CN112798164A - Steel construction residual stress ultrasonic monitoring device - Google Patents
Steel construction residual stress ultrasonic monitoring device Download PDFInfo
- Publication number
- CN112798164A CN112798164A CN202110089758.7A CN202110089758A CN112798164A CN 112798164 A CN112798164 A CN 112798164A CN 202110089758 A CN202110089758 A CN 202110089758A CN 112798164 A CN112798164 A CN 112798164A
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- probe
- positioning box
- steel structure
- residual stress
- information processing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000010276 construction Methods 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000010365 information processing Effects 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 84
- 238000007789 sealing Methods 0.000 claims description 26
- 239000011521 glass Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 239000007822 coupling agent Substances 0.000 description 7
- 230000006698 induction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention belongs to the technical field of ultrasonic detection, and particularly relates to a steel structure residual stress ultrasonic monitoring device which comprises a positioning box, a detection device, a power supply device and an information processing and transmitting device, wherein the positioning box is fixed on a steel structure, the detection device, the power supply device and the information processing and transmitting device are arranged in the positioning box, the mounting is simple, the carrying is convenient, the protection is tight, the detection device, the power supply device and the information processing and transmitting device can be well attached to the surface of the steel structure, the real-time online monitoring on the steel structure residual stress can be ensured, the detection quality of the steel structure residual stress is effectively improved, the detection time of the steel structure residual stress is saved, and the.
Description
Technical Field
The invention belongs to the technical field of ultrasonic detection, and particularly relates to a steel structure residual stress ultrasonic monitoring device.
Background
With the continuous progress of national science and technology, the existing residual stress monitoring method for the large-scale steel structure has the problems of inconvenience in use, low efficiency, long time consumption, poor accuracy and the like. Meanwhile, due to the fact that the field test environment is complex, the detection device is large in size, complex to install, low in detection speed, high in probe placement difficulty and the like, accurate, efficient and online intelligent monitoring of the residual stress of the steel structure is achieved, and the problem which needs to be solved urgently by relevant departments is solved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the steel structure residual stress ultrasonic monitoring device which is simple to mount, convenient to carry and tight in protection, can be well attached to the surface of a steel structure, can ensure real-time online monitoring of the steel structure residual stress, effectively improves the detection quality of the steel structure residual stress, saves the detection time of the steel structure residual stress and improves the detection efficiency of the steel structure residual stress.
The invention adopts the specific technical scheme that: the utility model provides a steel construction residual stress ultrasonic monitoring device, the key is: the device comprises a positioning box, a detection device, a power supply device and an information processing and transmitting device, wherein the detection device, the power supply device and the information processing and transmitting device are arranged on the positioning box;
the side, far away from the steel structure, of the positioning box is provided with an opening, a side sealing cover is fixed by means of screws, the side, opposite to the side sealing cover, of the positioning box is an installation part, and two magnetic force seats are fixed at two ends of the positioning box by means of triangular iron and bolts;
the detection device comprises a probe shell and a probe arranged on the outer side of the probe shell, wherein the probe is provided with a strong magnet and glass bosses from two ends to the middle, and a displacement sensor, a temperature sensor and a vibration sensor are sequentially arranged among the glass bosses; the probe shell comprises an upper layer liquid storage cavity and a lower layer cavity, wherein a couplant adding hole is formed in the top end of the upper layer liquid storage cavity, a rubber plug is arranged in the couplant adding hole in a matched mode, a couplant outflow hole is formed in the side surface of the upper layer liquid storage cavity in a downward opening mode, and the couplant outflow hole is formed above the glass boss; the outer side of the probe is fixedly surrounded with an outer sealing gasket, and one end of the glass boss close to the probe shell is fixedly connected with an ultrasonic transducer.
Preferably, the probe shell is fixedly arranged on the outer surface of the mounting part.
