CN106989673A - Detection means and method for detecting track board size - Google Patents
Detection means and method for detecting track board size Download PDFInfo
- Publication number
- CN106989673A CN106989673A CN201710253608.9A CN201710253608A CN106989673A CN 106989673 A CN106989673 A CN 106989673A CN 201710253608 A CN201710253608 A CN 201710253608A CN 106989673 A CN106989673 A CN 106989673A
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- laser light
- light source
- track plates
- line laser
- support body
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
This application discloses a kind of detection means for being used to detect track board size, the track plates have main body and the plummer being arranged on main body, including：The frame unit of the bridge shape of track plates can be accommodated, the track plates are arranged on X/Y plane；It is arranged at the line laser light source and image capturing unit that can be synchronized with the movement along the frame unit on the frame unit and on X/Y plane, the line laser light source can irradiate the diverse location of the plummer successively to form profiled outline on its surface, and described image shooting unit is able to record that each profiled outline；And the control unit of whole plummer 3D shape can be obtained according to each described profiled outline.In addition, present invention also provides a kind of detection method for detecting track board size.The apparatus and method that the application is provided can realize the rapidly, continuously detection to track plates key position size, and not need manual intervention, significantly improve detection speed and operation ease.
Description
Technical field
Patent of the present invention is related to track structure detection field, more particularly to a kind of track board size quick determination method and dress
Put.
Background technology
In recent years, with the great development of high-speed railway, ballastless track structure is widely used.High-speed railway requirement
High ride, whether the critical size of ballastless track structure middle orbit plate, which meets, requires to turn into the weight of influence high-speed railway ride comfort
Want factor.
At present, the detection method for track board size has the people using slide measure or universal protractor and matching tooling
Work detection method, the fixed point detection method based on total powerstation and use photogrammetric survey method etc..Wherein, using slide measure et al.
Work method accuracy of detection is sufficiently high, but detection efficiency is very low, and the human error of detection is difficult to control to；Using photogrammetric side
Method is, it is necessary to arrange a considerable amount of mark points, and test preparatory process is more, and efficiency is difficult to improve, and the stability of precision is difficult to protect
Card.
By taking the utilization total powerstation detection mode of current main flow as an example, skilled operator often detects that one piece of track plates is also needed
30 minutes or so are wanted, its detection speed there are severely restricts well below speed of production, therefore to production efficiency.
There is provided a kind of new efficient detection detection method and device turns into urgent problem to be solved.
The content of the invention
In view of problems of the prior art, the present invention provides a kind of detection means for being used to detect track board size,
The track plates have main body and the plummer being arranged on main body, including：
The frame unit of the bridge shape of track plates can be accommodated, the track plates are arranged on X/Y plane；
It is arranged at the line laser light that can be synchronized with the movement along the frame unit on the frame unit and on X/Y plane
Source and image capturing unit, the line laser light source can irradiate the diverse location of the plummer successively to be formed on its surface
Profiled outline, described image shooting unit is able to record that each profiled outline；And
The control unit of whole plummer 3D shape can be obtained according to each described profiled outline.
In certain embodiments of the present invention, the plummer has multiple, and described control unit obtains each institute
After the 3D shape for stating plummer, the line laser light source and image capturing unit is controlled to be moved to next plummer position.
In certain embodiments of the present invention, the frame unit includes：
The first support body and the second support body that compartment of terrain be arranged in parallel；
The triframe body of one end and first support body connection, the other end and second support body connection, the first
Body, the second support body and triframe body composition can accommodate the bridge shape of the track plates, the line laser light source and image taking list
Member is arranged on the triframe body；
What the two ends for driving the triframe body were synchronously moved along first support body and second support body
First driver element；
Synchronously moved for driving the line laser light source and described image shooting unit along the triframe body
Second driver element.
In certain embodiments of the present invention, the line laser light source remains perpendicular to the track plates setting；It is described
Image capturing unit is arranged at below the line laser light source, and makes an angle alpha between the track plates≤90 °.
