CN107272075A - Vehicle-mounted railway tunnel vault geological radar continuous detecting system - Google Patents
Vehicle-mounted railway tunnel vault geological radar continuous detecting system Download PDFInfo
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- CN107272075A CN107272075A CN201710515338.4A CN201710515338A CN107272075A CN 107272075 A CN107272075 A CN 107272075A CN 201710515338 A CN201710515338 A CN 201710515338A CN 107272075 A CN107272075 A CN 107272075A
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- vault
- strut
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- tunnel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
Abstract
The present invention relates to a kind of vehicle-mounted railway tunnel vault geological radar continuous detecting system, including engineering truck, workbench, hydraulic elevator platform, tunnel cross-section laser detection mechanism, vault support rod mechanism and vault radar antenna testing agency.Strut main body has two sections of strut arms in the vault support rod mechanism, by the regulation bearing pin connection of strut arm between two strut arms, the lifting and rotation of two-freedom are realized by hydraulic elevator platform and strut motor two strut arms of drive, the radar antenna in the vault radar antenna testing agency on strut main body top is set to be stretched between tunnel vault inwall and contact net among all gaps, each region that vault needs to detect is scanned, the detection white space of tunnel vault is reduced to close to zero.The system can avoid the obstacles such as contact net when detecting by the routing motion between mechanism, radar antenna, reduce vault support rod mechanism etc. frequently, fast lifting, and control simple and reliable property high, realize that continuous detection improves detection efficiency and quality.
Description
Technical field
The present invention relates to a kind of tunnel vault GPR detection system, concretely relate to a kind of vehicle-mounted type can edge
Railway tunnel depth carries out GPR detection, and can avoid the facilities such as the overhead contact net in tunnel automatically, realizes continuous
The vehicle-mounted railway tunnel vault geological radar continuous detecting system of property, high efficiency and high quality detection.
Background technology
With the complicated case of continuing to develop for China railways traffic, with adding Along Railway condition, the quantity of railway tunnel
Also increasing year by year, the tunnel geology harm being exposed during long-term operation happens occasionally.This is accomplished by a kind of efficient
Tunnel-liner geology quality can be carried out the equipment of comprehensive quick detection to adapt to the development of railway traffic automatically.
In recent years, lead with being applied to railway tunnel by quality detection for domestic existing more advanced geological radar non-destructive testing technology
Domain.Geological radar non-destructive testing technology overcomes conventional being spot-check by range estimation and punching and subjective detection is carried out to tunnel geology quality
The disadvantage detected with Points replacing surfaces, but the geological radar non-destructive testing technology used at present there is also some problems and be badly in need of into one
Step is solved.Such as " tunnel arch crown detection device " that China Patent No. is 201210245314.9, the device utilizes rope sheave telescopic machine
Structure applies buffer gear radar is avoided overhead route to substitute man-hour manually hand-held GPR detection, and among dolly is advanced
Frame, the safety and stability of detection has a certain degree of raising；Its weak point：One is that used buffer gear can only
Damage of the geological radar caused by collision when playing cushioning effect, and can not avoid the vault to detect completely；Simultaneously because using
The buffer gear of Elastic Contact makes geological radar avoid overhead coil holder, and it is white so to certainly exist detection in overhead coil holder surrounding
Area；It is another be the device when not working although using fold mechanism by detection means horizontal positioned, conveniently transporting and reducing
The vertical space that device is deposited when idle, but due in device the length of telescoping mechanism in itself determine horizontal placement space according to
It is so very big.
Chinese patent net also discloses " the vehicle-mounted tunnel-liner radar detection device " of Application No. 201511023416.6,
The technology is partially improved to foregoing patented technology, but the geological radar that vault detection means part is present is because of collision institute
The deficiency such as the damage caused and presence detection white area is not solved still well.
The content of the invention
The invention aims to solve the problem of currently available technology is present, and propose that one kind is simple in construction, can fit
Answer different tunnel vault inwall operating modes, easy to operate and efficient vehicle-mounted railway tunnel vault geological radar continuous detecting system,
And radar antenna can avoid overhead contact net automatically during system work, and railway tunnel vault inwall continuously can be detected,
Realize that the detection white space of the overhead contact net both sides of vault is reduced to the Detection results close to zero.
