CN219417330U - Be used for all-round magnetic leakage detection device of pipeline inner chamber - Google Patents

Abstract

The utility model discloses an omnibearing magnetic flux leakage detection device for an inner cavity of a pipeline, which belongs to the technical field of magnetic flux leakage detection of the pipeline and comprises a supporting seat and four magnetic flux leakage inner detectors arranged on the supporting seat, wherein driving wheels are symmetrically arranged on one side of the bottom wall of the supporting seat, a driving motor is arranged in the supporting seat and used for driving two driving wheels to operate, rollers are symmetrically arranged on the other side of the bottom wall of the supporting seat, a protruding seat is welded on one side of the top wall of the supporting seat, an installation groove is formed in the protruding seat, a motor which is horizontally arranged is fixedly arranged on the inner wall of the installation groove, an output shaft of the motor is coaxially connected with an outer support shaft, a cross rod is fixedly welded on one end of the outer support shaft far away from the motor, and the four magnetic flux leakage inner detectors are respectively fixed on four end parts of the cross rod. The omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline covers the omnibearing magnetic flux leakage detection of all positions in the pipeline, thereby reducing the probability of occurrence of the magnetic flux leakage detection.

Description

Be used for all-round magnetic leakage detection device of pipeline inner chamber

Technical Field

The utility model belongs to the technical field of pipeline magnetic flux leakage detection, and particularly relates to an omnibearing magnetic flux leakage detection device for a pipeline inner cavity.

Background

The pipeline magnetic flux leakage inner detector using the inner magnetic flux leakage detection technology can detect metal loss defects such as corrosion, mechanical damage and the like of the inner wall and the outer wall of the pipeline, so that the pipeline magnetic flux leakage inner detector is widely applied to detection of various pipelines. The detector is a special detector used in engineering and technical science basic subject and safety science technical field.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: the device for detecting the magnetic leakage of the pipeline in the prior art is mostly inconvenient to adjust the position of the detector in the magnetic leakage, so that the detector in the magnetic leakage is difficult to cover the detection of the magnetic leakage at all positions in the pipeline, the detection of the magnetic leakage is not comprehensive enough, and the detection phenomenon of the magnetic leakage is easy to occur.

Therefore, we propose an omnibearing magnetic flux leakage detection device for a pipeline inner cavity to solve the problems.

Disclosure of Invention

The utility model mainly aims to provide the omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline, which can drive four magnetic flux leakage inner detectors to rotate at a constant speed and slowly when a motor operates, and cover the omnibearing magnetic flux leakage detection at all positions in the pipeline, so that the probability of occurrence of the magnetic flux leakage detection is reduced, and the problem in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a be used for all-round magnetic leakage detection device of pipeline inner chamber, includes the supporting seat and installs four magnetic leakage internal detectors on the supporting seat, the action wheel is installed to one side symmetry of supporting seat diapire, the supporting seat internally mounted has driving motor, and driving motor is used for driving two action wheels operation, the opposite side symmetry of supporting seat diapire installs the gyro wheel;

the utility model discloses a magnetic flux leakage detector, including supporting seat, motor, outer pivot, magnetic flux leakage detector, mounting seat, outer pivot, supporting seat roof, wherein the welding of one side of supporting seat roof has the protrusion seat, wherein the inside of protrusion seat is formed with the mounting groove, the inner wall fixed mounting of mounting groove has the motor of level setting, the output shaft coaxial coupling of motor has the outer pivot, the one end fixed welding that the motor was kept away from to the outer pivot has the cross pole, four in the magnetic flux leakage detector is fixed in four tip of cross pole respectively, and four in the magnetic flux leakage detector is circumference array along the horizontal axis of cross pole distributes.

As a preferable implementation scheme, four sides of one side wall of the cross rod, which is back to the external support shaft, are welded with fixing seats; the inner cavities of the four fixing seats are respectively arranged on one side of the four fixing seats far away from the center of the cross rod.

As a preferred implementation scheme, the four inner cavities of the fixed seat are respectively provided with an electric telescopic rod and a piston block, wherein two ends of the electric telescopic rod are respectively fixedly connected with the inner wall of the fixed seat and the piston block; the four electric telescopic rods need to be connected to a power supply arranged on the support base, so that the electric telescopic rods work normally, and the power supply is not shown in the figure, but is in the prior art.

