Ultrasonic flaw detection device for stainless steel pipe

Abstract

The utility model relates to the technical field of flaw detection of stainless steel tubes, in particular to an ultrasonic flaw detection device for stainless steel tubes, which comprises a flaw detection frame, a control underframe fixedly connected to the bottom end of the flaw detection frame, a support base fixedly connected to the bottom end of the control underframe, and an air control pump arranged on the back of the control underframe. A contraction seat is arranged in the control bottom frame, and a top cover is movably connected to the center of the interior of the flaw detection frame. According to the ultrasonic flaw detection device, the flaw detection frame, the control bottom frame, the supporting base, the air control pump machine, the telescopic seat, the top cover, the rotating shaft frame, the ultrasonic probe, the waterproof motor, the bubble discharging hole groove, the telescopic air bag and the telescopic top seat are arranged, so that the ultrasonic flaw detection device can be used for performing more sufficient and efficient ultrasonic flaw detection operation on the stainless steel pipe; a worker firstly annularly puts a steel pipe needing flaw detection into the flaw detection frame, and then starts the contraction seat to control the inflation and deflation operation into the contraction seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel pipe flaw detection technical field, concretely is a kind of ultrasonic flaw detection device for stainless steel pipe. BACKGROUND

[0002] The ultrasonic detector leak detection system is different from the specific gas sensor limited to the specific gas it is designed to sense, but detects by sound. Any gas passing through a leak will generate eddy currents, which will have a portion of the ultrasonic wave band, allowing the ultrasonic detector leak detection system to sense any type of gas leak. By scanning with the ultrasonic detector leak detection system, the leak can be heard through the headphones or seen as a change in the digital signal. The closer to the leak, the more obvious it is. If the environment is noisy, a rubber tube can be used to reduce the receiving area and block the ultrasonic waves. In addition, the frequency adjustment capability of the ultrasonic detector leak detection system also reduces background noise interference.

[0003] For example, the patent document with publication number CN 209542517 U discloses an ultrasonic flaw detection device for stainless steel pipe, which includes a rack, a workbench, an ultrasonic flaw detector and a pressing plate. The workbench is vertically slidingly arranged on the rack, and the rack is provided with a driving device for driving the workbench to slide. The ultrasonic flaw detection device for stainless steel pipe has the following advantages: the pressing plate is arranged on the lower surface of the workbench, and the lower surface of the pressing plate is an arc-shaped groove that is in close contact with the surface of the stainless steel pipe. This limits the position of the stainless steel pipe and better positions the stainless steel pipe. In addition, a guide groove is formed in the inner circumferential wall of the channel. Since a part of the pressing plate is in water, the water sprayed by the water spraying mechanism flows to the surface of the stainless steel pipe under the action of the guide groove, rather than directly falling onto the stainless steel pipe. This reduces the probability of causing horizontal movement and ensures the accuracy of the flaw detection of the stainless steel pipe.

[0004] However, this structure can only perform irregular ultrasonic flaw detection of the stainless steel pipe when actually performing flaw detection of the stainless steel pipe due to the limitation of its own structure. The ultrasonic waves emitted by the flaw detector cannot uniformly sweep over each stainless steel pipe. In addition, the equipment cannot perform orderly feeding and discharging of the stainless steel pipe, which cannot meet the daily use requirements. Therefore, there is an urgent need to design an ultrasonic flaw detection device for stainless steel pipe to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an ultrasonic flaw detection device for stainless steel pipe to solve the problem that the existing structure can only perform irregular ultrasonic flaw detection of the stainless steel pipe when actually performing flaw detection of the stainless steel pipe due to the limitation of its own structure, and the ultrasonic waves emitted by the flaw detector cannot uniformly sweep over each stainless steel pipe, and the equipment cannot perform orderly feeding and discharging of the stainless steel pipe, which cannot meet the daily use requirements.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an ultrasonic flaw detection device for stainless steel pipe, including the flaw detection frame, the bottom fixed connection of flaw detection frame has control chassis, the bottom fixed connection of control chassis has support base, the back of control chassis is provided with control air pump machine, the inside of control chassis is provided with contraction seat,

[0007] The top cover is movably connected to the inside center of the flaw detection frame, the outer surface of the top cover is sleeved with an annular top seat, and the bottom end of the annular top seat is fixedly connected with an annular pipe frame.

[0008] Preferably, the bottom end of the annular pipe frame is fixedly connected with an annular base, and the inside of the annular base is provided with a limiting ring groove.

