CN219261162U

CN219261162U - Pressurizing system for floating underwater dredger

Info

Publication number: CN219261162U
Application number: CN202320162335.8U
Authority: CN
Inventors: 秦晓峰; 沈如健; 顾一鸣; 潘晓春; 郑锶炜
Original assignee: CCCC Guangzhou Dredging Co Ltd.
Current assignee: CCCC Guangzhou Dredging Co Ltd.
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-27
Anticipated expiration: 2033-02-09

Abstract

The pressurizing system for the submerged pipe floating of the submerged pipe of the cutter suction dredger is characterized in that a diesel engine on a small-sized ship is used as power, an exhaust port of the diesel engine is led into a single-hole air sealing disc through an exhaust steel pipe and a rubber hose, the single-hole air sealing disc is used for pressurizing and then is communicated with the submerged pipe, the gravity of the submerged pipe pipeline and the change of the buoyancy are utilized for controlling the floating of the pipeline, the diesel engine exhaust is used for inflating and pressurizing the pipe to float upwards, the gravity of the pipeline is smaller than the buoyancy after the muddy water in the submerged pipe is discharged, and the pipeline floats to the water surface. The utility model uses the small diesel engine, the exhaust steel pipe, the rubber hose, the single-hole gas sealing disc and the rubber sealing ring with low cost, thereby not only meeting the floating of the pipeline, but also reducing the time and labor consumption investment during the operation. The operation procedure is simple, the submarine pipeline can be effectively converted into the floating pipeline in a short time by connecting the diesel engine with the accessories, and the follow-up construction progress is ensured.

Description

Pressurizing system for floating underwater dredger

Technical Field

The utility model relates to the technical field of dredging construction of a channel dredger, in particular to a pressurizing system for floating an underwater dredger dredging submerged pipe.

Background

The underwater submerged pipe floating construction is used as a special water dredging matching technology, and is increasingly applied to engineering practice. Therefore, the conversion construction of the underwater submerged floating pipe on water is perfected, so that the method becomes an efficient, economical and convenient soil sampling construction method. When the cutter suction dredger is used for dredging a narrow channel, when the dredger pipeline spans the whole water area, the water surface navigation ship is blocked, the dredger water mud discharge pipeline adopts the underwater submarine pipeline construction technology, and meanwhile, a difficult problem is derived, and the underwater submarine pipeline is converted into a floating pipe construction technology.

At present, the construction technical method for converting the underwater submerged pipe into the floating pipe basically adopts a ship-borne air compressor and other methods with high cost, low efficiency and labor consumption.

Disclosure of Invention

The utility model provides a high-efficiency, economical and convenient pressurizing system for floating a submerged pipe, which saves time for the subsequent construction and transfer of a cutter suction dredger and is used for floating the submerged pipe of the cutter suction dredger, so as to solve the problems in the prior art.

According to one aspect of the utility model, a pressurization system for the submerged pipe floating of the submerged pipe of the cutter suction dredger is provided and is arranged on a small-sized ship, the pressurization system comprises a diesel engine, an exhaust steel pipe, a rubber hose and a single-hole air sealing disc, an exhaust port of the diesel engine is communicated with the rubber hose through the exhaust steel pipe, the single-hole air sealing disc comprises a plurality of fixing ports and an air inlet, an output end of the rubber hose is communicated with the air inlet, and the fixing ports are communicated with the submerged pipe.

On the basis of the scheme, preferably, the single-hole gas sealing disc is circular, the number of the fixing openings is 8, the fixing openings are uniformly distributed on the single-hole gas sealing disc, and the air inlet is positioned at the central position of the single-hole gas sealing disc.

On the basis of the scheme, preferably, a rubber sealing ring is arranged at the pipe orifice of the submerged pipe, and the air inlet is communicated with the submerged pipe through the rubber sealing ring.

The pressurizing system for the submerged pipe floating of the submerged pipe of the cutter suction dredger is characterized in that a diesel engine on a small-sized ship is used as power, an exhaust port of the diesel engine is led into a single-hole air sealing disc through an exhaust steel pipe and a rubber hose, the single-hole air sealing disc is used for pressurizing and then is communicated with the submerged pipe, the gravity of the submerged pipe pipeline and the change of the buoyancy are utilized for controlling the floating of the pipeline, the diesel engine exhaust is used for inflating and pressurizing the pipe to float upwards, the gravity of the pipeline is smaller than the buoyancy after the muddy water in the submerged pipe is discharged, and the pipeline floats to the water surface.

The utility model is mainly used for long-distance underwater submarine construction of a narrow channel, effectively and conveniently floats the constructed submarine, controls the length of the floating pipe according to the required distance, demolishs the submarine, starts continuous construction after the dredger moves to a cutting point to overlap a tail pipe, and saves precious time for subsequent construction transfer.

