Angle detection device for stress meter installation

Abstract

The utility model provides an angle detection device for installation of a stressometer, and the device comprises a first connection part which is used for connecting a borehole stressometer; one end of the angle detection device is connected with the first connecting part, and the angle detection device is used for detecting the rotation angle of the borehole stressometer when the borehole stressometer is installed; and the second connecting part is connected to the other end of the angle detection device and is used for being connected with a rotating system, and the rotating system is used for providing rotating force for the borehole stressometer. According to the device, the angle can be monitored and adjusted in real time in the installation process, angle errors in a traditional installation method are avoided, then the accuracy of engineering safety assessment is improved, and the risk of geological disasters is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stress gauges, in particular to an angle detection device for installing a stress gauge. Background Art

[0002] Borehole stress gauges are important instruments for monitoring the internal stress state of rock formations and are widely used in safety monitoring in mines, tunnels, and other underground projects. By measuring stress changes, engineers can predict and prevent geological disasters such as rock collapse and mine tremors. However, the measurement accuracy of borehole stress gauges depends heavily on their installation angle in the borehole. Traditional methods of installing borehole stress gauges often fail to precisely control the gauge's rotation angle, resulting in errors in the measured data and thus affecting the accuracy of project safety assessments. Utility Model Content

[0003] The purpose of the present invention is to overcome the above technical deficiencies and provide an angle detection device for installing a stress gauge, so as to solve the technical problem of errors in the installation of a drilling stress gauge in the related art.

[0004] In order to achieve the above technical purpose, the present invention adopts the following technical solutions:

[0005] An angle detection device for installing a strain gauge, the device comprising:

[0006] a first connecting portion, the first connecting portion being used to connect a drilling stress gauge;

[0007] an angle detection device, one end of which is connected to the first connection portion and is used to detect a rotation angle of the drilling stress gauge when the drilling stress gauge is installed;

[0008] A second connecting portion is connected to the other end of the angle detection device and is used to connect to a rotation system, wherein the rotation system is used to provide a rotational force to the drilling stress gauge.

[0009] Furthermore, the first connection portion is a threaded interface, a snap-on interface or a self-locking quick connector.

[0010] Furthermore, the angle detection device includes:

[0011] An angle detection module, the angle detection module is used to detect the rotation angle of the drilling stress gauge;

[0012] a communication module, configured to send data representing the rotation angle to a target device;

[0013] A power supply module is used to provide energy to the angle detection module and the communication module.

[0014] Furthermore, the angle detection device further includes:

[0015] A data storage module, the data storage module is used to store data representing the rotation angle;

[0016] An interface module is used for data exchange between an external device and the angle detection device.

[0017] Furthermore, the angle detection module includes a three-axis accelerometer and a three-axis gyroscope.

[0018] Furthermore, the rotation system includes a plurality of interconnected connecting rods.

[0019] Furthermore, the connecting rod is a waveguide tube.

[0020] Furthermore, the second connection portion is a flange connection interface, a waveguide ferrule interface or a threaded interface.

[0021] Furthermore, a plurality of friction adjustment mechanisms are arranged at intervals on the waveguide tube.

[0022] Furthermore, the friction adjustment mechanism includes a plurality of elastic washers or friction washers, and is circumferentially arranged on the outer wall of the waveguide tube.

[0023] Beneficial effects:

[0024] This utility model provides an angle detection device for strain gauge installation. By detecting the rotation angle of a drilled strain gauge during installation, it significantly improves its installation accuracy, ensuring the reliability and accuracy of measurement data. By firmly connecting the first connecting part to the strain gauge and effectively coordinating the second connecting part with the rotation system, the device can monitor and adjust the angle in real time during installation, avoiding the angular errors associated with traditional installation methods. This, in turn, improves the accuracy of engineering safety assessments and reduces the risk of geological hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a block diagram of an angle detection device for installing a strain gauge provided by an embodiment of the present utility model;

[0026] Figure 2 is a block diagram of an angle detection device provided by an embodiment of the present utility model;

[0027] Figure 3 is a block diagram of an angle detection device provided by an embodiment of the present utility model;

[0028] Figure 4 It is a block diagram of the angle detection device provided by an embodiment of the present utility model.

