CN108918837A - Bridge total state multifunctional intellectual health monitoring systems - Google Patents
Bridge total state multifunctional intellectual health monitoring systems Download PDFInfo
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- CN108918837A CN108918837A CN201810739182.2A CN201810739182A CN108918837A CN 108918837 A CN108918837 A CN 108918837A CN 201810739182 A CN201810739182 A CN 201810739182A CN 108918837 A CN108918837 A CN 108918837A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 230000036541 health Effects 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007405 data analysis Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000004044 response Effects 0.000 abstract description 3
- 230000003862 health status Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/42—Road-making materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to bridge monitorings, detection technique field, and in particular to a kind of vertical frequency of bridge, torsional frequency, the vibration shape, damping, roughness and the health monitoring systems of damage judgement.Including：Tractor, connecting elements, measurement vehicle, signal collection and processing system.Tractor is the dynamic traction device of this bridge total state multifunctional intellectual health monitoring systems, connecting elements is to connect tractor and measurement vehicle, signal collection device is installed in measurement vehicle, measurement vehicle moves on detection bridge, or it is still on bridge, bridge Dynamic Signal is picked up, signal data is carried out eventually by signal processing apparatus, obtains the health status of bridge.The present invention has the characteristics that mobility, economy, high-efficient, can pick up and handle bridge dynamic response easy, effectively, in real time, obtain more accurate bridge health data, monitor for beam, detection field provides a kind of feasible method.
Description
Technical field
The present invention relates to bridge monitorings, detection technique field, and in particular to a kind of vertical frequency of bridge, torsional frequency, vibration
Type, damping, roughness and damage position, degree judgement health monitoring systems.
Background technique
Traditional bridge monitoring system is method measured directly, and this method needs install big quantity sensor on bridge,
Somewhat expensive, reusable property are poor.Installation, disassembly, maintenance and the maintenance of instrument all rely on field operation simultaneously, it is also necessary to
Bridge is blocked, is a kind of severe jamming for transport services.Bridges in Our Country enormous amount at present, traditional bridge monitoring system was both
Uneconomical and serious obstruction common people's trip requirements.Therefore, it needs to explore and solve economy under the conditions of not influencing the masses of the people trip
Property good method, realize the monitoring of bridge health situation.
Summary of the invention
The object of the present invention is to provide a kind of bridge total state multifunctional intellectual health monitoring systems, it is characterised in that:Packet
Include tractor, measurement vehicle, connecting elements and signal collection and processing system.
The connecting elements mainly includes measurement vehicle end link, flexural pivot I, long connecting rod, flexural pivot II, tractor end link, cunning
Slot, slot inner slider, setscrew
Flexural pivot I and flexural pivot II include a ball node, and the both ends of the ball node are connecting rods.
Described measurement vehicle end link one end is interconnecting piece, the other end is the end of thread.The end of thread of the measurement vehicle end link
It is connect with the connecting rod of I one end of flexural pivot.The end of thread of the connecting rod connection long connecting rod of I other end of flexural pivot.The long connecting rod
Both ends be the end of thread, an end of thread is connect with flexural pivot I, another end of thread is connect with flexural pivot II.The flexural pivot II 1
The connecting rod at end and the end of thread of long connecting rod connect, the connecting rod of the other end is connect with tractor end link.The tractor end
Connecting rod one end is that the end of thread, the other end are fixed in the plate face of slot inner slider.The end of thread and flexural pivot of the tractor end link
II connecting rod is connected.The sliding slot is one section of inner bead channel steel.The slot inner slider is located at the inside of inner bead channel steel.It is described
Slot inner slider has a threaded hole.From the side backwards to sliding slot, setscrew is screwed in from the threaded hole of slot inner slider.Pine
When opening the setscrew, slot inner slider can slide above and below along the chute.When fastening the setscrew, setscrew
The slot bottom of inner bead channel steel is held out against, slot inner slider side holds out against the crimping of inner bead channel steel.
The tail portion of the tractor have one perpendicular to horizontal plane plate.The sliding slot is fixed backwards to the side of flexural pivot II
On the plate.
The measurement vehicle includes car bonnet, sweep, counterweight, axle, wheel, damper and flexible cushion block.
The axle is fixed on the top of sweep.The both ends of the axle are installed by wheel.It installs the upper surface of the sweep
Car bonnet.It is designed using basket-hanging, entire car body is suspended in axle hereinafter, the center of gravity of measurement vehicle concentrates on immediately below axle.Institute
It states measurement vehicle and flexible cushion block is installed towards the side of connecting rod.The flexibility cushion block side is fixed on wooden handcart, and the other side is solid
It is scheduled on the interconnecting piece of measurement vehicle end link.
