CN209816956U - Energy dissipation assembly barge pipeline system of trailing suction hopper dredger - Google Patents
Energy dissipation assembly barge pipeline system of trailing suction hopper dredger Download PDFInfo
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- CN209816956U CN209816956U CN201920501706.4U CN201920501706U CN209816956U CN 209816956 U CN209816956 U CN 209816956U CN 201920501706 U CN201920501706 U CN 201920501706U CN 209816956 U CN209816956 U CN 209816956U
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Abstract
The utility model relates to a pipeline system is refuted to energy dissipation dress of trailing suction hopper dredger. The slurry pump comprises a slurry pump and a conveying main pipeline, wherein an outlet of the slurry pump is in butt joint connection with an inlet of the conveying main pipeline; the side wall of the main conveying pipeline is provided with a plurality of loading and unloading assemblies and a plurality of driving assemblies; the loading and refuting assembly comprises a branch pipeline in butt joint with the side wall of the main conveying pipeline, the outer end of the branch pipeline is in butt joint with a gate valve, the outlet of the gate valve is in butt joint with a fixed pipeline, the outer end of the fixed pipeline is in butt joint with a flexible pipeline, the outer end of the flexible pipeline is in butt joint with an inner side moving pipeline, the outer end of the inner side moving pipeline is in butt joint with an intermediate moving pipeline, and the outer end of the intermediate moving pipeline is in butt joint with an outer side moving pipeline; the drainage pipeline is characterized by further comprising a drainage pipeline with two open ends, and a plurality of drainage holes are formed in the side wall of the drainage pipeline. The utility model discloses simple structure, easily adjust the operation, through carrying out the energy dissipation to mud, guaranteed the effect that mud deposits on the barge.
Description
Technical Field
The utility model belongs to the technical field of the dredger equipment, especially, relate to a pipeline system is refuted to energy dissipation dress of trailing suction dredger.
Background
The trailing suction dredger is one of suction type and pumping type, and it sucks mud through the drag heads arranged on the two sides or tail of the ship body, and operates in the way of sucking mud and sailing. The soil is loosened by using the mud rake, a bottom mud cabin is arranged in the ship, and the volume of the cabin represents the size of the ship. The drag suction dredger is a large self-propelled and bin-loading dredger equipped with a drag head excavator tool and a hydraulic mud suction device. When the dredger is used for dredging, the rake suction pipe is put down to the river bottom, mud is absorbed from the river bottom through the rake head and the mud suction pipe by utilizing the vacuum action of the mud pump and enters a mud bin of the dredger, after the mud bin is full, the rake is lifted to sail to a mud throwing area, a mud door is opened, mud is discharged, or the dug mud is directly discharged out of the dredger. Some dredger can also automatically suck out the soil unloaded from the mud bin for hydraulic filling. The self-propelled. The method is suitable for excavation and maintenance of a long and narrow coastal harbor channel without shield so as to achieve the highest efficiency in silt excavation.