[0029] In the accompanying drawings: 100 is the first connecting part, 200 is the angle detection device, 300 is the second connecting part,

[0030] 201 is an angle detection module, 202 is a communication module, 203 is a power supply module, 204 is a control module, 205 is a data storage module, 206 is an interface module, 2011 is a three-axis accelerometer, and 2012 is a three-axis gyroscope. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0032] like Figure 1 As shown, this embodiment provides an angle detection device for installing a strain gauge, the device comprising:

[0033] The first connecting portion 100 is used to connect a drilling stress gauge.

[0034] In this embodiment, the first connecting portion 100 is used to connect the borehole stress gauge. On the one hand, it allows the borehole stress gauge to be securely connected to the angle detection device 200, and on the other hand, it is required to be relatively easy to install or remove the borehole stress gauge from one end of the angle detection device 200.

[0035] Therefore, the first connection portion 100 can be a standardized threaded interface, which tightly connects the angle detection device 200 to the borehole stress gauge by rotating the thread. This arrangement is highly reliable, ensuring a stable connection and providing good vibration resistance. The thread specifications can be customized according to application requirements to ensure connection compatibility.

[0036] The first connection portion 100 may also be a snap-fit ​​interface, which allows for quick installation and removal. The snap-fit ​​interface secures the angle detection device 200 and the borehole stress gauge together using a mechanical snap or latch, allowing users to easily connect and disconnect them, making it suitable for applications requiring frequent operation.

[0037] In some embodiments, the first connection portion 100 may also employ a self-locking quick connector or a magnetic interface. Specifically, the magnetic interface connects the angle detection device 200 and the borehole stress gauge via magnetic force, providing a certain degree of stability and facilitating user adjustment or removal at any time.

[0038] An angle detection device 200 , one end of which is connected to the first connection portion 100 , and is used to detect the rotation angle of the drilling stress gauge when the drilling stress gauge is installed.

[0039] The angle detection device 200 may include an IMU (Inertial Measurement Unit) attitude sensor. Specifically, the IMU integrates multiple sensors, such as an accelerometer, a gyroscope, and a magnetometer. By integrating the data from these sensors, the angle detection device 200 can provide relatively accurate rotation angle data.

[0040] The angle detection device 200 may also be an angle detection device including a laser angle sensor or an angle detection device including a torque sensor.

[0041] In some embodiments, the angle detection device 200 may also be a high-resolution camera that captures video information from the deep hole where the borehole stress gauge is installed. A user can view this video information on a handheld smart terminal to determine the rotation angle of the borehole stress gauge. It is understood that the handheld smart terminal can be in communication with the angle detection device 200 and have a display screen that can display the rotation angle.

[0042] The second connecting portion 300 is connected to the other end of the angle detection device 200 and is used to connect to a rotation system, wherein the rotation system is used to provide a rotational force to the drilling stress gauge.

[0043] In this embodiment, the second connection portion 300 is used to firmly connect the angle detection device 200 to the rotation system, so as to ensure the stability and accuracy of the drilling stress gauge during the installation process.

[0044] The second connection portion 300 may be a threaded connection, a snap connection, or a self-locking quick connector, or a magnetic connection.

[0045] In this embodiment, this angle detection device for strain gauge installation significantly improves the installation accuracy of the drilled strain gauge by detecting its rotation angle during installation, ensuring the reliability and accuracy of the measurement data. By firmly connecting the first connecting portion to the strain gauge and effectively coordinating the second connecting portion with the rotation system, the device can monitor and adjust the angle in real time during installation, avoiding the angular errors associated with traditional installation methods. This improves the accuracy of engineering safety assessments and reduces the risk of geological hazards.

