CN108797686B - Drag head device for silt drag suction ship - Google Patents
Drag head device for silt drag suction ship Download PDFInfo
- Publication number
- CN108797686B CN108797686B CN201810676148.5A CN201810676148A CN108797686B CN 108797686 B CN108797686 B CN 108797686B CN 201810676148 A CN201810676148 A CN 201810676148A CN 108797686 B CN108797686 B CN 108797686B
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- Prior art keywords
- drag
- fixedly connected
- hole
- guide
- silt
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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
-
- 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
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Soil Working Implements (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a drag head device for a sediment drag suction ship, and relates to the technical field of dredging equipment. The invention comprises a harrow suction head fixedly connected with a guide pipe; the inner surface of the guide pipe is in sliding fit with two fixed rods which are symmetrically arranged; a plurality of connecting rods are arrayed on the peripheral side of the fixed rod; the fixed rod is connected with the telescopic device through the rotating connecting piece and the connecting block. The invention solves the problem that the existing sundries enter the harrow head to block a mud conveying pipeline or a mud pump by arranging the fixed rod which is fixedly connected with the connecting rod with the harrow teeth; through setting up stand pipe and telescoping device, utilize the dead lever rather than the cooperation, realize moving about the dead lever, solved current grid and blockked up difficult clear away, consuming time power, influence work efficiency's problem.
Description
Technical Field
The invention belongs to the technical field of dredging equipment, and particularly relates to a drag head device for a sediment drag suction ship.
Background
The harrow suction type silt particle dredger meets various soil working conditions in the construction process, a silt conveying pipeline or a dredge pump is blocked by the harrow suction head for preventing sundries from entering the harrow suction head, a grille is generally installed on the harrow suction head, the traditional grille form is generally a hard grille, namely a rigid structure formed by welding steel plates or round steel bars, but garbage or stones are blocked on the grille under the action of suction force, the production efficiency of the harrow suction hopper dredger can be greatly reduced, and once the blockage occurs, the blockage is difficult to clear, the time and labor are consumed, the continuity of construction cannot be maintained, the time utilization rate is reduced, and the actual construction problems that certain economic losses are caused by the influence on the working efficiency are solved.
Disclosure of Invention
The invention aims to provide a drag head device for a silt drag suction boat, which solves the problem that the existing drag head blocks a silt conveying pipeline or a dredge pump when sundries enter the drag head by arranging a fixed rod which is fixedly connected with a connecting rod with drag teeth; through setting up stand pipe and telescoping device, utilize the dead lever rather than the cooperation, realize moving about the dead lever, solved current grid and blockked up difficult clear away, consuming time power, influence work efficiency's problem.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a drag head device for a silt drag suction boat, which comprises a drag suction head;
one side surface of the harrow suction head is fixedly connected with a guide pipe; one side surface of each harrow suction head is fixedly connected with a telescopic device side by side;
the inner surface of the guide pipe is in sliding fit with two fixed rods which are symmetrically arranged; the peripheral side surfaces of two ends of the guide pipe are provided with guide notches and sliding notches;
a blind hole is formed in one end face of the fixed rod; a step hole is formed in the circumferential side surface of one end of the fixed rod relative to the blind hole; the peripheral side surface of one end of the fixed rod is fixedly connected with a guide pillar matched with the guide groove opening; a plurality of connecting rods are arrayed on the peripheral side of the fixed rod;
the inner surface of the blind hole is rotatably connected with a rotating connecting piece; the circumferential side surface of the rotary connecting piece is rotatably connected with a connecting block; one surface of the connecting block is fixedly connected with the telescopic device.
Further, the peripheral side surface of the rotary connecting piece is in sliding fit with the inner surface of the blind hole; the circumferential side surfaces of two ends of the rotary connecting piece are respectively provided with an annular groove; and the annular groove channel corresponds to the stepped hole and is fixed through a pin shaft.
