Ultrasonic flaw detection device for maintenance of aluminum electrolysis cell

Abstract

The utility model relates to the field of aluminum electrolysis cells, and discloses an ultrasonic flaw detection device for aluminum electrolysis cell maintenance. The control seat is mounted on the movable seat, and the control seat is arranged to move on the movable seat in a reciprocating manner; the protective shell penetrates through the control seat, and the flaw detection head is mounted in the protective shell; a storage cavity is formed in the protective shell and used for storing a coupling agent, and a plurality of through holes are formed in the inner wall of one side of the storage cavity. According to the utility model, through the cooperation of the storage cavity, the push plate, the connecting pipe and the control valve, a coupling agent can be extruded in real time according to the requirement of flaw detection work, the flaw detection work efficiency is improved, and the reciprocating movement of the control seat drives the flaw detection head to uniformly smear the extruded coupling agent; meanwhile, due to the arrangement of the groove, the coupling agent can be more uniformly distributed around the flaw detection head.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aluminium electrolysis cell, especially to an ultrasonic flaw detection device for aluminium electrolysis cell maintenance. BACKGROUND

[0002] In the aluminium electrolysis production process, aluminium electrolysis cell as the core equipment, long-term operation in the high temperature, strong magnetic field and complex chemical corrosion harsh environment. In order to guarantee its safety, stable, high efficiency work, regularly to aluminium electrolysis cell flaw detection is important, ultrasonic flaw detection technology because with detection sensitivity is high, harmless to human body, detection speed is fast and so on, in aluminium electrolysis cell maintenance detection and get wide application.

[0003] Aluminium electrolysis cell surface temperature when working usually reaches 900 DEG C above, in such high temperature environment, the coupling agent used in the flaw detection process is easy to evaporate rapidly due to high temperature. With the commonly used machine oil coupling agent as an example, its evaporation rate under the condition of high temperature can reach 0.1g / min, this leads to the need to frequently daub coupling agent, according to statistics, using manual daub coupling agent, every 5 minutes need to carry out one supplementary operation.

[0004] The existing ultrasonic flaw detection device cannot squeeze out coupling agent in real time during flaw detection, which makes flaw detection work have to be interrupted to carry out manual daub coupling agent operation, and manual operation is difficult to make coupling agent form a coating with appropriate thickness and uniformity. The uneven coupling agent coating will cause the transmission efficiency of acoustic energy to drop significantly. SUMMARY

[0005] To solve the above-mentioned problems, the utility model realizes the following technical scheme.

[0006] An ultrasonic flaw detection device for aluminium electrolysis cell maintenance, comprising: a moving seat; a control seat installed on the moving seat, the control seat is set to reciprocate on the moving seat; a protective shell is provided through the control seat, and a flaw detection head is installed in the protective shell; a storage cavity is formed in the protective shell for storing coupling agent, a plurality of through holes are formed in the inner wall of one side of the storage cavity, the plurality of through holes are arranged in a circular array around the flaw detection head; a push plate is installed in the storage cavity, the push plate is set to move in the storage cavity, and the push plate is used to squeeze out the coupling agent in the storage cavity to the surroundings of the flaw detection head through the through holes.

[0007] Preferably, a groove is formed in one side of the protective shell, the through holes are communicated with the groove, the groove is in the form of a circular ring and located around the flaw detection head.

[0008] Preferably, an installation groove is formed in one side of the protective shell, and the flaw detection head is installed in the installation groove.

[0009] Preferably, the protective shell comprises a connecting pipe mounted on the protective shell, one end of the connecting pipe extending into the storage cavity, the connecting pipe being used for conveying gas into the storage cavity; and a control valve mounted on the connecting pipe, the control valve being used for controlling the opening and closing of the connecting pipe.

[0010] Preferably, the control seat comprises a pressing sensor mounted on the bottom of the control seat, the pressing sensor being connected with the control valve through the controller.

[0011] Preferably, the utility model also comprises an outer frame, the moving seat is installed in the outer frame, and the moving seat is arranged to move in the outer frame.