[0009] Preferably, the side of the annular pipe frame is provided with a material channel, and the inner wall of the material channel is provided with a protective edge.

[0010] Preferably, the bottom end of the top cover is provided with a rotating shaft frame, and the four sides of the side of the rotating shaft frame are provided with ultrasonic probes.

[0011] Preferably, the bottom end of the rotating shaft frame is provided with a waterproof motor, and the surface of the top cover is provided with a bubble discharge hole groove.

[0012] Preferably, the inside of the contraction seat is provided with a telescopic air bag, and the top end of the telescopic air bag is fixedly connected with a telescopic top seat.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The ultrasonic flaw detection device for stainless steel pipe is provided with the flaw detection frame, control chassis, support base, control air pump machine, contraction seat, top cover, rotating shaft frame, ultrasonic probe, waterproof motor, bubble discharge hole groove, telescopic air bag and telescopic top seat, so that the device can perform more sufficient and efficient ultrasonic flaw detection operation on the stainless steel pipe. In actual use, the staff first puts the steel pipe to be detected into the inside of the flaw detection frame, then starts the contraction seat to control the inflation and deflation of the inside of the contraction seat, so that the telescopic air bag drives the telescopic top seat at one end to adjust the lifting, the top cover at the top end of the bubble discharge hole groove can be lifted up and down in the flaw detection frame, then the waterproof motor at the bottom end of the rotating shaft frame drives the ultrasonic probe in it to rotate, so that the ultrasonic emitted by the ultrasonic probe can fully scan every stainless steel pipe, and the bubbles generated by the ultrasonic probe can be discharged from the bubble discharge hole groove of the top cover along the flaw detection frame, so that the ultrasonic probe always detects at the bottom of the bubbles and does not affect the detection accuracy, which reflects the practicability of the device design.

[0015] The ultrasonic flaw detection device for stainless steel pipes further improves the overall use effect of the equipment, in the daily use process, the staff can put the stainless steel pipes one by one into the through material grooves and the protective edge strips of the annular pipe frame, and then the stainless steel pipes can be circularly and orderly arranged at the limiting ring grooves of the annular pipe frame bottom end annular base, so that the annular arrangement structure is quickly formed in the annular pipe frame, then the annular pipe frame as a whole can be lifted from the annular top seat and directly put into the inside of the flaw detection frame, and the annular top seat and the annular base at the upper and lower ends of the annular pipe frame can be positioned on the back of the flaw detection frame, and the switching use of the two groups of annular pipe frames in the flaw detection frame can realize efficient flaw detection feeding and discharging operation of the stainless steel pipes, and the comprehensiveness of the equipment design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0017] Figure 2 It is a whole schematic view of the utility model top cover structure;

[0018] Figure 3 It is a whole schematic view of the utility model control base structure;

[0019] Figure 4 It is a whole schematic view of the utility model annular pipe frame structure.

[0020] In the drawing: 1, flaw detection frame; 2, control base; 3, supporting base; 4, gas control pump machine; 5, contraction seat; 6, top cover; 7, annular top seat; 8, annular pipe frame; 9, annular base; 10, limiting ring groove; 11, through material groove; 12, protective edge strip; 13, rotating shaft frame; 14, ultrasonic probe; 15, waterproof motor; 16, bubble discharge hole groove; 17, telescopic air bag; 18, telescopic top seat. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 An embodiment provided by the utility model:

[0023] The utility model provides a kind of ultrasonic flaw detector for stainless steel pipe, including flaw detection frame 1, the bottom end of flaw detection frame 1 is fixedly connected with control chassis 2, the bottom end of control chassis 2 is fixedly connected with support base 3, the back of control chassis 2 is provided with control gas pump machine 4, the inside of control chassis 2 is provided with shrink seat 5, the bottom end of top cover 6 is provided with rotating shaft frame 13, the side of rotating shaft frame 13 four edges is provided with ultrasonic probe 14, the bottom end of rotating shaft frame 13 is provided with waterproof motor 15, the surface of top cover 6 is provided with bubble discharge hole groove 16, the inside of shrink seat 5 is provided with telescopic air bag 17, telescopic air bag 17 top end is fixedly connected with telescopic top seat 18, start shrink seat 5, make its inside shrink seat 5 control inflation and deflation operation, in turn make telescopic air bag 17 drive one end telescopic top seat 18 place and carry out lifting adjustment operation, bubble discharge hole groove 16 top end top cover 6 whole can be in the inside of flaw detection frame 1, and carry out up and down lifting operation.

