CN106906707B - A kind of deflectable steel rail grinding method - Google Patents
A kind of deflectable steel rail grinding method Download PDFInfo
- Publication number
- CN106906707B CN106906707B CN201710157745.2A CN201710157745A CN106906707B CN 106906707 B CN106906707 B CN 106906707B CN 201710157745 A CN201710157745 A CN 201710157745A CN 106906707 B CN106906707 B CN 106906707B
- Authority
- CN
- China
- Prior art keywords
- rail
- grinding
- distance value
- length direction
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 20
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 18
- 235000003283 Pachira macrocarpa Nutrition 0.000 abstract description 4
- 241001083492 Trapa Species 0.000 abstract description 4
- 235000014364 Trapa natans Nutrition 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 235000009165 saligot Nutrition 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- 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, it is the following steps are included: 1. will be on the fixed workbench being clamped in below belt sanding mechanism of rail；2. setting detection parameters, and it will test parameter and be delivered to control centre, while starting belt sanding mechanism and workbench, so that workbench can be moved back and forth in the length direction of rail while abrasive band operates；3. carrying out analytical calculation according to deflection angle of the detection parameters to rail length direction by control centre during the grinding process, and control upright support post and the contact wheel of belt sanding mechanism is driven to rotate according to corresponding angle, it is consistent abrasive band and rail in the deflection angle of length direction；It overcomes prior art polishing heavy workload and defect long in time limit by the way of it can adjust grinding angle in real time, and belt sanding mechanism can guarantee that abrasive band and rail using flexible grinding, are not present interface water chestnut, can ensure the grinding accuracy of rail；It is widely used in subway and railway track maintenance matches.
Description
Technical field
The present invention relates to grinding technique field more particularly to a kind of deflectable steel rail grinding methods.
Background technique
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 new route；To 2020, 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 120km/h or more, and maximum speed has been even more than 350km/h,
Under so high train running speed, the indexs such as surface roughness and straightness to rail propose stringenter want
It asks；But under high-speed cruising state, rail bears rolling it is made various damages inevitably occur repeatedly for a long time
Wound, these hurts not only increase railway operation cost, and endanger railway operation safety.
Rail will appear the damage such as different degrees of wave mill, conquassation, turning oblique segmentation, removing, overlap by rolling for a long time
Hurt type, higher in the frequency that rail corner hurt occurs, under high-speed cruising state, some defects can aggravate extension even
It is broken rail suddenly, locomotive is caused to derail or even topple, therefore it is very important for the maintenance and maintenance of rail.
Existing rail is repaired and generally uses rail milling vehicle or rail grinding machine, and polishing when starting is according to hurt section
The coordinate data of rail length direction determines grinding angle, its grinding angle is constant during the grinding process, until having polished
Next hurt section is moved again to after to polish；Cause during the grinding process cannot be according to the deflection angle tune of rail length direction
Whole grinding angle leads to the polishing heavy workload of rail, and the reparation of rail is long in time limit, and the precision polished is low.
Summary of the invention
For above situation, the purpose of the present invention is to provide a kind of deflectable steel rail grinding methods, it is used can be real
When adjustment grinding angle mode to overcome prior art polishing heavy workload and defect long in time limit, and beaten using abrasive band
Grinding machine structure can guarantee that using flexible grinding, interface water chestnut is not present in abrasive band and rail, can ensure the grinding accuracy of rail, before market
Scape is wide, convenient for promoting the use of.
To achieve the goals above, a kind of deflectable steel rail grinding method, it the following steps are included:
1. by the fixed workbench being clamped in below belt sanding mechanism of rail；
2. setting detection parameters, and it will test parameter and be delivered to control centre, while starting belt sanding mechanism and work
Platform, so that the workbench can be moved back and forth in the length direction of rail while the operating of abrasive band；
3. carrying out analysis meter according to deflection angle of the detection parameters to rail length direction by control centre during the grinding process
It calculates, and controls upright support post and the contact wheel of belt sanding mechanism is driven to rotate according to corresponding angle, so that abrasive band and rail exist
The deflection angle of length direction is consistent.
