Steel pipe flaw detection marking device

By adjusting the position of the flaw detector and the paint spray gun, the problem of poor detection accuracy of steel pipes of different diameters in the prior art is solved, and high-precision flaw detection and marking effects are achieved.

CN223065300UActive Publication Date: 2025-07-04LIAONING HONGYUAN TESTING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421781483.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-07-04
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The existing steel pipe flaw detection and detection outer wall marking device cannot adjust the position of the paint spray gun, flaw detector and steel pipe due to the fixed distance between the two movable two movable rods, resulting in too close or too far when detecting and marking steel pipes of different diameters, and the detection range and accuracy are not good.

Method used

A steel pipe flaw detection and detection marking device is designed to adjust the position of the flaw detector and paint spray gun through the screw and gear transmission system, and combine the movement of the hydraulic cylinder and the slide plate to achieve adaptive detection of steel pipes of different diameters, including flaw detection and marking.

Benefits of technology

High-precision flaw detection and labeling of steel pipes of different diameters are realized, the detection range is expanded, and the detection flexibility and accuracy are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe flaw detection marking device which comprises an operation table and a sliding plate, the upper surface of the sliding plate is fixedly connected with a first vertical plate, a plurality of through holes of the operation table are in clearance fit with stop levers, the upper surfaces of the stop levers are fixedly connected with a first transverse plate, and the upper portion of the right side of the first vertical plate is fixedly connected with a second transverse plate. A flaw detection mechanism is mounted above the first transverse plate, and a marking mechanism is mounted on the outer wall of the second transverse plate. The steel pipe flaw detection device relates to the technical field of flaw detection equipment, a steel pipe needing flaw detection and marking can be placed on the rollers, and the handle drives the screw rod to rotate, so that the screw rod moves through the operation table; in this way, the screw rod is matched with the stop lever to drive the first transverse plate to move, so that the first transverse plate drives the steel pipe to move through the roller and the like, the distance between the steel pipe and the flaw detector is adjusted, flaw detection and marking of the steel pipes with different diameters are met, the limitation is small, and the detection precision is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of flaw detection and testing equipment, in particular to a steel pipe flaw detection and marking device. Background Technique

[0002] Steel pipes are used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, and are also an economical type of steel. They are classified into seamless steel pipes and welded steel pipes according to the production method. Welded steel pipes are divided into straight seam steel pipes and spiral welded pipes. After the production and processing of steel pipes, in order to ensure quality, flaw detection is carried out on them, and then the steel pipes are marked by a marking device.

[0003] For example, a steel pipe flaw detection and outer wall marking device with the publication number CN208270561U in the technical field of flaw detection and testing equipment includes a flaw detector 3 installed at the front end of a movable bifurcated rod 1. The movable bifurcated rod 1 is U-shaped and has two independent upper and lower cross bars with parallel central axes. At the front end of the upper rod of the movable bifurcated rod 1, a paint spray gun 2 is provided facing downward, and a flaw detector 3 is installed at the front end of the lower rod of the movable bifurcated rod 1;

[0004] In this steel pipe flaw detection and outer wall marking device, a paint spray gun and a flaw detector are respectively installed at the front end of the movable bifurcated rod to complete flaw detection and marking. However, since the distance between the two bifurcated rods of the movable bifurcated rod is fixed, the positions of the paint spray gun and the flaw detector connected to the movable bifurcated rod relative to the steel pipe cannot be adjusted. Therefore, when flaw detecting and marking steel pipes with different diameters, the situation of being too close or too far may occur. As a result, the detection range and detection accuracy are not good, and there are limitations. In view of this, it is very necessary to design a steel pipe flaw detection and marking device to solve this problem. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a steel pipe flaw detection and marking device, which solves the problem that in the existing steel pipe flaw detection and outer wall marking device, since the distance between the two bifurcated rods of the movable bifurcated rod is fixed, the positions of the paint spray gun and the flaw detector connected to the movable bifurcated rod relative to the steel pipe cannot be adjusted. Therefore, when flaw detecting and marking steel pipes with different diameters, the situation of being too close or too far may occur. As a result, the detection range and detection accuracy are not good, and there are limitations.

[0006] To achieve the above object, the utility model is realized by the following technical solutions: A steel pipe flaw detection and marking device includes an operation table and a sliding plate. The sliding plate is slidably clamped at the chute of the operation table. A first vertical plate is fixedly connected to the upper surface of the sliding plate. A plurality of through holes of the operation table are all in clearance fit with a stop rod, and a first horizontal plate is fixedly connected to the upper surface of the stop rod. A second horizontal plate is fixedly connected above the right side of the first vertical plate. A flaw detection mechanism is installed above the first horizontal plate, and a marking mechanism is installed on the outer wall of the second horizontal plate.

[0007] Preferably, the flaw detection mechanism includes a screw rod rotatably connected to the middle inside of the lower part of the first horizontal plate, and the middle outer wall of the screw rod is threadedly connected to the inside of the operation table. A handle is fixedly connected to the lower surface of the screw rod. A plurality of second vertical plates are fixedly connected to the upper surface of the first horizontal plate. A roller is rotatably connected to the inner side of adjacent second vertical plates through a rotating shaft. The outer wall of the upper part of the roller is attached to a steel pipe, and a flaw detection component is installed inside the steel pipe.

[0008] Preferably, the flaw detection component includes a first fork rod fixedly connected to the middle outer wall of the right side of the first vertical plate, and a flaw detector is fixedly connected to the right side of the first fork rod.

[0009] Preferably, the marking mechanism includes a gear rod rotatably connected to the inside of the first vertical plate through a bearing, and a first bevel gear is fixedly connected to the middle outer wall of the gear rod. The rear end of the gear rod is meshed with a rack, and the outer wall of the rack is in clearance fit with the inner wall of the through hole of the second horizontal plate. A second fork rod is fixedly connected to the lower surface of the rack, and the outer wall of the left end of the second fork rod is in clearance fit with the inner wall of the chute of the first vertical plate. A paint spray gun is fixedly connected to the lower right surface of the second fork rod, and a transmission component is installed above the first bevel gear.

[0010] Preferably, the transmission component includes a motor fixedly connected to the inside of the second horizontal plate, and an output shaft of the motor is fixedly connected to a second bevel gear meshed with the first bevel gear.

[0011] Preferably, a pair of support seats are fixedly connected to the upper left side of the operation table, and a hydraulic cylinder is fixedly connected to the upper part of the support seats. The right side of the hydraulic cylinder is fixedly connected to the first vertical plate.

[0012] Beneficial effects

[0013] The utility model provides a steel pipe flaw detection and marking device, which has the following beneficial effects:

[0014] The steel pipe that needs to be flaw detected and marked can be placed on the roller, and the first fork rod and the flaw detector can be inserted into the interior of the steel pipe. Then, turn the handle, which drives the screw rod to rotate through the handle, causing the screw rod to move through the operating platform. In this way, the screw rod and the stop rod cooperate to drive the first cross plate to move, and the first cross plate drives the steel pipe to move through the roller, etc., to adjust the distance between the steel pipe and the flaw detector. After that, start the motor, and the output shaft of the motor drives the first bevel gear to rotate through the second bevel gear. In this way, the first bevel gear can drive the gear rod to rotate, and thus the gear rod and the through hole of the second cross plate cooperate to drive the rack to move. The rack and the chute of the first vertical plate cooperate to drive the second fork rod to move, and the second fork rod drives the paint spray gun to move, so that the distance between the paint spray gun and the steel pipe can be adjusted, thereby meeting the requirements for flaw detection and marking of steel pipes with different diameters. Therefore, the limitation is small and the detection accuracy is relatively high;

[0015] After that, start the flaw detector, the paint spray gun and the hydraulic cylinder, hold the steel pipe, and the hydraulic cylinder and the slide plate cooperate to drive the first vertical plate to move. The first vertical plate then drives the flaw detector and the paint spray gun to move through the first fork rod and the second fork rod. Then, use the flaw detector to detect the flaws of the steel pipe, use the paint spray gun to mark the damaged parts of the steel pipe, and the steel pipe can also be rotated through the roller to detect and mark the other positions of the steel pipe. In this way, the detection range is relatively large. Brief Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of the present utility model.

