CN117969662A - Electromagnetic ultrasonic detector for metal pipe - Google Patents

Abstract

The invention relates to the technical field of electromagnetic ultrasonic detection, in particular to an electromagnetic ultrasonic detector for metal pipes, which comprises a shell, wherein a detection round box is arranged on the left side of the shell, a nondestructive inspection mechanism and a heating positioning mechanism are arranged on the detection round box, a pipe wall cleaning mechanism is arranged on the right side of the shell, a debris collecting mechanism is arranged at the lower end of the shell, camera shooting recording mechanisms are arranged on the left side and the right side of the shell, the nondestructive inspection mechanism comprises a telescopic push rod fixedly arranged on the outer side of the detection round box, and the telescopic push rod consists of a driving cylinder and a sliding rod. According to the invention, by arranging the nondestructive flaw detection mechanism, the shell and the detection round box can horizontally move along the inner wall of the metal pipe by utilizing the mutual matching between the rotary ball and the jet driving piece and utilizing the counter-thrust force of air, so that the working efficiency of flaw detection can be effectively improved, and compared with the traditional roller type driving, the nondestructive flaw detection mechanism can effectively avoid the slipping phenomenon and has higher moving stability.

Description

Electromagnetic ultrasonic detector for metal pipe

Technical Field

The invention relates to the technical field of electromagnetic ultrasonic detection, in particular to an electromagnetic ultrasonic detector for metal pipes.

Background

Along with the continuous improvement of industrialization level, the demands of petrochemical industry field on long-distance pipelines are gradually increased, moreover, these pipelines bear extreme conditions such as high pressure, high temperature, high flow in many cases, once the pipeline has the problems of leakage, rupture and the like, serious threat is caused to life and property safety of people, therefore, after the welding processing of the metal pipe is finished, nondestructive inspection is required to be carried out on the inner wall of the pipeline and the joint of the welding seam, so that the safety of the metal pipeline is improved as much as possible.

The nondestructive flaw detection device for the large-caliber metal pipe in the prior art is generally composed of a movable vehicle body and a flaw detection assembly, the movable vehicle body can horizontally move along the inner part of the metal pipe during working, the flaw detection assembly can detect flaw detection on the inner wall of the metal pipe during moving, when the flaw detection assembly detects abnormal signals, alarm sounds can be immediately sent out, then a worker can position a fault position according to the positions of the alarm sounds, then the outside of the pipe is marked, after marking is finished, the device can continuously move forwards, and the nondestructive flaw detection device is obvious, so that the working efficiency of flaw detection is reduced, the worker is required to accompany all the time during detection, the labor capacity of the worker is greatly increased, in addition, the manual marking is low in accuracy and can be easily and unintentionally wiped off, and thus unnecessary troubles are caused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an electromagnetic ultrasonic detector for metal pipes, which solves the technical problems that the inspection device in the prior art needs staff to carry out auxiliary marking when detecting metal pipes, thereby leading to lower maintenance efficiency and accuracy.

In order to solve the technical problems, the invention provides the following technical scheme: an electromagnetic ultrasonic detector for metal pipes comprises a shell, a detection round box is arranged on the left side of the shell, a nondestructive inspection mechanism and a heating positioning mechanism are arranged on the detection round box, a pipe wall cleaning mechanism is arranged on the right side of the shell, a debris collecting mechanism is arranged at the lower end of the shell, a camera recording mechanism is arranged on the left side and the right side of the shell, when a pipe flaw is detected, the shell and the detection round box horizontally move along the inside of the pipe, in the moving process, the nondestructive inspection mechanism automatically carries out electromagnetic ultrasonic detection on the inner wall of the pipe, when a fault position is detected, the heating positioning mechanism marks the position, then a worker carries out rechecks and overhauls on the marked position, thereby eliminating faults, the nondestructive inspection mechanism comprises a telescopic push rod fixedly arranged on the outer side of the detection round box, the telescopic push rod consists of a driving cylinder and a sliding rod, the sliding rod is movably connected with the driving cylinder, a rotary round ball is movably arranged at the top end of the sliding rod, a limit arc cover is fixedly arranged on the outer side of the driving cylinder, a fixed boss is arranged on the outer side of the sliding rod, a buffer spring is arranged between the fixed boss and the limit arc cover, the fixed boss is arranged at equal intervals, when the air injection positioning mechanism detects the fault position, a plurality of movable brackets are arranged on the inner side of the pipe wall of the pipe, a movable bracket is arranged close to the movable bracket is rotatably, a rotary ball is arranged on the rotary ball detector, and a detector is arranged on one side of the movable bracket and can be arranged on the rotary bracket, and a rotary detector is arranged on the rotary bracket, and a detector box, and a detector is arranged on a detector. When the detection probe rotates, electromagnetic ultrasonic detection can be carried out on the inside of the metal pipe.

Preferably, the positioning mechanism generates heat includes fixed round bar of fixed mounting in detection round box upper end, and fixed round bar's upper end fixed mounting has the rectangle box, and the logical groove is dodged to the upper end of rectangle box has been seted up to the inside of rectangle box, and fixed platform is provided with fixed platform, and fixed platform's both ends are provided with two rotatory cylinders respectively, are provided with the conveyer belt between two rotatory cylinders, and equidistant a plurality of warm subsides of having placed on the conveyer belt, the size of warm subsides and the size phase-match of dodging logical groove, and rotatory cylinder intermittent type nature is rotated the time, can be with warm subsides in proper order and carry the below of dodging logical groove.

Preferably, a plurality of circular through holes are formed in the conveyor belt at equal intervals, the circular through holes are located below the warm paste, the paste face of the warm paste faces upwards, a telescopic assembly is arranged in the fixing platform, and when the telescopic assembly stretches upwards, the telescopic assembly stretches upwards from the circular through holes, so that the warm paste is ejected upwards from the avoidance through groove.

Preferably, the driving cylinder is provided with a plurality of driving cylinders at equal intervals along the circumferential direction of the detection round box, the driving cylinders are fixedly connected with the detection round box, the driving cylinders can enable the sliding rods to extend outwards, after workers put the device into a pipeline, the sliding rods can extend outwards under the action of the driving cylinders, and therefore the rotary balls and the movable balls are in contact with the inner wall of the pipeline.

Preferably, the jet driving piece is a thrust reverser, the detection probe is connected with the information processor through a data line, and when the jet driving piece works, the detection round box and the shell can horizontally move along the pipeline.

Preferably, the pipe wall cleaning mechanism comprises a driving lug fixedly mounted above the detection round box, a rotary round shaft is movably mounted inside the driving lug, the left end and the right end of the rotary round shaft extend to the left side and the right side of the driving lug respectively, the right end of the rotary round shaft is connected with a mounting disc in a transmission manner, a plurality of metal brushes are arranged outside the mounting disc along the circumferential direction, a driving gear is movably mounted inside the driving lug, a driven gear ring is fixedly sleeved outside the rotary round shaft, the rotary round shaft can synchronously rotate when the driving gear rotates, and a plurality of metal brushes can synchronously rotate when the rotary round shaft rotates, so that the cleaning of the inner wall of the metal pipe is completed.

Preferably, the driving gear is meshed with the driven gear ring, the left end of the rotary round shaft is fixedly connected with the rotary support coaxially, and the rotary support can synchronously rotate when the rotary round shaft rotates.

Preferably, the piece collection mechanism includes the installation lug of fixed mounting in the casing outside, the lower extreme movable mounting of installation lug has flexible pulley, the storage cavity has been seted up to the inside of casing, the lower extreme fixed mounting of storage cavity has the suction pump, the feed end of suction pump extends to the below of casing and fixed mounting has the ash suction to take off, the inside level of storage cavity is provided with movable flat board, the discharge end intercommunication of suction pump has the ash discharge pipeline, movable cover plate is detachably installed to the upper end of storage cavity, when the device removes, flexible pulley can downwardly elongation and with the inner wall contact of metal tubular product.

