CN111442831A - Vibration monitoring device for foundation pit blasting excavation - Google Patents

Vibration monitoring device for foundation pit blasting excavation Download PDF

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Publication number
CN111442831A
CN111442831A CN202010477893.4A CN202010477893A CN111442831A CN 111442831 A CN111442831 A CN 111442831A CN 202010477893 A CN202010477893 A CN 202010477893A CN 111442831 A CN111442831 A CN 111442831A
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CN
China
Prior art keywords
vibration monitoring
monitoring device
foundation pit
vibration
blasting excavation
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Pending
Application number
CN202010477893.4A
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Chinese (zh)
Inventor
胡风明
李鸿盛
宋健
闫磊
程龙飞
岳克锋
赵强
曲振宇
张磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Wanzhou Expressway Co Ltd Of Cccc First Highway Engineering Co Ltd
Chongqing Three Gorges University
Original Assignee
Chongqing Wanzhou Expressway Co Ltd Of Cccc First Highway Engineering Co Ltd
Chongqing Three Gorges University
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Publication date
Application filed by Chongqing Wanzhou Expressway Co Ltd Of Cccc First Highway Engineering Co Ltd, Chongqing Three Gorges University filed Critical Chongqing Wanzhou Expressway Co Ltd Of Cccc First Highway Engineering Co Ltd
Priority to CN202010477893.4A priority Critical patent/CN111442831A/en
Publication of CN111442831A publication Critical patent/CN111442831A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention discloses a vibration monitoring device for foundation pit blasting excavation, and mainly relates to the technical field of engineering. The method comprises the following steps: the tracing device is installed at a preset position of a foundation pit side slope; the monitoring component is arranged at a certain distance away from the foundation pit side slope; the monitoring assembly comprises a non-contact vibration monitoring device for acquiring blasting vibration real-time data of the tracer device, a vibration monitoring device for acquiring vibration real-time data of the position of the non-contact vibration monitoring device, a main control device and a power supply assembly. The invention has the beneficial effects that: the method adopts non-contact monitoring, removes the interference of vibration to the non-contact vibration monitoring device at the later stage, has the characteristics of high accuracy, simple operation, small risk and high efficiency, and can perform real-time visual vibration monitoring on the whole slope of blasting excavation.