To achieve these goals, the technical measures taken of the present invention are：A kind of vehicle-mounted railway tunnel vault geology is provided
Radar continuous detecting system, provided with engineering truck, workbench, hydraulic elevator platform, tunnel cross-section laser detection mechanism, vault strut machine
Structure and vault radar antenna testing agency；Described engineering truck is used to fix and carry whole system and realize to move up in road
Dynamic, workbench is fixed on engineering truck；
Described hydraulic elevator platform is provided with lifting platform base, stay wire sensor, hydraulic pressure scissor component and lifting platform table top, institute
The lifting platform base stated is fixed on the table, and is fixed on by support on engineering truck；Set in described hydraulic pressure scissor component
There are two hydraulic cylinders, two hydraulic cylinders provide power for the lifting of lifting platform table top；Stay wire sensor is arranged on lifting platform base,
When hydraulic cylinder pulls the lifting of lifting platform table top, stay wire sensor is used for the letter of collection in real time and feedback lifting platform table position
Breath, and then the stability contorting of the adjustable height formation closed loop to lifting platform table top；
Described tunnel cross-section laser detection mechanism is provided with the adjustable laser sensor of angles and positions, is installed on workbench
Above and before hydraulic elevator platform, tunnel cross-section laser detection mechanism is used for when detecting system works beforehand through laser
Tunnel vault profile scanning is carried out, by laser scanning, hydraulic pressure scissor component controls hydraulic lifting according to the data of Scanning Detction
Platform adjustable height, while the strut motor operation in the described vault support rod mechanism of control, adjusts the position of strut main body,
For avoiding the vault radar antenna testing agency installed in strut main body top from colliding vault inwall；
Described vault support rod mechanism is adjusted provided with strut column, balancing weight, strut motor, strut main body and strut arm
Save bearing pin；Described strut column is fixed on hydraulic elevator platform, and balancing weight and strut motor are installed in strut column upper end,
Balancing weight is used for balance drive torque；Described strut main body is provided with upper and lower two sections of strut arms, and lower supporting rod arm front end is driven with strut
Dynamic motor connection, upper strut arm upper end is connected with vault radar antenna testing agency, adjusted between upper and lower strut arm by strut arm
Bearing pin connection is saved, strut motor coordinates with strut arm regulation bearing pin plays rotary joint, for adjusting two sections of struts
The angle that arm is strutted or reclaimed, drives two sections of strut arms of strut main body to realize two by hydraulic elevator platform and strut motor
The lifting and rotation of the free degree, the extended position of regulation vault radar antenna testing agency；
Described vault radar antenna testing agency is provided with radar antenna fine setting motor, parallelogram fine setting group
Part, radar antenna and supersonic detector；Supersonic detector is used to detect distance between radar antenna and tunnel vault inwall
And the range information is fed back, finely tuning motor by control radar antenna rotates, and drives parallelogram trimming assembly to adjust
Save the pose of radar antenna；Vault radar antenna testing agency is used to complete the longitudinally detection of whole tunnel vault one-way road.
Described workbench is provided with work top, table base and staircase, and table base is used for support works table top
The testing agency of upper installation, staircase is used for operating personnel and stretched to work top to adjust the strut main body of vault support rod mechanism
The angle of exhibition.
When described vault radar antenna testing agency is detected, the distance between radar antenna and tunnel vault inwall
For 1~3cm.
When described tunnel cross-section laser detection mechanism detects vault inwall operating mode, detecting system is fed back by laser scanning
Detection data fluctuation or stably, it is automatic to carry out classification control：
If tunnel vault inwall section has reducing, raised bounce, i.e. tunnel cross-section laser detection mechanism feedback detects number
According to there is fluctuation, then detecting system adjusts vault thunder by adjusting the height of lifting platform table top and controlling strut motor to rotate
Up to the reference position of antenna detection mechanism, and control radar antenna finely tunes motor rotation, drives parallelogram fine setting group
Part adjusts the pose of radar antenna；
If tunnel vault interior walls be smooth, i.e., the detection data stabilization that tunnel cross-section laser detection mechanism feeds back then detects system
System only adjusts the rotation that radar antenna finely tunes motor, drives parallelogram trimming assembly to adjust the pose of radar antenna.
