CN215725896U - Real-time stable measuring device of dangerous rock body incline direction - Google Patents
Real-time stable measuring device of dangerous rock body incline direction Download PDFInfo
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- CN215725896U CN215725896U CN202121931107.XU CN202121931107U CN215725896U CN 215725896 U CN215725896 U CN 215725896U CN 202121931107 U CN202121931107 U CN 202121931107U CN 215725896 U CN215725896 U CN 215725896U
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Abstract
The utility model relates to a real-time stable measuring device for the inclination direction of a dangerous rock mass, which comprises a device shell fixed on the dangerous rock mass through an external supporting rod, wherein an internal module and an installation shaft are arranged in the device shell, and the installation shaft is fixedly connected with an installation tray; an annular mounting groove is formed in the outer edge of the mounting tray, a resistor is arranged in the annular mounting groove, an opening is formed in the resistor, insulating paint is sprayed on two end faces of the opening, and an insulating paint layer is sprayed on one end of the opening; the rotating shaft is fixedly connected with the mounting shaft, the rotating shaft is rotatably connected with the supporting rod, a rolling ring for reducing friction force is arranged between the supporting rod and the mounting tray, a mounting groove is formed in the supporting rod, a connecting lead is contained in the mounting groove, and one end of the connecting lead is connected with the conductive connector; the power supply is electrically connected with the ammeter and the end face of one end of the insulating paint layer sprayed at the position of the resistor opening in sequence through a lead. The device is simple and convenient to install, simple in structure and capable of safely and stably measuring the inclination direction of the dangerous rock mass.
Description
Technical Field
The utility model relates to the field of measurement of the inclination direction, in particular to a real-time stable measuring device for the inclination direction of a dangerous rock mass.
Background
Dangerous rock mass means rock mass which has main geological conditions for collapse although the collapse of some rock mass does not occur, and the pre-occurrence phenomenon of the collapse of some rock mass occurs, so that the dangerous rock mass indicates the rock mass which is likely to collapse for a short time. Dangerous rock masses are potentially collapsing bodies. China is a country with a complex mountain landform shape, and dangerous rock collapse is a common geological disaster in mountain areas; dangerous rock body collapse has the characteristics of extremely strong burst property, large destructive power and the like, and seriously threatens normal production and life of residents in traffic important roads and mountainous areas; in China, a great amount of casualties and major economic losses are caused by dangerous rock body collapse every year.
In the process of preventing and treating dangerous rock masses, the time and the collapse direction of the unstable collapse of the dangerous rock masses cannot be accurately predicted basically. In the process of developing and destroying dangerous rock masses, the change of the interaction force between different rock blocks can cause the change of the inclination direction of the dangerous rock masses, so that the inclination direction of the dangerous rock masses is not constant, and the real-time and accurate judgment of the inclination direction of the dangerous rock masses is very difficult; the collapse direction of most dangerous rock masses is consistent with the inclination direction of the dangerous rock masses, so that the inclination direction of the dangerous rock masses can be measured in real time, reference data can be provided for the development and change processes and trends of the dangerous rock masses, the possible collapse direction of the dangerous rock masses can be judged accurately in real time, and the device has important practical significance for timely formulating a disaster-prevention evacuation plan and ensuring the life and property safety of people.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a real-time stable measuring device for the inclination direction of a dangerous rock mass, and solves the problems that the existing dangerous rock mass inclination direction device is unstable, has a complex structure and is easy to generate a circuit short circuit.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the scheme provides a real-time stable measuring device for the inclination direction of a dangerous rock mass, which comprises a device shell fixed on the dangerous rock mass through an external supporting rod, wherein an internal module and an installation shaft are arranged inside the device shell, and the installation shaft is fixedly connected with an installation tray; an annular mounting groove is formed in the outer edge of the mounting tray, a resistor is arranged in the annular mounting groove, an opening is formed in the resistor, and an insulating paint layer is sprayed on one end of the opening;
the rotating shaft is fixedly connected with the mounting shaft, the rotating shaft is rotatably connected with the supporting rod, a rolling ring for reducing friction force is arranged between the supporting rod and the mounting tray, a mounting groove is formed in the supporting rod, a connecting lead is contained in the mounting groove, and one end of the connecting lead is connected with the conductive connector; the conductive joint is connected with the resistor in a sliding manner; the other end of the connecting wire is electrically connected with a power supply through a wire; the power supply is electrically connected with the ammeter and the end face of one end of the insulating paint layer sprayed at the position of the resistor opening in sequence through a lead.
The dangerous rock body inclination direction measuring device is simple and convenient to install and simple in structure, the insulating paint is arranged to effectively prevent short circuit, and when a dangerous rock body inclines, the supporting rod deflects to the dangerous rock body inclination direction along with the inclination of the installation tray, so that the resistance is changed due to the change of the length of the access resistor, and the change of the current is caused, so that the dangerous rock body inclination directions at different moments are measured.
Furthermore, the internal module comprises a control module, a communication module and a power supply module for supplying power to the control module and the communication module.
The control module controls the power supply module and the communication module switch, can issue an adjustment instruction of data acquisition frequency and data transmission frequency, and is connected with the power supply module and the communication module switch according to the instruction, the data acquisition frequency and the data transmission frequency can be different, the control module can receive measurement data of the ammeter, and the resistance is changed by accessing resistance length change, so that the change of the current is caused, namely the current value at a certain moment corresponds to the inclination direction of the dangerous rock mass, and the inclination directions of the dangerous rock mass at different moments are measured; the control module is provided with a storage device, monitoring data can be stored, the power supply module is used for providing a power supply, the communication module is used for transmitting the inclination direction data obtained by the control module to the remote upper computer, and the inclination direction of the dangerous rock mass can be stably measured in the environment with small temperature change.
Further, the bottom in the device shell is provided with the supporting seat that is used for fixed mounting axle.
The supporting seat is used for fixing, supporting and connecting the installation shaft.
Further, the surface of the tail end of the supporting rod is provided with a balance weight body used for increasing the downward sliding force.
The counterweight body is used for increasing the downward sliding force of the support rod adjusted along with the deflection of the installation tray, so that the whole device can be more sensitive and can sense the small change of the inclination direction of the dangerous rock mass.
Further, the resistor is annular.
The resistor is matched with the mounting groove at the outer edge of the mounting tray.
Furthermore, the surface of the mounting tray is circular, conical or circular, and the outer edge of the mounting tray is provided with an annular mounting groove.
The mounting tray is matched with the annular resistor.
Further, the length of the insulating paint layer is 1 mm-10 mm.
The insulating paint layer can avoid the short circuit of resistance opening part, increases the stability of device measurement, does not influence the smoothness on resistance surface.
The utility model has the beneficial effects that: the utility model has simple structure and convenient installation, effectively prevents the short circuit caused by the circuit, and safely, stably and accurately measures the change of the inclination direction when the dangerous rock mass inclines.
Drawings
Fig. 1 is a schematic structural diagram of a real-time stable measuring device for the inclination direction of a dangerous rock mass.
Fig. 2 is a schematic structural view of a mounting tray of a real-time stable measuring device for the inclination direction of a dangerous rock mass.
Fig. 3 is a schematic diagram of a real-time stable measuring device resistance wiring method for the inclination direction of a dangerous rock mass.
Wherein, 1, the device shell; 2. an outer support bar; 3. a supporting seat; 4. installing a shaft; 5. installing a tray; 6. a rotating shaft member; 7. a resistance; 8. connecting a lead; 9. a power supply module; 10. a control module; 11. a communication module; 12. a support bar; 13. a counterweight body; 14. a conductive joint; 15. a rolling ring; 16. an ammeter; 17. an insulating paint layer; 18. a power source.
