CN220170404U - Mixed colliery rock burst monitoring and early warning device - Google Patents
Mixed colliery rock burst monitoring and early warning device Download PDFInfo
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- CN220170404U CN220170404U CN202321135270.4U CN202321135270U CN220170404U CN 220170404 U CN220170404 U CN 220170404U CN 202321135270 U CN202321135270 U CN 202321135270U CN 220170404 U CN220170404 U CN 220170404U
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- 239000011435 rock Substances 0.000 title claims abstract description 72
- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 239000003245 coal Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013500 data storage 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
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model is suitable for the technical field of coal mining and prevention and control equipment, and provides a hybrid coal mine rock burst monitoring and early warning device, which comprises a shell, wherein the device comprises: the winding mechanism is arranged on the shell and used for winding the built-in electric wire; the stress monitoring mechanism is electrically connected with the built-in wire and is used for extending into the rock layer to monitor stress of the rock layer; and the cloud computing module is electrically connected with the stress monitoring mechanism and is used for receiving the stress information of the rock monitored by the stress monitoring mechanism, uploading the stress information of the rock to the cloud for computing, and obtaining the real-time change condition of the stress of the monitored rock. The stress information of the rock is transmitted back to the cloud computing module in real time through the stress monitoring mechanism, and meanwhile, data are collected and analyzed at different monitoring points through the plurality of stress monitoring mechanisms, so that the monitoring efficiency for rock stress change is improved.
Description
Technical Field
The utility model belongs to the technical field of coal mining and control equipment, and particularly relates to a hybrid coal mine rock burst monitoring and early warning device.
Background
The rock burst is the sudden release of energy accumulated in coal and rock mass around mines and stopes, explosive accidents occur in the roadways, the generated power throws the coal and rock mass towards the roadways, and meanwhile, strong sound is generated, so that the coal and rock mass vibrate and the coal and rock mass are damaged, the support and equipment are damaged, personnel casualties, partial roadway collapse damage and the like are caused, and the rock burst is one of the serious casualties and huge economic losses of coal mines in China. The current technology for monitoring and early warning of the rock burst of the coal mine mainly comprises methods such as a drilling cutting method, an electromagnetic radiation method, a coal body stress method, ground sound monitoring, microseismic monitoring and the like.
However, the existing device for detecting the stress of the rock mass has some defects, such as failure to detect the stress states of a plurality of rock masses at the same time.
Disclosure of Invention
The embodiment of the utility model aims to provide a hybrid coal mine rock burst monitoring and early warning device, and aims to solve the problem that the existing device for detecting the stress of a coal mine cannot detect the stress states of a plurality of rock masses at the same time.
The embodiment of the utility model is realized in such a way that the device for monitoring and early warning the rock burst of the hybrid coal mine comprises a shell, and the device comprises:
the winding mechanism is arranged on the shell and used for winding the built-in electric wire;
the stress monitoring mechanism is electrically connected with the built-in wire and is used for extending into the rock layer to monitor stress of the rock layer; and
and the cloud computing module is electrically connected with the stress monitoring mechanism and is used for receiving the stress information of the rock monitored by the stress monitoring mechanism, uploading the stress information of the rock to the cloud for computing, and obtaining the real-time change condition of the stress of the monitored rock.
Further, the winding mechanism includes:
the mounting bracket is detachably connected to the shell;
a winding reel rotatably connected to the mounting frame;
a thread groove fixedly connected to the circumferential surface of the winding reel;
the built-in wire is arranged in the winding reel in a penetrating way and is used for transmitting stress information of the rock acquired by the stress monitoring mechanism back to the cloud computing module; and
the first motor is used for driving the winding reel to rotate;
the first motor is arranged inside the shell, and the first motor is further provided with a switch key which is electrically connected with the first motor.
Still further, the outside of built-in electric wire still wraps up one deck protective sheath.
Still further, the stress monitoring mechanism includes:
a base electrically connected with the built-in wire; and
a drilling pressure gauge movably connected with the base through a telescopic piece;
the base is electrically connected with the infrared temperature sensor.
Still further, the cloud computing module includes:
a display screen with a built-in processor; and
an alarm electrically connected with the display screen;
the processor is used for receiving stress information of the rock transmitted by the drilling pressure gauge and temperature information transmitted by the infrared temperature sensor.
Still further, the lower extreme of casing still is provided with the athey wheel and is used for driving the pivoted second motor of athey wheel.
Still further, the below of casing still has the third motor through telescopic shaft swing joint, still fixedly connected with gyro wheel on the output of third motor.