The vehicle-mounted railway tunnel vault geological radar continuous detecting system of the present invention has compared with existing radar detection technique
Have the advantage that：
1st, detecting system of the invention detects that feedack controls strut to drive by tunnel cross-section laser detection mechanism
Motor, and by the rotation of supersonic detector feedack control radar antenna fine setting motor, realize automation
Detection, and after the detecting system of the present invention disposably adjusts the normal condition of each detection components, need not be kept away in detection process
Barrier, thus engineering truck gait of march than existing detection technique road speed faster, can significantly improve detection efficiency.
2nd, parallelogram trimming assembly is employed in the vault radar antenna testing agency of detecting system of the invention, rung
Answer that speed is fast, stability is good.
3rd, automatic obstacle-avoiding is understood when detecting system biggest advantage of the invention is work and detection clear area is significantly decreased,
It is simple to operate.This detecting system can realize the detection that is longitudinally continuous of tunnel vault inwall geologic structure, especially vault strut
The strut main body of mechanism employs the lifting and rotation that two sections of strut arms realize two-freedom, and vault radar day can be adjusted on a large scale
The position of line, makes detection clear area be reduced to close to zero, detection range is big and detection quality is high, improves the peace of railway transportation
Quan Xing.
4th, detecting system of the invention is simple in construction, is easy to assemble, conveniently controls, it is adaptable to the electrification that environment is complicated
The detection of railway tunnel vault lining cutting, popularizing application prospect is good.
Brief description of the drawings
Structural representation when Fig. 1 works for the vehicle-mounted railway tunnel vault geological radar continuous detecting system of the present invention.
Fig. 2 is the workbench, hydraulic elevator platform and vault support rod mechanism dimensional structure diagram of the system.
Fig. 3 is the vault support rod mechanism and vault radar antenna testing agency structural representation of the system.
Fig. 4 is the system structural representation when tunnel traveling support bar main part is withdrawn.
Fig. 5 is the structural representation that strut main body is withdrawn completely when the system does not work.
In above-mentioned figure：1- engineering trucks；2- workbench；3- hydraulic elevator platforms；4- tunnel cross-section laser detection mechanisms；5- vaults
Support rod mechanism；6- vault radar antennas testing agency；7- vault inwalls；8- contact nets；30- lifting platform bases；31- hydraulic pressure scissors
Component；32- stay wire sensors；33- lifting platform table tops；51- strut columns；52- balancing weights；53- strut motors；54- is supportted
Bar main body；55- struts arm adjusts bearing pin；61- radar antennas finely tune motor；62- parallelogram trimming assemblies；63- thunders
Up to antenna；64- supersonic detectors.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but the implementation of the present invention is not limited to
This.
Embodiment 1：The present invention provides a kind of vehicle-mounted railway tunnel vault geological radar continuous detecting system, and its structure is as schemed
Shown in 1, provided with engineering truck 1, workbench 2, hydraulic elevator platform 3, tunnel cross-section laser detection mechanism 4, vault support rod mechanism 5 and arch
Push up radar antenna testing agency 6.
Referring to Fig. 1, shown in Fig. 1 is the example that the present invention longitudinally detects vault to the railway tunnel of single file.Described work
Journey car 1 can advance on rail, be moved for fixing and carrying whole system and realize on road.
Described workbench 2 is fixed on engineering truck, and workbench is provided with work top, table base and staircase, work
Platform base is used for all testing agencies installed on support works table top, and staircase is convenient to operating personnel to work top, with
Just the angle that adjustment strut arm stretches.
