CN112782723A - Road safety three-dimensional monitoring device based on Beidou positioning system - Google Patents
Road safety three-dimensional monitoring device based on Beidou positioning system Download PDFInfo
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- CN112782723A CN112782723A CN202011563496.5A CN202011563496A CN112782723A CN 112782723 A CN112782723 A CN 112782723A CN 202011563496 A CN202011563496 A CN 202011563496A CN 112782723 A CN112782723 A CN 112782723A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 230000000007 visual effect Effects 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 22
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to the technical field of safety monitoring, and discloses a road safety three-dimensional monitoring device based on a Beidou positioning system, which comprises a background control center, a Beidou monitor, a Beidou base station and a pressure roller, wherein the background control center is provided with a visual three-dimensional model of a road, the surface of the pressure roller is attached with a pressure sensor, and a positioner is arranged inside the pressure roller; the pressure sensor and the positioner embed pressure data and positioning data in the three-dimensional model through a wireless network to be displayed; the Beidou monitor transmits the acquired space movement data of the roadbed layer to the background control center in real time through a Beidou base station and a Beidou satellite, and the space movement data is embedded into the three-dimensional model for display; the Beidou monitor and the Beidou satellite are used for positioning and monitoring to monitor the space displacement of the roadbed layer, and the space displacement data monitored by the Beidou monitor is embedded into the three-dimensional model to realize high-precision three-dimensional safety monitoring for the road and realize the effects of early warning and emergency command.
Description
Technical Field
The invention relates to the technical field of safety monitoring, in particular to a road safety three-dimensional monitoring device based on a Beidou positioning system.
Background
The highway is constructed according to the national technical standard and is approved by the highway administration department, and is connected among cities, villages and industrial and mining bases. The highway does not contain a lane naturally formed in the field or in the countryside, is mainly used for driving automobiles and has certain technical standards and facilities. The highway has the difference between a common highway and a special highway for automobiles, the latter is more and more in the highway grade, and the second-level highway has two specifications. In general, a highway generally refers to a road on which automobiles run.
The length of a road is generally long, and the road comprises a roadbed layer covered on soil, and the roadbed layer sinks or collapses due to different soil properties at the bottom of the roadbed layer and factors such as environment change, the material of the roadbed layer and the like.
In the prior art, the safety monitoring of the road is monitored by the camera, so that the defect of inaccurate monitoring is overcome, and the functions of early warning and emergency command are difficult to realize.
Disclosure of Invention
The invention aims to provide a road safety three-dimensional monitoring device based on a Beidou positioning system, and aims to solve the problem that early warning and emergency command are difficult to realize in road safety monitoring in the prior art.
The invention is realized in this way, the highway safety three-dimensional monitoring device based on the Beidou positioning system comprises a background control center, a Beidou monitor which is arranged on a roadbed layer and monitors the space movement data of the roadbed layer, a Beidou base station and a pressure roller which is arranged at the position to be monitored of the highway, wherein the background control center is established with a visual three-dimensional model of the highway, and the Beidou monitor is communicated with a Beidou satellite through the Beidou base station;
the pressure rollers are arranged in soil body below the roadbed layer and extend along the width direction of the roadbed layer; a strip-shaped pressure sensor is attached to the surface of the pressure roller and arranged along the axial extension of the pressure roller; a positioner is arranged inside the pressure roller; a rotating ring is encircled on the periphery of the Beidou monitor and is driven by a motor to rotate relative to the Beidou monitor, a solar panel which is obliquely arranged is connected to the rotating ring, and a photosensitive sensor is arranged on the solar panel;
the pressure sensor and the positioner are communicated with the background control center through a wireless network, and pressure data and positioning data are embedded into the three-dimensional model to be displayed; the Beidou monitor transmits the acquired space movement data of the roadbed layer to the background control center in real time through the Beidou base station and the Beidou satellite, and the background control center embeds the space movement data into the three-dimensional model for display.
Further, the bottom of big dipper monitor is equipped with the mount pad of fixing on the roadbed layer, be equipped with upper end open-ended mounting groove in the mount pad, the lower part embedding of big dipper monitor is fixed in the mounting groove, installation interval has between the bottom of big dipper monitor and the bottom of mounting groove, it has the resilient mounting piece to fill in the installation interval.
