CN209280943U - A kind of tunnel defect detecting device based on radar detection - Google Patents
A kind of tunnel defect detecting device based on radar detection Download PDFInfo
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- CN209280943U CN209280943U CN201821503820.2U CN201821503820U CN209280943U CN 209280943 U CN209280943 U CN 209280943U CN 201821503820 U CN201821503820 U CN 201821503820U CN 209280943 U CN209280943 U CN 209280943U
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- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 230000007547 defect Effects 0.000 title claims abstract description 23
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- 230000007246 mechanism Effects 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 230000008447 perception Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
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- 230000004888 barrier function Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a kind of tunnel defect detecting device based on radar detection, including pedestal, radar detection machine and the track mobile for radar detection machine；Track is arch, and the both ends connection of arched track is equipped with the driving chain of direction along ng a path transmission on the base, on track, and radar detection machine is connected on driving chain, and driving chain drives radar detection machine to move along track.The detection to tunnel vault vertical and horizontal section may be implemented in the detection device of the utility model, realizes effective monitoring of tunnel recessiveness defect；Radar detedtor in the detection device of the utility model can be radially extended along track, can be close to tunnel surface, it is ensured that the coupling of radar antenna and tunnel vault improves detection accuracy.The detection device of the utility model is not necessarily to close when detecting tunnel, and when vehicle driving is not influence the passage of vehicle by encircleing bottom.
Description
Technical field
The utility model belongs to the Tunnel testing field in civil engineering, is related to tunnel cavity defect and detects, and specifically one
Tunnel cavity defect of the kind based on radar detection detects trolley.
Background technique
With China's expanding economy, transport development is increasingly taken seriously, and China mountainous region is numerous, in engineering construction often
It needs to build a large amount of tunnel, ensures that the normal use in tunnel needs to detect whether tunnel the problems such as crack, cavity occurs, otherwise
It will seriously affect the safe passing in tunnel.Detection work at present relies primarily on artificial detection, low efficiency and reliability is not high, mentions not
It is to generally require when being detected to tunnel top and help technical staff to detect using lifting platform, to need to close
Road, this can undoubtedly cause huge loss for some traffic main arteries to the people.In Tunnel testing, the radar exploration technique
The defects of tunnel comes to nothing can be preferably detected compared with traditional sensing techniques, and existing tunnel defects detection is mainly artificial support's thunder
It is measured up to antenna, it is time-consuming and laborious.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of tunnels based on radar detection to take off
Empty defect detecting device, high-efficient, structure is simple, solves the problems, such as time-consuming and laborious when existing radar setting detection tunnel.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution is achieved:
A kind of tunnel defect detecting device based on radar detection, including pedestal, radar detection machine and for radar detection
The mobile track of mechanism；The track includes main orbit and the supporting rail of main orbit two sides is axially and symmetrically arranged in along main orbit
Road, the main orbit and supporting track are arch, and the both ends of the main orbit and supporting track are both connected to described
On pedestal, the bottom transverse of the radar detection machine is overlapped on two supporting tracks across main orbit；On the main orbit
It is equipped with the driving chain along the transmission of its orbital direction, the radar detection machine is connected on driving chain, the biography
Dynamic chain-driving radar detection machine is moved along track；The radar detection machine includes radar detedtor, the thunder
It can be moved back and forth up to detector along the radial direction of track.
Specifically, the upper surface center of the supporting track and lower surface center symmetric setting have protrusion, described is convex
It rises and extends along supporting track direction, the detections of radar mechanism is connected on the supporting track by rolling mechanism；Institute
The rolling mechanism stated includes the connector of two roller systems of two roller systems and connection, and each roller system includes two rollings
The connecting shaft of wheel and connection idler wheel；Two roller systems are symmetricly set in the upper and lower surfaces of supporting track, each rolling
Two idler wheels in wheel system are arranged on the supporting track of raised two sides, and the connecting shaft in two roller systems is same
Side is connected on same a connection piece, so that idler wheel is stuck between the edge of the protrusion of connector and supporting track；The connection
Part is connected to the bottom of radar detection machine.
