CN212658664U

CN212658664U - Pipeline inner wall crack detection device

Info

Publication number: CN212658664U
Application number: CN202021605703.4U
Authority: CN
Inventors: 刘霞; 仝志强; 裴仕兵; 屈标
Original assignee: Shanghai Yutong Pipeline Engineering Technology Co ltd
Current assignee: Shanghai Yutong Pipeline Engineering Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-05
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a pipeline inner wall crackle detection device, including the riser, one side of riser is provided with moving mechanism, and moving mechanism's outside is provided with detection mechanism, and moving mechanism includes first motor, and first motor fixed connection is at the side surface of riser, the output fixedly connected with threaded rod of first motor, the utility model discloses the beneficial effect who reaches is: insert threaded rod and branch in the heavy-calibre pipeline that needs detected, first motor drives the threaded rod and rotates, the threaded rod promotes the removal of movable block through the effect with the thread groove, the second motor drives the pinion rotatory, because the meshing effect of pinion and gear wheel, the turnover is done along the gear wheel to pinion self, the pinion drives the second motor and removes, the second motor drives the commentaries on classics piece and uses the turn-trough to be rotatory as the center, the piece that changes drives the slide bar commentaries on classics, the slide bar drives ultrasonic transducer and rotates along the pipeline inner wall, fully detect the pipeline inner wall, eliminate the potential safety hazard.

Description

Pipeline inner wall crack detection device

Technical Field

The utility model relates to a crack detection device, in particular to pipeline inner wall crack detection device belongs to pipeline detection technical field.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, the fluid is pressurized by a blower, a compressor, a pump, a boiler, etc. and then flows from a high pressure point to a low pressure point in the pipeline.

If cracks are generated on the inner wall of the pipeline, the inner wall of the pipeline can be broken under high pressure, for some large-caliber pipelines, the inner wall of the pipeline needs to be detected before leaving a factory so as to prevent serious leakage accidents, the existing detection mode is to use an ultrasonic flaw detector probe to be attached to the surface of the pipeline for detection, and the detection mode is difficult to detect the cracks on the inner wall of the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipeline inner wall crackle detection device, the effectual problem that exists of having solved among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a pipeline inner wall crack detection device, which comprises a vertical plate, wherein one side of the vertical plate is provided with a moving mechanism, and the outside of the moving mechanism is provided with a detection mechanism;

the moving mechanism comprises a first motor, the first motor is fixedly connected to the side surface of the vertical plate, the output end of the first motor is fixedly connected with a threaded rod, the surface of one side, close to the first motor, of the vertical plate is fixedly connected with a supporting rod, the outer surface of the threaded rod is in threaded connection with a threaded groove, the threaded groove is formed in the moving block, and a through groove is formed in the moving block;

the detection mechanism comprises a large gear, the large gear is fixedly connected to the outer surface of one end of a moving block, the moving block is rotatably connected to the inside of a rotating groove, the rotating groove is formed in the inside of one end of a rotating block, a second motor is fixedly connected to the surface of one end of the rotating block, a small gear is fixedly connected to the output end of the second motor, a first sliding groove is formed in the inside, away from one end of the second motor, of the rotating block, a spring is fixedly connected to the surface of the bottom of the first sliding groove, a sliding block is fixedly connected to one end of the spring, a sliding rod is fixedly connected to the surface of one end of the sliding block, an ultrasonic probe is fixedly connected to the end, away from the sliding block, of the sliding block.

As an optimal technical scheme of the utility model, lead to groove and branch sliding connection.

As an optimized technical scheme of the utility model, gear wheel and pinion mesh mutually.

As an optimal technical scheme of the utility model, slider and first spout sliding connection.

As an optimized technical scheme of the utility model, slide bar and second spout sliding connection.

As an optimized technical scheme of the utility model, the spring is pegged graft in the inside of first spout.

The utility model discloses the beneficial effect who reaches is: insert threaded rod and branch in the heavy-calibre pipeline that needs detected, first motor drives the threaded rod and rotates, the threaded rod promotes the removal of movable block through the effect with the thread groove, the second motor drives the pinion rotatory, because the meshing effect of pinion and gear wheel, the turnover is done along the gear wheel to pinion self, the pinion drives the second motor and removes, the second motor drives the commentaries on classics piece and uses the turn-trough to be rotatory as the center, the piece that changes drives the slide bar commentaries on classics, the slide bar drives ultrasonic transducer and rotates along the pipeline inner wall, fully detect the pipeline inner wall, eliminate the potential safety hazard.

Drawings

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

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a top view of the structure of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a vertical plate; 2. a moving mechanism; 21. a first motor; 22. a threaded rod; 23. a strut; 24. a thread groove; 25. a moving block; 26. a through groove; 3. a detection mechanism; 31. a bull gear; 32. rotating the block; 33. rotating the groove; 34. a second motor; 35. a pinion gear; 36. a first chute; 37. a spring; 38. a slider; 39. a second chute; 310. a slide bar; 311. an ultrasonic probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the device for detecting cracks on the inner wall of a pipeline of the present invention comprises a vertical plate 1, a moving mechanism 2 is disposed on one side of the vertical plate 1, and a detecting mechanism 3 is disposed outside the moving mechanism 2;

