CN219912226U - Movable pipeline internal inspection device - Google Patents

Abstract

The utility model relates to a movable pipeline internal inspection device, which comprises two working mechanisms, a steering mechanism and a control mechanism, wherein the steering mechanism is arranged between the two working mechanisms, the working mechanisms comprise a supporting seat, a driving assembly, an adjusting assembly and a detecting assembly, the driving assembly is arranged on the supporting seat and comprises a plurality of driving wheels for contacting with the inner wall of a pipeline, the adjusting assembly is arranged on the supporting seat and is connected with the driving assembly, the driving wheels can be adjusted to move in the radial direction of the pipeline, and the detecting assembly is arranged on the supporting seat; the steering mechanism comprises N first telescopic power cylinders, N is more than or equal to 2, two ends of each telescopic power cylinder are respectively hinged with supporting seats of two working mechanisms, the N first telescopic power cylinders are positioned at different positions in the circumferential direction of the pipeline, and when part of the first telescopic power cylinders stretch, the front supporting seat and the rear supporting seat can be driven to rotate relatively; the control mechanism is respectively in control connection with the steering mechanism, the driving assembly, the adjusting assembly and the detecting assembly.

Description

Movable pipeline internal inspection device

Technical Field

The utility model relates to the technical field of pipeline detection, in particular to a movable pipeline internal inspection device.

Background

Along with the continuous improvement of industrial automation, the scale of on-site industrial pipelines is gradually increased, the environment where a pipe network is located is complex and changeable, in industrial water supply pipeline engineering, the concealed or buried water supply pipeline which is qualified in installation often has leakage phenomena with different degrees caused by ageing, corrosion or other reasons of pipes in the construction process due to the fact that finished products are not protected in place or the pipes are delivered and used, and the inside of the pipeline needs to be inspected by using a damage inspection device.

The Chinese patent application No. CN202222057534.0 discloses a pipeline internal movement detection device, wherein a camera is used for shooting a specified position in a buried pipeline to detect, the circumference outer diameter formed by a plurality of universal wheels is matched with the inner diameter of the detected pipeline, deformation and damage possibly existing in the buried pipeline are detected through shooting data, the detection accuracy of the deformation and damage possibly existing in an aligned pipeline is improved, and the damaged part of the pipeline is accurately positioned. However, the device is difficult to turn inside the pipeline, is only suitable for straight pipelines, can only adapt to corresponding pipe diameters, and has lower adaptability in use.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model aims to provide a mobile device for inspecting the interior of a pipeline, which can actively turn in the pipeline and adapt to pipelines with different diameters, and has a wide application range.

In order to achieve the above object, the present utility model provides a mobile pipeline internal inspection device, configured to be disposed in a pipeline for inspection, and including two working mechanisms, a steering mechanism disposed between the two working mechanisms, and a control mechanism, where the working mechanisms include a supporting seat, a driving assembly, an adjusting assembly, and a detecting assembly, the driving assembly is mounted on the supporting seat, and includes a plurality of driving wheels for contacting an inner wall of the pipeline, and the driving wheels contact different positions of the inner wall of the pipeline in a circumferential direction to enable the working mechanisms to be stabilized in the pipeline, and the adjusting assembly is mounted on the supporting seat and connected with the driving assembly, and is capable of adjusting the driving wheels to move in a radial direction of the pipeline, and the detecting assembly is disposed on the supporting seat; the steering mechanism comprises N first telescopic power cylinders, N is more than or equal to 2, two ends of each telescopic power cylinder are respectively hinged with supporting seats of two working mechanisms, the N first telescopic power cylinders are positioned at different positions in the circumferential direction of the pipeline, and when part of the first telescopic power cylinders stretch, the front supporting seat and the rear supporting seat can be driven to rotate relatively; the control mechanism is respectively in control connection with the steering mechanism, the driving assembly, the adjusting assembly and the detecting assembly.

Further, when the working mechanism is installed in the pipeline, the N first telescopic power cylinders are uniformly distributed in the circumferential direction of the pipeline.

Further, a shell part is arranged on the supporting seat, and the control mechanism is arranged in the shell part.

Further, when the working mechanism is installed in the pipeline, the plurality of driving wheels of the driving assembly are uniformly distributed along the circumferential direction of the pipeline.

