阅读说明：本技术 一种可贴合管道行走的海洋工程用管道外表面探伤装置 (Pipeline outer surface flaw detection device capable of walking along pipeline for ocean engineering ) 是由 朱仁广 于 2021-01-27 设计创作，主要内容包括：本发明公开了一种可贴合管道行走的海洋工程用管道外表面探伤装置,包括基体、涡流传感器和行走轮,所述基体的下方设置有涡流传感器,且基体的内部安装有电磁铁,并且基体的下方设置有安装罩,且安装罩的上端连接有安装轴,并且安装轴设置在基体的下表面,所述安装罩的内部设置有行走轮,且行走轮的内侧设置有连接杆。该可贴合管道行走的海洋工程用管道外表面探伤装置设置有连接杆和传动杆,可通过传动杆和锥齿轮的配合为连接杆进行动力的传输,使连接杆能驱动行走轮进行旋转,从而使装置能沿管道的表面进行行走,且可配合电磁铁的作用使装置稳定的吸附在管道外侧,避免发生脱落,不受下方管道支撑部的影响,可实现长距离的连续检测。(The invention discloses a pipeline outer surface flaw detection device capable of walking along a pipeline for ocean engineering, which comprises a base body, an eddy current sensor and walking wheels, wherein the eddy current sensor is arranged below the base body, an electromagnet is arranged inside the base body, an installation cover is arranged below the base body, the upper end of the installation cover is connected with an installation shaft, the installation shaft is arranged on the lower surface of the base body, the walking wheels are arranged inside the installation cover, and the inner sides of the walking wheels are provided with connecting rods. This can laminate pipeline walking pipeline surface device of detecting a flaw for ocean engineering is provided with connecting rod and transfer line, the cooperation of accessible transfer line and bevel gear carries out the transmission of power for the connecting rod, makes the connecting rod can the road wheel of driveing rotate to make the device walk along the surface of pipeline, and can cooperate the effect of electro-magnet to make the stable absorption of device in the pipeline outside, avoid taking place to drop, do not receive the influence of below pipeline supporting part, can realize long distance continuous detection.)

1. The utility model provides a can laminate pipeline walking's pipeline surface device of detecting a flaw for ocean engineering, includes base member (1), eddy current sensor (2) and walking wheel (9), its characterized in that: the vortex sensor (2) is arranged below the base body (1), the electromagnet (6) is arranged inside the base body (1), the mounting cover (7) is arranged below the base body (1), the upper end of the mounting cover (7) is connected with the mounting shaft (8), the mounting shaft (8) is arranged on the lower surface of the base body (1), the traveling wheel (9) is arranged inside the mounting cover (7), the connecting rod (10) is arranged on the inner side of the traveling wheel (9), the connecting rod (10) is located inside the mounting cover (7), the inner end of the connecting rod (10) is embedded with the bevel gear (11), the transmission rod (12) is connected above the bevel gear (11), the transmission gear (13) is fixed to the upper end of the transmission rod (12), the transmission block (14) is arranged on the outer side of the transmission gear (13), and the transmission block (14) is arranged inside the base body (1), the inboard of transmission piece (14) is provided with drive block (15), and the top of drive block (15) is connected with first motor (16), the surface mosaic of installation cover (7) has connecting block (17), and the inboard of connecting block (17) is provided with synchronous connecting plate (18) to the top of synchronous connecting plate (18) is connected with drive gear (19), drive gear (19) are located the inside of base member (1), and the top of drive gear (19) is connected with second motor (20).

2. The pipeline outer surface flaw detection device capable of walking along the pipeline for the ocean engineering according to the claim 1, wherein: the controller (3) is installed to the top of base member (1), and the right side of controller (3) is provided with battery (4) to the right side of battery (4) is provided with signal receiver (5).

3. The pipeline outer surface flaw detection device capable of walking along the pipeline for the ocean engineering according to the claim 1, wherein: installation cover (7) are provided with 4 altogether, and install and cover (7) and constitute revolution mechanic between installation axle (8) and base member (1) to the look-up cross-section of installation cover (7) is the ring structural design, and the vertical central line of installation cover (7) and the vertical central line of installation axle (8) coincide the setting mutually simultaneously.

