CN218036602U

CN218036602U - TOFD ultrasonic detection device convenient to use

Info

Publication number: CN218036602U
Application number: CN202222023676.5U
Authority: CN
Inventors: 凌莉; 刘应乾; 杨四喜
Original assignee: Jiangsu Zhishang Detection Technology Co ltd
Current assignee: Jiangsu Zhishang Detection Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-13
Anticipated expiration: 2032-08-01

Abstract

The application discloses TOFD ultrasonic detection device convenient to use relates to TOFD ultrasonic detection technical field, including scanning the support body, scan support body top center department fixedly connected with threaded rod, threaded rod outer wall threaded connection has TOFD detector host computer, scan support body both sides and all seted up the spout, sliding connection has two balladeums of symmetric distribution in the spout, balladeur train bottom inner wall swing joint has the probe, the probe passes through the connecting wire and is connected with TOFD detector host computer, balladeur train top outer wall fixedly connected with second reset spring, second reset spring one end fixedly connected with arm-tie. This application only needs single alright completion TOFD to detect, and the cost of labor when having reduced the detection has also improved people and has carried out TOFD to the work piece and detect the efficiency.

Description

TOFD ultrasonic detection device convenient to use

Technical Field

The application relates to the technical field of TOFD ultrasonic detection, in particular to a TOFD ultrasonic detection device convenient to use.

Background

The ultrasonic diffraction time difference method (TOFD) is a method for detecting defects by means of diffraction energy obtained from the 'end angle' and 'end point' of the internal structure (mainly referred to as the defect) of a test piece to be detected, and is used for detecting, quantifying and positioning the defects. The TOFD ultrasonic detection device is a device for detecting defects of workpieces by using an ultrasonic diffraction time difference method, and is a TOFD detector in common use.

The TOFD detector can use ultrasonic waves to penetrate through a workpiece to detect defects inside the workpiece.

In the process of detecting the welding seam of the workpiece by using the TOFD ultrasonic wave, one person is generally required to control the scanning frame to scan the stainless steel plate, and another person is required to view the data change in the TOFD detecting instrument on one side of the scanning frame to judge whether the region of the workpiece has defects, so that two persons are generally required when the TOFD detection is carried out, the labor cost during workpiece detection is increased, and the requirements of the prior art cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve and need two people usually when carrying out TOFD and detect, the problem of the cost of labor when the increase work piece detects, this application provides a TOFD ultrasonic detection device convenient to use.

The application provides a TOFD ultrasonic detection device convenient to use adopts following technical scheme:

the utility model provides a TOFD ultrasonic detection device convenient to use, includes the scanning support body, scanning support body top center department fixedly connected with threaded rod, threaded rod outer wall threaded connection has TOFD detector host computer, the spout has all been seted up to scanning support body both sides, sliding connection has two balladers of symmetric distribution in the spout, ballader bottom inner wall swing joint has the probe, the probe passes through the connecting wire and is connected with TOFD detector host computer, ballader top outer wall fixedly connected with second reset spring, second reset spring one end fixedly connected with arm-tie, the arm-tie is close to second reset spring's one side center department fixedly connected with dead lever, set up a plurality of location round holes of evenly distributed in the spout, dead lever one end runs through the ballader cooperation and pegs graft in the location round hole.

Optionally, one end of the fixing rod is located inside the second return spring, and the diameter of the pulling plate is larger than the outer diameter of the second return spring.

Through adopting above-mentioned technical scheme, second reset spring can hide protection to dead lever one end, and when people promoted great arm-tie, less second reset spring can not obstruct people to the pulling process of arm-tie.

Optionally, a groove is formed in the middle of the bottom surface of the scanning frame body, and a bidirectional screw rod is rotatably connected in the groove.

By adopting the technical scheme, the scanning frame body can support and limit the bidirectional screw rod through the groove, and the thread directions of the two ends of the bidirectional screw rod are opposite.

Optionally, one end of the bidirectional screw rod is fixedly connected with a rocker, and the rocker is located outside the scanning frame body.

Through adopting above-mentioned technical scheme, people can wave the rocker in the outside of scanning frame body and rotate two-way lead screw.

