CN102749214B - Detecting device for side walls of tunnels - Google Patents
Detecting device for side walls of tunnels Download PDFInfo
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- CN102749214B CN102749214B CN201210245631.0A CN201210245631A CN102749214B CN 102749214 B CN102749214 B CN 102749214B CN 201210245631 A CN201210245631 A CN 201210245631A CN 102749214 B CN102749214 B CN 102749214B
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- guide rail
- sheave
- bar
- geological radar
- base
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a detecting device for side walls of tunnels. The detecting device comprises a geological radar device, an expansion mechanism and a base, the geological radar device is mounted on the base by the expansion mechanism, the expansion mechanism consists of a guide rail, a guide rail slider, a brace and a driving assembly, the guide rail is obliquely arranged on the base, the brace is slidably mounted on the guide rail via the guide rail slider, the driving assembly drives the brace to slide on the guide rail, and the geological radar device is mounted on the top of the brace by a buffering mechanism and can elastically contact with a side wall of a tunnel via the buffering mechanism. By the aid of the additional expansion mechanism, the geological radar device does not need to be held by a worker to detect the side wall, and detection safety and stability are improved. The detecting device is applicable to detecting the tunnels.
Description
Technical field
The present invention relates to a kind of tunnel pick-up unit, particularly a kind of tunnel-side pick-up unit.
Background technology
Before the present invention proposes, in complicated modernization railway in operation tunnel detects, generally with the detection mode of artificial hand-held geological radar, detect the safety and stability of tunnel-side, this detection mode not only labour intensity is large, and can be because human factor affects the detection quality in tunnel.Meanwhile, during due to detection, must allow geological radar contact with tunnel-side, so operator does not slightly note breaking geological radar.
Summary of the invention
The object of the invention is, in order to overcome the deficiency of above-mentioned background technology, provides a kind of simple in structure, easy to operate and detect tunnel-side pick-up unit accurately.
In order to realize above object, a kind of tunnel-side pick-up unit provided by the invention, comprise: geological radar, telescoping mechanism and base, described geological radar is arranged on base by telescoping mechanism, described telescoping mechanism comprises guide rail, guide rail slide block, strut and driving assembly, described guide rail is oblique to be arranged on described base, described strut is slidably mounted on described guide rail by guide rail slide block, described driving assembly drives described strut to slide on described guide rail, described geological radar is the top that the buffer gear of Elastic Contact is arranged on strut by making geological radar and tunnel-side.By the telescoping mechanism adding, avoid artificial hand-held geological radar to detect, improved the safety and stability detecting.
In such scheme, described buffer gear comprises the left bar of U-shaped, lower beam, the right bar of U-shaped, upper boom and spring, the right bar of described U-shaped lower end is fixed on described strut top, described geological radar is arranged on the left bar of described U-shaped, one end of described upper boom and lower beam is actively plugged in respectively the left bar of described U-shaped top and bottom, the other end of described upper boom and lower beam is actively plugged in respectively the right bar of described U-shaped top and bottom, described spring one end is arranged on the right bar of described U-shaped upper end, and the spring other end is arranged on the left bar of described U-shaped lower end.By the buffer gear adding, making geological radar and tunnel-side is Elastic Contact, prevents from damaging geological radar, simple in structure, detects accurately.
In such scheme, described driving assembly comprises motor, reductor, rope sheave, rope sheave seat, wire rope, top sheave and lower sheave, described rope sheave is movably arranged on described guide rail by rope sheave seat, described reductor is arranged on described rope sheave seat, described motor via reducer and described rope sheave are in transmission connection, described top sheave and lower sheave are arranged on respectively the top and bottom of described guide rail, described wire rope one end is fixed on described rope sheave, the wire rope other end is successively wound around described top sheave successively, after lower sheave and rope sheave, be also fixed on rope sheave, described guide rail slide block is fixedly connected with the wire rope being wrapped between top sheave and lower sheave.By adopting the driving assembly that motor is power source, can control fast above-mentioned geological radar fast rise or decline, improved dynamic property and the efficiency of this device.Described rope sheave is dual-slot structure, is convenient to like this wirerope-winding on rope sheave.
