CN101943003B - Shield construction system based on ground penetrating radar - Google Patents
Shield construction system based on ground penetrating radar Download PDFInfo
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- CN101943003B CN101943003B CN201010254003XA CN201010254003A CN101943003B CN 101943003 B CN101943003 B CN 101943003B CN 201010254003X A CN201010254003X A CN 201010254003XA CN 201010254003 A CN201010254003 A CN 201010254003A CN 101943003 B CN101943003 B CN 101943003B
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Abstract
The invention relates to a shield construction system based on a ground penetrating radar, comprising a shield machine and the ground penetrating radar, wherein the shield machine is connected with the ground penetrating radar through a signal transmission system combining a wireless signal transmission mode with a wired signal transmission mode; the ground penetrating radar and a wireless signal transmission module of the signal transmission system adopt a DC power supply system for a power supply; the power supply of the DC power supply system is obtained by carrying out voltage and frequency transformation processing on commercial AC; and the ground penetrating radar is arranged in front of a cutterhead of the shield machine by adopting a specially designed projection structure. The invention has innovative application of installing the ground penetrating radar on the cutterhead of the shield machine for detecting front geology, can enable the ground penetrating radar to be used for normally operating in an underground construction environment without being damaged by external conditions, effectively ensure the radar power supply, also realize good information transmission through the ground penetrating radar and a computer inside a control chamber of the shield machine and be widely used in the fields of various underground constructions and tunnel constructions, and the like.
Description
Technical field
The present invention relates to a kind of shield-tunneling construction system, relate in particular to a kind of shield-tunneling construction system based on GPR.
Background technology
Shield-tunneling construction the place ahead situation is complicated and changeable, usually has unfavorable geology factor and unknown treasure trove, like municipal pipeline, artificial constructed thing, bubble, bubble, rubble, shipwreck etc.These factors can cause work plane landslide, water burst, and are light then influence the driving speed in tunnel, incur loss through delay the duration, the increase construction cost; Heavy then cause device damage and casualties, consequence is hardly imaginable.So, need carry out forward probe and identification to the geological condition in shield structure work plane the place ahead, for construction provides data more accurately, instruct Shield digging, avoid risk.
The main method that obtains the shield-tunneling construction front geological condition in the engineering is the geotechnical boring method; In recent years; Along with the development and the application of technology, also occurred like methods such as tunnel seismic wave advanced prediction (Tunnel Seismic Prediction), horizontal acoustic waves profile method (HSP), the detections of earth resistance image.
GPR is a kind of high-tech product that carries out nondestructive testing; Attach it on the cutter head of shield machine in order to front geological is surveyed the real novelty utilization that belongs to; But; If will realize the cooperation of GPR and shield machine, ensure carrying out smoothly of shield-tunneling construction, then also need consider following factor:
At first, shield machine is abominable at the underground activities environment, and radar is the very high electronic devices and components of a kind of precision; Classification of waterproof is low; Can only bear lower pressure,, then must transform shield cutter in order to protect the radar operate as normal and not damaged by external condition.
Moreover; Because ground exploring radar antenna and DAD controller are installed on the shield machine head cutterhead and with cutterhead and rotate; And the geological information that radar obtains need be sent to and could handle on computers and show that signal transmission distance is far away in the control room of shield structure afterbody, and exists a lot of metals to disturb in the shield machine; If drawbacks such as jitter must appear in whole process through wireless transmission method, so adopt wireless transmission method not meet the demands separately.Simultaneously, because of cutterhead rotates with respect to shield tail control room, if the whole process using wire transmission mode can produce the coiling problem again, so adopt wire transmission mode also to be not suitable for separately.This solves the transmission of Information problem with regard to needs.
Outside it; The GPR that adopts at present is the K2 type GPR that Italian IDS company produces, and this radar adopts storage battery power supply, 12 volts of voltages; Its advantage is that the voltage and current fluctuation range is little; Can guarantee the accurate operation of radar and the undistorted transmission of signal thereof, shortcoming is that the continued power ability is not enough, needs charging could continue to use after supplying power continuously tens hours.Because shield machine is longer in the underground construction time, reach sometimes about half a year, during can not charge to battery, and underground environment is very moist, be not suitable for battery operated, so adopt the storage battery power supply mode and be not suitable for.For this reason specialized designs one the cover DC power-supply system.This DC power-supply system can be converted into the alternating current of 220 volts of job sites 12 volts direct current.But,, also can produce the coiling problem in shield machine centre revolving joint part if adopt the electric wire transferring electric power.So, also need solve 12 volts of direct currents that DC power-supply system is provided are passed to the shield structure by shield structure afterbody this difficult problem of head.
Summary of the invention
The objective of the invention is to propose a kind of shield-tunneling construction system based on GPR; Its radar can normally move in the underground construction environment; Not damaged by external condition, simultaneously, can realize the good information transmission between the control room of radar and shield machine; And the radar power supply can be able to effective guarantee, thereby has overcome deficiency of the prior art.
For realizing the foregoing invention purpose, the present invention has adopted following technical scheme:
A kind of shield-tunneling construction system based on GPR comprises shield machine, it is characterized in that: said shield-tunneling construction system also comprises the radar that mainly is made up of radar antenna and the DAD controller that is attached thereto;
Said radar is fixedly set in the protection box, and said protection box overall fixed is arranged in the hole that excavates on the cutterhead of shield machine the place ahead, and this hole place also covers the guard shield that can keep the cutterhead work plane complete;
Said radar is connected with the control room computer that is arranged on the shield machine afterbody through an information real-time transmission system; Said information real-time transmission system comprises the wireless signal transmitting module and the wireless signal receiver module that can cooperatively interact; Said wireless signal transmitting module comprises wireless aps and prolongs antenna; Said wireless signal receiver module comprises wireless router and prolongs antenna; Said radar antenna is transferred to the analog signal of obtaining and is become data signal after the DAD controller is handled, and this data signal is sent to the control room computer through wireless transmitter module and wireless receiving module more successively, and carries out subsequent treatment by the control room computer;
Said radar and wireless signal transmitting module are supplied power by an electric power system; This electric power system comprises the electrical power connection device that is installed in shield machine swivel coupling end-fitting place; Have through hole on this shield machine swivel coupling internal chamber wall; This through hole axially runs through whole shield machine swivel coupling to the end-fitting place, and is furnished with the power line of being drawn by DAD controller and wireless transmitter module and the prolongation antenna and the coaxial cable of wireless aps in this through hole, and said electrical power connection device comprises two brush assemblies, outer conducting ring, interior conducting ring, isolator; Said inside and outside conducting ring is provided with aperture; The power line that DAD controller and wireless transmitter module are drawn realizes and the electric connection of inside and outside conducting ring that through this aperture inside and outside conducting ring is fixedly mounted on the isolator, and isolator is fixedly mounted on the shield machine swivel coupling; Said each brush assembly comprises brush body, brush, spring, cylindrical pin with external thread; Brush assembly is connected with described conducting ring through brush, and brush, spring, cylindrical pin with external thread are located in the brush body, and cylindrical pin with external thread is twisted solid on brush; Brush one end inserts in the spring cavity; Its other end contacts with conducting ring, and brush is tightly pushed down conducting ring all the time and realized contacting with the electrical of conducting ring under spring elastic force effect left, is used to transmit the perforate entering brush assembly that 12 volts galvanic power lines pass through the brush assembly right-hand member from what the shield machine afterbody was drawn; And passing spring and brush electric connection, two interior with being arranged in shield machine swivel coupling through hole respectively again power lines of conducting ring are connected.
Say further: described hole specifically excavates into the rectangle hole, is fixedly connected the mounting baseplate that central authorities offer window in this rectangle hole, and covering one can protect radar not influence the guard shield of radar service behaviour again at the window place.More specifically, a guard shield pressing plate is set on the guard shield, the guard shield pressing plate is pressed on the guard shield, through screw pressing plate, guard shield is fixed on the substrate in the lump.Said whole protecting box also is installed on the substrate through bolt.
Be respectively equipped with sealing ring between said protection box and the mounting baseplate and between guard shield and the mounting baseplate.
2.21 meters at said rectangle hole centre distance cutter head of shield machine center, the rectangle hole is 0.59 meter along the cutter radius direction, along the circumferential direction is 0.61 meter.
Be connected with twisted-pair feeder between said DAD controller and the wireless aps; The prolongation antenna of said wireless aps arrives in the centre revolving joint along the cutter head of shield machine center culvert; The prolongation antenna of said wireless route is positioned near the centre revolving joint; Said wireless route is positioned at the shield machine afterbody, and is connected with the control room computer through twisted-pair feeder.
