Anti-blocking cutter suction dredger mud suction head

Abstract

The utility model relates to the technical field of dredgers, in particular to an anti-blocking cutter suction dredger mud suction head which comprises a suction head body, a first support is fixedly connected to the inner wall of the suction head body, a flange is fixedly connected to the interior of the first support, and a hollow pipe is rotatably connected to the interior of the flange. A gear ring is fixedly connected to the outer surface of the hollow pipe, an annular groove is formed in the inner wall of the suction head body, and an auger is fixedly connected to the outer surface of the hollow pipe. According to the device, the hollow pipe, the packing auger and other components are arranged, and the hollow pipe can drive the packing auger to rotate in the mud suction head through the mutual matching relation between the hollow pipe and the packing auger, so that the effect that silt on the inner wall of the mud suction head is scraped by arranging the hollow pipe and the packing auger is achieved; the defect that the mud suction head in the existing technical scheme is easy to block is overcome.

Description

Technical Field

[0001] The present application relates to the technical field of dredgers, and in particular to an anti-clogging suction head of a cutter-suction dredger. Background Art

[0002] The cutter suction dredger is a type of ship that is widely used in dredging projects. It uses a rotary cutter device installed around the front end of the suction pipe to cut and stir the riverbed sediment. The dredged sediment material is then transported to the sediment material storage site through the suction pipe with the help of a powerful pump. Its dredging, mud transportation, mud unloading and other work processes can be completed continuously at one time. It is a dredger with high efficiency and low cost, and is an excellent underwater excavation machine.

[0003] When a dredger is working, the suction head needs to transport the gravel and silt produced by the auger cutting. However, the silt and gravel easily adhere to the inner wall of the suction head during the transportation process, causing the suction head to be blocked and affecting work efficiency. Utility Model Content

[0004] In order to avoid clogging of the suction head, the present application provides an anti-clogging suction head for a cutter suction dredger.

[0005] The anti-clogging cutter suction dredger suction head provided in the present application adopts the following technical solution: the anti-clogging cutter suction dredger suction head includes a suction head body, the inner wall of the suction head body is fixedly connected to a first bracket, the interior of the first bracket is fixedly connected to a flange, the interior of the flange is rotatably connected to a hollow tube, the outer surface of the hollow tube is fixedly connected to a gear ring, the inner wall of the suction head body is provided with an annular groove, the outer surface of the hollow tube is fixedly connected to an auger, the outer surface of the suction head body is provided with a connecting groove, the outer surface of the suction head body is fixedly connected to a protective shell, and the inner wall of the protective shell is rotatably connected to a gear.

[0006] Optionally, one end of the suction head body is fixedly connected to a filter cover, and the other end of the suction head body is fixedly connected to a connecting tube.

[0007] Optionally, a groove is formed on the outer surface of the suction head body, and a motor is fixedly installed inside the groove.

[0008] Optionally, a second bracket is fixedly connected to the interior of the suction head body, and the interior of the second bracket is rotatably connected to the outer surface of the hollow tube.

[0009] Optionally, a plurality of spray holes are provided on the outer surface of the hollow tube, and each of the spray holes is communicated with the interior of the hollow tube.

[0010] Optionally, a water pump is fixedly mounted on the outer surface of the suction head body, and an output end of the water pump is fixedly connected to a water spray pipe.

[0011] Optionally, one end of the water spray pipe is fixedly connected to a steering pipe, and the other end of the steering pipe is fixedly connected to a flange.

[0012] In summary, this application has the following beneficial technical effects:

[0013] 1. The present application sets up components such as a hollow tube and an auger, and through the mutual cooperation between the hollow tube and the auger, the hollow tube can drive the auger to rotate inside the mud suction head, thereby achieving the effect of scraping the mud and sand on the inner wall of the mud suction head by setting up the hollow tube and the auger, and solving the problem that the mud suction head of the existing technical solution is easily blocked.

[0014] 2. The present application sets components such as flanges and steering tubes, and through the mutual cooperation between the flanges and the steering tubes, the water pump can inject water into the interior of the hollow tube through the connecting pipe, the steering tube and the flange, and spray it out from the spray hole, thereby achieving the effect of cleaning the interior of the mud suction head by setting the flanges and the steering tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the structure of the gear in the embodiment of the present application;

[0017] Figure 3 Schematic diagram of the external structure of the nozzle body in the embodiment of the present application;

[0018] Figure 4 This is a schematic diagram of the internal structure of the pipette tip body in an embodiment of the present application;

[0019] Figure 5 yes Figure 4 A schematic diagram of the structure at center A;

[0020] Figure 6 This is the structure of the hollow tube in the embodiment of the present application.

[0021] Figure numerals: 1. suction head body; 2. first bracket; 3. flange; 4. hollow tube; 5. gear ring; 6. annular groove; 7. auger; 8. connecting groove; 9. protective shell; 10. gear; 11. filter cover; 12. connecting pipe; 13. groove; 14. motor; 15. second bracket; 16. spray hole; 17. water pump; 18. water spray pipe; 19. steering pipe. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-6 This application is described in further detail.

[0023] The embodiment of the present application discloses a clogging-resistant cutter suction dredger suction head. Figure 1 、 2 As shown in Figures 3, 4, 5, and 6, the anti-clogging suction head of a cutter-suction dredger includes a suction head body 1, a water pump 17 is fixedly installed on the outer surface of the suction head body 1, and a water spray pipe 18 is fixedly connected to the inner wall of the suction head body 1, and a flange 3 is fixedly connected to the interior of the first bracket 2, and a hollow tube 4 is rotatably connected to the interior of the flange 3, and the flange 3 is connected to the interior of the hollow tube 4, and a gear ring 5 is fixedly connected to the outer surface of the hollow tube 4. An annular groove 6 is provided on the inner wall of the suction head body 1, and the annular groove 6 matches the gear ring 5. A connecting groove 8 is provided on the outer surface of the suction head body 1, and the connecting groove 8 is connected to the annular groove 6. An auger 7 is fixedly connected to the outer surface of the hollow tube 4, and the size of the auger 7 matches the inner diameter of the suction head body 1. The gear ring 5 drives the auger 7 to rotate through the hollow tube 4, thereby scraping off the mud and sand on the inner wall of the suction head body 1 to avoid clogging.

[0024] See also Figure 1 、 2 , 3, 4, 6, the outer surface of the suction head body 1 is fixedly connected to a protective shell 9, the inner wall of the protective shell 9 is rotatably connected to a gear 10, the gear 10 is engaged with the gear ring 5 through the connecting groove 8, so that the gear 10 can drive the auger 7 to rotate through the gear ring 5 and the hollow tube 4.

[0025] See also Figure 1 、 2 3. A groove 13 is formed on the outer surface of the nozzle body 1 , and a motor 14 is fixedly installed inside the groove 13 . The motor 14 is located inside the protective shell 9 , and the output end of the motor 14 is fixedly connected to the gear 10 .

[0026] See also Figure 1 One end of the suction head body 1 is fixedly connected to a filter cover 11, which is used to filter larger gravel. The other end of the suction head body 1 is fixedly connected to a connecting pipe 12, which is used to connect to a pipeline for transporting sediment.

[0027] See also Figure 4 、 6 The interior of the nozzle body 1 is fixedly connected to a second bracket 15, and the interior of the second bracket 15 is rotatably connected to the outer surface of the hollow tube 4. The second bracket 15 and the first bracket 2 are respectively located on both sides of the gear ring 5, and the second bracket 15 plays an auxiliary supporting role for the hollow tube 4.

[0028] See also Figure 1 、 46. One end of the water spray pipe 18 is fixedly connected to the steering pipe 19, and the other end of the steering pipe 19 is fixedly connected to the flange 3. The water spray pipe 18 is connected to the flange 3 through the steering pipe 19, so that the water pump 17 can inject high-pressure water into the interior of the hollow tube 4 through the water spray pipe 18, the steering pipe 19 and the flange 3.

[0029] See also Figure 6 The outer surface of the hollow tube 4 is provided with a plurality of spray holes 16 , each of which is connected to the interior of the hollow tube 4 . The water inside the hollow tube 4 is sprayed out through the spray holes 16 , thereby further cleaning the mud and sand on the inner wall of the suction head body 1 .

[0030] The implementation principle of one embodiment of the present application is as follows: when the mud suction head is working, the mud and sand flow into the interior of the suction head body 1 through the filter cover 11, completing the filtration of large-volume gravel, starting the motor 14, and the output end of the motor 14 drives the gear 10 to rotate inside the protective shell 9, the gear 10 drives the gear ring 5 to rotate inside the suction head body 1, the gear ring 5 drives the hollow tube 4 to rotate, the hollow tube 4 drives the auger 7 to rotate, and the auger 7 transports the mud and sand toward the connecting pipe 12 by rotation, and at the same time scrapes off the mud and sand attached to the inner wall of the suction head body 1, starting the water pump 17, the input end of the water pump 17 starts to absorb water and injects high-pressure water into the water spray pipe 18 from the output end, so that the high-pressure water flows into the interior of the hollow tube 4 through the steering pipe 19 and the flange 3 in turn, and is finally sprayed out from the spray hole 16, thereby cleaning the inner wall of the suction head body 1.

[0031] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An anti-clogging cutter suction dredger suction head, comprising a suction head body (1), characterized in that: The inner wall of the suction head body (1) is fixedly connected to a first bracket (2), the interior of the first bracket (2) is fixedly connected to a flange (3), the interior of the flange (3) is rotatably connected to a hollow tube (4), the outer surface of the hollow tube (4) is fixedly connected to a gear ring (5), the inner wall of the suction head body (1) is provided with an annular groove (6), the outer surface of the hollow tube (4) is fixedly connected to an auger (7), the outer surface of the suction head body (1) is provided with a connecting groove (8), the outer surface of the suction head body (1) is fixedly connected to a protective shell (9), and the inner wall of the protective shell (9) is rotatably connected to a gear (10).

2. The anti-clogging cutter suction dredger suction head according to claim 1, characterized in that: One end of the suction head body (1) is fixedly connected to a filter cover (11), and the other end of the suction head body (1) is fixedly connected to a connecting pipe (12).

3. The anti-clogging cutter suction dredger suction head according to claim 1, characterized in that: A groove (13) is provided on the outer surface of the suction head body (1), and a motor (14) is fixedly installed inside the groove (13).

4. The anti-clogging cutter suction dredger suction head according to claim 1, characterized in that: A second bracket (15) is fixedly connected to the interior of the suction head body (1), and the interior of the second bracket (15) is rotatably connected to the outer surface of the hollow tube (4).

5. The anti-clogging cutter suction dredger suction head according to claim 1, characterized in that: The outer surface of the hollow tube (4) is provided with a plurality of spray holes (16), and each of the spray holes (16) is communicated with the interior of the hollow tube (4).

6. The anti-clogging cutter suction dredger suction head according to claim 1, characterized in that: A water pump (17) is fixedly mounted on the outer surface of the suction head body (1), and a water spray pipe (18) is fixedly connected to the output end of the water pump (17).

7. The anti-clogging cutter suction dredger suction head according to claim 6, characterized in that: One end of the water spray pipe (18) is fixedly connected to a steering pipe (19), and the other end of the steering pipe (19) is fixedly connected to a flange (3).

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