent abrasive band 13
Sideslip and skidding, the push rod of the tensioning cylinder 11 are connected with the wheel shaft of driven pulley 10, promote driven when push rod shrinks or stretches out
Wheel 10 is tensioned abrasive band 13；The compression cylinder 18 be connected on planker 9 be used for the spacing of vertical adjustment contact wheel 12 and rail 14 from
And make the laminating of abrasive band 13 upper end face of rail 14, the polishing precision and improve production efficiency of rail 14 can be ensured, and extend rail
14 service life, the push rod of the compression cylinder 18 is connected with the wheel shaft of contact wheel 12, promotes connecing when push rod shrinks or stretches out
Wheel trolley 12 compresses abrasive band 13 and is fitted with the upper surface of rail 14；Towards the side of workbench 15 on the support base 3 of the workpiece polishing mechanism
It is connected with Infrared measuring devices 19 to be measured for the deflection angle to the length direction of rail 14, the Infrared measuring devices 19 also connect
Control centre is met, the deflection angle data of surveyed rail 14 control centre is transferred to through Infrared measuring devices 19, by control centre
To controlling drive shaft rotation after Data Analysis Services, so as to drive the real time rotation of upright support post 6 to enable abrasive band 13 with rail 14
Top surface is fitted completely, ensures the polishing high precision of rail 14；Axially mounted position of the motor 4 on support base 3 can
It is finely adjusted to both sides skew, is conducive to ensureing that the driving wheel 5 being coaxially disposed keeps axially in parallel with driven pulley 10, so as to prevent
The sideslip of abrasive band 13.
As shown in Figure 5 and Figure 6, upright support post 6 is connected through the rotating bottom board 61 of its bottom with base 1 in the present invention, the rotation
Turn the semicircular in shape of base plate 61 or fan-shaped and its end face circle center is provided with axis hole 611 for fixedly mounting rotating shaft, the rotation bottom
The end face outer rim of plate 61 is provided with multiple arcs groove 612 and is uniformly distributed around axis hole 611, and the deep-slotted chip breaker 612 typically sets 4~6
Individual, described each deep-slotted chip breaker 612 distinguishes piece bearing pin of grafting, and the bearing pin is fixedly connected on base 1；When in axis hole 611
When rotating shaft drives 6 axial-rotation of upright support post, deep-slotted chip breaker 612 can also rotate along the bearing pin in groove, can be ensured using the structure
The larger upright support post 6 of volume will not deflect during axial-rotation, ensure the polishing precision of rail 14；It is described vertical
The scope of the axial angle rotatable θ of pillar 6 is 0~12 °, and the bearing pin on normal condition lower bottom base 1 is located in deep-slotted chip breaker 612
The heart, while 6 axial-rotation of upright support post, deep-slotted chip breaker 612 rotates also along the bearing pin at center to both sides rotation and both sides
Scope is respectively 0~6 °, and the anglec of rotation is that designer draws by substantial amounts of research and experiment, can meet rail 14
Polishing demand, also ensures the simple and compact for structure of integral device, and operating cost is low.
As shown in fig. 7, the outer fringe surface shape of contact wheel 12 keeps with the upper surface outer margin contour of rail 14 in the present invention
Unanimously, the outer fringe surface of the contact wheel 12 is provided with plastic lining layer and its thickness is generally 1.5~3mm, using to the outer rim of contact wheel 12
Surface lining plastic is conducive to increasing coefficient of friction prevents abrasive band from skidding, and can prevent contact wheel 12 and rail 14 occur because of operational error
Collide and generation damage or contingency, and the plastic lining layer of contact wheel 12 occurs repairing more convenient during damage, the contact wheel
The thickness of 12 plastic lining layers high processing costs if too thick, anticollision effect is not reached if plastic lining layer is too thin.
As shown in figure 8, the Infrared measuring devices 19 in the present invention include the launch point A and the reception that are arranged on same straight line
, first be in the launch point A of the polishing starting point B of rail 14 and Infrared measuring devices 19 in same horizontal line before steel rail grinding by point E,
Then the angle of departure β of Infrared measuring devices 19 is adjusted, ensures that the receiving point E of Infrared measuring devices can normally receive rail 14 and feed back
Signal, so that it is determined that the measurement point C and angle of departure β of rail 14；Can be polished the vertical line BF of starting point B through extending DC lines, so that
Infrared emission angle γ when measurement point F and rail when determining that rail 14 is linear state are linear state；According to workbench
15 movement velocity VWNext measurement point C ' of rail and next receiving point E ' of Infrared measuring devices can accordingly be determined；
As can be known from Figure between the launch point A of Infrared measuring devices 19 and the polishing starting point B of rail 14 and the measurement point C of rail 14
Line form acute triangle, can prevent from causing the rail to influence normal to measure or measure inaccurate because AB distances are too short；And
Line shape between the launch point A of Infrared measuring devices 19, the measurement point C of rail 14 and the receiving point E of Infrared measuring devices
Into isosceles triangle, could ensure that receiving point E can the normal measurement of normal received signal realization.
With reference to accompanying drawing, job step of the invention is：
1. rail 14 is fixed the workbench 15 being clamped in below belt sanding mechanism using special fixture or magnetic fixture
On, the length direction of rail 14 need to be kept parallel with the rotation direction in abrasive band 13；
2. setting detects parameter, and detection parameter is delivered into control centre, while starting belt sanding mechanism and work
Platform 15 so that the workbench 15 can be reciprocated in the length direction of rail 14 while abrasive band 13 operates；The setting inspection
Survey parameter include the launch point A of polishing starting point B and the Infrared measuring devices 19 of setting rail 14 in same horizontal line and
The distance value of AB, the position of foundation Infrared measuring devices 19 receiving point E determine the position of measurement point C and infrared emission on rail 14
The movement velocity V of angle β value and AD distance values and workbench 15WValue；The startup belt sanding mechanism is included by compression gas
The control contact wheel 12 of cylinder 18 makes abrasive band 13 be fitted in the upper surface of rail 14 and polish rail 14；
3. the deflection angle of the length direction of rail 14 is analyzed according to detection parameter by control centre in bruting process
Calculate, including by the AB distance values that set, AD distance values and infrared emission angle β value obtain AC distance values, BC distance values, CD away from
Infrared emission angle γ value and rail 14 when from value, rail 14 being linear state are moved to from polishing starting B points and measure C points
Time t, specific derivation is as follows：
CD=ACcos β；Also include that the deflection angle for obtaining rail length direction by AB distance values, AD distance values and CD distance values isThe axial-rotation α of upright support post 6 is driven by control centre's control drive shaft again, so as to drive sand
The corresponding rotation alpha of contact wheel 12 with workpiece polishing mechanism, can make deflection angle of the abrasive band 13 with rail 14 in length direction keep one
Cause, so as to ensure the polishing precision of rail.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations；It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of deflectable steel rail grinding method, it is characterised in that comprise the following steps：
1. rail is fixed on the workbench being clamped in below belt sanding mechanism；
2. setting detects parameter, and detection parameter is delivered into control centre, while starting belt sanding mechanism and workbench, makes
Obtaining workbench while abrasive band operates can reciprocate in the length direction of rail；
3. calculating is analyzed to the deflection angle of rail length direction according to detection parameter by control centre in bruting process, and
Control upright support post drives the contact wheel of belt sanding mechanism to be rotated according to corresponding angle, so that abrasive band and rail are in length side
To deflection angle be consistent.
2. deflectable steel rail grinding method according to claim 1, it is characterised in that the step 1. fix by middle rail
It is parallel with the rotation direction in abrasive band that the length direction for needing to keep rail is clamped on workbench.
