CN116359225A - Concrete crack detection device and detection method - Google Patents
Concrete crack detection device and detection method Download PDFInfo
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- CN116359225A CN116359225A CN202310334069.7A CN202310334069A CN116359225A CN 116359225 A CN116359225 A CN 116359225A CN 202310334069 A CN202310334069 A CN 202310334069A CN 116359225 A CN116359225 A CN 116359225A
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
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- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
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- 230000001737 promoting effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 9
- 238000007689 inspection Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
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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
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The utility model relates to a field that concrete detected discloses a concrete crack detection device and detection method, it includes walking frame, bearing mechanism and detection mechanism, walking frame walks on the bridge floor, bearing mechanism includes supporting pole and bearing frame, the supporting pole is connected on the walking frame, the bearing frame is connected on the supporting pole, the bearing frame is located the position of bridge bottom, detection mechanism includes band conveyer, camera and display, band conveyer connects on the bearing frame, camera sliding connection is in on the bearing frame, the camera with band conveyer is connected, band conveyer is used for driving the camera removes, the display is connected on the walking frame, the camera with the display electricity is connected. The application has the effects of reducing the working strength of detection personnel and improving the convenience of detecting the concrete cracks at the bottom of the bridge.
Description
Technical Field
The application relates to the field of concrete detection, in particular to a concrete crack detection device and a detection method.
Background
The concrete is one of the most main building materials with the largest dosage in the building engineering such as bridges and the like, has the characteristics of rich raw materials, low price, high compressive strength, good durability, wide strength grade range and the like.
In the use process of the concrete bridge, the concrete bridge is affected by the structure of the bridge, so that concrete cracks are often generated, the concrete cracks are a main hazard of the concrete structure, and the concrete bearing capacity, durability and waterproofness of the concrete bridge can be reduced by the cracks, so that workers need to detect the concrete cracks on the bridge, and repair and maintain the concrete bridge in time.
At present, the concrete crack at the bottom of the bridge is detected mostly through a bridge detection vehicle, a driver firstly drives the bridge detection vehicle to the bridge deck, then a truss arm of the bridge detection vehicle stretches into the bottom of the bridge, and then the detection personnel observe and detect the concrete crack at the bottom of the bridge in a walking mode on the truss arm, so that the detection of the concrete crack at the bottom of the bridge is realized.
Aiming at the related technology, the inventor finds that the detection personnel moves back and forth on the truss arm of the bridge detection vehicle to detect the concrete crack at the bottom of the bridge, and the working strength of the detection personnel is higher due to the fact that the length of the bridge is longer, so that the defect that the detection of the concrete crack at the bottom of the bridge is difficult exists.
Disclosure of Invention
In order to alleviate the problem that concrete cracks at the bottom of a bridge are difficult to detect, the application provides a concrete crack detection device and a concrete crack detection method.
First aspect
The application provides a concrete crack detection device adopts following technical scheme:
the utility model provides a concrete crack detection device includes walking frame, bearing mechanism and detection mechanism, the walking of walking frame is on the bridge floor, bearing mechanism includes supporting pole and bearing frame, the supporting pole is connected on the walking frame, the bearing frame is connected on the supporting pole, the bearing frame is located the position of bridge bottom, detection mechanism includes band conveyer, camera and display, band conveyer connects on the bearing frame, camera sliding connection is in on the bearing frame, the camera with band conveyer connects, band conveyer is used for driving the camera removes, the display is connected on the walking frame, the camera with the display electricity is connected.
Through adopting above-mentioned technical scheme, set up band conveyer on the bearing frame, when detecting the concrete crack of bridge bottom, at first with the bearing frame and the band conveyer setting on the bearing frame in the below of bridge, then start band conveyer, utilize band conveyer to drive camera reciprocating motion, can shoot the bridge bottom and transmit to the display, the inspection crew can detect bridge bottom concrete crack through the picture that the display observation camera shot, reduce inspector's working strength, improve the convenience that bridge bottom concrete crack detected.
Preferably, the support rod is rotatably connected with a rotating rod, the rotating axis of the rotating rod is perpendicular to the bridge deck, the support frame is connected to the rotating rod, the support rod is provided with a rotating assembly, and the rotating assembly is connected with the rotating rod to drive the rotating rod to rotate.
Through adopting above-mentioned technical scheme, connect the bearing frame on the dwang, utilize rotating assembly drive dwang to rotate and can drive bearing frame and band conveyer rotation to stretch into the length of bridge below to the bearing frame and adjust, avoid the pier to cause blocking the antedisplacement of bearing frame, improve the flexibility that detection device used.
