CN219391916U

CN219391916U - Steel structure welding seam ultrasonic detection probe adjusting and fixing device

Info

Publication number: CN219391916U
Application number: CN202320468714.XU
Authority: CN
Inventors: 张伟; 袁冠海; 冯正康
Original assignee: Hangzhou Construction Quality Testing Centre Co ltd
Current assignee: Hangzhou Construction Quality Testing Centre Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-21
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a steel structure welding seam ultrasonic detection probe adjusting and fixing device which comprises a first clamping plate, a second clamping plate, an adjustable device arranged at the tops of the first clamping plate and the second clamping plate and an adjustable cross rod arranged between the first clamping plate and the second clamping plate. The adjustable device comprises a screw rod, a rotating rod arranged at one end of the screw rod and a clamping block arranged at the other end of the screw rod. The distance between the ultrasonic probe clamping devices is adjustable, different ultrasonic probes can be dealt with only by manually adjusting the ultrasonic probe clamping devices, the defect that incident sound waves cannot be kept perpendicular to transverse through holes on standard test blocks inevitably existing in manual operation is overcome, the highest detected waves are low, and the adjustment precision and efficiency of the probe are greatly improved.

Description

Steel structure welding seam ultrasonic detection probe adjusting and fixing device

Technical Field

The utility model relates to the technical field of steel structure detection, in particular to a steel structure welding seam ultrasonic detection probe adjusting and fixing device.

Background

The abscissa of the display screen of the current portable pulse reflection type ultrasonic flaw detector is the propagation distance of ultrasonic waves in a detected material, and the ordinate is the amplitude of ultrasonic reflection waves. A defect exists in a steel workpiece, so that an interface between different media is formed between the defect and the steel material, acoustic impedances between the interfaces are different, reflected energy is received by a probe after emitted ultrasonic waves meet the interface, a waveform of the reflected wave is displayed at a certain position of an abscissa in a display screen, the position of the abscissa is the depth of the defect in a detected material, and the height and the shape of the reflected wave are different due to different defects, so that the property of the defect is reflected.

Therefore, the ultrasonic probe needs to be readjusted before or after the ultrasonic detection of the welding seam of the steel structure begins to detect for a certain time, so as to determine whether the horizontal linearity and the vertical linearity of the welding seam are met or not, and the positioning and the quantitative accuracy in the ultrasonic detection work are ensured.

In the existing detection device, the hand-held ultrasonic probe is mainly used for scanning back and forth on the standard test block to find the highest wave during debugging, the incident sound wave inevitably exists in manual operation and cannot keep vertical to the transverse through hole on the standard test block, the found highest wave is low, the accuracy of the DAC curve is low, and meanwhile, the calibrating efficiency is low.

Disclosure of Invention

The present utility model aims to solve the problems existing in the prior art. Therefore, the utility model aims to provide the device for adjusting and fixing the ultrasonic detection probe of the welding seam of the steel structure, and the ultrasonic probe is always vertical to the transverse through hole on the standard test block through the device capable of fixing the probe, so that the DAC curve is more accurate, and the adjusting efficiency is also greatly improved.

In order to achieve the above purpose, the utility model provides an adjusting and fixing device for an ultrasonic detection probe of a steel structure welding seam, which comprises a first clamping plate, a second clamping plate, an adjustable device arranged at the top parts of the first clamping plate and the second clamping plate, and an adjustable cross rod arranged between the first clamping plate and the second clamping plate. The adjustable device comprises a screw, a rotating rod arranged at one end of the screw and a clamping block arranged at the other end of the screw; the adjustable cross rod comprises a first square rod arranged on the inner side of the first clamping plate, a second square rod arranged on the inner side of the second clamping plate and inserted into the first square rod, a fixed sleeve arranged on the first square rod and the second square rod, and an adjustable buckle arranged on the outer portion of the fixed sleeve.

On the basis of the scheme, the first clamping plate and the second clamping plate are provided with hollow connecting rods at the tops, threads matched with the screw rods are arranged in the connecting rods and the first clamping plate and the second clamping plate, and the screw rods are movably connected with the first clamping plate, the second clamping plate and the connecting rods through the threads.

Further, the number of the adjustable devices is two, and the adjustable devices are oppositely arranged on the first clamping plate and the second clamping plate.

On the basis of the scheme, the first square rod and the second square rod are of hollow structures, the outer dimension of the second square rod is identical to the inner dimension of the first square rod, one end of the first square rod is connected with the first clamping plate, the other end of the first square rod is connected with the second square rod, one end of the second square rod is connected with the second clamping plate, and the other end of the second square rod is connected with the first square rod.

On the basis of the scheme, a plurality of spacing holes distributed at equal intervals are formed in the surface of the second square rod.

On the basis of the scheme, the adjustable buckle is movably connected to the fixed sleeve through the rotating shaft, and one end of the adjustable buckle is provided with a limiting buckle matched with the limiting hole for use; one end of the adjustable buckle is provided with a reset spring, one end of the reset spring is fixedly arranged on the adjustable buckle, and the other end of the reset spring is fixedly arranged on the fixed sleeve.

On the basis of the scheme, a plurality of rollers are arranged at the bottom of the second clamping plate.

The utility model has the beneficial effects that:

1. the distance between the ultrasonic probe clamping devices is adjustable, different ultrasonic probes can be dealt with only by manually adjusting the ultrasonic probe clamping devices, the defect that incident sound waves cannot be kept perpendicular to transverse through holes on standard test blocks inevitably existing in manual operation is overcome, the highest wave obtained is low, and the adjustment precision and efficiency of the probe are greatly improved;

2. according to the utility model, the distance between the first clamping plate and the second clamping plate can be adjusted, and different standard test blocks can be dealt with only by manually adjusting the distance.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a partial cross-sectional view of the present utility model;

fig. 4 is a schematic diagram of the operation of the present utility model.

In the figure: 1. the ultrasonic probe comprises a first clamping plate, a second clamping plate, a screw rod, a rotating rod, a clamping block, a first square rod, a second square rod, a fixing sleeve, an adjustable buckle, a connecting rod, a limiting hole, a limiting buckle, a restoring spring, a roller, a standard test block and an ultrasonic probe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be understood as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terms "a" or "an" and the like as used in the description and the claims do not denote a limitation of quantity, but rather denote the presence of at least one. The term "plurality" includes two, corresponding to at least two. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

As shown in fig. 1-3, the steel structure welding seam ultrasonic detection probe adjusting and fixing device comprises a first clamping plate 1, a second clamping plate 2, an adjustable device arranged at the top of the first clamping plate 1 and the second clamping plate 2, and an adjustable cross rod arranged between the first clamping plate 1 and the second clamping plate 2. Wherein the first clamping plate 1 and the second clamping plate 2 are used for clamping a standard test block 15; the adjustable device is used for clamping and fixing the ultrasonic probe 16, so that the sound wave emitted by the ultrasonic probe 16 is always vertical to the transverse through hole on the standard test block 15, and the adjustment precision and efficiency of the probe are greatly improved; the adjustable cross bar is used to adjust the distance between the first clamping plate 1 and the second clamping plate 2 so as to be suitable for standard test blocks 15 of different sizes.

In this embodiment, the number of the adjustable devices is two, and the adjustable devices are oppositely arranged on the first clamping plate 1 and the second clamping plate 2, and the adjustable devices comprise a screw 3, a rotating rod 4 arranged at one end of the screw 3, and a clamping block 5 arranged at the other end of the screw 3; the top of the first clamping plate 1 and the top of the second clamping plate 2 are provided with connecting rods 10, threads matched with the screw rods 3 are arranged in the connecting rods 10, the first clamping plate 1 and the second clamping plate 2, and the screw rods 3 are movably connected in the first clamping plate 1, the second clamping plate 2 and the connecting rods 10 through the matching of the threads.

Preferably, the clamping block 5 is made of rubber material, so that no scratch is left on the ultrasonic probe 16 when the ultrasonic probe 16 is clamped.

