CN217818519U

CN217818519U - Detection apparatus for welding seam surface crack

Info

Publication number: CN217818519U
Application number: CN202221095709.0U
Authority: CN
Inventors: 滕霞; 徐光彪; 林贞禄
Original assignee: Hangzhou Saifu Nondestructive Testing Technology Co ltd
Current assignee: Hangzhou Saifu Nondestructive Testing Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-11-15
Anticipated expiration: 2032-05-09

Abstract

The utility model relates to a welding seam crackle detects technical field, discloses a detection device of welding seam surface crack, the utility model discloses a contrast chi, holding pole, dwang, detection stick, slide cartridge, the contrast chi is fixed in the one end of holding pole, and the dwang rotates and sets up on holding pole, and on the one end of detecting the stick was fixed in the dwang, the slide cartridge suit was on detecting the stick, and the fixed pointer piece that is equipped with on the slide cartridge is equipped with the instruction scale on the contrast chi, the directional contrast chi of pointer piece. The utility model discloses a rotatory dwang is changed into detection state or contrast state, rotates the dwang when detecting the state and makes to survey the stick and hold the holding rod perpendicular and hold the holding rod and insert the welding seam with surveying the stick, and the lower terminal surface of slide cartridge is blockked by the welding seam up end and is used for the measurement, will survey the stick and take out and rotate the dwang after waiting to survey the lower extreme of stick and make to survey the stick parallel with the contrast chi, can obtain the welding seam degree of depth fast through the most advanced and the coincidence scale of instructing the scale of visual pointer piece.

Description

Detection apparatus for welding seam surface crack

Technical Field

The utility model relates to a welding seam crackle detects technical field, specifically is a detection device of welding seam surface crack.

Background

Because the crack easily takes place under the repeated action of alternating load in the welding department, need measure the crack depth before restoreing, current measuring tool is inconvenient to tiny crack measurement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems, a device for detecting cracks on the surface of a weld is provided, which solves the problems.

The utility model provides a its technical problem take following technical scheme to realize:

the utility model provides a detection apparatus for welding seam surface crack, includes the contrast ruler, holds pole, dwang, surveys the stick, slide cartridge, the contrast ruler is fixed in the one end of holding pole, the dwang rotate set up in on the holding pole, the one end of surveying the stick is fixed in on the dwang, the slide cartridge suit in on the survey stick, fixed being equipped with the pointer piece on the slide cartridge, be equipped with the instruction scale on the contrast ruler, the pointer piece is directional the contrast ruler.

Preferably, the sliding cylinder comprises an outer shell cylinder and a first rubber cylinder, the first rubber cylinder is arranged in the outer shell cylinder, sliding holes are formed in the outer shell cylinder and the first rubber cylinder, the sliding holes are sleeved on the detection rod, and the first rubber cylinder abuts against the detection rod.

Preferably, the sliding cylinder comprises an outer shell cylinder, a second rubber cylinder and supporting fins, the supporting fins are arranged on the inner wall of the outer shell cylinder at intervals, the second rubber cylinder is arranged in the outer shell cylinder and abuts against the supporting fins, sliding holes are formed in the outer shell cylinder and the second rubber cylinder, the sliding holes are sleeved on the detection rod, and the second rubber cylinder abuts against the detection rod.

Preferably, the detection rod is sleeved with a push block in a sliding mode, and a holding block is fixedly arranged at the upper end of the push block.

Preferably, the detection rod comprises a steel rod, a carburizing and quenching layer is arranged outside the steel rod, the carburizing and quenching layer is coaxial with the steel rod, and the thickness of the carburizing and quenching layer is at least one millimeter.

Preferably, a galvanized rust-proof layer is fixedly arranged outside the carburizing and quenching layer, and the galvanized rust-proof layer is coaxial with the steel bar.

The utility model has the advantages that: the rotating rod is changed into a detection state or a comparison state through rotating, the rotating rod is rotated in the detection state, so that the detection rod is perpendicular to the holding rod and is held by the holding rod to insert the detection rod into a welding line, the lower end face of the sliding barrel is blocked by the upper end face of the welding line to be used for metering, it should be noted that the pointer sheet indicates zero scales on the indication scales when the lower end face of the sliding barrel is flush with the lower end face of the detection rod, the pointer sheet is arranged in the middle of the sliding barrel and can avoid the influence on precision due to direct contact with the welding line in detection, the detection rod is taken out after the lower end of the detection rod is in bottom contact, the detection rod is made to be parallel to the comparison ruler, and the depth of the welding line can be quickly obtained through visual observation of the tip end of the pointer sheet and the coincidence scale of the indication scales.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the grip lever 11 of FIG. 1 rotated ninety degrees;

FIG. 3 is an enlarged view of A-A in FIG. 1;

FIG. 4 is a schematic view of the slide cartridge 14 of FIG. 1 in full section;

fig. 5 is a schematic view of a full-section structure of another embodiment of the slide cylinder 14 in fig. 1.

The scores in the figures are as follows: 10. a contrast ruler; 11. a holding rod; 12. a detection rod; 13. rotating the rod; 14. a slide cylinder; 15. a pointer sheet; 16. a push block; 17. a holding block; 18. a steel bar; 19. a carburizing and quenching layer; 20. plating a zinc anti-rust layer; 21. a first rubber cylinder; 22. a housing tube; 23. a slide hole; 24. a support fin; 25. indicating scales; 26. and a second rubber cylinder.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

as shown in fig. 1-5, the device for detecting cracks on the surface of a weld seam of the present invention includes a reference ruler 10, a holding rod 11, a rotating rod 13, a detecting rod 12, and a sliding cylinder 14, wherein the reference ruler 10 is fixed at one end of the holding rod 11, the rotating rod 13 is rotatably disposed on the holding rod 11, one end of the detecting rod 12 is fixed on the rotating rod 13, the sliding cylinder 14 is sleeved on the detecting rod 12, a pointer sheet 15 is fixedly disposed on the sliding cylinder 14, an indication scale 25 is disposed on the reference ruler 10, the pointer sheet 15 points to the reference ruler 10, the detection state or the contrast state is changed by rotating the rotating rod 13, the rotating rod 13 is rotated during the detection state, so that the detecting rod 12 is perpendicular to the holding rod 11 and holds the holding rod 11 to insert the detecting rod 12 into the weld seam, the lower end face of the sliding cylinder 14 is blocked by the upper end face of the welding line for measurement, it should be noted that when the lower end face of the sliding cylinder 14 is flush with the lower end face of the detection rod 12, the pointer sheet 15 indicates the zero scale on the indication scale 25, the pointer sheet 15 is arranged in the middle of the sliding cylinder 14, so that the influence on the precision due to direct contact with the welding line during detection can be avoided, after the lower end of the detection rod 12 bottoms, the detection rod 12 is taken out, the rotating rod 13 is rotated, so that the detection rod 12 is parallel to the alignment ruler 10, and the depth of the welding line can be quickly obtained by visually observing the coincidence scale of the tip of the pointer sheet 15 and the indication scale 25.

Preferably, the sliding cylinder 14 includes an outer casing 22 and a first rubber cylinder 21, the first rubber cylinder 21 is disposed in the outer casing 22, sliding holes 23 are disposed in the outer casing 22 and the first rubber cylinder 21, the sliding holes 23 are sleeved on the detecting rod 12, and the first rubber cylinder 21 abuts against the detecting rod 12.

Preferably, the sliding cylinder 14 includes an outer casing 22, a second rubber cylinder 26, and support fins 24, the support fins 24 are disposed on the inner wall of the outer casing 22 at intervals, the second rubber cylinder 26 is disposed in the outer casing 22 and abuts against the support fins 24, sliding holes 23 are disposed in the outer casing 22 and the second rubber cylinder 26, the sliding holes 23 are sleeved on the detecting rod 12, and the second rubber cylinder 26 abuts against the detecting rod 12.

Preferably, the detection rod 12 is slidably sleeved with a push block 16, the upper end of the push block 16 is fixedly provided with a holding block 17, and the holding block 17 is pinched by a hand to slide the push block 16 downwards so that the lower end of the push block 16 abuts against the upper end of the sliding barrel 14 and pushes the sliding barrel downwards to reset the sliding barrel, thereby ensuring the balanced stress of the sliding barrel 14 during sliding downwards.