Preferably, the upper end of the ash discharge pipeline extends to the upper side of the movable flat plate, and when the suction pump works, scraps falling into the metal pipe can be sucked to the upper side of the movable flat plate through the ash suction scraper.

Preferably, the camera shooting recording mechanism comprises a left mounting plate fixedly mounted on the left side of the shell, a right mounting plate is fixedly mounted on the right side of the shell, and a camera shooting assembly is fixedly mounted at the upper end of the left mounting plate and the lower end of the right mounting plate.

By means of the technical scheme, the invention provides an electromagnetic ultrasonic detector for metal pipes, which has at least the following beneficial effects:

1. According to the invention, the heating positioning mechanism is arranged, and the telescopic component and the heating paste are matched with each other, so that the position of the abnormal signal in the metal pipe can be automatically and continuously heated and positioned, the staff can be helped to quickly complete fault verification and overhaul, and compared with the traditional positioning marking mode, the device is more durable and obvious and is convenient to use.

2. According to the invention, through arranging the nondestructive inspection mechanism, the inner wall of the metal pipe can be automatically and comprehensively subjected to electromagnetic ultrasonic inspection by utilizing the mutual coordination between the rotating bracket and the plurality of inspection probes, and the phenomenon of missing inspection can be effectively avoided, so that the accuracy of the inspection result is greatly improved.

3. According to the invention, by arranging the nondestructive flaw detection mechanism, the shell and the detection round box can horizontally move along the inner wall of the metal pipe by utilizing the mutual matching between the rotary ball and the jet driving piece and utilizing the counter-thrust force of air, so that the working efficiency of flaw detection can be effectively improved, and compared with the traditional roller type driving, the nondestructive flaw detection mechanism can effectively avoid the slipping phenomenon and has higher moving stability.

4. According to the invention, by arranging the heating positioning mechanism, the warm paste can be automatically conveyed by utilizing the mutual coordination between the conveying belt and the rotary roller, and the efficiency of marking the fault position can be improved to a certain extent without manual placement of staff.

5. According to the invention, by arranging the pipe wall cleaning mechanism and utilizing the mutual coordination between the rotary circular shaft and the mounting disc, the inner wall of the metal pipe can be automatically cleaned before electromagnetic ultrasonic detection, so that impurities such as burrs on the inner wall of the metal pipe are removed, the accuracy of electromagnetic ultrasonic detection can be effectively ensured, and adverse effects of the impurities on the movement and detection result of the device are avoided.

6. According to the invention, by arranging the debris collecting mechanism and utilizing the mutual coordination between the ash suction rake and the suction pump, the falling debris in the nondestructive inspection and detection process can be automatically and rapidly collected, and the rapid collection is synchronously carried out with the electromagnetic ultrasonic inspection, so that the rapid collection is integrated, the manual cleaning of workers is not required, the labor capacity of the workers can be reduced to a great extent, and the rapid collection device is convenient to use.

7. According to the invention, the camera shooting recording mechanism is arranged, and the mutual matching between the mounting plate and the camera shooting assembly is utilized, so that the inner wall of the metal pipe can be automatically shot synchronously in the electromagnetic ultrasonic flaw detection process, the condition of the inner wall of the pipeline can be known in more detail by workers, and the air injection driving piece can blow air backwards and clean the inner part of the metal pipe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the present invention;

FIG. 3 is a schematic diagram III of the overall structure of the present invention;

FIG. 4 is an internal schematic view of the nondestructive inspection apparatus of the present invention;

FIG. 5 is a partial cross-sectional view of the structure of the test round cartridge of the present invention;

FIG. 6 is an internal schematic view of the heat generating positioning mechanism of the present invention;

FIG. 7 is a schematic view of a conveyor belt structure according to the present invention;

FIG. 8 is a schematic view of the inside of the pipe wall cleaning mechanism according to the present invention;

FIG. 9 is a schematic view of the installation position of the metallic brush structure according to the present invention;

Fig. 10 is a schematic view showing the internal structure of the chip collection mechanism according to the present invention.

