CN219065373U

CN219065373U - Ultrasonic flaw detector with rotary probe

Info

Publication number: CN219065373U
Application number: CN202223360640.2U
Authority: CN
Inventors: 陈亭; 王保林
Original assignee: Suzhou Yiqichang Testing Technology Co ltd
Current assignee: Suzhou Yiqichang Testing Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-23
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a rotary probe ultrasonic flaw detector, which relates to the field of flaw detectors and comprises a fixed frame, wherein a rotary shaft is rotatably connected to the fixed frame, the rotary shaft is hollow, a plurality of ultrasonic probes are arranged on the rotary shaft, the ultrasonic probes radially extend into the rotary shaft, a power mechanism for driving the rotary shaft to rotate is arranged on one side of the rotary shaft, a fixing mechanism for fixing bars is arranged in the rotary shaft on the fixed frame, and the fixing mechanism is used for fixing the bars and preventing the bars from moving or rotating in the rotary flaw detection process. The power unit drives the rotation axis to rotate in this application to drive ultrasonic probe and rotate thereby rotate the flaw detection to the rod, improved the precision that the rod detected, fixed establishment in this application is used for fixed rod, prevents that the rod from removing or rotating at the in-process that the rotation detected a flaw, makes the more accurate of inspection.

Description

Ultrasonic flaw detector with rotary probe

Technical Field

The utility model relates to the field of flaw detectors, in particular to a rotary probe ultrasonic flaw detector.

Background

In the important industrial fields of aerospace, aviation, nuclear power, ships, petrochemical industry, steel and the like, a large number of buret and bars are used, and the requirements on the buret or the bars in the precise industries are very strict, so that strict detection needs to be carried out before the buret or the bars are used, and rotation detection needs to be carried out on the outer surface of the bars.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide the rotary probe ultrasonic flaw detector which can perform rotary detection on the surface of a bar and is more accurate in detection.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the rotary probe ultrasonic flaw detector comprises a fixed frame, a rotary shaft is connected to the fixed frame in a rotating mode, the rotary shaft is hollow, a plurality of ultrasonic probes are arranged on the rotary shaft, the ultrasonic probes radially extend to the inside of the rotary shaft, and the rotary shaft is used for driving the ultrasonic probes to rotate so as to drive a bar to conduct rotary flaw detection, and whether cracks or holes exist on the outer surface of the bar or not is detected, so that detection is more accurate. The quantity of ultrasonic transducer sets up according to actual need, and the surface of rotation axle is provided with four ultrasonic transducer in this application, four ultrasonic transducer circumference array sets up the surface at the rotation axis, and adjacent angle between the ultrasonic transducer is 90 degrees, and four ultrasonic transducer divides into two sets of, and two ultrasonic transducer that set up along the central line symmetry of rotation axis is a set of, two sets of ultrasonic transducer staggers in the horizontal direction position. One side of the rotating shaft is provided with a power mechanism for driving the rotating shaft to rotate, and the power mechanism is used for driving the rotating shaft to rotate so as to drive the ultrasonic probe to rotate, so that the bar is subjected to rotary flaw detection. The fixing frame is provided with a fixing mechanism used for fixing the bar in the rotating shaft, and the fixing mechanism is used for fixing the bar and preventing the bar from moving or rotating in the rotating flaw detection process.

The power unit drives the rotation shaft to rotate in this application to drive ultrasonic probe and rotate thereby rotate the flaw detection to the rod, improved the precision that the rod detected, fixed establishment in this application is used for fixed rod, prevents that the rod from removing or rotating at the in-process that the rotation detected a flaw.

Further is: the outer surface of rotation axis one end is connected with first dustcoat through the bearing, first dustcoat and mount fixed connection, the outer surface of rotation axis other end is connected with the second dustcoat through the bearing. The first outer cover and the second outer cover are used for fixing the positions of the rotating shafts on the fixing frame, and the rotating shafts can rotate relative to the first outer cover and the second outer cover.

Further is: the power mechanism comprises a first belt pulley arranged on the outer surface of the rotating shaft, a belt is arranged on the outer surface of the first belt pulley, a second belt pulley is arranged at the other end of the belt, the second belt pulley is connected with a driving shaft of the motor, and a fixed end of the motor is fixedly arranged on the fixing frame. The motor rotates to drive the second belt pulley to rotate, and the second belt pulley rotates to drive the belt transmission, so that the first belt pulley is driven to rotate, and the rotating shaft is driven to rotate.

Further is: the fixing mechanism comprises a fixing seat and a fixing cylinder which are fixedly connected to two ends of the fixing frame, the fixing cylinder axially extends to the inside of the rotating shaft, a sleeve is arranged on the inner surface of the fixing cylinder, and fixing sleeves are arranged at two ends of the sleeve. The fixed sleeve is used for fixing the bar, and the fixed sleeve with different inner diameters is selected according to the diameters of different bars. The sleeve is directly withdrawn from the stationary barrel when the stationary sleeve needs to be replaced, which is removed with the sleeve.

