Galvanized pipe surface quality automatic detection equipment

Abstract

The utility model relates to the technical field of pipeline detection, in particular to galvanized pipe surface quality automatic detection equipment. Comprising a camera, an LED lamp, a traction rope assembly, a rotating frame mechanism, two moving frame mechanisms, two adjusting assemblies and two transmission assemblies. The moving frame mechanism comprises a hollow pipe fitting, a plurality of first movable rods and a plurality of rolling wheels; the hollow pipe fitting comprises a plurality of first sleeves which are arranged along an annular array; the two adjusting assemblies are installed on the moving frame mechanisms on the two sides correspondingly and used for driving the multiple first movable rods on the corresponding sides to move synchronously. Mounting shafts are connected to the two ends of the rotating frame mechanism; the camera and the LED lamp are both mounted on the rotating frame mechanism; the two transmission assemblies are installed on the moving frame mechanisms on the two sides correspondingly. The traction rope assembly is connected with the moving frame mechanism on one side. According to the utility model, the installation number of cameras can be reduced, and the detection cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of pipeline inspection technology, and in particular to an automatic inspection device for the surface quality of galvanized pipes. Background Technology

[0002] Galvanized pipe, also known as galvanized steel pipe, is a type of pipe product with a zinc coating on the surface of steel. Therefore, the internal material of a galvanized pipe is actually steel. Because the surface of galvanized pipe undergoes a galvanizing process, corrosion and rust are effectively prevented, extending the service life of the steel. The surface quality of galvanized pipe directly affects its service life and performance. Below are the main requirements and common issues regarding the surface quality of galvanized pipe.

[0003] Defects on the outer wall of galvanized pipes can be easily identified with the naked eye, but it is obvious that the naked eye cannot accurately observe the inner wall of the pipe. The common inspection method is to use robotic equipment. In order to reduce blind spots, multiple cameras need to be installed on the robotic equipment, but this undoubtedly increases the inspection cost. Utility Model Content

[0004] The purpose of this invention is to address the problems existing in the background technology by proposing an automatic surface quality testing device for galvanized pipes.

[0005] The technical solution of this utility model is an automatic surface quality inspection device for galvanized pipes, comprising:

[0006] Two movable frame mechanisms, each movable frame mechanism includes a hollow tube, multiple first movable rods and multiple rollers. The hollow tube includes multiple first sleeves arranged in a circular array. The ends of the multiple first movable rods are slidably mounted on the inner side of the multiple first sleeves, and the multiple rollers are rotatably mounted on the outer end of the multiple first movable rods.

[0007] Two sets of adjustment components are installed on the movable frame mechanism on both sides and are used to drive multiple first movable rods on the corresponding sides to move synchronously.

[0008] The rotating frame mechanism has mounting shafts connected to both ends, and the two mounting shafts are rotatably mounted in the middle of the hollow tubes on both sides.

[0009] The camera and LED lights are both mounted on a rotating frame mechanism.

[0010] Two sets of transmission components are installed on the movable frame mechanism on both sides respectively. The transmission components are used to convert the rotation of the rollers into the rotational motion of the mounting shaft.

[0011] The traction rope assembly is connected to the moving frame mechanism on one side.

[0012] Preferably, the rotating frame mechanism includes a mounting rod and two sets of telescopic rod assemblies, the two sets of telescopic rod assemblies being connected to mounting shafts on both sides respectively, and the two ends of the mounting rod being connected to the telescopic rod assemblies on both sides respectively; the mounting rod and the two sets of telescopic rod assemblies form a "U" shaped structure.

[0013] Preferably, the telescopic rod assembly includes a second sleeve, a second movable rod, and a bolt, wherein the second sleeve is connected to the mounting shaft, the end of the second movable rod is slidably mounted on the inner side of the second sleeve, the second movable rod is connected to the mounting rod, and the bolt is threadedly connected to the second sleeve.