In such scheme, between described guide rail and base, be provided with fold mechanism, this fold mechanism comprises bottom bar, pole and pull bar, described bottom bar is vertically arranged on described base, described pole lower end and described bottom bar upper end are hinged, and described pole upper end and described guide rail middle part are hinged, and described pull bar lower end and base are hinged, pull bar upper end is flexibly connected with described guide rail lower end, and described bottom bar is provided with register pin.Like this, before detection and after detecting, this device can be by described fold mechanism reduction height, convenient transportation; Meanwhile, when this device breaks down, by regulating described fold mechanism can make this device fast-descending avoid tunnel wall, improved the detection security of this device.
In such scheme, described guide rail is provided with the guide pin bushing for strut guiding.
In such scheme, on described guide rail, the position of corresponding wire rope is provided with steel wire rope tensioning mechanism.
In such scheme, described base is provided with the laser sensor for detection of tunnel radius, described guide rail is provided with the displacement transducer for detection of described guide rail slide block, on described base, be also provided with PLC controller, described laser sensor, displacement transducer and motor are connected with described PLC controller.Described laser sensor and displacement transducer, to described PLC controller Real-time Feedback signal, provide data foundation for this device regulates geological radar position in real time; Meanwhile, the laser sensor adding, displacement transducer and PLC controller have been realized the robotization detecting, and detect accurately.
The principle of work of described buffer gear is as follows:
When geological radar touches tunnel-side, the U-shaped left bar fixed with geological radar has downward displacement with respect to the right bar of U-shaped, described upper boom and lower beam be take respectively and are moved in the counterclockwise direction as the center of circle with the pin joint of the right bar of U-shaped separately, the spring that is arranged on U-shaped right bar upper end and the left bar of U-shaped lower end forms certain resistance, has and alleviates the effect of impacting.
The beneficial effect that technical scheme provided by the invention is brought is: compared to existing technology, the present invention has avoided artificial hand-held geological radar to detect by the telescoping mechanism adding, and has improved the safety and stability detecting; Meanwhile, by the buffer gear adding, making geological radar and tunnel-side is Elastic Contact, prevents from damaging geological radar, simple in structure, detects accurately; And, by adopting the driving assembly that motor is power source, can control fast above-mentioned geological radar fast rise or decline, improved the dynamic property of this device, efficiency is high; Again and, the laser sensor adding, displacement transducer and PLC controller have been realized the robotization detecting; Finally, described fold mechanism can promptly be kept away barrier, has effectively improved security and the reliability of device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is folded state structural representation of the present invention;
Fig. 3 is the local structure for amplifying schematic diagram of the A portion of Fig. 1;
Fig. 4 is the local structure for amplifying schematic diagram of the B portion of Fig. 1;
Fig. 5 is the annexation structural representation of geological radar and buffer gear;
Fig. 6 is the structural representation of another angle of the annexation of geological radar and buffer gear;
Fig. 7 is the structural representation of buffer gear;
Fig. 8 is that the C-C of Fig. 7 is to cross-sectional view;
Fig. 9 is that the D-D of Fig. 7 is to cross-sectional view.
In figure, geological radar 1, telescoping mechanism 2, guide rail 2a, guide rail slide block 2b, strut 2c, drive assembly 2d, motor 2d1, reductor 2d2, rope sheave 2d3, rope sheave seat 2d4, wire rope 2d5, top sheave 2d6, lower sheave 2d7, base 3, buffer gear 4, the left bar 4a of U-shaped, lower beam 4b, the right bar 4c of U-shaped, upper boom 4d, spring 4e, fold mechanism 5, bottom bar 5a, pole 5b, pull bar 5c, register pin 5d, guide pin bushing 6, steel wire rope tensioning mechanism 7, laser sensor 8, displacement transducer 9, PLC controller 10.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, a kind of tunnel-side pick-up unit provided by the invention, comprise: geological radar 1, telescoping mechanism 2 and base 3, described geological radar 1 is arranged on base 3 by telescoping mechanism 2, described telescoping mechanism 2 comprises guide rail 2a, guide rail slide block 2b, strut 2c and driving assembly 2d, described guide rail 2a is oblique to be arranged on described base 3, described strut 2c is slidably mounted on described guide rail 2a by guide rail slide block 2b, described driving assembly 2d drives described strut 2c to slide on described guide rail 2a, described geological radar 1 is by making buffer gear 4 that geological radar 1 and tunnel-side are Elastic Contact be arranged on the top of strut 2c.By the telescoping mechanism adding, avoid artificial hand-held geological radar to detect, improved the safety and stability detecting.
