Pipeline detection device with positioning function

Abstract

The utility model relates to the technical field of pipeline detection, in particular to a pipeline detection device with a positioning function. The device comprises a hoisting mechanism, a detection mechanism and two clamping mechanisms, the hoisting mechanism comprises a hoisting bracket, a lifting plate and a hydraulic cylinder; the two clamping mechanisms are both mounted on the lifting plate, and each clamping mechanism comprises two clamping assemblies which are symmetrically arranged and a first power assembly used for driving the two clamping assemblies to be close to or away from each other; the detection mechanism comprises a movable circular ring, a second power assembly used for driving the movable circular ring to move in the length direction of the hoisting support, a rotating ring rotationally installed on the inner side of the movable circular ring, a pipeline detector installed on the rotating ring and a third power assembly used for driving the rotating ring to rotate. According to the technical scheme, all-directional dead-corner-free detection work can be carried out on a pipeline with a specific diameter, the pipeline does not need to be manually carried to a high position in the detection process, and the detection efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of pipeline inspection technology, and in particular to a pipeline inspection device with positioning function. Background Technology

[0002] In engineering inspection, manual ultrasonic metal detectors are usually used to inspect metal pipes. Manual ultrasonic metal detectors are generally used to detect the thickness, cracks, slag inclusions, and porosity of metal pipes. When inspecting the outer circumference of the pipe, the operator needs to hold the detector, point the probe toward the metal pipe, and then rotate it around the axis of the metal pipe to perform the inspection.

[0003] Patent CN216646349U discloses an ultrasonic testing device for the outer wall of a metal pipe, which includes a base, a first support plate fixedly connected to the base, a second support plate provided on the base, and bearings provided on both the first and second support plates, with rotating shafts movably passing through both bearings.

[0004] The aforementioned patents still have the following technical defects: the pipes need to be lifted to a high place and clamped, which is time-consuming, labor-intensive, and greatly reduces the detection efficiency. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a pipeline inspection device with positioning function.

[0006] The technical solution of this utility model is a pipeline inspection device with positioning function, comprising:

[0007] The hoisting mechanism includes a hoisting bracket, a lifting plate, and a hydraulic cylinder. The lifting plate is located inside the hoisting bracket, and the hydraulic cylinder is installed at the top of the hoisting bracket with its output shaft connected to the lifting plate.

[0008] Two clamping mechanisms are mounted on a lifting plate. Each clamping mechanism includes two symmetrically arranged sets of clamping components and a first power component for driving the two sets of clamping components to move closer or further apart. Each clamping component includes a connecting frame and multiple clamping parts. The clamping parts have an arc-shaped structure and are connected to sliders. The sliders are slidably mounted on the lifting plate, and the multiple sliders are connected to the connecting frame.

[0009] The testing mechanism includes a movable ring, a second power component for driving the movable ring to move along the length of the hoisting support, a rotating ring rotatably mounted inside the movable ring, a pipe testing instrument mounted on the rotating ring, and a third power component for driving the rotating ring to rotate.

[0010] Preferably, a vacuum cleaner is mounted on the rotating ring, and the vacuum cleaner is powered by an independent rechargeable battery.

[0011] Preferably, the first power assembly includes a second servo motor, a first gear, and two racks. The first gear is rotatably mounted on the bottom end of the lifting plate. The second servo motor is mounted on the lifting plate and its output shaft is connected to the shaft of the first gear. Both racks mesh with the first gear and are respectively connected to the connecting frames on both sides.

[0012] Preferably, the second power assembly includes a first servo motor and a threaded rod. A slide rail is connected to one end of the bottom of the hoisting bracket, and a sliding seat is connected to the moving ring. The sliding seat is slidably mounted on the slide rail. The threaded rod is rotatably mounted at the bottom of the hoisting bracket. The sliding seat and the threaded rod are threadedly connected. The first servo motor is mounted on the hoisting bracket, and its output shaft is connected to the end of the threaded rod.

[0013] Preferably, multiple second rollers are installed at the bottom end of the movable ring.

[0014] Preferably, the third power component includes a third servo motor, a second gear, and a gear ring. The gear ring is mounted on the outer circumference of the rotating ring. An annular groove for the gear ring to rotate is provided on the movable ring. The third servo motor is mounted on the movable ring. The second gear is connected to the output shaft of the third servo motor. A notch is provided on the outer circumference of the movable ring, and the second gear meshes with the gear ring through the notch.

[0015] Preferably, the pipeline inspection instrument is an ultrasonic flaw detector or a camera.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects: the present invention can perform all-round inspection of pipes of a specific diameter without blind spots, and does not require manual handling of the pipes to a high place during the inspection process, thus improving the inspection efficiency. Attached Figure Description

[0017] Figure 1 and Figure 2 All of these are schematic diagrams of the structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the structure of a clamping mechanism in this utility model after the clamping parts on both sides of the drive are separated.

[0019] Figure 4 This is a schematic diagram of the structure of the bottom end of the lifting plate in this utility model.

[0020] Figure 5 This is a cross-sectional view of the movable ring in this utility model.