[0014] Preferably, a fixed rod is connected between the two first movable rods that are arranged opposite to each other.

[0015] Preferably, the adjusting assembly includes a threaded rod, an internal threaded ring, a knob, and multiple rotating rods. The threaded rod is rotatably mounted on the hollow tube, the knob is located at the outer end of the threaded rod, the internal threaded ring is threadedly connected to the threaded rod, and the multiple rotating rods are rotatably mounted on the internal threaded ring. The other ends of the multiple rotating rods are rotatably mounted on multiple first movable rods on corresponding sides. A notch is provided on the first sleeve.

[0016] Preferably, the transmission assembly includes a splined sleeve, a splined shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear, a sixth bevel gear, and a synchronous shaft. The splined sleeve is rotatably mounted on the hollow tube. The splined shaft is slidably connected to the splined sleeve along its length. The second bevel gear is connected to the shaft of the roller. The first bevel gear is mounted on the end of the splined shaft and meshes with the second bevel gear. A protective cover is provided on the hollow tube. The first and second bevel gears are both located inside the protective cover, and the splined shaft is rotatably mounted on the protective cover. The synchronous shaft is rotatably mounted inside the hollow tube. The fourth and fifth bevel gears are both mounted on the synchronous shaft, and the fourth bevel gear meshes with the third bevel gear. The end of the mounting shaft is connected to the sixth bevel gear, which meshes with the fifth bevel gear.

[0017] Preferably, the traction rope assembly includes a main pull rope and a plurality of auxiliary pull ropes connected to its ends, the plurality of auxiliary pull ropes being respectively connected to a plurality of first movable rods on corresponding sides.

[0018] Preferably, a servo motor is installed on the hollow tube, and the servo motor is used to drive the roller on the corresponding side to rotate.

[0019] Compared with the prior art, this utility model has the following beneficial technical effects: the main pull rope pulls the device to move, and the roller can drive the installation shaft to rotate under the cooperation of the transmission component during the rolling process inside the pipe. The rotation of the installation shaft drives the rotating frame mechanism, camera and LED light to rotate, so that the device can drive the camera to rotate synchronously during the movement. Without the need for other drive mechanisms, it can realize all-round detection of the inner wall of the pipe. Through the above structure, the number of cameras can be reduced and the detection cost can be reduced. Attached Figure Description

[0020] Figure 1 and Figure 2 All of these are schematic diagrams of the structure of this utility model.

[0021] Figure 3 This is a cross-sectional view of the hollow tube fitting in this utility model.

[0022] Reference numerals: 1. First sleeve; 101. Notch; 2. First movable rod; 3. Roller; 4. Threaded rod; 5. Internal threaded ring; 6. Knob; 7. Rotating rod; 8. Fixing rod; 9. Mounting rod; 10. Camera; 11. LED light; 121. Second sleeve; 122. Second movable rod; 13. Mounting shaft; 14. Bolt; 151. Main pull rope; 152. Secondary pull rope; 16. Protective cover; 171. Splined sleeve; 172. Splined shaft; 181. First bevel gear; 182. Second bevel gear; 183. Third bevel gear; 184. Fourth bevel gear; 185. Fifth bevel gear; 186. Sixth bevel gear; 19. Synchronous shaft. Detailed Implementation

[0023] Example 1

[0024] like Figures 1-3 As shown in the figure, the automatic surface quality inspection device for galvanized pipes proposed in this embodiment includes a camera 10, an LED light 11, a traction rope assembly, a rotating frame mechanism, two moving frame mechanisms, two sets of adjustment components, and two sets of transmission components.

