CN213398334U

CN213398334U - Metal ultrasonic flaw detector with high sensitivity

Info

Publication number: CN213398334U
Application number: CN202022036991.2U
Authority: CN
Inventors: 陈青楠
Original assignee: China Military Power Jiangsu Co ltd
Current assignee: China Military Power Jiangsu Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-08
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to an accurate instrument technical field just discloses a metal ultrasonic flaw detector that sensitivity is high, including the ultrasonic flaw detector body, the outer wall fixedly connected with shell of ultrasonic flaw detector body, the draw-in groove has been seted up to one side of shell, the inner wall swing joint of draw-in groove has the fixture block, one side fixedly connected with handle of fixture block, the outer wall fixedly connected with slipmat of handle, one side threaded connection of shell has first signal line to connect, the one end fixedly connected with signal line that first signal line connects, fixedly connected with second end cover between first signal line connects and the signal line, the one end fixedly connected with second signal line of signal line connects. This metal ultrasonic flaw detector that sensitivity is high can reach the effect that improves the sensitivity of detecting a flaw, has solved the problem that the metal is detected a flaw in-process sensitivity is not high and need many times of measurement, has improved people's work efficiency, has brought the facility for people's work.

Description

Metal ultrasonic flaw detector with high sensitivity

Technical Field

The utility model relates to a precision instruments technical field specifically is a metal ultrasonic flaw detector that sensitivity is high.

Background

The ultrasonic metal flaw detector is a portable industrial nondestructive flaw detector, and can detect, position, evaluate and diagnose various defects (including longitudinal cracks, transverse cracks, looseness, air holes, slag inclusion and the like) in a workpiece quickly, conveniently and accurately without damage. The device can be used in a laboratory and an engineering field. The ultrasonic flaw detector is widely applied to industries such as boilers, pressure vessels, aerospace, aviation, electric power, petroleum, chemical engineering, marine petroleum, pipelines, war industry, ship manufacturing, automobiles, mechanical manufacturing, metallurgy, metal processing industry, steel structures, railway traffic, nuclear power, colleges and universities, and the like. In general, in a uniform material, the existence of defects will cause discontinuity of the material, and the discontinuity often causes inconsistency of acoustic impedance, and it is known from reflection theorem that ultrasonic waves will be reflected on an interface between two media with different acoustic impedances, and the magnitude of the reflected energy is related to the difference of the acoustic impedances of the media on both sides of the interface and the orientation and the magnitude of the interface. The pulse reflection type ultrasonic flaw detector is designed according to the principle, a flaw exists in a steel workpiece, due to the existence of the flaw, an interface between different media is formed between the flaw and the steel material, acoustic impedances between the interfaces are different, when transmitted ultrasonic waves meet the interface, reflection occurs, reflected energy is received by a probe, the waveform of a reflected wave is displayed at a certain position of an abscissa in a display screen, the position of the abscissa is the depth of the flaw in a detected material, and the height and the shape of the reflected wave are different defects. Most ultrasonic flaw detectors on the market all need to hand the stabilization probe after confirming the position of detecting a flaw when detecting a flaw at present, can have unstable data when measuring, cause the influence to measurement accuracy, and the work of giving people has brought the trouble to influenced people's work efficiency, subsequent data analysis that measuring error also is right produces the influence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a metal ultrasonic flaw detector that sensitivity is high possesses the high advantage of sensitivity of detecting a flaw, has solved the not high problem of this metal ultrasonic flaw detector sensitivity.

(II) technical scheme

For the purpose that realizes that above-mentioned sensitivity of detecting a flaw is high, the utility model provides a following technical scheme: a high-sensitivity metal ultrasonic flaw detector comprises an ultrasonic flaw detector body, wherein a shell is fixedly connected to the outer wall of the ultrasonic flaw detector body, a clamping groove is formed in one side of the shell, a clamping block is movably connected to the inner wall of the clamping groove, a handle is fixedly connected to one side of the clamping block, an anti-slip pad is fixedly connected to the outer wall of the handle, a first signal wire connector is in threaded connection with one side of the shell, a signal wire is fixedly connected to one end of the first signal wire connector, a second end cover is fixedly connected between the first signal wire connector and the signal wire, a second signal wire connector is fixedly connected to one end of the signal wire, a first end cover is fixedly connected between the signal wire and the second signal wire connector, a probe body is in threaded connection with one end of the second signal wire connector, and a probe shell is fixedly connected to the outer wall of the, the utility model discloses a probe, including probe shell, spout, slider, magnetism, one side fixedly connected with magnetism of slider is inhaled the shell, the bottom fixedly connected with magnet of shell is inhaled to magnetism, one side fixedly connected with non-slipping spur of shell is inhaled to magnetism, the bottom fixedly connected with stopper of probe shell.

