CN220322353U - Earth surface subsidence optical fiber measuring device for tunnel construction - Google Patents
Earth surface subsidence optical fiber measuring device for tunnel construction Download PDFInfo
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- CN220322353U CN220322353U CN202321589450.XU CN202321589450U CN220322353U CN 220322353 U CN220322353 U CN 220322353U CN 202321589450 U CN202321589450 U CN 202321589450U CN 220322353 U CN220322353 U CN 220322353U
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- optical fiber
- optical cable
- tunnel construction
- subsidence
- optical
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an earth surface subsidence optical fiber measuring device for tunnel construction, and mainly relates to the technical field of earth surface subsidence monitoring equipment. The utility model provides a tunnel construction is with earth's surface subsidence fiber measurement device, includes optical cable and the fiber analyzer who is connected with the optical cable, the outside cover of optical cable is equipped with several rectangular frame, be equipped with the stop gear that can fix the optical cable in the rectangular frame. The utility model has the beneficial effects that: when the device is used, the optical cable is buried under the ground, the running state of the optical fiber can be monitored in real time through the optical fiber analyzer, the use condition of the optical fiber is judged according to the principle that the optical fiber can influence the refraction of the optical fiber when the optical fiber is bent, so that when the ground surface is sunk, the optical fiber analyzer can timely monitor the change of the optical fiber, thereby helping users to find the ground surface subsidence, and the device is simple in structure and convenient to use.
Description
Technical Field
The utility model mainly relates to the technical field of earth surface subsidence monitoring equipment, in particular to an earth surface subsidence optical fiber measuring device for tunnel construction.
Background
The surface subsidence is the engineering subject of pit detection, and refers to the phenomenon of surface subsidence caused by reasons such as extrusion of surrounding rocks on an excavation surface caused by excavation, relaxation of the surrounding rocks caused by collapse, consolidation of the surrounding rocks and supports after excavation, and subsidence of the supports in the weak surrounding rocks caused by the falling of underground water level in the gaps between the surrounding rocks and the lining.
Monitoring of earth surface subsidence is particularly important in the tunnel engineering construction process, in the prior art, the subsidence condition of the earth surface is usually detected according to an instrument used manually, detection is carried out through geological radar, seismic wave method, CT and the like, comparison depends on experience of detection personnel, and once fine subsidence can not be observed by naked eyes, accidents such as subsidence are possibly caused, and maintenance can not be carried out in advance according to underground subsidence conditions.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a surface subsidence optical fiber measuring device for tunnel construction, which is realized by the following technical scheme:
the utility model provides a tunnel construction is with earth's surface subsidence fiber measurement device, includes optical cable and the fiber analyzer who is connected with the optical cable, the outside cover of optical cable is equipped with several rectangular frame, be equipped with the stop gear that can fix the optical cable in the rectangular frame.
Preferably, the limiting mechanism comprises a threaded sleeve, the top surface and the bottom surface of the inner wall of the rectangular frame are respectively and rotatably provided with the threaded sleeve through bearings, threaded screws are respectively and fixedly arranged in the threaded sleeve, U-shaped frames are respectively and fixedly arranged at the outer ends of the threaded screws, openings of the two U-shaped frames are oppositely arranged, U-shaped grooved wheels are respectively and rotatably arranged in the U-shaped frames, and the optical cable passes through a gap between the two U-shaped grooved wheels.
Preferably, the front and the back of the rectangular frame are respectively provided with a sliding groove, the front and the back of the U-shaped frame are respectively fixedly provided with a sliding block, and the sliding blocks are respectively positioned in the corresponding sliding grooves and are in sliding fit with the corresponding sliding grooves.
Preferably, the bottom surface of the rectangular frame is respectively fixedly provided with a connecting plate, and four corners of the top surface of the connecting plate are respectively provided with mounting holes.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the device is used, the optical cable is buried under the ground, the running state of the optical fiber can be monitored in real time through the optical fiber analyzer, the use condition of the optical fiber is judged according to the principle that the optical fiber can influence the refraction of the optical fiber when the optical fiber is bent, so that when the ground surface is sunk, the optical fiber analyzer can timely monitor the change of the optical fiber, thereby helping users to find the ground surface subsidence, and the device is simple in structure and convenient to use.
2. When the device is buried in the optical cable, the optical cable can be supported and fixed through the rectangular frame and the limiting mechanism, and bending caused by loosening of the optical cable in the burying process can be avoided, so that the smooth state of the optical cable in the burying process is ensured, and the reliability of the device can be improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
fig. 3 is an enlarged view of part of i of fig. 1.
The reference numbers shown in the drawings: 1. an optical cable; 2. a rectangular frame; 3. a screw sleeve; 4. a screw; 5. a U-shaped frame; 6. u-shaped grooved wheels; 7. a chute; 8. a slide block; 9. a connecting plate; 10. and (5) mounting holes.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
Examples: earth surface subsidence optical fiber measuring device for tunnel construction
As shown in fig. 1-3, a device for measuring surface subsidence fiber for tunnel construction specifically comprises:
the optical cable 1 and the optical fiber analyzer that is connected with the optical cable 1, the outside cover of optical cable 1 is equipped with several rectangle frame 2, be equipped with the stop gear that can fix optical cable 1 in the rectangle frame 2.