[0012] Preferably, the control seat further comprises a control rod, one end of the control rod being mounted on the bottom of the control seat and the other end of the control rod penetrating through the moving seat, the outer frame is provided with a fixing groove, a wave plate is mounted on the inner wall of the fixing groove, and the end of the control rod away from the control seat extends into the fixing groove and contacts with the wave plate; and an elastic member, one end of the elastic member being mounted on the control seat and the other end of the elastic member being connected with the moving seat.

[0013] Preferably, the outer frame comprises an electric sliding rail mounted on the outer frame, and the moving seat is connected with the electric sliding rail.

[0014] The utility model provides an ultrasonic flaw detection device for the maintenance of an aluminum electrolysis cell. Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of the storage cavity, the push plate, the connecting pipe and the control valve, the coupling agent can be squeezed out in real time according to the needs of the flaw detection work, the efficiency of the flaw detection work is improved, the reciprocating movement of the control seat drives the flaw detection head to uniformly apply the squeezed coupling agent, and the setting of the groove enables the coupling agent to be more uniformly distributed around the flaw detection head. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structure schematic diagram.

[0016] Figure 2 The utility model provides another perspective three-dimensional structure schematic diagram.

[0017] Figure 3 The utility model provides outer frame, moving seat and control seat cross section schematic diagram.

[0018] Figure 4 The utility model provides control seat and protective shell structure schematic diagram.

[0019] Figure 5 The utility model provides protective shell cross section schematic diagram.

[0020] The reference signs in the drawings are as follows:

[0021] 100, outer frame; 101, fixing groove; 102, wave plate; 103, electric sliding rail; 200, moving seat; 300, control seat; 301, control rod; 302, elastic member; 303, pressing sensor; 400, protective shell; 401, mounting groove; 402, groove; 403, through hole; 404, storage cavity; 405, push plate; 406, connecting pipe; 407, control valve; 500, flaw detection head. DETAILED DESCRIPTION

[0022] The utility model is further explained in combination with specific embodiments, and it should be understood that these embodiments are only used for explaining the utility model and are not used for limiting the protection scope of the utility model.

[0023] The utility model is further explained in combination with specific embodiments, and it should be understood that these embodiments are only used for explaining the utility model and are not used for limiting the protection scope of the utility model.

[0024] REFERENCE Figures 1-5 An ultrasonic flaw detection device for repairing aluminum electrolytic cell, comprising: a moving seat 200; a control seat 300 installed on the moving seat 200, the control seat 300 is arranged to reciprocate on the moving seat 200; a protective shell 400 is arranged through the control seat 300, and a flaw detection head 500 is installed in the protective shell 400; a storage cavity 404 is formed in the protective shell 400 for storing coupling agent, a plurality of through holes 403 are formed in the inner wall of one side of the storage cavity 404, the plurality of through holes 403 are arranged in a circular array and distributed around the flaw detection head 500; a push plate 405 is installed in the storage cavity 404, the push plate 405 is arranged to move in the storage cavity 404, and the push plate 405 is used to extrude the coupling agent in the storage cavity 404 through the through holes 403 to the surroundings of the flaw detection head 500.

[0025] In the embodiment, the moving seat 200 and the control seat 300 can drive the flaw detection head 500 to move, in the moving process, the movement of the push plate 405 can extrude the coupling agent in the storage cavity 404 through the through holes 403 to the surroundings of the flaw detection head 500, when the push plate 405 moves, the coupling agent is extruded through the through holes 403, the reciprocating movement of the control seat 300 drives the flaw detection head 500 to uniformly apply the extruded coupling agent, the arrangement of the groove 402 makes the coupling agent more uniformly distributed around the flaw detection head 500, the protective shell 400 can provide protection for the flaw detection head 500 and store the coupling agent, an injection port is arranged on the surface of the protective shell 400 for adding the coupling agent.

[0026] The protective shell 400 is provided with a recess 402 on one side, and a through hole 403 is in communication with the recess 402. The recess 402 is annular and located around the flaw detection head 500. The coupling agent extruded from the through hole 403 will first enter the recess 402 and then form a relatively uniform distribution around the flaw detection head 500.

[0027] The protective shell 400 is provided with a mounting groove 401 on one side, and the flaw detection head 500 is mounted in the mounting groove 401.