Two loading and refuting pipes are generally arranged on each side of the trailing suction dredger, but the slurry loading barge configured during construction is small, so that the requirement of simultaneous construction by using two loading and refuting pipes on a single side cannot be met, namely, only one loading and refuting pipe can be used for loading and refuting each side during each loading and refuting. The problem that the flow rate is high and the overflow amount is large can be caused, mud sedimentation is not facilitated, mud charging is slow, and the project progress is influenced. On the other hand, the high flow rate and large overflow mode causes large impact on the barge and the loading pipe, damages the barge and the loading pipe structure, and easily causes the slurry barge to be unbalanced or not fully loaded. Therefore, the mud charging and plugging pipeline is optimally designed, and further energy dissipation treatment is carried out on the mud to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy dissipation device barge pipeline system of a trailing suction hopper dredger with simple structure and easy adjustment operation for solving the technical problems existing in the prior art.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an energy dissipation loading and unloading pipeline system of a trailing suction hopper dredger comprises a slurry pump and a main conveying pipeline, wherein the slurry pump is installed on a dredger body; the side wall of the main conveying pipeline is provided with a plurality of loading and unloading assemblies and also comprises a plurality of driving assemblies for respectively driving each loading and unloading assembly to move up and down; the loading and refuting assembly comprises a branch pipeline in butt joint with the side wall of the main conveying pipeline, the outer end of the branch pipeline is in butt joint with a gate valve, the outlet of the gate valve is in butt joint with a fixed pipeline, the fixed pipeline is fixedly installed on a dredger hull, the outer end of the fixed pipeline is in butt joint with a flexible pipeline, the outer end of the flexible pipeline is in butt joint with an inner side moving pipeline, the outer end of the inner side moving pipeline is in butt joint with an intermediate moving pipeline, and the outer end of the intermediate moving pipeline is in butt joint with an outer side moving pipeline; the outer end of the outer side moving pipeline is in butt joint with the side wall of the drainage pipeline, the inner cavity of the outer side moving pipeline is communicated with the inner cavity of the outer side moving pipeline, and a plurality of drainage holes are formed in the side wall of the drainage pipeline.
The utility model has the advantages that: the utility model provides a pipeline system is refuted to energy dissipation dress of trailing suction hopper dredger that structural design is simple reasonable, refute pipeline system with current dress and compare, set up a plurality of discharge orifices through setting up the open discharge pipeline in both ends and on the lateral wall of discharge pipeline among this technical scheme, make mud discharge in both ends and a plurality of discharge orifices via the discharge pipeline, solved the high velocity of flow that mud concentrates and leads to by single mouth of pipe blowout to a certain extent, high overflow volume problem, be favorable to mud to deposit, the speed that mud dress was refuted has been promoted, the engineering progress has been guaranteed. On the other hand, by reducing the flow rate of the slurry and the overflow amount, the impact of the slurry on the loading pipe and the slurry barge is reduced, the structure of the loading pipe and the barge is protected, and meanwhile, the slurry leakage flow is dispersed, so that the condition that the slurry barge is unbalanced or not fully loaded is avoided. The flexible pipeline is arranged in the middle of the loading assembly and the driving assembly is arranged, so that the loading assembly can controllably move up and down, and fine adjustment of the loading position after the slurry barge is parked is facilitated.
Preferably: the driving assembly comprises a steel cable winding and unwinding machine arranged on a high-position support on a dredger body, a wheel base is arranged on the top wall of a middle moving pipeline of the assembly, a steel cable wheel is arranged on the wheel base, and the steel cable winding and unwinding machine is connected with the steel cable wheel through a steel cable.
Preferably: the inner side moving pipeline comprises a first straight section as a main body and a second straight section positioned at the tail end, and an included angle a between the first straight section and the second straight section is more than or equal to 15 degrees and less than or equal to 30 degrees.
Preferably: the branch pipeline, the fixed pipeline, the flexible pipeline and the first straight section of the inner side moving pipeline share a center line, the second straight section of the inner side moving pipeline, the middle moving pipeline and the outer side moving pipeline share a center line, and the center lines of the outer side moving pipeline and the discharge pipeline are vertically intersected.
Preferably: the number of the drain holes on each drain pipeline is 4, the hole diameter is 400mm, and the distance between every two adjacent drain holes is 1 m.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic view of the structure of the present invention.
