CN108286433A - A kind of shield tunnel testing agency and its application method - Google Patents
A kind of shield tunnel testing agency and its application method Download PDFInfo
- Publication number
- CN108286433A CN108286433A CN201810132729.2A CN201810132729A CN108286433A CN 108286433 A CN108286433 A CN 108286433A CN 201810132729 A CN201810132729 A CN 201810132729A CN 108286433 A CN108286433 A CN 108286433A
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- Prior art keywords
- shield tunnel
- radar antenna
- testing agency
- detection
- shield
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
Abstract
The present invention discloses a kind of shield tunnel testing agency and its application method, the shield tunnel testing agency includes detection platform component, guide assembly, control assembly, the shield tunnel testing agency is arranged in the first vehicle frame of shield machine front, the detection platform component and guide assembly flexible connection, the control assembly are connect with the detection platform module data；The detection platform component includes driving device, lifting gear, detection device, and the radar antenna is connect by the lifting gear with the driving device；The present invention realizes autonomous detection apparent to shield tunnel construction and wall thickness defect by shield tunnel testing agency structure setting and the control assembly to the analysis of control instruction.
Description
Technical field
The present invention relates to shield tunnel testing equipment fields, and in particular to a kind of shield tunnel testing agency and its user
Method.
Background technology
With the development of China's modernization construction, urbanization degree improves rapidly, and urban population, environment increasingly become main
Problem.Using subway as the rapid rail system (RTS) of main line, because of it quickly, punctual, safety, carrying capacity it is big, right
Environment influences small feature and becomes the inevitable choice that many big and medium-sized cities in the world are developed public transport, China coast city underground
Circuit usually requires to pass through business district and geological condition to be mostly soft layer, therefore shield tunnel has become under urban environment
The main construction method of subway tunnel, moreover, in various more river vcehicular tunnel, urban sewage treatment system etc. municipal works
In construction, the application of shield tunnel is also very extensive.But China's Shield-bored tunnels are to experienced different times, not
With what is built under geological conditions and different technologies level, by runing for many years, it is frequently found there are crack and water leakage defect, this
The hidden danger that a little diseases are formed causes certain threat to operation security.Often there is tunnel vault and opens in the tunnel that early stage builds
It splits, abutment wall cracking, vault cavity, lining cutting damage, Tunnel Water Leakage, freezing damage in tunnel, country rock large deformation, lining thickness are thin, coagulation
Native intensity is low, the diseases such as air pollution in tunnel.The hidden danger that these diseases are formed causes certain threat to tunnel operation security,
Wherein crack, percolating water be Shield-bored tunnels it is most common be also most serious two kinds of diseases.
At present China to the detection in Shield-bored tunnels crack, percolating water mainly by manually carrying out on-the-spot record and disease mark
Note finally goes out the disease expanded view along tunnel vault by manual delineation, and this kind of detection method needs a large amount of manpower and materials, dangerous
Degree is high, also needs to special lifting device for tunnel vault detection, testing result subjectivity is big, different testing staff's meetings
It obtains different testing results, and is qualitative description mostly to the safety evaluatio of tunnel lining structure.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
Invention content
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of shield tunnel testing agency,
The shield tunnel testing agency includes detection platform component, guide assembly, control assembly, and the shield tunnel testing agency sets
Set in the first vehicle frame of shield machine front, the detection platform component and guide assembly flexible connection, the control assembly with
The detection platform module data connection；The detection platform component includes driving device, lifting gear, detection device, described
Guide assembly includes routing device, rail set, and the detection device includes radar antenna and detection case, the detection case and institute
Radar antenna data connection is stated, the rail set is connected with the routing device, the driving device and the rail set
Flexible connection, the radar antenna are connect by the lifting gear with the driving device, and the detection case is fixed on described
In driving device.
Preferably, the rail set includes the rail body that several orbital members are connected with each other, the rail body setting
For circumference type, an elongated slot is set on the circumference rail body excircle, tensioning apparatus is respectively set in the elongated slot both ends；It is described
Synchronous belt is set in elongated slot, and the synchronous belt is connect with the tensioning apparatus, the driving device.
Preferably, the driving device includes synchronous pulley, idle pulley, motor, retarder, idler wheel mechanism, the roller machine
Structure and the orbital member are equipped with, and the synchronous pulley is fixed on the output shaft of the retarder, the motor and described
Retarder connects, and band-type brake is arranged in the motor, and the band-type brake is equipped with the motor；The idle pulley is set as two, and
The both sides of the synchronous pulley are symmetricly set on, the synchronous belt is connected with the synchronous pulley, the idle pulley simultaneously.
Preferably, the angle theta calculation formula between the idle pulley center of circle and the synchronous pulley circle center line connecting is：
Wherein, h is the distance between described synchronous pulley center of circle to the rail body periphery；R is the idle pulley
Radius；S is the thickness of the synchronous belt；A is the depth of the elongated slot；R is the guide wheel main body outer circle radius surface.
Preferably, the lifting gear includes bridging, upper plate and lower plate, the upper plate is fixed on the radar antenna bottom
Portion, the lower plate are fixed in the driving device, and the bridging is connected with the upper plate, the lower plate, the bridging
Including brake apparatus, fixing axle and two pairs of symmetrically arranged first shear arms and the second shear arm, first shear arm and
For corresponding second shear arm by the fixing axle interconnection, the brake apparatus includes fixed link, sliding seat and electricity
Dynamic cylinder, the cylinder body of the electric cylinder are movably connected in by the sliding seat in the lower plate, and the push rod of the electric cylinder is fixed
In the fixed link, the fixed link is detachably mounted between symmetrically arranged first shear arm.
