CN1944812A - Video frequency quantitative detector for structure tubular pile - Google Patents
Video frequency quantitative detector for structure tubular pile Download PDFInfo
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- CN1944812A CN1944812A CN 200610048773 CN200610048773A CN1944812A CN 1944812 A CN1944812 A CN 1944812A CN 200610048773 CN200610048773 CN 200610048773 CN 200610048773 A CN200610048773 A CN 200610048773A CN 1944812 A CN1944812 A CN 1944812A
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Abstract
The video quantitative detecting device for structural pipe pile includes a work platform, a detector, a video monitor and a depth counter. The detector consists of video CCD camera, a sheath and a front protecting hood; the work platform has a winch with steel cable connected to the hoisting ear in the tail of the detector; and the depth counter is set on the support of the work platform. Of the detector, the sheath has the front end fitted to the front protecting hood and the tail with hoisting ear, the video CCD camera is inside the sheath, the sheath has inner fixture for installing the detector element and power source assembly, and the outer interface terminal is connected electrically to the video monitor.
Description
Technical field
The invention belongs to engineering checkout equipment technical field, be specifically related to a kind of video frequency quantitative detector for structure tubular pile that is used for the structure pile tube that construction work is adopted, especially pile for prestressed pipe architecture quality and integrality visual inspection.
Background technology
Often use tube pile structure spare in modern architecture, the quality of pile tube is most important to structural quality, and therefore the quality examination to pile tube is necessary behind tube pile construction.Present limitation to the prestressed concrete pipe pile detection means: the low strain detecting means of employing, location fuzzy general to pile tube defective qualitative, quantitative, it is not enough to detect the degree of depth, is subject to the scene interference; And high strain detecting means implementation cost is high, can only be used for the emphasis check in detection, is not suitable for big face generaI investigation testing.Simultaneously, focus---the pipe pile joint quality that present owner and construction party are extremely paid close attention to be difficult to clear conclusions in generaI investigation detects, and the joint problem may stay quality and potential safety hazard.
In order to overcome the deficiencies in the prior art, the inventor is through concentrating on studies, in conjunction with digital camera technology and pile for prestressed pipe actual conditions, developed a kind of quantitative checkout gear of pile for prestressed pipe video that construct back pile for prestressed pipe internal soundness and integrality are carried out the macroscopic examination detection, detecting the low strain unanimity of fundamental sum on the cost, improve greatly and detect the degree of depth, simultaneously can be with defective proterties true reappearance, improve determining defects accuracy and rich, for the later stage reparation provides accurate foundation, the spending of saving engineering, remedied the deficiency of existing detection technique, the evidence effect is good, has truly improved the authenticity and the reliability of quality examination in all directions behind the prestressing pipe pile construction.
Summary of the invention
The object of the present invention is to provide a kind of video frequency quantitative detector for structure tubular pile that can detect pile tube pile quality integrality.
The present invention is achieved in that it comprises working platform, probe, video-frequency monitor, probe is made up of video frequency pick-up head, sheath, front protection cover, you and video output are hung in sheath front end and front protection cover stationary fit, sheath 4 tail end settings, and video frequency pick-up head is installed in the sheath; Inner fixed stand is set in the sheath video frequency pick-up head and power supply module is installed, light fixture be installed on video frequency pick-up head around, power supply module and video frequency pick-up head and light fixture electrically connect, the vision signal terminal of video frequency pick-up head and video output electric connection; Video output and video-frequency monitor electrically connect; Working platform is provided with hoist engine, and wirerope one end and the probe tail end of hoist engine hangs you and be connected.
Video detects and to relate to the qualitative of defective and quantitatively detect, and therefore will guarantee substantially vertical of video observation position and defective, like this could qualitative reach quantitative on convergence accurately and reliably.So the observation area of camera should be horizontal cover type.
Description of drawings
Fig. 1 is a working state schematic representation of the present invention;
Fig. 2 is a panel detector structure schematic diagram of the present invention;
Fig. 3 is a probe front protection cover structural representation of the present invention;
Fig. 4 is the investigative range schematic diagram of probe of the present invention;
Fig. 5 is a course of work block diagram of the present invention.
