Magnetic defect detector convenient to use

Abstract

The utility model discloses a convenient-to-use magnetic defect detector, and relates to the technical field of magnetic defect detectors, the convenient-to-use magnetic defect detector comprises a defect detector main body, first connecting blocks are symmetrically and fixedly arranged on the inner side surface of the defect detector main body, and a first supporting assembly used for supporting the defect detector main body to detect a columnar workpiece is arranged between the two first connecting blocks; the outer surface of the flaw detector body is provided with a second supporting assembly used for supporting the flaw detector body to detect plane workpieces, the flaw detector body is fixed through the supporting assembly and the adjusting structure, when a cylindrical workpiece is detected, the flaw detector can be fixed and assisted to move through the first supporting assembly and the pulley, and when a rectangular workpiece is detected, the detection efficiency is improved. Through cooperation of the second supporting plate, the cross rod and other components, height adjustment and horizontal movement of the flaw detector are achieved, it is avoided that an operator holds the flaw detector by hand for a long time, hand discomfort is effectively relieved, and the operation comfort degree is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of magnetic particle flaw detectors, in particular to a magnetic particle flaw detector convenient to use. BACKGROUND

[0002] The magnetic particle flaw detector is a device for detecting the surface and near-surface defects of ferromagnetic materials by using magnetic particles, and the flaw detector applies magnetic particles to the surface of the detected object, the magnetic particles are adsorbed to the defects under the action of a magnetic field to form aggregation, and the aggregated magnetic particles show the shape and position of the defects, so that the detected person can observe.

[0003] In the operation process of the magnetic particle flaw detector, the workpiece to be measured needs to be comprehensively detected, after the magnetic particles are applied on the surface of the workpiece, the magnetic particle flaw detector needs to be held to measure the surface of the workpiece back and forth for multiple times, so as to observe the change of the magnetic particles on the surface of the workpiece, and to judge whether the workpiece has small damage, since most of the workpiece surfaces are mainly two kinds, one is a surface level, and the other is a surface arc, since the magnetic particle flaw detector needs to be held for a long time to measure, the quality of the magnetic particle flaw detector is heavy, and long-time holding of the hand is easy to cause hand discomfort, thereby affecting the measurement accuracy, therefore, the application provides a magnetic particle flaw detector convenient to use. CONTENT OF THE INVENTION

[0004] In order to improve the problem that the magnetic particle flaw detector is held for a long time during measurement, which is easy to cause hand discomfort and is inconvenient to use, the application provides a magnetic particle flaw detector convenient to use.

[0005] The magnetic particle flaw detector convenient to use provided by the application adopts the following technical scheme:

[0006] The magnetic particle flaw detector convenient to use comprises a flaw detector main body, the inner side of the flaw detector main body is symmetrically and fixedly provided with a first connecting block, a first supporting assembly for supporting the flaw detector main body to detect a columnar workpiece is arranged between the two first connecting blocks, and the outer surface of the flaw detector main body is provided with a second supporting assembly for supporting the flaw detector main body to detect a planar workpiece.

[0007] By adopting the above technical scheme, the first supporting assembly is used to assist the flaw detector main body in detecting the surface of the columnar workpiece, and the second supporting assembly is used to detect the surface of the planar workpiece, so that the convenience of the flaw detector main body during detection is improved.

[0008] Preferably, the bottom of the flaw detector body is symmetrically connected with magnetic heads, the ends of the two magnetic heads abut against the cylindrical workpiece, the first support assembly comprises plug-in plates inserted with the first connecting blocks, the inner sides of the two plug-in plates are provided with insertion grooves, the two plug-in plates are fixedly connected with fixed plates, the bottoms of the two fixed plates are provided with support frames, the two ends of the support frame are symmetrically screw-connected with second threaded columns, the ends of the two second threaded columns are rotatably connected with first fixed blocks, the two first fixed blocks are fixedly penetrated with horizontal shafts, and the two ends of the horizontal shafts are fixedly connected with pulleys rotatably connected with the side surface of the cylindrical workpiece.

[0009] By adopting the above technical scheme, the plug-in plates are inserted with the first connecting blocks in the inner side of the flaw detector body, the assembly installation is realized, and the position of the first support assembly can be flexibly adjusted through the cooperation of the support frame at the bottom of the fixed plate, the second threaded column, the fixed block and the pulley. The pulley moves on the side surface of the cylindrical workpiece, so that the entire detection device can move with the cylindrical workpiece, and the use of the device is facilitated.

