CN214067033U - Efficient ultrasonic flaw detection device - Google Patents
Efficient ultrasonic flaw detection device Download PDFInfo
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- CN214067033U CN214067033U CN202023285503.8U CN202023285503U CN214067033U CN 214067033 U CN214067033 U CN 214067033U CN 202023285503 U CN202023285503 U CN 202023285503U CN 214067033 U CN214067033 U CN 214067033U
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Abstract
The utility model relates to an efficient ultrasonic inspection device belongs to the stainless steel technical field of detecting a flaw. An efficient ultrasonic flaw detection device comprises a movable trolley and a detection assembly mounted on the movable trolley, wherein the detection assembly is connected with the movable trolley through a transverse telescopic rod and comprises at least one detection unit, and the detection unit comprises a vertical telescopic rod and an ultrasonic detection probe mounted at the lower end of the vertical telescopic rod; the ultrasonic detection probe is arranged at the lower end of the vertical telescopic rod through an elastic connecting assembly; the elastic connecting assembly comprises a rotating part, an adjusting shaft, an adjusting spring and an ultrasonic detection probe mounting seat. The utility model provides an efficient ultrasonic inspection device has solved and has need handheld ultrasonic inspection appearance at present when manual detection big specification round steel, is kicking or bending the waist and is carrying out one by one to the round steel and scanning, wastes time and energy, is unfavorable for the problem of operation.
Description
Technical Field
The utility model relates to an efficient ultrasonic inspection device belongs to the stainless steel technical field of detecting a flaw.
Background
With the continuous development of the stainless steel industry, more and more stainless steel products are used in various complex use environments, so that the requirement on the use performance of the stainless steel products is improved. Therefore, when detecting a product, the intrinsic quality of the material needs to be detected at the same time. Ultrasonic inspection is a technique that can nondestructively inspect materials or mechanical parts for internal defects. Among the prior art, when using the ultrasonic flaw detector, need handheld, when manual detection big specification round steel, often need step on or bend over to carry out one by one to the round steel and scan the check, waste time and hard, be unfavorable for the operation.
The patent of chinese utility model with application number 201220001320.5 discloses a travelling car device of supplementary railway wheel axletree ultrasonic inspection. It comprises a trolley main body, wherein the trolley main body is provided with a top lattice platform, a drawer and a trolley door, and a top lattice
The platform and the drawer are respectively provided with a portable ultrasonic flaw detector and a portable data analysis computer, and the portable ultrasonic flaw detector can be stored in the trolley door. This patent is convenient for operating personnel carries out the wheel axletree and detects of detecting a flaw, provides testing platform and data analysis platform for operating personnel to provide storing space and place the appearance of detecting a flaw and be used as the toolbox, greatly make things convenient for the manual inspection operation, improve the efficiency of detecting a flaw. However, the round steel flaw detection and the wheel axle flaw detection are performed on specific operation levels, and the use conditions are different due to different flaw detection objects, so that the technical scheme of the patent is difficult to directly use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem and provide an efficient ultrasonic inspection device.
The utility model provides a technical scheme as follows of above-mentioned problem:
an efficient ultrasonic flaw detection device comprises a movable trolley and a detection assembly mounted on the movable trolley, wherein the detection assembly is connected with the movable trolley through a transverse telescopic rod and comprises at least one detection unit, and the detection unit comprises a vertical telescopic rod and an ultrasonic detection probe mounted at the lower end of the vertical telescopic rod; the upper end of the vertical telescopic rod is connected with the transverse telescopic rod, and the ultrasonic detection probe is installed at the lower end of the vertical telescopic rod through an elastic connecting assembly; the elastic connecting assembly comprises a rotating part fixedly connected with the lower end of the transverse telescopic rod, an adjusting shaft fixedly connected with the rotating part, an adjusting spring sleeved on the adjusting shaft and an ultrasonic detection probe mounting seat movably connected to the tail end of the adjusting shaft; at least the upper section of the adjusting shaft is a threaded section, an adjusting nut is arranged on the threaded section, one end of the adjusting spring is elastically pressed on the adjusting nut, and the other end of the adjusting spring is elastically pressed on the ultrasonic detection probe mounting seat.