Specifically, the driving chain is the closed chain of head and the tail connection, which is socketed on main orbit；Institute
The bottom for the main orbit stated is provided with a pair of of transmission gear system, the driving cog in the driving chain and transmission gear system
Wheel engagement, the transmission gear system are driven by first motor.
Specifically, the radar detection machine includes bottom plate, telescoping mechanism, radar detedtor and approaches switch, it is described
Radar detedtor be connected on bottom plate by telescoping mechanism, it is described to be arranged on radar detedtor close to switch, close to opening
Close the start and stop of control telescoping mechanism；The bottom of the bottom plate is fixedly connected with driving chain.
Specifically, the telescoping mechanism includes telescopic cylinder and air pump, the air pump is fixed on bottom plate, air pump with
Telescopic cylinder is connected.
Specifically, the transmission gear system includes transmission gear, first bevel gear, second bevel gear and transmission shaft,
The transmission gear and first bevel gear is connected to the both ends of transmission shaft, and the second bevel gear is connected to motor shaft
On, first bevel gear and second bevel gear engagement.
Specifically, the two sides of the driving chain are respectively fixed with two L-type fixed plates being oppositely arranged, the L
One end of type fixed plate is fixed on driving chain side, and the sky being inserted into for floor level is formed between the other end and driving chain
Gap.
Further, the first rotating wheel is provided at the top of the radar detedtor.
Further, the device further includes guide rail and the second rotating wheel that base bottom is arranged in, the guide rail
It is laid on the bottom of the second rotating wheel；The base interior is provided with the second motor, and the second motor drives the second rotation rotation
It is dynamic.
Further, the detection device further includes the ultrasound examination module of disturbance of perception, the ultrasonic wave inspection
Module is surveyed to be arranged in around radar detection machine.
Compared with prior art, the utility model has the beneficial effects that
(1) detection to tunnel vault vertical and horizontal section may be implemented in the detection device of the utility model, realizes tunnel
Effective monitoring of road recessiveness defect；Radar detedtor in the detection device of the utility model can be radially extended along track, energy
Enough it is close to tunnel surface, it is ensured that the coupling of radar antenna and tunnel vault improves detection accuracy；The walking rail of the utility model
By being made of two supporting tracks and the main orbit for driving radar detection machine to walk, radar detection machine walking process is steady in road
It is fixed, improve the accuracy of detection.
(2) detection device of the utility model is arranged in tunnel, and contact vehicle can walk under arched track, is being detected
Shi Wuxu closes tunnel, does not influence normal traffic.
(3) detection device of the utility model also has barrier avoiding function, is perceived by the ultrasound examination module of setting
Obstacle, and automatic obstacle-avoiding is realized by the movement of control telescoping mechanism mechanism.
Other feature and advantage of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the track of the utility model.
Fig. 3 is the rolling mechanism of the utility model and the connection schematic diagram of track.
Fig. 4 is the structural schematic diagram of rolling mechanism.
Fig. 5 is the connection schematic diagram of driving chain.
Fig. 6 is the connection schematic diagram of radar detection machine and driving chain.
Fig. 7 is the structural schematic diagram of transmission gear system.
Each label indicates in figure are as follows: 1- pedestal, 2- radar detection machine, and 3- track, 4- driving chain, 5- rolling mechanism,
6- transmission gear system, 7- first motor, 8- guide rail, the second motor of 9-；
The second rotating wheel of 11-；
21- bottom plate, 22- telescoping mechanism, 23- radar detedtor, the close switch of 24-, the first rotating wheel of 25-, 26- ultrasonic wave
Detection module；
221- telescopic cylinder, 222- air pump；
31- main orbit, 32- supporting track；311- supports gear；321- protrusion；
41-L type fixed plate；
51- roller system, 52- connector；511- idler wheel, 512- connecting shaft；
61- transmission gear, 62- first bevel gear, 63- second bevel gear, 64- transmission shaft.
Explanation is further explained in detail below in conjunction with particular content of the drawings and specific embodiments to the utility model.