4. The pipeline outer surface flaw detection device capable of walking along the pipeline for the ocean engineering according to the claim 3, wherein: the walking wheels (9) are connected with the mounting cover (7) through bearings, the walking wheels (9) and the connecting rod (10) form an integrated structure, and the connecting rod (10) and the transmission rod (12) are perpendicular to each other.

5. The pipeline outer surface flaw detection device capable of travelling along the pipeline for the ocean engineering according to claim 4, wherein: the connecting rod (10) is connected with the transmission rod (12) through the bevel gear (11), the transmission rod (12) is connected with the mounting cover (7) through a bearing, and the transmission rod (12) and the transmission gear (13) form an integrated structure.

6. The pipeline outer surface flaw detection device capable of travelling along the pipeline for the ocean engineering according to claim 5, wherein: the transmission gear (13) is in meshed connection with the transmission block (14), the transmission block (14) is in meshed connection with the driving block (15), the overlooking section of the driving block (15) and the overlooking section of the transmission block (14) are both in circular structural design, and meanwhile, the vertical center line of the driving block (15) is overlapped with the vertical center line of the first motor (16).

7. The pipeline outer surface flaw detection device capable of travelling along the pipeline for the ocean engineering according to claim 5, wherein: the lower surface of the transmission block (14) is provided with a guide groove (1401), the upper surface of the transmission block (14) is provided with an installation rod (1402), and the transmission block (14) forms a rotating structure through the installation rod (1402) and the base body (1).

8. The pipeline outer surface flaw detection device for ocean engineering, which can travel along the pipeline, according to claim 7, wherein: the bottom-view cross section of the guide groove (1401) is designed into a circular structure, the guide groove (1401) and the transmission rod (12) are in sliding connection, and the vertical center lines of the guide groove (1401), the transmission block (14) and the mounting shaft (8) are overlapped.

9. The pipeline outer surface flaw detection device capable of walking along the pipeline for the ocean engineering according to the claim 1, wherein: the connecting block (17) and the synchronous connecting plate (18) are in meshed connection, the main section of the upper end of the synchronous connecting plate (18) is designed to be in an inverted L-shaped structure, a rotating structure is formed between the synchronous connecting plate (18) and the base body (1), and the synchronous connecting plate (18) and the driving gear (19) are in meshed connection.

Technical Field

The invention relates to the technical field of ocean engineering, in particular to a pipeline outer surface flaw detection device for ocean engineering, which can be attached to a pipeline to travel.

Background

Along with the progress of science and technology, people develop and utilize oceans more and more, the construction amount of oceaneering is increased gradually, media can be conveyed through pipelines in oceaneering, due to the particularity of oceaneering environment, the pipelines need to be checked before being installed, and can be regularly checked sometimes as required after being installed, the vortex nondestructive inspection trolley for the ground heat supply pipelines disclosed by the publication No. CN207457136U comprises a driving wheel, a driven wheel, a connecting rod, a bevel gear, a mating gear, a vortex sensor probe, a detachable framework and a motor, and is characterized in that the detachable framework can be detached and changed in size, can adapt to heat supply pipelines of different specifications, the driving wheel is driven by the motor to rotate, the driven wheel synchronously follows and rotates, the linear movement of the trolley along the axial direction of the pipelines can be realized, and simultaneously the vortex nondestructive inspection can be carried out on the surfaces of the heat supply pipelines by the vortex sensor probe, however, the device has some disadvantages when in use:

1. the device is covered on the outer side of the pipeline to move, and because the lower end of the pipeline needs to be provided with a supporting surface when in detection, the device can only detect the pipeline in the middle of the overhead pipeline when in use and cannot cross the supporting part, so that the device cannot continuously walk along the pipeline, the installation and disassembly processes before and after use are complex, and the use convenience of the device is reduced;

2. the device can only remove along the pipeline horizontal direction when using, leads to it to detect the position and also can only keep on a horizontally straight line, and the device need will dismantle the position of skeleton and carry out rotation adjustment in the pipeline outside when the adjustment that needs detected the position to detect the pipeline surface of different positions, reduced its follow-up detection efficiency and the whole flexibility of device.

Aiming at the problems, innovative design is urgently needed on the basis of the original pipeline outer surface flaw detection device.

