Pipeline stress detection device
By designing synchronous clamping and transmission components, the problem of data deviation in pipeline stress detection devices under vibration and airflow disturbances was solved, achieving high-precision detection of pipeline stress.
Patent Information
- Application Number
- CN202520789006.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing pipeline stress testing devices cannot effectively limit the movement of the pipeline when it is fixed, which makes the test results susceptible to vibration and airflow disturbance, resulting in data deviation.
It adopts a synchronous clamping assembly and a transmission assembly. The motor drives the rotating rod to drive the bevel gear to mesh, so as to realize the synchronous rotation of the threaded rod and the threaded column. In conjunction with multiple clamping plates, the pipeline is clamped in multiple directions to ensure the stability of the test.
It effectively reduces pipe shaking during the testing process, improving the accuracy and stability of the test data.
Smart Images
Figure CN223940430U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipeline inspection technology, and in particular to a pipeline stress detection device. Background Technology
[0002] Metal pipes are made of alloy or rust-resistant metals and are generally used for underground water or power transmission. The influence mechanism of normal pressure and friction on the axial and circumferential residual stress of metal pipes during cold drawing process has a significant impact on the dimensional accuracy of the pipes, so they need to be tested.
[0003] Currently, common pipeline stress testing devices on the market have many problems when fixing pipelines. Some devices rely on simple support structures and cannot effectively limit the pipeline. When there is slight vibration or airflow disturbance at the testing site, the pipeline is prone to shaking, making it difficult for the testing probe to collect data stably, resulting in deviations in the test results and failing to accurately reflect the stress condition of the pipeline. Therefore, a pipeline stress testing device is proposed to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a pipeline stress detection device to solve the problems mentioned in the background section.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A pipe stress detection device includes a base plate, a placement plate fixedly mounted on the top side of the base plate, two sliding holes on the top side of the base plate located on both sides of the placement plate, a detection component on one side of the base plate, two fixed plates fixedly mounted on the bottom side of the base plate, a synchronous clamping component between the two fixed plates, a mounting frame fixedly mounted on one side of the base plate, a circular hole on the bottom side of the mounting frame, a threaded post inside the circular hole, the top end of the threaded post being rotatably connected to the inner wall of the top side of the mounting frame, a guide post fixedly mounted inside the mounting frame, a slider threadedly connected to the outer sides of the guide post and the threaded post, a second clamping plate fixedly mounted on one side of the slider, the second clamping plate facing the placement plate, and a transmission component between the synchronous clamping component and the threaded post.
[0007] Preferably, the detection assembly includes a side plate fixedly installed on one side of the base plate, an electric push rod fixedly installed on one side of the side plate, and the output end of the electric push rod passing through the side plate and fixedly connected to a detection head.
[0008] Preferably, the synchronous clamping assembly includes a motor fixedly installed on one side of the left fixed plate, the output end of the motor rotatably passes through the two fixed plates and is fixedly installed with a rotating rod, and an active bevel gear is fixedly sleeved on the outer side of the rotating rod.
[0009] Preferably, two fixing brackets are fixedly installed on the bottom side of the base plate. The opposite surfaces of the two fixing brackets are provided with circular holes. Threaded rods are provided in the two circular holes. The two threaded rods have opposite screw directions. The ends of the two threaded rods that are far apart from each other are rotatably connected to the inner walls of one side of the two fixing brackets. The ends of the two threaded rods that are close to each other are fixedly connected to a first bevel gear and a second bevel gear, respectively. The first bevel gear and the second bevel gear both mesh with the driving bevel gear.
[0010] Preferably, guide rods are fixedly installed in both fixed frames, and a sliding plate is threaded onto the outer side of each of the two guide rods and the two threaded rods. The two sliding plates are symmetrically arranged, and each sliding plate slides in one of the two sliding holes opened on the top side of the base plate. A first clamping plate is fixedly connected to the opposite surface of each of the two sliding plates, and the two first clamping plates are symmetrically arranged.