In the figure: 1. a housing; 2. detecting a round box; 3. a nondestructive flaw detection mechanism; 301. a telescopic push rod; 302. a limiting arc cover; 303. a buffer spring; 304. rotating the sphere; 305. a movable ball; 306. installing a square plate; 307. a rotating bracket; 308. a detection probe; 309. a jet drive; 310. an information processor; 4. a heating positioning mechanism; 401. fixing the round rod; 402. a rectangular box body; 403. avoiding the through groove; 404. a fixed platform; 405. rotating the drum; 406. a conveyor belt; 407. heating and pasting; 408. a circular through hole; 409. a telescoping assembly; 5. a pipe wall cleaning mechanism; 501. a driving bump; 502. rotating the circular shaft; 503. a disk is installed; 504. a metal brush; 505. a drive gear; 506. a driven gear ring; 6. a debris collection mechanism; 601. mounting the protruding blocks; 602. a telescopic pulley; 603. a suction pump; 604. sucking ash and scraping; 605. a storage cavity; 606. a movable plate; 607. an ash discharge pipe; 608. a removable cover; 7. a camera recording mechanism; 701. a left mounting plate; 702. a right mounting plate; 703. and a camera shooting assembly.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

According to the electromagnetic ultrasonic detector for metal pipes shown in fig. 1-5, the electromagnetic ultrasonic detector comprises a shell 1, a detection round box 2 is arranged on the left side of the shell 1, a nondestructive inspection mechanism 3 and a heating positioning mechanism 4 are arranged on the detection round box 2, a pipe wall cleaning mechanism 5 is arranged on the right side of the shell 1, a debris collecting mechanism 6 is arranged at the lower end of the shell 1, camera shooting recording mechanisms 7 are arranged on the left side and the right side of the shell 1, when the pipeline flaw detection is carried out, the shell 1 and the detection round box 2 horizontally move along the inside of the pipeline, in the moving process, the nondestructive inspection mechanism 3 automatically carries out electromagnetic ultrasonic detection on the inner wall of the pipeline, when a fault position is detected, the heating positioning mechanism 4 marks the position, and then workers carry out secondary inspection and maintenance on the marked position, so that faults are eliminated.

Specifically, the nondestructive inspection mechanism 3 includes the flexible push rod 301 of fixed mounting in the outside of detecting round box 2, flexible push rod 301 comprises drive cylinder and slide bar, slide bar and drive cylinder sliding connection, the top movable mounting of slide bar has rotatory ball 304, the outside fixed mounting of drive cylinder has spacing arc cover 302, the outside of slide bar is provided with the fixed boss, be provided with buffer spring 303 between fixed boss and the spacing arc cover 302, equidistant a plurality of movable ball 305 that is provided with on the spacing arc cover 302, the one side that detects round box 2 is close to casing 1 removably installs square board 306, movable mounting has runing rest 307 on the square board 306, fixed mounting has the test probe 308 on the runing rest 307, one side that detects round box 2 kept away from casing 1 is provided with jet drive spare 309, jet drive spare 309 is the thrust fan, when jet drive spare 309 work, can make detect round box 2 and casing 1 along pipeline horizontal migration, the inside of detecting round box 2 is provided with information processor 310, detect probe 308 and information processor 310 pass through the data line connection, during pipe wall detection, detect round box 2 can follow the horizontal migration under the effect of jet drive spare 309, detect the metal probe 308 can rotate in step and detect in the pipe material synchronous in the direction of rotation, can detect the inside the pipe.