Preferably, the probe shell is fixedly arranged in a positioning box, the probe penetrates through the mounting part and extends out of the mounting part, the positioning box is provided with a baffle and a pressing plate for supporting the probe shell, the baffle is parallel to the bottom surface of the positioning box and is fixedly connected with the inner surface of the mounting part, and the pressing plate is parallel to the mounting part and is fixedly connected with the mounting part by virtue of a stud and a nut; a lower rubber block is arranged between the bottom surface of the probe shell and the baffle plate, and an upper rubber block is arranged between the upper surface of the probe shell and the positioning box; the positioning box is provided with a square hole corresponding to the couplant adding hole, and the square hole is fixed with a sealing cover by a screw.
Preferably, the power supply device comprises a battery arranged in the positioning box.
Preferably, the information processing transmitting device comprises a collecting board card, an automatic induction switch and a wireless transmitting device, wherein the signal input end of the collecting board card is connected with the probe, the signal output end of the collecting board card is connected with the signal receiving end of the wireless transmitting device, and the wireless transmitting device is connected with the software app signal through a wireless signal.
Preferably, the surface of the probe shell is provided with a handle for installing the detection device.
Preferably, the probe is a straight probe, a concave probe or a convex probe
The invention has the beneficial effects that:
(1) small volume, convenient installation, device integration, good sealing performance, and waterproof, dustproof and windproof functions. The intelligent monitoring of the residual stress of the steel structure can be realized.
(2) The detection device is in an insertion type method, the magnet at the bottom of the probe is used for adsorbing the rail on the surface of a steel structure, the shell of the probe is matched with the baffle through the rubber block, the vibration prevention function is achieved, and the deviation along with the vibration of the steel structure can be avoided, so that the monitoring data are inaccurate.
(3) The couplant is filled, only the sealing cover on the upper part of the positioning and fixing device needs to be taken down, and any device does not need to be disassembled.
(4) The probe and the rail web are sealed through a sealing gasket, and the coupling agent required between the glass boss and the rail web only exists between the glass boss and the rail web, so that other parts cannot be influenced.
(5) The constant pressure required by the probe is provided by the way that the pressure plate is matched with the stud in the positioning and fixing device and the nut is screwed.
(6) The coupling effect of the ultrasonic transducer and the wedge can be maintained for a long time.
(7) The information processing transmitting device is provided with a built-in wireless transmitting device, detected information is transmitted to the user terminal in time, meanwhile, when the information processing transmitting device senses the vibration of a steel structure, the built-in induction switch is automatically closed, the device is in a dormant state, and when no vibration exists, the built-in induction switch is automatically opened, and the device starts to run.
The positioning box is fixed on the steel structure through the magnetic suction seat, the detection device is started to detect the residual stress of the steel structure, the installation is simple, the carrying is convenient, the protection is tight, the steel structure surface can be well attached, the real-time online monitoring on the residual stress of the steel structure can be ensured, the detection quality of the residual stress of the steel structure is effectively improved, the detection time of the residual stress of the steel structure is saved, and the detection efficiency of the residual stress of the steel structure is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the present invention with the side sealing cover removed;
FIG. 4 is a schematic view of the probe;
FIG. 5 is a schematic structural view of a probe housing;
FIG. 6 is a schematic view of the probe housing showing the configuration of the reservoir;
FIG. 7 is a schematic diagram of an ultrasound transducer position structure;
fig. 8 is a schematic view of the structure of the acquisition board card;
FIG. 9 is a schematic view of the contact structure of the present invention with a steel rail;
FIG. 10 is a schematic view of the present invention in planar contact with a large steel structure;
FIG. 11 is a schematic view of the contact structure of the present invention with a pipe;