Preferably, the outer wall of the signal wire is fixedly connected with a protective layer, and the protective layer is a nylon woven protective layer.

Preferably, the limiting blocks are plastic limiting blocks, and the number of the limiting blocks is two.

Preferably, the non-slip mat is a rubber non-slip mat, and the outer wall surface of the non-slip mat is provided with a groove.

Preferably, the magnets are neodymium iron boron strong magnets, and the number of the magnets is two.

Preferably, the thickness of the antiskid block is five millimeters, and the surface of the antiskid block is subjected to sanding treatment.

Preferably, the handle is a U-shaped handle, and the outer wall of the handle is sprayed with a wear-resistant layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a metal ultrasonic flaw detector that sensitivity is high possesses following beneficial effect:

1. this metal ultrasonic flaw detector that sensitivity is high, through the shell, non slipping spur, magnet, stopper and the spout are inhaled to probe body, slider, magnetism that set up, can reach the effect that improves the sensitivity of detecting a flaw, solved the sensitive not high problem that needs a lot of measurements of metal flaw detection in-process, improved people's work efficiency, the work of giving people has brought the facility.

2. The high-sensitivity metal ultrasonic flaw detector has the advantages that the effect of protecting signal lines can be achieved through the arranged first end cover, the second end cover and the protective layer, the service life of the signal lines is prolonged, the signal lines can be well protected during working, damage to the signal lines caused by unintentional pulling and rubbing is avoided, and convenience is brought to use of people.

3. This metal ultrasonic flaw detector that sensitivity is high through draw-in groove, fixture block, handle and the slipmat that sets up, can reach the effect of portable flaw detector, has solved the problem of portable not convenient for in the flaw detector use, can also support the flaw detector as the support when using, and the use of giving people has brought the facility, has improved people's work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the connection structure of the magnetic attraction housing and the slider.

In the figure: 1. an ultrasonic flaw detector body; 2. a housing; 3. a first signal line connector; 4. a signal line; 5. a second signal line connector; 6. a probe housing; 7. a probe body; 8. a slider; 9. the shell is magnetically attracted; 10. anti-skid blocks; 11. a magnet; 12. a limiting block; 13. a chute; 14. a first end cap; 15. a second end cap; 16. a protective layer; 17. a card slot; 18. a clamping block; 19. a handle; 20. a non-slip mat.

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 without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-sensitivity metal ultrasonic flaw detector comprises an ultrasonic flaw detector body 1, a housing 2 is fixedly connected to an outer wall of the ultrasonic flaw detector body 1, a clamping groove 17 is formed in one side of the housing 2, a clamping block 18 is movably connected to an inner wall of the clamping groove 17, a handle 19 is fixedly connected to one side of the clamping block 18, an anti-slip pad 20 is fixedly connected to an outer wall of the handle 19, the effect of conveniently carrying the flaw detector can be achieved by the clamping groove 17, the clamping block 18, the handle 19 and the anti-slip pad 20, the problem that the flaw detector is inconvenient to carry in use is solved, the flaw detector can be supported by serving as a bracket when in use, convenience is brought to people, the work efficiency of people is improved, a first signal wire connector 3 is connected to one side of the housing 2 through a thread, and a signal wire 4 is fixedly connected to one end of the, a second end cover 15 is fixedly connected between the first signal wire connector 3 and the signal wire 4, one end of the signal wire 4 is fixedly connected with a second signal wire connector 5, a first end cover 14 is fixedly connected between the signal wire 4 and the second signal wire connector 5, one end of the second signal wire connector 5 is in threaded connection with a probe body 7, the outer wall of the probe body 7 is fixedly connected with a probe shell 6, one side of the probe shell 6 is provided with a chute 13, the inner wall of the chute 13 is movably connected with a slide block 8, one side of the slide block 8 is fixedly connected with a magnetic suction shell 9, the bottom of the magnetic suction shell 9 is fixedly connected with a magnet 11, one side of the magnetic suction shell 9 is fixedly connected with an antiskid block 10, the bottom of the probe shell 6 is fixedly connected with a limiting block 12, and the effect of improving the flaw detection sensitivity can be achieved through the arranged probe body 7, the slide block 8, the magnetic suction, the problem that sensitivity is not high in the metal flaw detection process, multiple measurement is needed is solved, work efficiency of people is improved, convenience is brought to work of people, a protective layer 16 is fixedly connected to the outer wall of a signal wire 4, the effect of protecting the signal wire 4 can be achieved through the arranged first end cover 14, the second end cover 15 and the protective layer 16, the service life of the signal wire 4 is prolonged, the signal wire 4 can be well protected during work, damage to the signal wire 4 caused by unintentional pulling and scratching is avoided, convenience is brought to use of people, the protective layer 16 is a nylon woven protective layer, the limiting blocks 12 are plastic limiting blocks, the limiting blocks 12 are two, the non-slip mat 20 is a rubber non-slip mat, a groove is formed in the outer wall surface of the non-slip mat 20, the magnets 11 are neodymium iron boron strong magnets, the magnets 11 are two, the thickness of the non-slip blocks 10 is five millimeters, and the surface of the antiskid block 10 is frosted, the handle 19 is a U-shaped handle, and the outer wall of the handle 19 is sprayed with a wear-resistant layer.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When using, open the appearance of detecting a flaw, place probe body 7 on the steelwork the position that need be detected a flaw, the steelwork can be inhaled to magnet 11, and magnetism is inhaled shell 9 and can be moved spout 13 bottom, compresses tightly probe shell 6 through stopper 12 to probe body 7 can be inseparable pastes on the steelwork surface.

