CN105507355B - A kind of free floating suction dredge(r) - Google Patents
A kind of free floating suction dredge(r) Download PDFInfo
- Publication number
- CN105507355B CN105507355B CN201610011448.2A CN201610011448A CN105507355B CN 105507355 B CN105507355 B CN 105507355B CN 201610011448 A CN201610011448 A CN 201610011448A CN 105507355 B CN105507355 B CN 105507355B
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- CN
- China
- Prior art keywords
- rake teeth
- movable guard
- suction dredge
- free floating
- pressure sprayer
- Prior art date
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Links
- 238000007667 floating Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000013519 translation Methods 0.000 claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 8
- 230000001141 propulsive effect Effects 0.000 claims description 4
- 239000010802 sludge Substances 0.000 abstract description 15
- 239000002689 soil Substances 0.000 abstract description 13
- 238000005065 mining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
- E02F3/907—Measuring or control devices, e.g. control units, detection means or sensors
-
- 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
- E02F3/9262—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with jets
-
- 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
- E02F3/94—Apparatus for separating stones from the dredged material, i.e. separating or treating dredged material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Treatment Of Sludge (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of free floating suction dredge(r), including hull, movable guard is provided with driving briquetting, the top of briquetting is driven to be provided with the second drive device, the inside of movable guard is provided with translation mechanism, translation mechanism is provided with mobile through hole, the inside of movable guard is provided with rake teeth shell, provided with linking block in rake teeth shell, the inclined plane for being connected block is provided with rake teeth, and the top surface of linking block is provided with fixed plate, and the both sides of fixed plate are provided with locating shaft, the inner vertical of movable guard is provided with the first high-pressure sprayer, and the outer end of movable guard is provided tiltedly with the second high-pressure sprayer.The present invention is cooperated to spray using the first high-pressure sprayer and the second high-pressure sprayer, loose water-bed soil block, rake teeth is driven to move up and down simultaneously, one section of notch is excavated out at the bottom, rake teeth is facilitated to harrow the hard sludge of matter when harrowing mud, the excavating resistance of drag head is reduced, the mining ability and dredging efficiency of drag head is improved, with dredging efficiency height and the low effect of production cost.
Description
Technical field
The invention belongs to dredger design field, more particularly to a kind of free floating suction dredge(r).
Background technology
Free floating suction dredge(r) is a kind of large-scale boat, binning certainly for being equipped with drag head excavation equipment and hydraulic dredging device
Formula dredger, it couples suction pipe with installing cabin slush pump by being placed in the drag head of the hull side side of a ship, is put under water as drag head is past,
With drag head by mud inspiration cabin, by while inhaling, while navigate by water in the way of work.Free floating suction dredge(r) specific works are：Dredge
When, rake suction pipe is put down into river bed, using the vacuum action of slush pump, is entered by drag head and dredging tube from river bed absorbent slurry and dug
In the hopper dredger of mud ship, after hopper dredger is full, plays rake navigation to mud dumping area and open mud door dump, or the soil dug is directly discharged into ship
Outside.Free floating suction dredge(r) has good navigation performance, can be from boat, self-contained, self-unloading, at work in navigation shape
State, it is not necessary to positioner, and utilize drag head processing special barrier and rubbish.
For some river courses, due to the muddiness of river, free floating suction dredge(r) operation when be difficult to river under
Drag head carry out observation in kind, it is impossible to understand drag head the location of in river course and the depth dredged, cause drag head to dredge effect
It is really poor；And different river courses, its bottom runs into the situation of closely knit hardened silt, fine sand and hard paste sometimes, for this
When kind bottom of river channel matter digs motionless firmly, the production efficiency and construction speed of free floating suction dredge(r) are directly influenced.
