CN206656987U - Channel ultrasonic detects scanning frame - Google Patents

Abstract

The utility model provides a multi-channel ultrasonic detection scanning frame. The multi-channel ultrasonic detection scanning frame includes: a main body, the main body includes a first frame body and a second frame body, the first frame body and the second frame body Rotatably connected, the main body is mounted on the device to be tested; the detection part is installed on the main body, and is used to detect the welding seam on the device to be detected. The multi-channel ultrasonic detection and scanning frame of the utility model can adjust the angle between the first frame body and the second frame body to adapt to different curved surfaces, so that the detection part can be close to the curved surface, so that the detection part can detect more accurately.

Description

Multi-channel ultrasonic testing scan frame

technical field

The utility model relates to the technical field of welding seam detection equipment, in particular to a multi-channel ultrasonic detection scanning frame.

Background technique

The multi-channel ultrasonic testing scanner is a device used for testing flat plate or pipe welds with special ultrasonic testing instruments. The conventional TOFD inspection scanner scans along the circumferential direction of the pipeline during the surface inspection of the pipeline, and generally has a set of oblique scanning probes at an angle of 45 degrees to the weld. The welding seam is not vertical, and the scanning probe cannot form a good fit with the detection surface, so that the probe cannot be coupled with the detection surface. The current scanning frame scans along the circumference of the pipeline during pipeline scanning. When using oblique scanning, the general oblique scanning structure cannot keep the probe clamping arm perpendicular to the workpiece detection surface after deflecting 45 degrees. , so that the probe and the detection surface cannot be completely adhered to, which affects the coupling effect and makes the detection result inaccurate.

Utility model content

The main purpose of the utility model is to provide a multi-channel ultrasonic detection scanning frame to solve the problem that the multi-channel ultrasonic detection scanning frame in the prior art cannot accurately detect the weld seam on the curved surface.

In order to achieve the above object, the utility model provides a multi-channel ultrasonic detection scanning frame, the multi-channel ultrasonic detection scanning frame includes: a main body, the main body includes a first frame body and a second frame body, the first frame body It is rotatably connected with the second frame body, and the main body is erected on the device to be detected; the detection part is installed on the main body, and is used for detecting the weld on the device to be detected.

Further, the first end of the first frame is hinged to the first end of the second frame.

Further, the second end of the first frame body and the second end of the second frame body are both provided with a moving part, and the moving part abuts against the device to be detected.

Further, the moving part includes rotating wheels.

Further, the detection part includes: a guide assembly, which is mounted on the main body; a detection assembly, which is movably mounted on the guide assembly.

Further, the first frame body includes a first longitudinal beam, a second longitudinal beam and a first cross beam connected between the second end of the first longitudinal beam and the second end of the second longitudinal beam; the second frame body includes the first The third longitudinal beam, the fourth longitudinal beam and the second cross beam connected between the second end of the third longitudinal beam and the second end between the fourth longitudinal beam; the first end of the first longitudinal beam and the third longitudinal beam The first end of the second longitudinal beam is hinged, and the first end of the second longitudinal beam is hinged with the first end of the fourth longitudinal beam.

Further, the guide assembly includes: a first detection guide rail, the first end of the first detection guide rail is connected to the first beam, the second end of the first detection guide rail is connected to the second end of the second longitudinal beam; the second detection guide rail, The first end of the second detection guide rail is connected to the second beam, and the second end of the second detection guide rail is connected to the second end of the third longitudinal beam; the detection assembly is movably installed on the first detection guide rail and the second detection guide rail .

Further, the detection assembly includes: a first detection rod, the first end of the first detection rod is movably installed on the first detection guide rail; a second detection rod, the first end of the second detection rod is movably mounted on the first detection rail; On the second detection guide rail; the second end of the first detection rod is connected with the second end of the second detection rod through a universal joint.

Further, the detection assembly further includes a first detection probe and a second detection probe, the first detection probe is installed on the first end of the first detection rod, and the second detection probe is installed on the first end of the second detection rod.

Further, the multi-channel ultrasonic detection scanning frame further includes a third detection probe and a fourth detection probe, and both the third detection probe and the fourth detection probe are arranged on the first beam.

Further, the multi-channel ultrasonic detection scanning frame further includes a fifth detection probe and a sixth detection probe, and both the fifth detection probe and the sixth detection probe are arranged on the second beam.

