CN117699085B - Detection equipment and method for bridge disease detection - Google Patents
Detection equipment and method for bridge disease detection Download PDFInfo
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- CN117699085B CN117699085B CN202410159762.XA CN202410159762A CN117699085B CN 117699085 B CN117699085 B CN 117699085B CN 202410159762 A CN202410159762 A CN 202410159762A CN 117699085 B CN117699085 B CN 117699085B
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 201000010099 disease Diseases 0.000 title claims abstract description 13
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 6
- 238000009434 installation Methods 0.000 claims description 45
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000007306 turnover Effects 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000007547 defect Effects 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims 1
- 238000003908 quality control method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Abstract
The invention discloses detection equipment and a detection method for bridge disease detection, and relates to the technical field of bridge detection.
Description
Technical Field
The invention relates to the technical field of bridge detection, in particular to detection equipment and method for bridge disease detection.
Background
The bridge belongs to an important ring in the public transportation field, the safety of the bridge is related to the life and property safety of masses, the bridge is detected regularly, and at present, various methods for detecting the safety of the bridge exist, one is to monitor the bridge in real time by utilizing a detection device fixedly arranged on the bridge; the unmanned aerial vehicle is adopted to detect in another mode, detection cost can be reduced, detection efficiency is improved, the existing patent publication number CN112758323B provides the unmanned aerial vehicle with follow-up lighting function for bridge detection, the observation point distance measured by the control signal ranging module of the control cradle head of the image acquisition equipment, the deflection angle of the spotlight control cradle head is calculated by dissociation of the mounting distance of the spotlight and the image acquisition equipment, the work load of bridge detection personnel is reduced while image acquisition quality is improved, but the unmanned aerial vehicle lacks protective measures, a leaf surface is easy to crash due to touch when approaching a detected object, in addition, the camera shooting position for acquiring a bridge surface picture is relatively fixed, the unmanned aerial vehicle is suitable for acquiring bridge surface information from a horizontal angle, but the bridge surface and the side surface are required to be photographed when being inspected for bridge quality, and the existing equipment obviously has the defects.
Based on the detection, the detection equipment and the detection method for bridge disease detection are provided, and the defects of the conventional device can be overcome.
Disclosure of Invention
The invention aims to provide detection equipment and method for bridge disease detection, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a check out test set for bridge disease detects, includes two unmanned aerial vehicle bodies, and every unmanned aerial vehicle body both ends are equipped with a power component that is used for providing the power of flight respectively, and every unmanned aerial vehicle body outer end is equipped with the supporting part that is used for providing the holding power, is equipped with a detection body between two unmanned aerial vehicle bodies, and every unmanned aerial vehicle body side all is equipped with a connecting axle, the connecting axle rotates with the detection body to be connected, connects through the link between two connecting axles, detect the inside installation chamber that is equipped with of body, be equipped with the tilting mechanism that is used for driving the detection body upset in the installation chamber, can adjust the operational angle who detects the body through tilting mechanism to detect the bridge floor, the bridge bottom, or bridge post detects the body front end and is equipped with a sliding mouth, and sliding mouth position slides and is equipped with an installation slide, the installation slide tip is equipped with the camera shooting part that is used for acquireing bridge floor information, the telescopic machanism that is used for driving its stretching out is equipped with still with on the detection body with the wireless module that is used for carrying out the position locking with control terminal interaction.
Based on the technical scheme, the invention also provides the following optional technical schemes:
In one alternative: the camera shooting component comprises a first camera shooting seat plate and a second camera shooting seat plate, the first camera shooting seat plate and the second camera shooting seat plate are arranged in side sliding holes in the outer side of the wiping frame in a sliding mode, a plurality of cameras for acquiring photos are arranged at the ends of the first camera shooting seat plate and the second camera shooting seat plate respectively, an illuminating lamp for assisting in illumination is arranged between the adjacent cameras, the first camera shooting seat plate and the second camera shooting seat plate are connected to drive an unfolding unit for enabling the first camera shooting seat plate and the second camera shooting seat plate to slide towards two sides, wiping units for wiping the surfaces of the illuminating lamp and the cameras are arranged in the outer side of the installation sliding seat, and a protection mechanism for protecting the camera shooting mechanism is further arranged at the ends of the installation sliding seat.
