CN217007113U

CN217007113U - TOFD detection equipment with high detection precision

Info

Publication number: CN217007113U
Application number: CN202122459143.7U
Authority: CN
Inventors: 姚子龙; 唐池; 梅刚志; 朱省初; 付友钢; 刘剑; 郑守俊; 胡志强; 李崇祥; 林小勇; 陈黎明; 彭湘南; 刘攀; 陈海港; 李海东; 吴红波; 唐丽敏; 周沙; 王元元
Original assignee: Shenzhen Zhongchang Detection Technology Co ltd
Current assignee: Shenzhen Zhongchang Detection Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-07-19
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses the technical field of ultrasonic detection, and particularly comprises the following steps: the utility model discloses TOFD detection equipment with high detection precision, which comprises a bottom plate, wherein the outer walls of the two sides of the bottom plate are rotatably connected with moving wheels through rotating rods, the end parts of the two sides of the outer wall of the top end of the bottom plate are fixedly connected with supporting components, a moving component is arranged between the supporting components, and the moving component is provided with a detection component in a sliding connection mode.

Description

TOFD detection equipment with high detection precision

Technical Field

The utility model relates to the technical field of ultrasonic detection, in particular to TOFD detection equipment with high detection precision.

Background

The time difference of diffraction ultrasonic detection (TOFD) is a detection technology which adopts double probes to symmetrically arrange in opposite directions in a one-to-one symmetrical mode, accurately measures the propagation time of diffraction waves at the end angle or end point of a defect, takes a trigonometric equation as a theoretical basis, displays images and adopts a computer to measure the size and position of the defect. When the diffraction time difference method is used for detection, a scanning frame is required to be used for ensuring that the probes are symmetrically distributed relative to the detected welding line.

When the existing TOFD detection equipment is used, because the position of the detection probe on the scanning frame is fixed, a user can only push the detection probe to reciprocate in one direction when using the existing TOFD detection equipment, so that the user cannot adjust the position of the detection probe according to the position of a welding line to be detected, and the detection precision of the TOFD device is low.

Therefore, it is necessary to develop a TOFD detection device with high detection accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide TOFD detection equipment with high detection precision, and aims to solve the problem that when the existing TOFD detection equipment in the background art is used, a user can only push a detection probe to reciprocate in one direction due to the fact that the position of the detection probe on a scanning frame is fixed, so that the user cannot adjust the position of the detection probe according to the position of a welding seam to be detected, and the detection precision of a TOFD device is low.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a detect TOFD check out test set that precision is high, includes the bottom plate, bottom plate both sides end outer wall all is connected with through the bull stick rotation and removes the wheel, the equal fixedly connected with supporting component of bottom plate top outer wall both sides tip, be provided with the removal subassembly between the supporting component, the mode through sliding connection on the removal subassembly is provided with determine module.

Preferably, the supporting component comprises a sleeve, the upper end of the sleeve is sleeved with a sliding rod in a sliding connection mode, the top end part of the sliding rod is fixedly connected with a supporting block, and the moving component is arranged between the supporting blocks.

Preferably, the outer wall of the front end of the sleeve is provided with pin holes a in an array mode, the outer wall of the front end of the sliding rod is provided with pin holes b in an array mode at positions corresponding to the pin holes a, and the pin holes a are connected with the pin holes b through fixing bolts.

Preferably, the moving assembly comprises a moving beam, the outer walls of the two side ends of the moving beam are fixed with one end of a rotating shaft in a rotating connection mode, the other end of the rotating shaft penetrates through the inner wall of the side end of the supporting block and is fixedly connected with a roller a, the outer wall of the side end of the supporting block is provided with a strip-shaped groove at the joint with the rotating shaft, the strip-shaped groove is matched with the rotating shaft for use, the inner wall of the bottom end of the supporting block is fixedly connected with a sliding rail, and the roller a is matched with the sliding rail for use.

Preferably, both side end parts of the outer wall of the top end of the movable beam are fixedly connected with curved plates, one ends, close to the supporting blocks, of the outer wall of the top end of each curved plate are sleeved with screw rods a in a threaded connection mode, the bottom end parts of the screw rods a penetrate through the outer wall of the top end of each curved plate and are fixed with pressing blocks a in a rotating connection mode, and the bottom end parts of the pressing blocks a are abutted to the outer wall of the top end of each supporting block.