As a preferable implementation mode, the four side walls of the piston block are attached to the inner wall of the fixed seat; so that the piston block can only make unidirectional translation in the inner cavity of the fixed seat, and the phenomena of shaking or falling and the like can not occur.

As a preferred implementation scheme, one side of each piston block far away from the center of the cross rod is welded with a mounting plate, one side of each mounting plate far away from the cross rod is symmetrically welded with two baffles, four magnetic flux leakage inner detectors are respectively positioned on the four mounting plates, and each magnetic flux leakage inner detector is attached to the inner walls of the two baffles on the mounting plates; thereby stabilizing the structure of the magnetic flux leakage inner detector.

In summary, the technical effects and advantages of the present utility model are:

according to the omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline, the driving motor drives the two driving wheels below the supporting seat to operate, the other two rollers also move along with the driving wheels, so that the supporting seat and the structure on the supporting seat move along with the driving motor, and the device is driven to move from one side of the pipeline to the other side at a constant speed, so that the magnetic flux leakage detection at all positions in the pipeline is covered, and the four magnetic flux leakage inner detectors can be driven to rotate at a constant speed and slowly due to the operation of the motor, so that the omnibearing magnetic flux leakage detection at all positions in the pipeline is covered, and the probability of the occurrence of the magnetic flux leakage detection is reduced;

this an all-round magnetic leakage detection device for pipeline inner chamber drives four piston blocks and four mounting panels through the flexible of drive four electric telescopic links and removes, makes four magnetic leakage in the detector flexible, adjusts the position of detector in the magnetic leakage, makes the detector be close to the pipeline inner wall in the magnetic leakage to the detection of pipeline of different diameters has been adapted to, the coverage has been improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the utility model from the bottom view;

FIG. 3 is a partial cross-sectional view taken at A-A of FIG. 1 in accordance with the present utility model;

fig. 4 is a partial cross-sectional view of the utility model at B-B in fig. 1.

In the figure: 1. a support base; 2. a driving wheel; 3. a roller; 4. a protruding seat; 5. a mounting groove; 6. a motor; 7. an outer support shaft; 8. a cross bar; 9. a fixing seat; 10. an electric telescopic rod; 11. a piston block; 12. a mounting plate; 13. a baffle; 14. and a magnetic flux leakage internal detector.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.

Referring to fig. 1-4, an omnibearing magnetic flux leakage detection device for a pipeline inner cavity comprises a supporting seat 1 and four magnetic flux leakage inner detectors 14 mounted on the supporting seat 1, wherein one side of the bottom wall of the supporting seat 1 is symmetrically provided with driving wheels 2, the inside of the supporting seat 1 is provided with driving motors for driving the two driving wheels 2 to operate, the technical principle is that the prior art is not repeated herein, the other side of the bottom wall of the supporting seat 1 is symmetrically provided with idler wheels 3, one side of the top wall of the supporting seat 1 is welded with a protruding seat 4, the inside of the protruding seat 4 is provided with a mounting groove 5, the inner wall of the mounting groove 5 is fixedly provided with a motor 6 which is horizontally arranged, an output shaft of the motor 6 penetrates through the protruding seat 4 and is coaxially connected with an outer support shaft 7, one end of the outer support shaft 7 far from the motor 6 is fixedly welded with a cross rod 8, the four magnetic flux leakage inner detectors 14 are respectively fixed at four ends of the cross rod 8, and the four magnetic flux leakage inner detectors 14 are distributed in a circumferential array along the horizontal axis of the cross rod 8;