Signal collection and processing system include the signal transducer of one or more acquisition vibration signals.Signal transducer position
In on measurement vehicle.During tractor draws measurement vehicle, vibration signal is acquired.
Further, axle quality is measure vehicle car body gross mass 80%, and rest part is measurement vehicle car body gross mass
20%.
Further, the counterweight can be placed on wooden handcart to change measurement vehicle car body frequency.
Further, the damper can be placed on wooden handcart, to reduce measurement vehicle body oscillating.
Further, the flexible cushion block is rubber or other soft and flexible materials, to slow down tractor
Vibration is incoming.
Further, the wheel of vehicle is measured using adjustable tire, and tire is replaceable, changes car body resistance by changing tire
Buddhist nun, vertical rigidity and car body frequency.
Further, signal collection and processing system signal transducer collection vibration signal, are passed by signal transmitting apparatus
Defeated included signal to signal amplifying apparatus, after data analysis carried out by signal processing apparatus.
Further, the signal transmitting apparatus in signal collection and processing system can take wired or wireless signal transmission side
Formula.
Further, displacement type, velocity profile, acceleration type sensor and visual sensor, signal can be used in signal transducer
Sensor can be placed at axle.
The solution have the advantages that unquestionable, it is possible to provide a kind of good economy performance, bridge high-efficient, mobility is good
Beam health monitoring device can carry out the monitoring of bridge health state, the number that will be measured in the case where not influencing the masses of the people trip
According to being handled, bridge health state can be obtained.
Detailed description of the invention
Fig. 1 is a kind of bridge total state multifunctional intellectual health monitoring systems structural representation provided in an embodiment of the present invention
Figure；
Fig. 2 is measurement bassinet structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is connecting elements structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is sliding slot of the present invention, inner slider schematic diagram；
Fig. 5 is the flexible cushion block schematic diagram of the present invention；
Fig. 6 is a kind of signal collection and processing system structural schematic diagram that inventive embodiments provide.
In figure：Tractor (1), measurement vehicle (2), car bonnet (201), wooden handcart (202), counterweight (203), axle (204), wheel
(205), damper (206), flexible cushion block (207), connecting rod (3), measurement vehicle end link (301), flexural pivot I (302), long company
Bar (303), flexural pivot II (304), tractor end link (305), sliding slot (306), slot inner slider (307), setscrew
(308), signal collection and processing system (4), signal transducer (401), signal transmitting apparatus I (402), signal amplifying apparatus
(403), signal transmitting apparatus II (404), signal processing apparatus (405).
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
A kind of bridge total state multifunctional intellectual health monitoring systems, including tractor 1, measurement vehicle 2,3 and of connecting elements
Signal collection and processing system 4.
The connecting elements 3 mainly includes measurement vehicle end link 301, flexural pivot I 302, long connecting rod 303, flexural pivot II 304, leads
Draw vehicle end link 305, sliding slot 306, slot inner slider 307, setscrew 308
Flexural pivot I 302 and flexural pivot II 304 include a ball node, and the both ends of the ball node are connecting rods.
Described 301 one end of measurement vehicle end link is interconnecting piece, the other end is the end of thread.The measurement vehicle end link 301
The end of thread is connect with the connecting rod of I 302 one end of flexural pivot.The spiral shell of the connecting rod connection long connecting rod 303 of I 302 other end of flexural pivot
Line end.The both ends of the long connecting rod 303 are the ends of thread, and an end of thread connect with flexural pivot I 302, another end of thread and ball
Cut with scissors II 304 connections.The connecting rod of described II 304 one end of flexural pivot connect with the end of thread of long connecting rod 303, the connecting rod of the other end with
Tractor end link 305 connects.Described 305 one end of tractor end link is that the end of thread, the other end are fixed on slot inner slider 307
In plate face.The end of thread of the tractor end link 305 is connected with the connecting rod of flexural pivot II 304.The sliding slot 306 is in one section
Lipped channel.The slot inner slider 307 is located at the inside of inner bead channel steel.The slot inner slider 307 has a threaded hole.From
Backwards to the side of sliding slot 306, setscrew 308 is screwed in from the threaded hole of slot inner slider 307.Unclamp the setscrew
When 308, slot inner slider 307 can 306 upper and lower sliding along the chute.When fastening the setscrew 308, setscrew 308 is pushed up
The slot bottom of tight inner bead channel steel, 307 side of slot inner slider holds out against the crimping of inner bead channel steel.
The tail portion of the tractor 1 have one perpendicular to horizontal plane plate.The sliding slot 306 is backwards to flexural pivot II 304
Side is fixed on the plate.
The measurement vehicle 2 includes car bonnet 201, sweep 202, counterweight 203, axle 204, wheel 205, damper 206 and soft
Property cushion block 207.
