Seamless steel tube surface defect detection device

Abstract

The utility model relates to the field of steel pipe detection, in particular to a seamless steel pipe surface defect detection device which comprises a detection assembly, an internal fixing assembly and an external fixing assembly, the detection assembly is arranged at the upper end of a mounting bottom plate, a driving motor is arranged in the internal fixing assembly, and the left output end of a right driving motor is connected with the external fixing assembly. The beneficial effects of the utility model are that through the synergistic effect of the internal fixing assembly and the external fixing assembly and the cooperation of the detection assembly, the comprehensive detection of the internal and external surfaces of the steel pipe can be realized, the internal fixing assembly supports and fixes the steel pipe from the inside of the steel pipe, and the external fixing assembly clamps the steel pipe from the outside. The steel pipe is ensured to be stable and immovable in the detection process, so that the detection accuracy is ensured; the motor, the telescopic hydraulic cylinder, the telescopic air cylinder and other parts in the device achieve the automatic operation process, manual intervention is reduced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe detection technical field especially relates to a seamless steel pipe surface defect detection device. BACKGROUND

[0002] Seamless steel pipe has hollow section, is used as the pipeline of conveying fluid in large quantities, such as the pipeline of conveying petroleum, natural gas, coal gas, water and certain solid material etc., compared with solid steel such as round steel, the weight is lighter when resisting bending and torsional strength is the same, is an economic section steel, is widely used in manufacturing structural member and mechanical part, and the surface of seamless steel pipe needs to be detected by detection equipment.

[0003] In the related art, the patent with the application number CN202320778702.7 discloses a pipe body surface detection assembly of seamless steel pipe, which comprises a detection table, a servo motor is installed on the left side of the detection table, a lead screw is fixedly connected to the output shaft of the servo motor, the right end of the lead screw is rotatably connected to the detection table, a detection seat is slidably connected to the top of the detection table, the detection seat is screwedly connected to the lead screw, an infrared emitter and an industrial detection device are fixedly installed on the top of the detection seat, different specifications of seamless steel pipes are limited by a plurality of movable limiting rollers, the movable industrial detection device can comprehensively detect the one-turn seamless steel pipe, so that the detection efficiency and quality are improved, the seamless steel pipe does not need to be turned over twice, and the defect position can be marked in real time for processing, however, the device can only detect the outer wall surface of the steel pipe, cannot detect the defects of the inner wall of the steel pipe, the detection of the steel pipe is not comprehensive, and has certain limitations, therefore, the present application provides a seamless steel pipe surface defect detection device.

[0004] The above information disclosed in the background section of this document merely to understand the background of the inventive concept, and therefore, it can contain information that does not constitute prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a seamless steel pipe surface defect detection device to solve the problem that the device can only detect the outer wall surface of the steel pipe, cannot detect the defects of the inner wall of the steel pipe, the detection of the steel pipe is not comprehensive and has certain limitations.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of seamless steel tube surface defect detection device, including installation base plate, detection component, internal fixed component and external fixed component, detachable installation is provided with mounting plate in the upper end central position of the installation base plate, rotating screw post is rotatably arranged in the inside of the mounting plate, the output end of motor is connected with the right side of mounting plate in the one end of rotating screw post, fixed block is threadedly engaged in the side surface of rotating screw post, detection component is bolted and fixed in the upper end of fixed block, the detection component includes connecting plate, processing module is installed in the upper end right side of connecting plate, telescopic support column is installed in the upper end left side of connecting plate, detection mounting plate is fixedly arranged in the upper end of telescopic support column, detection head is fixedly installed in the upper end of detection mounting plate, light supplementing lamp is fixedly arranged in the upper end of detection mounting plate in the both sides of detection head, fixed plate is connected by support rod and be connected and be provided with in the left side of mounting plate in the upper end of installation base plate, drive motor is provided on the left side of fixed plate, internal fixed component is connected and arranged in the movable end of drive motor, two groups of telescopic hydraulic cylinders are symmetrically provided in the upper end right side of installation base plate, the same fixed plate is fixedly arranged in the upper end of telescopic hydraulic cylinder, the same drive motor is installed in the right end of right side fixed plate, external fixed component is connected and arranged in the left side output end of right side drive motor.

[0008] In some embodiments, the internal fixed component includes a fixed seat, the left side central position of the fixed seat is connected and arranged with the movable end of the left side drive motor, a plurality of disassembly plates are symmetrically detachably installed on the right side of the fixed seat, and the disassembly plates are integrally formed with a fixed mounting frame on the right side.

[0009] In some embodiments, a threaded rod is rotatably arranged in the inside of the fixed mounting frame, a connecting block is threadedly engaged on the side surface of the threaded rod, a fixed arc plate is connected by a connecting rod on the side away from the fixed seat of the connecting block, and the output end of a fixed motor on the side surface of the fixed mounting frame is connected with one end of the screw rod.

[0010] In some embodiments, the external fixed component includes a fixed sleeve, the right side of the fixed sleeve is connected and arranged with the movable end of the right side drive motor, four groups of threaded rods are threadedly engaged in the inside of the side wall of the fixed sleeve, a clamping plate is connected by a rotating sleeve on the one end of the threaded rod close to the center of the fixed sleeve, a handle is arranged on the other end of the threaded rod, the threaded rod is threadedly engaged on the inside of the fixed frame on the side surface, the fixed frame is welded on the side surface of the fixed sleeve, and a fastening nut is arranged on the threaded rod.

[0011] In some embodiments, the upper end of the mounting base is vertically provided with a mounting rack, the upper end of the mounting rack is horizontally and fixedly provided with a mounting top plate, the lower end of the mounting top plate is threadedly and drivenly provided with an adjusting assembly, the adjusting assembly comprises a telescopic cylinder, the lower end of the telescopic cylinder is fixedly provided with an adjusting rack, the adjusting rack is internally and rotatably provided with a stud, one end of the stud is connected with the output end of an adjusting motor, and the side surface of the stud is threadedly and engagedly provided with a mounting block.

[0012] In some embodiments, the lower end of the mounting block is detachably and boltedly connected with a detection assembly, the mounting block is internally and penetratively provided with a limiting rod, the limiting rod is fixedly arranged in the adjusting rack, the lower end of the mounting base is provided with a supporting column, and the front end of the mounting base is provided with a controller.

[0013] The utility model discloses the beneficial effects are:

[0014] Through the synergies of internal fixing assembly and external fixing assembly and cooperation detection assembly, the comprehensive detection of the inner and outer surfaces of the steel pipe can be realized, the internal fixing assembly supports and fixes the steel pipe from the inside, and the external fixing assembly clamps the steel pipe from the outside, so that the stability of the steel pipe during detection is ensured, and the accuracy of detection is ensured. The motor, telescopic hydraulic cylinder and telescopic cylinder in the device realize the automatic operation process, reduce manual intervention and improve detection efficiency. The design of the internal fixing assembly avoids the influence of the fixed structure on the external surface detection, and the adjustable clamp plate design of the external fixing assembly can firmly fix the steel pipe without leaving marks or damage on the surface of the steel pipe. The combination of the threaded rod, rotating sleeve and clamp plate ensures the accurate positioning of the steel pipe during detection, and the design of the driving motor driving the rotation of the steel pipe further ensures the comprehensiveness of the detection process. The driving motor drives the rotation of the steel pipe, so that the detection head can complete the comprehensive scanning of the inner and outer surfaces of the steel pipe, simplify the operation process and improve the detection speed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model proposes a kind of seamless steel pipe surface defect detection device structure schematic view;

[0016] Figure 2 The utility model proposes a kind of seamless steel pipe surface defect detection device detection assembly structure schematic view;

[0017] Figure 3 The utility model proposes a kind of seamless steel pipe surface defect detection device internal fixing assembly structure schematic view;

[0018] Figure 4 The utility model proposes a kind of seamless steel pipe surface defect detection device external fixing assembly structure schematic view;

[0019] Figure 5 The adjusting assembly structure diagram of the seamless steel pipe surface defect detection device is provided.

[0020] In the figure: 1 is a mounting bottom plate, 2 is a mounting plate, 3 is a detection assembly, 301 is a connecting plate, 302 is a processing module, 303 is a telescopic support column, 304 is a detection mounting plate, 305 is a detection head, 306 is a light supplementing lamp, 4 is an internal fixing assembly, 401 is a fixing seat, 402 is a dismounting plate, 403 is a fixed arc plate, 404 is a connecting rod, 405 is a screw rod, 406 is a fixing motor, 407 is a fixed mounting frame, 5 is an external fixing assembly, 501 is a fixing sleeve, 502 is a fixing frame, 503 is a threaded rod, 504 is a handle, 505 is a clamping plate, 506 is a fastening nut, 6 is an adjusting assembly, 601 is a telescopic cylinder, 602 is an adjusting frame, 603 is a limiting rod, 604 is a stud, 605 is an adjusting motor, 606 is a mounting block, 7 is a fixing plate, 8 is a driving motor, 9 is a telescopic hydraulic cylinder, 10 is a controller, 11 is a support column, 12 is a mounting frame, 13 is a mounting top plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0022] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provision", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Reference Figure 1 , 2, 3, 4, 5, a seamless steel pipe surface defect detection device, including installation base plate 1, detection assembly 3, internal fixed assembly 4 and external fixed assembly 5, the upper end of installation base plate 1 is detachably installed with mounting plate 2 in the central position, the inside of mounting plate 2 is rotatably provided with rotating stud, the one end of rotating stud is connected with the output end of motor on the right side of mounting plate 2, the side surface of rotating stud is threadedly engaged with fixed block, the upper end of fixed block is bolted with detection assembly 3, detection assembly 3 includes connecting plate 301, the upper end right side of connecting plate 301 is installed with processing module 302, the upper end left side of connecting plate 301 is installed with telescopic support column 303, the upper end of telescopic support column 303 is fixedly provided with detection mounting plate 304, the upper end of detection mounting plate 304 is fixedly installed with detection head 305, the both sides of detection head 305 are fixedly provided with light supplementing lamp 306 on the upper end of detection mounting plate 304, the upper end of installation base plate 1 is connected with fixed plate 7 on the left side of mounting plate 2 through support rod, the left side of fixed plate 7 is provided with driving motor 8, the movable end of driving motor 8 is connected with internal fixed assembly 4, the upper end right side of installation base plate 1 is symmetrically provided with two groups of telescopic hydraulic cylinders 9, the upper end of telescopic hydraulic cylinder 9 is fixedly provided with the same fixed plate 7, the right end of right fixed plate 7 is installed with the same driving motor 8, the left side output end of right driving motor 8 is connected with external fixed assembly 5, the steel pipe is fixed from the inside of the steel pipe through internal fixed assembly 4, the steel pipe is driven to rotate by left driving motor 8, and the outer surface of the steel pipe can be comprehensively detected in cooperation with detection assembly 3 on the upper end of installation base plate 1.

[0025] As shown in the specific implementation of the embodiment of the utility model, Figure 1 、 3 As shown in the specific implementation of the embodiment of the utility model,

[0026] As shown in the specific implementation of the embodiment of the utility model, Figure 1 、 4As shown, the external fixing assembly 5 includes a fixing sleeve 501, the right side of the fixing sleeve 501 is connected with the movable end of the right driving motor 8, four groups of threaded rods 503 are arranged in the inner wall of the fixing sleeve 501 in a threaded engagement mode, one end of the threaded rod 503 close to the center of the fixing sleeve 501 is connected with a clamping plate 505 through a rotating sleeve, the other end of the threaded rod 503 is provided with a rotating handle 504, the side surface of the threaded rod 503 is arranged in the inner wall of the fixing frame 502 in a threaded engagement mode, the fixing frame 502 is welded on the side of the fixing sleeve 501, the threaded rod 503 is provided with a fastening nut 506, the steel pipe is fixed from the outside of the steel pipe through the fixing sleeve 501 and the clamping plate 505, and the upper end adjusting assembly 6 and the detection assembly 3 are matched to detect the inner surface of the steel pipe, the overall detection of the steel pipe is effectively improved, the telescopic hydraulic cylinder 9 is arranged to adjust the height of the external fixing assembly 5, the upper end detection assembly 3 can normally detect the inner surface of the steel pipe, the right driving motor 8 drives the external fixing assembly and the fixed steel pipe to rotate, and the detection effect is ensured.