Specific embodiment
Be given below specific embodiment of the present utility model, it should be noted that the utility model be not limited to it is following
Specific embodiment, all equivalent transformations made on the basis of the technical solutions of the present application each fall within the protection scope of the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refer to
It is defined on the basis of the drawing of respective drawings, " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in Figure 1, the utility model discloses a kind of tunnel defect detecting device based on radar detection, including pedestal
1, radar detection machine 2 and the track 3 mobile for radar detection machine；Track 3 is arch, and the both ends of arched track are connected to base
On seat 1, the driving chain 4 of direction along ng a path transmission is equipped on track 3, radar detection machine 2 is connected on driving chain 4,
Driving chain 4 drives radar detection machine 2 to move along track 3.Specifically, as shown in Fig. 2, track 3 includes 31 He of main orbit
The supporting track 32 of 31 two sides of main orbit is set, and main orbit 31 and supporting track 32 are arch, the bottom of radar detection machine 2
Portion is overlapped on two supporting tracks 32 across main orbit 31；Driving chain 4 is laid on main orbit 31, and along 31 side of main orbit
To transmission.The walking track of the utility model passes through by two supporting tracks and the main orbit group for driving radar detection machine to walk
At radar detection machine walking process is stablized, and the accuracy of detection is improved；It may be implemented disconnected to tunnel vault vertical and horizontal
Effective monitoring of tunnel recessiveness defect is realized in the detection in face；And the radar detedtor in detection device can radially prolong along track
It stretches, tunnel surface can be close to, it is ensured that the coupling of radar antenna and tunnel vault improves detection accuracy.
Specifically, as shown in figure 3, the upper surface center of supporting track 32 and lower surface center symmetric setting have protrusion 321,
So that the cross section of supporting track is " ten " font, protrusion 321 extends along supporting track direction, and detections of radar mechanism 2 passes through rolling
Motivation structure 5 is connected on supporting track 32.Rolling mechanism 5 includes the company of two roller systems 51 of two roller systems 51 and connection
Fitting 52, connector are L-type plate, and wherein one end of L-type plate is fixed in two connecting shafts, and the other end is machined with screw
Hole, and screw hole is also processed in the corresponding position of bottom plate, it is connected by screw to；Each roller system 51 includes two idler wheels 511
With the connecting shaft 512 of connection idler wheel 511；Two roller systems 51 are symmetricly set on the upper and lower surfaces of supporting track 32
On, two idler wheels 511 in each roller system are arranged on the supporting track 32 of raised two sides, and in two roller systems
The same side of connecting shaft 512 be connected on same a connection piece 52 so that idler wheel 511 is stuck in the convex of connector 52 and supporting track
It rises between 321 edge；Connector 52 is connected to the bottom of radar detection machine 2.This rolling mechanism ensure that upper part
The stability of radar detection machine 2 improves the reliability of detection.Preferably, in order to further increase the moving stability, each
At least two idler wheel mechanisms 5 are provided on supporting track 32.
Specifically, pedestal 1 is two independent pedestal compositions, two pedestals are connected to two bottom ends of track 3.
Optionally, driving chain 4 is the closed chain of head and the tail connection, which is socketed on main orbit 31；Specifically
, main orbit 31 is made of three stringcourse shape support frames, wherein being respectively arranged with one and biography by the frame bottom supported on both sides on top
Dynamic 4 meshed gears of chain, closed chain is supported on the frame supported on both sides on top, and is set in every layer of support frame along its circumferential direction
It is equipped with multiple support gears 311 to engage with driving chain 4, to have the function that be tensioned and hold driving chain.
The bottom of main orbit 31 is provided with a pair of of transmission gear system 6, specifically, as shown in Fig. 2, transmission gear is arranged
On pedestal 1, driving chain 4 is engaged with the transmission gear 61 in transmission gear system 6, and transmission gear system 6 passes through the first electricity
Machine 7 drives, specifically, the end of pedestal is arranged in first motor 7.
