CN116839658A - Bridge condition online tracking and monitoring system and method - Google Patents
Bridge condition online tracking and monitoring system and method Download PDFInfo
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- CN116839658A CN116839658A CN202310729343.0A CN202310729343A CN116839658A CN 116839658 A CN116839658 A CN 116839658A CN 202310729343 A CN202310729343 A CN 202310729343A CN 116839658 A CN116839658 A CN 116839658A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 187
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000017105 transposition Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 41
- 239000000428 dust Substances 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 210000000245 forearm Anatomy 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 238000010191 image analysis Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000013145 classification model Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge monitoring, in particular to a bridge condition online tracking and monitoring system and method. Including the monitoring load platform that can follow bridge deck and remove, the surface mounting of monitoring load platform has the tail arm of angularly adjustable, and the inside liftable of tail arm is installed and is visited the arm, and it is connected with through transposition motor driven control shell to visit arm inner wall rotation, and the inner wall rotation of control shell is connected with through drive motor driven transmission shaft, and cleaning element, detecting element and image acquisition mechanism are installed respectively to the week side of control shell, and the side-mounting of surveying the arm has data acquisition terminal. The beneficial effects of the invention are as follows: in the invention, when the remote control car body carries out monitoring operation, the bridge management platform carries out the setting of the running track and running state of the remote control car body, and the space monitoring tracking position and the space monitoring tracking angle of the monitoring shell are universally adjustable through the arrangement of the big arm, the small arm, the tail arm and the adjusting arm push rod.
Description
Technical Field
The invention relates to the technical field of bridge monitoring, in particular to a bridge condition online tracking and monitoring system and method.
Background
Along with the rapid development of transportation industry, the effect of a bridge is increasingly important, but due to heavy tasks and overlarge load, the health condition of the bridge is increasingly lowered, in order to improve the safety of transportation, online tracking and monitoring are needed to be carried out on the safety condition of the bridge, in the prior art, patent document with publication number of CN114429032A discloses an online intelligent monitoring system for bridge health, which comprises a data acquisition module and a plurality of sensors, wherein the sensors at least comprise acceleration sensors, each sensor is arranged on the bridge to be analyzed according to a preset layout, the system is provided with a data analysis module for loading a bridge damage identification classification model obtained based on machine learning, carrying out abnormal detection on the data acquired by the acceleration sensors, and being capable of automatically monitoring the health condition of the bridge in real time, setting a damage visualization module, carrying out damage analysis on the bridge to be analyzed based on near field dynamics and carrying out visual display on the health condition to be analyzed under the condition of detecting the bridge abnormality to be analyzed, but the following technical problems exist in the tracking and monitoring system during monitoring operation:
1. during monitoring, the system cannot move rapidly on the bridge, and then the tracking and monitoring range is limited;
2. during monitoring, the monitoring scene and the monitoring mode of the bridge deck are single;
based on the above, the invention provides a bridge condition online tracking and monitoring system and method to solve the problems in the background art.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an on-line tracking and monitoring system and method for bridge conditions, which solve the problems that the existing bridge monitoring and tracking system cannot realize the rapid movement of the system on a bridge and the tracking and monitoring range is limited.
The technical scheme for solving the technical problems is as follows: the utility model provides a bridge situation on-line tracking monitoring system, includes the monitoring load platform that can follow bridge deck and remove, the surface mounting of monitoring load platform has the tail arm of angularly adjustable, the inside liftable of tail arm is installed and is visited the arm, it is connected with through transposition motor driven control shell to visit arm inner wall rotation, the inner wall rotation of control shell is connected with through drive motor driven transmission shaft, cleaning unit, detecting element and image acquisition mechanism are installed respectively to the week side of control shell, the side-mounting of surveying the arm has data acquisition terminal, wireless data transmission module is built-in to data acquisition terminal's inside, cleaning unit, detecting element and image acquisition mechanism's port all are connected with data acquisition terminal electricity through wireless data transmission module.
The beneficial effects of the invention are as follows:
1) In the invention, when the remote control car body carries out monitoring operation, the bridge management platform carries out setting of the running track and running state of the remote control car body, and the space monitoring tracking position and the space monitoring tracking angle of the monitoring shell are universally adjustable through the arrangement of the big arm, the small arm, the tail arm and the adjusting arm push rod, and the monitoring tracking range and the monitoring tracking effect of the system are effectively improved through the realization of the universal adjustment and the universal movement effect of the monitoring tracking position.
