A slab inspection apparatus

By designing components such as toothed strips, hangers, and vibration recorders into the slab flaw detection equipment, multi-point impact and signal acquisition are achieved, solving the problem that existing equipment is difficult to accurately determine the internal fracture location of the slab, and improving the accuracy and flexibility of the detection.

CN119738471BActive Publication Date: 2025-11-28ANHUI SHOUGANG DACHANG METAL MATERIALS CO LTD
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Patent Information

Application Number
CN202411755574.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-28
Estimated Expiration
2044-12-03

AI Technical Summary

Technical Problem

When existing slab flaw detection equipment performs vibration testing at a selected location on the slab surface, it is difficult to accurately determine the longitudinal direction and location of internal fractures in the slab, resulting in insufficient detection accuracy.

Method used

A slab flaw detection device was designed. By installing toothed belts, hangers, lifting cylinders, adjusting frames and hammers on a conveyor, multi-point impact and vibration signal acquisition are achieved. Combined with a linear motor and vibration recorder, the impact points are automatically adjusted to improve detection accuracy.

Benefits of technology

It enables accurate determination of the fracture location inside the slab, improves the accuracy and flexibility of flaw detection, and can automatically select multiple impact points for detection.

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Abstract

The present application relates to the technical field of slab flaw detection, and discloses a slab flaw detection device.The slab flaw detection device comprises a conveyor, one side of the conveyor is provided with a support frame, the upper end of the support frame is fixedly provided with a flat seat, the surface of the conveyor is placed with a slab body, the surface of the flat seat is provided with a gear plate belt, the inside of both ends of the gear plate belt is provided with a ratchet wheel, the center line of the ratchet wheel is connected with a rotating motor, the surface of the gear plate belt is engagedly provided with a connecting seat, one side of the connecting seat is fixedly connected with a hanging bracket, and the upper surface of the hanging bracket is provided with a hanging seat.The hanging bracket is connected with the gear plate belt through the connecting seat, the gear plate belt moves with the connecting seat, which is convenient for adjusting the position of the knocking hammer, so that the next striking point is automatically selected, the internal damage of the slab is further determined, and the accuracy of judging the internal crack of the slab is improved by automatically selecting multiple striking points.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of slab flaw detection, in particular to a slab flaw detection equipment. BACKGROUND

[0002] Subcutaneous defects (including inclusions and pores) of the slab are extremely harmful to the surface quality of the rolled plate. These defects are crushed or deformed and exposed on the surface of the rolled plate during rolling, causing linear defects of the rolled plate, which greatly harms the surface quality of the rolled plate and the subsequent plating performance. The slab is widely used in the fields of automobile, shipbuilding, wind power, pressure vessel, high-rise building, oil pipeline, engineering machinery, hydropower engineering, highway, bridge construction, etc. The strengthening of continuous casting slab metal material mainly has two basic ways, one is to make a complete crystal without defects, so that its strength is close to the theoretical strength, and the other is to prevent the movement of dislocations in the defective metal crystal.

[0003] The current slab flaw detection equipment selects one position on the surface of the slab during flaw detection, generates resonance between the vibration instrument and the slab, and then detects the internal fracture of the slab by vibration detection. However, in the operation process, in order to more efficiently realize the flaw detection of the slab, one position on the surface of the slab is selected, which is not easy to accurately judge the longitudinal direction of the internal fracture of the slab, and the selected knocking point is insufficient, which reduces the accuracy of judging the internal fracture of the slab. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides a slab flaw detection equipment which can select multiple knocking points to judge the internal fracture position of the slab and has high accuracy.

[0006] (II) Technical solutions

[0007] In order to achieve the above-mentioned purpose of selecting multiple knocking points to judge the internal fracture position of the slab and having high accuracy, the present application provides the following technical solutions: a conveyor is provided, one side of the conveyor is provided with a support frame, the upper end of the support frame is fixedly provided with a flat seat, the surface of the conveyor is provided with a slab body, the surface of the flat seat is provided with a toothed belt, both ends of the toothed belt are internally provided with a ratchet wheel, the center line of the ratchet wheel is connected with a rotating motor, the surface of the toothed belt is meshingly provided with a connecting seat, one side of the connecting seat is fixedly connected with a hanging bracket, the upper surface of the hanging bracket is provided with a hanging seat, the surface of the hanging seat is vertically downwardly provided with a lifting cylinder, the lower end of the lifting cylinder is connected with a connecting plate, the bottom of the connecting plate is movably connected with an adjusting frame, the surface of the adjusting frame is provided with a connecting arm frame, the lower end of the connecting arm frame is provided with a linking frame, the surface of the linking frame is movably provided with a rotating seat, and the surface of the rotating seat is provided with a knocking hammer.

