CN104214490A - Geological radar slope winding and unwinding platform for concrete faceplate dam quality checking and working method of geological radar slope winding and unwinding platform - Google Patents
Geological radar slope winding and unwinding platform for concrete faceplate dam quality checking and working method of geological radar slope winding and unwinding platform Download PDFInfo
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- CN104214490A CN104214490A CN201410506026.3A CN201410506026A CN104214490A CN 104214490 A CN104214490 A CN 104214490A CN 201410506026 A CN201410506026 A CN 201410506026A CN 104214490 A CN104214490 A CN 104214490A
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Abstract
The invention discloses a geological radar slope winding and unwinding platform for concrete faceplate dam quality checking and a working method of the geological radar slope winding and unwinding platform. The winding and unwinding platform is provided with a truss; a geological radar is fixedly connected to the truss; the geological radar slope winding and unwinding platform is characterized in that the truss is fixedly connected with lifting mechanisms; the lifting mechanisms are connected with a control mechanism, and the control mechanism controls lifting of the lifting mechanisms; rolling wheels are arranged at the bottom ends of the lifting mechanisms. The truss in the optimized scheme is provided with a photographing system. The geological radar slope winding and unwinding platform can prevent the radar from tilting, so that the safety and the stability of detection are improved; the phenomena of locking and blocking can be avoided, and the geological radar slope winding and unwinding platform moves successfully; at the end of measurement, when a radar antenna is recycled, the geological radar slope winding and unwinding platform can be separated from a concrete faceplate. According to the geological radar slope winding and unwinding platform, the influence, which is caused by abrasion to an antenna base plate, on a detection result is avoided; furthermore, the cost is lowered, the physical strength burden and the working risk of detection personnel are greatly reduced; by the adoption of the system, 2-3 persons can be saved; due to the adoption of the high-definition photographing system, a detection line can be monitored, and playing back is realized.
Description
Technical field
The present invention relates to a kind of domatic retracting platform of geological radar of concrete face rockfill dam quality inspection.The invention still further relates to the method for work of the domatic retracting platform of geological radar of this concrete face rockfill dam quality inspection.
Background technique
Concrete face rockfill dam is the advantage such as Security is good, easy construction, the duration is short, cost is low owing to having, and obtains great development in recent years.But it is up to the present, because many reasons can't completely inharmonious between control panel and padding layer and the generation of the phenomenon that causes coming to nothing, particularly evident in this face dam built in early days.The detection that current concrete slab comes to nothing, the most directly effective method is perforate probing and sampling test, but due to perforate probing quantity very limited, and blindness is comparatively large, and the infringement of counter plate itself in addition, the method therefore in the urgent need to novelty replaces.
Geological radar is a kind of lossless detection technology detecting concrete face rockfill dam panel quality of rising in recent years, it has non-damaged data feature, also being at present for measuring most advanced, one of instrument the most easily of defect in concrete, having that Test range is wide, resolution is high, the advantage such as real time data processing and signal enhancing.
However, still there is many problems when utilizing geological radar to detect concrete slab quality.First; according to the characteristic of concrete slab itself; detect and usually use high frequency antenna (800MHZ and more than); its base contact surface is less; and panel often the gradient is steeper; and its surface exists, and many reinforcing bars are appeared, uneven situation, therefore often there will be in measuring phase and block, be hampered, even produce the phenomenon of rollover.After running into this situation, inspector must put on safety garment, has fastened safety rope, goes to fix a breakdown down to location of accident.Like this, not only delay the time, and also impact has been created to the accuracy of detection continuity, position, increased staff again simultaneously, the security risk of personnel is greatly increased; Secondly, when measuring end, reclaiming radar antenna, due to the friction between Antenna baseplate and concrete slab, collision etc., bottom plate wear, distortion can be caused on the one hand, and then directly affect the time of advent of antenna Mintrop wave when measuring, the reliability of testing result is affected, on the other hand, inspector's physical load produced that works also obviously is increased; In addition, because the panel gradient is comparatively steep, in testing process, personnel cannot follow antenna colleague, add detection line longer, detection line " road conditions " at a distance cannot be observed, and directly has influence on the judgement of data analyst, and then data analysis quality is affected.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, providing that a kind of structure is simple, easy to operate, safety and detect the domatic retracting platform of geological radar of face dam quality testing accurately.The present invention also will provide the method for work of the domatic retracting platform of geological radar of this concrete face rockfill dam quality inspection.
The technological scheme that the present invention solves its technical problem is: a kind of domatic retracting platform of geological radar of concrete face rockfill dam quality inspection, and this domatic retracting platform is provided with truss, and described geological radar is fixedly connected on this truss; It is characterized in that, described truss and elevator mechanism fixed connection, this elevator mechanism is connected with control mechanism, is controlled its lifting by control mechanism; This elevator mechanism bottom is provided with scroll wheel.
Truss described in such scheme is the aluminum alloy I-shape beam with certain rigidity and length, the upper and lower end parts of radar antenna is secured by bolts in the middle of it, truss two ends are in order to connect elevator mechanism, truss has certain length, two truss add that elevator mechanism and scroll wheel just define four directions and support general layout, avoid the phenomenon that geological radar occurs to turn on one's side in testing process.
