CN217359750U - Equivalent test block and system for large-angle longitudinal wave detection - Google Patents
Equivalent test block and system for large-angle longitudinal wave detection Download PDFInfo
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- CN217359750U CN217359750U CN202220961440.3U CN202220961440U CN217359750U CN 217359750 U CN217359750 U CN 217359750U CN 202220961440 U CN202220961440 U CN 202220961440U CN 217359750 U CN217359750 U CN 217359750U
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Abstract
The utility model discloses an equivalent test block and system for wide-angle longitudinal wave detects, including the test block body, the up end of test block body sets up first scale, the lower terminal surface of test block body sets up the second scale, first semicircular groove is seted up in the front of test block body, the second semicircular groove is seted up at the back of test block body, set up first group horizontal through-hole in the first semicircular groove, set up the horizontal through-hole of second group in the second semicircular groove, this test block and system can the wide-angle longitudinal wave detection technology of accurate calibration.
Description
Technical Field
The utility model relates to an equivalent test block and system, concretely relates to equivalent test block and system for wide-angle longitudinal wave detects.
Background
Ultrasonic detection is one of the main methods of conventional nondestructive detection, and has been widely applied to the industries of machinery, electric power, petrochemical industry and the like due to the advantages of high sensitivity, light equipment, convenient operation, high detection efficiency and the like. The ultrasonic detection can be divided into transverse waves, longitudinal waves, surface waves, plate waves and the like according to different wave modes, and the longitudinal waves are divided into 0-degree longitudinal waves, small-angle longitudinal waves and large-angle longitudinal waves according to the refraction angle. The large-angle longitudinal wave refers to a longitudinal wave with a refraction angle of 20-45 degrees, is commonly used for detecting austenite coarse grain material welding seams, shaft forgings and other workpieces with special structures, and has the following technical defects in the scanning baseline calibration, the reference sensitivity determination, the curve manufacturing and the like of the conventional large-angle longitudinal wave detection system: 1. at least two test blocks are needed to complete the test, the test efficiency is low, the economic cost is increased, and the carrying is inconvenient; 2. the testing process has many steps and data, and the data measurement depends on the proficiency of the tester, so that human errors exist, and a relatively accurate detection system cannot be obtained.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an equivalent test block and system for wide-angle longitudinal wave detects, this test block and system can accurately accomplish wide-angle longitudinal wave detecting system's scanning baseline calibration, reference sensitivity confirm and curve preparation, and have the high and characteristics with low costs of efficiency of software testing.
In order to achieve the above object, an equivalent test block for large-angle longitudinal wave detection includes the test block body, set up first scale on the up end of test block body, set up the second scale on the lower terminal surface of test block body, first semicircular groove is seted up in the front of test block body, the second semicircular groove is seted up at the back of test block body, first horizontal through-hole of group has been seted up in the first semicircular groove, horizontal through-hole of second group has been seted up in the second semicircular groove.
The zero scale mark of the first scale, the zero scale mark of the second scale and the central axis of the test block body are positioned in the same plane.
And the distance between adjacent scale marks in the first scale and the second scale is 1 mm.
The maximum measuring range of the single side of the first scale and the second scale is 70 mm.
The axes of the first semicircular groove and the second semicircular groove are parallel to the central axis of the test block body, and the distance between the axis of the first semicircular groove and the zero scale line of the first scale and the distance between the axis of the second semicircular groove and the zero scale line of the second scale are both 60 mm.
The radiuses of the first semicircular groove and the second semicircular groove are both 10 mm.
The distances between four transverse through holes in the first group of transverse through holes and the upper end face of the test block body are respectively 20mm, 60mm, 100mm and 140mm, and the distances between three transverse through holes in the second group of transverse through holes and the upper end face of the test block body are respectively 40mm, 80mm and 120 mm;
the test block body is 160mm in length, 40mm in width and 150mm in height.
Each transverse through hole in the first group of transverse through holes is arranged at the lowest position of the first semicircular groove, each transverse through hole in the second group of transverse through holes is arranged at the lowest position of the second semicircular groove, the diameter of each transverse through hole is 2mm, and the hole depth is 30 mm.
The roughness of the up end of test block body and terminal surface all is less than or equal to 1.6um down, and the roughness of the remaining face is less than or equal to 3.2um on the test block body.
A system for big angle longitudinal wave detects include wide-angle longitudinal wave transducer, supersound module, oscilloscope and be used for the equivalent test block that big angle longitudinal wave detected, wherein, supersound module is connected with oscilloscope and wide-angle longitudinal wave transducer, wide-angle longitudinal wave transducer laminating fit on the equivalent test block that is used for big angle longitudinal wave to detect.