More specifically, the driving cylinders are arranged at equal intervals along the circumferential direction of the detection round box 2, the driving cylinders are fixedly connected with the detection round box 2, the driving cylinders can enable the sliding rods to extend outwards, after workers put the device into a pipeline, the sliding rods can extend outwards under the action of the driving cylinders, and therefore the rotary balls 304 and the movable balls 305 are in contact with the inner wall of the pipeline.

In this embodiment, when in use, a worker will put the device into the device from one end of the metal pipe, and then the sliding rods will extend outwards simultaneously under the action of the driving cylinder, and when the sliding rods extend, the rotating balls 304 and the movable balls 305 will be in rolling contact with the inside of the metal pipe respectively, so as to complete the installation work before detection.

Next, the air jet driving member 309 blows air horizontally to the left, so that the housing 1 and the detecting round box 2 move horizontally to the right along the metal pipe, during the moving process, the rotating bracket 307 rotates synchronously along with the rotating round shaft 502, and when the rotating bracket 307 rotates, the plurality of detecting probes 308 rotate synchronously, so that the inner wall of the metal pipe is quickly finished with noncontact electromagnetic ultrasonic flaw detection, and at the same time, the information processor 310 performs comprehensive analysis and processing on the detected signals.

According to the embodiment, the nondestructive flaw detection mechanism 3 is arranged, and the shell 1 and the detection round box 2 can horizontally move along the inner wall of the metal pipe by utilizing the mutual matching between the rotary ball 304 and the jet driving piece 309 and utilizing the thrust reaction force of air, so that the working efficiency of flaw detection can be effectively improved, and compared with the traditional roller type driving, the phenomenon of skidding can be effectively avoided, and the moving stability is higher; in addition, through setting up nondestructive inspection mechanism 3, this embodiment utilizes the mutually supporting between runing rest 307 and the a plurality of test probes 308, can carry out comprehensive electromagnetic ultrasonic testing to the inner wall of metal tubular product automatically, can effectively avoid appearing leaking the phenomenon of examining to the accuracy of testing result has been improved greatly.

Example two

According to the fig. 1-3, 6 and 7, on the basis of the first embodiment, the heating positioning mechanism 4 comprises a fixed round rod 401 fixedly installed at the upper end of the detection round box 2, a rectangular box 402 is fixedly installed at the upper end of the fixed round rod 401, a avoidance through groove 403 is formed in the upper end of the rectangular box 402, a fixed platform 404 is arranged in the rectangular box 402, two rotary rollers 405 are respectively arranged at two ends of the fixed platform 404, a conveying belt 406 is arranged between the two rotary rollers 405, a plurality of heating patches 407 are placed on the conveying belt 406 at equal intervals, the size of the heating patches 407 is matched with that of the avoidance through groove 403, and when the rotary rollers 405 intermittently rotate, the heating patches 407 are sequentially conveyed to the lower part of the avoidance through groove 403.

Specifically, a plurality of circular through holes 408 are formed in the conveying belt 406 at equal intervals, the circular through holes 408 are located below the warm paste 407, the pasting surface of the warm paste 407 faces upwards, a telescopic assembly 409 is arranged in the fixing platform 404, and when the telescopic assembly 409 stretches upwards, the telescopic assembly extends upwards from the circular through holes 408, so that the warm paste 407 is ejected upwards from the avoiding through groove 403.

In this embodiment, as can be seen from the above, when the housing 1 moves horizontally along the metal pipe, the inspection probe 308 automatically performs non-contact nondestructive inspection on the inner wall of the metal pipe, and at the same time, the information processor 310 performs comprehensive analysis and processing on the detected signals.

When an abnormal signal appears, the telescopic component 409 automatically stretches upwards, and then the telescopic component 409 penetrates out of the circular through hole 408, so that the warm patch 407 placed above the circular through hole 408 is outwards ejected through the avoiding through groove 403, then the warm patch 407 is stuck at the position where the abnormal signal appears and is continuously heated (the inner wall of the metal tube can be locally heated to about 60 degrees through multiple tests, and the duration is about one hour), and therefore fault location is rapidly completed.