[0010] Preferably, the ends of the fixed plates are screw-connected with first threaded rods, the bottom ends of the first threaded rods are rotatably connected with connecting columns fixedly connected with the top ends of the support frames, the top ends of the first threaded rods are fixedly connected with first rotating blocks, and the ends away from the first fixed blocks of the two second threaded columns are fixedly connected with second rotating blocks.

[0011] By adopting the above technical scheme, the height of the first support assembly can be adjusted through the rotation of the first rotating block under the action of the first threaded rod and the connecting column, and the distance between the two pulleys can be adjusted through the second rotating block, so that the cylindrical workpiece of different diameters can be adapted.

[0012] Preferably, the second support assembly comprises a base, a rectangular workpiece is mounted on the top of the base, a first support plate is fixedly connected to one side of the top of the base, a second support block is fixedly connected to one side of the top of the first support plate, a first sliding groove is formed in one side of the second support block, a first sliding block is slidably connected in the first sliding groove, and a second support plate is fixedly connected to the first sliding block.

[0013] By adopting the above technical scheme, the second support block and the second support plate can be stably vertically lifted under the action of the second sliding groove and the first sliding block.

[0014] Preferably, an electric push rod whose one end is fixedly connected to the second support plate is fixedly connected to the other side of the top of the first support plate.

[0015] By adopting the above technical scheme, the extension of the electric push rod can adjust the height of the support plate.

[0016] Preferably, the top corner of the second support plate is hingedly connected with a crossbar, the inside of the crossbar is provided with a second sliding groove, a second sliding block is slidably connected in the second sliding groove, and one end of the crossbar is fixedly connected with a handle bar.

[0017] By adopting the above technical scheme, the handle bar is convenient to install and operate the crossbar.

[0018] Preferably, the bottom of the second sliding block is fixedly connected with a second connecting block, the second connecting block is hingedly connected with a second fixed block, the bottom of the second fixed block is fixedly connected with a first clamping plate, one side of the first clamping plate is rotatably connected with a second threaded rod, and the second threaded rod is threadedly connected with a second clamping plate.

[0019] By adopting the above technical scheme, the cooperation of the first clamping plate and the second clamping plate can clamp and fix the flaw detector main body.

[0020] Preferably, the top of the first clamping plate is symmetrically provided with a limiting groove, and the top of the second clamping plate is symmetrically fixedly connected with a limiting block for plugging the limiting groove.

[0021] By adopting the above technical scheme, the cooperation of the limiting groove and the limiting block can play a role in stabilizing the assembly.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The flaw detector main body is fixed by the support assembly and the adjusting structure, when detecting the cylindrical workpiece, the first support assembly and the pulley can fix and assist the movement of the flaw detector, when detecting the rectangular workpiece, the cooperation of the second support plate, the crossbar and other components can realize the height adjustment and horizontal movement of the flaw detector, which avoids the long-time hand holding of the flaw detector by the operator, effectively reduces the hand discomfort, and improves the operation comfort.

[0024] 2. The support assembly and the adjusting structure realize the stable support and flexible movement of the flaw detector main body, the flaw detector can more accurately move along the surface of the workpiece to perform the flaw detection operation, when detecting the outer periphery of the cylindrical workpiece and the upper surface of the rectangular workpiece, the stable operation of the flaw detector can be ensured, the operation deviation caused by hand fatigue can be reduced, and the accuracy of observing the magnetic powder change on the surface of the workpiece is improved, so that whether the workpiece has a small damage can be more accurately judged. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a top view structural schematic diagram of the second support assembly as a whole of the present application file;

[0026] Figure 2 It is a side view structural schematic diagram of the first support assembly as a whole of the present application file;

[0027] Figure 3It is the structural schematic view of the first support assembly of the application file;

[0028] Figure 4 It is the local structural schematic view of the second support assembly of the application file;

[0029] Figure 5 It is the structural schematic view of the first clamping plate and the second clamping plate of the application file.

[0030] Reference signs: 1, flaw detector main body; 101, magnetic head; 102, first connecting block; 103, slot; 2, cylindrical workpiece;

[0031] 3, first support assembly; 301, plugboard; 302, fixed plate; 303, first threaded rod; 304, first rotating block; 305, connecting column; 306, support frame; 307, second threaded column; 308, second rotating block; 309, first fixed block; 310, horizontal shaft; 311, pulley;

[0032] 4, second support assembly; 401, base; 4010, rectangular workpiece; 402, first support plate; 403, support block; 404, first sliding groove; 405, first sliding block; 406, second support plate; 407, electric push rod; 408, horizontal rod; 409, second sliding groove;

[0033] 410, second sliding block; 411, handle rod; 412, second connecting block; 413, second fixed block; 414, first clamping plate; 4140, limiting groove; 415, second threaded rod; 416, second clamping plate; 417, limiting block. DETAILED DESCRIPTION

[0034] The following will be combined with the Figures 1-5 The application will be further described in detail.