Further is: the quick-release cover is arranged on the fixing base and used for fixing the fixing barrel, the quick-release cover is fixed on the fixing base after the fixing sleeve is replaced, and the quick-release cover is taken down from the fixing base when the fixing sleeve needs to be replaced.

Further is: the fixing seat is connected with the quick-release cover through a buckle, the quick-release cover is connected with the quick-release cover through the buckle in a clamping manner, the buckle is lifted when the quick-release cover needs to be detached, the quick-release cover is separated from the fixing seat, and then the quick-release cover is taken down; when the quick-release cover is required to be fixed on the fixing base, the buckle is pressed downwards, so that the fixing base is buckled, and the quick-release cover and the fixing base are buckled together.

Further is: the first housing is internally provided with a capacitor, and the capacitor is used for providing signals for the ultrasonic probe so as to detect the flaw of the bar.

The bar detection device has the beneficial effects that the power mechanism drives the rotating shaft to rotate, so that the ultrasonic probe is driven to rotate, the bar is subjected to rotary flaw detection, the bar detection precision is improved, and the fixing mechanism is used for fixing the bar, so that the bar is prevented from moving or rotating in the rotary flaw detection process, and the detection is more accurate.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a rotary shaft according to an embodiment of the present utility model;

FIG. 3 is a front view of a rotary shaft according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of A-A of FIG. 3;

FIG. 5 is a schematic diagram of a power mechanism according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a fixing mechanism according to an embodiment of the present utility model;

in the figure: 1. a fixing frame; 2. a rotation shaft; 3. an ultrasonic probe; 4. a power mechanism; 5. a fixing mechanism; 6. a first housing; 7. a second housing; 8. a capacitor; 401. a first pulley; 402. a belt; 403. a second pulley; 404. a motor; 501. a fixing seat; 502. a fixed cylinder; 503. a sleeve; 504. a fixed sleeve; 505. quick-dismantling the cover; 506. a buckle; 100. and (5) bar material.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, an embodiment of the present application provides a rotary probe ultrasonic flaw detector, which includes a fixing frame 1, a rotating shaft 2 is rotatably connected to the fixing frame 1, the rotating shaft 2 is hollow, a plurality of ultrasonic probes 3 are disposed on the rotating shaft 2, the ultrasonic probes 3 radially extend to the inside of the rotating shaft 2, and the rotating shaft 2 is used for driving the plurality of ultrasonic probes 3 to rotate, so as to drive a bar 100 to perform rotary flaw detection, and detect whether a crack or a hole exists on the outer surface of the bar 100, so that the detection is more accurate. The quantity of ultrasonic probe 3 sets up according to actual need, and the surface of rotation axis 2 is provided with four ultrasonic probe 3 in this application, four ultrasonic probe 3 circumference array sets up the surface at rotation axis 2, and adjacent angle between the ultrasonic probe 3 is 90 degrees, and four ultrasonic probe 3 divide into two sets of, and two ultrasonic probe 3 along the central line symmetry setting of rotation axis 2 are a set of, two sets of ultrasonic probe 3 stagger in the horizontal direction position. One side of the rotating shaft 2 is provided with a power mechanism 4 for driving the rotating shaft 2 to rotate, and the power mechanism 4 is used for driving the rotating shaft 2 to rotate so as to drive the ultrasonic probe 3 to rotate, so that the bar 100 is subjected to rotary flaw detection. The fixing frame 1 is provided with a fixing mechanism 5 for fixing the bar 100, which is positioned in the rotating shaft 2, and the fixing mechanism 5 is used for fixing the bar 100 to prevent the bar 100 from moving or rotating in the process of rotating flaw detection.

The power unit 4 drives the rotation axis 2 to rotate in this application to thereby drive ultrasonic probe 3 and rotate and carry out the rotation to rod 100 and detect a flaw, improved the precision that rod 100 detected, fixed establishment 5 in this application is used for fixed rod 100, prevents that rod 100 from removing or rotating at the in-process that the rotation detected a flaw, makes the more accurate of inspection.

On the basis of the above, as shown in fig. 2, the outer surface of one end of the rotating shaft 2 is connected with a first outer cover 6 through a bearing, the first outer cover 6 is fixedly connected with the fixing frame 1, and the outer surface of the other end of the rotating shaft 2 is connected with a second outer cover 7 through a bearing. The first housing 6 and the second housing 7 fix the position of the rotary shaft 2 on the fixing frame 1, and the rotary shaft 2 can rotate relative to the first housing 6 and the second housing 7.