Preferably, the control assembly includes controller, several sensors；The sensor and the controller data phase
Even；The sensor includes close to switch, encoder, distance measuring sensor, and the close switch is arranged in the rail body,
In the reducer output shaft end, the distance measuring sensor is arranged on the radar antenna for the encoder setting.
Preferably, the motor further includes servo-driver, the servo-driver controls turning for the motor output shaft
It is dynamic；The controller and the servo-driver, the band-type brake, the electric cylinder data connection.
Preferably, a kind of application method of the shield tunnel testing agency, including step,
S1, shield tunnel testing agency self-test simultaneously initialize；
S2, the control instruction that the control assembly analysis user sends out；
S3, the control assembly calculate direction, speed and the required height of the radar antenna movement；
S4, the control assembly control the radar antenna and move and detect the shield tunnel inner wall.
The step S3 determines the thunder specifically, according to the control assembly to the analysis result of the control instruction
Up to the setting height of the traffic direction of antenna, the speed of service and the radar antenna；By the lifting gear by the radar
Tested rotating platform is to preferred height；Consider the influence of the shield machine gait of march and shield tunnel arc row to be detected
Cheng Changdu, the section of jurisdiction size of the shield tunnel cambered surface is constituted to calculate the average speed of the detection platform component, to
Go out the average rotation speed needed for the motor.
The calculation formula of the average speed V of the detection platform component is：
Wherein, R2For the shield tunnel arc radius；α is the radar antenna on the shield tunnel transversal plane
Detection angles；β is detection angles of the radar antenna on the shield machine direction of travel；L is the shield tunnel institute
The arc stroke length to be detected；L1For the distance between the radar antenna and the shield tunnel inner wall；L2For the radar
The speed change stroke of antenna；V is the gait of march of the shield machine；B is the duct pieces of shield tunnel width；N is the radar day
Detection number of the line to same section of jurisdiction on the shield tunnel.
Compared with the prior art the beneficial effects of the present invention are：1, pass through shield tunnel testing agency structure setting
Autonomous detection apparent to shield tunnel construction and wall thickness defect is realized to the analysis of control instruction with the control assembly；2, lead to
It crosses the tensioning apparatus to realize to the preconditioning of the synchronous belt and two step sections of fine adjustment, enhances the tensioning apparatus to institute
The tensioning regulating effect of synchronous belt, while the connection structure of the tensioning apparatus are stated, convenient for the tensioner components
Dismounting and change；3, the weight of the lifting gear can be mitigated by the setting of the through hole, be convenient for the detection platform component
Movement；The adjusting of the fixed link and the fixed shaft position can be achieved in the through hole setting corresponding simultaneously, is convenient for institute
Adjusting of the upper plate relative to the lower plate shift motion is stated to adapt to the demand of different adjustment height, is avoided to adapt to different operating modes
Replace the electric cylinder of different trips.
Description of the drawings
Fig. 1 is the topology view of the shield tunnel testing agency；
Fig. 2 is the installation diagram of the shield tunnel testing agency；
Fig. 3 is the local structure view of the rail set；
Fig. 4 is the structure front view of the tensioning apparatus；
Fig. 5 is the structural side view of the tensioning apparatus；
Fig. 6 is the structure chart of the baffle；
Fig. 7 is the structure chart of the adjusting seat；
Fig. 8 is the structure chart of the holder；
Fig. 9 is the connection view of the orbital member；
Figure 10 is the structure chart of the routing device；
Figure 11 is the structure chart of the driving device；
Figure 12 is the connection view of the driving device；
Figure 13 is the structure chart of the lifting gear；
Figure 14 is the functional diagram of the shield tunnel testing agency.
Digital representation in figure：
1- detection platform components；2- guide assemblies；3- control assemblies；4- shield machines；The first vehicle frames of 5-；6- shield tunnels；
11- driving devices；12- lifting gears；13- radar antennas；14- detection cases；21- routing devices；22- rail sets；23- tracks
Part；24- tensioning apparatus；31- controllers；The close switches of 32-；33- encoders；34- distance measuring sensors；35- band-type brakes；36- servos
Driver；111- synchronous pulleys；Idle pulley described in 112-；113- idler wheel mechanisms；114- synchronous belts；121- upper plates；122- lower plates；
The first shear arms of 123-；The second shear arms of 124-；125- fixing axles；126- fixed links；127- sliding seat；128- electric cylinders；
129- through holes；211- wiring boards；212- mounting plates；213- snap rings；214- extensions；215- is open；221- guard assemblies；
231- elongated slots；232- mounting grooves；The first mounting holes of 233-；The second mounting holes of 234-；235- pin holes；241- baffles；242- clamping plates；
243- adjusting seats；244- holders；245- first through hole；246- notches；247- adjusting bolts；2431- adjusting blocks；2432- is solid
Fixed board；2441- bottom plates；2442- side plates；2443- guide grooves；2471- grooves.
Specific implementation mode
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
Shown in Figure 1, Fig. 1 is the topology view of the shield tunnel testing agency, the shield tunnel detection machine
Structure includes detection platform component 1, guide assembly 2, control assembly 3,2 activity of the detection platform component 1 and the guide assembly
Connection, the control assembly 3 and 1 data connection of detection platform component.The detection platform component 1 includes driving device
11, lifting gear 12, detection device, the guide assembly 2 include routing device 21, rail set 22, the detection device packet
Include radar antenna 13 and detection case 14,13 data connection of the detection case 14 and the radar antenna, 22 He of the rail set
The routing device 21 connects, and the driving device 11 and the rail set 22 are flexibly connected, and the radar antenna 13 passes through
The lifting gear 12 is connect with the driving device 11, and the detection case 14 is fixed in the driving device 11.