2) When the monitoring and tracking of the bridge are carried out, the system has the crack monitoring mode, the vibration monitoring mode, the ultrasonic flaw detection monitoring mode, the concrete hardness monitoring mode of the bridge deck and the flatness monitoring or sedimentation monitoring of the bridge deck, and the universality and the multifunctionality of the system are effectively improved through the realization of the multi-mode monitoring function.
On the basis of the technical scheme, the invention can be improved as follows.
As preferred implementation mode, monitor load platform includes remote control automobile body and bridge management platform respectively, the top surface fixed mounting of remote control automobile body has the electric cabinet, the inside of electric cabinet is fixed mounting respectively has battery, well accuse host computer and long-range data transmission module, bridge management platform, battery, long-range data transmission module and data acquisition terminal's port all is connected with well accuse host computer electricity, electric turntable is installed to the top surface of remote control automobile body, electric turntable's top surface articulates there is big arm's tip articulates there is the forearm, the tip of forearm is articulated with the trailing arm, all articulate between the opposite surface of electric turntable and big arm, between the opposite surface of big arm and forearm, between the opposite surface of trailing arm and forearm has the rocker arm, the top surface of trailing arm is fixed mounting respectively environmental monitoring case and panoramic camera, the equal fixed mounting of both sides face of arm has audible-visual alarm screen.
In a preferred embodiment, a temperature and humidity sensor, a noise sensor, and a wind speed and direction sensor are respectively built in the environment monitoring box.
The beneficial effects of adopting the further scheme are that when in use, the temperature and humidity sensor, the noise sensor and the wind speed and wind direction sensor are used for collecting the environmental data of the bridge, and the environmental monitoring box, the temperature and humidity sensor, the noise sensor and the wind speed and wind direction sensor are all common mechanisms in the prior art and are not repeated here;
when the remote control car body monitors, the bridge management platform sets the running track and running state of the remote control car body, and the large arm, the small arm, the tail arm and the arm adjusting push rod are arranged, so that the space monitoring tracking position and the space monitoring tracking angle of the monitoring shell are universally adjustable, the panoramic camera is used for collecting panoramic environment images of the monitoring load platform in real time, and then the intelligent control of the bridge management platform on the remote control car body is facilitated.
As a preferred implementation mode, a lifting screw rod is rotationally connected between the inner surfaces of the tail arms, a lifting motor is fixedly arranged on the top surfaces of the tail arms, the output shaft end of the lifting motor is in transmission connection with the lifting screw rod, the peripheral side surface of the lifting screw rod is in transmission connection with the detecting arm, and the inner wall of the detecting arm is in sliding connection with the tail arms.
As the preferred implementation mode, clean unit respectively including be fixed in the negative pressure dust catcher of arm side, rotate connect in the negative pressure swivel of control shell inner wall, the axis position of negative pressure swivel is fixed to be seted up the negative pressure runner, the negative pressure port of negative pressure dust catcher passes through pipeline and negative pressure runner rotation intercommunication, the afterbody fixed mounting of negative pressure swivel has driven bevel gear, the week side fixed mounting of transmission shaft has the initiative bevel gear with driven bevel gear meshing, the tip fixed mounting of negative pressure swivel has the brush seat, the surface equipartition of brush seat has the brush, a set of regular distribution and the negative pressure suction orifice with negative pressure runner intercommunication have been seted up to the inside of brush seat.
The technical scheme has the advantages that when flaw detection, crack detection, vibration detection and concrete hardness detection are required to be carried out on the designated position of the bridge deck, the cleaning units are all aligned with the monitoring tracking position of the bridge deck in advance, after the cleaning units are opposite to the monitoring tracking position of the bridge deck, the negative pressure dust collector and the transmission shaft synchronously work, after the negative pressure dust collector works, negative pressure dust collection operation is carried out, after the transmission shaft works, the transmission shaft rotates at a set speed, and after the transmission shaft rotates, the cleaning seat is driven to rotate, and through rotation, the cleaning operation on the monitoring tracking position is realized;
as a preferred embodiment, the flaw detection unit comprises an ultrasonic flaw detector and a full-automatic resiliometer which are fixedly connected with the monitoring shell respectively.