[0035] The "up, down, left, right" perspective of the device is based on Figure 1 The direction of the drawing is the reference

[0036] The embodiment of the application discloses a magnetic particle flaw detector convenient to use.

[0037] Referring to Figure 2 As shown in the figure, a magnetic particle flaw detector convenient to use, comprising a flaw detector main body 1, the inner side of the flaw detector main body 1 is symmetrically fixed and installed with a first connecting block 102 through a bolt, the first connecting block 102 is made of high-hardness plastic, the inner side of the first connecting block 102 is provided with a slot 103, a first support assembly 3 for supporting the flaw detector main body 1 to detect a cylindrical workpiece 2 is installed between the two first connecting blocks 102, the bottom of the flaw detector main body 1 is fixedly connected with a magnetic head 101 with an arc-shaped bottom end, the end portions of the two magnetic heads 101 abut against the outer peripheral surface of the cylindrical workpiece 2.

[0038] First, the first support assembly 3 is inserted at the slot 103 on the inner side of the first connecting block 102, so as to realize the assembly of the first support assembly 3 and the flaw detector main body 1.

[0039] Referring to Figure 2 , Figure 3 , the first support assembly 3 comprises an insert plate 301 with anti-skid grooves on the top, the insert plate 301 is inserted with the slot 103 on the inner side of the first connecting block 102, two insert plates 301 are fixedly connected with a fixed plate 302 with a threaded hole on one end of the top, the end of the fixed plate 302 is threadedly connected with a first threaded rod 303 at the threaded hole, the bottom end of the first threaded rod 303 is rotatably connected with the top end of a connecting column 305, the bottom end of the connecting column 305 is fixedly connected with the top end of a support frame 306, the top end of the first threaded rod 303 is fixedly connected with a first rotating block 304 on one side of the flaw detector main body 1, the support frame 306 is symmetrically provided with threaded connection holes at both ends, the support frame 306 is threadedly connected with a second threaded column 307 at the threaded connection hole, one end of the two second threaded columns 307 is fixedly connected with a first fixed block 309 penetrating a horizontal shaft 310, both ends of the horizontal shaft 310 are rotatably connected with a pulley 311, the outer circumferential surface of the pulley 311 abuts against the outer surface of the cylindrical workpiece 2, the end of the two second threaded columns 307 away from the first fixed block 309 is fixedly connected with a second rotating block 308 with an arc-shaped end.

[0040] By rotating the first rotating block 304, the first threaded rod 303 is driven to rotate on the fixed plate 302, so as to adjust the height of the flaw detector main body 1, so that the magnetic head 101 of the flaw detector main body 1 can abut against the outer circumferential surface of the cylindrical workpiece 2, then, the second rotating block 308 is rotated, so that the second threaded column 307 is rotated on the support frame 306, thereby driving the first fixed block 309 to move inward, so that the pulleys 311 on both sides of the first fixed block 309 can be attached to the outer circumferential surface of the cylindrical workpiece 2, so that the entire first support assembly 3 can be fixed on the outer surface of the cylindrical workpiece 2, at this time, by moving the flaw detector main body 1, under the action of the pulley 311, the flaw detector main body 1 can be assisted to detect the outer circumferential surface of the cylindrical workpiece 2 for a long time, thereby achieving the effect of convenient use.

[0041] Referring to Figure 1 , Figure 3 , Figure 5As shown, the outer surface of the flaw detector main body 1 is provided with a second support assembly 4 for supporting the flaw detector main body 1 to detect the flat workpiece, the second support assembly 4 comprises a base 401, the top of the base 401 is provided with a rectangular workpiece 4010, one side of the top of the base 401 is fixedly connected with a first support plate 402 which is overall inclined, one side of the top of the first support plate 402 is fixedly connected with a second support block 403 which is internally provided with a first sliding groove 404, the first sliding groove 404 is internally slidably connected with a first sliding block 405, one end of the first sliding block 405 is fixedly connected with a second support plate 406 which is slidably connected with the side surface of the second support block 403.