Further, the mounting seat comprises a ring seat and a seat body, wherein the ring seat is fixed on the roadbed layer, an inner ring space is formed by the surrounding of the ring seat, the seat body is positioned in the inner ring space, and a gap is formed between the periphery of the seat body and the inner side wall of the ring seat; the inner side wall of the ring seat is provided with a plurality of inclined strips, the inclined strips are arranged at intervals along the circumferential direction of the inner side wall of the ring seat, and the outer ends of the inclined strips extend towards the middle part of the inner ring space in an inclined manner and are fixedly connected to the periphery of the seat body; the mounting groove is arranged in the seat body.
Further, the both sides of pressure roller extend outwards respectively and have the extension strip, the extension strip is along the axial extension of pressure roller arranges, pressure sensor includes two side pressure sensor, side pressure sensor sets up on the extension strip, and arranges towards the roadbed layer.
Further, the bottom of pressure roller is formed with the level and smooth terminal surface of arranging downwards, level and smooth terminal surface arranges along the axial extension of pressure roller, pressure sensor includes bottom pressure sensor, bottom pressure sensor sets up level and smooth on the terminal surface, and deviate from the road bed layer and arrange.
Further, the Beidou positioning system-based road safety three-dimensional monitoring device comprises transverse strips placed in soil below a roadbed layer, wherein the transverse strips extend along the width direction of the roadbed layer; the both sides of horizontal strip are provided with the foil gage that extends upward and arrange respectively, along the direction from bottom to top of roadbed layer, the foil gage is deviated horizontal strip is arranged, the top butt of foil gage is in the bottom of roadbed layer.
Further, the strain gauge is in a pre-deformed state.
Furthermore, the top of the strain gauge extends outwards away from the transverse strip to form a sheet-shaped abutting end, and the abutting end abuts against the bottom of the roadbed layer.
Furthermore, the abutting end is provided with a plurality of protruding structures.
Furthermore, the strain gauges on two sides of the transverse strip are arranged in a staggered mode.
Compared with the prior art, the road safety three-dimensional monitoring device based on the Beidou positioning system provided by the invention has the advantages that the pressure sensor is arranged on the pressure roller to monitor the pressure data of the roadbed layer, the positioner is arranged in the pressure roller to monitor the positioning data of the pressure roller, the state of the roadbed layer can be monitored at any time by monitoring the pressure data and the positioning data, and the pressure data and the positioning data are embedded in the three-dimensional model to be displayed; the Beidou monitor and the Beidou satellite are used for positioning and monitoring, so that the space displacement of the roadbed layer can be accurately monitored, the space displacement data monitored by the Beidou monitor is embedded into the three-dimensional model by establishing the three-dimensional model of the road, the space displacement data of the roadbed layer is monitored at any time and any place, the three-dimensional model is used for visually displaying, high-precision three-dimensional safety monitoring is realized for the road, and the effects of early warning and emergency command are realized.
Drawings
Fig. 1 is a schematic front view of a road safety three-dimensional monitoring device based on a Beidou positioning system provided by the invention.
Fig. 2 is a schematic top view of a mount provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-2, a preferred embodiment of the present invention is shown.
Three-dimensional monitoring devices of highway safety based on big dipper positioning system, including backstage control center, the setting is on roadbed layer 101 and the big dipper monitor of the space movement data of monitoring roadbed layer 101, big dipper basic station and install the pressure roller 200 of treating the monitoring position at the highway, backstage control center establishes the visual three-dimensional model of highway, according to information such as actual build thing size ratio and position, through three-dimensional modeling, establish three-dimensional model in backstage control center, big dipper monitor passes through big dipper basic station and big dipper satellite communication.
Through the combination of the Beidou satellite and the Beidou monitor, the spatial displacement monitoring at the centimeter level can be achieved, and high-precision monitoring is realized. In this embodiment, adopt Hunan ally oneself with big dipper monitor of science and technology limited company to carry out the space displacement monitoring of building thing.
The pressure roller 200 is arranged in the soil body 100 below the roadbed layer 101 and extends along the width direction of the roadbed layer 101; a strip-shaped pressure sensor is attached to the surface of the pressure roller 200, and the pressure sensor is arranged along the axial extension of the pressure roller 200; in this way, the pressure sensor can monitor the pressure data of the roadbed layer 101, the inside of the pressure roller 200 is provided with a positioner, the position of the pressure roller 200 can be monitored, and when the roadbed layer 101 is damaged or the like, the position of the pressure roller 200 can be changed.
