Intelligent pipeline dredging device

Abstract

The application belongs to the technical field of pipeline cleaning equipment and relates to an intelligent pipeline dredging device, which comprises a propelling mechanism, a front-end auger propelling unit and a rear-end auger sludge discharging unit. The front-end auger propelling unit is provided with a compensation structure which can adapt to corrosion deformation of the inner wall of the pipeline, and the contact pressure with the pipe wall is automatically adjusted through an elastic expansion plate to ensure complete cleaning of the corrosion area; the rear-end auger sludge discharging unit is designed with a small pitch to effectively prevent sludge blockage by enhancing the shearing force. The application solves the problems that the traditional dredging equipment cannot adapt to pipeline deformation and is prone to blockage, and significantly improves the dredging efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline cleaning equipment, in particular to an intelligent pipeline dredging device. BACKGROUND

[0002] During long-term transportation, oil pipelines will continuously deposit oil sludge, wax and other impurities on the inner wall, which will gradually thicken, resulting in a decrease in pipe diameter and an increase in transportation resistance, seriously affecting the efficiency of crude oil transportation. The currently widely used dredging equipment in the industry is mainly of equal-pitch helical propulsion structure. This design has two defects in practical application: on the one hand, due to the corrosion and deformation of the pipeline after long-term use, the rigid helical blades of the traditional equipment cannot adapt to the irregular pipe wall shape, making it difficult to completely remove the deposits in the corroded recesses, especially the non-smooth pipe wall in the corrosion area, which is more prone to depositing oil sludge and other substances; on the other hand, during long-distance dredging operations, the equal-pitch design is prone to cause the re-deposition of sludge during transportation, especially the formation of blockage near the pipe wall, forcing frequent interruptions for manual cleaning, greatly reducing the work efficiency.

[0003] Therefore, we propose an intelligent pipeline dredging device. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] An intelligent pipeline dredging device, comprising a propulsion mechanism, the propulsion mechanism comprising a front and rear moving propulsion platform, the propulsion platform being provided with a rotating unit for driving the rotation of a connecting head, the connecting head being used to drive the rotation of a front-end auger propulsion unit and a rear-end auger sludge discharge unit for cleaning the inside of the pipeline;

[0006] The front-end auger propulsion unit comprises a front-end rotating pipe, and front-end helical blades are equally arranged on the front-end rotating pipe. A compensation structure for cleaning the corrosion area of the pipeline is arranged on the front-end helical blade near the head. The compensation structure comprises a plurality of cavities, the cavities being formed in the front-end helical blade, a telescopic plate being slidably connected in the cavity, and an elastic sheet being arranged in the cavity. The telescopic plate and the elastic sheet are fixedly connected, and the elastic sheet uses its own elastic force to reset the telescopic plate after sliding. A filling assembly is arranged between adjacent telescopic plates.

[0007] The rear-end auger sludge discharge unit comprises a rear-end rotating pipe, and rear-end helical blades are equally arranged on the rear-end rotating pipe. The pitch between the rear-end helical blades is smaller than the pitch of the front-end helical blades.

[0008] Preferably, the front end of the front rotary pipe is provided with a triangular protruding cone, a guide groove is arranged in the cavity, an elastic sheet is slidingly connected in the guide groove, a guide rod is slidingly penetrated through the middle of the elastic sheet to guide the sliding of the elastic sheet, a reset spring is nested on the guide rod, and the two ends of the reset spring are respectively in abutment with the elastic sheet and the inner wall of the cavity.

[0009] Preferably, the filling assembly comprises a blocking plate slidingly connected to one side of the telescopic plate, a sliding rod fixedly connected to one side of the blocking plate close to the telescopic plate, the other end of the sliding rod slidingly inserted into the inside of the telescopic plate, a abutting spring nested on the sliding rod, the abutting spring fixedly connecting the blocking plate and the telescopic plate, an arc surface provided on one end of the blocking plate close to the front end of the spiral blade, and the adjacent two blocking plates staggered with each other.

