CN211505253U - Cross-fault tunnel defect detection device based on laser technology - Google Patents
Cross-fault tunnel defect detection device based on laser technology Download PDFInfo
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- CN211505253U CN211505253U CN202020090379.0U CN202020090379U CN211505253U CN 211505253 U CN211505253 U CN 211505253U CN 202020090379 U CN202020090379 U CN 202020090379U CN 211505253 U CN211505253 U CN 211505253U
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Abstract
The utility model discloses a fault-crossing tunnel disease detection device based on laser technology, which comprises a detection vehicle, a bottom plate and a convex platform; a photoelectric encoder is arranged on a wheel of the detection vehicle; the male tables include a first male table and a second male table; the left side plate, the right side plate, the middle transverse plate and the middle transverse plate of the second convex table of the first convex table are all provided with a laser range finder; a tunnel curvature analysis camera and an industrial area array CCD camera are respectively arranged on the left side plate and the right side plate of the second convex platform; motor mounting seats are arranged on the top plates of the first convex platform and the second convex platform, and driving motors are arranged in the motor mounting seats; an output shaft of the driving motor is connected with one end of a connecting rod through a coupler, and the other end of the connecting rod is fixed at the bottom of the bearing disc; the bottom of the bearing disc is respectively connected with one ends of four telescopic rods, and the other ends of the four telescopic rods are fixed at the top of the motor mounting seat; the load-bearing puck top-loads the 3D laser scanner and illumination intensity sensors.
Description
Technical Field
The utility model belongs to the technical field of the tunnel disease detects, concretely relates to stride fault tunnel disease detection device based on laser technology.
Background
Common defects of tunnel structures mainly include lining cracks, section deformation, slab staggering, staggered joints, water leakage, honeycomb pitted surface, peeling and stripping and the like. At present, the daily monitoring work of the operation tunnel is mostly without manual operation. For example, the detection of the tunnel lining cracks is to adopt artificial visual identification, then measure with a ruler, take a picture with a camera to record the special morphology of the cracks, and manually record the position information of the cracks. For the detection of the lining cracks above the arch waist and at the arch crown, a scaffold or a high-altitude lifting platform truck is needed, so that detection personnel can only contact the inner wall of the tunnel at a short distance, and the defects of the arch waist and the arch crown can be checked by naked eyes by adopting flashlight illumination. The lining cracks detected by the method have low accuracy and are easy to miss detection, the personnel safety is poor, the detection efficiency is low in the detection project, and 10 people in a tunnel with 1 kilometer need to finish the detection in 1 hour.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned among the prior art not enough, provide a cross fault tunnel disease detection device based on laser technology to solve the problem that current tunnel disease detection efficiency is low.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a fault-crossing tunnel defect detection device based on a laser technology comprises a detection vehicle, a bottom plate arranged on the detection vehicle and a convex platform fixed on the bottom plate; a photoelectric encoder is arranged on a wheel of the detection vehicle;
the male tables include a first male table and a second male table; the first convex platform and the second convex platform are respectively fixed at two ends of the bottom plate in a sliding manner through slide rails; the left side plate, the right side plate, the middle transverse plate and the middle transverse plate of the second convex table of the first convex table are all provided with a laser range finder; a tunnel curvature analysis camera and an industrial area array CCD camera are respectively arranged on the left side plate and the right side plate of the second convex platform; motor mounting seats are arranged on the top plates of the first convex platform and the second convex platform, and driving motors are arranged in the motor mounting seats; an output shaft of the driving motor is connected with one end of a connecting rod through a coupler, and the other end of the connecting rod is fixed at the bottom of the bearing disc; the bottom of the bearing disc is respectively connected with one ends of four telescopic rods, and the other ends of the four telescopic rods are fixed at the top of the motor mounting seat; the top of the bearing disc is provided with a 3D laser scanner and an illumination intensity sensor;
a plurality of rotating lamps are uniformly distributed on the outer sides of the two sliding rails, and a control box is arranged between the two sliding rails; the control box is internally integrated with a controller, a power supply and a communication module which are respectively and electrically connected with the controller; the laser range finder, the tunnel curvature analysis camera, the industrial area array CCD camera, the driving motor, the 3D laser scanner, the illumination intensity sensor, the rotary lamp and the photoelectric encoder are all electrically connected with the controller; the communication module is respectively in signal connection with an external computer and the vehicle-mounted computer.
