CN205808308U - A kind of device of quick detection tunnel surrounding internal displacement - Google Patents
A kind of device of quick detection tunnel surrounding internal displacement Download PDFInfo
- Publication number
- CN205808308U CN205808308U CN201620730407.4U CN201620730407U CN205808308U CN 205808308 U CN205808308 U CN 205808308U CN 201620730407 U CN201620730407 U CN 201620730407U CN 205808308 U CN205808308 U CN 205808308U
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- displacement
- transmission lever
- internal
- quick detection
- tunnel surrounding
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Abstract
This utility model relates to the device of a kind of quick detection tunnel surrounding internal displacement, including the anchoring termination, inside being anchored at country rock at the bottom of hole, it is anchored in the fixing end of the external end head at country rock free face and displacement transmission lever, described displacement transmission lever one end is fixed on internal anchoring termination, its other end is through the fixing end of external end head and is provided with reading plotter, it is additionally provided with casing outside described displacement transmission lever, is additionally provided with displacement transmission lever in described casing and is centered about device.This utility model simple in construction, use flexible, cheap, representative section and position can be selected to bury underground according to Tunnel Engineering on-site actual situations.Measured by this single-point displacement, can quickly determine the surrounding rock displacement relation with change in depth, then judge plastic zone and the scope of elastic region of country rock after excavation, in order to determine rational rock-bolt length, it is ensured that the stability of tunnel surrounding.
Description
Technical field
This utility model relates to a kind of tunnel monitoring measurement device, is specifically related to position in a kind of quickly detection tunnel surrounding
The device moved.
Background technology
Owing to the excavation of underground chamber or Tunnel Engineering causes the STRESS VARIATION of country rock and corresponding deformation, away from free face not
It is different with depth.Internal displacement for surrounding rock measures, i.e. observation relative displacement between country rock surface, internal each measuring point
Value, its energy stress of reflected well country rock, the disturbance of rock mass and loose zone.Measured by this displacement, can be true
Determine the surrounding rock displacement relation with change in depth, it can be determined that the lax district of country rock, intensity decline district and elastic region after excavation
Scope, it can be determined that rock-bolt length is the most suitable, in order to determine rational rock-bolt length.
The internal displacement for surrounding rock score that industry is used at present is electric measuring type and mechanical type two kinds, electric measuring type displacement meter testing
Convenient, operation safety, strong adaptability, highly sensitive, but relatively big by external interference, reading easily by the combined influence of many factors,
Less stable, buries difficulty and costly underground.And other type of mechanical type internal displacement meter, internal anchored end mostly is wedging method
Formula, swollen shell-type, brace type etc., the shortcoming such as complex process, cost are high, sensitive for damages.
Utility model content
In view of this, the purpose of this utility model is to provide the device of a kind of quick detection tunnel surrounding internal displacement,
The drawbacks described above of prior art can be overcome.
For reaching above-mentioned purpose, this utility model following technical scheme of offer:
The device of a kind of quick detection tunnel surrounding internal displacement, including the inside anchored end being anchored at country rock at the bottom of hole
Head, being anchored in the fixing end of the external end head at country rock free face and displacement transmission lever, described displacement transmission lever one end is fixed on inside
On anchoring termination, its other end is through the fixing end of external end head and is provided with reading plotter, is additionally provided with outside described displacement transmission lever
Casing, is additionally provided with displacement transmission lever and is centered about device in described casing.
Further, described casing does not contacts with anchoring termination, inside near one end of internal anchoring termination, and described casing leans on
One end of nearly reading plotter is through the fixing end of external end head.
Further, described displacement transmission lever is arranged at casing shaft core position by being centered about device.
Further, described internal anchored end is fixed on bottom eyelet at country rock by Anchor Agent or cement mortar.
Further, the one during described reading plotter is displacement transducer, dial gauge or amesdial.
The beneficial effects of the utility model are:
This utility model simple in construction, use flexible, cheap, can according to Tunnel Engineering on-site actual situations select generation
Table section and position are buried underground.Measured by this single-point displacement, can quickly determine the surrounding rock displacement relation with change in depth, continue
And judge the plastic zone of country rock and the scope of elastic region after excavation, in order to determine rational rock-bolt length, it is ensured that tunnel encloses
The stability of rock.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this practicality
Novel it is described in further detail, wherein:
Fig. 1 is structure diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As it can be seen, the device of a kind of quick detection tunnel surrounding internal displacement, interior including be anchored at country rock at the bottom of hole
Anchoring termination, portion 1, it is anchored in the fixing end 4 of the external end head at country rock free face and displacement transmission lever 2, described displacement transmission lever one end
Be fixed on internal anchoring termination, its other end is through the fixing end of external end head and is provided with reading plotter 6, described displacement transmission lever
It is additionally provided with outward casing 3, is additionally provided with displacement transmission lever in described casing and is centered about device 5.
In the present embodiment, internal anchored end 1 is anchored at country rock at the bottom of hole by accelerator or cement mortar, displacement transmission lever
2 are connected with internal anchored end 1, and described casing 3 is inserted in displacement transmission lever 2 but is not connected with aforementioned inner anchored end 1, described
Transmission lever is centered about device 5 and is fixed on external end head fixing end 4 inside, and the fixing end 4 of described external end head is anchored at country rock free face,
Described reading plotter 6 is portable dial gauge or amesdial.
Concrete, by displacement transmission lever 2 and internal anchoring termination 1 straight screw connection, casing 3 is inserted in outside transmission lever,
It is inserted in transmission lever successively to be centered about device 5 and be placed in inside casing, again fixing for external end head end 4 is inserted in transmission by measured hole
Bar 2, last casing 3 inserts the fixing end 4 of external end head and is internally formed entirety.
