CN214843165U - Device for three-dimensional monitoring of geological disasters - Google Patents
Device for three-dimensional monitoring of geological disasters Download PDFInfo
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- CN214843165U CN214843165U CN202121446435.0U CN202121446435U CN214843165U CN 214843165 U CN214843165 U CN 214843165U CN 202121446435 U CN202121446435 U CN 202121446435U CN 214843165 U CN214843165 U CN 214843165U
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Abstract
Device of geological disasters three-dimensional monitoring, the device includes: a stable side base point, an unstable side measuring point and a monitoring and early warning device host (3); the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a pulley and a cable, and when the unstable side measuring point is subjected to displacement change, the length of the cable between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column are correspondingly changed; the monitoring and early warning device host (3) monitors the length change of a cable between the stable side base point and the unstable side measuring point and the inclination angle change of a supporting column through a linear displacement sensor and an inclinometer so as to monitor the displacement change of a geological disaster target area.
Description
Technical Field
The utility model relates to a technical field of geological disasters prevention and cure especially relates to device of geological disasters three-dimensional monitoring.
Background
In the prevention and treatment of geological disasters, the geological disasters are generally monitored, and early warning is given according to monitoring change trends. The displacement monitoring of the earth surface is an important index for monitoring geological disasters, and the existing displacement monitoring of the earth surface generally adopts a total station survey robot and a GNSS monitoring station.
The total station measurement robot needs to build a special observation room on a monitoring site, is easily influenced by factors such as weather, terrain, distance, shelters and the like, is not suitable for long-term automatic monitoring in the field, and has high construction cost. The GNSS monitoring station is used for measuring through a Beidou satellite and a GPS positioning method, is used for monitoring earth surface three-dimensional (X/Y/Z) absolute displacement amount, displacement direction and displacement rate, can cover a certain range, is limited by terrain slightly, is greatly influenced by device data resolving time, weather and signal shielding, needs to be configured with fixed observation points on site, needs to be provided with more monitoring points to build a network, and has higher requirements on required equipment and higher construction cost. More importantly, the above means can only monitor the displacement change of a single displacement point, and cannot monitor the change of slope of the slope surface.
SUMMERY OF THE UTILITY MODEL
For solving the problem of the prior art above, the utility model discloses a design a be suitable for the field to lay, wide range, the geological disasters three-dimensional monitoring's of high accuracy method and device according to theoretical mechanics basis to survey the horizontal displacement of the geological disasters body, subside deformation and slope table slope.
The utility model provides a device of three-dimensional monitoring of geological disasters, include: the system comprises a stable side base point, an unstable side measuring point and a monitoring and early warning device host; the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a pulley and a cable, and when the unstable side measuring point is subjected to displacement change, the length of the cable between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column are correspondingly changed; the monitoring and early warning device host monitors the length change of a cable between the stable side base point and the unstable side measuring point and the inclination angle change of a supporting column through a linear displacement sensor and an inclinometer so as to monitor the displacement change of a geological disaster target area.
In one embodiment, the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a universal wheel, a steel wire rope, a fixed pulley and a weight block; the universal wheel is arranged on the supporting column of the stable side base point, the fixed pulley is arranged on the supporting column of the unstable side measuring point, the steel wire rope winds the universal wheel, extends and winds the fixed pulley, and the tail end of the steel wire rope is suspended with the heavy block, so that when the unstable side measuring point is displaced and changed, the length of the steel wire rope between the fixed pulley and the heavy block is unchanged, the length of the steel wire rope between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column of the unstable side measuring point are changed correspondingly, and the supporting column is fixedly arranged on the steel concrete foundation pier.
In one embodiment, linear displacement sensors are provided on the casters to monitor changes in the overall length of the wire rope, and inclinometers are provided on the crown block to monitor changes in the inclination of the support columns at the points on the unstable side.
