CN108802061A - A kind of bridge crack detection device - Google Patents
A kind of bridge crack detection device Download PDFInfo
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- CN108802061A CN108802061A CN201810843344.7A CN201810843344A CN108802061A CN 108802061 A CN108802061 A CN 108802061A CN 201810843344 A CN201810843344 A CN 201810843344A CN 108802061 A CN108802061 A CN 108802061A
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- detection device
- crack detection
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- bridge crack
- supporting rack
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge crack detection devices comprising supporting rack, running gear and image recording structure, supporting rack can be detachably arranged in bridge bottom surface；Image recording structure is movably disposed at by running gear on supporting rack；Image recording structure can move on support frame as described above along at least one direction under the drive of running gear.Image recording structure carries out image recording in moving process to bridge bottom surface, and testing staff investigates bridge bottom crack situation according to image recording.The present apparatus has many advantages, such as simple in structure, convenient disassembly, stability height, accurate positioning, can fast and accurately realize the detection of bridge bottom crack.
Description
Technical field
The present invention relates to a kind of quality detection device of bridge, especially a kind of detection device of bridge bottom crack.
Background technology
With high speed, the construction of heavy haul railway and urban track traffic, the construction of precast bridge is towards large span, gross ton position
With the development of heavy load, bridge quality problems especially protrude.Static test is subject in traditional bridge quality surveillance, and is tested
In the process to visually observe crackle as means, observation method is relatively backward, be easy to cause erroneous judgement, fails to judge, to cause bridge matter
Measure hidden danger.CN106645205A discloses a kind of unmanned plane bridge bottom surface crack detecting method and system, is obtained using unmanned plane
The image document of bridge bottom, by searching the crackle of bridge bottom to the analysis of image document.This device or method have
Following problem can not overcome：Bridge bottom surface is respectively positioned between bridge pier, and space is limited, and unmanned plane can not be applied in narrow space
Open up operation；The control accuracy of unmanned plane is limited, cannot achieve whole coverings of bridge bottom；Location difficulty, even if finding to have splits
Line, the data only shot by unmanned plane are difficult to find at crackle place.
Invention content
In view of this, the purpose of the present invention is to provide a kind of bridge crack detection device, logical crack detection device has
The advantages that simple in structure, convenient disassembly, stability height, accurate positioning, it can fast and accurately realize the inspection of bridge bottom crack
It surveys.
In order to achieve the above objectives, on the one hand, the present invention adopts the following technical scheme that：
A kind of bridge crack detection device, which is characterized in that including supporting rack, running gear and image recording structure,
In,
Supporting rack can be detachably arranged in bridge bottom surface；
Image recording structure is movably disposed at by running gear on supporting rack；
Image recording structure can move on support frame as described above along at least one direction under the drive of running gear.
Preferably, at least one direction includes first direction and second direction, and support frame as described above is supporting beam and company
The frame formed after beam mutually splices is connect, the length direction of supporting beam is first direction, and the length direction of tie-beam is second party
To.
Preferably, the running gear includes walking beam and moving trolley, and the walking beam setting parallel with tie-beam is being propped up
It can move in the supporting beam of support and along first direction, moving trolley is arranged on walking beam and can move in a second direction, schemes
As recording device is arranged in moving trolley.
Preferably, the linear guide is provided in supporting beam, walking beam can be under the driving of first driving means in straight line
It is moved on guide rail.
Preferably, first driving means include the first stepper motor, driving wheel, driven wheel and setting driving wheel with from
Synchronous belt between driving wheel, the walking beam include multiple, and the bottom of at least one walking beam is connected with synchronous belt, the first stepping
Motor drives driving wheel rotation, and walking beam movement is driven after synchronous belt rotation.
Preferably, the bottom of a walking beam in multiple walking beams is connected with synchronous belt, leads between all walking beams
It crosses connecting rod to link together, all walking beams move synchronously along a first direction.
Preferably, dental strip is provided on walking beam, moving trolley moves under the driving of the second driving device in dental strip.
Preferably, the second driving device includes the second stepper motor and synchronizing wheel, and synchronizing wheel is arranged at the bottom of moving trolley
Portion is simultaneously engaged with dental strip, and the second stepper motor drives synchronizing wheel rotation, synchronizing wheel to move ahead in dental strip and moving trolley is driven to move
It is dynamic.
Preferably, supporting rack is detachably arranged in bridge by the sucker and/or steel wire rope being arranged on supporting rack
Bottom surface
Preferably, supporting rack is rectangular, and the quadrangle of supporting rack is each provided with the hoisting beam vertical with plane where supporting rack,
The sucker is mounted on the top of hoisting beam.
