CN211442304U - Detection vehicle for accurately measuring gap of track slab - Google Patents
Detection vehicle for accurately measuring gap of track slab Download PDFInfo
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- CN211442304U CN211442304U CN201922236175.3U CN201922236175U CN211442304U CN 211442304 U CN211442304 U CN 211442304U CN 201922236175 U CN201922236175 U CN 201922236175U CN 211442304 U CN211442304 U CN 211442304U
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Abstract
The utility model relates to an accurate survey track board from detection car of seam, including automobile body and from seam detecting element, from seam detecting element includes laser profile sensor, laser profile sensor install through the installing support in on the automobile body and its mounted position satisfy: when the vehicle body walks on the track, the laser emitting end of the laser profile sensor is horizontally aligned with the junction of the track plate and the supporting layer. The utility model adopts the laser profile sensor to collect the interlayer gap state, the laser beam can go deep into the gap, and the laser profile sensor has the characteristics of higher sensitivity, resolution ratio, accuracy and the like, and can realize visualization and visual and reliable result; and because the laser profile sensor detects the rail plate gap horizontally and rightly, the state of the rail plate gap can be accurately and comprehensively detected, and the maintenance scheme can be conveniently and reasonably formulated by the working personnel.
Description
Technical Field
The utility model belongs to the technical field of the railway track structure detects, concretely relates to detection car of accurate survey track board crack.
Background
One of the main defect types of the slab ballastless track is interlayer gap of a track structure. The generation of the gap can influence the smoothness and the dynamic response of the track on the one hand, and in addition, the contact state and the longitudinal temperature force transmission characteristic between the track plate and the supporting layer (mortar layer) are also inevitably changed, and the stability of the track structure is influenced.
Because interlayer separation seams generally exist in the lines, and the separation seams have different heights. Under the existing conditions, railway maintenance workers must carry out on-site measurement, and can formulate a maintenance scheme after preliminarily mastering the distribution condition of the gap between the track structural layers on the line, thereby realizing effective management.
Because the high-speed railway is operated in a totally-closed manner in daytime, the check of the interlayer separation seams of the track structure mainly depends on manual unfolding of a maintenance skylight at night, and a main tool for measuring the interlayer separation seams of the track structure is a feeler gauge. This way of checking has the following drawbacks: (1) visual conditions are poor at night, and the rail structure gap inspection is difficult to refine; (2) the manual detection is strong in subjectivity, and the detection efficiency is low due to the fact that the circuit detection is large in robustness; (3) in long-distance operation, the reliability of manually recording the line mileage corresponding to the gap and the track slab number is not high, and the omission and the mistake recording are inevitable. Therefore, automatic detection equipment for the rail plate gap needs to be developed.
At present, some automatic detection researches about the track slab separation seam are in a test stage, and the automatic detection equipment can not detect the internal state of the separation seam by detecting from the oblique upper side of the track slab separation seam, has the defects of inaccurate detection result and incomplete detection data, and leads a maintenance scheme made by a worker for the track slab separation seam to not conform to the reality.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a detect car of accurate survey track board crack can solve prior art's part defect at least.
The embodiment of the utility model provides an accurate survey track board crack detects car, including automobile body and crack detecting element, crack detecting element includes laser profile sensor, laser profile sensor install through the installing support in on the automobile body and its mounted position satisfy: when the vehicle body walks on the track, the laser emitting end of the laser profile sensor is horizontally aligned with the junction of the track plate and the supporting layer.
As one embodiment, the gap detection unit further includes a gap photographing camera, and a camera of the gap photographing camera and a laser emitting end of the laser profile sensor are located in the same horizontal plane.
As an embodiment, the gap detection unit further comprises a detection box, and the laser profile sensor and the gap photographing camera are both installed on the detection box and are both located on one side of the detection box facing the vehicle body.
In one embodiment, the detection vehicle for accurately measuring the gap of the track slab further comprises a speed detection unit for acquiring the moving speed of the vehicle body.
