CN203113307U - Large-grotto constricting monitoring reflecting device - Google Patents
Large-grotto constricting monitoring reflecting device Download PDFInfo
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- CN203113307U CN203113307U CN 201320121753 CN201320121753U CN203113307U CN 203113307 U CN203113307 U CN 203113307U CN 201320121753 CN201320121753 CN 201320121753 CN 201320121753 U CN201320121753 U CN 201320121753U CN 203113307 U CN203113307 U CN 203113307U
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- pressing plate
- plate
- hole
- monitoring
- reflector plate
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Abstract
A large-grotto constricting monitoring reflecting device comprises a pressing plate. The pressing plate is of a square shape and of a structure with a hole formed in the center. A reflecting sheet is adhered to the front face of the pressing plate. A nail penetrates through a hole in the front face of the pressing plate. According to the structure, the constricting and monitoring mission of a large grotto can be well achieved on the basis of the simplification of the structure.
Description
Technical field
The utility model relates to a kind of monitoring device, is specifically related to a kind of big cavern's convergence monitoring reflection unit.
Background technology
Large-scale cavern such as Diversion Tunnel, underground power house in order to grasp the distortion situation of country rock, for the safe construction of engineering is given security, need carry out country rock convergence monitoring, to grasp the convergence situation of cavern excavation different phase country rock in the process of excavation construction.Because the excavation construction of large-scale cavern generally branch multilayer carries out, in the middle lower floor work progress, there is the following hidden danger in the monitoring sign on upper strata: 1, the people is not easy to arrive this position; 2, the damage of lower floor's excavation construction borehole blasting during the monitoring sign is subjected to easily; 3, because the influence of dust, smog etc. in the hole is not easy to find the monitoring sign.
There is the cost height in existing big cavern's convergence monitoring reflection unit, is subject to damage and the unconspicuous problem of monitoring sign.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned the deficiencies in the prior art, and a kind of big cavern's convergence monitoring reflection unit that provides, it can solve existing big cavern's convergence monitoring reflection unit and has the cost height, is subject to damage and detects the unconspicuous problem of sign.
The purpose of this utility model is achieved in that
A kind of big cavern's convergence monitoring reflection unit, it comprises pressing plate, and pressing plate is the square and central structure that is provided with the hole, and reflector plate is posted in the pressing plate front, and nail passes from the hole in pressing plate front.
The above-mentioned hole that centers on is provided with warning mark at reflector plate.
Above-mentioned pressing plate is iron plate.
Above-mentioned reflector plate is that 60mm * 60mm self-adhesive type is measured reflector plate, and the back of reflector plate has adhesive sticker, directly pastes on the pressing plate to get final product.
The utility model has been obtained following technique effect:
When adopting said structure, the utility model can well be finished the convergence monitoring task of big cavern on the basis of simplified structure;
Employing centers on the hole can give prominence to the monitoring sign in the structure that reflector plate is provided with warning mark, effectively reminds the engineering construction personnel;
Pressing plate is iron plate, can reduce the cost of manufacture of this device;
The reflector plate that adopts is that 60mm * 60mm self-adhesive type is measured reflector plate, the back of reflector plate has adhesive sticker, directly paste on the pressing plate and get final product, because the self-adhesive type reflector plate also has the diffuse reflection function simultaneously, in the working environment a little less than light such as night or underground construction, as long as toward target direction one photograph, will find very bright bright spot with torch, so can reach effective caution constructor's purpose.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is lateral view of the present utility model;
Fig. 2 is vertical view of the present utility model;
Fig. 3 is upward view of the present utility model.
The specific embodiment
Reflection unit is monitored in a kind of big cavern convergence as Figure 1-3, and it comprises pressing plate 1, and pressing plate 1 is the square and central structure that is provided with hole 2, and reflector plate is posted in pressing plate 1 front, and nail 3 passes from the hole in pressing plate front.
The described hole 2 that centers on is provided with warning mark 4 at reflector plate.
Described pressing plate 1 is iron plate and reflector plate.
Described reflector plate is that 60mm * 60mm self-adhesive type is measured reflector plate, and the back of reflector plate has adhesive sticker, directly pastes on the pressing plate to get final product.
Nail is the cement steel nail of long 150mm, 4mm preferably;
Iron plate or the steel plate of the preferred 60mm * 60mm of pressing plate and thick 2mm, bore an aperture in the middle of the pressing plate, the aperture of the aperture nail diameter longer than 150mm is smaller, paste 60 mm * 60 mm reflector plates at clamp surface, the reflector plate center is coaxial with the aperture center, nail was pricked the pressing plate aperture that posts reflector plate one side and wore to afterbody, nail and pressing plate were fixed together.
When adopting said structure, this monitoring sign is embedded in the position that need restrain survey, on the wall of the hole at this position, perpendicular to hole wall, electricity consumption hammer drill dark about 160mm, an aperture, be the hole of 16mm earlier when burying underground, closely knit with cement mortar or anchoring agent filling, and it is the about 80mm scope of hole diameter inner surface is floating, the nail of monitoring sign is inserted in the hole, until pressing plate and floating after the hole wall surface stick together fully.
Claims (4)
1. reflection unit is monitored in one kind big cavern's convergence, and it is characterized in that: it comprises pressing plate (1), and pressing plate (1) is the square and central structure that is provided with hole (2), and reflector plate is posted in pressing plate (1) front, and nail (3) passes from the hole in pressing plate front.
2. big cavern's convergence monitoring reflection unit according to claim 1 is characterized in that: be provided with warning mark (4) around hole (2) at reflector plate.
3. reflection unit is monitored in big cavern convergence according to claim 1, and it is characterized in that: described pressing plate (1) is iron plate.
4. reflection unit is monitored in big cavern convergence according to claim 1, it is characterized in that: reflector plate is that 60mm * 60mm self-adhesive type is measured reflector plate, and the back of reflector plate has adhesive sticker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121753 CN203113307U (en) | 2013-03-18 | 2013-03-18 | Large-grotto constricting monitoring reflecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121753 CN203113307U (en) | 2013-03-18 | 2013-03-18 | Large-grotto constricting monitoring reflecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203113307U true CN203113307U (en) | 2013-08-07 |
Family
ID=48893670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121753 Expired - Fee Related CN203113307U (en) | 2013-03-18 | 2013-03-18 | Large-grotto constricting monitoring reflecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203113307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358264A (en) * | 2014-11-13 | 2015-02-18 | 中国电建集团铁路建设有限公司 | Device for measuring tilting and deformation of foundation pit enclosure structure |
-
2013
- 2013-03-18 CN CN 201320121753 patent/CN203113307U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358264A (en) * | 2014-11-13 | 2015-02-18 | 中国电建集团铁路建设有限公司 | Device for measuring tilting and deformation of foundation pit enclosure structure |
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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: 20130807 Termination date: 20190318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |