CN217237909U

CN217237909U - Novel reference block for TOFD detection technology partition

Info

Publication number: CN217237909U
Application number: CN202220268044.2U
Authority: CN
Inventors: 沈群
Original assignee: Harbin Xiangsheng Nondestructive Testing Technology Service Co ltd
Current assignee: Harbin Xiangsheng Nondestructive Testing Technology Service Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-08-19
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses a contrast test block for a novel TOFD detection technology subarea, which comprises a first contrast block, a second contrast block, a third contrast block, a fourth contrast block, a tooth socket, an arc-shaped block and an embedded block, wherein the second contrast block, the third contrast block and the fourth contrast block are sequentially arranged on one side of the first contrast block, the closed parts of the second contrast block and the third contrast block are provided with corresponding tooth sockets, the embedded block is arranged between the tooth sockets of the second contrast block and the third contrast block, one side in the tooth socket of the second contrast block is provided with the embedded groove corresponding to the embedded block, the closed parts of the third contrast block and the fourth contrast block are provided with the arc-shaped block which is integrated with the third contrast block, the contrast test block for the integral TOFD detection technology subarea is flexible and various in use, has welding seams formed by various block surfaces, can simulate welding seams of various workpiece surfaces, can help personnel to better distinguish TOFD detection of different regular shapes, has high practicability.

Description

Novel reference block for partitioning TOFD detection technology

Technical Field

The utility model relates to a TOFD detects technical field, in particular to novel reference block that TOFD detection technology subregion was used.

Background

The TOFD detection technique is an ultrasonic diffraction time difference method. The detection, quantification and localization technique for material defects is a method for detecting defects by means of diffraction energy obtained from the "end angles" and "end points" of the internal structure (mainly referred to as defects) of the test piece to be examined.

At present personnel are carrying out the contrast test block welding seam of TOFD detection contrast test usefulness comparatively single, lack and can help personnel to carry out the test block that detects the contrast simultaneously to the multiple condition simultaneously, use the limitation great. Therefore, we propose a reference block for partitioning by the novel TOFD detection technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel reference block that TOFD detection technology subregion was used can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel reference block that TOFD detection technology subregion was used, includes first contrast piece, second contrast piece, third contrast piece and fourth contrast piece, still includes tooth's socket, arc piece and abaculus, second contrast piece, third contrast piece and fourth contrast piece arrange in proper order and first contrast piece one side, corresponding tooth's socket has been seted up with the closed department of third contrast piece to second contrast piece, be equipped with the abaculus between the tooth's socket of second contrast piece and third contrast piece, one side is equipped with the caulking groove that corresponds with the abaculus in the tooth's socket of second contrast piece, the closed department of third contrast piece and fourth contrast piece is equipped with the arc piece integrative with it.

Furthermore, a first measuring hole and a second measuring hole are respectively formed in the top and the bottom of one side of the first comparison block, a third measuring hole and a fourth measuring hole are respectively formed in two ends of the tooth socket of the second comparison block, and a fifth measuring hole and a sixth measuring hole are respectively formed in one side of the arc-shaped block of the third comparison block.

Furthermore, one side of the first comparison block is connected with the second comparison block in a welding mode, tooth grooves between the second comparison block and the third comparison block are spliced, the tooth grooves between the second comparison block and the third comparison block are connected in a welding mode, and arc-shaped blocks between the third comparison block and the fourth comparison block are connected in a welding mode.

Furthermore, the embedded block is connected with the embedded groove in a welding mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. constitute the contrast test block that TOFD detection technology subregion was used through first contrast piece, second contrast piece, third contrast piece, fourth contrast piece, the tooth's socket, arc piece and abaculus, can provide the test block that different situation welding seams combine for the examination personnel of awaiting measuring to the confession detects with TOFD test instrument to the test personnel's test level, and first survey hole, second survey hole, third survey hole, fourth survey hole, fifth survey hole and sixth survey hole are used for as the inside wound point of whole contrast test block.

2. The welding seam formed by welding between the first comparison block and the second comparison block is used for simulating the welding seam formed by a conventional plane, the first measuring hole and the second measuring hole are used for simulating the empty hole in the welding seam of the conventional plane, the welding seam formed by welding the tooth socket between the second comparison block and the third comparison block is used for simulating the welding seam formed by welding the irregular workpiece surface, and the third measuring hole and the fourth measuring hole are used for simulating the empty hole in the irregular welding seam.

3. Through the welded connection of arc piece between three comparing block and the fourth comparing block, the simulation possesses the welding seam on the bucket or the ball of arcwall face, and the hole is surveyed to fifth survey hole and sixth survey hole and be arranged in simulating the dead eye in the arcwall face welding seam, and the tester can be in succession to first comparing block, the second comparing block, the third comparing block, welding seam between the fourth comparing block is tested, in order to reach the welding seam to multiple shape concatenation and detect the contrast operation, the contrast test block that whole TOFD detection technique subregion was used uses nimbly various, it possesses the welding seam that multiple block face formed, can simulate the welding seam of multiple work piece face, can help personnel to distinguish the TOFD detection of the different regular shape welding seams better, have higher practicality.

Drawings

Fig. 1 is the overall structure schematic diagram of the reference block for the TOFD detection technology partition of the present invention.

Fig. 2 is the utility model relates to a split structure schematic diagram of a reference block for the novel TOFD detection technology partition.

Fig. 3 is an enlarged schematic structural diagram of a position a in fig. 2 of a reference block for partitioning the TOFD detection technology of the present invention.

In the figure: 1. a first comparison block; 2. a second comparison block; 3. a third comparison block; 4. a fourth comparison block; 5. an arc-shaped block; 6. a tooth socket; 7. a first measuring hole; 8. a second measuring hole; 9. an insert block; 10. caulking grooves; 11. a fifth measuring hole; 12. a sixth measuring hole; 13. a third measuring hole; 14. and a fourth measuring hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a novel TOFD detection technology test block for zoning comprises a first comparison block 1, a second comparison block 2, a third comparison block 3, a fourth comparison block 4, a tooth socket 6, an arc block 5 and an insert block 9, wherein the second comparison block 2, the third comparison block 3 and the fourth comparison block 4 are sequentially arranged on one side of the first comparison block 1, the closed positions of the second comparison block 2 and the third comparison block 3 are provided with corresponding tooth sockets 6, the insert block 9 is arranged between the second comparison block 2 and the tooth socket 6 of the third comparison block 3, the inner side of the tooth socket 6 of the second comparison block 2 is provided with an insert socket 10 corresponding to the insert block 9, and the closed positions of the third comparison block 3 and the fourth comparison block 4 are provided with the arc block 5 integrated therewith.

The top and the bottom of one side of the first comparison block 1 are respectively provided with a first measuring hole 7 and a second measuring hole 8, two ends of the tooth socket 6 of the second comparison block 2 are respectively provided with a third measuring hole 13 and a fourth measuring hole 14, and one side of the arc-shaped block 5 of the third comparison block 3 is respectively provided with a fifth measuring hole 11 and a sixth measuring hole 12; the first measuring hole 7, the second measuring hole 8, the third measuring hole 13, the fourth measuring hole 14, the fifth measuring hole 11 and the sixth measuring hole 12 are used for integrally comparing the injured points in the test block.

One side of the first comparison block 1 is connected with the second comparison block 2 in a welding mode, tooth grooves 6 between the second comparison block 2 and the third comparison block 3 are spliced, the tooth grooves 6 between the second comparison block 2 and the third comparison block 3 are connected in a welding mode, and the arc-shaped blocks 5 of the third comparison block 3 and the fourth comparison block 4 are connected in a welding mode; through the welded connection of the arc blocks 5 between the three comparison blocks 3 and the fourth comparison block 4, a welding seam on a barrel or a ball with an arc surface is simulated.

The embedded blocks 9 are connected with the embedded grooves 10 in a welding mode; the welding between the insert 9 and the caulking groove 10 is used for providing a welded seam of fragments inside the workpiece for testing.

It should be noted that, the utility model relates to a novel TOFD detects reference block that technical subregion was used, in operation, through the welding seam that welding formed between first contrast piece 1 and the second contrast piece 2, simulate the welding seam that conventional plane formed, and first survey hole 7 and second survey hole 8 are arranged in simulating the vacancy in the conventional plane welding seam, through the welding seam that tooth's socket 6 welding formed between second contrast piece 2 and the third contrast piece 3, simulate the welding seam that irregular workpiece face welding formed, and third survey hole 13 and fourth survey hole 14 are arranged in simulating the vacancy in the irregular welding seam, through the welded connection of arc piece 5 between three contrast pieces 3 and fourth contrast piece 4, the simulation possesses the welding seam on the bucket or the ball of arc face, and fifth survey hole 11 and sixth survey hole 12 are arranged in simulating the vacancy in the arc face welding seam, and the tester can be in succession to first contrast piece 1, second contrast piece 2, And the welding seams between the third comparison block 3 and the fourth comparison block 4 are tested so as to detect and compare the welding seams spliced in various shapes.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel reference block for partitioning a TOFD detection technology comprises a first reference block (1), a second reference block (2), a third reference block (3) and a fourth reference block (4), it is characterized by also comprising a tooth groove (6), an arc block (5) and an embedded block (9), the second comparison block (2), the third comparison block (3) and the fourth comparison block (4) are arranged on one side of the first comparison block (1) in sequence, the closed parts of the second comparison block (2) and the third comparison block (3) are provided with corresponding tooth sockets (6), an embedded block (9) is arranged between the tooth grooves (6) of the second comparison block (2) and the third comparison block (3), one side in the tooth groove (6) of the second comparison block (2) is provided with an embedded groove (10) corresponding to the embedded block (9), the closed part of the third comparison block (3) and the fourth comparison block (4) is provided with an arc block (5) integrated with the third comparison block.

2. The reference block for partitioning according to claim 1, wherein: the top and the bottom of one side of the first comparison block (1) are respectively provided with a first measuring hole (7) and a second measuring hole (8), two ends of the tooth groove (6) of the second comparison block (2) are respectively provided with a third measuring hole (13) and a fourth measuring hole (14), and one side of the arc-shaped block (5) of the third comparison block (3) is respectively provided with a fifth measuring hole (11) and a sixth measuring hole (12).

3. The reference block for partitioning according to claim 1, wherein: one side of the first comparison block (1) is connected with the second comparison block (2) in a welded mode, tooth grooves (6) between the second comparison block (2) and the third comparison block (3) are spliced, the second comparison block (2) is connected with the tooth grooves (6) of the third comparison block (3) in a welded mode, and the third comparison block (3) is connected with the arc-shaped block (5) of the fourth comparison block (4) in a welded mode.

4. The reference block for partitioning according to claim 1, wherein: the embedded block (9) is connected with the embedded groove (10) in a welding mode.