Description

Vibration monitoring device for foundation pit blasting excavation
Technical Field
The invention relates to the technical field of engineering, in particular to a vibration monitoring device for foundation pit blasting excavation.
Background
Blasting excavation is a high-risk and high-efficiency engineering technology and is frequently used in the engineering field. In recent years, accidents such as instability of a foundation pit side slope, equipment vibration damage and building vibration collapse caused by vibration in the blasting excavation process are endless. Firstly, blasting a foundation pit slope belongs to a high risk area, and monitoring and point arrangement and other complex operations can cause unexpected risks; secondly, the strong impact action generated by blasting has certain interference on the traditional monitoring equipment, so that the monitoring data has great inaccuracy; moreover, the traditional monitoring device can only monitor the displacement, speed, stress and other data of the designated monitoring point independently, and can not realize real-time visual monitoring of multiple parameters of the whole slope. Therefore, the existing foundation pit slope monitoring device or the implementation method has the defects of poor accuracy, complex operation, high risk, low efficiency and the like, and has a space for further improvement.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a vibration monitoring device for foundation pit blasting excavation, which adopts non-contact monitoring and removes the interference of vibration on the non-contact vibration monitoring device at the later stage, has the characteristics of high accuracy, simple operation, small risk and high efficiency, and can perform real-time visual vibration monitoring on the whole slope of blasting excavation.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a vibration monitoring device for blasting excavation of a foundation pit, comprising: the tracing device is installed at a preset position of a foundation pit side slope; the monitoring component is arranged at a certain distance away from the foundation pit side slope; the monitoring assembly comprises a non-contact vibration monitoring device for collecting blasting vibration real-time data of the tracer device, a vibration monitoring device for collecting vibration real-time data of the position of the non-contact vibration monitoring device, a main control device and a power supply assembly, wherein the non-contact vibration monitoring device and the vibration monitoring device are in signal connection with the main control device, and the non-contact vibration monitoring device, the vibration monitoring device and the main control device are all electrically connected with the power supply assembly.
Preferably, the tracer includes alternate annular line sign target of black and white, the bottom of annular line sign target is equipped with the spud pile.
Preferably, be equipped with the tracer light source on the annular line sign target, the tracer light source is connected with the light intensity adjusting part.
Preferably, the non-contact vibration monitoring device comprises an adjustable anti-shake support, a high-precision camera is arranged at the top of the adjustable anti-shake support, the high-precision camera is connected with a control device, and a laser range finder is arranged at the top of the high-precision camera.
Preferably, a wide-angle lens is arranged on the high-precision camera.
Preferably, the high-precision camera is connected with the adjustable anti-shaking support through a rotary joint.
Preferably, the bottom of adjustable anti-shake support is equipped with the fixing base, the bottom of fixing base is equipped with a plurality of collapsible rivet, the fixing base top is equipped with the installation position that suits with adjustable anti-shake support.
Preferably, the vibration monitoring device includes the vibration monitoring display appearance, the vibration monitoring display appearance is connected with three-component velocity sensor, the top middle part of fixing base is equipped with the mounting groove that suits with three-component velocity sensor.
Preferably, the main control device comprises a data analysis device, a notebook computer and a data transmission device.
Preferably, the power supply assembly comprises a mobile power supply assembly and a solar panel assembly.
Compared with the prior art, the invention has the beneficial effects that:
the tracing device is arranged at a preset position of a foundation pit side slope for tracing; the non-contact vibration monitoring device is used for carrying out blasting vibration data acquisition on the position of the foundation pit slope where the tracing device is located and uploading the acquired data to the main control device; the vibration monitoring device is used for acquiring vibration real-time data of the position of the non-contact vibration monitoring device and uploading the acquired data to the main control device; the main control device is used for processing data collected by the non-contact vibration monitoring device and the vibration monitoring device, removing interference of vibration on the non-contact vibration monitoring device, has the characteristics of high accuracy, simplicity in operation, small risk and high efficiency, and can perform real-time visual vibration monitoring on a full side slope of blasting excavation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the construction of the tracer device;
FIG. 3 is a schematic diagram of a non-contact vibration monitoring device;
FIG. 4 is a schematic diagram of a vibration monitoring device;
FIG. 5 is a schematic structural view of the fixing base;
FIG. 6 is a schematic structural diagram of a master control device;
figure 7 is a schematic diagram of the structure of a power supply assembly,
the reference numbers in the drawings: 1. a tracer; 11. an annular grain marking target; 12. fixing the pile; 13. a light intensity adjusting component; 2. a non-contact vibration monitoring device; 21. an adjustable anti-shake bracket; 22. a high-precision camera; 23. a control device; 24. a laser range finder; 25. a wide-angle lens; 26. a rotary joint; 27. a fixed seat; 28. a foldable rivet; 29. an installation position; 3. a vibration monitoring device; 31. a vibration monitoring display instrument; 32. a three-component velocity sensor; 33. mounting grooves; 4. a master control device; 41. a data analysis device; 42. a notebook computer; 43. a data transmitting device; 5. a power supply component; 51. a mobile power supply component; 52. a solar panel assembly.