[0042] The base 401 is slidably connected with the first sliding block 405 at the bottom of the second support plate 406 through the second support block 403 at the top of the first support plate 402, so as to assemble the base 401, the first support plate 402 and the second support plate 406.

[0043] Referring to Figure 1 , Figure 3 , Figure 5 As shown, the top of the first support plate 402 is fixedly connected with the mounting end of the electric push rod 407 at one side of the second support block 403, the telescopic end of the electric push rod 407 is fixedly connected with one side at the bottom of the second support plate 406, the top end of the second support plate 406 is hingedly connected with a cross bar 408, one side of the cross bar 408 is attached to the top surface of the second support plate 406, the inside of the cross bar 408 is horizontally provided with a second sliding groove 409, the second sliding groove 409 is slidably connected with a second sliding block 410, the end of the cross bar 408 away from the second support plate 406 is fixedly connected with a handle 411, the bottom of the second sliding block 410 is fixedly connected with a second connecting block 412 which is provided with a circular hole at the end, the second connecting block 412 is hingedly connected with a second fixed block 413 at the circular hole, the bottom of the second fixed block 413 is fixedly connected with a first clamping plate 414 for clamping and fixing the flaw detector main body 1, one side of the first clamping plate 414 is provided with a circular hole, the circular hole is rotatably connected with a second threaded rod 415, the second threaded rod 415 is threadedly connected with a second clamping plate 416 for clamping and fixing the flaw detector main body 1, the top of the first clamping plate 414 is symmetrically provided with a limiting groove 4140, the top of the second clamping plate 416 is symmetrically fixedly connected with a limiting block 417, and the limiting block 417 is inserted into the limiting groove 4140.

[0044] By rotating the second threaded rod 415, the second clamping plate 416 is moved along the axial direction of the second threaded rod 415 under the action of the second threaded rod 415, so that the limiting block 417 at the top of the second clamping plate 416 is inserted into the limiting groove 4140 at the top of the first clamping plate 414, thereby achieving clamping of the flaw detector main body 1. After the electric push rod 407 is connected to the power supply, the processor of the PLC control board is powered on to make the relay work. The relay controls the extension and retraction of the electric push rod 407 according to the signal of the PLC control board, thereby adjusting the height of the second support plate 406 and realizing the movement of the second support plate 406 in the vertical direction, so as to adjust the height of the flaw detector main body 1. The magnetic head 101 at the bottom of the flaw detector main body 1 is attached to the upper surface of the rectangular workpiece 4010. The horizontal rod 408 is hinged to a corner at the top end of the second support plate 406. The horizontal rod 408 rotates around the hinge point, so that the flaw detector main body 1 at the bottom can be lifted up. At the same time, the second sliding block 410 can slide in the second sliding groove 409 inside the horizontal rod 408. By pushing the second connecting block 412, the second connecting block 412 and the flaw detector main body 1 below are moved in the horizontal direction on the upper surface of the rectangular workpiece 4010 under the action of the second sliding block 410, thereby assisting the detection of the flaw detector main body 1 on the upper surface of the rectangular workpiece 4010, and achieving the effect of assisting use.

[0045] It should be noted that the electric push rod 407 adopts an Andite ANT-45 AC electric push rod 407. The circuit control of the electric push rod 407 mainly comprises a power supply, a PLC control board, a relay and a body of the electric push rod 407. After the electric push rod 407 is connected to the power supply, the PLC control board is integrated with a communication module to interact with external interactive devices, control the start, stop and direction of the electric push rod 407, and the electric push rod 407, the power supply, the PLC control board, the relay and the connecting line are prior art and mature, so the specific connection relationship will not be described in detail. The existing connection assembly can be installed and used.

[0046] The implementation principle of the magnetic particle flaw detector according to an embodiment of the present application is that the flaw detector main body 1 is used to carry out flaw detection work on the surface of the cylindrical and rectangular workpiece 4010 under the action of the first support assembly 3 and the second support assembly 4. When detecting the cylindrical workpiece 2, the first support assembly 3 is inserted into the first connecting block 102, the height of the flaw detector main body 1 is adjusted by rotating the first rotating block 304, the magnetic head 101 abuts against the outer periphery of the cylindrical workpiece 2, and then the second rotating block 308 is rotated to drive the pulley 311 to abut against the outer peripheral surface of the cylindrical workpiece 2, so as to fix the support assembly. The flaw detector main body 1 moves along the outer periphery of the workpiece under the auxiliary action of the pulley 311.