Preferably, the probe rod 12 comprises a steel rod 18, a carburizing and quenching layer 19 is arranged outside the steel rod 18, the carburizing and quenching layer 19 is coaxial with the steel rod 18, and the thickness of the carburizing and quenching layer 19 is at least one millimeter.

Preferably, a galvanized rust-proof layer 20 is fixedly arranged outside the carburizing and quenching layer 19, and the galvanized rust-proof layer 20 is coaxial with the steel bar 18.

In specific implementation, the rotating rod 13 is rotated to be changed into a detection state or a contrast state, the rotating rod 13 is rotated in the detection state to enable the detection rod 12 to be perpendicular to the holding rod 11, the holding rod 11 is held by a hand to insert the detection rod 12 into a weld, the lower end face of the sliding barrel 14 is blocked by the upper end face of the weld for measurement, it should be noted that the pointer sheet 15 indicates a zero scale on the indication scale 25 when the lower end face of the sliding barrel 14 is flush with the lower end face of the detection rod 12, the pointer sheet 15 is arranged in the middle of the sliding barrel 14 to avoid the influence on precision caused by direct contact with the weld during detection, after the lower end of the detection rod 12 is bottomed, the detection rod 12 is taken out and the rotating rod 13 is rotated to enable the detection rod 12 to be parallel to the contrast ruler 10, and the depth of the weld can be quickly obtained by visually observing the coincidence of the tip of the pointer sheet 15 and the scale of the indication scale 25.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the invention is not limited to the embodiments described in the detailed description, and that other embodiments derived from the technical solutions of the present invention by those skilled in the art also belong to the scope of the present invention.

Claims

1. The utility model provides a detection apparatus for welding seam surface crack which characterized in that: including contrast chi (10), holding pole (11), dwang (13), detection stick (12), slide cartridge (14), contrast chi (10) are fixed in the one end of holding pole (11), dwang (13) rotate set up in on holding pole (11), the one end of detecting stick (12) is fixed in on dwang (13), slide cartridge (14) suit in on detecting stick (12), fixed pointer piece (15) that is equipped with on slide cartridge (14), be equipped with on contrast chi (10) and instruct scale (25), pointer piece (15) are directional contrast chi (10).

2. The apparatus for detecting cracks on the surface of a weld bead according to claim 1, wherein: the sliding cylinder (14) comprises an outer shell cylinder (22) and a first rubber cylinder (21), the first rubber cylinder (21) is arranged in the outer shell cylinder (22), sliding holes (23) are formed in the outer shell cylinder (22) and the first rubber cylinder (21), the sliding holes (23) are sleeved on the detection rod (12), and the first rubber cylinder (21) is abutted to the detection rod (12).

3. The apparatus for detecting cracks on the surface of a weld bead according to claim 1, wherein: the sliding cylinder (14) comprises an outer shell cylinder (22), a second rubber cylinder (26) and supporting fins (24), the supporting fins (24) are arranged on the inner wall of the outer shell cylinder (22) at intervals, the second rubber cylinder (26) is arranged in the outer shell cylinder (22) and abuts against the supporting fins (24), sliding holes (23) are formed in the outer shell cylinder (22) and the second rubber cylinder (26), the sliding holes (23) are sleeved on the detection rod (12), and the second rubber cylinder (26) abuts against the detection rod (12).

4. The apparatus for detecting cracks on the surface of a weld bead according to claim 1, wherein: the detection rod (12) is sleeved with a push block (16) in a sliding mode, and a holding block (17) is fixedly arranged at the upper end of the push block (16).

5. The apparatus for detecting cracks on the surface of a weld bead according to claim 1, wherein: the detection rod (12) comprises a steel rod (18), a carburizing and quenching layer (19) is arranged outside the steel rod (18), the carburizing and quenching layer (19) is coaxial with the steel rod (18), and the thickness of the carburizing and quenching layer (19) is at least one millimeter.

6. The apparatus for detecting cracks on the surface of a weld according to claim 5, wherein: a galvanized antirust layer (20) is fixedly arranged outside the carburizing and quenching layer (19), and the galvanized antirust layer (20) is coaxial with the steel bar (18).