As one of the embodiments, the speed detection unit includes a rotary encoder connected to a wheel shaft of the vehicle body.
As one of the embodiments, the vehicle body comprises a vehicle frame, and a number acquisition unit for acquiring the number of the track slab to be detected is arranged at the bottom of the vehicle frame.
As one embodiment, the number acquisition unit includes a number photographing camera.
In one embodiment, the two sets of the open seam detection units are respectively mounted on two sides of the vehicle body along the wheel axle axial direction of the vehicle body.
The embodiment of the utility model provides a following beneficial effect has at least:
the utility model adopts the laser profile sensor to collect the interlayer gap state, the laser beam can go deep into the gap, and the laser profile sensor has the characteristics of higher sensitivity, resolution ratio, accuracy and the like, and can realize visualization and visual and reliable result; and because the laser profile sensor detects the rail plate gap horizontally and rightly, the state of the rail plate gap can be accurately and comprehensively detected, and the maintenance scheme can be conveniently and reasonably formulated by the working personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an inspection vehicle according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic view of a gap detection unit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the present invention provides an inspection vehicle for accurately measuring a gap of a track slab, including a vehicle body 100 and a gap detection unit 200, the gap detection unit 200 includes a laser profile sensor 202, the laser profile sensor 202 is installed on the vehicle body 100 through a mounting bracket 300 and its mounting position satisfies: when the vehicle body 100 travels on a track, the laser emitting end of the laser profile sensor 202 is horizontally aligned with the junction between the track slab and the supporting layer.
The vehicle body 100 can travel on a rail, and the separation detecting unit 200 is mounted on the vehicle body 100 so as to travel with the vehicle body 100 in the rail longitudinal direction.
The laser emission direction of the laser profile sensor 202 is parallel to the horizontal direction and is used for collecting profile data of the junction of the track slab and the supporting layer, the laser profile sensor 202 is used for collecting an interlayer gap state, a laser beam can penetrate into the gap, and the laser profile sensor has the advantages of being high in sensitivity, resolution, accuracy and the like, meanwhile, visualization can be achieved, and results are visual and reliable. And because the laser profile sensor 202 detects the rail plate gap horizontally and rightly, the state of the rail plate gap can be accurately and comprehensively detected, and the maintenance scheme can be conveniently and reasonably formulated by the staff.
Further, the seam-separating detection unit 200 further includes a central control unit, the laser profile sensor 202 is electrically connected or communicatively connected to the central control unit, and the central control unit is configured to acquire and analyze profile data acquired by the laser profile sensor 202, and determine whether a seam is formed. Of course, it is also possible to store the contour data by the central control unit and manually determine whether the seam is generated.
In a further preferred embodiment, the above-mentioned gap detection unit 200 further includes a gap camera 205, and the camera of the gap camera 205 and the laser emitting end of the laser profile sensor 202 are located in the same horizontal plane, that is, the camera axis of the gap camera 205 is also parallel to the horizontal direction, it can be understood that when the vehicle body 100 travels on the track, the camera of the gap camera 205 is also horizontally aligned with the boundary between the track slab and the supporting layer. The seam-separating photographing camera 205 is used for acquiring image information at the junction of the track slab and the supporting layer; similarly, the seam-separating photographing camera 205 is electrically connected or communicatively connected to the central control unit, and the central control unit is configured to acquire and analyze image information collected by the seam-separating photographing camera 205, and determine whether a seam occurs. Of course, it is also possible to store the image information by the central control unit and manually determine whether the seam is generated.
The laser profile sensor 202 and the seam-separating photographing camera 205 are arranged at the same time, so that the accuracy of the measuring result can be further improved, the profile data collected by the laser profile sensor 202 is combined with the image information collected by the seam-separating photographing camera 205, the seam-separating state of the track slab can be more visually presented, and a maintenance scheme is convenient to formulate.
