CN111257424A - Nondestructive testing equipment for internal cracks of bridge - Google Patents
Nondestructive testing equipment for internal cracks of bridge Download PDFInfo
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- CN111257424A CN111257424A CN202010179092.XA CN202010179092A CN111257424A CN 111257424 A CN111257424 A CN 111257424A CN 202010179092 A CN202010179092 A CN 202010179092A CN 111257424 A CN111257424 A CN 111257424A
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- bridge
- lifting plate
- nondestructive testing
- supporting
- rotating shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention is suitable for the technical field of nondestructive testing, and provides nondestructive testing equipment for cracks in a bridge, which comprises two symmetrically arranged supporting plates, wherein the two supporting plates are connected through a connecting plate, and pulleys are arranged at the bottoms of the supporting plates; the upper surfaces of the two supporting plates are both fixed with supporting upright posts, and a height adjusting mechanism is arranged between the two supporting upright posts; the height adjusting mechanism comprises a lifting plate, a translation detecting mechanism is arranged at the bottom of the lifting plate, and the translation detecting mechanism comprises an ultrasonic transmitting end. The invention can detect the cracks and defects in the bridge, not only can detect the condition of the bridge in real time, but also can not influence the normal use of the bridge, and can adjust the height between the ultrasonic transmitting end and the bridge body by matching with the height adjusting mechanism and the translation detecting mechanism to achieve the best detection effect, and meanwhile, the pulley at the bottom can be used for detecting the whole bridge body.
Description
Technical Field
The invention belongs to the technical field of nondestructive testing, and particularly relates to nondestructive testing equipment for internal cracks of a bridge.
Background
The bridge is a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass through smoothly, generally comprises an upper structure, a lower structure, a support and an attached structure, and is required to be detected regularly in order to ensure that the bridge can pass through smoothly, avoid accidents such as collapse and the like and ensure the personal safety of passers.
When detecting the bridge, ordinary detection instrument can only detect the crack and the defect on bridge surface, and can not explore to bridge inner structure's anomaly and defect, if the inner structure of bridge the huge potential safety hazard can appear in the defect appearing, endangers personal safety.
Based on the above technical problems, it is urgently needed to provide a nondestructive testing device, which can detect cracks and the like in the bridge without damaging or affecting the service performance of the bridge and damaging the internal structure of the bridge.
Disclosure of Invention
The invention aims to provide nondestructive testing equipment for cracks in a bridge, which aims to solve the problems that in the prior art, only cracks on the surface of the bridge can be detected, and cracks and defects in the bridge cannot be probed.
The embodiment of the invention is realized in such a way that the nondestructive testing equipment for the internal cracks of the bridge comprises two symmetrically arranged supporting plates, wherein the two supporting plates are connected through a connecting plate, and pulleys are arranged at the bottoms of the supporting plates; the upper surfaces of the two supporting plates are both fixed with supporting upright posts, and a height adjusting mechanism is arranged between the two supporting upright posts; the height adjusting mechanism comprises a lifting plate, a translation detecting mechanism is arranged at the bottom of the lifting plate, and the translation detecting mechanism comprises an ultrasonic transmitting end.
As a further scheme of the invention: the height adjusting mechanism comprises a first motor arranged on the outer side of the supporting plate, an output shaft of the first motor is rotatably arranged in a cavity in the connecting plate, two first bevel gears are fixedly sleeved on the output shaft, second bevel gears continuously meshed with the two first bevel gears are arranged above the two first bevel gears, a first rotating shaft is fixedly arranged in the second bevel gears, and the first rotating shaft is rotatably arranged in a hollow groove formed in the supporting upright post;
a first sliding block is installed on the first rotating shaft in a threaded connection mode, and two sides of the lifting plate are fixedly connected with the first sliding block respectively.
As a further scheme of the invention: the limiting groove is formed in the front side wall of the supporting stand column, the lifting plate is close to one side of the front side wall of the supporting stand column and is fixedly provided with a limiting block, and the limiting block is slidably mounted inside the limiting groove.
As a further scheme of the invention: the translation detection mechanism is including installing second motor on the lifter plate lateral wall, the output of second motor passes through the shaft coupling and is connected with second pivot drive, install the second slider with threaded connection mode in the second pivot, the ultrasonic wave transmitting terminal is installed to the bottom of second slider.
As a further scheme of the invention: the upper surface mounting of lifter plate has the remote communication module, the remote communication module is connected with the ultrasonic wave transmitting terminal.
Compared with the prior art, the invention has the beneficial effects that: this inside crack nondestructive test equipment of bridge utilizes the ultrasonic emission end to reach nondestructive test's purpose, can detect the inside crack of bridge and defect, can not only the condition of real-time detection bridge, can also not influence the normal use of bridge, cooperate high guiding mechanism and translation detection mechanism simultaneously, can adjust the height of ultrasonic emission end and bridge body, reach the best detection effect, utilize the pulley of bottom to detect bridge body whole simultaneously, avoided detecting the dead angle, the detection efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic structural diagram of a nondestructive testing device for internal cracks of a bridge.
FIG. 2 is a front cross-sectional view of a height adjustment mechanism in the nondestructive testing apparatus for internal cracks of a bridge.
FIG. 3 is a front cross-sectional view of a translation detection mechanism in the nondestructive testing device for internal cracks of a bridge.
In the figure: 1-supporting plate, 2-connecting plate, 3-pulley, 4-supporting upright post, 5-empty groove, 6-first motor, 7-output shaft, 8-first bevel gear, 9-second bevel gear, 10-first rotating shaft, 11-first sliding block, 12-lifting plate, 13-limiting groove, 14-limiting block, 15-second motor, 16-second rotating shaft, 17-second sliding block, 18-ultrasonic transmitting end and 19-remote communication module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a nondestructive testing apparatus for a crack in a bridge, where the nondestructive testing apparatus includes two symmetrically arranged support plates 1, the two support plates 1 are connected by a connecting plate 2, and a pulley 3 is installed at the bottom of each support plate 1; the upper surfaces of the two supporting plates 1 are both fixed with supporting upright columns 4, and a height adjusting mechanism is arranged between the two supporting upright columns 4; the height adjusting mechanism comprises a lifting plate 12, and a translation detecting mechanism is arranged at the bottom of the lifting plate 12 and comprises an ultrasonic transmitting end 18.
This inside crack nondestructive test equipment of bridge utilizes ultrasonic emission end 18 to reach nondestructive test's purpose, can detect the inside crack and the defect of bridge, can not only the condition of real-time detection bridge, can also not influence the normal use of bridge, cooperate high guiding mechanism and translation detection mechanism simultaneously, can adjust the height of ultrasonic emission end 18 and bridge body, reach the best detection effect, utilize the pulley 3 of bottom to detect the bridge body is whole simultaneously, the dead angle has been avoided detecting, the detection efficiency is improved.
When the nondestructive testing device is used, the pulley 3 is utilized to drive the nondestructive testing device to move to a bridge, the height adjusting mechanism is started to adjust the height of the lifting plate 12 after the area needing to be tested is selected, so that the distance between the ultrasonic transmitting end 18 at the bottom of the lifting plate 12 and the bridge to be tested is adjusted, then the translation detecting mechanism is started to drive the ultrasonic transmitting end 18 to translate at a constant speed above the bridge until an ultrasonic reflection signal is obtained, and the problems of cracks and defects of the internal structure of the bridge can be solved.
As shown in fig. 2, in the embodiment of the present invention, the height adjusting mechanism includes a first motor 6 installed outside the supporting plate 1, an output shaft 7 of the first motor 6 is rotatably installed in a cavity inside the connecting plate 2, two first bevel gears 8 are fixedly sleeved on the output shaft 7, a second bevel gear 9 continuously engaged with the two first bevel gears 8 is arranged above the two first bevel gears 8, a first rotating shaft 10 is fixed in the second bevel gear 9, and the first rotating shaft 10 is rotatably installed in a hollow groove 5 formed in the supporting column 4; a first sliding block 11 is installed on the first rotating shaft 10 in a threaded connection mode, and two sides of the lifting plate 12 are fixedly connected with the first sliding block 11 respectively.
When the nondestructive test is needed, the first motor 6 is started, the output shaft 7 is controlled to rotate by the first motor 6, two first bevel gears 8 can be controlled to rotate at the same direction and the same speed, the second bevel gear 9 is driven to rotate, the first rotating shaft 10 rotates in the empty slot 5 of the supporting upright post 4, the first sliding block 11 can be driven to lift in the empty slot 5, the lifting plate 12 can be driven to lift through the first sliding block 11, and the stability of the lifting plate 12 during lifting can be improved under the action of the two sets of first rotating shafts 10 and the first sliding block 11.
Furthermore, a limiting groove 13 is formed in the front side wall of the supporting upright post 4, a limiting block 14 is fixed to one side of the lifting plate 12 close to the front side wall of the supporting upright post 4, and the limiting block 14 is slidably mounted inside the limiting groove 13.
In order to further improve the stabilizing effect of the lifting plate 12 during lifting and prevent the first sliding block 11 from deflecting when the first rotating shaft 10 rotates to move linearly, the movement of the lifting plate 12 is limited by the cooperation of the limiting groove 13 and the limiting block 14, and the lifting plate 12 can only move linearly.
As shown in fig. 3, in the embodiment of the present invention, the translation detecting mechanism includes a second motor 15 installed on the outer side wall of the lifting plate 12, an output end of the second motor 15 is connected to a second rotating shaft 16 through a coupling in a driving manner, a second sliding block 17 is installed on the second rotating shaft 16 in a threaded connection manner, and an ultrasonic wave emitting end 18 is installed at the bottom of the second sliding block 17.