[0027] As shown in the embodiment of the utility model, Figure 1 、 5 As shown, the upper end of the mounting bottom plate 1 is vertically provided with a mounting frame 12, the mounting frame 12 is horizontally fixedly provided with a mounting top plate 13, the lower end of the mounting top plate 13 is provided with an adjusting assembly 6 in a threaded transmission mode, the adjusting assembly 6 includes a telescopic air cylinder 601, the lower end of the telescopic air cylinder 601 is fixedly provided with an adjusting frame 602, the adjusting frame 602 is rotatably provided with a threaded stud 604, one end of the threaded stud 604 is connected with the output end of an adjusting motor 605, the side surface of the threaded stud 604 is provided with a mounting block 606 in a threaded engagement mode, the lower end of the mounting block 606 is detachably connected with a detection assembly 3 through bolts, the mounting block 606 is provided with a limiting rod 603 in a penetrating mode, the limiting rod 603 is fixedly arranged in the adjusting frame 602, the lower end of the mounting bottom plate 1 is provided with a supporting column 11, the front end of the mounting bottom plate 1 is provided with a controller 10, the adjusting frame 602 can move left and right along the threaded transmission structure in the mounting top plate 13, and the detection assembly 3 at the upper end can effectively and comprehensively detect the inside of the steel pipe.

[0028] In this embodiment, the components are all standard components or components known to those skilled in the art, and the structure and connection principle are known to those skilled in the art through technical manuals or through conventional experimental methods. First, the seamless steel pipe is placed in the appropriate position of the detection device, and the internal fixing assembly 4 and the external fixing assembly 5 are respectively preliminarily positioned from the inside and outside of the steel pipe; when detecting the outer surface, loosen the external fixing assembly 5, start the left drive motor 8, and through the fixed seat 401, dismounting plate 402 and screw 405 and connecting rod 404 in the fixed mounting frame 407 in the internal fixing assembly 4 connected to the movable end of the left drive motor 8, drive the fixed arc plate 403 to stretch, so that the fixed arc plate 403 tightly abuts against the inner wall of the steel pipe, realize the stable support and fixation of the inside of the steel pipe, and ensure that the steel pipe will not displace during the detection process; the left drive motor 8 drives the steel pipe to rotate, so that the detection head 305 completes the scanning of the outer surface of the steel pipe. The light supplementing lamp 306 provides sufficient illumination conditions to help the detection head 305 clearly capture the information of the surface of the steel pipe;

[0029] When detecting the inner surface, the steel pipe is fixed by the external fixing assembly 5, and the internal fixing assembly 4 is loosened at the same time, and the height of the external fixing assembly 5 is adjusted to ensure that the detection assembly 3 can correctly contact the inner surface of the steel pipe; the position of the detection assembly 3 is adjusted by the adjusting assembly 6 (including the telescopic air cylinder 601 and the adjusting frame 602) to accurately align the part of the steel pipe to be detected, the adjusting motor 605 drives the stud 604 to rotate, the position of the mounting block 606 is changed through thread engagement, and then the position of the detection assembly 3 is adjusted, and the limiting rod 603 ensures the stability of the mounting block 606 when moving; the detection assembly 3 enters the inside of the steel pipe with the help of the adjusting assembly and remains stable under the action of the fixing assembly, so as to complete the detection of the inner surface;

[0030] The detected data is transmitted to the processing module 302 on the connecting plate 301 for analysis to identify possible defects or problems; after the detection is completed, the components return to the original position, the internal and external fixing assemblies loosen the steel pipe, and finally the detected steel pipe is taken out, and the next steel pipe to be detected is prepared to be placed, and the above process is repeated. The detection head 305 is composed of high-precision sensors (such as laser, infrared or photoelectric sensors) and is used for detecting surface defects of the steel pipe. The detection head 305 cooperates with the processing module 302 to realize real-time acquisition and defect identification; the processing module 302 is internally integrated with a data processing unit (such as CPU, FPGA or GPU) and a storage unit. The software algorithm built in the processing module 302 includes functions such as surface defect identification, image processing and data storage. The detection head 305 scans the outer surface of the steel pipe in a non-contact or contact manner to capture possible defects, and the processing module 302 receives the feedback signal of the detection head 305 and performs real-time analysis.

[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A seamless steel pipe surface defect detection device, comprising a mounting base plate (1), a detection assembly (3), an inner fixing assembly (4) and an outer fixing assembly (5), characterized in that: The upper end central position of the installation bottom plate (1) is detachably provided with an installation plate (2), the inside of the installation plate (2) is rotatably provided with a rotating stud, one end of the rotating stud is connected with the output end of the motor on the right side of the installation plate (2), the side surface of the rotating stud is threadedly engaged with a fixed block, the upper end of the fixed block is bolted with a detection assembly (3), the detection assembly (3) comprises a connecting plate (301), the upper end right side of the connecting plate (301) is provided with a processing module (302), the upper end left side of the connecting plate (301) is provided with a telescopic support column (303), the upper end of the telescopic support column (303) is fixedly provided with a detection mounting plate (304), the upper end of the detection mounting plate (304) is fixedly provided with a detection head (305), the two sides of the detection head (305) are fixedly provided with a fill light (306) on the upper end of the detection mounting plate (304), the upper end of the installation bottom plate (1) is connected with a fixed plate (7) on the left side of the installation plate (2) through a support rod, the left side of the fixed plate (7) is provided with a driving motor (8), the movable end of the driving motor (8) is connected with an internal fixed assembly (4), the upper end right side of the installation bottom plate (1) is symmetrically provided with two groups of telescopic hydraulic cylinders (9), the upper end of the telescopic hydraulic cylinder (9) is fixedly provided with the same fixed plate (7), the right end of the right side fixed plate (7) is provided with the same driving motor (8), the left side output end of the right side driving motor (8) is connected with an external fixed assembly (5).

2. The apparatus for detecting surface defects of a seamless steel pipe according to claim 1, wherein The internal fixed assembly (4) comprises a fixed seat (401), the left side central position of the fixed seat (401) is connected with the movable end of the left side driving motor (8), the right side of the fixed seat (401) is symmetrically detachably provided with a plurality of dismounting plates (402), the right side of the dismounting plate (402) is integrally provided with a fixed mounting frame (407).

3. The apparatus for detecting surface defects of a seamless steel pipe according to claim 2, wherein The inside of the fixed mounting frame (407) is rotatably provided with a screw rod (405), the side surface of the screw rod (405) is threadedly engaged with a connecting block, the side away from the fixed seat (401) of the connecting block is connected with a fixed arc plate (403) through a connecting rod (404), one end of the screw rod (405) is connected with the output end of the fixed motor on the side of the fixed mounting frame (407).

4. The apparatus for detecting surface defects of a seamless steel pipe according to claim 1, wherein The external fixing assembly (5) includes a fixing sleeve (501), the right side of the fixing sleeve (501) is connected with the movable end of the driving motor (8), the inner wall of the fixing sleeve (501) is provided with four groups of threaded rods (503) in threaded engagement, one end of the threaded rod (503) close to the center of the fixing sleeve (501) is connected with a clamping plate (505) through a rotating sleeve, the other end of the threaded rod (503) is provided with a rotating handle (504), the side surface of the threaded rod (503) is provided in threaded engagement on the inner wall of a fixing frame (502), the fixing frame (502) is welded on the side wall of the fixing sleeve (501), and the threaded rod (503) is provided with a fastening nut (506).

5. The apparatus for detecting surface defects of a seamless steel pipe according to claim 1, wherein The upper end of the mounting bottom plate (1) is vertically provided with a mounting frame (12), the upper end of the mounting frame (12) is horizontally fixedly provided with a mounting top plate (13), the lower end of the mounting top plate (13) is provided with an adjusting assembly (6) in threaded transmission, the adjusting assembly (6) includes a telescopic air cylinder (601), the lower end of the telescopic air cylinder (601) is fixedly provided with an adjusting frame (602), the adjusting frame (602) is rotatably provided with a threaded rod (604) in the inner wall, one end of the threaded rod (604) is connected with the output end of an adjusting motor (605), and the side surface of the threaded rod (604) is provided with a mounting block (606) in threaded engagement.

6. The apparatus for detecting surface defects of a seamless steel pipe according to claim 5, wherein The lower end of the mounting block (606) is detachably bolted with a detection assembly (3), the mounting block (606) is provided with a limiting rod (603) in penetration, the limiting rod (603) is fixedly arranged in the adjusting frame (602), the lower end of the mounting bottom plate (1) is provided with a supporting column (11), and the front end of the mounting bottom plate (1) is provided with a controller (10).

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