Crawler for pipeline nondestructive testing
By designing anti-roll components and testing mechanisms in the non-destructive testing crawler for pipelines, the problem of insufficient anti-roll capability in the prior art is solved, the detection stability and efficiency are improved, and the detection needs of different pipeline sizes are adapted.
Patent Information
- Application Number
- CN202421160526.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing non-destructive crawlers for pipeline non-destructive testing have insufficient anti-rolling capabilities during use, which affects the stability of use and detection efficiency.
A non-destructive testing crawler for pipelines including a main mechanism and a testing mechanism is designed. The main mechanism is through a transmission motor, a transmission shaft, an anti-collision stop, a two-way screw, a positioning nut, a support rod, a connecting rod, a support plate and a movable wheel. The anti-rolling component consists of a driving motor, a rotating shaft, an electric push rod, a push rod and a detection probe, which realizes anti-rolling and detection functions.
It improves the anti-rolling capability and detection efficiency of the crawler, ensures the stability and flexibility of detection in the pipeline, and adapts to the detection needs of pipelines of different diameters.
Smart Images

Figure CN222277885U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline detection, in particular to a crawler for non-destructive detection of pipelines. Background Art
[0002] When performing non-destructive testing on the inner wall of a pipeline, a pipeline non-destructive testing crawler is needed to perform non-destructive testing on it.
[0003] The prior art patent document with publication number CN218208424U discloses a crawler for non-destructive testing of pipelines. The utility model includes a crawling frame, two fixed shafts are fixedly connected to both sides of the crawling frame, and rotating wheels are sleeved on the outside of the fixed shafts. A rotating assembly is provided at one end of the crawling frame. The rotating assembly includes a metal block, one end of the metal block is fixedly connected to one end of the crawling frame, one end of the metal block is fixedly connected to a connecting block, an electric motor is fixedly connected to the inside of the connecting block, and one end of the electric motor is rotatably connected to a rotating shaft.
[0004] However, since the prior art patent technology with publication number CN218208424U has poor anti-rollover capability during use, it is not convenient to effectively prevent the crawler body from performing anti-rollover operations during crawling during actual use, which affects the stability of use and the detection stability efficiency. Utility Model Content
[0005] The utility model aims to provide a crawler for non-destructive testing of pipelines, so as to solve the problem in the background art that the prior art is not convenient for preventing the crawler body from performing anti-rollover operation when crawling.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crawler for non-destructive testing of pipelines, comprising a main body mechanism and a detection mechanism, wherein the detection mechanism is located in front of the main body mechanism, the main body mechanism comprises a crawler body, a mounting slide groove and an anti-rollover assembly, wherein the mounting slide groove is fixedly arranged at the upper end of the crawler body, and the anti-rollover assembly is located above the crawler body;
[0007] The anti-rollover component includes a transmission motor and a transmission shaft. The transmission motor is fixedly installed at the left end of the inner end of the installation slide groove, and the transmission shaft is fixedly installed at the transmission end of the right end of the transmission motor. By installing the transmission motor and the transmission shaft, it is easy to drive the bidirectional screw rod to rotate.
[0008] Preferably, the anti-rollover assembly also includes an anti-collision block, a bidirectional screw, a support block, a positioning nut, a support rod, a connecting rod, a support plate and a movable wheel. The anti-collision block is fixedly mounted on the right end of the transmission shaft. By installing the anti-collision block, it is possible to facilitate anti-collision operations on the transmission motor.
[0009] Preferably, the bidirectional screw is fixedly installed on the right end of the anti-collision block, and the support block is fixedly installed on the right end of the inner end of the installation slide groove. The right end of the bidirectional screw is rotatably connected to the support block. Through the installation of the bidirectional screw, it is easy to drive the positioning nut to move its position.
[0010] Preferably, the positioning nut is threadedly connected to the left and right ends of the outer end of the bidirectional screw rod, the support rod is fixedly installed on the upper end of the positioning nut, and the connecting rod is fixedly installed on the left and right ends of the support rod. By installing the positioning nut, it is convenient to drive the connecting rod to move and adjust the use distance of the movable wheel.
[0011] Preferably, the support plate is fixedly mounted on the left and right ends of the connecting rod, and the movable wheel is movably mounted on the middle part of the support plate. By installing the movable wheel, the crawler body can be prevented from rolling over.