As shown in Fig. 2, Fig. 2 is the installation diagram of the shield tunnel testing agency；The shield tunnel testing agency
Setting avoids influence personnel and shield machine construction from operating in 4 first vehicle frame of shield machine, 5 front；The detection case 14 passes through described
Radar antenna 13 is apparent to 6 structure of shield tunnel and wall thickness defect is detected, i.e., in the predominantly described shield tunnel 6 between section of jurisdiction
Connection status and configuration state of the section of jurisdiction itself be detected, the detection case 14 analyzes the radar antenna 13
It detects signal and the detection signal is passed into remote computer by the control assembly 3 and checked for user.The drive
Dynamic device 11 drives the detection device to be moved on the rail set 22, to realize the detection device to the tunnel
The range detection of inner wall；The lifting gear 12 controls the distance between the radar antenna 13 and the rail set 22 i.e. institute
State the distance between 6 inner wall of radar antenna 13 and the shield tunnel, to avoid the radar antenna 13 in moving process with
The interference of other equipment, and ensure detecting distance best between the radar antenna 13 and the shield tunnel 6.
Embodiment two
As shown in figure 3, Fig. 3 is the local structure view of the rail set；The rail set 22 includes several tracks
The rail body that part 23 is connected with each other, the orbital member 23 are disposed as circular arc type, in the present embodiment, 34 orbital members
23 are interconnected to form the rail body for the circumference type that radius is 6m；One length of setting on the circumference rail body excircle
Tensioning apparatus 24 is respectively set in slot 231,231 both ends of the elongated slot；Synchronous belt 114, the synchronous belt are set in the elongated slot 231
114 realize tension effects by the tensioning apparatus 24 at both ends.The synchronous belt 114 and setting are in the driving device 11
Driving wheel, idle pulley be close under the action of the tensioning apparatus 24, when the driving wheel rotates, the driving wheel is described
Occur to roll to realize that the driving wheel drives the detection platform component 1 on the rail set 22 on synchronous belt 114
Mobile effect.
As shown in Figure 4, Figure 5, Fig. 4 is the structure front view of the tensioning apparatus, and Fig. 5 is the structure side of the tensioning apparatus
View；The tensioning apparatus 24 includes baffle 241, clamping plate 242, adjusting seat 243, holder 244. as shown in fig. 6, Fig. 6 is described
The structure chart of baffle.The baffle 241 is fixed at the both ends of the circumference rail body, and the holder 244 passes through bolt
It is fixedly connected with the baffle 241, the adjusting seat 243 and the holder 244 are flexibly connected, the clamping plate 242 and the tune
Bed rearrangement 243 is detachably connected by screw；First through hole 245 is arranged in the baffle 241, and notch is arranged in the adjusting seat 243
246,245 position of the first through hole, 246 position of the notch and 231 port position of the elongated slot are correspondingly arranged；The synchronization
114 end of band sequentially pass through the first through hole 245, the notch 246 and the adjusting seat 243 and the clamping plate 242 it
Between position gripped by the adjusting seat 243 and the clamping plate 242；Adjusting bolt 247, institute is arranged in the adjusting seat 243
It states adjusting bolt 247 to be threadedly coupled with the adjusting seat 243, and 247 end of the adjusting bolt and 241 company of contact of the baffle
It connects.The position of the adjusting seat 243 and the baffle 241 is adjusted to adjust the synchronous belt by the adjusting bolt 247
114 tensioning situation.The clamping plate 242 uses tooth-shape structure, the tooth form to be equipped with guarantee with 114 tooth form of the synchronous belt
The clamping plate 242 and the adjusting seat 243 are to the clamping effect of 114 end of the synchronous belt, the clamping plate and the adjustment seat
It is detachably connected.
The adjusting bolt 247 is additionally provided with location nut, preferably, the location nut and the baffle are respectively set
Pass through when being in better position after the adjustment between the adjusting seat 243 and the baffle 241 in the both sides of the adjusting block
The location nut is tightened, the location nut is made to be close to the adjusting seat 243 to reinforce the adjusting seat 243 and the tune
The position relationship between bolt 247 is saved, the shaking generated when the shield tunnel testing agency being avoided to work causes the adjustment
Change in location between seat 243 and the adjusting bolt 247 ensures that the tensioning apparatus 24 imitates the tensioning of the synchronous belt 114
Fruit.
As shown in fig. 7, Fig. 7 is the structure chart of the adjusting seat.The adjusting seat 243 includes adjusting block 2431 and fixes
Plate 2432, the adjusting block 2431 are symmetricly set on the both ends of the fixed plate 2432, are threaded on the adjusting block 2431,
The adjusting bolt 247 is arranged with the screw-thread fit.The baffle 241 is correspondingly arranged at 247 position of the adjusting bolt
Groove 2471,2471 depth dimensions of the groove are preferably arranged to 4~6mm, and the groove 2471 is for limiting the adjusting spiral shell
The contact position of bolt 247 end and the baffle 241 avoids adjusting 243 He of the adjusting seat twisting the adjusting bolt 247
There is situations such as offsetting dip in the adjusting bolt 247 when position between the baffle 241.
As shown in figure 8, Fig. 8 is the structure chart of the holder.The holder 244 is including a bottom plate 2441 and perpendicular to described
The both side plate 2442 of bottom plate 2441, the side plate 2442 are symmetrical arranged guide groove 2443, the guide groove 2443 and the fixation
Plate 2432 is equipped with, and the fixed plate 2432 is arranged in the guide groove 2443；2432 thickness of the fixed plate etc.