The beneficial effect of adopting the further scheme is that, when in use, the ultrasonic flaw detector is used for carrying out ultrasonic physical internal flaw detection on the bridge deck of the bridge in an ultrasonic manner, and the full-automatic rebound instrument is used for monitoring the hardness data of the bridge deck in real time;
the ultrasonic flaw detector and the full-automatic resiliometer are all common structures in the prior art, and the ultrasonic flaw detector and the full-automatic resiliometer can be customized or selected according to actual demands.
As the preferred implementation mode, the detecting element includes ejector pin and the flat measuring frame of control shell fixed connection respectively, the outside of ejector pin is fixed and is provided with the vibration measuring plate, install a set of vibration sensor between the relative surface of vibration measuring plate and ejector pin, the central point of vibration measuring plate puts fixed mounting and has the contact, the inner wall sliding connection of flat measuring frame has a set of regularly distributed's testlever, every the tip of testlever all inlays and is equipped with universal ball, the week side cover of testlever is equipped with compression spring, the surface of flat measuring frame just is to the equal fixed mounting in position of every testlever has range sensor a, the cross section of testlever is the T shape.
The vibration monitoring device has the advantages that when vibration monitoring of the bridge deck is needed, the contact is clung to the bridge deck, after the contact is clung to the bridge deck, the initial monitoring value of the vibration sensor is subjected to pre-calibration, after the pre-calibration is finished, the vibration measuring plate is clung to the bridge deck, and then the vibration condition of the bridge deck is continuously monitored and tracked;
when the flatness monitoring or sedimentation monitoring operation of the bridge deck is required, each universal ball is clung to the bridge deck under the action of the compression spring, after the universal balls are contacted with the bridge deck, the monitoring value of the ranging sensor a is subjected to pre-zeroing, and after the zeroing is finished, the universal balls move along a set track, and then the flatness detection and sedimentation monitoring are carried out on the bridge deck.
As a preferred embodiment, the image acquisition mechanism respectively comprises a depth camera fixed on the surface of the monitoring shell and an image recognition module arranged in the central control host, and the data output end of the depth camera is in data connection with the image recognition module.
The image recognition module is used for carrying out image recognition and image analysis on the image acquired by the depth camera in real time, and judging the pavement crack degree or pavement crack distribution condition through the image recognition and the image analysis.
As a preferred implementation mode, the tail parts of the monitoring shell and the transmission shaft are fixedly provided with passive bevel gears, the output shaft ends of the indexing motor and the transmission motor are fixedly provided with linkage bevel gears, and the peripheral side surfaces of the two linkage bevel gears are respectively meshed with the passive bevel gears at corresponding positions.
As a preferred embodiment, a monitoring method of an online bridge condition tracking and monitoring system includes the following steps:
SS001, laying, before using, arranging a monitoring load platform on the bridge deck to be detected, after laying, outputting a control instruction to a central control host computer in real time by a remote data transmission module, after receiving the corresponding control instruction, driving the monitoring load platform to move on line on the bridge deck with a set track, and changing the monitoring tracking position of the monitoring load platform on the bridge and realizing real-time tracking by the on-line movement;
SS002, bridge monitoring, during bridge monitoring, monitor load platform according to the long-range accuse instruction in well accuse host computer to control this monitoring system's monitoring mode:
when a crack monitoring mode of the bridge deck is required to be carried out, the shooting direction of the depth camera is opposite to the bridge deck to be detected, the depth camera acquires bridge deck image data in real time, the image data acquired by the depth camera is transmitted to the image recognition module in real time, and the image recognition module recognizes the crack distribution condition of the bridge deck according to a built-in image recognition algorithm;
