Pipeline nondestructive testing device
By designing a non-destructive testing device for pipelines, a cleaning brush and nozzle are used to clean the inner wall of the pipeline. Combined with the movement of the driving wheel and the driven wheel, the problem of dirt on the inner wall of the pipeline affecting the testing is solved, and efficient and accurate non-destructive testing is achieved.
Patent Information
- Application Number
- CN202423233140.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Dirt buildup on the inner walls of pipes reduces the accuracy of ultrasonic testing and makes it difficult to detect internal defects or abnormalities.
A non-destructive testing device for pipelines was designed, comprising a vehicle body, a cleaning brush, a nozzle, and a testing probe. The cleaning brush rotates to clean the inner wall of the pipeline, and the nozzle blows away dirt to ensure the cleanliness of the test. The device performs the test by moving inside the pipeline using a drive wheel and a driven wheel.
It improves the accuracy of ultrasonic testing, ensures the integrity of the test, adapts to pipes of different diameters, and enhances the stability and accuracy of the test.
Smart Images
Figure CN223733451U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pipeline maintenance, in particular to a pipeline nondestructive testing device. BACKGROUND
[0002] At present, the main functions of pipelines include conveying, distributing, mixing, separating, discharging, metering, controlling and stopping fluid flow. In industrial production, pipelines play a crucial role and are known as the "blood vessels" of industrial production, responsible for transporting various substances, significantly improving production efficiency and ensuring the stable operation of the production process. Therefore, it is necessary to conduct nondestructive testing on the interior of the pipeline. However, due to the existence of scale and other conditions on the inner wall of the pipeline, the ultrasonic signal will be scattered and attenuated when reflected on the inner wall of the pipeline. The existence of dirt will hinder the smooth propagation of the ultrasonic signal, resulting in a decrease in signal strength and affecting the accuracy and reliability of ultrasonic testing. In addition, the dirt inside the pipeline may cover or block the defects or abnormalities inside the pipeline, making it difficult for ultrasonic testing to find these problems. CONTENT OF THE UTILITY MODEL
[0003] The purpose of the present application is to provide a pipeline nondestructive testing device, which solves the technical problem of low detection accuracy caused by dirt on the inner wall of the pipeline during nondestructive testing of the interior of the pipeline in the prior art to some extent.
[0004] The present application provides a pipeline nondestructive testing device, comprising: a vehicle body, a first driving device, a cleaning brush, a support member, a nozzle, a gas conveying pipe, a driving wheel and a detection probe; wherein the vehicle body is formed with a mounting cavity, and the first driving device is arranged in the mounting cavity; the cleaning brush is arranged outside the vehicle body, and the driving end of the first driving device is connected with the cleaning brush through the vehicle body, and the first driving device is used to drive the cleaning brush to rotate to clean the inner wall of the pipeline.
[0005] The support member and the gas conveying pipe are both arranged on the vehicle body, the nozzle is arranged on the support member, and the nozzle can be connected in communication with an external gas source through the gas conveying pipe and a pipeline; the bottom of the vehicle body is provided with the driving wheel, and the driving wheel can move along the pipeline; the detection probe is arranged on the vehicle body, and the detection end of the detection probe is exposed outside the vehicle body for conducting flaw detection on the inner wall of the pipeline.
[0006] In the above technical solution, further, the pipeline nondestructive testing device further comprises a first electric push rod, and the first electric push rod is arranged between and connected with the driving end of the first driving device and the cleaning brush, and is used to drive the cleaning brush to move to adjust the distance between the cleaning brush and the inner wall of the pipeline.
[0007] In any of the above technical solutions, further, the outer wall of the vehicle body is formed with a pulling groove.
[0008] In any of the above technical solutions, further, the end of the vehicle body away from the cleaning brush is provided with a telescopic pull rod.
[0009] In any of the above technical solutions, further, the pipeline non-destructive testing device further comprises a storage battery, which is arranged in the vehicle body and electrically connected with the first driving device.
[0010] In any of the above technical solutions, further, the cleaning brush, the nozzle, the supporting member, the detection end of the detection probe and the vehicle body are sequentially arranged along the moving direction of the vehicle body in the pipeline.
[0011] In any of the above technical solutions, further, the supporting member is a disc-shaped structure and is arranged along a direction perpendicular to the moving direction of the vehicle body in the pipeline; the number of nozzles is multiple and they are sequentially and spacedly arranged along the circumferential direction of the supporting member.