Optionally, one end of the bidirectional screw rod, which is far away from the rocker, is fixedly connected with a rotating block, and the rotating block is rotatably connected in the groove.

By adopting the technical scheme, the rotating block can connect the bidirectional screw rod and the scanning frame body, and the bidirectional screw rod is prevented from being separated from the groove.

Optionally, the outer wall of the bidirectional screw rod is in threaded connection with two symmetrically distributed sliding blocks, and the outer wall of each sliding block is in fit butt joint with the inner wall of the corresponding groove.

Through adopting above-mentioned technical scheme, the two-way lead screw that the screw thread opposite direction at both ends rotated the back, can drive two sliders and be close to each other or keep away from carry out lateral shifting, and the recess can carry out spacingly to the slider, makes the slider can only carry out lateral shifting and can't rotate.

Optionally, the bottom of the sliding block is rotationally connected with two symmetrically distributed supporting rods through a hinged support, and the outer wall of the bottom end of each supporting rod is rotationally connected with a magnetic wheel.

By adopting the technical scheme, the sliding block can be connected and limited to the supporting rod through the hinged support, the supporting rod can be connected with the sliding block and the magnetic wheel, the supporting rod and other components can support the device.

Optionally, a first return spring is fixedly connected between the two support rods, and the first return spring is located between the slider and the magnetic wheel.

Through adopting above-mentioned technical scheme, under first reset spring's pulling force, two bracing pieces can be close to each other, make things convenient for people to press through the control and sweep the dynamics of looking into the support body down, come to adjust probe and device overall height, and the dynamics of pushing down is big more, and two bracing pieces just can be far away more that leaves to make the overall height decline of device.

In summary, the present application includes at least one of the following benefits:

1. can fix TOFD detector host computer on the scanning support body through the threaded rod for people can control the scanning support body to scan the work piece on one side, observe data on the TOFD detector host computer on one side, judge whether this region of work piece has the defect, only need single alright accomplish TOFD and detect, reduced the cost of labor when detecting, also improved people and carried out TOFD detection's efficiency to the work piece.

2. Through lateral shifting slider and balladeur train, can adjust magnetic wheel and probe position, make the probe can detect the work piece of different width, people only need draw the arm-tie and promote the position control of the probe that the slider just can accomplish, people only need wave the rocker alright accomplish the position control of magnetic wheel, make the position control of magnetic wheel and probe save time and labour more, convenient and practical, parts such as first reset spring can make things convenient for the device to go up and down to remove, be convenient for people to control the distance between probe and the work piece, the practicality of device has been improved.

Drawings

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

FIG. 2 is a schematic view of the interior of the overall structure of the present application;

fig. 3 is a side sectional view of a portion of the structure of the present application.

Description of reference numerals: 1. scanning the rack body; 11. a threaded rod; 12. a TOFD detector host; 13. a chute; 14. positioning the circular hole; 15. a probe; 2. a groove; 21. a bidirectional screw rod; 22. a rocker; 23. a slider; 24. a support bar; 25. a magnetic wheel; 26. a first return spring; 27. rotating the block; 3. a carriage; 31. a second return spring; 32. pulling a plate; 33. and (5) fixing the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses TOFD ultrasonic detection device convenient to use, refer to 1, including scanning support body 1, scan 1 top center department fixedly connected with threaded rod 11 of support body, scan support body 1 and can support threaded rod 11, threaded rod 11 is current short threaded rod, 11 outer wall threaded connection of threaded rod have TOFD detector host computer 12, and threaded rod 11 can be fixed TOFD detector host computer 12 on scanning support body 1.

Refer to fig. 1, spout 13 has all been seted up to 1 both sides of the scanning support body, sliding connection has two balladeur train 3 of symmetric distribution in the

spout

13, 1 accessible spout 13 of scanning support body supports and is spacing to

balladeur train

3, 3 bottom inner walls of balladeur train are pegged graft and are had probe 15, balladeur train 3 can support and be spacing to probe 15, probe 15 is connected with TOFD detector host 12 through the connecting wire, TOFD detector host 12, current TOFD detector has been constituteed to connecting wire and probe 15, its inner structure has all been disclosed, this is not too much repeated, and the TOFD detector can utilize the ultrasonic wave to pierce through the work piece, come to detect the inside defect of work piece.