The prolongation antenna of said wireless route nestles against the prolongation antenna of wireless aps in the centre revolving joint joint.
Said centre revolving joint is provided with the proofing dust and protecting structure; Comprise lid and cover; Said brush assembly is twisted admittedly on cover through the brush body, and there is bolt hole the outer ring of said lid and cover, and the two links together through bolt; The airtight centre revolving joint outside that is arranged in of said lid, said cover is placed in outside the electrical power connection device.
The inner ring of said lid is equipped with dust ring and sealing ring.
Said cover central openings along the circumferential direction evenly has side opening on its cover wall.
Transmit 12 volts of galvanic power lines from shield machine afterbody being used to of drawing and also can change 220 volts of alternating currents into 12 volts of galvanic transformers and be connected with one, this transformer is connected with 220 volts of AC powers.
Compared with prior art, beneficial effect of the present invention is:
(1) first GPR is installed on the shield machine; And under the prerequisite that does not influence cutterhead intensity, performance, guaranteed that radar operate as normal and the safe and reliable external condition that do not receive damages, kept cutterhead complete; Simultaneously; Also guarantee the sealing of whole radar antenna mounting structure, and radar antenna can be rotated with cutterhead, in the shield-tunneling construction process, shield structure work plane front geological is carried out real-time detection.
(2) under the prerequisite that does not influence the original service behaviour of centre revolving joint; Former centre revolving joint is carried out the part to be changed; Rotating the position relatively at shield structure head cutterhead and shield tail is that the both sides of centre revolving joint are provided with wireless transmitter module and receiver module respectively; Adopt wireless transmission method between the wireless transmitter module of face-off and receiver module each other; Can avoid the coiling problem that causes because of rotation; And shield machine head radar DAD controller to wireless transmitter module and wireless receiving module to shield machine afterbody service depot approach all adopt wire transmission mode, thereby guarantee reliability of information transmission and stability between radar and the shield structure afterbody control room, have improved the level of IT application of shield-tunneling construction.
(3) designed the electrical power connection device structure; Cooperation contact through rotatable conducting ring and non-rotary brush assembly; Realized that 12 volts direct currents that DC power-supply system transforms transfer to the smooth transmission of head from the afterbody of shield structure, avoid the coiling problem of conventional electric wire transmission means initiation.
(4) through shield-tunneling construction system based on GPR; Behind the radar image that obtains front geological, can grasp the geological condition in shield structure work plane the place ahead in advance; Realized forward probe and forecast, had real-time, continuous, online advantage, for further geology construction provides reference.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is described further.
Fig. 1 is present technological shield machine structural representation;
Fig. 2 is a slotting position sketch map on the shield cutter;
Fig. 3 a is the work plane sketch map of radar protection box;
Fig. 3 b be radar protection box overlook direction part section structural representation;
Fig. 4 is a radar signal transmission system structural representation;
Fig. 5 a is the improved right view of center steering body;
Fig. 5 b is the improved cross-sectional view of center steering body;
Fig. 6 is the partial cutaway figure of center steering end of body joint transformation place;
Fig. 7 a is the lateral view of cover;
Fig. 7 b is the internal construction sketch map of cover;
Fig. 8 is the brush assembly structural representation.
Description of symbols: the 1-radar antenna, the 2-DAD controller, 23-protects box, 3-shield cutter, 4-rectangle hole, 5-guard shield, 51-pressing plate; The 52-mounting baseplate, the 53-sealing ring, the 54-screw, the 55-bolt, the 6-coaxial cable, 7-prolongs antenna, 8-wireless aps; The wireless route of 9-, 10-control room computer, 11-wireless transmitter module, 12-wireless receiving module, 14-electrical power connection device, 21-transformer, 15-private cable; The 16-twisted-pair feeder, 17-revolving body, 18-fixed body, 19-water pipe head, 20-through hole, 22-screw, 121-isolator; The outer conducting ring of 122-, conducting ring in the 123-, 13-brush assembly, 131-brush body, 132-brush, 133-spring, 134-cylindrical pin with external thread; The 141-lid, 142-cover, 1421-medium pore, 1422-side opening, 1423-installing hole, 1424-bolt hole
The specific embodiment
The shield-tunneling construction system of present embodiment comprises shield machine and the radar that mainly is made up of radar antenna and the DAD controller that is attached thereto.Below specify the structure of this shield-tunneling construction system.
