CN107448203A - A kind of shield tunnel geological disaster detection means and its detection method - Google Patents
A kind of shield tunnel geological disaster detection means and its detection method Download PDFInfo
- Publication number
- CN107448203A CN107448203A CN201610381764.9A CN201610381764A CN107448203A CN 107448203 A CN107448203 A CN 107448203A CN 201610381764 A CN201610381764 A CN 201610381764A CN 107448203 A CN107448203 A CN 107448203A
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- elevating lever
- antenna
- detection
- fixed
- detection means
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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
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
Abstract
The invention discloses a kind of Propagation in Tunnel Disaster detection means and its detection method, Propagation in Tunnel Disaster detection means includes mobile stent car, angular adjustment disk, elevating lever, antenna and fixes buffer unit, the mobile stent car is a cuboid, upper surface is working panel, lower surface corner is provided with pulley, upper and lower surface is connected using support frame, and the angular adjustment disk is arranged on working panel；The elevating lever lower end is placed on angular adjustment disk, and upper end is fixed buffer unit with antenna and is connected.The invention also discloses the detection method using Propagation in Tunnel Disaster detection means, it can realize that all standing detects to disaster scenarios its such as the outside stratum cavity at each position of shield duct piece, defect, leakiness, improve the detection faces of GPR detection shield tunnel geological disaster；The defects of overcoming man-hour manually hand-held antenna, accuracy of detection, stability, security and operating efficiency are improved.
Description
Technical field
The invention belongs to technical field of measurement and test, and in particular to a kind of shield tunnel geological disaster detection means and its detection method.
Background technology
China has 38 cities to approve the construction of city underground project at present, China's city underground Large scale construction at an unprecedented rate.General Subway Tunnel carries out shield tunnel construction mostly, and circular shield section of jurisdiction is spliced in tunnel internal.During shield tunnel construction and operation, the geological disaster such as road surface collapses, stratum cavity, leakiness, section of jurisdiction dislocation happens occasionally.Conventional detection is typically in tunnel upper pavement detection or the detection of arch bottom, and detection depth is limited, generally 8-10m, and detection zone area is smaller（As shown in Figure 1）.And shield tunnel depth is most of between below ground 10-20m, conventional detection can not realize whole coverings.Because shield tunnel generally is circular, transverse horizontal movement can not occur for detection means, and conventional detection means can not realize that tunnel perimeter detects.If hole occurs in section of jurisdiction periphery, the relative changing of the relative positions may occur for section of jurisdiction, influence train operating safety, or even serious personnel casualty accidentses occur.To find out its cause, it is primarily due to set up geological radar antenna difficulty inside shield tunnel.
Before the present invention proposes, personnel and antenna equipment are typically increased to test position by conventional half arc tunnel geology detections of radar using high-altitude operation vehicle, and vault detection is carried out in a manner of artificial holding antenna.Because of the limitation of shield tunnel size, shape and internal steel track, the above method does not apply to simultaneously.And long-time holding antenna detection easily causes fatigue, cause radar antenna to collide, depart from, rock with tunnel inner wall, influence testing result, and detection labour cost is high, it is low potential safety hazard, operating efficiency to be present.Detection means in correlation technique typically utilizes lever principle, and when running into barrier, manually regulation is hidden repeatedly.This mode complex operation, advance slow, accuracy of detection is low, and detection zone area is small.
The content of the invention
It is an object of the invention to solve to walk complex operation existing for conventional tunnel geology detection process, advance slow, the problem of accuracy of detection is low, and detection zone area is small.
In order to realize above-mentioned technical purpose, the technical solution adopted in the present invention is：A kind of shield tunnel geological disaster detection means, buffer unit is fixed including mobile stent car, angular adjustment disk, elevating lever, antenna, the mobile stent car is a cuboid, upper surface is working panel, lower surface corner is provided with pulley, upper and lower surface is connected using support frame, and the angular adjustment disk is arranged on working panel；The elevating lever lower end is placed on angular adjustment disk, and upper end is fixed buffer unit with antenna and is connected.
Further, antenna, which fixes buffer unit, includes truckle, backing plate, crossbeam, the support of Y types, flexible restraint ties, and crossbeam is fixed together with Y type supporting weldings；Flexible restraint ties are fixed on below backing plate, and radar antenna is fixed on crossbeam by flexible restraint ties by tightening；Truckle makes to be screwed in above flexible restraint ties, is contacted with tunnel inner wall during detection.
Further, elevating lever top is provided with spring connector, and lifting club shaft is solid construction, and the spring connector includes latch, pin hole, spring, and the pin hole is arranged on lifting club shaft, and latch can move up and down with spring in pin hole.