According to the hybrid coal mine rock burst monitoring and early warning device provided by the embodiment of the utility model, firstly, the rock to be detected is perforated, the stress detection mechanism is placed in the hole, and the stress information of the rock to be monitored can be analyzed in a period of time by the stress information which is transmitted back to the cloud computing module through the stress detection mechanismThe obtained stress condition can be simultaneously acquired and analyzed by arranging a plurality of stress monitoring mechanisms, so that the monitoring efficiency for rock stress change is improved;based on the basic principle of the drilling cutting method, through a great amount of on-site monitoring data and theoretical research, the rock stratum transportation is revealed The relation between the dynamic and supporting pressure, the drilling cuttings quantity and the drilling stress is used for obtaining the absolute stress-phase of the drilling cuttings quantity under the typical coal seam condition The relation between the stress is obtained by monitoring the change rule and the sum of the relative stress field of the coal rock mass in front of the stope face in real time in a wireless manner Plasticizing rule of coal bed behind tunneling head-on is analyzed, range size, strength and change trend of stress field are analyzed, and rock burst danger is realized Risk area and degree of risk.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a hybrid coal mine rock burst monitoring and early warning device according to an embodiment of the present utility model;
fig. 2 is a sectional view of a protective sleeve in a hybrid coal mine rock burst monitoring and early warning device according to an embodiment of the present utility model;
fig. 3 is a schematic partial view of a crawler wheel and a roller in a hybrid coal mine rock burst monitoring and early warning device according to an embodiment of the present utility model.
In the accompanying drawings: 1. a display screen; 2. a protective sleeve; 3. an infrared temperature sensor; 4. a base; 5. a winding reel; 6. an alarm; 7. a housing; 8. track wheels; 9. a roller; 10. built-in wires; 11. a telescopic shaft; 12. drilling pressure gauge.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1, as an embodiment of the present utility model, a hybrid coal mine rock burst monitoring and early warning device includes a housing 7, where the device includes:
the winding mechanism is arranged on the shell 7 and is used for winding the built-in electric wire 10;
the stress monitoring mechanism is electrically connected with the built-in wire 10 and is used for extending into the rock layer to monitor the stress of the rock layer; and
the cloud computing module is electrically connected with the stress monitoring mechanism and is used for receiving the stress information of the rock monitored by the stress monitoring mechanism, uploading the stress information of the rock to the cloud for computing, and obtaining the real-time change condition of the stress of the monitored rock.
When the monitoring system is in actual use, firstly, holes are formed in the rock to be detected, the stress detection mechanism is placed in the holes, stress information of the rock to be detected of the cloud computing module is transmitted back to the stress detection mechanism in real time, the stress condition of the monitored rock in a period of time can be analyzed, data statistics on the rock in one place can be conveniently carried out, therefore, multiple groups of data can be analyzed, and in the embodiment, the data can be collected and analyzed simultaneously for different monitoring points through the arrangement of the multiple stress detection mechanisms, so that the monitoring efficiency for rock stress change is improved;the utility model is based on the basic principle of the drill cuttings method, through extensive on-site monitoring data and theoretical research, the rock stratum movement and supporting pressure, drilling cuttings quantity and drilling stress are revealed Is obtained as a function of the "cuttings content-stress" under typical coal seam conditions, cuttings content and grain size composition as pressure increases The change of the drilling cuttings quantity reflects the change of the stress in front of the coal wall, and the stress is large and the drilling cuttings quantity is large. Transition of coal body to ultimate stress In this state, the amount of cuttings is rapidly increased, and the amount of cuttings is referred to as the limit amount of cuttings or the dangerous amount of cuttings. By real-time wireless monitoring of recovery The change rule of the relative stress field of the coal rock mass in front of the working face and the plasticizing rule of the coal bed behind the tunneling head are analyzed, and the range of the stress field is analyzed The surrounding size, the strength and the variation trend thereof realize the rock burst dangerous area and the dangerous degree.
Referring to fig. 1 and 2, as a preferred embodiment of the present utility model, the winding mechanism includes:
a mounting frame detachably connected to the housing 7;
a take-up reel 5 rotatably connected to the mounting frame;
a thread groove fixedly connected to the circumferential surface of the winding reel 5;
the built-in wire 10 is arranged in the winding reel 5 in a penetrating way, and the built-in wire 10 is used for transmitting stress information of the rock acquired by the stress monitoring mechanism back to the cloud computing module; and
a first motor for driving the take-up reel 5 to rotate;
the first motor is installed inside the shell 7, and the first motor is further provided with a switch key, and the switch key is electrically connected with the first motor. The outside of the built-in wire 10 is also wrapped with a layer of protective sleeve 2.
When in actual use, the switch key is opened or closed, so that the first motor is driven to run or stop, when the first motor is opened, the output shaft of the first motor drives the winding reel 5 to rotate, the built-in electric wire 10 can be wound on the winding reel 5 one by one, it can be known that the winding reel 5 is further provided with a thread groove, the built-in electric wire 10 can be stably embedded in the thread groove, and therefore the built-in electric wire 10 can be orderly arranged on the winding reel 5, the ordering and the uniformity of the built-in electric wire 10 wound in the embodiment are improved, and the capability of preventing the protective sleeve 2 from being knotted during stretching or retracting is improved. Preferably, the protective cover 2 is provided to improve the protection capability of the present embodiment for the built-in wire 10.