Described hydraulic elevator platform 3 is provided with lifting platform base 30, hydraulic pressure scissor component 31, stay wire sensor 32 and lifting platform
Table top 33；Lifting platform floor installation on workbench 2, the hydraulic elevator platform 3 of design can shorten two sections of strut arms length and
Movement travel.Described hydraulic pressure scissor component 31 provides dynamic provided with two hydraulic cylinders, two hydraulic cylinders for the lifting of lifting platform table top
Power, stay wire sensor 32 is arranged on lifting platform base, and when hydraulic cylinder pulls lifting platform table top 33 to lift, stay wire sensor is used
In real-time collection and the information of feedback lifting platform table position, and then the stabilization of the adjustable height formation closed loop to lifting platform table top
Control.
As shown in Fig. 2 described tunnel cross-section laser detection mechanism 4 is installed on workbench 2, and positioned at hydraulic elevator platform
Before 3.Tunnel cross-section laser detection mechanism is provided with the adjustable laser sensor of angles and positions, pre- when detecting system works
Profile scanning, the number that hydraulic pressure scissor component 31 feeds back according to laser scanning inspection are first carried out to tunnel vault inwall 7 using laser
According to two hydraulic cylinders in driving hydraulic pressure scissor component provide power, the table top lifting of control lifting platform for the lifting of lifting platform table top
To a height, the strut motor in vault support rod mechanism is run simultaneously, the position that the two-arm of control strut main body 54 stretches
Put, it is to avoid the collision tunnel vault inwall of vault radar antenna testing agency 67.
As shown in figure 3, described vault support rod mechanism 5 provided with strut column 51, balancing weight 52, strut motor 53,
Strut main body 54 and strut arm regulation bearing pin 55；Described strut column 51 is fixed on lifting platform table top 33, on strut column
Balancing weight 52 and strut motor 53 are installed in end, and balancing weight is used for balance drive torque；Described strut main body 54 provided with it is upper,
Lower two sections of strut arms, lower supporting rod arm front end is connected with strut motor 53, and upper strut arm upper end is detected with vault radar antenna
Mechanism 6 is connected, and adjusting bearing pin 55 by strut arm between two sections of strut arms connects, and the rotation of strut motor is to lower supporting rod arm
Work, the rotation of strut arm regulation bearing pin is worked to upper lower supporting rod arm opened with certain angle, both are used to adjust two sections of supports
The angle that lever arm is strutted or reclaimed, contact net 8 is avoided when being easy to two strut arms to move using the design of two sections of strut arms；Vault is supportted
Linkage 5 drives two sections of strut arms of strut main body 54 to turn by the hydraulic elevator platform and described strut motor 53 of lower section
The dynamic two-freedom for realizing lifting and rotation, the scan position of radar antenna 63 can be adjusted on a large scale.
Described vault radar antenna testing agency 6 is provided with radar antenna fine setting motor 61, parallelogram fine setting
Component 62, radar antenna 63 and supersonic detector 64；The radar antenna and tunnel vault detected by supersonic detector
The information of distance between inwall 7, is fed back and control radar antenna fine setting motor is rotated, and drives parallelogram trimming assembly
Adjust the pose of radar antenna；Vault radar antenna testing agency 6 is used to complete the longitudinally detection of whole tunnel vault one-way road.
Structure graph when Fig. 4 withdraws for the part of strut main body 54 in vault support rod mechanism 5, Fig. 5 is system not
The structure graph that strut main body is withdrawn completely during work.The upright height of the system after strut main body is withdrawn completely as seen from Figure 5
Degree substantially reduction, and do not increase the width of the system horizontal direction, parking space when conveniently transporting and reduce system idle.
Between radar antenna and tunnel vault inwall that the detecting system of the present invention is detected by supersonic detector
Distance, feedback range information is used to control fine setting motor to rotate, using parallelogram trimming assembly, fast response time,
Stability is good.