Present embodiment selects for use the RIS-K2 type radar of Italian IDS company to be equipped with the 200MHz antenna, this radar antenna size, and its length a is 420mm, and width b is 360mm, and height c is 170mm.Radar volume is little, in light weight, is equipped with multichannel radar data acquisition unit, mainly partly is made up of DAD control module, radar antenna, computer, network cable, feed cable, battery etc.Concrete performance indications are following.
Electrical index: 12V dc source; Voltage range is 13.5～13.8V.
Environmental index: operating temperature-10～+ 40 ℃; Relative humidity＜90%; Waterproof and dustproof, anti-riot standard have reached IP65.
As shown in Figure 1, shield machine integral body can roughly be divided into three parts usually: otch ring, support ring and shield tail.Cutterhead is positioned at the place ahead of otch ring, and rotates.Support ring and shield tail do not rotate, and just move forward along the tunnel.Between cutterhead center and the support ring promptly in the otch ring center have the center steering body, the center steering body is the critical component that is used for to shield structure the place ahead transporting water, hydraulic oil and lubrication oil, comprises fixed body, revolving body, water pipe head etc.
Shown in Fig. 2～3b, radar antenna 1 must be installed in shield structure forefront could realize the forward direction detection, through the investigation to all kinds shield machine, selects antenna 1 is installed on the shield cutter 3.In work progress, shield cutter not only will receive soil pressure and the hydraulic pressure from face, also will bear the pressure from Tu Cang, and the shield cutter material generally adopts the high strength low-carbon alloy steel.Radar guard shield 5 is in shield structure forefront, contacts earth layer in front with cutterhead 3.With French FCB (Fives Cail Babcock) earth pressure balanced shield, EPBS is example, and under the shield-tunneling construction state, the average pressure that the shield cutter face is born is about 0.5Mpa, and when running into special geology, the pressure that is born possibly raise moment.Therefore the guard shield material should have good intensity, hardness, abrasion resistance, impact resistance, has good electromagnetic penetration property again.Through the comprehensive comparison of theory analysis and multiple material, the polytetrafluoroethylmaterial material of selecting to have good mechanical properties, anti-wear performance and electrical property is as the guard shield material.
Radar is the very high electronic devices and components of a kind of precision, and classification of waterproof is low, can only bear lower pressure, in order to protect the radar operate as normal and not damaged by external condition, need carry out machine rebuilding to shield cutter.Under the prerequisite that does not influence cutterhead intensity, performance; The space of excavation radar antenna 1 size is used for installing placement protection box 23 on cutterhead 3; Antenna 1 is fixed wherein, and the surface is covered with the guard shield 5 that intensity is high, abrasion resistance is good, the electromagnetic waves performance is strong and is protected, and keeps cutterhead 3 complete.2.21 meters at the rectangle hole centre distance cutterhead center of excavation, the rectangle hole is 0.59 meter along the cutter radius direction, along the circumferential direction is 0.61 meter.Whole radar protection box 23 adopts bolt 55 to be connected and fixed on mounting baseplate 52, uses 16 bolts 55 altogether, is uniformly distributed with, and every limit, protection box four limits is arranged four.Radar guard shield 5 is installed on the mounting baseplate 52, adopts screw 54 fixing.The concrete installation as follows: the mounting baseplate 52 of central authorities being offered window structure at first is welded in the cutter head of shield machine 3 rectangle holes 4, thereby provide the basis is installed.Then guard shield pressing plate 51 is pressed on the guard shield 5, pressing plate 51 and guard shield 5 is fixed on the substrate 52 in the lump through screw 54.To protect box 23 to be installed on the substrate 52 through bolt 55 at last.For the sealing that guarantees the whole erection structure is given birth to, protecting between box 23 and the mounting baseplate 52 and be respectively equipped with sealing ring 53 between guard shield 5 and the mounting baseplate 52.