In use, holing first by pneumatic type rock drill or pneumatic pick, aperture is slightly larger than casing diameter；Afterwards at the bottom of hole
Insert powder stick formula Anchor Agent, the displacement meter assembled is squeezed into, make internal anchoring termination be tightly fastened by Anchor Agent with country rock；
Casing can not be closely connected with country rock, front and back twitches this casing and makes it be free to move axially；Casing outer end is fixed with external end head
End straight screw connection, and be fixed at the country rock of aperture by Anchor Agent.Through after a period of time, if country rock is sent out at internal anchored end
Give birth to displacement, then driven anchored end to be moved, thus the displacement transmission lever that band is dynamically connected moves, the outer head of displacement transmission lever
Relative position at external stability end will change, and this change in displacement is recorded at gaging hole by dial gauge, amesdial
?.
Finally illustrating, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, to the greatest extent
This utility model is described in detail by pipe by above preferred embodiment, but those skilled in the art should manage
Solve, in the form and details it can be made various change, without departing from this utility model claims institute
The scope limited.
Claims (5)
1. the device of a quick detection tunnel surrounding internal displacement, it is characterised in that: include being anchored at country rock at the bottom of hole is interior
Anchoring termination, portion, being anchored in the fixing end of the external end head at country rock free face and displacement transmission lever, described displacement transmission lever one end is solid
Be scheduled on internal anchoring termination, its other end is through the fixing end of external end head and is provided with reading plotter, outside described displacement transmission lever
It is additionally provided with casing, is additionally provided with displacement transmission lever in described casing and is centered about device.
The device of quick detection tunnel surrounding internal displacement the most according to claim 1, it is characterised in that: described casing leans on
One end of nearly internal anchoring termination does not contacts with anchoring termination, inside, and described casing passes external end head near one end of reading plotter
Fixing end.
The device of quick detection tunnel surrounding internal displacement the most according to claim 1, it is characterised in that: described displacement passes
Pass bar and be arranged at casing shaft core position by being centered about device.
The device of quick detection tunnel surrounding internal displacement the most according to claim 1, it is characterised in that: described internal anchor
Fixed end is fixed on bottom eyelet at country rock by Anchor Agent or cement mortar.
The device of quick detection tunnel surrounding internal displacement the most according to claim 1, it is characterised in that: described reading fills
It is set to the one in displacement transducer, dial gauge or amesdial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730407.4U CN205808308U (en) | 2016-07-13 | 2016-07-13 | A kind of device of quick detection tunnel surrounding internal displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730407.4U CN205808308U (en) | 2016-07-13 | 2016-07-13 | A kind of device of quick detection tunnel surrounding internal displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808308U true CN205808308U (en) | 2016-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730407.4U Expired - Fee Related CN205808308U (en) | 2016-07-13 | 2016-07-13 | A kind of device of quick detection tunnel surrounding internal displacement |
Country Status (1)
| Country | Link |
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| CN (1) | CN205808308U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426517A (en) * | 2018-03-23 | 2018-08-21 | 中国科学院武汉岩土力学研究所 | A kind of country rock radial displacement measuring device |
| CN108663013A (en) * | 2018-05-24 | 2018-10-16 | 上海应用技术大学 | Single point extensometer and tunnel excavation advance core deformation measurement method |
| CN110186350A (en) * | 2019-06-11 | 2019-08-30 | 中车大连机车车辆有限公司 | Diesel-electric set shaft system detects between two parties and shafting assemble method |
| CN110243268A (en) * | 2019-06-10 | 2019-09-17 | 中国二十冶集团有限公司 | Volume of concrete linear deformation tester and test method |
| CN113513973A (en) * | 2021-04-21 | 2021-10-19 | 中国铁路设计集团有限公司 | Tunnel deep surrounding rock loosening ring deformation monitoring method |
| CN115370417A (en) * | 2022-07-22 | 2022-11-22 | 北京交通大学 | Tunnel face extrusion deformation testing method and device |
-
2016
- 2016-07-13 CN CN201620730407.4U patent/CN205808308U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426517A (en) * | 2018-03-23 | 2018-08-21 | 中国科学院武汉岩土力学研究所 | A kind of country rock radial displacement measuring device |
| CN108663013A (en) * | 2018-05-24 | 2018-10-16 | 上海应用技术大学 | Single point extensometer and tunnel excavation advance core deformation measurement method |
| CN110243268A (en) * | 2019-06-10 | 2019-09-17 | 中国二十冶集团有限公司 | Volume of concrete linear deformation tester and test method |
| CN110243268B (en) * | 2019-06-10 | 2021-06-04 | 中国二十冶集团有限公司 | Concrete volume linear deformation tester and testing method |
| CN110186350A (en) * | 2019-06-11 | 2019-08-30 | 中车大连机车车辆有限公司 | Diesel-electric set shaft system detects between two parties and shafting assemble method |
| CN110186350B (en) * | 2019-06-11 | 2021-05-25 | 中车大连机车车辆有限公司 | Shafting centering detection and shafting assembly method for diesel generator set |
| CN113513973A (en) * | 2021-04-21 | 2021-10-19 | 中国铁路设计集团有限公司 | Tunnel deep surrounding rock loosening ring deformation monitoring method |
| CN115370417A (en) * | 2022-07-22 | 2022-11-22 | 北京交通大学 | Tunnel face extrusion deformation testing method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |