Dredging wear-resistant pipeline for desilting ship

Abstract

The utility model discloses a dredging wear-resistant pipeline for a dredger, which comprises mounting flanges arranged at two ends of an HDPE (high-density polyethylene) dredging pipe, the mounting flanges are fixedly connected to the surface of the HDPE dredging pipe, an anti-corrosion buoyancy tank is arranged at the bottom of the middle of the HDPE dredging pipe, and the anti-corrosion buoyancy tank is connected with the HDPE dredging pipe. An inner cavity of the anti-corrosion buoyancy tank is divided into a sealing area and a movable area through a partition plate, the partition plate is transversely connected to the inner cavity of the anti-corrosion buoyancy tank, three adjusting grooves are defined by the left side and the right side of an inner cavity of the movable area through second fixing plates, and inner cavities of the adjusting grooves are slidably connected with pistons. The air cylinder drives the gear plate to slide downwards, so that the rotating rod is driven to rotate, the multiple pistons are driven to slide downwards to discharge water in the inner cavity of the adjusting groove, the buoyancy of the anti-corrosion floating box is increased, the buoyancy of the HDPE dredging pipe is flexibly adjusted according to requirements, and the practicability of the HDPE dredging pipe is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of dredging pipelines, in particular to a dredging wear-resistant pipeline for a dredging ship. Background Art

[0002] Dredging engineering refers to the earthwork engineering carried out by underwater excavation with dredgers or other machines and manual labor to widen and deepen the water area. When using dredging pipes, objects such as gravel are often transported, which causes serious wear of the dredging pipes. In order to improve the wear-resistant life of dredging pipes, high-density polyethylene materials are generally used to make dredging pipes, commonly known as HDPE dredging pipes.

[0003] When dredging ships are pumping sand, they need to use buoys to support the dredging pipes so that they float on the sea surface. At that time, due to the different proportions of crushed sand and gravel transported by the dredging pipes, the gravity of the dredging pipes during transportation will change, and traditional dredging pipes cannot adjust the buoyancy according to demand. Therefore, it is necessary to design a dredging wear-resistant pipe for dredging ships to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a wear-resistant dredging pipe for a dredging ship to solve the technical problems mentioned in the above background technology.

[0005] The utility model solves the above-mentioned technical problems with the following technical solutions: A dredging wear-resistant pipe for dredging ships, comprising mounting flanges arranged at both ends of a HDPE dredging pipe: the mounting flange is fixedly connected to the surface of the HDPE dredging pipe, an anti-corrosion buoy is arranged at the bottom of the middle part of the HDPE dredging pipe, the anti-corrosion buoy, the inner cavity of the anti-corrosion buoy is divided into two sealing areas and an active area by a partition, the partition is transversely connected to the inner cavity of the anti-corrosion buoy, the left and right sides of the inner cavity of the active area are surrounded by two fixed plates to form three adjustment grooves, the inner cavity of the adjustment groove is slidably connected with a piston, the top of the piston is fixedly connected with a gear plate, the gear plate slides up and down in the inner cavity of the active area, the left and right sides of the inner cavity of the active area are both transversely rotatably connected with a rotating rod, three gears are fixedly connected to the surface of the rotating rod, the gears are meshed with the gear plate, the inner cavity of the sealing area is installed with a cylinder, the output end of the cylinder extends to the inner cavity of the active area and is fixedly connected to the top of the gear plate, and a drain pipe is arranged at the bottom of the inner cavity of the adjustment groove.

[0006] Preferably, a sealing ring is bonded to the front side of the HDPE dredging pipe, and a slot for use with the sealing ring is provided on the rear side of the HDPE dredging pipe.

[0007] Preferably, a fixed plate 1 is fixedly connected to the four sides of the inner cavity of the activity area, and the fixed plate 1 and the anti-corrosion buoyancy box form a sealed water inlet balance area.

[0008] Preferably, a water inlet pipe is provided at the bottom of the inner cavity of the sealed water inlet balancing area.

[0009] Preferably, a filter screen is provided at the bottom of the inner cavity of the drain pipe.

[0010] Preferably, the anti-corrosion pontoon is detachably connected to the bottom of the HDPE dredging pipe, a fixing hoop is rotatably connected to the right side of the top of the anti-corrosion pontoon, two threaded rods are fixedly connected to the left side of the top of the anti-corrosion pontoon, a through groove for use with the threaded rod is opened on the left side of the fixing hoop, a nut is threadedly connected to the surface of the threaded rod, and an installation groove for use with the nut is opened on the top of the left side of the fixing hoop.

[0011] 1. The beneficial effect of the utility model is: the utility model drives the gear plate to slide down through the cylinder, thereby driving the rotating rod to rotate, and then driving multiple pistons to slide down to discharge the water in the inner cavity of the adjustment groove, thereby increasing the buoyancy of the anti-corrosion buoyancy box, and then realizing flexible adjustment of the buoyancy of the HDPE dredging pipe according to demand, thereby improving the practicality of the HDPE dredging pipe.

[0012] 2. The utility model can flexibly disassemble the anti-corrosion buoy through the detachable connection setting of the anti-corrosion buoy, thereby facilitating the transportation and storage of the HDPE dredging pipe.

[0013] 3. The utility model can conveniently lock the anti-corrosion buoy on the surface of the HDPE dredging pipe by setting the fixing hoop. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or other advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings, which are only schematic and do not limit the present invention, wherein:

[0015] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0016] Figure 2 For an embodiment of the utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 A bottom perspective view of an embodiment of the utility model;

[0018] Figure 4 This is a partial cross-sectional view of a front view of an embodiment of the utility model;

[0019] Figure 5 This is a partial cross-sectional view of an anti-corrosion buoyancy tank according to an embodiment of the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. HDPE dredging pipe, 2. Mounting flange, 3. Sealing ring, 4. Anti-corrosion buoyancy box, 5. Partition, 6. Activity area, 7. Fixed plate 1, 8. Sealed water inlet balance area, 9. Fixed plate 2, 10. Adjustment groove, 11. Piston, 12. Gear plate, 13. Rotating rod, 14. Gear, 15. Cylinder, 16. Drain pipe, 17. Water inlet pipe, 18. Fixed hoop, 19. Threaded rod, 20. Through groove, 21. Nut, 22. Mounting groove. DETAILED DESCRIPTION

[0022] Hereinafter, embodiments of the dredging wear-resistant pipe for a dredging ship of the present invention will be described with reference to the accompanying drawings.

[0023] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0024] The drawings of this specification are schematic diagrams, which assist in explaining the concept of the utility model and schematically show the shapes of various parts and their mutual relationships. Please note that in order to clearly show the structure of various components of the embodiments of the utility model, the drawings are not drawn according to the same scale. The same reference numerals are used to represent the same parts.

[0025] Figure 1-5The utility model shows an embodiment of a wear-resistant dredging pipe for a dredging ship, which includes mounting flanges 2 arranged at both ends of a HDPE dredging pipe 1: the mounting flanges 2 are fixedly connected to the surface of the HDPE dredging pipe 1, a sealing ring 3 is bonded to the front side of the HDPE dredging pipe 1, a card slot used in conjunction with the sealing ring 3 is provided on the rear side of the HDPE dredging pipe 1, and an anti-corrosion buoyancy tank 4 is arranged at the bottom of the middle part of the HDPE dredging pipe 1, and the inner cavity of the anti-corrosion buoyancy tank 4 is divided into two sealing areas and an active area 6 by a partition 5, and the partition 5 is horizontally connected In the inner cavity of the anti-corrosion pontoon 4, a fixed plate 7 is fixedly connected around the inner cavity of the activity area 6. The fixed plate 7 and the anti-corrosion pontoon 4 form a sealed water inlet balance area 8. A water inlet pipe 17 is arranged at the bottom of the inner cavity of the sealed water inlet balance area 8. The left and right sides of the inner cavity of the activity area 6 are surrounded by a fixed plate 29 to form three adjustment grooves 10. The inner cavity of the adjustment groove 10 is slidably connected with a piston 11. The top of the piston 11 is fixedly connected with a gear plate 12. The gear plate 12 slides up and down in the inner cavity of the activity area 6. The left and right sides of the inner cavity of the activity area 6 are both connected with a rotating gear for transverse rotation. Rod 13, three gears 14 are fixedly connected to the surface of the rotating rod 13, the gears 14 are meshed with the gear plate 12, a cylinder 15 is installed in the inner cavity of the sealing area, the output end of the cylinder 15 extends to the inner cavity of the active area 6 and is fixedly connected to the top of the gear plate 12, a drain pipe 16 is arranged at the bottom of the inner cavity of the adjustment tank 10, a filter screen is arranged at the bottom of the inner cavity of the drain pipe 16, the anti-corrosion buoy 4 is detachably connected to the bottom of the HDPE dredging pipe 1, and the anti-corrosion buoy 4 can be flexibly disassembled through the detachable connection setting of the anti-corrosion buoy 4 , so as to facilitate the transportation and storage of the HDPE dredging pipe 1. The right side of the top of the anti-corrosion pontoon 4 is rotatably connected with a fixing hoop 18. Through the setting of the fixing hoop 18, the anti-corrosion pontoon 4 can be conveniently locked on the surface of the HDPE dredging pipe 1. The left side of the top of the anti-corrosion pontoon 4 is fixedly connected with two threaded rods 19. The left side of the fixing hoop 18 is provided with a through groove 20 used in conjunction with the threaded rod 19. The surface of the threaded rod 19 is threadedly connected with a nut 21. The top of the left side of the fixing hoop 18 is provided with an installation groove 22 used in conjunction with the nut 21.

[0026] Working principle: When the utility model is used, the user fills the inner cavity of the sealed water inlet balance area 8 with water, thereby lowering the center of gravity of the anti-corrosion buoyancy box 4 and the HDPE dredging pipe 1, improving the stability of the HDPE dredging pipe 1 and the anti-corrosion buoyancy box 4 when floating, and avoiding the HDPE dredging pipe 1 and the anti-corrosion buoyancy box 4 from turning over when working. When it is necessary to increase the buoyancy of the anti-corrosion buoyancy box 4 so that the HDPE dredging pipe 1 and the discharge pipe of the dredging ship remain horizontal, the cylinder 15 drives the gear plate 12 to slide down, thereby driving the rotating rod 13 and the gear 14 to rotate, and the gear 14 and the gear plate 12 The meshing of the gear plates 12 and the pistons 11 drives the multiple gear plates 12 and the pistons 11 to slide down, and then the water in the inner cavity of the adjustment groove 10 is discharged through the drain pipe 16, reducing the overall water volume of the anti-corrosion pontoon 4, thereby increasing the buoyancy of the anti-corrosion pontoon 4, and then realizing flexible adjustment of the buoyancy of the HDPE dredging pipe 1 according to demand, thereby improving the practicality of the HDPE dredging pipe 1. The device uses multiple pistons 11 and adjustment grooves 10 in coordination. When some pistons 11 fail, some pistons 11 can still be used, thereby continuing to adjust the buoyancy and increasing the service life of the device.

[0027] To sum up: the dredging wear-resistant pipe for dredging ships drives the gear plate 12 to slide down through the cylinder 15, thereby driving the rotating rod 13 to rotate, and then driving multiple pistons 11 to slide down to discharge the water in the inner cavity of the adjustment groove 10, thereby increasing the buoyancy of the anti-corrosion buoyancy box 4, and then realizing flexible adjustment of the buoyancy of the HDPE dredging pipe 1 according to needs, thereby improving the practicality of the HDPE dredging pipe 1.

[0028] The technical features disclosed above are not limited to the disclosed combinations with other features. Those skilled in the art may also make other combinations between the technical features according to the purpose of the utility model to achieve the purpose of the utility model.

Claims

1. A dredging wear-resistant pipe for a dredging ship, characterized in that: The invention comprises mounting flanges (2) arranged at both ends of a HDPE dredging pipe (1): the mounting flanges (2) are fixedly connected to the surface of the HDPE dredging pipe (1); an anti-corrosion buoy (4) is arranged at the bottom of the middle part of the HDPE dredging pipe (1); the inner cavity of the anti-corrosion buoy (4) is divided into two sealing areas and a movable area (6) by a partition (5); the partition (5) is transversely connected to the inner cavity of the anti-corrosion buoy (4); the left and right sides of the inner cavity of the movable area (6) are surrounded by a second fixing plate (9) to form three adjustment grooves (10); the inner cavity of the adjustment groove (10) is slidably connected to a piston (11); 1), the top of the piston (11) is fixedly connected to a gear plate (12), the gear plate (12) slides up and down in the inner cavity of the active area (6), the left and right sides of the inner cavity of the active area (6) are both laterally rotatably connected to a rotating rod (13), the surface of the rotating rod (13) is fixedly connected to three gears (14), the gears (14) and the gear plate (12) are meshed, the inner cavity of the sealing area is equipped with a cylinder (15), the output end of the cylinder (15) extends to the inner cavity of the active area (6) and is fixedly connected to the top of the gear plate (12), and the bottom of the inner cavity of the adjustment groove (10) is provided with a drain pipe (16).

2. The wear-resistant dredging pipe for dredging vessels according to claim 1, characterized in that: A sealing ring (3) is bonded to the front side of the HDPE dredging pipe (1), and a slot for use with the sealing ring (3) is provided on the rear side of the HDPE dredging pipe (1).

3. The wear-resistant dredging pipe for dredging vessels according to claim 2, characterized in that: A fixed plate (7) is fixedly connected around the inner cavity of the activity area (6), and the fixed plate (7) and the anti-corrosion buoyancy box (4) form a sealed water inlet balance area (8).

4. The wear-resistant dredging pipe for dredging vessels according to claim 3 is characterized in that: A water inlet pipe (17) is provided at the bottom of the inner cavity of the sealed water inlet balance area (8).

5. The wear-resistant dredging pipe for dredging vessels according to claim 4, characterized in that: A filter screen is provided at the bottom of the inner cavity of the drainage pipe (16).

6. The wear-resistant dredging pipe for dredging vessels according to claim 5, characterized in that: The anti-corrosion buoy (4) is detachably connected to the bottom of the HDPE dredging pipe (1); the right side of the top of the anti-corrosion buoy (4) is rotatably connected to a fixing hoop (18); the left side of the top of the anti-corrosion buoy (4) is fixedly connected to two threaded rods (19); the left side of the fixing hoop (18) is provided with a through groove (20) for use with the threaded rod (19); the surface of the threaded rod (19) is threadedly connected to a nut (21); and the top of the left side of the fixing hoop (18) is provided with a mounting groove (22) for use with the nut (21).

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