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in fig. 1, the invention provides a vibration monitoring device for foundation pit blasting excavation, comprising: install in tracer 1 of the position department of predetermineeing of foundation ditch side slope, tracer 1 buries underground in the position department of predetermineeing of foundation ditch side slope in order to carry out the tracer, and is concrete, tracer 1 includes black and white alternate annular line sign target 11, and the size of annular line sign target 11 can suitably change according to the interval between tracer 1 and the non-contact vibration monitoring devices 2, tracer 1 can set up to a plurality ofly, and tracer 1's arrangement mode is according to excavation layering or monitoring requirement at the full section of foundation ditch side slope according to certain interval arrangement and establishment serial number. Annular line sign target 11's bottom is equipped with spud pile 12 for annular line sign target 11 is fixed, and is preferred, and for the fixed of annular line sign target, spud pile 12 is most advanced decurrent cross spud pile, inserts ground with tracer 1 on the foundation ditch slope that is monitored in the position department of predetermineeing. Further, in order to improve the applicability of the invention, a tracing light source is arranged on the annular grain marking target 11, the tracing light source is connected with a light intensity adjusting component 13, and the tracing light source and the light intensity adjusting component 13 are only used when the visual field is poor or at night and are not used under the normal condition. Install in the monitoring subassembly of keeping away from foundation ditch side slope certain distance, generally set up in the less position that can conveniently observe of blasting vibration influence, can reduce the blasting vibration to the interference of monitoring subassembly to monitor in remote non-contact's mode. The monitoring assembly comprises a non-contact vibration monitoring device 2 used for collecting blasting vibration real-time data of the tracer device 1, a vibration monitoring device 3 used for collecting vibration real-time data of the position of the non-contact vibration monitoring device 2, a main control device 4 and a power supply assembly 5, wherein the non-contact vibration monitoring device 2 and the vibration monitoring device 3 are in signal connection with the main control device 4, and the non-contact vibration monitoring device 2, the vibration monitoring device 3 and the main control device 4 are all electrically connected with the power supply assembly 5. Specifically, the non-contact vibration monitoring device 2 comprises an adjustable anti-shake support 21, a high-precision camera 22 is mounted at the top of the adjustable anti-shake support 21, the high-precision camera 22 is connected with a control device 23, a laser range finder 24 is arranged at the top of the high-precision camera 22, the adjustable anti-shake support 21 is a tripod, and the adjustable anti-shake support 21 can realize the adjustment of the vertical height of the high-precision camera 22 and has an anti-shake function during blasting vibration; the high-precision camera 22 has high precision and pixels, and the laser range finder 24 is used in cooperation with the high-precision camera 22, so that when the tracking device 1 is initially calibrated, the precision that the error is not more than 0.5m within 1000m can be realized. Preferably, the wide-angle lens 25 is arranged on the high-precision camera 22, when the distance between the non-contact vibration monitoring device 2 and the tracer 1 exceeds 200m, the error of the common high-precision camera 22 increases, at this time, the high-precision camera 22 with the wide-angle lens 25 should be adopted, and the distance between the high-precision camera 21 with the wide-angle lens 25 and the tracer can be up to 1000 m. Further, the high-precision camera 22 is connected with the adjustable anti-shake support 21 through a rotary joint 26, and the shooting angle of the high-precision camera 22 can be adjusted according to the range and the angle of the tracer 1. Further, in order to improve the stability of the non-contact vibration monitoring device, the bottom of the adjustable anti-shake support 21 is provided with a fixed seat 27, the bottom of the fixed seat 27 is provided with a plurality of foldable rivets 28, the top of the fixed seat 27 is provided with mounting positions 29 adapted to the supporting legs of the adjustable anti-shake support 21, and the number of the mounting positions 29 is the same as that of the supporting legs. The vibration monitoring device 3 includes vibration monitoring display instrument 31, vibration monitoring display instrument 31 is connected with three-component velocity sensor 32, and vibration monitoring display instrument 31 can set up adjustment monitoring parameter, and visual monitoring result preserves data automatically, the top middle part of fixing base 27 is equipped with mounting groove 33 that suits with three-component velocity sensor 32, and three-component velocity sensor 32 has the function of vibration parameter such as the speed of accurate three direction of discernment, displacement, acceleration, and three-component velocity sensor 32 is fixed in mounting groove 33 for gather the blasting vibration data at non-contact vibration monitoring device 2 punction. The main control device 4 is in data connection with the non-contact vibration monitoring device 2 and the vibration monitoring device 3, data processing is carried out according to acquired data information, imaging is carried out, and a processing result is sent to an upper computer, the main control device 4 comprises a data analysis device 41, a notebook computer 42 and a data sending device 43, the data analysis device 41 can carry out synchronous processing and analysis on the data acquired by the non-contact vibration monitoring device 2 and the vibration monitoring device 3 and is used for obtaining the vibration of the non-contact vibration monitoring device 2 caused by blasting vibration, the processed data are visually monitored and analyzed through the notebook computer 42, or the processed data are uploaded to a control room through the data sending device 43 in real time. Power supply module 5 includes portable power source module 51, solar cell panel module 52, power supply module 5 is used for giving non-contact vibration monitoring devices 2, vibration monitoring devices 3 and main control unit 4 carry out long-term power supply, look over 220V portable power source module 51's mains voltage before the monitoring begins, guarantee 220V regulated voltage, in the inconvenient area of power consumption, realize uninterrupted power supply through solar cell panel 52, if the monitoring point is equipped with regulated power supply, can adopt existing power.
The method adopts non-contact remote monitoring, removes the interference of vibration on the non-contact vibration monitoring device at the later stage, has the characteristics of high accuracy, simple operation, small risk and high efficiency, and can perform real-time visual vibration monitoring on the blasting excavation whole slope.