Further, elevating lever top is provided with spring connector, and lifting club shaft is hollow-core construction, and the spring connector includes latch, pin hole, spring and solid cushion block, and latch can move up and down with spring in pin hole.
Further, angular adjustment disk includes rounded groove disk, angle adjustable bolt, adapter sleeve, fixing bolt, and the chute of rounded groove disk is circular shape, and the chute center of arc offers the hole supporting with angle adjustable bolt size；Adapter sleeve angle of inclination is fixed or adjusted using angle adjustable bolt to realize that instrument different angle in tunnel in top detects；Elevating lever is fixed in adapter sleeve to realize the firm of detection process middle and upper part instrument using fixing bolt.
Shield tunnel geological disaster detection method provided by the invention, its step are as follows：
S1：Mobile stent car 4 is completed to assemble in relevant position, adapter sleeve 3c is adjusted to detection angles, fixed angle regulating bolt 3b using angle adjustable bolt 3b；
S2：Elevating lever 2 is placed on inside adapter sleeve 3c and reduces the height of elevating lever 2 to minimum, uses fixing bolt 3d to fix elevating lever 2；Then, radar antenna 5 is fixed on antenna with flexible restraint ties 1e to fix on buffer unit 1, extracts latch 2a, the lower end for lifting antenna fixation buffer unit 1 is placed on inside the upper sleeve of elevating lever 2, alignment apertures, insertion latch 2a；Then, fixing bolt 3d is unclamped, elevating lever 2 is risen to test position, fixed fixing bolt 3d, radar antenna 5 is connected with cable with computer, suitable gain parameter is adjusted, starts to detect；
S3：Avoiding barrier is crossed by truckle 1a slip and the flexible of spring 2c in detection process；After completing the detection of certain angle, angle adjustable bolt 3b is unclamped, is adjusted to next angle, fixed angle regulating bolt 3b continues to detect；
S4：After the completion of detection, first fixing bolt 3d is unclamped, elevating lever 2 is down to proper height, pulls up latch 2a, and antenna fixation buffer unit 1 is placed on working face 4a, radar antenna 5 and geological radar instrument is dismantled, keeps well.
Compared with prior art, the beneficial effect that technical scheme provided by the invention is brought is：（1）Detection zone area expands（As shown in Figure 2）, vault detection and periphery detection are realized, does not stay potential safety hazard；（2）Labor-saving safety, adaptive tunnel cross-section GPR detection device and detection car upper and lower ends are designed with pulley, and when tunnel internal detects motion advance, resistance is smaller, can use artificial traction or other power tractions, operating personnel's whole ground handling, avoid work high above the ground danger；（3）Simple efficiently the present invention makes simply, and cost is low, realizes continuous automatic crossing over blockage detection, efficiency high；（4）Green, the repeatable dismounting of the present invention utilizes, and avoids the wasting of resources, fault rate is low, easy to maintenance.
Brief description of the drawings
Fig. 1 is conventional detection area schematic.
Fig. 2 is detection zone schematic diagram of the present invention.
Fig. 3 is a kind of structural representation of Propagation in Tunnel Disaster detection means of the present invention.
Fig. 4 is that antenna fixes buffer structure indication device.
Fig. 5 is that elevating lever fixes buffer unit attachment structure schematic diagram with antenna.
Fig. 6 is angular adjustment dish structure schematic diagram.
In figure, antenna fixes buffer unit 1, truckle 1a, backing plate 1b, crossbeam 1c, Y type support 1d, flexible restraint ties 1e, elevating lever 2, latch 2a, pin hole 2b, spring 2c, solid cushion block 2d, angular adjustment disk 3, rounded groove disk 3a, angle adjustable bolt 3b, adapter sleeve 3c, fixing bolt 3d, mobile stent car 4, working panel 4a, support frame 4b, pulley 4c, geological radar antenna 5.
Embodiment
The present invention is described in detail with reference to specific embodiment and accompanying drawing.
As seen in figures 3-6, a kind of shield tunnel geological disaster detection means, it is characterised in that：Buffer unit 1 is fixed including mobile stent car 4, angular adjustment disk 3, elevating lever 2, antenna, the mobile stent car 4 is a cuboid, upper surface is working panel 4a, lower surface corner is provided with pulley 4c, upper and lower surface uses support frame 4b connections, and the angular adjustment disk 3 is arranged on working panel 4a；The lower end of elevating lever 2 is placed on angular adjustment disk 3, and upper end is fixed buffer unit 1 with antenna and is connected.