Furthermore, a through hole is formed in one surface of the connecting block; a check ring is fixedly connected to the inner surface of the through hole;
the inner surface of the through hole is in sliding fit with the peripheral side surface of the rotating connecting piece; the outer surface of the retainer ring is in sliding fit with the inner surface of the annular channel.
Furthermore, a plurality of rake teeth are arrayed on one side face of the connecting rod; the rake teeth are of a triangular prism structure; the upper surface of the rake teeth is of an inclined plane structure.
The invention has the following beneficial effects:
1. according to the invention, the connecting rod with the rake teeth is arranged on one side surface in the advancing direction of the rake suction head, so that garbage and stones in silt or silt are filtered, and the condition that the garbage or stones enter the rake suction head to cause blockage is effectively avoided.
2. According to the invention, the left fixing rod and the right fixing rod are matched with the guide pipe, the left fixing rod and the right fixing rod are moved leftwards and rightwards by the telescopic device, and the fixing rods can turn over when moving outwards by the guide pillar and the guide groove opening, so that garbage and stones on the connecting rods and the rake teeth are removed; automatic cleaning is realized; the problem of current grid block up difficult clear away, consuming time power, influence work efficiency is solved.
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 drag head device for a silt drag suction boat according to the present invention;
FIG. 2 is a schematic structural view of a guide tube;
FIG. 3 is a schematic bottom view of the structure of FIG. 2;
FIG. 4 is a schematic structural view of a fixing rod and a connecting rod;
FIG. 5 is a schematic view of a rotary joint;
FIG. 6 is a schematic structural view of a connecting block;
fig. 7 is a schematic view of the rake teeth;
in the drawings, the components represented by the respective reference numerals are listed below:
1-rake suction head, 2-guide tube, 3-telescopic device, 4-fixed rod, 5-rotary connector, 201-guide notch, 202-sliding notch, 401-blind hole, 402-stepped hole, 403-guide column, 404-connecting rod, 501-connecting block, 502-annular channel, 4041-rake teeth, 5011-through hole, 5012-retainer ring.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "peripheral side," "end," "center," "length," "inner," "peripheral" and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.
The invention relates to a drag head device for a silt drag suction boat, which comprises a drag suction head 1;
as shown in figure 1, a guide pipe 2 is welded on one side surface of a rake suction head 1; one side surface of the harrow suction head 1 is fixedly connected with two telescopic devices 3 side by side; the telescopic device 3 can be a hydraulic cylinder or an air cylinder;
the inner surface of the guide tube 2 is matched with two fixed rods 4 which are symmetrically arranged; the peripheral side surfaces of two ends of the guide tube 2 are provided with a guide notch 201 and a sliding notch 202; one end of the guide notch 201 is arc-shaped, and the arc-shaped transition is carried out from the top position of the guide pipe 2 to the front surface of the guide pipe 2;
one end surface of the fixed rod 4 is provided with a blind hole 401; a step hole 402 is formed on the circumferential side surface of one end of the fixing rod 4 corresponding to the blind hole 401; a guide post 403 matched with the guide notch 201 is fixedly connected to the peripheral side surface of one end of the fixed rod 4; the peripheral side surface of the guide post 403 is in sliding fit with the inner surface of the guide slot 201 when the fixing rod 4 moves outwards; the guide column 403 is guided and limited through the guide groove opening 201, so that the fixing rod 4 is overturned;
as shown in fig. 4, the fixing bars 4 are arrayed with connecting bars 404 on the circumferential side;
as shown in fig. 7, rake teeth 4041 are arrayed on one side of the connecting rod 404; rake teeth 4041 are triangular prism structures; the upper surfaces of the rake teeth 4041 are of inclined surface structures; the rake suction head 1 has a triangular prism structure, so that the resistance to the advancing direction of the rake suction head 1 can be reduced, the upper surfaces of the rake teeth 4041 are inclined structures, so that garbage can be collected, and the garbage can be conveniently and automatically cleaned in the following process between the two rake teeth 4041;