when a vibration monitoring mode of the bridge deck is needed, the vibration measuring plate is tightly attached to the bridge deck, after the vibration measuring plate is tightly attached to the bridge deck, the monitoring value of the vibration sensor is subjected to pre-zeroing, and after zeroing is finished, the vibration measuring plate is tightly attached to the bridge deck in a bridge vehicle passing state, and then vibration data of the bridge deck are collected in real time;
when an ultrasonic flaw detection monitoring mode of the bridge deck is needed, the ultrasonic flaw detector is opposite to the monitoring tracking position of the bridge, and then ultrasonic flaw detection operation is carried out on the appointed position on the bridge;
when a concrete hardness monitoring mode of the bridge deck is needed, the full-automatic resiliometer is contacted with a monitoring tracking position of the bridge deck, and then the concrete hardness of the bridge deck is monitored in real time;
when the flatness monitoring or sedimentation monitoring operation of the bridge deck is required, each universal ball is clung to the bridge deck under the action of the compression spring, after the universal balls are contacted with the bridge deck, the monitoring value of the ranging sensor a is subjected to pre-zeroing, and after the zeroing is finished, the universal balls move along a set track, and then the flatness monitoring and sedimentation monitoring are carried out on the bridge deck;
before each monitoring mode goes on, the cleaning unit all carries out the precleaning to the monitoring tracking position of bridge deck.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an online bridge condition tracking and monitoring system according to the present invention;
FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 3 is a schematic elevational view of the structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structure of the probe arm and the fully automatic resiliometer of the present invention;
FIG. 5 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 4;
FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C in FIG. 4;
FIG. 7 is a schematic view of the structure of the probe arm and the brush holder of the present invention;
FIG. 8 is a schematic view of the structure of the monitor housing and drive shaft of the present invention;
fig. 9 is a schematic view of the structure of the negative pressure screw spindle and driven bevel gear of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a tail arm; 2. a probe arm; 3. monitoring the shell; 4. a transmission shaft; 5. a data acquisition terminal; 6. driven bevel teeth; 7. a remote control car body; 8. an audible and visual alarm screen; 9. an electric control box; 10. an electric rotating table; 11. a large arm; 12. a forearm; 13. an arm adjusting push rod; 14. an environmental monitoring box; 15. a panoramic camera; 16. lifting the screw rod; 17. a negative pressure cleaner; 18. negative pressure rotating shaft; 19. a cleaning seat; 20. an ultrasonic flaw detector; 21. a full-automatic resiliometer; 22. a push rod; 23. a leveling frame; 24. a vibration measuring plate; 25. a vibration sensor; 26. a test rod; 27. a universal ball; 28. a compression spring; 29. a ranging sensor a; 30. a depth camera; 31. a contact.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The present invention provides the following preferred embodiments
1-9, an online bridge condition tracking and monitoring system comprises a monitoring load platform capable of moving along a bridge deck, wherein the surface of the monitoring load platform is provided with an angle-adjustable tail arm 1;
the monitoring load platform comprises a remote control car body 7 and a bridge management platform, wherein an electric cabinet 9 is fixedly arranged on the top surface of the remote control car body 7, a storage battery, a central control host and a remote data transmission module are fixedly arranged in the electric cabinet 9, ports of the bridge management platform, the storage battery, the remote data transmission module and the data acquisition terminal 5 are electrically connected with the central control host, an electric rotating table 10 is arranged on the top surface of the remote control car body 7, a big arm 11 is hinged to the top surface of the electric rotating table 10, a small arm 12 is hinged to the end part of the big arm 11, the end part of the small arm 12 is hinged to a tail arm 1, an adjusting arm push rod 13 is hinged between the opposite surfaces of the big arm 11 and the small arm 12 and between the opposite surfaces of the tail arm 1 and the small arm 12, an environment monitoring box 14 and a panoramic camera 15 are fixedly arranged on the top surface of the tail arm 1, and an audible and visual alarm screen 8 is fixedly arranged on two side surfaces of the detecting arm 2;
the environment monitoring box 14 has a temperature and humidity sensor, a noise sensor, and a wind speed and direction sensor built therein.
