CN217462265U - Roadway roof stability intelligent analysis early warning device based on drilling signal - Google Patents
Roadway roof stability intelligent analysis early warning device based on drilling signal Download PDFInfo
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- CN217462265U CN217462265U CN202221350719.4U CN202221350719U CN217462265U CN 217462265 U CN217462265 U CN 217462265U CN 202221350719 U CN202221350719 U CN 202221350719U CN 217462265 U CN217462265 U CN 217462265U
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Abstract
The utility model discloses an intelligent analysis early warning device for roadway roof stability based on drilling signals, which comprises a pneumatic jumbolter, a vibration acceleration sensor, a pressure sensor, a displacement sensor and an analysis early warning component, wherein the vibration acceleration sensor is arranged on a motor body, the pressure sensor is arranged at the bottom of an air leg, and the displacement sensor is arranged on the air leg; the analysis early warning assembly comprises a shell, a signal data receiving module, a signal data intelligent preprocessing module, a signal data automatic analysis module and a numerical control display module are arranged in the shell, the vibration acceleration sensor, the pressure sensor and the displacement sensor are all electrically connected with the signal data receiving module, a memory storage module is further arranged in the shell, and a display unit, an early warning unit and a scheduling unit are mounted on the shell. The utility model discloses can fast accurate grasp overlying strata steady state information, provide support to the control roof country rock overall stability.
Description
Technical Field
The utility model relates to a tunnel roof monitoring technology field especially relates to a tunnel roof stability intelligent analysis early warning device based on creep into signal.
Background
Unstable deformation such as roof fall, separation and the like easily occurs to the coal mine tunnel roof under the mining influence, the control of the stability of the tunnel roof is very important in coal mining, tunnel roof rock strata under different geological conditions have different stable states, the stable state of the roof rock strata is cleared up, and the method has important significance in implementing support types with corresponding strength aiming at the rock strata in different stable states. At present, the stability information of the rock stratum can be monitored by means of drilling feedback signals of the anchor rod drilling machine, but after the drilling signals of the existing anchor rod drilling machine are extracted, a large amount of post-processing needs to be carried out on signal data at a later stage, the stability information of the drilled rock stratum cannot be obtained in real time in an operation project, and the efficiency and the precision of clearing the development condition and the position of a separation layer and the depth of a surrounding rock damage area are low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel roof stability intelligent analysis early warning device based on creep into signal to solve the problem that above-mentioned prior art exists, can grasp overlying strata steady state information fast and accurately, provide support to control roof country rock overall stability.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a tunnel roof stability intelligent analysis early warning device based on signal of creeping into, including pneumatic roofbolter, vibration acceleration sensor, pressure sensor, displacement sensor and analysis early warning subassembly, vibration acceleration sensor install in on the motor body in the pneumatic roofbolter, be used for gathering the vibration signal of the drilling rod in the drilling process, pressure sensor install in the gas leg bottom of pneumatic roofbolter, be used for gathering the pressure signal of creeping into in the drilling process, displacement sensor install in on the gas leg in the pneumatic roofbolter, be used for gathering the displacement signal of creeping into in the drilling process; the analysis early warning subassembly includes the shell, be equipped with signal data receiving module, signal data intelligence preprocessing module, signal data automatic analysis module and the numerical control display module that electricity is connected in proper order in the shell, vibration acceleration sensor pressure sensor with displacement sensor all with signal data receiving module electricity is connected, still be equipped with memory storage module in the shell, memory storage module respectively with signal data receiving module signal data intelligence preprocessing module with signal data automatic analysis module electricity is connected, install display element, early warning unit and dispatch unit on the casing, the display element early warning unit with the dispatch unit all with numerical control display module electricity is connected.
Preferably, the analysis and early warning assembly is mounted on a steering handle at the tail of a steering arm in the pneumatic roofbolter.
Preferably, the bottom of the pressure sensor is fixedly connected with a sensor fixing plate, and the bottom of the sensor fixing plate is fixedly connected with a base.
Preferably, the displacement sensor is a stay wire displacement sensor, the moving end of the stay wire displacement sensor is connected to the outer wall of the air leg, and the fixed end of the stay wire displacement sensor is fixedly connected to the upper surface of the sensor fixing plate.
Preferably, the analysis early warning assembly further comprises a power supply module, and the power supply module is arranged in the shell and used as a power supply of the analysis early warning assembly.
