CN103076637A - Delivery transmission device and delivery transmission method for tunnel single-hole geological radar imaging antenna - Google Patents
Delivery transmission device and delivery transmission method for tunnel single-hole geological radar imaging antenna Download PDFInfo
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- CN103076637A CN103076637A CN2013100078425A CN201310007842A CN103076637A CN 103076637 A CN103076637 A CN 103076637A CN 2013100078425 A CN2013100078425 A CN 2013100078425A CN 201310007842 A CN201310007842 A CN 201310007842A CN 103076637 A CN103076637 A CN 103076637A
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Abstract
The invention discloses a delivery transmission device for a tunnel single-hole geological radar imaging antenna. The delivery transmission device comprises a delivery device of a transmission antenna and a transmission device of a receiving antenna, wherein both the delivery device of the transmission antenna and the transmission device of the receiving antenna are connected with a comprehensive control system; and the comprehensive control system is connected with a power supply device. A comprehensive, total-space, multi-detection-section and full-automatic data acquisition mode is adopted, and a three-dimensional total-space radar wave data inversion interpretation method is implemented, so that the conventional ground penetrating radar detection way and the data acquisition way are changed, received radar wave signals have low losses and low interference, obtained signals are more accurate, an obtained data size is larger, information such as the types, sizes, and spatial positions of geologic bodies within a certain range in front of a working surface can be obtained, high-resolution imaging of geologically-anomaly bodies can be realized, and a practicable way is provided for high-resolution advanced prediction at an underground construction period.
Description
Technical field
The present invention relates to a kind of antenna and send gearing and send drive method, relate in particular to a kind of tunnel single hole geological radar and become image antenna to send gearing and send drive method.
Background technology
In recent years, in fields such as traffic, water power, mines, the geologic condition that faces in the constructing tunnel is very complicated, often meets with the Serious geological disasters such as the prominent mud of gushing water, landslide.Therefore, implement advance geologic prediction at Tunnel during Construction Complicated Geologic Condition, the disaster prevention of verifying front of tunnel heading had vital role.Because the impact of the factor such as be subject to that the tunnel observation space is narrow and small, environmental interference is strong, self resolution and accuracy of identification are low, existing method for forecasting advanced geology (as: seismic reflection method, electromagnetism class methods, DC electrical method class methods) is very poor to geologic body location and the recognition effect of small-scale, such as crack, medium and small solution cavity etc., can't satisfy engineering demand.For the problems referred to above, the present invention proposes a kind of tunnel three-dimensional advanced prediction method that becomes more meticulous based on the boring geological radar technology, designed the three-dimensional observation method of " emitting antenna adds face Omnidirectional radiation shape reception survey line in the hole ", utilize existing geotechnical boring and tunnel tunnel face, arrange emitting antenna and hole external radiation shape reception survey line in the geological radar hole, realize the three-dimensional imaging of geological condition around the boring, solved that borehole radar can't the azimuthal key issue of detection of a target body in the past.
For the borehole radar technology that is used for the three-dimensional advance geologic prediction in tunnel, in the hole emitting antenna send with face on the transmission of receiving antenna be key issue.Single hole borehole radar in the past only is used for ground location, its emitting antenna and receiving antenna are integrated, all need to be placed in the vertical boring, because boring is vertical, the conventional borehole Radar Technology is all sent to the boring deep by gravity and is transmitted and received antenna, by sending the position of cable length keyhole radar antenna in boring and sending distance.This mode is simple, but relies on manpower to send antenna and measure and send distance, inefficiency, send with the precision of locating also undesirable.The boring geological radar technology that is used for the three-dimensional advanced prediction in tunnel that proposes among the present invention and traditional surface drilling Radar Technology exist the difference of essence, the sending of boring geological radar antenna of the three-dimensional advanced prediction in tunnel has following problem: emitting antenna separates with receiving antenna among (1) the present invention, emitting antenna is arranged in boring, receiving antenna is positioned on the face, send with transport process in the two coordination and control be difficult to artificial realization, there is very large difficulty, needs a kind of device of automatically controlling and coordinating with transmission of sending to emitting antenna in the hole and face receiving antenna of design; (2) boring of tunnel tunnel face is level, can't rely on gravity manually to send emitting antenna, needs the special intelligentized delivery apparatus of design to realize accurately sending and locating of emitting antenna; (3) among the present invention, receive survey line and arrange radially that on face the tunnel tunnel face area is large (height and width are all about 10m), rely on and manually come low, the poor stability of mobile receiver aerial efficient, need a kind of automatic transmission of design.