the inner surface of the blind hole 401 is rotatably connected with a rotating connecting piece 5; the circumferential side surface of the connecting piece 5 is rotationally connected with a connecting block 501; one surface of the connecting block 501 and the telescopic device 3 can be connected by welding or adopting thread connection or a hole is formed on one surface of the connecting block 501 and is matched and connected with the telescopic rod end of the telescopic device 3;
as shown in fig. 5, the circumferential side surface of the rotary connecting piece 5 is in sliding fit with the inner surface of the blind hole 401; the circumferential side surfaces of two ends of the rotating connecting piece 5 are respectively provided with an annular groove 502; the annular groove 502 at one end of the rotary connecting piece 5 corresponds to the stepped hole 402 and is fixed through a pin shaft; the stepped bore 402 may be a threaded bore; the pin shaft can also be replaced by a screw, and the screw is matched with the thread of the stepped hole 402 to extend into the annular groove channel 502 to limit the axial movement of the rotary connecting piece 5 and prevent the rotary connecting piece 5 from falling off;
as shown in fig. 6, a through hole 5011 is formed in one surface of the connecting block 501; a check ring 5012 is fixedly connected to the inner surface of the through hole 5011;
the inner surface of the through hole 5011 is in sliding fit with the peripheral side surface of the rotating connector 5; the outer surface of the retaining ring 5012 is in sliding fit with the inner surface of the annular channel 502; the connecting block 501 and the rotary connecting piece 5 can freely rotate;
the telescoping device 3 through control both ends can realize moving about dead lever 4, moves to the outside, and when guide pillar 403 on the dead lever 4 moved 2 one ends of stand pipe, drive dead lever 4 under the restriction of direction notch 201 and realize the upset, makes connecting rod 404 of dead lever 4 below begin clockwise rotation to will collect rubbish or the stone between connecting rod 404 and rake teeth 4041 and drop under the effect of rivers and gravity automatically, realize automatic clearance.
The telescopic time of two 3 accessible relay control of telescoping device realizes regularly clearing up, and great condition emergence of having avoided harrow suction head 1 to block up, simultaneously, in time clear up rubbish, reduced the resistance when harrow suction head 1 marchs, reduced the process of artifical clearance simultaneously, keep the continuity of construction, improved time utilization and work efficiency, practiced thrift construction cost.
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 (4)
1. A drag head device for a silt drag suction boat comprises a drag suction head (1); the method is characterized in that:
one side surface of the harrow suction head (1) is fixedly connected with a guide pipe (2); one side surface of the harrow suction head (1) is fixedly connected with a telescopic device (3) side by side;
the inner surface of the guide tube (2) is matched with two fixing rods (4) which are symmetrically arranged; the peripheral side surfaces of two ends of the guide pipe (2) are respectively provided with a guide notch (201) and a sliding notch (202);
one end of the guide notch (201) is arc-shaped and is in arc transition from the top of the guide pipe (2) to the front of the guide pipe (2);
a blind hole (401) is formed in one end face of the fixing rod (4); a step hole (402) is formed in the circumferential side surface of one end of the fixing rod (4) corresponding to the blind hole (401); the peripheral side surface of one end of the fixed rod (4) is fixedly connected with a guide post (403) matched with the guide notch (201); a plurality of connecting rods (404) are arrayed on the peripheral side of the fixing rod (4);
the inner surface of the blind hole (401) is rotatably connected with a rotating connecting piece (5); the peripheral side surface of the rotary connecting piece (5) is rotationally connected with a connecting block (501); one surface of the connecting block (501) is fixedly connected with the telescopic device (3).
2. Drag head device for a silt drag suction vessel according to claim 1, wherein the circumferential side of the swivel connection (5) is in sliding engagement with the inner surface of the blind hole (401); the circumferential sides of the two ends of the rotary connecting piece (5) are respectively provided with an annular groove channel (502); one of the annular grooves (502) corresponds to the stepped hole (402) and is fixed by a pin.