Preferably, the display unit is a display screen, the scheduling unit is a scheduling button, and the early warning unit comprises an early warning indicator lamp and an alarm.
Preferably, the analysis early warning assembly is wrapped by a rubber film.
Preferably, the vibration acceleration sensor is fixedly connected to a drill bit shank, and the drill bit shank is located at a position where the motor body is connected with the drill rod.
Preferably, the data transmission lines of the vibration acceleration sensor, the pressure sensor and the displacement sensor are collected in the control arm and then connected to the analysis and early warning assembly along the control arm through a wire tube.
The utility model discloses for prior art gain following technological effect:
the utility model provides a tunnel roof stability intelligent analysis early warning device based on creep into signal, through vibration acceleration sensor, the data signal of drilling in-process is gathered in real time to pressure sensor and displacement sensor, and carry out synchronous processing to data collection through analysis early warning subassembly, turn into rock stratum steady state information and output display, make operating personnel can the quick accurate grasp overlying strata steady state information, if the stratum structure is unstable, the early warning unit can in time carry out the early warning and remind operating personnel, operating personnel is according to hole site rock stratum steady state information, parameter and type are strutted in adjustment that can be timely in the work progress, effective control tunnel roof is stable, it supports to control roof country rock overall stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural connection diagram of the intelligent analysis and early warning device for roadway roof stability based on drilling signals provided by the utility model;
FIG. 2 is a schematic view of the connection structure between the analysis early warning module and the control arm according to the present invention;
FIG. 3 is a schematic view of the connection structure of the pressure sensor and the displacement sensor with the air leg according to the present invention;
fig. 4 is a schematic view of a connection structure between a vibration acceleration sensor and a motor body according to the present invention;
fig. 5 is a structural frame diagram of the intelligent analysis and early warning device for the stability of the roadway roof based on the drilling signal provided by the utility model;
FIG. 6 is a connection diagram of the sensors, the analysis and early warning module and the components in the analysis and early warning module;
in the figure: 100-roadway roof stability intelligent analysis early warning device based on drilling signals, 1-pneumatic roofbolter, 101-motor body, 102-drill rod, 103-air leg, 104-control arm, 105-control handle, 106-drill rod tail, 107-water jacket, 108-connecting sleeve, 2-vibration acceleration sensor, 3-pressure sensor, 4-displacement sensor, 401-moving end of stay wire displacement sensor, 402-fixed end of stay wire displacement sensor, 5-analysis early warning component, 6-sensor fixing plate, 7-base, 8-roof rock stratum and 9-floor rock stratum.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a tunnel roof stability intelligent analysis early warning device based on creep into signal to solve the problem that prior art exists, can grasp overlying strata stable state information fast and accurately, provide support to control roof country rock overall stability.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 6, the embodiment provides an intelligent analysis and early warning device 100 for roadway roof stability based on a drilling signal, which includes a pneumatic roofbolter 1, a vibration acceleration sensor 2, a pressure sensor 3, a displacement sensor 4 and an analysis and early warning component 5, wherein the vibration acceleration sensor 2 is mounted on a motor body 101 of the pneumatic roofbolter 1 and is used for acquiring a vibration signal of a drill rod 102 in the drilling process, the pressure sensor 3 is mounted at the bottom of a gas leg 103 of the pneumatic roofbolter 1 and is used for acquiring a drilling pressure signal in the drilling process, and the displacement sensor 4 is mounted on the gas leg 103 of the pneumatic roofbolter 1 and is used for acquiring a drilling displacement signal in the drilling process; analysis early warning subassembly 5 includes the shell, be equipped with the signal data receiving module of electricity connection in proper order in the shell, signal data intelligence preprocessing module, signal data automatic analysis module and numerical control display module, vibration acceleration sensor 2, pressure sensor 3 and displacement sensor 4 all are connected with signal data receiving module electricity, still be equipped with memory storage module in the shell, memory storage module respectively with signal data receiving module, signal data intelligence preprocessing module and signal data automatic analysis module electricity are connected, install the display element on the casing, early warning unit and scheduling unit, the display element, early warning unit and scheduling unit all are connected with numerical control display module electricity.
