Nondestructive flaw detection equipment for steel structure

By introducing an extrusion coating mechanism and a hidden probe mechanism into the non-destructive testing equipment for steel structures, the problems of probe damage and coupling agent waste have been solved, achieving probe protection and uniform coating of coupling agent, thereby improving the service life and economy of the equipment.

CN224019739UActive Publication Date: 2026-03-20SHANDONG QUANJIAN ENG TESTING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing non-destructive testing equipment for steel structures is prone to probe damage due to improper operation when applying couplant, resulting in reduced service life and difficulty in controlling the amount of couplant applied, leading to waste.

Method used

A non-destructive testing device for steel structure was designed, which includes an extrusion coating mechanism and a hidden probe mechanism. The amount of coupling agent is controlled by a rubber airbag, and the probe is protected from damage during the coating process by the hidden probe mechanism. The uniform coating of coupling agent is achieved by using a reservoir ring.

Benefits of technology

It effectively protects the probe, extends its service life, reduces coupling agent waste, and improves the economy and operational efficiency of the testing equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of engineering detection, and provides steel structure nondestructive flaw detection equipment which comprises a flaw detector main body and a hidden probe connecting mechanism, a coupling agent storage box is arranged on the rear side of the flaw detector main body, and the coupling agent storage box is connected with an extrusion coating mechanism; the extrusion smearing mechanism comprises a rubber air bag, the rubber air bag communicates with an air storage ring, the air storage ring communicates with a coupling agent storage box, the coupling agent storage box communicates with an agent storage ring through a Laval pipe, and an agent outlet hole is formed in the bottom of the agent storage ring; the probe hiding mechanism comprises an ultrasonic probe connected with the flaw detector body, a rubber air bag is arranged on the outer side of the ultrasonic probe and arranged on a mounting block, an air storage ring is arranged at the bottom of the mounting block and connected with an agent storage ring through a reset spring, and the end of the ultrasonic probe can penetrate through the agent storage ring. The probe can be protected, the probe is prevented from being damaged when a coupling agent is smeared, the service life of the device is prolonged, and the economical efficiency of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering detection technical field, concretely relates to a steel structure nondestructive flaw detection equipment. BACKGROUND

[0002] Steel structure is a kind of building structure form using steel as main structural material to support and carry building load. Steel structure is usually composed of steel column, steel beam, steel truss and steel plate etc., these components are assembled by welding, bolt connection or riveting etc., steel structure needs to be detected and evaluated periodically to ensure its safety and reliability, for this, steel structure detection device will be needed.

[0003] The State Intellectual Property Office of China discloses application No. 202323594176.8 a kind of steel structure nondestructive flaw detection equipment including flaw detector main body, holding handle, coupling agent storage tank, probe piece, smearing communication tray, protection scraping mechanism and smearing drive mechanism, holding handle is fixedly connected at the left side of flaw detector main body;The coupling agent storage tank is fixedly connected at the rear of flaw detector main body;The probe piece is set at the right side of flaw detector main body;The smearing communication tray is fixedly connected at the middle position of probe piece;The protection scraping mechanism is set at the outside of probe piece;The smearing drive mechanism is set below probe piece, avoids worker to smearing coupling agent in advance, reduces operation step, reduces the labor intensity of worker.

[0004] But the above-mentioned in steel structure nondestructive flaw detection smearing coupling agent, worker in smearing process is prone to improper operation to cause probe damage, leading to the service life of flaw detector probe reduces, economy is poor, and the smearing amount of coupling agent is not easy to control, is prone to waste.

[0005] Therefore, in view of the above problems, a kind of steel structure nondestructive flaw detection equipment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model is deficient in view of prior art, develops a kind of steel structure nondestructive flaw detection equipment, the utility model can protect probe, avoid the scratch and other damage of probe when smearing coupling agent, improve the service life and economy of device.

[0007] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0008] The utility model provides a kind of steel structure nondestructive testing equipment, including flaw detector main body, flaw detector main body connects hidden probe mechanism, flaw detector main body rear side is provided with coupling agent storage tank, coupling agent storage tank is used for storing coupling agent, coupling agent storage tank is connected extrusion coating mechanism, extrusion coating mechanism is arranged in the outside of hidden probe mechanism;Extrusion coating mechanism includes rubber air bag, rubber air bag is connected with gas storage ring, gas storage ring is connected with coupling agent storage tank, coupling agent storage tank is connected with agent storage ring by Laval tube, agent storage ring bottom is provided with agent hole, for discharging coupling agent;Hidden probe mechanism includes ultrasonic probe, ultrasonic probe is connected with flaw detector main body, ultrasonic probe outside is provided with rubber air bag, rubber air bag is arranged on mounting block, gas storage ring is arranged on the bottom of mounting block, the end of ultrasonic probe can penetrate agent storage ring, and agent storage ring is connected with gas storage ring by reset spring.