[0046] In some embodiments, the first connection portion 100 is a threaded interface, a snap-fit ​​interface, or a self-locking quick connector. The threaded interface provides a secure mechanical connection, reduces the risk of loosening or detachment, and ensures accurate installation of the strain gauge. The snap-fit ​​interface and self-locking quick connector design simplify the installation and removal process, allowing users to quickly install the strain gauge without the need for complex tools, saving time and reducing operational difficulty. These interface types can be selected and replaced based on different application requirements, adapting to a variety of installation environments and requirements, thereby increasing the versatility and applicability of the device.

[0047] like Figure 2 As shown, in some embodiments, the angle detection device 200 includes:

[0048] An angle detection module 201 is used to detect the rotation angle of the drilling stress gauge.

[0049] The angle detection module 201 may be configured with a posture sensor (IMU, Inertial Measurement Unit), a laser angle sensor, or a torque sensor.

[0050] In some implementations, the angle detection module 201 may also be a high-definition camera.

[0051] The communication module 202 is configured to send data representing the rotation angle to a target device.

[0052] The communication module 202 can be a Bluetooth Low Energy (BLE) module, a LoRa (LongRange) module, or a Wi-Fi module. Alternatively, it can be an ultra-wideband (UWB) module operating in signal bands above 8 GHz. UWB modules offer high bandwidth and low latency, enabling highly accurate positioning and data transmission. They are particularly suitable for scenarios requiring high-precision, real-time data transmission. The high-frequency signals of UWB modules enable high-resolution angle and position detection over short distances and exhibit strong anti-interference capabilities.

[0053] The target device can be a ground service terminal. It can also be a user's smart detection terminal, such as an installer's smart detection terminal. The smart detection terminal can communicate with the angle detection device 200 via the communication module 202. The smart detection terminal can be a smart handheld terminal. When installing the borehole stress gauge, the installer can use the smart detection terminal to view the current rotation angle of the borehole stress gauge.

[0054] The power module 203 is used to provide energy to the angle detection module and the communication module.

[0055] The power module 203 may be a rechargeable battery, such as a lithium-ion battery or a nickel-metal hydride battery. The power module 203 may also be a disposable battery.

[0056] In this embodiment, a control module 204 may be further included. The control module 204 may be a microcontroller (MCU) or an FPGA (field programmable gate array).

[0057] In this embodiment, the control module 204 is electrically connected to the angle detection module 201, the communication module 202, and the power module 203. Specifically, the control module 204 can provide power to the angle detection module 201 via power pins (such as VCC and GND). The control module 204 can also be connected to the angle detection module 201 via signal lines (such as SPI, I2C, or GPIO pins) to transmit sensor data (rotation angle data) collected by the angle detection module 201. This data is transmitted to the control module 204 for processing and storage.

[0058] Accordingly, the control module 204 can provide power to the communication module 202 via a power pin, ensuring a stable power supply during operation. The control module 204 can establish a signal connection with the communication module 202 via a standard communication interface (such as UART, SPI, I2C, or USB). The control module 204 can send processed data to the communication module 202, which then transmits the data to the target device via wireless communication methods such as Bluetooth, Wi-Fi, LoRa, or UWB. The control module 204 can also control the operating state of the communication module 202 via other control pins (such as an enable pin or a reset pin), ensuring that the module is activated or deactivated as needed, thereby conserving power.

[0059] Accordingly, the power module 203 can directly supply power to the control module 204 through the power line to provide the operating voltage (such as 3.3V or 5V) required by the system.

[0060] In this embodiment, by integrating a high-precision angle detection module, a real-time data transmission communication module and an independently powered power supply module, the installation accuracy of the drilling stress gauge and the real-time performance of data transmission are significantly improved, ensuring the accuracy of the measurement data and the reliability of the engineering safety assessment.