The content of the invention
Present invention aims at solve above-mentioned technical problem present in prior art to dredge from boat rake suction there is provided a kind of
Ship, the draft and drag head of hull can be calculated the location of in river course by obliquity sensor, adjustment rake teeth
Mud angle is harrowed, water-bed vertical high voltage is washed by water using the first high-pressure sprayer, the second high-pressure sprayer tilts high to the bottom
Pressure bath, the first high-pressure sprayer and the second high-pressure sprayer cooperate to spray, loose water-bed soil block, while driving rake
Tooth is moved up and down, and one section of notch is excavated out at the bottom, is facilitated rake teeth to harrow the hard sludge of matter when harrowing mud, is reduced the digging of drag head
Resistance is dug, the mining ability and dredging efficiency of drag head is improved.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of free floating suction dredge(r), including hull, the suction dredge structure on hull, the rake on suction dredge structure
Head, the hopper dredger in hull, the propulsive mechanism on hull and the dump mechanism on hull, it is characterised in that：Inhale
Mud mechanism is provided with obliquity sensor, and drag head is provided with movable guard, and movable guard is provided with first driving means, first driving means
With reference to the data-driven movable guard of obliquity sensor；Movable guard drives provided with driving briquetting, the top of driving briquetting provided with second
Dynamic device, the inside of movable guard is provided with translation mechanism, drives briquetting zigzag tread patterns translation mechanism, translation mechanism is provided with mobile logical
Hole, the inside of movable guard is provided with rake teeth shell, and rake teeth shell is located at the lower section of translation mechanism, and translation mechanism is horizontal on rake teeth shell
To movement, provided with block is connected in rake teeth shell, the inclined plane of linking block is provided with rake teeth, and the top surface of linking block is provided with fixation
Plate, the both sides of fixed plate are provided with locating shaft, and locating shaft is movably connected in mobile through hole；The inner vertical of movable guard is provided with first
High-pressure sprayer, the first high-pressure sprayer is located at the side of rake teeth；The outer end of movable guard is provided tiltedly with second and sprayed water with high pressure
Device, the second high-pressure sprayer is sprayed water with high pressure towards rake teeth, and the inclination angle of the second high-pressure sprayer and horizontal plane is
30 °~50 °, the free floating suction dredge(r) can calculate the draft and drag head of hull in river course by obliquity sensor
It is the location of middle, the rake mud angle of rake teeth is adjusted, water-bed vertical high voltage is washed by water using the first high-pressure sprayer, second is high
Water injector is pressed to tilt high-pressure flush to the bottom, the first high-pressure sprayer and the second high-pressure sprayer cooperate to spray,
Loose water-bed soil block, while driving rake teeth to move up and down, one section of notch is excavated out at the bottom, facilitates rake teeth to harrow that matter is hard during mud
Sludge is harrowed, and reduces the excavating resistance of drag head, improves the mining ability and dredging efficiency of drag head.
Further, suction dredge structure includes suspension bracket, carriage and dredging tube, and suspension bracket is on hull, dredging tube and drag head
Dredging tube is hung onto the bottom by connection, suspension bracket by carriage, and drag head carries out rake mud effect, by drag head and dredging tube from river
Bottom absorbent slurry enters in the hopper dredger in hull.
Further, first driving means include the first pull bar and pedestal, and the first pull bar is rotationally connected with pedestal, and pedestal is solid
Surely it is connected on movable guard, the first pull bar pulls pedestal, the data-driven movable guard of the first pull bar combination obliquity sensor, adjustment
The rake mud angle of rake teeth.
Further, the second drive device includes the second pull bar and drive block, and the second pull bar control drive block moves up and down, driven
Elasticity reset device is provided between motion block and driving briquetting, elasticity reset device plays a part of to drive block elastic reset.
Further, translation mechanism is provided with neck, and driving briquetting drive connection realizes that driving briquetting longitudinally drives in neck
Dynamic translation mechanism.
Further, rake teeth includes connecting portion and teeth portion, the cross-sectional area triangular shape of the outer end of teeth portion, the teeth portion of rake teeth
Section is directly connected to the depth of rake mud, and cross-sectional area triangular shape can increase dynamics of the rake teeth to sludge, improve drag head
Mining ability.
Further, the first high-pressure sprayer includes captation, the first flushometer and first jet, first jet pair
Sprayed water with high pressure at the bottom.
Further, dividing plate is provided between the first flushometer, the length of dividing plate is more than the length of the first flushometer, dividing plate
Disturbed each other when can prevent first jet from being sprayed water with high pressure to the bottom, and water vertically can be rushed by the setting of dividing plate
Onto sludge, loose water-bed soil block.
Further, the second high-pressure sprayer includes the second flushometer and second nozzle, and second nozzle enters towards rake teeth
Horizontal high voltage is sprayed water.
Further, the mud inlet of movable guard is provided with knot screen, and the knot screen includes first baffle and second baffle,
First baffle laterally on the movable guard, second baffle longitudinal direction uniformly on first baffle, first baffle and second baffle
Structure can stop the larger pollutant of some volumes, the dredging tube that the pollutant for preventing volume larger is blocked on suction dredge structure.