In 2443 width dimensions of the guide groove, the fixed plate 2432 is avoided to be shaken in the guide groove 2443；It is described solid
The width dimensions of fixed board 2432 are equal to the distance between 2442 outer end face of side plate size, ensure that the adjusting block 2431 is close to
On 2442 outer end face of the side plate, realization further limits position the fixed plate 2432 in the guide groove 2443；
The adjusting block 2431 and the side plate 2442 are close to be arranged, and ensure the fixed plate 2432 in the guide groove 2443
It is steady mobile, avoid the fixed plate 2432 from tilting to deflection in moving process.
The adjusting seat 243 is under the top pressure force effect that the synchronous belt 114 is tensioned elastic force and the adjusting bolt 247
In equilibrium state, to realize 24 integrally-built stabilization of the tensioning apparatus.Adjusting 114 tensioning state of synchronous belt
When, the position for adjusting 114 end of synchronous belt between the fixed plate 2432 and the clamping plate 242 can be first passed through, is realized
Preconditioning to synchronous belt 114, then by adjusting fine adjustment of the realization of adjusting bolt 247 to the synchronous belt 114.It is described
The structure setting of tensioning apparatus 24 is realized to two step sections of the synchronous belt 114 preconditioning and fine adjustment, and the tensioning is enhanced
Tensioning regulating effect of the device 24 to the synchronous belt 114；The connection structure of the adjusting seat 243 and the holder 244 simultaneously,
Convenient for the dismounting and change between the adjusting seat 243 and the holder 244.
As shown in figure 9, Fig. 9 is the connection view of the orbital member.Run through institute in the setting of 23 exterior arc surface of the orbital member
The inside groove of orbital member 23 is stated, the inside groove of the adjacent orbital member 23 is connected to form the elongated slot 231；In the orbital member 23
Mounting groove 232 is arranged in portion, and the mounting groove 232 is close to one end of the orbital member 23；23 both ends end surface symmetric of the orbital member
Pin hole 235 is set, and first mounting hole 233, the other end pair are set close to 23 end face of the orbital member of the mounting groove 232
Answer the position of first mounting hole 233 that second mounting hole 234 is set, first mounting hole 233 is from 23 end of the orbital member
Face is through in the mounting groove 232, and second mounting hole 234 is set as threaded hole；By the way that screw is passed through the track
First mounting hole 233 of part 23 is screwed in second mounting hole 234 of another adjacent orbital member 23 and is realized
Connection between the adjacent orbital member 23, while can be by inserting pins into the corresponding pin hole of the adjacent orbital member 23
In 235, realize the position before the installation of adjacent 23 screw of the orbital member pre-fix and screw installation after connection relation reinforce
Effect.
The baffle 241 is arranged in first mounting hole 233 and 235 corresponding position of the pin hole of the orbital member 23
Third mounting hole 236 and pin hole 235, first mounting hole 233 and the third mounting hole 236 connect, between the pin hole
Connection is to realize being fixedly connected between the baffle 241 and the orbital member 23.
The rail set 22 further includes guard assembly 221, and the guard assembly 221 is arranged in the rail body；
The guard assembly 221 includes protective plate and protective cover, and the protective plate, the protective plate is fixedly installed in the protective cover both ends
It is correspondingly arranged the 4th mounting hole with the baffle 241, passes through the 4th mounting hole to realize the guard assembly by screw
221 are fixedly connected with the baffle 241；The 4th mounting hole is arranged in the driving device 11 simultaneously, is passed through by screw
4th mounting hole realizes being fixedly connected for the guard assembly 221 and the driving device 11；The protective cover is preferably set
It is set to polygonal resilient bellows, thickness is not more than 500mm after the protective cover compression in the present embodiment, and working tension length is not
Less than 18000mm, the protection guide rail is constantly in ensure the protective cover when the shield tunnel testing agency works
The effect of main body；Short slot is arranged in the protective plate, and the short slot edge is not less than 3mm away from 23 surface of the orbital member, and described
Short slot size at a distance from 231 corresponding position of the elongated slot is not less than 12mm, ensures that the protective plate is sent out with the orbital member 23
Raw interference, reduces the shield tunnel testing agency or shield machine work causes protective plate and the orbital member 23 caused by vibrations
Between collision and contact friction.Preferably, the guard assembly 221 further includes several support plates, the support plate shape ruler
Very little identical with the protective plate appearance and size, the support plate, which is arranged on the protective cover and is fixed with the protective cover, to be connected
It connects, the support plate is preferred to be mutually arranged on the protective cover across a certain distance；It is described since the rail body is circular arc type
The setting of support plate avoids the protective cover from taking falling in the rail body, reduce the protective cover and the rail body connects
It is worn caused by touching wiping.
Embodiment three
As shown in Figure 10, Figure 10 is the structure chart of the routing device.The routing device 21 includes several wiring boards 211
With mounting plate 212, the wiring board 211 is interconnected to form bar shaped cabling portion, cabling portion both ends respectively with the tensioning
Device 24 connects, and the cabling portion is connect by the mounting plate 212 with the guide assembly 2, to cause the cabling portion
Global shape is arc-shaped and matches with the guide assembly 2.
The wiring board 211 includes tablet and bent plate, and bent plate setting is at the tablet both ends, the bent plate setting the
Bolt is passed through second through-hole of the adjacent wiring board 211 and is realized with nut locking bolt location adjacent by two through-holes
The connection of the wiring board 211, similarly the wiring board 211 at cabling portion both ends connect with the baffle 241.It is described flat
The 5th mounting hole is arranged in plate stage casing, is realized by the one end for passing through the 5th mounting hole to be screwed into the mounting plate 212 on screw
The connection of the wiring board 211 and the mounting plate 212.