Further preferably, as shown in the figure, the above-mentioned gap detection unit 200 further includes a detection box 201, the laser profile sensor 202 and the gap photo camera 205 are both installed on the detection box 201 and are both located on one side of the detection box 201 facing the vehicle body 100, when the vehicle body 100 travels on the track, the laser profile sensor 202 also faces the track side and is horizontally opposite to the junction between the track plate and the supporting layer; the scheme realizes the integrated arrangement of the laser profile sensor 202 and the crack-separating photographing camera 205, is convenient for device arrangement and line arrangement, and can miniaturize the crack-separating detection unit 200. The cartridge 201 is mounted on the mounting bracket 300. Of course, it is also one of the possible solutions that the laser profile sensor 202 and the relief photo camera 205 are separately mounted on the mounting bracket 300.
Following the structure of the detection vehicle, the detection vehicle further includes a speed detection unit 200 for acquiring the moving speed of the vehicle body 100, the speed detection unit 200 may be, for example, a rotary encoder connected to a wheel shaft of the vehicle body 100, and of course, a conventional speed measurement element such as a wheel shaft pulse speed sensor is also suitable for use in the present embodiment. In embodiments where the test vehicle includes a central control unit, the speed test unit 200 is also electrically connected to the central control unit. The speed detection unit 200 is used for detecting the moving speed of the vehicle body 100, the central control unit can be correspondingly converted into the traveling mileage of the vehicle body 100, and after the initial mileage is determined, the track slab separation measurement result can be accurately positioned.
The track slab numbers can be pre-stored in the central control unit database, and the track slab corresponding to the track slab gap measurement result can be calculated and judged according to the initial mileage information and the traveling mileage information of the vehicle body 100. However, the calculation may determine that there may be an inaccurate condition at the joint of two adjacent track slabs, and for this reason, a number acquisition unit (not shown) may be provided, and the number acquisition unit is configured to acquire the number of the track slab to be detected, and the central control unit is further configured to acquire the number of the track slab to be detected and store the off-seam detection information in correspondence with the track slab number. Preferably, the serial number acquisition unit comprises a serial number photographing camera, and the setting of the serial number photographing camera is preferably selected according to the engraving condition of the track slab serial number, and in one embodiment, the serial number photographing camera is preferably arranged at the bottom of the vehicle body 100 for the condition that the track slab serial number is engraved on the upper surface of the track slab (between two rails); in other embodiments, the number camera may be mounted at the bottom end of the cartridge 201 or on the mounting bracket 300. Then, still further, can set up this serial number camera demountable installation, for example through modes such as screw installation, buckle installation, magnetism installation of inhaling, be convenient for its mounted position's adjustment to be applicable to the crack state detection of different lines.
Particularly, in combination with the scheme that the speed detection unit 200 acquires the moving speed of the vehicle body 100, after the traveling mileage of the vehicle body 100 is known, the numbered photo camera does not need to continuously work, and only needs to start to work when the central control unit judges that the vehicle body 100 is close to the track slab number according to the rule of the track slab number.
Further preferably, the detection vehicle is further provided with a positioning unit for positioning the position of the vehicle body 100. The positioning unit can be a GPS positioning module and/or a beidou positioning module, and of course, other positioning modules are also applicable to the embodiment. Through this positioning unit, can further guarantee to the accurate positioning of track board gap measuring result, can send simultaneously and detect car positional information in real time, the railway administration equipment management and control of going on the road at night of being convenient for.
In an optional embodiment, the inspection vehicle further includes an illumination unit for increasing the brightness at the interface between the track slab and the support layer, and the illumination unit can be used to meet the requirement of night measurement, and ensure the accuracy of the measurement result and the safety of personnel equipment, especially when the slit camera 205 is configured. The lighting unit may employ conventional lighting fixtures, such as LED lamps and the like; in the case where the off-seam detecting unit 200 includes a cartridge 201, the illumination unit is provided on a side of the cartridge 201 facing the vehicle body 100.
