CN208333367U - Country rock excavation deformation overall process monitors system - Google Patents
Country rock excavation deformation overall process monitors system Download PDFInfo
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- CN208333367U CN208333367U CN201721474117.9U CN201721474117U CN208333367U CN 208333367 U CN208333367 U CN 208333367U CN 201721474117 U CN201721474117 U CN 201721474117U CN 208333367 U CN208333367 U CN 208333367U
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- country rock
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- radio positioner
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Abstract
The utility model discloses a kind of country rock excavation deformation overall processes to monitor system, belongs to geotechnical engineering monitoring field.System mainly includes detection system and radio positioner two parts, detection system emits signal to the radio positioner for being embedded in different location in country rock, and the feedback signal of radio positioner reflection is received and calculated, determine the spatial position coordinate of each radio positioner.When use, radio positioner is mounted on designated position inside country rock by drilling before tunnel excavation, and it is fixed with Anchor Agent, then by excavating front and back repeatedly monitoring data comparison, the space coordinate variation for calculating radio positioner, to obtain the space displacement of radio positioner position country rock.The utility model is measured using wireless mode, can lay monitoring point inside country rock in advance, can obtain the data for excavating front and back overall process internal displacement for surrounding rock.
Description
Technical field
The present invention relates to geotechnical engineerings to monitor field, and specifically a kind of country rock excavation deformation overall process monitors system.
Background technique
With the development of China's economic society, tunnel, subway, underground mine, water power chamber etc. build it is more and more, more
Engineering be in geological conditions complicated and changeable, the excavation faced therewith, support issues are also more and more prominent, for example soft rock is big
The problems such as deformation, Stability Analysis of The Surrounding Rock and secondary supporting opportunity select.The surface of accurate measurement country rock and internal displacement, hold
Surrouding rock deformation rule, is the important evidence for carrying out design of its support, extremely important for engineering safety.
In view of the above-mentioned problems, existing common processing method is to monitor internal displacement for surrounding rock, such as Shen using multipoint displacement meter
Number a kind of coal mine roadway country rock deep multipoint displacement meter please be disclosed for 201610986473.2 patent of invention.But multiple spot
Displacement meter comes with some shortcomings in use, and that more concentrates is embodied in following three points.(1) flexible deformation of country rock is being opened
Instantaneous completion is dug, and multipoint displacement meter is buried after the completion of excavation, and the surrouding rock deformation data after the completion of excavating can only be measured, and
It cannot record and excavate instantaneous surrouding rock deformation displacement；There are development blasting, whitewashing, the paving processes such as metal mesh in many engineerings,
Since conventional multipoint displacement meter needs to install external observation mechanism, and the mechanism should avoid destroying caused by explosion and whitewashing,
The laying of metal mesh cannot be influenced again, so the installation of conventional multipoint displacement meter can only further lag behind excavation；Above-mentioned two side
Face determines that the data measured using conventional multipoint displacement meter lack Primary Stage Data, only excavates the portion for leading to surrouding rock deformation data
Divide all, for problem analysis, there are limitations.(2) as the above analysis, to use conventional multipoint displacement meter
Front of tunnel heading surrounding rock displacement caused by measurement is excavated then is even more and can not implement.(3) multipoint displacement meters can only measure one
The displacement in direction is difficult to obtain the geometric distortion data of country rock.
Summary of the invention
For the defects in the prior art and insufficient, the present invention provides a kind of monitorings of country rock excavation deformation overall process to be
System, the monitoring system and application method can accurately measure surrouding rock deformation displacement.To achieve the above object, the present invention is using such as
Lower technical solution:
Country rock excavation deformation overall process monitors system, it is characterised in that: including radio positioner and detection system.
The radio positioner is the cylindrical elements for being equipped with microcircuit, and with battery.
The microcircuit has single number, can make particular feedback to the wireless signal that detection system is launched,
Different radio locator is distinguished accordingly, and there is absolute identification.
The detection system includes: pedestal, signal projector, signal receiver, feeler arm, connection and host.
The pedestal is adjustable flat bed, for signal projector, feeler arm and signal receiver to be fixed on three feet
On frame and leveled.
The signal projector is mounted in pedestal, positioned at the point of intersection of three feeler arms, capable of emitting wireless signal.
