CN217923814U

CN217923814U - Mud suction pipeline of cutter suction dredger with nearby discharge function

Info

Publication number: CN217923814U
Application number: CN202221435243.4U
Authority: CN
Inventors: 张宏喆; 王曦巍; 张伟
Original assignee: CCCC Tianjin Dredging Co Ltd; CCCC Tianjin Dredging Engineering Co Ltd
Current assignee: CCCC Tianjin Dredging Co Ltd; CCCC Tianjin Dredging Engineering Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-29
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a cutter suction dredger's mud pipe way of inhaling with function of releasing nearby. The device comprises a pipe shell consisting of a straight pipe shell and a conical pipe shell, wherein a pipe shell support is arranged at the upper part of the straight pipe shell, a reamer hydraulic motor is arranged in the conical pipe shell, a reamer is arranged on an output shaft of the reamer hydraulic motor, and a slurry straight pipe is arranged below the conical pipe shell; the mud pump is arranged inside the straight pipe shell, an inlet of the mud pump is connected with the mud straight pipe through the mud bent pipe, a Y-shaped output pipe is arranged at an outlet of the mud pump, a first hydraulic gate valve is arranged on a pipe orifice of the Y-shaped output pipe, a second hydraulic gate valve is arranged on the other pipe orifice of the Y-shaped output pipe, an outlet of the second hydraulic gate valve faces to the side, a conveying straight pipe is arranged at an outlet of the first hydraulic gate valve, and the upper end of the conveying straight pipe is connected with the conveying bent pipe. The utility model discloses a inhale dredge pipeline and make cutter suction dredger can change between dredging construction and pipe ditch excavation construction two kinds of states.

Description

Mud suction pipeline of cutter suction dredger with nearby discharge function

Technical Field

The utility model belongs to the technical field of the construction equipment is dredged, especially, relate to a cutter suction dredger's mud sucking pipe way with function of releasing nearby.

Background

A cutter suction dredger is a dredging construction device, which utilizes a rotating reamer to loosen silt on the river bottom or the seabed, mixes the silt with water to form slurry, sucks the slurry into a pump body through a suction pipe and sends the slurry to a sludge discharge area through a sludge discharge pipe. When the cutter suction dredger is constructed, dredging, mud conveying and mud discharging are integrated, the self-completion is realized, and the production efficiency is higher. The device is suitable for dredging inland river and lake regions with small storms and low flow velocity and ports along the sea, is suitable for excavating soil such as sand, sandy loam, sludge and the like, and can excavate clay after adopting a toothed reamer. The cutter suction dredger plays an important role in various dredging construction projects. In the construction mode, a reamer is lowered to the underwater mud surface, the reamer is started and the ship is controlled to run along the path of the pipe trench, and then the reamer excavates the pipe trench on the path of the underwater to form the pipe trench.

However, dredging construction using a cutter suction dredger is a completely different construction type from trench excavation construction. In the dredging construction, the excavated slurry is delivered to a sludge discharge area through a slurry pipeline, and in the pipe ditch excavating construction, because the pipe ditch needs to be backfilled after cables are embedded, the excavated soil cannot be discharged, but should be discharged nearby, namely, the excavated soil is stacked at the side position of the pipe ditch. The existing cutter suction dredger does not have the function of discharging excavated soil nearby, so that structural optimization design needs to be carried out on a sludge suction pipeline, and meanwhile, the main application scene of the cutter suction dredger is dredging construction, and the pipe trench excavation construction is only applied in a specific scene, so that the design of the sludge suction pipeline can meet the dual requirements of dredging construction and pipe trench excavation construction.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known technology and provide a rational in infrastructure design's cutter suction dredger that has the function of releasing nearby's suction dredge pipeline, make the cutter suction dredger can change between dredging construction and pipe ditch excavation construction two kinds of states, the performance is dredged construction operation ability and pipe ditch excavation construction operation ability.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a mud suction pipeline of a cutter suction dredger with a nearby discharge function comprises a pipe shell consisting of a straight pipe shell and a conical pipe shell, wherein the conical pipe shell is positioned at the lower end of the straight pipe shell; the mud pump is arranged inside the straight pipe shell, an inlet of the mud pump is connected with the mud straight pipe through the mud bent pipe, a Y-shaped output pipe is arranged at an outlet of the mud pump, a first hydraulic gate valve is arranged on a pipe orifice of the Y-shaped output pipe, a second hydraulic gate valve is arranged on the other pipe orifice of the Y-shaped output pipe, an outlet of the second hydraulic gate valve faces to the side, a conveying straight pipe is arranged at an outlet of the first hydraulic gate valve, a conveying bent pipe is connected to the upper end of the conveying straight pipe, the conveying straight pipe is fixed with the straight pipe shell, and the conveying bent pipe is fixed with the pipe shell support.

