CN115219507A - Health monitoring method applied to bridge and tunnel structure maintenance - Google Patents
Health monitoring method applied to bridge and tunnel structure maintenance Download PDFInfo
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- CN115219507A CN115219507A CN202210843010.6A CN202210843010A CN115219507A CN 115219507 A CN115219507 A CN 115219507A CN 202210843010 A CN202210843010 A CN 202210843010A CN 115219507 A CN115219507 A CN 115219507A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
Abstract
The invention relates to the technical field of bridge and tunnel monitoring, in particular to a health monitoring method applied to bridge and tunnel structure maintenance, which comprises the following steps: step one, equipment installation: an operator installs the monitoring equipment on the side wall of the bridge and tunnel, so that the monitoring equipment is attached to the side wall of the bridge and tunnel, and the bridge and tunnel can be conveniently monitored; step two, starting the equipment: the operating personnel starts monitoring facilities for monitoring facilities laminating bridge tunnel wall carries out the slow movement, monitors bridge tunnel wall gradually through removing. This device is through mobile station and slide bar, the setting of arc support frame for operating personnel need not operating personnel and climbs to the height of laminating bridge and tunnel wall and monitor, is favorable to avoiding operating personnel to look up the fatigue that the operation caused for a long time high altitude, and prescribes a limit to through the orbit of arc support frame and slide bar, is favorable to avoiding because control improper striking that causes when using unmanned aerial vehicle to monitor the operation dangerous.
Description
Technical Field
The invention relates to the field of bridge and tunnel monitoring, in particular to a health monitoring method applied to bridge and tunnel structure maintenance.
Background
In the process of highway construction, because many mountains are in China, tunnels and bridges are often required to be arranged in the mountains to facilitate the construction of the highway, cracks may exist on the surfaces of the tunnels along with the change of time and environment of the tunnels, and hollow conditions may exist in the tunnels due to the movement of animals, so that the health monitoring of the bridges and the tunnels is required to be carried out regularly.
The technical scheme is that the bridge structure detection system comprises a non-contact detector, a laser projection subsystem and a data processor for processing measurement data and presenting data processing results, and bridge cracks and deflection are detected in an image acquisition and image processing mode.
When monitoring the bridge and tunnel among the prior art, generally adopt the method of artifical monitoring, rise the people to certain height through the monitoring platform and observe and strike the inspection to the bridge and tunnel wall, artifical long-time high altitude construction, long-time high altitude, face upward and regard as the easy fatigue of trade personnel, there is danger, or use unmanned aerial vehicle to drive the camera and monitor, such monitoring method needs operating personnel to face upward for a long time unmanned aerial vehicle and control, and unmanned aerial vehicle moves inside the tunnel and carries out the condition that has striking bridge and tunnel wall in the monitoring process, have danger equally. Therefore, the invention provides a health monitoring method applied to bridge and tunnel structure maintenance, which is used for solving the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a health monitoring method applied to bridge and tunnel structure maintenance.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a health monitoring method applied to bridge and tunnel structure maintenance comprises the following steps:
step one, equipment installation: an operator installs the monitoring equipment inside the bridge and tunnel, so that the monitoring equipment is attached to the side wall of the bridge and tunnel, and the bridge and tunnel can be conveniently monitored;
step two, equipment starting: an operator starts the monitoring equipment, so that the monitoring equipment is attached to the bridge and tunnel wall to move slowly, and the bridge and tunnel wall is gradually monitored through movement;
step three, crack monitoring: monitoring the inner wall of the bridge and tunnel by using the monitoring equipment in the moving process, and checking whether the bridge and tunnel wall has cracks or not;
step four, hollow monitoring: knocking and checking the bridge and tunnel wall in the moving process of the monitoring equipment, and checking whether the bridge and tunnel wall is damaged due to hollowness;
step five, disassembling the equipment: the operator demolishs the equipment after finishing monitoring;
the monitoring device comprises two arc-shaped support frames, two slide bars are arranged between the arc-shaped support frames, the two slide bars are connected and installed with the arc-shaped support frames through adjusting devices, a mobile station is installed on the two slide bars through a driving device, the driving device is used for driving the mobile station to move along the wall of a bridge tunnel, the mobile station is back to one side of each slide bar, a camera is fixedly installed on one side of each slide bar, a first rotating shaft is installed on the mobile station in a rotating mode, the first rotating shaft is connected with the slide bars through a linkage mechanism, the linkage mechanism is used for driving the first rotating shaft to rotate when the mobile station moves along the slide bars, sleeving rings are symmetrically fixed on the side walls of the first rotating shafts, a plurality of knocking rods are fixed on the equal circumferential arrays of the side walls of the sleeving rings, knocking hammers are installed at the end portions of the knocking rods through elastic devices, two abdicating grooves corresponding to the knocking hammers are formed in the mobile station, a sound spectrum detector is fixedly installed on one side, which is back to the slide bars, and a data processor is installed in the mobile station.
Preferably, adjusting device includes two first spouts and four rubber sliding frame, four first mounting grooves, two first spouts are seted up in two ARC frame's extrados, the inside of first spout all is fixed with first rack, and four rubber sliding frame are fixed in two respectively the both ends of slide bar, four two rubber sliding frame are located for a set of slip cap on ARC frame's the lateral wall, two with organizing fixedly connected with rubber connecting strip between the rubber sliding frame, two first mounting groove is seted up respectively in two the both ends of slide bar, the inside of first mounting groove has first motor through the fix with screw, the output shaft end fixing of first motor has first gear, first gear runs through behind the lateral wall of slide bar with adjacent first rack meshes mutually.