[0025] The movable frame mechanism includes a hollow tube, multiple first movable rods 2, and multiple rollers 3. The hollow tube includes multiple first sleeves 1 arranged in a circular array. The ends of the multiple first movable rods 2 are slidably installed on the inner side of the multiple first sleeves 1, and the multiple rollers 3 are rotatably installed on the outer end of the multiple first movable rods 2. The multiple first sleeves 1, multiple first movable rods 2, and multiple rollers 3 on the same side are all arranged in a one-to-one correspondence, and at least three rollers 3 are provided on the movable frame mechanism. A fixed rod 8 is connected between two oppositely arranged first movable rods 2. The fixed rod 8 is used to connect the movable frame mechanisms on both sides and improve the overall structural strength of the equipment.

[0026] Two sets of adjustment components are respectively installed on the movable frame mechanism on both sides and are used to drive the multiple first movable rods 2 on the corresponding side to move synchronously. The adjustment components include a threaded rod 4, an internal threaded ring 5, a knob 6 and multiple rotating rods 7. The threaded rod 4 is rotatably installed on the hollow tube, the knob 6 is located at the outer end of the threaded rod 4, the internal threaded ring 5 is threadedly connected to the threaded rod 4, and the multiple rotating rods 7 are rotatably installed on the internal threaded ring 5. The other ends of the multiple rotating rods 7 are rotatably installed on the multiple first movable rods 2 on the corresponding side. A notch 101 is opened on the first sleeve 1. By adjusting the rotation direction of the threaded rod 4, the internal threaded ring 5 can be driven to move along the length direction of the threaded rod 4. When the internal threaded ring 5 moves closer to the hollow tube, the multiple first movable rods 2 move outward synchronously with the cooperation of the multiple rotating rods 7. Conversely, the multiple first movable rods 2 move inward synchronously.

[0027] Both ends of the rotating frame mechanism are connected to mounting shafts 13, and the two mounting shafts 13 are rotatably installed in the middle of the hollow tubes on both sides; the camera 10 and the LED light 11 are both installed on the rotating frame mechanism.

[0028] Two sets of transmission components are respectively mounted on the movable frame mechanism on both sides. The transmission components are used to convert the rotation of the roller 3 into the rotational motion of the mounting shaft 13. The transmission components include a spline sleeve 171, a spline shaft 172, a first bevel gear 181, a second bevel gear 182, a third bevel gear 183, a fourth bevel gear 184, a fifth bevel gear 185, a sixth bevel gear 186, and a synchronous shaft 19. The spline sleeve 171 is rotatably mounted on the hollow tube. The spline shaft 172 is slidably connected to the spline sleeve 171 along the length of the spline sleeve 171. The second bevel gear 182 is connected to the rotating shaft of the roller 3. The first bevel gear 181 is mounted on the end of the spline shaft 172. The first bevel gear 181 and the second bevel gear 186... The gear 182 is meshed and connected. A protective cover 16 is provided on the hollow tube. The first bevel gear 181 and the second bevel gear 182 are both located inside the protective cover 16. The spline shaft 172 is rotatably mounted on the protective cover 16. The synchronous shaft 19 is rotatably mounted inside the hollow tube. The fourth bevel gear 184 and the fifth bevel gear 185 are both mounted on the synchronous shaft 19. The fourth bevel gear 184 meshes with the third bevel gear 183. The end of the mounting shaft 13 is connected to the sixth bevel gear 186. The sixth bevel gear 186 meshes with the fifth bevel gear 185. It should be noted that the third bevel gear 183, the fourth bevel gear 184, the fifth bevel gear 185 and the sixth bevel gear 186 are all located inside the hollow tube.

[0029] The traction rope assembly is connected to the movable frame mechanism on one side. The traction rope assembly includes a main pull rope 151 and a plurality of auxiliary pull ropes 152 connected to its ends. The plurality of auxiliary pull ropes 152 are respectively connected to a plurality of first movable rods 2 on the corresponding side.

[0030] Specifically, before inspecting the inner surface of the galvanized pipe, the movable frame mechanism on both sides needs to be adjusted according to the inner diameter of the pipe. The adjustment component can drive multiple first movable rods 2 to move synchronously until multiple rollers 3 are pressed against the inner wall of the pipe. Then, the movable frame mechanism on the other side is adjusted according to the above method. The above structure can be used for the inspection of pipes with different diameters and has a wide range of applications.