Preferably, the left side board and the right side board bottom of first protruding type platform and second protruding type platform all offer be used for with slide rail complex spout.
Preferably, the rotary lamp comprises a lamp holder and a positioning plate; two ends of the lamp cylinder are fixed on the positioning plate through the rotating arms; the rotating arm is provided with an adjusting bolt for adjusting the steering of the lamp barrel.
Preferably, the rotating lamp is shadowless lamp illumination.
Preferably, the communication module is connected with the vehicle-mounted computer of the detection vehicle through a data line and is wirelessly connected with an external computer through LORA wireless transmission.
Preferably, the radial distance between the target surface of the industrial area array CCD camera and the tunnel wall is 2.0m-2.2 m.
Preferably, the two slide rails are fixed on the bottom plate through bolts.
Preferably, the drive motor is a 25BYT-2 linear motor.
The utility model provides a cross fault tunnel disease detection device based on laser technology has following beneficial effect:
the utility model discloses an electronic instrument such as industry area array CCD camera, tunnel curvature analysis camera and 3D laser scanner gathers tunnel lining sectional view, acquires the sectional profile dimension image of tunnel lining, and wherein, the image positional information that the scanning obtained corresponds with the mileage in the photoelectric encoder mileage location, carries out the image concatenation with the image data information of gathering simultaneously, generates tunnel layout graph to image recognition analysis draws and strides fault tunnel disease information. The utility model discloses realize each detection device's loading based on detecting the car, when detecting the car operation, realize striding the disease detection in fault tunnel, replaced artifical the detection, detection efficiency and precision have all improved greatly.
Drawings
Fig. 1 is a bottom plate structure diagram of a cross-fault tunnel defect detection device based on a laser technology.
Fig. 2 is a diagram showing a convex table structure of a cross-sectional tunnel defect detection device based on a laser technique.
Fig. 3 is a structure diagram of a rotating lamp of a cross-fault tunnel defect detection device based on a laser technology.
Fig. 4 is a structural diagram of a detection vehicle of a cross-fault tunnel defect detection device based on a laser technology.
Wherein, 1, a bottom plate; 2. a first male bay; 3. a second raised platform; 4. a control box; 5. a slide rail; 6. rotating the lamp; 7. a laser range finder; 8. a tunnel curvature analysis camera; 9. industrial area array CCD cameras; 10. a 3D laser scanner; 11. an illumination intensity sensor; 12. a wheel; 13. a photoelectric encoder; 14. detecting a vehicle; 21. a right side plate; 22. a left side plate; 23. a top plate; 24. a motor mounting seat; 25. a drive motor; 26. a connecting rod; 27. a telescopic rod; 28. a load-bearing disc; 29. a middle transverse plate; 61. a lamp barrel; 62. positioning a plate; 63. adjusting the bolt; 64. rotating the arm.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to an embodiment of the application, referring to fig. 1-4, the laser technology-based cross-fault tunnel defect detection device of the present scheme includes a detection vehicle 14, a bottom plate 1 mounted on the detection vehicle 14, and a convex platform fixed on the bottom plate 1, wherein a photoelectric encoder 13 is mounted on a wheel 12 of the detection vehicle 14, and is used for recording a travel route of the detection vehicle 14, and corresponding image position information obtained by scanning to a mileage in mileage positioning of the photoelectric encoder 13.
The convex platforms comprise a first convex platform 2 and a second convex platform 3 which have the same structure, the first convex platform 2 and the second convex platform 3 respectively comprise a left side plate 22, a right side plate 21 and a top plate 23, and an intermediate transverse plate 29 is fixed at the lower end of the top plate 23.