Preferably, it is provided with slanting gusset between hoisting beam and supporting beam or tie-beam, improves the stability of installation.
Preferably, described image recording device is high-precision camera.
Preferably, the shooting Identification of Cracks precision of the high-precision camera is 0.01mm.
Precast bridge crack detection device provided by the invention has the following technical effect that：
1) shooting bridge crack image can be automated, automatic identification, confirmation is realized, positions and be stored as integration.Together
When the advantages that apparatus structure is simple, convenient disassembly, stability are high, and resetting is accurate, the identification speed of bridge crack can be improved
Degree and the accuracy differentiated, provide safeguard for train operating safety；
2) motion mode of walking beam uses synchronous belt combination the linear guide, the mobile of moving trolley to use in dental strip uplink
It walks, both type of drive have stable movement, the high advantage of positioning accuracy；It is driven by stepper motor, it can be achieved that repeating to determine
Position precision controlling is within 0.5mm；
3) support frame structure is stable, facilitates processing assembled and transport；Mounting means uses vacuum cup and steel wire rope simultaneously
Lifting mode, mounting means are simple and convenient and secured；
4) motion track of image recording structure can trace, can be according to the moving rail of image recording structure after finding crackle
Mark quickly positions crackle.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the overall structure diagram of crack detection device provided by the invention；
Fig. 2 is the A connection details in Fig. 1；
Fig. 3 is first driving means detail drawing；
Fig. 4 shows the use state diagram of crack detection device provided by the invention.
In figure,
10, supporting rack；11, supporting beam；12, tie-beam；13, the linear guide；14, the first gusset；
20, running gear；21, walking beam；22, moving trolley；23, connecting rod；211, sliding seat；212, dental strip；213, main
Driving wheel；214, driven wheel；215, synchronous belt；221, the second stepper motor；
30, image recording structure；
40, hoisting beam；41, vacuum cup；44, the second gusset；
80, bridge.
Specific implementation mode
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text to the present invention datail description in, it is detailed to describe some specific detail sections, in order to avoid obscure the present invention essence,
There is no narrations in detail for well known method, process, flow, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being containing for " including but not limited to "
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indicating or implying relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
This application provides a kind of Bridge Crack detection devices.
As shown in Figs 1-4, a kind of bridge crack detection device, including supporting rack 10, running gear 20 and image recording dress
Set 30, wherein supporting rack 10 can be detachably arranged in 80 bottom surface of bridge；Image recording structure 30 can by running gear 20
Mobile setting is on supporting rack 10；Image recording structure 30 can be on support frame as described above 10 under the drive of running gear 20
It is moved along at least one direction.
Specifically, supporting rack 10 is the frame formed after the mutually splicing of supporting beam 11 and tie-beam 12, in the present embodiment,
Supporting rack 10 be rectangular frame comprising two supporting beams 11 disposed in parallel spaced apart and 11 end of supporting beam will
The tie-beam 12 that two supporting beams 11 connect, tie-beam 12 are mutually perpendicular to supporting beam 11.The length direction of supporting beam 11
Length direction for first direction, tie-beam 12 is second direction, and first direction and second direction are mutually perpendicular to.
Running gear 20 is provided on supporting rack 10, running gear 20 includes walking beam 21 and moving trolley 22, walking beam
21 are erected in the supporting beam 11 of supporting rack 10 and keep vertical with supporting beam 11, and supporting beam 11 is stretched out at the both ends of walking beam 21
Outside.Walking beam 21 can be arranged multiple, and in the embodiment shown in attached drawing 1, walking beam 21 is provided with 2.Supporting beam 11
Upper surface is provided with the linear guide 13 extended along a first direction, and the linear guide 13 has circular cross section and through support
The whole length of beam 11.21 both ends bottom of walking beam is provided with sliding seat 211, sliding seat with the position that supporting beam 11 intersects vertically
211 bottoms are arranged in the linear guide 13 and can horizontally slip along the linear guide 13, sliding seat 211 by first driving means drive
Dynamic, under the driving of first driving means, sliding seat 211 slides in the linear guide 13, to drive walking beam 21 along the
One direction moves back and forth.First driving means are the known any device that sliding seat can be driven to move back and forth, and are preferably walked
Stepper motor and the synchronous belt being arranged between driving wheel and driven wheel, as shown in figure 3,11 one end of supporting beam is provided with driving wheel
213, the middle part of supporting beam 11 is provided with driven wheel 214, is driven and is connected by synchronous belt 215 between driving wheel 213 and driven wheel 214
It connects, sliding seat 211 is fixedly linked with synchronous belt 215, the power output of driving wheel 213 and the first stepper motor (not shown)
Axis is connected, and drives driving wheel 213 to rotate after the operating of the first stepper motor, to drive synchronous belt 215 to move, synchronous belt 215
Rotation drives sliding seat 211 to be slided in the linear guide 13, is connected to become with connecting rod 23 between two shown in Fig. 1 walking beam 21
One, under the driving of the first stepper motor, one of walking beam 21 is upper past along a first direction under the drive of synchronous belt 215
It is multiple mobile, while driving another walking beam 21 to synchronize upper along a first direction move back and forth by connecting rod 23.
