CN112855268A - Underground excavation subway station concrete unilateral die carrier deformation monitoring device - Google Patents
Underground excavation subway station concrete unilateral die carrier deformation monitoring device Download PDFInfo
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- CN112855268A CN112855268A CN202110057531.4A CN202110057531A CN112855268A CN 112855268 A CN112855268 A CN 112855268A CN 202110057531 A CN202110057531 A CN 202110057531A CN 112855268 A CN112855268 A CN 112855268A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 238000009412 basement excavation Methods 0.000 title claims description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 37
- 238000009415 formwork Methods 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a deformation monitoring device for a concrete single-side formwork of a subsurface excavated subway station, which comprises a sensor group and an external monitoring terminal, wherein the external monitoring terminal comprises a monitoring host, a display screen is arranged on the front end surface of the monitoring host, a plurality of alarm indicating lamps are arranged below the display screen, alarm loudspeakers are respectively arranged on two sides of the monitoring host, a plurality of sensing signal acquisition interfaces are also arranged on one side of the monitoring host, a main control board is arranged inside the monitoring host, and the sensor group is arranged on the concrete single-side formwork.
Description
Technical Field
The invention relates to the technical field of single-side formwork deformation monitoring, in particular to a device for monitoring the deformation of a concrete single-side formwork of an underground excavated subway station.
Background
The formwork support is a key object for safety control in the construction process of the subway building. Many construction accidents with group death and group injury are caused by the collapse of the formwork support.
In the prior art, a formwork deformation monitoring and early warning device does not exist temporarily, so that a monitoring device is needed to be designed for monitoring the deformation of the formwork.
Disclosure of Invention
The invention aims to provide a deformation monitoring device for a concrete single-side formwork of an underground excavated subway station, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a secretly dig subway station concrete unilateral die carrier deformation monitoring device, includes sensor group and outside monitoring terminal, outside monitoring terminal includes the monitoring host, terminal surface installation display screen before the monitoring host, a plurality of alarm indicator of display screen below installation, warning loudspeaker are installed respectively to the monitoring host both sides, a plurality of sensing signal acquisition interfaces of monitoring host one side still installation, monitoring host internally mounted main control board, the sensor group is installed on concrete unilateral die carrier.
Preferably, the sensor group comprises two bending sensors, two inclination sensors and two displacement sensors, and the two bending sensors, the two inclination sensors and the two displacement sensors are respectively and symmetrically arranged on two sides of the concrete unilateral formwork.
Preferably, the main control panel is provided with a controller, a sensing signal acquisition and amplification unit, a storage unit, a comparison unit, a database unit, an alarm unit and a signal transmission unit, wherein the input end of the signal acquisition and amplification unit is respectively connected with a curvature sensor, an inclination sensor and a displacement sensor, the output end of the signal acquisition and amplification unit is connected with the controller, the storage unit, the comparison unit, the database unit and the alarm unit are respectively connected with the controller, and the controller is connected with the background monitoring center through the signal transmission unit.