Elevator mechanism described in such scheme has 4, and each elevator mechanism includes direct current generator, worm and gear etc., and they all form respective direct current drive push rod, all installs wear-resisting scroll wheel in each electric pushrod bottom.In geological radar work measurement process, when blocking, being hampered situation, synchronously open two electric pushrods of bottom, make geological radar slightly off the face of turning up the soil, antenna, under self gravitation effect, just can pass through obstacle at once smoothly.
Its effect of control system belonging in such scheme mainly for four electric pushrods provide electric current, and provides operation signal.Common electric pushrod is generally the voltage using 12V, conveniently with for the purpose of safety, is carrying out voltage transitions in advance near data capture PC position of platform, is being sent to acquisition platform powers to electric pushrod with the elastic cable paper of band electromagnetic shielding.The connection of control signal and data capture PC adopts wired forms, and ensure that the efficient and convenient of data transmission, the control in PC position to acquisition platform is chosen wire control board and carried out, and ensure that control signal itself does not form interference to radar signal equally.
Further improvement, truss of the present invention can also be provided with image pickup system, and this image pickup system mainly comprises camera (recommending to adopt high-definition camera), transmission cable and data capture PC, realizes the control of image, video acquisition and correlation function.Equally for the consideration of electromagnetic shielding, video signal is adopt wired forms to be sent to data capture PC too, in current ordinary PC, camera video acquisition software has had comparatively ripe solution, do not need in the present invention to carry out software development to the application of camera specially, and just use the video collected to carry out the work such as the correction of landform and various abnormal conditions judgements in the later stage.
In other words, the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection of the present invention, comprising: the elevator mechanism of geological radar, band truss and guide wheel, control system, high-definition camera system; Described geological radar is connect by truss and elevator mechanism, and arrange wear-resisting scroll wheel in elevator mechanism bottom, control system controls elevator mechanism, enables radar antenna realize action arbitrarily up and down; High-definition camera is fixed on truss and (radar is transferred, direction of measurement) stretches out certain distance outward, can grasp survey line " road conditions " in real time.
The technological scheme completing second invention task of the application is, the method for work of the domatic retracting platform of geological radar of above-mentioned concrete face rockfill dam quality inspection, and it is characterized in that, step is as follows,
(1). before work, geological radar is fixed on the truss of domatic retracting platform; And connect the circuit of control mechanism;
(2). be placed into after on detected concrete panel, the height of adjustment elevator mechanism, makes roller and panel depart from certain distance;
(3). by the Contact (technical requirements of test) of geological radar and detected concrete face dam panel, start test;
(in optimized project, step can be increased and (3)-1. by image pickup system, the situation detecting route is monitored simultaneously, and (3) increase step-2. playbacks the situation detecting route when needed);
(4). when occurring being hampered situation, by control mechanism, original position fine setting being carried out to each elevator mechanism, enabling the distance between the Antenna baseplate of geological radar and concrete slab guarantee to pass through smoothly;
(5). at the end of detection, raise each elevator mechanism by control mechanism, Antenna baseplate and concrete slab are departed from, to reclaim radar antenna.
Domatic retracting platform of the present invention and method can ensure that the phenomenon of turning on one's side does not occur geological radar in testing process, and can be passed through smoothly by original position fine setting in the situation that occurs being hampered, both ensure that and detected position accurate, and inspector can have been avoided again to work on the slope and the danger that brings; Secondly, when detecting end, reclaiming radar antenna, because Antenna baseplate and concrete slab can depart from by this platform, and by roller and plate contact, eliminate the friction between Antenna baseplate and concrete slab, collision, not only reduce because of bottom plate wear on the impact of testing result, saved Antenna baseplate and changed brought economic cost because of wearing and tearing, but also significantly reduce inspector and to work the physical load produced.In addition, although dam facing is comparatively smooth, but still there are many possible abnormal conditions, the reinforcing bar etc. of such as appearing, in order to better monitor dam facing situation, improve the precision that later data is analyzed, in system peripheral devices, adding a set of high-definition camera, the employing of high-definition camera can be monitored the situation detecting route, and playbacks.
The beneficial effect that technological scheme provided by the invention is brought is: what the present invention can avoid radar to produce by the elevator mechanism of band truss topples, and improves the safety and stability of detection; Meanwhile, radar can be made to leave ground arbitrary height by elevator mechanism, when blocking, being hampered situation, geological radar be moved down smooth and easy; When measuring end, recovery radar antenna, utilize this device Antenna baseplate and concrete slab can be departed from, by roller and plate contact, not only saved Antenna baseplate because of wearing and tearing on the impact of testing result, saved Antenna baseplate and changed brought economic cost because of wearing and tearing, but also significantly reduce inspector and to work the physical load produced; The employing of high-definition camera system, can monitor detection line, and playback, and benefits for raising data analysis quality; The employing of native system can save labour 2-3 people, meanwhile, greatly reduces the work risk of inspector.
accompanying drawing illustrates:
Fig. 1 is the schematic front view of apparatus of the present invention.