Preferably, the detecting component comprises two groups of clamping frames, the clamping frames are arranged at the bottom end part of the movable beam, one ends of elastic supporting rods are fixedly connected to the upper parts of the inner walls of the front end and the rear end of the clamping frames respectively, the other ends of the elastic supporting rods are fixedly connected with curved frames, idler wheels b are arranged on the curved frames in a rotating connection mode, sliding grooves are formed in the joints of the outer walls of the front end and the rear end of the movable beam and the curved frames, and the idler wheels b are matched with the sliding grooves for use.

Preferably, screw rod b is sleeved at the bottom of the outer wall of the front end and the bottom of the outer wall of the rear end of the clamping frame in a threaded connection mode, the screw rod b is arranged below the elastic supporting rod, and a pressing block b is fixed at one end, close to the movable beam, of the screw rod b in a rotation connection mode.

Preferably, the telescopic link is adjusted to holding frame bottom outer wall fixedly connected with, it is fixed with the fixing base through the mode of articulated connection to adjust telescopic link bottom outer wall, the fixing base is close to the one end outer wall fixedly connected with test probe of walking beam center department.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the arranged movable beam can slide back and forth on the supporting block through the rotating shaft and the roller a, so that the front and back positions of the detection probe can be adjusted, the arranged curved frame can slide left and right in the sliding groove formed in the movable beam through the elastic telescopic rod and the roller b, so that the left and right positions of the detection probe can be adjusted, meanwhile, the arranged detection probe can rotate at the bottom end part of the adjusting telescopic rod through the fixed seat, so that the detection direction of the detection probe can be finely adjusted, and the position of the detection probe can be adjusted through the mode, so that the detection probe can adjust the detection position when detecting a workpiece, and the detection precision of the device is higher.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention in a front view;

FIG. 2 is a schematic sectional view of the walking beam and the supporting block in the front view;

FIG. 3 is a side view of the movable beam of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A;

fig. 5 is a schematic perspective view of the bottom plate of the present invention.

In the figure: 100. a base plate; 110. a moving wheel; 200. a support assembly; 210. a sleeve; 211. a pin hole a; 220. a slide bar; 221. a pin hole b; 222. fixing the bolt; 230. a support block; 231. a slide rail; 300. a moving assembly; 310. a moving beam; 311. a chute; 312. a rotating shaft; 313. a roller a; 320. a curved plate; 330. a screw a; 331. pressing a block a; 400. a detection component; 410. a clamping frame; 411. a screw b; 412. pressing a block b; 413. an elastic support bar; 414. a curved frame; 415. a roller b; 420. adjusting the telescopic rod; 430. detecting a probe; 431. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme: the TOFD detection equipment with high detection precision can adjust the position of a detection probe according to the position of a welding seam in the using process, the device has higher defect detection precision, please refer to fig. 1-5, which includes a bottom plate 100, outer walls of two sides of the bottom plate 100 are rotatably connected with moving wheels 110 through rotating rods, end portions of two sides of an outer wall of a top end of the bottom plate 100 are fixedly connected with supporting components 200, moving components 300 are arranged between the supporting components 200, and detecting components 400 are arranged on the moving components 300 in a sliding connection manner, specifically, the bottom plate 100 is arranged for placing a workpiece to be detected, the moving wheels 110 are arranged for moving the device, the moving components 300 are arranged for driving the detecting probes 430 to move back and forth, and the detecting components 400 are arranged for driving the detecting probes 430 to move left and right, so that the detecting probes 430 can detect defects of different positions of the workpiece;

further, the supporting component 200 includes a sleeve 210, the upper end of the sleeve 210 is sleeved with a sliding rod 220 in a sliding connection manner, the top end of the sliding rod 220 is fixedly connected with supporting blocks 230, the moving component 300 is disposed between the supporting blocks 230, the outer wall of the front end of the sleeve 210 is provided with pin holes a211 in an array manner, the outer wall of the front end of the sliding rod 220 is provided with pin holes b221 in an array manner at positions corresponding to the pin holes a211, the pin holes a211 and the pin holes b221 are connected by fixing bolts 222, specifically, the sleeve 210 and the sliding rod 220 are disposed to adjust the height of the moving component 300, the detection probe 430 can be adjusted according to the height of the detected workpiece, the pin holes a211, b221 and the fixing pin 222 are provided for fixing the position of the sliding rod 220 on the sleeve 210 and preventing the moving assembly 300 from moving downwards during the detection process, and the supporting block 230 is provided for enabling the moving assembly 300 to slide forwards and backwards;