The routing device 21 further includes snap ring 213, and the snap ring 213 is arranged on the wiring board 211, the snap ring
213 include the opening 215 that symmetrically arranged extension 214 is formed, and 215 width dimensions of the opening are less than the wiring board 211
Width dimensions avoid the snap ring 213 and the wiring board 211 from being detached from；When the snap ring 213 is moved along the cabling portion
When dynamic, the setting of the opening 215 influences the snap ring for avoiding the snap ring 213 and the mounting plate 212 from interfering
213 normal movement.The pipeline of the detection platform component is fixed on 211 bottom of the wiring board, institute by the snap ring 213
State pipeline and the binding connection of the snap ring 213.When the detection platform component moves on the rail set, the snap ring
213 move with the movement of the pipeline, and keep the pipeline in the wiring board bottom, are kept away while protecting the pipeline
Exempt from the harmful effect that the routing device moves the pipeline.
Example IV
As shown in figure 11, Figure 11 is the structure chart of the driving device.The driving device 11 includes the synchronous pulley
111, the idle pulley 112, motor, retarder, idler wheel mechanism 113, the idler wheel mechanism 113 include more than four idler wheels, institute
It states idler wheel and the orbital member 23 is equipped with.As shown in figure 12, Figure 12 is the connection view of the driving device.Preferably,
The idler wheel is set as the Wheel structure with annular groove, and the both ends of the surface of the orbital member 23 along its length are respectively provided in 90 °
The seamed edge of angle, the annular groove of the idler wheel and seamed edge dimensional fits setting, and the idler wheel is symmetricly set on institute
The both sides for stating orbital member 23, to realize the connection status stablized between the driving device 11 and the orbital member 23.
The synchronous pulley 111 is fixed on the output shaft of the retarder, and the motor is connected with the retarder.Institute
Motor setting band-type brake 35 is stated, the band-type brake 35 is equipped with the motor, and the band-type brake 35 controls the motor output shaft
Whether rotation, in the case where the shield tunnel testing agency is in running order, the band-type brake is opened in the control of the control assembly 3
35, band-type brake 35 is all to close in the case of other, i.e., the band-type brake 35 fixes the motor output shaft and avoids the output
Shaft rotation is dynamic, to ensure the safety of the driving device 11.The motor drives the rotation of synchronous pulley 111 to realize
Movement of the detection platform component 1 on the guide assembly 2.
The idle pulley 112 is preferably arranged to two, and is symmetricly set on the both sides of the synchronous pulley 111, by described
Extruding of the idle pulley 112 to the synchronous belt 114 ensures to have between the synchronous pulley 111 and the synchronous belt 114 larger
Contact area ensures good transmission effect between the synchronous pulley 111 and the synchronous belt 114.It preferably, will be described
112 outer circle of idle pulley is set as tangent with the rail body periphery, ensures the squeezing in the idle pulley 112 of the synchronous belt 114
It is fitted in the elongated slot 231 under pressure effect, the synchronous belt 114 is avoided to move out the elongated slot 231 in transmission process；
Position-limited edge is arranged in the idle pulley 112, and the position-limited edge is symmetricly set on the two edges position of the idle pulley periphery, the limit
The synchronous belt 114 that position side contacts the idle pulley 112 limits, and ensures the synchronous belt 114 in transmission process
Stability.
To ensure that the synchronous belt 114 is fitted under the squeezing action of the idle pulley 112 in the elongated slot 231 simultaneously,
And the synchronous pulley 111 has larger contact area with the synchronous belt 114, it need to be to 112 center of circle of the idle pulley and described
Angle between 111 circle center line connecting of synchronous pulley is set, and 112 center of circle of the idle pulley and 111 center of circle of the synchronous pulley connect
Angle formulae between line is：
Wherein, h is the distance between 111 center of circle of the synchronous pulley to the rail body periphery；R is the idle pulley
112 radius；S is the thickness of the synchronous belt 114；A is the depth of the elongated slot 231；R is the rail body periphery
Radius.
The value of h is determined by the position relationship of the motor and the idler wheel mechanism 113, the idler wheel mechanism 113
The position relationship of the fixed driving device 11 and the rail body, the motor fix the synchronous pulley 111 described
Position relationship in driving device 11；When the radius of the idle pulley 112 is constant, the guide wheel main body outer circle radius surface is bigger,
The angle theta is with regard to smaller；When the guide wheel main body outer circle radius surface is certain, the radius of the idle pulley 112 is smaller, the angle
θ is with regard to smaller.
The preferable idle pulley 112 can be determined when the shield tunnel testing agency designs by the angle formulae
With the installation position of the synchronous pulley 111, while ensureing that the synchronous belt 114 pastes under the squeezing action of the idle pulley 112
It closes in the elongated slot 231, and the synchronous pulley 111 has larger contact area with the synchronous belt 114；Realize institute
Stating driving device 11 has preferable transmission efficiency, while being easy to implement the positioning of the synchronous belt 114.
Embodiment five
As shown in figure 13, Figure 13 is the structure chart of the lifting gear.The lifting gear 12 includes bridging, upper plate
121 and lower plate 122, the upper plate 121 is fixed on 13 bottom of the radar antenna, and the lower plate 122 is fixed on the driving dress
It sets on 11, movement of the upper plate 121 relative to the lower plate 122 is realized by the bridging.
The bridging includes two pairs of 123 and second shear arms 124 of symmetrically arranged first shear arm and fixing axle
125, first shear arm 123 and corresponding second shear arm 124 pass through 125 interconnection of the fixing axle；And
The fixing axle 125 ensures described first as the rotation center of first shear arm 123 and second shear arm 124
Shear arm 123 and second shear arm 124 are free to rotate.Preferably, it is also equipped in the fixing axle 125 and is socketed on institute
The copper bush outside fixing axle 125 is stated, sealing ring is installed at the copper bush and 125 link position of the fixing axle, to
Improve the bonding strength of first shear arm 123 and second shear arm 124.
