CN113063491A - Whole vibrations detection device of bridge - Google Patents
Whole vibrations detection device of bridge Download PDFInfo
- Publication number
- CN113063491A CN113063491A CN202110283209.3A CN202110283209A CN113063491A CN 113063491 A CN113063491 A CN 113063491A CN 202110283209 A CN202110283209 A CN 202110283209A CN 113063491 A CN113063491 A CN 113063491A
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- rod
- swing
- box body
- bridge
- detection device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a bridge integral vibration detection device which comprises a box body, a fixed seat, a connecting screw rod, a swing rod, a detection module and a swing detection rod. The invention has the beneficial effects that: this device can use rocking of swinging arms to detect the vibration amplitude of bridge, detects the swing amplitude of swinging arms through the swing detection pole, can calculate the vibration amplitude of bridge, and the focus of swinging arms can be controlled through the adjustment of the balancing weight in the swinging arms, can control the vibration amplitude of swinging arms, can be when the bridge vibrations is less through the position control swing amplitude of adjustment balancing weight, can monitor the vibration frequency of bridge. The two bridge integral vibration detection devices can be connected through the second laser sensor, and the integral vibration condition of the bridge can be detected.
Description
Technical Field
The invention relates to the field of bridge detection equipment, in particular to a bridge integral vibration detection device.
Background
The bridge is after the construction is accomplished, because the current of vehicle or the cool meeting of influence of environment can produce vibrations when using, can cause the influence to the body of bridge when the vibrations range is too big or the vibrations of bridge unusual, at this moment just needs the detection device of a bridge vibrations to detect the vibrations of bridge, prevents that the bridge from taking place dangerously when using.
Disclosure of Invention
The invention aims to provide a bridge integral vibration detection device to solve the defects of the prior art in the background technology.
The invention discloses a bridge integral vibration detection device which comprises a box body 1, a fixed seat 2, a connecting screw rod 3, a swing rod 4, a detection module 5 and a swing detection rod, wherein the box body is provided with a plurality of connecting holes;
the upper part of the box body 1 is provided with a fixed seat 2, and the box body 1 is connected with the fixed seat 2 through a connecting screw 3;
the inner side of the upper part of the box body 1 is provided with a swing rod 4, and the swing rod 5 is connected with the box body 1 through a universal shaft;
the upper part of the box body 1 is provided with a detection module 5;
the middle part of the swing rod 4 is movably connected with one end of a swing detection rod, and the other end of the swing detection rod is movably connected with the inner wall of the upper part of the box body 1;
the swing detection rods are four in number and are arranged around the swing rod 4;
the swing detection rod is electrically connected with the detection module 5;
the utility model discloses a mechanical swing arm, including swing rod 4, drive screw 8, driving motor 7, balancing weight 9, driving screw 8 and balancing weight 9, swing rod 4 upper portion inboard is equipped with driving motor 7, swing rod 4 is the tubular structure, the internal rotation of swing rod 4 is equipped with drive screw 8, driving motor 7 is connected with drive screw 8, still be equipped with balancing weight 9 in the swing rod, the balancing weight 9 cover is established on drive screw 8, drive screw 8 and balancing weight 9.
Preferably, the swing detection rod comprises a detection tube 10 and a telescopic rod 11, a coil 12 is sleeved on the outer side of the detection tube 10, the telescopic rod 11 has magnetism, and the telescopic rod 11 extends into the detection tube 10.
Preferably, the upper end of the connecting screw rod 3 is rotatably connected with the fixing seat 2, the lower end of the connecting screw rod 3 is in threaded connection with the box body 1, and the upper part of the connecting screw rod 3 is provided with an adjusting nut 6.
Preferably, the bottom of the swing rod 4 is fixedly provided with a laser sensor 13, two sides of the laser sensor 13 are respectively provided with a first laser emitter 14 and a first laser receiver 15, and the box body 1 on two sides of the laser sensor 13 is provided with a light transmission opening 16.
Preferably, the inside both sides of box 1 are equipped with link 17, be equipped with rotating electrical machines 18 on link 17, be equipped with circular glass board 19 between link 17 and the 1 inner wall of box, rotating electrical machines 18 is connected with glass board 19, light-permeable opening 16 inboard is equipped with rubber circle 20, rubber circle 20 upside is equipped with scraper blade 21, scraper blade 21 is the arc structure, scraper blade 21 lower extreme is connected with the box 1 bottom.
Preferably, still be equipped with second printing opacity mouth 22 on the box 1 of printing opacity mouth 16 upside, second printing opacity mouth 22 sets up respectively in box 1 both sides, be equipped with rubber circle 20 between second printing opacity mouth 22 and the glass board 19, link 17 upside is equipped with support frame 23, support frame 23 is two, support frame 23 sets up in the inside both sides of box 1, be equipped with second laser sensor 24 on the support frame 23, be equipped with second laser emitter 25 and second laser receiver 26 on the second laser sensor 24.
Preferably, the bottom of the box body 1 is provided with a support rod 27, the lower end of the support rod 27 is rotatably provided with a transverse rod 28, one end of the transverse rod 28 is provided with a generator 29, the generator 29 is provided with fan blades 30, and the generator 29 is electrically connected with the detection module 5.
Preferably, the light-transmitting opening 16 and the second light-transmitting opening 22 are respectively provided with a baffle 31.
Preferably, a rubber pad 32 is arranged on the side of the connecting frame 17 contacting the glass plate 19.
Preferably, the fixing seat 2 is provided with a fixing buckle 33.
The invention has the beneficial effects that:
1. the device can detect the vibration amplitude of the bridge by using the swinging of the swinging rod, and can measure and calculate the vibration amplitude of the bridge by detecting the swinging amplitude of the swinging rod through the swinging detection rod.
2. The gravity center of the swing rod can be controlled through adjustment of the balancing weight in the swing rod, the swing amplitude of the swing rod can be controlled, the swing amplitude can be controlled through adjusting the position of the balancing weight when the bridge vibrates less, and the vibration frequency of the bridge can be monitored.
3. The two bridge integral vibration detection devices can be connected through the second laser sensor, and the integral vibration condition of the bridge can be detected.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a schematic diagram of a second laser sensor according to the present invention.
FIG. 4 is a schematic side view of the present invention.
FIG. 5 is a schematic view of the cross-section A of FIG. 4 according to the present invention.
FIG. 6 is a schematic view of the cross-section B of FIG. 4 according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
A bridge integral vibration detection device comprises a box body 1, a fixed seat 2, a connecting screw rod 3, a swing rod 4, a detection module 5 and a swing detection rod;
the upper part of the box body 1 is provided with a fixed seat 2, the box body 1 and the fixed seat 2 are connected through a connecting screw 3, the box body can store a detection device and can prevent the detection device from being influenced by the external environment, the box body can be fixed on a bridge through the fixed seat, the box body can be fixed on the fixed seat through the connecting screw, the box body can be leveled through an adjusting screw, and the box body is prevented from inclining during installation;
the inner side of the upper part of the box body 1 is provided with a swing rod 4, the swing rod 5 is connected with the box body 1 through a universal shaft, the swing rod can detect the vibration of the bridge, and the swing rod can swing due to the vibration of the bridge when the bridge vibrates, so that the vibration strength and amplitude of the bridge can be judged through the swing of the swing rod;
the detection module 5 is arranged on the upper portion of the box body 1 and can acquire the swing amplitude and speed of the swing rod so as to record the vibration amplitude of the bridge, the detection module comprises a storage battery, a single chip microcomputer, an alarm and a wireless transmitter, the storage battery can supply power to the detection module, the single chip microcomputer can process, record and transmit information, the alarm can play a role in alarming, when the bridge vibration amplitude is too large, the alarm can give an alarm, the wireless transmitter can transmit bridge information to a monitoring unit, and data acquisition is facilitated;
the middle part of the swing rod 4 is movably connected with one end of a swing detection rod, the other end of the swing detection rod is movably connected with the inner wall of the upper part of the box body 1, the swing detection rod can be driven when swinging, the swing detection rod can detect the swing amplitude of the swing rod, and the swing detection rod can transmit detection information into a detection module to record and transmit data;
the four swing detection rods are arranged around the swing rod 4 and can detect the swing direction of the detection rods, so that the swing amplitude and the angle of the swing rods can be better detected, and the vibration amplitude of the bridge can be detected;
the swing detection rod is electrically connected with the detection module 5, and the swing detection rod can transmit data to the detection module, so that the data can be conveniently processed and recorded;
a driving motor 7 is arranged on the inner side of the upper part of the swing rod 4, the swing rod 4 is of a tubular structure, a driving screw 8 is rotationally arranged in the swing rod 4, the driving motor 7 is connected with a driving screw 8, a balancing weight 9 is also arranged in the swinging rod, the balancing weight 9 is sleeved on the driving screw rod 8, the driving screw rod 8 is in threaded connection with the balancing weight 9, the driving motor drives the driving screw rod to rotate so as to drive the balancing weight to move up and down in the oscillating rod, the center of the oscillating rod can be changed through the up-and-down movement of the balancing weight, therefore, the swing amplitude of the swing rod is controlled, the problem that the swing rod cannot swing normally when the bridge vibrates greatly or slightly is solved, the gravity center is lowered, the swing of the swing rod can be still kept when the vibration is small, and the problem that the measurement is inaccurate due to the fact that the swing amplitude of the swing rod is too large when the bridge vibrates greatly is solved.
The swing detection pole includes sense tube 10 and telescopic link 11, the cover is equipped with coil 12 outside the sense tube 10, telescopic link 11 has magnetism, telescopic link 11 stretches into in the sense tube 10, and the swing detection pole is through carrying out concertina movement when the swinging arms swing, and the telescopic link can stretch out and draw back in the sense tube, because the telescopic link is for having magnetic material, can produce electric current when the telescopic link round trip movement in the coil, and the more electric current that produces that the telescopic link stretches into will be big more, and the electric current that produces through the coil enters into and sees the side module, can detect the swing range of swinging arms through the size of electric current to confirm the vibration range of bridge.
Connecting screw 3 upper ends are rotated with fixing base 2 and are connected, 3 lower extremes of connecting screw and 1 threaded connection of box, 3 upper portions of connecting screw are equipped with adjusting nut 6, can carry out the leveling with the box through four angle adjusting nut, can make the swinging arms perpendicular with the box upper wall, make things convenient for the detection of swinging arms to bridge vibrations, and adjusting nut makes things convenient for connecting screw's rotation to adjust.
The fixed laser sensor 13 that is equipped with in 4 bottoms of swinging arms, laser sensor 13 both sides are equipped with first laser emitter 14 and first laser receiver 15 respectively, be equipped with light-permeable mouth 16 on the box 1 of laser sensor 13 both sides, laser sensor can connect a plurality of equipment and use, the laser sensor of single equipment can be with laser projection on the laser receiver on another equipment through first laser emitter, laser returns when the bridge is whole stable constantly unchangeably, laser returns skew laser receiver when the bridge vibration, laser receiver can accept laser signal again when the bridge is stable, can detect bridge and weak vibrations, light-permeable mouth makes things convenient for laser to pass.
Two sides of the interior of the box body 1 are provided with connecting frames 17, the connecting frames 17 are provided with rotating motors 18, a round glass plate 19 is arranged between the connecting frame 17 and the inner wall of the box body 1, the rotating motor 18 is connected with the glass plate 19, a rubber ring 20 is arranged at the inner side of the light-transmitting opening 16, a scraper 21 is arranged at the upper side of the rubber ring 20, the scraper 21 is of an arc-shaped structure, the lower end of the scraper 21 is connected with the bottom of the box body 1, the connecting frame can support the rotating motor, the rotating motor can drive the circular glass plate to rotate, the glass plate can prevent dust from entering the box body, the glass plate can block the light transmission opening, the rubber pad can separate the box body from the glass plate to prevent the box body from scratching the glass plate, the rotating rubber ring of the rotating motor can wipe off dust on the glass plate, so that the glass plate is prevented from being polluted by the dust, and the scraper can scrape off the dust on the outer side of the glass plate.
The box body 1 at the upper side of the light transmission opening 16 is also provided with a second light transmission opening 22, the second light transmission openings 22 are respectively arranged at the two sides of the box body 1, a rubber ring 20 is arranged between the second light-transmitting opening 22 and the glass plate 19, a support frame 23 is arranged on the upper side of the connecting frame 17, the number of the support frames 23 is two, the support frames 23 are arranged on two sides in the box body 1, the support frames 23 are provided with second laser sensors 24, the second laser sensor 24 is provided with a second laser transmitter 25 and a second laser receiver 26, the second light-transmitting opening can transmit signals to the second laser sensor, the second laser sensor is a fixed structure and can detect the deformation of the bridge, when the bridge takes place deformation, the second laser receiver of two equipment will not receive the laser of the second laser emitter of another equipment, and the support frame can be fixed second laser sensor on the box.
The bottom of the box body 1 is provided with a supporting rod 27, the lower end of the supporting rod 27 is rotatably provided with a transverse rod 28, one end of the transverse rod 28 is provided with a generator 29, the generator 29 is provided with fan blades 30, the generator 29 is electrically connected with the detection module 5, the transverse rod can rotate on the supporting rod, the wind direction can be detected, the generator and the fan blades can generate electricity through wind power, and the detection module and the laser sensor can be powered and charged.
The light-transmitting opening 16 and the second light-transmitting opening 22 are respectively provided with a baffle 31, and the baffles can prevent rainwater from polluting the glass plate.
And a rubber pad 32 is arranged on one side of the connecting frame 17, which is in contact with the glass plate 19, and can clean the inner side of the glass plate to ensure the definition of the glass plate.
And a fixing buckle 33 is arranged on the fixing seat 2 and is convenient for connecting the fixing seat with the bridge.
The invention has the beneficial effects that:
1. the device can detect the vibration amplitude of the bridge by using the swinging of the swinging rod, and can measure and calculate the vibration amplitude of the bridge by detecting the swinging amplitude of the swinging rod through the swinging detection rod.
2. The gravity center of the swing rod can be controlled through adjustment of the balancing weight in the swing rod, the swing amplitude of the swing rod can be controlled, the swing amplitude can be controlled through adjusting the position of the balancing weight when the bridge vibrates less, and the vibration frequency of the bridge can be monitored.
3. The two bridge integral vibration detection devices can be connected through the second laser sensor, and the integral vibration condition of the bridge can be detected.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions are considered to be within the protective scope of the present invention.
Claims (10)
1. The integral bridge vibration detection device is characterized by comprising a box body (1), a fixed seat (2), a connecting screw rod (3), a swing rod (4), a detection module (5) and a swing detection rod;
the upper part of the box body (1) is provided with a fixed seat (2), and the box body (1) is connected with the fixed seat (2) through a connecting screw (3);
the inner side of the upper part of the box body (1) is provided with a swing rod (4), and the swing rod (5) is connected with the box body (1) through a universal shaft;
a detection module (5) is arranged at the upper part of the box body (1);
the middle part of the swing rod (4) is movably connected with one end of a swing detection rod, and the other end of the swing detection rod is movably connected with the inner wall of the upper part of the box body (1);
the swing detection rods are four in position and are arranged around the swing rod (4);
the swing detection rod is electrically connected with the detection module (5);
swing arm (4) upper portion inboard is equipped with driving motor (7), swing arm (4) are the tubular structure, swing arm (4) internal rotation is equipped with driving screw (8), driving motor (7) are connected with driving screw (8), still be equipped with balancing weight (9) in the swing arm, balancing weight (9) cover is established on driving screw (8), driving screw (8) and balancing weight (9) threaded connection.