[0008] The left and right sides of the conveyor are fixedly provided with side guide rails, and the surfaces of the side guide rails are slidably provided with side moving seats, the inner sides of the side moving seats are fixedly connected with linear rails, the surfaces of the linear rails are provided with linear motor seats, the front sides of the linear motor seats are provided with vertical rails, the surfaces of the vertical rails are movably provided with mounting seats, the surfaces of the mounting seats are provided with vibration recorders, and the sides of the vibration recorders are provided with displays.

[0009] Preferably, the adjusting frame is rotatably connected between the shaft and the bottom of the connecting plate, and one side of the adjusting frame is fixedly connected with a driving motor.

[0010] Preferably, the adjusting frame is connected between the connecting arm frame and the connecting frame, and a bolt shaft is arranged between the connecting frame and the rotating seat.

[0011] Preferably, the connecting frame and the rotating seat are rotatably connected with each other through the bolt shaft, and the adjusting frame is left-right symmetrical about the center line of the connecting plate.

[0012] Preferably, the bottom of the hanging seat is provided with transmission lead screws for movement adjustment, and the hanging seat and the hanging frame are in sliding structure.

[0013] Preferably, the side moving seat and the side guide rail are slidably connected, and the linear motor seat and the linear guide rail are slidably connected.

[0014] Preferably, the front upper end of the linear motor seat is provided with a vertical lead screw, and the linear motor seat is connected with the mounting seat through the vertical lead screw.

[0015] Preferably, the toothed plate belt is connected between the connecting seat and the hanging frame, and the bottom of the connecting seat is slidably provided with a slide.

[0016] Preferably, the connecting seat and the toothed plate belt are in meshing connection structure, and the connecting seat and the slide are slidably connected.

[0017] Compared with the prior art, the present application provides a slab flaw detection device, which has the following advantages:

[0018] 1. A support frame is installed at one end of the conveyor, a toothed plate belt is arranged at the upper end of the support frame, the toothed plate belt is connected with the hanger through the connecting seat, the hanger is connected with the connecting plate at the lower end through the lifting cylinder, the adjusting frame is movably installed at the bottom of the connecting plate, the connecting arm frame is installed on the adjusting frame, the lower end of the connecting arm frame is connected with the knocking hammer through the connecting frame, the adjusting frame is driven to rotate through the driving motor, so that the connecting arm frame and the knocking hammer on the adjusting frame can knock the slab body on the conveyor from one side of the conveyor, and resonance is generated with the slab body and the inside of the slab when knocking, the vibration recorder arranged above can collect the vibration mark signal of the slab in situ, when the slab inside appears to be broken, the vibration signal will change, and then the broken position inside the slab is located.

[0019] 2. The hanger is connected with the toothed plate belt through the connecting seat, the toothed plate belt moves with the connecting seat, so that the position of the knocking hammer is adjusted, so that the next knocking point is automatically selected, the internal damage of the slab is further determined, a plurality of knocking points are automatically selected, the accuracy of judging the internal crack of the slab is improved, and with the movement of the hanger, the linear rail and the linear motor seat are matched with each other, so that the vibration recorder installed on the linear motor seat can move with the position of the hanger, and then the slab flaw detection is carried out. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure of the present application is shown in the schematic diagram.

[0021] Figure 2 The installation structure of the linear rail and the linear motor seat in the present application is shown in the schematic diagram.

[0022] Figure 3 The structure of the hanger in the present application is shown in the schematic diagram.

[0023] Figure 4 The second perspective view of the hanger in the present application is shown in the schematic diagram.

[0024] Figure 5 The structure of the linear motor seat in the present application is shown in the schematic diagram.

[0025] Figure 6 The structure of the support frame in the present application is shown in the schematic diagram.

[0026] Wherein: 1, conveyor; 2, side guide rail; 3, slab body; 4, side moving seat; 5, straight rail; 6, linear motor seat; 7, vertical rail; 8, mounting seat; 9, support frame; 10, flat seat; 11, toothed plate belt; 12, connecting seat; 13, hanging bracket; 14, slide; 15, vertical screw; 16, vibration recorder; 17, display; 18, hanging seat; 19, transmission screw; 20, lifting cylinder; 21, connecting plate; 22, adjusting frame; 23, drive motor; 24, connecting arm frame; 25, link frame; 26, rotating seat; 27, knocking hammer; 28, bolt shaft; 29, ratchet; 30, rotary motor. DETAILED DESCRIPTION

[0027] 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-6 A slab flaw detection equipment, including conveyor 1, one side of conveyor 1 is installed with support frame 9, and the upper end of support frame 9 is fixedly installed with flat seat 10, the surface of conveyor 1 is placed with slab body 3, the surface of flat seat 10 is provided with toothed plate belt 11, and the inside of both ends of toothed plate belt 11 is installed with ratchet 29, the center line of ratchet 29 is connected with rotary motor 30, the surface of toothed plate belt 11 is meshedly installed with connecting seat 12, one side of connecting seat 12 is fixedly connected with hanging bracket 13, and the upper surface of hanging bracket 13 is installed with hanging seat 18, toothed plate belt 11 is connected with hanging bracket 13 through connecting seat 12, and the inside of the bottom of connecting seat 12 is slidably installed with slide 14, the connecting structure between connecting seat 12 and toothed plate belt 11 is meshedly connected, and the sliding structure is formed by the mutual cooperation between connecting seat 12 and slide 14.

