CN214272157U - Wireless monitoring system for assembled beam string steel support - Google Patents
Wireless monitoring system for assembled beam string steel support Download PDFInfo
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- CN214272157U CN214272157U CN202022557111.6U CN202022557111U CN214272157U CN 214272157 U CN214272157 U CN 214272157U CN 202022557111 U CN202022557111 U CN 202022557111U CN 214272157 U CN214272157 U CN 214272157U
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Abstract
The utility model relates to an assembly type string beam steel support wireless monitoring system, which comprises an internal force measuring system and a deformation measuring system; the internal force measuring system comprises an axial force box, wherein the axial force box is arranged in the middle of the steel pull rod of the beam string structure, the tail end of the steel support rod of the beam string structure and the tail end of the steel support of the foundation pit, and the axial force box monitors the axial force in real time and feeds the axial force back to the monitoring terminal; the deformation measuring system comprises 3D deformation monitoring equipment and a inclinometer; the 3D deformation monitoring equipment comprises a laser range finder fixed on the enclosure structure and a CCD position sensor fixed on the foundation pit steel support or the top of an upright post for supporting the foundation pit steel support, wherein the laser sensor is aligned with the CCD position sensor, and the laser range finder is used as a reference to monitor the displacement of the CCD position sensor in a three-dimensional space in real time and feed the displacement back to the monitoring terminal; and the inclinometer monitors the deep horizontal displacement of the enclosure structure in the direction vertically towards the inside of the foundation pit in real time and feeds the deep horizontal displacement back to the monitoring terminal.
Description
Technical Field
The utility model relates to a string roof beam steel shotcrete wireless monitoring system is opened to assembled belongs to foundation ditch monitoring technology field.
Background
The urban construction of China has been developed rapidly since the 80 s in the 20 th century, particularly high-rise buildings and underground engineering have been developed rapidly, the importance of foundation pit engineering is gradually known by people, and the design and construction technical level of the foundation pit engineering is also continuously improved along with the accumulation of engineering experience. However, in the foundation pit engineering practice, the actual working state of the engineering often has a certain difference from the design working condition, and the design value cannot reflect various changes of the engineering completely and accurately, so that the planned field engineering monitoring under the guidance of theoretical analysis is necessary.
In the prior art, the monitoring of the internal force and the peripheral deformation of the foundation pit steel support is manually carried out, the manual operation is low in efficiency, the data processing is complex, the human error is large, the real-time monitoring and the real-time early warning cannot be realized, and the potential safety hazard exists for the foundation pit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled beam string steel supports wireless monitoring system, replace traditional manual measurement, artifical record, artifical processing data, artifical early warning etc. for whole monitoring process efficiency is higher, the degree of accuracy is higher, the timeliness is stronger; through the wireless monitoring system for the assembled beam-string steel supports, the deformation of the foundation pit, the internal force change of the steel supports, the settlement of the stand columns and the like can be monitored in real time and early warning is timely given, the monitoring frequency is improved by at least one order of magnitude, the condition of the foundation pit can be checked at any time and any place, and the aim of effectively controlling the safety of foundation pit support is fulfilled.
The utility model adopts the following technical proposal:
an assembly type beam string steel support wireless monitoring system comprises an internal force measuring system and a deformation measuring system; the internal force measuring system comprises an axial force box 9, the axial force box 9 is arranged in the middle of the beam string structure steel pull rod 8, the tail end of the beam string structure steel support rod 7 and the tail end of the foundation pit steel support 10, and the axial force box 9 monitors the axial force in real time and feeds the axial force back to the monitoring terminal; the deformation measuring system comprises 3D deformation monitoring equipment and an inclinometer; the 3D deformation monitoring equipment comprises a laser range finder 4 fixed on the enclosure structure and a CCD position sensor 1 fixed on a foundation pit steel support 10 or the top of an upright post for supporting the foundation pit steel support, wherein the laser range finder 4 is aligned with the CCD position sensor, and the laser range finder 4 is used as a reference to monitor the displacement of the CCD position sensor in the three-dimensional space in real time and feed the displacement back to the monitoring terminal; the inclinometer comprises a plurality of monitoring units arranged along the length direction of the enclosure structure, and is used for monitoring the deep horizontal displacement below the earth surface in the direction that the enclosure structure vertically faces the interior of the foundation pit in real time and feeding back the deep horizontal displacement to the monitoring terminal.
Preferably, the system further comprises a temperature measuring system, wherein the temperature measuring system comprises a temperature sensor 6, and the temperature sensor 6 is fixed on the foundation pit steel support 10 and is in signal connection with the control terminal.
Preferably, the enclosure is a reinforced concrete beam 3.
Preferably, the deformation measurement system further comprises a GNSS monitoring system, wherein the GNSS monitoring system comprises a plurality of GNSS monitoring stations and an independent GNSS base station, which are arranged on the enclosure and are used for monitoring the displacement of the enclosure in the horizontal plane; the setting position of the GNSS monitoring station can be the same as or different from the position of the inclinometer.
Furthermore, when the setting position of the GNSS monitoring station is the same as the position of the inclinometer, the monitoring terminal corrects the acquired data of the inclinometer and the GNSS base station.
Further, the system also comprises a data receiving and transmitting system and a power supply system; the internal force measuring system, the deformation measuring system and the power supply system are all connected with the data receiving and sending system, the data receiving and sending system is connected with the server, the server serves as a control terminal and is respectively connected with the early warning system, the display platform and the prediction system, and the display platform issues a monitoring report sheet.
Preferably, the axial force boxes are divided into pressure boxes and tension boxes, the pressure boxes are used at the ends of the foundation pit steel support 10 and the beam string steel support rod 7, and the tension boxes are used on the tension rods; the pressure cell 9a includes a pair of end plates 902, a pair of brackets 905 are respectively connected to the pair of end plates 902, the pair of brackets 905 are connected by an annular flange 901, an axial force gauge 903 is fixedly installed in a space inside the pair of brackets 905, and a wire outlet 904 is left on the side wall of the pair of brackets 905.
Further, the outlet 904 is in a long strip shape perpendicular to the annular flange 901; the shaft force gauge 903 is correspondingly connected with a counter bore 902a on the end plate 902 through a threaded hole 903a.
Further, the power supply system comprises a solar panel, a controller and a battery.
Furthermore, the data receiving and transmitting system comprises a data acquisition module and a communication module, wherein the data acquisition module is used for measuring and storing sensor data, and the communication module sends the data to the server; the data display platform comprises a computer display platform and a mobile terminal display platform, and a user can check the downloaded data and the printing of a monitoring report in real time through the platform.
The beneficial effects of the utility model reside in that:
1) assembled string roof beam steel shotcrete wireless monitoring system replaces traditional artifical measurement, artifical record, artifical processing data, artifical early warning etc. for whole monitoring process efficiency is higher, the degree of accuracy is higher, the ageing is stronger.
2) Through the wireless monitoring system for the assembled beam-string steel supports, the deformation of the foundation pit, the internal force change of the steel supports, the settlement of the stand columns and the like can be monitored in real time, early warning is timely given out, the monitoring frequency is improved by one order of magnitude, the condition of the foundation pit can be checked at any time and any place, and the aim of effectively controlling the safety of foundation pit support is fulfilled.
3) The comprehensive and adaptive monitoring design is carried out for a foundation pit system adopting beam string beams and steel supports, and the intelligent degree is higher; monitoring relative displacement and column settlement by using a laser range finder and a CCD position sensor; monitoring the axial force of the steel support rods and the steel pull rods of the beam string structure and the steel supports of the foundation pit by using the axial force box; the inclination and deep horizontal displacement monitoring of the enclosure structure is realized by utilizing the inclinometer, the displacement monitoring of the enclosure structure in the horizontal plane is realized by utilizing the GNSS monitoring station, and meanwhile, the control terminal can be utilized to compare and correct the data of the enclosure structure and the horizontal displacement monitoring station, so that the monitoring data is more accurate.
3) The solar energy is adopted for power supply, so that the environment is protected, the economy is realized, and the power utilization safety of a construction site can be ensured.
4) The system has a prediction and early warning system, can fully consider the influence of each factor on the foundation pit, and has higher control degree on the safety of the foundation pit.
Drawings
Fig. 1 is the utility model discloses the plane arrangement picture of wireless monitoring system of assembled beam string steel shotcrete in the foundation ditch.
Fig. 2 is a schematic diagram of a 3D deformation monitoring device.
Fig. 3 is the control flow chart of the wireless monitoring system of assembled beam string steel shotcrete of the utility model.
FIG. 4 is a schematic diagram of a GNSS monitoring station.
Fig. 5 is an enlarged view of the arrangement position of the axial force cell in fig. 1.
Fig. 6 is a structural arrangement diagram of the axial force box (divided into a pressure box and a tension box).
Fig. 7 is a sectional view taken along line 1-1 in fig. 6.
Fig. 8 is a schematic structural view of the tension cassette.
Fig. 9 is a schematic structural view of the pressure cell.
In the figure, 1, a CCD position sensor, 2, an inclinometer, 3, a reinforced concrete beam, 4, a laser range finder, 5, a GNSS monitoring station, 6, a temperature sensor, 7, a steel stay bar, 8, a steel pull rod, 9, an axial force box, 10, a foundation pit steel support, 11, a GNSS base station, 12, a section steel support, 13, a mounting bracket, 901, an annular flange, 902, an end plate, 903, an axial force meter, 904, an outlet, 905, a bracket, 905a bracket threaded hole, 1101, a GNSS host, 1102, a GNSS bracket, 902a counter bore, 902b through hole, 903a threaded hole, 9a pressure box and 9b tension box.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 3, the assembly type beam string steel support wireless monitoring system comprises a measuring system, a power supply system, a data receiving and transmitting system, a data processing system, a foundation pit safety prediction system and a data display platform.
Referring to fig. 1-7, an assembly type beam string steel support wireless monitoring system comprises an internal force measuring system and a deformation measuring system; the internal force measuring system comprises an axial force box 9, the axial force box 9 is arranged in the middle of the beam string structure steel pull rod 8, the tail end of the beam string structure steel support rod 7 and the tail end of the foundation pit steel support 10, and the axial force box 9 monitors the axial force in real time and feeds the axial force back to the monitoring terminal; the deformation measuring system comprises 3D deformation monitoring equipment and an inclinometer; the 3D deformation monitoring equipment comprises a laser range finder 4 fixed on the enclosure structure and a CCD position sensor 1 fixed on a foundation pit steel support 10 or the top of an upright post for supporting the foundation pit steel support, wherein the laser range finder 4 is aligned with the CCD position sensor, and the laser range finder 4 is used as a reference to monitor the displacement of the CCD position sensor in the three-dimensional space in real time and feed the displacement back to the monitoring terminal; the inclinometer comprises a plurality of monitoring units arranged along the length direction of the enclosure structure, and is used for monitoring the deep horizontal displacement below the earth surface in the direction that the enclosure structure vertically faces the interior of the foundation pit in real time and feeding back the deep horizontal displacement to the monitoring terminal.
In this embodiment, referring to fig. 1, the system further comprises a temperature measurement system, wherein the temperature measurement system comprises a temperature sensor 6, and the temperature sensor 6 is fixed on the foundation pit steel support 10 and is in signal connection with the control terminal.
In this embodiment, referring to fig. 1, the enclosure is a reinforced concrete beam 3.
In this embodiment, referring to fig. 1, the deformation measurement system further includes a GNSS monitoring system, which includes a plurality of GNSS monitoring stations and an independent GNSS base station disposed on the enclosure, and is configured to detect a displacement of the enclosure in a horizontal plane; the setting position of the GNSS monitoring station can be the same as or different from the position of the inclinometer.
In this embodiment, when the setting position of the GNSS monitoring station is the same as the position of the inclinometer, the monitoring terminal corrects the acquired data of the inclinometer and the GNSS base station.
In this embodiment, referring to fig. 3, the system further includes a data transceiving system and a power supply system; the internal force measuring system, the deformation measuring system and the power supply system are all connected with the data receiving and sending system, the data receiving and sending system is connected with the server, the server serves as a control terminal and is respectively connected with the early warning system, the display platform and the prediction system, and the display platform issues a detection report sheet. The power supply system is composed of a solar panel, a controller and a battery.
In this embodiment, referring to fig. 6-7, the axial force box is divided into a pressure box and a tension box, the pressure box is used at the ends of the foundation pit steel support 10 and the beam string steel support rod 7, and the tension box is used on the tension rod; the pressure cell 9a includes a pair of end plates 902, a pair of brackets 905 are respectively connected to the pair of end plates 902, the pair of brackets 905 are connected by an annular flange 901, an axial force gauge 903 is fixedly installed in a space inside the pair of brackets 905, and a wire outlet 904 is left on the side wall of the pair of brackets 905.
In this embodiment, referring to fig. 6-7, the outlet 904 is elongated perpendicular to the annular flange 901; the shaft force gauge 903 is correspondingly connected with a counter bore 902a on the end plate 902 through a threaded hole 903a.
In this embodiment, the data transceiver system is composed of a data acquisition module (vibrating wire data acquisition, voltage and current data acquisition) and a communication module (GPRS communication module, lora wireless module, NB-lot wireless module), wherein the data acquisition module is used for measuring and storing sensor data, and the communication module sends the data to the server;
the data processing and early warning system comprises a cloud server and data processing software, and is used for processing and integrating data on the server to obtain final display data;
the foundation pit safety prediction system analyzes the past data, compares the past data with the site construction condition and the design calculation to obtain a foundation pit safety score, and proposes foundation pit construction and foundation pit monitoring suggestions according to the score;
the data display platform comprises a computer display platform and a mobile terminal display platform, and a user can check downloaded data and monitor printing of reports in real time through the platform.
The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the basis of the above embodiments, and these changes or improvements should fall within the scope of the present invention without dragging the present general inventive concept.