[0028] The protective shell 400 comprises a connecting pipe 406 mounted on the protective shell 400. One end of the connecting pipe 406 extends into the storage cavity 404, and the connecting pipe 406 is used for conveying gas into the storage cavity 404. A control valve 407 is mounted on the connecting pipe 406, and the control valve 407 is used for controlling the opening and closing of the connecting pipe 406.

[0029] The control valve 407 is connected with the pressing sensor 303 at the bottom of the control seat 300 through a controller. When the pressing sensor 303 senses a specific pressure signal, the controller controls the control valve 407 to open or close, thereby realizing the control of gas conveying. The connecting pipe 406 is used for conveying gas into the storage cavity 404. By conveying gas into the storage cavity 404, the pressure in the storage cavity 404 can be increased to assist the push plate 405 to extrude the coupling agent.

[0030] The control seat 300 comprises a pressing sensor 303 mounted at the bottom of the control seat 300. The pressing sensor 303 is connected with the control valve 407 through a controller. When the control seat 300 moves, the pressing sensor 303 can sense the change of external pressure and transmit the pressure signal to the controller. The controller controls the opening and closing of the control valve 407 according to the received signal.

[0031] Further comprising an outer frame 100, wherein the moving seat 200 is installed in the outer frame 100 and is arranged to move in the outer frame 100. The outer frame 100 comprises an electric sliding rail 103 installed on the outer frame 100 and connected with the moving seat 200. The electric sliding rail 103 provides power for the moving seat 200 to move along the specified path of the outer frame 100, thereby driving the entire flaw detection device to move horizontally on the surface of the aluminum electrolysis cell for flaw detection.

[0032] The control seat 300 further comprises a control rod 301, one end of which is installed at the bottom of the control seat 300 and the other end of which penetrates the moving seat 200, the outer frame 100 is provided with a fixing groove 101, a wave plate 102 is installed on the inner wall of the fixing groove 101, and the end of the control rod 301 away from the control seat 300 extends into the fixing groove 101 and contacts the wave plate 102; and an elastic member 302, one end of which is installed on the control seat 300 and the other end of which is connected with the moving seat 200.

[0033] When the moving seat 200 moves in the outer frame 100, the control rod 301 moves with the moving seat 200, and due to the undulating shape of the wave plate 102, the control rod 301 slides on the wave plate 102, thereby driving the control seat 300 to reciprocate on the moving seat 200, the elastic member 302 is a spring and can also be an elastic sheet, which plays a role of buffering and resetting and can assist the reciprocating movement of the control seat 300.

[0034] In use, the storage cavity 404 is injected with a proper amount of coupling agent through the injection port on the surface of the protective shell 400, the electric sliding rail 103 is turned on, the moving seat 200 starts to move horizontally in the outer frame 100, thereby driving the entire flaw detection device to move horizontally on the surface of the aluminum electrolysis cell for flaw detection, when the moving seat 200 moves, the control rod 301 moves with it, due to the undulating shape of the wave plate 102, the control rod 301 slides on the wave plate 102, thereby driving the control seat 300 to reciprocate on the moving seat 200, so that the flaw detection head 500 also reciprocates while performing flaw detection on the surface of the aluminum electrolysis cell, the pressing sensor 303 contacts the moving seat 200, when the pressing sensor 303 senses a specific pressure signal, the pressure signal is transmitted to the controller, the controller controls the control valve 407 to open according to the received signal, and the connecting pipe 406 delivers gas into the storage cavity 404 to increase the pressure in the storage cavity 404.

[0035] The increased pressure in the storage cavity 404 drives the push plate 405 to move in the storage cavity 404, the push plate 405 extrudes the coupling agent in the storage cavity 404 through the through hole 403 into the annular groove 402 connected with the through hole 403, the coupling agent extruded from the through hole 403 first enters the groove 402 and then forms a relatively uniform distribution around the flaw detection head 500, the reciprocating movement of the control seat 300 drives the flaw detection head 500 to uniformly spread the extruded coupling agent, thereby ensuring the effective transmission of acoustic energy in the flaw detection process.

[0036] Compared with the prior art, the present application has the following beneficial effects:

[0037] Through cooperation of the storage cavity 404, the push plate 405, the connecting pipe 406 and the control valve 407, coupling agent can be squeezed in real time according to the need of flaw detection work, and the efficiency of flaw detection work is improved; the reciprocating movement of the control seat 300 drives the flaw detection head 500 to uniformly smear the squeezed coupling agent, and the recess 402 is arranged so that the coupling agent can be more uniformly distributed around the flaw detection head 500.