When the device is used, the temperature and humidity sensor, the noise sensor and the wind speed and wind direction sensor are used for collecting environmental data of the bridge, and the environmental monitoring box 14, the temperature and humidity sensor, the noise sensor and the wind speed and wind direction sensor are all common mechanisms in the prior art and are not repeated here;
when the remote control car body 7 carries out monitoring operation, the bridge management platform carries out setting of running track and running state of the remote control car body 7, and the large arm 11, the small arm 12, the tail arm 1 and the arm adjusting push rod 13 are arranged, so that the space monitoring tracking position and the space monitoring tracking angle of the monitoring shell 3 are universally adjustable, the panoramic camera 15 is used for collecting panoramic environment images of the monitoring load platform in real time, and intelligent control of the bridge management platform on the remote control car body 7 is facilitated;
a probe arm 2 is arranged in the tail arm 1 in a lifting manner;
a lifting screw rod 16 is rotationally connected between the inner surfaces of the tail arms 1, a lifting motor is fixedly arranged on the top surfaces of the tail arms 1, the output shaft ends of the lifting motor are in transmission connection with the lifting screw rod 16, the peripheral side surfaces of the lifting screw rod 16 are in transmission connection with the probe arms 2, and the inner walls of the probe arms 2 are in sliding connection with the tail arms 1;
the inner wall of the detection arm 2 is rotationally connected with a monitoring shell 3 driven by an indexing motor, and the inner wall of the monitoring shell 3 is rotationally connected with a transmission shaft 4 driven by a transmission motor;
the surfaces of the indexing motor and the transmission motor are fixedly connected with the probe arm 2;
the tail parts of the monitoring shell 3 and the transmission shaft 4 are fixedly provided with passive bevel gears, the output shaft ends of the indexing motor and the transmission motor are fixedly provided with linkage bevel gears, and the peripheral side surfaces of the two linkage bevel gears are respectively meshed with the passive bevel gears at corresponding positions;
the cleaning unit, the flaw detection unit, the detection unit and the image acquisition mechanism are respectively installed on the peripheral side face of the monitoring shell 3, the data acquisition terminal 5 is installed on the side face of the probe arm 2, the wireless data transmission module is arranged in the data acquisition terminal 5, and the ports of the cleaning unit, the flaw detection unit, the detection unit and the image acquisition mechanism are electrically connected with the data acquisition terminal 5 through the wireless data transmission module.
The wireless data transmission module is used for enabling the units and the mechanisms to be connected with the data acquisition terminal 5 in real-time data through a Bluetooth/4G/5G/WIFI transmission mode;
the cleaning unit respectively comprises a negative pressure dust collector 17 fixed on the side surface of the detecting arm 2 and a negative pressure rotating shaft 18 rotatably connected to the inner wall of the monitoring shell 3, a negative pressure flow channel is fixedly arranged at the axis position of the negative pressure rotating shaft 18, a negative pressure port of the negative pressure dust collector 17 is rotationally communicated with the negative pressure flow channel through a pipeline, a driven bevel gear 6 is fixedly arranged at the tail part of the negative pressure rotating shaft 18, a driving bevel gear meshed with the driven bevel gear 6 is fixedly arranged on the peripheral side surface of the transmission shaft 4, a cleaning seat 19 is fixedly arranged at the end part of the negative pressure rotating shaft 18, brushes are uniformly distributed on the surface of the cleaning seat 19, and a group of negative pressure suction holes which are regularly distributed and communicated with the negative pressure flow channel are formed in the cleaning seat 19.
When the designated position of the bridge deck is required to be subjected to flaw detection, crack detection, vibration detection and concrete hardness detection, the cleaning unit is in advance aligned with the monitoring tracking position of the bridge deck, after the cleaning unit is over against the monitoring tracking position of the bridge deck, the negative pressure dust collector and the transmission shaft 4 synchronously work, the negative pressure dust collector 17 works and then performs negative pressure dust collection operation, after the transmission shaft 4 works, the transmission shaft 4 rotates at a set speed, and after the transmission shaft 4 rotates, the cleaning seat 19 is driven to rotate, and the cleaning operation of the monitoring tracking position is realized through rotation;
the flaw detection units respectively comprise an ultrasonic flaw detector 20 and a full-automatic resiliometer 21 which are fixedly connected with the monitoring shell 3.
When the ultrasonic flaw detector is used, the ultrasonic flaw detector 20 is used for carrying out ultrasonic physical internal flaw detection on the bridge deck of the bridge in an ultrasonic manner, and the full-automatic rebound instrument 21 is used for monitoring hardness data of the bridge deck in real time;
the ultrasonic flaw detector 20 and the full-automatic resiliometer 21 are all commonly used structures in the prior art, and the ultrasonic flaw detector 20 and the full-automatic resiliometer 21 can be customized or selected according to actual demands.