Preferably, the supporting rod is slidably connected to the walking frame, the supporting rod slides along the direction vertical to the bridge deck, a driving piece is arranged on the walking frame, and the driving piece is connected with the supporting rod to drive the supporting rod to lift; the utility model discloses a bearing frame, including the connecting rod, the connecting rod is connected with the connecting rod, fixedly connected with connecting block on the dwang, the connecting rod with bearing frame fixed connection, be provided with power component on the connecting block, power component with the connecting rod is connected in order to drive the connecting rod rotates.
Through adopting above-mentioned technical scheme, pass through the connecting rod with the bearing frame and rotate and connect on the connecting block, detect the in-process at the bridge, utilize power pack drive connecting rod to rotate 90 degrees, can drive the bearing frame and rotate 90 degrees to make the camera rotate 90 degrees, make the camera towards the pier, then utilize driving piece drive bearing pole to go up and down to drive the camera and go up and down and can detect the concrete crack on the pier, improve detection device to the comprehensiveness that the bridge detected.
Preferably, the measuring mechanism is arranged on the bearing frame and comprises a sliding plate, a sucker, a pushing assembly and a detector, the sliding plate is slidably connected on the bearing frame, the sliding plate is fixedly connected with a conveying belt on the belt conveyor, the camera is fixedly connected on the sliding plate, the sucker is slidably connected on the sliding plate, the pushing assembly is used for pushing the sucker to move so that the sucker is adsorbed on a bridge, the detector comprises a detector body and two probes, the detector body is fixedly connected on the walking frame, the two probes are connected on the sliding plate, and the two probes are electrically connected with the detector body.
Through adopting above-mentioned technical scheme, when the staff observes the concrete crack of bridge bottom through the display, starts the promotion subassembly, utilizes the promotion subassembly to promote the sucking disc and removes, makes the sucking disc adsorb on the bridge, guarantees the stability of bearing frame, then utilizes the promotion subassembly to laminate two probes of detector body in the cracked both sides of concrete, can detect the cracked degree of depth of concrete, and the detection personnel of being convenient for master the concrete crack condition of cracking.
Preferably, the pushing assembly comprises an electric pushing cylinder, a pushing plate and a spring, wherein the electric pushing cylinder is fixedly connected to the pushing plate, the pushing plate is fixedly connected to a piston rod of the electric pushing cylinder, the two probes are connected to the pushing plate, the spring is fixedly connected between the pushing plate and the sucker, and the spring is used for pushing the sucker to move.
Through adopting above-mentioned technical scheme, all set up on the fly leaf with two probes, after detecting the concrete crack of bridge bottom surface, utilize band conveyer to drive two probes and remove to the both sides of concrete crack, then start electric push jar, the piston rod extension of electric push jar drives the fly leaf and removes, the fly leaf removes will at first promote the sucking disc through the spring and remove, make the sucking disc adsorb on the bridge, then continue to promote the fly leaf and remove and can compress the spring, simultaneously can promote two probes and continue to remove, then laminate on the bridge, can detect bridge concrete crack degree of depth.
Preferably, a turntable is arranged on the pushing plate, the turntable is rotationally connected to the pushing plate, a fourth motor is fixedly connected to the pushing plate, the fourth motor is in transmission connection with the turntable, and two probes are connected to the turntable; the device comprises a turntable, and is characterized in that an adjusting component is arranged on the turntable and comprises a third motor, a bidirectional screw rod and two sliding blocks, the third motor is fixedly connected to the turntable, the bidirectional screw rod is rotationally connected to the turntable, the two sliding blocks are slidably connected to the turntable, the two sliding blocks are connected with threads of the bidirectional screw rod, the two sliding blocks are opposite in rotation direction to threads of the bidirectional screw rod, the two probe heads are in one-to-one correspondence with the two sliding blocks, and the probe heads are fixedly connected to the corresponding sliding blocks.
By adopting the technical scheme, the two probes are respectively arranged on the two sliding blocks, and when the depth of the concrete crack is detected, the two probes can be driven to rotate by using the fourth motor to drive the turntable to rotate, so that the probes can detect the concrete crack in different directions; the third motor is started, the distance between the two sliding blocks can be adjusted by driving the bidirectional screw rod to rotate through the third motor, so that the distance between the two probes is adjusted, repeated measurement of concrete cracks can be realized, and the accuracy of depth detection of the concrete cracks is improved.
Preferably, the width testing mechanism is arranged on the sliding plate and comprises a guide sleeve, a jacking block and a transmission assembly, the guide sleeve is fixedly connected to the sliding plate, the jacking block is slidably connected to the guide sleeve, a soft mud layer is arranged on the jacking block, the transmission assembly is connected to the sliding plate, the transmission assembly is connected with the jacking block, and the transmission assembly is used for driving the jacking block to slide.