Detailed Description
The embodiments of the present invention are described so that those skilled in the art can understand the present invention, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention defined and determined by the appended claims, and all the utility models utilizing the inventive concept are protected.
According to the first embodiment of the present application, as shown in fig. 1, fig. 2 and fig. 3, a real-time stable measuring device for the inclination direction of a dangerous rock mass according to the present scheme includes:
the device shell 1, the device shell 1 is inside including installation axle 4, installation tray 5, supporting seat 3 and inside module.
Installation axle 4 and installation tray 5 fixed connection, supporting seat 3 is used for fixed connection installation axle 4. Installation axle 4, device shell 1 and external support pole 2 should be vertical state when the device initial installation, and installation tray 5 surface is circular, conical or ring shape, if installation tray 5 is circular or ring shape, then installation tray 5 place plane and installation axle 4 quadrature, and the centre of a circle of installation tray 5 is on installation axle 4, if installation tray 5 is conical, then its rotation axis and installation axle 4 coincidence.
When the dangerous rock mass inclines, the mounting shaft 4 and the mounting tray 5 incline along with the inclination of the dangerous rock mass, and the supporting rod 12 is driven to rotate to the inclination direction of the dangerous rock mass.
Annular mounting groove has been seted up to 5 outer fringes of installation tray, and the annular mounting groove has held resistance 7, and resistance 7 is loop configuration, has seted up the opening on resistance 7, and the both ends face spraying insulated paint of opening part, the one end spraying of opening part have insulating paint layer 17, and the opening both ends are close to seamless connection.
Insulating paint layer 17 length is 1mm ~ 10mm, the length of insulating paint layer 17 is carried out preferably according to manufacturing process level and test range, insulating paint layer 17 can not influence the smoothness nature on resistance 7 surface, can not influence the slip of conductive joint 14 on resistance 7 surface, insulating paint layer 17 can avoid resistance 7 opening part short circuit, be close to seamless connection between the resistance 7 opening terminal surface, make resistance 7 opening part and both sides form smooth surface, can make conductive joint 14 also can smooth slip at resistance 7 opening part, increase device measuring stability and accuracy, resistance 7 can be with mounting groove looks adaptation for the annular.
The insulating paint layer 17 is made of alkyd paint, epoxy paint or organic silicon paint.
In order to make the resistivity of the resistor 7 approximate to a constant value and improve the measurement accuracy of the device, on one hand, the resistor 7 is made of a material insensitive to temperature change, and on the other hand, the device is arranged in an environment with little temperature change as much as possible.
The rotating shaft member 6 is fixedly connected with the mounting shaft 4, the rotating shaft member 6 is rotatably connected with the supporting rod 12, a rolling ring 15 is arranged between the supporting rod 12 and the mounting tray 5, and a counterweight body 13 is arranged at the tail end of the supporting rod 12.
When the device is initially installed, the center of the opening of the resistor 7 and the support rod 12 are opposite to the positive north direction.
When the dangerous rock mass inclines, the installation tray 5 inclines along with the dangerous rock mass, the supporting rod 12 can be automatically adjusted to the inclination direction of the dangerous rock mass under the action of the gravity of the balance weight body 13, the rolling ring 15 mainly plays a role in reducing the friction force between the supporting rod 12 and the installation tray 5, and the balance weight body 13 mainly plays a role in increasing the downward sliding force of the supporting rod 12 adjusted along with the deflection of the installation tray 5, so that the whole device can be more sensitive, and the small inclination direction change of the dangerous rock mass is sensed.
The supporting rod 12 is provided with a connecting wire 8, the connecting wire 8 is connected with a conductive joint 14, the conductive joint 14 is connected with the resistor 7 in a sliding mode, the other end of the connecting wire 8 is electrically connected with a power supply 18, and the power supply 18 is sequentially electrically connected with an ammeter 16 and one end face of an opening of the resistor 7, which is sprayed with an insulating paint layer.
