CN111623941A - Civil engineering structure safety monitoring system - Google Patents
Civil engineering structure safety monitoring system Download PDFInfo
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- CN111623941A CN111623941A CN202010370205.4A CN202010370205A CN111623941A CN 111623941 A CN111623941 A CN 111623941A CN 202010370205 A CN202010370205 A CN 202010370205A CN 111623941 A CN111623941 A CN 111623941A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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Abstract
The invention relates to a civil engineering structure safety monitoring system, which comprises a transverse vibration table (1), a longitudinal vibration table (11), a comprehensive vibration table, data monitoring equipment (23) and a monitor (3), wherein the transverse vibration table is provided with a first vibration motor (2), the longitudinal vibration table (11) is provided with a second vibration motor (8) and a third vibration motor (13), the first vibration motor (2) drives the comprehensive vibration table to move horizontally, the second vibration motor (8) and the third vibration motor (13) drive the comprehensive vibration table to move up and down, the data monitoring equipment (23) monitors the data of a civil engineering structure (22) and sends the data to the monitor (3) for safety monitoring, the monitor (3) adjusts the driving signals of the first vibration motor (2), the second vibration motor (8) and the third vibration motor (13) according to the monitored data, so as to carry out omnibearing safety monitoring.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a monitoring system for civil engineering structure safety.
Background
In the prior art, great importance is attached to safety performance of civil engineering, however, most civil engineering structures are not particularly clear to anti-seismic effect, and some prior art carries out anti-seismic effect test of the civil engineering structures by arranging a simulated vibration platform, but the test mode is only to arrange two different vibration modules, so that specific anti-seismic degree of the civil engineering structures cannot be comprehensively known, and therefore, safety of the civil engineering structures cannot be comprehensively mastered. How to perform accurate safety state monitoring for different civil engineering structures and different structures to improve the safety of the civil engineering structures is one direction of intensive research.
Disclosure of Invention
The invention discloses a civil engineering structure safety monitoring system, which comprises a transverse vibration table (1), a longitudinal vibration table (11), a comprehensive vibration table, data monitoring equipment (23) and a monitor (3), wherein the transverse vibration table (1) is vertically coupled with the longitudinal vibration table (11), the transverse vibration table is vertically arranged, a first vibration motor (2) is arranged in the transverse vibration table, the longitudinal vibration table (11) is horizontally arranged, a second vibration motor (8) and a third vibration motor (13) are arranged in the longitudinal vibration table, the second vibration motor (8) and the third vibration motor (13) can horizontally move along a rolling shaft (7), the first vibration motor (2) drives the comprehensive vibration table to horizontally move, the second vibration motor (8) and the third vibration motor (13) drive the comprehensive vibration table to vertically move, data monitoring facilities (23) monitor civil engineering structure (22) data, send watch-dog (3) carry out safety monitoring, watch-dog (3) are according to the data adjustment of monitoring the drive signal of first vibrating motor (2), second vibrating motor (8) and third vibrating motor (13) to carry out omnidirectional safety monitoring.
Monitoring system of civil engineering structure safety, synthesize shaking table and include first backup pad (18), elastic element (17), second backup pad (16), elastic element (17) can carry out vertical movement from top to bottom and control horizontal migration, set up first backup pad (18) with between second backup pad (16), first backup pad (18) upper surface is provided with two at least recesses, two at least recesses are used for placing civil engineering structure's fixed column (21), the side of two at least recesses all is equipped with push pedal (19) and locking post (20), push rod (19) are used for according to the width of fixed column (21), control the promotion to promote locking post (20) in fixed column (21), it is fixed column (21).
In the monitoring system for civil engineering structure safety, the data monitoring device (23) is also arranged on the upper surface of the first supporting plate (18), the surface of the data monitoring device (23) close to one side of the civil engineering structure is provided with a first data monitor (25) matched with the civil engineering structure, said first data monitor (25) communicating wirelessly or by wire (24) with a second data monitor provided on said civil engineering structure (22), the second data monitor monitors an analog signal of the civil engineering structure, transmitted to the first data monitor (25), the first data monitor (25) monitors analog signals on the first support plate (18) and received data of a second data monitor, and converts the monitored analog signals and the received data into digital signals, which are transmitted to the monitor (3).
According to the civil engineering structure safety monitoring system, a rolling shaft supporting plate (6) is arranged on the lower surface of the longitudinal vibration table (11), and a first limiting supporting column (5), a second limiting supporting column (10), a third limiting supporting column (12), a fourth limiting supporting column (15), a first longitudinal vibration driving block (9) and a second longitudinal vibration driving block (14) are arranged on the upper surface of the longitudinal vibration table; the second vibration motor (8) and the third vibration motor (13) can move left and right along a rolling shaft (7) to control the position of longitudinal vibration, the rolling shaft (7) is arranged inside the rolling shaft support plate (6) and is used for fixedly supporting the rolling shaft (7), the first limiting support column (5), the second limiting support column (10), the third limiting support column (12) and the fourth limiting support column (15) respectively comprise a transverse column and a longitudinal column, the transverse column is used for limiting the maximum displacement of the second vibration motor (8) and the third vibration motor (13) in the left and right movement mode, the longitudinal column is used for supporting the second support plate (16), and the variable-diameter cylindrical blocks of the first longitudinal vibration driving block (9) and the second longitudinal vibration driving block (14) which gradually increase in diameter along the circumference are respectively driven by the second vibration motor (8) and the third vibration motor (13) to rotate around the circle center, due to the variable diameter design, the second supporting plate (16) is driven to vibrate up and down along with rotation.
According to the civil engineering structure safety monitoring system, the longitudinal columns are embedded into the second supporting plate (16) so as to avoid left and right deviation in the vertical vibration process of the second supporting plate (16).
Civil engineering structure safety's monitoring system, transverse vibration platform (1) inside fixed transverse vibration motor (2) that sets up, transverse vibration motor (2) drive transverse vibration piece (4), transverse vibration piece (4) drive transverse vibration piece (18) carry out transverse vibration.
The monitoring system for the safety of the civil engineering structure comprises a monitor (3) and a data receiving and converting module, a processing module, a driving module, a storage module, a display module and a driving adjusting module, wherein the data receiving and converting module is used for receiving digital signals transmitted by a first data monitor (25), transmitting time information to the digital signals after being matched with the time information, transmitting the time information to the processing module, judging whether the driving signals need to be adjusted or not after the processing module analyzes and processes data, sending driving adjusting signals to the driving adjusting module if the driving signals need to be adjusted, transmitting the driving adjusting signals to the driving adjusting module after the driving adjusting module receives the driving adjusting signals, performing vibration driving adjustment and transmitting the driving adjusting signals to the driving module, and the driving module receives signals sent by the driving adjusting module and drives a transverse vibration motor (2), The display module is used for displaying safety states of the civil engineering structure (22) in different vibration states, and the storage module is used for storing information of the vibration states and the safety states of the civil engineering structure (22).
The monitoring system for civil engineering structure safety comprises a switch tube M1-M13, a capacitor C1, a resistor R1, a variable resistor R2 and a current source Iref, wherein one non-controllable end of each of the switch tubes M1, M5, M9, M10 and M11 is connected with a power supply VDD, the other non-controllable end of the switch tube M1 is connected with one non-controllable end of the switch tube M2, the other non-controllable end of the switch tube M2 is respectively connected with one non-controllable end of the switch tube M3, the other non-controllable end of the switch tube M1 and the controllable end of the switch tube M5, the other non-controllable end of the switch tube M3 is respectively connected with one non-controllable end of the switch tube M4 and the other non-controllable end of the switch tube M12, and the other non-controllable end of the switch tube M4 is grounded; the other non-controllable end of the switch tube M5 is connected with one non-controllable end of the switch tube M6, the other non-controllable end of the switch tube M6 is respectively connected with one non-controllable end of the switch tube M7, one end of the capacitor C1 and the controllable end of the switch tube M9, the controllable end of the switch tube M6 is connected with the controllable end of the switch tube M2, the other non-controllable end of the switch tube M7 is respectively connected with one non-controllable end of the switch tube M8 and the other non-controllable end of the switch tube M13, the other non-controllable end of the switch tube M8 is grounded, the controllable end of the switch tube M8 is connected with the controllable end of the switch tube M4, the other non-controllable end of the switch tube M9 is connected with the other end of the capacitor C1 and one end of the resistor R1, the other end of the resistor R1 is connected with one end of the variable resistor R2, and the other end of the variable resistor R2 is grounded; the other end of the switch tube M10 is connected with one end of a current source Iref and the controllable end of the switch tube M11, the controllable end of the switch tube M11 is connected with the switch tube M10, and the other end of the current source Iref is grounded; the other non-controllable end of the switch tube M11 is connected to a non-controllable end of the switch tube M12 and a non-controllable end of the switch tube M13, respectively, the controllable end of the switch tube M12 is connected to one end of the variable resistor R2, the controllable end of the switch tube M13 is connected to the processing module, the variable end of the variable resistor R2 is connected to the processing module, and the other non-controllable end of the switch tube M9 is connected to the driving module.