Specifically, as shown in fig. 6, radar detection machine 2 includes bottom plate 21, telescoping mechanism 22, radar detedtor 23 and connects
Nearly switch 24, radar detedtor 23 pass through telescoping mechanism 22 and are connected on bottom plate 21, enable the top of radar detedtor 23
It squeezes and withstands on detection tunnel, wherein telescoping mechanism 22 includes telescopic cylinder 221 and air pump 222, and air pump 222 is fixed on bottom plate 21
On, air pump 222 and telescopic cylinder 221 are connected.It is arranged on radar detedtor 23 close to switch 24, it is flexible close to the control of switch 24
The start and stop of mechanism.Bottom plate 21 is fixedly connected with driving chain 4, specifically, as shown in fig. 6, solid respectively in the two sides of driving chain 4
Fixed there are two the L-type fixed plate 41 being oppositely arranged, one end and 4 side of driving chain of L-type fixed plate 41 are affixed, the other end and biography
The gap being horizontally inserted into for bottom plate 21 is formed between the surface of dynamic chain 4, this connection type is relative to directly welding or bolt
Fixation is connect, it is easy to disassemble and small to the damage of component.
Specifically, as shown in fig. 7, transmission gear system 6 includes transmission gear 61, first bevel gear 62, second bevel gear
63 and transmission shaft 64, transmission gear 61 and first bevel gear 62 are connected to the both ends of transmission shaft 64, and second bevel gear 63 connects
It connects on motor shaft, first bevel gear 62 and second bevel gear 63 engage.First motor 7 drives each in transmission gear system 6
A gear drive, and then drive driving chain transmission.
Further, in one embodiment of the utility model, as shown in fig. 6, when detecting by radar detedtor top
It is close to tunnel surface to ensure the coupling of radar antenna and tunnel vault, in order to reduce at the top of radar detedtor and tunnel in portion
The first rotating wheel 25 is arranged in frictional force at the top of radar detedtor 23.
Further, in one embodiment of the utility model, as shown in Figure 1, device further includes that guide rail 8 and setting exist
Second rotating wheel 11 of 1 bottom of pedestal, guide rail 8 are laid on the bottom of the second rotating wheel 11；Pedestal 1 is internally provided with the second motor
9, the second motor 9 drives the rotation of the second rotating wheel 11, specifically, the end of pedestal is arranged in the second motor 9, with first motor pair
It should be arranged.
Further, in one embodiment of the utility model, which further includes the ultrasonic wave of disturbance of perception
Detection module 26, as shown in fig. 6, the surrounding of radar detedtor 23 is arranged in ultrasound examination module 26, when perceiving obstacle, control
Solenoid valve commutates in system processed, and control telescopic cylinder 221 retracts, and air pump 222 supplies again when far from obstacle, makes telescopic cylinder 221
It stretches out.In the present embodiment, just determine detecting distance be 50 centimeters when cylinders retract, when barrier far from when, telescopic cylinder is being stretched
Out, and with close to switch 24 outreach is controlled.
The course of work of the utility model:
Step 1), air pump 222 work, so that telescopic cylinder 221 extends, drive the radar detedtor 23 at the top of it along track
3 move radially, and when close to switch 24 close to tunnel wall, air pump 222 stops gas supply, and telescopic cylinder 221 is not stretching, and visit radar
The position for surveying device 26 is relatively fixed；
Step 2), starting first motor 7 work, and pass through first bevel gear 62, second bevel gear 63 and transmission gear 61
Rotation drives driving chain 4 to be driven, and driving chain 4 drags detections of radar mechanism 2 and circumferentially moves along tunnel, radar detedtor 23
It is close to tunnel wall along tunnel circumferential movement, detects the one week situation in tunnel；
After step 3), radar detedtor 23 move one week at the gear of track other end bottom, first motor 7 stops,
The starting of second motor 9 drives whole device to be axially moved along tunnel, and the distance of movement is about the detection half of radar detedtor
Diameter
Step 4), when whole device movement in place after, starting first motor 7 simultaneously invert motor work, repeat step 2 to step
It is rapid 3), realize the omnidirectional detection in tunnel.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way, it is same as long as it is without prejudice to the thought of the utility model
It should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of tunnel defect detecting device based on radar detection, which is characterized in that including pedestal (1), radar detection machine
(2) and for radar detection machine the track (3) moved；
The track (3) includes main orbit (31) and the supporting rail of main orbit (31) two sides is axially and symmetrically arranged in along main orbit
Road (32), the main orbit (31) and supporting track (32) are arch, the main orbit (31) and supporting track (32)
Both ends be both connected on the pedestal (1), the bottom transverse of the radar detection machine (2) is overlapped on across main orbit (31)
On two supporting tracks (32)；
The driving chain (4) along the transmission of its orbital direction, the radar detection machine are equipped on the main orbit (31)
(2) it is connected on driving chain (4), the driving chain (4) drives radar detection machine (2) mobile along track (3)；
The radar detection machine includes radar detedtor (23), and the radar detedtor (23) can be along main orbit
(31) radial reciprocating movement.
