CN107246851B - CRTSIII type track plate shape measuring device and control method thereof - Google Patents
CRTSIII type track plate shape measuring device and control method thereof Download PDFInfo
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- CN107246851B CN107246851B CN201710620217.6A CN201710620217A CN107246851B CN 107246851 B CN107246851 B CN 107246851B CN 201710620217 A CN201710620217 A CN 201710620217A CN 107246851 B CN107246851 B CN 107246851B
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- 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
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Abstract
The invention discloses a CRTSIII type track plate appearance measuring device and a control method thereof, which belong to the technical field of track plate detection and comprise a three-dimensional measuring system, a plate transporting trolley and a measuring rack, wherein the three-dimensional measuring system comprises a three-dimensional laser scanner, a measuring cradle head, a rotating device, a working bridge and a PC control console, the working bridge comprises a shear blade carrier, travelling wheels, a speed reducer unit, a locking device and the PC control console, the plate transporting trolley comprises a track battery car, a limit column and a jack, and the measuring rack comprises a working platform with a rectangular structure, a sensor, a signal controller and a support column. The invention solves the problems of low precision, slow measurement, manual intervention requirement, incapability of uploading detection data in real time and the like of the existing CRTSIII type track plate in the detection process, greatly improves the detection efficiency, is applicable to a novel pipeline operation method of the track plate, and lays a solid foundation for the CRTSIII type track plate independently researched and developed in China to the world.
Description
Technical Field
The invention relates to the technical field of track slab detection, in particular to a CRTSIII type track slab appearance measuring device and a control method thereof.
Background
At present, CRTS III type track slabs with independent intellectual property rights in China are widely applied to railway construction, the CRTS III type track slabs are prefabricated and formed, in order to match with railway construction, the batch prefabrication of the CRTS III type track slabs is strictly controlled in each link, 19 detection items exist in the appearance detection link of the CRTS III type track slabs, and besides general measurement elements such as length, width and thickness, measurement elements such as convexity, skew, gradient, included angle and warping amount are also included, and the detection and judgment precision of the center distance of embedded sleeves and a rail bearing table is required to be 0.5mm.
The CRTS III track slab has a length of 5600mm, a width of 2500mm, a thickness of 200mm, and a single slab weight of 8t, which is relatively large in volume and weight compared with a common building element. The existing track plate shape measurement process is generally as follows: the appearance detection of the track plate is completed by the total station matched with a special tool and a computer.
The main defects of the detection method at present are as follows: firstly, the manual hand-held measurement tool is needed, the tool is placed into each bolt hole, and the fit is tight. In actual production, 30 minutes are required to be consumed for detecting one track plate, and due to the fact that daily production capacity is huge, appearance detection of the track plate becomes a time-consuming and labor-consuming work, cost is high, and efficiency of manually holding a measuring tool into the bolt holes for measurement is low. Secondly, errors existing in the machining process of the measuring tool and errors of the measuring instrument are difficult to eliminate, and therefore the overall measuring precision is difficult to meet the precision requirement of 0.5mm. Thirdly, the data in the detection process cannot be uploaded in real time, and the novel assembly line operation method with the track plate is not applicable.
Disclosure of Invention
The invention aims to provide a CRTSIII type track plate shape measuring device and a control method thereof, so as to improve the efficiency of measuring the shape of the CRTSIII type track plate.
In order to achieve the above purpose, in a first aspect, the invention provides a CRTS iii type track slab appearance measurement device, the system comprises a track battery car for placing CRTS iii type track slabs, the track battery car comprises a slab transporting trolley and a track, the slab transporting trolley is provided with a limit column which is in limit fit with an inspection hole formed in the CRTS iii type track slab, a jack which is in support fit with the CRTS iii type track slab, and the system also comprises a measurement rack which is vertically fixed on two opposite outer sides of the track, a slidable three-dimensional measurement system is arranged on the measurement rack, a support column is arranged between the measurement rack and the two opposite outer sides of the track, and the height of the support column is smaller than the height from the top surface of the track to the jack;
the device comprises a measuring rack, a signal controller, a PC control console, a brake, a signal output end, a signal input end, a signal output end and a three-dimensional measuring system, wherein the sensor is arranged at the front end of the measuring rack, the sensor is connected with the signal input end of the signal controller, the signal controller is connected with the PC control console for two-way communication, the signal output end of the signal controller is connected with the brake arranged on the board transporting trolley, and the signal output end of the PC control console is connected with the driving end of the three-dimensional measuring system.