In order to realize structure, effect optimization, further step is: 1. middle rail fixation is clamped in work to the step
It needs to keep the length direction of rail parallel with the rotation direction in abrasive band on platform.
2. middle starting belt sanding mechanism includes so that abrasive band is fitted in rail by compression cylinder control contact wheel to the step
It simultaneously polishes rail upper surface.
2. middle setting detection parameters include the launch point for setting the polishing starting point B and Infrared measuring devices of rail to the step
A is located in same horizontal line and the position of the distance value of AB, foundation Infrared measuring devices receiving point E determines measurement point on rail
The position of C and infrared emission angle β value and AD distance value.
Step ③Zhong control centre according to detection parameters carry out analytical calculation include by set AB distance value, AD away from
Infrared hair when AC distance value, BC distance value, CD distance value and rail are linear state is obtained from value and infrared emission angle β value
Penetrate angle γ value.
It further includes by AB distance value, AD distance value that step ③Zhong control centre, which carries out analytical calculation according to detection parameters,
The deflection angle for obtaining rail length direction with CD distance value is α.
3. middle control upright support post drives the contact wheel of belt sanding mechanism to rotate packet according to corresponding angle to the step
It includes and upright support post axial-rotation α is driven by control centre's control drive shaft, to drive the contact wheel phase of belt sanding mechanism
The rotation alpha answered.
The step 2. in Infrared measuring devices launch point A, with the polishing starting point B of the rail and measurement point C of rail
Between line formed acute triangle.
The step 2. in Infrared measuring devices launch point A, the measurement point C of rail and connecing for Infrared measuring devices
Line between sink E forms isosceles triangle.
The present invention compared with prior art caused by the utility model has the advantages that
(I) present invention drives the contact wheel of belt sanding mechanism to rotate according to corresponding angle using control upright support post,
To make abrasive band and rail be consistent in the deflection angle of length direction, 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 make abrasive band and rail use flexible grinding, and belt sanding mechanism using belt sanding mechanism
The deflection angle of rail can be followed to adjust grinding angle in real time, can ensureing steel rail grinding, there is no interface water chestnuts, improve beating for rail
Precision is ground, to extend the service life of rail；
(III) present invention using it can adjust grinding angle in real time by the way of to overcome the prior art polishing heavy workload with
Defect long in time limit, and belt sanding mechanism can guarantee that abrasive band and rail using flexible grinding, are not present interface water chestnut, can protect
The grinding accuracy for hindering rail significantly reduces operating cost to extend the service life of rail, have significant economic benefit and
Social benefit.
The present invention is widely used in subway and railway track maintenance matches.
Invention is further described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations 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 schematic diagram of belt sanding mechanism in the present invention.
Fig. 5 is the main view of upright support post in the present invention.
Fig. 6 is the bottom 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 that schematic diagram is analyzed in the measurement of rail in the present invention.
In figure: 1- pedestal, 2- cross slide way, 3- support base, 4- driving motor, 5- driving wheel, 6- upright support post, 61- rotation
Turn bottom plate, 611- axis hole, 612- arc groove, 7- vertical shift motor, 8- vertical shift guide rail, 9- planker, 10- driven wheel, 11-
Tensioning cylinder, 12- contact wheel, the abrasive band 13-, 14- rail, 15- workbench, 16- sliding block, 17- transverse mobile motor, 18- are 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 point to Infrared measuring devices, E- are red
The receiving point of external pelivimetry device, next receiving point of E '-Infrared measuring devices, measurement point when F- rail is linear state,
β-Infrared measuring devices angle of departure, next angle of departure of β '-Infrared measuring devices are red when γ-rail is linear state
Outer launch angle, α-rail length direction deflection angle.