In the civil engineering structure safety monitoring system, after the processing module analyzes and processes the data, the judging whether the driving signal needs to be adjusted specifically comprises: the method comprises the steps that a first fixed step length of a preset driving signal is increased, after data are analyzed and processed by a processing module, whether the current civil engineering structure is in a safety critical value or not is judged, and if the current civil engineering structure does not reach the safety critical value, the driving signal is increased according to the first fixed step length of the preset driving signal so as to drive a transverse vibration motor (2), a second vibration motor (8) and a third vibration motor (13) to increase vibration; if the civil engineering structure is in the safety critical value, recording the combination of the driving signals of the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) as a first combination signal, then adjusting the positions of the second vibration motor (8) and the third vibration motor (13) on the horizontal plane, moving the second vibration motor (8) and the third vibration motor (13) to a first position deviated from a preset central position by controlling the rolling shaft (7) to roll, then driving the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) according to the first combination signal, judging whether the civil engineering structure is in the safety critical value, if not, adjusting the driving signals of the second vibration motor (8) and the third vibration motor (13) until the civil engineering structure is in the safety critical value, recording the driving signal at the moment as a first sub-combination signal, then sequentially adjusting the second vibration motor (8) and the third vibration motor (13) to move to a second position deviated from a preset central position, determining that the civil engineering structure is at a safety critical value, and recording the driving signal at the moment as a second sub-combination signal until recording the sub-combination signal at the position of the most edge of the second vibration motor (8) and the third vibration motor (13);
then, the first fixed step length is adjusted to a second fixed step length, the driving signals of the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) are combined according to the second fixed step length to be used as a second combined signal, and the second sub-combined signal and the third sub-combined signal are obtained according to the mode.
In the civil engineering structure safety monitoring system, the processing module regulates the driving signal output to the driving module by sending a control signal to the controllable end of the switching tube M4 and the variable end of the variable resistor R2; the management module compares the vibration signal of the civil engineering structure received by the first data monitor (25) with the vibration signal of the first supporting plate (18), and determines the adjustment mode of the vibration signal combination signal according to the comparison result.
The invention has the beneficial effects that: according to the invention, the vibration table of the civil engineering structure is arranged, so that the safety performance of the civil engineering structure can be monitored and judged, and the safety of the civil engineering structure is improved according to the safety performance test. One of the main improvement points of the invention is that a transverse vibration table and a longitudinal vibration table are arranged, and a comprehensive vibration table is arranged in a matching way, so that a plurality of different vibration driving combinations can be comprehensively arranged, the test of the civil engineering structure facing to a plurality of different vibration modes can be carried out, and the civil engineering structure can be conveniently adapted to different potential safety hazards; the vibration table is suitable for various vibration environments, and the vibration mode of the vibration motor can be quickly adjusted through the driving adjusting module. As a further improvement of the invention, the processing module can adjust the position of the longitudinal vibration motor, and therefore, the processing module can be matched with and test various different combined signals and sub-combined signals to carry out processing control on the current state of the civil engineering structure in an all-round way.