In conclusion, the high-sensitivity metal ultrasonic flaw detector can achieve the effect of improving flaw detection sensitivity, solves the problems that the sensitivity is low and multiple measurements are needed in the metal flaw detection process, and improves the working efficiency of people.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal ultrasonic flaw detector that sensitivity is high, includes ultrasonic flaw detector body (1), its characterized in that: the ultrasonic flaw detector comprises an ultrasonic flaw detector body (1), and is characterized in that a shell (2) is fixedly connected to the outer wall of the ultrasonic flaw detector body (1), a clamping groove (17) is formed in one side of the shell (2), a clamping block (18) is movably connected to the inner wall of the clamping groove (17), a handle (19) is fixedly connected to one side of the clamping block (18), an anti-slip pad (20) is fixedly connected to the outer wall of the handle (19), a first signal wire connector (3) is connected to one side of the shell (2) through threads, a signal wire (4) is fixedly connected to one end of the first signal wire connector (3), a second end cover (15) is fixedly connected between the first signal wire connector (3) and the signal wire (4), a second signal wire connector (5) is fixedly connected to one end of the signal wire (4), and a first end cover (14) is fixedly connected between the signal wire (, one end threaded connection of second signal line joint (5) has probe body (7), the outer wall fixedly connected with probe shell (6) of probe body (7), spout (13) have been seted up to probe shell (6) one side, the inner wall swing joint of spout (13) has slider (8), shell (9) is inhaled to one side fixedly connected with magnetism of slider (8), the bottom fixedly connected with magnet (11) of shell (9) is inhaled to magnetism, one side fixedly connected with non slipping spur (10) of shell (9) is inhaled to magnetism, the bottom fixedly connected with stopper (12) of probe shell (6).

2. The ultrasonic metal flaw detector of claim 1, wherein: the outer wall of the signal wire (4) is fixedly connected with a protective layer (16), and the protective layer (16) is a nylon woven protective layer.

3. The ultrasonic metal flaw detector of claim 1, wherein: the limiting blocks (12) are plastic limiting blocks, and the number of the limiting blocks (12) is two.

4. The ultrasonic metal flaw detector of claim 1, wherein: the anti-slip mat (20) is a rubber anti-slip mat, and the outer wall surface of the anti-slip mat (20) is provided with a groove.

5. The ultrasonic metal flaw detector of claim 1, wherein: the magnet (11) is a neodymium iron boron strong magnet, and the number of the magnets (11) is two.

6. The ultrasonic metal flaw detector of claim 1, wherein: the thickness of the anti-skid block (10) is five millimeters, and the surface of the anti-skid block (10) is subjected to frosting treatment.

7. The ultrasonic metal flaw detector of claim 1, wherein: the handle (19) is a U-shaped handle, and the outer wall of the handle (19) is sprayed with a wear-resistant layer.