CN216117471U

CN216117471U - Flaw detector for steel structure

Info

Publication number: CN216117471U
Application number: CN202122546542.7U
Authority: CN
Inventors: 张祝卿; 苏玮; 赵明强; 卞育红
Original assignee: Shanghai Construction Machinery Testing Center Co ltd
Current assignee: Shanghai Construction Machinery Testing Center Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-22
Anticipated expiration: 2031-10-22

Abstract

The application discloses steel construction appearance of detecting a flaw relates to steel construction detection area, including appearance body and the wire of detecting a flaw, the one end and the appearance body fixed connection that detects a flaw of wire, the top fixed mounting of appearance body of detecting a flaw has the receiver, the receiver internal rotation is connected with the line roller, the inside wall fixed mounting of receiver has the mounting box, be provided with the coil spring in the mounting box, the one end of coil spring and the inner wall fixed connection of mounting box, the other end and the line roller fixed connection who stretches into in the coil spring, the wire is convoluteed in the week side of line roller. The utility model provides a dop can restrict the automatic rolling of wind spring when inserting in the draw-in groove, and it can carry out the unwrapping wire to exert enough big pulling force to the wire, and the spring can promote the dop and make the dop card go into the draw-in groove of relevant position when cancelling, fixes the line roller again, solves the easy winding of the wire of flaw detector connection probe and flaw detector body when longer and ties a knot, and some flaw detectors are to the not nimble convenient problem of rolling of wire.

Description

Flaw detector for steel structure

Technical Field

The application relates to the field of steel structure detection, in particular to a steel structure flaw detector.

Background

The welds of steel structures are typically inspected for cracks or flaws within the metal material or component using an ultrasonic flaw detector.

Steel structure flaw detector needs the handheld probe of operating personnel to detect on the work piece surface when using, and the easy winding of the wire of flaw detector connecting probe and flaw detector body is longer is knoed, and some flaw detectors are not nimble enough convenient to the rolling of wire, consequently, need provide a steel structure flaw detector and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the wire of flaw detector connection probe and flaw detector body twines easily when longer and ties a knot, and some flaw detectors are not nimble convenient enough to the rolling of wire, this application provides steel construction flaw detector.

The application provides steel structure flaw detector adopts following technical scheme:

the steel structure flaw detector comprises a flaw detector body and a lead, wherein one end of the lead is fixedly connected with the flaw detector body, a storage box is fixedly arranged at the top of the flaw detector body, a wire roller is rotationally connected in the storage box, a mounting box is fixedly arranged on the inner side wall of the storage box, a coil spring is arranged in the mounting box, one end of the coil spring is fixedly connected with the inner wall of the mounting box, the other end of the coil spring is fixedly connected with the wire roller extending into the coil spring, the lead is wound on the peripheral side of the wire roller, one end, far away from the flaw detector body, of the lead penetrates through the storage box and is provided with an ultrasonic probe, a rotary disc is fixedly arranged on the peripheral side of the wire roller, a plurality of clamping grooves are formed in the peripheral side of the rotary disc, a movable rod is movably sleeved at the top of the storage box, a clamping head is fixedly arranged at one end, extending into the storage box, of the movable rod is movably sleeved with a spring on the peripheral side of the movable rod, one end of the spring is abutted against the top wall of the storage box, and the other end of the spring extrudes the clamping head to enable the clamping head to be inserted into the clamping groove.

Optionally, a wire outlet hole is formed in one side of the top wall of the storage box, and one end, far away from the flaw detector body, of the wire penetrates through the wire outlet hole and extends out of the storage box.

Optionally, a protecting sleeve is further fixedly mounted on the inner wall of the wire outlet hole.

Optionally, the receiver has fixed cover near the inner wall fixed embedding of flaw detector body, the wire is close to the one end fixed connection of flaw detector body in the inside of fixed cover.

Optionally, a handle is fixedly mounted at one end of the movable rod, which is far away from the chuck.

Optionally, a limiting ring is fixedly mounted on the peripheral side face of the top of the clamping head, and one end, close to the clamping head, of the spring abuts against the limiting ring.

Optionally, a sliding bearing is further fixedly embedded in one side of the top of the storage box, and the movable rod is movably sleeved inside the sliding bearing.

Optionally, the chuck is of a hemispherical structure, and the clamping groove is matched with the chuck.

To sum up, the present application includes the following beneficial effects:

1. the utility model adopts the matching among the movable rod, the spring, the clamping head, the coil spring, the wire roller, the rotary disc and the clamping groove, the spring extrudes the clamping head to enable the clamping head to be inserted into the clamping groove to limit the automatic winding of the coil spring, the hemispherical clamping head and the clamping groove are arranged to apply enough tension to the wire to enable the clamping head to be separated from the clamping groove, the wire can be paid off, the spring can push the clamping head to enable the clamping head to be clamped into the clamping groove at the corresponding position when the tension applied to the wire is cancelled, and the wire roller is fixed again, so that the problems that the wire of a flaw detector connecting probe and a flaw detector body is easy to wind and knot when being longer, and the winding of the wire by some flaw detectors is not flexible and convenient are solved.