For realizing the information transmission between radar and the shield machine control room, also need the signalization transmission system between the control room computer of radar and shield machine afterbody.As shown in Figure 4; This signal transmission system is made up of radar (comprising antenna 1 and DAD controller 2), wireless transmitter module 11, wireless receiving module 12, control room computer 10, electric power system; Wherein: wireless transmitter module 11 is made up of the wireless aps 8 and the prolongation antenna 7 thereof of NETGEAR company; What wireless receiving module 12 was selected for use is the LINKSYS wireless router 9 of Cisco System Co.; Electric power system adopts electric power system circuit and transformer 21 (band filter) that direct current is provided, and radar antenna 1 directly is connected through private cable 15 with its DAD controller 2, and DAD controller 2 passes through twisted-pair feeder 16 wired connections with the wireless aps 8 in the wireless transmitter module; Control room computer 10 passes through twisted-pair feeder 16 wired connections with wireless router 9; Wireless transmitter module 11, wireless receiving module 12 are connected with separately prolongation antenna 7 through coaxial cable 6 respectively, and the analog signal that radar antenna 1 is obtained becomes data signal after DAD controller 2 is handled, and insert wireless transmitter module 11 through the Ethernet interface of DAD controller 2;, wireless receiving module 12 is sent to the computer 10 in the shield tail control room after receiving, after after the special-purpose software processing radar image is shown.12 volts of direct currents that DC power-supply system provides with electric power transfer to shield structure head, are given the wireless aps 8 of wireless transmitter module and DAD controller 2 power supplies of radar through electrical power connection device 14 respectively.
Adopt data transmission system in the native system based on 802.11 wireless local area network technology; Has the highest 54Mbps data transfer rate; Transfer rate is higher; Behind the user side of control room, the picture quality behind the software decode is better than the picture quality after Bluetooth transmission through WLAN transmission compressing image signal.The IDS GPR DAD controller that native system adopted carries Ethernet interface, and is compatible based on 802.11 wireless network protocols, as long as it is connected wireless network, just can utilize WLAN to transmit data.WLAN BELAND toilet article have higher bandwidth; Can carry out Point-to-Point Data Transmission to side mac address through mutual binding; And adopt the WEP mode to carry out data encryption, guaranteed safety of data, therefore on the images signal, have the advantage that more reaches.
In order to ensure that the radar operate as normal is not damaged; Radar antenna 1, DAD controller 2 and wireless aps 8 place the protection box 23 that adapts with radar antenna shape size and fix; Cutterhead partly carries out necessary machine rebuilding in shield structure the place ahead; Excavate out shape size and the hole 4 that the protection box matees, protect box 23 to place in the hole 4, and covering protection plate 5 is to keep cutterhead complete.Simultaneously, do necessary wiring in the shield machine front and back.The cutterhead situation that partly connects up: the DAD controller 2 that is positioned at the protection box is connected through twisted-pair feeder 16 with wireless aps 8, and length is 0.3 meter; Wireless aps 8 is connected through coaxial cable 6 with prolongation antenna 7, and length is 5 meters.This coaxial cable 6 is along cutterhead otch ring intersection lead-in wire quadrant, gets into circuit to center steering body water pipe head place punching with water pipe to be connected on wireless aps 8 behind the center steering body and to prolong on the antennas 7.The wiring in People's Bank of China's lock to control room: the prolongation antenna 7 that is positioned near the wireless route of center steering body is connected with the wireless route 9 that is positioned at shield structure afterbody through coaxial cable 6, connects 18.6 meters of length; Wireless route 9 is connected through twisted-pair feeder 16 with control room computer 10, connects 8.6 meters of length.Thus, after GPR obtains shield structure front of tunnel heading geological condition, be transferred to shield tail control room, handle, on display, show, be used to instruct shield-tunneling construction through follow-up data via the data transmission system that makes up.
What the K2 type GPR that IDS company produces adopted is battery-driven pattern, and battery-driven advantage is that the voltage and current fluctuation range is little, can guarantee the accurate operation of radar and DAD controller thereof and the undistorted transmission of signal thereof.But according to the actual working environment of shield machine, adopt the storage battery power supply mode and be not suitable for (inconvenient periodic charge), native system adopts the direct current supply pattern for this reason.What GPR operating voltage and wireless transmitter module adopted is same 12V direct current, and what the wireless reception module then adopted is the direct current of 9V.Can know from the actual working environment of shield structure; Wireless receiving module can adopt its alternating current-direct current transformer-supplied that carries; And for GPR and wireless transmitter module; Because present domestic voltage also is not stable especially, thus native system to have designed a cover DC power-supply system be the GPR power supply, and this cover electric power system can also be monitored electric power thus supplied.DC power-supply system adopts quality lighter, and easier high-frequency electrical depressor is installed, and the subsidiary noise that has wave filter to come filtering to produce because of spread of voltage.The DC power-supply system circuit; The model of having selected for use ST company to be produced is the control chip of the IC of ST6200C as electric power system; The ST6200C chip internal carries control program, can satisfy the fairly simple application of constant pressure and flow power supply, does not need burning program again.