For the problems referred to above, the present invention is directed to the three-dimensional borehole radar advanced detection technology of " emitting antenna adds 360 ° of radial reception surveys line of face in the hole ", design and invented a kind of antenna of intelligent automaticization and send and gearing, for realizing that tunnel construction phase high resolution three-dimensional imaging advanced prediction provides device support.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, and provides a kind of tunnel single hole geological radar to become image antenna to send gearing and sends drive method, and it has the advantage that improves the three-dimensional localization precision.
To achieve these goals, the present invention adopts following technical scheme:
A kind of tunnel single hole geological radar becomes image antenna to send gearing, it comprises the delivery apparatus of emitting antenna and the gearing of receiving antenna, the delivery apparatus of emitting antenna is connected gearing and all is connected with complex control system with receiving antenna, complex control system is connected with electric supply installation.
The delivery apparatus of described emitting antenna comprises delivery cannula, delivery wagon, delivery rod and send propulsion system, described delivery cannula two ends are provided with draw-in groove, be provided with the race supporting with the delivery wagon wheel in the described delivery cannula, the delivery wagon wheel is stuck in the race, described delivery wagon is provided with antenna fixing device, be provided with a screw socket at the end of delivery wagon, the two ends of delivery rod are respectively equipped with the screw socket screw socket, the screw socket of delivery rod is connected with the screw socket of delivery wagon, then by constantly splicing mutually delivery rod, be used for delivery wagon in inner the sending and take out of boring, delivery rod with send propulsion system and be connected.
The described propulsion system of sending are motor, send propulsion system and are located at the boring outside.
The gearing of described receiving antenna comprises transmission car and conveyor track, transmission car and conveyor track are used, described conveyor track is fixed on the tunnel tunnel face, tunnel tunnel face is provided with some surveys line, be a survey line to extraradial each direction centered by boring, conveyor track is installed line direction and is fixed.
Describedly be provided with six surveys line at tunnel tunnel face, the angle between adjacent two surveys line is 60 °.
Described transmission car front end is provided with the draw-in groove of radar receiving antenna, one side of draw-in groove is provided with program control motor, described transmission car end is provided with the spring stop device, described spring stop device comprises latch plate, latch plate is stuck in the diving board draw-in groove, latch plate is connected by spring and transmission car are terminal, transmission car end is provided with renovates plate, between antenna draw-in groove and diving board, be provided with receiving antenna, the wheel of described transmission car is the gear-like wheel, described conveyor track is provided with race, and described race has the gear-like structure that matches with transmission car wheel.
Described complex control system comprises main control system and accumulator, described main control system is used for control and sends propulsion system and transmission car, described main control system is sent program control motor on propulsion system and the transmission car by control respectively, thereby transmitting range and the movement velocity of transmission car on conveyor track of control delivery rod, described accumulator are used for powering to main control system.
Described send with the flow process of transmission as follows:
The first step sends instruction by main control system to the emitting antenna delivery apparatus, moves it a certain degree of depth of boring, fixedly stop in this position, and the emission radar wave;
Second step, send instruction by main control system to the radar receiving antenna gearing, so that radar receiving antenna moves with certain speed along drive rail, receiving radar ripple in moving process, after finishing a survey line, the radar receiving antenna guide rail is measured by manually turning to another survey line, with survey line measure complete after, namely finished one and surveyed circulation;
The 3rd step sent instruction by main control system to the emitting antenna delivery apparatus, made transmitting radar antenna move to next position along boring with certain spacing, carried out the next circulation of surveying, until survey complete.