Disclosure of Invention

The invention aims to provide a pipeline outer surface flaw detection device for ocean engineering, which can move along a pipeline, and solves the problems that the existing pipeline outer surface flaw detection device in the market proposed by the background technology only can detect the pipeline in the middle of an overhead part when in use, cannot cross a supporting part, cannot continuously move along the pipeline, is complicated in installation and disassembly processes before and after use, can only move along the horizontal direction of the pipeline when in use, can only keep the detection position on a horizontal straight line, and is inconvenient to adjust the position of the detection position on the pipeline.

In order to achieve the purpose, the invention provides the following technical scheme: a pipeline outer surface flaw detection device capable of walking along a pipeline for ocean engineering comprises a base body, an eddy current sensor and a walking wheel, wherein the eddy current sensor is arranged below the base body, an electromagnet is arranged inside the base body, an installation cover is arranged below the base body, an installation shaft is connected to the upper end of the installation cover and is arranged on the lower surface of the base body, the walking wheel is arranged inside the installation cover, a connecting rod is arranged on the inner side of the walking wheel and is located inside the installation cover, a bevel gear is embedded in the inner end of the connecting rod, a transmission rod is connected above the bevel gear, a transmission gear is fixed to the upper end of the transmission rod, a transmission block is arranged on the outer side of the transmission gear and is arranged inside the base body, a driving block is arranged on the inner side of the transmission block, and a first motor is connected above the, the surface of installation cover inlays and has the connecting block, and the inboard of connecting block is provided with synchronous connecting plate to the top of synchronous connecting plate is connected with drive gear, drive gear is located the inside of base member, and drive gear's top is connected with the second motor.

Preferably, a controller is installed above the base body, a battery is arranged on the right side of the controller, and a signal receiver is arranged on the right side of the battery.

Preferably, the installation cover is provided with 4 altogether, and the installation cover constitutes revolution mechanic through installing between axle and the base member to the look up cross-section of installation cover is ring structural design, and the vertical center line of installation cover and the vertical center line of installation axle coincide simultaneously and set up.

Preferably, the walking wheel and the mounting cover are connected through a bearing, an integrated structure is formed between the walking wheel and the connecting rod, and the connecting rod and the transmission rod are perpendicular to each other.

Preferably, the connecting rod is connected with the transmission rod through a bevel gear, the transmission rod is connected with the mounting cover through a bearing, and the transmission rod and the transmission gear form an integrated structure.

Preferably, the transmission gear and the transmission block are in meshed connection, the transmission block and the driving block are in meshed connection, the overlooking section of the driving block and the overlooking section of the transmission block are both in circular structural design, and meanwhile, the vertical center line of the driving block and the vertical center line of the first motor are overlapped.

Preferably, the guide way has been seted up to the lower surface of driving block, and the upper surface of driving block is provided with the installation pole to the driving block constitutes revolution mechanic through between installation pole and the base member.

Preferably, the upward-looking cross section of the guide groove is in a circular ring structure design, the guide groove and the transmission rod are in sliding connection, and the vertical center lines of the guide groove, the transmission block and the installation shaft are overlapped.

Preferably, the connecting block and the synchronous connecting plate are in meshed connection, the main section of the upper end of the synchronous connecting plate is designed to be in an inverted L-shaped structure, the synchronous connecting plate and the base body form a rotating structure, and the synchronous connecting plate and the driving gear form meshed connection.

Compared with the prior art, the invention has the beneficial effects that: the pipeline outer surface flaw detection device for the ocean engineering, which can move along the pipeline;

(1) the device is provided with the connecting rod and the transmission rod, power can be transmitted to the connecting rod through the cooperation of the transmission rod and the bevel gear, the connecting rod can drive the traveling wheels to rotate, so that the device can travel along the surface of the pipeline, and can be stably adsorbed on the outer side of the pipeline under the action of the electromagnet, so that the device is prevented from falling off, is not influenced by a supporting part of the pipeline below, and can realize long-distance continuous detection;

(2) the transmission block and the driving block are arranged, the multiple groups of transmission blocks can synchronously rotate through the meshing of the transmission blocks of the driving block, and the transmission gears are matched to enable the multiple groups of transmission rods to synchronously rotate, so that the synchronous driving of the four groups of follow-up traveling wheels is realized, and the follow-up device can more stably travel on the surface of the pipeline;

(3) be provided with installation cover, connecting block and synchronous drive plate, the rotation of the synchronous drive plate of accessible drives the multiunit connecting block and carries out synchronous rotation to make the installation cover rotate, can drive the walking wheel in step and remove when the installation cover rotates, adjust the walking direction of walking wheel, thereby make eddy current sensor can detect pipeline surface's different positions, the adjustment is convenient, improves the detection efficiency of follow-up device and the whole flexibility of device.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic top-down view of a driving block according to the present invention;

FIG. 5 is a schematic bottom view of the transmission block of the present invention;

FIG. 6 is a schematic bottom view of the synchronous connecting plate of the present invention;

fig. 7 is a schematic top view of the driving gear of the present invention.

In the figure: 1. a substrate; 2. an eddy current sensor; 3. a controller; 4. a battery; 5. a signal receiver; 6. an electromagnet; 7. mounting a cover; 8. installing a shaft; 9. a traveling wheel; 10. a connecting rod; 11. a bevel gear; 12. a transmission rod; 13. a transmission gear; 14. a transmission block; 1401. a guide groove; 1402. mounting a rod; 15. a drive block; 16. a first motor; 17. connecting blocks; 18. a synchronous connecting plate; 19. a drive gear; 20. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a pipeline outer surface flaw detection device capable of walking along a pipeline for ocean engineering comprises a base body 1, an eddy current sensor 2, a controller 3, a battery 4, a signal receiver 5, an electromagnet 6, an installation cover 7, an installation shaft 8, walking wheels 9, a connecting rod 10, a bevel gear 11, a transmission rod 12, a transmission gear 13, a transmission block 14, a driving block 15, a first motor 16, a connecting block 17, a synchronous connecting plate 18, a driving gear 19 and a second motor 20, wherein the eddy current sensor 2 is arranged below the base body 1, the electromagnet 6 is arranged inside the base body 1, the installation cover 7 is arranged below the base body 1, the installation shaft 8 is connected to the upper end of the installation cover 7, the installation shaft 8 is arranged on the lower surface of the base body 1, the walking wheels 9 are arranged inside the installation cover 7, the connecting rod 10 is arranged on the inner side of the walking wheels 9, and the connecting rod 10 is, the inner end of the connecting rod 10 is inlaid with a bevel gear 11, a transmission rod 12 is connected above the bevel gear 11, a transmission gear 13 is fixed at the upper end of the transmission rod 12, a transmission block 14 is arranged on the outer side of the transmission gear 13, the transmission block 14 is arranged inside the base body 1, a driving block 15 is arranged on the inner side of the transmission block 14, a first motor 16 is connected above the driving block 15, a connecting block 17 is inlaid on the outer surface of the mounting cover 7, a synchronous connecting plate 18 is arranged on the inner side of the connecting block 17, a driving gear 19 is connected above the synchronous connecting plate 18, the driving gear 19 is located inside the base body 1, and a second motor 20 is connected above the driving gear 19;

the controller 3 is arranged above the base body 1, the battery 4 is arranged on the right side of the controller 3, the signal receiver 5 is arranged on the right side of the battery 4, the structural design can provide electric energy through the battery 4-position device, the battery can independently work, and the subsequent remote wireless control on the device can be realized by matching the signal receiver 5 and the controller 3;

the number of the mounting covers 7 is 4, a rotating structure is formed between the mounting shaft 8 and the base body 1 of each mounting cover 7, the upward-looking cross section of each mounting cover 7 is in a circular structural design, meanwhile, the vertical center line of each mounting cover 7 and the vertical center line of each mounting shaft 8 are arranged in a coincident mode, the structural design can provide a mounting surface for the travelling wheels 9 through the mounting covers 7, and the direction of the travelling wheels 9 can be controlled through the rotation of the mounting covers 7 subsequently, so that the position of the device can be adjusted subsequently;

the walking wheels 9 and the mounting cover 7 form bearing connection, the walking wheels 9 and the connecting rod 10 form an integrated structure, the connecting rod 10 and the transmission rod 12 are arranged vertically, and the structural design can provide power for the walking wheels 9 through the rotation of the subsequent connecting rod 10, so that the device can walk on the surface of a pipeline;

the connecting rod 10 is connected with a transmission rod 12 through a bevel gear 11, the transmission rod 12 is connected with the mounting cover 7 through a bearing, the transmission rod 12 and the transmission gear 13 form an integrated structure, the transmission gear 13 is connected with a transmission block 14 in a meshing manner, the transmission block 14 is connected with a driving block 15 in a meshing manner, the overlooking section of the driving block 15 and the overlooking section of the transmission block 14 are both in a circular structural design, meanwhile, the vertical central line of the driving block 15 is overlapped with the vertical central line of a first motor 16, the transmission block 14 can be driven to rotate through the rotation of the subsequent driving block 15, and the transmission rod 12 is driven to rotate through the rotation of the transmission block 14 in a rotating fit manner;

the lower surface of the transmission block 14 is provided with a guide groove 1401, the upper surface of the transmission block 14 is provided with an installation rod 1402, the transmission block 14 forms a rotating structure through the installation rod 1402 and the base body 1, and the structure design enables the subsequent transmission block 14 to be stably connected with the base body 1 under the action of the installation rod 1402, so that the stability of the subsequent transmission block 14 in the rotating process is ensured;

the upward-looking section of the guide groove 1401 is in a circular structural design, the guide groove 1401 and the transmission rod 12 are in sliding connection, vertical center lines of the guide groove 1401, the transmission block 14 and the mounting shaft 8 are overlapped, and the structural design enables the transmission rod 12 to drive the transmission gear 13 to move along the inner side of the transmission block 14 when the follow-up mounting cover 7 drives the travelling wheel 9 to rotate, so that power can still be transmitted after the position of the travelling wheel 9 is adjusted;

the connecting blocks 17 and the synchronous connecting plates 18 are in meshed connection, the main section of the upper end of each synchronous connecting plate 18 is in an inverted L-shaped structural design, a rotating structure is formed between each synchronous connecting plate 18 and the corresponding base body 1, and meanwhile, the synchronous connecting plates 18 and the driving gears 19 are in meshed connection, the structural design can drive the plurality of groups of connecting blocks 17 to synchronously rotate through the rotation of the subsequent synchronous connecting plates 18, so that the mounting cover 7 can drive the travelling wheels 9 to steer.

The working principle is as follows: when the pipeline outer surface flaw detection device capable of walking along the pipeline is used for ocean engineering, firstly, as shown in the figures 1 and 2, the device can be directly placed on the outer surface of the pipeline to be detected during use, the electromagnet 6 is started to generate magnetic force and suction force for the pipeline made of metal materials, so that the device is stably adsorbed on the surface of the pipeline to be detected, damage to the surface of the pipeline is detected through the eddy current sensor 2 during detection, the first motor 16 can be started during detection, the first motor 16 drives the driving block 15 to rotate by combining with the figures 3, 4 and 5, the driving block 15 drives the plurality of groups of driving blocks 14 to synchronously rotate by meshing with the driving block 14 while rotating, the driving block 14 drives the driving rod 12 to rotate by meshing with the transmission gear 13, and the driving rod 12 drives the connecting rod 10 to rotate through the bevel gear 11 during rotation, therefore, the walking wheels 9 rotate, and the four groups of walking wheels 9 can realize synchronous driving, so that the device can walk along the surface of the pipeline to perform continuous detection operation;

when the longitudinal position of the device on the pipeline needs to be adjusted, the adjustment can be realized by adjusting the walking direction of the walking wheels 9, as shown in fig. 6 and 7, the second motor 20 can be started to drive the synchronous connecting plate 18 to rotate through the driving gear 19, the synchronous connecting plate 18 drives the mounting cover 7 to rotate through the meshing with the connecting block 17 in the rotating process, the mounting cover 7 rotates through the mounting shaft 8 to adjust the direction of the walking wheels 9, meanwhile, the mounting cover 7 drives the transmission rod 12 and the transmission gear 13 to move along the inner side of the transmission block 14, so that the transmission block 14 can still transmit power through the transmission gear 13 and the transmission rod 12 after the walking wheels 9 are adjusted, the first motor 16 is started again to drive the walking wheels 9 to rotate after the adjustment is finished, and the device can move along the direction of the arc-shaped outer surface of the pipeline, the device is convenient to detect different positions of the surface of the pipeline, and the subsequent working efficiency and the overall flexibility of the device are improved.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.