The utility model has the advantages that:

the utility model provides a cutter suction dredger's that structural design is reasonable has function of releasing nearby mud pipe way of inhaling compares with the mud pipe structure of inhaling of current cutter suction dredger equipment configuration, the utility model discloses in through installing the slush pump in the inside of straight tube shell to installation Y type output tube in the export of slush pump, single branch way mud input has been formed, the technological effect of two branch way mud output, through install first hydraulic gate valve and second hydraulic gate valve on two ports of Y type output tube respectively, the gating control to two branch way mud output has been realized, one of them branch road shifts the transport to the mud of dredging construction operation, another branch road carries out the soil of dredging construction operation nearby releasing, consequently this mud pipe way makes the cutter suction dredger can switch between dredging construction and pipe ditch excavation construction two kinds of states, dredging construction operation ability and pipe ditch construction operation ability exert.

The whole sludge suction pipeline is self-formed into a unit, and the sludge suction pipeline is easy to be installed and used on a cutter suction dredger in an integral mode by arranging the pipe shell support.

Preferably: the bottom wall of the middle lower part of the straight tube shell is provided with a first tube hole and a second tube hole, the Y-shaped output tube is positioned in the first tube hole and is welded and fixed in a sealing mode, and the mud bent tube is positioned in the second tube hole and is welded and fixed in a sealing mode.

Preferably: the first hydraulic gate valve and the conveying straight pipe are located at the bottom of the straight pipe shell, and the conveying bent pipe is located at the bottom of the pipe shell support.

Preferably: the tube shell support comprises two support arms, the two support arms are respectively fixedly arranged on the left side and the right side of the middle upper portion of the straight tube shell, a middle cross beam is arranged between the middle portions of the two support arms, an upper cross beam is arranged between the upper portions of the two support arms, and the upper end of the straight tube shell is fixedly connected with the middle cross beam.

Preferably: the upper ends of the two support arms are provided with coaxial shaft holes, and the shell support is hinged with the tail of the ship through a rotating shaft in the shaft holes.

Preferably: the top of the middle lower part of the straight pipe shell is provided with an upper pulley assembly connected with a lifting driving assembly of a ship, and the two sides of the middle lower part of the straight pipe shell are provided with lateral pulley assemblies connected with a translation driving assembly of the ship.

Drawings

Fig. 1 is a schematic perspective structural view of the present invention;

fig. 2 is a schematic structural view of the pipeline portion of the present invention, the bottom view.

In the figure:

1. a shaft hole; 2. conveying bent pipes; 3. a pipe shell bracket; 3-1, a support arm; 3-2, a middle cross beam; 3-3, a bracket window; 3-4, an upper cross beam; 4. conveying a straight pipe; 5. a straight pipe shell; 5-1, a first pipe hole; 5-2, a second pipe hole; 6. a slurry pump; 7. a first hydraulic gate valve; 8. a Y-shaped output pipe; 9. a second hydraulic gate valve; 10. slurry bending; 11. a slurry straight pipe; 12. an upper sheave assembly; 13. a side sheave assembly; 14. a conical pipe shell; 15. a reamer hydraulic motor; 16. a reamer.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1 and 2, the dredge pipeline of the cutter suction dredger with the nearby discharging function of the present invention includes a pipe shell composed of a straight pipe shell 5 and a conical pipe shell 14, the conical pipe shell 14 is located at the lower end of the straight pipe shell 5, and a pipe shell support 3 is installed on the upper portion of the straight pipe shell 5.

As shown in the drawing, the central line of the conical shell 14 has a certain included angle with the central line of the straight shell 5, and the conical shell 14 is deflected downward at the end of the straight shell 5 by a certain angle, which is advantageous for excavation work in data construction and trench construction. A partition plate may be provided between the straight-type envelope 5 and the conical-type envelope 14 so that the inner spaces of the two do not communicate with each other.

The pipe shell support 3 is used as a mounting support of the mud suction pipeline, and during mounting, the pipe shell support 3 is hinged to a stern platform of the cutter suction dredger, so that the mud suction pipeline can swing up and down and swing left and right, the up-and-down swinging motion is used for controlling the height, and the left-and-right swinging adjustment is used for controlling the transverse position.

A reamer hydraulic motor 15 is mounted in the conical pipe shell 14, a reamer 16 is mounted on an output shaft of the reamer hydraulic motor 15, and a slurry straight pipe 11 is mounted below the conical pipe shell 14. The reamer hydraulic motor 15 is fixedly arranged in the conical tube shell 14, a bearing assembly is arranged at the front end of the conical tube shell 14, and an output shaft of the reamer hydraulic motor 15 is arranged in the bearing assembly, so that the stability of the driving action is improved. The top wall of the conical shell 14 is provided with a driving oil path interface of the reamer hydraulic motor 15, the driving oil path interface is inwards connected with the reamer hydraulic motor 15 through a high-pressure oil pipe, and the driving oil path interface is outwards connected with a hydraulic station of ship equipment through a high-pressure oil pipe. The mud straight pipe 11 sucks mud from the rear of the reamer 16, a pipeline body of the mud straight pipe 11 and the conical pipe shell 14 are welded into a whole, the front end opening of the mud straight pipe 11 is located at the rear of the bottom of the reamer 16, and mud formed by excavation of the reamer 16 enters the mud straight pipe 11.