Applying the technical scheme of the utility model, since the main body of the multi-channel ultrasonic detection scanning frame in the utility model includes a first frame body and a second frame body, and the first frame body and the second frame body are rotatably connected , when working, the multi-channel ultrasonic detection scanning frame of the present invention can adjust the angle between the first frame body and the second frame body to adapt to different curved surfaces, so that the detection part can be close to the curved surface, so that the detection part can be more accurate ground detection.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 schematically shows a top view of an embodiment of a multi-channel ultrasonic detection scanning frame of the present invention;

Fig. 2 schematically shows a three-dimensional structure diagram of an embodiment of the multi-channel ultrasonic detection scanning frame of the present invention;

Fig. 3 schematically shows a side view of an embodiment of the multi-channel ultrasonic detection scanning frame of the present invention;

Fig. 4 schematically shows the structural diagram of an embodiment of the detection assembly of the multi-channel ultrasonic detection scanning frame of the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Main body; 11. First frame body; 111. First longitudinal beam; 112. Second longitudinal beam; 113. First beam; 12. Second frame body; 121. Third longitudinal beam; 122. Fourth Longitudinal beam; 123, the second beam; 20, the detection part; 21, the first detection guide rail; 22, the second detection guide rail; 23, the first detection rod; 24, the second detection rod; 25, the universal joint; 26, The first detection probe; 27, the second detection probe; 30, the moving part; 41, the third detection probe; 42, the fourth detection probe; 43, the fifth detection probe; 44, the sixth detection probe; 50, the first clip Holding arm; 51, the second clamping arm; 52, clamping arm fixed frame; 53, toothed sleeve.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or described herein.

Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

As mentioned in the background technology, after the general oblique scanning structure is deflected by 45 degrees, the probe clamping arm cannot be kept perpendicular to the workpiece detection surface, so that the probe cannot be completely attached to the detection surface, which affects the coupling effect and makes the detection result Inaccurate.

Referring to Fig. 1 to Fig. 3, the utility model provides a multi-channel ultrasonic detection scanning stand, which includes a main body 10 and a detection part 20, wherein the main body 10 includes a first frame body 11 and the second frame body 12, the first frame body 11 and the second frame body 12 are rotatably connected, the main body part 10 is erected on the device to be detected; the detection part 20 is installed on the main body part 10 for detecting the device to be detected Welds on the device. When working, the staff can adjust the angle between the first frame body and the second frame body to adapt to different curved surfaces according to the curvature of the surface where the weld seam of the device to be detected is located, so that the detection part can be close to the curved surface, and then the detection part can be detected more accurately.

Referring to FIG. 2 , the first end of the first frame body 11 and the first end of the second frame body 12 in the present invention are hinged. When working, the staff places the multi-channel ultrasonic detection scanning frame of the present invention on the device to be detected, and adjusts the angle between the first frame body and the second frame body hinged together, so that the multi-channel ultrasonic detection scanning frame of the present utility model The channel ultrasonic detection scanning frame can be erected on the curved surface structure. When the multi-channel ultrasonic detection scanning frame of the present invention needs to detect curved surfaces with other radians, the staff will adjust the first frame and the second frame of the utility model accordingly. The angle between them makes the main body part 10 of the present utility model bend, and can satisfy different curved surfaces.

In order to facilitate the staff to move the multi-channel ultrasonic detection scanning frame of the present invention on the curved surface, preferably, the second end of the first frame body 11 and the second end of the second frame body 12 in the utility model are all provided with The moving part 30 is in contact with the device to be detected. Preferably, the moving part 30 in the present invention includes rotating wheels. Certainly, other moving devices that can satisfy the moving function of the moving part 30 in the present invention are all available.

In order to facilitate the detection of the weld seam on the curved surface of the utility model, preferably, the detection part 20 in the utility model includes a guide assembly and a detection assembly, the guide assembly is installed on the main body part 10; the detection assembly is movably installed on the guide assembly superior. When working, the staff adjusts the position of the detection component and the angle relative to the weld through the guide component, thereby realizing multi-angle detection of the weld on the curved surface, making the detection more accurate.