In one alternative: the protection mechanism comprises side guide sleeves arranged at two ends of the inner wall of the installation slide seat, a telescopic slide rod is horizontally arranged on the side guide sleeves in a sliding manner, a safety rod is arranged at each end of each telescopic slide rod, a plurality of buffer balls are arranged at each end of each safety rod, a pushing screw rod is matched with the threaded holes at the other end of each telescopic slide rod, the pushing screw rods are rotatably arranged at the upper ends of the positioning vertical plates, the lower ends of the positioning vertical plates are fixedly connected with the bottoms of the installation slide seat, a second chain wheel is arranged at each end of each pushing screw rod, and the second chain wheels are in transmission connection with the first chain wheels on the driving shafts through chains.
In one alternative: the wiping unit comprises a wiping frame, the wiping frame is arranged at the middle position of the camera end of the installation sliding seat, the wiping frame is of a U-shaped structure, an installation jack is formed in the upper end of the wiping frame, a wiping strip is inserted into the installation jack in a sliding mode, a wiping surface is arranged on the surface, facing the camera mechanism, of the wiping strip, and a locking bolt for tightly pressing the wiping strip is arranged on the outer side of the wiping frame in a rotating mode.
In one alternative: the unfolding unit comprises tooth grooves arranged on the transmission surfaces of the first shooting seat plate and the second shooting seat plate, a third gear is meshed between the upper tooth groove and the lower tooth groove, the third gear is arranged at one end of a driving shaft, and the other end of the driving shaft is connected with a third motor for driving the driving shaft to rotate.
In one alternative: the telescopic mechanism comprises a counterweight screw, one end of the counterweight screw is matched with a threaded sleeve on the installation sliding seat, the middle position of the counterweight screw is rotationally connected with a center block at the bottom of the installation cavity, a transmission worm wheel is coaxially arranged on the counterweight screw, the transmission worm wheel is meshed with a transmission worm, one end of the transmission worm is rotationally connected with the inner wall of the installation cavity, the other end of the transmission worm is rotationally connected with the output end of a second motor, the other end of the counterweight screw is in threaded connection with a counterweight block, the counterweight block is slidably arranged on the inner wall of the installation cavity, and the rotation directions of threaded areas on the counterweight screw where the counterweight block and the installation sliding seat are located are opposite.
In one alternative: the turnover mechanism comprises a first gear arranged at one end part of one connecting shaft, the first gear is meshed with a second gear, and the second gear is connected with a turnover motor for driving the turnover motor to rotate.
In one alternative: the tail part of the detection body is provided with a tail lamp, and the surface of the connecting frame is also attached with a reflecting layer.
In one alternative: the power component comprises brushless motors arranged at the end parts of the unmanned aerial vehicle body, each brushless motor output end is provided with a blade, the outer sides of the blades are provided with a fixed inner ring, the fixed inner ring is connected with the brushless motors through positioning rods, the outer sides of the fixed inner rings are rotationally provided with a protective outer ring, and the outer sides of the protective outer rings are provided with rubber layers.
In one alternative: the supporting part is including setting up two landing legs in the unmanned aerial vehicle body outside, the landing leg upper end is fixed with a fourth gear, fourth gear axle head rotates with the unmanned aerial vehicle body outside to be connected, the unmanned aerial vehicle body outside is equipped with the side spout, and it is equipped with a sideslip piece to slide in every side spout, and every side slider outer end is equipped with a switching rack, switching rack lower extreme and fourth gear intermeshing, the landing leg lower extreme rotates and is equipped with a supporting wheel, switching rack connects and is used for driving its lateral shifting's switching push rod, the switching push rod sets up in the unmanned aerial vehicle body outside.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the shooting angle can be turned over and adjusted, so that the product can shoot the bridge deck, the bottom of the bridge deck can be shot, and the side face of the bridge post can be shot, thereby greatly improving the shooting range.
2. The invention optimizes the supporting component, so that the product can walk on the bridge deck, saves energy consumption, can support with the bridge bottom, enables the product to walk on the bridge bottom, and improves the safety of bridge bottom detection.