2. the tunnel defect detecting device based on radar detection as described in claim 1, which is characterized in that the supporting rail
The upper surface center in road (32) and lower surface center symmetric setting have raised (321), and the protrusion (321) is along supporting track side
To extension, the detections of radar mechanism (2) is connected on the supporting track (32) by rolling mechanism (5)；
The rolling mechanism (5) includes the connector (52) of two roller systems (51) of two roller systems (51) and connection,
Each roller system (51) includes two idler wheels (511) and the connecting shaft (512) for connecting idler wheel (511)；Two roller systems
(51) it is symmetricly set in the upper and lower surfaces of supporting track (32), two in each roller system idler wheel (511) is set
It sets on the supporting track (32) of raised two sides, and the same side of the connecting shaft (512) in two roller systems is connected to together
On a connection piece (52), so that idler wheel (511) is stuck between the edge of the protrusion (321) of connector (52) and supporting track；Institute
The connector (52) stated is connected to the bottom of radar detection machine (2).
3. the tunnel defect detecting device based on radar detection as described in claim 1, which is characterized in that the transmission chain
Item (4) is the closed chain of head and the tail connection, which is socketed on main orbit (31)；The bottom of the main orbit (31)
It is provided with a pair of of transmission gear system (6), the transmission gear (61) in the driving chain (4) and transmission gear system (6)
Engagement, the transmission gear system (6) are driven by first motor (7).
4. the tunnel defect detecting device based on radar detection as described in claim 1, which is characterized in that the radar is visited
Surveying mechanism (2) includes that bottom plate (21), telescoping mechanism (22), radar detedtor (23) and close switch (24), the radar are visited
Device (23) are surveyed to be connected on bottom plate (21) by telescoping mechanism (22), it is described to be arranged close to switch (24) in radar detedtor
(23) on, close to the start and stop of switch (24) control telescoping mechanism；The bottom and driving chain (4) of the bottom plate (21) are fixed to be connected
It connects.
5. the tunnel defect detecting device based on radar detection as claimed in claim 4, which is characterized in that the telescopic machine
Structure (22) includes telescopic cylinder (221) and air pump (222), and the air pump (222) is fixed on bottom plate (21), air pump (222)
It is connected with telescopic cylinder (221).
6. the tunnel defect detecting device based on radar detection as claimed in claim 3, which is characterized in that the driving cog
Wheel system (6) includes transmission gear (61), first bevel gear (62), second bevel gear (63) and transmission shaft (64), the biography
Moving gear (61) and first bevel gear (62) are connected to the both ends of transmission shaft (64), the second bevel gear (63) connection
On motor shaft, first bevel gear (62) and second bevel gear (63) engagement.
7. the tunnel defect detecting device based on radar detection as claimed in claim 4, which is characterized in that the transmission chain
The two sides of item (4) are respectively fixed with two L-type fixed plates (41) being oppositely arranged, and one end of the L-type fixed plate (41) is solid
It is scheduled on driving chain (4) side, forms the gap being horizontally inserted into for bottom plate (21) between the other end and driving chain (4).
8. the tunnel defect detecting device based on radar detection as claimed in claim 4, which is characterized in that the radar is visited
It surveys at the top of device (23) and is provided with the first rotating wheel (25).
9. the tunnel defect detecting device based on radar detection as described in claim 1, which is characterized in that the device is also
Including guide rail (8) and the second rotating wheel (11) in pedestal (1) bottom is set, the guide rail (8) is laid on the second rotating wheel
(11) bottom；The pedestal (1) is internally provided with the second motor (9), and the second motor (9) drives the second rotating wheel (11) to turn
It is dynamic.
