CN218995247U

CN218995247U - Ultrasonic detection probe for industrial flaw detection

Info

Publication number: CN218995247U
Application number: CN202222800789.1U
Authority: CN
Inventors: 陈江龙
Original assignee: Jiangsu Rongqing Science & Technology Co ltd
Current assignee: Jiangsu Rongqing Science & Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-05-09
Anticipated expiration: 2032-10-24

Abstract

The utility model belongs to the technical field of industrial detection instruments, and particularly relates to an ultrasonic detection probe for industrial flaw detection, which comprises a high-frequency cable, wherein one end of the high-frequency cable is wrapped with a joint nut, the joint nut is fixedly connected with one end of a metal shell, the outer layer of the metal shell is wrapped with a couplant storage bin, and one side surface of the couplant storage bin is provided with a couplant adding port. According to the utility model, the metal shell, the couplant storage bin, the extension line connector, the protective film, the base, the hole groove, the sliding column, the fixed gasket, the spring, the blocking piece, the ball, the protective shell and the limiting groove are arranged, when an object needs to be detected, the ball of the base rolls, the couplant is uniformly smeared on the surface of the object, the ball can be utilized to push and detect the surface of the object, a manual smearing tool is omitted, the extension bar connector is used for coping with a narrow detection environment, the multi-functional detectability is improved, and the device is suitable for different working environments.

Description

Ultrasonic detection probe for industrial flaw detection

Technical Field

The utility model relates to the technical field of industrial detection instruments, in particular to an ultrasonic detection probe for industrial flaw detection.

Background

The nondestructive inspection is to use the characteristics of sound, light, magnetism, electricity and the like to detect whether defects or non-uniformity exist in an inspected object on the premise of not damaging or affecting the service performance of the inspected object, give out information such as the size, the position, the property, the quantity and the like of the defects, further judge the total NDT of all technical means of the technical state of the inspected object, and refer to a detection means which does not damage or affect the future service performance or the use of the inspected object, and when the ultrasonic inspection probe is used, a painting tool is usually used for painting a coupling agent to fill the probe and the surface of the inspected object manually, which is time-consuming and labor-consuming, and inconvenient to operate in some narrow detection spaces.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an ultrasonic detection probe for industrial flaw detection, and solves the problems that the artificial coating of couplant is time-consuming and labor-consuming, and the probe is inconvenient to take in a narrow detection space, which are proposed in the background art.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an ultrasonic detection probe for industrial flaw detection, includes the high frequency cable conductor, the one end parcel of high frequency cable conductor has the joint nut, the joint nut is connected and is fixed in the one end of metal casing, the outer parcel of metal casing has the couplant to store the storehouse, one side of couplant to store the storehouse is provided with the couplant on the surface and adds the mouth, the junction part department on metal casing and couplant storage storehouse two upper portions is provided with the extension pole and connects, first damping piece, second damping piece, third damping piece, sound absorbing material, matching layer and piezoelectric wafer have set gradually from the top down in the cavity of metal casing, the laminating has the protection film on the face of piezoelectric wafer, the bottom one end of couplant storage storehouse is connected with the base, evenly seted up the hole groove on an terminal surface of base, kong Caoqiang body center is provided with the slip post, fixedly connected with fixed gasket on the slip post, the one end of slip post is connected with the jam piece, fixed gasket and the middle cover of jam piece are equipped with the spring, kong Caode portion one end is provided with the ball, the protective housing bottom is provided with the protective housing, the base can be connected with the spacing groove with on the face of the base.

Further, threads are arranged on the outer wall of the upper end of the extension rod joint.

Further, a cavity for storing the couplant is formed between the couplant storage bin and the metal shell.

Further, the whole base that runs through of hole groove sets up, and the last port in hole groove and couplant store the cavity intercommunication that forms between storehouse and the metal casing.

Further, ten holes are formed in the hole groove, the inner structures of the holes are the same, and a plurality of holes are formed in the fixing gasket.

Further, the limiting protruding blocks on the protective shell are embedded in the limiting grooves formed in the base, and the inner surface of the protective shell does not touch the balls.

