CN212228840U

CN212228840U - Handheld ultrasonic detection probe auxiliary positioning device

Info

Publication number: CN212228840U
Application number: CN202020612105.3U
Authority: CN
Inventors: 吴凡; 许国东; 郭振; 史林; 高翔彪; 邱学刚
Original assignee: Jiangsu Testing Center For Quality Of Construction Engineering Co ltd
Current assignee: Jiangsu Testing Center For Quality Of Construction Engineering Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-25
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a handheld ultrasonic detection probe assistance-localization real-time device, the oscillography position when handheld ultrasonic detection probe assistance-localization real-time device is used for assistance-localization real-time to detect a flaw, handheld ultrasonic detection probe assistance-localization real-time device's structural component includes chuck, tape measure box, tape measure, adjusting roller and fixed button. The auxiliary positioning device for the handheld ultrasonic detection probe is accurate in positioning and high in safety.

Description

Handheld ultrasonic detection probe auxiliary positioning device

Technical Field

The utility model belongs to metal nondestructive test device design field, concretely relates to handheld ultrasonic detection probe auxiliary positioning device.

Background

In nondestructive inspection, ultrasonic flaw detection is a method for inspecting defects of parts by using the characteristic that ultrasonic energy penetrates deep into a metal material and is reflected at the edge of an interface when the ultrasonic energy enters another section from the section.

When the ultrasonic wave is transmitted in the medium, the ultrasonic wave has the characteristic of reflection on a heterogeneous interface, if a defect is encountered, and the size of the defect is equal to or larger than the wavelength of the ultrasonic wave, the ultrasonic wave is reflected back on the defect, and the flaw detector can display the reflected wave; if the size of the defect is even smaller than the wavelength, the sound wave will bypass the defect and cannot be reflected.

In field hand-held ultrasonic weld seam flaw detection, a measuring ruler is often needed to position the position of a defect to determine whether the defect appears on the weld seam, if the horizontal distance of the overproof defect displayed on an ultrasonic flaw detector is 15mm, and the actual probe is 18mm from the edge of the weld seam, the defect is not on the weld seam and is judged to be the defect. Therefore, in field experiments, an experimenter needs to hold the ultrasonic flaw detector with one hand and hold the probe with the other hand, and when a flaw echo appears on a display screen of the flaw detector, the experimenter needs to leave one hand, so that the probe can only be moved away from a workpiece and is changed into a measuring tool for measuring the position of a flaw.

This operation has two disadvantages. First, the probe is removed without the gauge start point completely coinciding with the probe, so that the accuracy of the measurement point is degraded. Second, the operation of such switching gauges is extremely dangerous when the laboratory worker is working at height.

SUMMERY OF THE UTILITY MODEL

For solving current hand-held type ultrasonic flaw detector and need hand probe, measuring tape and flaw detector display screen simultaneously, and then lead to the operational difficulty, measure inaccurate and have the potential safety hazard scheduling problem, the utility model provides a handheld ultrasonic testing probe assistance-localization real-time device.

The auxiliary positioning device of the handheld ultrasonic detection probe is detachably connected with the ultrasonic detection probe, and structurally comprises a length measuring device and a chuck, wherein the chuck is fixedly connected with the length measuring device and detachably connected with the ultrasonic detection probe; and the central line of the length measuring device in the length direction is superposed with the central line of the probe.

The length measuring device comprises a laser length measuring device, an infrared length measuring device or a tape length measuring device.

When the length measuring device is structurally a tape length measuring device, the structure of the length measuring device comprises a tape box, a tape, an adjusting roller and a fixed button; the tape measure box is fixedly connected with the chuck; the adjusting roller is arranged on the side surface of the chuck and is in contact with the tape measure; the fixed button is arranged on the chuck and is parallel to the direction of the tape measure.

The tape measure box is arranged inside the chuck, so that the position of the tape measure box can be fixed conveniently, and the length measuring direction of the tape measure does not shake.

The fixed button is arranged at the top of the chuck and can clamp the tape measure.

The tape is telescopic from the chuck to the probe, so that the length measured by the tape and the distance between the probes can be compared quickly.

The scale of the tape measure is accurate to millimeters.

The length of the chuck is adjustable, and bulges are arranged at two ends of the chuck with adjustable length.

The chuck can be in a clamp shape and can be clamped on the surface of a test piece, and the length of the chuck can be adjusted by a slide fastener or a buckle so as to be fixed on the surface of the test piece.

When the flaw detection of a test piece is carried out, the chuck of the handheld ultrasonic detection auxiliary device is clamped on a probe, the ultrasonic flaw detector is observed, the probe moves on the surface of the test plate, when the probe moves to the position with the defect of the test plate, the reading of the ultrasonic flaw detector is L1, the defect from the top of the probe to the position of L1 is displayed, and the probe rolls at the moment, the adjusting roller of the handheld ultrasonic detection auxiliary device is adjusted to enable the reading to be L1, and the reading of the tape is fixed by pressing a fixing button, so that the distance from the probe to a welding seam can be easily seen to be L2, and if L1 is greater than L2, the defect is not on the welding seam, and therefore, the defect can be judged to be a false defect; if L1 < L2, the defect is on the welding seam, so the defect can be judged as the defect; therefore, the steps of putting down the flaw detector and turning to hand to measure by using the measuring scale are omitted, and the accuracy and the safety are ensured.