When carrying out ultrasonic inspection to the round steel, not only need handheld flaw detector, still need paste the flaw detector and lean on the round steel to exert certain power, make the pressure between probe and round steel meet the requirements, just can detect.
Preferably, the number of the detection units is 3.
In the above technical solution of the present invention, 3 vertical telescopic rods can be adjusted by extending and retracting up and down, and the respective distance is adjusted by moving left and right based on the horizontal telescopic rod, and then locked; the lower extreme of vertical connecting rod connects the probe with rotating parts such as universal joint, joint ball, makes the probe can 360 degrees freedom adjustment, and above-mentioned setting can make probe and round steel surface remain perpendicular all the time, with the abundant coupling in round steel surface. The force of the spring can be fully adjusted through the adjusting nut, so that when the surface of the round steel is hollow, the round steel can be kept in full contact and the proper pressure between the probe and the round steel can be kept. And the ultrasonic probe can play a role in shock absorption when moving on the basis of the uneven surface of the round steel. During specific use, the inspector pushes the movable trolley as required, the probe moves back and forth on the surface of the round steel, and the signal is transmitted back to the instrument, so that the round steel can be checked on the display. Above-mentioned scheme has been solved and at present need handheld ultrasonic flaw detector when manual detection big specification round steel, has pedaled or has been bent the waist and has carried out one by one to the round steel and have been swept the inspection, wastes time and difficultly, is unfavorable for the problem of operation.
Preferably, in the above technical solution, the rotating member is a universal joint.
Preferably, in the above-described aspect, the rotating member is a joint ball.
Preferably, the ultrasonic detection probe mounting base is provided with an accommodating cavity for mounting the ultrasonic detection probe, a threaded hole is formed in a side wall of the accommodating cavity, and the ultrasonic detection probe mounting base further comprises a pre-tightening nut; the ultrasonic detection probe is screwed into the threaded hole through the pre-tightening nut, and the end part of the ultrasonic detection probe extends into the accommodating cavity to pre-tighten the ultrasonic detection probe on the ultrasonic detection probe mounting seat.
The utility model provides an among the above-mentioned technical scheme, a reliable mounting means of ultrasonic probe is provided.
Preferably, the threaded holes and the pre-tightening nuts are at least provided in two groups and are uniformly distributed along the circumferential direction of the accommodating cavity.
Preferably, the wheels of the moving trolley are universal wheels, and the universal wheels are arranged at the bottom of the moving trolley through a directional component; the orientation assembly comprises a fixed piece and a movable piece, wherein the fixed piece is used for installing the fixed piece to the bottom of the movable trolley; the upper end of the moving part is rotatably connected with the fixing part, and the lower end of the moving part is fixedly connected with the mounting seat of the universal wheel.
Preferably, the movable part is rotatably connected with the fixed part through a plane bearing, a plurality of spherical grooves are arranged on a vertical cylindrical side wall of the movable part, the plurality of spherical grooves are arranged at the same horizontal height and are uniformly distributed in the circumferential direction, transition grooves are arranged between adjacent spherical grooves, and the depth of each transition groove is slightly smaller than that of each spherical groove; the ball head spring pin is characterized by also comprising a ball head spring pin, wherein the outer peripheral wall of the ball head spring pin is provided with an external thread, the ball head spring pin is radially arranged on the fixing piece through an internal thread hole formed in the side wall of the fixing piece, and the ball head spring pin is elastically pressed in the spherical groove; when the movable piece rotates based on the fixed piece, the spherical groove rotates based on the ball head spring pin, so that the ball head spring pin is elastically pressed to stretch based on the spherical groove and the transition groove.