The periphery of big dipper monitor is surrounded there is the rotating ring, and the rotating ring is rotated for big dipper monitor by motor drive, is connected with the solar panel that the slope was arranged down on the rotating ring, is equipped with the photosensitive sensor on the solar panel. Utilize solar panel to collect solar energy and provide the electric energy for big dipper monitor to, through setting up the light sensor, can monitor the orientation of sunlight, through the rotation of motor drive rotating ring, and then make solar panel can be towards the sun at any time, guarantee sufficient electric energy.
The pressure sensor and the positioner are communicated with the background control center through a wireless network, and pressure data and positioning data are embedded into the three-dimensional model to be displayed. The Beidou monitor transmits the acquired space movement data of the roadbed layer to the background control center in real time through the Beidou base station and the Beidou satellite, and the background control center embeds the space movement data into the three-dimensional model for display.
According to the road safety three-dimensional monitoring device based on the Beidou positioning system, the pressure sensor is arranged on the pressure roller 200 to monitor the pressure data of the roadbed layer 101, the positioner is arranged in the pressure roller 200 to monitor the positioning data of the pressure roller 200, the state of the roadbed layer 101 can be monitored at any time by monitoring the pressure data and the positioning data, and the pressure data and the positioning data are embedded in the three-dimensional model to be displayed; the Beidou monitor and the Beidou satellite are used for positioning and monitoring, the space displacement of the roadbed layer 101 can be accurately monitored, the space displacement data monitored by the Beidou monitor is embedded into the three-dimensional model by establishing the three-dimensional model of the road, the space displacement data of the roadbed layer 101 is monitored at any time and any place, high-precision three-dimensional safety monitoring is realized for the road through visual display of the three-dimensional model, and the effects of early warning and emergency command are realized.
When the road base layer 101 of the road is abnormal, the accurate position of an accident can be rapidly judged by combining the monitoring data of the Beidou monitor through the three-dimensional model of the background control center, and the effect of rapid emergency command is realized.
The bottom of big dipper monitor is equipped with the mount pad of fixing on roadbed layer 101, is equipped with upper end open-ended mounting groove 404 in the mount pad, and the lower part embedding of big dipper monitor is fixed in mounting groove 404, has the installation interval between the bottom of big dipper monitor and the bottom of mounting groove 404, and it has the elastic mounting piece to fill in the installation interval, and the elastic mounting piece is in the precompression state.
Like this, when the normal vibrations of roadbed layer 101, drive the mount pad vibrations to big dipper monitor also shakes thereupon, through the upper and lower vibrations of elastic mounting piece buffering big dipper monitor, plays the effect of protection big dipper electromagnetic shaker, and its vibrations from top to bottom through big dipper monitor can acquire roadbed layer 101's vibrations data.
The mounting seat comprises a ring seat 400 and a seat body 403 which are fixed on the roadbed layer 101, the ring seat 400 encloses to form an inner ring space 401, the seat body 403 is positioned in the inner ring space 401, and a gap is formed between the periphery of the seat body 403 and the inner side wall of the ring seat 400; the inner side wall of the ring seat 400 is provided with a plurality of inclined strips 402, the inclined strips 402 are arranged at intervals along the circumferential direction of the inner side wall of the ring seat 400, and the outer ends of the inclined strips 402 extend towards the middle part of the inner ring space 401 in an inclined manner and are fixedly connected to the periphery of the seat body 403; the mounting groove 404 is provided in the seating body 403.
Like this, along with the vibrations of roadbed layer 101, because ring seat 400 is together fixed with roadbed layer 101, along with roadbed layer 101 vibrations, and be connected through the slope strip 402 of slope between pedestal 403 and the ring seat 400, like this, slope strip 402 plays the effect of vibrations buffering, the elastic action of cooperation elastic mounting piece, the mount pad carries out secondary cushioning effect to the big dipper monitor, plays the effect of protection big dipper monitor, and more accurate vibrations data of acquireing roadbed layer 101.
In this embodiment, the adjacent oblique strips 402 have different oblique directions, so that the buffer adjustment function can be performed in both the upward direction and the downward direction.