In the figure: 1. a slurry pump; 2. a main conveying pipeline; 3. a pipe end plate; 4. assembling and assembling the assembly; 4-1, branch pipelines; 4-2, gate valve; 4-3, fixing a pipeline; 4-4, a hose line; 4-5, moving the pipeline at the inner side; 4-6, a wheel base; 4-7, steel cable wheel; 4-8, an intermediate moving pipeline; 4-9, moving the pipeline outside; 4-10, a drainage pipeline; 4-11, a drainage hole; 5. a wire rope; 6. a wire rope retractor; 7. a dredger hull.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:
please refer to fig. 1, the energy dissipation assembly line system of the trailing suction hopper dredger of the present invention includes a slurry pump 1 and a main conveying pipe 2 installed on a dredger hull 7, an outlet of the slurry pump 1 is connected with an inlet of the main conveying pipe 2 in a butt joint manner, and a pipe end plate 3 is arranged at the end of the main conveying pipe 2. The mud pump 1 provides power for the transmission of mud, and pipeline end plate 3 blocks up the end of main delivery pipeline 2, also can clear up the inside of main delivery pipeline 2 through opening pipeline end plate 3. The mud pump 1 and the main conveying pipeline 2 are fixedly arranged on a dredger body 7 through respective bases.
The side wall of the main conveying pipeline 2 is provided with a plurality of loading and refuting assemblies 4 and further comprises a plurality of driving assemblies for respectively driving each loading and refuting assembly 4 to move up and down. As shown in the figure, the loading and docking assemblies 4 and the driving assemblies thereof are two groups. Each barge assembly 4 delivers slurry to a slurry barge which is parked near the dredger and from which the settled slurry is delivered ashore. The driving assembly drives each loading assembly 4 to move up and down, so that the relative position of the loading assemblies and the docked mud barge can be adjusted conveniently.
Referring to fig. 2, it can be seen that: the loading and refuting assembly 4 comprises a branch pipeline 4-1 in butt joint with the side wall of the main conveying pipeline 2, the outer end of the branch pipeline 4-1 is in butt joint with a gate valve 4-2, the outlet of the gate valve 4-2 is in butt joint with a fixed pipeline 4-3, and the fixed pipeline 4-3 is installed and fixed on a dredger body 7. The branch pipeline 4-1 and the main conveying pipeline 2 are welded and fixed, the inner cavity of the branch pipeline is communicated, the branch pipeline 4-1 and the gate valve 4-2 and the fixed pipeline 4-3 are connected and fixed in a butt joint mode through flange plates, and the gate valve 4-2 is used for controlling the opening and closing of the local loading and refuting assembly 4. The gate valve 4-2 can be a manual gate valve or a gate valve in an electric or hydraulic mode, and the loading and refuting pipeline system is connected to a ship control system of the trailing suction dredger in the latter mode. As shown in the figure, the outer end of the fixed pipe 4-3 extends outside the dredger hull 7.
The outer end of the fixed pipeline 4-3 is connected with a flexible pipeline 4-4 in a butt joint mode, the outer end of the flexible pipeline 4-4 is connected with an inner side moving pipeline 4-5 in a butt joint mode, the outer end of the inner side moving pipeline 4-5 is connected with an intermediate moving pipeline 4-8 in a butt joint mode, and the outer end of the intermediate moving pipeline 4-8 is connected with an outer side moving pipeline 4-9 in a butt joint mode. As shown in the figure, the fixed pipeline 4-3 and the flexible pipeline 4-4, the flexible pipeline 4-4 and the inner side moving pipeline 4-5, the inner side moving pipeline 4-5 and the middle moving pipeline 4-8, and the middle moving pipeline 4-8 and the outer side moving pipeline 4-9 are connected and fixed in a butt joint mode through flanges.
The flexible pipe 4-4 is a commercially available product and structurally comprises an internal rib net woven by steel wires and a rubber pipe wall integrally injection-molded on the rib net, and flanges are integrally injection-molded at two ends of the rubber pipe wall. The flexible pipe 4-4 has the passing capacity of a normal pipe and also has certain deformation capacity, so that the angle between the front half part and the rear half part of the loading and loading component 4 can be changed, and when the driving component drives the loading and loading component 4 to ascend and descend, the flexible pipe 4-4 deforms to adapt to the ascending and descending changes.