During the use, support gas leg 103 bottom on bottom plate stratum 9, drilling rod 102 upwards creeps into roof stratum 8, pneumatic roofbolter 1 drilling in-process, carry out signal information real-time seizure, the collection through vibration acceleration sensor 2, pressure sensor 3 and displacement sensor 4, the signal data intelligence preprocessing module in the analysis early warning subassembly 5 is at first through the signal data receiving module signal of receiving sensor collection, filter interference factors such as signal data's noise, the effective signal after the screening is then automatic classification, solve, and convert to the concrete characteristic value that can the quantitative analysis, this step obtained information can be automatically transmitted to memory storage module through transmission module and store. After the pretreatment is finished, the automatic signal data analysis module in the analysis early warning assembly 5 can directly call the obtained characteristic value, theoretical parameters of stable conditions in a database of the memory storage module are called for analysis and comparison, whether the drilled rock stratum is stable or not is analyzed, information is transmitted to the numerical control display module, the display unit can display the distribution trend of the stability curve of the top plate, if the structure of the rock stratum is unstable, the early warning unit carries out early warning work, at the moment, an operator can selectively check the separation development state and position, the depth of a damaged area and drilling information of the top plate on the display unit through the scheduling unit, so that support parameters and types are adjusted according to different rock stratum conditions, and the purpose of controlling the stability of the surrounding rock is achieved. This device is through the signal data of multiple sensor real-time collection drilling in-process to carry out synchronous processing to the data collection through analysis early warning subassembly, turn into rock stratum stable state information and output display, make operating personnel can master overlying strata stable state information fast and accurately, operating personnel is according to hole site rock stratum stable state information, parameter and type are strutted in adjustment that can be timely in the work progress, effective control tunnel roof country rock keeps stable state, provide support to control roof country rock overall stability.
Wherein, the pneumatic jumbolter 1 is a conventional jumbolter, which comprises a motor body 101, a drill stem 102, an air leg 103, an operating arm 104, a drill shank 106, a water jacket 107 and a connecting sleeve 108, the connecting sleeve 108 is used for connecting the motor body 101, the air leg 103 and the operating arm 104, the connecting sleeve 108 is fixedly connected with the motor body 101 through screw threads, the connecting sleeve 108 is movably connected with the operating arm 104, the connecting sleeve 108 is fixedly connected with the air leg 103, the connecting sleeve 108 has a function of reducing mechanical noise, the drill stem 102 is used for cracking rocks, the drill shank 106 is used for connecting the motor body 101 and positioning the drill stem 102, the water jacket 107 is connected outside the drill shank 106, the water jacket 107 is used for avoiding water inlet of the motor body 101 and ensuring smooth water inlet, the motor body 101 is used for driving the drill stem 102 to rotate, the operating arm 104 is used for adjusting a drilling angle, controlling an air inlet valve and a water inlet valve, adjusting air inlet amount and water flow size, adjusting a main shaft rotating speed and an air leg 103 extending speed, the tail of the operating arm 104 is provided with an operating handle 105, and the gas leg 103 is used for providing thrust during drilling.
In this embodiment, the analysis and early warning module 5 is installed on the manipulating handle 105 at the tail of the manipulating arm 104 in the pneumatic jumbolter 1, so that the worker can operate the analysis and early warning module 5 while operating the pneumatic jumbolter 1.
In this embodiment, 3 bottom fixedly connected with sensor fixed plate 6 of pressure sensor, 6 bottom fixedly connected with bases 7 of sensor fixed plate guarantee the stability of bottom sprag, improve pressure detection's the degree of accuracy.
In this embodiment, the displacement sensor 4 is a stay wire displacement sensor, the moving end 401 of the stay wire displacement sensor is connected to the outer wall of the air leg 103, the fixed end 402 of the stay wire displacement sensor is fixedly connected to the upper surface of the sensor fixing plate 6 and abuts against the pressure sensor 3 to reduce the measurement error, and the moving end 401 of the stay wire displacement sensor and the fixed end 402 of the stay wire displacement sensor are connected by a steel wire rope.
In this embodiment, the analysis and early warning module 5 further includes a power module, the power module is disposed in the housing and used as a power supply of the analysis and early warning module 5, and the power module provides electric energy for each electric appliance in the analysis and early warning module 5. Wherein, the shell is subjected to waterproof treatment, and the heat dissipation holes are reserved on the shell, so that the shell is not totally closed and is convenient for heat dissipation.
In this embodiment, the display element is the display screen, and the scheduling unit is scheduling button, and the early warning unit includes early warning pilot lamp and alarm, through display screen display analysis result information, conveniently carries out the selectivity dispatch to the display information through scheduling button, and during the early warning, the early warning pilot lamp lights, and the alarm sounds to the warning operating personnel that show.
