CN218481466U

CN218481466U - Automatic scanning device for TOFD test block

Info

Publication number: CN218481466U
Application number: CN202222118024.XU
Authority: CN
Inventors: 高赛银
Original assignee: Jiangsu Hengyi Testing Co ltd
Current assignee: Jiangsu Hengyi Testing Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-02-14
Anticipated expiration: 2032-08-12

Abstract

The application belongs to the technical field of equipment defect detection, and discloses an automatic TOFD test block scanning device which comprises a rack, wherein two sides of the rack are symmetrically and fixedly connected with supports, the bottoms of the opposite sides of the two supports are symmetrically and fixedly connected with fixed shafts, one ends of the fixed shafts, far away from the supports, are rotatably connected with rollers, the front side of the rack is symmetrically and slidably connected with a movable frame, the front side of the movable frame is provided with a camera frame, and a probe is sleeved in the camera frame; the outside cover of taking a picture frame is equipped with angle adjusting part, and is two sets of angle adjusting part all includes L template, first pivot, connecting plate, link, second pivot, first dead lever and second dead lever. When the angle is adjusted, the first threaded rod and the second threaded rod are pulled respectively, and then the camera shooting frame can be adjusted at any angle through mutual matching of the internal structures, so that the probe can be ensured to be attached to a workpiece tightly, a good fit can be formed between the probe and a detection surface, and the accuracy of the detection effect is improved.

Description

Automatic scanning device for TOFD test block

Technical Field

The application relates to the technical field of equipment defect detection, in particular to an automatic scanning device for TOFD test blocks.

Background

The TOFD technology is a technology for implementing detection based on diffraction signals, and utilizes the principle that waves continuously propagate through scattering after encountering obstacles or small holes, and adopts a transmitting-receiving two broadband narrow pulse probes for detection, the probes are symmetrically arranged relative to the central line of a welding seam, the transmitting probe generates unfocused longitudinal wave beams which are incident into a detected workpiece at a certain angle, wherein part of the beams are transmitted along the near surface and received by a receiving probe, part of the beams are reflected by the bottom surface and received by the receiving probe, and the receiving probe determines the positions and the heights of defects by receiving diffraction signals of the tips of the defects and time differences thereof.

The existing probes used by some detection devices can only rotate on one plane basically, the scanning angle is limited in adjustment, and in the scanning and detecting processes of some devices with irregular shapes, when a scanning path is not perpendicular to a welding line, the probes and a detection surface can not be well attached to influence the detection effect, so that the TOFD test block automatic scanning device is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides an automatic scanning device for TOFD test blocks.

The TOFD test block automatic scanning device provided by the application adopts the following technical scheme:

the automatic TOFD test block scanning device comprises a rack, wherein two sides of the rack are symmetrically and fixedly connected with supports, the bottoms of the opposite sides of the two supports are symmetrically and fixedly connected with fixed shafts, one ends, far away from the supports, of the fixed shafts are rotatably connected with rollers, the front of the rack is symmetrically and slidably connected with moving frames, lifting mechanisms are symmetrically arranged on the opposite sides of the two moving frames, a camera frame is arranged on the front of the moving frames, and probes are sleeved in the camera frame;

the outside cover of taking a picture frame is equipped with angle adjusting assembly, and is two sets of angle adjusting assembly all includes L template, first pivot, connecting plate, link, second pivot, first dead lever and second dead lever, the one end pole wall sliding connection of first dead lever has the arc balladeur train, one side top fixed connection of arc balladeur train is in one side of L template, one of them the spout has been seted up to the bottom of link, the inside at the spout of a terminal rod wall sliding connection of second dead lever.

Furthermore, one end fixed connection of first dead lever is in one side of connecting plate, the other end of first dead lever rotates and is connected with first fastening knob, the top of connecting plate is rotated with the bottom of first pivot and is connected, the top fixed connection of first pivot is in the bottom of L template.

