Defect detection equipment for steel member

Abstract

The utility model discloses defect detection equipment for steel members, which comprises a mounting plate, a handle is fixedly connected to the rear side of the top of the mounting plate, rollers are fixedly connected to four corners of the bottom of the mounting plate, a fixing structure is arranged at the top of the mounting plate, an automatic detection structure is arranged at the top of the fixing structure, and the automatic detection structure is connected with the handle. According to the defect detection equipment for the steel member, the automatic detection structure is arranged, so that the detection device automatically detects the steel member, inaccurate detection data caused by route deviation when a human body detects a welding seam is avoided, and under the action of two detector bodies, the detection accuracy is improved. According to the device, welding seams on the upper portions and the lower portions of the two sides of the steel members can be rapidly detected, the accuracy and the efficiency of the device are improved, the steel members of different sizes can be fixed by arranging a fixing structure, the device can detect the steel members in different environments, the steel members are prevented from sliding during detection, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel component defects, in particular to a steel component defect detection device. Background Art

[0002] When processing steel components, welding is usually used to connect the steel materials. Small cracks often occur during the welding process, affecting the welding strength. Therefore, after the processing and welding of the steel components are completed, a magnetic particle flaw detector is usually used to detect defects on the weld surface to avoid the presence of cracks affecting the weld strength.

[0003] According to patent document CN220525740U, the utility model discloses a defect detection device for steel components, including a detector body and a probe fixedly connected to the bottom end of the detector body, the bottom end of the detector body is provided with a protective structure for preventing the probe from being corroded, the protective structure includes a waterproof sleeve, both ends of the waterproof sleeve are fixedly connected with connecting rings, the outer wall of the bottom end of the detector body is sleeved with a fixing ring, the bottom end of the fixing ring is provided with multiple groups of connecting structures, and the top end of the fixing ring is provided with multiple groups of locking structures. The utility model provides a protective connection structure at the bottom end of the detector body, and protects the probe when not in use through the waterproof sleeve in the protective structure. At the same time, the fixing ring sleeved at the bottom end of the detector body cooperates with the connecting ring in the protective structure, and the positions of the fixing ring and the connecting ring are fixed by the connecting structure and the locking structure, so as to avoid corrosion of the probe by water vapor or dust in the natural environment when not in use;

[0004] Although the current traditional defect detection equipment for steel components is small, when inspecting the weld surface of steel components, the workers use the equipment to move the equipment by hand, which cannot achieve the effect of horizontal detection, resulting in inaccurate detection data, thus reducing the accuracy and working effect of the device. Utility Model Content

[0005] The purpose of the utility model is to provide a defect detection device for steel components to solve the problem raised in the above background technology that the current traditional defect detection device for steel components is small, but when inspecting the weld surface of the steel component, the worker uses the device to carry out mobile inspection by hand, which cannot achieve the effect of horizontal inspection, making the inspection data inaccurate, thereby reducing the accuracy and working effect of the device and the problem of low efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a defect detection device for steel components, comprising a mounting plate, a handle is fixedly connected to the rear side of the top of the mounting plate, rollers are fixedly connected to the four corners of the bottom of the mounting plate, rectangular mounting grooves are opened on the front and rear sides of the top of the mounting plate, a square mounting groove is opened on the left side of the rectangular mounting groove near the rear, a circular mounting hole penetrating to the square mounting groove is opened on the left side of the inner wall of the rectangular mounting groove at the rear, a fixing structure is fixedly connected to the inner wall of the rectangular mounting groove, and an automatic detection structure is arranged on the top of the fixing structure;