Further, the measuring bench comprises a frame-shaped workbench and a bracket for supporting the workbench, the brackets are uniformly arranged on two opposite outer sides of the track at intervals, and the three-dimensional measuring system is arranged on the workbench.
Further, the three-dimensional measurement system comprises a three-dimensional laser scanner, a PC control console and a working bridge, wherein the three-dimensional laser scanner is arranged on the measurement cloud deck, and the output end of the three-dimensional laser scanner is connected with the PC control console;
the working bridge is arranged in the transverse direction of the working table and forms a longitudinal sliding fit with the working table;
the measuring cradle head is arranged on the working bridge and forms a transverse sliding fit with the working bridge.
Further, a first travelling channel for a working bridge to travel is arranged in the longitudinal direction of the frame-shaped workbench, a first sliding contact line is arranged on the inner side of the first travelling channel, and the first sliding contact line transmits electric energy to the working bridge to supply power for the working bridge;
the driving end of the three-dimensional measurement system comprises a first driving end connected with the working bridge and a second driving end connected with the measurement cradle head, the first driving end comprises a walking front wheel, a speed reducer, a locking device and a walking rear wheel, and the signal output end of the PC control console is connected with the first driving end; the front walking wheels are distributed on the left side and the right side of the front bottom surface of the working bridge, the speed reducers are distributed on the two sides of the front walking wheels, and the locking device is arranged on the front side of the front walking wheels and is contacted with the first walking channel;
the working bridge is provided with a second walking channel for the measurement cradle head to walk along the transverse direction of the working table, the inner side of the second walking channel is provided with a second sliding contact line, and the second sliding contact line transmits electric energy to the measurement cradle head to supply power for the measurement cradle head;
the second driving end comprises a walking front wheel, a speed reducer, a locking device, a driven rear wheel and a rotating device which is bolted on the measurement cradle head, the rotating device is connected with the three-dimensional laser scanner, and the signal output end of the PC control console is also connected with the second driving end; the front walking wheel is distributed on the left side and the right side of the front bottom surface of the measuring cradle head, the speed reducers are distributed on the two sides of the front walking wheel, and the locking device is arranged on the front side of the front walking wheel and is contacted with the second walking channel.
Further, the CRTS III type track slab is divided into n measuring areas along the transverse direction, and each measuring area is provided with a mark point.
Further, the sensor includes an ultrasonic sensor or an infrared sensor.
Further, the system also comprises an alarm and a server which are respectively connected with the PC control console.
In a second aspect, the present invention provides a control method of the CRTS iii type track slab detection system, where the method includes:
s1, after a CRTS III type track plate is placed on a plate conveying trolley, controlling a jack to rise so as to support the CRTS III type track plate, and enabling the plate conveying trolley to travel to the lower part of a measuring rack along a track;
s2, detecting a position signal of the plate transporting trolley by a sensor, and sending the sensor signal to a signal controller in real time;
s3, the signal controller processes the received sensor signals, and when the board transporting trolley is judged to reach the designated position, the signal controller outputs control signals to a brake of the board transporting trolley so as to control the board transporting trolley to stop;
s4, controlling a jack on the plate conveying trolley to descend so that the CRTS III type track plate falls on the supporting column;
s5, the signal controller outputs a driving signal to the PC control console to control the three-dimensional measurement system to move, and the CRTS III type track plate is scanned to finish appearance detection of the CRTS III type track plate.