Claims (10)
1. The utility model provides a wireless monitoring system of assembled beam string steel shotcrete which characterized in that:
comprises an internal force measuring system and a deformation measuring system;
the internal force measuring system comprises an axial force box (9), wherein the axial force box (9) is arranged in the middle of a beam string structure steel pull rod (8), the tail end of a beam string structure steel support rod (7) and the tail end of a foundation pit steel support (10), and the axial force box (9) monitors the axial force in real time and feeds the axial force back to a monitoring terminal;
the deformation measuring system comprises 3D deformation monitoring equipment and an inclinometer;
the 3D deformation monitoring equipment comprises a laser range finder (4) fixed on the enclosure structure and a CCD position sensor (1) fixed on a foundation pit steel support (10) or the top of an upright post for supporting the foundation pit steel support, wherein the laser range finder (4) is aligned with the CCD position sensor, and the laser range finder (4) is used as a reference to monitor the displacement of the CCD position sensor in a three-dimensional space in real time and feed the displacement back to the monitoring terminal;
the inclinometer comprises a plurality of monitoring units arranged along the length direction of the enclosure structure, and is used for monitoring the deep horizontal displacement below the earth surface in the direction that the enclosure structure vertically faces the interior of the foundation pit in real time and feeding back the deep horizontal displacement to the monitoring terminal.
2. The assembled beam-string steel support wireless monitoring system of claim 1, wherein: the temperature measurement system comprises a temperature sensor (6), wherein the temperature sensor (6) is fixed on the foundation pit steel support (10) and is in signal connection with the control terminal.
3. The assembled beam-string steel support wireless monitoring system of claim 1, wherein: the building envelope is a reinforced concrete beam (3).
4. The assembled beam-string steel support wireless monitoring system of claim 1, wherein: the deformation measurement system also comprises a GNSS monitoring system, wherein the GNSS monitoring system comprises a plurality of GNSS monitoring stations arranged on the enclosure structure and an independent GNSS base station and is used for monitoring the displacement of the enclosure structure in the horizontal plane; the setting position of the GNSS monitoring station can be the same as or different from the position of the inclinometer.
5. The assembled beam-string steel support wireless monitoring system of claim 4, wherein: and when the setting position of the GNSS monitoring station is the same as the position of the inclinometer, the monitoring terminal corrects the acquired data of the inclinometer and the GNSS base station.
6. The assembled beam-string steel support wireless monitoring system of claim 4, wherein: the system also comprises a data receiving and transmitting system and a power supply system; the internal force measuring system, the deformation measuring system and the power supply system are all connected with the data receiving and sending system, the data receiving and sending system is connected with the server, the server serves as a control terminal and is respectively connected with the early warning system, the display platform and the prediction system, and the display platform issues a monitoring report sheet.
7. The assembled beam-string steel support wireless monitoring system of claim 1, wherein: the axial force box is divided into a pressure box (9a) and a tension box (9b), the pressure box is used at the ends of a foundation pit steel support (10) and a beam string steel stay bar (7), and the tension box is used on a pull rod; the pressure box (9a) comprises a pair of end plates (902), the pair of end plates (902) are respectively connected with a support (905), the pair of supports (905) are connected through an annular flange (901), the axial force meter (903) is fixedly installed in a space inside the pair of supports (905), and a wire outlet (904) is reserved on the side wall of the pair of supports (905).
8. The assembled beam-string steel support wireless monitoring system of claim 7, wherein: the outlet (904) is in a long strip shape perpendicular to the annular flange (901); the shaft force meter (903) is correspondingly connected with a counter bore (902a) on the end plate (902) through a threaded hole (903 a).
9. The assembled beam-string steel support wireless monitoring system of claim 6, wherein: the power supply system comprises a solar panel, a controller and a battery.
10. The assembled beam-string steel support wireless monitoring system of claim 6, wherein: the data receiving and transmitting system comprises a data acquisition module and a communication module, wherein the data acquisition module is used for measuring and storing sensor data, and the communication module sends the data to the server; the data display platform comprises a computer display platform and a mobile terminal display platform, and a user can check the downloaded data and the printing of a monitoring report in real time through the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557111.6U CN214272157U (en) | 2020-11-06 | 2020-11-06 | Wireless monitoring system for assembled beam string steel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557111.6U CN214272157U (en) | 2020-11-06 | 2020-11-06 | Wireless monitoring system for assembled beam string steel support |
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| Publication Number | Publication Date |
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| CN214272157U true CN214272157U (en) | 2021-09-24 |
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| CN202022557111.6U Active CN214272157U (en) | 2020-11-06 | 2020-11-06 | Wireless monitoring system for assembled beam string steel support |
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