Through adopting above-mentioned technical scheme, set up the soft mud layer on the jacking piece, after the inspection personnel detects the concrete crack of bridge bottom through the display, drive the jacking piece through the slip board and remove to the cracked position of bridge, under the direction effect of uide bushing, utilize the drive assembly drive jacking piece to remove and can make the soft mud layer on the jacking piece laminate with the bridge bottom, can utilize the soft mud layer to lay down the profile rubbing on the concrete crack, then the inspection personnel is through measuring the crack profile on the soft mud layer, can accomplish the detection to crack width and crack trend, improve the comprehensiveness to concrete crack detection.
Preferably, the transmission assembly comprises a third gear and two racks, the third gear is rotationally connected to the sliding plate, one of the racks is fixedly connected with the jacking block, the other rack is fixedly connected with the pushing plate, the lengths of the two racks are parallel to the sliding direction of the pushing plate, and the two racks are meshed with the third gear.
Through adopting above-mentioned technical scheme, when the electricity pushes away jar promotes the impeller plate and moves to being close to cracked direction, fixed connection's rack on the impeller plate will drive third gear and rotate, and third gear rotates and will drive another rack and reverse the removal to drive on the jacking piece along the direction of keeping away from the concrete crack and remove, realize the reciprocal lifting of impeller plate and jacking piece, can realize the synchronous drive to the jacking piece.
Preferably, the support frame is provided with a leveling component for leveling the soft mud layer on the jacking block, the leveling component comprises a support and a leveling roller, the support is fixedly connected to the support frame, and the leveling roller is rotationally connected to the support.
Through adopting above-mentioned technical scheme, rotate on the carrier plate and connect the leveling roller, after finishing one of them concrete crack detection, drive the slip board reciprocating motion at band conveyer and continue to detect the process to the concrete crack of bridge bottom, the soft mud layer will follow the removal of slip board from the lower part reciprocating motion of leveling roller, can make the leveling roller to level the soft mud layer for the ability used repeatedly of soft mud layer.
In a second aspect, the present application provides a method for detecting a concrete crack, which adopts the following technical scheme:
a concrete crack detection method comprises the following steps:
s1: installing equipment; the walking frame is moved on the bridge deck, and the bearing frame and the belt conveyor are arranged at the bottom of the bridge;
s2: detecting the position of a concrete crack; starting a belt conveyor, driving a camera to reciprocate through the belt conveyor to detect the cracking position of the bottom of the bridge, and determining the position of the concrete crack by a detector through a display;
s3: detecting the depth of a concrete crack; starting a detector body through the detected position of the concrete crack, and detecting the depth of the concrete crack through the detector body with the aid of a camera;
s4: detecting the width of a concrete crack; in the process of driving two probes on the detector body to move back, the jacking block is driven to move simultaneously, so that the soft mud layer on the jacking block rubs the shape of the concrete crack, and then the soft mud layer is driven to move to one side of the bridge deck, so that the detection personnel can measure the shape of the rubs.
The detector first sets up the bearing frame below the bridge, utilizes band conveyer to drive camera reciprocating motion, can make the camera detect the concrete crack to bridge bottom along with the removal of walking frame, after detecting the concrete crack, utilizes the detector body to detect the cracked degree of depth of concrete on the bridge, then utilizes the soft mud layer on the jacking piece to carry out the rubbing to the concrete crack, and the detector can detect cracked width and trend according to the cracked profile on the soft mud layer.
In summary, the present application at least includes the following beneficial technical effects:
1. when detecting the concrete cracks at the bottom of the bridge, the belt conveyor is started firstly, the camera is driven by the belt conveyor to reciprocate, the bottom of the bridge can be shot and transmitted to the display, a detector can detect the concrete cracks at the bottom of the bridge by observing pictures shot by the camera through the display, the working intensity of the detector is reduced, and the convenience of detecting the concrete cracks at the bottom of the bridge is improved;
2. the connecting rod is rotationally connected to the connecting block, the power assembly is used for driving the connecting rod to rotate for 90 degrees, so that the bearing frame can be driven to overturn, the camera is rotated for 90 degrees, the camera faces the bridge pier, and then the driving piece is used for driving the bearing rod to lift and drive the camera to lift, so that concrete cracks on the bridge pier can be detected, and the comprehensiveness of the bridge detection by the detection device is improved;
3. through setting up the soft mud layer on the jacking piece, utilize the soft mud layer to carry out rubbing to the profile on the concrete crack, then the inspector is through measuring the crack profile on the soft mud layer, can accomplish the detection to crack width and crack trend, improves the comprehensiveness to concrete crack detection.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a support mechanism according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a rotating assembly according to an embodiment of the present application;
FIG. 4 is a schematic view of a support frame according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of the structure of the measuring mechanism in an embodiment of the present application;
FIG. 6 is a schematic view of the structure of the suction cup in an embodiment of the present application;
FIG. 7 is a schematic view of a structure of a rotor in an embodiment of the present application;
FIG. 8 is a schematic structural view of an adjustment assembly in an embodiment of the present application;
fig. 9 is a schematic structural view of a transmission assembly in an embodiment of the present application.