Through the utility model provides a three-dimensional monitoring devices of geological disasters, the data direct calculation that monitoring early warning device host computer was gathered according to the device, output length variation volume triangle L0, vertical displacement triangle H, the displacement measurement value, the X axle inclination changes, the Y axle inclination changes, monitoring early warning device host computer differentiates length variation volume triangle L0, vertical displacement triangle H, the displacement measurement value, the X axle inclination changes, the Y axle inclination changes whether reaches the setting limit value, if reach then device automatic start reports to the police.
The device is used for carrying out wireless transmission based on a GSM/GPRS network, a remote server realizes field and remote data and monitoring control synchronization by controlling and reading monitoring data, a geological disaster area target body basic model is constructed at a server terminal by calculating the displacement change of each unstable side measuring point relative to a stable side base point, and data fitting is carried out to obtain the displacement and deformation trend of the geological disaster target area.
Drawings
Fig. 1 is the utility model discloses a geological disasters three-dimensional monitoring devices's schematic diagram.
Fig. 2 is the utility model discloses a geological disasters three-dimensional monitoring devices's monitoring early warning device host computer's schematic diagram.
FIG. 3 is a schematic diagram of the calculation of the present invention
In the figure: supporting the pile 1; a steel concrete foundation pier 2; a monitoring and early warning device host 3; a gimbal 4; a linear displacement sensor 5; a stainless steel protective case 6; a wire rope 7; a fixed pulley 8; an I-shaped fixing bracket 9; an inclinometer 10; a hanging ring 11; a heavy object block 12; an equipment box 31; a touch screen device 32; a touch screen protective pocket 32; an audible and visual alarm 34; a threading hole 35.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, feature details such as specific configurations and components are provided only to help a full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
Examples
The utility model particularly relates to a geological disasters three-dimensional monitoring devices, as shown in fig. 1, include: a stable side base point and an unstable side measuring point;
the stable side base points are arranged on a stable surface, for example, on a stationary foundation such as bedrock. The steel concrete pier comprises support columns 1 and steel concrete foundation piers 2 which are arranged on site, wherein the support columns 1 are fixedly arranged on the steel concrete foundation piers 2; the monitoring and early warning device host 3 can be fixedly arranged in the middle of the support column 1; the universal support 4 is fixedly installed on the upper portion of the support column 1, the steel wire rope 7 is wound on a universal wheel which is pivotally fixed on the universal support 4, and preferably, a stainless steel protection box 6 is arranged outside to protect a linear displacement sensor 5 for monitoring the movement of the steel wire rope 7 and a universal wheel cover;
the unstable side measuring point is arranged on an unstable surface and comprises a support pillar 1 and a reinforced concrete foundation pier 2 which are arranged on site, and the support pillar 1 is fixedly arranged on the reinforced concrete foundation pier 2; the upper portion of support column 1 installs fixed pulley 8 through I shape fixed bolster 9, and steel wire rope 7 lower extreme hangs heavy object piece 12 through rings 11 to walk around fixed pulley 8, stainless steel protection box 6 protects inclinometer 10 and fixed the setting on I shape fixed bolster 9.
Thus, a support column 1, a reinforced concrete foundation pier 2, a monitoring and early warning device host 3, a universal support 4, a linear displacement sensor 5, a stainless steel protective box 6, a steel wire rope 7, a fixed pulley 8, an I-shaped fixed support 9, an inclinometer 10, a lifting ring 11 and a weight block 12 which are arranged on site are connected with one another to form an integrated monitoring and alarming system; the support columns 1 are respectively arranged at a stable side base point and an unstable side measuring point on site, the bottoms of the support columns are fixed by adopting a steel concrete foundation pier 2, the stable side support columns 1 are connected with a linear displacement sensor 5 through a universal support 4, a stainless steel protection box 6 is covered on the stable side support columns 1, the unstable side support columns 1 are respectively connected with a fixed pulley 8 and an inclinometer 10 through an I-shaped fixed support 9, and the stainless steel protection box 6 is covered on the unstable side support columns 1; the linear position sensor 5 on the stable side supporting column 1 adopts a steel wire rope 7 to pass through a fixed pulley 8 on the unstable side supporting column 1 and then is connected with a heavy object block 12 through a hanging ring 11.