After the height adjustment mechanism is adjusted the height of ultrasonic emission end 18 and bridge, utilize ultrasonic emission end 18 to pass through couplant transmission ultrasonic wave to the bridge, the ultrasonic wave meets different interfaces and will have different transmitting signal when the bridge is inside to be propagated, utilize the time difference of different transmitting signal transmission to ultrasonic emission end 18, can inspect the inside defect of bridge, start second motor 15, second motor 15 drives second pivot 16 and rotates, thereby it controls to remove to drive the second slider 17 in the second pivot 16, thereby can carry out omnidirectional detection to selected region.
Example 2
In still another embodiment of the present invention, as shown in fig. 1, a remote communication module 19 is mounted on the upper surface of the lifting plate 12, and the remote communication module 19 is connected to the ultrasonic wave emitting end 18.
Ultrasonic waves are transmitted to the bridge through the ultrasonic transmitting end 18, the ultrasonic waves are transmitted to the central processing unit through the remote communication module 19, the height, the position and the like of a transmitting signal are displayed on the display assembly through the central processing unit, the size of a defect can be judged, and a detector can conveniently and visually check the defect problem in the bridge.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The nondestructive testing equipment for the internal cracks of the bridge is characterized by comprising two symmetrically arranged supporting plates (1), wherein the two supporting plates (1) are connected through a connecting plate (2), and pulleys (3) are mounted at the bottoms of the supporting plates (1); the upper surfaces of the two supporting plates (1) are both fixed with supporting upright columns (4), and a height adjusting mechanism is arranged between the two supporting upright columns (4); the height adjusting mechanism comprises a lifting plate (12), a translation detecting mechanism is arranged at the bottom of the lifting plate (12), and the translation detecting mechanism comprises an ultrasonic transmitting end (18).
2. The nondestructive testing device for the internal crack of the bridge according to claim 1, wherein the height adjusting mechanism comprises a first motor (6) installed outside the supporting plate (1), an output shaft (7) of the first motor (6) is rotatably installed in a cavity inside the connecting plate (2), two first bevel gears (8) are fixedly sleeved on the output shaft (7), a second bevel gear (9) continuously engaged with the two first bevel gears (8) is arranged above the two first bevel gears (8), a first rotating shaft (10) is fixed in the second bevel gear (9), and the first rotating shaft (10) is rotatably installed in a hollow groove (5) formed in the supporting column (4); a first sliding block (11) is installed on the first rotating shaft (10) in a threaded connection mode, and two sides of the lifting plate (12) are fixedly connected with the first sliding block (11) respectively.
3. The nondestructive testing equipment for internal cracks of a bridge according to claim 2, wherein a limiting groove (13) is formed on the front side wall of the supporting column (4), a limiting block (14) is fixed on one side of the lifting plate (12) close to the front side wall of the supporting column (4), and the limiting block (14) is slidably mounted inside the limiting groove (13).
4. The nondestructive testing device for the internal crack of the bridge according to claim 1, wherein the translation detection mechanism comprises a second motor (15) installed on the outer side wall of the lifting plate (12), the output end of the second motor (15) is in driving connection with a second rotating shaft (16) through a coupler, a second sliding block (17) is installed on the second rotating shaft (16) in a threaded connection manner, and an ultrasonic emission end (18) is installed at the bottom of the second sliding block (17).
5. The nondestructive testing device for internal cracks of a bridge according to claim 4, wherein the upper surface of the lifting plate (12) is provided with a remote communication module (19), and the remote communication module (19) is connected with the ultrasonic transmitting terminal (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179092.XA CN111257424A (en) | 2020-03-15 | 2020-03-15 | Nondestructive testing equipment for internal cracks of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179092.XA CN111257424A (en) | 2020-03-15 | 2020-03-15 | Nondestructive testing equipment for internal cracks of bridge |
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| Publication Number | Publication Date |
|---|---|
| CN111257424A true CN111257424A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010179092.XA Pending CN111257424A (en) | 2020-03-15 | 2020-03-15 | Nondestructive testing equipment for internal cracks of bridge |
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| CN (1) | CN111257424A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638271A (en) * | 2020-07-20 | 2020-09-08 | 兰州理工大学 | Nondestructive testing device without damage to bridge |
| CN113959945A (en) * | 2021-10-21 | 2022-01-21 | 北京磁浮有限公司 | Rail bridge tunnel detection device |
| CN114061497A (en) * | 2021-10-25 | 2022-02-18 | 风帆有限责任公司 | Lead-acid storage battery terminal welding depth on-line detection device and method |
-
2020
- 2020-03-15 CN CN202010179092.XA patent/CN111257424A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638271A (en) * | 2020-07-20 | 2020-09-08 | 兰州理工大学 | Nondestructive testing device without damage to bridge |
| CN113959945A (en) * | 2021-10-21 | 2022-01-21 | 北京磁浮有限公司 | Rail bridge tunnel detection device |
| CN113959945B (en) * | 2021-10-21 | 2022-08-23 | 北京磁浮有限公司 | Rail bridge tunnel detection device |
| CN114061497A (en) * | 2021-10-25 | 2022-02-18 | 风帆有限责任公司 | Lead-acid storage battery terminal welding depth on-line detection device and method |
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