[0011] Preferably, the transmission assembly includes a driven bevel gear and a third bevel gear fixedly connected to the other end of the rotating rod and the bottom end of the threaded column, respectively, with the driven bevel gear meshing with the third bevel gear.
[0012] Preferably, the opposing surfaces of the placement plate, the second clamping plate, and the two first clamping plates are all provided with arc-shaped grooves, and protective pads are fixedly installed in each of the multiple arc-shaped grooves.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This pipeline stress detection device uses a motor to drive a rotating rod to rotate. The active bevel gear meshes with the first and second bevel gears, causing the two threaded rods with opposite directions to rotate. This drives the sliding plate and the first clamping plate to clamp the two sides of the pipeline. Meanwhile, the driven bevel gear meshes with the third bevel gear, causing the threaded column to rotate. This causes the slider to drive the second clamping plate to clamp the top of the pipeline. Furthermore, the arc-shaped grooves and protective pads of the placement plate, the first clamping plate, and the second clamping plate can fit tightly against the pipeline. Compared with a simple support structure, this effectively prevents pipeline shaking, ensures stable data acquisition by the detection probe, and improves detection accuracy. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the structure of this utility model.
[0018] In the diagram: 1. Base plate; 2. Fixing plate; 3. Motor; 4. Rotating rod; 5. Driving bevel gear; 6. Fixing frame; 7. Threaded rod; 8. First bevel gear; 9. Second bevel gear; 10. Guide rod; 11. Slide plate; 12. First clamping plate; 13. Driven bevel gear; 14. Mounting frame; 15. Threaded column; 16. Third bevel gear; 17. Guide column; 18. Slider; 19. Second clamping plate; 20. Placement plate; 21. Side plate; 22. Electric push rod; 23. Probe head. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Reference Figure 1-4 A pipe stress detection device includes a base plate 1, a placement plate 20 fixedly mounted on the top side of the base plate 1, two sliding holes on the top side of the base plate 1 located on both sides of the placement plate 20, a detection component on one side of the base plate 1, two fixing plates 2 fixedly mounted on the bottom side of the base plate 1, a synchronous clamping component between the two fixing plates 2, a mounting frame 14 fixedly mounted on one side of the base plate 1, a circular hole on the bottom side of the mounting frame 14, a threaded post 15 disposed in the circular hole, the top end of the threaded post 15 being rotatably connected to the inner wall of the top side of the mounting frame 14, a guide post 17 fixedly mounted inside the mounting frame 14, a slider 18 threadedly sleeved on the outer side of the guide post 17 and the threaded post 15, a second clamping plate 19 fixedly mounted on one side of the slider 18 facing the placement plate 20, and a transmission component between the synchronous clamping component and the threaded post 15. The transmission assembly includes a driven bevel gear 13 and a third bevel gear 16 fixedly connected to the other end of the rotating rod 4 and the bottom end of the threaded column 15, respectively. The driven bevel gear 13 meshes with the third bevel gear 16. The driven bevel gear 13 is fixedly connected to the other end of the rotating rod 4, and the driven bevel gear 13 meshes with the third bevel gear 16. Therefore, under the transmission of the driven bevel gear 13, the third bevel gear 16 will synchronously drive the threaded column 15 connected to it to rotate, thereby causing the slider 18 threaded on the outside of the threaded column 15 to drive the second clamping plate 19 to move down. Then the second clamping plate 19 can clamp the top of the pipe. With the help of the two first clamping plates 12 and the placement plate 20, the pipe can be clamped in multiple directions. By clamping in multiple directions, the error caused by the shaking of the pipe during the test is greatly reduced, thereby ensuring the accuracy of the test data.
[0021] Specifically, the detection assembly includes a side plate 21 fixedly installed on one side of the base plate 1, an electric push rod 22 fixedly installed on one side of the side plate 21, and the output end of the electric push rod 22 passing through the side plate 21 and fixedly connected to a probe head 23. With the probe head 23 installed, after the pipe is firmly clamped by multiple clamps, the electric push rod 22 can be started to drive the probe head 23 into the pipe, and then the stress detection of the pipe can begin.