Beneficial effect of the present invention:
1. the invention solves emitting antenna and separate with receiving antenna, emitting antenna is arranged in boring, and receiving antenna is positioned on the face, send with transport process in the two coordination and control be difficult to an artificial difficult problem that realizes.
2. the boring that the invention solves tunnel tunnel face is level, can't rely on gravity manually to send emitting antenna as traditional geologic radar detection, can't finish the difficult problem of accurately sending and locating of emitting antenna.
3. the invention solves and receive survey line and arrange radially that on face the tunnel tunnel face area is large (height and width are all about 10m), rely on and come manually that mobile receiver aerial efficient is low, the difficult problem of poor stability.
Description of drawings
Fig. 1 is boring and receiving antenna laying synoptic diagram on the tunnel tunnel face of the present invention;
Fig. 2 is the schematic diagram of system and method for the present invention;
Fig. 3 is radar antenna distribution sectional axonometric drawing of the present invention;
Fig. 4 is the synoptic diagram of emitting antenna delivery apparatus of the present invention;
Fig. 5 is the synoptic diagram of emitting antenna delivery cannula of the present invention;
Fig. 6 is the synoptic diagram of emitting antenna delivery wagon of the present invention;
Fig. 7 is the synoptic diagram of emitting antenna delivery rod of the present invention;
Fig. 8 is the synoptic diagram of receiving antenna gearing of the present invention;
Fig. 9 is the synoptic diagram of receiving antenna transmission car of the present invention;
Figure 10 is the detail view of receiving antenna transmission car of the present invention;
Figure 11 is the synoptic diagram of receiving antenna conveyor track of the present invention;
Figure 12 is the connection diagram of present device;
The synoptic diagram that Figure 13 (a) surveys along survey line 1 for receiving antenna of the present invention;
The synoptic diagram that Figure 13 (b) surveys along survey line 2 for receiving antenna of the present invention;
The synoptic diagram that Figure 13 (c) surveys along survey line 3 for receiving antenna of the present invention.
Wherein, 1. tunnel tunnel face, 2. boring, 3. transmitting radar antenna, 4. radar receiving antenna, 5. delivery wagon, 6. delivery cannula, 7. race, 8. draw-in groove, 9. scroll wheel, 10 antenna fixing devices, 11. " mother " screw socket, " 12. public affairs " screw socket, 13. transmission cars, 14. conveyor track, 15. program control motor, 16. gear-like wheels, 17. renovate version, 18. spring, 19. diving board draw-in grooves, 20. latch plates, 21. the antenna draw-in groove, 22. gear-like tracks, 23. main control systems, 24. accumulator, 25. delivery rod, 26. transmitting radar antenna delivery apparatus, 27. radar receiving antenna gearings.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1 and Figure 2, in a kind of constructing tunnel based on boring geological radar technology the high resolution three-dimensional imaging advanced geology prediction system, this system mainly comprises: transmitting radar antenna 3, radar receiving antenna 4, radar host computer, transmitting radar antenna delivery apparatus 26, radar receiving antenna gearing 27 and computing machine etc.