Preferably, drive arrangement includes second mounting groove, two second spouts, second pivot and two recesses, two the recess symmetry is seted up the mobile station orientation one side of slide bar, the slide bar is inserted and is located the inside of recess, the second mounting groove is seted up in on the lateral wall of mobile station, the inside of second mounting groove is through the fix with screw have the second motor, the second pivot rotate install in the inside of mobile station, the symmetry is fixed with two second gears on the lateral wall of second pivot, two the second gear runs through respectively extend to behind the lateral wall of mobile station the inside of recess, two the second spout is seted up respectively in two the slide bar dorsad one side of arc support frame, the inside of second spout is fixed with the second rack, the second rack with correspond the second gear meshes mutually.
Preferably, the link gear includes third mounting groove, third gear and fourth gear, the third mounting groove is seted up in the inside of mobile station, the third mounting groove runs through the recess, the third gear is installed in the internal rotation of third mounting groove, the fourth gear is coaxial to be fixed in the tip of first pivot, the fourth gear is located the inside of third mounting groove, the fourth gear with the third gear meshes mutually, the third gear with one of them the second rack meshes mutually.
Preferably, the elastic device comprises a straight rod, an insertion groove is formed in the straight rod, a limiting block is slidably connected to the inside of the insertion groove, one end, back to the sleeving ring, of the knocking rod is inserted into the insertion groove and then fixedly connected with the limiting block, one end, back to the knocking rod, of the limiting block is fixedly provided with a first spring, one end, back to the knocking rod, of the straight rod is fixedly connected with the knocking hammer, one end, back to the limiting block, of the first spring is fixedly connected with the knocking hammer, the abdicating groove comprises a circular section and a guide section, the radius of the circular section is constant, the guide section is arranged at two ends of the circular section and is smoothly connected with the circular section, and the guide section is close to an opening of the abdicating groove and inclines towards two ends.
Preferably, the mobile station is dorsad one side edge of slide bar is fixed with the fold expansion plate, the fold expansion plate dorsad the one end of mobile station is fixed with the rubber slab, the inside of fold expansion plate is provided with the inner chamber, the rubber slab orientation one side of mobile station is fixed with a plurality of second springs, the second spring is located the inside and the tip of inner chamber with mobile station fixed connection, the mobile station dorsad one side fixed mounting of slide bar has the light.
Preferably, the both ends of rubber slab all are fixed with scrapes the platform, two the both ends of scraping the platform all are fixed with the connecting plate, two with the group the connecting plate dorsad the one end of scraping the platform is fixed with the fixed station, the fixed station dorsad one side of slide bar is fixed with a plurality of scraping poles.
Preferably, a first annular acoustic panel is fixed to a side of the moving table opposite to the slide bar, the knocking hammer and the data processor are both located on an inner ring of the first annular acoustic panel, a second annular acoustic panel is slidably connected to an inner wall of the first annular acoustic panel, a plurality of third springs are fixedly connected between one side of the second annular acoustic panel facing the moving table and the moving table, and an elastic vibrating reed is fixed between the first annular acoustic panel and the second annular acoustic panel.
Preferably, a through groove is formed in the mobile station, the through groove is located in the middle of the first rotating shaft, a sound guide frame is mounted in the through groove, the sound guide frame comprises a metal rod and a metal plate, the metal rod is inserted into the through groove, one end of the metal rod is in rotating contact with the first rotating shaft, the metal plate is fixedly connected with the other end of the metal rod, a metal frame is fixed at one end of the metal plate, which is back to the metal rod, and covers a sound receiving part of the sound spectrum detector, and the first rotating shaft, the knocking rod, the straight rod and the knocking hammer are made of sound guide metal materials.
Preferably, the rubber slab with second annular acoustic celotex board dorsad a plurality of fourth mounting grooves have all been seted up to one side of mobile station, all the inside of fourth mounting groove is all rotated and is installed the rubber gyro wheel.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the mobile station, the sliding rod and the arc-shaped supporting frame, an operator can observe monitoring data in real time through the data station on the ground, so that the operator does not need to climb to the height of the attached bridge and tunnel wall for monitoring, the operator does not need to look up at the high altitude for a long time, fatigue caused by long-time operation of looking up at the high altitude of the operator can be avoided, and through the limitation of the tracks of the arc-shaped supporting frame and the sliding rod, the mobile station can be always stably monitored along the track, and the collision danger caused by improper control when the unmanned aerial vehicle is used for monitoring operation can be avoided.
2. According to the invention, the knocking hammer is arranged on the linkage mechanism to knock the bridge and tunnel wall in the moving process of the mobile station, so that the knocking hammer can be prevented from continuously knocking the bridge and tunnel wall to cause knocking damage when the mobile station stops moving, the knocking check on the hollow state of the bridge and tunnel wall can be facilitated, and the knocking damage on the bridge and tunnel can be avoided.