[0012] In any of the above technical solutions, further, the pipeline non-destructive testing device further comprises a second electric push rod, and the vehicle body and the driving wheel are provided with the second electric push rod and are respectively connected with the second electric push rod, which is used to drive the driving wheel to move so as to adjust the distance between the driving wheel and the inner wall of the pipeline.
[0013] In any of the above technical solutions, further, the top of the vehicle body is provided with a driven wheel, and the second electric push rod is also arranged between the driven wheel and the vehicle body.
[0014] In any of the above technical solutions, further, the driving wheel is provided with an electrically driven walking mechanism.
[0015] In any of the above technical solutions, further, the gas conveying pipe is arranged inside the vehicle body and extends along the moving direction of the vehicle body in the pipeline, and both ends of the gas conveying pipe are exposed outside the vehicle body.
[0016] In any of the above technical solutions, further, the cleaning brush rotates in a plane perpendicular to the long direction of the vehicle body.
[0017] In any of the above technical solutions, further, the detection end is arranged along the height direction of the vehicle body or a direction forming an angle with the height direction of the vehicle body.
[0018] In any of the above technical solutions, further, the blowing direction of the nozzle is the moving direction of the vehicle body in the pipeline.
[0019] In any of the above technical solutions, further, the pipeline nondestructive testing device further comprises a second driving device, and the second driving device is arranged on the vehicle body, and a driving end of the second driving device is connected with the detection probe, for driving the detection probe to rotate around the circumference of the pipeline perpendicular to the length direction of the pipeline.
[0020] Compared with the prior art, the application has the following beneficial effects:
[0021] The device is placed in the pipeline. By extending the first electric push rod, the cleaning brush can be brought into contact with the inner wall of the pipeline. Then the first driving device drives the cleaning brush to rotate, so that the cleaning brush can clean the inner wall of the pipeline. The battery can supply power to the first driving device and the first electric push rod. The nozzle can blow and push the dirt removed by the cleaning brush, thereby achieving cleaning of the inner wall of the pipeline, ensuring the cleanliness of the ultrasonic probe during ultrasonic detection of the pipeline, and improving the accuracy of the ultrasonic probe during nondestructive detection of the pipeline. In addition, the problem of missing points can be avoided.
[0022] After the vehicle body is placed in the pipeline, the four sets of driving wheels installed at the bottom of the vehicle body and the four sets of driven wheels installed at the top can move along the inner wall of the pipeline, thereby completing nondestructive detection of different positions of the pipeline. The electric push rod at the bottom and the electric push rod at the top can extend the driving wheels and the driven wheels, thereby supporting the movement of the device in pipelines of different diameters, allowing the device to perform nondestructive detection on pipelines of different sizes, and ensuring the stability of the device during detection in pipelines of different sizes, thereby reducing the single detection of the device. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the specific embodiments of the application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the description of the specific embodiments or the prior art. Obviously, the drawings described below are some embodiments of the application, and those skilled in the art can obtain other drawings based on these drawings without creative labor.
[0024] Figure 1 The structure diagram of the pipeline nondestructive testing device provided by the embodiment of the application;
[0025] Figure 2 Another structure diagram of the pipeline nondestructive testing device provided by the embodiment of the application;
[0026] Figure 3 Another structure diagram of the pipeline nondestructive testing device provided by the embodiment of the application;
[0027] Figure 4 A partial structure schematic diagram of a pipeline nondestructive testing device provided by the embodiment of the present application.
[0028] Reference signs:
[0029] 1 - vehicle body, 101 - pull groove, 2 - first driving device, 3 - cleaning brush, 4 - support member, 5 - nozzle, 6 - gas conveying pipe, 7 - driving wheel, 8 - detection probe, 9 - first electric push rod, 10 - pull rod, 11 - second electric push rod, 12 - driven wheel, 13 - mounting seat, 14 - controller. DETAILED DESCRIPTION
[0030] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0031] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.
[0032] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.
[0033] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0034] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0035] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Figures 1 to 4The pipeline nondestructive testing device according to some embodiments of the present application is described.
[0036] Referring to Figures 1 to 4 As shown in the drawings, the embodiments of the present application provide a pipeline nondestructive testing device, comprising a vehicle body 1, a first driving device 2, a cleaning brush 3, a supporting member 4, a nozzle 5, a gas conveying pipe 6, a driving wheel 7 and a detection probe 8; wherein the vehicle body 1 is formed with a mounting cavity, and the first driving device 2 is arranged in the mounting cavity; the cleaning brush 3 is arranged outside the vehicle body 1, and a driving end of the first driving device 2 is connected with the cleaning brush 3 through the vehicle body 1, and the first driving device 2 is used to drive the cleaning brush 3 to rotate, so as to clean the inner wall of the pipeline.
