CN108797670B - Efficient mud suction drag head of river channel mud and sand drag suction ship - Google Patents
Efficient mud suction drag head of river channel mud and sand drag suction ship Download PDFInfo
- Publication number
- CN108797670B CN108797670B CN201810676209.8A CN201810676209A CN108797670B CN 108797670 B CN108797670 B CN 108797670B CN 201810676209 A CN201810676209 A CN 201810676209A CN 108797670 B CN108797670 B CN 108797670B
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- Prior art keywords
- mud
- drag
- suction
- suction device
- drag head
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a high-efficiency mud suction drag head of a riverway mud and sand drag suction ship, and relates to the technical field of dredger. The invention comprises a drag head device and a drag suction device; the drag head device comprises a front drag head, a side drag head and an outer ring; a mud guide pipe is arranged on the rear mud suction device; rectangular holes are formed in the peripheral side face of the mud guide pipe; a mud suction hole B is arrayed on one surface of the rear mud suction device; a mud collecting cavity is arranged in the rear mud suction device and is communicated with the mud suction pipeline; wherein, the rotating shaft is matched with the front mud suction device; the peripheral side surface of the rotating shaft is matched with the inner surface of the mud guide pipe; the inner surface of the outer ring is matched with the peripheral side surface of the rear mud suction device; the mud suction pipeline is fixedly connected with the mud suction pump through a corrugated pipe. The invention is realized through the functions of the drag head device and the drag suction device; the drag suction dredger has the advantages of efficiently sucking mud, adjusting the depth of the drag mud, ensuring deeper drag mud depth, having better soil breaking effect and improving the production efficiency and construction progress of the drag suction dredger.
Description
Technical Field
The invention belongs to the technical field of dredger, and particularly relates to a high-efficiency sludge suction drag head of a riverway sludge drag suction dredger.
Background
With the continuous improvement and enhancement of environmental awareness of ecological environment protection, soil resource protection and the like in China, a trailing suction dredger is used in some river cleaning projects, and the trailing suction dredger adopts a dredging mode of breaking soil by a drag head and sucking mud by a mud suction pipe. However, the drag head cannot be adjusted to a required position and a required dredging depth in the use process of the trailing suction hopper dredger, so that the dredging effect of the drag head is poor; in addition, in different river channels, the bottom of the river channel sometimes meets the conditions of compact and hardened silt, fine sand and hard clay, the bottom of the river channel is hard to dig and is not moved, and a drag head cannot effectively crush soil, so that the production efficiency and the construction progress of the trailing suction hopper dredger are influenced.
Aiming at the problems, the invention has the advantages of efficiently sucking mud, adjusting the mud raking depth, deeper mud raking depth, better soil breaking effect and capability of improving the production efficiency and the construction progress of the trailing suction hopper dredger.
Disclosure of Invention
The invention aims to provide a high-efficiency mud suction drag head of a river mud and sand drag suction dredger, which solves the problem that the production efficiency and the construction progress of the drag suction dredger are influenced because the existing drag head cannot effectively crush soil through the action of a drag head device and a drag suction device.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a high-efficiency mud suction drag head of a river sediment drag suction ship, which comprises a drag head device and a drag suction device;
the drag head device comprises a front drag head, a side drag head and an outer ring; mud sucking holes A are uniformly arrayed on one surface of the front drag head; a soil breaking drill bit and soil crushing pieces are uniformly arrayed on the surface of the front drag head; a plurality of side drag heads are fixed between the other surface of the front drag head and the outer ring; a rotating shaft is fixed on the other surface of the front drag head;
the earth breaking drill bit is used for breaking hard soil on the front side; the soil crushing pieces are used for further crushing blocky hard soil, and are beneficial to being sucked into the front mud sucking device of the harrowing and sucking device;
the harrowing and sucking device comprises a front mud sucking device and a rear mud sucking device; a filter plate is arranged at the inlet of the front mud suction device; one end face of the front mud suction device is fixedly connected with one end face of the rear mud suction device; the rear mud suction device is of a circular ring structure; a mud guide pipe is arranged on the other end face of the rear mud suction device; rectangular holes are formed in the peripheral side face of the mud guide pipe; a plurality of mud suction holes B are uniformly arrayed on one end face of the rear mud suction device; a mud collecting cavity is arranged in the rear mud suction device; one end of the mud gathering cavity is communicated with the mud sucking pipeline;
the front mud suction device is used for sucking hard mud crushed by the front drag head; the hard soil which is just crushed by the front drag head can be sucked into the drag suction device; the rear mud suction device sucks the hard mud crushed by the side harrow head; the mud collecting cavity is used for collecting the front mud suction device and the rear mud suction device and enabling the collected mud to enter the harrowing and sucking device;
the peripheral side surface of the rotating shaft is in clearance fit with the inner surface of the front mud suction device; the peripheral side surface of the rotating shaft is matched with the inner surface of the mud guide pipe; the inner surface of the outer ring is in running fit with the circumferential side surface of the rear mud suction device; the mud suction pipeline is fixedly connected with the mud suction pump through a corrugated pipe.