Further, the step S5 specifically includes:
s51, a PC control console controls a measurement cradle head to stop when sliding to a point A of a 1# area along the transverse direction of the workbench on a workbench, and a three-dimensional laser scanner measures the A-B section at the point A of the 1# area;
s52, after the measurement of the A-B section is completed, the PC control console controls the measurement cradle head to move to the point B of the 1# region, and the three-dimensional laser scanner measures the B-C section at the point B of the 1# region;
after S53, B-C section measurement is completed, the PC control console controls the measurement cradle head to move to a point D of a 1# region, and after the measurement cradle head is controlled by the steering device to steer, the three-dimensional laser scanner measures the D-C section at the point D of the 1# region so as to complete the shape measurement of the 1# region;
after finishing the measurement of the appearance of the No. 1 area, the signal controller sends a control signal to the PC control console so that the PC control console sends an instruction to control the working bridge and the measurement cradle head to move to the No. 2 area, and the steps S51-S53 are executed;
s54, judging whether the current measurement area is an n# area, if so, executing a step S55, and if not, executing a step S56;
s55, transmitting the scanning data to a PC control console by the three-dimensional laser scanner so that the PC control console processes the scanning data to obtain a CRTS III type track plate shape measurement result;
and S56, the signal controller sends a control signal to the PC control console so that the PC control console sends an instruction to control the working bridge and the measuring cradle head to move to the next area for scanning.
Further, the control method further includes:
s6, the PC control console judges whether the CRTS III type track plate appearance detection structure is qualified according to the processing result of the scanning data, if not, the step S7 is executed, and if so, the step S8 is executed;
s7, outputting a signal to an alarm by the PC control console so as to control the alarm to alarm, and sending a control signal to the signal controller by the PC control console so as to control unqualified products of the board conveying trolley to be conveyed to an unqualified area;
and S8, uploading a qualified processing result to a server, and sending a control signal to a signal controller by a PC (personal computer) control console so as to control the plate transporting trolley to transport the next CRTS III type track plate to the designated position for appearance detection.
Compared with the prior art, the invention has the following technical effects: according to the invention, when the CRTS III type track plate is transported to the appointed position of the detection area below the measuring bench through the track battery car, the track battery car stops, the CRTS III type track plate slowly falls on the support column arranged on the outer side of the track through the remote control jack, at the moment, the three-dimensional measuring system arranged on the measuring bench starts to move, the appearance of the CRTS III type track plate is scanned, and the scanning data are processed to judge whether the appearance of the CRTS III type track plate is qualified. The whole measurement process does not need manual operation intervention, and the whole process realizes automation, so that the appearance detection efficiency of the CRTS III type track plate is improved, the appearance of the CRTS III type track plate is measured by adopting a three-dimensional measurement system, the appearance measurement precision of the CRTS III type track plate is improved, and the method is applicable to a novel assembly line operation method of the track plate.
Drawings
The following detailed description of specific embodiments of the invention refers to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a CRTSIII type track pad profile measuring apparatus in accordance with the present invention;
FIG. 2 is a schematic view of a CRTS III track slab and measurement section according to the present invention;
FIG. 3 is a schematic view of the structure of the track battery car of the present invention;
FIG. 4 is a schematic diagram of the positional relationship between a CRTS III track slab and a track battery truck in the invention;
FIG. 5 is a schematic view of the positional relationship between a measurement bench and a CRTS III-type track slab in the present invention;
FIG. 6 is a schematic diagram of the three-dimensional measurement system of the present invention;
FIG. 7 is a schematic diagram of the structure of the three-dimensional measuring system and the positional relationship of the measuring bench in the present invention;
FIG. 8 is a schematic diagram of the moving structure of the three-dimensional measurement system of the present invention;
FIG. 9 is a schematic diagram of the moving structure of the work bridge of the present invention;
FIG. 10 is a flow chart of a method of controlling a CRTSIII type track pad profile measurement device in accordance with the present invention.