The two sides of the pressure roller 200 are respectively extended outwards to form extension bars 201, the extension bars 201 are arranged along the axial extension of the pressure roller 200, and the pressure sensors include two side pressure sensors which are arranged on the extension bars 201 and are arranged towards the road base layer 101.
Through setting up extension strip 201 and side pressure sensor in the both sides of pressure roller 200, when normal condition, two side pressure sensor's pressure data phase difference is not big, and when fault or phenomenon such as fracture appear in roadbed layer 101, great change then takes place for two side pressure sensor's pressure data to can real-time supervision and the fault dislocation phenomenon of early warning roadbed layer 101.
The extending strips 201 are arranged in parallel with the roadbed layer 101, so that the side pressure sensors arranged on the extending strips 201 can accurately monitor the pressure data of the roadbed layer 101.
The bottom of the pressure roller 200 is formed with a downward-arranged flat end surface 202, and the flat end surface 202 is arranged along the axial extension of the pressure roller 200, so that the pressure roller 200 can be stably fixed in the soil body 100 under a normal state.
The pressure sensors include bottom pressure sensors disposed on the flattened end face 202 and disposed away from the subgrade layer 101. Thus, when the soil body 100 below the roadbed layer 101 is displaced or settled, the pressure roller 200 is driven to roll, and at the moment, the pressure data of the bottom pressure sensor is changed, so that the settlement and the displacement of the roadbed layer 101 can be monitored.
The bottom of the pressure roller 200 is provided with a plurality of insertion rods 203, the plurality of insertion rods 203 are arranged at intervals along the axial direction of the pressure roller 200, and the insertion rods 203 are inserted into the soil body 100. In this way, the fixing of pressure roller 200 in soil body 100 is facilitated.
The road safety three-dimensional monitoring device based on the Beidou positioning system comprises transverse strips 300 arranged in a soil body 100 below a roadbed layer 101, wherein the transverse strips 300 are arranged in an extending mode along the width direction of the roadbed layer 101; the two sides of the transverse bar 300 are respectively provided with strain gauges 301 extending upwards, the strain gauges 301 are arranged to deviate from the transverse bar 300 along the direction from bottom to top of the roadbed layer 101, and the tops of the strain gauges 301 abut against the bottom of the roadbed layer 101.
When the roadbed layer 101 sinks or moves in a dislocation way, the strain data of the two strain gauges 301 can change, so that the settlement and the dislocation movement of the roadbed layer 101 can be accurately monitored.
The strain gauge 301 is in a pre-deformed state so that the strain gauge 301 can be constantly abutted against the bottom of the roadbed layer 101.
The top of the strain gauge 301 extends away from the transverse strip 300 and forms a sheet-like abutment end 302, the abutment end 302 abutting against the bottom of the roadbed layer 101. In this way, by providing the sheet-shaped abutting end 302, the strain gauge 301 can be made to abut against the bottom of the roadbed layer 101 better, the abutting area is increased, and the settlement strain of the roadbed layer 101 is monitored better.
The abutting end 302 is provided with a plurality of protruding structures, and since the bottom of the roadbed layer 101 may have unevenness, by providing the protruding structures, the abutting end 302 can always abut against the bottom of the roadbed layer 101.
The strain gauges 301 on both sides of the transverse bar 300 are arranged in a staggered manner, so that not only can settlement or dislocation movement of the roadbed layer 101 at the same position be monitored, but also settlement or dislocation movement in an inclined direction can be monitored.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The highway safety three-dimensional monitoring device based on the Beidou positioning system is characterized by comprising a background control center, a Beidou monitor, a Beidou base station and a pressure roller, wherein the Beidou monitor is arranged on a roadbed layer and is used for monitoring spatial movement data of the roadbed layer, the pressure roller is arranged at a position to be monitored of a highway, a visual three-dimensional model of the highway is established in the background control center, and the Beidou monitor is communicated with a Beidou satellite through the Beidou base station;
the pressure rollers are arranged in soil body below the roadbed layer and extend along the width direction of the roadbed layer; a strip-shaped pressure sensor is attached to the surface of the pressure roller and arranged along the axial extension of the pressure roller; a positioner is arranged inside the pressure roller; a rotating ring is encircled on the periphery of the Beidou monitor and is driven by a motor to rotate relative to the Beidou monitor, a solar panel which is obliquely arranged is connected to the rotating ring, and a photosensitive sensor is arranged on the solar panel;
the pressure sensor and the positioner are communicated with the background control center through a wireless network, and pressure data and positioning data are embedded into the three-dimensional model to be displayed; the Beidou monitor transmits the acquired space movement data of the roadbed layer to the background control center in real time through the Beidou base station and the Beidou satellite, and the background control center embeds the space movement data into the three-dimensional model for display.