Preferably, the sensing signal acquisition and amplification unit comprises a triode A, a triode B, a triode C, a triode D, a triode E and a triode F, wherein an emitting electrode of the triode A is connected with one end of a resistor J, a base electrode of the triode A is connected with a collector electrode of the triode E, and a collector electrode of the triode A is respectively connected with one end of a capacitor A, one end of a resistor D and one end of a resistor E; the base electrode of the triode B is connected with the other end of the resistor E, the other end of the capacitor A and one end of the resistor F, and the emitting electrode of the triode B is respectively connected with the emitting electrode of the triode C and one end of the resistor G; the triode D emitting electrode is connected with one end of a resistor A, the base electrode is connected with the base electrode of the triode E, the emitting electrode of the triode E is connected with one end of a resistor B, and the other end of the resistor A is respectively connected with the other end of the resistor B, the other end of the resistor J and the other end of the resistor C; the triode F base is connected with one end of a resistor C, the triode F collector is connected with one end of a resistor H, the other end of the resistor H is connected with the base of the triode C, the triode F emitter is connected with one end of a resistor I, and the other end of the resistor I is respectively connected with the other end of a resistor G, the other end of a capacitor B and the other end of a resistor D
Preferably, the using method comprises the following steps:
A. the bending sensor, the inclination sensor and the displacement sensor are used for respectively acquiring a bending signal, an inclination signal and a displacement signal of the concrete single-side formwork;
B. if the concrete single-side mould frame deforms, the sensor group immediately acquires a sensing signal;
C. the sensing signal acquisition and amplification unit is used for accurately amplifying a plurality of acquired sensing signals and then transmitting the amplified sensing signals to the controller;
D. the controller converts the analog signal into a digital signal and outputs the digital signal to a threshold value prestored in a database unit for comparison;
E. if a certain numerical value exceeds the threshold value, an alarm signal is sent out immediately, and meanwhile, a deformation numerical value is displayed on a display screen of the monitoring host machine in real time for reference of technicians.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure and working principle and high intelligent degree, can acquire the curvature, the inclination and the inclination displacement distance of the concrete single-side formwork in real time, can immediately send out an alarm signal when monitoring abnormal data, is convenient for technical personnel to process in time, and ensures the construction safety; the sensing signal acquisition and amplification unit has strong anti-interference capability, can amplify and output the acquired sensing signal, and can effectively improve the acquisition precision of the vehicle sensing signal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the control scheme of the present invention;
fig. 3 is a circuit diagram of a sensing signal acquisition amplifying unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a monitoring device is warp to undercut subway station concrete unilateral die carrier, includes sensor group and outside monitoring terminal, outside monitoring terminal includes monitoring host 1, terminal surface installation display screen 2 before monitoring host 1, a plurality of alarm indicator 3 of 2 below installations of display screen, alarm loudspeaker 4 is installed respectively to 1 both sides of monitoring host, 1 one side of monitoring host still installs a plurality of sensing signal acquisition interface 5, 1 internally mounted main control board 6 of monitoring host, the sensor group is installed on concrete unilateral die carrier.
The sensor group comprises two bending sensors 7, two inclination sensors 8 and two displacement sensors 9, wherein the two bending sensors 7, the two inclination sensors 8 and the two displacement sensors 9 are respectively and symmetrically arranged on two sides of the concrete unilateral formwork.
In the invention, a controller 10, a sensing signal acquisition and amplification unit 11, a storage unit 12, a comparison unit 13, a database unit 14, an alarm unit 15 and a signal transmission unit 16 are arranged on a main control panel 6, the input end of the signal acquisition and amplification unit 11 is respectively connected with a curvature sensor 7, an inclination sensor 8 and a displacement sensor 9, the output end of the signal acquisition and amplification unit 11 is connected with the controller 10, the storage unit 12, the comparison unit 13, the database unit 14 and the alarm unit 15 are respectively connected with the controller 10, and the controller 10 is connected with a background monitoring center 17 through the signal transmission unit 11.
In the invention, the sensing signal acquisition and amplification unit 11 comprises a triode A1B, a triode B2B, a triode C3B, a triode D4B, a triode E5B and a triode F6B, wherein an emitter of the triode A1B is connected with one end of a resistor J10a, a base of the triode A1B is connected with a collector of the triode E5B, and a collector of the triode A1B is respectively connected with one end of a capacitor A1C, one end of a resistor D4a and one end of a resistor E5 a; the base electrode of the triode B2B is connected with the other end of the resistor E5a, the other end of the capacitor A1C and one end of the resistor F6a, and the emitter electrodes are respectively connected with the emitter electrode of the triode C3B and one end of the resistor G7 a; the collector of the triode C3B is connected with the collector of a triode E5B, the base of the triode C3B is connected with one end of a capacitor C3C, the other end of the capacitor C3C is connected with a signal input end, the emitter of the triode D4B is connected with one end of a resistor A1a, the base of the triode E5B is connected, the emitter of the triode E5B is connected with one end of a resistor B2a, and the other end of the resistor A1a is respectively connected with the other end of a resistor B2a, the other end of a resistor J10a and the other end of a; the base of the triode F6B is connected with one end of a resistor C3a, the collector of the triode F6B is connected with one end of a resistor H8a, the other end of the resistor H8a is connected with the base of a triode C3B, the emitter of the triode F6B is connected with one end of a resistor I9a, and the other end of a resistor I9a is respectively connected with the other end of a resistor G7a, the other end of a capacitor B2C and the other end of a resistor D4 a.