[0017] Figure 2 It is a plane cross-sectional view of the present utility model.

[0018] Figure 3 It is a partially enlarged schematic diagram of the present utility model.

[0019] Figure 4 It is a partially enlarged schematic diagram of the present utility model.

[0020] Figure 5 It is a partially enlarged schematic diagram of the present utility model.

[0021] In the figure: 1, operating platform; 2, slide plate; 3, first vertical plate; 4, stop rod; 5, first cross plate; 6, second cross plate; 7, screw rod; 8, handle; 9, second vertical plate; 10, roller; 11, steel pipe; 12, first fork rod; 13, flaw detector; 14, gear rod; 15, rack; 16, first bevel gear; 17, motor; 18, second bevel gear; 19, second fork rod; 20, paint spray gun; 21, support seat; 22, hydraulic cylinder. Detailed Description of the Preferred Embodiment

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5 , the present utility model provides a technical solution: a steel pipe flaw detection and marking device, including an operation table 1 and a sliding plate 2. The sliding plate 2 is slidably clamped at the chute of the operation table 1. A first vertical plate 3 is fixedly connected to the upper surface of the sliding plate 2. A plurality of through holes of the operation table 1 are all in clearance fit with a stop rod 4, and a first horizontal plate 5 is fixedly connected to the upper surface of the stop rod 4. A second horizontal plate 6 is fixedly connected above the right side of the first vertical plate 3. A flaw detection mechanism is installed above the first horizontal plate 5, and a marking mechanism is installed on the outer wall of the second horizontal plate 6;

[0024] A chute and 4 through holes can be processed respectively inside the upper part and the right end of the operation table 1, and the sliding plate 2 is arranged at this chute. In this way, the first vertical plate 3 can move more stably through the sliding plate 2. The stop rod 4 is installed at the through hole of the operation table. In this way, the stability of the first horizontal plate 5 can be improved through the stop rod 4 to limit it.

[0025] In this embodiment, it is further set that the flaw detection mechanism includes a screw rod 7 rotatably connected to the middle inside of the lower part of the first horizontal plate 5, and the middle outer wall of the screw rod 7 is threadedly connected to the inside of the operation table 1. A handle 8 is fixedly connected to the lower surface of the screw rod 7. A plurality of second vertical plates 9 are fixedly connected to the upper surface of the first horizontal plate 5. A roller 10 is rotatably connected to the inner side of adjacent second vertical plates 9 through a rotating shaft. The outer wall of the roller 10 is attached to a steel pipe 11, and a flaw detection component is installed inside the steel pipe 11;

[0026] 12 second vertical plates 9 can be arranged on the first horizontal plate 5, and a roller 10 is arranged between adjacent two second vertical plates 9. In this way, the steel pipe 11 can be rotated through the roller 10, so as to facilitate flaw detection and spraying marking of other positions of the steel pipe.

[0027] In this embodiment, it is further set that the flaw detection component includes a first fork rod 12 fixedly connected to the middle outer wall of the right side of the first vertical plate 3, and a flaw detector 13 is fixedly connected to the right side of the first fork rod 12;

[0028] The steel pipe 11 can be flaw detected by the flaw detector 13. This is the prior art and can be completely realized by those skilled in the art, so it will not be elaborated too much.