Reference numerals: 100. a walking frame; 110. a support plate; 200. a bearing mechanism; 210. a support rod; 220. a bearing frame; 230. a rotating lever; 240. a rotating assembly; 241. a first motor; 242. a first gear; 250. a driving member; 251. a hoist; 260. a connecting block; 270. a connecting rod; 280. a power assembly; 281. a second motor; 282. a second gear; 300. a detection mechanism; 310. a camera; 320. a display; 330. a belt conveyor; 400. a measuring mechanism; 410. a slip plate; 420. a fixed rod; 421. a sliding rod; 422. a suction cup; 430. a pushing assembly; 431. an electric pushing cylinder; 432. a pushing plate; 433. a spring; 434. a detector; 435. a detector body; 436. a probe; 440. a turntable; 450. a fourth motor; 460. an adjustment assembly; 461. a third motor; 462. a bidirectional screw rod; 463. a slide block; 500. a guide sleeve; 510. a jacking block; 520. a soft mud layer; 540. a transmission assembly; 541. a third gear; 542. a rack; 600. leveling the assembly; 610. a bracket; 620. leveling rollers.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-9.
The embodiment of the application discloses a concrete crack detection device and a detection method.
Referring to fig. 1 and 2, a concrete crack detection device includes a walking frame 100, the walking frame 100 is located at a position close to one side of a bridge, a support plate 110 is connected to a fixing plate on the walking frame 100, the support plate 110 is horizontally arranged, the support plate 110 extends to the outer side of the bridge, a bearing mechanism 200 is mounted on the support plate 110, a detection mechanism 300 is mounted on the bearing mechanism 200, and the detection mechanism 300 is used for detecting concrete cracks at the bottom of the bridge.
Referring to fig. 1, 2 and 3, the bearing mechanism 200 includes a bearing rod 210, the bearing rod 210 is vertically disposed, a bearing frame 220 is mounted on the bearing rod 210, and the bearing frame 220 extends into the lower portion of the bottom surface of the bridge. The detection mechanism 300 comprises a belt conveyer 330, the belt conveyer 330 is fixedly connected to the bearing frame 220, the belt conveyer 330 is arranged along the length direction of the bearing frame 220, the bearing frame 220 is slidably connected with a camera 310, the belt conveyer 330 drives the camera 310 to slide, the camera 310 is used for shooting the bottom condition of a bridge, the walking frame 100 is fixedly connected with a display 320, the camera 310 is electrically connected with the display 320, and the display 320 is used for displaying pictures shot by the camera 310.
Referring to fig. 2 and 4, in order to prevent the bridge pier from blocking the bearing frame 220, a rotating rod 230 is penetrated at the lower end of the bearing rod 210, the rotating rod 230 is coaxially arranged with the bearing rod 210, the rotating rod 230 rotates along the axis direction of the rotating rod 230, the lower end of the rotating rod 230 is fixedly connected with a connecting block 260, and the bearing frame 220 is mounted on the connecting block 260. The support rod 210 is provided with a rotating assembly 240, and the rotating assembly 240 is used for driving the rotating rod 230 to rotate.
The rotating assembly 240 comprises a first motor 241 fixedly connected to one side of the supporting rod 210, a first gear 242 is coaxially and fixedly connected to a main shaft of the first motor 241, another first gear 242 is coaxially and fixedly connected to the rotating rod 230, and the two first gears 242 are engaged and connected. In the process of detecting concrete cracks at the bottom of the bridge deck by the driving detection mechanism 300 through the moving walking frame 100, when the bridge pier is blocked by the movement of the detection mechanism 300, the first motor 241 is started, the first gear 242 which is fixedly connected with the main shaft of the first motor 241 in a coaxial manner is utilized to rotate, the driving of the rotating rod 230 is realized through the matching of the two first gears 242, the supporting frame 220 is driven to rotate outwards, the length of the supporting frame 220 extending into the bottom of the bridge is reduced, the possibility that the bridge pier blocks the movement of the detection device is avoided, and the efficiency of detecting the bottom of the bridge is ensured.
Referring to fig. 1, 2 and 4, in order to improve the applicability of the inspection apparatus, the inspection mechanism 300 is capable of inspecting piers at the same time, the support bar 210 is slidably connected to the support plate 110, the support bar 210 moves along its own length direction, the support plate 110 is mounted with the driving member 250, and the driving member 250 drives the support bar 210 to move. In this embodiment, the driving member 250 is a winch 251, and a pull rope on the winch 251 is fixedly connected with the support rod 210.