3. The drag head device for a silt drag suction dredger according to claim 2, wherein a through hole (5011) is formed in one surface of the connecting block (501); the inner surface of the through hole (5011) is fixedly connected with a check ring (5012);
the inner surface of the through hole (5011) is in sliding fit with the peripheral side surface of the rotary connecting piece (5); the outer surface of the retainer ring (5012) is in sliding fit with the inner surface of the annular channel (502).
4. The drag head apparatus for a silt drag suction vessel according to claim 1, wherein said connecting rod (404) has a plurality of drag teeth (4041) arrayed on one side; the rake teeth (4041) are of a triangular prism structure; the upper surface of the rake teeth (4041) is of an inclined surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676148.5A CN108797686B (en) | 2018-06-27 | 2018-06-27 | Drag head device for silt drag suction ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676148.5A CN108797686B (en) | 2018-06-27 | 2018-06-27 | Drag head device for silt drag suction ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108797686A CN108797686A (en) | 2018-11-13 |
| CN108797686B true CN108797686B (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810676148.5A Active CN108797686B (en) | 2018-06-27 | 2018-06-27 | Drag head device for silt drag suction ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108797686B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1479577A1 (en) * | 1987-04-03 | 1989-05-15 | Московский Горный Институт | Dragging soil receptacle |
| CN201797766U (en) * | 2010-07-30 | 2011-04-20 | 邓维成 | Drag head for sun-drying grain |
| JP2011163044A (en) * | 2010-02-12 | 2011-08-25 | Nippon Kenki:Kk | Gravel removing bucket |
| CN102334793A (en) * | 2011-07-22 | 2012-02-01 | 陈烁 | Sliding chute rod crutch |
| CN203668991U (en) * | 2013-11-20 | 2014-06-25 | 中交天津航道局有限公司 | Removing device of drag head grid blockages |
| CN203924166U (en) * | 2014-06-16 | 2014-11-05 | 中交天津航道局有限公司 | The two grid devices of a kind of trailing suction hopper dredger drag head |
| CN204212199U (en) * | 2014-11-05 | 2015-03-18 | 中港疏浚有限公司 | A kind of trailing suction hopper dredger drag head |
| CN106638749A (en) * | 2016-10-13 | 2017-05-10 | 天津市博瑞克泵业科技发展有限公司 | Rotary-cut type movable drag of drag suction dredger |
| EP3205778A1 (en) * | 2016-02-05 | 2017-08-16 | Baggerwerken Decloedt en Zoon N.V. | Dredging head and associated method for forming a trench in an underwater bottom |
-
2018
- 2018-06-27 CN CN201810676148.5A patent/CN108797686B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1479577A1 (en) * | 1987-04-03 | 1989-05-15 | Московский Горный Институт | Dragging soil receptacle |
| JP2011163044A (en) * | 2010-02-12 | 2011-08-25 | Nippon Kenki:Kk | Gravel removing bucket |
| CN201797766U (en) * | 2010-07-30 | 2011-04-20 | 邓维成 | Drag head for sun-drying grain |
| CN102334793A (en) * | 2011-07-22 | 2012-02-01 | 陈烁 | Sliding chute rod crutch |
| CN203668991U (en) * | 2013-11-20 | 2014-06-25 | 中交天津航道局有限公司 | Removing device of drag head grid blockages |
| CN203924166U (en) * | 2014-06-16 | 2014-11-05 | 中交天津航道局有限公司 | The two grid devices of a kind of trailing suction hopper dredger drag head |
| CN204212199U (en) * | 2014-11-05 | 2015-03-18 | 中港疏浚有限公司 | A kind of trailing suction hopper dredger drag head |
| EP3205778A1 (en) * | 2016-02-05 | 2017-08-16 | Baggerwerken Decloedt en Zoon N.V. | Dredging head and associated method for forming a trench in an underwater bottom |
| CN106638749A (en) * | 2016-10-13 | 2017-05-10 | 天津市博瑞克泵业科技发展有限公司 | Rotary-cut type movable drag of drag suction dredger |
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| Publication number | Publication date |
|---|---|
| CN108797686A (en) | 2018-11-13 |
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