The method that this system realizes: at first squeeze into a boring 2 in tunnel tunnel face 1 centre position, transmitting radar antenna 3 is placed in 2 the insides of holing, on tunnel tunnel face 1, receive survey line according to radial layout geological radar, transmitting radar antenna 3 in the boring 2 is delivered to the boring 2 a certain degree of depth and launches radar wave signal to tunnel tunnel face 1 by the antenna delivery apparatus, radar receiving antenna 4 on the tunnel tunnel face 1 receives survey line by automatic transmission along radial radar and moves, scan successively and gather radar signal, finishing once, emission gathers circulation.Described conveyor track is fixed on the tunnel tunnel face, and tunnel tunnel face is provided with six surveys line, and the angle between adjacent two surveys line is 60 °, is a survey line to extraradial each direction centered by boring, and conveyor track is installed line direction and fixed.After once emission gathered the circulation end, the transmitting radar antenna 3 in the boring 2 moved to boring 2 deeps by equally spaced form by the emitting antenna delivery apparatus, carried out next time emission collection circulation again.At last when radar data all gather complete after, detection data is implemented the constraint inverting and is implemented the three-dimensional interpolation imaging, realize the detection that becomes more meticulous of three-dimensional to the tunnel tunnel face front geological condition.
Based on the high resolution three-dimensional imaging method for forecasting advanced geology of boring geological radar technology, it may further comprise the steps in a kind of constructing tunnel:
The first step, pre-drilling 2; Vertically to squeeze into a degree of depth be that l, aperture are the boring 2 (such as Fig. 1) of d in the position in the middle of at first on tunnel tunnel face 1, and its degree of depth is decided on actual prospecting requirement.
Second step is formulated detecting strategy; According to the requirement of constructing tunnel and on-the-spot actual conditions, the preliminary radar detection scheme of formulating, determine the interval (such as Fig. 3) of transmitting radar antenna 3 between boring 2 interior each emission radar wave signals, and the relevant speed parameter of radar receiving antenna 4 automatic transmission on tunnel tunnel face 1.
The 3rd step, the laying of transmitting radar antenna 3; Transmitting radar antenna 3 delivery cannula 6 one joints one that are every joint length x save land, draw-in groove 8(such as Fig. 5 by delivery cannula 6 two ends) splice to boring 2 deeps and insert, until insert the bosom of boring 2, then transmitting radar antenna 3 is fixed to (such as Fig. 6) on the delivery wagon 5, the wheel of delivery wagon 5 inserts in the race 7 of delivery cannula 6, delivery cannula 6 play the guiding role, make things convenient for delivery wagon 5 in delivery cannula 6, to move to the deep more reposefully, and the spacing of the transmitting radar antenna 3 of determining according to step 2, constantly splicing length at the afterbody of delivery wagon 5 is y delivery rod 25(such as Fig. 7), send apart from m=n*y, wherein n is the number of delivery rod 25, and delivery rod 25 is connected to and sends on the propulsion system.
The 4th step, the laying of radar receiving antenna 4; At first radar receiving antenna 4 is fixed to transmission car 13(such as Fig. 9) on, radar receiving antenna 4 fixedly be such as Figure 10 by the draw-in groove 8 on the transmission car 13 and latch plate 20() realize, after radar receiving antenna 4 fixes, transmission car 13 is installed to conveyor track 14(such as Figure 11) in, then on tunnel tunnel face 1, according to laying rule (such as Fig. 1) fixed conveyor track 14 of " 360 ° of radial reception surveys line ".
The 5th step, the connection of equipment; Transmitting radar antenna 3 is connected with radar receiving antenna and is connected with radar host computer by cable, radar host computer is connected with accumulator 24 by power lead, radar host computer is connected with computing machine by telecommunication cable simultaneously, and sending propulsion system is connected with the transmission car and is connected with main control system 23 by telecommunication cable, main control system 23 is connected (such as Figure 12) by power lead with accumulator 24, and is in off-position in the connection procedure of the equipment of assurance.
The 6th step, data acquisition; After assurance equipment all connects correctly, open radar host computer power supply and computing machine, then open main control system 23, transmitting radar antenna 3 intervals and radar receiving antenna 4 transmission speeds definite according to step 2, send instruction by main control system 23 to the transmitting radar antenna delivery apparatus, move it the boring 2 a certain degree of depth, fixedly stop in this position, and emission radar wave, then send instruction by main control system 23 to the radar receiving antenna delivery apparatus, so that radar receiving antenna 4 moves with default speed along guide rail, receiving radar ripple in moving process, finish a radial survey line after, the radar receiving antenna guide rail is measured by manually turning to another radial survey line, after radial survey line measurement is complete, namely finished one and surveyed circulation, such as Figure 13 (a), 13(b), 13(c);
The 7th step, the circle collection of data; After first emission gathers the circulation end, move to next position along boring 2 degree of depth with certain spacing by main control system 23 control radar emitting antennas 3, carry out next detection circulation, until survey complete;
The 8th step, pretreatment; Comprise: 1, original radar data is carried out data edition, wherein namely original radar data is carried out data merging, useless selective trace muting, line direction unification, drift processing successively; 2, radar data is carried out filtering and process, remove the interference of random noise etc.;
In the 9th step, the imaging of radar detection section velocity of wave tomographic inversion is calculated; Pretreated radar data is carried out Inversion Calculation, the radar image of each survey line section is set up grid, for j grid on the n bar ray, the slowness correction c of each inverting iteration
NjCan be calculated by following formula:
Wherein, M be n bar ray the quantity of grid of process, a wherein
NjRepresent the ray length of n bar ray in j grid, Δ t
nRepresent the poor of actual time of observation value and theoretical time Estimate value, c
Nj-1The slowness correction that represents j-1 grid on the n bar ray.
Represent n bar ray the quadratic sum of difference of slowness of adjacent mesh of process go to zero, roughness that Here it is constraint, utilize this constraint can be so that the roughness between the adjacent mesh is minimum, can effectively improve original inversion equation Degree of Ill Condition, improve efficiency of inverse process, this is the advantage of inversion method among the present invention.
By the slowness value that can be calculated each grid to above-mentioned constraint inversion equation, just can obtain the velocity profile that each surveys section;
In the tenth step, three-dimensional radar velocity of wave image is processed.Can obtain the radar wave speed distribution plan of three survey line sections by Inversion Calculation, and the linear interpolation of the radar wave speed of the medium between the section by the velocity of wave between the adjacent section obtains, thereby obtain the distributed in three dimensions image of tunnel tunnel face front radar wave speed.By analysis and the explanation to this image, just can intuitively, accurately determine the geologic anomaly body in the place ahead, tunnel.
Such as Fig. 4, shown in Figure 8, a kind of antenna delivery apparatus for underground works, this device comprises: the automatic transmission of radar receiving antenna 4 on the automatic delivery apparatus of emitting antenna, the tunnel tunnel face 1 in the hole, and Comprehensive Control and electric supply installation, wherein, the delivery apparatus of transmitting radar antenna 3 is by delivery cannula 6, delivery wagon 5, delivery rod 25 with send propulsion system and form; The gearing of radar receiving antenna 4 is comprised of conveyor track 14 and transmission car 13; Comprehensive Control and electric supply installation are comprised of main control system 23 and accumulator 24.This device solves in the profound boring 2 transmitting radar antenna 3 send and a difficult problem of taking out, also solved simultaneously the problem of radar receiving antenna 4 automatic transmissions on the tunnel tunnel face 1, surveying for the borehole radar in the profound tunnel provides convenience.
The below describes respectively the information such as function, material, composition and advantage of transmitting radar antenna delivery apparatus 26 and radar receiving antenna gearing 27 in detail:
A kind of emitting antenna delivery cannula, as shown in Figure 5.Its effect is the guiding of sending in boring 2 as transmitting radar antenna 3, allows transmitting radar antenna 3 under the help of delivery wagon 5, can send to boring 2 deeps along its inner race 7.It is made by the PVC material, and at first, this material is insulating material, and is less on the radar detection impact; Then, this material is cheap, greatly reduce project cost; At last, this material has certain intensity and toughness, can bear the pressure that transmitting radar antenna 3 is sent inside.
A kind of emitting antenna delivery wagon, as shown in Figure 6.Its effect is fixed radar emitting antenna 3, and cooperates delivery cannula 6, and the wheel of delivery wagon 5 rolls in the race 7 of delivery cannula 6 inside, makes things convenient for transmitting radar antenna 3 to send to boring 2 deeps.It also is to be made by the PVC insulating material, can not affect greatly experimental result like this.Its ingredient mainly contains: " mother " screw socket 11 of delivery wagon 5 main shafts, scroll wheel 9, antenna fixing device 10 and afterbody, scroll wheel 9 is arranged on delivery wagon 5 main shafts, also be fixed with antenna fixing device 10 on delivery wagon 5 main shafts, an end of delivery wagon main shaft is provided with " mother " screw socket 11.
A kind of emitting antenna delivery rod 25, as shown in Figure 7.Its effect is to send transmitting radar antenna 3 toward boring 2 deeps, and the taking-up of having surveyed aft antenna.The two ends of every delivery rod 25 are respectively " male " screw socket 12 and " mother " screw socket 11, delivery rod 25 can be spliced mutually, and " male " screw socket 12 can be connected with " mother " screw socket 11 of delivery wagon 5 afterbodys, so can be by constantly splicing delivery rod 25, and utilize and to send propulsion system and send transmitting radar antenna 3 to boring 2 deeps, survey and also can utilize delivery rod 25 to take out transmitting radar antennas 3 after finishing.Equally, it also is to be made by the PVC insulating material, and the length of every delivery rod 25 is identical, can control according to the quantity of the delivery rod 25 of splicing and send distance.
A kind of emitting antenna is sent propulsion system.Its effect is to send the delivery rod of transmitting radar antenna 3 25, and this device provides power by motor outside boring 2, to boring 2 inner transmission delivery rod 25, thus control radar emitting antenna 3 sending in boring 2 inside.
A kind of transmission car 13 of radar receiving antenna, as shown in Figure 9.Its effect is fixed radar receiving antenna 4, and can move with the speed that sets in conveyor track 14.Its chief component mainly contains: transmission vehicle main body, gear-like wheel 16, program control motor 15, radar receiving antenna 4 fixed parts grade.Wherein radar receiving antenna 4 fixed parts as shown in figure 10, mainly by antenna draw-in groove 21, spring 18, latch plate 20, diving board draw-in groove 19, renovate plate 17 etc. and form, this part can be fixed to radar receiving antenna 4 on the transmission car 13.
A kind of receiving antenna conveyor track, as shown in figure 11.Its effect is to be fixed on the tunnel tunnel face 1 along survey line, cooperates the movement of transmission car 13.The race 7 inner gears for the transmission skiving colyliform wheel that coincide of conveyor track 14, be that conveyor track 14 is gear-like track 22, the advantage of gear is that to be convenient to transmission car 13 stuck on conveyor track 14, stability better, and can well control by gear displacement and the speed of transmission car 13, and conveyor track 14 designs are as a whole, mainly are to lift fixing owing to being convenient to operating personnel at tunnel tunnel face 1.
A kind of main control system 23 of receiving antenna transmission car.Its effect is to cooperate transmission car 13, and control system integration in main control system 23, is controlled the motions of transmission car 13 on conveyor track 14 by main control system 23.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (9)
1. a tunnel single hole geological radar becomes image antenna to send gearing, it is characterized in that, it comprises the delivery apparatus of emitting antenna and the gearing of receiving antenna, the delivery apparatus of emitting antenna is connected gearing and all is connected with complex control system with receiving antenna, complex control system is connected with electric supply installation.
