Surface quality detection device for hot-dip galvanized steel pipe

By designing a combination of brackets, detectors, and rotating components, the problems of offset and blind spots in the hot-dip galvanized steel pipe detection device during the detection process were solved, and efficient and accurate multi-position detection was achieved.

CN223346808UActive Publication Date: 2025-09-16TIANJIN JINGHAI COUNTY BAOLAILI GALVANIZATION STEEL PIPE
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Patent Information

Application Number
CN202421888826.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-09-16
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

Existing equipment is prone to deviation or detachment when inspecting hot-dip galvanized steel pipes, resulting in insufficient inspection accuracy and practicality, and is not convenient for multi-position inspection.

Method used

A detection device including a bracket, a detector, a probe, an adjustment assembly and a rotation assembly was designed. Through the combination of a rack, a driven gear, a screw, a cylinder and a motor, the lateral and height adjustment of the probe and the rotation of the workpiece were achieved to ensure comprehensive detection.

Benefits of technology

It improves the convenience and accuracy of detection, avoids detection blind spots, and enhances the practicality of surface quality detection of hot-dip galvanized steel pipes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a surface quality detection device for a hot-dip galvanized steel pipe, which belongs to the technical field of hot-dip galvanized steel pipe detection and comprises a base, a support is mounted on the top of the base and close to one side, an adjusting component is mounted on the top of the support, and a detector is mounted on one side of the support. A probe used for detecting the surface of the steel pipe is installed at the bottom of the adjusting assembly, and the adjusting assembly can drive the detection probe to generate transverse and height position changes, so that the probe gets close to a workpiece to detect the surface quality of the workpiece, and the detector is ultrasonic flaw detector equipment. Flaw detection is carried out on the surface quality of the workpiece through the probe and is displayed and controlled through the detector, so that the problems that dead angles exist during detection due to inconvenience in driving the workpiece to rotate, transverse and height positions of a detection mechanism are inconvenient to adjust, multi-position detection of the workpiece by equipment is not facilitated, and the detection efficiency is improved are solved. And the workpiece detection precision and practicability of the equipment are influenced.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot-dip galvanized steel pipe detection, in particular to a surface quality detection device for hot-dip galvanized steel pipes. Background Art

[0002] Hot-dip galvanized steel pipes are galvanized to improve their corrosion resistance. Galvanized steel pipes are divided into hot-dip galvanized and electro-galvanized. Hot-dip galvanized steel pipes have a thick galvanized layer, while electro-galvanized steel pipes have a low cost and a not very smooth surface. Hot-dip galvanized steel pipes need to be surface inspected during the production process to ensure the quality of the finished product. Ultrasonic flaw detectors are portable industrial non-destructive flaw detectors that can quickly, conveniently, non-destructively and accurately detect, locate, evaluate and diagnose various defects (cracks, porosity, pores, inclusions, etc.) inside workpieces. Existing equipment is prone to deviation or detachment when inspecting the outer surface of the workpiece, affecting the accuracy of the inspection.

[0003] Existing equipment usually clamps the workpiece for fixing when inspecting it, which is not convenient for driving the workpiece to rotate, resulting in blind spots during inspection. It is also not convenient to adjust the lateral and height positions of the inspection mechanism, which is not conducive to the equipment performing multi-position inspection on the workpiece, affecting the accuracy and practicality of the equipment's inspection of the workpiece. Therefore, those skilled in the art provide a surface quality inspection device for hot-dip galvanized steel pipes to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a surface quality detection device for hot-dip galvanized steel pipes to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface quality detection device for hot-dip galvanized steel pipe, comprising a base, a bracket is installed on the top of the base and near one side, an adjusting assembly is installed on the top of the bracket, a detector is installed on one side of the bracket, a probe for detecting the surface of the steel pipe is installed on the bottom of the adjusting assembly, a driving member is installed on the other side of the base, a rotating assembly supporting the workpiece is installed on the top of the base, the detector is electrically connected to the probe, the adjusting assembly includes a first screw running through the bracket and the base, a driven gear is sleeved on the outer side of the first screw, a first cylinder is installed on the top of the bracket, a first push rod is connected to one side of the first cylinder, one end of the first push rod is connected to a rack, the rack is meshed with the driven gear, the adjusting assembly also includes a mounting plate sleeved on the outer side of the first screw, a mounting block is slidably connected to the inner side of the mounting plate, a second cylinder is installed on one end of the mounting plate, and a second push rod is connected to one end of the second cylinder, and the probe and the mounting block are fixed by bolts;