[0037] The supporting member 4 and the gas conveying pipe 6 are both arranged on the vehicle body 1, and the nozzle 5 is arranged on the supporting member 4, and the nozzle 5 can be connected with an external gas source in communication through the gas conveying pipe 6 and a pipeline; the bottom of the vehicle body 1 is provided with the driving wheel 7, and the driving wheel 7 can move along the pipeline; the detection probe 8 is arranged on the vehicle body 1, and a detection end of the detection probe 8 is exposed outside the vehicle body 1, and is used to detect the inner wall of the pipeline.
[0038] In this embodiment, the working process of the pipeline nondestructive testing device provided by the embodiments is as follows: the device is placed in the pipeline, the first driving device 2 drives the cleaning brush 3 to rotate in the inside of the pipeline, so as to clean the inner wall of the pipeline, and the removed dirt can be blown and pushed away through the nozzle 5, so as to realize the cleaning of the inside of the pipeline, and ensure the cleanliness when the ultrasonic probe detects the ultrasonic wave in the pipeline, that is, by cleaning the inner wall of the pipeline, the accuracy of the ultrasonic probe in the nondestructive testing of the pipeline is improved, and the problem points can also be avoided.
[0039] In one embodiment of the present application, preferably, as shown in Figure 2 and Figure 3 The pipeline nondestructive testing device further comprises a first electric push rod 9, and the first electric push rod 9 is arranged between and connected with the driving end of the first driving device 2 and the cleaning brush 3, and the first electric push rod 9 is used to drive the cleaning brush 3 to move, so as to adjust the distance between the cleaning brush 3 and the inner wall of the pipeline.
[0040] In this embodiment, by the extension of the first electric push rod 9, the cleaning brush 3 can be in contact with the inner wall of the pipeline, so as to improve the cleaning effect of the inner wall of the pipeline, and the distance between the cleaning brush 3 and the inner wall of the pipeline can also be adjusted according to actual needs, on the basis of which, the device can adapt to pipelines with different diameters, and the application range is wider.
[0041] In one embodiment of the present application, preferably, as shown in Figures 1 to 3 The outer wall of the vehicle body 1 is formed with a pulling groove 101.
[0042] In this embodiment, a pulling groove 101 is arranged on the vehicle body 1, so as to facilitate the user to hold and move the device, thereby improving the convenience of operation.
[0043] In one embodiment of the present application, preferably, as shown in the figure, one end of the vehicle body 1 away from the cleaning brush 3 is provided with a telescopic pull rod 10. Figure 3
[0044] In this embodiment, the pull rod 10 facilitates the pulling of the device, thereby improving the convenience of operation, and preferably, the pull rod 10 can use the structure of the existing pull rod 10 on the luggage.
[0045] In one embodiment of the present application, preferably, the pipeline nondestructive testing device further comprises a battery (not shown in the figure), which is arranged in the vehicle body 1 and electrically connected with the first driving device 2, the first electric push rod 9, and the second electric push rod 11 and the second driving device described below.
[0046] In this embodiment, the battery can supply power to the first driving device 2, of course, the first driving device 2 can also be directly connected with the external power supply through the wire, which is selected according to the actual needs.
[0047] In one embodiment of the present application, preferably, as shown in the figure, the cleaning brush 3, the nozzle 5, the supporting member 4, the detection end of the detection probe 8, and the vehicle body 1 are sequentially arranged along the moving direction of the vehicle body 1 in the pipeline, for example, the length direction of the vehicle body 1 and from front to back. Figures 1 to 3
[0048] In this embodiment, the cleaning brush 3 is arranged at the most front end, so that the inner wall of the pipeline can be cleaned first, and when the cleaning is completed, the dirt cleaned can be blown by the nozzle 5 from the rear, so as to expose the clean inner wall of the pipeline, and then the detection end of the detection probe 8 behind the nozzle 5 can move to the cleaned area for detection along with the movement of the vehicle body 1, thereby improving the detection accuracy.
[0049] Further, preferably, the driving end of the first driving device 2 can pass through the vehicle body 1 and the supporting member 4 in sequence and be connected with the cleaning brush 3.
[0050] Further, preferably, the cleaning brush 3 comprises a mounting seat 13 and a brush body, the brush body is fixed on the mounting seat 13, and the mounting seat 13 is connected with the driving end of the first driving device 2.
[0051] Of course, the arrangement order of the above-mentioned components is not limited to this, but can also be selected according to the actual needs.