When the dangerous rock mass inclines, the mounting tray 5 inclines along with the dangerous rock mass, the supporting rod 12 deflects to the inclination direction of the dangerous rock mass under the action of the gravity of the counterweight body 13, the connecting wire 8 and the conductive connector 14 are connected with the resistance length change to change the resistance, so that the reading value of the ammeter 16 is changed, and the inclination direction of the dangerous rock mass at different moments is measured.
The control module 10 controls the switches of the power supply module 9 and the communication module 11, can issue adjustment instructions of data acquisition frequency and data transmission frequency, and is connected with the switches of the power supply module 9 and the communication module 11 according to the adjustment instructions, the data acquisition frequency and the data transmission frequency can be different, the control module 10 can receive measurement data of an ammeter, the resistance 7 is changed in size by connecting the resistance 7 with the length change, so that the change of the current is caused, namely, the current value at a certain moment corresponds to the inclined direction of the dangerous rock mass, so that the inclined direction of the dangerous rock mass at different moments is measured, and the control module 10 is internally provided with a storage device which can store the monitoring data; the power supply module 9 is used for providing a power supply, and the communication module 11 is used for transmitting the inclination direction data obtained by the control module 10 to a remote upper computer, can stably measure the inclination direction of the dangerous rock mass in the environment with small temperature change, and can also accurately and stably measure the inclination direction of the dangerous rock mass when the environment temperature changes when the resistance selects the material with small resistivity to the temperature change.
The control module 10 can be an S7-200 SMART PLC control module, a 51 single chip microcomputer control module and the like.
The dangerous rock body inclination detection device is simple and convenient to install and simple in structure, the insulating paint layer is arranged to effectively prevent a circuit from being short-circuited, and when a dangerous rock body inclines, the supporting rod deflects to the inclination direction of the dangerous rock body, so that the length of the access resistor changes to change the resistance, the current changes, and therefore the inclination directions of the dangerous rock body at different moments are detected.
This scheme is a dangerous rock mass incline direction's real-time stable measuring device, and its theory of operation is:
when the utility model is installed, the installation shaft 4 or the installation tray 5 or the device shell 1 is rotated to align the opening direction of the resistor 7 with the north (0-degree or 360-degree direction), and the parking position of the support rod 12 is adjusted to be close to the end part of the insulating paint layer 17 close to the opening of the resistor 7, and the connection between the conductive joint 14 and the resistor 7 is disconnected.
When the dangerous rock mass inclines, the mounting tray 5 inclines along with the dangerous rock mass, the support rod 12 deflects to the inclined direction of the dangerous rock mass under the action of the gravity of the counterweight body 13, so that the length of the resistor 7 connected with the conductive connector 14 is changed, and the inclined direction of the dangerous rock mass can be obtained according to the reading of the ammeter 16.
The connection method shown in fig. 3 is adopted, and as the support rod rotates, the right part of the resistor 7 on the conductive contact 14 is disconnected, and the left part on the conductive contact 14 is connected.
The total length of the resistor 7 is L, the cross-sectional area is S,
when the inclined direction of the dangerous rock mass is X degrees, the circuit is switched on, the reading of the ammeter 16 is I, and then:
I＝U/[ρ·(X/360)·L/S]；
when I is not equal to 0, the inclination direction of the dangerous rock mass is as follows:
X＝360US/(IρL)；
where U is the power supply voltage and ρ is the resistivity of the resistor 7.
When the dangerous rock mass is not inclined or the inclination direction of the dangerous rock mass is the due north direction, the supporting rod 12 does not deflect, the circuit is disconnected, and the reading I of the current meter 16 is 0. When the conductive connector 14 stays at the opening of the resistor 7 or on the insulating paint layer 17, the reading I of the ammeter 16 is 0, and the device cannot distinguish whether the inclination direction of the dangerous rock body is the due north direction or the dangerous rock body is not inclined, namely, the device is a dead zone measured at the opening of the resistor 7 or the insulating paint layer 17.