[0006] The rotating assembly includes two sliding grooves opened on the top of the base, the sliding grooves are penetrated by the second screw, the sliding grooves are internally provided with a driving block, the sliding grooves are internally provided with a driving block and the driving block is located on the outside of the second screw, the top of the driving block is connected to the fixed frame, the second screw is a bidirectional screw, the second screw passes through the driving block and is screwed therewith, the rotating assembly also includes a fixed shaft passing through the inside of the fixed frame, the fixed shaft is sleeved with a rotating wheel on the outside, one of the fixed frames is provided with a first motor and is located at one end of the fixed shaft, the fixed shaft is fixedly connected to the rotating wheel, and the fixed shaft is rotatably connected to the fixed frame;

[0007] The driving member includes three fixed blocks installed on the other side of the base, a rotating rod passes through the inner side of the three fixed blocks, a second motor is installed at one end of the rotating rod, a first bevel gear is mounted on the outer side of the rotating rod, and a second bevel gear is mounted at one end of the second screw, and the first bevel gear is meshed with the second bevel gear.

[0008] Preferably, two guide rods are installed between the bracket and the base, and the guide rods pass through the mounting plate and are slidably connected thereto.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the present invention, by setting a bracket, a detector and a probe, the adjustment component can drive the detection probe to change its lateral and height position, so that the probe can approach the workpiece to detect the surface quality of the workpiece. The detector is an ultrasonic flaw detector. The probe detects the surface quality of the workpiece and displays and controls it through the detector, thereby improving the convenience and practicality of the equipment in detecting the quality of the workpiece.

[0011] 2. In the present invention, by setting a rack, a driven gear, a mounting plate, a first screw and a mounting block, the first cylinder can drive the rack to perform telescopic movement through the first push rod, the rack drives the first screw to rotate back and forth through the driven gear, the first screw can drive the mounting plate to move up and down, and the second cylinder drives the probe in the mounting block to move horizontally through the second push rod, thereby improving the convenience and accuracy of the probe in performing multi-position detection.

[0012] 3. In the utility model, by arranging a second screw, a driving block, a fixed frame, a rotating wheel and a first bevel gear, the second motor can drive the first bevel gear on the outer side of the rotating rod to rotate, and the first bevel gear drives the second screw to rotate forward and reversely through the second bevel gear, so that the second screw drives the two driving blocks to approach or move away from each other, thereby causing the driving blocks to drive the rotating wheel on the top of the fixed frame to approach or move away, and the two sets of rotating wheels can limit and support the workpiece, and the first motor can drive the rotating wheel on the outer side of the fixed shaft to rotate, thereby causing the workpiece to rotate between the two rotating wheels, so that the probe can fully detect the outer surface of the workpiece and avoid blind spots when the probe detects the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 The front cutaway perspective view of the overall structure of the utility model Figure 1 ;

[0015] Figure 3 The front cutaway perspective view of the overall structure of the utility model Figure 2 .

[0016] In the figure: 1. base; 2. bracket; 3. detector; 4. probe; 5. first screw; 6. driven gear; 7. first cylinder; 8. first push rod; 9. rack; 10. mounting plate; 11. mounting block; 12. second cylinder; 13. second push rod; 14. sliding groove; 15. second screw; 16. driving block; 17. fixing frame; 18. fixed shaft; 19. rotating wheel; 20. first motor; 21. fixing block; 22. rotating rod; 23. second motor; 24. first bevel gear; 25. second bevel gear; 26. guide rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figures 1 to 3In an embodiment of the utility model, a surface quality detection device for a hot-dip galvanized steel pipe includes a base 1, a bracket 2 is installed on the top of the base 1 and close to one side, an adjustment component is installed on the top of the bracket 2, a detector 3 is installed on one side of the bracket 2, a probe 4 for detecting the surface of the steel pipe is installed at the bottom of the adjustment component, a driving part is installed on the other side of the base 1, a rotating component supporting the workpiece is installed on the top of the base 1, and the detector 3 is electrically connected to the probe 4.

