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CN212228827U - Digital ultrasonic flaw detector - Google Patents

Digital ultrasonic flaw detector Download PDF

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Publication number
CN212228827U
CN212228827U CN202020705886.0U CN202020705886U CN212228827U CN 212228827 U CN212228827 U CN 212228827U CN 202020705886 U CN202020705886 U CN 202020705886U CN 212228827 U CN212228827 U CN 212228827U
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CN
China
Prior art keywords
flaw detector
ultrasonic flaw
laser
range finder
digital ultrasonic
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CN202020705886.0U
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Chinese (zh)
Inventor
王强
刘红权
范力文
李烨
陈骞
矫延林
郎惠珍
代小号
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Guoneng boiler and Pressure Vessel Inspection Co.,Ltd.
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Guodian Boiler And Pressure Vessel Inspection Co ltd
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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The utility model discloses a digital ultrasonic flaw detector, including ultrasonic transducer, fixedly connected with laser range finder on the ultrasonic transducer, laser range finder is including the transceiver who is located the front portion, transceiver's front side is provided with the laser probe that can launch and receive the laser beam, ultrasonic transducer's leading flank with the laser probe parallel and level. The utility model has the advantages that: when having avoided ultrasonic transverse wave inspection, because of forgetting to carry the dipperstick or the dipperstick loses the inconvenience that causes of losing, increased the convenience of judging nature, source, position etc. to the reflection signal, reduced measurement personnel working strength, improved detection efficiency.