3. deflectable steel rail grinding method according to claim 1, it is characterised in that the step 2. middle startup abrasive band
Workpiece polishing mechanism includes making abrasive band be fitted in rail upper surface and polish rail by compression cylinder control contact wheel.
4. deflectable steel rail grinding method according to claim 1, it is characterised in that the step 2. middle setting detection
Parameter include the launch point A of polishing starting point B and the Infrared measuring devices of setting rail in same horizontal line and AB away from
Determine from value, according to the position of Infrared measuring devices receiving point E the position of measurement point C and infrared emission angle β value on rail, with
And AD distance values.
5. deflectable steel rail grinding method according to claim 4, it is characterised in that the step ③Zhong control centres
It is analyzed to calculate according to detection parameter and includes that AB distance values, AD distance values and infrared emission angle β value by setting obtain AC
Infrared emission angle γ value when distance value, BC distance values, CD distance values and rail are linear state.
6. deflectable steel rail grinding method according to claim 5, it is characterised in that the step ③Zhong control centres
It is analyzed calculates also include according to detection parameter and obtain rail length direction by AB distance values, AD distance values and CD distance values
Deflection angle is α.
7. deflectable steel rail grinding method according to claim 6, it is characterised in that 3. middle control is vertical for the step
Pillar drives the contact wheel of belt sanding mechanism to be rotated according to corresponding angle to be included being driven by control centre's control drive shaft
Upright support post axial-rotation α, so as to drive the corresponding rotation alpha of contact wheel of belt sanding mechanism.
8. deflectable steel rail grinding method according to claim 4, it is characterised in that the step 2. middle infrared survey
Line between the launch point A of device and the polishing starting point B of rail and the measurement point C of rail forms acute triangle.
9. deflectable steel rail grinding method according to claim 4, it is characterised in that the step 2. middle infrared survey
Line between the launch point A of device, the measurement point C of rail and the receiving point E of Infrared measuring devices forms isoceles triangle
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157745.2A CN106906707B (en) | 2017-03-16 | 2017-03-16 | A kind of deflectable steel rail grinding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157745.2A CN106906707B (en) | 2017-03-16 | 2017-03-16 | A kind of deflectable steel rail grinding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106906707A true CN106906707A (en) | 2017-06-30 |
| CN106906707B CN106906707B (en) | 2019-03-01 |
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ID=59186584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710157745.2A Active CN106906707B (en) | 2017-03-16 | 2017-03-16 | A kind of deflectable steel rail grinding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871238A (en) * | 2018-05-26 | 2018-11-23 | 湖南大学 | A kind of nuclear power zirconium pipe verticality measuring method and device |
| CN117488606A (en) * | 2023-11-10 | 2024-02-02 | 中铁物总运维科技有限公司 | Fixed rail profile intelligent polishing equipment measurement control system |
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| CN104452500A (en) * | 2014-11-17 | 2015-03-25 | 南京宏典轨道装备有限公司 | Track profiling grinding method |
| CN204662186U (en) * | 2015-04-24 | 2015-09-23 | 西南交通大学 | A kind of high-speed railway switch grinding apparatus |
| CN104929002A (en) * | 2015-07-13 | 2015-09-23 | 刘剑 | Portable curve-controlled high-precision steel rail profile modeling grinding machine |
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| US20130090046A1 (en) * | 2011-10-07 | 2013-04-11 | Bombardier Transportation Gmbh | Precision Rail Profiling Device for Railway Turnouts and Crossings |
| CN104153262A (en) * | 2014-07-10 | 2014-11-19 | 上海工程技术大学 | Portable device for accurately repairing wavy abrasion of steel rail of subway curve |
| CN104179100A (en) * | 2014-07-22 | 2014-12-03 | 上海工程技术大学 | Equipment for automatically and accurately repairing wavy abrasions to subway corner rail |
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| CN106906707B (en) | 2019-03-01 |
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