(III) beneficial effects

Compared with the prior art, the utility model provides an ultrasonic detection probe for industrial flaw detection, which has the following beneficial effects:

according to the utility model, the metal shell, the couplant storage bin, the extension line connector, the protective film, the base, the hole groove, the sliding column, the fixed gasket, the spring, the blocking piece, the ball, the protective shell and the limiting groove are arranged, when an object needs to be detected, the ball of the base rolls, the couplant is uniformly smeared on the surface of the object, the ball can be utilized to push and detect the surface of the object, a manual smearing tool is omitted, the extension bar connector is used for coping with a narrow detection environment, the multi-functional detectability is improved, and the device is suitable for different working environments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

fig. 3 is a schematic diagram of the structure at a in fig. 2.

In the figure: 1. a high-frequency cable; 2. a joint nut; 3. a metal shell; 4. a couplant storage bin; 5. a couplant addition port; 6. an extension rod joint; 7. a first damping block; 8. a second damping block; 9. a third damping block; 10. a sound absorbing material; 11. a matching layer; 12. a piezoelectric wafer; 13. a protective film; 14. a base; 15. a hole groove; 16. a sliding column; 17. fixing the gasket; 18. a spring; 19. a blocking member; 20. a ball; 21. a protective shell; 22. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1, fig. 2 and fig. 3, an ultrasonic detection probe for industrial flaw detection provided by an embodiment of the utility model comprises a high-frequency cable 1, wherein one end of the high-frequency cable 1 is wrapped with a joint nut 2, the joint nut 2 is fixedly connected with one end of a metal shell 3, the outer layer of the metal shell 3 is wrapped with a couplant storage bin 4, one side surface of the couplant storage bin 4 is provided with a couplant adding port 5, the connecting part of the upper parts of the metal shell 3 and the couplant storage bin 4 is provided with an extension rod joint 6, a cavity of the metal shell 3 is internally provided with a first damping block 7, a second damping block 8, a third damping block 9, a sound absorbing material 10, a matching layer 11 and a piezoelectric wafer 12 in sequence from top to bottom, a protective film 13 is attached to the surface of the piezoelectric wafer 12, one end of the bottom of the couplant storage bin 4 is connected with a base 14, one end of the base 14 is uniformly provided with a hole slot 15, the center of the cavity of the hole slot 15 is provided with a sliding column 16, one end of the sliding column 16 is fixedly connected with a fixed gasket 17, one end of the sliding column 16 is connected with a fixed plug 19, a middle sleeve 19 is provided with a ball 21, and a bottom 21 is provided with a protective shell 21 is arranged at the bottom of the base 21, and a protective shell 21 is connected with the bottom 21;

in summary, when the probe is used, the couplant is poured into the couplant storage bin 4 from the couplant adding port 5, one end of the base 14 of the probe is horizontally placed on the surface of an object to be detected, the probe is held to lightly press the surface of the object, the ball 20 is forced to slide into the hole groove 15, the ball 20 is limited to move in the cavity of the hole groove 15 and props against the bottom end of the sliding column 16, the sliding column 16 is forced to move upwards, the fixed gasket 17 is driven to move, the blocking piece 19 fixed at the top end of the sliding column 16 moves upwards, the hole groove 15 is connected with the couplant storage bin 4, the couplant flows into the hole groove 15 along a gap, the fixed gasket 17 is provided with a flow-limiting hole, the couplant is limited to flow out too much, the couplant flows to the surface of the ball 20, the ball 20 rolls on the surface of the detected object, and simultaneously smears the couplant, the detection can be pushed on the surface of the object at a constant speed, the step of manually smearing by using a smearing tool is omitted, when the detection is completed, only the probe is required to be lifted, the spring 18 can prop against the fixed gasket 17 to drive the sliding column 16 and the blocking piece 19 to reset, the through connection between the open hole groove 15 and the couplant storage bin 4 is realized, at the moment, the couplant does not flow out any more, when the detection is performed in a narrow detection environment, the extension rod connector 6 can be connected with an extension rod, the probe is controlled to complete the detection in a narrow space, the protective shell 21 under the base 14 is effectively dustproof, the piezoelectric wafer 12 is protected, the detection accuracy is ensured, and the whole design of the probe is less manual under the premise of ensuring the use, so that various use conditions are satisfied.

