Portable ultrasonic flaw detector

Abstract

The utility model discloses a portable ultrasonic flaw detector, which relates to the technical field of flaw detectors, and comprises a main shell and a display screen, the display screen is embedded in the surface of the main shell, the outer side of the main shell is provided with a protection assembly, the inner side of the main shell is provided with a flaw detection main body, the protection assembly comprises a conversion piece, the conversion piece comprises a cover plate, the cover plate is located at the top of the display screen, and the cover plate is located at the bottom of the display screen. The two ends of the cover plate are fixedly provided with side plates, and the side plates are movably connected to the two sides of the main shell through sliding blocks. According to the portable ultrasonic flaw detector provided by the utility model, the side plates deflect on the outer side of the main shell under the limitation of the sliding blocks, are changed into a vertical state from a state parallel to the main shell, and are butted with the corresponding holes in the main shell again through the positioning bolts, so that the cover plate provides support for the main shell and serves as a base, and a foldable structural design is adopted; while the device is supported, the size is reduced, and the device is convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of flaw detectors, in particular to a portable ultrasonic flaw detector. Background Art

[0002] Ultrasonic flaw detector is a device used for non-destructive testing. It uses the characteristics of ultrasonic waves propagating in materials to detect defects or abnormalities inside the material by sending and receiving ultrasonic signals. Its function is to detect and evaluate the quality, integrity and reliability of the material to determine whether there are defects, cracks, pores, inclusions and other problems.

[0003] Usually, a flaw detector is used to detect defects in a workpiece in real time. A Chinese patent with the existing authorization announcement number CN220040335U discloses a portable ultrasonic flaw detector. Through the arrangement of a U-shaped handle, a card slot and a limit mechanism, the ultrasonic flaw detector body can be supported and placed on the ground when in use, so that the shell of the ultrasonic flaw detector body is away from the ground, thereby preventing the ground from causing wear and damage to the shell of the ultrasonic flaw detector body.

[0004] Ultrasonic flaw detectors detect defects inside the material by sending ultrasonic signals to the material being tested, receiving and analyzing the propagation and reflection of the transmitted signals inside the material, and provide information about the location, size and nature of the defects. For safety and stability of the flaw detector, a base is usually provided at the bottom of the flaw detector to maintain stability. However, the traditional split base is large in size, making it difficult to move and carry, and is not convenient to carry and store. Utility Model Content

[0005] In view of the above-mentioned existing problems that for the safety of use and the stability of the flaw detector, a base is usually provided at the bottom of the flaw detector to maintain stability, but the traditional split base is large in size, difficult to move, and inconvenient to carry and store, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a portable ultrasonic flaw detector, which aims to provide support for the main shell through a foldable cover plate, serving as a base, and adopting a foldable structural design to ensure support for the device while reducing the volume for easy carrying.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a portable ultrasonic flaw detector, comprising a main housing and a display screen, wherein the display screen is embedded in the surface of the main housing, a protective component is arranged on the outer side of the main housing, and a flaw detection body is arranged on the inner side of the main housing;

[0008] The protection assembly includes a conversion member, and the conversion member includes a cover plate, the cover plate is located on the top of the display screen, and side plates are fixedly installed at both ends of the cover plate, and the cover plate is movably connected to the top of the display screen through the side plates;

[0009] The side panels are movably connected to both sides of the main shell through sliders, and the side panels are connected to the main shell through positioning bolts. The side panels are arranged in parallel with each other and the side panels correspond to the sliders one by one.

[0010] As a preferred solution of the portable ultrasonic flaw detector of the utility model, a card strip is fixedly installed on one side of the cover plate close to the display screen, a sponge strip is arranged on the outer side of the card strip, and the sponge strip is located between the cover plate and the display screen.

[0011] As a preferred solution of the portable ultrasonic flaw detector described in the utility model, a clamping block is arranged on the side of the sponge strip away from the card strip, the other end of the clamping block is connected to a push rod, one end of the push rod protrudes from the outside of the cover plate, a spring is arranged on the outside of the push rod, and the push rod is movably connected to the inner side of the cover plate through the spring.

[0012] As a preferred solution of the portable ultrasonic flaw detector described in the utility model, wherein: the protective component also includes a wire management component, the wire management component includes a deflection arm, the deflection arm is distributed on both sides of the main shell, one end of the deflection arm is hinged to the main shell, the other end of the deflection arm is movably connected with an extension shaft, one end of the extension shaft extends to the inner side of the deflection arm, the other end of the extension shaft is hinged with an angle seat, and the angle seats are arranged parallel to each other, and a threading ring is arranged between the angle seats.