[0009] As preferred, the front of the flaw detector main body is provided with a display screen, a setting button, an adjusting knob and an adjusting button, and a support plate is arranged on the flaw detector main body below the coupling agent storage tank and is rotatably connected to the rear side of the flaw detector main body by a rotating rod.

[0010] As preferred, an exhaust pipe is arranged on the upper side of the coupling agent storage tank, an air outlet pipe is arranged on one side of the gas storage ring, the exhaust pipe and the air outlet pipe are connected by a one-way valve, the gas flows from the air outlet pipe to the exhaust pipe, an agent outlet pipe is arranged on the bottom side of the coupling agent storage tank, one end of the agent outlet pipe, which is away from the coupling agent storage tank, is connected to the Laval tube and then to the agent storage ring.

[0011] As preferred, a gas inlet hole is further arranged on the gas storage ring or the rubber air bag, and a one-way valve is arranged at the gas inlet hole to prevent the gas in the gas storage ring and the rubber air bag from being discharged from the gas inlet hole.

[0012] As preferred, the hidden probe mechanism further includes a connecting block, the connecting block is arranged on the side of the gas storage ring, which is away from the mounting block, and the ultrasonic probe penetrates the connecting block, the reset spring is sleeved outside the ultrasonic probe in the connecting block, and the agent storage ring is slidably connected to the connecting block in a direction parallel to the axis of the ultrasonic probe.

[0013] As preferred, a limiting block is arranged on the bottom of the gas storage ring, one end of the limiting block is connected to the reset spring, and the other end of the reset spring is connected to the agent storage ring.

[0014] As preferred, a probe hole is arranged in the middle of the agent storage ring to accommodate the end of the ultrasonic probe.

[0015] The effects provided in the utility model are only the effects of the embodiments, not all the effects of the utility model, and the above technical solutions have the following advantages:

[0016] The utility model discloses a setting extrusion smearing mechanism, when the worker carries out the nondestructive testing of steel structure, the worker can control extruded rubber air bag, and the gas in rubber air bag is evenly discharged to control the use amount of coupling agent, and the coupling agent can rapidly fill the storage ring when passing through the laval tube, and the coupling agent is more uniform when going out of the hole, the storage ring below the probe realizes the storage function and can scrape the coupling agent on the surface of steel structure, and the practicality is better, the hidden probe mechanism is set up, when carrying out the nondestructive testing of steel structure, the probe is hidden in the storage ring, when smearing the coupling agent uniformly, avoids the friction damage of probe, after smearing the coupling agent uniformly, the probe is explored again, avoids the damage of probe, and prolongs the service life of probe. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, and do not constitute a limitation on the present application.

[0018] Figure 1 It is the whole structure schematic diagram of the embodiment of the utility model;

[0019] Figure 2 It is the whole structure back structure schematic diagram of the embodiment of the utility model;

[0020] Figure 3 It is the hidden probe mechanism partial structure schematic diagram of the embodiment of the utility model;

[0021] Figure 4 It is the partial section structure schematic diagram of the hidden probe mechanism of the embodiment of the utility model.

[0022] In the drawing, 1, setting button;2, display screen;3, adjusting knob;4, adjusting button;5, exhaust pipe;6, rubber air bag;7, ultrasonic probe;8, laval tube;9, storage ring;10, connecting block;11, gas storage ring;12, agent outlet hole;13, probe hole;14, agent outlet pipe;15, air outlet pipe;16, mounting block;17, air inlet hole;18, support plate;19, rotating rod;20, coupling agent storage box;21, return spring;22, limit block. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] AsFigures 1-4 The utility model provides a technical scheme:

[0025] A kind of steel structure nondestructive testing equipment, including flaw detector main body, extrusion smearing mechanism and hidden probe mechanism, flaw detector main body connects hidden probe mechanism, coupling agent storage tank 20 is arranged at the back of flaw detector main body, coupling agent is stored in coupling agent storage tank 20, preferably, coupling agent storage tank 20 adopts transparent material, the use amount of coupling agent is conveniently observed, coupling agent storage tank 20 connects extrusion smearing mechanism, extrusion smearing mechanism is arranged at the outside of hidden probe mechanism;Extrusion smearing mechanism includes rubber air bag 6, rubber air bag 6 is communicated with gas storage ring 11, gas storage ring 11 is communicated with coupling agent storage tank 20, coupling agent storage tank 20 is communicated with storage ring 9 by Laval tube 8, storage ring 9 bottom is provided with agent hole 12, for discharging coupling agent;Hidden probe mechanism includes ultrasonic probe 7, ultrasonic probe 7 is electrically connected with flaw detector main body, for transmitting the data of detection to flaw detector main body, rubber air bag 6 is arranged at the outside of ultrasonic probe 7, part of rubber air bag 6 is arranged inside mounting block 16, the rest of rubber air bag 6 is located at the outside of mounting block 16 and can be extruded, gas storage ring 11 is arranged at the bottom of mounting block 16, gas storage ring 11 is connected with storage ring 9 by return spring 21, the end of ultrasonic probe 7 can penetrate storage ring 9, that is, storage ring 9 can move relative to the end of ultrasonic probe 7.

[0026] In an alternative embodiment, the front of the flaw detector main body is provided with a display screen 2, a setting button 1, an adjusting knob 3 and an adjusting button 4, the display screen 2 is used to display the image results of detection, the setting button 1 is used to adjust the detection mode, the adjusting knob 3 and the adjusting button 4 are used to adjust the detection accuracy, the above settings of the flaw detector main body can also choose the common ultrasonic flaw detector main body on the market, which is economical, and a support plate 18 is arranged on the flaw detector main body below the coupling agent storage tank 20, the support plate 18 is rotatably arranged at the back of the flaw detector main body by a rotating rod 19, so as to facilitate placement and improve stability.

[0027] In an alternative embodiment, an exhaust pipe 5 is arranged on the upper side of the coupling agent storage tank 20, one side of the gas storage ring 11 is provided with an air outlet pipe 15, the exhaust pipe 5 is communicated with the air outlet pipe 15, and the gas storage ring 11 is communicated with the air outlet pipe 15 through a one-way valve I or communicated between the air outlet pipe 15 and the exhaust pipe 5 through a one-way valve I, the gas flow direction of the one-way valve I is from the air outlet pipe 15 to the exhaust pipe 5, so that the gas flows in one direction, avoiding the waste and damage of the equipment caused by the backflow of the coupling agent, an agent outlet pipe 14 is arranged on the bottom side of the coupling agent storage tank 20, one end of the agent outlet pipe 14 away from the coupling agent storage tank 20 is communicated with the Laval tube 8 and then communicated with the storage ring 9, the Laval tube 8 can accelerate the coupling agent when it passes through, so as to quickly fill the storage ring 9, improving the efficiency and uniformity of the coupling agent discharge.

[0028] In an alternative embodiment, the air inlet hole 17 is arranged on the air storage ring 11 or a part of the rubber air bag 6 outside the mounting block 16, and a one-way valve 2 is arranged at the air inlet hole 17 to prevent the gas in the air storage ring 11 and the rubber air bag 6 from being discharged from the air inlet hole 17, and preferably, a plug can also be arranged at the air inlet hole 17 to block the air inlet hole 17 when the rubber air bag 6 is discharging air, and the plug is opened to supplement air when the rubber air bag 6 needs to take in air, which is more economical.

[0029] In an alternative embodiment, the hidden probe mechanism further comprises a connecting block 10 arranged on the side of the air storage ring 11 away from the mounting block 16, and the ultrasonic probe 7 penetrates through the middle of the connecting block 10, the reset spring 21 is sleeved outside the ultrasonic probe 7 inside the connecting block 10, and the air storage ring 9 is in sliding connection with the connecting block 10 in the direction parallel to the axis direction of the ultrasonic probe 7, and a cavity for accommodating the air storage ring 9 is arranged in the connecting block 10 to facilitate the end of the ultrasonic probe 7 to be leaked out.

[0030] In an alternative embodiment, a limiting block 22 is arranged at the bottom of the air storage ring 11, one end of the limiting block 22 is connected with the reset spring 21, and the other end of the reset spring 21 is connected with the air storage ring 9 to limit the air storage ring 9, so that the air storage ring 9 is prevented from falling off during use of the device, and the end of the ultrasonic probe 7 is prevented from being easily leaked out through the elasticity of the reset spring 21.

[0031] In an alternative embodiment, a probe hole 13 is arranged to penetrate through the middle of the air storage ring 9 to accommodate the end of the ultrasonic probe 7, and the ultrasonic probe 7 is protected.