Detailed Description
For a further description of the features of the present invention, refer to the following detailed description of the invention and the accompanying drawings. The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present invention discloses a CRTSIII type track plate shape measuring apparatus, the system comprising: the track battery car 20 for placing the CRTS III type track board 10, the track battery car 20 comprises a board carrying trolley 21 and a track 22, a limit post 211 which is in limit fit with an inspection hole formed in the CRTS III type track board 10 and a jack 212 which is in support fit with the CRTS III type track board 10 are arranged on the board carrying trolley 21, and the track battery car further comprises a measuring rack 30 which is vertically fixed on two opposite outer sides of the track 22, wherein the two opposite outer sides of the track 22 are the two sides farthest away from each other, a slidable three-dimensional measuring system 40 is arranged on the measuring rack 30, a support post 50 is arranged between the measuring rack 30 and the two opposite outer sides of the track 22, and the height of the support post 50 is smaller than the height between the top surface of the track 22 and the jack 212;
the device also comprises a sensor 60 arranged at the front end of the measuring bench 30, wherein the sensor 60 is connected with a signal input end of a signal controller 70, the signal controller 70 is connected with a PC control console 80 for bidirectional communication, a signal output end of the signal controller 70 is connected with a brake arranged on the board carrying trolley 21, and a signal output end of the PC control console 80 is connected with a driving end of the three-dimensional measuring system 40.
Further, as shown in fig. 2 to 4, after the CRTS iii type track plate is demolded, the CRTS iii type track plate 10 is lifted to the plate transporting trolley 21 by a girder crane, and the position with the rail bearing table is upward, two circular limit posts 211 with a radius of 15cm and a height of 25cm are provided on the plate transporting trolley 21, when the CRTS iii type track plate 10 is placed on the plate transporting trolley 21, the two limit posts 211 are inserted into the two limit holes on the CRTS iii type track plate 10 to limit the positions of the inspection holes, so that the CRTS iii type track plate 10 can be positioned at the center of the plate transporting trolley 21, and when the CRTS iii type track plate 10 is aligned with the limit posts 221 on the plate transporting trolley 21, the CRTS iii type track plate 10 is lifted by remotely controlling the four cylindrical jacks 212 on the plate transporting trolley 21, and then the plate transporting trolley 21 automatically travels to a detection area under the measuring bench 30, which is positioned at the center position under the measuring bench 30.
As shown in fig. 5, when the pallet truck 21 travels to the detection area, the sensor 60 provided below the measuring rack 30 detects the position information of the pallet truck 21, and when the signal controller 70 determines that the pallet truck 21 travels to the specified position based on the position information detected by the sensor 60, it outputs a control signal to a brake on the pallet truck 21 to control the pallet truck 21 to stop traveling. After the board carriage 21 stops, the four jacks 212 are remotely operated to descend so that the CRTS iii-type track board 10 falls on the four support columns 50 below the measuring bench 30, the four support columns 50 being located on both sides of the track 22 furthest apart. Thereafter, the pallet truck 21 is driven off and automatically returned to the original start position to wait for the next CRTS iii type track pallet 10 to be transported.
In this embodiment, the track gauge of the track-type battery truck 20 is 1.5m, the length of the truck is 6m, the width of the truck is 3m, the height from the top surface of the track 22 to the top surface of the pallet truck 21 is 40cm, the jacking height of the jack 212 is 40cm, the height of the limit post 211 is 25cm, the support post 50 is 75cm, and the height of the measuring bench 30 is 140cm.
Further, as shown in fig. 7, the measuring stage 30 includes a frame-like table 31 and a bracket 32 supporting the table 31, the brackets 32 being arranged at equal intervals on both opposite outer sides of the rail 22, and the three-dimensional measuring system 40 being mounted on the table 31.
Further, as shown in fig. 6, the three-dimensional measurement system 40 includes a three-dimensional laser scanner 41, a PC console 80 and a working bridge 44, the three-dimensional laser scanner 41 is arranged on the measurement cradle head 42, and an output end of the three-dimensional laser scanner 41 is connected with the PC console 80 through a cable, and a working power supply of the three-dimensional measurement system 41 is a 220V50Hz stable power supply;
the work bridge 44 is arranged in the transverse direction of the work table 31 and forms a longitudinal sliding fit with the work table 31;
the measuring head 42 is arranged on the working bridge 44 and forms a transverse sliding fit with the working bridge 44.