2. The bridge integral vibration detection device according to claim 1, wherein the swing detection rod comprises a detection tube (10) and a telescopic rod (11), a coil (12) is sleeved outside the detection tube (10), the telescopic rod (11) has magnetism, and the telescopic rod (11) extends into the detection tube (10).
3. The bridge integral vibration detection device according to claim 1, wherein the upper end of the connecting screw rod (3) is rotatably connected with the fixed seat (2), the lower end of the connecting screw rod (3) is in threaded connection with the box body (1), and the upper part of the connecting screw rod (3) is provided with an adjusting nut (6).
4. The bridge integral vibration detection device according to claim 1, wherein a laser sensor (13) is fixedly arranged at the bottom of the swinging rod (4), a first laser emitter (14) and a first laser receiver (15) are respectively arranged at two sides of the laser sensor (13), and light-transmitting openings (16) are arranged on the box body (1) at two sides of the laser sensor (13).
5. The bridge integral vibration detection device according to claim 1, wherein connecting frames (17) are arranged on two sides inside the box body (1), a rotating motor (18) is arranged on each connecting frame (17), a round glass plate (19) is arranged between each connecting frame (17) and the inner wall of the box body (1), each rotating motor (18) is connected with each glass plate (19), a rubber ring (20) is arranged on the inner side of each light transmission opening (16), a scraper (21) is arranged on the upper side of each rubber ring (20), each scraper (21) is of an arc-shaped structure, and the lower end of each scraper (21) is connected with the bottom of the box body (1).
6. The bridge integral vibration detection device according to claim 5, wherein a second light transmission opening (22) is further formed in the box body (1) on the upper side of the light transmission opening (16), the second light transmission openings (22) are respectively formed in two sides of the box body (1), a rubber ring (20) is arranged between the second light transmission opening (22) and the glass plate (19), a support frame (23) is arranged on the upper side of the connecting frame (17), the number of the support frames (23) is two, the support frames (23) are arranged on two sides inside the box body (1), a second laser sensor (24) is arranged on the support frame (23), and a second laser transmitter (25) and a second laser receiver (26) are arranged on the second laser sensor (24).
7. The bridge integral vibration detection device according to claim 1, wherein a support rod (27) is arranged at the bottom of the box body (1), a transverse rod (28) is rotatably arranged at the lower end of the support rod (27), a generator (29) is arranged at one end of the transverse rod (28), a fan blade (30) is arranged on the generator (29), and the generator (29) is electrically connected with the detection module (5).
8. The bridge integral vibration detection device according to claim 6, wherein the light-transmitting opening (16) and the second light-transmitting opening (22) are respectively provided with a baffle (31).
9. The bridge integral vibration detection device according to claim 5, wherein a rubber pad (32) is arranged on one side of the connecting frame (17) contacting with the glass plate (19).
10. The bridge integral vibration detection device according to claim 1, wherein the fixing seat (2) is provided with a fixing buckle (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283209.3A CN113063491A (en) | 2021-03-17 | 2021-03-17 | Whole vibrations detection device of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283209.3A CN113063491A (en) | 2021-03-17 | 2021-03-17 | Whole vibrations detection device of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113063491A true CN113063491A (en) | 2021-07-02 |
Family
ID=76560796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110283209.3A Withdrawn CN113063491A (en) | 2021-03-17 | 2021-03-17 | Whole vibrations detection device of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113063491A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776660A (en) * | 2021-11-11 | 2021-12-10 | 山东达驰电气有限公司 | Transformer vibration detection equipment |
-
2021
- 2021-03-17 CN CN202110283209.3A patent/CN113063491A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776660A (en) * | 2021-11-11 | 2021-12-10 | 山东达驰电气有限公司 | Transformer vibration detection equipment |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210702 |
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| WW01 | Invention patent application withdrawn after publication |