In the prior art, the universal wheel seat is directly installed in a simple rotating mode during installation, and the mode has obvious defects. When the moving trolley is lifted, the universal wheel becomes a free suspension state, and can freely rotate at the moment; when the movable trolley is placed on the ground, the gravity of the trolley is loaded on the universal wheel seat, and the gravity is converted into frictional resistance at the moment, so that the free rotation of the universal wheel seat is blocked, and the rotation of the trolley is not flexible enough. When flaw detection is performed, it is difficult to maintain proper contact pressure between the ultrasonic probe and the round steel by using the mobile trolley which is not flexible enough. The situation that the steering of the universal wheel of the mobile trolley is insufficient or the steering is transited often occurs, and the ultrasonic detection of the round steel is seriously influenced.
The utility model discloses among the above-mentioned technical scheme, at first adopt plane bearing for the mounting becomes nimble with the rotation between the rotation piece, makes to rotate and almost no longer receives gravity loading's influence. Secondly, the flexible rotation is controlled through the matching action of the spring ball pin, the arc-shaped grooves and the transition grooves, namely when the steering force is smaller than a set value, the universal wheel of the trolley is kept in an oriented state without steering, and when the steering force reaches the set value, the spring ball pin slides into the other arc-shaped groove from one arc-shaped groove, so that a new balance is reestablished, and the movable trolley can continuously keep the current state to continue to move straight after steering; that is to say, the implementation of the technical proposal of the utility model changes the problems of difficult steering of the prior universal wheel, uncontrollable required steering force and uncontrollable steering angle; the trolley has the advantages that steering is easy, required steering force is accurate and controllable (based on elastic press fit of the spring ball head pin and the arc-shaped groove), and steering angle is controllable, so that proper contact pressure between the ultrasonic probe and round steel is kept in the moving process of the trolley.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model provides an efficient ultrasonic flaw detection device, which solves the problems that the prior art needs to hold an ultrasonic flaw detector when manually detecting large-sized round steel, and manually scans the round steel one by pedaling or bending, thereby wasting time and labor and being not beneficial to operation;
2. the utility model discloses the lower extreme of vertical connecting rod rotates piece connection probe such as universal joint, joint ball for 360 degrees freedom adjustments, above-mentioned setting, can make probe and round steel surface remain perpendicular all the time, with the abundant coupling in round steel surface. The pre-pressure of the spring can be fully adjusted by adjusting the nut, so that when the surface of the round steel is hollow, the round steel can be kept in full contact and the proper pressure between the probe and the round steel can be kept;
3. the utility model makes the flexible rotation controlled through the cooperation of the spring ball pin, the arc-shaped groove and the transition groove; the problems that the steering of the prior universal wheel is difficult, the required steering force is uncontrollable and the steering angle is uncontrollable are solved; the trolley has the advantages that steering is easy, required steering force is accurate and controllable (based on elastic press fit of the spring ball head pin and the arc-shaped groove), and steering angle is controllable, so that proper contact pressure between the ultrasonic probe and round steel is kept in the moving process of the trolley.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the elastic connection assembly of the present invention;
FIG. 3 is a schematic view of the mounting structure of the universal wheel of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
in the figure, 1-a movable trolley, 2-a transverse telescopic rod and 3-a vertical telescopic rod;
11-universal wheel, 12-fixed part, 13-movable part, 14-mounting seat of universal wheel, 15-plane bearing, 16-spherical groove, 17-transition groove and 18-ball spring pin;
31-a vertical telescopic rod, which is provided with a vertical telescopic rod,
321-rotating part, 322-adjusting shaft, 323-adjusting spring, 324-ultrasonic detecting probe mounting seat, 325-adjusting nut and 326-pre-tightening nut.
Detailed Description
The invention is further explained below with reference to the drawings.
This detailed description is merely illustrative of the present invention and is not intended to be limiting. Any changes that may be made by one skilled in the art after reading the specification of the invention are, within the scope of the claims, protected by the patent laws.