In certain embodiments of the present invention, described image shooting unit uses area array cameras.
In addition, present invention also offers a kind of size detecting method of track plates, the track plates have main body and setting
Plummer on main body, including step：
The frame unit for the bridge shape that can accommodate track plates is built, the track plates is arranged on X/Y plane；
Line laser light source and image capturing unit is set to be synchronized with the movement along the frame unit on X/Y plane；
Irradiate the diverse location of the plummer successively to form profiled outline on its surface with the line laser light source；
Each profiled outline is recorded with described image shooting unit；
Control unit obtains whole plummer 3D shape according to each described profiled outline, and calculates required position
Size.
The size detecting device and method for the track plates that the present invention is provided can realize the fast of track plates key position size
Speed, continuous detection, do not need manual intervention compared to prior art in the process, significantly improve detection speed and operation just
Profit, so as to solve the problem during track plates are examined.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, it is briefly described as follows embodiment
Or the accompanying drawing used in description of the prior art.
Fig. 1 is the size detecting device structure of the track plates provided in an embodiment of the present invention；
Fig. 2 is track plate structure schematic diagram；
Fig. 3 is plummer structural representation；
Fig. 4 is the contour line of a certain section of plummer；
Fig. 5 is the three dimensional structure diagram of plummer；
The line laser light source of the size detecting device for the track plates that Fig. 6 provides for the present invention and the position of image capturing unit
Schematic diagram；
Fig. 7 shows the contour line of f-f sections in Fig. 3.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Illustrate herein, it is clear that shown in accompanying drawing
Only it is some embodiments of the present invention, it is therefore an objective to make skilled artisans appreciate that the inner characteristic of the present invention.This area
Those of ordinary skill can make modification or other equivalent modifications or alternative solution according to disclosed accompanying drawing and its explanation.
Therefore, the scope of the present invention is not limited by these accompanying drawings and explanation.
As shown in figure 1, the detection means for being used to detect track board size that an embodiment of the present invention is provided, including framework
Unit 1, line laser light source 2, image capturing unit 3 and control unit 4.
With reference to shown in Fig. 2, track plates 5 have main body 51 and the plummer 52 being arranged on main body 51.Frame unit 1 is in
Bridge shape, it can accommodate the track plates 5 being arranged on X/Y plane.Line laser light source 2 and image capturing unit 3 are arranged at the frame
On frame unit 1, and synchronously it can be moved along frame unit 1 on X/Y plane.Line laser light source 2 can irradiate plummer successively
52 diverse location on its surface to form profiled outline, for example, a-a, b-b, c-c, d-d, e-e position in figure 3 is formed
Profiled outline.Image capturing unit 3 then records the profile of each section in the process, is illustrated in figure 4 some end
The contour line in face.Control unit 4 then can obtain the whole 3D shape of plummer 52 according to each profiled outline, such as Fig. 5 institutes
Show.
Specifically, it is assumed that contour line a-a and b-b are adjacent in Fig. 3, the contour line a-a that image capturing unit 3 is obtained is one
Straight line, the contour line b-b obtained afterwards is broken line, and control unit 4 judges the original position as plummer 52 at a-a.Assuming that Fig. 2
Middle contour line d-d and e-e is adjacent, and the contour line d-d for the acquisition that image capturing unit 3 is obtained is broken line, the profile obtained afterwards
Line e-e is a straight line, and control unit 4 judges the rest position as plummer 52 at the e-e.Control unit 4 with contour line a-a extremely
All contour lines between contour line e-e constitute the whole 3D shape of plummer 52.
As shown in Fig. 2 there is the plummer 52 that two rows are distributed along its Y-direction in the main body 51 of track plates 5, and between plummer
Spaced, control unit 4 is often obtained after the 3D shape of a plummer 52, control line LASER Light Source 2 and image taking list
Member 3 is moved to the position of next plummer 52, finally obtains the 3D shape of all plummers 52.