3. According to the invention, through the arrangement of the elastic device, the knocking force on the bridge and tunnel wall is enhanced, so that the knocking echo is improved, and the accuracy of knocking monitoring on the hollow position is enhanced through improving the echo.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of the mobile station and the slide bar of the present invention after being sectioned;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4B;
FIG. 6 is a schematic view of the connection structure of the arc-shaped support frame and the slide bar of the present invention;
FIG. 7 is a block diagram of a mobile station according to the present invention;
FIG. 8 is a cross-sectional schematic view of a mobile station according to the present invention;
FIG. 9 is an enlarged view of a portion of the structure of FIG. 8 at C;
FIG. 10 is an enlarged view of a portion of the structure of FIG. 8;
FIG. 11 is a schematic diagram of a mobile station of the present invention in further cross-section;
FIG. 12 is an enlarged view of a portion of FIG. 11 at E in accordance with the teachings of the present invention;
FIG. 13 is a schematic view of the mobile station of the present invention taken along the first pivot axis;
FIG. 14 is an enlarged view of a portion of FIG. 13 at F in accordance with the teachings of the present invention;
FIG. 15 is a schematic structural diagram of the mobile station of the present invention taken along the second axis of rotation;
FIG. 16 is a schematic structural view of the straight rod of the present invention after being sectioned;
fig. 17 is a partially enlarged view of the structure at G in fig. 16 according to the present invention.
In the figure: 1. an arc-shaped support frame; 2. a slide bar; 3. a first chute; 4. a first rack; 5. a rubber sliding frame; 6. a rubber connecting strip; 7. a first mounting groove; 8. a first motor; 9. a first gear; 10. a mobile station; 11. a second mounting groove; 12. a second motor; 13. a second gear; 14. a second chute; 15. a second rack; 16. a groove; 17. a camera; 18. a first rotating shaft; 19. a sleeving connection ring; 20. a knock bar; 21. a third mounting groove; 22. a third gear; 23. a fourth gear; 24. a yielding groove; 2401. a circular segment; 2402. a guide section; 25. a second rotating shaft; 26. a straight rod; 27. a limiting block; 28. inserting grooves; 29. a first spring; 30. knocking hammers; 31. folding the expansion plate; 32. an inner cavity; 33. a second spring; 34. an illuminating lamp; 35. a first annular acoustic panel; 36. a second annular acoustic panel; 37. a third spring; 38. an elastic vibrating piece; 39. a through groove; 40. a sound guide frame; 4001. a metal rod; 4002. a metal plate; 41. a metal frame body; 42. a sound spectrum detector; 43. a scraping table; 44. a connecting plate; 45. a fixed table; 46. a scraping rod; 47. mounting grooves; 48. rubber rollers; 49. a data processor; 50. a rubber plate.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
A health monitoring method applied to maintenance of a bridge and tunnel structure as shown in fig. 1 to 17 comprises the following steps:
step one, equipment installation: an operator installs the monitoring equipment inside the bridge and tunnel, so that the monitoring equipment is attached to the side wall of the bridge and tunnel, and the bridge and tunnel can be conveniently monitored;
step two, equipment starting: an operator starts the monitoring equipment, so that the monitoring equipment is attached to the bridge and tunnel wall to move slowly, and the bridge and tunnel wall is gradually monitored through movement;
step three, crack monitoring: monitoring images of the inner wall of the bridge and tunnel in the moving process of the monitoring equipment, and checking whether cracks exist in the bridge and tunnel wall;
step four, hollow monitoring: knocking and checking the bridge and tunnel wall in the moving process of the monitoring equipment, and checking whether the bridge and tunnel wall is damaged due to hollowness;
step five, disassembling the equipment: the operator demolishs the equipment after finishing monitoring;
the monitoring equipment in the first to fifth steps comprises two arc-shaped supporting frames 1, two sliding rods 2 are arranged between the two arc-shaped supporting frames 1, the two sliding rods 2 are connected with the arc-shaped supporting frames 1 through adjusting devices, a mobile station 10 is arranged on the two sliding rods 2 through a driving device, the driving device is used for driving the mobile station 10 to move along the wall of a bridge tunnel, a camera 17 is fixedly arranged on one side, opposite to the sliding rods 2, of the mobile station 10, a first rotating shaft 18 is rotatably arranged inside the mobile station 10, the first rotating shaft 18 is connected with the sliding rods 2 through a linkage mechanism, the linkage mechanism is used for driving the first rotating shaft 18 to rotate when the mobile station 10 moves along the sliding rods 2, sleeve rings 19 are symmetrically fixed on the side wall of the first rotating shaft 18, a plurality of knocking rods 20 are circumferentially and arrayed on the side walls of the two sleeve rings 19, a knocking hammer 30 is arranged at the end part of each knocking rod 20 through an elastic device, two abdicating grooves 24 corresponding to the knocking hammer 30 are formed in the mobile station 10, a spectrogram detectors 42 is fixedly arranged on one side, and a data processor 49 is arranged in the mobile station 10; when the bridge and tunnel monitoring device