CN220081469U - Pretightening force screw anchor rod capable of monitoring humidity and stress - Google Patents
Pretightening force screw anchor rod capable of monitoring humidity and stress Download PDFInfo
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- CN220081469U CN220081469U CN202223236785.1U CN202223236785U CN220081469U CN 220081469 U CN220081469 U CN 220081469U CN 202223236785 U CN202223236785 U CN 202223236785U CN 220081469 U CN220081469 U CN 220081469U
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- anchor rod
- stress
- humidity
- screw anchor
- cable
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 230000002159 abnormal effect Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000011435 rock Substances 0.000 abstract description 9
- 238000005065 mining Methods 0.000 abstract description 6
- 238000004873 anchoring Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 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 discloses a pretightening force threaded anchor rod capable of monitoring humidity and stress, which belongs to an anchor rod anchoring device used for monitoring the stress state and the humidity of surrounding rock of a roadway in a stope in the field of mining, and comprises a threaded anchor rod, wherein threads are arranged on the threaded anchor rod, a humidity sensor and a stress sensor are connected to the top of the threaded anchor rod, a protection device is arranged outside the humidity sensor and the stress sensor, a hole groove for placing a cable is formed in the threaded anchor rod, a cable is connected to the bottom end of the threaded anchor rod, one end of the cable is connected with a data display and transmission device, the data display and transmission device is connected with an abnormal data warning device, the abnormal data warning device is connected with a power supply device, and a pretightening force structure is arranged on the threaded anchor rod. The pre-tightening force threaded anchor rod provided by the utility model has the advantages that the built-in humidity sensor can display the humidity condition on the control screen in real time, and early warning can be generated when the humidity condition and the stress change are large, so that the safety is improved, and the occurrence of engineering monitoring accidents is reduced.
Description
Technical Field
The utility model relates to an anchor rod anchoring device for monitoring the stress state and humidity of surrounding rock of a roadway in a stope in the field of mining, in particular to a threaded anchor rod capable of monitoring the humidity and the stress.
Background
The anchor rod is mainly applied to supporting engineering such as mining engineering and the like, and because geological conditions in different engineering differ greatly, the underground tunnel can be damaged to different degrees due to the influence of underground water and stress. Wherein changes in stress and humidity of the surrounding rock affect the stability to the support engineering. The engineering accident caused by the method can cause huge loss.
The anchor rod applied to the supporting engineering at present cannot realize synchronous detection of strain and humidity, and cannot perform real-time early warning on a surrounding rock humidity abnormal area. Therefore, the novel threaded anchor rod capable of simultaneously monitoring humidity and stress changes is designed, the support of mining engineering and related engineering is realized, multiple real-time early warning of surrounding rock humidity and stress can be completed, the novel threaded anchor rod has good adaptability, and the novel threaded anchor rod has important practical significance in support engineering production.
Disclosure of Invention
The utility model aims to provide a novel supporting anchor rod capable of simultaneously monitoring humidity and stress, a built-in humidity sensor of the novel supporting anchor rod can display humidity on a control screen in real time, and early warning can be generated when humidity conditions and stress change greatly, so that the safety is improved, and engineering monitoring accidents are reduced.
The novel anchor rod comprises a threaded anchor rod, a humidity sensor, a stress sensor, a cable, a pretightening force structure, a data display and sending device and an abnormal data warning device, wherein the detachable stress sensor and the humidity sensor are arranged at the front section of the anchor rod, the cable is arranged inside the anchor rod and connected with the humidity sensor and the stress sensor, the other end of the cable is connected with the data display and sending device, and the pretightening force structure is connected with the threaded anchor rod by means of a nut.
The sensor system is added on the basis of a common supporting anchor rod, the humidity and strain sensors transmit measured data to the outside through the cable for display, and the sensor system is arranged, so that the stress data in the surrounding rock structure is measured, and meanwhile, the humidity data at the time is measured, and after the two data are transmitted to the technical staff, the technical staff provide measures according to different humidity and stress changes, thereby improving the safety guarantee of underground staff of mining engineering.
The utility model has the beneficial effects that the common anchor rod is skillfully combined with the humidity stress monitoring system, so that the common anchor rod has a humidity monitoring function, the complicated work of common stress monitoring and humidity monitoring equipment installation is avoided, the cost is reduced, and the manpower is saved.
The humidity sensor is added on the basis of the common anchor rod, so that the monitoring efficiency is improved, the monitoring reliability is improved, and engineering accidents caused by humidity influence are avoided.
The utility model has scientific and reasonable structure, convenient installation, wide measurement range, real-time early warning and strong adaptability, and can be used for mining engineering and similar supporting scenes.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the utility model at A in FIG. 1;
FIG. 3 is a schematic view of the bottom structure of the present utility model
In the figure: 1. a threaded anchor rod; 2. a thread; 3. a humidity sensor; 4. a stress sensor; 5. a protection device; 6. a hole groove for placing the cable; 7. a cable; 8. a data display and transmission device; 9. an abnormal data warning device; 10. a power supply device; 11. a pre-tightening force structure.