10. the tunnel defect detecting device based on radar detection as described in claim 1, which is characterized in that the detection
Device further includes the ultrasound examination module (26) of disturbance of perception, and the ultrasound examination module (26) is arranged in radar detection
Around mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821503820.2U CN209280943U (en) | 2018-09-14 | 2018-09-14 | A kind of tunnel defect detecting device based on radar detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821503820.2U CN209280943U (en) | 2018-09-14 | 2018-09-14 | A kind of tunnel defect detecting device based on radar detection |
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| CN201821503820.2U Expired - Fee Related CN209280943U (en) | 2018-09-14 | 2018-09-14 | A kind of tunnel defect detecting device based on radar detection |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426683A (en) * | 2019-08-29 | 2019-11-08 | 上海圭目机器人有限公司 | A kind of tunnel detector |
| CN110455328A (en) * | 2019-08-29 | 2019-11-15 | 上海圭目机器人有限公司 | A kind of testing agency that can be adaptively bonded detected face |
| CN110542886A (en) * | 2019-09-06 | 2019-12-06 | 上海市基础工程集团有限公司 | Ground penetrating radar special machine tool for shield tunnel grouting detection |
| CN111289973A (en) * | 2020-03-25 | 2020-06-16 | 成都西南交大研究院有限公司 | Method and equipment for detecting tunnel section |
| CN111929646A (en) * | 2020-08-14 | 2020-11-13 | 中国地质大学（北京） | Beam scanning ground penetrating radar system and intelligent beam scanning detection method |
| CN113465636A (en) * | 2021-06-04 | 2021-10-01 | 中交第一公路勘察设计研究院有限公司 | Tunnel secondary lining distributed optical fiber automatic laying device and method |
| CN113960683A (en) * | 2021-09-18 | 2022-01-21 | 中铁西南科学研究院有限公司 | Horizontal hole in-hole detection device for tunnel advanced geological detection |
| CN114397645A (en) * | 2022-01-20 | 2022-04-26 | 广州市博睿仪器科技有限公司 | Perspective imaging device for radar detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110455328B (en) * | 2019-08-29 | 2021-09-17 | 上海圭目机器人有限公司 | Detection mechanism capable of being self-adaptively attached to detected surface |
| CN110455328A (en) * | 2019-08-29 | 2019-11-15 | 上海圭目机器人有限公司 | A kind of testing agency that can be adaptively bonded detected face |
| CN110426683A (en) * | 2019-08-29 | 2019-11-08 | 上海圭目机器人有限公司 | A kind of tunnel detector |
| CN110542886A (en) * | 2019-09-06 | 2019-12-06 | 上海市基础工程集团有限公司 | Ground penetrating radar special machine tool for shield tunnel grouting detection |
| CN110542886B (en) * | 2019-09-06 | 2023-01-24 | 上海市基础工程集团有限公司 | Ground penetrating radar special machine tool for shield tunnel grouting detection |
| CN111289973A (en) * | 2020-03-25 | 2020-06-16 | 成都西南交大研究院有限公司 | Method and equipment for detecting tunnel section |
| CN111929646A (en) * | 2020-08-14 | 2020-11-13 | 中国地质大学（北京） | Beam scanning ground penetrating radar system and intelligent beam scanning detection method |
| CN113465636A (en) * | 2021-06-04 | 2021-10-01 | 中交第一公路勘察设计研究院有限公司 | Tunnel secondary lining distributed optical fiber automatic laying device and method |
| CN113960683A (en) * | 2021-09-18 | 2022-01-21 | 中铁西南科学研究院有限公司 | Horizontal hole in-hole detection device for tunnel advanced geological detection |
| CN113960683B (en) * | 2021-09-18 | 2023-05-19 | 中铁西南科学研究院有限公司 | Horizontal hole in-hole detection device for advanced geological detection of tunnel |
| CN114397645A (en) * | 2022-01-20 | 2022-04-26 | 广州市博睿仪器科技有限公司 | Perspective imaging device for radar detection |
| CN117930141A (en) * | 2024-03-25 | 2024-04-26 | 湖北高路公路工程监理咨询有限公司 | Tunnel defect detection device and method based on radar detection |
| CN117930141B (en) * | 2024-03-25 | 2024-06-11 | 湖北高路公路工程监理咨询有限公司 | Tunnel defect detection device and method based on radar detection |
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Granted publication date: 20190820 |