As shown in fig. 2, the monitoring and early warning device main unit 3 is composed of an equipment box 31, a touch screen device 32, a protection box 33 and an audible and visual alarm 34, is fixed on the stable side support column 1, and is connected with the linear displacement sensor 5 and the inclinometer 10 through a cable via a reserved threading hole 35.
So, geological disaster three-dimensional monitoring's device includes: the system comprises a stable side base point, an unstable side measuring point and a monitoring and early warning device host; the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a pulley and a cable, and when the unstable side measuring point is subjected to displacement change, the length of the cable between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column are correspondingly changed; the monitoring and early warning device host monitors the length change of a cable between the stable side base point and the unstable side measuring point and the inclination angle change of a supporting column through a linear displacement sensor and an inclinometer so as to monitor the displacement change of a geological disaster target area.
In one embodiment, the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a universal wheel, a steel wire rope, a fixed pulley and a weight block; the universal wheel is arranged on the supporting column of the stable side base point, the fixed pulley is arranged on the supporting column of the unstable side measuring point, the steel wire rope winds around the universal wheel, extends and winds around the fixed pulley, and the end of the steel wire rope is suspended with the heavy block, so that when the unstable side measuring point is displaced and changed, the length of the steel wire rope between the fixed pulley and the heavy block is unchanged, and the length of the steel wire rope between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column of the unstable side measuring point are changed correspondingly.
In one embodiment, linear displacement sensors are provided on the casters to monitor changes in the overall length of the wire rope, and inclinometers are provided on the crown block to monitor changes in the inclination of the support columns at the points on the unstable side.
The supporting columns are respectively arranged on a stable side base point and an unstable side measuring point on site, a steel wire rope is adopted to connect a linear displacement sensor on the stable side with a fixed pulley on the unstable side through a hanging ring at the bottom and a heavy object block, meanwhile, the linear displacement sensor and an inclinometer are connected into a monitoring and early warning device host through the cable, basic parameters such as installation angle, line length and the like and warning values are set on site through a touch screen device, based on a corresponding theoretical mechanical basic formula, the horizontal displacement, settlement deformation value and inclination angle of a geological disaster body are output on site, real-time monitoring is carried out, and site acousto-optic alarm is triggered when the numerical value exceeds the limit. Meanwhile, the device carries out wireless transmission based on a GSM/GPRS network, and the remote server can control and read monitoring data in real time, so that field and remote data and monitoring control synchronization are realized. And calculating the displacement change of each measuring point relative to the stable base point through professional software, constructing a geological disaster area target body basic model at the server terminal, and performing data fitting to obtain the displacement and deformation trend of the geological disaster target area.
The monitoring process of the present invention is further described below in conjunction with fig. 3.
In the process of monitoring the deformation displacement of the unstable side measuring point, the length L2 between the fixed pulley 8 and the weight block 12 of the unstable side measuring point is kept constant, so the change of the total line length L0 comes from the change of the length L1 of the steel wire rope 7 between the stable side base point and the unstable side measuring point. When the length L1' of the wire rope 7 between the universal wheel and the fixed sheave 8 after the change in the deformation displacement of the unstable side measuring point and the length L1 of the wire rope 7 between the two wheels at the start are combined, it can be seen that the change value of the total length L0 of the wire rope 7 is:
△L0＝L1'-L1。
and the height difference of the fixed pulley 8 at the beginning of the displacement change of the measurement point on the unstable side is monitored:
the monitoring change value of the total line length obtained by integration is as follows:
thereby deducing:
the monitoring value of the change of the inclination angle (X axis and Y axis) of the supporting column is directly measured by an inclinometer fixed on the supporting column 1 of the unstable side measuring point.
Based on the method, the collected data can be directly calculated on the monitoring and early warning device host 3, and parameters such as length variation quantity delta L0, vertical displacement delta H, displacement meter measurement value, X-axis inclination angle variation, Y-axis inclination angle variation and the like can be output.
Further, an alarm threshold may be set for the above parameters.