Drawings
Fig. 1 is a schematic view of a monitoring system for civil engineering structure safety according to the present invention.
FIG. 2 is a schematic diagram of a drive conditioning module of the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in figure 1, the invention discloses a schematic diagram of a civil engineering structure safety monitoring system, which comprises a transverse vibration table (1), a longitudinal vibration table (11), a comprehensive vibration table, a data monitoring device (23) and a monitor (3), wherein the transverse vibration table (1) is vertically coupled with the longitudinal vibration table (11), the transverse vibration table is vertically arranged, a first vibration motor (2) is arranged in the transverse vibration table, the longitudinal vibration table (11) is horizontally arranged, a second vibration motor (8) and a third vibration motor (13) are arranged in the longitudinal vibration table, the second vibration motor (8) and the third vibration motor (13) can horizontally move along a rolling shaft (7), the first vibration motor (2) drives the comprehensive vibration table to horizontally move, the second vibration motor (8) and the third vibration motor (13) drive the comprehensive vibration table to move up and down, data monitoring facilities (23) monitor civil engineering structure (22) data, send watch-dog (3) carry out safety monitoring, watch-dog (3) are according to the data adjustment of monitoring the drive signal of first vibrating motor (2), second vibrating motor (8) and third vibrating motor (13) to carry out omnidirectional safety monitoring.
Monitoring system of civil engineering structure safety, synthesize shaking table and include first backup pad (18), elastic element (17), second backup pad (16), elastic element (17) can carry out vertical movement from top to bottom and control horizontal migration, set up first backup pad (18) with between second backup pad (16), first backup pad (18) upper surface is provided with two at least recesses, two at least recesses are used for placing civil engineering structure's fixed column (21), the side of two at least recesses all is equipped with push pedal (19) and locking post (20), push rod (19) are used for according to the width of fixed column (21), control the promotion to promote locking post (20) in fixed column (21), it is fixed column (21).
In the monitoring system for civil engineering structure safety, the data monitoring device (23) is also arranged on the upper surface of the first supporting plate (18), the surface of the data monitoring device (23) close to one side of the civil engineering structure is provided with a first data monitor (25) matched with the civil engineering structure, said first data monitor (25) communicating wirelessly or by wire (24) with a second data monitor provided on said civil engineering structure (22), the second data monitor monitors an analog signal of the civil engineering structure, transmitted to the first data monitor (25), the first data monitor (25) monitors analog signals on the first support plate (18) and received data of a second data monitor, and converts the monitored analog signals and the received data into digital signals, which are transmitted to the monitor (3).
According to the civil engineering structure safety monitoring system, a rolling shaft supporting plate (6) is arranged on the lower surface of the longitudinal vibration table (11), and a first limiting supporting column (5), a second limiting supporting column (10), a third limiting supporting column (12), a fourth limiting supporting column (15), a first longitudinal vibration driving block (9) and a second longitudinal vibration driving block (14) are arranged on the upper surface of the longitudinal vibration table; the second vibration motor (8) and the third vibration motor (13) can move left and right along a rolling shaft (7) to control the position of longitudinal vibration, the rolling shaft (7) is arranged inside the rolling shaft support plate (6) and is used for fixedly supporting the rolling shaft (7), the first limiting support column (5), the second limiting support column (10), the third limiting support column (12) and the fourth limiting support column (15) respectively comprise a transverse column and a longitudinal column, the transverse column is used for limiting the maximum displacement of the second vibration motor (8) and the third vibration motor (13) in the left and right movement mode, the longitudinal column is used for supporting the second support plate (16), and the variable-diameter cylindrical blocks of the first longitudinal vibration driving block (9) and the second longitudinal vibration driving block (14) which gradually increase in diameter along the circumference are respectively driven by the second vibration motor (8) and the third vibration motor (13) to rotate around the circle center, due to the variable diameter design, the second supporting plate (16) is driven to vibrate up and down along with rotation.
According to the civil engineering structure safety monitoring system, the longitudinal columns are embedded into the second supporting plate (16) so as to avoid left and right deviation in the vertical vibration process of the second supporting plate (16).