Referring to fig. 1-3, the outer wall of the top end of the carriage 3 is fixedly connected with a second return spring 31, the carriage 3 can support and fix the second return spring 31, one end of the second return spring 31 is fixedly connected with a pulling plate 32, so that the second return spring 31 can pull the pulling plate 32 to the carriage 3 under the self-pulling force, the pulling plate 32 is close to a fixing rod 33 fixedly connected to the center of one side of the second return spring 31, and the pulling plate 32 can support and limit the fixing rod 33.

Referring to fig. 1 to 3, a plurality of positioning circular holes 14 are uniformly distributed in the sliding slot 13, and one end of the fixing rod 33 penetrates through the sliding frame 3 and is inserted into the positioning circular hole 14 in a matching manner, so that the fixing rod 33 can be pulled towards the positioning circular hole 14 under the pulling force of the second return spring 31 on the pulling plate 32, and the fixing rod 33 is connected with the sliding frame 3 and the corresponding positioning circular hole 14, so as to fix the positions of the sliding frame 3 and the probe 15 after moving.

Referring to fig. 1 and 3, one end of the fixing rod 33 is located inside the second return spring 31, the second return spring 31 can hide and protect one end of the fixing rod 33, and the diameter of the pulling plate 32 is larger than the outer diameter of the second return spring 31, so that people can pull the larger pulling plate 32 conveniently, and the smaller second return spring 31 can not obstruct the pulling process of people to the pulling plate 32.

Referring to fig. 1-2, a groove 2 is formed in the middle of the bottom surface of the scanning frame body 1, a bidirectional screw rod 21 is rotatably connected to the groove 2, the scanning frame body 1 can support and limit the bidirectional screw rod 21 through the groove 2, and the directions of threads at two ends of the bidirectional screw rod 21 are opposite.

Referring to fig. 1-2, one end of the bidirectional screw rod 21 is fixedly connected with a rocker 22, and the rocker 22 is located outside the scanning frame body 1, so that people can rock the rocker 22 outside the scanning frame body 1 to rotate the bidirectional screw rod 21.

Referring to fig. 1-2, one end of the bidirectional screw rod 21 far from the rocker 22 is fixedly connected with a rotating block 27, the rotating block 27 is rotatably connected in the groove 2, the rotating block 27 can connect the bidirectional screw rod 21 and the scanning frame body 1 to prevent the bidirectional screw rod 21 from being separated from the groove 2, the rotating block 27 is cylindrical, and the cylindrical rotating block 27 is convenient for self rotation.

Referring to fig. 1-2, the outer wall of the bidirectional screw 21 is connected with two symmetrically distributed sliders 23 in a threaded manner, so that after the bidirectional screw 21 with opposite thread directions at two ends rotates, the two sliders 23 can be driven to move transversely and close to or away from each other, the outer wall of each slider 23 is in fit butt joint with the inner wall of each groove 2, and each groove 2 can limit the corresponding slider 23, so that the corresponding slider 23 can only move transversely and cannot rotate.

Referring to fig. 1-2, the bottom of the slider 23 is rotatably connected with two symmetrically distributed support rods 24 through a hinged support, the slider 23 can connect and limit the support rods 24 through the hinged support, the outer wall of the bottom end of each support rod 24 is rotatably connected with a magnetic wheel 25, the support rods 24 can connect the slider 23 with the magnetic wheels 25, and the magnetic wheels 25, the support rods 24 and other components can support the device.

Referring to fig. 1-2, a first return spring 26 is fixedly connected between two support rods 24, so that under the pulling force of the first return spring 26, the two support rods 24 can be close to each other, and people can conveniently press and scan the force of the frame body 1 through control to adjust the overall height of the probe 15 and the device, the larger the downward pressure degree is, the farther the two support rods 24 can be away from each other, so that the overall height of the device is reduced, and the first return spring 26 is positioned between the sliding block 23 and the magnetic wheel 25, so that the distribution of each part is convenient.