Further, the driving assembly comprises a connecting rod, and two ends of the connecting rod are respectively hinged with the supporting seat and the driving wheel; the adjusting component comprises a push rod, a sliding sleeve and a sliding driving part, the sliding sleeve is movably arranged on the supporting seat, the sliding driving part drives the sliding sleeve to reciprocate on the supporting seat, two ends of the push rod are respectively hinged with the driving wheel and the sliding sleeve, and the push rod is hinged on each driving wheel.

Further, a positioning block is fixedly arranged on the supporting seat, and the connecting rod is hinged to the positioning block.

Further, the sliding driving part comprises a second telescopic power cylinder arranged on the supporting seat, and a piston rod of the second telescopic power cylinder is connected with the sliding sleeve.

Further, the driving wheel is a crawler wheel.

Further, the adjustment assembly further comprises an elastic structure capable of providing an elastic force to the drive wheel towards the inner wall of the pipe.

Further, the detection assembly comprises an imaging part for shooting and a sound wave radar part for detecting sound wave radar, and the sound wave radar part and the imaging part are in communication connection with the control mechanism.

As described above, the mobile pipeline internal inspection device according to the present utility model has the following advantageous effects:

through setting up two operating mechanism, steering mechanism and control mechanism, during the use, place in the pipeline, operating mechanism's a plurality of drive wheels support and lean on pipeline inner wall circumference different positions department to stabilize operating mechanism in the pipeline, can adjust the drive wheel in pipeline radial direction's position through adjusting component, thereby make it can adapt to the pipeline of different pipe diameters. When the steering is needed, the control mechanism controls part of the first telescopic power cylinder in the steering mechanism to perform telescopic motion, so that the included angle between the supporting seats of the two working mechanisms is transmitted and changed, and the working mechanism at the front side is enabled to realize steering and enter the pipeline at the other direction. After the front working mechanism turns to finish entering the pipeline, the front working mechanism moves forwards, the rear working mechanism deflects relative to the front working mechanism at the fork according to actual conditions, and finally, the two working mechanisms enter the pipeline in the other direction. The movable pipeline internal inspection device can actively turn in the pipeline, can be suitable for pipelines with different pipe diameters, and has a wide application range.

Drawings

Fig. 1 is a schematic structural view of a mobile pipeline internal inspection device according to the present utility model.

Fig. 2 is a side view of the mobile pipeline interior inspection device of the present utility model.

Fig. 3 is a schematic structural view of the working mechanism in the present utility model.

Fig. 4 is an exploded view of the working mechanism in the present utility model.

Description of the reference numerals

1. Supporting seat

11. Center support tube

12. Housing part

13. Hinge seat

14. Positioning block

2. Driving assembly

21. Driving wheel

22. Connecting rod

3. Adjusting assembly

31. Ejector rod

311. Spring section

32. Sliding sleeve

33. Second telescopic power cylinder

4. Image pickup unit

41. Image pickup host

42. Camera head

5. Acoustic wave Lei Dabu

51. Acoustic wave instrument

52. Connecting wire

53. Mounting sleeve

6. First telescopic power cylinder

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the utility model, and the relative changes or modifications are not to be construed as essential to the scope of the utility model.

Referring to fig. 1 to 4, the utility model provides a movable pipeline internal inspection device, which is used for being arranged in a pipeline for inspection, and comprises two working mechanisms, a steering mechanism and a control mechanism, wherein the steering mechanism is arranged between the two working mechanisms, the working mechanisms comprise a supporting seat 1, a driving component 2, an adjusting component 3 and a detecting component, the driving component 2 is arranged on the supporting seat 1 and comprises a plurality of driving wheels 21 used for being in contact with the inner wall of the pipeline, the driving wheels 21 are in contact with the inner wall of the pipeline at different positions along the circumferential direction, the working mechanisms are stabilized in the pipeline, the adjusting component 3 is arranged on the supporting seat 1 and connected with the driving component 2, the driving wheels 21 can be adjusted to move along the radial direction of the pipeline, and the detecting component is arranged on the supporting seat 1; the steering mechanism comprises N first telescopic power cylinders 6, N is more than or equal to 2, two ends of each telescopic power cylinder are respectively hinged with the supporting seats 1 of the two working mechanisms, the N first telescopic power cylinders 6 are positioned at different positions in the circumferential direction of the pipeline, and part of the first telescopic power cylinders 6 can drive the two supporting seats 1 to rotate relatively when telescopic; the control mechanism is respectively connected with the steering mechanism, the driving assembly 2, the adjusting assembly 3 and the detecting assembly in a control way.

When the movable pipeline internal inspection device is used, the movable pipeline internal inspection device is placed in a pipeline, and when a working mechanism is installed in the pipeline, a plurality of driving wheels 21 are abutted against different positions on the circumference of the inner wall of the pipeline, so that the working mechanism is stabilized in the pipeline, and the position of the driving wheels 21 in the radial direction of the pipeline can be adjusted by controlling the action of an adjusting component 3 through a control mechanism, so that the movable pipeline internal inspection device can be suitable for pipelines with different pipe diameters. The two working mechanisms are arranged in the pipeline in tandem, and when the two working mechanisms are arranged in the straight pipeline, the included angle between the two working mechanisms is zero. The driving wheels 21 of the two working mechanisms are controlled by the control mechanism to move on the inner wall of the pipeline, so that the movable pipeline internal inspection device is driven to integrally move in the pipeline, and the corresponding detection function is realized by the detection assembly. When the steering is needed, particularly when the steering is carried out at the intersection of two pipelines, the rear working mechanism is still in the pipeline, the front working mechanism is at the fork, and the control mechanism controls part of the first telescopic power cylinders 6 in the steering mechanism to make the included angle between the supporting seats 1 of the two working mechanisms transmit and change, so that the front working mechanism realizes the steering and enters the pipeline in the other direction, for example, when the movable pipeline internal inspection device needs to steer to the left, the first telescopic power on the left side can be controlled to shrink or the first telescopic power on the right side can be controlled to shrink and stretch, and the supporting seat 1 of the front working mechanism can be driven to deflect to the left side and enter the pipeline in the other direction. After the front working mechanism turns to finish entering the pipeline, the front working mechanism moves forwards, the rear working mechanism deflects relative to the front working mechanism at the fork according to actual conditions, and finally the two working mechanisms enter the pipeline in the other direction. The movable pipeline internal inspection device can actively turn in the pipeline, can be suitable for pipelines with different pipe diameters, and has a wide application range.

Referring to fig. 1 to 4, the present utility model is further described in the following by way of an embodiment:

in the present embodiment, referring to fig. 1 and 2, as a preferred design, when the working mechanism is installed in the pipeline, the N first telescopic power cylinders 6 are uniformly arranged in the pipeline circumferential direction, wherein the number of the first telescopic power cylinders 6 can be selected as required, preferably three or more, in the present embodiment, the number is 3, when one of the first telescopic power cylinders 6 is contracted, steering can be performed, and steering in a plurality of directions can be achieved through the three first telescopic power cylinders 6. When N is 2, only two steering directions are performed.

In this embodiment, referring to fig. 3 and 4, as a preferred design, the support base 1 includes a central support tube 11, and the tail end of the central support tube 11 is used for connecting a steering mechanism, and the head end is provided with a detection assembly. The supporting seat 1 is fixedly arranged on the shell part 12 at the tail end of the central supporting tube 11, related elements of the control mechanism are arranged in the shell part 12 to play a role in protection, corresponding control mechanisms can be arranged in the two working mechanisms to control the operation of the driving component 2, the adjusting component 3 and the detecting component in the mechanism, and the control mechanism in one working mechanism can be selected to drive the steering mechanism to operate. Furthermore, hinge seats 13 are provided on the housing portion 12, the first telescopic power cylinders 6 are hinged on the hinge seats 13, and the corresponding hinge seats 13 of the respective first telescopic power cylinders 6 are uniformly arranged in the circumferential direction of the central support tube 11. In the case of straight-line pipes, the central support pipes 11 of the two operating mechanisms are coaxial, lie on the same line and preferably lie on the central axis of the pipe (in the case of straight pipes), i.e. the plurality of drive wheels 21 are always on the same circle and thus well supported on the inner wall of the pipe. When steering is performed, the two central support pipes 11 rotate relatively, are not coaxial, and the included angle between the two central support pipes is changed.

Referring to fig. 3 and 4, in a preferred design, the plurality of driving wheels 21 of the driving assembly 2 are uniformly distributed along the circumference of the central support tube 11 in the working mechanism, that is, uniformly distributed along the circumference of the tube when installed in the tube, so that the installation and running are more stable and reliable. The driving assembly 2 includes a connection rod 22, both ends of which are hinged to the support base 1 and the driving wheel 21, respectively, so that the driving wheel 21 is movably mounted on the support base 1. The adjusting component 3 comprises a push rod 31, a sliding sleeve 32 and a sliding driving part, wherein the sliding sleeve 32 is movably arranged on a central supporting tube 11 of the supporting seat 1 and can slide along the central supporting tube 11, the sliding driving part drives the sliding sleeve 32 to reciprocate back and forth on the central supporting tube 11, the sliding driving part comprises a plurality of second telescopic power cylinders 33 arranged on the supporting seat 1 and particularly can be arranged on the shell part 12, a piston rod of each second telescopic power cylinder 33 is connected with the sliding sleeve 32, two ends of the push rod 31 are respectively hinged with the driving wheel 21 and the sliding sleeve 32, each driving wheel 21 is hinged with the push rod 31, and the push rod 31 and the connecting rod 22 are in a cross shape. Further, referring to fig. 3 and 4, the support base 1 includes a plurality of positioning blocks 14 fixed on the central support tube 11, the positioning blocks 14 are provided, four connection rods 22 are connected to each driving wheel 21, inner ends of the four connection rods 22 are hinged to the positioning blocks 14, and installation stability of the driving wheels 21 is determined by the four connection rods 22. When the positions of the driving wheels 21 need to be adjusted, all the second telescopic power cylinders 33 synchronously telescopic to drive the sliding sleeve 32 to slide, the sliding sleeve 32 synchronously drives all the driving wheels 21 to move in the radial direction of the pipeline through the ejector rods 31, and meanwhile, the connecting rod 22 swings. The position of the sliding sleeve 32 is fixed by the second telescopic power cylinder 33, and when the position of the sliding sleeve 32 is fixed, the ejector rod 31 and the connecting rod 22 jointly support and fix the position of the driving wheel 21.

In this embodiment, referring to fig. 3 and 4, as a preferred design, the driving wheel 21 adopts a track wheel, and the track wheel contacts with the inner wall of the pipeline through the track thereon and drives the track to move through the driving part thereof to realize the running on the inner wall of the pipeline, so that the track wheel can well contact with the inner wall of the pipeline, is supported stably, and can promote the stability during running, wherein the structure and principle of the track wheel are existing, and therefore, the details are not described. Of course, a circular rolling wheel may be used for the driving wheel 21.

In this embodiment, referring to fig. 3 and 4, the adjusting assembly 3 further includes an elastic structure capable of providing an elastic force toward the inner wall of the pipe to the driving wheel 21, specifically, the jack 31 is an elastic telescopic rod, wherein the elastic structure has a spring section 311, the spring section 311 is capable of providing an elastic force, when the working mechanism is installed in the pipe, the spring section 311 is compressed, and the jack 31 applies an elastic force to the driving wheel 21, and the elastic force is capable of pressing the driving wheel 21 against the inner wall and playing a role of buffering protection.

In the present embodiment, the first telescopic power cylinder 6 and the second telescopic power cylinder 33 are preferably electric cylinders, and are electrically driven, so that the structure is simple and the use is more convenient. Of course, in other embodiments, air cylinders, hydraulic cylinders may be employed.

In this embodiment, referring to fig. 1, as a preferred design, the detection assembly includes an imaging part 4 for photographing and a sodar part 5 for sodar inspection, and both the sodar part 5 and the imaging part 4 are in communication with the control mechanism, so that the device can realize the function of multiple inspections. The camera 4 includes a camera host 41 and a camera 42 located on the camera host 41, and the camera 4 is mounted at the head end of the central support tube 11, so that both the front and rear ends of the mobile pipeline internal inspection device have an image capturing function, the pipeline interior is inspected by the image capturing, and the image data captured by the camera 42 is processed by the camera host 41 and transmitted to the control mechanism. The acoustic radar section 5 includes a mounting sleeve 53 fixedly mounted on the center support pipe 11, two connection lines 52 mounted on the mounting sleeve 53, and an acoustic wave meter 51 mounted at an end portion of the connection lines 52, the acoustic wave meter 51 being connected by the connection lines 52, the acoustic wave meter 51 being capable of performing acoustic radar inspection in a pipe and transmitting detection data to a control mechanism. The detection principle of the imaging section 4 and the acoustic radar section 5 is known, and therefore will not be described in detail. Of course, the detection component may be an instrument with other detection functions.

In this embodiment, referring to fig. 1, as a preferred design, the control mechanism has a wireless communication module, and can perform wireless communication with a remote controller outside the pipeline, so as to transmit data and receive control instructions, thereby realizing remote control and being more convenient to use.

From the above, the mobile pipeline internal inspection device of the utility model has the following technical effects:

1. through setting up steering assembly, through the first flexible power jar 6 of wherein part for can carry out the angle modulation between two operating mechanism, make the device can be in the pipeline, especially intersection department, initiative turn, improve the device and when using the variety, adapt to crisscross pipeline, the adaptation is wide.

2. The sliding sleeve 32 is driven by the second telescopic power cylinder 33 to drive the crawler wheel to displace radially, and the position of the crawler wheel is adjusted, so that the crawler wheel can be better contacted with the inner wall of the pipeline, and the stability and convenience of the device during displacement are improved.

3. The inside condition of pipeline is checked by making a video recording through camera 42, carries out the sound wave through the sound wave appearance 51 simultaneously and detects for the function of various inspections can be realized to the device.

In summary, the present utility model effectively overcomes the disadvantages of the prior art and has high industrial utility value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. The utility model provides a portable pipeline inside inspection device for set up and inspect in the pipeline, its characterized in that: the device comprises two working mechanisms, a steering mechanism and a control mechanism, wherein the steering mechanism is arranged between the two working mechanisms, the working mechanisms comprise a supporting seat (1), a driving assembly (2), an adjusting assembly (3) and a detection assembly, the driving assembly (2) is arranged on the supporting seat (1) and comprises a plurality of driving wheels (21) which are used for being in contact with the inner wall of a pipeline, the driving wheels (21) are in contact with the inner wall of the pipeline at different positions along the circumferential direction, so that the working mechanisms are stabilized in the pipeline, the adjusting assembly (3) is arranged on the supporting seat (1) and connected with the driving assembly (2) and can adjust the driving wheels (21) to move in the radial direction of the pipeline, and the detection assembly is arranged on the supporting seat (1); the steering mechanism comprises N first telescopic power cylinders (6), N is more than or equal to 2, two ends of each telescopic power cylinder are respectively hinged with supporting seats (1) of two working mechanisms, the N first telescopic power cylinders (6) are positioned at different positions in the circumferential direction of a pipeline, and when part of the first telescopic power cylinders (6) are telescopic, the front supporting seat and the rear supporting seat (1) can be driven to rotate relatively; the control mechanism is respectively in control connection with the steering mechanism, the driving assembly (2), the adjusting assembly (3) and the detecting assembly.

2. The mobile pipeline interior inspection device of claim 1, wherein: when the working mechanism is installed in the pipeline, N first telescopic power cylinders (6) are uniformly distributed in the circumferential direction of the pipeline.

3. The mobile pipeline interior inspection device of claim 1, wherein: the support seat (1) is provided with a shell part (12), and the control mechanism is arranged in the shell part (12).

4. The mobile pipeline interior inspection device of claim 1, wherein: when the working mechanism is installed in the pipeline, a plurality of driving wheels (21) of the driving assembly (2) are uniformly distributed along the circumferential direction of the pipeline.

5. The mobile pipeline interior inspection device of claim 1, wherein: the driving assembly (2) comprises a connecting rod (22), and two ends of the connecting rod (22) are respectively hinged with the supporting seat (1) and the driving wheel (21); the adjusting component (3) comprises an ejector rod (31), a sliding sleeve (32) and a sliding driving part, the sliding sleeve (32) is movably arranged on the supporting seat (1), the sliding driving part drives the sliding sleeve (32) to reciprocate on the supporting seat (1), two ends of the ejector rod (31) are respectively hinged with the driving wheels (21) and the sliding sleeve (32), and each driving wheel (21) is hinged with the ejector rod (31).

6. The mobile pipeline interior inspection device of claim 5, wherein: the supporting seat (1) is internally provided with a positioning block (14), and the connecting rod (22) is hinged on the positioning block (14).

7. The mobile pipeline interior inspection device of claim 5, wherein: the sliding driving part comprises a second telescopic power cylinder (33) arranged on the supporting seat (1), and a piston rod of the second telescopic power cylinder (33) is connected with the sliding sleeve (32).

8. The mobile pipeline interior inspection device of claim 1, wherein: the driving wheel (21) is a crawler wheel.

9. The mobile pipeline interior inspection device of claim 1, wherein: the adjustment assembly further comprises an elastic structure capable of providing the drive wheel (21) with an elastic force towards the inner wall of the pipe.

10. The mobile pipeline interior inspection device of claim 1, wherein: the detection assembly comprises an imaging part (4) for shooting and a sound wave radar part (5) for detecting sound wave radar, wherein the sound wave radar part (5) and the imaging part (4) are in communication connection with a control mechanism.