In order to realize above-mentioned information transmission and electric power conveying, also need transform to centre revolving joint:
Shown in Fig. 4～8, revolving body 17 inner hollow, internal cavities is connected with water pipe head 19 at the end-fitting place, and whole revolving body 17 is arranged in fixed body 18 chambeies.
At first on revolving body 17 internal chamber walls, have through hole 20; This through hole 20 axially runs through whole revolving body to the end-fitting place, is furnished with the prolongation antenna 7 and coaxial cable 6 of the power line of being drawn by shield cutter position DAD controller 2 and wireless transmitter module 11 and wireless aps 8 in the through hole 20.
In these revolving body 17 joints electrical power connection device 14 is installed then; This electrical power connection device 14 comprises two brush assemblies 13, outer conducting ring 122, interior conducting ring 123, isolator 121; Inside and outside conducting ring is provided with aperture; The power line that cutterhead position DAD controller and wireless transmitter module are drawn realizes and the electric connection of inside and outside conducting ring that through this aperture inside and outside conducting ring is installed on the isolator 121 through screw 22 respectively, and isolator is fixed on the revolving body 17 through screw 22.Each brush assembly 13 comprises brush body 131, brush 132, spring 133, cylindrical pin with external thread 134; Two brush assemblies 13 are twisted solid on two installing holes 1423 that cover 142 is provided with through brush body 131; Brush assembly 13 is connected with described conducting ring through brush 132; Brush 132, spring 133, cylindrical pin with external thread 134 are located in the brush body 131; Brush body 131 right-hand members are provided with the DC power line introducing that the shield tail is convenient in the hole, and cylindrical pin with external thread 134 is twisted solid on brush 132, and brush 132 1 ends insert in spring 133 chambeies; Its other end contacts with conducting ring, thus guarantee brush 132 under spring 133 elastic force effect left all the time tightly the conducting ring of pushing down realize contacting with the electrical of conducting ring.Inside and outside conducting ring is respectively to there being a brush assembly.Transmit the perforate of 12 volts of galvanic power lines through brush assembly 13 right-hand members from shield tail being used to of attracting and get into brush assembly, pass spring 133, electrically connect through cylindrical pin with external thread 134 and brush 132.Cylindrical pin with external thread 134 is used for power line is connected with brush 132 on the one hand, play the guiding role on the other hand, makes brush 132 can left and right sides fine motion in brush body 131 under the effect of spring 133, and assurance brush 132 is being pressed on the conducting ring tightly all the time.The next galvanic both positive and negative polarity of shield tail transmission has just arrived inside and outside conducting ring respectively through brush 132 like this.Inside and outside conducting ring is connected with revolving body through hole 20 interior power lines respectively again, has so just arrived the DAD controller and the wireless transmitter module of cutterhead part through power line transmission, for its power supply, realizes 12 volts of direct current transmission from shield structure afterbody to the cutterhead head.Because dead ring 121 is followed revolving body 17 rotations with inside and outside conducting ring in the electrical power connection device 14; Do not change and lid 141, cover 142 and brush assembly 13 are fixing; Again because inside and outside conducting ring is circular; Even being in rotation status, they still can keep in touch, effectively transferring electric power with the brush in the brush assembly.Therefore the coiling problem that the fine cutterhead rotation that must solve shield machine causes.
The prolongation antenna of the wireless route in the wireless receiving module nestles against the prolongation antenna of wireless aps in center steering body 17 joints; These two prolongation antennas carry out the wireless transmission of information; When wireless aps was rotated with cutterhead, wireless aps and wireless route still can realize transmission of Information.The prolongation antenna of wireless route is connected with wireless route through coaxial cable, and wireless route is connected with the computer that is positioned at shield structure afterbody control room through twisted-pair feeder again.Like this, the control room of radar transmissions to the shield structure afterbody of the information that just realized in the shield structure head cutterhead is equally also avoided because the coiling problem that rotation causes.