On the basis of the above, as shown in fig. 5, the power mechanism 4 comprises a first belt pulley 401 arranged on the outer surface of the rotating shaft 2, a belt 402 is arranged on the outer surface of the first belt pulley 401, a second belt pulley 403 is arranged on the other end of the belt 402, the second belt pulley 403 is connected with a driving shaft of a motor 404, and a fixed end of the motor 404 is fixedly arranged on the fixing frame 1. The motor 404 rotates to drive the second belt pulley 403 to rotate, and the second belt pulley 403 rotates to drive the belt 402 to drive the first belt pulley 401 to rotate, and then drive the rotating shaft 2 to rotate.

On the basis of the above, as shown in fig. 3 and 4, the fixing mechanism 5 includes a fixing base 501 and a fixing cylinder 502 fixedly connected to two ends of the fixing frame 1, the fixing cylinder 502 axially extends to the inside of the rotating shaft 2, a sleeve 503 is disposed on the inner surface of the fixing cylinder 502, and fixing sleeves 504 are disposed on two ends of the sleeve 503. The fixing sleeve 504 is used for fixing the bar 100, and the fixing sleeve 504 with different inner diameters is selected according to the diameters of different bars 100. The sleeve 503 is directly extracted from the stationary barrel 502 when the stationary sleeve 504 needs to be replaced, and the stationary sleeve 504 is removed together with the sleeve 503.

On the basis of the above, the fixing base 501 is provided with the quick-release cover 505, the quick-release cover 505 is used for fixing the fixing cylinder 502, the quick-release cover 505 is fixed on the fixing base 501 after the fixing sleeve 504 is replaced, and the quick-release cover 505 is removed from the fixing base 501 when the fixing sleeve 504 needs to be replaced.

On the basis of the above, the fixing base 501 is connected with the quick-release cover 505 through the buckle 506, the quick-release cover 505 is conveniently detached by clamping the quick-release cover 505 through the buckle 506, the buckle 506 is pulled up when the quick-release cover 505 needs to be detached, the quick-release cover 505 is separated from the fixing base 501, and then the quick-release cover 505 is detached; when the quick-release cover 505 needs to be fixed on the fixed seat 501, the buckle 506 is pressed downwards, so that the buckle 506 is used for clamping the fixed seat 501, and the quick-release cover 505 and the fixed seat 501 are buckled together.

On the basis of the above, a capacitor 8 is provided in the first housing 6, and the capacitor is used for providing a signal to the ultrasonic probe 3 so as to inspect the bar 100.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The rotary probe ultrasonic flaw detector comprises a fixing frame (1), and is characterized in that: the ultrasonic bar fixing device is characterized in that a rotating shaft (2) is connected to the fixing frame (1) in a rotating mode, the rotating shaft (2) is hollow, a plurality of ultrasonic probes (3) are arranged on the rotating shaft (2), the ultrasonic probes (3) radially extend to the inside of the rotating shaft (2), a power mechanism (4) used for driving the rotating shaft (2) to rotate is arranged on one side of the rotating shaft (2), and a fixing mechanism (5) used for fixing a bar (100) is arranged in the rotating shaft (2) on the fixing frame (1).

2. The rotary probe ultrasonic flaw detector according to claim 1, wherein: the outer surface of rotation axis (2) one end is connected with first dustcoat (6) through the bearing, first dustcoat (6) and mount (1) fixed connection, the outer surface of rotation axis (2) other end is connected with second dustcoat (7) through the bearing.

3. The rotary probe ultrasonic flaw detector according to claim 1, wherein: the power mechanism (4) comprises a first belt pulley (401) arranged on the outer surface of the rotating shaft (2), a belt (402) is arranged on the outer surface of the first belt pulley (401), a second belt pulley (403) is arranged at the other end of the belt (402), the second belt pulley (403) is connected with a driving shaft of a motor (404), and a fixed end of the motor (404) is fixedly arranged on the fixing frame (1).

4. The rotary probe ultrasonic flaw detector according to claim 1, wherein: the fixing mechanism (5) comprises a fixing seat (501) and a fixing barrel (502) which are fixedly connected to two ends of the fixing frame (1), the fixing barrel (502) axially extends to the inside of the rotating shaft (2), a sleeve (503) is arranged on the inner surface of the fixing barrel (502), and fixing sleeves (504) are arranged at two ends of the sleeve (503).

5. The rotary probe ultrasonic flaw detector according to claim 4, wherein: the quick-release cover (505) is arranged on the fixed seat (501).

6. The rotary probe ultrasonic flaw detector according to claim 5, wherein: the fixing seat (501) is connected with the quick-release cover (505) through a buckle (506).

7. The rotary probe ultrasonic flaw detector according to claim 2, characterized in that: a capacitor (8) is arranged in the first housing (6).