[0013] As a preferred solution of the portable ultrasonic flaw detector of the utility model, a rubber sleeve is installed on the inner side of the threading ring, positioning shafts are installed on both sides of the threading ring, and the threading ring is connected to the angle seat through the positioning shaft.

[0014] As a preferred solution of the portable ultrasonic flaw detector of the utility model, the wire management component further includes a wire, one end of the wire is located on the inner side of the main shell, and the other end of the wire is connected to a sensor after passing through a rubber sleeve.

[0015] As a preferred solution of the portable ultrasonic flaw detector described in the utility model, the flaw detection body includes a transmitter and a receiver, and a processing unit and a control panel are also provided on the inner side of the main shell. The control panel is located between the display screen and the processing unit, and the transmitter is connected to the sensor through a wire.

[0016] Beneficial effects of the utility model:

[0017] 1. The side plate is deflected on the outside of the main shell under the restriction of the slider, and is changed from a parallel state to a vertical state. The cover plate provides support for the main shell and acts as a base through the re-docking of the positioning bolts with the corresponding holes in the main shell. The foldable structure design is adopted to ensure support for the device while reducing the volume for easy carrying.

[0018] 2. The angle seat is used to ensure that the axis center of the threading ring is always in the same straight line with the central axis between the deflection arms. The wire of the required length is pulled out from the main housing. During the pulling out process, the surface of the wire is cleaned through the rubber sleeve inside the threading ring to meet the different usage requirements of the device.

[0019] 3. The reflected signals are captured by the receiver and displayed graphically on the device's display screen. Inspectors will determine the location, size and nature of the defects based on the intensity, time and shape of these echo signals. At the same time, the data is stored, integrated, analyzed and reported through the processing unit, thereby helping inspectors evaluate the quality and integrity of the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 The utility model is a schematic diagram of the structure of a portable ultrasonic flaw detector.

[0022] Figure 2 It is a schematic diagram of the structure of the portable ultrasonic flaw detector of the utility model when it is placed.

[0023] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of the conversion component of the portable ultrasonic flaw detector.

[0024] Figure 4 The utility model of portable ultrasonic flaw detector Figure 3 Schematic diagram of the enlarged structure of part A.

[0025] Figure 5 The utility model is a schematic diagram of the structure of the wire management component of the portable ultrasonic flaw detector.

[0026] Figure 6 The utility model is a schematic diagram of the threading ring structure of the portable ultrasonic flaw detector.

[0027] Figure 7 The utility model is a schematic diagram of the main structure of the portable ultrasonic flaw detector.

[0028] Description of reference numerals:

[0029] 1. Main shell; 2. Display screen; 3. Protective assembly; 31. Conversion part; 311. Cover plate; 312. Side plate; 313. Slider; 314. Positioning bolt; 315. Card strip; 316. Sponge strip; 317. Clamp; 318. Push rod; 319. Spring; 32. Wire management part; 321. Deflection arm; 322. Extension shaft; 323. Angle seat; 324. Threading ring; 325. Rubber sleeve; 326. Positioning shaft; 327. Wire; 328. Sensor; 4. NDT body; 41. Transmitter; 42. Receiver; 43. Processing unit; 44. Control panel. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] Example 1

[0032] Reference Figure 1-7 , which is the first embodiment of the utility model, provides a portable ultrasonic flaw detector, the portable ultrasonic flaw detector includes a main shell 1 and a display screen 2, the display screen 2 is embedded in the surface of the main shell 1, a protective component 3 is arranged on the outer side of the main shell 1, and a flaw detection body 4 is arranged on the inner side of the main shell 1, the protective component 3 includes a conversion member 31, the conversion member 31 includes a cover plate 311, the cover plate 311 is located on the top of the display screen 2, and side plates 312 are fixedly installed at both ends of the cover plate 311, the cover plate 311 is movably connected to the top of the display screen 2 through the side plates 312, the side plates 312 are movably connected to the two sides of the main shell 1 through sliders 313, and the side plates 31 2 is connected to the main housing 1 through the positioning bolts 314, the side panels 312 are arranged in parallel and the side panels 312 correspond to the sliders 313 one by one, the cover plate 311 is in a folded state when the device is not in use, covering the display screen 2, and when the device is placed, the sliders 313 move in the grooves on both sides of the main housing 1, and after reaching the maximum moving distance, the cover plate 311 is deflected so that the angle between the cover plate 311 and the main housing 1 is 90 degrees, and the positioning bolts 314 correspond to the corresponding holes in the main housing 1, and the cover plate 311 provides support for the main housing 1 and acts as a base, adopting a foldable structural design, while ensuring support for the device, reducing the volume and making it easy to carry.