One end of the bearing frame 220, which is close to the connecting block 260, is fixedly connected with a connecting rod 270, the connecting rod 270 is parallel to the length direction of the bearing frame 220, the connecting rod 270 is arranged on the connecting block 260 in a penetrating way, the connecting rod 270 is connected on the connecting block 260 in a rotating way, a power assembly 280 is arranged on the connecting block 260, and the power assembly 280 is used for driving the rotating rod 230 to rotate. When the bridge detection device is used, the power assembly 280 is used for driving the connecting rod 270 to rotate 90 degrees, the connecting rod 270 can be used for driving the bearing frame 220 to rotate 90 degrees, so that the camera 310 on the conveying belt faces towards a bridge pier, then the winch 251 is started, the bearing frame 220 can be driven to lift by utilizing the retraction and extension of the pull rope on the winch 251, so that the bearing frame 220 can drive the camera 310 to lift, the camera 310 can detect the side face of the bridge pier, and the comprehensiveness of the bridge detection device for bridge detection is improved.
Referring to fig. 4, the power assembly 280 includes a second motor 281 fixedly connected to the connection block 260, a second gear 282 coaxially and fixedly connected to a main shaft of the second motor 281, another second gear 282 coaxially and fixedly connected to the connection rod 270, and the two second gears 282 are engaged with each other. The second gear 282, which is coaxially and fixedly connected with the main shaft rotation of the second motor 281, is utilized to rotate, and the driving of the connecting rod 270 is realized through the cooperation of the two second gears 282, so that the rotation of the bearing frame 220 is realized.
Referring to fig. 3 and 5, in order to facilitate grasping specific parameters of the detected concrete crack, the supporting frame 220 is provided with the measuring mechanism 400, the measuring mechanism 400 includes a sliding plate 410 slidably connected to the supporting frame 220, the sliding plate 410 is fixedly connected to a conveyor belt on the belt conveyor 330, the camera 310 is fixedly connected to the sliding plate 410, four fixing rods 420 are fixedly connected to the sliding plate 410, the four fixing rods 420 are arranged at intervals of the sliding plate 410, one end of each fixing rod 420 far away from the sliding plate 410 is provided with a sliding rod 421 in a penetrating manner, the sliding rods 421 are slidably connected to the corresponding fixing rods 420, one end of each sliding rod 421 far away from the fixing rod 420 is fixedly connected with a sucker 422, the sliding plate 410 is provided with a pushing assembly 430, and the pushing assembly 430 is used for pushing the two suckers 422 to move.
Referring to fig. 5 and 6, the pushing assembly 430 includes two electric pushing cylinders 431 fixedly connected to the moving plate, the two electric pushing cylinders 431 are vertically disposed, a pushing plate 432 is fixedly connected to a piston rod of the two electric pushing cylinders 431, the pushing plate 432 is sleeved on the outer sides of the two sliding rods 421, and the pushing plate 432 is slidably connected with the four sliding rods 421. The outside of each sliding rod 421 is sleeved with a spring 433, one end of each spring 433 is fixedly connected with the sliding rod 421, and the other end of each spring 433 is fixedly connected with a sucker 422 corresponding to the other end of each spring 433. The walking frame 100 is provided with a detector 434, in this embodiment, an HC-CS201 type concrete crack depth detector is used, the detector 434 comprises a detector body 435 fixedly connected to the walking frame 100, the pushing plate 432 is provided with two probes 436, and the two probes 436 are electrically connected with the detector body 435. After the staff observes the bridge crack through display 320, remove measuring mechanism 400 to bridge concrete crack position, then start electric push cylinder 431, the piston rod extension of electric push cylinder 431 promotes sucking disc 422 and removes, thereby make sucking disc 422 adsorb on the bridge, guarantee measuring mechanism 400's stability, then continue to promote the promotion and promote the board 432 and remove, the spring 433 compresses under the promotion of promote board 432, and exert pressure to sucking disc 422, improve sucking disc 422's stability, then two probes 436 drive under promote the board 432 with the butt on the bridge, and be located the position of concrete crack both sides, then can detect the degree of depth of concrete crack on the bridge, improve the convenience to bridge crack detection.