Fig. 2 is that schematic diagram is looked on the left side of apparatus of the present invention.
Fig. 3 is the schematic top plan view of apparatus of the present invention.
In figure: radar antenna 1, truss 2, electric pushrod 3, bolt 4, scroll wheel 5, high-definition camera 6.
embodiment:
For making the object, technical solutions and advantages of the present invention clearly, below embodiment of the present invention is described in further detail.
Embodiment 1, the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection and method of work thereof, when platform of the present invention uses:
First, selecting properly geological radar antenna and measurement parameter, consider that the plate thickness of concrete face rockfill dam is substantially within 1.0m, therefore choice for use RAMAC 800MHz screened shielded antanna, this antenna bottom width 20cm, height 20 cm, length 30 cm.In order to reduce antenna direct-path signal, reducing extraneous signal impact to greatest extent simultaneously, improving measuring accuracy, adopt 0.2m spacing bayonet point to measure.
This device truss and radar antenna are fixed, then by the electric pushrod of band scroll wheel and truss two client link, high-definition camera is fixed on truss.Connect various circuit, geological radar optimum configurations is carried out in start, and high-definition camera system is debugged, and is energized and debugs elevator mechanism, after confirmation whole system normal operation, start geological radar surveying work.
Surveying work starts, and retracting platform is under the effect of deadweight, and blow slowly down landing.Inspector controls its position by the folding and unfolding of cable, data capture personal observations situation along the line data capture (comprising radar data acquisition and camera data collection) is carried out in pointwise.In measuring phase, when detection platform block, the situation that is hampered time, open two electric pushrods of bottom, make geological radar synchronously slightly off the face of turning up the soil, under self gravitation effect, antenna at once just can pass through obstacle smoothly.Proceed to measure, until arrive survey line bottom, stop data capture, and preserve file, terminate surveying work.
Electric pushrod is opened by the order got on, get off, Antenna baseplate and concrete slab are departed from, when 4 electric pushrods all rise to desired location, close and locking tappet rod, up reclaim radar antenna, due to by roller and plate contact, therefore recovery operation easily and fast, terminate this section survey work, the testing of next section is carried out in displacement.
Claims (10)
1. the domatic retracting platform of the geological radar of a concrete face rockfill dam quality inspection, this domatic retracting platform is provided with truss, described geological radar is fixedly connected on this truss, it is characterized in that, described truss and elevator mechanism fixed connection, this elevator mechanism is connected with control mechanism, is controlled its lifting by control mechanism; This elevator mechanism bottom is provided with scroll wheel.
2. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 1, it is characterized in that, described truss is aluminum alloy I-shape beam, the upper and lower end parts of radar antenna is secured by bolts in the middle of it, truss two ends are in order to connect elevator mechanism, and two truss add that elevator mechanism and scroll wheel form four directions and support general layout.
3. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 1, it is characterized in that, described elevator mechanism has 4, each elevator mechanism includes direct current generator, worm and gear, they all form respective direct current drive push rod, all install wear-resisting scroll wheel in each electric pushrod bottom.
4. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 3, is characterized in that, described control system provides electric current for four electric pushrods, and provides operation signal.
5. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 1, it is characterized in that, described truss is provided with image pickup system, this image pickup system includes camera, transmission cable and data capture PC, realizes the control of image, video acquisition and correlation function.
6. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 5, is characterized in that, in described control system and image pickup system, the connection of control signal and data capture PC adopts wired forms.
7. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 6, is characterized in that, directly chooses wire control board carry out in PC position to the control of acquisition platform.
8. the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 6, is characterized in that, adopt high-definition camera in described image pickup system.
9. the method for work of the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 1, it is characterized in that, step is as follows,
(1). before work, geological radar is fixed on the truss of domatic retracting platform; And connect the circuit of control mechanism;
(2). be placed into after on detected concrete panel, the height of adjustment elevator mechanism, makes roller and panel depart from certain distance;
(3). by the Contact of geological radar and detected concrete face dam panel, start test;
(4). when occurring being hampered situation, by control mechanism, original position fine setting being carried out to each elevator mechanism, enabling the distance between the Antenna baseplate of geological radar and concrete slab guarantee to pass through smoothly;
(5). at the end of detection, raise each elevator mechanism by control mechanism, Antenna baseplate and concrete slab are departed from, to reclaim radar antenna.
10. the method for work of the domatic retracting platform of geological radar of concrete face rockfill dam quality inspection according to claim 9, is characterized in that, increases and has following steps:
(3) step-1. is monitored the situation detecting route by image pickup system simultaneously;
Increase step when needed (3)-2. to playback the situation detecting route.
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| CN201410506026.3A CN104214490B (en) | 2014-09-26 | 2014-09-26 | The domatic retracting platform of geological radar of concrete face rockfill dam quality inspection and method of work thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816196A (en) * | 2021-01-05 | 2021-05-18 | 杨进德 | Truss quality detection device |
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