3. The invention can extend the camera mechanism so as to better acquire bridge deck information, and can keep the gravity center not unbalanced while extending, thereby ensuring the stability of flight.
4. The invention sets the protective structure at the power part position, which not only improves the safety, but also ensures the flying stability when the impact occurs.
5. The invention can expand the image pick-up mechanism and improve the image pick-up width, thereby ensuring the detection efficiency, and can push out the protection mechanism to protect the image pick-up end part.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the other side of the present invention.
Fig. 3 is a schematic view of the structure of the lower side of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the detecting body according to the present invention.
Fig. 5 is a schematic view of the internal structure of the installation slide of the present invention.
Fig. 6 is a schematic diagram of a structure of an image capturing mechanism according to the present invention.
Fig. 7 is a schematic view of another side structure of the image capturing mechanism of the present invention.
Fig. 8 is a schematic view of the structure of the wiping unit of the invention.
Fig. 9 shows the switching state of the bridge deck detection according to the present invention.
Fig. 10 shows the switching state of the bridge bottom detection according to the present invention.
Reference numerals annotate: the detecting body 100, the connecting shaft 101, the connecting frame 102, the reflecting layer 103, the tail lamp 104, the first gear 105, the overturning motor 106, the second gear 107, the mounting cavity 108 and the balancing weight 109;
A power component 200, blades 201, a protective outer ring 202, a fixed inner ring 203 and a brushless motor 204;
The drone body 300;
The camera component 400, the driving worm 401, the driving worm wheel 402, the mounting slide 403, the wiping frame 404, the second motor 405, the counterweight screw 406, the first sprocket 408, the threaded sleeve 409, the third motor 410, the chain 411, the second sprocket 412, the pushing screw 413, the camera 414, the first camera seat board 415, the illuminating lamp 416, the buffer ball 417, the bumper 418, the telescopic slide bar 419, the third gear 420, the driving shaft 421, the tooth socket 422, the second camera seat board 423, the side guide sleeve 425, the positioning riser 426, the locking bolt 427, the mounting insertion hole 428, the wiping bar 429, the wiping surface 430;
A support member 500, a fourth gear 501, a switching push lever 502, a leg 503, a switching rack 504, and a support wheel 505.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
In an embodiment, as shown in fig. 1-10, a detection device for bridge disease detection, including two unmanned aerial vehicle bodies 300, every unmanned aerial vehicle body 300 both ends are equipped with a power component 200 that is used for providing flight power respectively, every unmanned aerial vehicle body 300 outer end is equipped with the supporting part 500 that is used for providing the holding power, the holding power that supporting part 500 provided makes the product walk at the bridge floor, the energy consumption has been reduced, be equipped with a detection body 100 between two unmanned aerial vehicle bodies 300, every unmanned aerial vehicle body 300 side all is equipped with a connecting axle 101, connecting axle 101 rotates with detection body 100 to be connected, connect through link 102 frame between two connecting axles 101, the inside installation cavity 108 that is equipped with of detection body 100, be equipped with the tilting mechanism that is used for driving detection body 100 upset in the installation cavity 108, through tilting mechanism can adjust the operational angle of detection body 100, so as to detect the bridge floor, or bridge post, the detection body 100 front end is equipped with a sliding mouth, and sliding mouth position slides and is equipped with a mounting 403, and be equipped with the terminal part is used for obtaining the terminal part and is used for carrying out the expansion and stretch out the expansion and draw back to the bridge floor, the expansion and contraction and expansion joint is used for carrying out the terminal through the expansion and contraction and expansion joint to the bridge floor, and expansion joint is equipped with the terminal.
The camera component 400 comprises a first camera seat board 415 and a second camera seat board 423, the first camera seat board 415 and the second camera seat board 423 are slidably arranged in side sliding holes in the outer side of the wiping frame 404, a plurality of cameras 414 used for obtaining photos are respectively arranged at the ends of the first camera seat board 415 and the second camera seat board 423, an illumination lamp 416 used for assisting illumination is arranged between the adjacent cameras 414, the first camera seat board 415 and the second camera seat board 423 are connected to drive an unfolding unit which slides towards two sides, a wiping unit used for wiping the surfaces of the illumination lamp 416 and the cameras 414 is arranged at the outer side of the mounting slide seat 403, and a protection mechanism used for protecting the camera mechanism is further arranged at the end of the mounting slide seat 403, so that the camera mechanism is prevented from being impacted in working.