the moving mechanism 2 comprises a first motor 21, the first motor 21 is fixedly connected to the side surface of the vertical plate 1, the output end of the first motor 21 is fixedly connected with a threaded rod 22, the surface of one side, close to the first motor 21, of the vertical plate 1 is fixedly connected with a supporting rod 23, the outer surface of the threaded rod 22 is in threaded connection with a threaded groove 24, the threaded groove 24 is formed in the moving block 25, a through groove 26 is formed in the moving block 25, and the moving mechanism 2 is driven by the first motor 21 to enable the detection mechanism 3 to move;

detection mechanism 3 includes gear wheel 31, gear wheel 31 fixed connection is in the one end surface of movable block 25, movable block 25 rotates the inside of connecting at runner 33, runner 33 sets up inside the one end of runner 32, the one end fixed surface of runner 32 is connected with second motor 34, the output fixedly connected with pinion 35 of second motor 34, first spout 36 has been seted up to the inside that second motor 34 one end was kept away from to runner 32, the bottom fixed surface of first spout 36 is connected with spring 37, the one end fixedly connected with slider 38 of spring 37, the one end fixed surface of slider 38 is connected with slide bar 310, the one end fixedly connected with ultrasonic transducer 311 of slider 38 that keeps away from of slide bar 310, second spout 39 has been seted up to the upper surface that runner 32 is close to first spout 36 one end, detection mechanism 3 is rotatory in the removal, detect the pipeline inner wall.

The through groove 26 is connected with the support rod 23 in a sliding mode, and the support rod 23 plays a limiting role and prevents the moving block 25 from rotating.

The large gear 31 is engaged with the small gear 35, so as to drive the rotating block 32 to rotate.

The sliding block 38 is slidably connected to the first sliding slot 36, and the sliding block 38 prevents the sliding rod 310 from sliding out of the second sliding slot 39.

The sliding rod 310 is slidably connected to the second sliding slot 39, so that the ultrasonic probe 311 can perform detection conveniently.

The spring 37 is inserted inside the first sliding groove 36, so as to compress the slider 38.

The ultrasonic probe 311 is a probe of a YED-900 ultrasonic flaw detector.

Specifically, when the utility model is used, the threaded rod 22 and the supporting rod 23 are inserted into a large-diameter pipeline to be detected, the ultrasonic probe 311 is pushed by the spring 37 to tightly abut against the surface of the inner wall of the pipeline, an external power supply is connected, the first motor 21 is started to drive the threaded rod 22 to rotate, the threaded rod 22 pushes the moving block 25 to move under the action of the threaded groove 24, the supporting rod 23 slides in the through groove 26 to prevent the moving block 25 from rotating, the second motor 34 is started to drive the pinion 35 to rotate, due to the meshing action of the pinion 35 and the gearwheel 31, and the gearwheel 31 is in a fixed state and cannot rotate, so that the pinion 35 turns around along the gearwheel 31, the pinion 35 drives the second motor 34 to move, the second motor 34 drives the rotating block 32 to rotate by taking the rotating groove 33 as the center, the rotating block 32 drives the sliding rod 310 to rotate, and the sliding rod 310, the inner wall of the pipeline is fully detected, and potential safety hazards are eliminated.

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

Claims

1. The pipeline inner wall crack detection device comprises a vertical plate (1), and is characterized in that a moving mechanism (2) is arranged on one side of the vertical plate (1), and a detection mechanism (3) is arranged outside the moving mechanism (2);

the moving mechanism (2) comprises a first motor (21), the first motor (21) is fixedly connected to the side surface of the vertical plate (1), the output end of the first motor (21) is fixedly connected with a threaded rod (22), the surface of one side, close to the first motor (21), of the vertical plate (1) is fixedly connected with a supporting rod (23), the outer surface of the threaded rod (22) is in threaded connection with a threaded groove (24), the threaded groove (24) is formed in the moving block (25), and a through groove (26) is formed in the moving block (25);

the detection mechanism (3) comprises a large gear (31), the large gear (31) is fixedly connected to the outer surface of one end of a moving block (25), the moving block (25) is rotatably connected to the inside of a rotating groove (33), the rotating groove (33) is formed in the inside of one end of a rotating block (32), a second motor (34) is fixedly connected to the surface of one end of the rotating block (32), a small gear (35) is fixedly connected to the output end of the second motor (34), a first sliding groove (36) is formed in the inside of one end, far away from the second motor (34), of the rotating block (32), a spring (37) is fixedly connected to the surface of the bottom of the first sliding groove (36), a sliding block (38) is fixedly connected to one end of the spring (37), a sliding rod (310) is fixedly connected to the surface of one end of the sliding block (38), and an ultrasonic probe (311) is fixedly connected to one end, far, the upper surface of the rotating block (32) close to one end of the first sliding chute (36) is provided with a second sliding chute (39).

2. The pipeline inner wall crack detection device of claim 1, wherein the through groove (26) is slidably connected with the support rod (23).

3. The pipeline inner wall crack detection device as claimed in claim 1, wherein the large gear (31) is engaged with the small gear (35).

4. The pipeline inner wall crack detection device of claim 1, wherein the sliding block (38) is connected with the first sliding chute (36) in a sliding way.

5. The pipeline inner wall crack detection device as claimed in claim 1, wherein the sliding rod (310) is slidably connected with the second sliding chute (39).

6. The pipeline inner wall crack detection device as claimed in claim 1, wherein the spring (37) is inserted inside the first sliding groove (36).