Referring to Fig. 1 and Fig. 2, specifically, the first frame body 11 in the present utility model includes a first longitudinal beam 111, a second longitudinal beam 112 and a The first beam 113 between the second ends; the second frame body 12 includes a third longitudinal beam 121, a fourth longitudinal beam 122 and a second end connected between the second end of the third longitudinal beam 121 and the fourth longitudinal beam 122. The second beam 123 between the two ends; the first end of the first longitudinal beam 111 is hinged with the first end of the third longitudinal beam 121, and the first end of the second longitudinal beam 112 is connected with the first end of the fourth longitudinal beam 122 hinged. When working, the staff places the multi-channel ultrasonic detection scanning frame of the present invention on the device to be detected, and adjusts the angle between the first frame body and the second frame body hinged together, specifically adjusting the first longitudinal The angle between the beam 111 and the third longitudinal beam 121, and the angle between the second longitudinal beam 112 and the fourth longitudinal beam 122 enable the multi-channel ultrasonic detection scanning frame of the present invention to be erected on a curved surface structure. When the multi-channel ultrasonic detection scanning frame of the present invention needs to detect curved surfaces of other radians, the staff adjusts the angle between the first frame body and the second frame body of the present utility model accordingly, so that the main body 10 of the present utility model is bent , which can satisfy different surfaces.

In order to facilitate the detection of different angles of the weld seam of the multi-channel ultrasonic detection scanning frame of the utility model, preferably, the guide assembly in the utility model includes a first detection guide rail 21 and a second detection guide rail 22, the first detection guide rail The first end of 21 is connected with the first beam 113, the second end of the first detection guide rail 21 is connected with the second end of the second longitudinal beam 112; the first end of the second detection guide rail 22 is connected with the second beam 123, the second The second end of the second detection guide rail 22 is connected to the second end of the third longitudinal beam 121 ; the detection assembly is movably installed on the first detection guide rail 21 and the second detection guide rail 22 . When working, the detection assembly in the utility model can move on the first detection guide rail 21 and the second detection guide rail 22. After the staff completes the detection of a certain position of the weld seam, the staff can drive the detection assembly along the first detection guide rail 22. Detect the track movement of the guide rail and the second detection guide rail, and then reach the designated position for the next detection. During the working process, the staff can also drive the detection assembly to start detection from the beginning of the first detection guide rail and the second detection guide rail of the utility model, and move uninterruptedly to the end of the first detection guide rail and the second detection guide rail to complete the detection process for continuous monitoring. Certainly, after the detection assembly reaches the end of the first detection guide rail and the second detection guide rail, the staff can drive the detection assembly to reach the beginning of the first detection guide rail and the second detection guide rail, and repeat this cycle until accurate detection is obtained. data so far. Preferably, the first detection guide rail and the second detection guide rail in the present invention are arc-shaped guide rails, so that the detection assembly can run smoothly, and the running trajectory conforms to the characteristics of the curved surface, and finally reaches the designated area. Of course, the first detection guide rail and the second detection guide rail in the utility model can also be guide rail structures of other tracks, such as zigzag, as long as they can satisfy the guiding function of the guide assembly of the utility model.

In order to make the detection assembly of the present invention capable of making adaptive movements when the main body 10 of the present invention is deformed, that is, when the angle between the first frame and the second frame changes, The degree of flexibility is higher in the detection process. Preferably, the detection assembly in the utility model includes a first detection rod 23 and a second detection rod 24, and the first end of the first detection rod 23 is movably installed on the first detection guide rail 21 On; the first end of the second detection rod 24 is movably mounted on the second detection guide rail 22; the second end of the first detection rod 23 and the second end of the second detection rod 24 are connected by a universal joint 25. When working, the staff places the multi-channel ultrasonic detection scanning frame of the present invention on the device to be detected, and adjusts the angle between the first frame body and the second frame body hinged together, so that the multi-channel ultrasonic detection scanning frame of the present utility model The channel ultrasonic detection scanning frame can be erected on the curved surface structure. During this process, the first detection rod 23 and the second detection rod 24 pass through the universal Corresponding angle transformations are performed on the joints to detect the curved surface adaptively. At the same time, when detecting irregular curved surfaces, the staff can adjust the position of the first detection rod 23 on the first detection guide rail according to the specific conditions of the curved surface. And the position of the second detection rod on the second detection guide rail, and the axial direction of the first detection rod 23 and the second detection rod 24 can also be realized by the universal joint arranged between the first detection rod and the second detection rod. Rotation, and then when the multi-channel ultrasonic detection scanning frame of the present invention needs to detect irregular curved surfaces, it can measure more accurately.

