CN217156408U

CN217156408U - Flaw detector with automatic magnetic powder shading mechanism

Info

Publication number: CN217156408U
Application number: CN202220912987.4U
Authority: CN
Inventors: 陆从明; 陆从华
Original assignee: Sheyang Kaida Testing Machine Manufacturing Co ltd
Current assignee: Sheyang Kaida Testing Machine Manufacturing Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-09
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to the technical field of magnetic particle inspection machines, in particular to a flaw detector with an automatic magnetic powder shading mechanism, which comprises a flaw detector body, wherein the flaw detector body is provided with a cavity, a retraction mechanism is arranged in the cavity, and connecting blocks are fixedly connected at the left and right symmetry of the upper end of the flaw detector body; the opposite ends of the two connecting blocks are respectively provided with a box body, the opposite ends of the two box bodies are respectively provided with an opening, the front side and the rear side of the two box bodies corresponding to the openings are respectively provided with a sliding chute, the upper ends of the two box bodies are respectively provided with a shading mechanism, and the inner parts of the two box bodies are respectively fixedly provided with an ultraviolet lamp; the utility model discloses an utilize the cooperation between jack and the shading mechanism, can realize making things convenient for the effect of shading, make two difficult emergence correlation of purple light lamp, improve magnetic particle flaw detector's detection efficiency.

Description

Flaw detector with automatic magnetic powder shading mechanism

Technical Field

The utility model relates to a magnetic particle flaw detector technical field, concretely relates to defectoscope with automatic shading mechanism of magnetic.

Background

The magnetic powder inspection can detect the defects of cracks, hairlines, white spots, folds, inclusions and the like in the ferromagnetic material, has high detection sensitivity, can visually display the position, the shape, the size and the severity of the defects, and has good repeatability for detecting the defects. The method is widely applied to flaw detection of pipes, bars, sections, welding parts, machined parts and forged pieces, and particularly plays a unique role in the regular inspection of pressure vessels.

At present, when most of fixed wheel special magnetic particle inspection machines at home and abroad adopt a two-person working mode to carry out magnetic particle inspection on wheels, fixed purple light lamps at two observation stations at the inner side and the outer side of the wheels can generate correlation emission, and when the observation stations are not shielded by the wheels, the fixed purple light lamps can cause great damage to the eyesight of inspection personnel; to overcome the above disadvantages, a suspended blind is generally used to block the light. When the wheel enters the observation station, the detection personnel needs to lift the pull curtain for observation and judgment; after the wheel leaves the observation station, the measurement personnel will draw the curtain again and put down and shelter from light, nevertheless adopt this kind of device to carry out the shading, when measurement personnel lifted and drawn the curtain, it is not well fixed to draw the curtain for shading operation is inconvenient, seriously influences detection efficiency.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a defectoscope with automatic shading mechanism of magnetic.

In order to achieve the above object, the present invention adopts the following technical solutions:

a flaw detector with an automatic magnetic powder shading mechanism comprises a flaw detector body, wherein the flaw detector body is provided with a cavity, a retraction mechanism is arranged in the cavity, and connecting blocks are fixedly connected to the upper end of the flaw detector body in a bilateral symmetry manner;

the box is all installed to the looks remote site of two connecting blocks, and the looks remote site of two boxes all is equipped with the opening, and both sides are equipped with the spout around two boxes correspond the open-ended, and shading mechanism is all installed to two box upper ends, and two inside equal fixed mounting of box have the purple light lamp.

Preferably, the shading mechanism comprises a roller shutter, a counterweight rod is arranged at the bottom end of the roller shutter and is in sliding fit with the chute, and the upper end of the roller shutter is wound on the roller and fixedly connected with the roller; the winding up roller corresponds to rotate to be connected on the mounting bracket on connecting block top, and the winding up roller rotates the junction with the mounting bracket and is equipped with the torsional spring, and the spool of winding up roller stretches out the mounting bracket backward to install around the runner that has the stay cord.

Preferably, the retracting mechanism comprises a retracting shaft connected with the output end of the retracting motor, the retracting shaft is rotatably connected to the flaw detector body, a retracting roller is mounted on the retracting shaft, and pull ropes are correspondingly wound on the upper part and the lower part of the retracting shaft; the two pull ropes correspondingly penetrate through the left end and the right end of the flaw detector body respectively, the two pull ropes respectively bypass the first guide wheels correspondingly installed at the left end and the right end of the flaw detector body, and then respectively upwards bypass the second guide wheels correspondingly installed on the outer side walls of the two connecting blocks, and finally are wound on the rotating wheels of the winding shafts.