The working principle is as follows: the using method of the invention comprises the following steps:
A. the bending sensor, the inclination sensor and the displacement sensor are used for respectively acquiring a bending signal, an inclination signal and a displacement signal of the concrete single-side formwork;
B. if the concrete single-side mould frame deforms, the sensor group immediately acquires a sensing signal;
C. the sensing signal acquisition and amplification unit is used for accurately amplifying a plurality of acquired sensing signals and then transmitting the amplified sensing signals to the controller;
D. the controller converts the analog signal into a digital signal and outputs the digital signal to a threshold value prestored in a database unit for comparison;
E. if a certain numerical value exceeds the threshold value, an alarm signal is sent out immediately, and meanwhile, a deformation numerical value is displayed on a display screen of the monitoring host machine in real time for reference of technicians.
In conclusion, the concrete single-side formwork monitoring system is simple in structural working principle and high in intelligent degree, can acquire the curvature, the inclination and the inclination displacement distance of the concrete single-side formwork in real time, can immediately send out an alarm signal when abnormal data are monitored, is convenient for technicians to timely process, and ensures the construction safety; the sensing signal acquisition and amplification unit has strong anti-interference capability, can amplify and output the acquired sensing signal, and can effectively improve the acquisition precision of the vehicle sensing signal.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a secretly dig subway station concrete unilateral die carrier deformation monitoring device, includes sensor group and outside monitoring terminal, its characterized in that: the external monitoring terminal comprises a monitoring host (1), a display screen (2) is installed on the front end face of the monitoring host (1), a plurality of alarm indicator lamps (3) are installed below the display screen (2), alarm horns (4) are installed on two sides of the monitoring host (1) respectively, a plurality of sensing signal acquisition interfaces (5) are further installed on one side of the monitoring host (1), a main control board (6) is installed inside the monitoring host (1), and a sensor group is installed on a concrete one-side formwork.
2. The underground excavation subway station concrete unilateral die carrier deformation monitoring device of claim 1, characterized in that: the sensor group comprises two bending sensors (7), two inclination sensors (8) and two displacement sensors (9), wherein the two bending sensors (7), the two inclination sensors (8) and the two displacement sensors (9) are respectively and symmetrically arranged on two sides of the concrete unilateral formwork.
3. The underground excavation subway station concrete unilateral die carrier deformation monitoring device of claim 1, characterized in that: install controller (10), sensing signal acquisition amplifying unit (11), memory cell (12), comparing unit (13), database unit (14), alarm unit (15) and signal transmission unit (16) on main control board (6), crookedness sensor (7), gradient sensor (8) and displacement sensor (9) are connected respectively to signal acquisition amplifying unit (11) input, output connection director (10), memory cell (12), comparing unit (13), database unit (14), alarm unit (15) connect controller (10) respectively, backstage monitoring center (17) is connected through signal transmission unit (16) in controller (10).
4. The underground excavation subway station concrete unilateral die carrier deformation monitoring device of claim 3, characterized in that: the sensing signal acquisition and amplification unit comprises a triode A (1B), a triode B (2B), a triode C (3B), a triode D (4B), a triode E (5B) and a triode F (6B), wherein an emitting electrode of the triode A (1B) is connected with one end of a resistor J (10a), a base electrode of the triode A (5B) is connected with a collector electrode of the triode E, and the collector electrode of the triode A (1B) is respectively connected with one end of a capacitor A (1C), one end of a resistor D (4a) and one end of a resistor E (5 a); the base electrode of the triode B (2B) is connected with the other end of the resistor E (5a), the other end of the capacitor A (1C) and one end of the resistor F (6a), and the emitting electrode is respectively connected with the emitting electrode of the triode C (3B) and one end of the resistor G (7 a); the collector of the triode C (3B) is connected with the collector of the triode E (5B), the base of the triode C (3B) is connected with one end of a capacitor C (3C), the other end of the capacitor C (3C) is connected with a signal input end, the emitter of the triode D (4B) is connected with one end of a resistor A (1a), the base of the triode C (5B) is connected with the base of the triode E, the emitter of the triode E (5B) is connected with one end of a resistor B (2a), and the other end of the resistor A (1a) is respectively connected with the other end of the resistor B (2a), the other end of a resistor J (10a) and the other end of; triode F (6B) base connecting resistance C (3a) one end, triode F (6B) collecting electrode connecting resistance H (8a) one end, triode C (3B) base is connected to resistance H (8a) other end, triode F (6B) projecting pole connecting resistance I (9a) one end, resistance I (9a) other end are the connecting resistance G (7a) other end, electric capacity B (2C) other end and resistance D (4a) other end respectively.