In certain embodiments of the present invention, frame unit 1 includes the first support body 11, the second support body 12 and triframe body
13.First support body 11 and the compartment of terrain of the second support body 12 are be arranged in parallel, and one end of triframe body 13 and the first support body 11 are connected, another
End and the second support body 12 are connected, and three's composition can accommodate the bridge shape framework of track plates 5.Line laser light source 2 and image taking list
Member 3 is arranged on triframe body 13.First driver element is used for the two ends for driving triframe body 13 synchronously along the first support body
11 and second support body 12 move and (moved along Y-direction).Second driver element is used for drives line LASER Light Source 2 and image capturing unit
3 synchronously move along triframe body 13 (i.e. along X to move).First driver element can be taken by servo motor, driver and
Motion control card is constituted, this kind of transmission device is easy for installation, transmission accuracy is higher.
In certain embodiments of the present invention, the bottom foundation bolt and ground of the first support body 11 and the second support body 12
Connection.In addition, reference picture 1, frame unit 1 can also include the 4th frame for being connected to the first support body 11 and the end of the second support body 12
The support body 15 of body 14 and the 5th, for strengthening the rigidity of whole frame unit 1.The bottom of first support body 11 and the second support body 12 can
To set base, the two ends of the 4th support body 14 and the 5th support body 15 can be welded on the base of the first support body 11 and the second support body 12
On, its composition surface is again with screw attachment.
Control unit 4 and above-mentioned first driver element, the electrical connection of the second driver element are communicated to connect.It is electrically connected when using
When connecing, the cabling channel and support chain for accommodating cable are provided with the first support body 11, the second support body 12 and triframe body 13, with
Cable is avoided exposed to outside or is wound.
Travel switch and zero position switch are provided with first support body 11, the second support body 12 and triframe body 13, to limit
Shift position (Y-direction shift position) of the triframe body 13 along the first support body 11 and the second support body 12, and the He of line laser light source 2
Shift position (X to shift position) of the image capturing unit 3 on triframe body 13.
In certain embodiments of the present invention, as shown in fig. 6, line laser light source remains perpendicular to track plates 5 sets, scheme
As shooting unit 3 is arranged at the lower section of line laser light source 2, and make an angle alpha between track plates 5≤90 °.Described image shooting unit
3 use area array cameras.
In certain embodiments of the present invention, for detecting that the detection means of track board size also includes line-scan digital camera,
Itself and line laser light source 2 are set together, i.e., set perpendicular to track plates 5.Line-scan digital camera can be obtained to be shot by top and carried
Platform 51, and then the plane picture of acquisition plummer 51 are following process of solution as reference.
Include step present invention also offers a kind of size detecting method of track plates：
The frame unit 1 for the bridge shape that can accommodate track plates 5 is built, track plates 5 is arranged on X/Y plane；
Line laser light source 2 and image capturing unit 3 is set to be synchronized with the movement along frame unit 1 on X/Y plane；
The diverse location of plummer 52 is irradiated successively with line laser light source 2 to form profiled outline on its surface；
Each profiled outline is recorded with image capturing unit 3；
Control unit 4 obtains the whole 3D shape of plummer 52 according to each profiled outline, and calculates required position
Size.
Specifically, control unit 4 obtains the whole 3D shape of plummer 52, then with the contour line of f-f sections in Fig. 3
It is defined, shown in reference picture 7, the f-f contour lines are the contour line in most middle part of plummer 52 in the Y direction, calculate and hold
The rail level gradient (in the range of 150mm), the adjacent cannula center of same rail support groove two away from, single support rail vice jaw distance, track with
The outer jaw of vice jaw surface angle, track is away from track lateral attitude deviation, service sleeve at outer side sleeve centre-to-centre spacing, service sleeve
Locate outer jaw spacing between track vertical position deviation, track, fastener spacing, the central amount of warpage in unilateral support rail face, sleeve pipe convex
Play height.
It is possible to further which the loading end height value of four plummers 52 marked in Fig. 2 with "×" is averaged
Calculate, obtain the support rail face level of track plates corner.The loading end height value of unilateral 9 tracks 52 is subjected to average computation,
Obtain track linearity.Because loading end has the gradient, therefore loading end height value is with the interposition of the loading end described in Fig. 3
It is set to standard.