The device monitors and calculates the result in real time, judges whether the alarm value reaches the set limit value or not, and automatically starts the alarm if the alarm value reaches the set limit value.
The upper limit values of the X-axis inclination angle and the Y-axis inclination angle are the upper limit values of the actual measurement values of the inclination angle sensors fixed on the unstable side measurement point support columns 1, the device monitors and calculates the results in real time, and simultaneously judges whether the set limit values are reached or not, if so, the device automatically starts to alarm. If any one of the 4 real-time monitoring variables reaches the set upper limit value, the alarm can be sent out on site
The utility model has the advantages that:
1. the horizontal displacement, the settlement deformation and the slope surface inclination value are calculated based on the theoretical mechanical basis, high-precision measurement and calculation are achieved, data are reliable, and the influence of other factors is small.
2. The equipment device installed on the site can be adjusted at any time according to the site working conditions, and the field complicated field area and the terrain conditions are met. The mesh-shaped point positions can be arranged by matching a plurality of stable side base points with unstable side measuring points.
3. The field device host computer adopts the design of touch screen device, according to the difference of on-the-spot installation operating mode condition, sets up necessary basic parameter such as line length, angle immediately, and the monitoring data is updated in real time, and data is real-time synchronous, and monitoring data overrun on-the-spot triggers audible and visual alarm, and the on-the-spot can inquire monitoring curve and warning log etc. at any time, and data can be exported by the USB flash disk.
4. The data acquisition and signal control of the field device host can also be carried out on the basis of a GSM/GPRS network for wireless transmission, the remote server can read monitoring data, the field and remote monitoring control synchronization is realized, and short message alarm or network alarm at the server end is realized through monitoring data analysis.
5. The device equipment device can be adjusted according to actual conditions on site, and the adjusted on-site monitoring host can be independently formed into a device which can be used as geological disaster displacement/crack emergency monitoring equipment and can be expanded to different environments such as landslide cracks, rock body cracks, house settlement, inclination and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (3)
1. Geological disaster three-dimensional monitoring device includes:
a stable side base point, an unstable side measuring point and a monitoring and early warning device host (3);
the method is characterized in that:
the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a pulley and a cable, and when the unstable side measuring point is subjected to displacement change, the length of the cable between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column are correspondingly changed;
the monitoring and early warning device host (3) monitors the length change of a cable between the stable side base point and the unstable side measuring point and the inclination angle change of a supporting column through a linear displacement sensor and an inclinometer so as to monitor the displacement change of a geological disaster target area,
wherein the support columns are fixedly arranged on the reinforced concrete foundation pier.
2. The apparatus of claim 1, wherein: the stable side base point and the unstable side measuring point are connected through a device matched with a supporting column, a universal wheel, a steel wire rope (7), a fixed pulley (8) and a heavy object block (12);
the universal wheel is arranged on a supporting column of a stable side base point, the fixed pulley (8) is arranged on a supporting column of an unstable side measuring point, the steel wire rope (7) winds the universal wheel, extends and winds the fixed pulley (8), and a weight block (12) is hung at the tail end of the steel wire rope (7), so that when the unstable side measuring point is displaced and changed, the length of the steel wire rope (7) between the fixed pulley (8) and the weight block (12) is unchanged, and the length of the steel wire rope (7) between the stable side base point and the unstable side measuring point and the inclination angle of the supporting column of the unstable side measuring point are changed correspondingly.
3. The apparatus of claim 2, wherein: the linear displacement sensor is arranged on the universal wheel to monitor the total length change of the steel wire rope (7), and the inclinometer is arranged on the fixed pulley (8) to monitor the inclination change of the supporting column of the unstable side measuring point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121446435.0U CN214843165U (en) | 2021-06-29 | 2021-06-29 | Device for three-dimensional monitoring of geological disasters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121446435.0U CN214843165U (en) | 2021-06-29 | 2021-06-29 | Device for three-dimensional monitoring of geological disasters |
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| CN214843165U true CN214843165U (en) | 2021-11-23 |
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