[0029] In this embodiment, it is further set that the marking mechanism includes a gear rod 14 rotatably connected to the inside of the first vertical plate 3 through a bearing, and a first bevel gear 16 is fixedly connected to the outer wall in the middle of the gear rod 14. The rear end of the gear rod 14 is meshed with a rack 15, and the outer wall of the rack 15 is in clearance fit with the inner wall of the through hole of the second horizontal plate 6. A second fork rod 19 is fixedly connected to the lower surface of the rack 15, and the outer wall of the left end of the second fork rod 19 is in clearance fit with the inner wall of the chute of the first vertical plate 3. A paint spray gun 20 is fixedly connected to the lower right surface of the second fork rod 19, and a transmission component is installed above the first bevel gear 16;

[0030] A through hole can be machined inside the second horizontal plate 6, and the rack 15 can be installed at this through hole. In this way, the through hole can limit the position of the rack 15. A chute is machined on the right side of the first vertical plate 3, and in this way, the chute can limit the position of the second fork rod 19. A paint spray gun 20 is installed on the second fork rod 19. In this way, when a crack is detected on the steel pipe 11 by the paint spray gun 20, spraying and marking can be carried out. This is the prior art and can be fully realized by those skilled in the art, so no more details will be described.

[0031] In this embodiment, it is further set that the transmission component includes a motor 17 fixedly connected to the inside of the second horizontal plate 6, and a second bevel gear 18 fixedly connected to the output shaft of the motor 17 and meshed with the first bevel gear 16.

[0032] In this embodiment, it is further set that a pair of support seats 21 are fixedly connected to the upper left side of the operating table 1, and a hydraulic cylinder 22 is fixedly connected to the upper part of the support seats 21. The right side of the hydraulic cylinder 22 is fixedly connected to the first vertical plate 3;

[0033] The hydraulic cylinder 22 cooperates with the sliding plate 2 to drive the first vertical plate 3 to move. The first vertical plate 3 then drives the flaw detector 13 and the paint spray gun 20 to move through the first fork rod 12 and the second fork rod 19, and then the steel pipe 11 is detected for flaws by the flaw detector.

[0034] It should be noted that for the electrical structures and the like involved in this application, their models can be selected according to the needs of users, only need to meet the usage requirements of this application. At the same time, their corresponding control circuits and the like are also the prior art and can be fully realized by those skilled in the art, so no more details will be described.

[0035] Through those skilled in the art, the components in this case are connected in sequence. For the specific connection and operation sequence, the following working principle should be referred to. The detailed connection means are the well-known technology in this field. The following mainly introduces the working principle and process.

[0036] Embodiment: When this device needs to be used, the external power supply and control circuit of each electrical structure can be turned on. Then, the steel pipe 11 to be subjected to flaw detection and marking is placed on the roller 10, and the first fork rod 12 and the flaw detector 13 are inserted into the interior of the steel pipe 11. Next, the handle 8 is rotated, driving the screw rod 7 to rotate through the handle 8, and the screw rod 7 moves through the operating platform 1. In this way, the screw rod 7 and the stop rod 4 cooperate to drive the first cross plate 5 to move, and the first cross plate 5 drives the steel pipe 11 to move through the roller 10 and the like, adjusting the distance between the steel pipe 11 and the flaw detector 13. Then, the motor 17 is started, and the output shaft of the motor 17 drives the first bevel gear 16 to rotate through the second bevel gear 18. In this way, the first bevel gear 16 drives the gear rod 14 to rotate, and the gear rod 14 and the through hole of the second cross plate 6 cooperate to drive the rack 15 to move. The rack 15 and the chute of the first vertical plate 3 cooperate to drive the second fork rod 19 to move, and the second fork rod 19 drives the paint spray gun 20 to move. In this way, the distance between the paint spray gun 20 and the steel pipe 11 can be adjusted to meet the flaw detection and marking requirements for steel pipes 11 of different diameters. Therefore, the limitations are small and the detection accuracy is relatively high.