Above-mentioned buffer gear 4 comprises the left bar 4a of U-shaped, lower beam 4b, the right bar 4c of U-shaped, upper boom 4d and spring 4e, the right bar 4c of described U-shaped lower end is fixed on described strut 2c top, described geological radar 1 is arranged on the left bar 4a of described U-shaped, one end of described upper boom 4b and lower beam 4d is actively plugged in respectively the left bar 4a of described U-shaped top and bottom, the other end of described upper boom 4b and lower beam 4d is actively plugged in respectively the right bar 4c of described U-shaped top and bottom, described spring 4e one end is arranged on the left bar 4a of described U-shaped lower end, and the spring 4e other end is arranged on the right bar 4c of described U-shaped upper end.By the buffer gear 4 adding, making geological radar 1 and tunnel-side is Elastic Contact, prevents from damaging geological radar 1, simple in structure, detects accurately.
Above-mentioned driving assembly 2d comprises motor 2d1, reductor 2d2, rope sheave 2d3, rope sheave seat 2d4, wire rope 2d5, top sheave 2d6 and lower sheave 2d7, described rope sheave 2d3 is movably arranged on described guide rail 2a by rope sheave seat 2d4, described reductor 2d2 is arranged on described rope sheave seat 2d4, described motor 2d1 is in transmission connection by reductor 2d2 and described rope sheave 2d3, described top sheave 2d6 and lower sheave 2d7 are arranged on respectively the top and bottom of described guide rail 2a, described wire rope 2d5 one end is fixed on described rope sheave 2d3, the wire rope 2d5 other end is successively wound around described top sheave 2d6 successively, after lower sheave 2d7 and rope sheave 2d3, be also fixed on rope sheave 2d3, described guide rail slide block 2b is fixedly connected with the wire rope 2d5 being wrapped between top sheave 2d6 and lower sheave 2d7.By adopting the driving assembly that motor 2d1 is power source, can control fast above-mentioned geological radar 1 fast rise or decline, improved dynamic property and the efficiency of this device.
Between above-mentioned guide rail 2a and base 3, be provided with fold mechanism 5, this fold mechanism 5 comprises bottom bar 5a, pole 5b and pull bar 5c, described bottom bar 5a is vertically arranged on described base 3, described pole 5b lower end and described bottom bar 5a upper end are hinged, described pole 5b upper end and described rope sheave seat 2d4 are hinged, described pull bar 5c lower end and base 3 are hinged, and pull bar 5c upper end is flexibly connected with described guide rail 2a lower end, and described bottom bar 5a is provided with register pin 5d.Like this, before detection and after detecting, this device can be by described fold mechanism 5 reduction height, convenient transportation; Meanwhile, when this device breaks down, by regulating described fold mechanism 5 can make described geological radar 1 fast-descending avoid tunnel wall, improved the detection security of this device.
Above-mentioned guide rail 2a is provided with the guide pin bushing 6 for strut 2c guiding.The position of the upper corresponding wire rope 2d5 of described guide rail 2a is provided with steel wire rope tensioning mechanism 7.Described base 3 is provided with the laser sensor 8 for detection of tunnel radius, described guide rail 2a is provided with the displacement transducer 9 for detection of described guide rail slide block 2b, on described base 3, be also provided with PLC controller 10, described laser sensor 8, displacement transducer 9 and motor 2d1 are connected with described PLC controller 10.Described laser sensor 8 and displacement transducer 9, to described PLC controller 10 Real-time Feedback signals, provide data foundation for this device regulates geological radar 1 position in real time; Meanwhile, the laser sensor 8 adding, displacement transducer 9 and PLC controller 10 have been realized the robotization detecting, and detect accurately and strong interference immunity.