the four sides of one side wall of the cross rod 8, which is opposite to the external support shaft 7, are welded with the fixing seats 9, the inner cavities of the four fixing seats 9 are respectively arranged on one side of the inner cavity of the four fixing seats 9, which is far away from the center of the cross rod 8, the inner cavities of the four fixing seats 9 are respectively provided with the electric telescopic rods 10 and the piston blocks 11, wherein the two ends of each electric telescopic rod 10 are respectively fixedly connected with the inner walls of the fixing seats 9 and the piston blocks 11, the four electric telescopic rods 10 are required to be connected with a power supply arranged on the supporting seat 1 so as to enable the electric power supply to work normally, the power supply is not shown in the drawing, but in the prior art, the four side walls of the piston blocks 11 are attached to the inner walls of the fixing seats 9, so that the piston blocks 11 can only make unidirectional translation in the inner cavity of the fixing seats 9, and do not shake or fall down, the like, one side of the four piston blocks 11, which is far away from the center of the cross rod 8, is symmetrically welded with the mounting plates 12, one side of the mounting plates 12, which is far away from the cross rod 8, is symmetrically welded with two baffle plates 13, the four magnetic flux leakage detectors 14 are respectively positioned on the four mounting plates 12, and the two baffle plates 13, and the magnetic flux leakage detectors 14 are attached to the inner side of the two baffle plates 13, so that the structures are attached to the stable.

Working principle: firstly, the device is placed in a pipeline, a driving motor is enabled to operate to drive two driving wheels 2 to operate, the driving motor is enabled to drive a supporting seat 1 and a structure on the supporting seat to translate, meanwhile, two rollers 3 are enabled to translate in the pipeline, four magnetic flux leakage inner detectors 14 are enabled to operate simultaneously, so that magnetic flux leakage detection can be carried out on the inner wall of the pipeline, meanwhile, a driving motor 6 is enabled to operate to drive an outer support shaft 7 and a cross rod 8 to operate, the four magnetic flux leakage inner detectors 14 on the cross rod 8 are enabled to operate at a uniform speed and slowly at the same time, therefore magnetic flux leakage detection at all positions in the pipeline is covered, and the probability of magnetic flux leakage detection is reduced; the positions of the four magnetic flux leakage inner detectors 14 can be adjusted according to the different diameters of the pipelines, and the adjustment modes are as follows: the four electric telescopic rods 10 are driven to extend or retract to drive the four piston blocks 11 to translate, so that the four mounting plates 12 drive the four magnetic leakage inner detectors 14 to stretch, the four magnetic leakage inner detectors 14 can be close to the inner wall of the pipeline, and the detection success rate is higher.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a be used for all-round magnetic leakage detection device of pipeline inner chamber, includes supporting seat (1) and installs four magnetic leakage internal detector (14) on supporting seat (1), its characterized in that, one side symmetry of supporting seat (1) diapire installs action wheel (2), supporting seat (1) internally mounted has driving motor, and driving motor is used for driving two action wheels (2) operation, the opposite side symmetry of supporting seat (1) diapire installs gyro wheel (3);

one side welding of supporting seat (1) roof has protruding seat (4), wherein the inside of protruding seat (4) is formed with mounting groove (5), the inner wall fixed mounting of mounting groove (5) has motor (6) of level setting, the output shaft coaxial coupling of motor (6) has outer pivot (7), the one end fixed welding that outer pivot (7) kept away from motor (6) has cross pole (8), four in the magnetic leakage detector (14) are fixed in four tip of cross pole (8) respectively, and four in the magnetic leakage detector (14) are circumference array distribution along the horizontal axis of cross pole (8).

2. The omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline according to claim 1, wherein the four sides of one side wall of the cross rod (8) back to the outer support shaft (7) are welded with fixing seats (9).

3. The omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline according to claim 2, wherein the inner cavities of the four fixed seats (9) are respectively provided with an electric telescopic rod (10) and a piston block (11), and two ends of the electric telescopic rod (10) are respectively fixedly connected with the inner wall of the fixed seat (9) and the piston block (11).

4. The omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline according to claim 3, wherein four side walls of the piston block (11) are attached to the inner wall of the fixed seat (9).

5. The omnibearing magnetic flux leakage detection device for the inner cavity of the pipeline according to claim 4, wherein the four piston blocks (11) are welded with mounting plates (12) on one side far away from the center of the cross rod (8), two baffles (13) are symmetrically welded on one side far away from the cross rod (8) of the mounting plates (12), four magnetic flux leakage inner detectors (14) are respectively positioned on the four mounting plates (12), and each magnetic flux leakage inner detector (14) is attached to the inner walls of the two baffles (13) on the mounting plates (12).