The feeler arm is mounted on the base, scalable, fold, three feeler arms fully open after in pairwise orthogonal shape
State.
The signal receiver is fixed on feeler arm, is increased between three signal receivers by elongation feeler arm
Distance.Signal receiver can receive the signal of the specific frequency of radio positioner feedback, and the three groups of data received pass through logical
News line input host is handled.
The host has control, calculating and display function, can control signal projector and signal receiver, and utilize
Three-point fix principle carries out analytical calculation to the three groups of wireless signals received, is thus accurately positioned the three of each radio positioner
Coordinate is tieed up, and calculated result is presented over the display.Host matches charged, provides electric power for detection system.
The adjustable height of the tripod, guarantees in the measurement to same monitoring section radio positioner, pacifies every time
Detector coordinates and absolute altitude are consistent after the completion of dress.
The present invention solves the technical solution of its technical problem further include: a kind of application method, comprising the following steps:
Step (1): radio positioner quantity and position needed for being calculated according to detection requirement and tunnel excavation face size；
Step (2): it is drilled according to step (1) calculated result in designated position and radio positioner is installed, between difference drilling
Plane where after radio positioner is installed at same excavation face is parallel with excavation face；
Step (3): radio positioner blocks drilling with Anchor Agent after being installed；
Step (4): professional is chosen the fixed point for placing detection system by datum mark or control point, is guaranteed to same prison
Survey section radio positioner measurement in, be installed rear detector coordinates every time and absolute altitude be consistent, avoid due to
It is influenced caused by the factors such as construction, bottom distension；
Step (5): detection system is opened, obtains the initial coordinate of radio positioner first；Then tunnel excavation and after
In continuous work progress, according to detection requirement, every driving certain distance acquires the coordinate of a radio positioner, to be calculated
The displacement of each radio positioner position country rock.
The beneficial effects of the present invention are:
1. monitoring system is installed before excavation, can forward probe surrouding rock deformation, to excavating and operation overall process is supervised
It surveys；
2. the available surrounding rock displacement of each locator is three-dimensional；
3. radio positioner can make particular feedback to the wireless signal received, there is absolute identification；
4. monitoring system, which can be not only used for construction site, can be used for laboratory again.
Detailed description of the invention
It, below will be to the present invention or the prior art in order to illustrate more clearly of the present invention or technical solution in the prior art
Attached drawing needed in description is introduced.
Fig. 1 is the longitudinal profile that the present invention installs and uses in tunnel；
Fig. 2 is the cross-sectional view that the present invention installs and uses in tunnel；
Fig. 3 is A point detail drawing in Fig. 1；
Fig. 4 is that country rock excavation deformation overall process monitors system three-dimensional localization schematic diagram.
In figure: 1- radio positioner, 2- pedestal, 3- feeler arm, 4- signal projector, 5- signal receiver, 6- connection,
7- host, 8- tripod, 9- drilling, 10- Anchor Agent, 11- excavation face, 12- country rock.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings of the specification.
As shown in Figure 1, country rock excavation deformation overall process monitors system, it is characterised in that: including radio positioner 1 and detection
System.
The radio positioner 1 is the cylindrical elements for being equipped with microcircuit, and with battery.
The microcircuit has single number, can make particular feedback to the wireless signal that detection system is launched,
Different radio locator 1 is distinguished accordingly, and there is absolute identification.
The detection system includes: pedestal 2, signal projector 4, signal receiver 5, feeler arm 3, connection 6 and master
Machine 7.
The pedestal 2 is adjustable flat bed, for signal projector 4, feeler arm 3 and signal receiver 5 to be fixed on
On tripod 8 and leveled.
The signal projector 4 is mounted in pedestal 2, positioned at the point of intersection of three feeler arms 3, capable of emitting wireless communication
Number.
The feeler arm 3 is mounted on pedestal 2, scalable, fold, three feeler arms 3 fully open after in two-by-two just
Friendship state.
The signal receiver 5 is fixed on feeler arm 3, by elongation feeler arm 3 increase three signal receivers 5 it
Between distance.Signal receiver 5 can receive the signal of the specific frequency of the feedback of radio positioner 1, the three groups of data received
Host 7 is inputted by connection 6 to be handled.