works, in the prior art, when the bridge and tunnel is monitored, a manual monitoring method is usually adopted, a monitoring platform is manually lifted to a certain height to observe and knock the bridge and tunnel wall, the manual work is carried out at high altitude for a long time, the long-time work at high altitude and the long-time work at high altitude are regarded as that workers are easy to fatigue and have danger, or an unmanned aerial vehicle is used for driving a camera to monitor, the monitoring method needs that the operators look up at the unmanned aerial vehicle for a long time to control, and the situation that the unmanned aerial vehicle impacts the bridge and tunnel wall in the monitoring process when moving in the tunnel, and the risks exist as well, the problems can be solved by the embodiment of the invention, the specific implementation mode is as follows, when the bridge and tunnel monitoring is needed, the operators install the arc-shaped support frame 1 in the tunnel, install the slide rods 2 through the adjusting device, and adjust the positions of the slide rods 2 through the adjusting device, therefore, different positions are monitored, a mobile station 10 is installed on a sliding rod 2 through a driving device, the driving device drives the mobile station 10 to move for detection, a camera 17 is installed on the mobile station 10, the camera 17 can monitor the tunnel wall through which the mobile station 10 moves and check whether cracks exist on the tunnel wall, a first rotating shaft 18 and the sliding rod 2 are connected with each other through a linkage mechanism, in the moving process of the mobile station 10, the first rotating shaft 18 is driven to rotate through the linkage action of the linkage mechanism, the first rotating shaft 18 drives a sleeve ring 19 to rotate, the sleeve ring 19 drives a knocking rod 20 to rotate, the knocking rod 20 drives a knocking hammer 30 to rotate to knock the bridge and tunnel wall, so that the bridge and tunnel wall is knocked at intervals, after the knocking hammer 30 knocks the bridge and tunnel wall, the bridge and tunnel wall pushes the knocking hammer 30 to move and withdraw towards the knocking rod 20 through an elastic device, make strike pole 20 and strike hammer 30 and can rotate through the bridge and tunnel wall, make strike hammer 30 can strike through rotating the circulation, the echo of strikeing can be examined to the sonogram detector 42, whether cavity exists in the change inspection bridge and tunnel wall through the sonogram, thereby carry out health monitoring to the bridge and tunnel, data processor 49 can carry out the analysis to the data of monitoring, make operating personnel can observe monitoring data through the data platform in real time subaerial, thereby it monitors to need not operating personnel to climb to the height of laminating bridge and tunnel wall, operating personnel need not long-time high-altitude overhead working, be favorable to avoiding operating personnel to look up the fatigue that the operation led to the fact high-altitude for a long time, and the orbit through arc-shaped support frame 1 and slide bar 2 is injectd, make mobile station 10 carry out stable monitoring along the orbit all the time, be favorable to avoiding using unmanned aerial vehicle to monitor the impact danger that the operation caused because of improper control.
As an embodiment of the invention, the adjusting device comprises two first sliding chutes 3, four rubber sliding frames 5 and four first mounting grooves 7, wherein the two first sliding chutes 3 are arranged on the outer arc surfaces of the two arc-shaped supporting frames 1, the first racks 4 are fixed inside the first sliding chutes 3, the four rubber sliding frames 5 are respectively fixed at two ends of the two sliding rods 2, the four rubber sliding frames 5 are in a group and are slidably sleeved on the side walls of the arc-shaped supporting frames 1, rubber connecting strips 6 are fixedly connected between the two rubber sliding frames 5 in the same group, the two first mounting grooves 7 are respectively arranged at two ends of the two sliding rods 2, the first motor 8 is fixed inside the first mounting grooves 7 through screws, the first gear 9 is fixed at the end part of the output shaft of the first motor 8, and the first gear 9 penetrates through the side walls of the sliding rods 2 and then is meshed with the adjacent first racks 4; during operation, the installation of first rack 4 can be carried out to the inside of first spout 3, rubber sliding frame 5 cup joints the outside at arc-shaped support frame 1 and makes slide bar 2 connect on arc-shaped support frame 1 lateral wall, rubber connecting strip 6 can connect two rubber sliding frame 5, make two rubber sliding frame 5 keep set distance, the installation of first motor 8 can be carried out to the inside of first mounting groove 7, first motor 8 can drive first gear 9 through the output shaft after starting and rotate, first gear 9 drives slide bar 2 through the meshing effect with first rack 4 after rotating and removes, make slide bar 2 can move along arc-shaped support frame 1's orbit, thereby drive mobile station 10 shift position and detect, thereby be favorable to mobile station 10 to detecting through the position change of slide bar 2 to the whole positions of tunnel wall, through prescribed movement orbit, look upward in real time to pay attention to the monitoring process of mobile station 10, be favorable to avoiding operating personnel to look upward tired out of doing the industry for a long time.