[0024] Top cover 6, the inside center of flaw detection frame 1 is movably connected with top cover 6, the outer surface of top cover 6 is sleeved with annular top seat 7, the bottom end of annular top seat 7 is fixedly connected with annular pipe frame 8, the bottom end of annular pipe frame 8 is fixedly connected with annular base 9, the inside of annular base 9 is provided with limiting ring groove 10, the side of annular pipe frame 8 is provided with pass material groove 11, the inner wall of pass material groove 11 is provided with protective batten 12, stainless steel pipe is placed from annular pipe frame 8 pass material groove 11 and protective batten 12 one by one, then stainless steel pipe can be along annular pipe frame 8 bottom end annular base 9 limiting ring groove 10 place and carry out annular orderly arrangement, to form annular arrangement structure in the inside of annular pipe frame 8 quickly.

[0025] Working principle: in use, the user first puts the steel pipe to be detected into the inside of the detection frame 1, and then starts the contraction seat 5 to control the inflation and deflation operation to the inside of the contraction seat 5, so that the telescopic air bag 17 drives the telescopic top seat 18 at one end to adjust the lifting operation, at this time the top cover 6 at the top of the bubble discharge groove 16 can be lifted up and down in the detection frame 1, then the waterproof motor 15 at the bottom of the rotating shaft frame 13 is started to drive the ultrasonic probe 14 inside to rotate, so that the ultrasonic probe 14 can more fully scan each stainless steel pipe, and the bubbles generated by the ultrasonic probe 14 can be discharged from the bubble discharge groove 16 of the top cover 6 along the detection frame 1, so that the ultrasonic probe 14 always detects at the bottom of the bubble, which does not affect the detection accuracy. In the daily use process, the worker can put the stainless steel pipe into the material groove 11 and the protective edge 12 of the annular pipe frame 8 one by one, and then the stainless steel pipe can be arranged in order along the limiting ring groove 10 of the annular bottom seat 9 at the bottom of the annular pipe frame 8, so as to quickly form an annular arrangement structure in the inside of the annular pipe frame 8, and then the annular pipe frame 8 can be lifted from the annular top seat 7 and directly put into the inside of the detection frame 1, and the annular top seat 7 and the annular bottom seat 9 at the upper and lower ends of the annular pipe frame 8 can be positioned on the back of the detection frame 1. The switching of the two groups of annular pipe frames 8 in the detection frame 1 can realize efficient detection and feeding of the stainless steel pipe. The above is the whole working principle of the utility model.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An ultrasonic flaw detection device for stainless steel pipes, comprising a flaw detection frame (1), characterized in that: The bottom end of the flaw detection frame (1) is fixedly connected to a control base frame (2), the bottom end of the control base frame (2) is fixedly connected to a support base (3), the back of the control base frame (2) is provided with a control air pump (4), and the inside of the control base frame (2) is provided with a retractable seat (5). Top cover (6), the inner center of the flaw detector (1) is movably connected to the top cover (6), the outer surface of the top cover (6) is fitted with an annular top seat (7), and the bottom end of the annular top seat (7) is fixedly connected to an annular tube frame (8).

2. The ultrasonic flaw detection device for stainless steel pipes according to claim 1, characterized in that: The bottom end of the annular tube frame (8) is fixedly connected to an annular base (9), and a limiting annular groove (10) is opened inside the annular base (9).

3. The ultrasonic flaw detection device for stainless steel pipes according to claim 1, characterized in that: The annular tube frame (8) has a material passage groove (11) on its side, and the inner wall of the material passage groove (11) is provided with a protective edge strip (12).

4. The ultrasonic flaw detection device for stainless steel pipes according to claim 1, characterized in that: The bottom end of the top cover (6) is provided with a rotating shaft frame (13), and the four sides of the rotating shaft frame (13) are provided with ultrasonic probes (14).

5. The ultrasonic flaw detection device for stainless steel pipes according to claim 4, characterized in that: A waterproof motor (15) is provided at the bottom of the rotating shaft frame (13), and a bubble-removing groove (16) is provided on the surface of the top cover (6).

6. The ultrasonic flaw detection device for stainless steel pipes according to claim 1, characterized in that: The retractable seat (5) is provided with a telescopic airbag (17) inside, and a telescopic top seat (18) is fixedly connected to the top of the telescopic airbag (17).

Images