The host 7 has control, calculating and display function, can control signal projector 4 and signal receiver 5, and
Analytical calculation is carried out to the three groups of wireless signals received using three-point fix principle, is thus accurately positioned each radio positioner
1 three-dimensional coordinate, and calculated result is presented over the display.Host 7 matches charged, provides electric power for detection system.
The adjustable height of the tripod 8, guarantees in the measurement to same monitoring section radio positioner 1, every time
The coordinate and absolute altitude for being installed rear base 2 are consistent.
Application method of the invention, comprising the following steps:
Step (1): 1 quantity of radio positioner and position needed for being calculated according to detection requirement and 11 size of tunnel excavation face；
Step (2): it is drilled according to step (1) calculated result in designated position and radio positioner 1, difference drilling 9 is installed
Between plane where after radio positioner 1 is installed at same excavation face 11 it is parallel with excavation face 11；
Step (3): radio positioner 1 is blocked after being installed with 10 pairs of Anchor Agent drillings 9；
Step (4): professional is chosen the fixed point for placing detection system by datum mark or control point, is guaranteed to same prison
It surveys in the measurement of section radio positioner 1, is installed rear 2 coordinate of detection system pedestal every time and absolute altitude is consistent,
Avoid the influence as caused by the factors such as construction, bottom distension；
Step (5): detection system is opened, obtains the initial coordinate of radio positioner 1 first；Then tunnel excavation and after
In continuous work progress, according to detection requirement, every driving certain distance acquires the coordinate of a radio positioner 1, to calculate
To the displacement of each 1 position country rock of radio positioner.
Claims (6)
1. country rock excavation deformation overall process monitors system, it is characterised in that: including radio positioner and detection system, the nothing
Line locator is the cylindrical elements for being equipped with microcircuit, and with battery is had, each microcircuit has single number, can
Particular feedback is made to the wireless signal that detection system is launched, distinguishes different radio locator accordingly, there is absolute identification；
The detection system includes: pedestal, signal projector, signal receiver, feeler arm, connection and host.
2. country rock excavation deformation overall process according to claim 1 monitors system, it is characterized in that pedestal levelling, being used for will
Signal projector, feeler arm and signal receiver are fixed on tripod and are leveled.
3. country rock excavation deformation overall process according to claim 1 monitors system, it is characterized in that signal projector is mounted on
In pedestal, positioned at the point of intersection of three feeler arms, capable of emitting wireless signal.
4. country rock excavation deformation overall process according to claim 1 monitors system, it is characterized in that feeler arm is mounted on pedestal
On, it is scalable, fold, three feeler arms fully open after in pairwise orthogonal state.
5. country rock excavation deformation overall process according to claim 1 monitors system, it is characterized in that signal receiver is fixed on
On feeler arm, the distance between three signal receivers are increased by elongation feeler arm, signal receiver can receive wireless location
The signal of the specific frequency of device feedback, the three groups of data received input host by connection and are handled.
6. country rock excavation deformation overall process according to claim 1 monitors system, it is characterized in that host has control, calculates
And display function, it can control signal projector and signal receiver, and wireless to three groups received using three-point fix principle
Signal carries out analytical calculation, is thus accurately positioned the three-dimensional coordinate of each radio positioner, and calculated result is presented on display
On device, host matches charged, provides electric power for detection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474117.9U CN208333367U (en) | 2017-11-08 | 2017-11-08 | Country rock excavation deformation overall process monitors system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474117.9U CN208333367U (en) | 2017-11-08 | 2017-11-08 | Country rock excavation deformation overall process monitors system |
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| Publication Number | Publication Date |
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| CN208333367U true CN208333367U (en) | 2019-01-04 |
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ID=64787785
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702638A (en) * | 2017-11-08 | 2018-02-16 | 山东科技大学 | Country rock excavation deformation overall process monitoring system and application method |
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2017
- 2017-11-08 CN CN201721474117.9U patent/CN208333367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702638A (en) * | 2017-11-08 | 2018-02-16 | 山东科技大学 | Country rock excavation deformation overall process monitoring system and application method |
| CN107702638B (en) * | 2017-11-08 | 2024-05-07 | 山东科技大学 | Surrounding rock excavation deformation overall process monitoring system and application method |
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