As shown in figure 1, the high-efficiency ultrasonic flaw detection device comprises a moving trolley 1 and a detection assembly 3 mounted on the moving trolley 1. The detection assembly 3 comprises three detection units, and each detection unit is connected with the movable trolley 1 through a transverse telescopic rod 2. The detection unit comprises a vertical telescopic rod 31 and an ultrasonic detection probe installed at the lower end of the vertical telescopic rod 31. The upper end of the vertical telescopic rod 31 is connected with the transverse telescopic rod 2. The ultrasonic detection probe is installed at the lower end of the vertical telescopic rod 31 through an elastic connection assembly.
As shown in fig. 2, the elastic connection assembly includes: the ultrasonic detection device comprises a rotating part 321 fixedly connected with the lower end of the transverse telescopic rod 2, an adjusting shaft 322 fixedly connected with the rotating part, an adjusting spring 323 sleeved on the adjusting shaft, and an ultrasonic detection probe mounting seat 324 movably connected with the tail end of the adjusting shaft 322. The upper section of the adjusting shaft 322 is a threaded section, an adjusting nut 325 is arranged on the threaded section, one end of the adjusting spring 323 is elastically pressed on the adjusting nut 325, and the other end of the adjusting spring 323 is elastically pressed on the ultrasonic detection probe mounting seat 324. In the present embodiment, as shown in fig. 2, the rotating member is a joint ball.
The ultrasonic detection probe mounting seat 324 is provided with an accommodating cavity for mounting an ultrasonic detection probe, the side wall of the accommodating cavity is provided with a threaded hole, and the ultrasonic detection probe mounting seat further comprises a pre-tightening nut 326; the ultrasonic detection probe is screwed into the threaded hole through the pre-tightening nut 326, and the end part of the ultrasonic detection probe extends into the accommodating cavity to pre-tighten the ultrasonic detection probe on the ultrasonic detection probe mounting seat 324. The threaded holes and the pre-tightening nuts are at least provided with two groups and are evenly distributed along the circumferential direction of the accommodating cavity.
As shown in fig. 1, the wheels of the mobile cart 1 are universal wheels 11. The universal wheel 11 is arranged at the bottom of the moving trolley 1 through a directional component.
As shown in fig. 3, the orientation assembly comprises a fixed member 12 for mounting itself to the bottom of the mobile carriage 1 and a movable member 13; the upper end of the movable piece 13 is rotatably connected with the fixed piece 12, and the lower end of the movable piece 13 is fixedly connected with the mounting seat 14 of the universal wheel.
As shown in fig. 4, the movable part 13 is rotatably connected to the fixed part 12 through a plane bearing 15, and a plurality of spherical grooves 16 are formed in a vertical cylindrical side wall of the movable part 13, the plurality of spherical grooves 16 are arranged at the same horizontal height and are uniformly distributed in the circumferential direction, transition grooves 17 are formed between adjacent spherical grooves, and the depth of each transition groove 17 is slightly smaller than that of each spherical groove 16;
as shown in fig. 4, the orientation assembly further includes a ball spring pin 18, wherein an outer circumferential wall of the ball spring pin 18 is provided with an external thread, and is radially mounted on the fixing member 12 through an internal thread hole formed in a side wall of the fixing member 12, and an elastic ball of the ball spring pin 18 is pressed in the spherical groove 16; when the movable element 13 rotates based on the fixed element 12, the spherical groove 16 rotates based on the ball spring pin 18, so that the elastic ball of the ball spring pin 18 is elastically compressed and stretched based on the spherical groove 16 and the transition groove 17.