[0007] The fixing structure includes a stepper motor 1, the bottom of the stepper motor 1 is fixedly connected to the bottom of the inner wall of the square mounting groove, the output end of the stepper motor 1 is fixedly connected to a connecting shaft 1, the outer wall of the connecting shaft 1 is movably connected to the inner wall of the circular mounting hole, the right end of the connecting shaft 1 is fixedly connected to a bidirectional threaded rod, the middle position of the bidirectional threaded rod is movably connected to a support sleeve, the right end of the bidirectional threaded rod is rotatably connected to the right side of the inner wall of the right rectangular mounting groove, and the bottom of the support sleeve is fixedly connected to the bottom of the inner wall of the rectangular mounting groove;

[0008] The automatic detection structure includes a second stepper motor, the output end of the second stepper motor is fixedly connected to a second connecting shaft, the rear end of the second connecting shaft is fixedly connected to a spiral rod, the outer wall of the spiral rod is threadedly connected to a second slider, and the top of the second slider is fixedly connected to an adjustment component.

[0009] Preferably, the outer wall of the bidirectional threaded rod is symmetrically threadedly connected with two sliders 1, the top of the slider 1 is fixedly connected with an electric push rod 1, the top of the electric push rod 1 is fixedly connected with a groove body, the top rear side of the groove body is provided with a rectangular fixing groove, the top front side of the groove body is provided with a square fixing groove, the rear side of the inner wall of the square fixing groove is provided with a circular through hole that penetrates to the front side of the inner wall of the rectangular fixing groove, and the bottom front side of the groove body is fixedly connected with an electric push rod 2.

[0010] Preferably, the bottoms of the two electric push rods are fixedly connected with sliding sleeves, the inner walls of the two sliding sleeves are slidably connected with sliding rods, and the two ends of the sliding rods are fixedly connected to the inner walls of the front rectangular mounting groove.

[0011] Preferably, the bottom of stepper motor 2 is fixedly connected to the bottom of the inner wall of the square fixing groove, the outer wall of connecting shaft 2 is movably connected to the inner wall of the circular through hole, the rear end of the screw rod is rotationally connected to the rear side of the inner wall of the rectangular fixing groove, and the outer wall of slider 2 is slidingly connected to the inner wall of the rectangular mounting groove.

[0012] Preferably, the adjustment component includes an electric push rod three, the top of which is fixedly connected to a U-shaped support block, and circular movable holes penetrating to the outside are provided on the front and rear sides of the inner wall of the U-shaped support block.

[0013] Preferably, the inner walls of the two circular movable holes are movably connected with a rotating shaft, the front end of the front rotating shaft is fixedly connected with a stepper motor three, the front side of the electric push rod three is fixedly connected with an L-shaped block, and the opposite ends of the two rotating shafts are fixedly connected with a detector body.

[0014] Preferably, the bottom of the electric push rod three is fixedly connected to the top of the slider two, a rectangular connecting groove is opened on the rear side of the protrusion of the L-shaped block, and the bottom of the L-shaped block is fixedly connected to the bottom of the inner wall of the rectangular connecting groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By setting up an automatic detection structure, the detection device can automatically detect steel components, avoiding inaccurate detection data caused by route deviation when the human body detects the weld. With the help of two detector bodies, the welds on both sides of the steel component can be quickly detected, which improves the accuracy and efficiency of the device;

[0017] 2. By providing a fixed structure, steel components of different sizes can be fixed, so that the device can detect steel components in different environments, avoiding sliding of steel components during detection and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the fixed structure of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the automatic detection structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the structural section of the adjustment component of the utility model.