Referring to fig. 5, 7 and 8, a turntable 440 is rotatably connected to the push plate 432, a fourth motor 450 is fixedly connected to the push plate 432, and a spindle of the fourth motor 450 is fixedly connected to the turntable 440. The rotating disc 440 is provided with an adjusting component 460, the adjusting component 460 comprises a third motor 461 fixedly connected to the pushing plate 432, a spindle of the third motor 461 is fixedly connected with a bidirectional screw rod 462 in a coaxial and fixed mode, the bidirectional screw rod 462 is rotatably connected to the pushing plate 432, two sliding blocks 463 are connected to the bidirectional screw rod 462 in a threaded mode, threads of the two sliding blocks 463 connected to the bidirectional screw rod 462 are opposite in rotation direction, the two sliding blocks 463 are slidably connected to the pushing plate 432, the two sliding blocks 463 and the two probes 436 are in one-to-one correspondence, and the probes 436 are fixedly connected to the corresponding sliding blocks 463. In the process of detecting the depth of the concrete crack, the third motor 461 is started, the spindle of the third motor 461 is utilized to rotate to drive the bidirectional screw 462 which is coaxially and fixedly connected with the third motor 461 to rotate, and the two sliding blocks 463 can be driven to move along the direction of approaching or separating from each other, so that the distance between the two probes 436 is adjusted, the detection range of the depth of the concrete crack is improved, and the accuracy of the depth detection of the concrete crack is improved.
Referring to fig. 7 and 9, a guide sleeve 500 is fixedly connected to the sliding plate 410, the guide sleeve 500 is arranged along the direction perpendicular to the sliding plate 410, the guide sleeve 500 is of a rectangular frame structure, a jacking block 510 is slidably connected to the guide sleeve 500, the jacking block 510 slides along the length direction of the guide sleeve 500, a soft mud layer 520 is fixedly connected to one side, away from the sliding plate 410, of the jacking block 510, and the soft mud layer 520 is used for rubbing the contour of a concrete crack. The sliding plate 410 is provided with a transmission assembly 540, and the transmission assembly 540 is used for driving the jacking block 510 to slide.
The transmission assembly 540 includes a third gear 541 rotatably connected to the sliding plate 410, where the third gear 541 is located between the pushing plate 432 and the guide sleeve 500, one rack 542 is fixedly connected to the pushing plate 432, another rack 542 is fixedly connected to the jacking block 510, both racks 542 are meshed with the third gear 541, and both racks 542 are located at positions on two sides of the third gear 541. After detecting the position of the concrete crack at the bottom of the bridge, a detector starts the electric push cylinder 431 to drive the push plate 432 to move upwards to detect the depth of the concrete crack, meanwhile drives the rack 542 fixedly connected with the electric push cylinder to move, then drives the third gear 541 to rotate, so that the third gear 541 drives the other rack 542 to move reversely, then drives the jacking block 510 to move reversely, so that the jacking block 510 drives the soft mud layer 520 to move in a direction away from the crack, after the detection of the depth of the concrete crack is finished, firstly, the electric push cylinder 431 is used for driving the push plate 432 to move downwards, the electric push cylinder 431 drives the sucking disc 422 to separate from the bridge, then the jacking block 510 is moved to the lower side of the concrete crack, then the driving drive plate 432 is driven to move downwards, the jacking block 510 can be driven to move so that the soft mud layer 520 on the jacking block 510 is attached to the bottom of the bridge, the contour of the concrete crack can be printed by using the soft mud layer 520, and then the detector can finish the detection of the width of the crack and the trend of the crack by measuring the crack on the soft mud layer 520, so that the comprehensive detection of the concrete crack is further improved.
Referring to fig. 3 and 7, in order to improve the recycling rate of the soft mud layer 520, the leveling assembly 600 is mounted on the supporting frame 220, the leveling assembly 600 includes a support 610 fixedly coupled to the supporting frame 220, the support 610 is located near one end of the supporting frame 220 away from the connection rod 270, a leveling roller 620 is rotatably coupled to the support 610, and a rotation axis of the leveling roller 620 is parallel to a rotation axis of the third gear 541. After detecting one of the concrete cracks, the belt conveyor 330 drives the camera 310 and the sliding plate 410 to reciprocate to continue to detect the concrete crack at the bottom of the bridge, and the soft mud layer 520 reciprocates from the lower part of the leveling roller 620 along with the movement of the sliding plate 410, so that the leveling roller 620 can level the soft mud layer 520, and the soft mud layer 520 can be reused conveniently.
The embodiment of the application also discloses a concrete crack detection method, which adopts the concrete crack detection device and comprises the following steps:
s1: installing equipment; moving the walking frame 100 on the bridge deck, and arranging the bearing frame 220 and the belt conveyor 330 at the bottom of the bridge;
s2: detecting the position of a concrete crack; starting a belt conveyor 330, driving a camera 310 to reciprocate through the belt conveyor 330 to detect the crack position at the bottom of the bridge, and determining the position of the concrete crack by a detector through a display 320;
s3: detecting the depth of a concrete crack; starting a detector body 435 through the detected position of the concrete crack, and detecting the depth of the concrete crack through the detector body 435 with the aid of a camera 310;
s4: detecting the width of a concrete crack; in the process of driving the two probes 436 on the detector body 435 to move back, the lifting block 510 is driven to move simultaneously, so that the soft mud layer 520 on the lifting block 510 rubs the shape of the concrete crack, and then the soft mud layer 520 is driven to move to one side of the bridge deck, so that the detection personnel can measure the shape of the rubs.