Referring to fig. 1, as another preferred embodiment of the present utility model, the stress monitoring mechanism includes:
a base 4 electrically connected to the built-in wire 10; and
a borehole pressure gauge 12 movably connected with the base 4 through a telescopic piece;
the base 4 is electrically connected with the infrared temperature sensor 3. In the embodiment, the infrared temperature sensor 3 is arranged on the common drilling pressure gauge 12, and the infrared temperature sensor 3 is electrically connected with the cloud computing module, so that the equipment temperature and the coal rock temperature can be monitored while the stress data are monitored, an alarm signal is sent when the temperature reaches a certain value, and the safety of the design in use is improved; the telescoping member can move the borehole pressure gauge 12 to monitor a wider range of rock conditions.
The real-time acquisition of the change of the stress of the underground coal rock mass of the coal mine due to the mining influence by using the drilling pressure gauge 12 is a research
The stope dynamic pressure action rule and rock burst monitoring method are an important means for stope dynamic research. Analysis of stress by sensor monitoring data
The range size, the strength and the variation trend of the field can realize the real-time monitoring and early warning of the rock burst dangerous area and the dangerous degree
And (5) reporting.
Referring to fig. 1, as another preferred embodiment of the present utility model, a cloud computing module includes:
a display screen 1 with a built-in processor; and
an alarm 6 electrically connected with the display screen 1;
the processor is used to receive the stress information received by the rock transmitted by the borehole pressure gauge 12 and the temperature information transmitted by the infrared temperature sensor 3.
During actual use, the stress information of the rock transmitted by the drilling pressure gauge 12 can be timely received, all-weather monitoring processing is achieved, and the processor is internally provided with an oversized memory strip, so that the data storage time is long, and the capacity is large.
Referring to fig. 1 and 3, as another preferred embodiment of the present utility model, the lower end of the housing 7 is further provided with a track wheel 8 and a second motor for driving the track wheel 8 to rotate. The lower part of the shell 7 is also movably connected with a third motor through a telescopic shaft 11, and the output end of the third motor is also fixedly connected with a roller 9.
When in actual use, when the ground that whole device was driven is comparatively soft, can drive the athey wheel 8 this moment to drive whole device and walk, it is comparatively hard to prevent between athey wheel 8 and the ground in order to take place rigid contact, when leading to the surface of athey wheel 8 impaired, just can be through stretching out telescopic shaft 11 for telescopic shaft 11 drives the gyro wheel 9 that is provided with the tire and ground contact, thereby has improved the adaptability of whole device to different ground.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (3)
1. The utility model provides a hybrid colliery rock burst monitoring early warning device, includes casing (7), its characterized in that, the device includes:
the winding mechanism is arranged on the shell (7) and is used for winding the built-in wire (10);
the stress monitoring mechanism is electrically connected with the built-in wire (10) and is used for extending into the rock layer to monitor stress of the rock layer; and
the cloud computing module is electrically connected with the stress monitoring mechanism and is used for receiving the stress information of the rock monitored by the stress monitoring mechanism, uploading the stress information of the rock to the cloud for computing, and obtaining the real-time change condition of the stress of the monitored rock;
the winding mechanism comprises:
a mounting rack detachably connected to the housing (7);
a winding reel (5) rotatably connected to the mounting frame;
a thread groove fixedly connected to the circumferential surface of the winding reel (5);
the built-in wire (10) is arranged in the winding reel (5) in a penetrating way, and the built-in wire (10) is used for transmitting stress information of the rock acquired by the stress monitoring mechanism back to the cloud computing module; and
the first motor is used for driving the winding reel (5) to rotate;
the first motor is arranged in the shell (7), and a switch key is further arranged on the first motor and is electrically connected with the first motor;
the outer side of the built-in wire (10) is also wrapped with a layer of protective sleeve (2);
the stress monitoring mechanism includes:
a base (4) electrically connected to the built-in wire (10); and
a drilling pressure gauge (12) movably connected with the base (4) through a telescopic piece;
the base (4) is electrically connected with the infrared temperature sensor (3);
the cloud computing module includes:
a display screen (1) with a built-in processor; and
an alarm (6) electrically connected with the display screen (1);
the processor is used for receiving stress information of the rock transmitted by the drilling pressure gauge (12) and temperature information transmitted by the infrared temperature sensor (3).
2. The hybrid coal mine rock burst monitoring and early warning device according to claim 1, wherein the lower end of the shell (7) is further provided with a crawler wheel (8) and a second motor for driving the crawler wheel (8) to rotate.
3. The hybrid coal mine rock burst monitoring and early warning device according to claim 2 is characterized in that a third motor is movably connected below the shell (7) through a telescopic shaft (11), and a roller (9) is fixedly connected to the output end of the third motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321135270.4U CN220170404U (en) | 2023-05-11 | 2023-05-11 | Mixed colliery rock burst monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321135270.4U CN220170404U (en) | 2023-05-11 | 2023-05-11 | Mixed colliery rock burst monitoring and early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170404U true CN220170404U (en) | 2023-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321135270.4U Active CN220170404U (en) | 2023-05-11 | 2023-05-11 | Mixed colliery rock burst monitoring and early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170404U (en) |
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2023
- 2023-05-11 CN CN202321135270.4U patent/CN220170404U/en active Active
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