Fig. 6 is 360 degree planar developments of the present invention detector tube pile joint images on the spot.
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention includes working platform 1, probe 2, video-frequency monitor 3, depth counter 15, probe 2 is made up of video frequency pick-up head 17, sheath 4, front protection cover 5, probe 2 sheaths, 4 front ends and front protection cover 5 stationary fits, that 16 and video output 18 are hung in sheath 4 tail end settings, and video frequency pick-up head 17 is installed in the sheath 4; Inner fixed stand 6 is set in the sheath 4 video frequency pick-up head and power supply module 7 are installed, light fixture 8 be installed on video frequency pick-up head 17 around, power supply module 7 electrically connects with video frequency pick-up head 17 and light fixture 8, and the vision signal terminal of video frequency pick-up head 17 and video output 18 electrically connect; Video output 18 electrically connects with video-frequency monitor 3.Working platform 1 is provided with hoist engine 9, and wirerope one end and the probe tail end of hoist engine 9 hangs you and be connected, and depth counter 15 is placed in the bracing frame 20 of working platform 1.
As shown in Figure 2, the described probe sheath 4 outer probe erection devices that are provided with, erection device is made up of retainer ring 10, slip ring 11, thrust ring 12 and support shell fragment 13, retainer ring 10 is fixed on the sheath excircle, thrust ring 12 and sheath excircle threaded engagement, support shell fragment 13 two ends and be individually fixed on retainer ring 10 and the slip ring 11, slip ring 11 contacts cooperation with thrust ring 12.The probe erection device is in order to guarantee that probe is in center position at the pile tube endoporus, to reduce owing to rocking that the increase of transferring the degree of depth produces to the full extent simultaneously.
Described probe erection device is generally 3-4 along the sheath circumference uniform distribution.
Described light fixture is a light emitting diode.
As embodiment, the sheath of probe can be used as the branch body structure, and bottom head covers 19 and column sleeve two parts promptly are set, and does not influence the realization of the object of the invention.
Fig. 3 shows the structure of probe front protection cover 5 of the present invention; Fig. 4 shows the detection effective range of probe of the present invention, but shade is the observation area among the figure.The tubular structure of the front end sealing of front protection cover 5 its windows 14 of making a video recording for both sides have is to adapt to the requirement of probe effective range.Video detects and to relate to the qualitative of defective and quantitatively detect, and therefore will guarantee substantially vertical of video observation position and defective, like this could qualitative reach quantitative on convergence accurately and reliably.So the observation area of camera should be horizontal cover type.
Fig. 5 is a course of work block diagram of the present invention.
The course of work of this device is controlled by computer processing system, so that the testing process systematization, thereby increase substantially detection efficiency.
Probe converts the optical signalling of catching to video signal by video frequency collection card, and treatment system is stored, analyzes, handled picture intelligence.Two kinds of Video processing patterns---annulus pattern, 360 degree planar development patterns have guaranteed comprehensive no blind spot observation, guarantee result's accuracy, and improve the definition of picture, have guaranteed that picture is clear totally, data is true, observability is strong.And can access corresponding data at any time, carry out analysis and quantitative measurment.
The observation interface of treatment system can change graduated scale automatically according to the variation of pile tube stake internal diameter, and on-the-spot testing process just can be reached a conclusion substantially.According to the image display defect, can the quantitative analysis defect size, geometric parameters etc. detect data, and are recorded on the image, reach data and preserve synchronously, analyze synchronously, guarantee the data objective reality.
The operating principle of the present invention and the course of work:
The present invention finds and measures the geometric parameter of defective by the integrality of video image conceptions of technology geodesic structure pile tube inwall.
When operation begins,, adjust the thrust ring of positioner on the probe, so that the positioner of probe and pile tube internal diameter adapt at first according to the internal diameter of pile tube.The control hoist engine is transferred to probe in the hole of post.By monitor observation pile tube interior wall construction, document image, treatment system analysis image, the geometric parameter of discovery, measurement defective.The pile tube internal holes will be put into by system under the detection probe, pile tube inside is observed, vision reflection by inwall, judge the integrality of the pile tube after constructing, sighting tube pile joint quality clearly in this process, thereby a reliable quality test certificate is provided, and survey data is used to instruct the reparation to the pile tube defective.