Through above-mentioned technical scheme, pulling first dead lever makes it slide in the inside of arc balladeur train, then uses first pivot as the fulcrum, can drive the frame rotation of making a video recording through the connecting plate.

Furthermore, four the top of link corresponds fixed connection respectively in the bottom both sides of two connecting plates, another one side bottom that the link is close to the frame of making a video recording and one side fixed connection of second pivot, the opposite side of second pivot is rotated with one side of the frame of making a video recording and is connected.

Through above-mentioned technical scheme, pulling second dead lever makes it slide in the inside of one of them link, then uses the second pivot as the fulcrum, can drive the frame of making a video recording and rotate.

Furthermore, the other side of the camera shooting frame is fixedly connected with the other end of a second fixing rod, and one end of the second fixing rod is rotatably connected with a second fastening knob.

Through above-mentioned technical scheme, when the frame of making a video recording rotated to required angle, rotatory second fastening knob fixed the second dead lever.

Further, elevating system includes threaded rod, fixed block and movable plate, the inner wall of movable plate and the bottom sliding connection who removes the frame, the threaded rod sets up the one side that is being close to the support, the bottom of threaded rod is connected with the internal rotation of movable plate, the top of threaded rod is connected with the internal rotation of fixed block, one side fixed connection of fixed block is in the one side that removes the frame.

Through above-mentioned technical scheme, rotate the movable plate of threaded rod drive bottom, reciprocate along the outer wall of removal frame.

Furthermore, the front of the movable plate is fixedly connected to the back of the L-shaped plate, the back of the rack is fixedly connected with an installation plate, and a power supply is fixedly installed on the back of the installation plate.

Through the technical scheme, the power supply is arranged, and the driving force is provided for the scanning equipment.

In summary, the present application includes the following beneficial technical effects:

the utility model discloses a, be provided with angle adjusting assembly, during angle regulation, not hard up first fastening knob earlier and second fastening knob after, stimulate first threaded rod and second threaded rod respectively again, then through mutually supporting between the internal connection structure, make the frame of making a video recording can arbitrary angle modulation to guarantee that the probe can paste tight work piece, and detect and form better laminating between the face, improve the accuracy of detection effect.

Drawings

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

FIG. 2 is a schematic diagram of a right-view structure of the present application;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 of the present application.

The numbering in the figures illustrates:

1. a frame; 2. a support; 3. a fixed shaft; 4. a roller; 5. a movable frame; 6. a threaded rod; 7. a fixed block; 8. moving the plate; 9. a power source; 10. an L-shaped plate; 11. a first rotating shaft; 12. a connecting plate; 13. a connecting frame; 14. a second rotating shaft; 15. a camera stand; 16. a probe; 17. an arcuate carriage; 18. a first fixing lever; 19. a first fastening knob; 20. a second fixing bar; 21. a second fastening knob; 22. and (7) mounting the plate.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

