Pipe cleaner

Abstract

The utility model relates to a pipe cleaner, which comprises a main body, a cleaning mechanism, a positioning mechanism and a defect detection mechanism, and the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively arranged on the main body. The pipe cleaner has the beneficial effects that the structure is compact, the design is reasonable, and the problems that existing stains cannot be thoroughly cleaned, the pipe cleaner cannot be accurately positioned, the wall thickness cannot be detected, the pipe diameter change cannot be detected and the like are solved; meanwhile, the pipeline trend, the wall thickness and whether a welding seam is intact or not can be determined through the pipeline cleaner, pipeline deformation can be detected, internal and external hidden dangers existing in the pipeline can be found in time, the pipeline cleaner can carry an electromagnetic transmitting device to form an electronic tracking system together with a ground receiving instrument, and other matched accessories are configured; and various complex pipeline operation tasks are completed.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline transportation, in particular to a pipe cleaning device. Background Art

[0002] A pipe cleaner is a special tool used to clean pipelines, which is driven by the pipeline transport medium (gas or liquid). It can be used to remove corrosive substances such as water, light oil, methane hydrate, iron oxide powder, carbide dust, carbon disulfide, and hydrosulfuric acid inside the pipeline, and reduce the corrosion damage of corrosive substances to the inner wall of the pipeline. The application range of pipe cleaners is wide, including cleaning projects of oil and gas process pipelines and chemical medium process pipelines. Especially in the cleaning of long-distance oil and gas pipelines, pipe cleaners have advantages that cannot be replaced by other technologies.

[0003] The main reasons for cleaning oil and gas pipelines include the long-term operation of the pipeline, the oil sludge, acidic liquids, etc. in the pipeline, which cause the pipeline to corrode and solidify, resulting in the thinning of the pipeline wall thickness and the decrease in pressure bearing capacity; the long-term sludge precipitation in the pipe produces hydrogen sulfide gas and ferrous sulfide, which cause environmental pollution and are prone to fire and explosion; the acid and alkaline substances in the wastewater are prone to corrode the inner wall of the pipeline; the irregular removal of foreign matter in the pipeline causes pipeline equipment to be blocked or damaged. These factors will affect the normal operation life of the pipeline, so it is necessary to clean the pipeline to restore the cleanliness of the pipeline body, protect it from corrosion or other chemical damage, improve the pipeline transportation efficiency, and effectively ensure safety and extend the service life. In summary, the pipe cleaner is a tool specifically used to clean the pipeline, which achieves the cleaning and dredging of the pipeline through different background technologies.

[0004] The existing pipe cleaners have the following problems: when cleaning the pipe, they use the pressure difference between the front and rear of the pipeline to push the pipe cleaner to move in the pipeline, and use the friction between the pipe cleaner and the pipeline to remove stains. This friction often further compacts the stains and may not be able to completely remove them. During the cleaning operation, the pipe cleaner cannot accurately locate and cannot detect changes in wall thickness and pipe diameter. At the same time, it is impossible to determine the direction of the pipeline, whether the wall thickness and welds are intact, detect pipeline deformation, and promptly discover internal and external hidden dangers in the pipeline. Utility Model Content

[0005] The utility model provides a pipe cleaning device, aiming to solve the problems in the prior art.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] A pipe cleaner comprises a main body, a cleaning mechanism, a positioning mechanism and a defect detection mechanism, wherein the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively mounted on the main body.

[0008] The beneficial effects of the utility model are as follows: during the cleaning process, the gas transported in the pipeline pushes the entire device to move in the pipeline; in this process, the stains inside the pipeline are removed by the cleaning mechanism, while the positioning mechanism is used for positioning, and the defect detection mechanism is used to detect whether the pipeline is deformed, etc., so the cleaning is convenient and efficient.

[0009] The utility model has a compact structure and a reasonable design, and solves the problems that existing stains cannot be completely removed, the pipe cleaner has no accurate positioning, the wall thickness cannot be detected, and the change in pipe diameter cannot be detected. At the same time, the pipe cleaner can clearly determine the direction of the pipeline, whether the wall thickness and the weld are intact, detect pipeline deformation, and promptly discover internal and external hidden dangers in the pipeline. The pipe cleaner can also carry an electromagnetic transmitting device and a ground receiving instrument to form an electronic tracking system, and is equipped with other supporting accessories to complete various complex pipeline operation tasks.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the main body includes a base and two soft leathers, and the two soft leathers are rotatably installed at both ends of the base; the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively installed on the base, and are respectively located between the two soft leathers.

[0012] The beneficial effect of adopting the above further scheme is that during the cleaning process, the two soft skins are respectively fitted with the inner wall of the pipe, so that a sealed space is formed between the two soft skins and the inner wall of the pipe. The reasonable design ensures that the conveying gas has sufficient power to push the entire equipment to move in the pipe, so as to clean the stains in the pipe.

[0013] Furthermore, the positioning mechanism includes a GPS module and / or a grating encoder, and the GPS module and / or the grating encoder are fixedly mounted on the base.

[0014] The beneficial effects of adopting the above further scheme are simple structure, reasonable design, using GPS module and / or grating encoder to locate the pipeline, and realizing dual positioning when GPS module and grating encoder exist at the same time, and positioning is more accurate.

[0015] Furthermore, two ends of the base are rotatably connected with movable joints, and the two leather parts are rotatably connected with the two movable joints respectively.

[0016] The beneficial effects of adopting the above further solution are simple structure and reasonable design. The two soft skins use two flexible joints to achieve active connection between the two ends of the base, so as to be suitable for different walking shapes in the pipeline and more flexible.

[0017] Furthermore, the base body comprises a base body one and a base body two which are axially oppositely arranged, and the base body one and the base body two are oppositely provided with air transmission channels with two ends passing through; the two flexible joints and the two soft leather bodies are respectively provided with air supply channels with two ends passing through, and the ends of the two air supply channels in the two flexible joints which are close to each other and the ends of the two air transmission channels which are far away from each other, as well as the ends of the two air supply channels in the two flexible joints which are far away from each other and the ends of the two air supply channels in the two soft leather bodies which are close to each other are respectively connected by hoses; the cleaning mechanism comprises an annular cleaning brush, which is installed between the base body one and the base body two, and can rotate around its own axial direction; the positioning mechanism and the defect detection mechanism are respectively installed on the base body one and the base body two.

[0018] The beneficial effect of adopting the above further solution is that the structure inside the substrate is reasonably arranged, which is convenient for gas to pass through, and the gas can be used to drive the substrate to move.

[0019] Furthermore, grooves respectively connected to the two gas delivery channels are provided at the opposite ends of the base one and the base two, and the cleaning brush is rotatably connected to the opposite ends of the base one and the base two through a rotating shaft, and both ends of the rotating shaft extend into the two grooves respectively; a driving fan is also fixedly sleeved on the rotating shaft, and the driving fan is located in the cleaning brush.

[0020] The beneficial effect of adopting the above-mentioned further scheme is that during the cleaning process, on the one hand, the transported gas pushes the entire equipment to move in the pipeline; on the other hand, part of the gas enters the interior of the base and drives the above-mentioned driving fan to rotate, thereby driving the entire cleaning brush to rotate, so that the cleaning brush cleans the stains on the pipe wall. The structure is simple and the design is reasonable. The cleaning brush is driven to rotate by gas and driving fan. There is no need to set up additional driving parts, which saves energy consumption and reduces costs.

[0021] Furthermore, a guide wheel is fixedly installed at one end of the air supply channel in the base one close to the base two, and a plurality of guide grooves penetrating at both ends are evenly spaced on the edge of the guide wheel along its circumference, and the plurality of guide grooves extend along the axial direction of the guide wheel respectively, and are respectively used to connect the corresponding air supply channel with the groove.

[0022] The beneficial effect of adopting the above further scheme is simple structure and reasonable design. The guide wheel is used to guide the other guides in the corresponding air supply channel to the edge of the corresponding groove, so that the gas is evenly distributed in the groove, so as to drive the above driving fan to rotate and ensure the normal rotation of the cleaning brush.

[0023] Furthermore, a portion of the base body near one end thereof is evenly spaced and fixedly surrounded by a plurality of front legs, and front wheels are rotatably mounted on the plurality of front legs; a portion of the base body near the other end thereof is evenly spaced and fixedly mounted with a plurality of rear legs, and the plurality of rear legs are respectively distributed opposite to the plurality of front legs in pairs, and rear wheels are rotatably mounted on the plurality of rear legs; and the cleaning mechanism is located between the plurality of front legs and the plurality of rear legs.

[0024] The beneficial effect of adopting the above-mentioned further scheme is that the multiple front legs and the multiple rear legs are reasonably arranged to support the base and ensure the stability of the base; in addition, the front wheels and the rear wheels can support the base on the one hand, and on the other hand, they can convert the sliding friction between the base and the inner wall of the pipe into rolling friction, thereby reducing friction and ensuring that the entire equipment moves smoothly in the pipe to facilitate cleaning operations.

[0025] Furthermore, the plurality of front legs are respectively in a U-shaped structure, the defect detection mechanism includes a plurality of pairs of mutually matching U-shaped magnets and magnetic leakage sensors, the closed ends of the plurality of U-shaped magnets are respectively rotatably installed in the open ends of the plurality of front legs, the plurality of front wheels are respectively rotatably installed on both sides of the open ends of the plurality of U-shaped magnets; the plurality of magnetic leakage sensors are respectively fixedly installed in the plurality of front legs. The beneficial effect of adopting the above further scheme is that the structure is simple and the design is reasonable, the arrangement of the plurality of U-shaped magnets can adapt to the changes of the pipeline and protect the U-shaped magnets; in addition, the U-shaped magnets generate and emit magnetic signals after being energized, the magnetic leakage sensor receives the magnetic signals and sends them to the controller, and the controller compares whether there is a difference between the signals received by the magnetic leakage sensor before and after, and if there is a difference, it indicates that the pipeline is deformed at this point, and if there is no difference, it indicates that the pipeline is not deformed at this point.

[0026] Furthermore, the plurality of front legs and the plurality of rear legs are respectively obliquely distributed on the base, and one end of the plurality of front legs and one end of the plurality of rear legs are respectively fixedly connected to the base, and the other ends are far away from each other.

[0027] The beneficial effect of adopting the above further solution is that the multiple front legs and the multiple rear legs are reasonably distributed and will not affect the assembly of other components. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0029] Figure 2 It is a schematic diagram of the structure of the utility model when turning;

[0030] Figure 3 It is a structural schematic diagram of the base body in the utility model;

[0031] Figure 4It is a structural schematic diagram of the cleaning mechanism in the utility model;

[0032] Figure 5 This is one of the structural schematic diagrams of the soft leather in the utility model;

[0033] Figure 6 This is the second schematic diagram of the soft leather structure in the present invention.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Base; 2. Leather; 3. GPS module; 4. Grating encoder; 5. Front support leg; 6. Front wheel; 7. Rear support leg; 8. Rear wheel; 9. U-shaped magnet; 10. Magnetic leakage sensor; 11. Flexible joint; 12. Air transmission channel; 13. Groove; 14. Cleaning brush; 15. Rotating shaft; 16. Driving fan; 17. Guide wheel. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0039] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0040] Example 1

[0041] like Figures 1 to 6 As shown, this embodiment provides a pipe cleaner, including a main body, a cleaning mechanism, a positioning mechanism and a defect detection mechanism, wherein the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively mounted on the main body.

[0042] During the cleaning process, the gas transported in the pipeline pushes the entire equipment to move in the pipeline; in this process, the cleaning mechanism is used to remove stains inside the pipeline, while the positioning mechanism is used for positioning, and the defect detection mechanism is used to detect whether the pipeline is deformed, etc., which makes cleaning convenient and efficient.

[0043] This embodiment has a compact structure and a reasonable design, and solves the problems that existing stains cannot be completely removed, the pipe cleaner cannot be accurately positioned, the wall thickness cannot be detected, and the change in pipe diameter cannot be detected. At the same time, the pipe cleaner can determine the direction of the pipeline, whether the wall thickness and the weld are intact, detect pipeline deformation, and promptly discover internal and external hidden dangers in the pipeline. The pipe cleaner can also carry an electromagnetic transmitter and a ground receiving instrument to form an electronic tracking system, and is equipped with other supporting accessories to complete various complex pipeline operation tasks.

[0044] Example 2

[0045] Based on Example 1, in this embodiment, the main body includes a base 1 and two soft leathers 2, and the two soft leathers 2 are rotatably installed at both ends of the base 1; the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively installed on the base 1, and are respectively located between the two soft leathers 2.

[0046] During the cleaning process, the two soft leathers 2 are respectively fitted with the inner wall of the pipeline, so that a sealed space is formed between the two soft leathers 2 and the inner wall of the pipeline. The reasonable design ensures that the conveying gas has enough power to push the entire equipment to move in the pipeline, so as to clean the stains in the pipeline.

[0047] Preferably, in this embodiment, the cross-section of the substrate 1 is preferably a polygon, such as a hexagon.

[0048] Example 3

[0049] On the basis of Example 2, in this embodiment, the positioning mechanism includes a GPS module 3 and / or a grating encoder 4 , and the GPS module 3 and / or the grating encoder 4 are fixedly mounted on the base 1 .

[0050] The solution has a simple structure and a reasonable design. The GPS module 3 and / or the grating encoder 4 are used to locate the pipeline. When the GPS module 3 and the grating encoder 4 exist at the same time, dual positioning is achieved, and the positioning is more accurate.

[0051] Preferably, in this embodiment, the GPS module 3 and the grating encoder 4 are respectively connected to the controller of the control center for communication.

[0052] Preferably, in this embodiment, the GPS module 3 and the grating encoder 4 are preferably provided simultaneously to achieve dual positioning with higher accuracy.

[0053] Grating encoders can achieve mechanical positioning to meet the scenarios where GPS cannot be used. Grating encoders can also be used for pipeline measurement.

[0054] Alternatively, the GPS module 3 and the grating encoder 4 may be configured selectively, but the positioning accuracy of this solution is not as good as that of the above solution.

[0055] It should be noted that the GPS module 3 and the grating encoder 4 are both based on existing technologies, and their specific structures and principles are not described in detail here.

[0056] Example 4

[0057] On the basis of any one of Embodiments 2 to 3, in this embodiment, two ends of the base 1 are rotatably connected with flexible joints 11, and the two leather soft parts 2 are rotatably connected with the two flexible joints 11 respectively.

[0058] This solution has a simple structure and a reasonable design. The two soft leathers 2 are movably connected to the two ends of the base 1 by two flexible joints 11, so as to be suitable for different running shapes in the pipeline and more flexible.

[0059] Preferably, in this embodiment, the two soft skins 2 are preferably soft and tough tire-like structures, which can bear the force more evenly in the pipeline and rotate more flexibly.

[0060] In addition, each leather soft 2 includes two discs, which are connected by a pipe, and a connector is fixedly connected to the corresponding disc, and the connector is connected to the corresponding flexible joint 11 through a pin to achieve a 180° rotation connection.

[0061] Piruan 2 can select multiple pipes according to the amount of dirt in the pipeline to avoid excessive dirt damaging other detection modules.

[0062] Furthermore, the two movable joints 11 are respectively connected to the two ends of the base body 1 through pins so as to be rotatable by 180°.

[0063] Preferably, in this embodiment, both ends of the two flexible joints 11 are respectively provided with U-shaped grooves, and the ends of the two connectors close to each other extend into two of the U-shaped grooves and are rotatably connected by a pin, and the two ends of the two bases 1 extend into the remaining two U-shaped grooves and are rotatably connected by a pin. The pipe cleaner can pass better when the pipeline is bent. When the pipe cleaner passes through a bent pipeline, the movement will be smoother, the cleaning will be more thorough, and the efficiency will be higher.

[0064] Example 5

[0065] On the basis of Example 4, in this embodiment, the base 1 includes a base one and a base two which are axially oppositely arranged, and the base one and the base two are oppositely provided with air delivery channels 12 with two ends passing through; the two flexible joints 11 and the two soft leathers 2 are respectively provided with air supply channels with two ends passing through, and the ends of the two air supply channels in the two flexible joints 11 that are close to each other and the ends of the two air delivery channels 12 that are far away from each other, as well as the ends of the two air supply channels in the two flexible joints 11 that are far away from each other and the ends of the two air supply channels in the two soft leathers 2 that are close to each other are respectively connected by hoses; the cleaning mechanism includes an annular cleaning brush 14, and the cleaning brush 14 is installed between the base one and the base two, and can rotate around its own axial direction; the positioning mechanism and the defect detection mechanism are respectively installed on the base one and the base two.

[0066] The structure inside the substrate 1 is reasonably arranged to facilitate the passage of gas, and the gas can be used to push the substrate 1 to move.

[0067] Based on the above solution, the shapes of the substrate 1 and the substrate 2 are exactly the same, and the sizes of the two may be consistent or inconsistent.

[0068] The two gas delivery channels 12 are respectively arranged along the length direction of the first substrate and the second substrate.

[0069] When cleaning the pipe, the pressure difference between the front and rear of the pipeline is used to push the pipe cleaner to move in the pipeline. The gas itself is taken in through the rear soft air inlet, and then passes through the rectifier plate to reach the air cavity to push the blades to rotate, so as to drive the brush to thoroughly clean the stains on the pipe wall.

[0070] Example 6

[0071] On the basis of Example 5, in this embodiment, the opposite ends of the base one and the base two are provided with grooves 13 respectively connected to the two gas delivery channels 12, and the cleaning brush 14 is rotatably connected to the opposite ends of the base one and the base two through a rotating shaft 15, and the two ends of the rotating shaft 15 respectively extend into the two grooves 13 and are rotatably connected to the two grooves 13 through bearings respectively; a driving fan 16 is also fixedly sleeved on the rotating shaft 15, and the driving fan 16 is located in the cleaning brush 14.

[0072] During the cleaning process, on the one hand, the transported gas pushes the entire device to move in the pipeline; on the other hand, part of the gas enters the interior of the base 1 and drives the above-mentioned driving fan 16 to rotate, thereby driving the entire cleaning brush 14 to rotate, so that the cleaning brush 14 cleans the stains on the pipe wall. The structure is simple and the design is reasonable. The cleaning brush is driven to rotate by gas and the driving fan 16. There is no need to set up additional driving parts, which saves energy consumption and reduces costs.

[0073] Based on the above solution, both ends of the rotating shaft 15 extend into the two grooves 13 respectively, and are rotatably connected to the two grooves 13 through bearings.

[0074] Alternatively, the cleaning brush 14 can also be driven in other ways, specifically: the cleaning brush 14 is installed between the base body 1 and the base body 2 through the rotating shaft 15, and a passive gear is fixedly sleeved on the rotating shaft 15; a motor is fixedly installed in the groove 13, and the driving end of the motor extends along the axial direction of the rotating shaft 15 and is coaxially fixedly sleeved with a driving gear, and the driving gear meshes with the passive gear. During operation, the motor drives the driving gear to rotate, and the driving gear uses the meshing force between it and the passive gear to drive the passive gear, the rotating shaft 15, and the cleaning brush 14 to rotate.

[0075] It should be noted that at this time, there is still space between the motor and the groove wall for gas to pass through.

[0076] Example 7

[0077] On the basis of Example 6, in this embodiment, a guide wheel 17 is fixedly installed at one end of the air supply channel in the base one close to the base two, and a plurality of guide grooves penetrating at both ends are evenly spaced on the edge of the guide wheel 17 along its circumference, and the plurality of guide grooves extend along the axial direction of the guide wheel 17, respectively, and are respectively used to connect the corresponding air delivery channel 12 with the groove 13.

[0078] This solution has a simple structure and a reasonable design. The guide wheel 17 is used to guide the other guides in the corresponding air supply channel to the edge of the corresponding groove 13, so that the gas is evenly distributed in the groove 13, so as to drive the above-mentioned driving fan 16 to rotate and ensure the normal rotation of the cleaning brush 14.

[0079] Based on the above scheme, the guide wheel 17 is a solid wheel, which is fixed at the corresponding end of the corresponding gas transmission channel 12, and its edge is close to the corresponding gas transmission channel 12. The guide wheel 17 is reasonably arranged to ensure that the gas in the gas transmission channel 12 evenly enters the corresponding groove 13 along multiple guide grooves.

[0080] Example 8

[0081] On the basis of any one of Embodiments 2 to 7, in this embodiment, the portion of the substrate 1 close to one end thereof (i.e., the attachment Figure 3 The front end of the base body 1 is evenly spaced and fixedly surrounded by a plurality of front legs 5, on which front wheels 6 are rotatably mounted respectively; the portion of the base body 1 close to the other end thereof (i.e., the attachment Figure 3 A plurality of rear legs 7 are evenly and fixedly installed at the rear end of the plurality of rear legs 7, and the plurality of rear legs 7 are respectively distributed opposite to the plurality of front legs 5 in pairs, and rear wheels 8 are respectively rotatably installed thereon; the cleaning mechanism is located between the plurality of front legs 5 and the plurality of rear legs 7.

[0082] The multiple front legs 5 and the multiple rear legs 7 are reasonably arranged to support the base 1 and ensure the stability of the base 1; in addition, the front wheels 6 and the rear wheels 8 can support the base 1 on the one hand, and on the other hand, can convert the sliding friction between the base 1 and the inner wall of the pipeline into rolling friction, thereby reducing friction and ensuring that the entire equipment moves smoothly in the pipeline to facilitate cleaning operations.

[0083] Example 9

[0084] On the basis of Embodiment 8, in this embodiment, the plurality of front legs 5 are respectively in a U-shaped structure.

[0085] The defect detection mechanism includes a plurality of pairs of mutually matching U-shaped magnets 9 and magnetic leakage sensors 10, the closed ends of the plurality of U-shaped magnets 9 are rotatably mounted in the open ends of the plurality of front legs 5, and the plurality of front wheels 6 are rotatably mounted on both sides of the open ends of the plurality of U-shaped magnets 9; the plurality of magnetic leakage sensors 10 are fixedly mounted in the plurality of front legs 5. The scheme has a simple structure and a reasonable design, and the arrangement of the plurality of U-shaped magnets 9 can adapt to the changes of the pipeline and protect the U-shaped magnets 9; in addition, the U-shaped magnets 9 generate and emit magnetic signals after being energized, and the magnetic leakage sensors 10 receive the magnetic signals and send them to the controller, and the controller compares whether there is a difference between the signals received by the magnetic leakage sensors 10 before and after, and if there is a difference, it indicates that the pipeline is deformed at this point, and if there is no difference, it indicates that the pipeline is not deformed at this point.

[0086] Preferably, in this embodiment, a power source such as a battery is fixedly installed in any one of the above grooves 13, and the above electronic components are connected to the power source through lines respectively.

[0087] It should be noted that the battery needs to be replaced or charged regularly to ensure the normal operation of the entire equipment.

[0088] Based on the above solution, the GPS module 3 and the grating encoder 4 can be arranged on the first substrate or on the second substrate.

[0089] In addition, the closed end of each U-shaped magnet 9 is rotatably connected to the open end of the corresponding front leg 5 through a pin shaft, and the front wheels 6 are rotatably installed on both sides of the open end.

[0090] Example 10

[0091] On the basis of any one of Examples 8 to 9, in this embodiment, the plurality of front legs 5 and the plurality of rear legs 7 are respectively obliquely distributed on the base 1, and the inclination directions of the plurality of front legs 5 and the plurality of rear legs 7 are opposite, that is, one end of the plurality of front legs 5 and one end of the plurality of rear legs 7 are respectively fixedly connected to the two ends of the base 1, and the other end of the plurality of front legs 5 and the other end of the plurality of rear legs 7 are obliquely distributed to the side away from each other.

[0092] The plurality of front legs 5 and the plurality of rear legs 7 are distributed reasonably and will not affect the assembly of other components.

[0093] The working principle of the utility model is as follows:

[0094] During the cleaning process, on the one hand, the transported gas pushes the entire device to move in the pipeline; on the other hand, part of the gas enters the interior of the base body 1 and is introduced into the groove 13 through the guide wheel 17 to drive the driving fan 16 to rotate, thereby driving the entire cleaning brush 14 to rotate, so that the cleaning brush 14 cleans the stains on the pipe wall. The structure is simple and the design is reasonable. The cleaning brush is driven to rotate by gas and the driving fan 16, and no additional driving parts are required, which saves energy consumption and reduces costs.

[0095] In this process, the GPS module 3 and the grating encoder 4 can be used to locate the pipeline. At the same time, multiple U-shaped magnets 9 are energized to generate and transmit magnetic signals. Multiple magnetic leakage sensors 10 receive corresponding magnetic signals and send them to the controller. The controller compares the signals received by the multiple magnetic leakage sensors 10 before and after to see if there is a difference. If there is a difference, it indicates that the pipeline has been deformed at this point, and if there is no difference, it indicates that the pipeline has not been deformed at this point.

[0096] The utility model aims to solve the problems that existing stains cannot be completely removed, pipe cleaners cannot be accurately positioned, wall thickness cannot be detected, changes in pipe diameter cannot be detected, and the like.

[0097] At the same time, the pipe cleaner can determine the direction of the pipeline, the wall thickness and the integrity of the welds, detect pipeline deformation, and promptly discover internal and external hidden dangers in the pipeline. The pipe cleaner can also carry an electromagnetic transmitter and a ground receiving instrument to form an electronic tracking system, and be equipped with other supporting accessories to complete various complex pipeline operation tasks.

[0098] The technical effects achieved by the utility model are as follows:

[0099] 1. The brush rotation cleaning is more thorough, more efficient and faster.

[0100] 2. High-precision GPS module and grating encoder dual positioning can clearly determine the direction of the pipeline and achieve higher positioning accuracy.

[0101] 3. During the cleaning operation, the U-shaped magnet and magnetic leakage sensor detect wall thickness and weld defects, detect pipeline deformation, and promptly discover internal and external hidden dangers in the pipeline.

[0102] 4. The base is connected to the front soft and the rear soft through the flexible joint and the soft body, so that the force in the pipeline is more uniform and the rotation is more flexible.

[0103] It should be noted that all electronic components involved in the present invention adopt the existing technology, and the above-mentioned components are electrically connected to the controller, and the control circuit between the controller and each component is the existing technology.

[0104] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0105] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0106] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe cleaning device, characterized in that: It comprises a main body, a cleaning mechanism, a positioning mechanism and a defect detection mechanism, wherein the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively mounted on the main body; the main body comprises a base (1) and two soft leathers (2), wherein the two soft leathers (2) are respectively rotatably mounted on the two ends of the base (1); the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively mounted on the base (1), and are respectively located between the two soft leathers (2); the two ends of the base (1) are respectively rotatably connected with movable joints (11), and the two soft leathers (2) are respectively rotatably connected to the two movable joints (11); The base (1) comprises a base 1 and a base 2 which are arranged axially opposite to each other, and the base 1 and the base 2 are provided with air delivery channels (12) with two ends passing through them; the two flexible joints (11) and the two soft leathers (2) are provided with air supply channels with two ends passing through them respectively, and the ends of the two air supply channels in the two flexible joints (11) which are close to each other and the ends of the two air delivery channels (12) which are far away from each other, as well as the ends of the two air supply channels in the two flexible joints (11) which are far away from each other and the ends of the two air supply channels in the two soft leathers (2) which are close to each other are connected respectively through hoses; the cleaning mechanism comprises an annular cleaning brush (14), and the cleaning brush (14) is installed between the base 1 and the base 2, and can rotate around its own axial direction; the positioning mechanism and the defect detection mechanism are installed on the base 1 and the base 2 respectively; The opposite ends of the base body 1 and the base body 2 are provided with grooves (13) respectively connected with the two gas delivery channels (12); the cleaning brush (14) is rotatably connected with the opposite ends of the base body 1 and the base body 2 respectively through a rotating shaft (15); the two ends of the rotating shaft (15) respectively extend into the two grooves (13); a driving fan (16) is also fixedly sleeved on the rotating shaft (15), and the driving fan (16) is located in the cleaning brush (14); A guide wheel (17) is fixedly mounted on one end of the air supply channel in the first base body near the second base body, and a plurality of guide grooves are evenly spaced along the circumference of the edge of the guide wheel (17) and penetrate through the two ends respectively. The plurality of guide grooves extend along the axial direction of the guide wheel (17) and are respectively used to connect the corresponding air supply channel (12) with the groove (13); a plurality of front legs (5) are evenly spaced and fixedly mounted around a portion of the first base body near one end thereof, and front wheels (6) are rotatably mounted on the plurality of front legs (5); a plurality of rear legs (7) are evenly spaced and fixedly mounted on a portion of the second base body near the other end thereof, and the plurality of rear legs (7) are respectively arranged opposite to the plurality of front legs (5) in pairs, and rear wheels (8) are rotatably mounted on the plurality of rear legs (7); the cleaning mechanism is located between the plurality of front legs (5) and the plurality of rear legs (7).

2. The pipe cleaning device according to claim 1, characterized in that: The positioning mechanism comprises a GPS module (3) and / or a grating encoder (4), and the GPS module (3) and / or the grating encoder (4) are fixedly mounted on the base body (1).

3. The pipe cleaning device according to claim 1, characterized in that: The plurality of front legs (5) are respectively in a U-shaped structure, the defect detection mechanism comprises a plurality of pairs of mutually matching U-shaped magnets (9) and magnetic flux leakage sensors (10), the closed ends of the plurality of U-shaped magnets (9) are respectively rotatably mounted in the open ends of the plurality of front legs (5), the plurality of front wheels (6) are respectively rotatably mounted on both sides of the open ends of the plurality of U-shaped magnets (9); and the plurality of magnetic flux leakage sensors (10) are respectively fixedly mounted in the plurality of front legs (5).

4. The pipe cleaning device according to claim 1, characterized in that: The plurality of front legs (5) and the plurality of rear legs (7) are respectively distributed obliquely on the base (1), and one end of the plurality of front legs (5) and one end of the plurality of rear legs (7) are respectively fixedly connected to the base (1), and the other ends are far away from each other.

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