[0021] Reference numerals: 1. Lifting bracket; 2. Moving ring; 3. Lifting plate; 4. Clamping component; 41. Slider; 5. Hydraulic cylinder; 61. First servo motor; 62. Threaded rod; 7. Slide rail; 8. Rotary ring; 9. Second servo motor; 10. First gear; 11. Rack; 12. Connecting frame; 13. Third servo motor; 14. Second gear; 15. Gear ring; 16. Pipe detector; 171. First roller; 172. Second roller; 18. Vacuum cleaner; 19. Sliding seat. Detailed Implementation

[0022] Example 1

[0023] like Figures 1-3 As shown in the figure, the pipeline inspection device with positioning function proposed in this embodiment includes a hoisting mechanism, an inspection mechanism, and two clamping mechanisms.

[0024] The hoisting mechanism includes a hoisting bracket 1, a lifting plate 3, and a hydraulic cylinder 5. The lifting plate 3 is located inside the hoisting bracket 1, and the hydraulic cylinder 5 is installed at the top of the hoisting bracket 1 with its output shaft connected to the lifting plate 3.

[0025] Both clamping mechanisms are mounted on the lifting plate 3. Each clamping mechanism includes two symmetrically arranged sets of clamping components and a first power component for driving the two sets of clamping components to move closer or further apart. The first power component includes a second servo motor 9, a first gear 10, and two racks 11. The first gear 10 is rotatably mounted on the bottom end of the lifting plate 3. The second servo motor 9 is mounted on the lifting plate 3 and its output shaft is connected to the rotating shaft of the first gear 10. The two racks 11 are meshed with the first gear 10 and are respectively connected to the connecting frames 12 on both sides. The clamping components include the connecting frame 12 and multiple clamping parts 4. The clamping parts 4 have an arc-shaped structure and are connected to sliders 41. The sliders 41 are slidably mounted on the lifting plate 3, and the multiple sliders 41 are connected to the connecting frame 12.

[0026] The inspection mechanism includes a movable ring 2, a second power component for driving the movable ring 2 to move along the length of the lifting bracket 1, a rotating ring 8 rotatably mounted inside the movable ring 2, a pipe inspection instrument 16 mounted on the rotating ring 8, and a third power component for driving the rotating ring 8 to rotate. The pipe inspection instrument 16 is either an ultrasonic flaw detector or a camera. The second power component includes a first servo motor 61 and a threaded rod 62. A slide rail 7 is connected to one end of the bottom of the lifting bracket 1. A sliding seat 19 is connected to the movable ring 2 and is slidably mounted on the slide rail 7. The threaded rod 62 is rotatably mounted at the bottom of the lifting bracket 1, and the sliding seat 19 is threadedly connected to the threaded rod 62. The first servo motor 61 is mounted on the lifting bracket 1, and its output shaft is connected to the end of the threaded rod 62. The threaded rod 62 is adjusted by the first servo motor 61. The rotation direction can drive the sliding seat 19 to move along the length direction of the slide rail 7; multiple second rollers 172 are installed at the bottom of the moving ring 2, and the second rollers 172 are set to achieve the support effect of the moving ring 2; the third power component includes a third servo motor 13, a second gear 14 and a gear ring 15. The gear ring 15 is installed on the outer circumference of the rotating ring 8. The moving ring 2 has an annular groove for the gear ring 15 to rotate. The third servo motor 13 is installed on the moving ring 2. The second gear 14 is connected to the output shaft of the third servo motor 13. The outer circumference of the moving ring 2 has a notch. The second gear 14 meshes with the gear ring 15 through the notch. The third servo motor 13 works to drive the second gear 14 to rotate. The rotation of the second gear 14 can drive the gear ring 15 to rotate. The rotation of the gear ring 15 in turn drives the rotating ring 8 to rotate.

[0027] In this embodiment, when inspecting the pipeline, the lifting bracket 1 is moved to the pipeline position so that the pipeline to be inspected is located at the inner bottom end of the lifting bracket 1. Furthermore, in order to facilitate the movement of the lifting bracket 1, multiple first rollers 171 are installed at both ends of the bottom of the lifting bracket 1.

[0028] The hydraulic cylinder 5 is activated to drive the lifting plate 3 to move downwards. During this process, it is necessary to ensure that the clamping parts 4 on both sides are in a separated state. When the lifting plate 3 moves downwards to the designated position, the hydraulic cylinder 5 stops working. Then, the two second servo motors 9 are activated. The second servo motors 9 drive the first gear 10 to rotate. The rotation of the first gear 10 drives the two racks 11 to move, thereby driving the two sets of clamping components to move closer together until the inner sides of the multiple clamping parts 4 are in contact with the outer wall of the pipe, thus realizing the limiting work of the pipe. Then, the hydraulic cylinder 5 drives the lifting plate 3 to move upwards until the moving ring 2 is coaxial with the pipe.