5. The use method of the underground excavation subway station concrete unilateral formwork deformation monitoring device of claim 1 is realized, and is characterized in that: the using method comprises the following steps:
A. the bending sensor, the inclination sensor and the displacement sensor are used for respectively acquiring a bending signal, an inclination signal and a displacement signal of the concrete single-side formwork;
B. if the concrete single-side mould frame deforms, the sensor group immediately acquires a sensing signal;
C. the sensing signal acquisition and amplification unit is used for accurately amplifying a plurality of acquired sensing signals and then transmitting the amplified sensing signals to the controller;
D. the controller converts the analog signal into a digital signal and outputs the digital signal to a threshold value prestored in a database unit for comparison;
E. if a certain numerical value exceeds the threshold value, an alarm signal is sent out immediately, and meanwhile, a deformation numerical value is displayed on a display screen of the monitoring host machine in real time for reference of technicians.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110057531.4A CN112855268A (en) | 2021-01-15 | 2021-01-15 | Underground excavation subway station concrete unilateral die carrier deformation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110057531.4A CN112855268A (en) | 2021-01-15 | 2021-01-15 | Underground excavation subway station concrete unilateral die carrier deformation monitoring device |
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| CN112855268A true CN112855268A (en) | 2021-05-28 |
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| CN202110057531.4A Pending CN112855268A (en) | 2021-01-15 | 2021-01-15 | Underground excavation subway station concrete unilateral die carrier deformation monitoring device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843230A (en) * | 2017-10-31 | 2018-03-27 | 成都市第四建筑工程公司 | High and big die plate fastener type support frame deformation monitoring method and system based on BIM |
| CN110006674A (en) * | 2018-11-09 | 2019-07-12 | 王永泉 | A kind of monitoring method of high form-tie assembly Instability real-time early warning |
| CN111220117A (en) * | 2019-12-30 | 2020-06-02 | 浙江瑞邦科特检测有限公司 | Dynamic monitoring method and device for deformation of formwork support |
| CN211205394U (en) * | 2020-02-27 | 2020-08-07 | 山东城市建设职业学院 | Comprehensive monitoring system for working state of formwork support |
| CN111824097A (en) * | 2020-07-27 | 2020-10-27 | 盐城工学院 | ABS control system and method for electro-hydraulic combined braking |
| CN112071021A (en) * | 2020-08-13 | 2020-12-11 | 中国十七冶集团有限公司 | Early warning method of high formwork-supporting real-time safety monitoring early warning system based on BIM application technology |
-
2021
- 2021-01-15 CN CN202110057531.4A patent/CN112855268A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843230A (en) * | 2017-10-31 | 2018-03-27 | 成都市第四建筑工程公司 | High and big die plate fastener type support frame deformation monitoring method and system based on BIM |
| CN110006674A (en) * | 2018-11-09 | 2019-07-12 | 王永泉 | A kind of monitoring method of high form-tie assembly Instability real-time early warning |
| CN111220117A (en) * | 2019-12-30 | 2020-06-02 | 浙江瑞邦科特检测有限公司 | Dynamic monitoring method and device for deformation of formwork support |
| CN211205394U (en) * | 2020-02-27 | 2020-08-07 | 山东城市建设职业学院 | Comprehensive monitoring system for working state of formwork support |
| CN111824097A (en) * | 2020-07-27 | 2020-10-27 | 盐城工学院 | ABS control system and method for electro-hydraulic combined braking |
| CN112071021A (en) * | 2020-08-13 | 2020-12-11 | 中国十七冶集团有限公司 | Early warning method of high formwork-supporting real-time safety monitoring early warning system based on BIM application technology |
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