Moving trolley 22 is slidably disposed on walking beam 21 and can be under the driving of the second driving device along walking
The length direction of beam 21, that is, second direction moves back and forth.21 upper surface of walking beam is provided with dental strip 212, the setting of the second driving device
In moving trolley 22, the second driving device includes the second stepper motor 221 and synchronizing wheel, and synchronizing wheel is arranged in moving trolley 22
Bottom and engaged with dental strip 212, the second stepper motor 221 drives synchronous pulley rotation, and synchronizing wheel moves in dental strip 212,
To drive moving trolley 22 to be moved back and forth along second direction on walking beam 21.
Image recording structure 30 is mounted in moving trolley 22, and moving trolley 22 is moved on walking beam 21 along second direction
It is dynamic, to drive image recording structure 30 to be moved back and forth along second direction.Image recording structure 30 is in reciprocating movement
Record the picture of bridge bottom.Preferably, image recording structure 30 is high-precision camera, and high-precision camera is in moving process
The bottom of bridge 80 is photographed to record and is stored in control system, testing staff is by looking into shooting high definition photo
The truth for apparently finding bridge bottom crack, to realize the detection to bridge bottom crack.
The quadrangle of supporting rack 10 is equipped with the hoisting beam 40 vertical with 10 place plane of supporting rack, and the top of hoisting beam 40 is set
It is equipped with vacuum cup 41, entire bridge crack detection device can be adsorbed on to the bottom surface of bridge 80 by vacuum cup 41.It hangs
The top of dress beam 40 is also provided with steel wire rope, and bridge crack detection device is lifted on to the bottom of bridge 80 by steel wire rope
Face.Further preferably, vacuum cup 41 and steel wire rope can be used simultaneously, to ensure that entire bridge crack detection device was being run
Safety in journey.
In order to keep the integrally-built stability of bridge crack detection device, tie-beam 12 to be arranged with 11 intersection of supporting beam
There are the first gusset 14, the first gusset 14 to be obliquely installed in the horizontal plane, the both ends of the first gusset 14 are separately fixed at tie-beam 12
In supporting beam 11；The second gusset 44 is provided between hoisting beam 40 and tie-beam 12 or supporting beam 11, the second gusset 44 is hanging down
Face tilted setting directly, one end of the second gusset 44 is fixed on hoisting beam 40, and other end is fixed on tie-beam 12 or support
On beam 11.Using the stability principle of triangle, by being obliquely installed for the first gusset 14 and the second gusset 44, entire bridge is made to split
Line detection device maintains higher structural stability.
As a further preference, the quantity of walking beam 21 is set as two, and the parallel setting of two walking beams 21 is being propped up
On support 10.An entirety is connected as by connecting rod 23 between two walking beams 21, be respectively provided on each walking beam 21 there are one
The image recording structure 30 that can be moved back and forth along second direction, two image recording structures 30 can be same when detection in this way
Shi Zuoye makes the coverage of image recording structure 30 double, and can greatly reduce the detection time of bridge crack in this way.
The process that above-mentioned bridge crack detection device carries out bridge crack detection is：Utilize vacuum cup 41 or steel wire rope
It will be lifted on the bottom surface of bridge 80, then walking beam 21 be moved to the side of supporting rack 10, then walking beam 21 keeps quiet
Only, the second driving device driving moving trolley 22 is moved along length direction, that is, second direction of walking beam 21, in moving process
Middle image recording structure 30 realizes the shooting of the first rectangular area of 80 bottom of bridge, after the completion of the shooting of the region, the first driving dress
It sets driving walking beam 21 to be moved to along a first direction outside the first rectangular area, then the second driving device drives moving trolley 22
It is moved again along second direction, image recording structure 30 completes the shooting of the second rectangular area in moving process.So
Back and forth, after more than 21 movement of walking beam, the shooting work of bridge bottom is completed.It is of course also possible to first keep moving trolley 22 quiet
Only, first walking beam is moved, then carries out moving trolley movement again, as long as being by the bottom image taking completion of bridge finally
It can.