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

The embodiment of the application discloses an automatic scanning device for TOFD test blocks, which comprises a frame 1, wherein two sides of the frame 1 are symmetrically and fixedly connected with brackets 2, the bottom of one side of each of the two brackets 2, which is opposite, is symmetrically and fixedly connected with a fixed shaft 3, one end of the fixed shaft 3, which is far away from the brackets 2, is rotatably connected with a roller 4, the back of the frame 1 is fixedly connected with a mounting plate 22, the back of the mounting plate 22 is fixedly provided with a power supply 9, the front of the mounting plate 22 is provided with a circular hole, two first connecting wires are arranged inside the circular hole, one ends of the two first connecting wires are respectively and electrically connected with the front of the power supply 9, the other ends of the two first connecting wires are respectively connected with the top ends of two movable frames 5, the back of the power supply 9 is electrically connected with two second connecting wires, one ends of the two second connecting wires are respectively connected with the back of the two brackets 2, the front side of the frame 1 is symmetrically and slidably connected with moving frames 5, one side of each of the two moving frames 5, which is opposite to the other side, is symmetrically provided with a lifting mechanism, the lifting mechanism comprises a threaded rod 6, a fixed block 7 and a moving plate 8, the inner wall of the moving plate 8 is slidably connected with the bottom of the moving frame 5, the threaded rod 6 is arranged on one side close to the support 2, a threaded hole matched with the threaded rod 6 is formed in one side of the moving plate 8, the bottom of the threaded rod 6 is rotatably connected with the inside of the moving plate 8, the moving plate 8 can move upwards along the outer wall of the moving frame 5 by rotating the threaded rod 6 clockwise, the moving plate 8 can move downwards along the outer wall of the moving frame 5 by rotating the threaded rod 6 anticlockwise, the top of the threaded rod 6 is rotatably connected with the inside of the fixed block 7, one side of the fixed block 7 is fixedly connected with one side of the moving frame 5, and the front side of the moving plate 8 is fixedly connected with the back side of the L-shaped plate 10, the front surface of the moving frame 5 is provided with an imaging frame 15, and a probe 16 is sleeved inside the imaging frame 15.

An angle adjusting assembly is sleeved outside the camera shooting frame 15, two groups of angle adjusting assemblies respectively comprise an L-shaped plate 10, a first rotating shaft 11, a connecting plate 12, connecting frames 13, a second rotating shaft 14, a first fixing rod 18 and a second fixing rod 20, a rod wall at one end of the first fixing rod 18 is connected with an arc-shaped sliding frame 17 in a sliding mode, the top of one side of the arc-shaped sliding frame 17 is fixedly connected to one side of the L-shaped plate 10, the bottom of one connecting frame 13 is arc-shaped, a sliding groove is formed in the bottom of one connecting frame 13, a rod wall at one end of the second fixing rod 20 is connected to the inside of the sliding groove in a sliding mode, one end of the first fixing rod 18 is fixedly connected to one side of the connecting plate 12, the other end of the first fixing rod 18 is rotatably connected with a first fastening knob 19, the top end of the connecting plate 12 is rotatably connected with the bottom end of the first rotating shaft 11, the first rotating shaft 11 is positioned at one side, which is close to the front side, the top end of the connecting plate 12, the first fixing rod 18 is located at one side of the connecting plate 12 close to the back, the first fixing rod 18 is pulled upwards, so that the connecting plate 12 rotates towards the bottom close to the L-shaped plate 10 with the first rotating shaft 11 as a fulcrum, the first fixing rod 18 is pulled downwards, so that the connecting plate 12 rotates towards the bottom far away from the L-shaped plate 10 with the first rotating shaft 11 as a fulcrum, the top end of the first rotating shaft 11 is fixedly connected to the bottom of the L-shaped plate 10, the top ends of the four connecting frames 13 are respectively and correspondingly and fixedly connected to two sides of the bottom ends of the two connecting plates 12, the bottom of one side of the other connecting frame 13 close to the camera frame 15 is fixedly connected with one side of the second rotating shaft 14, the other side of the second rotating shaft 14 is rotatably connected with one side of the camera frame 15, the other side of the camera frame 15 is fixedly connected with the other end of the second fixing rod 20, one end of the second fixing rod 20 is rotatably connected with the second fastening knob 21, the second fixing rod 20 is pulled upwards, the camera frame 15 can be rotated counterclockwise around the second rotating shaft 14, and the camera frame 15 can be rotated clockwise around the second rotating shaft 14 by pulling the second fixing rod 20 downward.

