CN111390667A

CN111390667A - Pipeline cleaning device

Info

Publication number: CN111390667A
Application number: CN202010211646.XA
Authority: CN
Inventors: 吴元文; 刘罡; 崔进福; 覃婷; 龙辉; 李飞; 李珀斯; 卢莜莜; 李博; 卿泽阳
Original assignee: Sichuan Shengteng Yuanchuang Dynamo Electric Technology Research Co ltd
Current assignee: Sichuan Shengteng Yuanchuang Dynamo Electric Technology Research Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-07-10

Abstract

The invention provides a pipeline cleaning device, and aims to solve the technical problems of low efficiency and high labor intensity in the prior art of cleaning the inner wall of a pipeline. The pipeline cleaning device comprises a grinding wheel head, a slag collector and a traveling driving unit; the grinding wheel head is driven by the first motor to grind the inner wall of the pipeline; the slag collector is arranged at the tail end of the grinding wheel head and used for collecting the ground scraps; the walking driving unit is fixedly connected with the first motor and the slag collector respectively; the walking driving unit comprises a walking mechanism and a telescopic supporting mechanism; the walking mechanism is matched with a power source and drives the walking driving unit to walk along the inner wall of the pipeline under the driving of the power source; the walking driving unit realizes the fixation and release on the inner wall of the pipeline through the extension and retraction of the supporting mechanism. According to the invention, the inner wall of the pipeline is not required to be cleaned manually, and the inner wall of the pipeline can be quickly polished only by operating the cleaning device, so that the cleaning efficiency is improved, and the labor intensity of cleaning personnel is reduced.

Description

Pipeline cleaning device

Technical Field

The invention relates to the technical field of pipeline maintenance equipment, in particular to a pipeline cleaning device.

Background

When the pipeline in a special industry is used, the requirement on the inner wall of the pipeline is high, the inner wall of the pipeline needs to keep certain cleanliness, and corrosion and foreign matters cannot occur. Therefore, the inner wall of the pipe needs to be cleaned periodically. The pipeline is long in length and small in caliber, so that the difficulty of pipeline cleaning work is high, and the efficiency is low; in the prior art, pipelines are mostly cleaned manually, and a large amount of time, manpower and material resources are consumed for cleaning the pipelines each time; the pipeline needs to be cleaned frequently, which further increases the labor intensity of cleaning personnel. Therefore, there is a need to develop a pipe cleaning device that can improve cleaning efficiency and reduce labor intensity.

Disclosure of Invention

The invention aims to provide a pipeline cleaning device which can improve cleaning efficiency and reduce labor intensity of cleaning personnel.

In order to achieve the purpose, the invention adopts the technical scheme that:

a pipe cleaning apparatus comprising:

the grinding wheel head is driven by the first motor to grind the inner wall of the pipeline;

the slag collector is arranged at the tail end of the grinding wheel head and used for collecting the ground scraps;

the traveling driving unit is fixedly connected with the first motor and the slag collector respectively; the walking driving unit comprises a walking mechanism and a telescopic supporting mechanism;

the walking mechanism is suitable for being provided with a power source and drives the walking driving unit to walk along the inner wall of the pipeline under the driving of the power source; the walking driving unit realizes the fixation and release on the inner wall of the pipeline through the extension and retraction of the supporting mechanism.

Preferably, the traveling mechanism comprises a first frame and a second frame, the second frame is provided with a lead screw driven by a second motor, the first frame is fixedly connected with a lead screw nut of the lead screw, and the first frame and the second frame are provided with limiting mechanisms for preventing the first frame and the second frame from rotating relatively; the first frame and the second frame are respectively provided with a supporting mechanism.

Preferably, the supporting mechanism comprises an air bag and an air pump connected with the air bag, and the air bag is arranged on the peripheral side of the corresponding first frame or second frame.

Preferably, the walking driving unit is positioned at the tail end of the slag collector, and the slag collector is provided with a through hole for the rotating shaft of the first motor to pass through.

Preferably, the grinding wheel head comprises a grinding wheel frame and a grinding wheel block, a plurality of grooves for accommodating the grinding wheel block are formed in the periphery of the grinding wheel frame, compression springs are arranged at the bottoms of the grooves, and the grinding wheel block is tightly attached to the inner wall of the pipeline under the support of the compression springs.

Preferably, the tail of the slag collector is provided with felt contacting with the inner wall of the pipeline along the circumferential surface, the circumferential surface of the slag collector is provided with a plurality of separating edges extending along the axial direction, and the space between the adjacent separating edges forms a slag collecting groove.

Preferably, the slag collector is provided with an electromagnet.

Preferably, a plurality of wheel carriers for mounting the travelling wheels are arranged on the periphery of the travelling driving unit, and spring pieces are mounted between the travelling wheels and the corresponding wheel carriers.

Preferably, the tail end of the walking driving unit is provided with a cleaning cloth wheel.

Preferably, the pipeline cleaning device further comprises a safety rope, wherein the safety rope is connected with the walking driving unit and used for being pulled out by the device when the device fails inside the pipeline and cannot walk by itself.

The working principle of the invention is as follows: the traveling driving unit can be fixed on the inner wall of the pipeline through the extending supporting mechanism, and the grinding wheel head can grind the inner wall of the pipeline under the driving of the first motor; after the inner wall of the section of pipeline is polished, the supporting mechanism of the walking driving unit is retracted, the walking mechanism can drive the grinding wheel head, the slag collector and the walking driving unit to move along the inner wall of the pipeline under the driving of the power source, and in the moving process, the chips polished by the slag collector are collected; after the pipeline is moved for a certain distance, the walking driving unit can be fixed on the inner wall of the pipeline again through the stretching supporting mechanism, and the grinding wheel head is driven by the first motor to continuously grind the inner wall of the pipeline; the cleaning of the inner wall of the pipeline can be finished by repeating the steps.

Therefore, the beneficial effects of the invention are as follows: need not artifical manual to clear up the pipeline inner wall, only need can accomplish polishing to the pipeline inner wall fast through controlling pipeline cleaning device, improved clean efficiency, reduce clearance personnel's intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is an enlarged view of portion C of FIG. 3;

FIG. 6 is an enlarged view of portion D of FIG. 3;

reference numerals: 1. a grinding wheel head; 2. a first motor; 3. a slag collector; 4. a travel drive unit; 5. a traveling mechanism; 6. a support mechanism; 7. a first frame; 8. a second frame; 9. a second motor; 10. a lead screw; 11. a feed screw nut; 12. an air bag; 13. a grinding carriage; 14. a grinding wheel block; 15. a compression spring; 16. felt; 17. a slag collecting groove; 18. an electromagnet; 19. a traveling wheel; 20. cleaning cloth wheels.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 6.

An embodiment of the present invention provides a pipe cleaning device, including:

and the grinding wheel head 1 is driven by the first motor 2 to grind the inner wall of the pipeline.

And the slag collector 3 is arranged at the tail end of the grinding wheel head 1 and is used for collecting the ground chips. It will be appreciated that in the present invention, the pipe cleaning apparatus is headed at one end and trailing at the other end in the direction of travel of the pipe cleaning apparatus.

The traveling driving unit 4 is fixedly connected with the first motor 2 and the slag collector 3 respectively; the walking drive unit 4 comprises a walking mechanism 5 and a telescopic supporting mechanism 6. It should be understood that the walking drive unit 4 can be fixed on the inner wall of the pipeline through the extending support mechanism 6, and the grinding wheel head 1 is driven by the first motor 2 to grind the inner wall of the pipeline; after retracting the support mechanism 6, the traveling drive unit 4 can travel along the inner wall of the pipeline by the traveling mechanism 5.

The walking mechanism 5 is provided with a power source and drives the walking driving unit 4 to walk along the inner wall of the pipeline under the driving of the power source; the walking driving unit 4 realizes the fixation and release on the inner wall of the pipeline through the extension and retraction of the supporting mechanism 6. It should be understood that an interface for plugging an electric wire may be provided on the travel driving unit 4, and the external control device may supply power, send instructions, and receive information to the first motor 2 and the travel driving unit 4 through the electric wire; after the cleaning of the inner wall of the pipeline is finished, the pipeline cleaning device can be returned and taken out along the original path; the wire can also be pulled off, the pipeline cleaning device removed, and the wire pulled back along the original path and taken out. Further, the first motor 2 and the travel driving unit 4 may be controlled by wireless communication by integrating a wireless communication module and a battery into the travel driving unit 4.

The embodiment of the invention is explained below, the walking drive unit 4 can be fixed on the inner wall of the pipeline through the extending support mechanism 6, and the grinding wheel head 1 can grind the inner wall of the pipeline under the drive of the first motor 2; after the inner wall of the section of pipeline is polished, the supporting mechanism 6 of the walking driving unit 4 is retracted, the walking mechanism 5 can drive the grinding wheel head 1, the slag collector 3 and the walking driving unit 4 to move along the inner wall of the pipeline under the driving of a power source, and the ground chips of the slag collector 3 are collected in the moving process; after the pipeline is moved for a certain distance, the walking drive unit 4 can be fixed on the inner wall of the pipeline again through the stretching support mechanism 6, and the grinding wheel head 1 is driven by the first motor 2 to continuously grind the inner wall of the pipeline; the cleaning of the inner wall of the pipeline can be finished by repeating the steps. According to the pipeline inner wall polishing device, the inner wall of the pipeline does not need to be cleaned manually, and can be polished quickly only by operating the pipeline cleaning device, so that the cleaning efficiency is improved, and the labor intensity of cleaning personnel is reduced.

As a further refinement of the invention, the travelling mechanism 5 comprises a first frame 7 and a second frame 8, the second frame 8 being provided with a lead screw 10 driven by a second motor 9, it being understood that the second frame 8 may also be provided with a bearing and be rotationally connected to the drive shaft of the second motor 9 via the bearing. The first frame 7 is fixedly connected with a screw rod nut 11 of a screw rod 10, and the first frame 7 and the second frame 8 are provided with limiting mechanisms for preventing the first frame 7 and the second frame from rotating relatively; the first frame 7 and the second frame 8 are respectively matched with a supporting mechanism 6. It should be understood that the limiting mechanism may be a rod extending in the axial direction of the pipeline and arranged on the first frame 7, and a through hole matched with the rod and arranged on the second frame 8; or a rod which is arranged on the second frame 8 and extends along the axial direction of the pipeline, and a through hole which is arranged on the first frame 7 and is matched with the rod; or other structure that resists rotation of the first housing 7 relative to the second housing 8 and allows the first housing 7 to move axially along the duct toward or away from the second housing 8. The second motor 9 is the power source of the running gear 5. The pipeline cleaning device can walk on the inner wall of the pipeline through the following steps: retracting the supporting mechanism 6 of the first frame 7, extending the supporting mechanism 6 of the second frame 8 and fixing the second frame 8 on the inner wall of the pipeline; then, a screw rod 10 is driven by a second motor 9 to rotate forwards, so that the first rack 7 is far away from the second rack 8 along with a screw rod nut 11; then retracting the supporting mechanism 6 of the second frame 8, extending the supporting mechanism 6 of the first frame 7 and fixing the first frame 7 on the inner wall of the pipeline; finally, a second motor 9 drives a screw rod 10 to rotate reversely, so that the second rack 8 approaches to the first rack 7 along with the screw rod 10; the pipeline cleaning device can move towards the first machine frame 7 along the inner wall of the pipeline by repeating the steps; and vice versa; therefore, the pipeline cleaning device can walk on the inner wall of the pipeline. Furthermore, the running gear 5 can also be provided as a roller driven by a motor.

Further, the support mechanism 6 includes an air bag 12 and an air pump connected to the air bag 12, and the air bag 12 is disposed on the peripheral side of the corresponding first frame 7 or second frame 8. It should be understood that at least one air pump is respectively installed on the first frame 7 and the second frame 8, the air pump of the first frame 7 is used for inflating and deflating the air bag 12 of the first frame 7, and the air pump of the second frame 8 is used for inflating and deflating the air bag 12 of the second frame 8; the corresponding first frame 7 or second frame 8 can be fixed on the inner wall of the pipeline through the extrusion of the air bag 12 by inflating the air bag 12; by deflating the air bag 12, the fixation of the corresponding first frame 7 or second frame 8 can be released. The first frame 7 and the second frame 8 are respectively provided with a baffle plate which limits the air bag 12 at the inner side of the air bag 12. In addition, the supporting mechanism 6 can also be provided as a pressure bar or a pressure block which is driven by a cylinder and stretches out and draws back along the radial direction of the pipeline, or a pressure bar or a pressure block which is driven by a hydraulic cylinder and stretches out and draws back along the radial direction of the pipeline, or a pressure bar or a pressure block which is driven by a linear motor and stretches out and draws back along the radial direction of the pipeline; in contrast, the air bag 12 is preferably used to fix the first mechanism and the second mechanism on the inner wall of the pipeline, so that the contact surface is larger, the supporting and fixing effect is better, and the flexible support is adopted, so that the deformation of the pipeline caused by the jacking pressure on the inner wall can be effectively avoided.

Further, the walking driving unit 4 is located at the tail end of the slag collector 3, and the slag collector 3 is provided with a through hole for the rotating shaft of the first motor 2 to pass through. It should be understood that the grinding wheel head 1, the slag collector 3 and the walking drive unit 4 are arranged in sequence from front to back, and the walking drive unit 4 walks on the inner wall of the cleaned pipeline, so that the supporting mechanism 6 of the walking drive unit 4 can be supported and fixed on the inner wall of the pipeline more stably.

Further, the grinding wheel head 1 comprises a grinding wheel frame 13 and a grinding wheel block 14, a plurality of grooves for accommodating the grinding wheel block 14 are formed in the peripheral side of the grinding wheel frame 13, compression springs 15 are arranged at the bottoms of the grooves, and the grinding wheel block 14 is tightly attached to the inner wall of the pipeline under the support of the compression springs 15. It should be understood that the two ends of the compression spring 15 can be respectively connected with the grinding wheel block 14 and the grinding carriage 13, so as to complete the installation of the grinding wheel block 14; the grinding wheel unit may be of a split type structure, in which the compression spring 15 and the grinding wheel block 14 are directly and sequentially placed in the groove of the grinding wheel holder 13, and the grinding wheel block 14 is mounted in the groove of the grinding wheel holder 13 by pressing the inner wall of the pipe. In addition, a hole groove which limits the compression spring 15 and prevents the compression spring 15 from being inclined can be arranged at the bottom of the groove. The grinding wheel head 1 grinds the inner wall of the pipeline through the grinding wheel block 14.

Furthermore, the tail of the slag collector 3 is provided with a felt 16 contacting with the inner wall of the pipeline along the circumferential surface, the circumferential surface of the slag collector 3 is provided with a plurality of separating edges extending along the axial direction, and the space between the adjacent separating edges forms a slag collecting groove 17. It should be understood that the felt 16 can push the waste on the inner wall of the pipe, so that the waste is collected in the slag collecting groove 17.

Further, the slag collector 3 is provided with an electromagnet 18. It should be understood that the electromagnet 18 is arranged on the slag collector 3, so that scrap iron on the inner wall of the pipeline can be better adsorbed, and the working pressure of the felt 16 is reduced.

Furthermore, a plurality of wheel carriers for mounting the traveling wheels 19 are arranged on the periphery of the traveling drive unit 4, and spring pieces are mounted between the traveling wheels 19 and the corresponding wheel carriers. It should be understood that the road wheels 19 are in floating connection with the wheel carrier member, and the road wheels 19 can slide relative to the wheel carrier member, so that the adaptability of the road wheels 19 is enhanced.

Further, the tail end of the walking drive unit 4 is provided with a cleaning cloth wheel 20. It should be understood that the cleaning cloth wheel 20 can perform secondary cleaning on the inner wall of the pipeline.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes or modifications may be made to these embodiments without departing from the principles and spirit of the invention, and that such changes and modifications are within the scope of the invention.

Claims

1. A pipe cleaning device, characterized in that: the method comprises the following steps:

the grinding wheel head (1) is driven by the first motor (2) to grind the inner wall of the pipeline;

the slag collector (3) is arranged at the tail end of the grinding wheel head (1) and is used for collecting the grinded chips;

the traveling driving unit (4) is fixedly connected with the first motor (2) and the slag collector (3) respectively; the walking drive unit (4) comprises a walking mechanism (5) and a telescopic supporting mechanism (6);

the walking mechanism (5) is matched with a power source and drives the walking driving unit (4) to walk along the inner wall of the pipeline under the driving of the power source; the walking driving unit (4) realizes the fixation and release on the inner wall of the pipeline through the extension and retraction of the supporting mechanism (6).

2. The pipe cleaning apparatus of claim 1, wherein: the travelling mechanism (5) comprises a first rack (7) and a second rack (8), the second rack (8) is provided with a lead screw (10) driven by a second motor (9), the first rack (7) is fixedly connected with a lead screw nut (11) of the lead screw (10), and the first rack (7) and the second rack (8) are provided with limiting mechanisms for preventing the first rack and the second rack from rotating relatively; the first frame (7) and the second frame (8) are respectively provided with a supporting mechanism (6).

3. The pipe cleaning apparatus of claim 2, wherein: the supporting mechanism (6) comprises an air bag (12) and an air pump connected with the air bag (12), and the air bag (12) is arranged on the peripheral side of the corresponding first frame (7) or second frame (8).

4. The pipe cleaning apparatus of claim 3, wherein: the walking driving unit (4) is positioned at the tail end of the slag collector (3), and the slag collector (3) is provided with a through hole for the rotating shaft of the first motor (2) to pass through.

5. The pipe cleaning apparatus according to any one of claims 1 to 4, wherein: the grinding wheel head (1) comprises a grinding wheel frame (13) and grinding wheel blocks (14), a plurality of grooves used for containing the grinding wheel blocks (14) are formed in the peripheral sides of the grinding wheel frame (13), compression springs (15) are arranged at the bottoms of the grooves, and the grinding wheel blocks (14) are tightly attached to the inner wall of the pipeline under the support of the compression springs (15).

6. The pipe cleaning apparatus according to any one of claims 1 to 4, wherein: the tail of the slag collector (3) is provided with felt (16) contacting with the inner wall of the pipeline along the circumferential surface, the circumferential surface of the slag collector (3) is provided with a plurality of separation edges extending along the axial direction, and the space between the adjacent separation edges forms a slag collecting groove (17).

7. The pipe cleaning apparatus of claim 6, wherein: the slag collector (3) is provided with an electromagnet (18).

8. The pipe cleaning apparatus according to any one of claims 1 to 4, wherein: the side of walking drive unit (4) is equipped with a plurality of wheel carriers that are used for installing walking wheel (19), install the spring leaf between walking wheel (19) and the corresponding wheel carrier.

9. The pipe cleaning apparatus of claim 4, wherein: the tail end of the walking drive unit (4) is provided with a cleaning cloth wheel (20).

10. The pipe cleaning apparatus of claim 1, wherein: the pipeline cleaning device also comprises a safety rope, and the safety rope is connected with the walking driving unit (4).