The spout has all been seted up to the left side board 22 and the right side board 21 bottom of first protruding type platform 2 and the protruding type platform 3 of second, and the spout cooperates with slide rail 5, realizes the removal of first protruding type platform 2 and the protruding type platform 3 of second on bottom plate 1, and then adjusts the distance between first protruding type platform 2 and the protruding type platform 3 of second.
The motor mounting seat 24 is fixed on the top plate 23 of the first convex table 2 and the second convex table 3, a driving motor 25 is arranged in the motor mounting seat 24, and the driving motor 25 is a 25BYT-2 linear motor and can automatically convert the rotary motion into the linear motion.
The output shaft of the driving motor 25 is connected with one end of the connecting rod 26 through a coupler, that is, the driving motor 25 can realize the up-and-down movement of the connecting rod 26.
The other end of connecting rod 26 is fixed in bearing disc 28 bottom, bears disc 28 bottom and is connected with the one end of four telescopic links 27 respectively, and the other end of four telescopic links 27 is fixed in motor mount 24 top, bears disc 28 top and loads 3D laser scanner 10 and illumination intensity sensor 11.
The principle of the height adjustment of the 3D laser scanner 10 is:
the driving motor 25 operates to drive the connecting rod 26 to move upwards (or downwards), so as to push the bearing disc 28 to move upwards together, and the bearing disc 28 moves upwards to drive the four telescopic rods 27 to move upwards together, that is, the illumination intensity sensor 11 and the 3D laser scanner 10 in the bearing disc 28 move upwards. That is, the adjustment of the heights of the light intensity sensor 11 and the 3D laser scanner 10 is realized in order to adjust the 3D laser scanner 10 to an optimal scanning height, thereby improving the scanning accuracy.
Wherein, 3D laser scanner 10 is used for scanning tunnel lining sectional profile size, and each sets up a 3D laser scanner 10 on the carousel 28 that bears of first protruding type platform 2 and second protruding type platform 3, adopts two 3D laser scanners 10 to carry out the scanning in tunnel and the acquireing of data for error compensation and the correction of data increase the authenticity and the accuracy of data, improve the scanning precision.
The laser range finder 7 is arranged on the left side plate 22, the right side plate 21, the middle transverse plate 29 of the first convex table 2 and the middle transverse plate 29 of the second convex table 3, and the tunnel curvature analysis camera 8 and the industrial area-array CCD camera 9 are arranged on the left side plate 22 and the right side plate 21 of the second convex table 3 respectively.
The radial distance between the target surface of the industrial area array CCD camera 9 and the tunnel wall is 2.0m-2.2 m. The laser range finder 7 is used for measuring and recording the distance between the industrial area array CCD camera 9 and the surface of the tunnel, and the industrial area array CCD camera 9 is used for acquiring a tunnel lining section diagram and acquiring tunnel surface disease image data.
The utility model discloses all set up laser range finder 7 on a plurality of directions, can be used to measure a plurality of distances of tunnel wall, form images simultaneously when carrying out laser rangefinder, can obtain the tunnel inner wall image that contains the laser facula.
The disease detection principle is as follows:
the method comprises the steps that image position information obtained by scanning of a 3D laser scanner 10 corresponds to mileage in mileage positioning of a photoelectric encoder 13, and tunnel profile data acquired by profile scanning of the image position information are processed to generate a tunnel section diagram; and then, image splicing is carried out according to the acquired tunnel lining section diagram to generate a tunnel layout diagram, image recognition analysis is carried out, and tunnel disease information is extracted.
The outside evenly distributed that is located two slide rails 5 has a plurality of revolving light 6, and revolving light 6 includes a lamp section of thick bamboo 61 and locating plate 62, and on the locating plate 62 was fixed in through swinging boom 64 at the lamp section of thick bamboo 61 both ends, be equipped with the adjusting bolt 63 that adjusts the lamp section of thick bamboo 61 and turn to on the swinging boom 64, can be according to actual need with the lamp section of thick bamboo 61 rotatory to the optimum position, improve check out test set's shooting precision.