[0031] It should be added that an inner magnet is connected to the end of the main pull rope 151, and an outer magnet that is magnetically attracted to the inner magnet is set on the outside of the pipe. By moving the outer magnet, the inner magnet can be moved, so that the main pull rope 151 can be passed from one end of the pipe to the other end.

[0032] During the inspection, the equipment is moved by pulling the main pull rope 151. At this time, multiple rollers 3 roll inside the pipe, and with the cooperation of the transmission components, they can drive the installation shaft 13 to rotate. The rotation of the installation shaft 13 drives the rotating frame mechanism, camera 10 and LED light 11 to rotate, so that the camera 10 can be rotated synchronously during the movement of the equipment, thereby completing the all-round inspection of the inner wall of the pipe. Through the above structure, the number of cameras installed by using rotating cameras 10 can be reduced, thus reducing the inspection cost. It should be noted that the rotating frame mechanism, camera 10 and LED light 11 can be set in one or more sets. Under the condition of meeting the inspection requirements, the fewer the number, the better.

[0033] Example 2

[0034] like Figure 1 As shown, this embodiment proposes an automatic surface quality inspection device for galvanized pipes. Compared with Embodiment 1, in this embodiment, the rotating frame mechanism includes a mounting rod 9 and two sets of telescopic rod assemblies. The two sets of telescopic rod assemblies are respectively connected to the mounting shafts 13 on both sides. The two ends of the mounting rod 9 are respectively connected to the telescopic rod assemblies on both sides. The telescopic rod assembly includes a second sleeve 121, a second movable rod 122, and a bolt 14. The second sleeve 121 is connected to the mounting shaft 13. The end of the second movable rod 122 is slidably installed on the inner side of the second sleeve 121 and connected to the mounting rod 9. The bolt 14 is threadedly connected to the second sleeve 121. The mounting rod 9 and the two sets of telescopic rod assemblies form a "U" shaped structure. In the technical solution, the camera 10 and the LED light 11 are both installed on the mounting rod 9, and the image acquisition end of the camera 10 faces the center position of the moving frame mechanism.

[0035] In this embodiment, the rotating frame mechanism is set as a U-shaped structure, which avoids the camera 10 being centered in the center of the pipe, and makes the camera 10 closer to the inner wall of the pipe, thereby increasing the shooting range of the camera 10; in the technical solution, the length of the telescopic rod assembly can be adaptively adjusted according to the inner diameter of the pipe, so that the camera 10 is closer to the inner wall of the pipe.

[0036] Example 3

[0037] like Figure 1 As shown, the automatic surface quality inspection device for galvanized pipes proposed in this embodiment has another driving method compared to Embodiment 1. A servo motor is installed on the hollow pipe fitting. The servo motor is used to drive the roller 3 on the corresponding side to rotate. By driving the roller 3 to rotate, the entire device can be driven to move on the inner wall of the pipe, replacing manual traction work and achieving a higher degree of automation.

[0038] 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. An automatic surface quality inspection device for galvanized pipes, characterized in that, include: Two movable frame mechanisms, each movable frame mechanism includes a hollow tube, multiple first movable rods (2) and multiple rollers (3). The hollow tube includes multiple first sleeves (1) arranged in a circular array. The ends of the multiple first movable rods (2) are slidably installed on the inner side of the multiple first sleeves (1) respectively, and the multiple rollers (3) are rotatably installed on the outer ends of the multiple first movable rods (2) respectively. Two sets of adjustment components are installed on the movable frame mechanism on both sides and are used to drive multiple first movable rods (2) on the corresponding sides to move synchronously. The rotating frame mechanism has mounting shafts (13) connected to both ends of the rotating frame mechanism. The two mounting shafts (13) are rotatably installed in the middle of the hollow tubes on both sides. The camera (10) and LED light (11) are both mounted on the rotating frame mechanism; Two sets of transmission components are installed on the movable frame mechanism on both sides respectively. The transmission components are used to convert the rotation of the roller (3) into the rotational motion of the mounting shaft (13). The traction rope assembly is connected to the moving frame mechanism on one side.