[0052] In one embodiment of the present application, preferably, as shown in the figure, the second electric push rod 11 is arranged on the vehicle body 1 and connected with the second driving device. Figure 1 As shown, the support member 4 is a disc structure, and is arranged along the direction perpendicular to the moving direction of the vehicle body 1 in the pipeline, for example, the length direction of the vehicle body 1; the number of the nozzles 5 is multiple, and is sequentially and spacedly arranged along the circumferential direction of the support member 4.
[0053] In this embodiment, the support member 4 is designed as a disc, which increases the installation area, and then multiple nozzles 5 can be arranged along the circumferential edge thereof, so that the outer periphery of the pipeline along the direction perpendicular to the length direction thereof can be fully cleaned, and the cleaning effect is improved.
[0054] In an embodiment of the present application, preferably, as shown in Figure 2 and Figure 3 As shown, the pipeline nondestructive testing device further comprises a second electric push rod 11, and the second electric push rod 11 is arranged between the vehicle body 1 and the driving wheel 7, and the two are connected with the second electric push rod 11 respectively, and the second electric push rod 11 is used to drive the driving wheel 7 to move, so as to adjust the distance between the driving wheel 7 and the inner wall of the pipeline.
[0055] In this embodiment, the second electric push rod 11 can adjust the distance between the driving wheel 7 and the vehicle body 1, so as to meet different walking requirements, of course, the second electric push rod 11 can also not be arranged between the driving wheel 7 and the vehicle body 1, and the specific selection is based on the actual needs.
[0056] In an embodiment of the present application, preferably, as shown in Figure 2 and Figure 3 As shown, the top of the vehicle body 1 is provided with a driven wheel 12, and the second electric push rod 11 is also arranged between the driven wheel 12 and the vehicle body 1.
[0057] In this embodiment, the driven wheel 12 can assist the driving wheel 7 to walk, so that the vehicle body 1 is more stable during movement, of course, the driven wheel 12 can also not be arranged, that is, the vehicle body 1 is only driven to walk by the driving wheel 7.
[0058] In an embodiment of the present application, preferably, the driving wheel 7 is provided with an electrically driven walking mechanism (not shown in the figure), which is a common mechanism in the prior art, that is, the vehicle body 1 with walking function is common, and here, it will not be described in detail.
[0059] Of course, the vehicle body 1 in this embodiment can also not have the above-mentioned electrically driven walking mechanism, that is, it can only rely on external force to walk, and then when in use, the push rod can also be used to push the vehicle body 1 to move, that is, a person is outside the pipeline, and the vehicle body 1 is pushed to move by pushing the push rod.
[0060] In an embodiment of the present application, preferably, as shown in Figure 4As shown, the gas conveying pipe 6 is arranged inside the vehicle body 1 and extends along the moving direction of the vehicle body 1 in the pipeline, for example, the length direction of the vehicle body 1, and both ends of the gas conveying pipe 6 are exposed outside the vehicle body 1.
[0061] In this embodiment, the gas conveying pipe 6 is arranged inside the vehicle body 1 to play the role of the gas conveying pipe 6, and of course, is not limited to this, but can also be fixed outside the vehicle body 1, etc.
[0062] In one embodiment of the present application, preferably, the first driving device 2 is an electric motor, and of course, is not limited to this.
[0063] In one embodiment of the present application, preferably, as shown, Figure 4 the device further comprises a controller 14, which can be built into the vehicle body 1 and is in communication connection with the detection probe 8, etc.
[0064] In one embodiment of the present application, preferably, as shown, Figure 1 the cleaning brush 3 rotates in a plane perpendicular to the moving direction of the vehicle body 1 in the pipeline, for example, the length direction of the vehicle body 1, and can contact the inner wall of the pipeline, meeting the cleaning requirements.
[0065] In one embodiment of the present application, preferably, as shown, Figure 4 the detection end is arranged along the height direction of the vehicle body 1 or at an angle to the height direction of the vehicle body 1, meeting the detection requirements.
[0066] In one embodiment of the present application, preferably, the pipeline nondestructive testing device further comprises a second driving device (not shown in the figure), which is arranged on the vehicle body 1, and the driving end of the second driving device is connected with the detection probe 8, for driving the detection probe 8 to rotate around the pipeline in a direction perpendicular to the length direction of the pipeline, increasing the detection range and improving the accuracy of detection.
[0067] In one embodiment of the present application, preferably, as shown, Figure 1 the blowing direction of the nozzle 5 is the moving direction of the vehicle body 1 in the pipeline, for example, the length direction of the vehicle body 1, and can blow the dirt cleaned in front.