Further, the moving assembly 300 includes a moving beam 310, the outer walls of the two side ends of the moving beam 310 are rotatably connected to one end of a rotating shaft 312, the other end of the rotating shaft 312 passes through the inner wall of the side end of the supporting block 230 and is fixedly connected to a roller a313, the outer wall of the side end of the supporting block 230 is provided with a strip-shaped groove at the connection with the rotating shaft 312, the inner wall of the bottom end of the supporting block 230 is fixedly connected to a sliding rail 231, the roller a313 is matched with the sliding rail 231 for use, the end portions of the two side walls of the top end of the moving beam 310 are both fixedly connected to a curved plate 320, one end of the outer wall of the top end of the curved plate 320, which is close to the supporting block 230, is sleeved with a screw a330 in a threaded connection manner, the bottom end portion of the screw a330 passes through the outer wall of the top end of the curved plate 320 and is fixed with a pressing block a331 in a rotatable connection manner, the bottom end portion of the pressing block a331 is abutted against the outer wall of the top end of the supporting block 230, specifically, the moving beam 310 is arranged to enable the detecting assembly 400 to slide left and right, the transverse position of the detection probe 430 can be adjusted, the rotating shaft 312 and the roller a313 are provided to enable the moving beam 310 to slide back and forth on the supporting block 230, so that the back and forth position of the detection probe 430 can be adjusted, the sliding rail 231 is provided to limit the moving direction of the roller a313 and reduce the friction force applied to the roller a313 during rolling, the strip-shaped groove is provided to prevent the supporting block 230 from obstructing the movement of the rotating shaft 312 by the outer end wall, the curved plate 320 is provided to fix the screw a330, and the screw a330 and the pressing block a331 are provided to fix the position of the moving beam 310 at the supporting block 230;

Further, the detecting assembly 400 includes two sets of holding frames 410, the holding frames 410 are disposed at the bottom end portion of the movable beam 310, the upper portions of the inner walls at the front and rear ends of the holding frames 410 are both fixedly connected with one end of an elastic supporting rod 413, the other end of the elastic supporting rod 413 is fixedly connected with a bent frame 414, a roller b415 is disposed on the bent frame 414 in a rotatable connection manner, sliding grooves 311 are disposed at the connection portions of the outer walls at the front and rear ends of the movable beam 310 and the bent frame 414, the roller b415 is used in cooperation with the sliding grooves 311, a screw b411 is sleeved at the bottom portions of the outer walls at the front and rear ends of the holding frames 410 in a threaded connection manner, the screw b411 is disposed below the elastic supporting rod 413, a pressing block b412 is fixed at one end of the screw b411 close to the movable beam 310 in a rotatable connection manner, an adjusting telescopic rod 420 is fixedly connected to the outer wall at the bottom end of the holding frame 410, a fixing seat 431 is fixed to the outer wall at the bottom end of the adjusting telescopic rod 420 in a hinged connection manner, a detecting probe 430 is fixedly connected to the outer wall at one end of the fixing seat 431 close to the center of the movable beam 310, specifically, the clamping frame 410 is provided for fixing the adjusting telescopic rod 420 and the detecting probe 430, and for sliding the clamping frame 410 on the movable beam 310, the screw b411 and the pressing block b412 are provided for fixing the position of the clamping frame 410 on the movable beam 310, the elastic support rod 413, the roller b415 and the sliding slot 311 are provided for allowing the clamping frame 410 to slide on the movable beam 310, the inner wall of the bottom end of the clamping frame 410 is fixedly connected with a curved slider, the outer wall of the bottom end of the movable beam 310 is provided with a curved sliding slot at the connection with the curved slider, the curved slider and the curved sliding slot are provided for fixing the clamping frame 410 and the movable beam 310 under the condition that the sliding of the clamping frame 410 is influenced, the adjusting telescopic rod 420 is provided for fixing the detecting probe 430, and for adjusting the height of the detecting probe 430, the fixing seat 431 is provided for fixing the detecting probe 430, and the other is to adjust the detection angle of the detection probe 430.

The working principle is as follows: firstly, a workpiece to be detected is placed on the bottom plate 100, then the fixing bolt 222 is pulled out, the sliding rod 220 slides up and down to adjust the height of the supporting block 230, after the height of the supporting block 230 is adjusted, the fixing bolt 222 is inserted into the pin hole a211 and the pin hole b221 to fix the height of the sliding rod 220, after the fixing is completed, the screw b411 is unscrewed to separate the press block b412 from the outer walls of the front end and the rear end of the moving beam 310, at this time, a user can slide the clamping frame 410 on the moving beam 310 to adjust the position of the detection probe 430, after the position of the detection probe 430 is adjusted, the user can rotate the screw b411 to tightly fix the press block b412 with the outer wall of the moving beam 310, then the height of the detection probe 430 is adjusted again through the adjusting telescopic rod 420, after the adjustment is completed, the detection angle of the detection probe 430 is adjusted through rotating the fixing seat 431, after the adjustment is completed, the user can push the moving beam 310 to enable the roller a313 to drive the moving beam 310 through the rotating shaft 312 at the side end of the moving beam 210 outside the sleeve 210 through the rotating shaft 312 The wall slides around going on to make test probe 430 can detect the defect on the work piece, after confirming the detection position, user's accessible is rotatory screw rod a330 makes briquetting a331 bottom portion and supporting shoe 230 top outer wall butt, thereby can fix test probe 430's position, thereby makes test probe 430 detect defect department many times, avoids appearing the error.