The slurry discharge device further comprises a discharge pipeline 4-10 with two open ends, the outer end of the outer side moving pipeline 4-9 is in butt joint connection with the side wall of the discharge pipeline 4-10, the inner cavity of the outer side moving pipeline is communicated, a plurality of discharge holes 4-11 are formed in the side wall of the discharge pipeline 4-10, slurry is discharged in a dispersing mode through the two end openings of the discharge pipeline 4-10 and the discharge holes 4-11, and therefore the problems caused by high flow speed and large overflow amount under the condition of single pipe opening discharge are solved.
In this embodiment, the inner moving pipe 4-5 comprises a first straight section as a main body and a second straight section at the end, and the included angle between the first straight section and the second straight section is 15 DEG-30 DEG, preferably 20 deg.
Furthermore, the branch pipeline 4-1, the fixed pipeline 4-3, the flexible pipeline 4-4 and the first straight section of the inner side moving pipeline 4-5 are concentric, the second straight section of the inner side moving pipeline 4-5, the middle moving pipeline 4-8 and the outer side moving pipeline 4-9 are concentric, and the center lines of the outer side moving pipeline 4-9 and the drainage pipeline 4-10 are vertically intersected.
In this embodiment, the number of the drain holes 4-11 on each drain pipe 4-10 is 4, the aperture is 400mm, and the distance between two adjacent drain holes 4-11 is 1 m. It is conceivable that the above-mentioned opening of the outlet openings 4-11 can be performed according to actual parameters, and that the number, diameter and spacing of the outlet openings 4-11 can be varied depending on vessel parameters.
The driving assembly comprises a steel cable retracting machine 6 arranged on a high-position support on a dredger body 7, a wheel base 4-6 is arranged on the top wall of a middle moving pipeline 4-8 of the assembly 4, a steel cable wheel 4-7 is arranged on the wheel base 4-6, and the steel cable retracting machine 6 is connected with the steel cable wheel 4-7 through a steel cable 5. As shown in the figure, a high-position bracket is arranged on a dredger body 7, a steel cable retraction machine 6 is installed on the high-position bracket, one end of a steel cable 5 is fixedly connected with the high-position bracket, the other end of the steel cable passes through steel cable wheels 4-7 and then is connected with a winding roller of the steel cable retraction machine 6, when the steel cable 5 is retracted by the steel cable retraction machine 6, the rear half part of the loading and refuting assembly 4 is lifted, otherwise, the steel cable is lowered.
The working process is as follows: in the initial condition, the cable retraction jack 6 lifts each barge assembly 4 by the cable 5 (to an approximately horizontal position), and then the mud barge is parked; after the barge is parked stably, the steel cable retraction jack 6 lowers each barge loading assembly 4 through a steel cable 5 until the distance between the drainage pipeline 4-10 and the barge is proper; then opening a gate valve 4-2 and starting a slurry pump 1, wherein the slurry passes through a branch pipeline 4-1, the gate valve 4-2, a fixed pipeline 4-3, an inner side moving pipeline 4-5, a middle moving pipeline 4-8, an outer side moving pipeline 4-9 and a discharge pipeline 4-10 in sequence, and is finally discharged onto a barge through two ports of the discharge pipeline 4-10 and each discharge port 4-11; and closing the gate valve 4-2 after the barge is filled, lifting the loading assembly 4 to the original position until the loading process is repeated after the next barge stops.