As an embodiment of the present invention, the driving device includes a second mounting groove 11, two second sliding grooves 14, a second rotating shaft 25 and two grooves 16, the two grooves 16 are symmetrically opened on one side of the moving platform 10 facing the sliding rod 2, the sliding rod 2 is inserted into the grooves 16, the second mounting groove 11 is opened on a side wall of the moving platform 10, a second motor 12 is fixed inside the second mounting groove 11 through a screw, the second rotating shaft 25 is rotatably mounted inside the moving platform 10, two second gears 13 are symmetrically fixed on a side wall of the second rotating shaft 25, the two second gears 13 respectively penetrate through the side wall of the moving platform 10 and extend into the grooves 16, the two second sliding grooves 14 are respectively opened on one side of the two sliding rods 2 facing away from the arc-shaped supporting frame 1, second racks 15 are fixed inside the second sliding grooves 14, and the second racks 15 are engaged with the corresponding second gears 13; during operation, the second rack 15 can be installed inside the second chute 14, the groove 16 can be matched with the slide bar 2 in an inserted manner, so that the mobile station 10 moves along the track of the slide bar 2, the second motor 12 can be installed inside the second installation groove 11, the second motor 12 can drive the second gear 13 to rotate through the output shaft after being started, the second rotating shaft 25 can be connected with the two second gears 13, so that the two second gears 13 synchronously rotate, the second gear 13 drives the mobile station 10 to move through the meshing action with the second rack 15 after rotating, so that the mobile station 10 can move along the slide bar 2 to monitor the wall of the bridge, the slide bar 2 is favorable for moving and monitoring through the specified track, thereby being favorable for keeping monitoring each tunnel of the bridge, and improving the monitoring comprehensiveness.
As an embodiment of the present invention, the linkage mechanism includes a third mounting groove 21, a third gear 22 and a fourth gear 23, the third mounting groove 21 is opened inside the mobile station 10, the third mounting groove 21 penetrates the groove 16, the third gear 22 is rotatably mounted inside the third mounting groove 21, the fourth gear 23 is coaxially fixed at the end of the first rotating shaft 18, the fourth gear 23 is located inside the third mounting groove 21, the fourth gear 23 is engaged with the third gear 22, and the third gear 22 is engaged with one of the second racks 15; during operation, the mobile station 10 moves relative to the surface of the slide bar 2 along the slide bar 2, the moving of the mobile station 10 drives the third gear 22 to move, the third gear 22 moves relative to the second gear 15, the second gear 15 is meshed with the third gear 22 to drive the third gear 22 to rotate, the third gear 22 rotates to drive the fourth gear 23 meshed with the third gear to rotate, the third mounting groove 21 can mount the third gear 22 and the fourth gear 23, the fourth gear 23 rotates to drive the first rotating shaft 18 to rotate, the knocking hammer 30 is synchronously driven to rotate during the moving of the mobile station 10, the knocking hammer 30 knocks the tunnel wall during the moving of the mobile station 10, the detection of cracks of the tunnel wall is facilitated, the hollowing condition of the tunnel wall is synchronously detected, and the detection time is saved.
As an embodiment of the invention, the elastic device comprises a straight rod 26, an insertion groove 28 is formed in the straight rod 26, a limit block 27 is slidably connected in the insertion groove 28, one end of the knocking rod 20, which is back to the sleeve ring 19, is inserted into the insertion groove 28 and then fixedly connected with the limit block 27, one end of the limit block 27, which is back to the knocking rod 20, is fixed with a first spring 29, one end of the straight rod 26, which is back to the knocking rod 20, is fixedly connected with a knocking hammer 30, one end of the first spring 29, which is back to the limit block 27, is fixedly connected with the knocking hammer 30, the abdicating groove 24 comprises a circular section 2401 and a guide section 2402, the radius of the circular section 2401 keeps a fixed value, the guide section 2402 is arranged at two ends of the circular section 2401 and is smoothly connected with the circular section 2401, and the guide section 2402 is inclined towards two ends near an opening of the abdicating groove 24; in operation, when the knocking hammer 30 is driven by the knocking rod 20 to rotate to knock the bridge and tunnel wall, the knocking hammer 30 is in contact with the bridge and tunnel wall, the bridge and tunnel wall is squeezed to push the knocking hammer 30, the knocking hammer 30 pushes the straight rod 26, the straight rod 26 slides outside the knocking hammer 20 through the insertion groove 28, the straight rod 26 slides in the direction close to the sleeving ring 19, so that the first spring 29 is squeezed and compressed, the knocking hammer 30 is squeezed to be close to the knocking rod 20 and then rotates through the bridge and tunnel wall, the knocking hammer 30 resets under the action of the first spring 29 after rotating through the bridge and tunnel wall, then the knocking hammer 30 continues to rotate into the guide section 2402 and moves along the guide section 2402 to the circular section 2401, the knocking hammer 30 generates squeezing force due to the fact that the radius of the guide section 2402 to the circular section 2401 is gradually reduced in the direction, so that the knocking hammer 30 gradually drives the knocking hammer 26 to slide outside the knocking hammer 20 in the rotating movement process, the knocking hammer 30 gradually approaches the sleeving ring 19, so that the first spring 29 is compressed again to be aligned to the knocking hammer 30, and the knocking hammer 30 is beneficial to improving the knocking hammer resilience after the knocking hammer 30 rotates and the impact force is increased, and the knocking hammer 30 is beneficial to improve the knocking hammer.
As an embodiment of the present invention, a corrugated expansion plate 31 is fixed on an edge of one side of the mobile station 10, which is away from the slide bar 2, a rubber plate 50 is fixed on one end of the corrugated expansion plate 31, which is away from the mobile station 10, an inner cavity 32 is arranged inside the corrugated expansion plate 31, a plurality of second springs 33 are fixed on one side of the rubber plate 50, which faces the mobile station 10, the second springs 33 are located inside the inner cavity 32, and the ends of the second springs are fixedly connected with the mobile station 10, and an illuminating lamp 34 is fixedly installed on one side of the mobile station 10, which is away from the slide bar 2; during operation, when the bridge and tunnel wall is monitored through the camera 17, light inside the bridge and tunnel is dark, so that a plurality of lights can be arranged inside the bridge and tunnel, and when the mobile station 10 moves, the fixed lights can change continuously, so that light interference is generated on monitoring of the camera 17 due to light change, and monitoring accuracy is affected.