Description

Digital ultrasonic flaw detector
Technical Field
The utility model relates to a technical field of ultrasonic flaw detector particularly, relates to a digital ultrasonic flaw detector.
Background
The ultrasonic wave detection method is one of the most commonly used detection methods in the field of nondestructive detection, wherein ultrasonic transverse wave detection is mainly used for quality detection of butt weld joints of pipelines, small-diameter pipes, pressure vessels and the like, connection pipe fillet weld joints, high-strength bolt threads and the like, and is mainly used for finding defects in the interior of the weld joints and at the root parts of the threads, so that the ultrasonic transverse wave detection has wide application range and high reliability.
At present, ultrasonic inspection is mostly finished by adopting a digital ultrasonic flaw detector, the depth and the horizontal position of a reflected wave can be directly read, and the defect property is judged by detecting the position of the reflected wave at the root of the ultrasonic wave. In order to accurately eliminate the defects at the later stage, or judge the properties of the generated reflection signals, or facilitate long-term supervision of the defect expansion condition, the defects need to be accurately positioned, so that after the horizontal distance from the defects to the front end of a probe is read on a digital ultrasonic flaw detector, the corresponding size is measured by a steel plate ruler, and then identification is carried out or the properties of the defects are judged. Therefore, a measuring scale is required to be arranged during ultrasonic detection, no measuring scale is provided, and the defect cannot be accurately measured by finding an ultrasonic reflection signal, so that the defect property judgment and inspection result is influenced, the defect misjudgment or inaccurate positioning can be caused, and the defect elimination effect is influenced. If the measuring scale is forgotten to be taken or lost, a lot of inconvenience is brought to ultrasonic inspection. In addition, the numerical precision of the horizontal distance which can be displayed by the current digital ultrasonic flaw detector is 0.1mm, the precision of manual measurement by using a steel plate ruler or a tape measure can only be 0.5mm, and the precision is not matched, so that additional measurement errors are caused.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a digital ultrasonic flaw detector, it installs small-size laser range finder additional on ultrasonic transverse wave probe, comes to carry out accurate survey to the distance of target through laser range finder, has made things convenient for ultrasonic inspection, has improved measurement accuracy, has improved detection efficiency, has reduced working strength, has practiced thrift the human cost.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a digital ultrasonic flaw detector, includes ultrasonic transducer, fixedly connected with laser range finder on the ultrasonic transducer, laser range finder is including the transceiver who is located the front portion, transceiver's front side is provided with the laser probe that can launch and receive the laser beam, ultrasonic transducer's leading flank with the laser probe parallel and level.
Further, ultrasonic probe includes the shell, the inside of shell is provided with piezoelectric wafer, the bottom of shell be provided with the corresponding opening of piezoelectric wafer, piezoelectric wafer passes through cable conductor connecting plug, plug fixed connection be in the trailing flank of shell, the leading flank of shell with laser probe parallel and level.
Further, the laser range finder is fixedly connected to the top of the shell.
Further, the piezoelectric wafer is mounted on a damping mass.
Further, sound absorption materials are filled between the inner wall of the shell and the damping block.
Further, the bottom of the sound absorption material is provided with an organic glass wedge corresponding to the piezoelectric wafer.
Further, the laser range finder comprises a host.
Further, the front side of host computer sets up transceiver, the rear side of host computer is provided with shift knob, the top of host computer is provided with display screen and detachable display screen backplate respectively.
Further, the host computer comprises a controller, and the controller is respectively connected with the switch button, the transceiver and the display screen.
Further, the precision of the laser range finder is at least 0.1 mm.
The utility model has the advantages that: need not carry the dipperstick specially again when carrying out ultrasonic detection, if need carry out horizontal location to ultrasonic wave reflected signal, then can open laser range finder, through transceiver transmitting laser, and receive the reflection laser of target location, and through host computer processing calculation, can directly show ultrasonic probe leading flank and target location's distance numerical value on the display screen, thereby when having avoided ultrasonic wave transverse wave inspection, because of forgetting to carry dipperstick or dipperstick to lose the inconvenience that causes, the nature to reflected signal has been increased, the source, the convenience of judgement such as position, staff's working strength has been reduced, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a digital ultrasonic flaw detector according to an embodiment of the present invention;
fig. 2 is a top view of a digital ultrasonic flaw detector according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a digital ultrasonic flaw detector according to an embodiment of the present invention in use.
In the figure:
1. a plug; 2. a housing; 3. a sound absorbing material; 4. a cable wire; 5. a damping block; 6. a piezoelectric wafer; 7. an organic glass wedge; 8. a laser range finder; 9. a switch button; 10. a transmitter-receiver; 11. a display screen; 12. display screen backplate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-3, according to the embodiment of the present invention, a digital ultrasonic flaw detector comprises an ultrasonic probe, fixedly connected with laser range finder 8 on the ultrasonic probe, laser range finder 8 includes transceiver 10 that is located at the front, transceiver 10's front side is provided with the laser probe that can launch and receive the laser beam, ultrasonic probe's leading flank with the laser probe parallel and level.
In a specific embodiment of the utility model, the ultrasonic probe includes shell 2, the inside of shell 2 is provided with piezoelectric wafer 6, the bottom of shell 2 be provided with the opening that piezoelectric wafer 6 corresponds, piezoelectric wafer 6 passes through cable conductor 4 and connects plug 1, plug 1 fixed connection be in the trailing flank of shell 2, the leading flank of shell 2 with laser probe is even and level.
In a specific embodiment of the present invention, the laser range finder 8 is fixedly connected to the top of the housing 2.
In a specific embodiment of the present invention, the piezoelectric wafer 6 is mounted on the damping block 5.
In a specific embodiment of the present invention, a sound absorbing material 3 is filled between the inner wall of the housing 2 and the damping block 5.
In a specific embodiment of the present invention, the bottom of the sound absorbing material 3 is provided with an organic glass wedge 7 corresponding to the piezoelectric wafer 6.
In a specific embodiment of the present invention, the laser range finder 8 comprises a host.
In a specific embodiment of the present invention, the front side of the host is provided with the transceiver 10, the rear side of the host is provided with the switch button 9, and the top of the host is provided with the display screen 11 and the detachable display screen guard plate 12 respectively.
In a specific embodiment of the present invention, the host comprises a controller, and the controller is connected to the switch button 9, the transceiver 10 and the display screen 11 respectively.
In a specific embodiment of the present invention, the precision of the laser distance measuring device 8 is at least 0.1 mm.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
Digital ultrasonic flaw detector include ultrasonic transducer and laser range finder 8.