in the figure, 1, a positioning box, 2, a side sealing cover, 3, an installation part, 4, a probe, 41, a glass boss, 42, a vibration sensor, 43, a temperature sensor, 44, a displacement sensor, 45, an ultrasonic transducer, 46, a strong magnet, 47, an inner sealing gasket, 48, an outer sealing gasket 5, a probe shell, 51, a coupling agent adding hole, 52, a coupling agent outflow hole, 53, an upper layer liquid storage cavity, 54, a lower layer cavity, 55, a baffle, 56, a pressing plate, 57, a lower rubber block, 58, an upper rubber block, 6, triangular iron, 7, a magnetic seat, 81, a square hole, 82, a top end sealing cover, 9, a battery, 10, a collecting board card, 11, a handle, 12 and a solar cell panel.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
the utility model provides a steel construction residual stress ultrasonic monitoring device, the key is: the device comprises a positioning box 1, a detection device, a power supply device and an information processing and transmitting device, wherein the detection device, the power supply device and the information processing and transmitting device are arranged on the positioning box 1;
the side, far away from the steel structure 1, of the positioning box 1 is provided with an opening, a side sealing cover 2 is fixed on the side sealing cover by means of screws, the side, opposite to the side sealing cover 2, of the positioning box 1 is provided with an installation part 3, and two magnetic force seats 7 are fixed at two ends of the positioning box 1 by means of triangular iron 6 and bolts;
the detection device comprises a probe shell 5 and a probe 4 arranged on the outer side of the probe shell 5, wherein the probe 4 is provided with a strong magnet 46 and glass bosses 41 from two ends to the middle, and a displacement sensor 44, a temperature sensor 43 and a vibration sensor 42 are sequentially arranged between the glass bosses 41; the probe shell 5 comprises an upper layer liquid storage cavity 53 and a lower layer cavity 54, wherein the top end of the upper layer liquid storage cavity 53 is provided with a couplant adding hole 51, the couplant adding hole 51 is provided with a rubber plug in a matching way, the side surface of the upper layer liquid storage cavity 53 is provided with a couplant outlet hole 52 by the lower opening, and the couplant outlet hole 52 is arranged above the glass boss 41; an inner sealing gasket 47 is arranged around the outer sides of the glass boss 41 and the couplant outflow hole 52, an outer sealing gasket 48 is fixed around the outer side of the probe 4, and an ultrasonic transducer 45 is fixedly connected to one end, close to the probe shell 5, of the glass boss 41.
In the embodiment shown in fig. 1-7, the whole positioning box 1 is fixed on a steel structure by means of the magnetic base 7 in an absorption manner to detect residual stress, before use, couplant such as oil is added into an upper liquid storage cavity 53 of a probe shell 5, a rubber plug is used for plugging a couplant adding hole 51 after the addition is finished, a positioning box 1 is fixed on the side surface of a steel structure by means of adsorption of a magnetic base 7 during use, a probe 4 is tightly attached to the steel structure by means of a powerful magnet 46, the couplant flows out from a couplant outflow hole 52 to a glass boss 41, an inner sealing gasket 47 annularly surrounds the glass boss and the couplant outflow hole 52 of the glass boss 41, the inner sealing gasket 47 is slightly higher than the glass boss 41, the glass boss 41 is not directly contacted with the steel structure but isolated with the coupling agent, and the inner sealing gasket 47 and the steel structure form a closed cavity, so that the flowing coupling agent cannot flow out, the waste of the coupling agent is reduced, the cost is saved, and the pollution is reduced; the displacement sensor 44 transmits a signal to the information processing and transmitting device by a line to detect whether the steel structure is deformed due to the change of the internal residual stress; the temperature sensor 43 is connected with a wire to transmit a signal to the information processing and transmitting device to detect the temperature of the steel structure at the moment; the ultrasonic transducer 45 is arranged in the probe shell 5, is matched with a glass boss 41 in the probe shell, refracts longitudinal waves by taking the glass boss 41 as a medium to detect the residual stress of the steel structure, and transmits detected signals to the information processing and transmitting device.
The probe shell 5 is fixedly arranged on the outer surface of the mounting part 3.
The probe shell 5 is arranged on the outer surface of the installation part 3, so that the whole detection device is easier to disassemble, and the couplant is added conveniently and quickly for manual on-line detection.