In certain embodiments of the present invention, frame unit 1 includes the first support body 11, the second support body 12 and triframe body
13.First support body 11 and the compartment of terrain of the second support body 12 are be arranged in parallel, and one end of triframe body 13 and the first support body 11 are connected, another
End and the second support body 12 are connected, and three's composition can accommodate the bridge shape of track plates 5.Line laser light source 2 and image capturing unit 3 are set
It is placed on triframe body 13.First driver element is used for the two ends for driving triframe body 13 synchronously along the first support body 11 and the
Two support bodys 12 are moved and (moved along Y-direction).Second driver element is used for drives line LASER Light Source 2 and image capturing unit 3 is synchronous
Move along triframe body 13 (i.e. along X to move) on ground.
During work, control unit 4 controls the first driver element first to make triframe body 13 along the first support body 11 and the second frame
Body 12 is moved and (moved along Y-direction), and now control unit 4 can know the Y value at this, you can to obtain holding in the position
Y-direction coordinate value of the microscope carrier 52 on track plates 5.Then control unit 4 controls the second driver element to make line laser light source 2 and image
Shooting unit 3 synchronously moves (i.e. along X to move) along triframe body 13, and then it is overall three-dimensional to obtain the plummer 52 at this
Shape.
In certain embodiments of the present invention, line laser light source remains perpendicular to track plates 5 and set, image capturing unit
3 are arranged at the lower section of line laser light source 2, and make an angle alpha between track plates 5≤90 °.Described image shooting unit 3 is using face battle array
Camera.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. the detection means for detecting track board size, the track plates have main body and the carrying being arranged on main body
Platform, it is characterised in that including：
The frame unit of the bridge shape of track plates can be accommodated, the track plates are arranged on X/Y plane；
Be arranged at the line laser light source that can be synchronized with the movement along the frame unit on the frame unit and on X/Y plane and
Image capturing unit, the line laser light source can irradiate the diverse location of the plummer successively to form section on its surface
Profile, described image shooting unit is able to record that each profiled outline；And
The control unit of whole plummer 3D shape can be obtained according to each described profiled outline.
2. the detection means according to claim 1 for being used to detect track board size, it is characterised in that the plummer tool
Have multiple, described control unit is obtained after the 3D shape of each plummer, control the line laser light source and image
Shooting unit is moved to next plummer position.
3. the detection means according to claim 1 or 2 for being used to detect track board size, it is characterised in that the framework
Unit includes：
The first support body and the second support body that compartment of terrain be arranged in parallel；
The triframe body of one end and first support body connection, the other end and second support body connection, first support body, the
Two support bodys and triframe body composition can accommodate the bridge shape of the track plates, and the line laser light source and image capturing unit are set
In on the triframe body；
Two ends for driving the triframe body synchronously moved along first support body and second support body first
Driver element；
For drive that the line laser light source and described image shooting unit synchronously move along the triframe body second
Driver element.
4. the detection means according to claim 3 for being used to detect track board size, it is characterised in that：
The line laser light source remains perpendicular to the track plates and set；
Described image shooting unit is arranged at below the line laser light source, and makes an angle alpha between the track plates≤90 °.
5. the detection means according to claim 4 for being used to detect track board size, it is characterised in that：Described image is shot
Unit uses area array cameras.
6. the size detecting method of track plates, the track plates have main body and the plummer being arranged on main body, including step
Suddenly：
The frame unit for the bridge shape that can accommodate track plates is built, the track plates is arranged on X/Y plane；
Line laser light source and image capturing unit is set to be synchronized with the movement along the frame unit on X/Y plane；
Irradiate the diverse location of the plummer successively to form profiled outline on its surface with the line laser light source；
Each profiled outline is recorded with described image shooting unit；
Control unit obtains whole plummer 3D shape according to each described profiled outline, and calculates the chi at required position
It is very little.