2. The three-dimensional road safety monitoring device based on the Beidou positioning system as set forth in claim 1, wherein the bottom of the Beidou monitor is provided with a mounting seat fixed on a roadbed layer, a mounting groove with an upper end opened is arranged in the mounting seat, the lower part of the Beidou monitor is embedded and fixed in the mounting groove, a mounting interval is arranged between the bottom of the Beidou monitor and the bottom of the mounting groove, and an elastic mounting block is filled in the mounting interval.
3. The three-dimensional road safety monitoring device based on the Beidou positioning system according to claim 2, wherein the mounting seat comprises a ring seat fixed on a roadbed layer and a seat body, the ring seat encloses to form an inner ring space, the seat body is located in the inner ring space, and a gap is formed between the periphery of the seat body and the inner side wall of the ring seat; the inner side wall of the ring seat is provided with a plurality of inclined strips, the inclined strips are arranged at intervals along the circumferential direction of the inner side wall of the ring seat, and the outer ends of the inclined strips extend towards the middle part of the inner ring space in an inclined manner and are fixedly connected to the periphery of the seat body; the mounting groove is arranged in the seat body.
4. The Beidou positioning system-based three-dimensional road safety monitoring device according to claim 3, wherein two sides of the pressure roller are respectively extended outwards to form extension strips, the extension strips are arranged along the axial extension of the pressure roller, the pressure sensors comprise two side pressure sensors, and the side pressure sensors are arranged on the extension strips and are arranged towards the road base layer.
5. The Beidou positioning system based three-dimensional monitoring device for road safety as set forth in claim 4, wherein the bottom of the pressure roller is formed with a flat end face arranged downward, the flat end face is arranged along the axial extension of the pressure roller, the pressure sensor comprises a bottom pressure sensor, and the bottom pressure sensor is arranged on the flat end face and is arranged away from the road base layer.
6. The Beidou positioning system based three-dimensional monitoring device for road safety according to claim 3, characterized in that the Beidou positioning system based three-dimensional monitoring device for road safety comprises transverse strips placed in soil body below a roadbed layer, wherein the transverse strips are arranged in an extending mode along the width direction of the roadbed layer; the both sides of horizontal strip are provided with the foil gage that extends upward and arrange respectively, along the direction from bottom to top of roadbed layer, the foil gage is deviated horizontal strip is arranged, the top butt of foil gage is in the bottom of roadbed layer.
7. The Beidou positioning system based three-dimensional monitoring device for road safety of claim 6, wherein the strain gauge is in a pre-deformation facing state.
8. The Beidou positioning system based three-dimensional road safety monitoring device according to claim 7, wherein the top of the strain gauge extends outwards away from the transverse strip to form a sheet-shaped abutting end, and the abutting end abuts against the bottom of the roadbed layer.
9. The Beidou positioning system based three-dimensional road safety monitoring device according to claim 8, wherein the abutting end is provided with a plurality of protruding structures.
10. The Beidou positioning system based three-dimensional monitoring device for road safety of claim 6, wherein the strain gauges on two sides of the transverse strip are arranged in a staggered mode.
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| CN202011563496.5A CN112782723A (en) | 2020-12-25 | 2020-12-25 | Road safety three-dimensional monitoring device based on Beidou positioning system |
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| CN202011563496.5A CN112782723A (en) | 2020-12-25 | 2020-12-25 | Road safety three-dimensional monitoring device based on Beidou positioning system |
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| CN212175735U (en) * | 2020-03-11 | 2020-12-18 | 华东交通大学 | High-speed railway roadbed settlement monitoring device |
| CN111505990A (en) * | 2020-04-24 | 2020-08-07 | 北京家梦科技有限公司 | Railway geological disaster prevention safety monitoring system and method |
| CN214335230U (en) * | 2020-12-25 | 2021-10-01 | 深圳市天健工程技术有限公司 | Road safety three-dimensional monitoring device based on Beidou positioning system |
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