In such scheme, antenna, which fixes buffer unit 1, includes truckle 1a, backing plate 1b, crossbeam 1c, Y type support 1d, flexible restraint ties 1e, and crossbeam 1c and Y types support 1d is welded and fixed together；The flexible restraint ties 1e is fixed on below backing plate 1b, and radar antenna 5 is fixed on crossbeam 1c by flexible restraint ties 1e by tightening；The truckle 1a makes to be screwed in above flexible restraint ties 1e, is contacted with tunnel inner wall during detection.
Further, the top of elevating lever 2 is provided with spring connector, and the body of rod of elevating lever 2 is solid construction, and spring connector includes latch 2a, pin hole 2b, spring 2c, the pin hole 2b is arranged on the body of rod of elevating lever 2, and latch 2a can move up and down with spring 2c in pin hole 2b.
Further, the top of elevating lever 2 is provided with spring connector, and the body of rod of elevating lever 2 is hollow-core construction, and the spring connector, which includes latch 2a, pin hole 2b, spring 2c and solid cushion block 2d, latch 2a, to be moved up and down with spring 2c in pin hole 2b.
Further, it is circular shape that angular adjustment disk 3, which includes rounded groove disk 3a, angle adjustable bolt 3b, adapter sleeve 3c, fixing bolt 3d, rounded groove disk 3a chute, and the chute center offers the hole supporting with angle adjustable bolt 3d sizes；Adapter sleeve 3c angles of inclination are fixed or adjusted using angle adjustable bolt 3d to realize that instrument different angle in tunnel in top detects；Elevating lever 2 is fixed in adapter sleeve 3c to realize the firm of detection process middle and upper part instrument using fixing bolt 3d.
The detection method of the present invention is as follows：First, mobile stent car 4 is completed to assemble in relevant position, adapter sleeve 3c is adjusted to detection angles, fixed angle regulating bolt 3b using angle adjustable bolt 3b；Then, elevating lever 2 is placed on inside adapter sleeve 3c and reduces the height of elevating lever 2 to minimum, use fixing bolt 3d to fix elevating lever 2；Then, radar antenna 5 is fixed on antenna with flexible restraint ties 1e to fix on buffer unit 1, extracts latch 2a, the lower end for lifting antenna fixation buffer unit 1 is placed on inside the upper sleeve of elevating lever 2, alignment apertures, insertion latch 2a；Then, fixing bolt 3d is unclamped, elevating lever 2 is risen to test position, fixed fixing bolt 3d, radar antenna 5 is connected with cable with computer, suitable gain parameter is adjusted, starts to detect；Avoiding barrier is crossed by truckle 1a slip and the flexible of spring 2c in detection process；After completing the detection of certain angle, angle adjustable bolt 3b is unclamped, is adjusted to next angle, fixed angle regulating bolt 3b continues to detect；Finally, after the completion of detection, first fixing bolt 3d is unclamped, elevating lever 2 is down to proper height, pulls up latch 2a, and antenna fixation buffer unit 1 is placed on working face 4a, radar antenna 5 and geological radar instrument is dismantled, keeps well.
Although the present invention has been presented for some embodiments, it will be appreciated by those of skill in the art that without departing from the spirit of the invention, can be changed to performance.Above-mentioned embodiment is exemplary, and the restriction of the scope of the invention should not be used as using above-mentioned embodiment.
Claims (6)
- A kind of 1. shield tunnel geological disaster detection means, it is characterised in that：Buffer unit is fixed including mobile stent car, angular adjustment disk, elevating lever, antenna, the mobile stent car is a cuboid, and upper surface is working panel, and lower surface corner is provided with pulley, upper and lower surface is connected using support frame, and the angular adjustment disk is arranged on working panel；The elevating lever lower end is placed on angular adjustment disk, and upper end is fixed buffer unit with antenna and is connected.
- A kind of 2. shield tunnel geological disaster detection means according to claim 1, it is characterised in that：The antenna, which fixes buffer unit, includes truckle, backing plate, crossbeam, the support of Y types, flexible restraint ties, and the crossbeam is fixed together with Y type supporting weldings；The flexible restraint ties are fixed on below backing plate, and radar antenna is fixed on crossbeam by flexible restraint ties by tightening；The truckle makes to be screwed in above flexible restraint ties, is contacted with tunnel inner wall during detection.
- A kind of 3. shield tunnel geological disaster detection means according to claim 1, it is characterised in that：The elevating lever top is provided with spring connector, and lifting club shaft is solid construction, and the spring connector includes latch, pin hole, spring, and the pin hole is arranged on lifting club shaft, and latch can move up and down with spring in pin hole.
- A kind of 4. shield tunnel geological disaster detection means according to claim 3, it is characterised in that：The elevating lever top is provided with spring connector, and lifting club shaft is hollow-core construction, and the spring connector includes latch, pin hole, spring and solid cushion block, and latch can move up and down with spring in pin hole.