Here, the bridge 44 itself can move longitudinally along the table 31, and the bridge 44 itself can provide a chute for movement of the three-dimensional laser scanner 41. The three-dimensional laser scanner 41 includes 2 CCD cameras and 1 grating camera.
Further, a first traveling channel 31-1 for the working bridge 44 to travel is arranged in the longitudinal direction of the frame-shaped working table 31, a first sliding contact line 31-2 is arranged on the inner side of the first traveling channel 31-1, and the first sliding contact line 31-2 transmits electric energy to the working bridge 44 to supply power for the working bridge 44;
as shown in fig. 8 to 9, the driving end of the three-dimensional measurement system 40 includes a first driving end connected with the working bridge 44 and a second driving end connected with the measurement cradle head 42, the first driving end includes a walking front wheel a-1, a decelerator b-1, a locking device c-1 and a walking rear wheel d-1, and a signal output end of the pc console 80 is connected with the first driving end; the front walking wheel a-1 is distributed on the left and right sides of the front bottom surface of the working bridge 44, the decelerator b-1 is distributed on the two sides of the front walking wheel a-1, and the locking device c-1 is arranged on the front side of the front walking wheel a-1 and is contacted with the first walking channel 31-1;
the working bridge 44 is provided with a second walking channel 44-1 along the transverse direction of the working table 31 for the measurement cradle head 42 to walk, the inner side of the second walking channel 44-1 is provided with a second sliding contact line 44-2, and the second sliding contact line 44-2 transmits electric energy to the measurement cradle head 42 to supply power for the measurement cradle head 42;
the second driving end comprises a walking front wheel a-2, a speed reducer b-2, a locking device c-2, a driven rear wheel d-2 and a rotating device e-2 which is bolted on the measuring holder 42, wherein the rotating device e-2 is connected with the three-dimensional laser scanner 41 so that the three-dimensional laser scanner 41 can rotate by 360 degrees, and the signal output end of the PC control console 80 is also connected with the second driving end; the front walking wheel a-2 is distributed on the left and right sides of the front bottom surface of the measuring cradle head 42, the decelerator b-2 is distributed on the two sides of the front walking wheel a-2, and the locking device c-2 is arranged on the front side of the front walking wheel a-2 and is contacted with the second walking channel 44-1.
Further, the CRTS iii type track plate 10 is equally divided into n measuring areas in the lateral direction, each measuring area being provided with a marker point, where n is a constant. In view of the relatively large volume of the CRTS iii-type track slabs 10, calibration blocks are added to the three-dimensional measurement system 30 to cooperate with the identification points provided for each measurement area to improve the accuracy of the measurement of large objects.
Preferably, in this embodiment, two top-mark points are set in each measurement area, and the two top-mark points in each area are not on the same plane, so as to ensure the accuracy of calibration measurement.
Further, the sensor 60 includes an ultrasonic sensor or an infrared sensor, and the signal controller 70 processes the acoustic signal or the infrared signal acquired by the sensor 60 to determine the current position of the pallet truck 21.
Further, the apparatus includes an alarm and a server respectively connected to the PC console 80. The function of the alarm is to give an alarm when the PC control board 80 judges that the appearance measurement of the current CRTS III track slab 10 is not qualified. The server is used for storing the qualified data uploaded by the PC control console 80 when the shape measurement of the CRTS III track slab 10 is qualified.
As shown in fig. 10, this embodiment discloses a control method for the CRTS iii type track slab detection system, which includes the following steps:
s1, after the CRTS III type track plate 10 is placed on the plate conveying trolley 21, a control jack 212 is lifted to support the CRTS III type track plate 10, and the plate conveying trolley 21 runs along a track 22 to the lower part of the measuring rack 30;
s2, the sensor 60 detects a position signal of the board transporting trolley 21 and sends the sensor signal to the signal controller 70 in real time;
s3, the signal controller 70 processes the received sensor signals, and when judging that the plate conveying trolley 21 reaches a specified position, the signal controller 70 outputs control signals to a brake of the plate conveying trolley 21 to control the plate conveying trolley 21 to stop;
s4, controlling the jack 212 on the plate conveying trolley 21 to descend so that the CRTS III type track plate 10 falls on the supporting column 50;
s5, the signal controller 70 outputs a driving signal to the PC control console 80 to control the three-dimensional measurement system 40 to move, and scans the CRTS III track slab 10 to finish the appearance detection of the CRTS III track slab 10.