[0012] Preferably, the detection mechanism includes a drive motor, a rotating shaft, an electric push rod, a push rod and a detection probe. The drive motor is fixedly installed at the front end of the crawler body, and the rotating shaft is fixedly installed at the transmission end of the front end of the drive motor. By installing the drive motor and the rotating shaft, it is convenient to drive the detection probe to rotate, so as to facilitate the circle detection of the inner wall of the pipeline.
[0013] Preferably, the electric push rod is fixedly mounted on the front end of the rotating shaft, the pushing rod is fixedly mounted on the transmission end of the upper end of the electric push rod, and the detection probe is fixedly mounted on the upper end of the pushing rod. By installing the electric push rod and the pushing rod, it is possible to easily adjust the height of the detection probe and to facilitate the detection of the inner walls of pipes of different diameters.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The anti-rollover capability of the crawler for pipeline non-destructive testing is improved by installing the main body. In actual use, the use distance of the movable wheel can be conveniently adjusted to facilitate fitting it to the inside of the pipeline, which plays an anti-rollover role for the crawler body and improves the use stability of the crawler for pipeline non-destructive testing;
[0016] 2. The crawler for non-destructive testing of pipelines improves the detection capability of the utility model by installing the detection mechanism. In actual use, the use height and use angle of the detection probe can be conveniently adjusted according to the needs of use, which is convenient for detecting the inner wall of the pipeline and improves the use efficiency of the crawler for non-destructive testing of pipelines. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the partial structure of the anti-rollover assembly of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the detection mechanism of the utility model;
[0020] Figure 4 It is a schematic diagram of the enlarged structure of the local details of the anti-rollover component of the utility model.
[0021] In the figure: 1. main mechanism; 101. crawler body; 102. mounting slide; 103. anti-rollover assembly; 1031. transmission motor; 1032. transmission shaft; 1033. anti-collision block; 1034. bidirectional screw; 1035. support block; 1036. positioning nut; 1037. support rod; 1038. connecting rod; 1039. support plate; 10310. movable wheel; 2. detection mechanism; 201. drive motor; 202. rotating shaft; 203. electric push rod; 204. push rod; 205. detection probe. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: a crawler for non-destructive testing of pipelines, comprising a main mechanism 1 and a detection mechanism 2, the detection mechanism 2 is located in front of the main mechanism 1, the main mechanism 1 comprises a crawler body 101, a mounting slide 102 and an anti-rollover assembly 103, the mounting slide 102 is fixedly arranged at the upper end of the crawler body 101, and the anti-rollover assembly 103 is located above the crawler body 101;
[0024] The anti-rollover assembly 103 includes a transmission motor 1031 and a transmission shaft 1032 . The transmission motor 1031 is fixedly mounted on the left end of the inner end of the mounting slide slot 102 , and the transmission shaft 1032 is fixedly mounted on the transmission end of the right end of the transmission motor 1031 .
[0025] The rollover prevention assembly 103 further includes an anti-collision block 1033, a bidirectional screw rod 1034, a support block 1035, a positioning nut 1036, a support rod 1037, a connecting rod 1038, a support plate 1039 and a movable wheel 10310. The anti-collision block 1033 is fixedly mounted on the right end of the transmission shaft 1032, the bidirectional screw rod 1034 is fixedly mounted on the right end of the anti-collision block 1033, the support block 1035 is fixedly mounted on the right end of the inner end of the mounting slot 102, the right end of the bidirectional screw rod 1034 is rotatably connected to the support block 1035, and the positioning nut 1036 is threadedly connected to the bidirectional screw rod 1037. 034, the left and right ends of the outer end, the support rod 1037 is fixedly installed on the upper end of the positioning nut 1036, the connecting rod 1038 is fixedly installed on the left and right ends of the support rod 1037, the support plate 1039 is fixedly installed on the left and right ends of the connecting rod 1038, and the movable wheel 10310 is movably installed in the middle of the support plate 1039. Start the transmission motor 1031 to rotate the transmission shaft 1032, so that the transmission shaft 1032 drives the two-way screw rod 1034 to rotate, so that the positioning nut 1036 moves toward each other on the two-way screw rod 1034, and adjusts the use distance position of the movable wheel 10310.