Specific embodiment
Referring to attached drawing, using a kind of steel rail grinding lathe of rail grinding of the present invention, it include pedestal 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 arranged
It transverse shifting, the upright support post 6 can be set on pedestal 1 on pedestal 1 on pedestal 1 and through cross slide way 2 and sliding block 16
And it is located at the side of workbench 15；The planker 9 is set to the side towards workbench 15 in upright support post 16 and is moved vertically
Dynamic guide rail 8 vertical shift, the planker 9 can be connected with belt sanding mechanism towards the side of workbench 15 in upright support post 6；Institute
Stating belt sanding mechanism includes support base 3, the driving motor 4 for being fixedly connected on 3 top of support base, is coaxially connected with driving motor 4
The driving wheel 5 and the driven wheel 10 being arranged in an axially parallel mode of driving wheel 5 and the sand being centered around on driving wheel 5 and driven wheel 10 connect
The rotation direction of band 13, 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 wheel 10
The length direction of rail 14 is arranged at 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 for driving planker 9 to move up and down, easy to setup and various sizes of rail 14 of polishing；The pedestal 1
Upper end is connected with transverse mobile motor 17 for driving 15 lateral shuttle of workbench mobile, convenient for clamping ruler different with polishing processing
Very little rail 14；The belt sanding mechanism further includes between setting and driving wheel 5 and driven wheel 10 and axially parallel contact
Wheel 12, the abrasive band 13 fits in 14 upper surface of rail through contact wheel 12 and polishes rail 14.
As shown in figure 4, belt sanding mechanism further includes tensioning cylinder 11 and compression cylinder 18, the tensioning cylinder in the present invention
11 are connected on planker 9 for laterally adjusting the spacing of driven wheel 10 and driving wheel 5 to be tensioned abrasive band 13, can prevent abrasive band 13
Sideslip and skidding, the push rod of the tensioning cylinder 11 and the wheel axis connection of driven wheel 10, push driven when push rod is shunk or is stretched out
10 tensioning abrasive band 13 of wheel；The compression cylinder 18 be connected on planker 9 for vertically adjust the spacing of contact wheel 12 and rail 14 from
And so that abrasive band 13 is bonded 14 upper end face of rail, can ensure the grinding accuracy of rail 14 and improve production efficiency, and extend rail
14 service life, the push rod of the compression cylinder 18 and the wheel axis connection of contact wheel 12, push when push rod is shunk or is stretched out and connect
Wheel trolley 12 compresses abrasive band 13 and is bonded with 14 upper surface of rail；Side towards workbench 15 on the support base 3 of the workpiece polishing mechanism
Infrared measuring devices 19 are connected with for measuring to the deflection angle of 14 length direction of rail, which also connects
Control centre is met, the deflection angular data of surveyed rail 14 is transferred to control centre through Infrared measuring devices 19, by control centre
To drive shaft rotation is controlled after Data Analysis Services, so that 6 real time rotation of upright support post be driven to enable abrasive band 13 and rail 14
Top surface is bonded completely, ensures that the grinding accuracy of rail 14 is high；Axially mounted position of the driving motor 4 on support base 3 can
It is offset to both sides and is finely adjusted, be conducive to ensure that the driving wheel 5 of coaxial arrangement keeps axial parallel with driven wheel 10, to prevent
13 sideslip of abrasive band.