In this embodiment, the analysis early warning subassembly 5 is wrapped by the rubber film to realize waterproof, dustproof effect.
In this embodiment, the vibration acceleration sensor 2 is fixedly connected to the drill bit shank 106, and the drill bit shank 106 is located at a position where the motor body 101 is connected to the drill rod 102, so that the real vibration information of the drill rod 102 can be accurately acquired without affecting the normal drilling operation.
In this embodiment, the data transmission lines of the vibration acceleration sensor 2, the pressure sensor 3 and the displacement sensor 4 are collected in the manipulating arm 104, and then connected to the analysis and early warning module 5 along the manipulating arm 104 through the wire tube.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides a tunnel roof stability intelligent analysis early warning device based on signal of creeping into which characterized in that: the pneumatic jumbolter comprises a pneumatic jumbolter, a vibration acceleration sensor, a pressure sensor, a displacement sensor and an analysis early warning assembly, wherein the vibration acceleration sensor is arranged on a motor body in the pneumatic jumbolter and used for collecting vibration signals of a drill rod in the drilling process; the analysis early warning subassembly includes the shell, be equipped with signal data receiving module, signal data intelligence preprocessing module, signal data automatic analysis module and the numerical control display module that electricity is connected in proper order in the shell, vibration acceleration sensor pressure sensor with displacement sensor all with signal data receiving module electricity is connected, still be equipped with memory storage module in the shell, memory storage module respectively with signal data receiving module signal data intelligence preprocessing module with signal data automatic analysis module electricity is connected, install display element, early warning unit and dispatch unit on the shell, the display element early warning unit with the dispatch unit all with numerical control display module electricity is connected.
2. The intelligent roadway roof stability analyzing and early-warning device based on the drilling signals as claimed in claim 1, wherein: the analysis early warning assembly is mounted on a control handle at the tail of a control arm in the pneumatic jumbolter.
3. The intelligent roadway roof stability analyzing and early-warning device based on the drilling signals as claimed in claim 1, wherein: the bottom of the pressure sensor is fixedly connected with a sensor fixing plate, and the bottom of the sensor fixing plate is fixedly connected with a base.
4. The intelligent roadway roof stability analyzing and early warning device based on the drilling signal as claimed in claim 3, wherein: the displacement sensor is a stay wire displacement sensor, the moving end of the stay wire displacement sensor is connected to the outer wall of the air leg, and the fixed end of the stay wire displacement sensor is fixedly connected to the upper surface of the sensor fixing plate.
5. The intelligent roadway roof stability analyzing and early warning device based on the drilling signal as claimed in claim 1, wherein: the analysis early warning assembly further comprises a power supply module, and the power supply module is arranged in the shell and used as a power supply of the analysis early warning assembly.
6. The intelligent roadway roof stability analyzing and early warning device based on the drilling signal as claimed in claim 1, wherein: the display unit is a display screen, the scheduling unit is a scheduling button, and the early warning unit comprises an early warning indicator lamp and an alarm.
7. The intelligent roadway roof stability analyzing and early-warning device based on the drilling signals as claimed in claim 1, wherein: the analysis early warning assembly is wrapped by a rubber film.
8. The intelligent roadway roof stability analyzing and early-warning device based on the drilling signals as claimed in claim 1, wherein: the vibration acceleration sensor is fixedly connected to a drill bit shank, and the drill bit shank is located at the position where the motor body is connected with the drill rod.
9. The intelligent roadway roof stability analyzing and early warning device based on the drilling signal as claimed in claim 2, wherein: and after the data transmission lines of the vibration acceleration sensor, the pressure sensor and the displacement sensor are collected to the control arm, the data transmission lines are connected to the analysis early warning assembly through a wire pipe along the control arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350719.4U CN217462265U (en) | 2022-06-01 | 2022-06-01 | Roadway roof stability intelligent analysis early warning device based on drilling signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350719.4U CN217462265U (en) | 2022-06-01 | 2022-06-01 | Roadway roof stability intelligent analysis early warning device based on drilling signal |
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| Publication Number | Publication Date |
|---|---|
| CN217462265U true CN217462265U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221350719.4U Active CN217462265U (en) | 2022-06-01 | 2022-06-01 | Roadway roof stability intelligent analysis early warning device based on drilling signal |
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| CN (1) | CN217462265U (en) |
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- 2022-06-01 CN CN202221350719.4U patent/CN217462265U/en active Active
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