Furthermore, the top end of the earth breaking drill bit is of a triangular cone structure; both sides of the soil crushing pieces are of blade structures; and a plurality of mud digging sheets are arrayed on the peripheral side surfaces of the side harrow heads.
Further, the peripheral side surface of the mud suction pipeline is fixed on a fixing ring of the drag head bracket;
the drag head bracket comprises a fixed seat and a rotating seat; the fixed seat and the rear mud suction device are fixed through a plurality of connecting columns; the peripheral side of the fixed seat is provided with a pulley base; a pulley block is fixedly arranged on the pulley base; the pulley block is rotatably connected with the ship body through a rope; the fixed seat and the rotating seat are fixed through a plurality of support columns; fixing rings are arranged on the peripheral side surfaces of the fixed seat and the rotating seat; the rotating seat is rotatably connected with a supporting column; a motor is fixedly arranged on one surface of the rotating seat; the pulley block is used for adjusting the depth of the raking mud; the supporting columns are rotatably connected with the supporting seats on the ship body, and the mud raking depth is controlled by adjusting the rotating angle.
Furthermore, a waterproof bearing is arranged between the peripheral side surface of the rotating shaft and the inner surface of the mud guide pipe; the waterproof bearing adopts an S6207-2RS rubber sealing cover.
Further, the rotating shaft penetrates through the fixed seat; an output shaft of the motor penetrates through the rotating seat; and an output shaft of the motor is fixedly connected with the rotating shaft through a coupler.
The invention has the following beneficial effects:
1. the invention is realized through the functions of the drag head device and the drag suction device; the drag suction dredger has the advantages of efficiently sucking mud, adjusting the depth of the drag mud, ensuring deeper drag mud depth, having better soil breaking effect and improving the production efficiency and construction progress of the drag suction dredger.
2. The front drag head, the side drag heads, the front mud suction device and the rear mud suction device are used for sucking hard mud crushed by the front drag head into the front mud suction device and hard mud crushed by the side drag heads into the rear mud suction device; the efficient soil-sucking effect is achieved, so that the soil component in the drag-suction process is relatively high, and the construction efficiency is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a high-efficiency mud suction drag head of the river mud and sand drag suction boat of the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
fig. 3 is a schematic view of the installation structure of the rake suction device and the rake head bracket;
FIG. 4 is a schematic view of the front mud suction device and the installation structure of the filter plate and the mud guide pipe;
fig. 5 is a schematic structural view of the front drag head and the rotating shaft;
fig. 6 is a schematic structural view of a side drag head;
in the drawings, the components represented by the respective reference numerals are listed below:
1-drag head device, 2-drag suction device, 3-drag head bracket, 101-front drag head, 102-side drag head, 103-outer ring, 104-suction hole A, 105-earth breaking drill bit, 106-fragment, 107-rotating shaft, 108-mud-digging slice, 201-front mud suction device, 202-rear mud suction device, 203-filter plate, 204-mud guide pipe, 205-rectangular hole, 206-mud suction hole B, 207-mud collecting cavity, 208-mud suction pipe, 209-corrugated pipe, 301-fixed seat, 302-rotating seat, 303-pulley block, 304-support column, 305-motor, 306-fixed ring, 307-connecting column, 308-support column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention relates to a high-efficiency mud-suction drag head of a river mud-sand drag suction boat, which comprises a drag head device 1 and a drag suction device 2;
as shown in fig. 1, the drag head apparatus 1 includes a front drag head 101, a side drag head 102, and an outer ring 103; mud sucking holes A104 are uniformly arrayed on one surface of the front drag head 101; a soil breaking drill 105 and soil crushing pieces 106 are uniformly arrayed on one surface of the front drag head 101; a plurality of side harrow heads 102 are fixed between the other surface of the front harrow head 101 and the outer ring 103; a rotating shaft 107 is fixed on the other surface of the front drag head 101;
the earth breaking drill 105 is used for breaking hard earth on the front side; the soil crushing pieces 106 are used for further crushing the blocky hard soil, and are favorable for being sucked into the front mud suction device 201 of the harrow suction device 2;
the harrowing and suction device 2 comprises a front mud suction device 201 and a rear mud suction device 202; a filter plate 203 is arranged at the inlet of the front mud suction device 201; one end face of the front mud suction device 201 is fixedly connected with one end face of the rear mud suction device 202; the rear mud suction device 202 is of a circular ring structure; the other end surface of the rear mud suction device 202 is provided with a mud guide pipe 204; the peripheral side surface of the mud guide pipe 204 is provided with a rectangular hole 205; a plurality of mud suction holes B206 are uniformly arrayed on one end surface of the rear mud suction device 202; a mud collecting cavity 207 is arranged in the rear mud suction device 202; one end of the mud gathering cavity 207 is communicated with the mud sucking pipeline 208;