The first guiding mechanism is arranged in the upper plate 121, and the second guiding mechanism is arranged in the lower plate 122；Described first is oriented to
Mechanism and second guiding mechanism are disposed as guide direction and extend along 122 length direction of the lower plate；First scissors
The upper end of arm 123 is articulated with the sliding part of first guiding mechanism, and lower end is hinged and the lower plate 122；Second scissors
The lower end of arm 124 is articulated with the sliding part of second guiding mechanism, and upper end is hinged and the upper plate 121.Specifically, described
The upper end of one shear arm 123 and the lower end of second shear arm 124 are hinged with sliding block, the sliding block and guide direction with it is described
The identical sliding rail of 122 length direction of lower plate matches.
The bridging further includes brake apparatus, and the brake apparatus includes fixed link 126, sliding seat 127 and electric cylinder
128, the cylinder body of the electric cylinder 128 is movably connected in by the sliding seat 127 in the lower plate 122, the electric cylinder
128 push rod is fixed in the fixed link 126, and the fixed link 126 is detachably mounted to symmetrically arranged described first
Between shear arm 123.The electric cylinder 128 pushes fixed link 126 to realize first shear arm 123 and corresponding described the
The relative rotation of two shear arms 124 is to cause the upper plate 121 relative to the movement of the lower plate 122.
First shear arm 123 and second shear arm 124 are placed equidistant with several through holes 129, the fixation
Axis 125 may pass through first shear arm 123 and the corresponding through hole of second shear arm 124 129 realizes described
Flexible connection between one shear arm 123 and second shear arm 124；The fixed link 126 may pass through arranged symmetrically simultaneously
First shear arm 123 or second shear arm 124 on the through hole 129 realize and be removably fixedly connected.
The setting of the through hole 129 can mitigate the weight of the lifting gear 12, convenient for the detection platform component 1
It is mobile；The adjusting of 125 position of the fixed link 126 and the fixing axle can be achieved in the corresponding setting of the through hole 129 simultaneously,
Convenient for the upper plate 121 relative to the adjusting of 122 shift motion of the lower plate to adapt to the demand of different adjustment height, avoid for
Adapt to the electric cylinder 128 that different operating modes replace different trips.
Embodiment six
As shown in figure 14, Figure 14 is the functional diagram of the shield tunnel testing agency.The control assembly 3 includes controller
31, several sensors；The sensor is connected with 31 data of the controller.Wherein, the controller 31 preferably uses PLC moulds
Block, the controller 31 include central processing unit and collection of simulant signal module；In the present embodiment, the central processing list
Member selects the CPU1214C of Siemens.The collection of simulant signal module acquires the sensed data of the sensor and by the sense
Answer data transmission to the central processing unit, the central processing unit receives and analyzes the sensed data to control
It states detection platform component 1 and realizes its function.The sensor includes close switch 32, encoder 33, distance measuring sensor 34, described
It is arranged in the rail body close to switch 32, the encoder 33 is arranged in the reducer output shaft end, the survey
It is arranged on the radar antenna 13 away from sensor 34.
It is described to be arranged close to switch 32 in the rail body apart from the position of 24 certain distance of the tensioning apparatus, work as institute
When stating the contact of detection platform component 1 to the close switch 32, the controller 31 controls the band-type brake 35, and the motor is defeated
Shaft locking, it is ensured that the effective travel of the detection platform component 1 controls；The setting close to switch 32 described simultaneously avoids institute
Protective cover is stated to be damaged by excessive extruding or stretching.
The central processor unit is substantially carried out logic control and operation, by the motor, 35 and of the band-type brake
128 output signal of the electric cylinder is to control the movement of the detection platform component 1.By to 35 output signal of the band-type brake with
It opens the band-type brake 35 and ensures the motor output shaft normal rotation；By to the motor output signal to control the motor
Rotating speed makes the radar antenna 13 be moved along the rail body；By to 128 output signal of the electric cylinder to control
Lifting gear 12 is stated to change distance of the radar antenna 13 away from 6 inner wall of the shield tunnel, ensures the radar antenna 13
In suitable height.The collection of simulant signal module is responsible for acquiring described close to switch 32, the encoder 33, the survey
Output signal away from sensor 34 is transferred to the central processor unit after digitlization.Collect on the central processor unit
At PROFINET interfaces (network interface) be responsible for communication between the controller 31 and remote computer, user passes through described remote
Journey computer transmits control instruction to the controller 31.
The motor further includes servo-driver 36, and the servo-driver 36 controls the rotation of the motor output shaft.
It is watched to described using the mode of connection of position control, the controller 31 between the controller 31 and the servo-driver 36
36 sending direction signal of driver and pulse signal are taken, the servo-driver 36 often receives a direction signal and institute
Pulse signal is stated, the motor is just driven to rotate some fixed angle to specific direction.The driver is received from described
The angle feedback signal of encoder 33, and the angle feedback signal is transferred to the controller 31 to constitute closed-loop control.
Embodiment seven
A kind of application method using the shield tunnel testing agency, including step：
S1, shield tunnel testing agency self-test simultaneously initialize；
S2, the control assembly 3 analyze the control instruction that user sends out；
S3, the control assembly calculate direction, speed and the required height of the radar antenna movement；
S4, the control assembly control the radar antenna 13 and move and detect 6 inner wall of the shield tunnel.