7. the size detecting method of track plates according to claim 6, the frame unit includes：
The first support body and the second support body that compartment of terrain be arranged in parallel；
The triframe body of one end and first support body connection, the other end and second support body connection, first support body, the
Two support bodys and triframe body composition can accommodate the bridge shape of the track plates, and the line laser light source and image capturing unit are set
In on the triframe body；
Two ends for driving the triframe body synchronously moved along first support body and second support body first
Driver element；
For drive that the line laser light source and described image shooting unit synchronously move along the triframe body second
Driver element.
8. the detection method according to claim 7 for being used to detect track board size：
The line laser light source remains perpendicular to the track plates and set；
Described image shooting unit is arranged at below the line laser light source, and makes an angle alpha between the track plates≤90 °.
9. the detection method according to claim 8 for being used to detect track board size：Described image shooting unit uses face
Array camera.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016102453221 | 2016-04-19 | ||
| CN201610245322 | 2016-04-19 |
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| Publication Number | Publication Date |
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| CN106989673A true CN106989673A (en) | 2017-07-28 |
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| CN201720407589.6U Active CN206656694U (en) | 2016-04-19 | 2017-04-18 | For detecting the detection means of track board size |
| CN201710253608.9A Pending CN106989673A (en) | 2016-04-19 | 2017-04-18 | Detection means and method for detecting track board size |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662997A (en) * | 2018-05-07 | 2018-10-16 | 西南交通大学 | III type fragment-free track slab key geometric dimension machining deviation rapid detection methods of general CRTS |
| CN110702070A (en) * | 2019-11-06 | 2020-01-17 | 西安交通大学 | 2D/3D line laser measuring device for measuring tunnel section |
| CN110954027A (en) * | 2019-11-22 | 2020-04-03 | 四川深瑞视科技有限公司 | Track slab measuring system and track slab measuring method |
| CN110954028A (en) * | 2019-11-22 | 2020-04-03 | 四川深瑞视科技有限公司 | Track slab measuring system and track slab measuring method |
| CN114577112A (en) * | 2022-01-19 | 2022-06-03 | 格力电器（芜湖）有限公司 | Chassis bolt position detection method and detection device |
| CN117047499A (en) * | 2023-10-11 | 2023-11-14 | 无锡星微科技有限公司杭州分公司 | Nano positioning precision controller and motion platform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206656694U (en) * | 2016-04-19 | 2017-11-21 | 中国铁道科学研究院铁道建筑研究所 | For detecting the detection means of track board size |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662997A (en) * | 2018-05-07 | 2018-10-16 | 西南交通大学 | III type fragment-free track slab key geometric dimension machining deviation rapid detection methods of general CRTS |
| CN108662997B (en) * | 2018-05-07 | 2020-08-07 | 西南交通大学 | Method for rapidly detecting key geometric dimension processing deviation of universal CRTS III type ballastless track slab |
| CN110702070A (en) * | 2019-11-06 | 2020-01-17 | 西安交通大学 | 2D/3D line laser measuring device for measuring tunnel section |
| CN110954027A (en) * | 2019-11-22 | 2020-04-03 | 四川深瑞视科技有限公司 | Track slab measuring system and track slab measuring method |
| CN110954028A (en) * | 2019-11-22 | 2020-04-03 | 四川深瑞视科技有限公司 | Track slab measuring system and track slab measuring method |
| CN114577112A (en) * | 2022-01-19 | 2022-06-03 | 格力电器（芜湖）有限公司 | Chassis bolt position detection method and detection device |
| CN114577112B (en) * | 2022-01-19 | 2024-05-24 | 格力电器（芜湖）有限公司 | Method and device for detecting position of chassis bolt |
| CN117047499A (en) * | 2023-10-11 | 2023-11-14 | 无锡星微科技有限公司杭州分公司 | Nano positioning precision controller and motion platform |
| CN117047499B (en) * | 2023-10-11 | 2024-01-19 | 无锡星微科技有限公司杭州分公司 | Nano positioning precision controller and motion platform |
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| CN206656694U (en) | 2017-11-21 |
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