When detecting the concrete crack on the bridge, a detector firstly moves the walking frame 100 to the bridge deck, then drives the camera 310 to reciprocate by using the belt conveyor 330, so that the camera 310 can detect the concrete crack on the bottom of the bridge along with the movement of the walking frame 100, after the concrete crack is detected, the detector body 435 is used for detecting the depth of the concrete crack on the bridge, then the soft mud layer 520 on the jacking block 510 is used for rubbing the concrete crack, then the soft mud with the shape of the concrete crack is moved to the side of the detector, and the detector can detect the width and trend of the crack by measuring the outline of the crack on the soft mud layer 520, so that the comprehensiveness of the concrete crack detection is ensured.
The concrete crack detection device and the concrete crack detection method in the embodiment of the application are implemented according to the following principles: when the concrete crack on the bridge is detected, the travelling frame 100 is utilized to drive the camera 310 to move along the length direction of the bridge, and the belt conveyor 330 is utilized to drive the camera 310 to move along the width direction of the bridge, so that the camera 310 can detect the concrete crack at the bottom of the bridge along with the movement of the travelling frame 100, and after the position of the concrete crack is detected, the belt conveyor 330 drives the two probes 436 to move two sides of the crack, so that the depth of the concrete crack can be detected; then drive jacking piece 510 and shift up again, can make the soft mud layer 520 on the roof carry out the rubbing to the concrete crack, the inspector can detect cracked width and trend through measuring the profile of crack on the soft mud layer 520, guarantees the comprehensiveness of concrete crack detection.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A concrete crack detection device, its characterized in that: including walking frame (100), bearing mechanism (200) and detection mechanism (300), walking frame (100) walk on the bridge floor, bearing mechanism (200) include support pole (210) and bearing frame (220), support pole (210) are connected on walking frame (100), bearing frame (220) are connected on support pole (210), bearing frame (220) are located the position of bridge bottom, detection mechanism (300) include belt conveyer (330), camera (310) and display (320), belt conveyer (330) are connected on bearing frame (220), camera (310) sliding connection is in on bearing frame (220), camera (310) with belt conveyer (330) are connected, belt conveyer (330) are used for driving camera (310) remove, display (320) are connected on walking frame (100), camera (310) with display (320) electricity is connected.
2. The concrete crack detection device according to claim 1, wherein: the bearing rod (210) is rotatably connected with a rotating rod (230), the rotating axis of the rotating rod (230) is perpendicular to the bridge deck, the bearing frame (220) is connected to the rotating rod (230), the bearing rod (210) is provided with a rotating assembly (240), and the rotating assembly (240) is connected with the rotating rod (230) to drive the rotating rod (230) to rotate.
3. A concrete crack detection device as claimed in claim 2, wherein: the supporting rod (210) is connected to the walking frame (100) in a sliding manner, the supporting rod (210) slides along the direction vertical to the bridge deck, a driving piece (250) is arranged on the walking frame (100), and the driving piece (250) is connected with the supporting rod (210) to drive the supporting rod (210) to lift; the rotary rod (230) is fixedly connected with a connecting block (260), the connecting block (260) is rotationally connected with a connecting rod (270), the connecting rod (270) is fixedly connected with the bearing frame (220), the connecting block (260) is provided with a power assembly (280), and the power assembly (280) is connected with the connecting rod (270) to drive the connecting rod (270) to rotate.
4. The concrete crack detection device according to claim 1, wherein: the utility model provides a measuring mechanism (400) is provided with on bearing frame (220), measuring mechanism (400) is including slip board (410), sucking disc (422), pushing component (430) and detector (434), slip board (410) sliding connection is in on bearing frame (220), slip board (410) with conveyer belt fixed connection on belt conveyer (330), camera (310) fixed connection is in on slip board (410), sucking disc (422) sliding connection is in on slip board (410), pushing component (430) are connected on slip board (410), pushing component (430) are used for promoting sucking disc (422) remove so that sucking disc (422) adsorb on the bridge, detector (434) are including detector body (435) and two probes (436), detector body (435) fixed connection is in on walking frame (100), two probes (436) are all connected on slip board (410), two probes (435) are connected with detector (435) electricity.
5. The method for detecting concrete cracks according to claim 4, wherein: the pushing assembly (430) comprises an electric pushing cylinder (431), pushing plates (432) and springs (433), wherein the electric pushing cylinder (431) is fixedly connected to the pushing plates (432), the pushing plates (432) are fixedly connected to piston rods of the electric pushing cylinder (431), two probes (436) are connected to the pushing plates (432), the springs (433) are fixedly connected between the pushing plates (432) and the suckers (422), and the springs (433) are used for pushing the suckers (422) to move.
