A corrosion testing device for anti-corrosion pipe manufacturing using a hanging plate.

Abstract

This invention discloses a corrosion testing device for anti-corrosion pipe production using a hanging plate, belonging to the technical field of hanging plate corrosion testing devices. The invention includes a base plate, on the upper surface of which a corrosive agent cylinder and a height adjustment assembly are fixedly installed. A stirring device is rotatably connected inside the corrosive agent cylinder. Rotation of a first and second gear ring causes multiple second gears to rotate, which in turn rotates multiple circumferentially distributed stirring rods, ensuring uniform mixing and fluctuation of the corrosive agent components. This allows for full contact between the test tube and the corrosive agent. Furthermore, heating the corrosive agent via a heating tube enables corrosion testing at different temperatures. Any test tube can move up and down within its corresponding sheath, ensuring full contact with the corrosive agent and allowing observation of any corrosion cracking. The installation height of the test tube can be adjusted via a hydraulic cylinder, facilitating corrosion testing of test tubes of different lengths.

Description

Technical Field

[0001] This invention relates to the technical field of corrosion testing devices for coated plates, specifically a corrosion testing device for coated plates used in the production of anti-corrosion pipeline materials. Background Technology

[0002] Corrosion-resistant pipes require corrosion testing during production. The common method is the strip corrosion test. However, existing strip corrosion testing devices typically involve fixing the pipes inside equipment containing the corrosion inhibitor. After some pipes corrode, insufficient contact between the pipe material and the corrosive agent can occur, leading to inaccurate test results. Furthermore, the fixed installation makes it difficult to accurately assess the degree of corrosion; cracks are difficult to observe visually, further complicating the assessment of the pipe's corrosion resistance. To address these issues, the inventor proposes a strip corrosion testing device for the production of corrosion-resistant pipes. Summary of the Invention

[0003] To address the problem that when pipes are fixedly installed inside equipment containing corrosion inhibitors, some pipes may not fully contact the corrosion inhibitor after corrosion, leading to inaccurate test results. Furthermore, fixed installations make it difficult to accurately assess the degree of corrosion, and cracks are not easily observed, further complicating the accuracy of testing the corrosion resistance of pipes. The purpose of this invention is to provide a corrosion testing device for anti-corrosion pipe production using a hanging plate.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a corrosion testing device for anti-corrosion pipe production, comprising a base plate, a corrosive agent cylinder and a height adjustment component fixedly installed on the upper surface of the base plate, a stirring device rotatably connected inside the corrosive agent cylinder, a rotary drive device fixedly connected to the height adjustment component, a guide component slidably connected to the rotary drive device, a fixing component threaded on the guide component, a test tube body clamped and installed inside the fixing component, a rotary component rotatably connected to the inner wall of the corrosive agent cylinder, the test tube body movably disposed within the rotary component, the guide component and the rotary component slidably connected, a heating tube installed inside the corrosive agent cylinder, corrosive agent added to the corrosive agent cylinder, and the corrosive agent being heated by the heating tube to raise the temperature of the corrosive agent, thereby enabling corrosion detection of the test tube body at different temperatures.

[0005] Preferably, the corrosive agent cylinder includes an upper sleeve and a bottom cylinder, with a stirring device rotatably connected between the upper sleeve and the bottom cylinder. An annular frame is fixedly fitted onto the outer surface of the bottom cylinder, and the bottom end of the annular frame is fixedly connected to the upper surface of the base plate. A rotating assembly is rotatably connected to the inner wall of the upper sleeve. The upper sleeve and the bottom cylinder are rotatably connected to the stirring device and are sealed. The height adjustment assembly includes a hydraulic cylinder, which is fixedly mounted on the upper surface of the base plate. A base is fixedly connected to the piston rod of the hydraulic cylinder, and a rectangular block is fixedly mounted on the upper surface of the base. The rectangular block is fixedly connected to a rotating drive device, and the piston rod of the hydraulic cylinder drives the rotating drive device to adjust its installation height. The stirring device includes a first motor, which is fixedly mounted on the annular frame. A first gear is fixedly connected to the output end of the first motor, and the first gear meshes with a first gear ring. A second gear ring is fixedly mounted on the upper surface of the first gear ring. The second gear ring is meshed with multiple second gears. A first rotating shaft is fixedly installed inside the second gear. The first rotating shaft is rotatably connected to an mounting sleeve, which is fixedly installed on the inner wall of the bottom cylinder. Multiple stirring rods are fixedly installed on the first rotating shaft. The output end of the first motor drives the first gear to rotate, causing the first gear ring and the second gear ring to rotate. A sealing ring is provided on the first gear ring to seal the upper sleeve and the bottom cylinder. The second gear ring drives the multiple second gears to rotate, which in turn causes the multiple stirring rods on the first rotating shaft to rotate, so that the components in the corrosive agent are evenly mixed and the corrosive agent in the corrosive agent cylinder can fluctuate, thereby allowing the test tube to fully contact the corrosive agent. The first gear ring is rotatably installed between the upper sleeve and the bottom cylinder, the second gear ring is installed inside the bottom cylinder, the multiple stirring rods are rotatably installed inside the mounting sleeve, and the heating tube is fixedly installed on the inner wall of the mounting sleeve in a spiral shape, which allows the corrosive agent to be heated evenly.

[0006] Preferably, the rotary drive device includes a second motor, which is fixedly mounted on the side of the rectangular block. The output end of the second motor is fixedly connected to a second rotating shaft, and one end of the second rotating shaft is fixedly connected to a first hexagonal block. The first hexagonal block is driven by a second hexagonal block. The output end of the second motor drives the second rotating shaft, enabling the rotation of both the first and second hexagonal blocks. The first and second hexagonal blocks are perpendicularly intersecting, and a guide assembly is slidably connected within both blocks. The first hexagonal block drives the second hexagonal block to rotate via the guide assembly. The guide assembly includes six L-shaped rods. Two vertical rods of any one L-shaped rod are slidably connected to the first and second hexagonal blocks, respectively. One end of each L-shaped rod is fixedly connected to a lead screw, which is threaded onto a fixing assembly. The bottom end of the lead screw is fixedly connected to a sliding rod, which is slidably connected to the rotary assembly. The shear force during the rotation of the first hexagonal block causes the six L-shaped rods to sequentially rotate horizontally along the first hexagonal block. The six L-shaped rods slide up and down along the second hexagonal block in sequence, causing the second hexagonal block to rotate. The fixing component includes a nut and two flower-shaped blocks, which are respectively located at the two ends of the test tube. Multiple arc-shaped clamps are fixedly connected to the flower-shaped blocks, and the arc-shaped clamps are snapped into the ends of the test tube. The nut is threaded to the screw. When the test tube is fixed, the multiple arc-shaped clamps at both ends of the test tube can clamp and fix the test tube by tightening the nut. The rotating component includes a disc, and a rotating ring is fixedly provided on the outer surface of the disc. The rotating ring is rotatably connected to the inner wall of the upper sleeve. Six protective sleeves are fixedly fitted on the disc. A ball cover is fixedly connected to the bottom end of the protective sleeve. The test tube is movably arranged inside the protective sleeve. The ball cover is slidably connected to the slide rod. The corrosive agent enters the protective sleeve through the ball cover. Any test tube moves up and down in one protective sleeve, so that the test tube can fully contact the corrosive agent and observe whether there is corrosion cracking in the test tube.

[0007] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0008] 1. The rotation of the first and second gear rings can cause multiple second gears to rotate, which in turn causes multiple circumferentially distributed stirring rods to rotate, making the components in the corrosive agent uniformly mixed and fluctuating, ensuring full contact between the test tube and the corrosive agent. Furthermore, by heating the corrosive agent through the heating tube, corrosion detection effects at different temperatures can be achieved.

[0009] 2. Any test tube moves up and down within the corresponding sheath, allowing it to fully contact the corrosive agent and observe whether there is corrosion or cracking. The installation height of the test tube can be adjusted by a hydraulic cylinder, facilitating corrosion testing of test tubes of different lengths. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the overall invention.

[0012] Figure 2 This is a cross-sectional schematic diagram of the corrosive agent cylinder of the present invention.

[0013] Figure 3 This is a schematic diagram of the rotating component of the present invention.

[0014] Figure 4 This is a schematic diagram of the stirring device of the present invention.

[0015] Figure 5 This is a schematic diagram of the rotary drive device and guide assembly of the present invention.

[0016] Figure 6 This is a schematic diagram of the structural fixing component of the present invention.