The protection mechanism comprises side guide sleeves 425 arranged at two ends of the inner wall of the mounting sliding seat 403, a telescopic slide rod 419 is horizontally arranged on the side guide sleeves 425 in a sliding manner, a safety rod 418 is arranged at the end part of each telescopic slide rod 419, a plurality of buffer balls 417 are arranged at the end part of each safety rod 418, a push screw 413 is matched in a threaded hole at the other end of each telescopic slide rod 419, the push screw 413 is rotatably arranged at the upper end of a positioning vertical plate 426, the lower end of the positioning vertical plate 426 is fixedly connected with the bottom inside the mounting sliding seat 403, a second sprocket 412 is arranged at the end part of the push screw 413, and the second sprocket 412 is in transmission connection with a first sprocket 408 on a driving shaft 421 through a chain 411, so that when the third motor 410 drives the first camera seat board 415 and the second camera seat board 423 to be unfolded, the second sprocket 412 also rotates along with the first sprocket 415 and the second camera seat board 423, and the telescopic slide rod 419 is pushed out outwards by a threaded pushing force between the push screw 413, so that the buffer balls 417 are pushed out, and the protection mechanism is protected.
The wiping unit comprises a wiping frame 404, the wiping frame 404 is arranged at the middle position of the camera end of the installation sliding seat 403, the wiping frame 404 is of a U-shaped structure, an installation jack 428 is formed at the upper end of the wiping frame 404, a wiping strip 429 is inserted in the installation jack 428 in a sliding manner, a wiping surface 430 is arranged on the surface of the wiping strip 429 facing the camera mechanism, a locking bolt 427 for tightly pressing the wiping strip 429 is arranged on the outer side of the wiping frame 404 in a screwing manner, and when the first camera seat board 415 and the second camera seat board 423 slide, the wiping surface 430 can wipe the camera 414 and the illumination lamp 416, so that the quality of camera shooting and illumination is guaranteed, and the later stage can be realized by replacing the wiping strip 429.
The unfolding unit comprises tooth grooves 422 arranged on the transmission surfaces of the first photographing seat plate 415 and the second photographing seat plate 423, a third gear 420 is meshed between the upper tooth groove 422 and the lower tooth groove 422, the third gear 420 is arranged at one end of a driving shaft 421, the other end of the driving shaft 421 is connected with a third motor 410 used for driving the driving shaft 421 to rotate, the driving shaft 421 is driven by the third motor 410 to rotate, the driving shaft 421 drives the third gear 420 to rotate, and the third gear 420 is matched with the tooth grooves 422 so that the first photographing seat plate 415 and the second photographing seat plate 423 can be unfolded towards two sides or converged towards the middle at the same time.
The telescopic mechanism comprises a weight screw 406, one end of the weight screw 406 is matched with a thread sleeve 409 on the installation slide seat 403, the middle position of the weight screw 406 is rotationally connected with a center block at the bottom in the installation cavity 108, a transmission worm wheel 402 is coaxially arranged on the weight screw 406, the transmission worm wheel 402 is meshed with the transmission worm 401, one end of the transmission worm 401 is rotationally connected with the inner wall of the installation cavity 108, the other end of the transmission worm 401 is rotationally connected with the output end of the second motor 405, the other end of the weight screw 406 is in threaded connection with the weight block 109, the weight block 109 is slidably arranged on the inner wall of the installation cavity 108, the rotation directions of thread areas on the weight block 109 and the weight screw 406 where the installation slide seat 403 are located are opposite, when the weight screw 406 rotates, the weight block 109 and the installation slide seat 403 can move reversely, so that the gravity center of the whole device can not be unbalanced when the installation slide seat 403 stretches out, and the device flies more stably.