While the utility model has been described with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a detect TOFD check out test set that precision is high, includes bottom plate (100), bottom plate (100) both sides end outer wall all is connected with through the bull stick rotation and removes wheel (110), its characterized in that: the bottom plate (100) top outer wall both sides tip fixedly connected with supporting component (200), be provided with between supporting component (200) and remove subassembly (300), it is provided with determine module (400) through sliding connection's mode on removing subassembly (300).

2. The TOFD detection apparatus with high detection accuracy as claimed in claim 1, wherein: the supporting component (200) comprises a sleeve (210), the upper end of the sleeve (210) is sleeved with a sliding rod (220) in a sliding connection mode, the top end of the sliding rod (220) is fixedly connected with a supporting block (230), and the moving component (300) is arranged between the supporting blocks (230).

3. The TOFD detection apparatus with high detection accuracy as claimed in claim 2, wherein: the outer wall of the front end of the sleeve (210) is provided with pin holes a (211) in an array mode, the outer wall of the front end of the sliding rod (220) is provided with pin holes b (221) in an array mode at positions corresponding to the pin holes a (211), and the pin holes a (211) are connected with the pin holes b (221) through fixing bolts (222).

4. The TOFD detection apparatus with high detection accuracy as claimed in claim 2, wherein: the movable assembly (300) comprises a movable beam (310), wherein the outer walls of two side ends of the movable beam (310) are fixedly provided with one end of a rotating shaft (312) in a rotating connection mode, the other end of the rotating shaft (312) penetrates through the inner wall of the side end of a supporting block (230) and is fixedly connected with a roller a (313), a strip-shaped groove is formed in the joint of the outer wall of the side end of the supporting block (230) and the rotating shaft (312), the strip-shaped groove is matched with the rotating shaft (312) for use, the inner wall of the bottom end of the supporting block (230) is fixedly connected with a sliding rail (231), and the roller a (313) is matched with the sliding rail (231) for use.

5. The TOFD detection apparatus with high detection accuracy as claimed in claim 4, wherein: the movable beam (310) is characterized in that both side end portions of the outer wall of the top end of the movable beam (310) are fixedly connected with curved plates (320), one ends, close to the supporting blocks (230), of the outer walls of the top ends of the curved plates (320) are sleeved with screw rods a (330) in a threaded connection mode, the bottom end portions of the screw rods a (330) penetrate through the outer walls of the top ends of the curved plates (320) and are fixed with pressing blocks a (331) in a rotating connection mode, and the bottom end portions of the pressing blocks a (331) are abutted to the outer walls of the top ends of the supporting blocks (230).

6. The TOFD detection apparatus with high detection accuracy as claimed in claim 1, wherein: detection component (400) include two sets of holding frame (410), holding frame (410) set up in walking beam (310) bottom portion, the one end of the equal fixedly connected with elastic support rod (413) in holding frame (410) front and back end inner wall upper portion, the bent frame (414) of other end fixedly connected with of elastic support rod (413), be provided with gyro wheel b (415) through the mode of rotating the connection on bent frame (414), spout (311) have been seted up with bent frame (414) junction to walking beam (310) front and back end outer wall, gyro wheel b (415) and spout (311) cooperation are used.

7. The TOFD detection apparatus with high detection accuracy as claimed in claim 6, wherein: screw rod b (411) has been cup jointed through threaded connection's mode to holding frame (410) front and back end outer wall bottom, screw rod b (411) set up in elastic support pole (413) below, screw rod b (411) are close to the one end of walking beam (310) and are fixed with briquetting b (412) through the mode of rotating the connection.

8. The TOFD detection apparatus with high detection accuracy as claimed in claim 6, wherein: clamping frame (410) bottom outer wall fixedly connected with adjusts telescopic link (420), it is fixed with fixing base (431) through the mode of articulated connection to adjust telescopic link (420) bottom outer wall, fixing base (431) are close to the one end outer wall fixedly connected with test probe (430) of walking beam (310) center department.