Civil engineering structure safety's monitoring system, transverse vibration platform (1) inside fixed transverse vibration motor (2) that sets up, transverse vibration motor (2) drive transverse vibration piece (4), transverse vibration piece (4) drive transverse vibration piece (18) carry out transverse vibration.
The monitoring system for the safety of the civil engineering structure comprises a monitor (3) and a data receiving and converting module, a processing module, a driving module, a storage module, a display module and a driving adjusting module, wherein the data receiving and converting module is used for receiving digital signals transmitted by a first data monitor (25), transmitting time information to the digital signals after being matched with the time information, transmitting the time information to the processing module, judging whether the driving signals need to be adjusted or not after the processing module analyzes and processes data, sending driving adjusting signals to the driving adjusting module if the driving signals need to be adjusted, transmitting the driving adjusting signals to the driving adjusting module after the driving adjusting module receives the driving adjusting signals, performing vibration driving adjustment and transmitting the driving adjusting signals to the driving module, and the driving module receives signals sent by the driving adjusting module and drives a transverse vibration motor (2), The display module is used for displaying safety states of the civil engineering structure (22) in different vibration states, and the storage module is used for storing information of the vibration states and the safety states of the civil engineering structure (22).
As shown in fig. 2, which is a schematic diagram of the driving adjustment module of the present invention, the driving adjustment module includes switching tubes M1-M13, a capacitor C1, a resistor R1, a variable resistor R2, and a current source Iref, one non-controllable end of each of the switching tubes M1, M5, M9, M10, and M11 is connected to the power VDD, another non-controllable end of the switching tube M1 is connected to one non-controllable end of the switching tube M2, another non-controllable end of the switching tube M2 is respectively connected to one non-controllable end of the switching tube M3 and the controllable ends of the switching tubes M1 and M5, another non-controllable end of the switching tube M3 is respectively connected to one non-controllable end of the switching tube M4 and the other non-controllable end of the switching tube M12, and another non-controllable end of the switching tube M4 is grounded; the other non-controllable end of the switch tube M5 is connected with one non-controllable end of the switch tube M6, the other non-controllable end of the switch tube M6 is respectively connected with one non-controllable end of the switch tube M7, one end of the capacitor C1 and the controllable end of the switch tube M9, the controllable end of the switch tube M6 is connected with the controllable end of the switch tube M2, the other non-controllable end of the switch tube M7 is respectively connected with one non-controllable end of the switch tube M8 and the other non-controllable end of the switch tube M13, the other non-controllable end of the switch tube M8 is grounded, the controllable end of the switch tube M8 is connected with the controllable end of the switch tube M4, the other non-controllable end of the switch tube M9 is connected with the other end of the capacitor C1 and one end of the resistor R1, the other end of the resistor R1 is connected with one end of the variable resistor R2, and the other end of the variable resistor R2 is grounded; the other end of the switch tube M10 is connected with one end of a current source Iref and the controllable end of the switch tube M11, the controllable end of the switch tube M11 is connected with the switch tube M10, and the other end of the current source Iref is grounded; the other non-controllable end of the switch tube M11 is connected to a non-controllable end of the switch tube M12 and a non-controllable end of the switch tube M13, respectively, the controllable end of the switch tube M12 is connected to one end of the variable resistor R2, the controllable end of the switch tube M13 is connected to the processing module, the variable end of the variable resistor R2 is connected to the processing module, and the other non-controllable end of the switch tube M9 is connected to the driving module.