The turnover mechanism comprises a first gear 105 arranged at the end part of one connecting shaft 101, the first gear 105 is meshed with a second gear 107, the second gear 107 is connected with a turnover motor 106 for driving the turnover motor to rotate, the turnover motor 106 drives the second gear 107 to rotate, and the second gear 107 is matched with the first gear 105 to drive the connecting shaft 101 to rotate, so that the unmanned aerial vehicle body 300 is turned over.
The tail part of the detecting body 100 is provided with a tail lamp 104 for prompting the following driving attention, and the surface of the connecting frame 102 is also attached with a reflecting layer 103.
The power component 200 comprises brushless motors 204 arranged at the end parts of an unmanned aerial vehicle body 300, each brushless motor 204 is provided with a blade 201 at the output end, a fixed inner ring 203 is arranged outside each blade 201, each fixed inner ring 203 is connected with the corresponding brushless motor 204 through a positioning rod, a protective outer ring 202 is rotatably arranged outside each fixed inner ring 203, a rubber layer is arranged outside each protective outer ring 202, each blade 201 is protected through the corresponding protective outer ring 202, the corresponding blade 201 is prevented from being in direct contact with an obstacle, the protective outer rings 202 are rotatably connected with the corresponding fixed inner ring 203, and when the corresponding protective outer rings collide with a wall, friction force is not generated to cause unmanned aerial vehicle rotation, so that flight stability is better.
The supporting part 500 is including setting up two landing legs 503 in the unmanned aerial vehicle body 300 outside, landing leg 503 upper end is fixed with a fourth gear 501, fourth gear 501 axle head rotates with the unmanned aerial vehicle body 300 outside to be connected, the unmanned aerial vehicle body 300 outside is equipped with the side spout, slides in every side spout and is equipped with a sideslip piece, and every side slider outer end is equipped with a switching rack 504, switching rack 504 lower extreme and fourth gear 501 intermesh, landing leg 503 lower extreme rotation is equipped with a supporting wheel 505, switching rack 504 connects and is used for driving its lateral shifting's switching push rod 502, switching push rod 502 sets up in the unmanned aerial vehicle body 300 outside, drives switching rack 504 sideslip through switching push rod 502, under switching rack 504's drive, fourth gear 501 drives landing leg 503 and rotates, in the time of flight, rotates landing leg 503 to the horizontality, and in the bridge floor the time of walking, thereby support the product, for the detection provides the holding power, and as shown in fig. 9, when detecting at the bridge bottom, can make landing leg 503 rotate upwards and make supporting wheel 505 hug closely to power part 200 as shown under the bridge bottom protection part 10.
The embodiment discloses a detection device for bridge disease detection, when in actual use, the power component 200 is used for providing flight power, when the upper end face of a bridge is detected, the turnover mechanism is used for driving the detection body 100 to turn downwards, the support component 500 and the ground support are used for enabling the whole product to walk along the bridge deck without flying, the energy consumption is reduced, and the image information of the bridge deck is obtained through the camera shooting mechanism; when information is acquired, when the unfolding unit drives the first photographing seat plate 415 and the second photographing seat plate 423 to unfold, the second chain wheel 412 rotates together, the screw thread pushing force between the pushing screw 413 and the telescopic slide rod 419 can push the telescopic slide rod 419 outwards, so that the buffer ball 417 is pushed out, the photographing mechanism is protected, the unfolding amplitude is larger, the scanning path is wider, and the detection efficiency is improved;
when the bottom of the bridge is detected, the product flies to the lower end of the bridge deck, then contacts with the bottom of the bridge deck through the supporting component 500, then drives the detecting body 100 to overturn upwards through the overturning mechanism, and the detecting body 100 walks along the bottom of the bridge through the power component 200, so that the bottom of the bridge deck is inspected;
When the bridge column is detected, the detection body 100 is adjusted to be in a horizontal state through the turnover mechanism, so that the camera shooting mechanism faces the surface of the bridge column, and then the power component 200 is controlled, so that the detection body 100 moves vertically, and quality inspection is performed on the side surface of the bridge column;