[0029] Specifically, rotary motor 30 drives ratchet 29 to rotate, the inner wall of toothed plate belt 11 is in sawtooth structure, so that toothed plate belt 11 and ratchet 29 form meshing structure, and the inside of connecting seat 12 is provided with toothed structure, so as to facilitate the fixed connection between toothed plate belt 11 and connecting seat 12 through meshing structure, so as to facilitate the movement of connecting seat 12 by toothed plate belt 11, and the position of hanging bracket 13 is adjusted.

[0030] The surface of the hanging seat 18 is vertically installed downward with a lifting cylinder 20, the lower end of the lifting cylinder 20 is connected with a connecting plate 21, the bottom of the connecting plate 21 is movably connected with an adjusting frame 22, the surface of the adjusting frame 22 is installed with a connecting arm frame 24, the lower end of the connecting arm frame 24 is installed with a connecting frame 25, and the surface of the connecting frame 25 is movably installed with a rotating seat 26, and the surface of the rotating seat 26 is provided with a knocking hammer 27;

[0031] The left and right sides of the conveyor 1 are fixedly installed with side guide rails 2, the surface of the side guide rails 2 is slidably installed with side moving seats 4, the inner side of the side moving seats 4 is fixedly connected with straight rails 5, the surface of the straight rails 5 is installed with straight motor seats 6, the front side of the straight motor seats 6 is installed with vertical rails 7, the surface of the vertical rails 7 is movably installed with mounting seats 8, the surface of the mounting seats 8 is installed with vibration recorders 16, one side of the vibration recorders 16 is installed with a display 17, the adjusting frame 22 is rotatably connected with the bottom of the connecting plate 21, one side of the adjusting frame 22 is fixedly connected with a drive motor 23, the adjusting frame 22 is connected with the connecting arm frame 24 and the connecting frame 25, the connecting frame 25 and the rotating seat 26 are provided with a bolt shaft 28, the connecting frame 25 and the rotating seat 26 are rotatably connected through the bolt shaft 28, and the adjusting frame 22 is left-right symmetrical about the center line of the connecting plate 21;

[0032] Specifically, the adjusting frame 22 has a rotating property through the rotating structure between the adjusting frame 22 and the bottom of the connecting plate 21, the drive motor 23 drives the adjusting frame 22 to rotate, and then the knocking hammer 27 installed below the adjusting frame 22 can realize the knocking operation, secondly, the knocking angle of the knocking hammer 27 on the rotating seat 26 is adjusted through the rotating structure between the rotating seat 26 and the bolt shaft 28, so that the knocking accuracy is improved.

[0033] The bottom of the hanging seat 18 is installed with transmission lead screws 19 for moving adjustment, the hanging seat 18 and the hanging frame 13 are in a sliding structure, the side moving seat 4 and the side guide rail 2 are slidably connected, the straight motor seat 6 and the straight guide rail are slidably connected, the front upper end of the straight motor seat 6 is installed with a vertical lead screw 15, and the straight motor seat 6 is connected with the mounting seat 8 through the vertical lead screw 15;

[0034] Specifically, a pulley is arranged in the side moving seat 4, so that the side moving seat 4 and the side guide rail 2 are matched with each other and move along the side guide rail 2, thereby adjusting the detection position of the vibration recorder 16 and improving the operation flexibility, the vertical lead screw 15 is arranged to adjust the vibration recorder 16 on the mounting seat 8 to approach the surface of the slab body 3 for vibration detection.