When this device is used:
First, this device is fixed on mobile platform, this mobile platform can be flat bogie, can be also automobile or railcar; Then pole 5b is turned to vertical state, described guide rail 2a and pull bar 5c are located along the same line, and with register pin 5d, pole 5b is located, prevent that its rotation from can start to detect; After detection, unclamp described register pin 5d, and rotate described pole 5b, this device is highly reduced, so that transportation.
In testing process, described PLC controller 10 is controlled described motor 2d1 and is driven described strut 2c to rise to desired height, and by described buffer gear 4, geological radar 1 and tunnel-side is connect as Elastic Contact, when described laser sensor 8 detects tunnel radius and diminishes suddenly, described PLC controller 10 is controlled described motor 2d1 and is driven described rope sheave 2d3 forward, the latter half of described wire rope 2d5 is wrapped in described rope sheave 2d3 and above shortens, the first half of wire rope 2d5 departs from and elongated from rope sheave 2d3, thereby drive described guide rail slide block 2b and strut 2c to decline, after finally making described geological radar 1 drop to reducing height, stop that (described laser sensor 8 and displacement transducer 9 feed back to described PLC controller 10 jointly by signal, through calculating the displacement of described strut 2c, to guarantee that geological radar 1 rises or drops to desired height), described laser sensor 8 continues to detect the sidewall in minor radius tunnel, when described laser sensor 8 detects tunnel radius and becomes large, described PLC controller 10 is controlled described motor 2d1 and is driven described rope sheave 2d3 reversion, the first half of described wire rope 2d5 is wrapped in described rope sheave 2d3 and above shortens, the latter half of wire rope 2d5 departs from and elongated from rope sheave 2d3, thereby drive described guide rail slide block 2b and strut 2c to rise, after finally making described geological radar 1 rise to new height, stop that (described laser sensor 8 and displacement transducer 9 feed back to described PLC controller 10 jointly by signal, through calculating the displacement of described strut 2c, to guarantee that geological radar 1 rises or drops to desired height), described laser sensor 8 continues to detect the sidewall in large radius tunnel.
The present invention has avoided artificial hand-held geological radar 1 to detect by the telescoping mechanism 2 adding, and has improved the safety and stability detecting; Meanwhile, by the buffer gear 4 adding, making geological radar 1 and tunnel-side is Elastic Contact, prevents from damaging geological radar 1, simple in structure, detects accurately; And, by adopting the driving assembly that motor 2d1 is power source, can control fast above-mentioned geological radar 1 fast rise or decline, improved the dynamic property of this device, efficiency is high; Again and, the laser sensor 8 adding, displacement transducer 9 and PLC controller 10 have been realized the robotization detecting; Finally, described fold mechanism 5 can promptly be kept away barrier, has effectively improved security and the reliability of device.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a tunnel-side pick-up unit, comprise: geological radar, telescoping mechanism and base, described geological radar is arranged on base by telescoping mechanism, it is characterized in that, described telescoping mechanism comprises guide rail, guide rail slide block, strut and driving assembly, described guide rail is oblique to be arranged on described base, described strut is slidably mounted on described guide rail by guide rail slide block, described driving assembly drives described strut to slide on described guide rail, and described geological radar is the top that the buffer gear of Elastic Contact is arranged on strut by making geological radar and tunnel-side, described buffer gear comprises the left bar of U-shaped, lower beam, the right bar of U-shaped, upper boom and spring, the right bar of described U-shaped lower end is fixed on described strut top, described geological radar is arranged on the left bar of described U-shaped, one end of described upper boom and lower beam is actively plugged in respectively the left bar of described U-shaped top and bottom, the other end of described upper boom and lower beam is actively plugged in respectively the right bar of described U-shaped top and bottom, described spring one end is arranged on the right bar of described U-shaped upper end, and the spring other end is arranged on the left bar of described U-shaped lower end, described driving assembly comprises motor, reductor, rope sheave, rope sheave seat, wire rope, top sheave and lower sheave, described rope sheave is movably arranged on described guide rail by rope sheave seat, described reductor is arranged on described rope sheave seat, described motor via reducer and described rope sheave are in transmission connection, described top sheave and lower sheave are arranged on respectively the top and bottom of described guide rail, described wire rope one end is fixed on described rope sheave, the wire rope other end is successively wound around described top sheave successively, after lower sheave and rope sheave, be also fixed on rope sheave, described guide rail slide block is fixedly connected with the wire rope being wrapped between top sheave and lower sheave, between described guide rail and base, be provided with fold mechanism, this fold mechanism comprises bottom bar, pole and pull bar, described bottom bar is vertically arranged on described base, described pole lower end and described bottom bar upper end are hinged, described pole upper end and described guide rail middle part are hinged, described pull bar lower end and base are hinged, and pull bar upper end is flexibly connected with described guide rail lower end, and described bottom bar is provided with register pin.