2. single hole geological radar in tunnel becomes image antenna to send gearing as claimed in claim 1, it is characterized in that, the delivery apparatus of described emitting antenna comprises delivery cannula, delivery wagon, delivery rod and send propulsion system, described delivery cannula two ends are provided with draw-in groove, be provided with the race supporting with the delivery wagon wheel in the described delivery cannula, the delivery wagon wheel is stuck in the race, described delivery wagon is provided with antenna fixing device, be provided with a screw socket at the end of delivery wagon, the two ends of delivery rod are respectively equipped with screw socket, the screw socket of delivery rod is connected with the screw socket of delivery wagon, then by constantly splicing mutually delivery rod, be used for delivery wagon in inner the sending and take out of boring, delivery rod with send propulsion system and be connected.
3. single hole geological radar in tunnel becomes image antenna to send gearing as claimed in claim 2, it is characterized in that, the described propulsion system of sending are motor, sends propulsion system and is located at the boring outside.
4. single hole geological radar in tunnel becomes image antenna to send gearing as claimed in claim 1, it is characterized in that, the gearing of described receiving antenna comprises transmission car and conveyor track, and transmission car and conveyor track are used.
5. single hole geological radar in tunnel becomes image antenna to send gearing as claimed in claim 4, it is characterized in that, described transmission car front end is provided with the draw-in groove of radar receiving antenna, one side of draw-in groove is provided with program control motor, described transmission car end is provided with the spring stop device, described spring stop device comprises latch plate, latch plate is stuck in the diving board draw-in groove, latch plate is connected by spring and transmission car are terminal, transmission car end is provided with renovates plate, is provided with receiving antenna between antenna draw-in groove and diving board, and the wheel of described transmission car is the gear-like wheel, described conveyor track is provided with race, and described race has the gear-like structure that matches with transmission car wheel.
6. become the image antenna gearing such as tunnel single hole geological radar as described in claim 4 or 5, it is characterized in that, described conveyor track is fixed on the tunnel tunnel face, tunnel tunnel face is provided with some surveys line, be a survey line to extraradial each direction centered by boring, conveyor track is installed line direction and is fixed.
7. single hole geological radar in tunnel becomes the image antenna gearing as claimed in claim 6, it is characterized in that, describedly is provided with six surveys line at tunnel tunnel face, and the angle between adjacent two surveys line is 60 °.
8. single hole geological radar in tunnel becomes image antenna to send gearing as claimed in claim 1, it is characterized in that, described complex control system comprises main control system and accumulator, described main control system is used for control and sends propulsion system and transmission car, described main control system is sent program control motor on propulsion system and the transmission car by control respectively, thereby transmitting range and the movement velocity of transmission car on conveyor track of control delivery rod, described accumulator are used for powering to main control system.
9. become image antenna to send a kind of drive method of sending of gearing based on the described tunnel of claim 1 single hole geological radar, it is characterized in that concrete steps are:
The first step sends instruction by main control system to the emitting antenna delivery apparatus, moves it a certain degree of depth of boring, fixedly stop in this position, and the emission radar wave;
Second step, send instruction by main control system to the receiving antenna gearing, so that receiving antenna moves with certain speed along guide rail, receiving radar ripple in moving process, after finishing a radial survey line, the radar receiving antenna guide rail is measured by manually turning to another radial survey line, with radial survey line measure complete after, namely finished one and surveyed circulation;
The 3rd step sent instruction by main control system to the emitting antenna delivery apparatus, made emitting antenna move to next position along boring with certain spacing, carried out the next circulation of surveying, until survey complete.
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| CN104656154A (en) * | 2015-03-13 | 2015-05-27 | 厦门大学 | Common-emitting source ground penetrating radar multi-offset data automatic and quick measurement system |
| CN104678453A (en) * | 2015-02-15 | 2015-06-03 | 山东大学 | Drilling radar antenna automatic detection auxiliary device for advance geological detection of tunnel |
| CN104698501A (en) * | 2015-02-15 | 2015-06-10 | 山东大学 | Single-hole directional detection radar antenna for tunnel advanced geological prediction |
| CN115824813A (en) * | 2023-02-23 | 2023-03-21 | 叙镇铁路有限责任公司 | Test device and method for testing surrounding rock plastic zone range caused by tunnel excavation |
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