Further, the step S5 specifically includes:
s51, the PC control console 80 controls the measurement cradle head 42 to stop when sliding to a point A of a 1# area along the transverse direction of the workbench 31 on the working bridge 44, and the three-dimensional laser scanner 41 measures the A-B section at the point A of the 1# area;
after the measurement of the section A-B is completed, the PC control console 80 controls the measurement cradle head 42 to move to the point B of the 1# region, and the three-dimensional laser scanner 41 measures the section B-C in the point B of the 1# region;
after the measurement of the section S53 and the section B-C is completed, the PC control console 80 controls the measurement holder 42 to move to the point D of the section 1, and controls the measurement holder 42 to perform steering through the steering device e-2, and the three-dimensional laser scanner 41 measures the section D-C at the point D of the section 1 to complete the measurement of the appearance of the section 1;
after finishing the measurement of the shape of the area # 1, the signal controller 70 sends a control signal to the PC console 80 to enable the PC console 80 to send an instruction to control the working bridge 44 and the measurement cradle 43 to move to the area # 2, and steps S51-S53 are executed;
s54, judging whether the current measurement area is an n# area, if so, executing a step S55, and if not, executing a step S56;
s55, the three-dimensional laser scanner 41 transmits the scanning data to the PC control console 80, so that the PC control console 80 processes the scanning data to obtain the shape measurement result of the CRTS III type track plate 10;
s56, the signal controller 70 sends a control signal to the PC console 80 to enable the PC console 80 to send an instruction to control the working bridge 44 and the measurement cradle 43 to move to the next area for scanning.
Further, the control method further includes:
s6, the PC control console 80 judges whether the appearance detection structure of the CRTS III type track plate 10 is qualified according to the processing result of the scanning data, if not, the step S7 is executed, and if so, the step S8 is executed;
s7, the PC control console 80 outputs a signal to the alarm to control the alarm to alarm, and the PC control console 80 sends a control signal to the signal controller 70 to control the unqualified products of the plate conveying trolley 21 to be conveyed to an unqualified area;
and S8, uploading the qualified processing result to a server, and sending a control signal to the signal controller 70 by the PC control console 80 to control the pallet truck 21 to transport the next CRTS III type track slab 10 to the designated position for appearance detection.
For example, the whole measurement process is divided into zones 1# to 6# by dividing the track plate into 6 equal parts along the transverse direction. During measurement, the measurement is firstly carried out from the 1# region along the path A-B, B-C, and then the steering device e-2 is controlled by the PC control console 80 to steer the 3D scanner to the measurement D-C. After the D-C measurement is completed, the D-C measurement is sent to the PC console 80 through the signal controller 70, and the PC console 80 instructs the work bridge 44 and the measurement head 42 to move to the 2# region, and starts the measurement operation of the a-B segment of the 2# region. The remaining areas are also carried out in this way, each measuring area completing the measurement within 1 min. When the D-C section of the 6# area is measured, the working bridge 44 and the measuring cradle head 42 return to the original positions, meanwhile, the PC control console 80 performs data processing to detect whether the track board is qualified or not, an alarm is given when the track board is unqualified, the transverse board conveying trolley conveys unqualified products to the unqualified area, after the transverse board conveying trolley leaves, the annunciator sends a signal, and the longitudinal trolley conveys the next track board to the detection area for detection; and when the data is qualified, automatically uploading the measured data to a server for data management, and conveying the next track plate to a detection area by the longitudinal trolley for detection.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a CRTSIII type track board appearance measuring device, including track storage battery car (20) that are used for placing CRTSIII type track board (10), track storage battery car (20) are including fortune board dolly (21) and track (22), are equipped with on fortune board dolly (21) and constitute spacing complex spacing post (211), constitute with the inspection hole of seting up on CRTS III type track board (10) and support complex jack (212), its characterized in that with CRTS III type track board (10): the device further comprises measuring racks (30) vertically fixed on two opposite outer sides of the track (22), a slidable three-dimensional measuring system (40) is arranged on the measuring racks (30), supporting columns (50) are arranged between the measuring racks (30) and the opposite outer sides of the track (22), and the heights of the supporting columns (50) are smaller than the heights from the top surface of the track (22) to jacking of the jack (212);
the device also comprises a sensor (60) arranged at the front end of the measuring rack (30), wherein the sensor (60) is connected with the signal input end of a signal controller (70), the signal controller (70) is connected with a PC control console (80) for two-way communication, the signal output end of the signal controller is connected with a brake arranged on the board transporting trolley (21), and the signal output end of the PC control console (80) is connected with the driving end of the three-dimensional measuring system (40).