In the civil engineering structure safety monitoring system, after the processing module analyzes and processes the data, the judging whether the driving signal needs to be adjusted specifically comprises: the method comprises the steps that a first fixed step length of a preset driving signal is increased, after data are analyzed and processed by a processing module, whether the current civil engineering structure is in a safety critical value or not is judged, and if the current civil engineering structure does not reach the safety critical value, the driving signal is increased according to the first fixed step length of the preset driving signal so as to drive a transverse vibration motor (2), a second vibration motor (8) and a third vibration motor (13) to increase vibration; if the civil engineering structure is in the safety critical value, recording the combination of the driving signals of the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) as a first combination signal, then adjusting the positions of the second vibration motor (8) and the third vibration motor (13) on the horizontal plane, moving the second vibration motor (8) and the third vibration motor (13) to a first position deviated from a preset central position by controlling the rolling shaft (7) to roll, then driving the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) according to the first combination signal, judging whether the civil engineering structure is in the safety critical value, if not, adjusting the driving signals of the second vibration motor (8) and the third vibration motor (13) until the civil engineering structure is in the safety critical value, recording the driving signal at the moment as a first sub-combination signal, then sequentially adjusting the second vibration motor (8) and the third vibration motor (13) to move to a second position deviated from a preset central position, determining that the civil engineering structure is at a safety critical value, and recording the driving signal at the moment as a second sub-combination signal until recording the sub-combination signal at the position of the most edge of the second vibration motor (8) and the third vibration motor (13);
then, the first fixed step length is adjusted to a second fixed step length, the driving signals of the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) are combined according to the second fixed step length to be used as a second combined signal, and the second sub-combined signal and the third sub-combined signal are obtained according to the mode.
In the civil engineering structure safety monitoring system, the processing module regulates the driving signal output to the driving module by sending a control signal to the controllable end of the switching tube M4 and the variable end of the variable resistor R2; the management module compares the vibration signal of the civil engineering structure received by the first data monitor (25) with the vibration signal of the first supporting plate (18), and determines the adjustment mode of the vibration signal combination signal according to the comparison result.
The invention has the beneficial effects that: according to the invention, the vibration table of the civil engineering structure is arranged, so that the safety performance of the civil engineering structure can be monitored and judged, and the safety of the civil engineering structure is improved according to the safety performance test. One of the main improvement points of the invention is that a transverse vibration table and a longitudinal vibration table are arranged, and a comprehensive vibration table is arranged in a matching way, so that a plurality of different vibration driving combinations can be comprehensively arranged, the test of the civil engineering structure facing to a plurality of different vibration modes can be carried out, and the civil engineering structure can be conveniently adapted to different potential safety hazards; the vibration table is suitable for various vibration environments, and the vibration mode of the vibration motor can be quickly adjusted through the driving adjusting module. As a further improvement of the invention, the processing module can adjust the position of the longitudinal vibration motor, and therefore, the processing module can be matched with and test various different combined signals and sub-combined signals to carry out processing control on the current state of the civil engineering structure in an all-round way.
Claims (10)
1. The civil engineering structure safety monitoring system is characterized by comprising a transverse vibration table (1), a longitudinal vibration table (11), a comprehensive vibration table, data monitoring equipment (23) and a monitor (3), wherein the transverse vibration table (1) is vertically coupled with the longitudinal vibration table (11), the transverse vibration table is vertically arranged, a first vibration motor (2) is arranged in the transverse vibration table, the longitudinal vibration table (11) is horizontally arranged, a second vibration motor (8) and a third vibration motor (13) are arranged in the longitudinal vibration table, the second vibration motor (8) and the third vibration motor (13) can horizontally move along a rolling shaft (7), the first vibration motor (2) drives the comprehensive vibration table to horizontally move, the second vibration motor (8) and the third vibration motor (13) drive the comprehensive vibration table to vertically move, data monitoring facilities (23) monitor civil engineering structure (22) data, send watch-dog (3) carry out safety monitoring, watch-dog (3) are according to the data adjustment of monitoring the drive signal of first vibrating motor (2), second vibrating motor (8) and third vibrating motor (13) to carry out omnidirectional safety monitoring.
2. Civil engineering structure safety monitoring system as claimed in claim 1, the comprehensive vibration table comprises a first supporting plate (18), an elastic element (17) and a second supporting plate (16), the elastic element (17) can move vertically up and down and horizontally left and right and is arranged between the first supporting plate (18) and the second supporting plate (16), the upper surface of the first supporting plate (18) is provided with at least two grooves for placing fixing columns (21) of a civil engineering structure, the side edges of the at least two grooves are provided with a push plate (19) and a locking column (20), the push rod (19) is used for pushing left and right according to the width of the fixed column (21), to push the locking stud (20) into the fixing stud (21), fixing the fixing stud (21).