[0033] A clamping strip 315 is fixedly installed on one side of the cover plate 311 close to the display screen 2, and a sponge strip 316 is arranged on the outer side of the clamping strip 315. The sponge strip 316 is located between the cover plate 311 and the display screen 2. The clamping strip 315 clamps the sponge strip 316 to the bottom of the cover plate 311, and when the cover plate 311 moves following the side plate 312, the surface of the display screen 2 is cleaned by contact with the display screen 2.

[0034] A clamping block 317 is arranged on the side of the sponge strip 316 facing away from the clamping strip 315, and the other end of the clamping block 317 is connected to a push rod 318, one end of the push rod 318 protrudes from the outside of the cover plate 311, and a spring 319 is provided on the outside of the push rod 318. The push rod 318 is movably connected to the inner side of the cover plate 311 through the spring 319. The clamping block 317 fixes the sponge strip 316 by squeezing the sponge strip 316 in cooperation with the clamping strip 315. When the spring 319 is in an extended state, the length of the push rod 318 protruding from the cover plate 311 is reduced, thereby fixing the sponge strip 316.

[0035] The protective component 3 also includes a wire management component 32, which includes a deflection arm 321. The deflection arm 321 is distributed on both sides of the main shell 1. One end of the deflection arm 321 is hinged to the main shell 1, and the other end of the deflection arm 321 is movably connected with an extension shaft 322. One end of the extension shaft 322 extends to the inner side of the deflection arm 321, and the other end of the extension shaft 322 is hinged with an angle seat 323, and the angle seats 323 are arranged parallel to each other, and a threading ring 324 is arranged between the angle seats 323. The deflection arm 321 can be deflected under the restriction of the main shell 1 and unfolded from the main shell 1. The unfolding range can be adjusted by changing the length of the extension shaft 322 in the deflection arm 321, and the angle seat 323 ensures that the axis center of the threading ring 324 is always on the same straight line with the central axis between the deflection arms 321.

[0036] A rubber sleeve 325 is installed on the inner side of the threading ring 324, and positioning shafts 326 are installed on both sides of the threading ring 324. The threading ring 324 is connected to the angle seat 323 through the positioning shaft 326. The outer ring diameter of the rubber sleeve 325 is the same as the inner ring diameter of the threading ring 324 and is shrinkable. The threading ring 324 can rotate with the positioning shaft 326 as the center under the restriction of the angle seat 323.

[0037] The wire management component 32 also includes a wire 327, one end of which is located on the inner side of the main shell 1, and the other end of the wire 327 is connected to a sensor 328 after passing through a rubber sleeve 325. Most of the wire 327 is located in the main shell 1 and is pulled out during use. During the pulling-out process, the surface of the wire 327 is cleaned by the rubber sleeve 325, and the sensor 328 can contact the object to be detected and send ultrasonic waves to the material to be detected.

[0038] The flaw detection body 4 includes a transmitter 41 and a receiver 42. A processing unit 43 and a control panel 44 are also provided on the inner side of the main shell 1. The control panel 44 is located between the display screen 2 and the processing unit 43. The transmitter 41 is connected to the sensor 328 through a wire 327. The transmitter 41 is used to send high-frequency pulse ultrasonic signals, and the receiver 42 is used to receive and record ultrasonic signals reflected from the inside of the material. The processing unit 43 enables the device to have data storage, integration, analysis and reporting functions.