The utility model discloses following beneficial effect has:
the utility model discloses an equivalent test block and system for big angle longitudinal wave detects when concrete operation, based on the principle of ultrasonic testing, through the design equivalent test block that is used for measuring big angle longitudinal wave and detects to measure the transducer leading edge, transducer refraction angle, benchmark sensitivity of big angle longitudinal wave detecting system and confirm and curve preparation, specifically, the up end of test block body is provided with first scale, and test block body lower extreme is provided with the second scale, and the front of test block body is seted up first semicircle groove, and the back of test block body is seted up second semicircle groove, set up first group horizontal through-hole in the first semicircle groove, set up second group horizontal through-hole in the second semicircle groove, when big angle longitudinal wave detects the test, on this equivalent test block, utilize first scale, second scale, horizontal through-hole in the first semicircle groove and the horizontal through-hole in the second semicircle groove, the large-angle longitudinal wave detection system can be accurately calibrated, and the method is convenient, simple and efficient to operate and extremely high in practicability.
Drawings
FIG. 1 is a schematic structural diagram of an equivalent test block in the present invention;
fig. 2 is a schematic structural diagram of the system for detecting longitudinal waves at a large angle in the present invention.
Wherein, 1 is the test block body, 2 is the test block up end, 3 is the lower terminal surface, 4 is the front, 5 is the back, 6 is first scale, 7 is the second scale, 8 is first semicircular groove, 9 is the second semicircular groove, 10 is horizontal through-hole, 11 is the big angle transducer of longitudinal wave, 12 is ultrasonic module, 13 is oscilloscope.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution 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, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Example one
Referring to fig. 1, an equivalent test block for large-angle longitudinal wave detection include test block body 1, set up first scale 6 on the up end 2 of test block body 1, set up second scale 7 on the lower terminal surface 3 of test block body 1, first semicircular groove 8 is seted up to front 4 of test block body 1, second semicircular groove 9 is seted up to back 5 of test block body 1, first horizontal through-hole 10 of group has been seted up in first semicircular groove 8, horizontal through-hole 10 of second group has been seted up in second semicircular groove 9.
The zero scale mark of the first scale 6, the zero scale mark of the second scale 7 and the central axis of the test block body 1 are positioned in the same plane.
The distance between adjacent scale marks in the first scale 6 and the second scale 7 is 1 mm.
The maximum measuring range of one side of the first scale 6 and the second scale 7 is 70 mm.
The axes of the first semicircular groove 8 and the second semicircular groove 9 are parallel to the central axis of the test block body 1, and the distance between the axis of the first semicircular groove 8 and the zero scale line of the first scale 6 and the distance between the axis of the second semicircular groove 9 and the zero scale line of the second scale 7 are both 60 mm.
The radius of the first semicircular groove 8 and the radius of the second semicircular groove 9 are both 10 mm.
The distances between four transverse through holes 10 in the first group of transverse through holes 10 and the upper end face 2 of the test block body 1 are respectively 20mm, 60mm, 100mm and 140mm, and the distances between three transverse through holes 10 in the second group of transverse through holes 10 and the upper end face 2 of the test block body 1 are respectively 40mm, 80mm and 120 mm;
the test block body 1 is 160mm in length, 40mm in width and 150mm in height.
Each transverse through hole 10 of the first group of transverse through holes 10 is arranged at the lowest position of the first semicircular groove, each transverse through hole 10 of the second group of transverse through holes 10 is arranged at the lowest position of the second semicircular groove, the diameter of each transverse through hole is 2mm, and the hole depth is 30 mm.
The roughness of the upper end surface 2 and the lower end surface 3 of the test block body 1 is less than or equal to 1.6um, and the roughness of the rest surfaces on the test block body 1 is less than or equal to 3.2 um.
Example two
The upper end face of the test block body 1 is provided with a first scale 6, the lower end face of the test block body is provided with a second scale 7, a first semicircular groove 8 is formed in the front face of the test block body 1, a second semicircular groove 9 is formed in the back face of the test block body, a first group of transverse through holes 10 are formed in the first semicircular groove 8, a second group of transverse through holes 10 are formed in the second semicircular groove 9, and when a large-angle longitudinal wave detection test is carried out, the large-angle longitudinal wave detection system can be accurately calibrated by using the first scale 6, the second scale 7, the transverse through holes in the first semicircular groove 8 and the transverse through holes in the second semicircular groove 9 on the equivalent test block.