The utility model uses the small diesel engine, the exhaust steel pipe, the rubber hose, the single-hole gas sealing disc and the rubber sealing ring with low cost, thereby not only meeting the floating of the pipeline, but also reducing the time and labor consumption investment during the operation. The operation procedure is simple, the submarine pipeline can be effectively converted into the floating pipeline in a short time by connecting the diesel engine with the accessories, and the follow-up construction progress is ensured.

Drawings

FIG. 1 is a block diagram of a pressurized system for submerged floating of a dredger submerged dredger according to the present utility model;

FIG. 2 is a structural view of an exhaust pipe and a rubber hose according to the present utility model;

FIG. 3 is a side view of a single hole gas seal disk of the present utility model;

FIG. 4 is a bottom view of the single hole seal disk of the present utility model;

reference numerals illustrate:

the diesel engine 1, the exhaust steel pipe 3, the rubber hose 2 and the single-hole air sealing disc 4; a fixed port 41 and an air inlet 42.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In the embodiment shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various components of the utility model are not absolute but relative. These descriptions are appropriate when the components are in the positions shown in the drawings. If the description of the location of these components changes, then the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

Referring to fig. 1 in combination with fig. 2, 3 and 4, the pressurization system for floating a submerged pipe for a cutter suction dredger is installed on a small-sized ship, the pressurization system comprises a diesel engine 1, an exhaust steel pipe 3, a rubber hose 2 and a single-hole air sealing disc 4, an exhaust port of the diesel engine 1 is communicated with the rubber hose 2 through the exhaust steel pipe 3, the single-hole air sealing disc 4 comprises a plurality of fixing ports 41 and an air inlet 42, an output end of the rubber hose 2 is communicated with the air inlet 42, and the fixing ports 41 are communicated with the submerged pipe.

Specifically, the single-hole gas sealing disc 4 is circular, the number of the fixing holes 41 is 8, the fixing holes 41 are uniformly distributed on the single-hole gas sealing disc 4, and the gas inlet 42 is positioned at the center of the single-hole gas sealing disc 4.

In order to ensure the pressure of the exhaust gas of the diesel engine 1, the nozzle of the submerged pipe is provided with a rubber sealing ring, and the air inlet 42 is communicated with the submerged pipe in a sealing way through the rubber sealing ring.

According to the pressurizing system for floating the underwater dredger, the diesel engine 1 on a small-sized ship is used as power, the exhaust port of the diesel engine 1 is led into the single-hole air sealing disc 4 through the exhaust steel pipe 3 and the rubber hose 2, the single-hole air sealing disc 4 is used for pressurizing and then is communicated with the dredger, the gravity of the dredger pipeline and the change of the buoyancy are used for controlling the floating of the pipeline, the diesel engine 1 is used for exhausting, inflating and pressurizing the pipe to enable the dredger pipeline to float upwards, the gravity of the pipeline is smaller than the buoyancy after the muddy water in the dredger pipeline is discharged, and the pipeline floats to the water surface.

The utility model uses the small diesel engine 1, the exhaust steel pipe 3, the rubber hose 2, the single-hole gas sealing disc 4 and the rubber sealing ring with low cost, thereby not only meeting the floating of the pipeline, but also reducing the time and labor consumption investment during the operation. The operation procedure is simple, the submarine pipeline can be effectively converted into the floating pipeline in a short time by connecting the diesel engine 1 with the accessories, and the follow-up construction progress is ensured.

Finally, the methods of the present application are only preferred embodiments and are not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The pressurizing system for the submerged pipe floating of the submerged pipe of the cutter suction dredger is arranged on a small-sized ship and is characterized by comprising a diesel engine, an exhaust steel pipe, a rubber hose and a single-hole sealing disc, wherein an exhaust port of the diesel engine is communicated with the rubber hose through the exhaust steel pipe, the single-hole sealing disc comprises a plurality of fixing ports and an air inlet, an output end of the rubber hose is communicated with the air inlet, and the fixing ports are communicated with the submerged pipe.

2. The pressurization system for the submerged pipe of the cutter suction dredger, as set forth in claim 1, wherein the single hole sealing plate is circular, the number of the fixing openings is 8, the fixing openings are uniformly distributed on the single hole sealing plate, and the air inlet is located at the center of the single hole sealing plate.

3. The pressurization system for the submerged pipe of the cutter suction dredger for underwater dredge of the present utility model, wherein the pipe orifice of the submerged pipe is provided with a rubber sealing ring, and the air inlet is communicated with the submerged pipe through the rubber sealing ring.