As an embodiment of the present invention, both ends of the rubber plate 50 are fixed with the scraping tables 43, both ends of the two scraping tables 43 are fixed with the connecting plates 44, one end of the two connecting plates 44 in the same group, which faces away from the scraping tables 43, is fixed with the fixed table 45, and one side of the fixed table 45, which faces away from the sliding rod 2, is fixed with the plurality of scraping rods 46; during operation, there are a large amount of vehicles in the inside of bridge and tunnel to pass through, the vehicle can raise the dust after passing through, make the dust adsorb at the bridge and tunnel wall, when the bridge and tunnel wall produces the drop of water because temperature changes, the dust can produce dust and glue at the bridge and tunnel wall with water combination, thereby form the sheltering from to the gap of bridge and tunnel wall, and the gluing of dust makes difficult to produce the echo when beating, influence the health monitoring to the bridge and tunnel, this embodiment of the invention can solve above problem, as follows in the concrete implementation, driving the scraping stage 43 in the removal process of mobile station 10, connecting plate 44, the removal of fixed station 45 and scraping pole 46, fixed station 45 carries out fixed mounting to scraping pole 46, connecting plate 44 can connect fixed station 45 and scraping stage 43, scraping pole 46 scrapes dust in the removal process, make the dust that glues at the bridge and stick at the bridge and originally scrape loosely, scraping stage 43 scrapes loose dust horizontally, make mobile station 10 remove the monitoring of bridge and getting rid of the crack in advance and can avoid the monitoring camera 17 that the crack directly to hit the monitoring camera, thereby the impact the gap of the bridge and can be favorable to the monitoring camera to the crack.
As an embodiment of the present invention, a first annular acoustic panel 35 is fixed to a side of the moving stage 10 facing away from the sliding rod 2, the hammer 30 and the data processor 49 are both located at an inner periphery of the first annular acoustic panel 35, a second annular acoustic panel 36 is slidably connected to an inner wall of the first annular acoustic panel 35, a plurality of third springs 37 are fixedly connected between a side of the second annular acoustic panel 36 facing the moving stage 10 and the moving stage 10, and an elastic vibration plate 38 is fixed between the first annular acoustic panel 35 and the second annular acoustic panel 36; during operation, when a vehicle passes through the interior of the bridge and tunnel, the vehicle can generate noise, so that the sound spectrum detector 42 can generate an error in sound collection, and the bridge and tunnel is not favorable for accurate monitoring of the bridge and tunnel, and the embodiment of the invention can solve the above problems.
As an embodiment of the present invention, a through groove 39 is formed inside the mobile station 10, the through groove 39 is located in the middle of the first rotating shaft 18, a sound guide frame 40 is installed inside the through groove 39, the sound guide frame 40 includes a metal rod 4001 and a metal plate 4002, the metal rod 4001 is inserted into the through groove 39, one end of the metal rod 4001 is in rotational contact with the first rotating shaft 18, the metal plate 4002 is fixedly connected with the other end of the metal rod 4001, one end of the metal plate 4002, which faces away from the metal rod 4001, is fixed with a metal frame 41, the metal frame 41 covers a sound receiving part of the spectrum detector 42, and the first rotating shaft 18, the knocking rod 20, the straight rod 26 and the knocking hammer 30 are made of sound guide metal material; during operation, when echo is monitored, the sound intensity of the echo is low, so that the sound spectrum detector 42 is more easily interfered by external noise, and the monitoring accuracy of the sound spectrum detector 42 on sound is reduced.
As an embodiment of the present invention, a plurality of fourth mounting grooves 47 are formed on the sides of the rubber plate 50 and the second annular acoustic panel 36 facing away from the mobile station 10, and a rubber roller 48 is rotatably mounted inside all the fourth mounting grooves 47; in operation, during the moving process of the mobile station 10, the rubber plate 50 and the second annular acoustic panel 36 continuously rub against the tunnel wall, so that the rubber plate 50 and the second annular acoustic panel 36 are continuously worn during the moving process, which affects the service life, and noise is generated during the rubbing moving process, which adversely affects echo detection.