In this embodiment, the adjustable cross bar comprises a first square rod 6 arranged on the inner side of the first clamping plate 1, a second square rod 7 arranged on the inner side of the second clamping plate 2 and inserted into the first square rod 6, a fixed sleeve 8 arranged on the first square rod 6 and the second square rod 7, and an adjustable buckle 9 arranged on the outer side of the fixed sleeve 8; the first square rod 6 and the second square rod 7 are hollow, the outer dimension of the second square rod 7 is identical to the inner dimension of the first square rod 6, one end of the first square rod 6 is connected with the first clamping plate 1, the other end of the first square rod is connected with the second square rod 7, one end of the second square rod 7 is connected with the second clamping plate 2, and the other end of the second square rod is connected with the first square rod 6; a plurality of limiting holes 11 distributed at equal intervals are formed in the surface of the second square rod 7; the adjustable buckle 9 is movably connected to the fixed sleeve 8 through a rotating shaft, one end of the adjustable buckle 9 is provided with a limiting buckle 12 matched with the limiting hole 11 for use, and the second square rod 7 is fixed in the second square rod 7 through the matching of the limiting hole 11 and the limiting buckle 12; one end of the adjustable buckle 9 is provided with a return spring 13, one end of the return spring 13 is fixedly arranged on the adjustable buckle 9, and the other end of the return spring is fixedly arranged on the fixed sleeve 8.

Preferably, two rollers 14 are arranged at the bottom of the second clamping plate 2, and the rollers 14 facilitate the movement of the second clamping plate 2.

Working principle: as shown in FIG. 4, a standard test block 15 is placed between the first clamping plate 1 and the second clamping plate 2, wherein an outer side surface of the standard test block 15 abuts against an inner side surface of the first clamping plate 1, then the adjustable buckle 9 is pressed to separate the limit buckle 12 from the limit hole 11, the second square rod 7 can freely move inside the first square rod 6 at this time, the distance between the second clamping plate 2 and the first clamping plate 1 can be adjusted by adjusting the length of the second square rod 7 inside the first square rod 6 until the second clamping plate 2 and the standard test block 15 are tightly attached together, and then the rotating rod 4 is rotated to adjust the position of the screw 3, so that the ultrasonic probe 16 is clamped by adjusting the position of the clamping block 5, the ultrasonic probe 16 is always vertical to a transverse through hole on the standard test block 15, and the labor intensity of workers is relieved while the adjustment accuracy and the efficiency of the probe are ensured.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steel construction welding seam ultrasonic testing probe timing fixing device, its characterized in that includes first splint, second splint, sets up first splint with adjustable device at second splint top and set up first splint with adjustable horizontal pole between the second splint, adjustable device includes the screw rod, sets up dwang and the setting of screw rod one end are in the clamp block of screw rod other end.

2. The steel structure welding seam ultrasonic detection probe adjustment fixing device according to claim 1, wherein a connecting rod with a hollow structure is arranged at the top of the first clamping plate and the top of the second clamping plate, and threads matched with the screw rods are arranged in the connecting rod, the first clamping plate and the second clamping plate.

3. The steel structure weld ultrasonic probe calibration fixture apparatus according to claim 2, wherein the number of the adjustable devices is two and are oppositely arranged on the first clamping plate and the second clamping plate.

4. The steel structure weld ultrasonic probe alignment fixture apparatus according to claim 3, wherein the adjustable cross bar comprises a first square bar disposed inside the first clamping plate, a second square bar disposed inside the second clamping plate and inserted inside the first square bar, a fixing sleeve disposed on the first square bar and the second square bar, and an adjustable buckle disposed outside the fixing sleeve.

5. The steel structure welding seam ultrasonic detection probe adjustment fixing device according to claim 4, wherein the first square rod and the second square rod are of hollow structures, and a plurality of limiting holes distributed at equal intervals are formed in the surface of the second square rod.

6. The steel structure welding seam ultrasonic detection probe adjustment fixing device according to claim 5, wherein the adjustable buckle is movably connected to the fixing sleeve through a rotating shaft, and one end of the adjustable buckle is provided with a limiting buckle matched with the limiting hole; one end of the adjustable buckle is provided with a reset spring, one end of the reset spring is fixedly arranged on the adjustable buckle, and the other end of the reset spring is fixedly arranged on the fixed sleeve.

7. The steel structure welding seam ultrasonic testing probe adjustment and fixation device according to claim 6, wherein a plurality of rollers are arranged at the bottom of the second clamping plate.