Sludge cleaning rake suction pipe for ship

Abstract

The utility model relates to the technical field of sludge cleaning rakes, and discloses a marine sludge cleaning rake suction pipe, which comprises a sludge suction assembly, an anti-blocking assembly arranged at the lower end of the sludge suction assembly, and a flushing assembly mounted on one side of the sludge suction assembly, and is characterized in that the sludge suction assembly comprises two sludge suction pipe bodies, and a connecting pipe is mounted between the two sludge suction pipe bodies; one end of the mud suction pipe body is communicated with a dredging rake, the anti-blocking assembly comprises a protective cover installed on the dredging rake, the lower bottom face of the protective cover is fixedly connected with an anti-blocking strip, the inner wall of the protective cover is fixedly connected with an installation frame, a cutting frame is installed on the installation frame, the flushing assembly comprises two steel pipe sections, the steel pipe sections are arranged, and a hose section is installed between the two steel pipe sections. A dredging rake communicates with the steel pipe section, large-size garbage is blocked through the anti-blocking strip, then the cutting frame is made to rotate through sludge and water flow, and small garbage in the sludge is smashed to prevent blocking.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge cleaning rakes, in particular to a marine sludge cleaning rake suction pipe. Background Technique

[0002] Dredging refers to the process of excavating underwater soil such as sediment, earth and rock by means of manual, hydraulic and mechanical means and transporting them to other places. Usually, a trailing suction hopper dredger is used as the main dredging equipment, and the suction pipe is an important equipment for transporting sediment to the trailing suction hopper dredger.

[0003] Chinese patent document CN216339774U discloses a suction pipe for a trailing suction hopper dredger, including a mud suction pipe. The two ends of the mud suction pipe are respectively connected to the hull of the trailing suction hopper dredger and the drag head. It also includes a flushing pipe and a connecting pipe. The flushing pipe is fixed on the outer wall of the mud suction pipe, and the connecting pipe is arranged on the pipeline of the mud suction pipe; the connecting pipe includes a connecting pipe body, a connecting pipe outer sleeve and a connecting flange. The connecting pipe outer sleeve is sleeved outside the connecting pipe body, and the connecting flange is sleeved outside the connecting pipe body. A sealing component is arranged between the connecting pipe body and the connecting flange. The connecting pipe body and the connecting pipe outer sleeve are connected by a connecting component. The sealing component includes a sealing ring and a spring. However, this dredging device does not have a corresponding anti-blocking device. Some garbage will be mixed in the sludge, which is easy to block the mud suction pipe during the dredging process, thus affecting the overall dredging progress. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the existing dredging device does not have a corresponding anti-blocking device, and some garbage will be mixed in the sludge, which is easy to block the mud suction pipe during the dredging process, thus affecting the overall dredging progress, and to propose a marine sludge cleaning rake suction pipe.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: A marine sludge cleaning rake suction pipe includes a mud suction component. A anti-blocking component is arranged at the lower end of the mud suction component, and a flushing component is installed on one side of the mud suction component. The mud suction component includes two mud suction pipe bodies. A connecting pipe is installed between the two mud suction pipe bodies. One end of the mud suction pipe body is connected to a dredging rake. The anti-blocking component includes a protective cover installed on the dredging rake. An anti-blocking strip is fixedly connected to the lower bottom surface of the protective cover. A mounting frame is fixedly connected to the inner wall of the protective cover. A cutting frame is installed on the mounting frame. The flushing component includes a steel pipe section. There are two steel pipe sections. A hose section is installed between the two steel pipe sections. The steel pipe section is connected to the dredging rake.

[0006] Preferably, one end of the sludge suction pipe body is fixedly connected with a flange A, a sealing ring is arranged on one side of the flange A, a through hole A is opened on the flange A, both ends of the connecting pipe are fixedly connected with a flange B, a through hole B is opened on the flange B, one end of a bolt respectively penetrates through the through hole A and the through hole B, and the sludge suction pipe body and the connecting pipe are fixedly installed together, and bolts are arranged on the flange A;

[0007] It is used to quickly connect the sludge suction pipe body and the connecting pipe together through bolts.

[0008] Preferably, an installation ring A is arranged on one side of the flange A, an installation groove is opened on the installation ring A, the outer surface of the sealing ring is movably connected to the installation groove, a spring is fixedly connected to the lower bottom surface of the installation ring A, and one end of the spring is fixedly connected to the flange A;

[0009] It is used to increase the sealing performance between the sludge suction pipe body and the connecting pipe.

[0010] Preferably, a plurality of sludge suction holes are opened on the protective cover;

[0011] It is used to conveniently suck the sludge into the sludge suction pipe body through the protective cover.

[0012] Preferably, threads are opened on the outer surface of the upper end of the protective cover, and thread grooves are opened on the dredging rake, and the outer surface of the thread is threadedly connected to the thread groove;

[0013] It is used to conveniently remove the protective cover from the dredging rake for cleaning.

[0014] Preferably, the cutting frame includes an installation ring B, the installation ring B is movably installed on the installation frame through a pin, and cutting blades are fixedly connected to the outer side surface of the installation ring B;

[0015] It is used to crush the garbage entering the dredging rake to prevent blockage.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. For a marine sludge cleaning rake suction pipe proposed by the utility model, by setting an anti-blocking component, the sludge is sucked from the protective cover through the suction force generated by the sludge suction pipe body, the large-volume garbage is blocked by the anti-blocking strip, and the cutting frame is rotated by the sludge and water flow to crush the small garbage in the sludge to prevent blockage.

[0018] 2. For a marine sludge cleaning rake suction pipe proposed by the utility model, by setting a sludge suction component, after the sealing ring is placed on the installation ring, the sludge suction pipe body and the connecting pipe are installed together through bolts, and the spring further squeezes the sealing ring through the reverse acting force to improve the sealing performance between the sludge suction pipe body and the connecting pipe. Brief Description of the Drawings

[0019] Figure 1 Schematic diagram of the overall structure of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0020] Figure 2 Schematic diagram of the overall structure of the sludge suction assembly of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0021] Figure 3 Schematic diagram of the overall structure of the anti-blocking assembly of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0022] Figure 4 Schematic diagram of the overall structure of the suction pipe body of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0023] Figure 5 Schematic diagram of the overall structure of the connecting pipe of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0024] Figure 6 Schematic diagram of the overall structure of the mounting ring of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0025] Figure 7 Schematic diagram of the overall structure of the cutting frame of a marine sludge cleaning rake suction pipe proposed by the present utility model;

[0026] Legend description:

[0027] 1. Sludge suction assembly; 11. Suction pipe body; 12. Flange A; 121. Through hole A; 122. Mounting ring A; 123. Mounting groove; 124. Spring; 13. Sealing ring; 14. Connecting pipe; 141. Flange B; 142. Through hole B; 15. Dredging rake; 151. Thread groove; 16. Bolt; 2. Anti-blocking assembly; 21. Protective cover; 211. Suction hole; 212. Thread; 22. Anti-blocking strip; 23. Mounting frame; 24. Cutting frame; 241. Mounting ring B; 242. Cutting blade; 3. Flushing assembly; 31. Steel pipe section; 32. Hose section. Specific implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is 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. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installation", "connection", "coupling" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Referring to Figure 1-7 , an embodiment provided by the present utility model: a marine sludge cleaning rake suction pipe, which includes two sludge suction assemblies 1. A clogging prevention assembly 2 is arranged at the lower end of the sludge suction assembly 1, and a flushing assembly 3 is installed on one side of the sludge suction assembly 1. The sludge suction assembly 1 includes a sludge suction pipe body 11. A connecting pipe 14 is installed between the two sludge suction pipe bodies 11 to increase the mobility of the entire device. One end of the sludge suction pipe body 11 is connected to a dredging rake 15. The clogging prevention assembly 2 includes a protective cover 21 installed on the dredging rake 15 to prevent the sludge suction pipe body 11 from being clogged. A clogging prevention strip 22 is fixedly connected to the lower bottom surface of the protective cover 21 to block large-volume garbage from entering the protective cover 21. An installation frame 23 is fixedly connected to the inner wall of the protective cover 21, and a cutting frame 24 is installed on the installation frame 23 to cut the garbage entering the protective cover 21 to prevent clogging. The flushing assembly 3 includes a steel pipe section 31. The steel pipe section 31 has two sections for flushing the dredging rake 15. A hose section 32 is installed between the two steel pipe sections 31 to increase the movement range of the flushing assembly 3. One end of the steel pipe section 31 is connected to the dredging rake 15.

[0031] One end of the sludge suction pipe body 11 is fixedly connected with a flange A12. A sealing ring 13 is arranged on one side of the flange A12. A through hole A121 is opened on the flange A12. Both ends of the connecting pipe 14 are fixedly connected with flanges B141. Through holes B142 are opened on the flanges B141. One end of a bolt 16 respectively penetrates through the through hole A121 and the through hole B142, fixing and installing the sludge suction pipe body 11 and the connecting pipe 14 together. And bolts 16 are arranged on the flange A12. The sludge suction pipe body 11 and the connecting pipe 14 can be quickly installed together through the bolts 16. An installation ring A122 is arranged on one side of the flange A12. An installation groove 123 is opened on the installation ring A122. The outer surface of the sealing ring 13 is movably connected with the installation groove 123. The lower bottom surface of the installation ring A122 is fixedly connected with a spring 124. One end of the spring 124 is fixedly connected with the flange A12. After the sludge suction pipe body 11 and the connecting pipe 14 are installed together, a reverse force is provided by the spring 124 to further press the sealing ring 13, increasing the sealing performance between the sludge suction pipe body 11 and the connecting pipe 14. Multiple sludge suction holes 211 are opened on the protective cover 21, facilitating the entry of sludge into the protective cover 21. External threads 212 are opened on the outer surface of the upper end of the protective cover 21. Thread grooves 151 are opened on the dredging rake 15. The external threads of the external threads 212 are threadedly connected with the thread grooves 151. The external threads 212 are threadedly connected with the dredging rake 15, facilitating the installation or removal of the protective cover 21 on the dredging rake 15. The cutting frame 24 includes an installation ring B241. The installation ring B241 is movably installed on the installation frame 23 through a pin. Cutting blades 242 are fixedly connected to the outer side surface of the installation ring B241, cutting the garbage entering the protective cover 21.

[0032] Working principle: First, the sludge suction pipe body 11 and the connecting pipe 14 are quickly installed together through the bolts 16, and a reverse force is provided by the spring 124 to further compress the sealing ring 13, thereby increasing the sealing performance between the sludge suction pipe body 11 and the connecting pipe 14. A suction force is provided to the sludge suction pipe body 11 by a suction pump on the ship. When sucking sludge, the anti-blocking strip 22 blocks large pieces of garbage from entering the sludge suction pipe body 11 to prevent blockage. At the same time, during the suction process, the water flow and sludge drive the cutting frame 24 to rotate, cutting small pieces of garbage entering the protective cover 21 to prevent blockage.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A marine sludge cleaning rake suction pipe, comprising a sludge suction assembly (1), an anti-blocking assembly (2) being arranged at the lower end of the sludge suction assembly (1), and a flushing assembly (3) being installed at one side of the sludge suction assembly (1), characterized in that: The mud suction assembly (1) comprises two mud suction pipe bodies (11), a connecting pipe (14) is installed between the two mud suction pipe bodies (11), one end of the mud suction pipe body (11) is connected to a dredging rake (15), the anti-blocking assembly (2) comprises a protective cover (21) installed on the dredging rake (15), the lower bottom surface of the protective cover (21) is fixedly connected to an anti-blocking strip (22), the inner wall of the protective cover (21) is fixedly connected to a mounting frame (23), and a cutting frame (24) is installed on the mounting frame (23), and the flushing assembly (3) comprises a steel pipe section (31), the steel pipe section (31) is provided with two sections, a hose section (32) is installed between the two steel pipe sections (31), and the steel pipe section (31) is connected to the dredging rake (15).

2. A marine sludge cleaning rake suction pipe according to claim 1, characterized in that: One end of the mud suction pipe body (11) is fixedly connected to a flange A (12), one side of the flange A (12) is provided with a sealing ring (13), the flange A (12) is provided with a through hole A (121), both ends of the connecting pipe (14) are fixedly connected to flanges B (141), the flange B (141) is provided with a through hole B (142), one end of a bolt (16) passes through the through hole A (121) and the through hole B (142) respectively, so that the mud suction pipe body (11) and the connecting pipe (14) are fixedly installed together, and the flange A (12) is provided with a bolt (16).

3. A marine sludge cleaning rake suction pipe according to claim 2, characterized in that: A mounting ring A (122) is provided on one side of the flange A (12), a mounting groove (123) is provided on the mounting ring A (122), an outer surface of the sealing ring (13) is movably connected to the mounting groove (123), a spring (124) is fixedly connected to the bottom surface of the mounting ring A (122), and one end of the spring (124) is fixedly connected to the flange A (12).

4. A marine sludge cleaning rake suction pipe according to claim 1, characterized in that: The protective cover (21) is provided with a plurality of groups of mud suction holes (211).

5. A marine sludge cleaning rake suction pipe according to claim 1, characterized in that: The upper outer surface of the protective cover (21) is provided with a thread (212), the dredging rake (15) is provided with a thread groove (151), and the outer surface of the thread (212) is threadedly connected to the thread groove (151).

6. A marine sludge cleaning rake suction pipe according to claim 1, characterized in that: The cutting frame (24) comprises a mounting ring B (241), the mounting ring B (241) is movably mounted on the mounting frame (23) through a latch, and a cutting blade (242) is fixedly connected to the outer surface of the mounting ring B (241).

Images