Claims (10)

1. The utility model provides a vibration monitoring devices of foundation ditch blasting excavation which characterized in that includes:
the tracing device (1) is installed at a preset position of a foundation pit side slope;
the monitoring component is arranged at a certain distance away from the foundation pit side slope;
the monitoring assembly comprises a non-contact vibration monitoring device (2) for collecting blasting vibration real-time data of the tracer device (1), a vibration monitoring device (3), a main control device (4) and a power supply assembly (5) for collecting vibration real-time data of the position of the non-contact vibration monitoring device (2), wherein the non-contact vibration monitoring device (2) and the vibration monitoring device (3) are all in signal connection with the main control device (4), and the non-contact vibration monitoring device (2), the vibration monitoring device (3) and the main control device (4) are all electrically connected with the power supply assembly (5).
2. The vibration monitoring device for foundation pit blasting excavation according to claim 1, wherein: tracer (1) includes alternate annular line sign target of black and white (11), the bottom of annular line sign target (11) is equipped with spud pile (12).
3. The vibration monitoring device for foundation pit blasting excavation according to claim 2, wherein: be equipped with the spike light source on annular line sign target (11), the spike light source is connected with light intensity adjusting part (13).
4. The vibration monitoring device for foundation pit blasting excavation according to claim 1, wherein: non-contact vibration monitoring devices (2) are including adjustable anti-shake support (21), the top of adjustable anti-shake support (21) is equipped with high accuracy camera (22), high accuracy camera (22) are connected with controlling means (23), the top of high accuracy camera (22) is equipped with laser range finder (24).
5. The vibration monitoring device for foundation pit blasting excavation according to claim 4, wherein: and a wide-angle lens (25) is arranged on the high-precision camera (22).
6. The vibration monitoring device for foundation pit blasting excavation according to claim 4, wherein: the high-precision camera (22) is connected with the adjustable anti-shaking support (21) through a rotary joint (26).
7. The vibration monitoring device for foundation pit blasting excavation according to claim 4, wherein: the bottom of adjustable anti-shake support (21) is equipped with fixing base (27), the bottom of fixing base (27) is equipped with a plurality of collapsible rivet (28), fixing base (27) top is equipped with installation position (29) that suit with adjustable anti-shake support (21).
8. The vibration monitoring device for foundation pit blasting excavation of claim 7, wherein: vibration monitoring devices (3) are including vibration monitoring display appearance (31), vibration monitoring display appearance (31) are connected with three-component velocity sensor (32), the top middle part of fixing base (27) is equipped with mounting groove (33) that suits with three-component velocity sensor (32).
9. The vibration monitoring device for foundation pit blasting excavation according to claim 1, wherein: the main control device (4) comprises a data analysis device (41), a notebook computer (42) and a data transmission device (43).
10. The vibration monitoring device for foundation pit blasting excavation according to claim 1, wherein: the power supply assembly (5) comprises a mobile power supply assembly (51) and a solar panel assembly (52).
CN202010477893.4A 2020-05-29 2020-05-29 Vibration monitoring device for foundation pit blasting excavation Pending CN111442831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010477893.4A CN111442831A (en) 2020-05-29 2020-05-29 Vibration monitoring device for foundation pit blasting excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010477893.4A CN111442831A (en) 2020-05-29 2020-05-29 Vibration monitoring device for foundation pit blasting excavation

Publications (1)

Publication Number Publication Date
CN111442831A true CN111442831A (en) 2020-07-24

Family

ID=71657169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010477893.4A Pending CN111442831A (en) 2020-05-29 2020-05-29 Vibration monitoring device for foundation pit blasting excavation

Country Status (1)

Country Link
CN (1) CN111442831A (en)

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