The detecting element respectively include with monitor 3 fixed connection's ejector pin 22 and flat survey frame 23, the outside of ejector pin 22 is fixed to be provided with and shakes the survey board 24, shake and install a set of vibration sensor 25 between the relative surface of survey board 24 and ejector pin 22, the central point of survey board 24 puts fixed mounting and has contact 31, flat survey frame 23's inner wall sliding connection has a set of regularly distributed test rod 26, the tip of every test rod 26 all inlays and is equipped with universal ball 27, the week side cover of test rod 26 is equipped with compression spring 28, flat survey frame 23's surface just is to the equal fixed mounting in position of every test rod 26 has range finding sensor a29, the cross section of test rod 26 is the T shape.
When vibration monitoring of the bridge deck is required, the contact 31 is tightly attached to the bridge deck, after the contact 31 is tightly attached, the initial monitoring value of the vibration sensor 25 is pre-calibrated, after the pre-calibration is completed, the vibration measuring plate 24 is tightly attached to the bridge deck, and then the vibration condition of the bridge deck is continuously monitored and tracked;
when the flatness monitoring or sedimentation monitoring operation of the bridge deck is required, each universal ball 27 is tightly attached to the bridge deck under the action of the compression spring 28, after the universal balls 27 are contacted with the bridge deck, the monitoring value of the ranging sensor a29 is subjected to pre-zeroing, and after the zeroing is finished, the universal balls 27 move along a set track, so that the flatness detection and sedimentation monitoring are carried out on the bridge deck.
The image acquisition mechanism respectively comprises a depth camera 30 fixed on the surface of the monitoring shell 3 and an image recognition module arranged in the central control host, and the data output end of the depth camera 30 is in data connection with the image recognition module.
The image recognition module is used for performing image recognition and image analysis on the image acquired by the depth camera 30 in real time, and judging the pavement crack degree or pavement crack distribution condition through the image recognition and analysis.
A monitoring method of a bridge condition online tracking and monitoring system comprises the following steps:
SS001, laying, before using, arranging a monitoring load platform on the bridge deck to be detected, after laying, outputting a control instruction to a central control host computer in real time by a remote data transmission module, after receiving the corresponding control instruction, driving the monitoring load platform to move on line on the bridge deck with a set track, and changing the monitoring tracking position of the monitoring load platform on the bridge and realizing real-time tracking by the on-line movement;
SS002, bridge monitoring, during bridge monitoring, monitor load platform according to the long-range accuse instruction in well accuse host computer to control this monitoring system's monitoring mode:
when a crack monitoring mode of the bridge deck is required, the shooting direction of the depth camera 30 is opposite to the bridge deck to be detected, the depth camera 30 acquires bridge deck image data in real time, the image data acquired by the depth camera 30 is transmitted to an image recognition module in real time, and the image recognition module recognizes the crack distribution condition of the bridge deck according to a built-in image recognition algorithm;
when the vibration monitoring mode of the bridge deck is needed, the vibration measuring plate 24 is tightly attached to the bridge deck, after the vibration measuring plate is tightly attached to the bridge deck, the monitoring value of the vibration sensor 25 is subjected to pre-zeroing, and after the zeroing is finished, the vibration measuring plate 24 is tightly attached to the bridge deck in the passing state of a bridge vehicle, and then vibration data of the bridge deck are collected in real time;
when the ultrasonic flaw detection monitoring mode of the bridge deck is required, the ultrasonic flaw detector 20 is opposite to the monitoring tracking position of the bridge, and then ultrasonic flaw detection operation is carried out on the appointed position on the bridge;
when a concrete hardness monitoring mode of the bridge deck is required, the full-automatic resiliometer 21 is contacted with a monitoring tracking position of the bridge deck, and then the concrete hardness of the bridge deck is monitored in real time;
when the flatness monitoring or sedimentation monitoring operation of the bridge deck is required, each universal ball 27 is clung to the bridge deck under the action of the compression spring 28, after the universal balls 27 are contacted with the bridge deck, the monitoring value of the ranging sensor a29 is subjected to pre-zeroing, and after the zeroing is finished, the universal balls 27 move along a set track, so that the flatness detection and sedimentation monitoring are carried out on the bridge deck;
before each monitoring mode goes on, the cleaning unit all carries out the precleaning to the monitoring tracking position of bridge deck.