Embodiment 2：The present invention the vehicle-mounted railway tunnel vault geological radar continuous detecting system course of work be：
Start before detection, engineering truck 1 is placed on railroad track, workbench 2 is fixed on engineering truck 1, by hydraulic lifting
Platform 3, tunnel cross-section laser detection mechanism 4, vault support rod mechanism 5, vault radar antenna testing agency 6 etc. are fixed to specific bit
Put, as shown in Figure 1.Then strut arm, vault radar antenna testing agency 6 are deployed according to the following steps close to tunnel vault inwall 7.
1st, bearing pin 55 is adjusted by strut arm and regulates upper strut arm distraction angle manually by design load；Hydraulic elevator platform 3
In stay wire sensor 32 work, the displacement data fed back according to stay wire sensor adjusts hydraulic pressure scissor component 31 so that liquid
Two hydraulic cylinders set in compression shear fork component；Hydraulic cylinder pulls lifting platform table top 33 to lift；Lifting platform table top rises, vault
Support rod mechanism 5 also rises to target location, and control strut motor 53 rotates an angle, strut arm is stretched over highest
Position, and safe distance is kept with contact net 8, make radar antenna between 1~3 centimetre of tunnel vault inwall, complete to prepare
Work.
2nd, the minimum frequency sampled according to radar antenna determine engineering truck 1 advance speed；Start detection, such as Fig. 2,3
Shown, the tunnel cross-section laser detection mechanism 4 before hydraulic elevator platform 3 detects that tunnel encircles in real time using laser scanning first
The operating mode of the section of inwall 7 is pushed up, detecting system carries out classification control automatically by the change size of laser scanning feedback data：
If tunnel vault inwall 7 has big reducing, the bounce of big projection, i.e. the inspection of tunnel cross-section laser detection mechanism feedback
Survey data variation greatly, then detecting system is adjusted by adjusting the height of lifting platform table top 33 and controlling strut motor 53 to rotate
The reference position of whole vault radar antenna testing agency 6, and control radar antenna fine setting motor 61 rotate, drive parallel four
Side shape trimming assembly 62 adjusts the pose of radar antenna 63；
If tunnel vault inwall 7 is smoother, i.e. the change of the detection data of tunnel cross-section laser detection mechanism feedback is small,
Then only regulation radar antenna finely tunes the rotation of motor 61, drives parallelogram trimming assembly 62 to adjust the position of radar antenna
Appearance.
3rd, in detection process, detecting system also adjusts radar antenna fine setting driving electricity by supersonic detector 64 in real time
Machine 61, drives parallelogram trimming assembly 62 to move, it is ensured that the distance of radar antenna 63 and tunnel vault inwall 7 is 1~3 li
The detecting distance of rice.
4th, after the vault detection for completing whole tunnel, strut arm is performed according to opposite direction in step 1, referring to Fig. 4,5, will
Strut main body 54, vault radar antenna testing agency 6 are retracted to and behind position of the contact net 8 away from more than 2m, engineering truck 1 leaves iron
Rail road returns to garage.
Radar antenna 63 can all extend the every nook and cranny that tunnel vault inwall needs to detect automatically in whole detection process
It is scanned, when running into vault inwall and having big projection, tunnel reducing, encounter the special industrial and minerals such as contact net, detecting system also can
Record radar antenna test position, is convenient for defect location and supplement is detected in real time.Complete after detection, engineering truck is in railway row
When entering, strut main body 54, vault radar antenna testing agency 6 will be retracted to safe distance of more than 2 meters away from contact net.
The detecting system of the present invention is simple in construction, is easy to assemble, conveniently controls, and can realize that detection clear area is reduced to close
In zero Detection results, this detecting system is applied to the detection to the complicated electrified railway tunnelses lining cutting vault of environment, promotes
Application prospect is good.