The implementation principle of the automatic TOFD test block scanning device in the embodiment of the application is as follows: when the angle of the connecting plate 12 is adjusted, the first fastening knob 19 is rotated anticlockwise to move to one side far away from the arc-shaped sliding frame 17, then the first fastening knob 19 is pulled to drive the connecting plate 12 through the first fixing rod 18, the first rotating shaft 11 serves as a fulcrum to rotate, when the angle is adjusted to a required angle, the first fastening knob 19 is rotated clockwise to move to one side close to the arc-shaped sliding frame 17, and then when the first fastening knob 19 is tightly attached to one side of the arc-shaped sliding frame 17, the first fastening knob 19 stops rotating.

When the angle of the camera shooting frame 15 is adjusted, the second fastening knob 21 is rotated counterclockwise first to move to the side far away from the connecting frame 13, then the second fastening knob 21 is pulled, the second fixing rod 20 drives the camera shooting frame 15 to rotate by taking the second rotating shaft 14 as a fulcrum, when the angle is adjusted to a required angle, the second fastening knob 21 is rotated clockwise to move to the side close to the connecting frame 13, and then when the angle is tightly attached to the side of the connecting frame 13, the second fastening knob 21 stops rotating.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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

Automatic scanning device of TOFD test block, including frame (1), its characterized in that: the two sides of the rack (1) are symmetrically and fixedly connected with supports (2), the bottoms of the opposite sides of the two supports (2) are symmetrically and fixedly connected with fixed shafts (3), one ends, far away from the supports (2), of the fixed shafts (3) are rotatably connected with idler wheels (4), the front of the rack (1) is symmetrically and slidably connected with moving frames (5), the opposite sides of the two moving frames (5) are symmetrically provided with lifting mechanisms, the front of the moving frame (5) is provided with a camera frame (15), and probes (16) are sleeved in the camera frame (15);

the outside cover of taking a photograph frame (15) is equipped with angle adjusting part, and is two sets of angle adjusting part all includes L template (10), first pivot (11), connecting plate (12), link (13), second pivot (14), first dead lever (18) and second dead lever (20), the one end pole wall sliding connection of first dead lever (18) has arc balladeur train (17), one side top fixed connection of arc balladeur train (17) is in one side of L template (10), one of them the spout has been seted up to the bottom of link (13), the one end pole wall sliding connection of second dead lever (20) is in the inside of spout.
2. The automatic scanning device for TOFD test block according to claim 1, wherein: one end fixed connection of first dead lever (18) is in one side of connecting plate (12), the other end of first dead lever (18) is rotated and is connected with first fastening knob (19), the top of connecting plate (12) is rotated with the bottom of first pivot (11) and is connected, the top fixed connection of first pivot (11) is in the bottom of L template (10).
3. The automatic scanning device for TOFD test blocks according to claim 1, wherein: four the top of link (13) corresponds fixed connection respectively in the bottom both sides of two connecting plates (12), another one side bottom that link (13) are close to camera shooting frame (15) and one side fixed connection of second pivot (14), the opposite side of second pivot (14) rotates with one side of camera shooting frame (15) to be connected.
4. The automatic scanning device for TOFD test blocks according to claim 1, wherein: the other side of the camera shooting frame (15) is fixedly connected with the other end of a second fixing rod (20), and one end of the second fixing rod (20) is rotatably connected with a second fastening knob (21).
5. The automatic scanning device for TOFD test blocks according to claim 1, wherein: elevating system includes threaded rod (6), fixed block (7) and movable plate (8), the inner wall of movable plate (8) and the bottom sliding connection who removes frame (5), threaded rod (6) set up in the one side that is close to support (2), the bottom of threaded rod (6) is connected with the internal rotation of movable plate (8), the top of threaded rod (6) is connected with the internal rotation of fixed block (7), one side fixed connection of fixed block (7) is in the one side that removes frame (5).
6. The automatic TOFD test block scanning device according to claim 5, wherein: the front surface of the movable plate (8) is fixedly connected to the back surface of the L-shaped plate (10), the back surface of the rack (1) is fixedly connected with a mounting plate (22), and a power supply (9) is fixedly mounted on the back surface of the mounting plate (22).