CN217927870U

CN217927870U - Online thickness measuring device for petrochemical pipeline

Info

Publication number: CN217927870U
Application number: CN202221162957.2U
Authority: CN
Inventors: 沈文翔; 张思; 尹春阳
Original assignee: Luoyang Xinlong Engineering Inspection Co ltd
Current assignee: Luoyang Xinlong Engineering Inspection Co ltd
Priority date: 2022-05-14
Filing date: 2022-05-14
Publication date: 2022-11-29
Anticipated expiration: 2032-05-14

Abstract

The embodiment of the utility model provides a pipeline thickness measurement technical field, concretely relates to online thickness measurement device for petrochemical industry pipeline, it includes and slides the setting at the outside cyclic annular base of pipeline through the wheelset, it is provided with the swivel becket to rotate on the base, the first gear of lateral part fixedly connected with of swivel becket, the inside of base is rotated and is provided with the second gear with first gear engaged with, fixedly connected with is used for driving second gear revolve's motor on the base. The utility model has the advantages that: when the device is in actual use, the wheel set rotates to drive the base to move on the pipeline, so that the linear motion of the probe is realized, the motor can drive the first gear to rotate through the second gear, and then the circular motion of the probe along the pipeline is realized, namely the omnibearing detection of the probe on the pipeline is realized through the linear motion and the circular motion of the probe; when the base is moved at the bend of the pipe, the elastic member is bent so that the device can pass through the bent position of the pipe.

Description

Online thickness measuring device for petrochemical pipeline

Technical Field

The utility model relates to a pipeline thickness measurement technical field, concretely relates to online thickness measuring device for petrochemical industry pipeline.

Background

Most petrochemical devices are high-temperature and high-pressure equipment, stress corrosion exists, and some pipeline elbows can be continuously collided and abraded at a high speed by a gravel-shaped catalyst; therefore, the wall thickness of the equipment can be thinned, and defects such as pits, pinholes and the like caused by corrosion or abrasion can be generated; once the thin film is thinned to a certain degree, the film is subjected to local stress, and risks such as cracking and explosion are likely to occur; the maintenance project of the petrochemical plant must perform online corrosion detection on the plant. An online thickness measuring probe is additionally arranged according to different working environments on site, a certain point of a certain pipeline is periodically detected for a long time, monitored data are uploaded to a cloud platform, and a worker can clearly know the running state of a pipe fitting from a background;

in the existing online thickness measuring instrument, in order to avoid the situation that the probe is fixed at the same position for long time for detection, a walking mechanism is additionally arranged on the probe, so that the probe can perform linear motion on a pipeline, but certain defects still exist in the prior art;

the detection range of the probe to the pipeline is always a straight line, so that the probe can only detect a certain straight line range of the pipeline, the omnibearing detection of the pipeline is difficult to realize, and the existing probe cannot pass through the bent part of the pipeline when moving, so that the detection range of the pipeline is small.

Therefore, there is a need for an online thickness measuring device for petrochemical pipelines to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides an online thickness measuring device for petrochemical industry pipeline has realized the purpose of solving the problem that proposes in the background art.

The embodiment of the utility model provides a in order to realize above-mentioned purpose, specifically adopt following technical scheme: an online thickness measuring device for a petrochemical pipeline comprises an annular base which is arranged outside the pipeline in a sliding mode through a wheel set, wherein a rotating ring is arranged on the base in a rotating mode, a first gear is fixedly connected to the side portion of the rotating ring, a second gear meshed with the first gear is arranged inside the base in a rotating mode, and a motor used for driving the second gear to rotate is fixedly connected to the base; the outside fixedly connected with connecting rod of swivel collar, fixedly connected with elastic component on the connecting rod, be provided with the probe on the elastic component.

As a further improvement of the technical scheme:

one side fixedly connected with bracing piece that the elastic component is close to the pipeline, the inside of bracing piece is rotated and is provided with the magnetism ball that adsorbs in the pipeline outside.

The support rods are arranged in two numbers, and the two support rods are symmetrically arranged on two sides of the probe.

The support rod is made of nonmagnetic metal materials.

The elastic piece is an elastic metal sheet.

The utility model discloses beneficial effect does:

when the device is in actual use, the wheel set rotates to drive the base to move on the pipeline, so that the probe moves on the pipeline, the linear motion of the probe is realized, the motor can drive the first gear to rotate through the second gear, the rotating ring is driven to rotate, the circular motion of the probe along the pipeline is realized, and the omnibearing detection of the probe on the pipeline is realized through the linear motion and the circular motion of the probe; in actual use, when the base moves at the bend of the pipe, the elastic member is bent, so that the device can pass through the bend position of the pipe.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the support rod of the present invention;

fig. 3 is a schematic structural view of the rotating ring of the present invention.