2. The utility model adopts the matching among the lead, the wire outlet hole, the protective sleeve and the fixed sleeve, can adapt to the position change of the lead when the lead is led out from the storage box, the arranged protective sleeve can effectively prevent the lead from being damaged due to the friction with the inner wall of the wire outlet hole, the service life of the lead is prolonged, the fixed sleeve is arranged to ensure that the connecting point of the lead and the flaw detector body cannot be pulled when the lead is paid off or wound by the wire roller, and the looseness of the connecting part of the lead and the flaw detector body is effectively prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the storage case of the present invention;

FIG. 3 is an enlarged view at A of FIG. 2 of the present invention;

fig. 4 is a schematic view of the internal structure of the mounting box of the present invention.

Description of reference numerals: 1. a flaw detector body; 2. a wire; 3. a storage box; 31. a wire outlet hole; 311. a protective sleeve; 32. fixing a sleeve; 4. a wire roller; 5. mounting a box; 51. a coil spring; 6. a turntable; 61. a card slot; 7. a movable rod; 71. clamping a head; 72. a spring; 73. a limiting ring; 74. a handle; 75. a sliding bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses steel structure flaw detector. Please refer to fig. 1, which includes a flaw detector body 1 and a wire 2, one end of the wire 2 is fixedly connected to the flaw detector body 1, the other end is connected to an ultrasonic probe, a storage box 3 for winding the wire 2 is fixedly installed on the top of the flaw detector body 1, a wire roller 4 for winding the wire 2 is rotatably connected in the storage box 3, the wire 2 is wound on the peripheral side of the wire roller 4, and a mounting box 5 is fixedly installed on the inner side wall of the storage box 3.

Referring to fig. 3, a coil spring 51 is arranged in the mounting box 5, one end of the coil spring 51 is fixedly connected with the inner wall of the mounting box 5, the other end of the coil spring 51 is fixedly connected with a wire roller 4 extending into the coil spring 51, the wire 2 is pulled to tighten the coil spring 51 to pay off the wire 2, so that the wire 2 is extended, when the wire 2 is released, the coil spring 51 can be loosened to drive the wire 2 to be rewound on the wire roller 4, and one end of the wire 2 far away from the flaw detector body 1 penetrates through the storage box 3 and is provided with an ultrasonic probe.

Please refer to fig. 2, in order to adapt to the position change of the wires 2 when the wires are taken out from the storage box 3, a wire hole 31 which is long and parallel to the wire roller 4 is formed in one side of the top wall of the storage box 3, one end of the wires 2 far away from the flaw detector body 1 penetrates through the wire hole 31 and extends out of the storage box 3, a protection sleeve 311 which can protect the wires 2 is fixedly mounted on the inner wall of the wire hole 31, and therefore the wires 2 and the inner wall of the wire hole 31 are effectively prevented from being rubbed to cause damage, and the service life of the wires 2 is prolonged.

Please refer to fig. 2, in order to prevent the ultrasonic probe from being affected by the automatic winding of the wire roller 4 when in use, the movable rod 7 for limiting the wire roller 4 is movably sleeved at the top of the storage box 3, one end of the movable rod 7 extends into the storage box 3, and one end of the movable rod 7 extending into the storage box 3 is fixedly provided with a chuck 71, a main body of the chuck 71 is of a hemispherical structure, a turntable 6 is further fixedly arranged on the peripheral side surface of the wire roller 4 close to the mounting box 5, a plurality of clamping grooves 61 distributed in a circumferential array and having smooth inner surfaces are formed on the peripheral side surface of the turntable 6, the clamping grooves 61 are likewise hemispherical and adapted to the chuck 71, and when the chuck 71 is inserted into the clamping grooves 61, the automatic winding of the coil spring 51 can be limited.

Referring to fig. 2, the peripheral side surface of the movable rod 7 is movably sleeved with a spring 72 providing an extrusion force to the chuck 71, one end of the spring 72 abuts against the top wall of the storage box 3, the other end of the spring 72 extrudes the chuck 71 to enable the chuck 71 to be inserted into the slot 61, so that the coil spring 51 can be prevented from being automatically wound, however, if a pulling force applied to the wire 2 during paying off of the wire 2 is large enough, the wire 2 is not affected by the pulling force, and when the pulling force applied to the wire 2 is removed, the spring 72 can push the chuck 71 to enable the chuck 71 to be clamped into the slot 61 at the corresponding position, so that the wire roller 4 is fixed again.