As shown in fig. 1 and 2, in this embodiment, the outer wall of the upper end of the extension rod connector 6 is provided with threads, so that when the operator in a narrow space is inconvenient to operate, the device is threaded for assisting in lengthening the extension rod, and the device is used by penetrating into the narrow space by using the arrangement of the extension rod.

As shown in fig. 1 and 2, in this embodiment, a cavity for storing the couplant is formed between the couplant storage bin 4 and the metal shell 3, and the volume can store more couplant, so that the probe can automatically fill the couplant, and the step of manually applying the couplant is omitted.

As shown in fig. 2, in this embodiment, the hole slot 15 is entirely formed through the base 14, the upper port of the hole slot 15 is communicated with the cavity formed between the couplant storage bin 4 and the metal shell 3, and the ball 20 pushes the sliding column 16 to drive the blocking member 19 to open the couplant circulation channel, so that the couplant in the cavity of the couplant storage bin 4 flows to the surface of the object to be detected.

As shown in fig. 1, in this embodiment, ten holes are formed in the hole slots 15, each of which has the same internal structure, and a plurality of holes are formed in the fixing pad 17, so that the uniformity of the couplant is improved when the couplant is smeared by the hole slots 15, and the holes of the fixing pad 17 can control the flow of the couplant, so that the waste of the couplant due to excessive flow is avoided.

As shown in fig. 1 and 2, in the present embodiment, the limit bump on the protective housing 21 is embedded in the limit groove 22 formed on the base 14, the ball 20 is not abutted against the inner surface of the protective housing 21, so that the piezoelectric wafer 12 is prevented from being damaged by dust accumulation, the ball 20 is prevented from being touched while inaccurate detection is prevented, and the couplant is prevented from flowing out when the piezoelectric wafer is not used.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an ultrasonic detection probe for industrial flaw detection, includes high-frequency cable line (1), its characterized in that: the high-frequency cable comprises a high-frequency cable body (1), a coupling nut (2) is wrapped at one end of the high-frequency cable body (1), the coupling nut (2) is fixedly connected to one end of a metal shell (3), a couplant storage bin (4) is wrapped at the outer layer of the metal shell (3), a couplant adding port (5) is formed in one side surface of the couplant storage bin (4), an extension rod joint (6) is arranged at the connecting position of the upper parts of the metal shell (3) and the couplant storage bin (4), a first damping block (7), a second damping block (8), a third damping block (9), a sound absorbing material (10), a matching layer (11) and a piezoelectric wafer (12) are sequentially arranged in a cavity of the metal shell (3) from top to bottom, a protective film (13) is attached to the surface of the piezoelectric wafer (12), a base (14) is connected to one end of the bottom of the couplant storage bin (4), a hole groove (15) is uniformly formed in one end surface of the base (14), a sliding column (16) is arranged in the center of the hole groove (15), a sliding column (16) is arranged on the sliding column (16), a fixed block (17) is connected to one end of the sliding column (19), the ball (20) is arranged at one end of the bottom of the hole groove (15), the protective shell (21) is arranged at the bottom of the base (14), and the base (14) is provided with a limit groove (22) which can be connected with the protective shell (21) in a matching mode.

2. An ultrasonic inspection probe for industrial inspection according to claim 1, wherein: the outer wall of the upper end of the extension rod joint (6) is provided with threads.

3. An ultrasonic inspection probe for industrial inspection according to claim 1, wherein: the couplant storage bin (4) and the metal shell (3) are used for forming a cavity for storing the couplant.

4. An ultrasonic inspection probe for industrial inspection according to claim 1, wherein: the hole groove (15) is formed by penetrating through the base (14) entirely, and the upper port of the hole groove (15) is communicated with a cavity formed between the couplant storage bin (4) and the metal shell (3).

5. An ultrasonic inspection probe for industrial inspection according to claim 1, wherein: ten holes are formed in the hole grooves (15), the inner structures of the holes are identical, and a plurality of holes are formed in the fixing gasket (17).

6. An ultrasonic inspection probe for industrial inspection according to claim 1, wherein: the limiting protruding blocks on the protective shell (21) are embedded into the limiting grooves (22) formed in the base (14), and the inner surface of the protective shell (21) does not touch the balls (20).