[0022] In the figure: 1. mounting plate; 2. handle; 3. roller; 4. fixing structure; 5. automatic detection structure; 41. stepper motor 1; 42. connecting shaft 1; 43. bidirectional threaded rod; 44. support sleeve; 45. slider 1; 46. electric push rod 1; 47. slot body; 48. electric push rod 2; 49. sleeve; 40. slide rod; 51. stepper motor 2; 52. connecting shaft 2; 53. screw rod; 54. slider 2; 55. adjustment component; 551. electric push rod 3; 552. U-shaped support block; 553. rotating shaft; 554. L-shaped block; 555. stepper motor 3; 556. detector body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 The utility model provides a technical solution: a defect detection device for steel components, including a mounting plate 1, a handle 2 is fixedly connected to the rear side of the top of the mounting plate 1, rollers 3 are fixedly connected to the four corners of the bottom of the mounting plate 1, rectangular mounting grooves are opened on the front and back sides of the top of the mounting plate 1, a square mounting groove is opened on the left side near the rear rectangular mounting groove, a circular mounting hole penetrating to the square mounting groove is opened on the left side of the inner wall of the rear rectangular mounting groove, a fixing structure 4 is fixedly connected to the inner wall of the rectangular mounting groove, and an automatic detection structure 5 is arranged on the top of the fixing structure 4.

[0025] See also Figure 2In order to enable the device to detect steel components in different environments and avoid the use effect of steel components sliding during detection, the fixed structure 4 includes a stepper motor 41, the bottom of the stepper motor 41 is fixedly connected to the bottom of the inner wall of the square mounting groove, the output end of the stepper motor 41 is fixedly connected to a connecting shaft 42, the outer wall of the connecting shaft 42 is movably connected to the inner wall of the circular mounting hole, the right end of the connecting shaft 42 is fixedly connected to a bidirectional threaded rod 43, the middle position of the bidirectional threaded rod 43 is movably connected to a support sleeve 44, and the bidirectional threaded rod 43 is fixedly connected to the inner wall of the circular mounting hole. The right end of the threaded rod 43 is rotatably connected to the right side of the inner wall of the right rectangular mounting groove, the bottom of the support sleeve 44 is fixedly connected to the bottom of the inner wall of the rectangular mounting groove, the outer wall of the bidirectional threaded rod 43 is symmetrically threaded with two sliders 45, the top of the slider 45 is fixedly connected to an electric push rod 46, the top of the electric push rod 46 is fixedly connected to a slot body 47, the top rear side of the slot body 47 is provided with a rectangular fixing groove, the top front side of the slot body 47 is provided with a square fixing groove, the inner wall rear side of the square fixing groove is provided with a through-hole extending to the front side of the inner wall of the rectangular fixing groove The bottom front side of the groove body 47 is fixedly connected with an electric push rod 48, and the bottoms of the two electric push rods 48 are fixedly connected with a sliding sleeve 49. The inner walls of the two sliding sleeves 49 are slidably connected with a sliding rod 40. The two ends of the sliding rod 40 are fixedly connected to the inner wall of the front rectangular installation groove. The stepper motor 41 is started and drives the connecting shaft 42 to rotate, thereby causing the bidirectional threaded rod 43 to rotate inside the support sleeve 44. The two sliders 45 on the surface of the bidirectional threaded rod 43 are simultaneously moved inward by the rotation of the support sleeve 44. The groove 47 is raised and lowered by the electric push rod 2 48 and the electric push rod 1 46, so that the bottom of the groove 47 can be fixed to steel components of different thicknesses, so that the device can achieve an adjustment effect and can fix steel components of different sizes, so that the device can detect steel components in different environments and avoid sliding of steel components during detection.