3. A monitoring system of civil engineering structure safety according to claim 2, characterised in that the data monitoring device (23) is further placed on the upper surface of the first support plate (18), the surface of the data monitoring device (23) near one side of the civil engineering structure is provided with a first data monitor (25) matching the civil engineering structure, the first data monitor (25) communicates wirelessly or by wire (24) with a second data monitor provided on the civil engineering structure (22), the second data monitor monitors analog signals of the civil engineering structure, transmits to the first data monitor (25), the first data monitor (25) monitors analog signals on the first support plate (18) and data of the received second data monitor, and converts the monitored analog signals and the received data into digital signals, to the monitor (3).
4. The civil engineering structure safety monitoring system as claimed in claim 2, wherein the longitudinal vibration table (11) is provided with a rolling axis support plate (6) on the lower surface thereof, and a first limit support column (5), a second limit support column (10), a third limit support column (12), a fourth limit support column (15), a first longitudinal vibration driving block (9) and a second longitudinal vibration driving block (14) on the upper surface thereof; the second vibration motor (8) and the third vibration motor (13) can move left and right along a rolling shaft (7) to control the position of longitudinal vibration, the rolling shaft (7) is arranged inside the rolling shaft support plate (6) and is used for fixedly supporting the rolling shaft (7), the first limiting support column (5), the second limiting support column (10), the third limiting support column (12) and the fourth limiting support column (15) respectively comprise a transverse column and a longitudinal column, the transverse column is used for limiting the maximum displacement of the second vibration motor (8) and the third vibration motor (13) in the left and right movement mode, the longitudinal column is used for supporting the second support plate (16), and the variable-diameter cylindrical blocks of the first longitudinal vibration driving block (9) and the second longitudinal vibration driving block (14) which gradually increase in diameter along the circumference are respectively driven by the second vibration motor (8) and the third vibration motor (13) to rotate around the circle center, due to the variable diameter design, the second supporting plate (16) is driven to vibrate up and down along with rotation.
5. Civil engineering structure safety monitoring system according to claim 4, characterised in that the longitudinal posts are embedded inside the second support plate (16) to avoid side-to-side deviations during the up-and-down oscillation of the second support plate (16).
6. Civil engineering structure safety monitoring system according to claim 2, characterised in that the transverse oscillating table (1) is internally and fixedly provided with a transverse oscillating motor (2), the transverse oscillating motor (2) drives a transverse oscillating mass (4), and the transverse oscillating mass (4) drives the first support plate (18) to oscillate transversely.
7. The civil engineering structure safety monitoring system as claimed in claim 2, wherein the monitor (3) comprises a data receiving and converting module, a processing module, a driving module, a storage module, a display module and a driving and adjusting module, the data receiving and converting module is configured to receive the digital signal transmitted by the first data monitor (25), transmit the digital signal with time information added, match the digital signal with the time information, and transmit the digital signal to the processing module, the processing module analyzes and processes the data, determines whether the driving signal needs to be adjusted, and if the driving signal needs to be adjusted, transmits the driving and adjusting signal to the driving and adjusting module, the driving and adjusting module receives the driving and adjusting signal and transmits the driving and adjusting signal to the driving module, and the driving module receives the signal transmitted by the driving and adjusting module to drive the transverse vibration motor (2), The display module is used for displaying safety states of the civil engineering structure (22) in different vibration states, and the storage module is used for storing information of the vibration states and the safety states of the civil engineering structure (22).