To sum up: the beneficial effects of the invention are embodied in that
In the invention, when the remote control car body carries out monitoring operation, the bridge management platform carries out setting of the running track and running state of the remote control car body, and the space monitoring tracking position and the space monitoring tracking angle of the monitoring shell are universally adjustable through the arrangement of the big arm, the small arm, the tail arm and the adjusting arm push rod, and the monitoring tracking range and the monitoring tracking effect of the system are effectively improved through the realization of the universal adjustment and the universal movement effect of the monitoring tracking position.
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 (9)
1. The utility model provides a bridge situation on-line tracking monitoring system, includes the monitoring load platform that can follow bridge deck and remove, its characterized in that, monitoring load platform's surface mounting has angularly adjustable tail arm (1), the inside liftable of tail arm (1) is installed and is visited arm (2), it is connected with through transposition motor driven control shell (3) to visit arm (2) inner wall rotation, the inner wall rotation of control shell (3) is connected with transmission shaft (4) through driving motor drive, cleaning unit, detecting element, image acquisition mechanism are installed respectively to the week side of control shell (3).
2. The bridge condition online tracking and monitoring system according to claim 1, wherein a data acquisition terminal (5) is installed on the side face of the probe arm (2), a wireless data transmission module is arranged in the data acquisition terminal (5), and ports of the cleaning unit, the flaw detection unit, the detection unit and the image acquisition mechanism are electrically connected with the data acquisition terminal (5) through the wireless data transmission module.
3. The bridge condition on-line tracking and monitoring system according to claim 2, wherein the monitoring load platform comprises a remote control car body (7) and a bridge management platform respectively, an electric cabinet (9) is fixedly arranged on the top surface of the remote control car body (7), and a storage battery, a central control host and a remote data transmission module are fixedly arranged in the electric cabinet (9) respectively.
4. The bridge condition online tracking and monitoring system according to claim 3, wherein ports of the bridge management platform, the storage battery, the remote data transmission module and the data acquisition terminal (5) are all electrically connected with a central control host, an electric rotating table (10) is installed on the top surface of the remote control vehicle body (7), a large arm (11) is hinged to the top surface of the electric rotating table (10), a small arm (12) is hinged to the end part of the large arm (11), the end part of the small arm (12) is hinged to a tail arm (1), an adjustable arm push rod (13) is hinged between the opposite surfaces of the electric rotating table (10) and the large arm (11), between the opposite surfaces of the large arm (11) and the small arm (12), and between the opposite surfaces of the tail arm (1) and the small arm (12), an environment monitoring box (14) and a panoramic camera (15) are fixedly installed on the top surface of the tail arm (1), and sound and light alarm screens (8) are fixedly installed on two side surfaces of the detection arm (2); a temperature and humidity sensor, a noise sensor and a wind speed and direction sensor are respectively arranged in the environment monitoring box (14); a lifting screw rod (16) is rotationally connected between the inner surfaces of the tail arms (1), a lifting motor is fixedly arranged on the top surface of the tail arms (1), the output shaft end of the lifting motor is in transmission connection with the lifting screw rod (16), the peripheral side surface of the lifting screw rod (16) is in transmission connection with the detection arms (2), and the inner wall of the detection arms (2) is in sliding connection with the tail arms (1); the cleaning unit comprises a negative pressure dust collector (17) fixed on the side surface of the detection arm (2) and a negative pressure rotating shaft (18) rotatably connected to the inner wall of the monitoring shell (3), a negative pressure flow channel is fixedly arranged at the axis position of the negative pressure rotating shaft (18), a negative pressure port of the negative pressure dust collector (17) is rotatably communicated with the negative pressure flow channel through a pipeline, a driven bevel gear (6) is fixedly arranged at the tail part of the negative pressure rotating shaft (18), a driving bevel gear meshed with the driven bevel gear (6) is fixedly arranged on the peripheral side surface of the transmission shaft (4), and a cleaning seat (19) is fixedly arranged at the end part of the negative pressure rotating shaft (18); the flaw detection unit comprises an ultrasonic flaw detector (20) and a full-automatic resiliometer (21) which are fixedly connected with the monitoring shell (3); the detection unit respectively comprises a push rod (22) fixedly connected with a monitoring shell (3) and a flat detection frame (23), a vibration detection plate (24) is fixedly arranged on the outer side of the push rod (22), a group of vibration sensors (25) are arranged between the vibration detection plate (24) and the opposite surfaces of the push rod (22), a contact (31) is fixedly arranged at the central position of the vibration detection plate (24), a group of regularly distributed test rods (26) are slidingly connected with the inner wall of the flat detection frame (23), universal balls (27) are embedded at the end parts of the test rods (26), and compression springs (28) are sleeved on the peripheral sides of the test rods (26).