Wherein, step S1 specifically includes the control group specifically, the shield tunnel testing agency enters self-test state
Part 3 opens the band-type brake 35, and sends the motor to the servo-driver 36 and revolve the pulse signal to turn around, and passes through
The encoder 33 feeds back output shaft rotation information, and whether motor and the encoder 33 work normally described in self-test；The control
Component 3 processed controls the band-type brake 35 by the motor output shaft locking again, feeds back output shaft rotation letter by the encoder 33
It ceases, whether band-type brake 35 works normally described in self-test；The control assembly 3 controls the electric cylinder 128 and stretches out certain stroke, and
13 travel information of the radar antenna is fed back by the distance measuring sensor 34, whether electric cylinder 128 works normally described in self-test.
The controller 31 controls the motor by the encoder 33 and turns to close 32 position of switch after the completion of self-test, i.e.,
The initial position of the detection platform component 1.
Step S2 is specifically, control instruction is input to the central processing unit list by user by the remote computer
In member, the detection platform component 1 control is moved to by the central processor unit by the analysis to the control instruction
At 6 inner wall endpoint location of shield tunnel to be detected, and the radar antenna 13 is read by the distance measuring sensor 34 and is worked as
Distance of the front position away from 6 inner wall of the shield tunnel.
Step S3 determines the thunder specifically, according to the central processing unit to the analysis result of the control instruction
Up to the setting height of the traffic direction of antenna 13, the speed of service and the radar antenna 13；By the lifting gear 12 by institute
It states radar antenna 13 and is adjusted to preferred height.
Since the shield tunnel testing agency is to be carried out at the same time that tunnel structure is apparent in shield machine traveling and wall thickness lacks
Sunken detection, therefore consider influence and shield tunnel arc stroke length to be detected, the structure of the shield machine gait of march
At the section of jurisdiction size of the shield tunnel cambered surface to calculate the average rotation speed needed for the motor；Start in the motor and
When stopping operating, the acceleration with certain stroke and deceleration regime have certain in the motion process of the radar antenna 13
Speed change stroke；When being detected to 6 inner wall of the shield tunnel, in 6 cross-sectional direction of the shield tunnel and the shield
All have certain detection angles to detect a certain surface i.e. detection faces on 6 inner wall of the shield tunnel on machine direction of travel,
According to the distance between effective detection radius of the radar antenna 13, the radar antenna 13 and 6 inner wall of the shield tunnel
And the difference of the detection angles, the area of the detection faces are also different.The general radar antenna 13 and the shield
The distance between 6 inner wall of structure tunnel L1, the radar antenna 13 effective detection radius R1And the radar antenna 13 is described
Detection angles β on shield machine direction of travel meets relational expression：
Wherein, L1For the distance between the radar antenna 13 and 6 inner wall of the shield tunnel；R1For the radar antenna
13 effective detection radius；β is detection angles of the radar antenna 13 on the shield machine direction of travel.Pass through the pass
It is formula to ensure that the radar antenna 13 has larger detection faces on 6 inner wall of the shield tunnel.
The calculation formula of the average speed V of the detection platform component 1 is
Wherein, R2For 6 arc radius of the shield tunnel；α is that the radar antenna 13 is transversal flat in the shield tunnel 6
Detection angles on face；β is detection angles of the radar antenna 13 on the shield machine direction of travel；L is the shield
6 arc stroke length to be detected of tunnel；L1For the distance between the radar antenna 13 and 6 inner wall of the shield tunnel；
L2For the speed change stroke of the radar antenna 13；V is the gait of march of the shield machine；B is that 6 section of jurisdiction of the shield tunnel is wide
Degree；N is detection number of the radar antenna 13 to same section of jurisdiction.
It is the detection faces with certain area, Gu Dangsuo since the radar antenna 13 detects 6 inner wall of the shield tunnel
State detection faces area it is bigger when, the quantity for 6 section of jurisdiction of the shield tunnel that the 13 same period of the radar antenna detects is got over
It is more；Detection times N one timings of the gait of march v and the radar antenna 13 of the shield machine to same section of jurisdiction, the detection
Face area is bigger, and the average speed V of the detection platform component 1 is with regard to smaller.The detection faces area is by the radar antenna 13
Detection angles α, the radar antenna 13 in 6 cross-sectional direction of the shield tunnel is on the shield machine direction of travel
Detection angles β, 6 arc radius R of the shield tunnel2And between 6 inner wall of the radar antenna 13 and the shield tunnel away from
From L1Influence；When in 6 cross-sectional direction of the shield tunnel detection angles α, the radar antenna 13 is in the shield machine
When detection angles β on direction of travel is bigger, the detection faces area is bigger；When the radar antenna 13 and the shield
The distance between 6 inner wall of tunnel L1Smaller, the detection faces area is with regard to smaller.
By the setting of the average speed V calculation formula of the detection platform component 1, the controller 31 can be according to described
Retarder transmission ratio, 111 structure size of the synchronous pulley are real to calculate the velocity of rotation exported required for the motor
Now to the control of 1 speed of detection platform component, and then 6 inner wall of the shield tunnel is preferably detected, after being convenient for
Continuous step completes detection operation apparent to 6 structure of shield tunnel and wall thickness defect.
Step S4 specifically, the controller 31 according to the traffic direction of the radar antenna 13 of calculating, average operation
Speed, to control the output rotating speed of the motor.To complete detection apparent to 6 structure of shield tunnel and wall thickness defect
Operation.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It changes or even equivalent, but falls in protection scope of the present invention.