[0022] Specifically, the synchronous clamping assembly includes a motor 3 fixedly mounted on one side of the left fixed plate 2. The output end of the motor 3 rotates through both fixed plates 2 and is fixedly mounted with a rotating rod 4. A drive bevel gear 5 is fixedly sleeved on the outer side of the rotating rod 4. Two fixed brackets 6 are fixedly mounted on the bottom side of the base plate 1. Circular holes are opened on the opposite surfaces of the two fixed brackets 6. Threaded rods 7 are installed in both circular holes. The threads of the two threaded rods 7 are opposite in direction. The ends of the two threaded rods 7 that are far apart from each other are rotatably connected to the inner walls of one side of the two fixed brackets 6. A first bevel gear 8 and a second bevel gear 9 are fixedly connected to the ends of the two threaded rods 7 that are close to each other. Both the first bevel gear 8 and the second bevel gear 9 mesh with the drive bevel gear 5. Guide rods 10 are fixedly mounted in both fixed brackets 6. A sliding plate 11 is threadedly sleeved on the outer side of both guide rods 10 and the two threaded rods 7. The two sliding plates 11 are symmetrically arranged and slide on two sliding holes opened on the top side of the base plate 1. Inside, two sliding plates 11 are fixedly connected to opposite faces of a first clamping plate 12. The two first clamping plates 12 are symmetrically arranged. With two first clamping plates 12, when it is necessary to fix the pipe, the starting motor 3 drives the rotating rod 4 to rotate clockwise. Since the outer side of the rotating rod 4 is fixedly sleeved with a driving bevel gear 5, and the driving bevel gear 5 meshes with the first bevel gear 8 and the second bevel gear 9 respectively, under the meshing transmission of the driving bevel gear 5, the first bevel gear 8 and the second bevel gear 9 will drive the two threaded rods 7 connected to them to rotate. Since the two threaded rods 7 have opposite screw directions, when the driving bevel gear 5 rotates clockwise, the sliding plates 11 with threads on the outer sides of the two threaded rods 7 will move closer to each other, thereby driving the two first clamping plates 12 to complete the fastening and clamping of both sides of the pipe. With two guide rods 10, the two guide rods 10 can guide and limit the sliding of the two sliding plates 11, so that they can move smoothly.
[0023] Specifically, arc-shaped grooves are opened on the opposite surfaces of the placement plate 20, the second clamping plate 19, and the two first clamping plates 12. Protective pads are fixedly installed in the multiple arc-shaped grooves. The arc-shaped grooves opened on the placement plate 20 and multiple clamping plates can fit the pipe better. The protective pads installed in the arc-shaped grooves can make the pipe be firmly clamped.
[0024] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer for control.
[0025] In use: When performing pipeline stress testing, first place the pipeline to be tested on the placement plate 20. Then, start the motor 3. The motor 3 drives the rotating rod 4 to rotate clockwise. Since the outer side of the rotating rod 4 is fixedly sleeved with the driving bevel gear 5, and the driving bevel gear 5 meshes with the first bevel gear 8 and the second bevel gear 9 respectively, under the meshing transmission action of the driving bevel gear 5, the first bevel gear 8 and the second bevel gear 9 will drive the two threaded rods 7 connected to them to rotate respectively. Since the two threaded rods 7 have opposite screw directions, when the driving bevel gear 5 rotates clockwise, the sliding plates 11 threaded on the outer side of the two threaded rods 7 will move closer to each other, thereby driving the two first clamping plates 12 to complete the tight clamping of both sides of the pipeline. At the same time, the other end of the rotating rod 4 is fixedly connected with the driven bevel gear 13, which meshes with the third bevel gear 16. Under the transmission of the driven bevel gear 13, the third bevel gear 16 will synchronously drive the connected... When the threaded column 15 rotates, the slider 18, which is threaded on the outside of the threaded column 15, will drive the second clamping plate 19 to move down, thereby allowing the second clamping plate 19 to clamp the top of the pipe simultaneously. Since the opposite surfaces of the placement plate 20, the second clamping plate 19, and the two first clamping plates 12 are all provided with arc-shaped grooves, this arc design can better fit the outside of the pipe. In addition, protective pads are provided in multiple arc-shaped grooves. The protective pads not only play an anti-slip role, but also make the pipe more stable when clamped by multiple clamping plates. After the pipe is clamped, the electric push rod 22 is started. The electric push rod 22 can drive the probe head 23 to extend into the pipe and start to detect the stress of the pipe. After the detection is completed, the motor 3 is started again. At this time, the motor 3 drives the rotating rod 4 to rotate counterclockwise. Under the transmission action of multiple bevel gears, the clamping plates move away from each other. Then the pipe that has been tested can be removed to prepare for the stress test of the next pipe.