[0010] Preferably, the rotating unit comprises a shell, the shell is arranged on the advancing platform, a hydraulic motor is fixedly connected to the back of the shell, a first gear is arranged in the inside of the shell, the first gear is driven by the hydraulic motor, a second gear is engaged below the first gear, a middle shaft is rotatably connected to the middle of the second gear through the teeth, a connecting head is fixedly connected to the middle shaft, and the hydraulic motor is driven by a hydraulic station.

[0011] Preferably, drive motors are fixedly connected to the two sides of the shell, the drive motors drive the gear and the rack to mesh transmission, so that the shell moves, and the rack is fixedly connected to the advancing platform.

[0012] Preferably, the front auger advancing unit and the rear auger mud discharging unit are detachably connected through the connecting unit, the connecting unit comprises a rear connecting assembly, the rear connecting assembly comprises a rear connecting column, the outer part of the rear connecting column is in the shape of a hexagonal prism, the rear connecting column is arranged at the tail end of the front auger advancing unit and the rear auger mud discharging unit, a rectangular connecting seat is fixedly connected to the inside of the rear connecting column, a connecting cavity is formed in the rectangular connecting seat, and rear screw holes are formed in the rear connecting column and the rectangular connecting seat.

[0013] Preferably, the connecting unit further comprises a front connecting assembly, the front connecting assembly comprises a front connecting column, the inside of the front connecting column is in the shape of a hexagon, the front connecting column is matched with the rear connecting column, a rectangular connecting block is fixedly connected to the inside of the front connecting column, the rectangular connecting block is matched with the connecting cavity, and front screw holes are formed in the rectangular connecting block and the front connecting column.

[0014] Preferably, the end of the front rotary pipe is provided with a broken part recovery unit, the broken part recovery unit comprises a steel disc, the steel disc is fixedly connected to the front end of the front rotary pipe, a steel wire rope is fixedly connected to the steel disc, the other end of the steel wire rope is fixedly connected to the rectangular connecting seat at the tail end of the front rotary pipe, a steel wire rope is fixedly connected between the rectangular connecting block and the rectangular connecting seat in the rear rotary pipe, and a hydraulic winch is arranged at the tail end of the advancing platform, so that the steel disc is pulled out of the pipeline by connecting the steel wire rope and the hydraulic winch and pulling the steel disc by the plurality of series-connected steel wire ropes.

[0015] Preferably, the tail of the middle shaft is provided with a lubricating and cooling unit, the lubricating and cooling unit comprises a drain channel arranged in the middle shaft, and the drain channel is connected with a water tank through a water guide pipe, and the drain channel is supplied with water by a water pump of the water tank.

[0016] The present application has the following advantages:

[0017] The present application adopts a variable pitch design of large front and small rear, the front section quickly conveys the sludge, and the conveying efficiency is improved, the rear section is provided with closely arranged rear spiral blades, the relative motion speed between the rear spiral blades and the sludge is increased, the gel structure of the sludge is destroyed, and the smoothness of conveying is improved. Secondly, the compensation structure arranged on the front spiral blade can automatically adapt to the unevenness of the inner wall of the pipeline, and ensure that the sludge in the corrosion area can also be completely cleaned. In addition, the multiple dredging units are connected in series through the built-in steel wire rope, the broken parts are recycled, and the operation reliability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Wherein:

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the structure of the rotating unit in the present application;

[0022] Figure 3 It is Figure 2 It is an enlarged schematic diagram of the structure at A in the middle;

[0023] Figure 4 It is a schematic diagram of the structure of the propulsion mechanism and the hydraulic winch in the present application;

[0024] Figure 5 It is a schematic diagram of the structure of the propulsion mechanism in the present application;

[0025] Figure 6 It is a schematic diagram of the structure of the front auger propulsion unit in the present application;

[0026] Figure 7 It is a schematic diagram of the structure of the broken recovery unit and the front rotating pipe in the present application;

[0027] Figure 8 It is a schematic diagram of the structure of the compensation structure in the present application;

[0028] Figure 9Structure diagram of filling assembly in the application;

[0029] Figure 10 Structure diagram of compensation structure and front-end rotating tube in the application;

[0030] Figure 11 Structure diagram of Figure 10 Enlarged structure diagram of structure at B in the application;

[0031] Figure 12 Structure diagram of rear-end auger sludge discharge unit in the application;

[0032] Figure 13 Structure diagram of internal structure of rear-end rotating tube in the application.

[0033] In the figure:

[0034] 1, propelling mechanism; 11, propelling platform; 12, rotating unit; 121, casing; 122, hydraulic motor; 123, No. 1 gear; 124, No. 2 gear; 125, central shaft; 13, driving motor; 14, rack; 15, hydraulic station; 16, connecting head;

[0035] 4, front-end auger propelling unit; 41, front-end rotating tube; 42, triangular protruding cone; 43, front-end helical blade; 44, compensation structure; 441, telescopic plate; 442, cavity; 443, elastic sheet; 444, guide groove; 445, guide rod; 446, return spring; 447, filling assembly; 4471, blocking plate; 4472, arc surface; 4473, abutting spring; 4474, sliding rod;

[0036] 5, rear-end auger sludge discharge unit; 51, rear-end rotating tube; 52, rear-end helical blade;

[0037] 6, connecting unit; 61, rear connecting assembly; 611, rear connecting column; 612, rectangular connecting seat; 613, rear screw hole; 614, connecting cavity; 62, front connecting assembly; 621, front connecting column; 622, rectangular connecting block; 623, front screw hole;

[0038] 7, fracture recycling unit; 71, steel disc; 72, steel wire rope; 73, hydraulic winch;

[0039] 8, lubrication and cooling unit; 81, water tank; 82, drainage channel;

[0040] 100, pipeline. DETAILED DESCRIPTION

[0041] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0042] Example:

[0043] like Figures 1-13 As shown, an intelligent pipeline dredging device includes a propulsion mechanism 1, which includes a propulsion platform 11 that moves back and forth. The propulsion platform 11 is provided with a rotating unit 12 for driving a connector 16 to rotate. The connector 16 is used to drive the front end auger propulsion unit 4 and the rear end auger sludge discharge unit 5 to rotate for cleaning the inside of the pipeline 100.

[0044] The front-end auger propulsion unit 4 includes a front-end rotating tube 41, on which front-end spiral blades 43 are equidistantly arranged. The front-end spiral blades 43 near the head are provided with a compensation structure 44 for cleaning corrosion on the pipe 100. The compensation structure 44 includes multiple cavities 442, which are opened in the front-end spiral blades 43. A telescopic plate 441 is slidably connected in the cavity 442. An elastic sheet 443 is provided in the cavity 442. The telescopic plate 441 and the elastic sheet 443 are fixedly connected. The elastic sheet 443 uses its own elasticity to make the telescopic plate 441 slide and then return to its original position. A filling component 447 is provided between adjacent telescopic plates 441.

[0045] The rear-end auger sludge removal unit 5 includes a rear-end rotating pipe 51, on which rear-end spiral blades 52 are evenly spaced. The pitch between the rear-end spiral blades 52 is smaller than the pitch of the front-end spiral blades 43. In traditional constant-pitch conveying, sludge re-gels in low-speed zones (such as near the pipe wall, close to the inner wall of the pipe 100), leading to adhesion and accumulation, causing blockage. In this application, the pitch of the rear-end spiral blades 52 of the rear-end rotating pipe 51 is reduced, thereby increasing the relative speed between the rear-end spiral blades 52 and the sludge (the smaller pitch has a higher shear rate at the same rotation speed), which disrupts the gelation structure of the sludge and improves the smoothness of conveying. At the same time, the pitch of the front-end spiral blades 43 of the front-end rotating pipe 41 is increased, thereby improving the conveying efficiency.

[0046] The front end of the rotating tube 41 is provided with a triangular protruding cone 42, and a guide groove 444 is provided in the cavity 442. The elastic sheet 443 is slidably connected in the guide groove 444. A guide rod 445 slides through the middle of the elastic sheet 443 to guide the sliding of the elastic sheet 443. A return spring 446 is nested on the guide rod 445. The two ends of the return spring 446 abut against the elastic sheet 443 and the inner wall of the cavity 442, respectively.

[0047] The rotating unit 12 comprises a shell 121 arranged on the advancing platform 11, the back of the shell 121 is fixedly connected with a hydraulic motor 122, the inside of the shell 121 is provided with a first gear 123, the first gear 123 is driven by the hydraulic motor 122, the lower part of the first gear 123 is engaged with a second gear 124, the middle part of the second gear 124 is rotatably connected with a middle shaft 125 through the teeth, the middle shaft 125 is fixedly connected with the connecting head 16, the hydraulic motor 122 is driven by the hydraulic station 15; the hydraulic station 15 drives the hydraulic motor 122 to work, the hydraulic motor 122 drives the first gear 123 to rotate after working, the first gear 123 drives the second gear 124 to rotate through the engagement, the second gear 124 drives the middle shaft 125 to rotate through the teeth, the front end of the middle shaft 125 is connected with the connecting head 16 through the connecting piece, the connecting head 16 is adapted and engaged with the rear connecting column 611, the connecting head 16 drives the front end auger advancing unit 4 and the rear end auger sludge discharging unit 5 to rotate when rotating;

[0048] The two sides of the shell 121 are fixedly connected with a driving motor 13, the driving motor 13 drives the gear and the rack 14 to engage transmission, so that the shell 121 moves, the rack 14 is fixedly connected on the advancing platform 11; the driving motor 13 drives the gear to rotate after working, the gear and the rack 14 are engaged with each other, so that the shell 121 moves back and forth on the rack 14 (the movement direction of the shell 121 is determined by the rotation direction of the driving motor 13).

[0049] In this embodiment, first, the pipeline 100 to be cleaned is placed on the bracket, then the mechanical hand is controlled to grab the front end auger advancing unit 4, the front end auger advancing unit 4 is the first structure entering the inside of the pipeline 100, the tail of the front end rotating pipe 41 in the front end auger advancing unit 4 is connected with the connecting head 16, then the rotating unit 12 is controlled to drive the front end rotating pipe 41 to rotate, at the same time, the driving motor 13 is used to drive the front end rotating pipe 41 to approach the pipeline 100, first, the triangular protruding cone 42 enters the inside of the pipeline 100, the rotating triangular protruding cone 42 can break the larger attachments in the pipeline 100, at the same time, the front end spiral blade 43 on the front end rotating pipe 41 rotates, the rotating front end spiral blade 43 adheres to the inner wall of the pipeline 100, further breaks the attachments on the inner wall of the pipeline 100, at the same time, the rotating front end spiral blade 43 and the inner wall of the pipeline 100 cooperate, so that the broken attachments are transported out of the pipeline 100 by the front end spiral blade 43, the internal dredging of the pipeline 100 is completed.

[0050] It needs to be understood that because the inside of the pipeline 100 is corroded in some positions, the cross section of the pipeline 100 is an irregular circle, which causes the front end rotating pipe 41 to drive the front end spiral blade 43 to rotate and cannot clean the irregular positions, so in the present application, the front end spiral blade 43 is provided with a plurality of telescopic plates 441 which can be telescoped, when the front end rotating pipe 41 is in the inside of the pipeline 100, the telescopic plate 441 will always abut against the inner wall of the pipeline 100 under the elastic action of the elastic sheet 443, when the inner wall of the pipeline 100 appears concave, the telescopic plate 441 will slide outward under the elastic action of the elastic sheet 443, so that the end of the telescopic plate 441 can extend into the bottom of the concave part, thereby cleaning the attachments on the concave bottom, when the inner wall of the pipeline 100 appears convex, the telescopic plate 441 will slide into the inside of the front end spiral blade 43 under the elastic action of the elastic sheet 443, the elastic sheet 443 is extruded, so that the front end spiral blade 43 can pass through the convex part in the pipeline 100. The guide groove 444 and the guide rod 445 are used to guide the deformation direction of the elastic sheet 443, and the reset spring 446 can assist in resetting when the elastic sheet 443 deforms.

[0051] Therefore, when the pipeline 100 is dredged, the corrosion area inside the pipeline 100 can be considered, because the inner wall of the pipeline in the corrosion area is not smooth, it is more prone to accumulate impurities, so it needs to be paid attention to, so as to improve the effect of dredging the pipeline 100.

[0052] As shown in Figures 8-11 The filling assembly 447 includes a blocking plate 4471, the blocking plate 4471 is slidingly connected to one side of the telescopic plate 441, the blocking plate 4471 is fixedly connected with a sliding rod 4474 near one side of the telescopic plate 441, the other end of the sliding rod 4474 is slidingly inserted into the inside of the telescopic plate 441, the sliding rod 4474 is nested with a abutting spring 4473, the abutting spring 4473 fixedly connects the blocking plate 4471 and the telescopic plate 441, the blocking plate 4471 is provided with an arc surface 4472 near one end of the front end spiral blade 43, and adjacent two blocking plates 4471 are staggered.

[0053] In the embodiment, the blocking plate 4471 plays a role of filling the gap between the adjacent telescopic plates 441 (the gap between the adjacent telescopic plates 441 can cause a small amount of impurities to leak out when the front end screw flight 43 transports the impurities), when the telescopic plate 441 is retracted into the front end screw flight 43, due to the arc surface 4472 arranged on the blocking plate 4471, the arc surface 4472 is in contact with the outside of the front end screw flight 43, so that the arc surface 4472 is stressed, then the blocking plate 4471 is retracted into the telescopic plate 441, at the same time, the abutting spring 4473 is compressed, the sliding rod 4474 plays a guiding role, at this time, the telescopic plate 441 can enter into the front end screw flight 43, when the telescopic plate 441 is extended from the front end screw flight 43, the arc surface 4472 is not stressed by the outside of the front end screw flight 43, at this time, the abutting spring 4473 is stretched, driving the blocking plate 4471 to extend, the adjacent two blocking plates 4471 are staggered with each other, filling between the adjacent two telescopic plates 441, improving the transportation efficiency of the impurities.

[0054] As shown in Figure 6 , Figure 7 , Figure 12 and Figure 13 , the front end auger propulsion unit 4 and the rear end auger sludge discharge unit 5 are detachably connected through the connecting unit 6, the connecting unit 6 comprises a rear connecting assembly 61, the rear connecting assembly 61 comprises a rear connecting column 611, the rear connecting column 611 is externally in a hexagonal prism shape, the rear connecting column 611 is arranged at the tail end of the front end auger propulsion unit 4 and the rear end auger sludge discharge unit 5, the rear connecting column 611 is fixedly connected with a rectangular connecting seat 612 inside, the rectangular connecting seat 612 is provided with a connecting cavity 614, the rear connecting column 611 and the rectangular connecting seat 612 are provided with a rear screw hole 613 penetrating therethrough;

[0055] The connecting unit 6 further comprises a front connecting assembly 62, the front connecting assembly 62 comprises a front connecting column 621, the front connecting column 621 is internally in a hexagonal shape, the front connecting column 621 is adapted to the rear connecting column 611, the front connecting column 621 is fixedly connected with a rectangular connecting block 622 inside, the rectangular connecting block 622 is adapted to the connecting cavity 614, the rectangular connecting block 622 and the front connecting column 621 are provided with a front screw hole 623 penetrating therethrough;

[0056] The end of the front rotating pipe 41 is provided with a broken recovery unit 7, the broken recovery unit 7 includes a steel disc 71 fixedly connected to the front end of the front rotating pipe 41, the steel disc 71 is fixedly connected with a steel wire rope 72, the other end of the steel wire rope 72 is fixedly connected with a rectangular connecting seat 612 at the tail of the front rotating pipe 41, in the rear rotating pipe 51, the rectangular connecting block 622 and the rectangular connecting seat 612 are fixedly connected with the steel wire rope 72, the tail of the advancing platform 11 is provided with a hydraulic winch 73, by connecting the steel wire rope 72 and the hydraulic winch 73, the steel disc 71 is pulled out of the pipeline 100 by the steel wire rope 72; the front rotating pipe 41 and the rear rotating pipe 51 are connected by the steel wire rope 72, the connecting unit 6 connects the steel wire rope 72 in series, when the front rotating pipe 41 or the rear rotating pipe 51 is disconnected, at this time, the front rotating pipe 41 and the rear rotating pipe 51 cannot be pulled out according to the previous scheme, at this time, the traction rope on the hydraulic winch 73 is connected with the rectangular connecting seat 612 at the tail of the rear rotating pipe 51, then the hydraulic winch 73 is driven to work, so that the steel wire rope 72 pulls the steel disc 71 to move, at this time, the steel disc 71 can push the disconnected front rotating pipe 41 or rear rotating pipe 51 away from the pipeline 100, and the work of broken recovery is completed.

[0057] The tail of the middle shaft 125 is provided with a lubricating and cooling unit 8, the lubricating and cooling unit 8 includes a drainage channel 82 arranged in the middle shaft 125, the drainage channel 82 is connected with a water tank 81 through a water guide pipe, and the drainage channel 82 is supplied with water by a water pump of the water tank 81; when dredging, the water pump in the water tank 81 supplies water into the drainage channel 82 through the water guide pipe, the drainage channel 82 supplies water into the front rotating pipe 41 and the rear rotating pipe 51, and the water is discharged into the pipeline 100 through the front screw hole 623, the rear screw hole 613 and the gap at the connecting position, the water can form a lubricating layer between the spiral blade and the inner wall of the pipeline, effectively reducing the friction coefficient, playing a lubricating role, at the same time, taking away the heat generated by friction, realizing a cooling effect, preventing the danger of fire caused by friction between the triangular protruding cone 42 and the spiral blade and the inner wall of the petroleum pipeline;

[0058] In this embodiment, after the front end auger propulsion unit 4 enters the pipeline 100, since the pipeline 100 is long, a plurality of rear end auger sludge discharge units 5 need to be connected subsequently. When connecting, first control the driving motor 13 to work, drive the connecting head and the tail of the front end rotating pipe 41 to separate, then connect the tail of the rear end rotating pipe 51 and the connecting head 16 (the tail of the rear end rotating pipe 51 is the rear connecting column 611, which is matched with the connecting head 16), then control the driving motor 13 to drive the connecting head 16 and the rear end rotating pipe 51 to approach the front end rotating pipe 41, so that the front connecting column 621 of the rear end rotating pipe 51 is inserted into the rear connecting column 611 of the front end rotating pipe 41, at this time the rectangular connecting block 622 in the front connecting column 621 is inserted into the connecting cavity 614 in the rear connecting column 611, and the front screw hole 623 and the rear screw hole 613 are through, at this time the user uses the bolt to connect the front end rotating pipe 41 and the rear end rotating pipe 51, then the driving rotating unit 12 and the driving motor 13 drive the front end rotating pipe 41 and the rear end rotating pipe 51 to rotate and enter the pipeline 100 to carry out dredging work.

[0059] It should be understood that the first section uses the front end auger propulsion unit 4, because the front end of the front end auger propulsion unit 4 has a triangular protruding cone 42, and the front end helical blade 43 of the front end of the front end rotating pipe 41 is provided with a compensation structure 44, which is used for cleaning the corrosion area of the pipeline 100. Subsequently, since the pipeline 100 is long, the subsequent series are all rear end auger sludge discharge units 5, which mainly act on conveying impurities.

[0060] The working process is as follows:

[0061] First, the pipeline 100 to be cleaned is placed on the bracket, then the mechanical hand is operated to grab the front end auger propulsion unit 4, which is the first structure to enter the inside of the pipeline 100, the tail of the front end rotating pipe 41 in the front end auger propulsion unit 4 is connected with the connecting head 16, then the rotating unit 12 is operated to drive the front end rotating pipe 41 to rotate, at the same time, the driving motor 13 is used to drive the front end rotating pipe 41 to approach the pipeline 100, first, the triangular protruding cone 42 enters the inside of the pipeline 100, the rotating triangular protruding cone 42 can break larger attachments in the pipeline 100, at the same time, the front end spiral blade 43 on the front end rotating pipe 41 rotates, the rotating front end spiral blade 43 adheres to the inner wall of the pipeline 100, further breaks the attachments on the inner wall of the pipeline 100, at the same time, the rotating front end spiral blade 43 and the inner wall of the pipeline 100 cooperate, so that the broken attachments are conveyed out of the pipeline 100 by the front end spiral blade 43, and the inside of the pipeline 100 is dredged. In the above process, because the inside of the pipeline 100 is corroded in some positions, the cross section of the pipeline 100 is an irregular circle, which causes that when the front end rotating pipe 41 drives the front end spiral blade 43 to rotate, the irregular positions cannot be cleaned, therefore, in the present application, the front end spiral blade 43 is provided with a plurality of telescopic plates 441 which can be telescoped, when the front end rotating pipe 41 is in the inside of the pipeline 100, the telescopic plate 441 always abuts against the inner wall of the pipeline 100 under the elastic action of the elastic sheet 443, when the inner wall of the pipeline 100 is recessed, the telescopic plate 441 slides outward under the elastic action of the elastic sheet 443, so that the end of the telescopic plate 441 can extend into the bottom of the recess, thereby cleaning the attachments on the bottom of the recess, when the inner wall of the pipeline 100 is protruded, the telescopic plate 441 slides into the inside of the front end spiral blade 43 under the elastic action of the elastic sheet 443, the elastic sheet 443 is squeezed, so that the front end spiral blade 43 can pass through the protruded part in the pipeline 100. The corrosion area in the inside of the pipeline 100 can be considered, because the inner wall of the corrosion area is not smooth, it is more likely to cause the accumulation of impurities, therefore, it needs to be paid attention to, so as to improve the effect of dredging the pipeline 100.After the front end screw propelling unit 4 enters into the pipeline 100, since the pipeline 100 is long, a plurality of rear end screw sludge discharge units 5 need to be connected subsequently. When connecting, first, the driving motor 13 is controlled to work, the tail of the connecting head and the front end rotating pipe 41 is separated, then the tail of the rear end rotating pipe 51 and the connecting head 16 are connected, then the driving motor 13 is controlled to drive the connecting head 16 and the rear end rotating pipe 51 to approach the front end rotating pipe 41, so that the front connecting column 621 of the rear end rotating pipe 51 is inserted into the rear connecting column 611 of the front end rotating pipe 41, at this time, the rectangular connecting block 622 in the front connecting column 621 is inserted into the connecting cavity 614 in the rear connecting column 611, and the front screw hole 623 and the rear screw hole 613 are through, at this time, the user uses the bolt to connect the front end rotating pipe 41 and the rear end rotating pipe 51, then the driving rotating unit 12 and the driving motor 13 drive the front end rotating pipe 41 and the rear end rotating pipe 51 to rotate and enter into the pipeline 100 to carry out the dredging work. The first section uses the front end screw propelling unit 4, since the front end screw propelling unit 4 has the triangular protruding cone 42 at the front end, and the front end screw blade 43 of the front end part of the front end rotating pipe 41 is provided with the compensation structure 44, which is used for cleaning the corrosion area of the pipeline 100. Since the pipeline 100 is long, the subsequent ones are all the rear end screw sludge discharge units 5, which mainly function in conveying impurities.

[0062] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An intelligent pipeline dredging device, comprising a propulsion mechanism (1), the propulsion mechanism (1) comprising a front and rear moving propulsion platform (11), a rotating unit (12) being arranged on the propulsion platform (11) and used for driving a rotating connection head (16), characterized in that, The connecting head (16) is used for driving the front-end auger propulsion unit (4) and the rear-end auger sludge discharge unit (5) to rotate for cleaning the inside of the pipeline (100); The front-end auger propulsion unit (4) comprises a front-end rotating pipe (41), and equidistant front-end spiral blades (43) are arranged on the front-end rotating pipe (41); a compensation structure (44) for cleaning the corrosion part of the pipeline (100) is arranged on the front-end spiral blade (43) close to the head; the compensation structure (44) comprises a plurality of cavities (442) which are arranged in the front-end spiral blade (43); a telescopic plate (441) is slidably connected in the cavity (442); an elastic sheet (443) is arranged in the cavity (442); the telescopic plate (441) and the elastic sheet (443) are fixedly connected; the elastic sheet (443) uses its own elastic force to reset the telescopic plate (441) after sliding; and a filling assembly (447) is arranged between adjacent telescopic plates (441); The rear-end auger sludge discharge unit (5) comprises a rear-end rotating pipe (51), and equidistant rear-end spiral blades (52) are arranged on the rear-end rotating pipe (51); the pitch between the rear-end spiral blades (52) is smaller than the pitch of the front-end spiral blades (43); The front end of the front-end rotating pipe (41) is provided with a triangular protruding cone (42); a guide groove (444) is arranged in the cavity (442); the elastic sheet (443) is slidably connected in the guide groove (444); a guide rod (445) is slidably arranged in the middle of the elastic sheet (443); a reset spring (446) is nested on the guide rod (445); and the two ends of the reset spring (446) abut against the elastic sheet (443) and the inner wall of the cavity (442) respectively. The filling assembly (447) comprises a blocking plate (4471) which is slidably connected on one side of the telescopic plate (441); a sliding rod (4474) is fixedly connected to the side of the blocking plate (4471) close to the telescopic plate (441); the other end of the sliding rod (4474) is slidably inserted into the inside of the telescopic plate (441); a tight spring (4473) is nested on the sliding rod (4474); the tight spring (4473) fixedly connects the blocking plate (4471) and the telescopic plate (441); an arc surface (4472) is arranged on the end of the blocking plate (4471) close to the front-end spiral blade (43); and the two blocking plates (4471) are staggered with each other; The rotating unit (12) comprises a shell sleeve (121) which is arranged on the propulsion platform (11); a hydraulic motor (122) is fixedly connected to the back of the shell sleeve (121); a first gear (123) is arranged in the inside of the shell sleeve (121); the first gear (123) is driven by the hydraulic motor (122); a second gear (124) is engaged below the first gear (123); a middle shaft (125) is rotatably connected to the middle part of the second gear (124) through the teeth; the connecting head (16) is fixedly connected to the middle shaft (125); and the hydraulic motor (122) is driven by the hydraulic station (15). The front-end auger propulsion unit (4) and the rear-end auger sludge discharge unit (5) are detachably connected through a connecting unit (6), the connecting unit (6) comprises a rear connecting assembly (61), the rear connecting assembly (61) comprises a rear connecting column (611), the rear connecting column (611) is externally in the shape of a hexagonal prism, the rear connecting column (611) is arranged at the tail end of the front-end auger propulsion unit (4) and the rear-end auger sludge discharge unit (5), the rear connecting column (611) is fixedly connected with a rectangular connecting seat (612) internally, a connecting cavity (614) is formed in the rectangular connecting seat (612), and rear screw holes (613) are formed in the rear connecting column (611) and the rectangular connecting seat (612) and penetrate through.

2. The intelligent pipeline pigging apparatus as claimed in claim 1, wherein, The two sides of the shell sleeve (121) are fixedly connected with driving motors (13), the driving motors (13) drive the gear and the rack (14) to engage and transmit, so that the shell sleeve (121) moves, and the rack (14) is fixedly connected to the propulsion platform (11).

3. The intelligent pipeline pigging apparatus as claimed in claim 2, wherein, The connecting unit (6) further comprises a front connecting assembly (62), the front connecting assembly (62) comprises a front connecting column (621), the front connecting column (621) is internally in the shape of a hexagon, the front connecting column (621) is matched with the rear connecting column (611), the front connecting column (621) is fixedly connected with a rectangular connecting block (622) internally, the rectangular connecting block (622) is matched with the connecting cavity (614), and front screw holes (623) are formed in the rectangular connecting block (622) and the front connecting column (621) and penetrate through.

4. The intelligent pipeline pigging apparatus as claimed in claim 3, wherein, The front-end rotating pipe (41) is provided with a broken part recovery unit (7) at the end, the broken part recovery unit (7) comprises a steel disc (71), the steel disc (71) is fixedly connected to the front end of the front-end rotating pipe (41), the steel disc (71) is fixedly connected with a steel wire rope (72), the other end of the steel wire rope (72) is fixedly connected with the rectangular connecting seat (612) at the tail of the front-end rotating pipe (41), the rectangular connecting block (622) and the rectangular connecting seat (612) are fixedly connected with the steel wire rope (72) in the rear-end rotating pipe (51), and the tail of the propulsion platform (11) is provided with a hydraulic winch (73).

5. The intelligent pipeline cleaning apparatus as defined in claim 1, wherein, The tail of the middle shaft (125) is provided with a lubricating and cooling unit (8), the lubricating and cooling unit (8) comprises a drainage channel (82), the drainage channel (82) is arranged in the middle shaft (125), the drainage channel (82) is connected with a water tank (81) through a water guide pipe, and the drainage channel (82) is water-supplied by a water pump of the water tank (81).

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