[0017] In the diagram: 1. Base plate; 2. Corrosive agent cylinder; 21. Upper sleeve; 22. Bottom cylinder; 23. Ring frame; 3. Stirring device; 31. First motor; 32. First gear; 33. First gear ring; 34. Second gear ring; 35. Second gear; 36. Mounting sleeve; 37. First rotating shaft; 371. Stirring rod; 4. Rotating assembly; 41. Protective sleeve; 42. Ball cover; 43. Disc; 431. Rotating ring; 5. Height adjustment assembly; 51. Hydraulic cylinder; 52. Base; 53. Rectangular block; 6. Rotary drive device; 61. Second motor; 62. Second rotating shaft; 63. First hexagonal block; 64. Second hexagonal block; 7. Guide assembly; 71. L-shaped rod; 72. Lead screw; 73. Slide rod; 8. Test tube body; 9. Fixing assembly; 91. Nut; 92. Flower-shaped block; 93. Arc-shaped clamp; 10. Heating tube. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figure 1-6As shown, the present invention provides a corrosion testing device for anti-corrosion pipe production, comprising a base plate 1, a corrosive agent cylinder 2 and a height adjustment component 5 fixedly installed on the upper surface of the base plate 1, a stirring device 3 rotatably connected inside the corrosive agent cylinder 2, a rotary drive device 6 fixedly connected to the height adjustment component 5, a guide component 7 slidably connected to the rotary drive device 6, a fixing component 9 threadedly provided on the guide component 7, a test tube body 8 clamped and installed inside the fixing component 9, a rotary component 4 rotatably connected to the inner wall of the corrosive agent cylinder 2, the test tube body 8 movably disposed inside the rotary component 4, the guide component 7 slidably connected to the rotary component 4, and a heating tube 10 installed inside the corrosive agent cylinder 2.

[0020] By adopting the above technical solution, a corrosive agent is added to the corrosive agent cylinder 2, and the corrosive agent is heated by the heating tube 10 to raise the temperature of the corrosive agent, thereby enabling corrosion detection of the test tube body 8 at different temperatures.

[0021] The corrosive agent cylinder 2 includes an upper sleeve 21 and a bottom cylinder 22. A stirring device 3 is rotatably connected between the upper sleeve 21 and the bottom cylinder 22. An annular frame 23 is fixedly sleeved on the outer surface of the bottom cylinder 22. The bottom end of the annular frame 23 is fixedly connected to the upper surface of the bottom plate 1. A rotating assembly 4 is rotatably connected to the inner wall of the upper sleeve 21.

[0022] By adopting the above technical solution, the upper sleeve 21 and the bottom cylinder 22 are rotatably connected to the stirring device 3 and can be sealed.

[0023] The height adjustment assembly 5 includes a hydraulic cylinder 51, which is fixedly mounted on the upper surface of the base plate 1. The piston rod of the hydraulic cylinder 51 is fixedly connected to a base 52. A rectangular block 53 is fixedly mounted on the upper surface of the base 52, and the rectangular block 53 is fixedly connected to the rotary drive device 6.

[0024] By adopting the above technical solution, the installation height of the piston rod drive device 6 of the hydraulic cylinder 51 can be adjusted.

[0025] The stirring device 3 includes a first motor 31, which is fixedly mounted on the ring frame 23. The output end of the first motor 31 is fixedly connected to a first gear 32, which meshes with a first gear ring 33. A second gear ring 34 is fixedly mounted on the upper surface of the first gear ring 33, which meshes with multiple second gears 35. A first rotating shaft 37 is fixedly mounted inside the second gear 35. The first rotating shaft 37 is rotatably connected to a mounting sleeve 36, which is fixedly mounted on the inner wall of the bottom cylinder 22. Multiple stirring rods 371 are fixedly mounted on the first rotating shaft 37.

[0026] By adopting the above technical solution, the output end of the first motor 31 drives the first gear 32 to rotate, causing the first gear ring 33 and the second gear ring 34 to rotate. The first gear ring 33 is provided with a sealing ring, which can seal the upper sleeve 21 and the bottom cylinder 22. The second gear ring 34 drives multiple second gears 35 to rotate, which in turn causes multiple stirring rods 371 on the first rotating shaft 37 to rotate, so that the components in the corrosive are mixed evenly and the corrosive in the corrosive cylinder 2 can fluctuate, thereby allowing the test tube body 8 to fully contact the corrosive.

[0027] The first gear ring 33 is rotatably disposed between the upper sleeve 21 and the bottom cylinder 22, the second gear ring 34 is disposed inside the bottom cylinder 22, multiple stirring rods 371 are rotatably disposed inside the mounting sleeve 36, and the heating tube 10 is fixedly disposed on the inner wall of the mounting sleeve 36 in a spiral shape.

[0028] By adopting the above technical solution, the spiral heating tube 10 can make the corrosive agent heat evenly.

[0029] The rotary drive device 6 includes a second motor 61, which is fixedly mounted on the side of the rectangular block 53. The output end of the second motor 61 is fixedly connected to a second rotating shaft 62. One end of the second rotating shaft 62 is fixedly connected to a first hexagonal block 63, and the first hexagonal block 63 is drivenly connected to a second hexagonal block 64.

[0030] By adopting the above technical solution, the output end of the second motor 61 drives the second rotating shaft 62, which can realize the rotation of the first hexagonal block 63 and the second hexagonal block 64.

[0031] The first hexagonal block 63 and the second hexagonal block 64 are arranged perpendicularly to each other, and the guide component 7 is slidably connected within the first hexagonal block 63 and the second hexagonal block 64.

[0032] By adopting the above technical solution, the first hexagonal block 63 drives the second hexagonal block 64 to rotate through the guide assembly 7.

[0033] The guide assembly 7 includes six L-shaped rods 71. The two vertical rods of any L-shaped rod 71 are slidably connected to the first hexagonal block 63 and the second hexagonal block 64, respectively. One end of the L-shaped rod 71 is fixedly connected to a lead screw 72. The lead screw 72 is threadedly connected to a fixing assembly 9. The bottom end of the lead screw 72 is fixedly connected to a slide rod 73. The slide rod 73 is slidably connected to the rotating assembly 4.

[0034] By adopting the above technical solution, the oblique tangential force when the first hexagonal block 63 rotates causes the six L-shaped rods 71 ​​to slide sequentially along the horizontal direction of the first hexagonal block 63, while the six L-shaped rods 71 ​​simultaneously slide sequentially up and down along the second hexagonal block 64, causing the second hexagonal block 64 to rotate.

[0035] The fixing component 9 includes a nut 91 and two flower-shaped blocks 92. The two flower-shaped blocks 92 are respectively located at the two ends of the test tube body 8. Multiple arc-shaped clamping blocks 93 are fixedly connected to the flower-shaped blocks 92. The arc-shaped clamping blocks 93 are snapped into the ends of the test tube body 8. The nut 91 is threadedly connected to the lead screw 72.

[0036] By adopting the above technical solution, when the test tube 8 is fixed, the multiple arc-shaped clamps 93 at both ends of the test tube 8 can clamp and fix the test tube 8 by tightening the nuts 91.

[0037] The rotating assembly 4 includes a disk 43, a rotating ring 431 fixedly provided on the outer surface of the disk 43, the rotating ring 431 being rotatably connected to the inner wall of the upper sleeve 21, six protective sleeves 41 fixedly sleeved on the disk 43, a ball cover 42 fixedly connected to the bottom end of the protective sleeve 41, a test tube 8 being movably arranged inside the protective sleeve 41, and the ball cover 42 being slidably connected to the slide rod 73.

[0038] By adopting the above technical solution, the corrosive agent enters the sheath 41 through the ball cover 42, and any test tube 8 moves up and down repeatedly within the sheath 41, so that the test tube 8 can fully contact the corrosive agent and observe whether there is corrosion cracking in the test tube 8.

[0039] Working principle: The corrosive agent cylinder 2, composed of the upper sleeve 21 and the bottom cylinder 22, is filled with corrosive agent. The output end of the first motor 31 drives the first gear 32 to rotate, causing the first gear ring 33 and the second gear ring 34 to rotate. A sealing ring is provided on the first gear ring 33 to seal the upper sleeve 21 and the bottom cylinder 22. Then, the second gear ring 34 drives multiple circularly distributed second gears 35 to rotate, which in turn causes multiple stirring rods 371 on the first rotating shaft 37 to rotate, so that the components in the corrosive agent are uniformly mixed and the corrosive agent fluctuations can fully contact the test tube body 8. The output end of the second motor 61 drives the second rotating shaft 62 to realize the rotation of the first hexagonal block 63. The oblique tangential force when the first hexagonal block 63 rotates makes the hexagonal block 63 rotate. The six L-shaped rods 71 ​​slide sequentially along the first hexagonal block 63 in the horizontal direction, while the six L-shaped rods 71 ​​simultaneously slide sequentially up and down along the second hexagonal block 64, causing the second hexagonal block 64 to rotate. Any one of the test tubes 8 moves back and forth up and down within a sheath 41. The corrosive agent enters the sheath 41 through the ball cover 42, so that the test tube 8 can fully contact the corrosive agent and observe whether there is corrosion cracking in the test tube 8. The piston rod of the hydraulic cylinder 51 can adjust the installation height of the test tube 8, which is convenient for testing test tubes 8 of different lengths. The corrosive agent is heated by the heating tube 10, so that the temperature of the corrosive agent rises, thereby enabling corrosion testing of the test tube 8 at different temperatures.