Characteristics of the present invention:
1, detecting the degree of depth improves: not disturbed by any stratum, thereby improved the detection degree of depth. Generally can To detect 100 meters with interior pile tube, adapt to present tube pile construction length fully. Detector adopts independent Electric power system is not limited by extraneous power conditions.
2, detecting the data intuitive improves: adopt image formula observation pipe pile at the pile tube detection field first Weight is so that testing result is more directly perceived, understandable. Detection means data different from the past all is several According to waveform information, the layman is difficult for understanding. This change has increased the bright property of testing result, Improved from another point of view the authenticity of testing result.
3, the raising of detection accuracy: two kinds of video tupes replenish mutually, guarantee to detect comprehensive Do not have and omit. 360 degree planes are launched patterns and picture is carried out the plane are launched in real time, for the defective qualitative, quantitative is carried Guarantee intuitively for convenient. The annulus pattern provides the original traits of defective.
4, detect the change that the scene that is subjected to influences:
Native system detects, and has changed in the past that the pile tube detection means is all different to be subjected to the on-the-spot result's influence that causes of disturbing.All testing results are not subjected to the influence of any field condition, to the full extent true reappearance pile tube inwall situation.
5, being convenient to pipe pile joint detects: along with the raising of tube pile construction safety factor, at present aspect prestress engineering pile tube quality problems, what allow more the people pays close attention to is the welding quality of joint.And adopt traditional low strain detecting means, and general for the quality of joint quality owing to disturb, be difficult to draw clear conclusions.Adopt native system, can butt joint directly observe, in the high-resolution picture, can be good at distinguishing the problem that exists on the whether good and joint of joint welding.
6, can provide reference accurately for defect processing: owing to adopt visible system, on proterties, can accurately hold, handle position and reference shape accurately can be provided filling out the heart the pile tube defective, allow repair more safe and reliable.
7, peg efficient improves: can reach 10 meters stakes in 10-15 minute, can detect the 50-60 pile in general one day, be 2 times of prior art.
8, make things convenient for pile tube to produce quality inspection: present producing detects most of for the outward appearance range estimation, for its inside, knows whether existing problems hardly, use this cover instrument, can when producing, carry out one-time detection, produce the link outpost of the tax office of just can improving the quality the pile tube inwall.
9, to the defective qualitative and quantitative analysis time, analytical system can also be called in low strain detecting data and the video analysis result compares, and further analyzes jointly with multiple testing result, draws final conclusion.
10, system also provides the defective data bank that a video detects, the defective data that each user can obtain detection is preserved and is carried out material upload by the Inter net and download, reach the information sharing in the industry and compile, provide a complete large-scale data bank for pile tube detects.
11, because probe of the present invention has adopted the horizontal cover type video detection of high-resolution structure camera, cooperate software to use, make the observation interface can realize high-fidelity 360 degree planar development pattern observations, the structure of structure pile tube inside is represented with plane 2 dimension formal truths, when finding the structure defective, the real accurate qualitative and quantitative measurment geometric parameter of realizing defective.
Claims (5)
1, a kind of video frequency quantitative detector for structure tubular pile, comprise working platform (1), probe (2), video-frequency monitor (3), depth counter (15), probe (2) is by video frequency pick-up head, sheath (4), front protection cover (5) is formed, working platform (1) is provided with hoist engine (9), wirerope one end and the probe tail end of hoist engine (9) hangs you (16) and is connected, depth counter (15) is placed in the bracing frame (20) of working platform (1), it is characterized in that: probe (2) sheath (4) front end and front protection cover (5) stationary fit, that (16) is hung in sheath (4) tail end setting, video frequency pick-up head (17) is installed in the sheath (4), inner fixed stand (6) is set in the sheath (4) video frequency pick-up head (17) and power supply module (7) are installed, light fixture (8) be installed on video frequency pick-up head (17) around, power supply module (7) electrically connects with video frequency pick-up head (17) and light fixture (8), and the vision signal terminal of video frequency pick-up head (17) and video output (18) electrically connect; Video output (18) electrically connects with video-frequency monitor (3).