Specifically, in order to realize the accurate detection function of the detection assembly of the utility model, the detection assembly in the utility model also includes a first detection probe 26 and a second detection probe 27, and the first detection probe 26 is installed on the first detection rod 23 The second detection probe 27 is mounted on the first end of the second detection rod 24 . Preferably, the first detection probe 26 and the second detection probe 27 in the present invention are both ultrasonic detection probes, so as to realize accurate detection of weld seams. Of course, the first detection probe and the second detection probe in the present invention can also be other detection devices, as long as they can realize the accurate detection of the object to be detected by the detection assembly of the present invention. Wherein, one of the first detection probe 26 and the second detection probe 27 in the utility model is an ultrasonic sending probe, and the other is an ultrasonic receiving probe, that is, the first detection probe 26 and the second detection probe 27 are a pair of probe groups , during work, by adjusting the distance between the first detection probe 26 and the second detection probe 27 to adapt to the detection of different depth regions of the workpiece.

Referring to Fig. 4, it needs to be further explained that the first detection probe 26 and the second detection probe 27 in the detection assembly of the present invention can rotate 360 degrees around the axial direction of the first detection rod, and can stay at any position. The position remains fixed, so that the pressure of the first detection probe 26 and the second detection probe 27 can be reduced by rotating the first clamping arm 50 and the second clamping arm 51 when scanning the curved surface workpiece. The tightening force is perpendicular to the surface of the workpiece, and it fits more closely with the surface of the workpiece to be tested, improving the detection accuracy. Wherein, the first clamping arm 50 and the second clamping arm 51 respectively clamp the first detecting probe 26 and the second detecting probe 27 , and are fixed by the clamping arm fixing frame 52 , and are rotationally fixed by the toothed sleeve 53 .

In order to enable the multi-channel ultrasonic detection scanning frame of the present invention to detect larger thickness test pieces, preferably, the multi-channel ultrasonic detection scanning frame in the present utility model also includes a third detection probe 41 and a fourth detection probe 42 , the third detection probe 41 and the fourth detection probe 42 are both arranged on the first beam 113 . When working, the staff drives the multi-channel ultrasonic detection scanning frame of the present invention to move on the surface to be detected, and further detects the curved surface through the third detection probe and the fourth detection probe, and the first detection probe and the second detection probe The data obtained by the probe is provided to the staff together. Preferably, the third detection probe 41 and the fourth detection probe 42 in the present invention are both ultrasonic detection probes, so as to realize accurate detection of weld seams. Wherein, one of the third detection probe 41 and the fourth detection probe 42 in the utility model is an ultrasonic sending probe, and the other is an ultrasonic receiving probe, that is, the third detection probe 41 and the fourth detection probe 42 are a pair of probe groups , during work, by adjusting the distance between the third detection probe 41 and the fourth detection probe 42 to adapt to the detection of different depth regions of the workpiece. Of course, the third detection probe and the fourth detection probe in the present invention can also be other detection devices, as long as they can realize the detection of the object to be detected by the detection assembly of the present invention.

In order to enable the multi-channel ultrasonic detection scanning frame of the present utility model to detect larger thickness test pieces, the multi-channel ultrasonic detection scanning frame in the present utility model also includes a fifth detection probe 43 and a sixth detection probe 44, the fifth detection probe 43 and the sixth detection probe 44. Both the detection probe 43 and the sixth detection probe 44 are arranged on the second beam 123 . When working, the staff drives the multi-channel ultrasonic detection scanning frame of the present invention to move on the surface to be detected, and further detects the area at the front end of the curved surface through the third detection probe and the fourth detection probe, and through the fifth detection probe and the fourth detection probe. The sixth detection probe further detects the area at the rear end of the curved surface, and provides the data to the staff together with the data obtained by the first detection probe and the second detection probe. Preferably, the fifth detection probe 43 and the sixth detection probe 44 in the present invention are both ultrasonic detection probes, so as to realize accurate detection of weld seams. Wherein, one of the fifth detection probe 43 and the sixth detection probe 44 in the utility model is an ultrasonic sending probe, and the other is an ultrasonic receiving probe, that is, the fifth detection probe 43 and the sixth detection probe 44 are a pair of probe groups , during work, by adjusting the distance between the fifth detection probe 43 and the sixth detection probe 44 to adapt to the detection of different depth regions of the workpiece. Of course, the fifth detection probe and the sixth detection probe in the present invention can also be other detection devices, as long as they can realize the detection of the object to be detected by the detection assembly of the present invention.