[0040] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A corrosion testing device for anti-corrosion pipe production, comprising a base plate (1), characterized in that: A corrosive agent cylinder (2) and a height adjustment component (5) are fixedly installed on the upper surface of the base plate (1). A stirring device (3) is rotatably connected inside the corrosive agent cylinder (2). A rotary drive device (6) is fixedly connected to the height adjustment component (5). A guide component (7) is slidably connected to the rotary drive device (6). A fixing component (9) is threaded on the guide component (7). A test tube (8) is clamped and installed inside the fixing component (9). A rotary component (4) is rotatably connected to the inner wall of the corrosive agent cylinder (2). The test tube (8) is movably disposed inside the rotary component (4). The guide component (7) is slidably connected to the rotary component (4). A heating tube (10) is installed inside the corrosive agent cylinder (2). The corrosive agent cylinder (2) includes an upper sleeve (21) and a bottom cylinder (22). A stirring device (3) is rotatably connected between the upper sleeve (21) and the bottom cylinder (22). An annular frame (23) is fixedly sleeved on the outer surface of the bottom cylinder (22). The bottom end of the annular frame (23) is fixedly connected to the upper surface of the bottom plate (1). A rotating assembly (4) is rotatably connected to the inner wall of the upper sleeve (21). The height adjustment assembly (5) includes a hydraulic cylinder (51), which is fixedly mounted on the upper surface of the base plate (1). The piston rod of the hydraulic cylinder (51) is fixedly connected to a base (52). A rectangular block (53) is fixedly mounted on the upper surface of the base (52). The rectangular block (53) is fixedly connected to the rotary drive device (6). The stirring device (3) includes a first motor (31), which is fixedly mounted on a ring frame (23). The output end of the first motor (31) is fixedly connected to a first gear (32), which meshes with a first gear ring (33). A second gear ring (34) is fixedly mounted on the upper surface of the first gear ring (33). The second gear ring (34) meshes with multiple second gears (35). A first rotating shaft (37) is fixedly mounted inside the second gear (35). A mounting sleeve (36) is rotatably connected to the first rotating shaft (37). The mounting sleeve (36) is fixedly mounted on the inner wall of the bottom cylinder (22). Multiple stirring rods (371) are fixedly mounted on the first rotating shaft (37). The first gear ring (33) is rotatably disposed between the upper sleeve (21) and the bottom cylinder (22), the second gear ring (34) is disposed inside the bottom cylinder (22), the plurality of stirring rods (371) are rotatably disposed inside the mounting sleeve (36), and the heating tube (10) is fixedly disposed on the inner wall of the mounting sleeve (36) and is spiral in shape; The rotary drive device (6) includes a second motor (61), which is fixedly mounted on the side of the rectangular block (53). The output end of the second motor (61) is fixedly connected to a second rotating shaft (62), and one end of the second rotating shaft (62) is fixedly connected to a first hexagonal block (63). The first hexagonal block (63) is drivenly connected to a second hexagonal block (64).

2. The corrosion testing device for anti-corrosion pipe production as described in claim 1, characterized in that, The first hexagonal block (63) and the second hexagonal block (64) are arranged perpendicularly to each other, and the guide component (7) is slidably connected within the first hexagonal block (63) and the second hexagonal block (64).

3. The corrosion testing device for anti-corrosion pipe production using hanging plates as described in claim 1, characterized in that, The guide assembly (7) includes six L-shaped rods (71). Two vertical rods of any one of the L-shaped rods (71) are slidably connected to the first hexagonal block (63) and the second hexagonal block (64), respectively. One end of the L-shaped rod (71) is fixedly connected to a lead screw (72). A fixing assembly (9) is threaded onto the lead screw (72). A slide rod (73) is fixedly connected to the bottom end of the lead screw (72). The slide rod (73) is slidably connected to the rotating assembly (4).

4. The corrosion testing device for anti-corrosion pipe production using hanging plates as described in claim 3, characterized in that, The fixing component (9) includes a nut (91) and two flower-shaped blocks (92). The two flower-shaped blocks (92) are respectively located at the two ports of the test tube (8). Multiple arc-shaped clamps (93) are fixedly connected to the flower-shaped blocks (92). The arc-shaped clamps (93) are snapped into the ports of the test tube (8). The nut (91) is threadedly connected to the lead screw (72).

5. The corrosion testing device for anti-corrosion pipe production as described in claim 3, characterized in that, The rotating assembly (4) includes a disk (43), a rotating ring (431) is fixedly provided on the outer surface of the disk (43), the rotating ring (431) is rotatably connected to the inner wall of the upper sleeve (21), six protective sleeves (41) are fixedly sleeved on the disk (43), a ball cover (42) is fixedly connected to the bottom end of the protective sleeve (41), a test tube (8) is movably arranged inside the protective sleeve (41), and the ball cover (42) is slidably connected to the slide rod (73).

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