5. The bridge condition on-line tracking and monitoring system according to claim 4, wherein brushes are uniformly distributed on the surface of the cleaning seat (19), and a group of negative pressure suction holes which are regularly distributed and communicated with the negative pressure flow channel are formed in the cleaning seat (19).
6. The bridge condition on-line tracking and monitoring system according to claim 5, wherein a ranging sensor a (29) is fixedly installed on the surface of the leveling frame (23) and opposite to each test rod (26), and the cross section of each test rod (26) is T-shaped.
7. The bridge condition on-line tracking and monitoring system according to claim 6, wherein the image acquisition mechanism comprises a depth camera (30) fixed on the surface of the monitoring shell (3) and an image recognition module arranged in the central control host, and a data output end of the depth camera (30) is in data connection with the image recognition module.
8. The bridge condition online tracking and monitoring system according to claim 7, wherein passive bevel gears are fixedly arranged at the tail parts of the monitoring shell (3) and the transmission shaft (4), linkage bevel gears are fixedly arranged at the output shaft ends of the indexing motor and the transmission motor, and the peripheral side surfaces of the two linkage bevel gears are respectively meshed with the passive bevel gears at corresponding positions.
9. The method for monitoring the bridge condition on-line tracking and monitoring system according to any one of claims 4 to 9, comprising the following steps:
SS001, laying, before using, arranging a monitoring load platform on the bridge deck to be detected, after laying, outputting a control instruction to a central control host computer in real time by a remote data transmission module, after receiving the corresponding control instruction, driving the monitoring load platform to move on line on the bridge deck with a set track, and changing the monitoring tracking position of the monitoring load platform on the bridge and realizing real-time tracking by the on-line movement;
SS002, bridge monitoring, during bridge monitoring, monitor load platform according to the long-range accuse instruction in well accuse host computer to control this monitoring system's monitoring mode:
when a crack monitoring mode of the bridge deck is required, the shooting direction of the depth camera (30) is just opposite to the bridge deck to be detected, the depth camera (30) acquires bridge deck image data in real time, the image data acquired by the depth camera (30) is transmitted to the image recognition module in real time, and the image recognition module recognizes the distribution condition of the crack of the bridge deck according to a built-in image recognition algorithm;
when a vibration monitoring mode of the bridge deck is required, the vibration measuring plate (24) is tightly attached to the bridge deck, after the vibration measuring plate is tightly attached to the bridge deck, the monitoring value of the vibration sensor (25) is subjected to pre-zeroing, and after zeroing is finished, the vibration measuring plate (24) is tightly attached to the bridge deck in a bridge vehicle passing state, and vibration data of the bridge deck are collected in real time;
when an ultrasonic flaw detection monitoring mode of the bridge deck is required, the ultrasonic flaw detector (20) is opposite to the monitoring tracking position of the bridge, and then ultrasonic flaw detection operation is carried out on the appointed position on the bridge;
when a concrete hardness monitoring mode of the bridge deck is needed, the full-automatic resiliometer (21) is contacted with a monitoring tracking position of the bridge deck, and then the concrete hardness of the bridge deck is monitored in real time;
before each monitoring mode goes on, the cleaning unit all carries out the precleaning to the monitoring tracking position of bridge deck.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310729343.0A CN116839658A (en) | 2023-06-20 | 2023-06-20 | Bridge condition online tracking and monitoring system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117822435A (en) * | 2024-03-06 | 2024-04-05 | 四川蜀工公路工程试验检测有限公司 | Bridge gap detection system and safety evaluation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117822435A (en) * | 2024-03-06 | 2024-04-05 | 四川蜀工公路工程试验检测有限公司 | Bridge gap detection system and safety evaluation method |
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