A slurry pump 6 is arranged in the straight pipe shell 5, the inlet of the slurry pump 6 is connected with a slurry straight pipe 11 through a slurry bent pipe 10, and a Y-shaped output pipe 8 is arranged on the outlet of the slurry pump 6. The mud pump 6 has a single branch mud input and a double branch mud output. In this embodiment, the bottom wall of the middle lower portion of the straight tube shell 5 is provided with a first tube hole 5-1 and a second tube hole 5-2,Y type output tube 8 which is positioned in the first tube hole 5-1 and is sealed and welded and fixed, and the slurry bent tube 10 is positioned in the second tube hole 5-2 and is sealed and welded and fixed. The rear end of the slurry straight pipe 11 and the front end of the slurry bent pipe 10 are both provided with flanges, and the flanges of the slurry straight pipe and the slurry bent pipe are in butt joint connection.

Install first hydraulic gate valve 7 on a mouth of pipe of Y type output tube 8, install second hydraulic gate valve 9 on another mouth of pipe, the export of second hydraulic gate valve 9 is towards side, installs delivery straight tube 4 in the export of first hydraulic gate valve 7, is connected with delivery return bend 2 in the upper end of delivery straight tube 4. And the first hydraulic gate valve 7 and the second hydraulic gate valve 9 are respectively used for controlling the on-off of the two slurry output branches. As shown in the figure, flanges are arranged on two ports of the Y-shaped output pipe 8, the valve body of the first hydraulic gate valve 7 is fixedly connected with one flange, and the valve body of the second hydraulic gate valve 9 is fixedly connected with the other flange. The two ends of the conveying straight pipe 4 and the two ends of the conveying bent pipe 2 are respectively provided with a flange plate, and the flange plate at the rear end of the conveying straight pipe 4 is in butt joint connection with the flange plate at the front end of the conveying bent pipe 2.

In this embodiment, the first hydraulic gate valve 7 and the delivery straight pipe 4 are located at the bottom of the straight pipe shell 5, and the delivery bent pipe 2 is located at the bottom of the pipe shell support 3. Specifically, the first hydraulic gate valve 7 and the delivery straight pipe 4 are fixedly installed at the bottom of the straight pipe shell 5, and the delivery bent pipe 2 is installed at the bottom of the pipe shell support 3.

And a driving oil path interface is arranged on the top wall of the straight pipe shell 5, the driving oil path interface is inwards connected with a slurry pump 6 through a high-pressure oil pipe, and the driving oil path interface is outwards connected with a hydraulic station of ship equipment through a high-pressure oil pipe. Both the first hydraulic gate valve 7 and the second hydraulic gate valve 9 are connected with the hydraulic station of the marine installation through high-pressure oil pipes, respectively.

Referring to fig. 2, it can be seen that:

the tube shell support 3 comprises two support arms 3-1, the two support arms 3-1 are respectively fixedly arranged on the left side and the right side of the middle upper part of the straight tube shell 5, a middle cross beam 3-2 is arranged between the middle parts of the two support arms 3-1, an upper cross beam 3-4 is arranged between the upper parts, a support window 3-3 is formed by the middle cross beam 3-2 and the upper cross beam 3-4, and the upper end of the straight tube shell 5 is fixedly connected with the middle cross beam 3-2. The support window 3-3 is used for reducing the overall weight of the pipe shell support 3, and meanwhile when the mud suction pipeline is lowered to the underwater, water flow can pass through the support window 3-3, so that the resistance of the mud suction pipeline is reduced.

In the embodiment, the upper ends of the two support arms 3-1 are provided with coaxial shaft holes 1, and the shell support 3 is hinged with a platform at the tail part of the ship through a rotating shaft positioned in the shaft holes 1.

In this embodiment, an upper pulley assembly 12 for connection with a lifting drive assembly of a ship is installed on the top of the middle lower portion of the straight pipe casing 5, and side pulley assemblies 13 for connection with a translation drive assembly of a ship are installed on both sides of the middle lower portion of the straight pipe casing 5. The upper pulley assembly 12 comprises an upper base and an upper pulley, and the lateral pulley assembly 13 comprises a lateral base and a lateral pulley, both of which are fixedly connected with the straight casing 5. The steel wire rope of the lifting driving assembly is connected with the upper pulley assembly 12, the steel wire rope of the translation driving assembly is connected with the side pulley assembly 13, the translation driving assembly is divided into a left component and a right component, when one component releases the steel wire rope, the other component tightens the steel wire rope, and then the mud suction pipeline swings correspondingly.