The rotating lamp 6 is a shadowless lamp for illumination, does not generate shadows, and does not affect the data acquisition of the tunnel curvature analysis camera 8, the industrial area array CCD camera 9 and the 3D laser scanner 10.
The rotary lamp 6 is controlled by the controller, and when the detection vehicle 14 enters the tunnel, the illumination intensity of the current position is collected in real time, and the collected illumination intensity information is transmitted to the controller. The controller receives the information, and judges whether the current illumination intensity is within a preset illumination intensity range value (a normal range value shot by the tunnel curvature analysis camera 8, the industrial area array CCD camera 9 and the 3D laser scanner 10), if not (under a general condition, the illumination intensity of the tunnel is lower) and is lower than the preset illumination intensity range value, the controller controls to open the rotary lamp 6, and rotates to open the number of the rotary lamps 6, so that the requirements of the tunnel curvature analysis camera 8, the industrial area array CCD camera 9 and the 3D laser scanner 10 on the illumination intensity are met.
The control box 4 is arranged between the two sliding rails 5, and a controller, a power supply and a communication module which are respectively and electrically connected with the controller are integrated in the control box 4; the laser range finder 7, the tunnel curvature analysis camera 8, the industrial area array CCD camera 9, the driving motor 25, the 3D laser scanner 10, the illumination intensity sensor 11, the rotary lamp 6 and the photoelectric encoder 13 are all electrically connected with the controller; the communication module is respectively in signal connection with an external computer and the vehicle-mounted computer.
The communication module can be an RJ45 interface and is used for being in wired connection with a control room on the detection vehicle 14 to realize data transmission and reception. The LORA wireless transmission module can also realize the connection with an external computer.
The controller is a single chip microcomputer, a PLC or other control structures, is mainly used for controlling data acquisition and information receiving and storing, and transmits the received data to the vehicle-mounted control room of the detection vehicle 14 and an external computer to realize tunnel disease detection.
The fault-crossing tunnel defect detection device based on the laser technology has the working principle that:
on being fixed in detection car 14 with each detection electronic components on bottom plate 1 and the bottom plate 1, the staff drives and detects 14 entering tunnels to when getting into the tunnel, through giving down the instruction to controller control broadcast and television encoder, laser range finder 7, tunnel camber analysis camera 8, industry area array CCD camera 9, driving motor 25, 3D laser scanner 10, illumination intensity sensor 11 and open the operation.
The illumination intensity collects the illumination intensity of the current position in real time, and transmits the collected illumination intensity information to the controller. The controller receives the information and judges whether the current illumination intensity is within a preset illumination intensity range value or not, if not, the controller controls to turn on the rotating lamps 6 and turns on the number of the rotating lamps 6 to meet the requirements of the tunnel curvature analysis camera 8, the industrial area array CCD camera 9 and the 3D laser scanner 10 on the illumination intensity.
Meanwhile, the driving motor 25 is controlled to adjust the 3D laser scanner 10 to an optimal (optimal illumination intensity, moderate distance from the tunnel wall) scanning height.
The 3D laser scanner 10 scans the profile size of the tunnel lining cross section, and two 3D laser scanners 10 are used for scanning the tunnel and acquiring data for error compensation and correction of the data. The laser range finder 7 measures and records the distance between the industrial area array CCD camera 9 and the surface of the tunnel, and the industrial area array CCD camera 9 acquires a tunnel lining section diagram and further acquires the image data of the diseases on the surface of the tunnel; and transmitting the collected tunnel information to a control room on the detection vehicle 14 and an external computer through a communication module.
Image position information obtained by scanning of the 3D laser scanner 10 corresponds to mileage in mileage positioning of the photoelectric encoder 13, and a tunnel profile data acquired by profile scanning of the 3D laser scanner 10 is processed to generate a tunnel section diagram; and then, image splicing is carried out according to the acquired tunnel lining section diagram to generate a tunnel layout diagram, image recognition analysis is carried out, and tunnel disease information is extracted.