[0032] Working principle: when the steel structure needs to be detected, the rubber air bag 6 is initially filled with gas, the gas in the rubber air bag 6 is discharged into the air storage ring 11 by extruding the rubber air bag 6, the gas in the air storage ring 11 enters the upper part of the coupling agent storage tank, so that the coupling agent in the coupling agent storage tank is pressed out, the amount of the coupling agent can be controlled, and the waste of the coupling agent is reduced; then the coupling agent reaches the Laval tube 8 through the agent outlet pipe 14 to accelerate the filling of the air storage ring 9, so that the coupling agent flows out more uniformly; when the coupling agent flows out through the agent outlet hole 12, the workers can use the plane at the bottom of the air storage ring 9 to evenly spread the coupling agent on the steel structure, and the probe is hidden in the probe hole 13 at this time, so that the probe is prevented from being damaged; after the spreading is uniform, the workers press the top of the probe, the probe is stretched out from the probe hole 13, so that the inside of the steel structure can be detected; when the data is transmitted to the ultrasonic flaw detector, the probe is retracted, and when it is used again, the air inlet hole 17 on the rubber air bag 6 is opened, so that the gas fills the rubber air bag 6 again, and the instrument can be used again.

[0033] The details of the utility model not described are conventional technical means known to those skilled in the art.

[0034] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and so on indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0035] In addition, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second" can explicitly or implicitly include one or more features, in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specifically limited.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

[0037] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those of ordinary skill in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirits and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A non-destructive testing equipment for steel structures, comprising a flaw detector body, characterized in that, The flaw detector body is connected to the hidden probe mechanism, and a coupling agent storage box (20) is set on the rear side of the flaw detector body. The coupling agent storage box (20) is connected to the extrusion and application mechanism. The extrusion coating mechanism includes a rubber air bladder (6), which is connected to an air storage ring (11). The air storage ring (11) is connected to a coupling agent storage tank (20). The coupling agent storage tank (20) is connected to a coupling agent ring (9) through a Laval tube (8). The coupling agent ring (9) has an outlet hole (12) at its bottom. The hidden probe mechanism includes an ultrasonic probe (7), which is connected to the flaw detector body. A rubber airbag (6) is set on the outside of the ultrasonic probe (7). The rubber airbag (6) is set on the mounting block (16). The air storage ring (11) is set at the bottom of the mounting block (16). The air storage ring (11) is connected to the reservoir ring (9) through a return spring (21). The end of the ultrasonic probe (7) can penetrate the reservoir ring (9).

2. The non-destructive testing equipment for steel structures according to claim 1, characterized in that: The front of the flaw detector body is equipped with a display screen (2), a setting button (1), an adjustment knob (3) and an adjustment button (4). A support plate (18) is set on the flaw detector body below the coupling agent storage box (20). The support plate (18) is rotatably connected to the rear side of the flaw detector body through a rotating rod (19).

3. The non-destructive testing equipment for steel structures according to claim 2, characterized in that: An exhaust pipe (5) is provided on the upper side of the coupling agent storage tank (20), and an outlet pipe (15) is provided on one side of the gas storage ring (11). The exhaust pipe (5) and the outlet pipe (15) are connected by a one-way valve, and the gas flow direction is from the outlet pipe (15) to the exhaust pipe (5). An outlet pipe (14) is provided on the bottom side of the coupling agent storage tank (20). The end of the outlet pipe (14) away from the coupling agent storage tank (20) is connected to the Laval pipe (8) and then connected to the storage ring (9). It also includes an air inlet (17), which is set on the air storage ring (11) or the rubber air bag (6), and a one-way valve is set at the air inlet (17) to prevent the gas in the air storage ring (11) and the rubber air bag (6) from being discharged from the air inlet (17).

4. The non-destructive testing equipment for steel structures according to claim 3, characterized in that: The hidden probe mechanism also includes a connecting block (10), which is located on the side of the gas storage ring (11) away from the mounting block (16). The ultrasonic probe (7) passes through the connecting block (10), and the reset spring (21) is sleeved on the outside of the ultrasonic probe (7) inside the connecting block (10). The gas storage ring (9) is slidably connected to the connecting block (10), and the sliding direction is parallel to the axis of the ultrasonic probe (7). A limiting block (22) is provided at the bottom of the gas storage ring (11). The limiting block (22) is connected to one end of the reset spring (21), and the other end of the reset spring (21) is connected to the gas storage ring (9).

5. The non-destructive testing equipment for steel structures according to claim 4, characterized in that: A probe hole (13) is opened through the middle of the reservoir ring (9) to accommodate the end of the ultrasonic probe (7).

Citation Information

Patent Citations

  • Non-destructive detection equipment for steel structure

    CN221707379U