As shown in Figure 5 and Figure 6, upright support post 6 is connect through the rotating bottom board 61 of its bottom with pedestal 1 in the present invention, the rotation
Turn 61 semicircular in shape of bottom plate or sector and its end face circle center is equipped with axis hole 611 for shaft, the rotation bottom to be fixedly mounted
The end face outer rim of plate 61 is equipped with multiple arcs slot 612 and is uniformly distributed around axis hole 611, the arc groove 612 generally setting 4~6
A, each arc groove 612 distinguishes piece pin shaft of grafting, and the pin shaft is fixedly connected on pedestal 1；When in axis hole 611
When shaft drives 6 axial-rotation of upright support post, arc groove 612 can also be rotated along the pin shaft in slot, can be ensured using the structure
The biggish upright support post 6 of volume will not deflect during axial-rotation, ensure the grinding accuracy of rail 14；It is described vertical
The range of the axial angle rotatable θ of pillar 6 is 0~12 °, and the pin shaft on normal condition lower bottom base 1 is located in arc groove 612
The heart, while 6 axial-rotation of upright support post, arc groove 612 also along center pin axial sides rotation and two sides rotation
Range is respectively 0~6 °, which is that designer obtains by a large amount of research and experiment, has both been able to satisfy 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 and the upper surface outer edge contour of rail 14 are kept in the present invention
Unanimously, the outer fringe surface of the contact wheel 12 is equipped with plastic lining layer and its thickness is generally 1.5~3mm, using to 12 outer rim of contact wheel
Surface lining plastic, which is conducive to increase coefficient of friction, prevents abrasive band from skidding, and can prevent occurring contact wheel 12 and rail 14 because of operation error
Collision and damage or contingency occurs, and when plastic lining layer of contact wheel 12 damages, repairs more convenient, the contact wheel
The thickness of 12 plastic lining layers processing cost if too thick is high, and anticollision effect is not achieved if plastic lining layer is too thin.
As shown in figure 8, the Infrared measuring devices 19 in the present invention include launch point A and the reception being set on same straight line
The launch point A of the polishing starting point B of rail 14 and Infrared measuring devices 19 is first in same horizontal line before steel rail grinding by point E,
Then the angle of departure β for adjusting Infrared measuring devices 19 ensures that the receiving point E of Infrared measuring devices can normally receive the feedback of rail 14
Signal, so that it is determined that the measurement point C and angle of departure β of rail 14；Being extended DC line can must polish the vertical line BF of starting point B, thus
Determine infrared emission angle γ when measurement point F when rail 14 is linear state and rail 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 be determined accordingly；
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 rail to influence normal measurement or measurement inaccuracy because AB distance is too short；And
Line shape between the receiving point E of the launch point A of Infrared measuring devices 19, the measurement point C of rail 14 and Infrared measuring devices
At isosceles triangle, it could ensure that receiving point E can the normal measurement of normal received signal realization.
In conjunction with attached drawing, work step of the invention are as follows:
1. by rail 14 using special fixture or the fixed workbench 15 being clamped in below belt sanding mechanism of magnetic fixture
On, the length direction of rail 14 need to be kept parallel with the rotation direction in abrasive band 13；
2. setting detection parameters, and it will test parameter and be delivered to control centre, while starting belt sanding mechanism and work
Platform 15, so that the workbench 15 can be moved back and forth in the length direction of rail 14 while the operating of abrasive band 13；The setting inspection
Survey parameter include set rail 14 polishing starting point B and Infrared measuring devices 19 launch point A be located in same horizontal line and
The distance value of AB, the position of foundation 19 receiving point E of Infrared measuring devices determine the position of measurement point C and infrared emission on rail 14
The movement velocity V of angle β value and AD distance value and workbench 15WValue；The starting belt sanding mechanism includes by compression gas
Cylinder 18, which controls contact wheel 12, makes abrasive band 13 be fitted in 14 upper surface of rail and polish rail 14；