The axle 204 is fixed on the top of sweep 202.The both ends of the axle 204 are installed by wheel 205.The sweep
202 upper surface is installed by car bonnet 201.It is designed using basket-hanging, entire car body is suspended in axle 204 hereinafter, measuring the weight of vehicle 2
The heart concentrates on immediately below axle 204.In embodiment, 204 mass of axle is measure 2 car body gross mass of vehicle 80%, rest part
It is the 20% of measurement 2 car body gross mass of vehicle.The counterweight 203 can be placed on wooden handcart 202 to change measurement 2 car body of vehicle frequency
Rate.Damper 206 is placed on wooden handcart 202, to reduce the vibration of measurement 2 car body of vehicle.Wheel 205 uses adjustable tire,
Tire is replaceable, changes car body damping, vertical rigidity and car body frequency by changing tire.Measure car bonnet, the sweep of vehicle
It is designed using basket-hanging, entire car body is suspended in axle hereinafter, the center of gravity of measurement vehicle concentrates on immediately below axle, there is good stabilization
Property and single-degree-of-freedom vehicle geometrical property.
The measurement vehicle 2 installs flexible cushion block 207 towards the side of connecting rod 3.207 side of the flexibility cushion block is fixed
On wooden handcart 202, the other side is fixed on the interconnecting piece of measurement vehicle end link 301, flexible cushion block 207 be rubber or it is other soft and
Flexible material, the vibration to slow down tractor are incoming.The height and survey of the adjusting tractor end link 305 of sliding slot 306
It is identical to measure the height of vehicle end link 301, tightens setscrew 308, then is separately connected flexural pivot I 302 and flexural pivot II 304 with both ends
Long connecting rod 303 connects tractor 1 and measurement vehicle 2, at this point, measurement vehicle end link 301 is horizontal, measures vehicle 2 only by horizontal pull.
Signal collection and processing system 4 include the signal transducer 401 of one or more acquisition vibration signals.Sensing
Device 401 is located on measurement vehicle 2.
Tractor 1 is the dynamic traction device of this bridge total state multifunctional intellectual health monitoring systems, traction measurement vehicle 2
It is moved on bridge to be measured, detection vehicle 2 can move on bridge floor under the traction of tractor 1, while can also be still in bridge floor
On.
Referring to Fig. 5, a kind of signal collection and processing system that bridge total state multifunctional intellectual health monitoring systems provide
Structural schematic diagram, when this bridge total state multifunctional intellectual health monitoring systems move or be still on unknown bridge it is unknown
When on bridge, vibration data is included by the signal transducer 401 in measurement vehicle 2.Vibratory response is obtained in signal transducer 401
After data, vibration signal is transmitted to signal amplifier 403 through signal transmitting apparatus 402, the effect of signal amplifier 403 is
Signal measured by signal transducer 401 is amplified, is handled by signal processing apparatus 405.
Signal collection and the signal transducer of processing system 4 401 are installed on the matter axle of measurement vehicle 2, signal transducer
401 can be used one or more, can be adjusted according to field condition to sensor position and quantity in actual measurement.Its
In, displacement type, velocity profile, acceleration type sensor and visual sensor can be used in signal transducer 401.
Signal transmitting apparatus I and signal transmitting apparatus II in signal collection and processing system 4 can be used wired or wireless
Signal transmission form, the present invention are not limited to the transmission mode of various signals.It is preset by external signal processing apparatus 405
Program automatic filter and time-frequency transformation analysis are carried out to vibratory response data, so that it is determined that the vertical frequency of bridge, torsional frequency,
The vibration shape, damping, roughness and bridge damnification position, degree.
Claims (9)
1. a kind of bridge total state multifunctional intellectual health monitoring systems, it is characterised in that:Including the tractor (1), measurement
Vehicle (2), connecting elements (3) and signal collection and processing system (4)；
The connecting elements (3) mainly includes measurement vehicle end link (301), flexural pivot I (302), long connecting rod (303), flexural pivot II
(304), tractor end link (305), sliding slot (306), slot inner slider (307), setscrew (308)
Flexural pivot I (302) and flexural pivot II (304) include a ball node, and the both ends of the ball node are connecting rods.