Preferably, the plastic sleeve is fixedly mounted at one end, far away from the corresponding box body, of each of the two connecting blocks, and the pull rope can penetrate through the plastic sleeve.

Preferably, the four corners of the bottom end of the flaw detector body are fixedly provided with supporting legs.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

when a wheel to be detected is positioned between the two ultraviolet lamps, a worker starts the winding and discharging machine to drive the winding and discharging shaft and the winding and discharging roller to rotate anticlockwise, the winding and discharging roller tightens two pull ropes, the pull ropes pull the rotating wheels on the winding shafts to rotate under the action of the corresponding guide wheels I and the guide wheels II, the torsion spring is tightened while the roller shutter moves upwards, namely the roller shutter rotates and winds the roller shutter, the balance weight rod slides in the corresponding sliding groove, at the moment, the detector can detect the wheel, after the detection is finished, the detector can control the winding and discharging machine to drive the winding and discharging shaft and the winding and discharging roller to rotate clockwise, the winding and discharging roller starts to release the two pull ropes, the reset function of the torsion spring is matched, the roller shutter starts to move downwards under the action of the gravity of the balance weight rod, until the roller shutter just covers the openings of the two box bodies, the roller shutter is positioned between the two ultraviolet lamps, so that the two ultraviolet lamps are not easy to be shot, the detection efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the purpose of the present invention, protecting some embodiments, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the light-shielding mechanism of the present invention when not in operation;

FIG. 2 is a schematic structural view of the light-shielding mechanism of the present invention during operation;

fig. 3 is an enlarged schematic view of the structure at a position a of the present invention;

in the figure: the flaw detector comprises a flaw detector body, a cavity 2, a guide wheel I3, a guide wheel II 4, a winding and unwinding roller 5, a winding and unwinding shaft 6, a pull rope 7, a support leg 8, a plastic sleeve 9, a connecting block 10, a winding roller 11, a torsion spring 12, a winding curtain 13, a counterweight rod 14, a box body 15, an opening 151, a chute 152 and a purple light 16.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined with the following description to clearly and completely describe the technical solution in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

A flaw detector with an automatic magnetic powder shading mechanism comprises a flaw detector body 1, wherein the flaw detector body 1 is provided with a cavity 2, a retraction mechanism is arranged in the cavity 2, and connecting blocks 10 are fixedly connected to the upper end of the flaw detector body 1 in a bilateral symmetry manner;

box 15 is all installed to the looks remote site of two connecting blocks 10, and the looks remote site of two boxes 15 all is equipped with opening 151, and both sides are equipped with spout 152 around two boxes 15 correspond opening 151, and shading mechanism is all installed to two box 15 upper ends, and two inside equal fixed mounting of box 15 have purple light lamp 16.

The shading mechanism comprises a roller shutter 13, a counterweight rod 14 is arranged at the bottom end of the roller shutter 13, the counterweight rod 14 is in sliding fit with the sliding chute 152, and the upper end of the roller shutter 13 is wound on the roller 11 and is fixedly connected with the roller 11; the winding roller 11 corresponds to rotate and connects on the mounting bracket on connecting block 10 top, and the winding roller 11 rotates the junction with the mounting bracket and is equipped with torsional spring 12, and the mounting bracket is stretched out backward to the spool of winding roller 11 to install around the runner that has stay cord 7, conveniently carry out shading work, make two ultraviolet lamps 16 difficult emergence correlation, be favorable to improving detection efficiency.

The retracting mechanism comprises a retracting shaft 6 connected with the output end of a retracting motor, the retracting shaft 6 is rotatably connected to the flaw detector body 1, a retracting roller 5 is arranged on the retracting shaft 6, and a pull rope 7 is wound on each of the retracting shaft 6; two stay cords 7 correspond respectively and wear out both ends about the defectoscope body 1, and two stay cords 7 are walked around respectively and are corresponded the leading wheel 3 of installing both ends about the defectoscope body 1, and the corresponding leading wheel two 4 of installing on two connecting block 10 lateral walls is walked around respectively again, and final wraparound is on the runner of spool, and convenient synchronous drive both sides roll up curtain 13 reciprocates simultaneously.