[0039] When performing flaw detection on the inspection object, the positioning bolt 314 is disengaged from the corresponding hole on the main shell 1, so that the side plate 312 is released from the fixation of the main shell 1, and the cover plate 311 moves in the groove opened in the main shell 1 through the slider 313 connected to the side plate 312 to release the cover of the display screen 2. After moving to the maximum moving distance, the side plate 312 is limited by the slider 313 and deflected on the outside of the main shell 1, from a state parallel to the main shell 1 to a vertical state, and the positioning bolt 314 is re-connected with the corresponding hole in the main shell 1, so that the cover plate 311 is The plate 311 provides support for the main shell 1 and acts as a base. It adopts a foldable structural design. While ensuring support for the device, it reduces the volume and is easy to carry. During this process, the sponge strip 316 connected to the cover plate 311 through the card strip 315 contacts the display screen 2 and moves synchronously with the cover plate 311 to clean the surface of the display screen 2. After the cover plate 311 is deflected, the spring 319 is compressed by pulling the ejector rod 318 outward, and the distance between the clamp block 317 and the card strip 315 is increased, so that the card strip 315 can be easily disassembled and replaced to ensure the integrity of the device. During flaw detection, the deflection arm 321 is deflected under the restriction of the main housing 1, and the main housing 1 is unfolded. The length of the extension shaft 322 in the deflection arm 321 is changed to adjust the unfolding range, and the angle seat 323 is used to ensure that the axis center of the threading ring 324 is always on the same straight line with the central axis between the deflection arms 321. The wire 327 of the required length is pulled out of the main housing 1, and during the pulling out process, the surface of the wire 327 is cleaned through the rubber sleeve 325 inside the threading ring 324 to meet the different use requirements of the device, and the transmitter is The ultrasonic wave emitted by 41 is sent to the material to be inspected through the sensor 328 connected to the wire 327. When the ultrasonic wave propagates into the interior of the material to be inspected, it will be reflected, scattered and diffracted by the internal defects or interfaces of the material. These reflected signals will be captured by the receiver 42 and displayed in a graphical form on the display screen 2 of the device. The inspector will judge the location, size and nature of the defect based on the intensity, time and shape of these echo signals. At the same time, the data will be stored, integrated, analyzed and reported through the processing unit 43, thereby helping the inspector to evaluate the quality and integrity of the material.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A portable ultrasonic flaw detector, comprising a main housing (1) and a display screen (2), wherein the display screen (2) is embedded in the surface of the main housing (1), characterized in that: A protective component (3) is arranged on the outer side of the main housing (1), and a flaw detection body (4) is arranged on the inner side of the main housing (1); The protection component (3) comprises a conversion member (31), the conversion member (31) comprises a cover plate (311), the cover plate (311) is located on the top of the display screen (2), side plates (312) are fixedly mounted on both ends of the cover plate (311), and the cover plate (311) is movably connected to the top of the display screen (2) via the side plates (312); The side panels (312) are movably connected to both sides of the main housing (1) via sliders (313), and the side panels (312) are connected to the main housing (1) via positioning bolts (314). The side panels (312) are arranged in parallel with each other and the side panels (312) correspond to the sliders (313) one by one.

2. A portable ultrasonic flaw detector according to claim 1, characterized in that: A clamping strip (315) is fixedly mounted on one side of the cover plate (311) close to the display screen (2), a sponge wiping strip (316) is arranged on the outer side of the clamping strip (315), and the sponge wiping strip (316) is located between the cover plate (311) and the display screen (2).

3. A portable ultrasonic flaw detector according to claim 2, characterized in that: A clamping block (317) is arranged on one side of the sponge wiping strip (316) away from the clamping strip (315); the other end of the clamping block (317) is connected to a push rod (318); one end of the push rod (318) protrudes from the outside of the cover plate (311); a spring (319) is arranged on the outside of the push rod (318); and the push rod (318) is movably connected to the inner side of the cover plate (311) via the spring (319).

4. A portable ultrasonic flaw detector according to claim 1, characterized in that: The protective component (3) also includes a wire management component (32), the wire management component (32) includes a deflection arm (321), the deflection arm (321) is distributed on both sides of the main housing (1), one end of the deflection arm (321) is hinged to the main housing (1), the other end of the deflection arm (321) is movably connected to an extension shaft (322), one end of the extension shaft (322) extends to the inner side of the deflection arm (321), the other end of the extension shaft (322) is hinged to an angle seat (323), and the angle seats (323) are arranged parallel to each other, and a threading ring (324) is arranged between the angle seats (323).

5. A portable ultrasonic flaw detector according to claim 4, characterized in that: A rubber sleeve (325) is installed on the inner side of the threading ring (324), positioning shafts (326) are installed on both sides of the threading ring (324), and the threading ring (324) is connected to the angle seat (323) through the positioning shafts (326).

6. A portable ultrasonic flaw detector according to claim 5, characterized in that: The wire management member (32) further comprises a wire (327), one end of which is located on the inner side of the main housing (1), and the other end of which is connected to a sensor (328) after passing through the rubber sleeve (325).

7. A portable ultrasonic flaw detector according to claim 1, characterized in that: The flaw detection body (4) includes a transmitter (41) and a receiver (42). A processing unit (43) and a control panel (44) are also provided on the inner side of the main shell (1). The control panel (44) is located between the display screen (2) and the processing unit (43). The transmitter (41) is connected to a sensor (328) via a wire (327).

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