2, video frequency quantitative detector for structure tubular pile as claimed in claim 1, it is characterized in that: the outer probe position device that is provided with of the sheath of described probe (4), positioner is made up of retainer ring (10), slip ring (11), thrust ring (12) and support shell fragment (13), retainer ring (10) is fixed on sheath (4) excircle, thrust ring (12) and sheath (4) excircle threaded engagement, support shell fragment (13) two ends and be individually fixed on retainer ring (10) and the slip ring (11), slip ring (11) contacts cooperation with thrust ring (12).
3, video frequency quantitative detector for structure tubular pile as claimed in claim 2 is characterized in that: described probe position device is 3-4 along the sheath circumference uniform distribution.
4, video frequency quantitative detector for structure tubular pile as claimed in claim 1 is characterized in that: described light fixture (8) is a light emitting diode.
5, video frequency quantitative detector for structure tubular pile as claimed in claim 1 is characterized in that: front protection cover (5) has the tubular structure of the front end sealing of shooting window (14) for both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100487732A CN100460605C (en) | 2006-11-02 | 2006-11-02 | Video frequency quantitative detector for structure tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100487732A CN100460605C (en) | 2006-11-02 | 2006-11-02 | Video frequency quantitative detector for structure tubular pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1944812A true CN1944812A (en) | 2007-04-11 |
| CN100460605C CN100460605C (en) | 2009-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100487732A Expired - Fee Related CN100460605C (en) | 2006-11-02 | 2006-11-02 | Video frequency quantitative detector for structure tubular pile |
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| CN (1) | CN100460605C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220762A (en) * | 2011-04-25 | 2011-10-19 | 中交隧道工程局有限公司 | Method and device for disposing underwater pouring concrete pile breaking accident |
| CN102980851A (en) * | 2012-11-09 | 2013-03-20 | 交通运输部公路科学研究所 | Cable-stayed bridge cable beam anchorage zone technical condition monitoring windows and observation method |
| CN103015977A (en) * | 2012-12-11 | 2013-04-03 | 武汉科技大学 | Panoramic video scanning device for jack shaft |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057338A (en) * | 1990-06-08 | 1991-12-25 | 中国科学院声学研究所 | Portable nondestructive testing instrument for pile foundation |
| CN1081248A (en) * | 1992-07-09 | 1994-01-26 | 蒋企 | Automatic recording instrument for piling work |
| JP3653685B2 (en) * | 1997-05-01 | 2005-06-02 | 清水建設株式会社 | Pile head displacement measuring method and pile bearing capacity calculation device |
| CN2370064Y (en) * | 1999-03-10 | 2000-03-22 | 阎新毅 | Rapping broken stone pile construction monitoring recorder |
| JP2005201717A (en) * | 2004-01-14 | 2005-07-28 | Shimizu Corp | Pipe interior imaging device |
-
2006
- 2006-11-02 CN CNB2006100487732A patent/CN100460605C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220762A (en) * | 2011-04-25 | 2011-10-19 | 中交隧道工程局有限公司 | Method and device for disposing underwater pouring concrete pile breaking accident |
| CN102980851A (en) * | 2012-11-09 | 2013-03-20 | 交通运输部公路科学研究所 | Cable-stayed bridge cable beam anchorage zone technical condition monitoring windows and observation method |
| CN102980851B (en) * | 2012-11-09 | 2014-08-20 | 交通运输部公路科学研究所 | Cable-stayed bridge cable beam anchorage zone technical condition monitoring windows and observation method |
| CN103015977A (en) * | 2012-12-11 | 2013-04-03 | 武汉科技大学 | Panoramic video scanning device for jack shaft |
| CN103015977B (en) * | 2012-12-11 | 2015-06-03 | 武汉科技大学 | Panoramic video scanning device for jack shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100460605C (en) | 2009-02-11 |
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