and transmitting the acquired photo information to a control terminal, wherein a comparison module in the control terminal can compare the acquired photo with a pre-stored disease photo, so that the disease condition of the bridge deck is judged.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. The detection equipment for bridge disease detection comprises two unmanned aerial vehicle bodies (300), wherein two ends of each unmanned aerial vehicle body (300) are respectively provided with a power component (200) for providing flying power, the outer end of each unmanned aerial vehicle body (300) is provided with a supporting component (500) for providing supporting force, and a detection body (100) is arranged between the two unmanned aerial vehicle bodies (300);
The unmanned aerial vehicle is characterized in that each unmanned aerial vehicle body (300) side is provided with a connecting shaft (101), the connecting shafts (101) are rotationally connected with the detection bodies (100), two connecting shafts (101) are connected through a connecting frame (102) in a bridging mode, an installation cavity (108) is formed in each detection body (100), a turnover mechanism used for driving the detection bodies (100) to turn over is arranged in each installation cavity (108), the working angle of the detection bodies (100) can be adjusted through the turnover mechanism so as to detect bridge floors, bridge bottoms or bridge columns, a sliding opening is formed in the front end of each detection body (100), an installation sliding seat (403) is arranged at the position of each sliding opening in a sliding mode, an image pickup part (400) used for acquiring bridge floor information is arranged at the end of each installation sliding seat (403), the installation sliding seat (403) is connected with a telescopic mechanism used for driving the corresponding installation sliding seat to extend out, and a wireless module used for interacting with a control terminal is further arranged on each detection body (100).
2. The detection device for bridge defect detection according to claim 1, wherein the image pickup unit (400) comprises a first image pickup seat plate (415) and a second image pickup seat plate (423), the first image pickup seat plate (415) and the second image pickup seat plate (423) are slidably arranged in sideslip holes on the outer side of the wiping frame (404), a plurality of cameras (414) for acquiring photos are respectively arranged at the ends of the first image pickup seat plate (415) and the second image pickup seat plate (423), an illuminating lamp (416) for assisting illumination is arranged between the adjacent cameras (414), the first image pickup seat plate (415) and the second image pickup seat plate (423) are connected to drive an unfolding unit for sliding the first image pickup seat plate and the second image pickup seat plate (423) to the two sides, a wiping unit for wiping the surfaces of the illuminating lamp (416) and the cameras (414) is arranged on the outer side of the mounting slide (403), and a protection mechanism for protecting the imaging mechanism is further arranged at the ends of the mounting slide (403).
3. The detection device for bridge defect detection according to claim 2, wherein the protection mechanism comprises side guide sleeves (425) arranged at two ends of the inner wall of the installation slide seat (403), a telescopic slide rod (419) is horizontally arranged on the side guide sleeves (425) in a sliding mode, a safety rod (418) is arranged at the end of each telescopic slide rod (419), a plurality of buffer balls (417) are arranged at the end of each safety rod (418), a pushing screw (413) is matched with a threaded hole at the other end of each telescopic slide rod (419), the pushing screw (413) is rotatably arranged at the upper end of the corresponding positioning vertical plate (426), the lower end of the corresponding positioning vertical plate (426) is fixedly connected with the inner bottom of the installation slide seat (403), and a second sprocket (412) is arranged at the end of the corresponding pushing screw (413) and is in transmission connection with the first sprocket (408) on the driving shaft (421) through a chain (411).
4. The detection device for bridge defect detection according to claim 2, wherein the wiping unit comprises a wiping frame (404), the wiping frame (404) is arranged at the middle position of the shooting end of the installation sliding seat (403), the wiping frame (404) is of a U-shaped structure, an installation jack (428) is formed in the upper end of the wiping frame (404), a wiping strip (429) is inserted in the installation jack (428) in a sliding manner, a wiping surface (430) is arranged on the surface of the wiping strip (429) facing the shooting mechanism, and a locking bolt (427) for pressing the wiping strip (429) is arranged on the outer side of the wiping frame (404) in a rotating manner.
5. The detecting device for bridge defect detection according to claim 2, wherein the unfolding unit comprises tooth grooves (422) arranged on the transmission surfaces of the first camera seat plate (415) and the second camera seat plate (423), a third gear (420) is meshed between the upper tooth groove (422) and the lower tooth groove (422), the third gear (420) is arranged at one end of a driving shaft (421), and the other end of the driving shaft (421) is connected with a third motor (410) for driving the driving shaft to rotate.