[0061] like Figure 3 As shown, in some embodiments, the angle detection device further includes:

[0062] The data storage module 205 is used to store data representing the rotation angle.

[0063] In this embodiment, the data storage module 205 can be a flash memory, an SD card or a MicroSD card. The data storage module 205 can also be a solid state drive (SSD).

[0064] The interface module 206 is used for data exchange between an external device and the angle detection device.

[0065] In this embodiment, the interface module 206 may be a standard interface such as USB, UART, I2C, or SPI.

[0066] It is understood that the data storage module 205 and the interface module 206 are each electrically connected to the control module 204. Specifically, if the data storage module 205 is a flash memory or a MicroSD card, it can be electrically connected to the control module 204 via an SPI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit) interface. These interfaces can provide reliable high-speed data transmission and are suitable for storing small amounts of data and frequent read and write operations.

[0067] In this embodiment, the functionality of the angle detection device is further enhanced by the addition of a data storage module 205 and an interface module 206. The data storage module 205 ensures that rotation angle data can be reliably stored even in the event of communication interruptions or real-time transmission limitations, preventing data loss. The interface module 205 provides a data exchange channel with external devices, facilitating subsequent data analysis and device debugging, and improving the device's sensitivity.

[0068] like Figure 4As shown, in some embodiments, the angle detection module includes a three-axis accelerometer 2011 and a three-axis gyroscope 2012. Specifically, the three-axis accelerometer 2011 can detect acceleration information in the X, Y, and Z directions. The three-axis digital gyroscope can measure angular velocity along the X, Y, and Z axes. The control module 204 can generate a corresponding rotation angle based on the acceleration information detected by the three-axis accelerometer 2011 and the angular velocity detected by the three-axis digital gyroscope.

[0069] This embodiment integrates a triaxial accelerometer 2011 and a triaxial gyroscope 2012, enabling the angle detection module to simultaneously acquire acceleration and angular velocity information in the X, Y, and Z directions. This combination provides comprehensive attitude and motion detection capabilities, ensuring accurate capture of the borehole strain gauge's rotation and tilt angles in a variety of complex environments. This improves the accuracy and stability of angle detection, facilitating precise installation and reliable engineering monitoring.

[0070] In some embodiments, the rotation system includes a plurality of interconnected connecting rods.

[0071] In this embodiment, the multiple connecting rods can be connected end to end to form a longer connecting rod, so that the drilling strain gauge can be inserted into a deep hole for easy installation. Correspondingly, when the installation hole is shallow, it can also be connected to form a shorter connecting rod.

[0072] This embodiment utilizes multiple interconnected connecting rods within the rotation system, enabling the system to flexibly adapt to varying operating environments and space constraints. This design not only enhances the system's adjustability and ease of operation, but also more precisely transmits rotational torque, ensuring that the borehole strain gauge can be installed at the desired angle, thereby improving installation accuracy and overall system reliability.

[0073] In some embodiments, the connecting rod is a waveguide tube.

[0074] In this embodiment, the waveguide not only provides excellent mechanical properties, ensuring the strength and stability of the connecting rod, but also provides a transmission channel for high-frequency electromagnetic signals, ensuring that radio signals can be transmitted outside the borehole. This ensures accurate angle measurements even in complex environments. Furthermore, the waveguide's structural design optimizes torque transmission, making the installation of the borehole strain gauge more stable and precise.

[0075] In some embodiments, the second connection portion 300 is a flange connection interface, a waveguide ferrule interface, or a threaded interface.

[0076] In this embodiment, these interface types provide a reliable and robust mechanical connection, ensuring a secure connection between the angle detection device 200 and the rotation system, eliminating the risk of loosening or detachment. Secondly, the diverse interface types increase the device's flexibility and adaptability, enabling its use in diverse installation environments and meeting various application requirements. Finally, these interface designs simplify the device's installation and removal process, improving operational efficiency while ensuring high precision and stability.