8. The civil engineering structure safety monitoring system as claimed in claim 7, wherein the driving adjustment module comprises switching tubes M1-M13, a capacitor C1, a resistor R1, a variable resistor R2 and a current source Iref, one non-controllable end of each of the switching tubes M1, M5, M9, M10 and M11 is connected to the power supply VDD, the other non-controllable end of the switching tube M1 is connected to one non-controllable end of the switching tube M2, the other non-controllable end of the switching tube M2 is connected to one non-controllable end of the switching tube M3 and the controllable end of the switching tube M1 and the controllable end of the switching tube M5, the other non-controllable end of the switching tube M3 is connected to one non-controllable end of the switching tube M4 and the other non-controllable end of the switching tube M12, and the other non-controllable end of the switching tube M4 is grounded; the other non-controllable end of the switch tube M5 is connected with one non-controllable end of the switch tube M6, the other non-controllable end of the switch tube M6 is respectively connected with one non-controllable end of the switch tube M7, one end of the capacitor C1 and the controllable end of the switch tube M9, the controllable end of the switch tube M6 is connected with the controllable end of the switch tube M2, the other non-controllable end of the switch tube M7 is respectively connected with one non-controllable end of the switch tube M8 and the other non-controllable end of the switch tube M13, the other non-controllable end of the switch tube M8 is grounded, the controllable end of the switch tube M8 is connected with the controllable end of the switch tube M4, the other non-controllable end of the switch tube M9 is connected with the other end of the capacitor C1 and one end of the resistor R1, the other end of the resistor R1 is connected with one end of the variable resistor R2, and the other end of the variable resistor R2 is grounded; the other end of the switch tube M10 is connected with one end of a current source Iref and the controllable end of the switch tube M11, the controllable end of the switch tube M11 is connected with the switch tube M10, and the other end of the current source Iref is grounded; the other non-controllable end of the switch tube M11 is connected to a non-controllable end of the switch tube M12 and a non-controllable end of the switch tube M13, respectively, the controllable end of the switch tube M12 is connected to one end of the variable resistor R2, the controllable end of the switch tube M13 is connected to the processing module, the variable end of the variable resistor R2 is connected to the processing module, and the other non-controllable end of the switch tube M9 is connected to the driving module.
9. The civil engineering structure safety monitoring system of claim 8, wherein the processing module, after analyzing and processing the data, determining whether the driving signal needs to be adjusted specifically comprises: the method comprises the steps that a first fixed step length of a preset driving signal is increased, after data are analyzed and processed by a processing module, whether the current civil engineering structure is in a safety critical value or not is judged, and if the current civil engineering structure does not reach the safety critical value, the driving signal is increased according to the first fixed step length of the preset driving signal so as to drive a transverse vibration motor (2), a second vibration motor (8) and a third vibration motor (13) to increase vibration; if the civil engineering structure is in the safety critical value, recording the combination of the driving signals of the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) as a first combination signal, then adjusting the positions of the second vibration motor (8) and the third vibration motor (13) on the horizontal plane, moving the second vibration motor (8) and the third vibration motor (13) to a first position deviated from a preset central position by controlling the rolling shaft (7) to roll, then driving the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) according to the first combination signal, judging whether the civil engineering structure is in the safety critical value, if not, adjusting the driving signals of the second vibration motor (8) and the third vibration motor (13) until the civil engineering structure is in the safety critical value, recording the driving signal at the moment as a first sub-combination signal, then sequentially adjusting the second vibration motor (8) and the third vibration motor (13) to move to a second position deviated from a preset central position, determining that the civil engineering structure is at a safety critical value, and recording the driving signal at the moment as a second sub-combination signal until recording the sub-combination signal at the position of the most edge of the second vibration motor (8) and the third vibration motor (13);
then, the first fixed step length is adjusted to a second fixed step length, the driving signals of the transverse vibration motor (2), the second vibration motor (8) and the third vibration motor (13) are combined according to the second fixed step length to be used as a second combined signal, and the second sub-combined signal and the third sub-combined signal are obtained according to the mode.
10. The civil engineering structure safety monitoring system of claim 9, wherein the processing module regulates the driving signal output to the driving module by sending a control signal to the controllable terminal of the switching tube M4 in cooperation with the variable terminal of the variable resistor R2; the management module compares the vibration signal of the civil engineering structure received by the first data monitor (25) with the vibration signal of the first supporting plate (18), and determines the adjustment mode of the vibration signal combination signal according to the comparison result.
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