The working mode is as follows:

the mud suction pipeline is arranged at the tail of a ship, and a lifting driving assembly and a translation driving assembly are connected with an upper pulley assembly 12 and a side pulley assembly 13; connecting the end part of the conveying bent pipe 2 with a mud pump or a mud pipeline of ship equipment through a mud hose line (the mud hose line can be effectively connected when the mud suction pipeline performs lifting and translation actions);

during dredging construction, the first hydraulic gate valve 7 is controlled to be opened and the second hydraulic gate valve 9 is controlled to be closed by the shipborne control room, then slurry formed by excavation of the reamer 16 enters the conveying straight pipe 4 through the slurry straight pipe 11, the slurry bent pipe 10, the slurry pump 6, the Y-shaped output pipe 8 and the first hydraulic gate valve 7, and finally the slurry is conveyed to a sludge discharge pipeline by ship equipment and conveyed to a sludge discharge area by the sludge discharge pipeline;

during pipe trench construction, the first hydraulic gate valve 7 is controlled to be closed and the second hydraulic gate valve 9 is controlled to be opened through the shipborne control room, then slurry formed by excavation of the reamer 16 passes through the slurry straight pipe 11, the slurry bent pipe 10, the slurry pump 6, the Y-shaped output pipe 8 and the second hydraulic gate valve 9, finally the slurry is discharged to the side position of the pipe trench formed by excavation, and backfilling is carried out in subsequent construction.

Claims

1. The utility model provides a cutter suction dredger's mud sucking pipe with function of releasing nearby, characterized by: the device comprises a pipe shell consisting of a straight pipe shell (5) and a conical pipe shell (14), wherein the conical pipe shell (14) is positioned at the lower end of the straight pipe shell (5), a pipe shell support (3) is installed at the upper part of the straight pipe shell (5), a reamer hydraulic motor (15) is installed in the conical pipe shell (14), a reamer (16) is installed on an output shaft of the reamer hydraulic motor (15), and a slurry straight pipe (11) is installed below the conical pipe shell (14); internally mounted at straight type tube shell (5) has slush pump (6), the entry of slush pump (6) is passed through mud return bend (10) and is connected with mud straight tube (11), install Y type output tube (8) in the export of slush pump (6), install first hydraulic gate valve (7) on a mouth of pipe of Y type output tube (8), install second hydraulic gate valve (9) on another mouth of pipe, the export of second hydraulic gate valve (9) is towards side, install on the export of first hydraulic gate valve (7) and carry straight tube (4), be connected with delivery elbow (2) at the upper end of carrying straight tube (4), it is fixed with straight type tube shell (5) to carry straight tube (4), delivery elbow (2) are fixed with tube shell support (3).

2. The dredge pipeline of cutter suction dredger with nearby discharging function of claim 1, characterized in that: a first pipe hole (5-1) and a second pipe hole (5-2) are formed in the bottom wall of the middle lower portion of the straight pipe shell (5), the Y-shaped output pipe (8) is located in the first pipe hole (5-1) and is welded and fixed in a sealing mode, and the mud bent pipe (10) is located in the second pipe hole (5-2) and is welded and fixed in a sealing mode.

3. A dredge pipeline of cutter suction dredger with nearby discharge function according to claim 2, characterized in that: the first hydraulic gate valve (7) and the conveying straight pipe (4) are located at the bottom of the straight pipe shell (5), and the conveying bent pipe (2) is located at the bottom of the pipe shell support (3).

4. A dredge pipeline of cutter suction dredger with nearby discharge function according to claim 3, characterized in that: the tube support (3) comprises two support arms (3-1), the two support arms (3-1) are respectively fixedly arranged on the left side and the right side of the middle upper portion of the straight tube shell (5), a middle cross beam (3-2) is arranged between the middle portions of the two support arms (3-1), an upper cross beam (3-4) is arranged between the upper portions of the two support arms, and the upper end of the straight tube shell (5) is fixedly connected with the middle cross beam (3-2).

5. The dredge pipeline of claim 4 for cutter suction dredger with nearby discharge function, characterized in that: the upper ends of the two support arms (3-1) are provided with coaxial shaft holes (1), and the pipe shell support (3) is hinged with the tail of the ship through a rotating shaft positioned in the shaft holes (1).

6. The dredge pipeline of cutter suction dredger with nearby discharging function of claim 5, characterized in that: an upper pulley assembly (12) connected with a lifting driving assembly of the ship is arranged at the top of the middle lower part of the straight pipe shell (5), and side pulley assemblies (13) connected with a translation driving assembly of the ship are arranged on two sides of the middle lower part of the straight pipe shell (5).