[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pipe stress detection device, comprising a base plate (1), characterized in that, A placement plate (20) is fixedly installed on the top side of the base plate (1). Two sliding holes are opened on the top side of the base plate (1). The two sliding holes are located on both sides of the placement plate (20). A detection component is provided on one side of the base plate (1). Two fixing plates (2) are fixedly installed on the bottom side of the base plate (1). A synchronous clamping component is provided between the two fixing plates (2). A mounting frame (14) is fixedly installed on one side of the base plate (1). A round hole is opened on the bottom side of the mounting frame (14). A threaded column (15) is provided in the round hole. The top of the threaded column (15) is rotatably connected to the inner wall of the top side of the mounting frame (14). A guide column (17) is fixedly installed in the mounting frame (14). The same slider (18) is threadedly sleeved on the outer side of the guide column (17) and the threaded column (15). A second clamping plate (19) is fixedly installed on one side of the slider (18). The second clamping plate (19) faces the placement plate (20). A transmission component is provided between the synchronous clamping component and the threaded column (15).
2. The pipeline stress detection device according to claim 1, characterized in that, The detection assembly includes a side plate (21) fixedly installed on one side of the base plate (1), an electric push rod (22) fixedly installed on one side of the side plate (21), and the output end of the electric push rod (22) passes through the side plate (21) and is fixedly connected to the detection head (23).
3. The pipeline stress detection device according to claim 1, characterized in that, The synchronous clamping assembly includes a motor (3) fixedly installed on one side of the left fixed plate (2). The output end of the motor (3) rotates through the two fixed plates (2) and is fixedly installed with a rotating rod (4). An active bevel gear (5) is fixedly sleeved on the outside of the rotating rod (4).
4. The pipeline stress detection device according to claim 3, characterized in that, Two fixing brackets (6) are fixedly installed on the bottom side of the base plate (1). The opposite surfaces of the two fixing brackets (6) are provided with round holes. Threaded rods (7) are provided in the two round holes. The threads of the two threaded rods (7) are opposite. The ends of the two threaded rods (7) that are far apart from each other are rotatably connected to the inner wall of one side of the two fixing brackets (6). The ends of the two threaded rods (7) that are close to each other are fixedly connected to a first bevel gear (8) and a second bevel gear (9). The first bevel gear (8) and the second bevel gear (9) are both meshed with the driving bevel gear (5).
5. A pipeline stress detection device according to claim 4, characterized in that, Guide rods (10) are fixedly installed in both fixed frames (6). A sliding plate (11) is threaded onto the outer side of both guide rods (10) and two threaded rods (7). The two sliding plates (11) are symmetrically arranged. The two sliding plates (11) slide in two sliding holes opened on the top side of the base plate (1). The opposite surfaces of the two sliding plates (11) are fixedly connected to the first clamping plate (12). The two first clamping plates (12) are symmetrically arranged.
6. A pipeline stress detection device according to claim 1, characterized in that, The transmission assembly includes a driven bevel gear (13) and a third bevel gear (16) fixedly connected to the other end of the rotating rod (4) and the bottom end of the threaded column (15), respectively, with the driven bevel gear (13) meshing with the third bevel gear (16).
7. A pipeline stress detection device according to claim 1, characterized in that, The opposing surfaces of the placement plate (20), the second clamping plate (19) and the two first clamping plates (12) are all provided with arc-shaped grooves, and protective pads are fixedly installed in the multiple arc-shaped grooves.