6. The concrete crack detection device according to claim 5, wherein: the pushing plate (432) is provided with a rotary table (440), the rotary table (440) is rotationally connected to the pushing plate (432), a fourth motor (450) is fixedly connected to the pushing plate (432), the fourth motor (450) is in transmission connection with the rotary table (440), and two probes (436) are connected to the rotary table (440); the utility model discloses a rotary table, including carousel (440), be provided with adjusting part (460) on carousel (440), adjusting part (460) include third motor (461), two-way lead screw (462) and two sliders (463), third motor (461) fixed connection is in on carousel (440), two lead screw (462) rotate to be connected on carousel (440), two slider (463) equal sliding connection is in on carousel (440), two slider (463) all with threaded connection of two lead screw (462), two slider (463) with the screw thread of two lead screw (462) connection revolves opposite, two probe (436) and two slider (463) one-to-one setting, probe (436) fixed connection is in self corresponding on slider (463).
7. The concrete crack detection device according to claim 5, wherein: the device is characterized in that a width testing mechanism is arranged on the sliding plate (410), the width testing mechanism comprises a guide sleeve (500), a jacking block (510) and a transmission assembly (540), the guide sleeve (500) is fixedly connected to the sliding plate (410), the jacking block (510) is slidably connected to the guide sleeve (500), a soft mud layer (520) is arranged on the jacking block (510), the transmission assembly (540) is connected to the sliding plate (410), the transmission assembly (540) is connected to the jacking block (510), and the transmission assembly (540) is used for driving the jacking block (510) to slide.
8. The concrete crack detection device of claim 7, wherein: the transmission assembly (540) comprises a third gear (541) and two racks (542), the third gear (541) is rotationally connected to the sliding plate (410), one of the racks (542) is fixedly connected with the jacking block (510), the other rack (542) is fixedly connected with the pushing plate (432), the lengths of the two racks (542) are parallel to the sliding direction of the pushing plate (432), and the two racks (542) are meshed with the third gear (541).
9. The concrete crack detection device of claim 7, wherein: the utility model discloses a leveling device, including support frame (220), support frame (220) are last to be provided with be used for right soft mud layer (520) on jacking piece (510) are leveled leveling component (600), leveling component (600) are including support (610) and leveling roller (620), support (610) fixed connection is in on support frame (220), leveling roller (620) rotate to be connected on support (610).
10. A concrete crack detection method is characterized in that: a concrete crack detection device as recited in claim 9, comprising the steps of:
s1: installing equipment; the walking frame (100) is moved on the bridge deck, and the bearing frame (220) and the belt conveyor (330) are arranged at the bottom of the bridge;
s2: detecting the position of a concrete crack; starting a belt conveyor (330), driving a camera (310) to reciprocate through the belt conveyor (330) to detect the crack position at the bottom of the bridge, and determining the position of the concrete crack by a detector through a display (320);
s3: detecting the depth of a concrete crack; starting a detector body (435) through the detected position of the concrete crack, and detecting the depth of the concrete crack through the detector body (435) with the aid of a camera (310);
s4: detecting the width of a concrete crack; in the process of driving two probes (436) on the detector body (435) to move back, the jacking block (510) is driven to move simultaneously, so that the soft mud layer (520) on the jacking block (510) rubs the shape of the concrete crack, and then the soft mud layer (520) is driven to move to one side of the bridge floor, so that the detection personnel can measure the shape of the rubs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310334069.7A CN116359225A (en) | 2023-03-29 | 2023-03-29 | Concrete crack detection device and detection method |
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| CN202310334069.7A CN116359225A (en) | 2023-03-29 | 2023-03-29 | Concrete crack detection device and detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773663A (en) * | 2023-08-25 | 2023-09-19 | 山东省路桥集团有限公司 | Ultrasonic technology crack detection system for concrete |
| CN117538330A (en) * | 2023-10-27 | 2024-02-09 | 宁波经济技术开发区城建设计有限公司 | Bridge crack measuring device and measuring method thereof |
-
2023
- 2023-03-29 CN CN202310334069.7A patent/CN116359225A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773663A (en) * | 2023-08-25 | 2023-09-19 | 山东省路桥集团有限公司 | Ultrasonic technology crack detection system for concrete |
| CN116773663B (en) * | 2023-08-25 | 2023-11-03 | 山东省路桥集团有限公司 | Ultrasonic technology crack detection system for concrete |
| CN117538330A (en) * | 2023-10-27 | 2024-02-09 | 宁波经济技术开发区城建设计有限公司 | Bridge crack measuring device and measuring method thereof |
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