[0019] When in use, the adjustment component can drive the detection probe 4 to change its lateral and height position, so that the probe 4 can approach the workpiece to detect the surface quality of the workpiece. The detector 3 is an ultrasonic flaw detector. The probe 4 detects the surface quality of the workpiece and displays and controls it through the detector 3, thereby improving the convenience and practicality of the equipment in detecting the quality of the workpiece.

[0020] In one embodiment, specifically, the adjustment component includes a first screw 5 passing through the bracket 2 and the base 1, a driven gear 6 is sleeved on the outside of the first screw 5, a first cylinder 7 is installed on the top of the bracket 2, a first push rod 8 is connected to one side of the first cylinder 7, and a rack 9 is connected to one end of the first push rod 8. The adjustment component also includes a mounting plate 10 sleeved on the outside of the first screw 5, a mounting block 11 is slidably connected to the inside of the mounting plate 10, a second cylinder 12 is installed on one end of the mounting plate 10, and a second push rod 13 is connected to one end of the second cylinder 12. Two guide rods 26 are installed between the bracket 2 and the base 1, the guide rods 26 pass through the mounting plate 10 and are slidably connected to it, the probe 4 is fixed to the mounting block 11 by bolts, and the rack 9 is engaged with the driven gear 6.

[0021] Among them, the two guide rods 26 can guide and limit the mounting plate 10 to prevent the mounting plate 10 from shifting or shaking. The first cylinder 7 can drive the rack 9 to telescopic movement through the first push rod 8. The rack 9 drives the first screw 5 to reciprocate through the driven gear 6. The first screw 5 can drive the mounting plate 10 to move up and down. The second cylinder 12 drives the probe 4 in the mounting block 11 to move horizontally through the second push rod 13, thereby improving the convenience and accuracy of the probe 4 in performing multi-position detection.

[0022] Furthermore, the rotating assembly includes two sliding grooves 14 opened on the top of the base 1, the inner side of the sliding groove 14 is penetrated by a second screw 15, the inner side of the sliding groove 14 and the outer side of the second screw 15 is provided with a driving block 16, the top of the driving block 16 is connected to a fixing frame 17, the rotating assembly also includes a fixed shaft 18 passing through the inner side of the fixing frame 17, the outer side of the fixed shaft 18 is provided with a rotating wheel 19, one side of the fixing frame 17 and located at one end of the fixed shaft 18 is provided with a first motor 20, the driving member includes a fixed shaft 18 installed on the inner side of the fixing frame 17, and a first motor 20 is installed on the outer side of the fixing frame 17. There are three fixed blocks 21 on the other side of the base 1, and a rotating rod 22 is passed through the inner side of the three fixed blocks 21. A second motor 23 is installed at one end of the rotating rod 22. A first bevel gear 24 is sleeved on the outer side of the rotating rod 22. A second bevel gear 25 is sleeved on one end of the second screw 15. The first bevel gear 24 is meshed with the second bevel gear 25. The fixed shaft 18 is fixedly connected to the rotating wheel 19, and the fixed shaft 18 is rotatably connected to the fixed frame 17. The second screw 15 is a bidirectional screw, and the second screw 15 passes through the driving block 16 and is screwed thereto.

[0023] In one embodiment, specifically, the second motor 23 can drive the first bevel gear 24 on the outside of the rotating rod 22 to rotate, and the first bevel gear 24 drives the second screw 15 to rotate forward and reverse through the second bevel gear 25, so that the second screw 15 drives the two driving blocks 16 to approach or move away from each other, thereby causing the driving blocks 16 to drive the rotating wheel 19 on the top of the fixed frame 17 to approach or move away, and the two sets of rotating wheels 19 can limit and support the workpiece, and the first motor 20 can drive the rotating wheel 19 on the outside of the fixed shaft 18 to rotate, so that the workpiece rotates between the two rotating wheels 19, so that the probe 4 can fully detect the outer surface of the workpiece and avoid blind spots when the probe 4 detects the workpiece.