Also, with the above-described structure provided with the numbered photographing cameras, the lighting apparatus may be provided for the numbered photographing cameras.
As shown in fig. 1 and 2, the two sets of gap detection units 200 are preferably provided and respectively mounted on both sides of the vehicle body 100 along the wheel axis direction of the vehicle body 100, and the two sets of gap detection units 200 are preferably configured to respectively detect the gap states on both sides of the track plate.
Further preferably, as shown in fig. 1, the inspection vehicle is further provided with a display 500, and information such as real-time measurement results and line mileage can be synchronously displayed through the display 500; the display 500 is further preferably a touch screen display 500 to facilitate human interaction. The central control unit is preferably a computer, which is preferably combined with the display 500 into a single machine, the measurement data and the result can be directly downloaded locally in the computer, and the computer can also send the measurement data to a cloud server for backup through a network. The display 500/computer may be mounted to the vehicle body 100 via a display bracket, suitable for use by a worker.
In an alternative embodiment, the vehicle body 100 is manually pushed to travel on the track, so as to control the traveling speed of the vehicle body 100 and more accurately measure the gap condition of the track slab, as shown in fig. 1, a manual push handle 400 is arranged on the vehicle body 100; the manual push handle 400 may include a handle frame 402 mounted on the vehicle body 100 and a handle 401 mounted on the handle frame 402, wherein the handle frame is vertical in the axial direction, and the handle axial direction is parallel to the wheel axle axial direction of the vehicle body 100. Of course, the structure is not limited to this, and the manual push lever 400 disposed obliquely is also applicable to the present embodiment.
Further, the computer may be installed on the manual push handle 400, and the manual push handle 400 also constitutes the display bracket, which not only simplifies the structure, but also facilitates the control of the movement of the vehicle body 100 by the operator according to the measurement data and results displayed in real time by the display 500. Obviously, it is also possible to control the travel of the vehicle body 100 on the track by an automated device such as a wheel driving motor, and the like, and the description thereof will not be provided herein.
Further preferably, the manual push handle 400 is vertically arranged, so that a worker can push the vehicle body 100 forward and backward to realize bidirectional gap measurement; alternatively, the wheel driving motor may be a reversible motor, which can drive the vehicle body 100 to move in two directions.
Further optimize the structure of above-mentioned detection car, should detect the car and be the structure of can disassembling, specifically can include at least one in following detachable structure:
(1) the mounting bracket 300 is detachably mounted to the vehicle body 100;
(2) the detection box 201 is detachably mounted on the mounting bracket 300;
(3) the manual push handle 400 is detachably mounted on the vehicle body 100;
(4) the vehicle body 100 comprises a vehicle frame 101 and a wheel 102 arranged on the vehicle frame 101, wherein the vehicle frame 101 comprises a plurality of frame bodies, and the frame bodies are sequentially detachably assembled along the axial direction of a wheel shaft; wherein, the wheel 102 is assembled with the frame 101 and is also preferably in a detachable connection structure.
The detachable mounting structure is preferably a bolt connection, although other detachable connection methods are also suitable for use in the present embodiment.
Based on above-mentioned structure, can be convenient for should detect the transportation of car, simultaneously, be convenient for the maintenance of different parts to be changed.
Further preferably, as shown in fig. 1, the mounting bracket 300 includes a horizontal bar 301 and a vertical bar 302, the horizontal bar 301 is connected to the vehicle body 100, the top end of the vertical bar 302 is connected to the horizontal bar 301, and the testing box 201 is disposed at the bottom end of the vertical bar 302. Wherein, the detecting box 201 is preferably detachably mounted on the vertical frame bar 302; the vertical frame bar 302 and the horizontal frame bar 301 are preferably detachably connected, for example, by an adapter to which both the vertical frame bar 302 and the horizontal frame bar 301 are connected in a pluggable manner. Further can set up stiffener 303, this stiffener 303 both ends are connected with horizontal hack lever 301 and vertical hack lever 302 respectively, can improve the stationarity of vertical hack lever 302, avoid detecting box 201 and rock and influence the testing result accuracy.