2. The apparatus of claim 1, wherein: the measuring bench (30) comprises a frame-shaped workbench (31) and a bracket (32) for supporting the workbench (31), the brackets (32) are uniformly arranged on two opposite outer sides of the track (22) at intervals, and the three-dimensional measuring system (40) is arranged on the workbench (31).
3. The apparatus as claimed in claim 2, wherein: the three-dimensional measurement system (40) comprises a three-dimensional laser scanner (41), a PC control console (80) and a working bridge (44), wherein the three-dimensional laser scanner (41) is arranged on a measurement cloud deck (42), and the output end of the three-dimensional laser scanner (41) is connected with the PC control console (80);
the working bridge (44) is arranged in the transverse direction of the working table (31) and forms a longitudinal sliding fit with the working table (31);
the measuring cradle head (42) is arranged on the working bridge (44) and forms a transverse sliding fit with the working bridge (44).
4. A device as claimed in claim 3, wherein: a first traveling channel (31-1) for a working bridge (44) to travel is arranged in the longitudinal direction of the frame-shaped workbench (31), a first sliding contact line (31-2) is arranged on the inner side of the first traveling channel (31-1), and the first sliding contact line (31-2) transmits electric energy to the working bridge (44) to supply power for the working bridge (44);
the driving end of the three-dimensional measuring system (40) comprises a first driving end connected with a working bridge (44) and a second driving end connected with a measuring cradle head (42), wherein the first driving end comprises a walking front wheel (a-1), a speed reducer (b-1), a locking device (c-1) and a walking rear wheel (d-1), and the signal output end of a PC control console (80) is connected with the first driving end; the front walking wheel (a-1) is distributed on the left side and the right side of the front bottom surface of the working bridge (44), the speed reducers (b-1) are distributed on the two sides of the front walking wheel (a-1), and the locking device (c-1) is arranged on the front side of the front walking wheel (a-1) and is contacted with the first walking channel (31-1);
the working bridge (44) is provided with a second walking channel (44-1) for the measurement cradle head (42) to walk along the transverse direction of the working table (31), the inner side of the second walking channel (44-1) is provided with a second sliding contact line (44-2), and the second sliding contact line (44-2) transmits electric energy to the measurement cradle head (42) to supply power for the measurement cradle head (42);
the second driving end comprises a walking front wheel (a-2), a speed reducer (b-2), a locking device (c-2), a driven rear wheel (d-2) and a rotating device (e-2) which is bolted on a measuring cradle head (42), wherein the rotating device (e-2) is connected with a three-dimensional laser scanner (41), and the signal output end of a PC control console (80) is also connected with the second driving end; the front walking wheel (a-2) is distributed on the left side and the right side of the front bottom surface of the measuring cradle head (42), the speed reducers (b-2) are distributed on the two sides of the front walking wheel (a-2), and the locking device (c-2) is arranged on the front side of the front walking wheel (a-2) and is in contact with the second walking channel (44-1).
5. A device as claimed in claim 3, wherein: the CRTS III type track plate (10) is divided into n measuring areas along the transverse direction, and each measuring area is provided with a mark point.