In shooting process, at 5 minutes, repetitive positioning accuracy was controlled in 0.5mm the control of image recording structure shooting process；
After the completion of record, by correlation shooting record storage and it is uploaded to engineering management platform, Party A and national quality testing department is facilitated to supervise
The bottom surface situation for checking bridge, is apparent from the quality problems of bridge.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each preferred embodiment can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details be made
It changes, is all included in scope of the presently claimed invention.
Claims (13)
1. a kind of bridge crack detection device, which is characterized in that including supporting rack, running gear and image recording structure, wherein
Supporting rack can be detachably arranged in bridge bottom surface；
Image recording structure is movably disposed at by running gear on supporting rack；
Image recording structure can move on support frame as described above along at least one direction under the drive of running gear.
2. a kind of bridge crack detection device according to claim 1, which is characterized in that at least one direction includes
First direction and second direction, support frame as described above are the frame formed after supporting beam and tie-beam mutually splice, the length of supporting beam
Degree direction is first direction, and the length direction of tie-beam is second direction.
3. a kind of bridge crack detection device according to claim 2, which is characterized in that the running gear includes walking
Beam and moving trolley, walking beam is parallel with tie-beam to be arranged in the supporting beam of supporting rack and can be moved along first direction, is moved
Dynamic trolley is arranged on walking beam and can move in a second direction, and image recording structure is arranged in moving trolley.
4. a kind of bridge crack detection device according to claim 3, which is characterized in that be provided with straight line in supporting beam and lead
Rail, walking beam can move under the driving of first driving means in the linear guide.
5. a kind of bridge crack detection device according to claim 4, which is characterized in that first driving means include first
Stepper motor, driving wheel, driven wheel and the synchronous belt being arranged between driving wheel and driven wheel, the walking beam include more
A, the bottom of at least one walking beam is connected with synchronous belt, and the first stepper motor drives driving wheel rotation, band after synchronous belt rotation
Dynamic walking beam movement.
6. a kind of bridge crack detection device according to claim 5, which is characterized in that a row in multiple walking beams
The bottom for walking beam is connected with synchronous belt, is linked together by connecting rod between all walking beams, and all walking beams are along
One direction moves synchronously.
7. a kind of bridge crack detection device according to claim 3, which is characterized in that dental strip is provided on walking beam,
Moving trolley moves under the driving of the second driving device in dental strip.
8. a kind of bridge crack detection device according to claim 7, which is characterized in that the second driving device includes second
Stepper motor and synchronizing wheel, synchronizing wheel are arranged in the bottom of moving trolley and are engaged with dental strip, and the driving of the second stepper motor synchronizes
Wheel rotation, synchronizing wheel move ahead in dental strip and moving trolley are driven to move.
9. a kind of bridge crack detection device according to claim 1, which is characterized in that supporting rack is being supported by setting
Sucker and/or steel wire rope on frame are detachably arranged in the bottom surface of bridge.
10. a kind of bridge crack detection device according to claim 9, which is characterized in that supporting rack is rectangular, supporting rack
Quadrangle be each provided with and be mounted on the top of hoisting beam with the vertical hoisting beam of plane where supporting rack, the sucker.
11. a kind of bridge crack detection device according to claim 10, which is characterized in that hoisting beam and supporting beam or company
It connects and is provided with slanting gusset between beam.
12. according to a kind of any bridge crack detection devices of claim 1-11, which is characterized in that described image records
Device is high-precision camera.
13. a kind of bridge crack detection device according to claim 12, which is characterized in that the bat of the high-precision camera
It is 0.01mm to take the photograph Identification of Cracks precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843344.7A CN108802061B (en) | 2018-07-27 | 2018-07-27 | Bridge crack detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843344.7A CN108802061B (en) | 2018-07-27 | 2018-07-27 | Bridge crack detection device |
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| CN108802061A true CN108802061A (en) | 2018-11-13 |
| CN108802061B CN108802061B (en) | 2024-06-21 |
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| CN201810843344.7A Active CN108802061B (en) | 2018-07-27 | 2018-07-27 | Bridge crack detection device |
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| CN109580657A (en) * | 2019-01-23 | 2019-04-05 | 郑州工程技术学院 | A kind of crack detection method in bridge quality testing |
| CN111439684A (en) * | 2020-04-27 | 2020-07-24 | 长沙华恒机器人系统有限公司 | Large-span heavy-load truss manipulator |
| CN114354625A (en) * | 2021-12-30 | 2022-04-15 | 中铁大桥局集团有限公司 | Prefabricated pier detection device |
| CN115262381A (en) * | 2022-07-05 | 2022-11-01 | 港珠澳大桥管理局 | Bridge detection device |
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| Publication number | Publication date |
|---|---|
| CN108802061B (en) | 2024-06-21 |
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