Claims (5)
1. The utility model provides an energy dissipation dress of trailing suction hopper dredger refutes pipe-line system, characterized by: the dredging device comprises a slurry pump (1) and a main conveying pipeline (2) which are arranged on a dredger body (7), wherein an outlet of the slurry pump (1) is in butt joint connection with an inlet of the main conveying pipeline (2), and a pipeline end plate (3) is arranged at the tail end of the main conveying pipeline (2); the side wall of the main conveying pipeline (2) is provided with a plurality of loading and refuting assemblies (4), and the conveying pipeline also comprises a plurality of driving assemblies which respectively drive each loading and refuting assembly (4) to move up and down;
the loading and refuting component (4) comprises a branch pipeline (4-1) which is in butt joint connection with the side wall of the main conveying pipeline (2), the outer end of the branch pipeline (4-1) is in butt joint with a gate valve (4-2), the outlet of the gate valve (4-2) is in butt joint with a fixed pipeline (4-3), the fixed pipeline (4-3) is installed and fixed on the dredger hull (7), the outer end of the fixed pipeline (4-3) is connected with a flexible pipeline (4-4) in a butt joint way, the outer end of the flexible pipeline (4-4) is connected with an inner side moving pipeline (4-5) in a butt joint way, the outer ends of the inner moving pipelines (4-5) are connected with middle moving pipelines (4-8) in a butt joint way, the outer ends of the middle moving pipelines (4-8) are connected with outer moving pipelines (4-9) in a butt joint way; the drainage device is characterized by further comprising a drainage pipeline (4-10) with two open ends, the outer end of the outer side moving pipeline (4-9) is in butt joint connection with the side wall of the drainage pipeline (4-10), the inner cavity of the outer side moving pipeline is communicated with the inner cavity of the drainage pipeline, and a plurality of drainage holes (4-11) are formed in the side wall of the drainage pipeline (4-10).
2. An energy dissipating loading pipe system of a trailing suction hopper dredger according to claim 1, characterized in that: the driving assembly comprises a steel cable collecting and releasing machine (6) arranged on a high-position support on a dredger body (7), a wheel base (4-6) is arranged on the top wall of a middle moving pipeline (4-8) of the loading and refuting assembly (4), a steel cable wheel (4-7) is arranged on the wheel base (4-6), and the steel cable collecting and releasing machine (6) is connected with the steel cable wheel (4-7) through a steel cable (5).
3. An energy dissipating loading pipe system of a trailing suction hopper dredger according to claim 2, characterized in that: the inner side moving pipeline (4-5) comprises a first straight section as a main body and a second straight section positioned at the tail end, and the included angle between the first straight section and the second straight section is more than or equal to 15 degrees and less than or equal to 30 degrees.
4. An energy dissipating loading pipe system of a trailing suction hopper dredger according to claim 3, characterized in that: the branch pipeline (4-1), the fixed pipeline (4-3), the flexible pipeline (4-4) and the first straight section of the inner side moving pipeline (4-5) share a center line, the second straight section of the inner side moving pipeline (4-5), the middle moving pipeline (4-8) and the outer side moving pipeline (4-9) share a center line, and the center lines of the outer side moving pipeline (4-9) and the drainage pipeline (4-10) are vertically intersected.
5. The energy dissipating loading pipe system of the trailing suction hopper dredger as set forth in claim 4, wherein: the number of the drain holes (4-11) on each drain pipeline (4-10) is 4, the hole diameter is 400mm, and the distance between every two adjacent drain holes (4-11) is 1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501706.4U CN209816956U (en) | 2019-04-12 | 2019-04-12 | Energy dissipation assembly barge pipeline system of trailing suction hopper dredger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501706.4U CN209816956U (en) | 2019-04-12 | 2019-04-12 | Energy dissipation assembly barge pipeline system of trailing suction hopper dredger |
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| Publication Number | Publication Date |
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| CN209816956U true CN209816956U (en) | 2019-12-20 |
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| CN201920501706.4U Active CN209816956U (en) | 2019-04-12 | 2019-04-12 | Energy dissipation assembly barge pipeline system of trailing suction hopper dredger |
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Address after: Room 346, Chentang technology incubator, 17 Yujiang Road, Hexi District, Tianjin, 300221 Patentee after: CCCC (Tianjin) Dredging Engineering Co.,Ltd. Patentee after: CCCC TIANJIN DREDGING Co.,Ltd. Address before: Tianhang building, No.1, Zhongxin Road, Tanggu District, Binhai New Area, Tianjin 300450 Patentee before: CCCC-TDC BINHAI ENVIRONMENTAL CHANNEL DREDGING Co.,Ltd. Patentee before: CCCC TIANJIN DREDGING Co.,Ltd. |