[0035] In use, first, the blank body 3 is placed on the conveyor 1, and the blank body 3 is conveyed to the other end of the conveyor 1 by the conveyor 1, the lifting cylinder 20 lowers the height of the connecting plate 21, so that the knocking hammer 27 below the connecting plate 21 approaches one side of the blank body 3, at the same time, according to the distance between the knocking hammer 27 and the blank body 3, the position of the hanging seat 18 is adjusted by the transmission screw 19, further approaching the blank body 3, secondly, the driving motor 23 drives the adjusting frame 22 to rotate, the adjusting frame 22 drives the knocking hammer 27 on the lower end connecting frame 25 to move through the setting of the connecting arm frame 24, the knocking hammer 27 will realize the knocking operation on the blank, when knocking, resonance is generated with the blank body 3 and the inside of the blank, the vibration recorder 16 arranged above will collect the vibration signal of the blank on site, when the fracture occurs inside the blank, the vibration signal will change, and then the fracture position inside the blank is located, secondly, the rotary motor 30 drives the ratchet wheel 29 to rotate, the ratchet wheel 29 drives the gear plate belt 11 to rotate, the gear plate belt 11 drives the connecting seat 12 to move, the connecting seat 12 drives the hanging bracket 13 to move, and then the position of the knocking hammer 27 is adjusted, so that the next knocking point is automatically selected, through the driving of the connecting seat 12 by the gear plate belt 11, multiple knocking points are automatically selected, the accuracy of judging the fracture condition inside the blank is improved, when the hanging bracket 13 moves, the linear guide rail 5 and the linear motor seat 6 cooperate with each other, drive the vibration recorder 16 on the linear motor seat 6 to move with the position of the hanging bracket 13, cooperate with the knocking hammer 27 to detect the flaw of the blank.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slab inspection apparatus comprising a conveyor (1), characterized in that: The conveyor (1) is provided with a support frame (9) on one side, and a flat seat (10) is fixedly installed on the upper end of the support frame (9), the surface of the conveyor (1) is provided with a slab body (3), the surface of the flat seat (10) is provided with a gear plate belt (11), and the inside of both ends of the gear plate belt (11) is provided with a ratchet wheel (29), the center line of the ratchet wheel (29) is connected with a rotary motor (30), the surface of the gear plate belt (11) is engagedly provided with a connecting seat (12), one side of the connecting seat (12) is fixedly connected with a hanging bracket (13), and the upper surface of the hanging bracket (13) is provided with a hanging seat (18), the gear plate belt (11) is connected with the hanging bracket (13) through the connecting seat (12), and the inside of the bottom of the connecting seat (12) is slidably provided with a slide (14), the connecting seat (12) and the gear plate belt (11) are in engagement connection, and the connecting seat (12) and the slide (14) are matched to form a sliding structure, both sides of the bottom of the hanging seat (18) are provided with transmission lead screws (19) for movement adjustment, and the hanging seat (18) and the hanging bracket (13) are in sliding structure, the surface of the hanging seat (18) is provided with a lifting cylinder (20) vertically downward, the lower end of the lifting cylinder (20) is connected with a connecting plate (21), the bottom of the connecting plate (21) is movably connected with an adjusting frame (22), and the surface of the adjusting frame (22) is provided with a connecting arm frame (24), the adjusting frame (22) is rotatably connected with the bottom of the connecting plate (21) through a shaft, and one side of the adjusting frame (22) is fixedly connected with a driving motor (23), the rotating structure between the adjusting frame (22) and the bottom of the connecting plate (21) enables the adjusting frame (22) to rotate, the driving motor (23) drives the adjusting frame (22) to rotate, and then a knocking hammer (27) installed below the adjusting frame (22) realizes the knocking operation, the lower end of the connecting arm frame (24) is provided with a connecting frame (25), and the surface of the connecting frame (25) is movably provided with a rotating seat (26), the adjusting frame (22) is connected with the connecting frame (25) through the connecting arm frame (24), and the connecting frame (25) and the rotating seat (26) are provided with a bolt shaft (28), the connecting frame (25) and the rotating seat (26) are rotatably connected through the bolt shaft (28), the adjusting frame (22) is left-right symmetrical about the center line of the connecting plate (21), and the surface of the rotating seat (26) is provided with the knocking hammer (27); Both left and right sides of the conveyor (1) are fixedly installed with side guide rails (2), and the surface of the side guide rails (2) is slidably installed with side moving seats (4), the inner side of the side moving seats (4) is fixedly connected with linear rails (5), and the surface of the linear rails (5) is installed with linear motor seats (6), the front side of the linear motor seats (6) is installed with vertical rails (7), and the surface of the vertical rails (7) is movably installed with mounting seats (8), the surface of the mounting seats (8) is installed with vibration recorders (16), and one side of the vibration recorders (16) is installed with displays (17).

2. A slab inspection apparatus according to claim 1, characterized by: The side moving seats (4) and the side guide rails (2) are slidably connected, and the linear motor seats (6) and the linear rails are slidably connected.

3. A slab inspection apparatus according to claim 1, characterized by: The front side upper end of the linear motor seat (6) is installed with a vertical screw rod (15), and the linear motor seat (6) is connected with the mounting seat (8) through the vertical screw rod (15).

Citation Information

Patent Citations

  • Automatic detection device for quality of brake pad

    CN101592631A

  • Disc brake pad internal defect detection device based on sounds

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