The equal fixed mounting in one end that two connecting blocks 10 kept away from corresponding box 15 has plastic sleeve 9, and plastic sleeve 9 is inside can supply stay cord 7 to pass from it, and plastic sleeve 9 can protect stay cord 7, makes the difficult quilt of stay cord 7 wear, improves the life of stay cord 7.

Supporting legs 8 are fixedly mounted at four corners of the bottom end of the flaw detector body 1, and the flaw detector can work stably and conveniently.

The working mode of the flaw detector with the automatic magnetic powder shading mechanism is as follows:

when a wheel to be detected is positioned between the two ultraviolet lamps 16, a worker starts the retraction motor to drive the retraction shaft 6 and the retraction roller 5 to rotate anticlockwise, the retraction roller 5 retracts the two pull ropes 7, the pull ropes 7 pull the rotating wheels on the winding shafts to rotate under the action of the corresponding guide wheels I3 and II 4, the torsion springs 12 are tensioned while the roller shutters 13 move upwards, namely the roller 11 rotates and retracts the roller shutters 13, the weight rods 14 slide in the corresponding chutes 152, at the moment, the wheel can be detected by the detection personnel, after the detection is finished, the detection personnel can control the retraction motor to drive the retraction shaft 6 and the retraction roller 5 to rotate clockwise, the retraction roller 5 starts to release the two pull ropes 7, the reset function of the torsion springs 12 is matched, and the gravity action of the weight rods 14 starts to move downwards until the roller shutters 13 just cover the openings 151 of the two box bodies 15, the roller shutter 13 is positioned between the two ultraviolet lamps 16, so that the two ultraviolet lamps 16 are not easy to generate correlation, and the detection efficiency is improved.

The motor, the purple light lamp, the torsional spring that this patent adopted are the market, and its structure and control mode are prior art, no longer give unnecessary details in the description.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a defectoscope with automatic shading mechanism of magnetic, includes defectoscope body (1), its characterized in that: the flaw detector body (1) is provided with a cavity (2), a retraction mechanism is arranged in the cavity (2), and connecting blocks (10) are fixedly connected to the upper end of the flaw detector body (1) in a bilateral symmetry manner;

two box (15), two are all installed to the looks remote site of connecting block (10) the looks remote site of box (15) all is equipped with opening (151), and both sides are equipped with spout (152) around two box (15) correspond opening (151), and shading mechanism is all installed to two box (15) upper ends, and two box (15) inside equal fixed mounting have purple light lamp (16).

2. The flaw detector provided with the automatic magnetic powder shading mechanism according to claim 1, wherein: the shading mechanism comprises a roller shutter (13), a counterweight rod (14) is installed at the bottom end of the roller shutter (13), the counterweight rod (14) is in sliding fit with the sliding groove (152), and the upper end of the roller shutter (13) is wound on the roller (11) and is fixedly connected with the roller (11); the winding roller (11) is correspondingly and rotatably connected to the mounting frame on the top end of the connecting block (10), a torsion spring (12) is arranged at the position where the winding roller (11) is rotatably connected with the mounting frame, a winding shaft of the winding roller (11) extends backwards out of the mounting frame, and a rotating wheel wound with a pull rope (7) is mounted.

3. The flaw detector provided with the automatic magnetic powder shading mechanism according to claim 2, wherein: the flaw detector comprises a flaw detector body (1), a retracting mechanism and a detecting mechanism, wherein the retracting mechanism comprises a retracting shaft (6) connected with the output end of a retracting motor, the retracting shaft (6) is rotatably connected to the flaw detector body (1), a retracting roller (5) is installed on the retracting shaft (6), and pull ropes (7) are correspondingly wound on the retracting shaft (6) up and down; two both ends about flaw detector body (1) are worn out to stay cord (7) correspondence respectively, and corresponding leading wheel (3) of installing both ends about flaw detector body (1) are walked around respectively to two stay cords (7), and the corresponding leading wheel two (4) of installing on two connecting block (10) lateral walls are walked around respectively to the subdividing, finally around connecting on the runner of spool.

4. The flaw detector provided with the automatic magnetic powder shading mechanism according to claim 3, wherein: two equal fixed mounting in one end that corresponding box (15) was kept away from in connecting block (10) has plastic sleeve pipe (9), and plastic sleeve pipe (9) inside can supply stay cord (7) to pass therethrough.

5. The flaw detector provided with the automatic magnetic powder shading mechanism according to claim 1, wherein: supporting legs (8) are fixedly mounted at four corners of the bottom end of the flaw detector body (1).