The working principle of the invention is as follows: in the prior art, when monitoring a bridge and a tunnel, a manual monitoring method is usually adopted, a monitoring platform is manually lifted to a certain height to observe and knock and check the wall of the bridge and the tunnel, the manual work is carried out at high altitude for a long time, the long-time work at high altitude and the long-time work at high altitude are regarded as that workers are easy to fatigue and dangerous, or an unmanned aerial vehicle is used for driving a camera to monitor, the monitoring method needs the operator to control the unmanned aerial vehicle by looking up for a long time, and the situation that the unmanned aerial vehicle impacts the wall of the bridge and the tunnel in the monitoring process of moving in the tunnel is also dangerous, the embodiment of the invention can solve the problems, and has the following specific implementation mode that when monitoring the bridge and the tunnel is needed, the operator installs an arc-shaped support frame 1 in the tunnel, installs a slide rod 2 through an adjusting device, and can adjust the position of the slide rod 2 through the adjusting device, therefore, different positions are monitored, a mobile station 10 is installed on a sliding rod 2 through a driving device, the driving device drives the mobile station 10 to move for detection, a camera 17 is installed on the mobile station 10, the camera 17 can monitor the tunnel wall through which the mobile station 10 moves and check whether cracks exist on the tunnel wall, a first rotating shaft 18 is connected with the sliding rod 2 through a linkage mechanism, the first rotating shaft 18 is driven to rotate through the linkage effect of the linkage mechanism in the moving process of the mobile station 10, the first rotating shaft 18 drives a sleeve ring 19 to rotate, the sleeve ring 19 drives a knocking rod 20 to rotate, the knocking rod 20 drives the knocking hammer 30 to rotate to knock the tunnel wall, so that the tunnel wall is knocked at intervals, after the knocking hammer 30 knocks the tunnel wall, the tunnel wall pushes the knocking hammer 30 to move towards the knocking rod 20 through an elastic device and withdraw, make strike pole 20 and strike hammer 30 can rotate through the bridge tunnel wall, make strike hammer 30 can strike through rotating the circulation, the echo of striking can be examined to sonogram detector 42, whether cavity exists in the change inspection bridge tunnel wall through the sonogram, thereby carry out health monitoring to the bridge tunnel, data processor 49 can carry out the analysis to the data of monitoring, make operating personnel can be subaerial through data platform real-time observation monitoring data, thereby it monitors to need not operating personnel to climb to the height of laminating bridge tunnel wall, operating personnel need not long-time overhead working, be favorable to avoiding operating personnel to look up the fatigue that the operation led to the fact high altitude for a long time, and the orbit through arc support frame 1 and slide bar 2 is injectd, make mobile station 10 carry out stable monitoring along the orbit all the time, be favorable to avoiding using unmanned aerial vehicle to monitor the striking danger that the operation caused because of improper control.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. A health monitoring method applied to bridge and tunnel structure maintenance is characterized by comprising the following steps:
step one, equipment installation: an operator installs the monitoring equipment inside the bridge and tunnel, so that the monitoring equipment is attached to the side wall of the bridge and tunnel, and the bridge and tunnel can be conveniently monitored;
step two, starting the equipment: an operator starts the monitoring equipment, so that the monitoring equipment is attached to the bridge and tunnel wall to move slowly, and the bridge and tunnel wall is gradually monitored through movement;
step three, crack monitoring: monitoring the inner wall of the bridge and tunnel by using the monitoring equipment in the moving process, and checking whether the bridge and tunnel wall has cracks or not;
step four, hollow monitoring: the method comprises the following steps that knocking detection is carried out on the bridge and tunnel wall in the moving process of the monitoring equipment, and whether the bridge and tunnel wall is damaged in a hollow mode or not is checked;
step five, disassembling the equipment: the operator demolishs the equipment after finishing monitoring;
wherein, the monitoring device in the first to fifth steps comprises two arc-shaped supporting frames (1), two sliding rods (2) are arranged between the two arc-shaped supporting frames (1), the two sliding rods (2) are connected with the arc-shaped supporting frames (1) through an adjusting device, a mobile station (10) is installed on the two sliding rods (2) through a driving device, the driving device is used for driving the mobile station (10) to move along the wall of a bridge tunnel, a camera (17) is fixedly installed on one side of the mobile station (10) back to the sliding rods (2), a first rotating shaft (18) is rotatably installed inside the mobile station (10), the first rotating shaft (18) and the sliding rods (2) are mutually connected through a linkage mechanism, the linkage mechanism is used for driving the first rotating shaft (18) to rotate when the mobile station (10) moves along the sliding rods (2), sleeve rings (19) are symmetrically fixed on the side walls of the first rotating shaft (18), a plurality of striking rods (20) are fixed on the circumferential arrays of the side walls of the two sleeve rings (19), a striking rod (20) is installed on one side of the movable station (30), and a hammer groove (42) corresponding to the back of the mobile station (10) is formed on the hammer detection instrument, a data processor (49) is installed inside the mobile station (10).
2. The health monitoring method applied to bridge and tunnel structure maintenance is characterized in that the adjusting device comprises two first sliding grooves (3), four rubber sliding frames (5) and four first mounting grooves (7), wherein the two first sliding grooves (3) are arranged on the outer arc surfaces of the two arc-shaped support frames (1), a first rack (4) is fixed inside each first sliding groove (3), the four rubber sliding frames (5) are respectively fixed at two ends of the two sliding rods (2), the four rubber sliding frames (5) are respectively arranged on two side walls of the arc-shaped support frames (1) in a sliding manner, a rubber connecting strip (6) is fixedly connected between the rubber sliding frames (5) in the same group, the two first mounting grooves (7) are respectively arranged at two ends of the two sliding rods (2), a first motor (8) is fixed inside each first mounting groove (7) through screws, a first gear (9) is fixed at the end part of an output shaft of the first motor (8), and the first gear (9) penetrates through the side walls of the two sliding rods (2) and is meshed with the adjacent side walls (4) of the rack.