As shown in fig. 2 and 3, the probe housing 5 is fixedly installed in the positioning box 1, the probe 4 penetrates through the installation part 3 and extends out of the installation part 3, the positioning box 1 is provided with a baffle plate 55 and a pressure plate 56 for supporting the probe housing 5, the baffle plate 55 is parallel to the bottom surface of the positioning box 1 and is fixedly connected with the inner surface of the installation part 3, and the pressure plate 56 is parallel to the installation part 3 and is fixedly connected with the installation part 3 by means of a stud and a nut; a lower rubber block 57 is arranged between the bottom surface of the probe shell 5 and the baffle 55, and an upper rubber block 58 is arranged between the upper surface of the probe shell 5 and the positioning box 1; the positioning box 1 is provided with a square hole 81 corresponding to the couplant adding hole 51, and a top end sealing cover 82 is fixed on the square hole by means of a screw.
As shown in fig. 3, the power supply means includes a battery 9 mounted in the positioning box 1.
As shown in fig. 5-8, the information processing transmitting device includes a collecting board card 10, an automatic induction switch and a wireless transmitting device, the signal input end of the collecting board card 10 is connected with the probe 4, the signal output end of the collecting board card 10 is connected with the signal receiving end of the wireless transmitting device, and the wireless transmitting device is connected with the software app signal through a wireless signal.
Whole information processing emitter installs in location box 1, reduce interference such as external dust, vibration sensor 42 detects the steel construction and vibrates, during the steel construction vibration, vibration sensor 42 will detect the information of steel construction vibration, information will be transmitted information processing emitter, built-in inductive switch wherein will self-closing, information processing emitter just is in the dormancy state, the shutdown, when the steel construction does not vibrate, vibration sensor 42 can not feel the vibration, built-in inductive switch just opens automatically, information processing emitter begins to operate. Energy conservation and environmental protection, and reduces electricity waste.
As shown in FIG. 5, the surface of the probe casing 5 is provided with a handle 11 for mounting a detection device.
The handle 11 facilitates the removal of the probe housing 5.
As shown in fig. 9-11, the probe 4 is a straight probe, a concave probe or a convex probe.
The shape of the surface of the probe 4 is suitable for different steel structures, and the straight probe is used for steel rails and steel plates, such as seamless steel rails and the straight probe for large bridge steel structures; the concave probe or the convex probe is suitable for the steel structure with the surface being a circular arc surface, such as a large steel column and a west-east gas transmission pipeline, and the probe 4 has a wider application range due to different shapes, so that the probe can be better applied to various detection sites.
Claims (7)
1. The utility model provides a steel construction residual stress ultrasonic monitoring device which characterized in that: the device comprises a positioning box (1), a detection device, a power supply device and an information processing and transmitting device, wherein the detection device, the power supply device and the information processing and transmitting device are arranged on the positioning box (1), the power supply device supplies power for the detection device and the information processing and transmitting device by virtue of electric wires, and the signal output end of the detection device is connected with the information processing and transmitting device by virtue of a circuit;
the positioning box (1) is provided with an opening at one side far away from the steel structure (1) and is fixed with a side sealing cover (2) by virtue of a screw, the side of the positioning box (1) opposite to the side sealing cover (2) is provided with an installation part (3), and two magnetic force seats (7) are fixed at two ends of the positioning box (1) by virtue of triangular iron (6) and bolts;
the detection device comprises a probe shell (5) and a probe (4) arranged on the outer side of the probe shell (5), wherein the probe (4) is provided with a strong magnet (46) and glass bosses (41) from two ends to the middle, and a displacement sensor (44), a temperature sensor (43) and a vibration sensor (42) are sequentially arranged between the glass bosses (41); the probe shell (5) comprises an upper-layer liquid storage cavity (53) and a lower-layer cavity (54), a couplant adding hole (51) is formed in the top end of the upper-layer liquid storage cavity (53), a rubber plug is arranged in the couplant adding hole (51) in a matched mode, a couplant outflow hole (52) is formed in the side surface of the upper-layer liquid storage cavity (53) in a downward opening mode, and the couplant outflow hole (52) is formed in the upper portion of a glass boss (41); the outer sides of the glass boss (41) and the couplant outflow hole (52) are surrounded by an inner sealing gasket (47), the outer side of the probe (4) is surrounded and fixed by an outer sealing gasket (48), and one end, close to the probe shell (5), of the glass boss (41) is fixedly connected with an ultrasonic transducer (45).