The implementation principle of the TOFD ultrasonic detection device convenient to use in the embodiment of the application is as follows:

people can revolve TOFD detector host computer 12 on threaded rod 11 during the use, come to scan support body 1 and TOFD detector host computer 12 and fix, then people can be according to the width of the work piece that awaits measuring, outwards stimulate arm-tie 32, make dead lever 33 leave location round hole 14, second reset spring 31 can be stretched this moment, then remove the interior balladeur train 3 of spout 13, come to adjust the position of balladeur train 3 and probe 15, loosen arm-tie 32 after adjusting, at this moment under second reset spring 31 pulling force, balladeur train 3 and corresponding location round hole 14 can be connected to dead lever 33, come to fix the position of balladeur train 3 and probe 15 after the removal.

Then people can put the scanning frame body 1 down, then rock the rocker 22 to rotate the bidirectional screw rod 21, drive the bidirectional screw rod 21 with opposite thread directions at two ends to rotate, under the limit of the groove 2, the bidirectional screw rod 21 can drive the two sliding blocks 23 to move transversely close to or away from each other after rotating, so that the positions of the sliding blocks 23, the magnetic wheels 25 and other parts are adjusted, the magnetic wheels 25 with the adjusted positions can walk on a workpiece with the width, and the probe 15 can detect the defect of the workpiece by matching with a connecting line and the TOFD detector host 12.

People can also push down the dynamics of scanning the support body 1 through the control, come to adjust probe 15 and the whole height of device, and the lower pressure degree is bigger, and two bracing pieces 24 just can be far away from to make the whole height decline of device, prevent that probe 15 from the work piece too far and detect the precision step-down.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a TOFD ultrasonic testing device convenient to use, includes and scans support body (1), its characterized in that: scanning frame body (1) top center department fixedly connected with threaded rod (11), threaded rod (11) outer wall threaded connection has TOFD detector host computer (12), spout (13) have all been seted up to scanning frame body (1) both sides, sliding connection has two balladeur train (3) of symmetric distribution in spout (13), balladeur train (3) bottom inner wall swing joint has probe (15), probe (15) are connected with TOFD detector host computer (12) through the connecting wire, balladeur train (3) top outer wall fixedly connected with second reset spring (31), second reset spring (31) one end fixedly connected with arm-tie (32), arm-tie (32) are close to one side center department fixedly connected with dead lever (33) of second reset spring (31), a plurality of location round hole (14) of evenly distributed have been seted up in spout (13), dead lever (33) one end runs through balladeur train (3) cooperation and pegs graft in location round hole (14).

2. The TOFD ultrasonic testing apparatus as claimed in claim 1, wherein: one end of the fixing rod (33) is positioned in the second return spring (31), and the diameter size of the pulling plate (32) is larger than the outer diameter size of the second return spring (31).

3. The TOFD ultrasonic testing apparatus as claimed in claim 1, wherein: a groove (2) is formed in the middle of the bottom surface of the scanning frame body (1), and a bidirectional screw rod (21) is rotationally connected in the groove (2).

4. The TOFD ultrasonic testing apparatus as claimed in claim 3, wherein: one end of the bidirectional screw rod (21) is fixedly connected with a rocker (22), and the rocker (22) is located outside the scanning frame body (1).

5. The TOFD ultrasonic testing apparatus as claimed in claim 4, wherein: one end of the bidirectional screw rod (21) far away from the rocker (22) is fixedly connected with a rotating block (27), and the rotating block (27) is rotatably connected in the groove (2).

6. The TOFD ultrasonic testing apparatus for convenient use according to claim 5, wherein: the outer wall of the bidirectional screw rod (21) is in threaded connection with two symmetrically distributed sliding blocks (23), and the outer wall of each sliding block (23) is in fit butt joint with the inner wall of the corresponding groove (2).

7. The TOFD ultrasonic testing apparatus as claimed in claim 6, wherein: the bottom of the sliding block (23) is rotationally connected with two symmetrically distributed supporting rods (24) through a hinged support, and the outer wall of the bottom end of each supporting rod (24) is rotationally connected with a magnetic wheel (25).

8. The TOFD ultrasonic testing apparatus convenient for use according to claim 7, wherein: a first return spring (26) is fixedly connected between the two support rods (24), and the first return spring (26) is positioned between the sliding block (23) and the magnetic wheel (25).