The equivalent test block of the utility model can be used for the accurate calibration of the scanning baseline and the reference sensitivity of the large-angle longitudinal wave detection and the accurate manufacture of the curve, and can complete the sampling and the curve manufacture of 14 transverse through holes with different depths, thereby improving the working efficiency, reducing the economic cost and ensuring the accuracy of the detection sensitivity; in addition, the utility model can meet the detection requirements by using the conventional large-angle longitudinal wave transducer and the common coupling agent, and has accurate detection result and strong operability; at present, the introduction of the technical method is not seen at home and abroad, and the method has certain popularization value.
Claims (10)
1. The utility model provides an equivalent test block for big angle longitudinal wave detects, its characterized in that, includes test block body (1), set up first scale (6) on up end (2) of test block body (1), set up second scale (7) on lower terminal surface (3) of test block body (1), first semicircle groove (8) are seted up in front (4) of test block body (1), second semicircle groove (9) are seted up in back (5) of test block body (1), set up first group horizontal through-hole (10) in first semicircle groove (8), set up second group horizontal through-hole (10) in second semicircle groove (9).
2. The equivalent test block for large-angle longitudinal wave detection according to claim 1, wherein the zero scale line of the first scale (6), the zero scale line of the second scale (7) and the central axis of the test block body (1) are located in the same plane.
3. The equivalent test block for large-angle longitudinal wave detection according to claim 1, wherein the distance between adjacent graduation marks in the first graduation (6) and the second graduation (7) is 1 mm.
4. The equivalent test block for wide-angle longitudinal wave detection according to claim 1, wherein the maximum range of one side of the first scale (6) and the second scale (7) is 70 mm.
5. The equivalent test block for large-angle longitudinal wave detection according to claim 1, wherein the axes of the first semicircular groove (8) and the second semicircular groove (9) are both parallel to the central axis of the test block body (1), and the distance between the axis of the first semicircular groove (8) and the zero scale line of the first scale (6) and the distance between the axis of the second semicircular groove (9) and the zero scale line of the second scale (7) are both 60 mm.
6. The equivalent test block for wide-angle longitudinal wave detection according to claim 1, wherein the first semicircular groove (8) and the second semicircular groove (9) have a radius of 10 mm.
7. The equivalent test block for large-angle longitudinal wave detection according to claim 1, wherein the distances between four transverse through holes (10) in the first set of transverse through holes (10) and the upper end face (2) of the test block body (1) are 20mm, 60mm, 100mm and 140mm, respectively, and the distances between three transverse through holes (10) in the second set of transverse through holes (10) and the upper end face (2) of the test block body (1) are 40mm, 80mm and 120mm, respectively;
the test block body (1) is 160mm in length, 40mm in width and 150mm in height.
8. The equivalent test block for large-angle longitudinal wave detection according to claim 1, wherein each transverse through hole (10) in the first set of transverse through holes (10) is arranged at the lowest position of the first semicircular groove, each transverse through hole (10) in the second set of transverse through holes (10) is arranged at the lowest position of the second semicircular groove, the diameter of each transverse through hole is 2mm, and the hole depth is 30 mm.
9. The equivalent test block for large-angle longitudinal wave detection according to claim 1, wherein the roughness of the upper end surface (2) and the roughness of the lower end surface (3) of the test block body (1) are both less than or equal to 1.6um, and the roughness of the rest surfaces of the test block body (1) are less than or equal to 3.2 um.
10. A system for large-angle longitudinal wave detection is characterized by comprising a large-angle longitudinal wave transducer (11), an ultrasonic module (12), an oscilloscope (13) and the equivalent test block for large-angle longitudinal wave detection in claim 1, wherein the ultrasonic module (12) is connected with the oscilloscope (13) and the large-angle longitudinal wave transducer (11), and the large-angle longitudinal wave transducer (11) is attached to the equivalent test block for large-angle longitudinal wave detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961440.3U CN217359750U (en) | 2022-04-24 | 2022-04-24 | Equivalent test block and system for large-angle longitudinal wave detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961440.3U CN217359750U (en) | 2022-04-24 | 2022-04-24 | Equivalent test block and system for large-angle longitudinal wave detection |
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| CN217359750U true CN217359750U (en) | 2022-09-02 |
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| CN202220961440.3U Active CN217359750U (en) | 2022-04-24 | 2022-04-24 | Equivalent test block and system for large-angle longitudinal wave detection |
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