6. The detection device for bridge defect detection according to claim 1, wherein the telescopic mechanism comprises a weight screw (406), one end of the weight screw (406) is matched with a threaded sleeve (409) on the installation sliding seat (403), the middle position of the weight screw (406) is rotationally connected with a central block at the inner bottom of the installation cavity (108), a transmission worm wheel (402) is coaxially arranged on the weight screw (406), the transmission worm wheel (402) is meshed with the transmission worm (401), one end of the transmission worm (401) is rotationally connected with the inner wall of the installation cavity (108), the other end of the transmission worm (401) is rotationally connected with the output end of the second motor (405), the other end of the weight screw (406) is in threaded connection with the weight block (109), and the weight block (109) is slidably arranged on the inner wall of the installation cavity (108) and the rotation directions of threaded areas on the weight screw (406) where the weight block (109) and the installation sliding seat (403) are located are opposite.
7. The detection device for bridge defect detection according to claim 1, wherein the turnover mechanism comprises a first gear (105) arranged at the end of one of the connecting shafts (101), the first gear (105) is meshed with a second gear (107), and the second gear (107) is connected with a turnover motor (106) for driving the turnover motor to rotate.
8. The detection device for bridge defect detection according to claim 1, wherein the power component (200) comprises brushless motors (204) arranged at the end parts of the unmanned aerial vehicle body (300), each brushless motor (204) is provided with a blade (201) at the output end, a fixed inner ring (203) is arranged outside each blade (201), the fixed inner ring (203) is connected with the brushless motor (204) through a positioning rod, a protective outer ring (202) is rotatably arranged outside the fixed inner ring (203), and a rubber layer is arranged outside the protective outer ring (202).
9. The detection device for bridge defect detection according to claim 1, wherein the supporting component (500) comprises two supporting legs (503) arranged on the outer side of the unmanned aerial vehicle body (300), a fourth gear (501) is fixed on the upper end of each supporting leg (503), the shaft end of each fourth gear (501) is rotationally connected with the outer side of the unmanned aerial vehicle body (300), side sliding grooves are formed in the outer side of the unmanned aerial vehicle body (300), a side sliding block is slidably arranged in each side sliding groove, a switching rack (504) is arranged at the outer end of each side sliding block, the lower ends of the switching racks (504) are meshed with the fourth gear (501), a supporting wheel (505) is rotationally arranged at the lower ends of the supporting legs (503), the switching racks (504) are connected with a switching pushing rod (502) for driving the switching pushing rod to transversely move, and the switching pushing rod (502) is arranged on the outer side of the unmanned aerial vehicle body (300).
10. A method of using the detection apparatus for bridge disease detection as claimed in any one of claims 1 to 7, comprising the steps of:
step one: when the upper end face of the bridge is detected, the turnover mechanism drives the detection body (100) to turn downwards, and the whole product walks along the bridge deck without flying through the support of the support component (500) and the ground;
Step two: when the bottom of the bridge is detected, the product flies to the lower end of the bridge deck, then contacts with the bottom of the bridge deck through the supporting component (500), then drives the detecting body (100) to overturn upwards through the overturning mechanism, and the detecting body (100) walks along the bottom of the bridge through the power component (200), so that the bottom of the bridge deck is inspected;
Step three: when detecting the bridge, adjust detection body (100) to the horizontality through tilting mechanism for camera mechanism is towards bridge surface, then control power component (200), make the vertical removal of detection body (100), thereby carry out the quality control to the bridge side.
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| CN202410159762.XA CN117699085B (en) | 2024-02-04 | 2024-02-04 | Detection equipment and method for bridge disease detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410159762.XA CN117699085B (en) | 2024-02-04 | 2024-02-04 | Detection equipment and method for bridge disease detection |
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| CN117699085B true CN117699085B (en) | 2024-04-19 |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102966038A (en) * | 2012-11-23 | 2013-03-13 | 南京理工大学 | Bridge detecting robot based on negative-pressure absorption |
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