3. The health monitoring method applied to maintenance of bridge and tunnel structures according to claim 1, wherein the driving device comprises a second mounting groove (11), two second sliding grooves (14), a second rotating shaft (25) and two grooves (16), the two grooves (16) are symmetrically formed in one side of the mobile station (10) facing the sliding rod (2), the sliding rod (2) is inserted into the grooves (16), the second mounting groove (11) is formed in a side wall of the mobile station (10), a second motor (12) is fixed in the second mounting groove (11) through screws, the second rotating shaft (25) is rotatably mounted in the mobile station (10), two second gears (13) are symmetrically fixed on a side wall of the second rotating shaft (25), the two second gears (13) respectively extend into the grooves (16) after penetrating through the side wall of the mobile station (10), the two second sliding grooves (14) are respectively formed in one side of the two sliding grooves (2) facing the arc-shaped support frame (1), and the second gears (15) are correspondingly engaged with the second sliding grooves (15).
4. The health monitoring method applied to bridge and tunnel structure maintenance is characterized in that the linkage mechanism comprises a third installation groove (21), a third gear (22) and a fourth gear (23), the third installation groove (21) is opened in the mobile station (10), the third installation groove (21) penetrates through the groove (16), the third gear (22) is rotatably installed in the third installation groove (21), the fourth gear (23) is coaxially fixed at the end part of the first rotating shaft (18), the fourth gear (23) is located in the third installation groove (21), the fourth gear (23) is meshed with the third gear (22), and the third gear (22) is meshed with one of the second racks (15).
5. The health monitoring method applied to maintenance of a bridge-tunnel structure according to claim 1, wherein the elastic device comprises a straight rod (26), an insertion groove (28) is formed in the straight rod (26), a limiting block (27) is slidably connected to the inside of the insertion groove (28), one end of the knocking rod (20) facing away from the sleeving ring (19) is fixedly connected to the limiting block (27) after being inserted into the insertion groove (28), one end of the limiting block (27) facing away from the knocking rod (20) is fixedly connected to the first spring (29), one end of the straight rod (26) facing away from the knocking rod (20) is fixedly connected to the knocking hammer (30), one end of the first spring (29) facing away from the limiting block (27) is fixedly connected to the knocking hammer (30), the abdicating groove (24) comprises a round section (2401) and a guide section (2402), the radius of the round section (2401) is kept constant, the guide section (2402) is arranged at two ends of the round section (2401) and is connected to the abdicating groove (2402), and the two ends of the guide section (2402) are inclined, and the guide section (2401) is close to the opening of the guide section (2402).
6. The health monitoring method applied to bridge and tunnel structure maintenance is characterized in that a fold expansion plate (31) is fixed to one side edge of a mobile station (10) back to the slide bar (2), a rubber plate (50) is fixed to one end, back to the mobile station (10), of the fold expansion plate (31), an inner cavity (32) is formed inside the fold expansion plate (31), a plurality of second springs (33) are fixed to one side, facing the mobile station (10), of the rubber plate (50), the second springs (33) are located inside the inner cavity (32) and are fixedly connected with the mobile station (10), and an illuminating lamp (34) is fixedly installed on one side, back to the slide bar (2), of the mobile station (10).
7. The health monitoring method applied to bridge and tunnel structure maintenance according to claim 6, wherein both ends of the rubber plate (50) are fixed with scraping tables (43), both ends of two scraping tables (43) are fixed with connecting plates (44), one end of the same group of two connecting plates (44) facing away from the scraping tables (43) is fixed with a fixing table (45), and one side of the fixing table (45) facing away from the sliding rod (2) is fixed with a plurality of scraping rods (46).
8. A health monitoring method applied to bridge and tunnel structure maintenance according to claim 6, characterized in that a first annular acoustic baffle plate (35) is fixed on the side of the mobile station (10) opposite to the slide bar (2), the knocking hammer (30) and the data processor (49) are both located at the inner ring of the first annular acoustic baffle plate (35), a second annular acoustic baffle plate (36) is slidably connected to the inner wall of the first annular acoustic baffle plate (35), a plurality of third springs (37) are fixedly connected between the side of the second annular acoustic baffle plate (36) facing the mobile station (10) and the mobile station (10), and an elastic vibrating reed (38) is fixed between the first annular acoustic baffle plate (35) and the second annular acoustic baffle plate (36).
9. The health monitoring method applied to maintenance of bridge and tunnel structures according to claim 8, wherein a through groove (39) is formed in the mobile station (10), the through groove (39) is located in the middle of the first rotating shaft (18), a sound guide frame (40) is installed in the through groove (39), the sound guide frame (40) comprises a metal rod (4001) and a metal plate (4002), the metal rod (4001) is inserted into the through groove (39), one end of the metal rod (4001) is in rotational contact with the first rotating shaft (18), the metal plate (4002) is fixedly connected with the other end of the metal rod (4001), one end of the metal plate (4002) facing away from the metal rod (4001) is fixed with a metal frame (41), the metal frame (41) covers a sound receiving part of the spectrum detector (42), and the first rotating shaft (18), the knocking rod (20), the knocking rod (26) and the knocking hammer (30) are all made of metal straight metal material.
10. The health monitoring method applied to bridge and tunnel structure maintenance according to claim 8, wherein a plurality of fourth installation grooves (47) are formed in the sides of the rubber plate (50) and the second annular sound insulation plate (36) facing away from the mobile station (10), and rubber rollers (48) are rotatably installed in all the fourth installation grooves (47).
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