[0077] In some embodiments, a plurality of friction adjustment mechanisms are arranged at intervals on the waveguide.

[0078] In this embodiment, the primary purpose of multiple friction adjustment mechanisms spaced apart on the waveguide is to provide more controllable angles during rotation. These friction adjustment mechanisms precisely control the angle changes during rotation by adjusting the friction force, preventing over- or under-rotation and thus improving installation accuracy and operability. This design helps ensure that the borehole strain gauge accurately achieves the desired angle during installation.

[0079] In some embodiments, the friction adjustment mechanism includes a plurality of elastic washers or friction pads, and is circumferentially disposed on the outer wall of the waveguide.

[0080] Specifically, the elastic washer can be directly mounted on the outer wall of the waveguide. Multiple elastic washers can be mounted on a region of the waveguide to form the friction adjustment mechanism. The multiple friction pads can be circumferentially adhered to the outer wall of the waveguide to form the friction adjustment mechanism.

[0081] In this embodiment, the elastic washers or friction pads provide uniform friction, ensuring smooth torque transmission during rotation, thereby making the rotation angle more controllable. Furthermore, the circumferential arrangement helps to even out friction in all directions, preventing instability or deviation during rotation. This design not only improves system stability but also enhances precision and reliability during installation.

[0082] Working principle:

[0083] During use, that is, when a borehole stress gauge needs to be installed, the borehole stress gauge is installed on the first connection part 100 of the angle detection device for stress gauge installation. The first connection part 100 can be set to different types of interfaces to adapt to borehole stress gauges of different models and sizes. After the borehole stress gauge is installed, the rotation system can be connected to the second connection part 300. For example, a plurality of interconnected waveguide tubes can be connected to the second connection part 300. At this time, the borehole stress gauge can be penetrated into a preset deep hole through the waveguide tube for rotation. It can be understood that the user, for example, the installer can rotate the borehole stress gauge by rotating the waveguide tube. On the other hand, the rotation angle information can be viewed through a handheld smart terminal. When the rotation reaches the preset angle, the rotation can be stopped to complete the installation.

[0084] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0085] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0086] The serial numbers of the above embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0087] In the above embodiments of the present application, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0088] The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. An angle detection device for strain gauge installation, characterized in that: The device comprises: a first connecting portion, the first connecting portion being used to connect a drilling stress gauge; an angle detection device, one end of which is connected to the first connection portion and is used to detect a rotation angle of the drilling stress gauge when the drilling stress gauge is installed; a second connecting portion connected to the other end of the angle detection device and used to connect to a rotation system, wherein the rotation system is used to provide a rotational force to the drilling stress gauge; The first connection portion is a threaded interface, a snap-on interface or a self-locking quick connector; The angle detection device includes: an angle detection module, the angle detection module is used to detect the rotation angle of the drilling stress gauge; a communication module, the communication module is used to send data representing the rotation angle to a target device; and a power module, the power module is used to provide energy to the angle detection module and the communication module. The second connection portion is a flange connection interface, a waveguide ferrule interface or a threaded interface.

2. The angle detection device according to claim 1, wherein: The angle detection device further includes: A data storage module, the data storage module is used to store data representing the rotation angle; An interface module is used for data exchange between an external device and the angle detection device.

3. The angle detection device according to claim 2, wherein: The angle detection module includes a three-axis accelerometer and a three-axis gyroscope.

4. The angle detection device according to claim 1, wherein: The rotation system includes a plurality of interconnected connecting rods.

5. The angle detection device according to claim 4, characterized in that: The connecting rod is a waveguide tube.

6. The angle detection device according to claim 5, characterized in that: A plurality of friction adjustment mechanisms are arranged at intervals on the waveguide.

7. The angle detection device according to claim 6, characterized in that: The friction adjustment mechanism includes a plurality of elastic washers or friction washers and is circumferentially arranged on the outer wall of the waveguide.

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