Claims (4)
1. a kind of vehicle-mounted railway tunnel vault geological radar continuous detecting system, provided with engineering truck, workbench, hydraulic elevator platform,
Tunnel cross-section laser detection mechanism, vault support rod mechanism and vault radar antenna testing agency；Described engineering truck is used to fix
Moved with carrying whole system and realization on road, workbench is fixed on engineering truck；It is characterized in that：
Described hydraulic elevator platform is provided with lifting platform base, stay wire sensor, hydraulic pressure scissor component and lifting platform table top, described
Lifting platform base is fixed on the table, and is fixed on by support on engineering truck；Two are provided with described hydraulic pressure scissor component
Individual hydraulic cylinder, two hydraulic cylinders provide power for the lifting of lifting platform table top；Stay wire sensor is arranged on lifting platform base, in liquid
When cylinder pressure pulls the lifting of lifting platform table top, stay wire sensor is used for the information of collection in real time and feedback lifting platform table position, enters
And the stability contorting of the adjustable height formation closed loop to lifting platform table top；
Described tunnel cross-section laser detection mechanism be provided with the adjustable laser sensor of angles and positions, be installed on workbench and
Before hydraulic elevator platform, tunnel cross-section laser detection mechanism is used to carry out beforehand through laser when detecting system works
Tunnel vault profile scanning, by laser scanning, hydraulic pressure scissor component controls hydraulic elevator platform liter according to the data of Scanning Detction
Drop height, while the strut motor operation in the described vault support rod mechanism of control, adjusts the position of strut main body, be used for
The vault radar antenna testing agency installed in strut main body top is avoided to collide vault inwall；
Described vault support rod mechanism is provided with strut column, balancing weight, strut motor, strut main body and strut arm adjustment pin
Axle；Described strut column is fixed on hydraulic elevator platform, and balancing weight and strut motor, counterweight are installed in strut column upper end
Block is used for balance drive torque；Described strut main body is provided with upper and lower two sections of strut arms, and lower supporting rod arm front end drives electricity with strut
Machine is connected, and upper strut arm upper end is connected with vault radar antenna testing agency, passes through strut arm adjustment pin between upper and lower strut arm
Axle is connected, and strut motor coordinates with strut arm regulation bearing pin plays rotary joint, for adjusting two sections of strut arm supports
The angle opened or reclaimed, drives two sections of strut arms of strut main body to realize two freely by hydraulic elevator platform and strut motor
The lifting and rotation of degree, the extended position of regulation vault radar antenna testing agency；
Described vault radar antenna testing agency is provided with radar antenna fine setting motor, parallelogram trimming assembly, thunder
Up to antenna and supersonic detector；Supersonic detector is used to detect distance and feedback between radar antenna and tunnel vault inwall
The range information, finely tunes motor by control radar antenna and rotates, and drives parallelogram trimming assembly regulation radar
The pose of antenna；Vault radar antenna testing agency is used to complete the longitudinally detection of whole tunnel vault one-way road.
2. vehicle-mounted railway tunnel vault geological radar continuous detecting system according to claim 1, it is characterised in that：It is described
Workbench be provided with work top, table base and staircase, table base is used for the detection installed on support works table top
Mechanism, staircase be used for operating personnel on work top to adjust the angle that the strut main body of vault support rod mechanism stretches.
3. vehicle-mounted railway tunnel vault geological radar continuous detecting system according to claim 1, it is characterised in that：It is described
Vault radar antenna testing agency when being detected, the distance between radar antenna and tunnel vault inwall are 1~3cm.
4. vehicle-mounted railway tunnel vault geological radar continuous detecting system according to claim 1, it is characterised in that：It is described
Tunnel cross-section laser detection mechanism detection vault inwall operating mode when, the detection data that detecting system is fed back by laser scanning
Fluctuate or stably, classification control is carried out automatically：
If tunnel vault inwall section has reducing, raised bounce, i.e. tunnel cross-section laser detection mechanism feedback detection data have
Fluctuate, then detecting system adjusts vault radar day by adjusting the height of lifting platform table top and controlling strut motor to rotate
The reference position of line testing agency, and the fine setting motor rotation of control radar antenna, drive parallelogram trimming assembly to adjust
Save the pose of radar antenna；
If tunnel vault interior walls be smooth, i.e., tunnel cross-section laser detection mechanism feedback detection data stabilization, then detecting system only
The rotation that radar antenna finely tunes motor is adjusted, drives parallelogram trimming assembly to adjust the pose of radar antenna.
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