[0047] When the rectangular workpiece 4010 is detected, the second threaded rod 415 is rotated, the second clamping plate 416 is matched with the first clamping plate 414 to clamp the flaw detector main body 1, the electric push rod 407 is connected with the power supply, the height of the second supporting plate 406 is adjusted, the magnetic head 101 is attached to the upper surface of the rectangular workpiece 4010, the cross rod 408 is rotated around the hinge point to lift the flaw detector main body 1, the second connecting block 412 is pushed, the flaw detector main body 1 is driven by the second sliding block 410 to move horizontally on the upper surface of the rectangular workpiece 4010, and the surface flaw detection work of the auxiliary flaw detector main body 1 on the rectangular workpiece 4010 is assisted.

[0048] The above is only optional embodiments of the present disclosure, and is not used to limit the present disclosure. For those skilled in the art, the present disclosure can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A magnetic particle flaw detector which is convenient to use, characterized in that: Including flaw detector main body (1), the inner side of the flaw detector main body (1) is symmetrically provided with first connecting block (102), and first support assembly (3) for supporting flaw detector main body (1) and detecting column type workpiece (2) is arranged between two first connecting blocks (102); The outer surface of the flaw detector main body (1) is provided with a second support assembly (4) for supporting the flaw detector main body (1) and detecting a flat workpiece.

2. A magnetic particle instrument as defined in claim 1, wherein: The bottom of the flaw detector main body (1) is symmetrically connected with a magnetic head (101), the ends of the two magnetic heads (101) abut against a cylindrical workpiece (2), the first support assembly (3) comprises an insert plate (301) inserted with the first connecting block (102), the inner side of the two insert plates (301) is provided with an insertion slot (103), the two fixed plates (302) are fixedly connected between the two insert plates (301), the bottom of the two fixed plates (302) is provided with a support frame (306), the two ends of the support frame (306) are symmetrically screw-connected with a second threaded column (307), the ends of the two second threaded columns (307) are rotatably connected with a first fixed block (309), the two first fixed blocks (309) are fixedly penetrated with a horizontal shaft (310), the two ends of the horizontal shaft (310) are symmetrically fixedly connected with a pulley (311) rotatably connected with the side surface of the cylindrical workpiece (2).

3. A magnetic particle instrument as defined in claim 2, wherein: The end of the fixed plate (302) is screw-connected with a first threaded rod (303), the bottom end of the first threaded rod (303) is rotatably connected with a connecting column (305) fixedly connected with the top end of the support frame (306), the top end of the first threaded rod (303) is fixedly connected with a first rotating block (304), one end of the second threaded column (307) away from the first fixed block (309) is fixedly connected with a second rotating block (308).

4. The magnetic particle instrument of claim 1, wherein: The second support assembly (4) comprises a base (401), the top of the base (401) is provided with a rectangular workpiece (4010), one side of the top of the base (401) is fixedly connected with a first support plate (402), one side of the top of the first support plate (402) is fixedly connected with a second support block (403), one side of the second support block (403) is provided with a first sliding groove (404), the inside of the first sliding groove (404) is slidably connected with a first sliding block (405), and the first sliding block (405) is fixedly connected with a second support plate (406).

5. A magnetic particle instrument as defined in claim 4, wherein: The top of the first support plate (402) is fixedly connected with an electric push rod (407) fixedly connected with the second support plate (406) on one side of the second support block (403).

6. A magnetic particle instrument as defined in claim 5, wherein: The top end of the second support plate (406) is hingedly connected with a horizontal rod (408), the inside of the horizontal rod (408) is provided with a second sliding groove (409), the second sliding groove (409) is slidably connected with a second sliding block (410), and one end of the horizontal rod (408) is fixedly connected with a handle rod (411).

7. A magnetic particle instrument as defined in claim 6, wherein: The bottom of the second sliding block (410) is fixedly connected with a second connecting block (412), the second connecting block (412) is hingedly connected with a second fixed block (413), the bottom of the second fixed block (413) is fixedly connected with a first clamping plate (414), one side of the first clamping plate (414) is rotatably connected with a second threaded rod (415), and the second threaded rod (415) is threadedly connected with a second clamping plate (416).

8. A magnetic particle instrument as defined in claim 7, wherein: The top of the first clamping plate (414) is symmetrically provided with a limiting groove (4140), and the top of the second clamping plate (416) is fixedly connected with a limiting block (417) matched with the limiting groove (4140).

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