The ultrasonic probe is a transverse wave probe and comprises a plug 1, a shell 2, a sound absorption material 3, a cable 4, a damping block 5, a piezoelectric wafer 6 and an organic glass wedge 7.
The plug 1 is used for connecting with an ultrasonic probe line. The housing 2 serves to protect the internal components. The sound absorbing material 3 is used for absorbing noise waves and interference signals caused by the internal structure of the ultrasonic probe. The cable 4 is used for propagating ultrasonic signals. The damping mass 5 serves to damp the vibration of the piezoelectric wafer 6. The piezoelectric wafer 6 is used for transmitting and receiving acoustic signals for acoustic-electric conversion. The organic glass wedge 7 can realize various refraction angles of the transverse wave probe by making different slopes.
The laser distance measuring instrument 8 is an instrument for accurately measuring the distance of a target by transmitting and receiving modulated laser beams, the laser distance measuring instrument 8 is used for measuring the horizontal distance of a reflected signal, the precision is at least 0.1mm (the precision is the same as the display numerical value precision of a digital ultrasonic flaw detector), and the laser distance measuring instrument 8 comprises a host, a switch button 9, a transmitting and receiving device 10, a display screen 11, a display screen guard plate 12 and the like.
The front side of the main machine is provided with a transmitting and receiving device 10, the rear side of the main machine is provided with a switch button 9, and the top of the main machine is provided with a display screen 11 and a display screen guard plate 12. The host computer comprises a controller, the controller comprises a single chip microcomputer, and the controller is respectively connected with a switch button 9, a transmitting and receiving device 10 and a display screen 11.
The host is the control and computing center. The switch button 9 is used for controlling the on and off of the laser range finder 8. The transceiver 10 is used for transmitting and receiving laser beams, the transceiver 10 comprises a transmitter and a receiver, a transmitting probe is arranged on the front side of the transmitter, a receiving probe is arranged on the rear side of the receiver, and the laser probe (including the transmitting probe and the receiving probe) is flush with the front side surface of the shell 2. The display screen 11 is used for displaying the measurement numbers. The display screen protecting plate 12 is detachable and can be used not only for protecting the display screen 11 but also as a reflector for reflecting the laser beam.
Digital ultrasonic flaw detector when concrete application, use earlier the ultrasonic probe who marks to carry out the transverse wave to the work piece and detect, if discover suspicious ultrasonic wave reflection signal in the testing process, digital ultrasonic flaw detector can direct display reflection signal apart from the horizontal distance of ultrasonic probe leading flank. At this moment, the display screen protection plate 12 of the laser range finder 8 is detached, the display screen protection plate 12 is placed in front of the laser range finder 8 and horizontally moves back and forth along the vertical workpiece until the display numerical value of the display screen 11 is the same as the number displayed by the digital ultrasonic flaw detector, the horizontal position of the display screen protection plate 12 is the horizontal position of the ultrasonic reflection signal at this moment, inspectors can judge the properties, sources and other problems of the reflection signal according to the horizontal position of the ultrasonic reflection signal, the detection efficiency is improved, and inconvenience caused by forgetting to bring a measuring scale and the like during detection is avoided. After the measurement is finished, the switch button of the laser range finder is closed, and the display screen guard plate 12 is installed to prevent the display screen 11 from being damaged.
To sum up, with the help of the utility model discloses an above-mentioned technical scheme, need not carry the dipperstick specially again when carrying out ultrasonic detection, if need carry out horizontal location to ultrasonic wave reflected signal, then can open laser range finder, through transceiver lasing, and receive target position's reflection laser, and through host computer processing calculation, can directly show ultrasonic probe leading flank and target position's distance numerical value on the display screen, thereby when having avoided ultrasonic wave transverse wave inspection, lose the inconvenience that causes because of forgetting to carry dipperstick or dipperstick, increased the nature to reflected signal, the source, the convenience of judgement such as position, the staff working strength has been reduced, detection efficiency is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a digital ultrasonic flaw detector, includes ultrasonic transducer, its characterized in that, fixedly connected with laser range finder (8) on the ultrasonic transducer, laser range finder (8) are including transceiver (10) that are located the front portion, the front side of transceiver (10) is provided with the laser probe that can launch and receive the laser beam, ultrasonic transducer's leading flank with the laser probe parallel and level.
2. The digital ultrasonic flaw detector according to claim 1, wherein the ultrasonic probe comprises a housing (2), a piezoelectric wafer (6) is arranged inside the housing (2), an opening corresponding to the piezoelectric wafer (6) is arranged at the bottom of the housing (2), the piezoelectric wafer (6) is connected with a plug (1) through a cable (4), the plug (1) is fixedly connected with the rear side of the housing (2), and the front side of the housing (2) is flush with the laser probe.
3. The digital ultrasonic flaw detector of claim 2, wherein the laser range finder (8) is fixedly connected to the top of the housing (2).
4. The digital ultrasonic flaw detector according to claim 2, wherein the piezoelectric wafer (6) is mounted on a damping block (5).
5. The digital ultrasonic flaw detector according to claim 4, wherein a sound absorbing material (3) is filled between the inner wall of the housing (2) and the damping block (5).
6. The digital ultrasonic flaw detector according to claim 5, characterized in that the bottom of the sound absorbing material (3) is provided with perspex wedges (7) corresponding to the piezoelectric wafer (6).
7. The digital ultrasonic flaw detector of claim 1, wherein the laser range finder (8) comprises a host computer.
8. The digital ultrasonic flaw detector of claim 7, wherein the transmitter/receiver (10) is arranged on the front side of the main machine, the switch button (9) is arranged on the rear side of the main machine, and the display screen (11) and the detachable display screen guard plate (12) are respectively arranged on the top of the main machine.
9. The digital ultrasonic flaw detector of claim 8, wherein the host computer comprises a controller, and the controller is respectively connected with the switch button (9), the transceiver (10) and the display screen (11).
10. The digital ultrasonic flaw detector of claim 1, wherein the accuracy of the laser range finder (8) is at least 0.1 mm.
CN202020705886.0U 2020-04-30 2020-04-30 Digital ultrasonic flaw detector Active CN212228827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020705886.0U CN212228827U (en) 2020-04-30 2020-04-30 Digital ultrasonic flaw detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020705886.0U CN212228827U (en) 2020-04-30 2020-04-30 Digital ultrasonic flaw detector

Publications (1)

Publication Number Publication Date
CN212228827U true CN212228827U (en) 2020-12-25

Family

ID=73909665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020705886.0U Active CN212228827U (en) 2020-04-30 2020-04-30 Digital ultrasonic flaw detector

Country Status (1)

Country Link
CN (1) CN212228827U (en)

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Address after: No. 2096, Beijing New Energy Technology Research Institute

Patentee after: Guoneng boiler and Pressure Vessel Inspection Co.,Ltd.

Address before: No. 2096, Beijing New Energy Technology Research Institute

Patentee before: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION Co.,Ltd.