Then, after the positioning is completed, the telescopic assembly 409 is automatically reset, and then the conveyer belt 406 moves a certain distance under the action of the rotary drum 405, so that the next warm patch 407 is located below the avoiding through groove 403, and preparation is made for the next positioning.

After the flaw detection operation is finished, an external worker only needs to carry out fault verification and overhaul according to the heating part on the metal tube, and compared with the traditional mode of utilizing the travelling distance of the device to carry out positioning, the flaw detection device is higher in accuracy, more durable and obvious in positioning mark and convenient to use.

According to the embodiment, the heating positioning mechanism 4 is arranged, and the telescopic component 409 and the heating paste 407 are matched with each other, so that the position of an abnormal signal in the metal tube can be automatically and continuously heated and positioned, a worker can be helped to quickly complete fault verification and maintenance, and compared with a traditional positioning marking mode, the method is more durable and obvious, and the method is convenient to use; moreover, this embodiment utilizes the cooperation between conveyer belt 406 and the rotatory cylinder 405 through setting up the positioning mechanism 4 that generates heat, can carry out automatic conveying to warm subsides 407, need not the staff and manually places, can improve the efficiency of marking fault location to a certain extent.

Example III

According to fig. 1, fig. 2, fig. 8 and fig. 9, on the basis of the above embodiment, the pipe wall cleaning mechanism 5 includes a driving bump 501 fixedly installed above the detecting round box 2, a rotating round shaft 502 movably installed inside the driving bump 501, left and right ends of the rotating round shaft 502 extend to left and right sides of the driving bump 501 respectively, a mounting disc 503 is connected to right ends of the rotating round shaft 502 in a driving manner, a plurality of metal brushes 504 are arranged outside the mounting disc 503 along a circumferential direction, a driving gear 505 is movably installed inside the driving bump 501, the driving gear 505 is meshed with a driven gear ring 506, a left end of the rotating round shaft 502 is fixedly connected with the rotating bracket 307 coaxially, the rotating bracket 307 rotates synchronously when the rotating round shaft 502 rotates, the driven gear ring 506 is fixedly sleeved outside the rotating round shaft 502, the rotating round shaft 502 rotates synchronously, and the plurality of metal brushes 504 rotate synchronously when the rotating round shaft 502 rotates, so that cleaning of the inner wall of the metal pipe is completed.

In this embodiment, when in use, as shown in fig. 8, the rotary shaft 502 rotates at a constant speed under the cooperation of the driving gear 505 and the driven gear ring 506, and the rotary support 307 rotates synchronously when the rotary shaft 502 rotates, so that the multiple groups of detection probes 308 rotate at a constant speed.

The rotating circular shaft 502 rotates to make the mounting disc 503 rotate synchronously, and the mounting disc 503 rotates to make the plurality of metal brushes 504 rotate synchronously, so that the metal brushes 504 can remove burrs, foreign matters and other impurities on the inner wall of the metal pipe when rotating because the metal brushes 504 are always in contact with the inner wall of the metal pipe.

According to the embodiment, through the arrangement of the pipe wall cleaning mechanism 5, the inner wall of the metal pipe can be automatically cleaned before electromagnetic ultrasonic detection by utilizing the mutual cooperation between the rotary circular shaft 502 and the mounting circular disc 503, so that impurities such as burrs on the inner wall of the metal pipe are removed, the accuracy of electromagnetic ultrasonic detection can be effectively ensured, and adverse effects of the impurities on the movement and detection result of the device are avoided.