The inner ring of lid 141 is equipped with dust ring and sealing ring; Lid 141 airtight center steering body 17 outsides that are arranged in, said cover 142 is placed in outside the electrical power connection device 14, and there is bolt hole 1424 outer ring of lid 141 and cover 142; The two links together through bolt, can effectively prevent dust and seal.Cover 142 is provided with medium pore 1421 and has side opening 1422 uniformly along circumference, guarantees the smooth transmission of wireless messages.
The wireless signal of wireless transmitter module need just can be transferred on the receiver module through centre revolving joint, and the direct current that the electric power system of shield tail provides also will just can flow to radar and transmitter module through this centre revolving joint.
The foregoing description is merely explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. the shield-tunneling construction system based on GPR comprises shield machine, it is characterized in that: said shield-tunneling construction system also comprises the radar that mainly is made up of radar antenna and the DAD controller that is attached thereto;
Said radar is fixedly set in the protection box, and said protection box overall fixed is arranged in the hole that excavates on the cutterhead of shield machine the place ahead, and this hole place also covers the guard shield that can keep the cutterhead work plane complete;
Said radar is connected with the control room computer that is arranged on the shield machine afterbody through an information real-time transmission system; Said information real-time transmission system comprises the wireless signal transmitting module and the wireless signal receiver module that can cooperatively interact; Said wireless signal transmitting module comprises wireless aps and prolongs antenna; Said wireless signal receiver module comprises wireless router and prolongs antenna; Said radar antenna is transferred to the analog signal of obtaining and is become data signal after the DAD controller is handled, and this data signal is sent to the control room computer through wireless transmitter module and wireless receiving module more successively, and carries out subsequent treatment by the control room computer;
Said radar and wireless signal transmitting module are supplied power by an electric power system; This electric power system comprises the electrical power connection device that is installed in shield machine swivel coupling end-fitting place; Have through hole on this shield machine swivel coupling internal chamber wall; This through hole axially runs through whole shield machine swivel coupling to the end-fitting place, and is furnished with the power line of being drawn by DAD controller and wireless transmitter module and the prolongation antenna and the coaxial cable of wireless aps in this through hole, and said electrical power connection device comprises two brush assemblies, outer conducting ring, interior conducting ring, isolator; Said inside and outside conducting ring is provided with aperture; The power line that DAD controller and wireless transmitter module are drawn realizes and the electric connection of inside and outside conducting ring that through this aperture inside and outside conducting ring is fixedly mounted on the isolator, and isolator is fixedly mounted on the shield machine swivel coupling; Said each brush assembly comprises brush body, brush, spring, cylindrical pin with external thread; Brush assembly is connected with described two inside and outside conducting rings through brush, and brush, spring, cylindrical pin with external thread are located in the brush body, and cylindrical pin with external thread is twisted solid on brush; Brush one end inserts in the spring cavity; Its other end contacts with conducting ring, and brush is tightly pushed down conducting ring all the time and realized contacting with the electrical of conducting ring under spring elastic force effect left, is used to transmit the perforate entering brush assembly that 12 volts galvanic power lines pass through the brush assembly right-hand member from what the shield machine afterbody was drawn; And passing spring and brush electric connection, two interior with being arranged in shield machine swivel coupling through hole respectively again power lines of conducting ring are connected.
2. the shield-tunneling construction system based on GPR according to claim 1; It is characterized in that: described hole specifically excavates into the rectangle hole; The fixing central authorities of welding offer the mounting baseplate of window in this rectangle hole; One guard shield pressing plate is pressed on the guard shield, through screw pressing plate, guard shield is fixed on the substrate in the lump, and the whole protecting box is installed on the substrate inboard through bolt.
3. the shield-tunneling construction system based on GPR according to claim 2 is characterized in that: be respectively equipped with sealing ring between said protection box and the mounting baseplate and between guard shield and the mounting baseplate.
4. the shield-tunneling construction system based on GPR according to claim 2 is characterized in that: 2.21 meters at said rectangle hole centre distance cutter head of shield machine center, the rectangle hole is 0.59 meter along the cutter radius direction, along the circumferential direction is 0.61 meter.
5. the shield-tunneling construction system based on GPR according to claim 1; It is characterized in that: be connected with twisted-pair feeder between said DAD controller and the wireless aps; The prolongation antenna of said wireless aps arrives in the centre revolving joint along the cutter head of shield machine center culvert; The prolongation antenna of said wireless route is positioned near the centre revolving joint, and said wireless route is positioned at the shield machine afterbody, and is connected with the control room computer through twisted-pair feeder.