The present invention is by adopting the above-described technical solution, have the advantages that：
1st, the present invention by obliquity sensor measure both sides dredging tube horizontal and vertical angle and institute it is underwater
Depth, ship lateral inclination and fore-and-aft tilt, the horizontal displacement of dredging tube and relative water suction depth, can according to these data
Is inclined with calculating the first pull bar of the draft and drag head of hull in river course in location, first driving means and combining
The data-driven movable guard of angle transducer, adjusts the rake mud angle of rake teeth, using the first high-pressure sprayer to water-bed vertical height
Dividing plate is provided between the first flushometer on pressure bath, the first high-pressure sprayer, the length of dividing plate is more than the first bath dress
The length put, dividing plate is disturbed each other when can prevent first jet from being sprayed water with high pressure to the bottom, and the setting of dividing plate
Water can vertically be rushed and fallen on sludge, loose water-bed soil block, the second high-pressure sprayer tilts high-pressure flush to the bottom, and second is high
The inclination angle for pressing water injector and horizontal plane is 30 °~50 °, such first high-pressure sprayer and the second high-pressure sprayer phase
Mutually coordinate to spray, increase the porousness to water-bed soil block；The drive block motion of second pull bar control simultaneously, drive block is pressed with driving
Elasticity reset device is provided between block, elasticity reset device plays a part of to drive block elastic reset so that on driving briquetting
Lower motion, driving briquetting drives translation mechanism to move left and right, and because translation mechanism is provided with mobile through hole, the both sides of fixed plate are set
There is locating shaft, locating shaft is movably connected in mobile through hole so that translation mechanism driving rake teeth moves up and down, for setting for rake teeth
Structure is counted, it includes connecting portion and teeth portion, and the cross-sectional area triangular shape of the outer end of teeth portion, the teeth portion section of rake teeth is directly closed
The depth of rake mud is tied to, cross-sectional area triangular shape can increase dynamics of the rake teeth to sludge, improve the mining ability of drag head,
So rake teeth can excavate out one section of notch at the bottom, facilitate rake teeth to harrow the hard sludge of matter when harrowing mud, reduce the digging of drag head
Resistance is dug, the mining ability and dredging efficiency of drag head is improved, with dredging efficiency height and the low effect of production cost.
2nd, the mud inlet of movable guard is provided with knot screen in the present invention, and the knot screen includes first baffle and second gear
Plate, first baffle is laterally on movable guard, and second baffle longitudinal direction is uniformly located on first baffle, first baffle and second baffle
Structure can stop the larger pollutant of some volumes, the suction mud that the pollutant for preventing volume larger is blocked on suction dredge structure
Pipe.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of free floating suction dredge(r) of the invention；
Fig. 2 is the structural representation of drag head in the present invention；
Fig. 3 is the structural representation inside movable guard in the present invention；
Structural representation when Fig. 4 is present invention driving rake teeth；
Fig. 5 is the structural representation of rake teeth in the present invention；
Fig. 6 is the structural representation of the first high-pressure sprayer in the present invention；
Fig. 7 is the structural representation of the second high-pressure sprayer in the present invention；
Fig. 8 is the structural representation of knot screen in the present invention.
Embodiment
As shown in Figures 1 to 8, it is a kind of free floating suction dredge(r) of the invention, including hull 1, the suction on hull 1
Mud mechanism 2, the drag head 3 on suction dredge structure 2, the hopper dredger 4 in hull 1, the propulsive mechanism 5 on hull 1 and set
In the dump mechanism 6 on hull 1.Propulsive mechanism 5 makes hull 1 have good navigation performance so that hull 1 has from boat energy
Power.Suction dredge structure 2 includes suspension bracket 21, carriage 22 and dredging tube 23, and suspension bracket 21 is on hull 1, dredging tube 23 and drag head 3
Dredging tube 23 is hung onto the bottom by connection, suspension bracket 21 by carriage 22, and drag head 3 carries out rake mud effect, utilizes slush pump
Vacuum action, drag head 3 and dredging tube 23 enter in the hopper dredger 4 in hull 1 from river bed absorbent slurry, with while inhaling, while the side navigated by water
Formula works so that hull 1 has from loading capability.After sludge is full in hopper dredger 4,1 rake navigation to mud dumping area of hull opens dump machine
Mud door dump on structure 6, discharges outboard so that hull 1 has self-unloading ability by the soil dug.