3. being analyzed during the grinding process according to detection parameters the deflection angle of 14 length direction of rail by control centre
Calculate, including the AB distance value by setting, AD distance value and infrared emission angle β value obtain AC distance value, BC distance value, CD away from
Infrared emission angle γ value and rail 14 when from value, rail 14 being linear state are moved to measurement C point from polishing starting B point
Time t, specific derivation are as follows: CD=ACcos β；It further include long by AB distance value, AD distance value and CD distance value acquisition rail
Degree direction deflection angle beDrive upright support post 6 axial by control centre's control drive shaft again
Rotation alpha can make abrasive band 13 and rail 14 in length direction to drive the corresponding rotation alpha of contact wheel 12 of belt sanding mechanism
Deflection angle be consistent, to ensure the grinding accuracy of rail.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied；All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
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 CN106906707A (en) | 2017-06-30 |
| CN106906707B true CN106906707B (en) | 2019-03-01 |
Family
ID=59186584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710157745.2A Expired - Fee Related CN106906707B (en) | 2017-03-16 | 2017-03-16 | A kind of deflectable steel rail grinding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106906707B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871238B (en) * | 2018-05-26 | 2022-03-29 | 湖南大学 | Method and device for measuring straightness of zirconium tube for nuclear power |
| CN111118987A (en) * | 2019-12-30 | 2020-05-08 | 山东智沃轨道交通设备有限公司 | Multifunctional electric control abrasive belt steel rail refiner |
| CN117488606B (en) * | 2023-11-10 | 2024-06-21 | 中铁物总运维科技有限公司 | Fixed rail profile intelligent polishing equipment measurement control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104452500A (en) * | 2014-11-17 | 2015-03-25 | 南京宏典轨道装备有限公司 | Track profiling grinding method |
| CN104929002A (en) * | 2015-07-13 | 2015-09-23 | 刘剑 | Portable curve-controlled high-precision steel rail profile modeling grinding machine |
| CN204662186U (en) * | 2015-04-24 | 2015-09-23 | 西南交通大学 | A kind of high-speed railway switch grinding apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9073167B2 (en) * | 2011-10-07 | 2015-07-07 | Bombardier Transportation Gmbh | Precision rail profiling device for railway turnouts and crossings |
-
2017
- 2017-03-16 CN CN201710157745.2A patent/CN106906707B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106906707A (en) | 2017-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106906707B (en) | A kind of deflectable steel rail grinding method | |
| CN103591899B (en) | The wheel diameter of urban rail vehicle pick-up unit that sensor circular arc normal is installed and method | |
| CN112775625B (en) | On-site processing technology and processing device of a large flange | |
| CN106441153A (en) | Device and method for detecting contours of large-caliber aspheric surface components | |
| CN104153262A (en) | Portable device for accurately repairing wavy abrasion of steel rail of subway curve | |
| CN205262321U (en) | Wearing and tearing detection device of rail vehicle sphere cartridge | |
| CN201177589Y (en) | A torsion fretting friction and wear test bench | |
| CN109457561B (en) | rail profile grinding method and device for turnout area | |
| CN104864811B (en) | In-situ measurement method for complex curved surface of blade | |
| CN103433849B (en) | A kind of air bag polishing tool Surface testing and finishing set composite | |
| CN112816356A (en) | Grinding performance test device for quick grinding wheel | |
| CN106938442A (en) | A kind of numerical control grinding test machine | |
| US20240189914A1 (en) | System and method of re-profiling locomotive railcar wheels | |
| CN114923800B (en) | Steel rail passive quick polishing process simulation test bed | |
| CN107042452B (en) | A rail grinding machine | |
| CN108568736A (en) | Hardness testing pretreatment equipment | |
| CN211992494U (en) | A movable shot blasting unit | |
| KR20200067852A (en) | System for re-filing a wheel set of tracked vehicles | |
| US5555632A (en) | Apparatus for measuring the contours of a wheel | |
| JPH02500259A (en) | tangential grinding machine | |
| US5349861A (en) | Device for automatically measuring the residual stresses in the rim of one wheel of a railway wheelset | |
| CN110735369A (en) | dynamic orbit geometric state measuring method | |
| CN107009228B (en) | Bent axle follow-up grinding on-line measurement instrument | |
| CN114318975A (en) | A kind of automatic grinding method of turnout | |
| CN103350383B (en) | The burnishing device of axial cone mirror and finishing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20190301 |