2. tunnel-side pick-up unit according to claim 1, is characterized in that, described guide rail is provided with the guide pin bushing for strut guiding.
3. tunnel-side pick-up unit according to claim 1, is characterized in that, on described guide rail, the position of corresponding wire rope is provided with steel wire rope tensioning mechanism.
4. tunnel-side pick-up unit according to claim 1, it is characterized in that, described base is provided with the laser sensor for detection of tunnel radius, described guide rail is provided with the displacement transducer for detection of described guide rail slide block, on described base, be also provided with PLC controller, described laser sensor, displacement transducer and motor are connected with described PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245631.0A CN102749214B (en) | 2012-07-16 | 2012-07-16 | Detecting device for side walls of tunnels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245631.0A CN102749214B (en) | 2012-07-16 | 2012-07-16 | Detecting device for side walls of tunnels |
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| CN102749214A CN102749214A (en) | 2012-10-24 |
| CN102749214B true CN102749214B (en) | 2014-12-10 |
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| CN201210245631.0A Active CN102749214B (en) | 2012-07-16 | 2012-07-16 | Detecting device for side walls of tunnels |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033851A (en) * | 2012-12-19 | 2013-04-10 | 山东大学 | Device of monitoring fissure deep fracture development by using geological radar and monitoring method |
| CN105738893B (en) * | 2015-12-30 | 2019-01-11 | 中铁第四勘察设计院集团有限公司 | Vehicle-mounted tunnel-liner radar detection device |
| CN109184797B (en) * | 2018-09-25 | 2020-05-05 | 福建省永正工程质量检测有限公司 | Tunnel structure detection device |
| CN109490877A (en) * | 2018-11-28 | 2019-03-19 | 佛山科学技术学院 | Detection device is used in a kind of mobile water-rich sand layer detection of tunnel construction |
| CN110925546A (en) * | 2019-12-25 | 2020-03-27 | 云南航天工程物探检测股份有限公司 | Three-dimensional acquisition device and acquisition method for tunnel geological radar advanced prediction data |
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| CN202661282U (en) * | 2012-07-16 | 2013-01-09 | 中铁第四勘察设计院集团有限公司 | Detecting device for tunnel sidewall |
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| JP2653263B2 (en) * | 1991-04-18 | 1997-09-17 | 住友金属工業株式会社 | Detinning from molten iron |
| JP4318115B2 (en) * | 2003-08-28 | 2009-08-19 | 東日本旅客鉄道株式会社 | Tunnel lining inspection equipment |
| 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 |
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| CN101846639A (en) * | 2010-05-19 | 2010-09-29 | 云南三星机械设备仪器制造有限公司 | Movable tunnel detection arm |
| CN202661282U (en) * | 2012-07-16 | 2013-01-09 | 中铁第四勘察设计院集团有限公司 | Detecting device for tunnel sidewall |
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