2. The automatic surface quality inspection equipment for galvanized pipes according to claim 1, characterized in that, The rotating frame mechanism includes a mounting rod (9) and two sets of telescopic rod assemblies. The two sets of telescopic rod assemblies are respectively connected to the mounting shafts (13) on both sides. The two ends of the mounting rod (9) are respectively connected to the telescopic rod assemblies on both sides. The mounting rod (9) and the two sets of telescopic rod assemblies form a "U" shaped structure.

3. The automatic surface quality inspection equipment for galvanized pipes according to claim 2, characterized in that, The telescopic rod assembly includes a second sleeve (121), a second movable rod (122), and a bolt (14). The second sleeve (121) is connected to the mounting shaft (13), the end of the second movable rod (122) is slidably mounted on the inner side of the second sleeve (121), the second movable rod (122) is connected to the mounting rod (9), and the bolt (14) is threadedly connected to the second sleeve (121).

4. The automatic surface quality inspection equipment for galvanized pipes according to claim 1, characterized in that, A fixed rod (8) is connected between the two first movable rods (2) that are set opposite to each other.

5. The automatic surface quality inspection equipment for galvanized pipes according to claim 1, characterized in that, The adjustment assembly includes a threaded rod (4), an internal threaded ring (5), a knob (6), and multiple rotating rods (7). The threaded rod (4) is rotatably mounted on the hollow tube, the knob (6) is located at the outer end of the threaded rod (4), the internal threaded ring (5) is threadedly connected to the threaded rod (4), and multiple rotating rods (7) are rotatably mounted on the internal threaded ring (5). The other ends of the multiple rotating rods (7) are rotatably mounted on multiple first movable rods (2) on the corresponding sides. A notch (101) is provided on the first sleeve (1).

6. The automatic surface quality inspection equipment for galvanized pipes according to claim 1, characterized in that, The transmission assembly includes a splined sleeve (171), a splined shaft (172), a first bevel gear (181), a second bevel gear (182), a third bevel gear (183), a fourth bevel gear (184), a fifth bevel gear (185), a sixth bevel gear (186), and a synchronous shaft (19). The splined sleeve (171) is rotatably mounted on a hollow tube. The splined shaft (172) is slidably connected to the splined sleeve (171) along its length. The second bevel gear (182) is connected to the shaft of the roller (3). The first bevel gear (181) is mounted on the end of the splined shaft (172). The hollow tube is connected to the second bevel gear (182) and is equipped with a protective cover (16). The first bevel gear (181) and the second bevel gear (182) are both located inside the protective cover (16), and the spline shaft (172) is rotatably mounted on the protective cover (16). The synchronous shaft (19) is rotatably mounted inside the hollow tube. The fourth bevel gear (184) and the fifth bevel gear (185) are both mounted on the synchronous shaft (19). The fourth bevel gear (184) meshes with the third bevel gear (183). The end of the mounting shaft (13) is connected to the sixth bevel gear (186), and the sixth bevel gear (186) meshes with the fifth bevel gear (185).

7. The automatic surface quality inspection equipment for galvanized pipes according to claim 1, characterized in that, The traction rope assembly includes a main pull rope (151) and a plurality of auxiliary pull ropes (152) connected to its ends, the plurality of auxiliary pull ropes (152) being connected to a plurality of first movable rods (2) on the corresponding side respectively.

8. The automatic surface quality inspection equipment for galvanized pipes according to claim 1, characterized in that, A servo motor is installed on the hollow tube, which is used to drive the roller (3) on the corresponding side to rotate.

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