In the figure: 1. a base; 2. a rotating ring; 3. a first gear; 4. a second gear; 5. a motor; 6. a connecting rod; 7. an elastic member; 8. a probe; 9. a support bar; 10. a magnetic ball; 11. and (4) wheel groups.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Referring to fig. 1 to 3, the embodiment of the present invention discloses an online thickness measuring device for petrochemical pipelines, including an annular base 1 disposed outside the pipeline in a sliding manner through a wheel set 11 (the wheel set 11 is a power wheel provided with an elastic component, so that the wheel set 11 can be always kept in a bonding state outside the pipeline, which is a common prior art, and has no direct relation with the problem actually solved in the present application, and therefore no specific description is given, and therefore, the wheel set 11 and other associated mechanisms should not fall within the range of the present application), a rotating ring 2 is rotatably disposed on the base 1, a first gear 3 is fixedly connected to a lateral part of the rotating ring 2, a second gear 4 meshed with the first gear 3 is rotatably disposed inside the base 1, and a motor 5 for driving the second gear 4 to rotate is fixedly connected to the base 1;

a connecting rod 6 is fixedly connected to the outer part of the rotating ring 2, an elastic part 7 is fixedly connected to the connecting rod 6, a probe 8 is arranged on the elastic part 7, the probe 8 is a water spray focusing probe, and ultrasonic waves can completely enter the wall of the pipeline through sufficient coupling of water, so that stable and accurate thickness measurement data can be obtained (the probe 8 is mature technology and has no direct relation with the problem actually solved by the application, and therefore specific details are not repeated);

during actual use, the wheel set 11 rotates to drive the base 1 to move on a pipeline, so that the probe 8 moves on the pipeline, the linear motion of the probe 8 is realized, the motor 5 can drive the first gear 3 to rotate through the second gear 4, the rotating ring 2 is driven to rotate, the circular motion of the probe 8 along the pipeline is realized, and the omnibearing detection of the probe 8 on the pipeline is realized through the linear motion and the circular motion of the probe 8;

in actual use, when the base 1 is moved at the bend of the pipe, the elastic member 7 is bent so that the device can pass through the bend of the pipe.

As further illustration of the present application: one side of the elastic part 7 close to the pipeline is fixedly connected with a supporting rod 9, and a magnetic ball 10 adsorbed outside the pipeline is rotatably arranged inside the supporting rod 9; when in actual use, support elastic component 7 through bracing piece 9, avoid because the self weight of probe 8 makes probe 8 rub with the pipeline when removing after bending elastic component 7, through setting up magnetism ball 10, make magnetism ball 10 adsorb to be fixed on the pipeline to make and keep a determining deviation between probe 8 and the pipeline, avoid the position between probe 8 and the pipeline to take place to change the back measurement reading of being not convenient for by a wide margin under elastic component 7's influence.

As further illustration of the present application: the number of the support rods 9 is two, and the two support rods 9 are symmetrically arranged on two sides of the probe 8, so that the probe 8 can be supported by the support rods 9.

As further illustration of the present application: the support rod 9 is made of non-magnetic metal material, so that the magnetic ball 10 can roll normally inside the support rod 9.

As further illustration of the present application: the elastic piece 7 is an elastic metal sheet, so that the elastic piece 7 can be deformed normally and reset after deformation.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions can be made on the related technical features by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions will fall into the protection scope of the invention.

Claims

1. The online thickness measuring device for the petrochemical pipeline comprises an annular base (1) which is arranged outside the pipeline in a sliding mode through a wheel set (11), and is characterized in that a rotating ring (2) is arranged on the base (1) in a rotating mode, a first gear (3) is fixedly connected to the side portion of the rotating ring (2), a second gear (4) meshed with the first gear (3) is arranged in the base (1) in a rotating mode, and a motor (5) used for driving the second gear (4) to rotate is fixedly connected to the base (1);

the outer portion of the rotating ring (2) is fixedly connected with a connecting rod (6), an elastic piece (7) is fixedly connected onto the connecting rod (6), and a probe (8) is arranged on the elastic piece (7).

2. The on-line thickness measuring device for petrochemical pipelines according to claim 1, wherein one side of elastic member (7) close to the pipeline is fixedly connected with a supporting rod (9), and the inside of supporting rod (9) is rotatably provided with a magnetic ball (10) adsorbed outside the pipeline.

3. The on-line thickness measuring device for petrochemical pipelines according to claim 2, wherein the supporting rods (9) are provided in two numbers, and the two supporting rods (9) are symmetrically arranged at two sides of the probe (8).

4. The on-line thickness measuring device for petrochemical pipelines according to claim 3, wherein the supporting rod (9) is made of non-magnetic metal.

5. The in-line thickness measuring device for petrochemical pipelines according to claim 1, wherein the elastic member (7) is an elastic metal sheet.