[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A pipeline non-destructive testing apparatus, characterized by, The pipeline nondestructive testing device comprises a vehicle body, a first driving device, a cleaning brush, a supporting member, a nozzle, a gas conveying pipe, a driving wheel and a detection probe. The vehicle body is provided with a mounting cavity, and the first driving device is arranged in the mounting cavity. The cleaning brush is arranged outside the vehicle body, and a driving end of the first driving device is connected with the cleaning brush through the vehicle body.
2. The apparatus of claim 1, wherein, The supporting member and the gas conveying pipe are arranged on the vehicle body.
3. The apparatus of claim 1, wherein, The nozzle is arranged on the supporting member and can be connected with an external gas source through the gas conveying pipe and a pipeline.
4. The apparatus of claim 1, wherein, The bottom of the vehicle body is provided with the driving wheel, and the driving wheel can move along the pipeline.
5. The apparatus of claim 1, wherein, The detection probe is arranged on the vehicle body, and a detection end of the detection probe is exposed outside the vehicle body and used for detecting defects on the inner wall of the pipeline.
6. The apparatus of claim 1, wherein, The pipeline nondestructive testing device further comprises a first electric push rod arranged between and connected with the driving end of the first driving device and the cleaning brush.
7. The apparatus of claim 1, wherein, The outer wall of the vehicle body is formed with a pulling groove.
8. The apparatus of claim 1, wherein, The end of the vehicle body away from the cleaning brush is provided with a telescopic pull rod.
9. The apparatus of claim 8, wherein, The pipeline nondestructive testing device further comprises a storage battery arranged in the vehicle body and electrically connected with the first driving device. The cleaning brush, the nozzle, the detection end of the detection probe and the vehicle body are sequentially arranged along the moving direction of the vehicle body in the pipeline.
10. The apparatus for non-destructive testing of a pipe according to any one of claims 1 to 9, characterized in that, The supporting member is in a disc structure and arranged along a direction perpendicular to the moving direction of the vehicle body in the pipeline. The nozzle is provided in a plurality of numbers and sequentially and spacedly arranged along the circumferential direction of the supporting member. The pipeline nondestructive testing device further comprises a second electric push rod arranged between and connected with the vehicle body and the driving wheel. The top of the vehicle body is provided with a driven wheel, and the second electric push rod is arranged between the driven wheel and the vehicle body. The driving wheel is provided with an electrically driven walking mechanism. The gas conveying pipe is arranged inside the vehicle body, extends along the moving direction of the vehicle body in the pipeline, and both ends of the gas conveying pipe are exposed outside the vehicle body. The cleaning brush rotates in a plane perpendicular to the long direction of the vehicle body. The detection end is arranged along the height direction of the vehicle body or a direction forming an angle with the height direction of the vehicle body. The blowing direction of the nozzle is the moving direction of the vehicle body in the pipeline. The pipeline nondestructive testing device further comprises a first electric push rod, and the first electric push rod is arranged between and connected with the driving end of the first driving device and the cleaning brush. The outer wall of the vehicle body is formed with a pulling groove. The end of the vehicle body away from the cleaning brush is provided with a telescopic pull rod. The pipeline nondestructive testing device further comprises a storage battery arranged in the vehicle body and electrically connected with the first driving device. The cleaning brush, the nozzle, the detection end of the detection probe and the vehicle body are sequentially arranged along the moving direction of the vehicle body in the pipeline. The supporting member is in a disc structure and arranged along a direction perpendicular to the moving direction of the vehicle body in the pipeline. The nozzle is provided in a plurality of numbers and sequentially and spacedly arranged along the circumferential direction of the supporting member. The pipeline nondestructive testing device further comprises a second electric push rod arranged between and connected with the vehicle body and the driving wheel. The top of the vehicle body is provided with a driven wheel, and the second electric push rod is arranged between the driven wheel and the vehicle body. The driving wheel is provided with an electrically driven walking mechanism. The gas conveying pipe is arranged inside the vehicle body, extends along the moving direction of the vehicle body in the pipeline, and both ends of the gas conveying pipe are exposed outside the vehicle body. The cleaning brush rotates in a plane perpendicular to the long direction of the vehicle body. The detection end is arranged along the height direction of the vehicle body or a direction forming an angle with the height direction of the vehicle body. The blowing direction of the nozzle is the moving direction of the vehicle body in the pipeline. The pipeline nondestructive detection device further comprises a second driving device, the second driving device is arranged on the vehicle body, and a driving end of the second driving device is connected with the detection probe, and the second driving device is used for driving the detection probe to rotate around the circumferential direction perpendicular to the length direction of the pipeline.