[0026] See also Figure 3-4In order to enable the device to accurately detect steel components, the automatic detection structure 5 includes a stepper motor 51, the output end of the stepper motor 51 is fixedly connected to a connecting shaft 52, the rear end of the connecting shaft 52 is fixedly connected to a screw rod 53, the outer wall of the screw rod 53 is threadedly connected to a slider 54, the top of the slider 54 is fixedly connected to an adjustment component 55, the bottom of the stepper motor 51 is fixedly connected to the bottom of the inner wall of the square fixing groove, the outer wall of the connecting shaft 52 is movably connected to the inner wall of the circular through hole, the rear end of the screw rod 53 is threadedly connected to the inner wall of the rectangular fixing groove, and the adjusting component 55 is fixedly connected to the bottom of the inner wall of the square fixing groove. The rear side of the wall is rotatably connected, the outer wall of the slider 2 54 is slidably connected to the inner wall of the rectangular mounting groove, the adjustment component 55 includes an electric push rod 3 551, the top of the electric push rod 3 551 is fixedly connected with a U-shaped support block 552, the front and rear sides of the inner wall of the U-shaped support block 552 are both provided with circular movable holes that penetrate to the outside, the inner walls of the two circular movable holes are movably connected with a rotating shaft 553, the front end of the front rotating shaft 553 is fixedly connected with a stepping motor 3 555, the front side of the electric push rod 3 551 is fixedly connected with an L-shaped block 554, and the opposite ends of the two rotating shafts 553 The detector body 556 is fixedly connected, the bottom of the electric push rod 3 551 is fixedly connected to the top of the slider 2 54, a rectangular connecting groove is provided on the rear side of the protrusion of the L-shaped block 554, and the bottom of the L-shaped block 554 is fixedly connected to the bottom of the inner wall of the rectangular connecting groove. By starting the stepper motor 2 51 to rotate the connecting shaft 2 52, the screw rod 53 is rotated, and the slider 2 54 is moved back and forth on the surface of the screw rod 53 and the inside of the rectangular fixed groove through the rotation of the screw rod 53, so that the detector body 556 can move horizontally. The accuracy of detection is improved. The stepper motor 555 is started and drives the rotating shaft 553 to rotate on the inner wall of the circular movable hole of the U-shaped support block 552, so that the detector body 556 is rotated to achieve the effect of angle adjustment. The electric push rod 551 is started to raise and lower the U-shaped support block 552, so that the detector body 556 can detect the weld above the steel component. With the two detector bodies 556, the upper and lower welds on both sides of the steel component can be quickly detected, thereby improving the working efficiency and practicality of the device.

[0027] Working principle:

[0028] The stepper motor 41 is started and drives the connecting shaft 42 to rotate, thereby causing the bidirectional threaded rod 43 to rotate inside the support sleeve 44. The support sleeve 44 is rotated to cause the two sliders 45 on the surface of the bidirectional threaded rod 43 to rotate inward and outward at the same time, thereby driving the electric push rod 46 at the top and the groove body 47, the electric push rod 48, and the sliding sleeve 49 to slide inward and outward on the surface of the slide rod 40 at the same time. The groove body 47 can be raised and lowered by the electric push rod 48 and the electric push rod 46, so that the bottom of the groove body 47 can fix steel components of different thicknesses, so that the device can achieve an adjustment effect, can fix steel components of different sizes, and enable the device to detect steel components in different environments, and avoid the steel components from sliding during detection;