- A kind of 5. shield tunnel geological disaster detection means according to claim 1, it is characterised in that：Angular adjustment disk includes rounded groove disk, angle adjustable bolt, adapter sleeve, fixing bolt, and the chute of rounded groove disk is circular shape, and the chute center offers the hole supporting with angle adjustable bolt size；Adapter sleeve angle of inclination is fixed or adjusted using angle adjustable bolt to realize that instrument different angle in tunnel in top detects；Elevating lever is fixed in adapter sleeve to realize the firm of detection process middle and upper part instrument using fixing bolt.
- 6. a kind of shield tunnel geological disaster detection method, including the shield tunnel geological disaster detection means described in any one of claim 1 to 5, its step are as follows：S1：Mobile stent car 4 is completed to assemble in relevant position, adapter sleeve 3c is adjusted to detection angles, fixed angle regulating bolt 3b using angle adjustable bolt 3b；S2：Elevating lever 2 is placed on inside adapter sleeve 3c and reduces the height of elevating lever 2 to minimum, uses fixing bolt 3d to fix elevating lever 2；Then, radar antenna 5 is fixed on antenna with flexible restraint ties 1e to fix on buffer unit 1, extracts latch 2a, the lower end for lifting antenna fixation buffer unit 1 is placed on inside the upper sleeve of elevating lever 2, alignment apertures, insertion latch 2a；Then, fixing bolt 3d is unclamped, elevating lever 2 is risen to test position, fixed fixing bolt 3d, radar antenna 5 is connected with cable with computer, suitable gain parameter is adjusted, starts to detect；S3：Avoiding barrier is crossed by truckle 1a slip and the flexible of spring 2c in detection process；After completing the detection of certain angle, angle adjustable bolt 3b is unclamped, is adjusted to next angle, fixed angle regulating bolt 3b continues to detect；S4：After the completion of detection, first fixing bolt 3d is unclamped, elevating lever 2 is down to proper height, pulls up latch 2a, and antenna fixation buffer unit 1 is placed on working face 4a, radar antenna 5 and geological radar instrument is dismantled, keeps well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381764.9A CN107448203A (en) | 2016-06-01 | 2016-06-01 | A kind of shield tunnel geological disaster detection means and its detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381764.9A CN107448203A (en) | 2016-06-01 | 2016-06-01 | A kind of shield tunnel geological disaster detection means and its detection method |
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| CN107448203A true CN107448203A (en) | 2017-12-08 |
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| CN201610381764.9A Pending CN107448203A (en) | 2016-06-01 | 2016-06-01 | A kind of shield tunnel geological disaster detection means and its detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643921A (en) * | 2018-04-18 | 2018-10-12 | 同济大学 | Shield-tunneling construction quality machine-carried type double freedom detection method and detection platform |
| CN109188426A (en) * | 2018-08-16 | 2019-01-11 | 广西有色勘察设计研究院 | A method of utilizing geologic radar detection shield duct piece grouting behind shaft or drift lining quality |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257744A (en) * | 2001-03-02 | 2002-09-11 | Takenaka Komuten Co Ltd | Method and device for inspecting defect of concrete |
| CN201707453U (en) * | 2010-04-02 | 2011-01-12 | 云南省建筑科学研究院 | Auxiliary device for radar nondestructive detection used in wall of tunnel |
| CN103175565A (en) * | 2013-03-25 | 2013-06-26 | 长沙理工大学 | Tunnel lining detection support with height and angle capable of being automatically adjusted |
| CN103697932A (en) * | 2013-12-25 | 2014-04-02 | 中国建筑第五工程局有限公司 | Tunnel detector |
-
2016
- 2016-06-01 CN CN201610381764.9A patent/CN107448203A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257744A (en) * | 2001-03-02 | 2002-09-11 | Takenaka Komuten Co Ltd | Method and device for inspecting defect of concrete |
| CN201707453U (en) * | 2010-04-02 | 2011-01-12 | 云南省建筑科学研究院 | Auxiliary device for radar nondestructive detection used in wall of tunnel |
| CN103175565A (en) * | 2013-03-25 | 2013-06-26 | 长沙理工大学 | Tunnel lining detection support with height and angle capable of being automatically adjusted |
| CN103697932A (en) * | 2013-12-25 | 2014-04-02 | 中国建筑第五工程局有限公司 | Tunnel detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643921A (en) * | 2018-04-18 | 2018-10-12 | 同济大学 | Shield-tunneling construction quality machine-carried type double freedom detection method and detection platform |
| CN109188426A (en) * | 2018-08-16 | 2019-01-11 | 广西有色勘察设计研究院 | A method of utilizing geologic radar detection shield duct piece grouting behind shaft or drift lining quality |
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Application publication date: 20171208 |