[0024] First, start the second motor 23, so that it drives the first bevel gear 24 on the outside of the rotating rod 22 to rotate. At this time, the first bevel gear 24 drives the second screw 15 to rotate through the second bevel gear 25, and then the second screw 15 drives the two driving blocks 16 to approach each other, and at the same time, the driving block 16 drives the rotary wheel 19 on the top of the fixed frame 17 to approach. At this time, the two sets of rotary wheels 19 limit and support the workpiece, and then start the first motor 20, so that it drives the rotary wheel 19 on the outside of the fixed shaft 18 to rotate, and at the same time, the workpiece rotates between the two rotary wheels 19, and then start the first cylinder 7 and the second cylinder 12. At this time, the first cylinder 7 drives the rack 9 to move through the first push rod 8, and at the same time, the rack 9 drives the first screw 5 to rotate through the driven gear 6. At this time, the first screw 5 drives the mounting plate 10 to move downward, and then the second cylinder 12 drives the probe 4 in the mounting block 11 to move horizontally through the second push rod 13, so that the probe 4 performs flaw detection on the surface of the workpiece.

[0025] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A surface quality detection device for hot-dip galvanized steel pipes, comprising a base (1), characterized in that: A bracket (2) is installed on the top of the base (1) and close to one side, an adjustment component is installed on the top of the bracket (2), a detector (3) is installed on one side of the bracket (2), a driving member is installed on the other side of the base (1), a rotating component for supporting a workpiece is installed on the top of the base (1), the detector (3) is electrically connected to the probe (4), a probe (4) for detecting the surface of the steel pipe is installed at the bottom of the adjustment component, the adjustment component includes a first screw (5) running through the bracket (2) and the base (1), a driven gear (6) is sleeved on the outside of the first screw (5), and the bracket (2) A first cylinder (7) is installed on the top, a first push rod (8) is connected to one side of the first cylinder (7), a rack (9) is connected to one end of the first push rod (8), and the rack (9) is meshed with the driven gear (6). The adjustment component also includes a mounting plate (10) sleeved on the outside of the first screw rod (5), a mounting block (11) is slidably connected to the inside of the mounting plate (10), a second cylinder (12) is installed on one end of the mounting plate (10), and a second push rod (13) is connected to one end of the second cylinder (12), and the probe (4) is fixed to the mounting block (11) by bolts; The rotating assembly includes two sliding grooves (14) provided on the top of the base (1), a second screw (15) passing through the inner side of the sliding groove (14), a driving block (16) being sleeved on the inner side of the sliding groove (14) and located on the outer side of the second screw (15), a fixing frame (17) being connected to the top of the driving block (16), the second screw (15) being a bidirectional screw, the second screw (15) passing through the driving block (16) and being screwed thereto, the rotating assembly also includes a fixed shaft (18) passing through the inner side of the fixing frame (17), a rotating wheel (19) being sleeved on the outer side of the fixed shaft (18), a first motor (20) being installed on one side of one of the fixing frames (17) and located at one end of the fixed shaft (18), the fixed shaft (18) being fixedly connected to the rotating wheel (19), and the fixed shaft (18) being rotationally connected to the fixing frame (17); The driving member comprises three fixed blocks (21) mounted on the other side of the base (1), a rotating rod (22) passing through the inner sides of the three fixed blocks (21), a second motor (23) being mounted on one end of the rotating rod (22), a first bevel gear (24) being sleeved on the outer side of the rotating rod (22), a second bevel gear (25) being sleeved on one end of the second screw rod (15), and the first bevel gear (24) being meshed with the second bevel gear (25).

2. The surface quality detection device for hot-dip galvanized steel pipe according to claim 1, characterized in that: Two guide rods (26) are installed between the bracket (2) and the base (1), and the guide rods (26) pass through the mounting plate (10) and are slidably connected thereto.