6. according to claim 1 or 5 described shield-tunneling construction systems based on GPR, it is characterized in that: the prolongation antenna of said wireless route nestles against the prolongation antenna of wireless aps in the centre revolving joint joint.
7. the shield-tunneling construction system based on GPR according to claim 5; It is characterized in that: said centre revolving joint is provided with the proofing dust and protecting structure, comprises lid and cover, and said brush assembly is twisted solid on cover through the brush body; There is bolt hole the outer ring of said lid and cover; The two links together through bolt, the airtight centre revolving joint outside that is arranged in of said lid, and said cover is placed in outside the electrical power connection device.
8. the shield-tunneling construction system based on GPR according to claim 7, it is characterized in that: the inner ring of said lid is equipped with dust ring and sealing ring.
9. the shield-tunneling construction system based on GPR according to claim 7 is characterized in that: said cover central openings along the circumferential direction evenly has side opening on its cover wall.
10. the shield-tunneling construction system based on GPR according to claim 1; It is characterized in that: transmit 12 volts of galvanic power lines from shield machine afterbody being used to of drawing and also can change 220 volts of alternating currents into 12 volts of galvanic transformers and be connected with one, this transformer is connected with 220 volts of AC powers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102322294B (en) * | 2011-05-31 | 2014-06-18 | 中铁二十局集团第一工程有限公司 | Comprehensive geological prediction method for karst tunnel construction |
| CN102287199A (en) * | 2011-06-24 | 2011-12-21 | 北京市三一重机有限公司 | Current interruption inductive multistage abrasion detection tool for shield machine |
| CN102331766B (en) * | 2011-08-15 | 2014-03-19 | 王茂 | Remote control system and method for shield machine |
| CN103343692B (en) * | 2013-07-03 | 2015-05-13 | 上海建工集团股份有限公司 | Radar antenna mounting device for cutter head of shield tunneling machine |
| CN103603669A (en) * | 2013-11-29 | 2014-02-26 | 上海建工集团股份有限公司 | Unfavorable geology forecasting device for shield tunnel and tunnel construction method |
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| CN108548683A (en) * | 2018-03-23 | 2018-09-18 | 北京交通大学 | Monitoring on Earth Pressure system and test method for shield model test machine |
| CN108982208B (en) * | 2018-09-27 | 2024-03-15 | 盾构及掘进技术国家重点实验室 | Pressure type shield cutter head cutter abrasion detection device and application method thereof |
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| CN110410085B (en) * | 2019-08-29 | 2021-02-19 | 北京住总集团有限责任公司 | Shield cutter head of shield machine based on geological advanced detection |
| CN111963187A (en) * | 2020-08-21 | 2020-11-20 | 凯丰智慧(山东省)市政工程有限公司 | Push bench with radar detection device and using method thereof |
| CN113266369B (en) * | 2021-06-03 | 2022-06-24 | 上海市基础工程集团有限公司 | Detection device applied to ultra-long distance shield axis positioning |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676194Y (en) * | 2003-12-29 | 2005-02-02 | 同济大学 | Testing device for geological radar detection of shield tunnel backfilled grout |
| CN1975112A (en) * | 2006-12-14 | 2007-06-06 | 同济大学 | Shield tunnel subsidence control method based on exploring radar |
| JP3992257B2 (en) * | 1998-11-05 | 2007-10-17 | 九州電力株式会社 | Underground radar equipment for underground excavator |
| JP4425762B2 (en) * | 2004-10-28 | 2010-03-03 | 株式会社光電製作所 | Radar equipment for underground exploration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3348237B2 (en) * | 1994-07-06 | 2002-11-20 | 飛島建設株式会社 | Underground exploration method and shield machine control method in shield method |
-
2010
- 2010-08-16 CN CN201010254003XA patent/CN101943003B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3992257B2 (en) * | 1998-11-05 | 2007-10-17 | 九州電力株式会社 | Underground radar equipment for underground excavator |
| CN2676194Y (en) * | 2003-12-29 | 2005-02-02 | 同济大学 | Testing device for geological radar detection of shield tunnel backfilled grout |
| JP4425762B2 (en) * | 2004-10-28 | 2010-03-03 | 株式会社光電製作所 | Radar equipment for underground exploration |
| CN1975112A (en) * | 2006-12-14 | 2007-06-06 | 同济大学 | Shield tunnel subsidence control method based on exploring radar |
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