Claims (10)
1. a kind of shield tunnel testing agency, which is characterized in that described including detection platform component, guide assembly, control assembly
The setting of shield tunnel testing agency connects in the first vehicle frame of shield machine front, the detection platform component and the guide assembly activity
It connects, the control assembly is connect with the detection platform module data；The detection platform component includes driving device, lifting dress
It sets, detection device, the guide assembly includes routing device, rail set, and the detection device includes radar antenna and detection
Case, the detection case and the radar antenna data connection, the rail set are connected with the routing device, the driving dress
It sets and is flexibly connected with the rail set, the radar antenna is connect by the lifting gear with the driving device, described
Detection case is fixed in the driving device.
2. shield tunnel testing agency as described in claim 1, which is characterized in that the rail set includes several orbital members
The rail body of interconnection, the rail body are set as circumference type, a length are arranged on the circumference rail body excircle
Tensioning apparatus is respectively set in slot, the elongated slot both ends；Synchronous belt is set in the elongated slot, and the synchronous belt is filled with the tensioning
It sets, driving device connection.
3. shield tunnel testing agency as claimed in claim 2, which is characterized in that the driving device include synchronous pulley,
Idle pulley, motor, retarder, idler wheel mechanism, the idler wheel mechanism and the orbital member are equipped with, and the synchronous pulley is fixed on
On the output shaft of the retarder, the motor is connected with the retarder, and the motor is arranged band-type brake, the band-type brake with it is described
Motor is equipped with；The idle pulley is set as two, and is symmetricly set on the both sides of the synchronous pulley, and the synchronous belt is simultaneously
It is connected with the synchronous pulley, the idle pulley.
4. shield tunnel testing agency as claimed in claim 3, which is characterized in that the idle pulley center of circle and the synchronous pulley
Angle theta calculation formula between circle center line connecting is：
Wherein, h is the distance between described synchronous pulley center of circle to the rail body periphery；R is the radius of the idle pulley；
S is the thickness of the synchronous belt；A is the depth of the elongated slot；R is the guide wheel main body outer circle radius surface.
5. shield tunnel testing agency as claimed in claim 3, which is characterized in that the lifting gear include bridging, on
Plate and lower plate, the upper plate are fixedly connected with the detection device, and the lower plate is fixedly connected with the driving device, described to cut
Knife support is connected with the upper plate, the lower plate, and the bridging includes brake apparatus, fixing axle and two pairs symmetrically arranged the
One shear arm and the second shear arm, first shear arm and corresponding second shear arm are intersected by the fixing axle and are connected
It connects, the brake apparatus includes fixed link, sliding seat and electric cylinder, and the cylinder body of the electric cylinder is connected by the sliding seat activity
It is connected on the lower plate or the upper plate, the push rod of the electric cylinder is fixed in the fixed link, and the fixed link is detachable
Be fixed between symmetrically arranged first shear arm or second shear arm.
6. shield tunnel testing agency as claimed in claim 5, which is characterized in that if the control assembly include controller,
Dry sensor；The sensor is connected with the controller data；The sensor includes being passed close to switch, encoder, ranging
Sensor, described to be arranged in the rail body close to switch, the encoder is arranged in the reducer output shaft end, institute
Distance measuring sensor is stated to be arranged on the radar antenna.
7. shield tunnel testing agency as claimed in claim 6, which is characterized in that the motor further includes servo-driver,
The servo-driver controls the rotation of the motor output shaft；The controller and the servo-driver, the band-type brake, institute
State electric cylinder data connection.
8. a kind of application method using claim 1 to 7 any one of them shield tunnel testing agency, which is characterized in that
Including step,
S1, shield tunnel testing agency self-test simultaneously initialize；
S2, the control instruction that the control assembly analysis user sends out；
S3, the control assembly calculate direction, speed and the required height of the radar antenna movement；
S4, the control assembly control the radar antenna and move and detect the shield tunnel inner wall.
9. application method as claimed in claim 8, which is characterized in that the step S3 is specifically, according to the control assembly
To the analysis result of the control instruction, the traffic direction of the radar antenna, the speed of service and the radar antenna are determined
Setting height；The radar antenna is adjusted to preferred height by the lifting gear；Consider the shield machine gait of march
Influence and shield tunnel arc stroke length to be detected, constitute the section of jurisdiction size of the shield tunnel cambered surface in terms of
The average speed for calculating the detection platform component, to obtain the average rotation speed needed for the motor.
10. application method as claimed in claim 9, which is characterized in that the calculating of the average speed V of the detection platform component
Formula is：
Wherein, R2For the shield tunnel arc radius；α is inspection of the radar antenna on the shield tunnel transversal plane
Measuring angle；β is detection angles of the radar antenna on the shield machine direction of travel；L to be examined for the shield tunnel
The arc stroke length of survey；L1For the distance between the radar antenna and the shield tunnel inner wall；L2For the radar antenna
Speed change stroke；V is the gait of march of the shield machine；B is the duct pieces of shield tunnel width；N is the radar antenna pair
The detection number of same section of jurisdiction on the shield tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132729.2A CN108286433B (en) | 2018-02-09 | 2018-02-09 | Shield tunnel detection mechanism and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132729.2A CN108286433B (en) | 2018-02-09 | 2018-02-09 | Shield tunnel detection mechanism and using method thereof |
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| CN201810132729.2A Expired - Fee Related CN108286433B (en) | 2018-02-09 | 2018-02-09 | Shield tunnel detection mechanism and using method thereof |
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| 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 |
| CN115158991A (en) * | 2022-07-01 | 2022-10-11 | 安徽恒诺机电科技有限公司 | A orderly loading attachment for servo motor shaft coupling |
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| CN115158991A (en) * | 2022-07-01 | 2022-10-11 | 安徽恒诺机电科技有限公司 | A orderly loading attachment for servo motor shaft coupling |
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| CN108286433B (en) | 2020-12-04 |
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