Claims (7)
1. The utility model provides an efficient ultrasonic flaw detection device, includes travelling car (1) and installs detection module (3) on travelling car (1), detection module (3) through horizontal telescopic link (2) with travelling car (1) connect its characterized in that: the detection assembly (3) comprises at least one detection unit, and the detection unit comprises a vertical telescopic rod (31) and an ultrasonic detection probe arranged at the lower end of the vertical telescopic rod (31); the upper end of the vertical telescopic rod (31) is connected with the transverse telescopic rod (2), and the ultrasonic detection probe is installed at the lower end of the vertical telescopic rod (31) through an elastic connecting assembly; the elastic connecting assembly comprises a rotating part (321) fixedly connected with the lower end of the transverse telescopic rod (2), an adjusting shaft (322) fixedly connected with the rotating part, an adjusting spring (323) sleeved on the adjusting shaft and an ultrasonic detection probe mounting seat (324) movably connected to the tail end of the adjusting shaft (322); at least the upper section of the adjusting shaft (322) is a threaded section, an adjusting nut (325) is arranged on the threaded section, one end of the adjusting spring (323) is pressed on the adjusting nut (325), and the other end of the adjusting spring is pressed on the ultrasonic detection probe mounting seat (324).
2. A high efficiency ultrasonic testing apparatus according to claim 1, wherein: the rotating piece is a universal joint.
3. A high efficiency ultrasonic testing apparatus according to claim 1, wherein: the rotating part is a joint ball.
4. A high efficiency ultrasonic testing apparatus according to claim 1, wherein: the ultrasonic detection probe mounting seat (324) is provided with an accommodating cavity for mounting an ultrasonic detection probe, the side wall of the accommodating cavity is provided with a threaded hole, and the ultrasonic detection probe mounting seat further comprises a pre-tightening nut (326); the ultrasonic detection probe is screwed into the threaded hole through the pre-tightening nut (326), and the end part of the ultrasonic detection probe extends into the accommodating cavity to pre-tighten the ultrasonic detection probe on the ultrasonic detection probe mounting seat (324).
5. The high-efficiency ultrasonic testing apparatus according to claim 4, wherein: the threaded holes and the pre-tightening nuts are at least provided with two groups and are evenly distributed along the circumferential direction of the accommodating cavity.
6. A high efficiency ultrasonic testing apparatus according to claim 1, wherein: the wheels of the mobile trolley (1) are universal wheels (11), and the universal wheels (11) are arranged at the bottom of the mobile trolley (1) through a directional component; the orientation assembly comprises a fixed part (12) and a movable part (13), wherein the fixed part is used for installing the fixed part on the bottom of the movable trolley (1); the upper end of the movable piece (13) is rotatably connected with the fixed piece (12), and the lower end of the movable piece (13) is fixedly connected with the mounting seat (14) of the universal wheel.
7. The high-efficiency ultrasonic testing apparatus according to claim 6, wherein: the movable piece (13) is rotatably connected with the fixed piece (12) through a plane bearing (15), a plurality of spherical grooves (16) are arranged on the vertical cylindrical side wall of the movable piece (13), the spherical grooves are arranged at the same horizontal height and are uniformly distributed in the circumferential direction, transition grooves (17) are arranged between adjacent spherical grooves, and the depth of each transition groove is slightly smaller than that of each spherical groove; the ball head spring pin is characterized by further comprising a ball head spring pin (18), wherein external threads are arranged on the outer peripheral wall of the ball head spring pin (18), the ball head spring pin is radially installed on the fixing piece through an internal thread hole formed in the side wall of the fixing piece, and the ball head spring pin (18) is elastically pressed in the spherical groove (16); when the movable piece (13) rotates based on the fixed piece (12), the spherical groove (16) rotates based on the ball head spring pin (18), so that the ball head spring pin (18) is elastically pressed to stretch based on the spherical groove (16) and the transition groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285503.8U CN214067033U (en) | 2020-12-30 | 2020-12-30 | Efficient ultrasonic flaw detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285503.8U CN214067033U (en) | 2020-12-30 | 2020-12-30 | Efficient ultrasonic flaw detection device |
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| CN214067033U true CN214067033U (en) | 2021-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264725A (en) * | 2021-12-30 | 2022-04-01 | 合肥火眼智能科技有限公司 | Handheld general ultrasonic flaw detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264725A (en) * | 2021-12-30 | 2022-04-01 | 合肥火眼智能科技有限公司 | Handheld general ultrasonic flaw detector |
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