The auxiliary positioning device of the handheld ultrasonic detection probe can assist the requirement of ultrasonic detection positioning at ordinary times, can complete the positioning of the defect position by single-hand operation, and helps detection personnel to determine the condition of abnormal echo.

Drawings

FIG. 1: the structure schematic diagram of the auxiliary positioning device for the handheld ultrasonic detection probe is a front view.

FIG. 2: the structure schematic diagram of the auxiliary positioning device for the handheld ultrasonic detection probe is shown in a side view.

FIG. 3: the structure schematic diagram top view of the auxiliary positioning device of the handheld ultrasonic detection probe.

Wherein 1 is a tape measure box, 2 is an adjusting roller, 3 is a tape measure, 4 is a fixed button, and 5 is a chuck.

FIG. 4: the handheld ultrasonic detection probe auxiliary positioning device and the ultrasonic probe are combined in a schematic view.

Wherein 6 is the auxiliary positioning device of the handheld ultrasonic detection probe, and 7 is the detection probe

FIG. 5: the inner structure of the tape measure box is schematic.

FIG. 6: the handheld ultrasonic detection probe auxiliary positioning device is an application schematic front view.

FIG. 7: the application schematic view of the auxiliary positioning device for the handheld ultrasonic detection probe is shown in the attached drawing.

Wherein 6 is the auxiliary positioning device of the handheld ultrasonic detection probe, and 8 is an ultrasonic flaw detector

Detailed Description

The auxiliary positioning device for the handheld ultrasonic detection probe (hereinafter referred to as the device) is used for assisting in positioning an oscillography position during flaw detection, and structurally comprises a chuck, a tape box, a tape, an adjusting roller and a fixing button.

The chuck is used for fixing the ultrasonic detection probe auxiliary positioning device on the probe and moving synchronously with the probe; the tape box is positioned at the upper part of the chuck, and the operation adjusting roller is arranged on the side surface of the chuck and used for adjusting the extension of the tape; the fixed button is arranged at the top of the chuck, so that the tape can be fixed in length; the measuring tape extends out of the measuring tape box and stretches between the chuck and the probe, and the scale of the measuring tape is accurate to millimeter.

When performing flaw detection work, as shown in fig. four: the clamp of the component 5 is clamped on the probe, the ultrasonic flaw detector is observed, the probe moves on the surface of a test plate and moves to the defect of the test plate, the indication number of the ultrasonic flaw detector is observed to be L1, the defect at the position L1 away from the top of the probe is displayed, the No. 2 component adjusting roller of the device is rolled at the moment, the indication number of the No. 3 component measuring tape is adjusted to be L1, the indication number of the measuring tape is fixed by pressing the No. 4 component fixing button, and the defect shown in the L2 distance from the probe to the welding seam can be easily seen to be not on the welding seam because L1 is larger than L2, so that the false defect can be judged. The steps of putting down the flaw detector and turning to hand to measure by a measuring scale are omitted.

Claims

1. A handheld ultrasonic detection probe auxiliary positioning device is detachably connected with an ultrasonic detection probe, and is characterized in that the handheld ultrasonic detection probe auxiliary positioning device structurally comprises a length measuring device and a chuck, wherein the chuck is fixedly connected with the length measuring device and detachably connected with the ultrasonic detection probe; and the central line of the length measuring device in the length direction is superposed with the central line of the probe.

2. A hand-held ultrasonic testing probe assisting positioning device as claimed in claim 1 wherein the length measuring means comprises a laser length measuring means, an infrared length measuring means or a tape length measuring means.

3. The auxiliary positioning device for the handheld ultrasonic testing probe as claimed in claim 2, wherein the structure of the length measuring device is a tape length measuring device, and the tape length measuring device comprises a tape box, a tape, an adjusting roller and a fixing button; the tape measure box is fixedly connected with the chuck; the adjusting roller is arranged on the side surface of the chuck and is in contact with the tape measure; the fixed button is arranged on the chuck and is parallel to the direction of the tape measure.

4. The hand-held ultrasonic testing probe auxiliary positioning device of claim 3, wherein the tape measure box is disposed inside the collet.

5. The ultrasonic test probe assisting positioning device of claim 3, wherein the fixing button is arranged at the top of the chuck, and the fixing button can clamp a tape measure.

6. A hand-held ultrasonic test probe assisting positioning device according to claim 3 wherein the tape measure is retractable from between the cartridge and the probe.

7. A hand-held ultrasonic testing probe assisting positioning device according to claim 3, wherein the scale of the tape measure is accurate to millimetres.

8. The auxiliary positioning device for the handheld ultrasonic testing probe as claimed in claim 1, wherein the length of the clamp is adjustable, and the two ends of the clamp with adjustable length are provided with protrusions.