[0038] Through the lateral movement of the moving seat 200, the detection width can be covered; in combination with the longitudinal reciprocating movement of the control seat 300, the detection height can be covered, so that automatic scanning can be realized, and the working efficiency is higher.

[0039] Therefore, although the utility model has been described herein with reference to its specific embodiments, modifications, various changes and substitutions are also within the above disclosure, and it should be understood that in some cases, some features of the utility model will be used without corresponding use of other features without departing from the scope and spirit of the proposed utility model. Therefore, many modifications can be made to adapt the specific environment or material to the substantial scope and spirit of the utility model. The utility model is not intended to be limited to the specific terms used in the following claims and / or the specific embodiments disclosed as the best mode for carrying out the utility model, but the utility model will include any and all embodiments and equivalents falling within the scope of the appended claims. Therefore, the scope of the utility model will only be determined by the appended claims.

Claims

1. An ultrasonic flaw detection device for repair of an aluminum electrolysis cell, characterized by, The utility model relates to a portable ultrasonic flaw detector, including: Mobile seat (200); Control seat (300) is installed on mobile seat (200), and control seat (300) is arranged to reciprocate on mobile seat (200); Protective shell (400) is arranged through control seat (300), and flaw detection head (500) is installed in protective shell (400); The storage cavity (404) is arranged on the side wall of the storage cavity (404), and the plurality of through holes (403) are arranged in a circular array around the flaw detection head (500); Push plate (405) is installed in storage cavity (404), and push plate (405) is arranged to move in storage cavity (404), and push plate (405) is used to extrude the coupling agent in storage cavity (404) to the flaw detection head (500) around through the through hole (403).

2. The ultrasonic inspection apparatus for repair of an aluminum electrolytic cell according to claim 1, characterized by, The recess (402) is arranged on the side of the protective shell (400), the through hole (403) is communicated with the recess (402), the recess (402) is circular, and the recess (402) is arranged around the flaw detection head (500).

3. The ultrasonic inspection apparatus for repair of an aluminum electrolytic cell according to claim 1, wherein The mounting groove (401) is arranged on the side of the protective shell (400), and the flaw detection head (500) is installed in the mounting groove (401).

4. The ultrasonic inspection apparatus for repair of an aluminum electrolytic cell defined in claim 1, wherein The protective shell (400) includes: The connecting pipe (406) is installed on the protective shell (400), one end of the connecting pipe (406) extends into the storage cavity (404), and the connecting pipe (406) is used to deliver gas into the storage cavity (404); Control valve (407) is installed on the connecting pipe (406), and control valve (407) is used to control the opening and closing of connecting pipe (406).

5. An ultrasonic inspection apparatus for use in the repair of an aluminium electrolytic cell as claimed in claim 4, wherein, The control seat (300) includes: Pressing sensor (303) is installed at the bottom of control seat (300), and pressing sensor (303) is connected with control valve (407) through controller.

6. The ultrasonic inspection apparatus for repair of an aluminum electrolytic cell of claim 1, wherein Further including: Outer frame (100), mobile seat (200) is installed in outer frame (100), and mobile seat (200) is arranged to move in outer frame (100).

7. An ultrasonic inspection apparatus for use in the repair of an aluminium electrolytic cell as claimed in claim 6, wherein, The control seat (300) further includes: Control rod (301) is installed at one end of the bottom of control seat (300), and the other end penetrates mobile seat (200), the fixed groove (101) is arranged on the outer frame (100), the wave plate (102) is installed on the inner wall of the fixed groove (101), and the end of control rod (301) away from control seat (300) extends into the fixed groove (101) and contacts with wave plate (102); Elastic member (302) is installed at one end of control seat (300), and the other end is connected with mobile seat (200).

8. The ultrasonic inspection apparatus for repair of an aluminum electrolytic cell of claim 6, wherein, The outer frame (100) includes: Electric sliding rail (103) is installed on outer frame (100), and mobile seat (200) is connected with electric sliding rail (103).

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