The measurement vehicle end link (301) one end is interconnecting piece, the other end is the end of thread；Measurement vehicle end link (301)
The end of thread is connect with the connecting rod of flexural pivot I (302) one end；The connecting rod of flexural pivot I (302) other end connects long connecting rod
(303) the end of thread；The both ends of the long connecting rod (303) are the ends of thread, and an end of thread connect with flexural pivot I (302), is another
A end of thread is connect with flexural pivot II (304)；The connecting rod of described flexural pivot II (304) one end and the end of thread of long connecting rod (303) connect
It connects, the connecting rod of the other end is connect with tractor end link (305)；Described tractor end link (305) one end is the end of thread, another
One end is fixed in the plate face of slot inner slider (307)；The end of thread of the tractor end link (305) and flexural pivot II (304)
Connecting rod is connected；The sliding slot (306) is one section of inner bead channel steel；The slot inner slider (307) has a threaded hole；From back
To the side of sliding slot (306), setscrew (308) are screwed in from the threaded hole of slot inner slider (307)；Unclamp the fixed spiral shell
When adjusting screw (308), slot inner slider (307) (306) can slide above and below along the chute；When fastening the setscrew (308), Gu
Determine the slot bottom that screw (308) holds out against inner bead channel steel, slot inner slider (307) side holds out against the crimping of inner bead channel steel；
The tail portion of the tractor (1) have one perpendicular to horizontal plane plate；The sliding slot (306) is backwards to flexural pivot II (304)
Side be fixed on the plate；
The measurement vehicle (2) includes car bonnet (201), sweep (202), counterweight (203), axle (204), wheel (205), damper
(206) and flexible cushion block (207)；
The axle (204) is fixed on the top of sweep (202)；The both ends of the axle (204) are installed by wheel (205)；It is described
The upper surface of sweep (202) is installed by car bonnet (201)；I.e. using basket-hanging design, entire car body be suspended in axle (204) hereinafter,
The center of gravity of measurement vehicle (2) concentrates on immediately below axle (204)；Side installation of measurement vehicle (2) towards connecting rod (3) is soft
Property cushion block (207)；
Signal collection and processing system (4) include the signal transducer (401) of one or more acquisition vibration signals；Sensing
Device (401) is located in measurement vehicle (2)；During tractor (1) draws measurement vehicle (2), vibration signal is acquired.
2. bridge total state multifunctional intellectual health monitoring systems according to claim 1, it is characterised in that：Axle
(204) quality is measure vehicle (2) car body gross mass 80%, and rest part is measure vehicle (2) car body gross mass 20%.
3. bridge total state multifunctional intellectual health monitoring systems according to claim 1 or 2, it is characterised in that：It is described
Counterweight (203) can be placed on wooden handcart (202) to change measurement vehicle (2) car body frequency.
4. bridge total state multifunctional intellectual health monitoring systems according to claim 1 or 3, it is characterised in that：It is described
Damper (206) is placed on wooden handcart (202).
5. bridge total state multifunctional intellectual health monitoring systems according to claim 1 or 3, it is characterised in that：It is flexible
Cushion block (207) is rubber block.
6. bridge total state multifunctional intellectual health monitoring systems according to claim 1 or 3, it is characterised in that：Measurement
For the wheel (205) of vehicle (2) using adjustable tire, tire is replaceable, changes car body damping, vertical rigidity by changing tire
And car body frequency.
7. bridge total state multifunctional intellectual health monitoring systems according to claim 1 or 3, it is characterised in that：Signal
Collecting and dealing system (4) collects vibration signal with signal transducer (401), is received by signal transmitting apparatus (402) transmission
Signal is recorded to signal amplifying apparatus (403), after by signal processing apparatus (405) carry out data analysis.
8. the bridge total state multifunctional intellectual health monitoring systems according to claim 5 or 3, it is characterised in that：Signal
Signal transmitting apparatus (402) in Collecting and dealing system (4) can take wired or wireless signal transmission form.
9. the bridge total state multifunctional intellectual health monitoring systems according to claim 5 or 3, it is characterised in that：Signal
Displacement type, velocity profile, acceleration type sensor and visual sensor can be used in sensor (401), and signal transducer (401) can be put
It is placed at axle (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739182.2A CN108918837A (en) | 2018-07-06 | 2018-07-06 | Bridge total state multifunctional intellectual health monitoring systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739182.2A CN108918837A (en) | 2018-07-06 | 2018-07-06 | Bridge total state multifunctional intellectual health monitoring systems |
Publications (1)
| Publication Number | Publication Date |
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| CN108918837A true CN108918837A (en) | 2018-11-30 |
Family
ID=64424884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810739182.2A Pending CN108918837A (en) | 2018-07-06 | 2018-07-06 | Bridge total state multifunctional intellectual health monitoring systems |
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Cited By (3)
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| CN109813231A (en) * | 2019-01-14 | 2019-05-28 | 中山大学 | High-speed rail bridge vertically moves degree of disturbing measurement method |
| CN110220594A (en) * | 2019-07-24 | 2019-09-10 | 哈尔滨工业大学（深圳） | Mobile platform and the vibration detecting system acquired based on distributed synchronization |
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