From the above description, it can be seen that the above-mentioned embodiments of the utility model have achieved the following technical effects:

The multi-channel ultrasonic detection and scanning frame of the utility model can adjust the angle between the first frame body and the second frame body to adapt to different curved surfaces, so that the detection part can be close to the curved surface, so that the detection part can detect more accurately.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (11)

1. a kind of channel ultrasonic detects scanning frame, it is characterised in that including：

Main part (10), the main part (10) include the first support body (11) and the second support body (12), first support body (11) It is rotatably coupled with second support body (12), the main part (10) is erected on device to be detected；

Test section (20), the test section (20) is arranged on the main part (10), for detecting the weldering on device to be detected Seam.

2. channel ultrasonic according to claim 1 detects scanning frame, it is characterised in that the of first support body (11) The first end of one end and second support body (12) is hinged.

3. channel ultrasonic according to claim 1 detects scanning frame, it is characterised in that the of first support body (11) Two ends and the second end of second support body (12) are provided with move portion (30), and the move portion (30) is connected to dress to be detected Put.

4. channel ultrasonic according to claim 3 detects scanning frame, it is characterised in that the move portion (30) includes turning Driving wheel.

5. channel ultrasonic according to claim 2 detects scanning frame, it is characterised in that the test section (20) includes：

Guidance set, the guidance set are arranged on the main part (10)；

Detection components, the detection components are movably mounted on the guidance set.

6. channel ultrasonic according to claim 5 detects scanning frame, it is characterised in that first support body (11) includes First longeron (111), the second longeron (112) and it is connected to the second end of first longeron (111) and second longeron (112) first crossbeam (113) between the second end；

Second support body (12) includes the 3rd longeron (121), the 4th longeron (122) and is connected to the 3rd longeron (121) the second cross beam (123) between the second end and the second end of the 4th longeron (122)；

The first end and the first end of the 3rd longeron (121) of first longeron (111) are hinged, second longeron (112) first end and the first end of the 4th longeron (122) are hinged.

7. channel ultrasonic according to claim 6 detects scanning frame, it is characterised in that the guidance set includes：

First detection guide rail (21), the first end of the first detection guide rail (21) is connected with the first crossbeam (113), described Second end of the first detection guide rail (21) is connected with the second end of second longeron (112)；

Second detection guide rail (22), the first end of the second detection guide rail (22) is connected with the second cross beam (123), described Second end of the second detection guide rail (22) is connected with the second end of the 3rd longeron (121)；

The detection components are movably mounted on the first detection guide rail (21) and the second detection guide rail (22).

8. channel ultrasonic according to claim 7 detects scanning frame, it is characterised in that the detection components include：

First detection bar (23), the first end of first detection bar (23) are movably mounted at the first detection guide rail (21) on；

Second detection bar (24), the first end of second detection bar (24) are movably mounted at the second detection guide rail (22) on；

Second end of first detection bar (23) and the second end of second detection bar (24) are connected by universal joint (25).

9. channel ultrasonic according to claim 8 detects scanning frame, it is characterised in that the detection components also include the One detection probe (26) and the second detection probe (27), first detection probe (26) are arranged on first detection bar (23) First end, second detection probe (27) be arranged on second detection bar (24) first end.

10. channel ultrasonic according to claim 6 detects scanning frame, it is characterised in that the channel ultrasonic detection Scanning frame also includes the 3rd detection probe (41) and the 4th detection probe (42), the 3rd detection probe (41) and the described 4th Detection probe (42) is arranged on the first crossbeam (113).

11. channel ultrasonic according to claim 6 detects scanning frame, it is characterised in that the channel ultrasonic detection Scanning frame also includes the 5th detection probe (43) and the 6th detection probe (44), the 5th detection probe (43) and the described 6th Detection probe (44) is arranged on the second cross beam (123).