Example IV

According to fig. 1, 3,8 and 10, on the basis of the above embodiment, the debris collecting mechanism 6 includes a mounting protrusion 601 fixedly mounted on the outer side of the casing 1, a telescopic pulley 602 is movably mounted at the lower end of the mounting protrusion 601, a storage cavity 605 is formed in the casing 1, a suction pump 603 is fixedly mounted at the lower end of the storage cavity 605, a feeding end of the suction pump 603 extends to the lower side of the casing 1 and is fixedly provided with a dust suction scraper 604, a movable flat plate 606 is horizontally arranged in the storage cavity 605, a dust discharge pipe 607 is communicated with a discharge end of the suction pump 603, the upper end of the dust discharge pipe 607 extends to the upper side of the movable flat plate 606, during operation of the suction pump 603, debris falling into the metal pipe is sucked to the upper side of the movable flat plate 606 through the dust suction scraper 604, a movable cover 608 is detachably mounted at the upper end of the storage cavity 605, and when the device moves, the telescopic pulley 602 is downwardly elongated and contacts with the inner wall of the metal pipe.

In this embodiment, in use, according to the above description, the metal brush 504 automatically cleans the inner wall of the metal pipe during the moving process of the device, and metal scraps generated during the cleaning process can drop into the metal pipe.

At the same time, the casing 1 will move horizontally under the action of the jet drive 309, and when the casing 1 passes over the chips, the suction pump 603 will suck the chips inside the metal pipe to the upper side of the movable plate 606 through the dust suction rake 604, so as to automatically collect the chips without manual cleaning by a worker.

After the nondestructive inspection operation is finished, the worker opens the movable cover plate 608, and then takes out the movable flat plate 606 for cleaning.

This embodiment is through setting up piece collection mechanism 6, utilizes the cooperation between ash suction rake 604 and the suction pump 603, can collect fast the piece that drops in the nondestructive test testing process automatically, and the synchronous with electromagnetic ultrasonic testing goes on, and the integration is accomplished, need not the manual work clearance of staff, can reduce staff's the amount of labour to a great extent, convenient to use.

Example five

As shown in fig. 2, 8 and 10, the image recording mechanism 7 includes a left mounting plate 701 fixedly mounted on the left side of the housing 1, a right mounting plate 702 fixedly mounted on the right side of the housing 1, and an image pickup unit 703 fixedly mounted on both the upper end of the left mounting plate 701 and the lower end of the right mounting plate 702.

In this embodiment, as can be seen from the above description, when the housing 1 moves horizontally inside the metal pipe, the camera assemblies 703 move synchronously, and in the moving process, the two camera assemblies 703 can respectively record the upper half and the lower half of the inner wall of the metal pipe, thereby helping the staff to grasp the internal condition of the metal pipe in more detail.

This embodiment is through setting up record mechanism 7 of making a video recording, utilizes the cooperation between mounting panel and the subassembly 703 of making a video recording, can be at the in-process of electromagnetic ultrasonic flaw detection, automatic carry out synchronous shooting to the inner wall of metal tubular product, can help the condition of staff's more detailed understanding pipeline inner wall, moreover, when the jet-propelled driving piece 309 bloies backward, also can blow the clearance to the inside of metal tubular product.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An electromagnetic ultrasonic detector for metal pipes comprises a shell (1), wherein a detection round box (2) is arranged on the left side of the shell (1), and the electromagnetic ultrasonic detector is characterized in that: the detecting round box (2) is provided with a nondestructive flaw detection mechanism (3) and a heating positioning mechanism (4), the right side of the shell (1) is provided with a pipe wall cleaning mechanism (5), the lower end of the shell (1) is provided with a scrap collecting mechanism (6), and the left side and the right side of the shell (1) are provided with a shooting recording mechanism (7);

The nondestructive inspection mechanism (3) comprises a telescopic push rod (301) fixedly mounted on the outer side of the detection round box (2), the telescopic push rod (301) is composed of a driving cylinder and a sliding rod, the sliding rod is in sliding connection with the driving cylinder, a rotary ball (304) is movably mounted on the top end of the sliding rod, a limit arc cover (302) is fixedly mounted on the outer side of the driving cylinder, a fixing boss is arranged on the outer side of the sliding rod, a buffer spring (303) is arranged between the fixing boss and the limit arc cover (302), a plurality of movable balls (305) are arranged on the limit arc cover (302) at equal intervals, a rotary support (307) is movably mounted on one side, close to the casing (1), of the detection round box (2), a detection probe (308) is fixedly mounted on the rotary support (307), an air injection driving piece (309) is arranged on one side, far away from the casing (1), of the detection round box (2), and an information processor (310) is arranged inside the detection round box (2).

2. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 1, wherein: the utility model provides a location mechanism generates heat (4) including fixed round bar (401) of fixed mounting in detection round box (2) upper end, the upper end fixed mounting of fixed round bar (401) has rectangle box (402), dodge logical groove (403) have been seted up to the upper end of rectangle box (402), the inside of rectangle box (402) is provided with fixed platform (404), the both ends of fixed platform (404) are provided with two rotatory cylinder (405) respectively, be provided with conveyer belt (406) between two rotatory cylinder (405), equidistant a plurality of warm subsides (407) of having placed on conveyer belt (406), the size of warm subsides (407) and the size assorted of dodging logical groove (403).

3. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 2, wherein: a plurality of circular through holes (408) are formed in the conveying belt (406) at equal intervals, the circular through holes (408) are located below the warm paste (407), the paste surface of the warm paste (407) faces upwards, and a telescopic assembly (409) is arranged in the fixing platform (404).

4. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 1, wherein: the driving cylinders are arranged in a plurality at equal intervals along the circumferential direction of the detection round box (2), the driving cylinders are fixedly connected with the detection round box (2), and the driving cylinders can enable the sliding rods to extend outwards.

5. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 1, wherein: the jet driving piece (309) is a reverse thrust fan, and the detection probe (308) and the information processor (310) are connected through a data line.

6. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 1, wherein: the pipe wall cleaning mechanism (5) comprises a driving lug (501) fixedly mounted above the detection round box (2), a rotary round shaft (502) is movably mounted inside the driving lug (501), the left end and the right end of the rotary round shaft (502) respectively extend to the left side and the right side of the driving lug (501), the right end of the rotary round shaft (502) is in transmission connection with a mounting disc (503), a plurality of metal brushes (504) are arranged outside the mounting disc (503) along the circumferential direction, a driving gear (505) is movably mounted inside the driving lug (501), and a driven gear ring (506) is fixedly sleeved outside the rotary round shaft (502).

7. An electromagnetic ultrasonic detector for metal tubing as defined in claim 6, wherein: the driving gear (505) is meshed with the driven gear ring (506), and the left end of the rotary round shaft (502) is fixedly connected with the rotary bracket (307) in a coaxial mode.

8. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 1, wherein: the debris collection mechanism (6) comprises a mounting lug (601) fixedly mounted on the outer side of the shell (1), a telescopic pulley (602) is movably mounted at the lower end of the mounting lug (601), a storage cavity (605) is formed in the shell (1), a suction pump (603) is fixedly mounted at the lower end of the storage cavity (605), the feeding end of the suction pump (603) extends to the lower side of the shell (1) and is fixedly mounted with an ash suction scraper (604), a movable flat plate (606) is horizontally arranged in the storage cavity (605), an ash discharge pipeline (607) is communicated with the discharging end of the suction pump (603), and a movable cover plate (608) is detachably mounted at the upper end of the storage cavity (605).

9. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 8, wherein: the upper end of the ash discharge pipe (607) extends to the upper part of the movable flat plate (606).

10. An electromagnetic ultrasonic detector for metal tubing as claimed in claim 1, wherein: the camera shooting recording mechanism (7) comprises a left mounting plate (701) fixedly mounted on the left side of the shell (1), a right mounting plate (702) is fixedly mounted on the right side of the shell (1), and a camera shooting assembly (703) is fixedly mounted at the upper end of the left mounting plate (701) and the lower end of the right mounting plate (702).