Further, a resistor which is the same as the resistor 7 is arranged in the device in the same way, the position of the opening and the position of the insulating paint layer are adjusted to any other position which is not coincident with the position of the opening of the resistor 7 and the position of the insulating paint layer 17, the current is set to be I', and when I is not equal to 0, the circuit is automatically disconnected; when I is 0, the circuit is automatically switched on to measure I', and then:
when I ═ 0, and I' ≠ 0, the dangerous rock body inclination direction is 0 °.
When I ═ 0, and I ═ 0, the dangerous rock mass is not inclined.
The utility model has simple structure and convenient installation, effectively prevents the circuit from causing short circuit, and safely, stably and accurately measures the direction change of the dangerous rock when the dangerous rock inclines.
While the embodiments of the utility model have been described in detail in connection with the accompanying drawings, it is not intended to limit the scope of the utility model. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (7)
1. The device for measuring the real-time stability of the inclination direction of the dangerous rock mass is characterized by comprising a device shell (1) fixed on the dangerous rock mass through an external support rod (2), wherein an internal module and an installation shaft (4) are arranged inside the device shell (1), and the installation shaft (4) is fixedly connected with an installation tray (5); an annular mounting groove is formed in the outer edge of the mounting tray (5), a resistor (7) is arranged in the annular mounting groove, an opening is formed in the resistor (7), and an insulating paint layer (17) is sprayed on one end of the opening;
the rotating shaft (6) is fixedly connected with the mounting shaft (4), the rotating shaft (6) is rotatably connected with a supporting rod (12), a rolling ring (15) for reducing friction force is arranged between the supporting rod (12) and the mounting tray (5), a mounting groove is formed in the supporting rod (12), a connecting lead (8) is arranged in the mounting groove, and one end of the connecting lead (8) is connected with a conductive connector (14); the conductive joint (14) is connected with the resistor (7) in a sliding manner; the other end of the connecting lead (8) is electrically connected with a power supply (18) through a lead; and the power supply (18) is electrically connected with the ammeter (16) and one end face of the insulating paint layer (17) sprayed at the opening of the resistor (7) in sequence through a lead.
2. The real-time stable measuring device of the dangerous rock body inclination direction of claim 1, characterized in that: the internal module comprises a control module (10), a communication module (11) and a power supply module (9) for supplying power to the control module (10) and the communication module (11).
3. The real-time stable measuring device of the dangerous rock body inclination direction of claim 1, characterized in that: the bottom in the device shell (1) is provided with a supporting seat (3) for fixing the mounting shaft (4).
4. The real-time stable measuring device of the dangerous rock body inclination direction of claim 1, characterized in that: and a counterweight body (13) for increasing the downward sliding force is arranged on the surface of the tail end of the supporting rod (12).
5. The real-time stable measuring device of the dangerous rock body inclination direction of claim 1, characterized in that: the resistor (7) is an annular resistor.
6. The real-time stable measuring device of the dangerous rock body inclination direction of claim 1, characterized in that: the surface of the mounting tray (5) is round, conical or circular.
7. The real-time stable measuring device of the dangerous rock body inclination direction of claim 1, characterized in that: the length of the insulating paint layer (17) is 1 mm-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121931107.XU CN215725896U (en) | 2021-08-17 | 2021-08-17 | Real-time stable measuring device of dangerous rock body incline direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121931107.XU CN215725896U (en) | 2021-08-17 | 2021-08-17 | Real-time stable measuring device of dangerous rock body incline direction |
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| Publication Number | Publication Date |
|---|---|
| CN215725896U true CN215725896U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121931107.XU Active CN215725896U (en) | 2021-08-17 | 2021-08-17 | Real-time stable measuring device of dangerous rock body incline direction |
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| CN (1) | CN215725896U (en) |
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- 2021-08-17 CN CN202121931107.XU patent/CN215725896U/en active Active
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