Further, the limiting mechanism comprises a threaded sleeve 3, the top surface and the bottom surface of the inner wall of the rectangular frame 2 are respectively and rotatably provided with the threaded sleeve 3 through bearings, threaded screws 4 are respectively and threadedly mounted in the threaded sleeve 3, U-shaped frames 5 are respectively and fixedly mounted at the outer ends of the threaded screws 4, openings of the two U-shaped frames 5 are oppositely arranged, U-shaped grooved wheels 6 are respectively and rotatably mounted in the U-shaped frames 5, and the optical cable 1 penetrates through a gap between the two U-shaped grooved wheels 6. When the device is used, the screw rod 4 in threaded fit with the threaded sleeve 3 can vertically move along the central axis thereof through rotating the threaded sleeve 3, so that the extending length of the screw rod 4 in the corresponding threaded sleeve 3 is adjusted, the position of the U-shaped groove wheel 6 is moved, a user can conveniently adjust the position of the U-shaped groove wheel 6, the concave part of the U-shaped groove wheel 6 can be in contact with the outer part of the optical cable 1, the limit of the optical cable 1 is realized under the mutual fit of the two corresponding U-shaped groove wheels 6, the optical cable 1 is prevented from being capable of being tensioned and straightened when being laid, the optical cable 1 can be further fixed with the optical cable 1 and the corresponding rectangular frame 2 through ropes or binding wires after being laid, and the optical cable 1 is prevented from loosening.
Further, the front and the rear of the rectangular frame 2 are respectively provided with a sliding groove 7, the front and the rear of the U-shaped frame 5 are respectively fixedly provided with a sliding block 8, and the sliding blocks 8 are respectively positioned in the corresponding sliding grooves 7 and are in sliding fit with the sliding grooves 7. This structural design can further carry out spacingly to U type frame 5, avoids taking place to rock when dragging optical cable 1U type frame 5, leads to optical cable 1 pine to take off, improves the stability when U type frame 5 uses.
Furthermore, the bottom surface of the rectangular frame 2 is fixedly provided with connecting plates 9 respectively, and four corners of the top surface of each connecting plate 9 are provided with mounting holes 10 respectively. When the device is used, the connecting plate 9 can be arranged on a road surface to be constructed through bolts or ground nails, and when the device is used, the bolts or the ground nails are inserted into the ground after passing through the mounting holes 10, so that the installation of the connecting plate 9 can be completed, and the rectangular frame 2 can be stably erected on the road surface to be constructed.
In the explanation of the present utility model, it should be noted that the term "azimuth" is merely for convenience of description and understanding, and does not limit the installation position of specific technical features uniquely, but does not exclude other installation manners that can be implemented.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (4)
1. The utility model provides a tunnel construction is with earth's surface subsidence fiber measurement device, includes optical cable (1) and the optical fiber analyzer who is connected with optical cable (1), its characterized in that: the optical cable (1) is sleeved with a plurality of rectangular frames (2), and limiting mechanisms capable of fixing the optical cable (1) are arranged in the rectangular frames (2).
2. The optical fiber measuring device for subsidence of earth surface for tunnel construction according to claim 1, wherein: the limiting mechanism comprises screw sleeves (3), the top surface and the bottom surface of the inner wall of the rectangular frame (2) are respectively and rotatably provided with the screw sleeves (3) through bearings, screw rods (4) are respectively and fixedly arranged at the outer ends of the screw rods (4) respectively, U-shaped frames (5) are oppositely arranged at the openings of the U-shaped frames (5), U-shaped grooved wheels (6) are respectively and rotatably arranged in the U-shaped frames (5), and the optical cable (1) penetrates through gaps between the two U-shaped grooved wheels (6).
3. The optical fiber measuring device for subsidence of earth surface for tunnel construction according to claim 2, wherein: the front and the back of the rectangular frame (2) are respectively provided with a sliding groove (7), the front and the back of the U-shaped frame (5) are respectively fixedly provided with a sliding block (8), and the sliding blocks (8) are respectively positioned in the corresponding sliding grooves (7) and are in sliding fit with the sliding grooves.
4. The optical fiber measuring device for subsidence of earth surface for tunnel construction according to claim 1, wherein: the bottom surface of rectangular frame (2) is fixed mounting connecting plate (9) respectively, mounting hole (10) are seted up respectively in four corners of connecting plate (9) top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589450.XU CN220322353U (en) | 2023-06-20 | 2023-06-20 | Earth surface subsidence optical fiber measuring device for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589450.XU CN220322353U (en) | 2023-06-20 | 2023-06-20 | Earth surface subsidence optical fiber measuring device for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322353U true CN220322353U (en) | 2024-01-09 |
Family
ID=89417325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321589450.XU Active CN220322353U (en) | 2023-06-20 | 2023-06-20 | Earth surface subsidence optical fiber measuring device for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322353U (en) |
-
2023
- 2023-06-20 CN CN202321589450.XU patent/CN220322353U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 2699, Unit 1, Building 8, Shuntai Plaza, No. 2000 Shunhua Road, Jinan Area, China (Shandong) Pilot Free Trade Zone, Jinan City, Shandong Province, 250101 Patentee after: Shandong Dibo Information Technology Co.,Ltd. Patentee after: Shandong Weiyan High Speed Railway Co.,Ltd. Patentee after: LASER INSTITUTE,SHANDONG ACADEMY OF SCIENCES Address before: No. 2699, Unit 1, Building 8, Shuntai Plaza, No. 2000 Shunhua Road, Jinan Area, China (Shandong) Pilot Free Trade Zone, Jinan City, Shandong Province, 250101 Patentee before: SHANDONG DIBO ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: Shandong Weiyan High Speed Railway Co.,Ltd. Patentee before: LASER INSTITUTE,SHANDONG ACADEMY OF SCIENCES |
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| CP03 | Change of name, title or address |