[0026] The detection mechanism 2 includes a driving motor 201, a rotating shaft 202, an electric push rod 203, a pushing rod 204 and a detection probe 205. The driving motor 201 is fixedly installed at the front end of the crawler body 101, the rotating shaft 202 is fixedly installed at the transmission end of the front end of the driving motor 201, the electric push rod 203 is fixedly installed at the front end of the rotating shaft 202, the pushing rod 204 is fixedly installed at the transmission end of the upper end of the electric push rod 203, and the detection probe 205 is fixedly installed at the upper end of the pushing rod 204. The driving motor 201 is started to rotate the rotating shaft 202, so that the rotating shaft 202 drives the detection probe 205 to rotate, and the electric push rod 203 is started to adjust the height of the pushing rod 204, so as to adjust the use height of the detection probe 205.
[0027] Working principle: When it is necessary to perform non-destructive testing on the pipeline, first put the pipeline non-destructive testing crawler into the pipeline, start the transmission motor 1031 to rotate the transmission shaft 1032, so that the transmission shaft 1032 drives the bidirectional screw 1034 to rotate, and the positioning nut 1036 moves towards each other on the bidirectional screw 1034, driving the movable wheel 10310 to stick to both sides of the inner wall of the pipeline, and preventing the crawler body 101 from rolling over when it moves, thereby improving the stability of detection and use, and then start the drive motor 201 to rotate the rotating shaft 202, so that the rotating shaft 202 drives the detection probe 205 to rotate, and the inner wall of the pipeline is detected, and then the electric push rod 203 is started according to the detection needs to adjust the height of the push rod 204, so that it pushes the detection probe 205 to rise, and the inner walls of pipelines with different diameters and heights are detected.
[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A crawler for non-destructive testing of pipelines, comprising a main body (1) and a testing mechanism (2), characterized in that: The detection mechanism (2) is located in front of the main mechanism (1); the main mechanism (1) comprises a crawler body (101), a mounting slide groove (102) and an anti-rollover assembly (103); the mounting slide groove (102) is fixedly arranged at the upper end of the crawler body (101); and the anti-rollover assembly (103) is located above the crawler body (101); The anti-rollover assembly (103) comprises a transmission motor (1031) and a transmission shaft (1032); the transmission motor (1031) is fixedly mounted on the left end of the inner end of the mounting slide groove (102); and the transmission shaft (1032) is fixedly mounted on the transmission end of the right end of the transmission motor (1031).
2. A crawler for pipeline nondestructive testing according to claim 1, characterized in that: The anti-rollover assembly (103) further comprises an anti-collision block (1033), a bidirectional screw rod (1034), a support block (1035), a positioning nut (1036), a support rod (1037), a connecting rod (1038), a support plate (1039) and a movable wheel (10310); the anti-collision block (1033) is fixedly mounted on the right end of the transmission shaft (1032).
3. A crawler for pipeline nondestructive testing according to claim 2, characterized in that: The bidirectional screw rod (1034) is fixedly mounted on the right end of the anti-collision block (1033), the support block (1035) is fixedly mounted on the right end of the inner end of the mounting slide groove (102), and the right end of the bidirectional screw rod (1034) is rotatably connected to the support block (1035).
4. A crawler for pipeline nondestructive testing according to claim 3, characterized in that: The positioning nut (1036) is threadedly connected to the left and right ends of the outer end of the bidirectional screw rod (1034), the support rod (1037) is fixedly mounted on the upper end of the positioning nut (1036), and the connecting rod (1038) is fixedly mounted on the left and right ends of the support rod (1037).
5. A crawler for pipeline nondestructive testing according to claim 4, characterized in that: The support plate (1039) is fixedly mounted on the left and right ends of the connecting rod (1038), and the movable wheel (10310) is movably mounted on the middle part of the support plate (1039).
6. A crawler for pipeline nondestructive testing according to claim 5, characterized in that: The detection mechanism (2) comprises a drive motor (201), a rotating shaft (202), an electric push rod (203), a push rod (204) and a detection probe (205); the drive motor (201) is fixedly mounted on the front end of the crawler body (101); and the rotating shaft (202) is fixedly mounted on the transmission end of the front end of the drive motor (201).
7. A crawler for pipeline nondestructive testing according to claim 6, characterized in that: The electric push rod (203) is fixedly mounted on the front end of the rotating shaft (202), the pushing rod (204) is fixedly mounted on the transmission end at the upper end of the electric push rod (203), and the detection probe (205) is fixedly mounted on the upper end of the pushing rod (204).