2. The ultrasonic monitoring device for the residual stress of the steel structure according to claim 1, wherein: the probe shell (5) is fixedly arranged on the outer surface of the mounting part (3).
3. The ultrasonic monitoring device for the residual stress of the steel structure according to claim 1, wherein: the probe shell (5) is fixedly installed in the positioning box (1), the probe (4) penetrates through the installation part (3) and extends out of the installation part (3), the positioning box (1) is provided with a baffle plate (55) and a pressing plate (56) which support the probe shell (5), the baffle plate (55) is parallel to the bottom surface of the positioning box (1) and is fixedly connected with the inner surface of the installation part (3), and the pressing plate (56) is parallel to the installation part (3) and is fixedly connected with the installation part (3) by means of a stud and a nut; a lower rubber block (57) is arranged between the bottom surface of the probe shell (5) and the baffle plate (55), and an upper rubber block (58) is arranged between the upper surface of the probe shell (5) and the positioning box (1); the positioning box (1) is provided with a square hole (81) corresponding to the couplant adding hole (51), and a top end sealing cover (82) is fixed on the square hole by means of a screw.
4. The ultrasonic monitoring device for the residual stress of the steel structure according to claim 1, wherein: the power supply device comprises a battery (9) arranged in the positioning box (1).
5. The ultrasonic monitoring device for the residual stress of the steel structure according to claim 1, wherein: information processing emitter including gathering integrated circuit board (10), auto-induction switch and wireless transmitting device, acquisition integrated circuit board (10) signal input part be connected with probe (4), acquisition integrated circuit board (10) signal output part be connected with wireless transmitting device signal receiving terminal, wireless transmitting device pass through radio signal and software app signal connection.
6. The ultrasonic monitoring device for the residual stress of the steel structure according to claim 1, wherein: the surface of the probe shell (5) is provided with a handle (51) for installing a detection device.
7. The ultrasonic monitoring device for the residual stress of the steel structure according to claim 1, wherein: the probe (4) is a straight probe, a concave probe or a convex probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089758.7A CN112798164B (en) | 2021-01-22 | 2021-01-22 | Steel construction residual stress ultrasonic monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089758.7A CN112798164B (en) | 2021-01-22 | 2021-01-22 | Steel construction residual stress ultrasonic monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN112798164A true CN112798164A (en) | 2021-05-14 |
| CN112798164B CN112798164B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110089758.7A Active CN112798164B (en) | 2021-01-22 | 2021-01-22 | Steel construction residual stress ultrasonic monitoring device |
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| Country | Link |
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| CN (1) | CN112798164B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114324592A (en) * | 2021-12-31 | 2022-04-12 | 北京市政路桥股份有限公司 | Structure monitoring device based on BIM technology |
| CN116858411A (en) * | 2023-09-01 | 2023-10-10 | 德州市德城区冠宏机电设备有限公司 | Steel structure stress detection equipment and detection method |
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| CN116858411A (en) * | 2023-09-01 | 2023-10-10 | 德州市德城区冠宏机电设备有限公司 | Steel structure stress detection equipment and detection method |
| CN116858411B (en) * | 2023-09-01 | 2023-11-03 | 德州市德城区冠宏机电设备有限公司 | Steel structure stress detection equipment and detection method |
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| Publication number | Publication date |
|---|---|
| CN112798164B (en) | 2023-03-28 |
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