[0029] By starting the stepper motor 2 51, the connecting shaft 2 52 is rotated, and then the screw rod 53 is rotated. The screw rod 53 is rotated to make the slider 2 54 move back and forth on the surface of the screw rod 53 and the inside of the rectangular fixed groove, so that the detector body 556 can move horizontally, thereby improving the accuracy of the detection. The stepper motor 3 555 is started and drives the rotating shaft 553 to rotate on the inner wall of the circular movable hole of the U-shaped support block 552, thereby causing the detector body 556 to rotate to achieve the effect of angle adjustment. The electric push rod 3 551 is started to make the U-shaped support block 552 rise and fall, so that the detector body 556 can detect the weld above the steel component. With the two detector bodies 556, the upper and lower welds on both sides of the steel component can be quickly detected, thereby improving the working efficiency and practicality of the device.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A defect detection device for a steel component, comprising a mounting plate (1), characterized in that: A handle (2) is fixedly connected to the rear side of the top of the mounting plate (1); rollers (3) are fixedly connected to the four corners of the bottom of the mounting plate (1); rectangular mounting grooves are provided on the front and rear sides of the top of the mounting plate (1); a square mounting groove is provided on the left side of the rectangular mounting groove near the rear; a circular mounting hole penetrating to the square mounting groove is provided on the left side of the inner wall of the rectangular mounting groove at the rear; a fixing structure (4) is fixedly connected to the inner wall of the rectangular mounting groove; and an automatic detection structure (5) is provided on the top of the fixing structure (4); The fixing structure (4) comprises a stepper motor (41), the bottom of the stepper motor (41) is fixedly connected to the bottom of the inner wall of the square mounting groove, the output end of the stepper motor (41) is fixedly connected to a connecting shaft (42), the outer wall of the connecting shaft (42) is movably connected to the inner wall of the circular mounting hole, the right end of the connecting shaft (42) is fixedly connected to a bidirectional threaded rod (43), the middle position of the bidirectional threaded rod (43) is movably connected to a support sleeve (44), the right end of the bidirectional threaded rod (43) is rotatably connected to the right side of the inner wall of the right rectangular mounting groove, and the bottom of the support sleeve (44) is fixedly connected to the bottom of the inner wall of the rectangular mounting groove; The automatic detection structure (5) comprises a second stepping motor (51), the output end of the second stepping motor (51) is fixedly connected to a second connecting shaft (52), the rear end of the second connecting shaft (52) is fixedly connected to a spiral rod (53), the outer wall of the spiral rod (53) is threadedly connected to a second sliding block (54), and the top of the second sliding block (54) is fixedly connected to an adjusting component (55).

2. A defect detection device for steel components according to claim 1, characterized in that: The outer wall of the bidirectional threaded rod (43) is symmetrically threadedly connected with two sliders (45); the top of the slider (45) is fixedly connected with an electric push rod (46); the top of the electric push rod (46) is fixedly connected with a slot body (47); the top rear side of the slot body (47) is provided with a rectangular fixing slot; the top front side of the slot body (47) is provided with a square fixing slot; the rear side of the inner wall of the square fixing slot is provided with a circular through hole penetrating to the front side of the inner wall of the rectangular fixing slot; the bottom front side of the slot body (47) is fixedly connected with an electric push rod (48).

3. A defect detection device for steel components according to claim 2, characterized in that: The bottoms of the two electric push rods (48) are fixedly connected with a sliding sleeve (49), the inner walls of the two sliding sleeves (49) are slidably connected with a sliding rod (40), and the two ends of the sliding rod (40) are fixedly connected with the inner wall of the front rectangular installation groove.

4. The defect detection device for steel components according to claim 1, characterized in that: The bottom of the second stepper motor (51) is fixedly connected to the bottom of the inner wall of the square fixing groove, the outer wall of the second connecting shaft (52) is movably connected to the inner wall of the circular through hole, the rear end of the screw rod (53) is rotatably connected to the rear side of the inner wall of the rectangular fixing groove, and the outer wall of the second slider (54) is slidably connected to the inner wall of the rectangular mounting groove.

5. The defect detection device for steel components according to claim 1, characterized in that: The adjustment component (55) comprises an electric push rod three (551), the top of which is fixedly connected to a U-shaped support block (552), and circular movable holes penetrating to the outside are provided on the front and rear sides of the inner wall of the U-shaped support block (552), and the bottom of the electric push rod three (551) is fixedly connected to the top of the slider two (54).

6. A defect detection device for steel components according to claim 5, characterized in that: The inner walls of the two circular movable holes are movably connected with a rotating shaft (553), the front end of the front rotating shaft (553) is fixedly connected with a stepping motor three (555), the front side of the electric push rod three (551) is fixedly connected with an L-shaped block (554), and the opposite ends of the two rotating shafts (553) are fixedly connected with a detector body (556).

7. A defect detection device for steel components according to claim 6, characterized in that: A rectangular connecting groove is provided on the rear side of the protrusion of the L-shaped block (554), and the bottom of the L-shaped block (554) is fixedly connected to the bottom of the inner wall of the rectangular connecting groove.

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