The utility model discloses the utilization detects car 14 and realizes each detection device's loading, when detecting the operation of car 14, realizes striding fault tunnel's disease based on laser technology and detects, has replaced artifical the detection, and detection efficiency and precision have all improved greatly.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (8)
1. The utility model provides a cross fault tunnel disease detection device based on laser technology which characterized in that: comprises a detection vehicle, a bottom plate arranged on the detection vehicle and a convex platform fixed on the bottom plate; a photoelectric encoder is arranged on a wheel of the detection vehicle;
the male lands comprise a first male land and a second male land; the first convex platform and the second convex platform are respectively fixed at two ends of the bottom plate in a sliding manner through slide rails; the left side plate, the right side plate, the middle transverse plate and the middle transverse plate of the first convex table are all provided with a laser range finder; a tunnel curvature analysis camera and an industrial area array CCD camera are respectively arranged on the left side plate and the right side plate of the second convex platform; motor mounting seats are arranged on the top plates of the first convex platform and the second convex platform, and driving motors are arranged in the motor mounting seats; an output shaft of the driving motor is connected with one end of a connecting rod through a coupler, and the other end of the connecting rod is fixed at the bottom of the bearing disc; the bottom of the bearing disc is respectively connected with one ends of four telescopic rods, and the other ends of the four telescopic rods are fixed at the top of the motor mounting seat; the top of the bearing disc is provided with a 3D laser scanner and an illumination intensity sensor;
a plurality of rotary lamps are uniformly distributed on the outer sides of the two slide rails, and a control box is arranged between the two slide rails; the control box is internally integrated with a controller, a power supply and a communication module which are respectively and electrically connected with the controller; the laser range finder, the tunnel curvature analysis camera, the industrial area array CCD camera, the driving motor, the 3D laser scanner, the illumination intensity sensor, the rotary lamp and the photoelectric encoder are all electrically connected with the controller; and the communication module is respectively in signal connection with an external computer and the vehicle-mounted computer.
2. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 1, characterized in that: the left side board and the right side board bottom of first protruding type platform and the protruding type platform of second all offer be used for with slide rail complex spout.
3. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 1, characterized in that: the rotary lamp comprises a lamp barrel and a positioning plate; two ends of the lamp cylinder are fixed on the positioning plate through the rotating arms; and the rotating arm is provided with an adjusting bolt for adjusting the steering of the lamp barrel.
4. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 3, characterized in that: the rotating lamp is shadowless lamp illumination.
5. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 1, characterized in that: the communication module is connected with a vehicle-mounted computer of the detection vehicle through a data line and is in wireless connection with an external computer through LORA wireless transmission.
6. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 1, characterized in that: the radial distance between the target surface of the industrial area array CCD camera and the tunnel wall is 2.0-2.2 m.
7. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 1, characterized in that: and the two sliding rails are fixed on the bottom plate through bolts.
8. The cross-fault tunnel defect detection device based on the laser technology as claimed in claim 1, characterized in that: the driving motor is a 25BYT-2 linear motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020090379.0U CN211505253U (en) | 2020-01-16 | 2020-01-16 | Cross-fault tunnel defect detection device based on laser technology |
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| CN202020090379.0U CN211505253U (en) | 2020-01-16 | 2020-01-16 | Cross-fault tunnel defect detection device based on laser technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945096A (en) * | 2021-02-02 | 2021-06-11 | 中铁隧道局集团有限公司 | Tunnel disease monitoring system and method for high-speed train |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945096A (en) * | 2021-02-02 | 2021-06-11 | 中铁隧道局集团有限公司 | Tunnel disease monitoring system and method for high-speed train |
| CN112945096B (en) * | 2021-02-02 | 2022-06-10 | 中铁隧道局集团有限公司 | Tunnel disease monitoring system and method for high-speed train |
| WO2022166047A1 (en) * | 2021-02-02 | 2022-08-11 | 中铁隧道局集团有限公司 | Tunnel disease monitoring system and method for high-speed train |
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