the front mud sucking device 201 is used for sucking hard mud crushed by the front drag head 101; the hard soil just crushed by the front drag head 101 can be sucked into the drag suction device 2; the rear mud sucking device 202 sucks the hard mud crushed by the side drag head 102; the mud collecting cavity 207 is used for collecting the front mud suction device 201 and the rear mud suction device 202 and enabling the collected mud to enter the harrowing and suction device 2;
wherein, the peripheral side surface of the rotating shaft 107 is in clearance fit with the inner surface of the front mud suction device 201; the peripheral side surface of the rotating shaft 107 is matched with the inner surface of the mud guide pipe 204; the inner surface of the outer ring 103 is in running fit with the peripheral side surface of the rear mud suction device 202; the mud suction pipe 208 is fixedly connected with the mud suction pump through a corrugated pipe 209.
Preferably, as shown in fig. 5, the top end of the earth-breaking drill 105 is in a triangular cone structure; both sides of the soil crushing pieces 106 are blade structures; the side rake heads 102 are arrayed with a plurality of mud-cutting blades 107 on the circumferential side.
Preferably, as shown in fig. 1 and fig. 2, the circumferential side of the mud suction pipe 208 is fixed on the fixing ring 306 of the drag head bracket 3;
the drag head bracket 3 comprises a fixed seat 301 and a rotating seat 302; the fixed seat 301 and the rear mud suction device 202 are fixed through a plurality of connecting columns 307; the peripheral side of the fixed seat 301 is provided with a pulley base; a pulley block 303 is fixedly arranged on the pulley base; the pulley block 303 is rotatably connected with the ship body through a rope; the fixed seat 301 and the rotating seat 302 are fixed through a plurality of support columns 308; fixing rings 306 are arranged on the peripheral sides of the fixing seat 301 and the rotating seat 302; a support column 304 is rotatably connected to the rotating base 302; a motor 305 is fixedly arranged on one surface of the rotating base 302; the pulley block 303 is used for adjusting the depth of the raked mud; the supporting column 304 is rotatably connected with a supporting seat on the ship body, and the mud raking depth is controlled by adjusting the rotating angle.
Preferably, a waterproof bearing is arranged between the peripheral side surface of the rotating shaft 107 and the inner surface of the mud guide pipe 204; the waterproof bearing adopts an S6207-2RS rubber sealing cover.
Preferably, as shown in fig. 2, the rotating shaft 107 penetrates the fixing base 301; an output shaft of the motor 305 penetrates through the rotating base 302; an output shaft of the motor 305 is fixedly connected to the rotary shaft 107 via a coupling.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a river course silt drag suction vessel's high efficiency suction mud drag head which characterized in that: comprises a drag head device (1) and a drag suction device (2);
the drag head device (1) comprises a front drag head (101), a side drag head (102) and an outer ring (103); mud sucking holes A (104) are uniformly arrayed on one surface of the front drag head (101); a ground breaking drill bit (105) and soil crushing pieces (106) are uniformly arrayed on one surface of the front drag head (101); a plurality of side drag heads (102) are fixed between the other surface of the front drag head (101) and the outer ring (103); a rotating shaft (107) is fixed on the other surface of the front drag head (101);
the harrowing and suction device (2) comprises a front mud suction device (201) and a rear mud suction device (202); a filter plate (203) is arranged at the inlet of the front mud suction device (201); one end face of the front mud suction device (201) is fixedly connected with one end face of the rear mud suction device (202); the rear mud suction device (202) is of a circular ring structure; a mud guide pipe (204) is arranged on the other end face of the rear mud suction device (202); the peripheral side surface of the mud guide pipe (204) is provided with a rectangular hole (205); a plurality of mud suction holes B (206) are uniformly arrayed on one end face of the rear mud suction device (202); a mud collecting cavity (207) is arranged in the rear mud suction device (202); one end of the mud gathering cavity (207) is communicated with a mud suction pipeline (208);
wherein the peripheral side surface of the rotating shaft (107) is in clearance fit with the inner surface of the front mud suction device (201); the peripheral side surface of the rotating shaft (107) is matched with the inner surface of the mud guide pipe (204); the inner surface of the outer ring (103) is in running fit with the peripheral side surface of the rear mud suction device (202); the mud suction pipeline (208) is fixedly connected with a mud suction pump through a corrugated pipe (209).