Further preferably, as shown in fig. 1 and fig. 2, the vehicle body 100 is configured with three wheels 102, and the three wheels 102 are arranged in a triangle, so that on the premise of ensuring the operation stability and smoothness of the vehicle body 100, the structure of the vehicle body 100 is simplified, the number of components and the occupied space of the vehicle body 100 are reduced, and the vehicle body 100 is convenient to transport. Accordingly, the frame 101 includes a main frame in a straight shape and two wing frames 103 connected to one end of the main frame, the two wing frames 103 are respectively installed at both sides of the main frame in the traveling direction of the vehicle body 100 for respectively installing one wheel 102, and the other wheel 102 is installed at the other end of the main frame. Two wing frames 103 can be further arranged to be detachably assembled with the main frame; the main frame comprises a plurality of frame body parts, and each frame body part is sequentially detachably assembled along the axial direction of the wheel axle.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an accurate survey track board crack detection car, includes automobile body and crack detection unit, its characterized in that, crack detection unit includes laser profile sensor, laser profile sensor installs through the installing support on the automobile body and its mounted position satisfies: when the vehicle body walks on the track, the laser emitting end of the laser profile sensor is horizontally aligned with the junction of the track plate and the supporting layer.
2. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 1, wherein: the gap detection unit further comprises a gap photographing camera, and a camera of the gap photographing camera and a laser emitting end of the laser profile sensor are located in the same horizontal plane.
3. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 2, wherein: the gap detection unit further comprises a detection box, the laser profile sensor and the gap photographing camera are arranged on the detection box and located at one side of the vehicle body, facing the detection box.
4. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 1, wherein: the vehicle body moving speed detection device further comprises a speed detection unit for acquiring the moving speed of the vehicle body.
5. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 4, wherein: the speed detection unit includes a rotary encoder connected to a wheel shaft of the vehicle body.
6. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 1, wherein: the automobile body includes the frame, the frame bottom is equipped with the serial number collection unit that is used for gathering and waits to examine the track board serial number.
7. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 6, wherein: the serial number acquisition unit comprises a serial number photographing camera.
8. The inspection vehicle for accurately measuring the gap between the track slabs according to claim 1, wherein: the two sets of seam-separating detection units are respectively arranged on two sides of the vehicle body along the axial direction of the wheel shaft of the vehicle body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922236175.3U CN211442304U (en) | 2019-12-13 | 2019-12-13 | Detection vehicle for accurately measuring gap of track slab |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922236175.3U CN211442304U (en) | 2019-12-13 | 2019-12-13 | Detection vehicle for accurately measuring gap of track slab |
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| CN211442304U true CN211442304U (en) | 2020-09-08 |
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| CN201922236175.3U Active CN211442304U (en) | 2019-12-13 | 2019-12-13 | Detection vehicle for accurately measuring gap of track slab |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249760A (en) * | 2023-08-30 | 2023-12-19 | 西南交通大学 | High-precision detection device and method for interlayer gaps of ballastless track of high-speed rail and gap positioning method |
| CN117299596A (en) * | 2023-08-14 | 2023-12-29 | 江苏秦郡机械科技有限公司 | Material screening system and method for automatic detection |
-
2019
- 2019-12-13 CN CN201922236175.3U patent/CN211442304U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299596A (en) * | 2023-08-14 | 2023-12-29 | 江苏秦郡机械科技有限公司 | Material screening system and method for automatic detection |
| CN117299596B (en) * | 2023-08-14 | 2024-05-24 | 江苏秦郡机械科技有限公司 | Material screening system and method for automatic detection |
| CN117249760A (en) * | 2023-08-30 | 2023-12-19 | 西南交通大学 | High-precision detection device and method for interlayer gaps of ballastless track of high-speed rail and gap positioning method |
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