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 and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, in this embodiment, a novel supporting anchor rod capable of simultaneously monitoring humidity and stress is provided, which comprises a threaded anchor rod 1, wherein the threaded anchor rod 1 is provided with threads 2 on the outer layer of a cylindrical rod shape, the upper end surface of the threaded anchor rod 1 is connected with a data output device 2, when in operation, a humidity sensor 3 and a stress sensor 4 at the top of the threaded anchor rod 1 are provided with a protection device 5 outside the humidity sensor 3 and the stress sensor 4, and the protection device 5 can protect the sensor in the process of driving the anchor rod into surrounding rock; the bottom of screw stock 1 is connected with cable 7, the inside of screw stock 1 is provided with the hole groove 6 of placing the cable, and hole groove 6 is used for placing cable 7, screw stock 1 bottom is connected with data display and transmitting device 8, cable 7 one end is connected with data display and transmitting device 8, the cable 7 other end is connected with humidity transducer 3 and stress sensor 4, and data display and transmitting device 8 is connected with unusual data warning device 9, and unusual data warning device 9 is connected with power supply unit 10 and is humidity transducer 3, stress sensor 4, data display and transmitting device 8, unusual data warning device 9 power supply, there is pretightning force structure 11 on the screw stock 1, pretightning force structure 11 upper portion is the circular cone dress, and the lower part is the ring.
The threaded anchor rod 1 is connected with the pretightening force structure 11 through threads, the inner end head of the anchor rod is anchored to a rock body through a resin anchoring agent in the implementation process, and the outer end of the anchor rod can provide pretightening force for surrounding rocks in the middle of the anchor rod through the pretightening force structure 11.
The humidity sensor 3 and the stress sensor 4 are connected with the data display and transmission device 8 through cables, the data display and transmission device 8 can display data change in real time, the data display and transmission device 8 is connected with the abnormal data warning device 9, the abnormal data warning device 9 gives an alarm when the data change abnormally, the data display and transmission device 8 can transmit abnormal information to ground staff, and effective measures are taken.
The foregoing description is only of a preferred embodiment of the utility model and is not intended to limit the scope of the utility model. In addition to the embodiments described above, other embodiments of the utility model are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the utility model. The technical features of the present utility model that are not described may be implemented by or using the prior art, and are not described herein.
Claims (4)
1. The utility model provides a pretightening force screw anchor capable of monitoring humidity and stress, includes screw anchor (1), its characterized in that screw anchor (1) is equipped with screw thread (2), the top of screw anchor (1) is connected with humidity transducer (3) and stress sensor (4), and humidity transducer (3) and stress sensor (4) outside have protection device (5), screw anchor (1) inside has hole groove (6) of placing the cable, the bottom of screw anchor (1) is connected with cable (7), cable (7) one end is connected with data display and transmitting device (8), and data display and transmitting device (8) are connected with unusual data warning device (9), and unusual data warning device (9) are connected with power supply unit (10), have pretightening force structure (11) on screw anchor (1).
2. The pretightening force screw anchor rod capable of monitoring humidity and stress according to claim 1, wherein the screw anchor rod (1) is connected with a humidity sensor (3) and a stress sensor (4) through threads (2), and a hole groove (6) for placing a cable is formed in the screw anchor rod (1) and can be used for placing a cable (7) and transmitting data information.
3. A pretensioned threaded bolt for monitoring moisture and stress according to claim 1, wherein: the bottom end of the threaded anchor rod (1) is connected with a data display and transmission device (8), and the data display and transmission device (8) is connected with an abnormal data warning device (9).
4. A pretensioned threaded bolt for monitoring moisture and stress according to claim 1, wherein: the screw anchor rod (1) is connected with the pre-tightening structure (11) by virtue of threads (2), the upper part of the pre-tightening structure (11) is a conical package, and the lower part of the pre-tightening structure is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223236785.1U CN220081469U (en) | 2022-12-05 | 2022-12-05 | Pretightening force screw anchor rod capable of monitoring humidity and stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223236785.1U CN220081469U (en) | 2022-12-05 | 2022-12-05 | Pretightening force screw anchor rod capable of monitoring humidity and stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081469U true CN220081469U (en) | 2023-11-24 |
Family
ID=88819109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223236785.1U Active CN220081469U (en) | 2022-12-05 | 2022-12-05 | Pretightening force screw anchor rod capable of monitoring humidity and stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081469U (en) |
-
2022
- 2022-12-05 CN CN202223236785.1U patent/CN220081469U/en active Active
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