Referring to fig. 2, as the diameter of the chuck 71 may be smaller than the diameter of the movable rod 7, a limit ring 73 is fixedly mounted on the top peripheral side of the chuck 71, one end of the spring 72 close to the chuck 71 pushes the chuck 71 by abutting against the limit ring 73, the chuck 71 is separated from the slot 61 by pulling the handle 74, the coil spring 51 can automatically wind the wire 2 through the wire roller 4, one end of the movable rod 7 far from the chuck 71 is fixedly mounted with a handle 74 convenient for a detector to pull the movable rod 7, a sliding bearing 75 is further fixedly embedded on one side of the top of the storage box 3, the movable rod 7 is movably sleeved inside the sliding bearing 75 to reduce friction, and the detector is more comfortable when pulling the handle 74.

Referring to fig. 1, in order to prevent the joint of the wire 2 and the flaw detector body 1 from being loose, the inner wall of the storage box 3 close to the flaw detector body 1 is fixedly embedded with a fixing sleeve 32, and one end of the wire 2 close to the flaw detector body 1 is fixedly connected inside the fixing sleeve 32, so that the connecting point of the wire 2 and the flaw detector body 1 cannot be pulled when the wire roller 4 releases or winds the wire 2, and the joint of the wire 2 and the flaw detector body 1 is protected.

The application principle of the steel structure flaw detector of this application does: the spring 72 extrudes the chuck 71 to limit the automatic winding of the coil spring 51 when the chuck 71 is inserted into the slot 61, enough pulling force is applied to the wire 2 to extrude the inner wall of the slot 61 and the chuck 71 to separate the chuck 71 from the slot 61, the wire 2 can be paid off, when the pulling force applied to the wire 2 is cancelled, the spring 72 can push the chuck 71 to clamp the chuck 71 into the slot 61 at the corresponding position, the wire roller 4 is fixed again, and the winding of the wire 2 is flexible and convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Steel construction appearance of detecting a flaw, including appearance body (1) and wire (2) of detecting a flaw, the one end and the appearance body (1) fixed connection of detecting a flaw of wire (2), its characterized in that: the top fixed mounting of appearance body of detecting a flaw (1) has receiver (3), receiver (3) internal rotation is connected with line roller (4), the inside wall fixed mounting of receiver (3) has mounting box (5), be provided with wind spring (51) in mounting box (5), the one end of wind spring (51) and the inner wall fixed connection of mounting box (5), the other end and the line roller (4) fixed connection who stretches into in wind spring (51), wire (2) are convoluteed in all sides of line roller (4), just wire (2) keep away from the one end of appearance body of detecting a flaw (1) and pass receiver (3) and install ultrasonic probe, all sides of line roller (4) still fixed mounting have carousel (6), a plurality of draw-in grooves (61) have been seted up to all sides of carousel (6), movable rod (7) have been cup jointed in the top activity of receiver (3), one end fixed mounting that movable rod (7) stretched into in receiver (3) has dop (71), spring (72) have been cup jointed in the activity of the week side of movable rod (7), the one end of spring (72) offsets with the roof of receiver (3), the other end extrusion dop (71) of spring (72) makes dop (71) insert in draw-in groove (61).

2. The steel structure flaw detector of claim 1, wherein: wire outlet holes (31) are formed in one side of the top wall of the storage box (3), and one end, far away from the flaw detector body (1), of the lead (2) penetrates through the wire outlet holes (31) and extends out of the storage box (3).

3. The steel structure flaw detector of claim 2, wherein: and a protective sleeve (311) is fixedly arranged on the inner wall of the wire outlet hole (31).

4. The steel structure flaw detector of claim 1, wherein: the inner wall that receiver (3) are close to flaw detector body (1) has fixed cover (32) fixedly embedded, wire (2) are close to the inside of fixed cover (32) of the one end fixed connection of flaw detector body (1).

5. The steel structure flaw detector of claim 1, wherein: and a handle (74) is fixedly arranged at one end of the movable rod (7) far away from the chuck (71).

6. The steel structure flaw detector of claim 1, wherein: the top peripheral side face of the clamping head (71) is fixedly provided with a limiting ring (73), and one end, close to the clamping head (71), of the spring (72) is abutted to the limiting ring (73).

7. The steel structure flaw detector of claim 1, wherein: the top one side of receiver (3) still the solid fixed sliding bearing (75) that has inlayed, activity pole (7) activity cup joints the inside at sliding bearing (75).

8. The steel structure flaw detector of claim 1, wherein: the clamping head (71) is of a hemispherical structure, and the clamping groove (61) is matched with the clamping head (71).