[0029] When the quality inspection of the pipeline begins, the moving ring 2 is driven to move slowly along the length of the pipeline by the second power component. The moving ring 2 is always located on the outside of the pipeline during the movement. At the same time, the rotating ring 8 is driven to rotate by the third power component. The rotation of the rotating ring 8 drives the pipeline inspection instrument 16 to rotate. The pipeline inspection instrument 16 can achieve all-round inspection of the pipeline without blind spots during the rotation and movement.

[0030] When the moving ring 2 approaches the clamping member 4 on the clamping mechanism, the corresponding first power component drives the clamping members 4 on both sides of the clamping mechanism to separate, so that the moving ring 2 can move through. The smooth translation of the moving ring 2 is achieved by clamping and releasing. It is worth noting that during the movement of the moving ring 2, at least one clamping mechanism must be ensured to clamp the pipe, otherwise the pipe will fall off.

[0031] Furthermore, in order to achieve positioning of the moving ring 2, a ranging sensor is installed on the end of the hoisting bracket 1 away from the moving ring 2. The ranging sensor can be a laser ranging sensor.

[0032] It should be added that the technical solution also includes a PLC controller. The PLC controller is electrically connected to the pipeline detector 16, hydraulic cylinder 5, first servo motor 61, second servo motor 9, distance sensor and third servo motor 13. The function of the PLC controller is to realize equipment control and data analysis and processing.

[0033] Example 2

[0034] like Figure 5 As shown, this embodiment proposes a pipe inspection device with positioning function. Compared with the first embodiment, in this embodiment, a vacuum cleaner 18 is installed on the rotating ring 8. The vacuum cleaner 18 is powered by an independent storage battery. The vacuum cleaner 18 is also equipped with an independent power switch. The vacuum cleaner 18 can be started before starting the inspection work. The vacuum cleaner 18 is close to the outer wall of the pipe. The vacuum cleaner 18 can adsorb dust and impurities on the surface of the pipe, thereby improving the accuracy of pipe inspection.

[0035] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A pipeline inspection device with positioning function, characterized in that, include: The hoisting mechanism includes a hoisting bracket (1), a lifting plate (3) and a hydraulic cylinder (5). The lifting plate (3) is located inside the hoisting bracket (1), and the hydraulic cylinder (5) is installed at the top of the hoisting bracket (1) and its output shaft is connected to the lifting plate (3). Two clamping mechanisms are installed on the lifting plate (3). Each clamping mechanism includes two sets of clamping components arranged symmetrically and a first power component for driving the two sets of clamping components to move closer or further apart. The clamping components include a connecting frame (12) and multiple clamping parts (4). The clamping parts (4) have an arc-shaped structure and a slider (41) is connected to the clamping parts (4). The slider (41) is slidably installed on the lifting plate (3), and multiple sliders (41) are connected to the connecting frame (12). The testing mechanism includes a movable ring (2), a second power component for driving the movable ring (2) to move along the length of the hoisting bracket (1), a rotating ring (8) rotatably mounted inside the movable ring (2), a pipe testing instrument (16) mounted on the rotating ring (8), and a third power component for driving the rotating ring (8) to rotate.

2. The pipeline inspection device with positioning function according to claim 1, characterized in that, A vacuum cleaner (18) is mounted on the rotating ring (8), and the vacuum cleaner (18) is powered by an independent storage battery.

3. A pipeline inspection device with positioning function according to claim 1, characterized in that, The first power assembly includes a second servo motor (9), a first gear (10), and two racks (11). The first gear (10) is rotatably mounted on the bottom of the lifting plate (3). The second servo motor (9) is mounted on the lifting plate (3) and its output shaft is connected to the shaft of the first gear (10). Both racks (11) mesh with the first gear (10) and are respectively connected to the connecting frames (12) on both sides.

4. A pipeline inspection device with positioning function according to claim 1, characterized in that, The second power assembly includes a first servo motor (61) and a threaded rod (62). A slide rail (7) is connected to one end of the bottom of the hoisting bracket (1). A sliding seat (19) is connected to the moving ring (2). The sliding seat (19) is slidably mounted on the slide rail (7). The threaded rod (62) is rotatably mounted on the bottom end of the hoisting bracket (1). The sliding seat (19) is threadedly connected to the threaded rod (62). The first servo motor (61) is mounted on the hoisting bracket (1) and its output shaft is connected to the end of the threaded rod (62).

5. A pipeline inspection device with positioning function according to claim 4, characterized in that, Multiple second rollers (172) are installed at the bottom of the movable ring (2).

6. A pipeline inspection device with positioning function according to claim 1, characterized in that, The third power assembly includes a third servo motor (13), a second gear (14), and a gear ring (15). The gear ring (15) is mounted on the outer circumference of the rotating ring (8). An annular groove for the gear ring (15) to rotate is provided on the movable ring (2). The third servo motor (13) is mounted on the movable ring (2). The second gear (14) is connected to the output shaft of the third servo motor (13). A notch is provided on the outer circumference of the movable ring (2). The second gear (14) meshes with the gear ring (15) through the notch.

7. A pipeline inspection device with positioning function according to claim 1, characterized in that, The pipeline inspection instrument (16) can be an ultrasonic flaw detector or a camera.

Images