[0037] After that, the flaw detector 13, the paint spray gun 20 and the hydraulic cylinder 22 are started. Hold the steel pipe 11, and the hydraulic cylinder 22 and the sliding plate 2 cooperate to drive the first vertical plate 3 to move. The first vertical plate 3 drives the flaw detector 13 and the paint spray gun 20 to move through the first fork rod 12 and the second fork rod 19. Then, the steel pipe 11 is subjected to flaw detection by the flaw detector, the damaged parts of the steel pipe are marked by the paint spray gun, and the steel pipe 11 can also be rotated by the roller 10 to perform flaw detection and marking on the remaining positions of the steel pipe 11. In this way, the detection range is relatively large.

[0038] It should be noted that in this article, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0039] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A steel pipe flaw detection marking device, comprising an operating table (1) and a sliding plate (2), wherein the sliding plate (2) is slidably clamped at the chute of the operating table (1), and is characterized in that: A first vertical plate (3) is fixedly connected to the upper surface of the skateboard (2). A retaining rod (4) is in clearance fit at each of several through holes of the operating table (1), and a first horizontal plate (5) is fixedly connected to the upper surface of the retaining rod (4). A second horizontal plate (6) is fixedly connected above the right side of the first vertical plate (3). A flaw detection mechanism is installed above the first horizontal plate (5), and a marking mechanism is installed on the outer wall of the second horizontal plate (6).

2. The steel pipe flaw detection marking device according to claim 1, characterized in that, The flaw detection mechanism includes a screw rod (7) rotatably connected to the middle inside of the lower part of the first horizontal plate (5), and the middle outer wall of the screw rod (7) is threadedly connected to the inside of the operating table (1). A handle (8) is fixedly connected to the lower surface of the screw rod (7). A plurality of second vertical plates (9) are fixedly connected to the upper surface of the first horizontal plate (5). A roller (10) is rotatably connected to the inner sides of adjacent second vertical plates (9) through a rotating shaft. The outer wall of the upper part of the roller (10) is in contact with a steel pipe (11), and a flaw detection component is installed inside the steel pipe (11).

3. The steel pipe flaw detection marking device according to claim 2, characterized in that, The flaw detection component includes a first fork rod (12) fixedly connected to the middle outer wall of the right side of the first vertical plate (3), and a flaw detector (13) is fixedly connected to the right side of the first fork rod (12).

4. The steel pipe flaw detection and marking device according to claim 1, characterized in that, The marking mechanism includes a gear rod (14) rotatably connected to the inside of the first vertical plate (3) through a bearing, and a first bevel gear (16) is fixedly connected to the middle outer wall of the gear rod (14). A rack (15) is meshed with the rear end of the gear rod (14), and the outer wall of the rack (15) is in clearance fit with the inner wall of the through hole of the second horizontal plate (6). A second fork rod (19) is fixedly connected to the lower surface of the rack (15), and the outer wall of the left end of the second fork rod (19) is in clearance fit with the inner wall of the sliding groove of the first vertical plate (3). A paint spray gun (20) is fixedly connected to the lower right surface of the second fork rod (19), and a transmission component is installed above the first bevel gear (16).

5. The steel pipe flaw detection and marking device according to claim 4, characterized in that, The transmission component includes a motor (17) fixedly connected to the inside of the second horizontal plate (6), and a second bevel gear (18) meshed with the first bevel gear (16) is fixedly connected to the output shaft of the motor (17).

6. The steel pipe flaw detection marking device according to claim 1, characterized in that, A pair of support seats (21) are fixedly connected to the upper left side of the operating table (1), and a hydraulic cylinder (22) is fixedly connected to the upper part of the support seats (21). The right side of the hydraulic cylinder (22) is fixedly connected to the first vertical plate (3).

Citation Information

Patent Citations

  • Steel pipe flaw detection outer wall mark device

    CN208270561U