6. A device according to claim 3, characterized in that the sensor (60) comprises an ultrasonic sensor or an infrared sensor.
7. A device as claimed in claim 3, wherein: and the system also comprises an alarm and a server which are respectively connected with the PC control console (80).
8. A control method of the system according to any one of claims 1 to 7, comprising:
s1, after a CRTS III type track plate (10) is placed on a plate conveying trolley (21), a control jack (212) is lifted to support the CRTS III type track plate (10), and the plate conveying trolley (21) runs to the lower part of a measuring rack (30) along a track (22);
s2, detecting a position signal of the plate conveying trolley (21) by a sensor (60), and sending the sensor signal to a signal controller (70) in real time;
s3, the signal controller (70) processes the received sensor signals, and when judging that the plate conveying trolley (21) reaches a specified position, the signal controller (70) outputs control signals to a brake of the plate conveying trolley (21) to control the plate conveying trolley (21) to stop;
s4, controlling a jack (212) on the plate conveying trolley (21) to descend so that the CRTS III type track plate (10) falls on the supporting column (50);
s5, the signal controller (70) outputs a driving signal to the PC control console (80) to control the three-dimensional measurement system (40) to move, and the CRTS III type track plate (10) is scanned to finish appearance detection of the CRTS III type track plate (10).
9. The control method according to claim 8, wherein the step S5 specifically includes:
s51, a PC control console (80) controls a measurement cradle head (42) to stop when the measurement cradle head (42) slides to a point A of a 1# area along the transverse direction of a workbench (31) on a working bridge (44), and a three-dimensional laser scanner (41) measures the A-B section at the point A of the 1# area;
after S52, the section A-B is measured, a PC control console (80) controls a measuring cradle head (42) to move to a point B of a 1# area, and a three-dimensional laser scanner (41) measures the section B-C in the point B of the 1# area;
after S53 and B-C section measurement is completed, the PC control console (80) controls the measurement holder (42) to move to a point D of a 1# region, and after steering is performed by controlling the measurement holder (42) through a steering device (e-2), the three-dimensional laser scanner (41) measures the D-C section at the point D of the 1# region so as to complete the shape measurement of the 1# region;
after the measurement of the appearance of the area # 1 is completed, the signal controller (70) sends a control signal to the PC control console (80) so that the PC control console (80) sends an instruction to control the working bridge (44) and the measurement cloud deck (43) to move to the area # 2, and the steps S51-S53 are executed;
s54, judging whether the current measurement area is an n# area, if so, executing a step S55, and if not, executing a step S56;
s55, transmitting scanning data to a PC (personal computer) control console (80) by a three-dimensional laser scanner (41) so that the PC control console (80) processes the scanning data to obtain a CRTS III type track plate (10) appearance measurement result;
s56, the signal controller (70) sends a control signal to the PC control console (80) so that the PC control console (80) sends an instruction to control the working bridge (44) and the measuring cloud deck (43) to move to the next area for scanning.
10. The control method as set forth in claim 9, further comprising:
s6, the PC control console (80) judges whether the appearance detection structure of the CRTS III type track plate (10) is qualified according to the processing result of the scanning data, if not, the step S7 is executed, and if so, the step S8 is executed;
s7, outputting a signal to an alarm by a PC control console (80) to control the alarm to alarm, and sending a control signal to a signal controller (70) by the PC control console (80) to control unqualified products of the plate conveying trolley (21) to be conveyed to an unqualified area;
s8, uploading qualified processing results to a server, and sending control signals to a signal controller (70) by a PC control console (80) to control a plate conveying trolley (21) to convey the next CRTS III type track plate (10) to the designated position for appearance detection.
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| CN109579697A (en) * | 2018-10-22 | 2019-04-05 | 西安理工大学 | A kind of fragment-free track slab quick calculation method based on least square fitting |
| CN112444198A (en) * | 2019-08-28 | 2021-03-05 | 中南大学 | Automatic detection and alarm system integrated equipment for geometric dimension of rail |
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