2. The efficient mud suction drag head of the river mud and sand drag suction ship as claimed in claim 1, wherein the top end of the earth breaking drill bit (105) is in a triangular cone structure; both sides of the soil crushing piece (106) are of blade structures; a plurality of mud digging sheets (108) are arrayed on the peripheral side surfaces of the plurality of side drag heads (102).
3. The high-efficiency mud suction drag head of the river sediment drag boat according to claim 1, wherein the peripheral side of the mud suction pipe (208) is fixed on a fixing ring (306) of the drag head bracket (3);
the drag head support (3) comprises a fixed seat (301) and a rotating seat (302); the fixed seat (301) and the rear mud suction device (202) are fixed through a plurality of connecting columns (307); the peripheral side surface of the fixed seat (301) is provided with a pulley base; a pulley block (303) is fixedly arranged on the pulley base; the fixed seat (301) and the rotating seat (302) are fixed through a plurality of support columns (308); fixing rings (306) are arranged on the peripheral side surfaces of the fixed seat (301) and the rotating seat (302); a support column (304) is rotatably connected to the rotating seat (302); and a motor (305) is fixedly arranged on one surface of the rotating seat (302).
4. The high-efficiency mud suction drag head of the river mud and sand drag suction dredger according to claim 1, wherein a waterproof bearing is arranged between the circumferential side surface of the rotating shaft (107) and the inner surface of the mud guide pipe (204).
5. The high-efficiency mud suction drag head of the river mud and sand drag suction dredger according to claim 3, wherein the rotating shaft (107) penetrates through the fixed base (301); an output shaft of the motor (305) penetrates through the rotating base (302); and an output shaft of the motor (305) is fixedly connected with the rotating shaft (107) through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676209.8A CN108797670B (en) | 2018-06-27 | 2018-06-27 | Efficient mud suction drag head of river channel mud and sand drag suction ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676209.8A CN108797670B (en) | 2018-06-27 | 2018-06-27 | Efficient mud suction drag head of river channel mud and sand drag suction ship |
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| Publication Number | Publication Date |
|---|---|
| CN108797670A CN108797670A (en) | 2018-11-13 |
| CN108797670B true CN108797670B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810676209.8A Active CN108797670B (en) | 2018-06-27 | 2018-06-27 | Efficient mud suction drag head of river channel mud and sand drag suction ship |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577408B (en) * | 2019-01-04 | 2021-06-18 | 中交二航局第一工程有限公司 | Sewage suction device for cleaning river sludge and sewage suction operation method thereof |
| CN109930646B (en) * | 2019-04-22 | 2021-07-30 | 义乌市高洋建筑工程有限公司 | Bridge construction is with firm type air suction dredge |
| CN114718137B (en) * | 2022-04-02 | 2023-11-24 | 中国港湾工程有限责任公司 | High-efficiency harrow suction head |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU855127A1 (en) * | 1979-02-12 | 1981-08-15 | Калининский Ордена Трудового Красного Знамени Политехнический Институт | Suction dredger ground-taking apparatus |
| CN2353799Y (en) * | 1998-12-16 | 1999-12-15 | 泰兴市水泵厂 | Milling-cutting mud-suction mechanism of underwater mud-suction dredging machine |
| CN201284490Y (en) * | 2008-09-27 | 2009-08-05 | 中交天津港航勘察设计研究院有限公司 | Annular crossing hinged static determination and box type structure cutter front end dredging system of twisting suction vessel |
| CN201280732Y (en) * | 2008-10-21 | 2009-07-29 | 吴方春 | Steering propulsion device of suction dredger suction head |
| CN202202348U (en) * | 2011-08-08 | 2012-04-25 | 中交天津港航勘察设计研究院有限公司 | Reamer with hydraulic characteristic used for dredger |
| CN204023654U (en) * | 2014-06-12 | 2014-12-17 | 山东海领船舶机械有限公司 | Strand inhales device |
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2018
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