For some river courses, due to the muddiness of river, free floating suction dredge(r) operation when be difficult to river under
Drag head carry out observation in kind, it is impossible to drag head 3 is understood the location of in river course and the depth dredged, for this situation.
The present invention sets obliquity sensor 7 on suction dredge structure 2, and the measurement range of obliquity sensor 7 is ± 30 °, and measurement accuracy is
0.01 °, its mode signal output obtained is digital output or analog output, and operating temperature is -40 DEG C~85 DEG C, is resisted
Impact is 1000g.Obliquity sensor 7 measures the underwater depth of horizontal and vertical angle and institute of both sides dredging tube 23
Degree, ship lateral inclination and fore-and-aft tilt, the horizontal displacement of dredging tube 23 and relative water suction depth, can according to these data
To calculate the draft and drag head 3 of hull 1 the location of in river course.
Drag head 3 is provided with movable guard 8, and the length of movable guard 8 is general between 1000mm~1700mm, and width typically exists
Between 1300mm~2900mm, the specific length and width of movable guard 8 is mainly determined according to the diameter of dredging tube 23.Activity
Cover 8 is provided with first driving means 9, and first driving means 9 include the first pull bar 24 and pedestal 25, and the first pull bar 24 rotates connection
In on pedestal 25, pedestal 25 is fixedly connected on movable guard 8, and the first pull bar 24 pulls pedestal 25, and the first pull bar 24 combines inclination angle
The data-driven movable guard 8 of sensor 7, adjusts the rake mud angle of rake teeth.Movable guard 8 drives briquetting provided with driving briquetting 10
10 top is provided with the second drive device 11, and the second drive device 11 includes the second pull bar 26 and drive block 27, the second pull bar 26
Control drive block 27 is moved up and down, and elasticity reset device 28, elasticity reset device are provided between drive block 27 and driving briquetting 10
28 play a part of to the elastic reset of drive block 27.Second 11 pairs of drive device driving briquetting driving effect about 10.Movable guard 8
Inside be provided with translation mechanism 12, drive the zigzag tread patterns translation mechanism 12 of briquetting 10：Translation mechanism 12 is provided with neck 29, driving
The drive connection of briquetting 10 realizes the driving zigzag tread patterns translation mechanism 12 of briquetting 10 in neck 29.Translation mechanism 12 is provided with shifting
Dynamic through hole 13, mobile through hole 13 is set obliquely.The inside of movable guard 8 is provided with rake teeth shell 14, and rake teeth shell 14 is located at translation
The lower section of mechanism 12, the transverse shifting on rake teeth shell 14 of translation mechanism 12.Provided with linking block 15 in rake teeth shell 14, it is connected block
15 inclined plane is provided with rake teeth 16, the design of rake teeth 16 and from according to the decision of water-bed soil property, the shape of reasonable selection rake teeth 16
Efficiency and the height of production cost that formula and size direct relation are dredged.Rake teeth 16 includes connecting portion 30 and teeth portion 31, teeth portion 31
Outer end cross-sectional area triangular shape, the section of the teeth portion 31 of rake teeth 16 is directly connected to the depth of rake mud, cross-sectional area
Triangular shape can increase dynamics of the rake teeth 16 to sludge, improve the mining ability of drag head 3.The top surface of linking block 15 is provided with
Fixed plate 17, the both sides of fixed plate 17 are provided with locating shaft 18, and locating shaft 18 is movably connected in mobile through hole 13：When locating shaft 18
During in the bottom for moving through hole 13, the effective length that rake teeth 16 stretches out is most long；When locating shaft 18 is in the top of mobile through hole 13
During portion, the effective length that rake teeth 16 is retracted is most short, and the continuous motion of locating shaft 18 causes rake teeth 16 constantly motion, such rake teeth 16
One section of notch can be excavated out at the bottom, facilitates rake teeth 16 to harrow the hard sludge of matter when harrowing mud.The inner vertical of movable guard 8 is provided with
First high-pressure sprayer 19, the first high-pressure sprayer 19 is located at the side of rake teeth 16, and the first high-pressure sprayer 19 includes
Captation 32, the first flushometer 33 and first jet 34, captation 32 are that the first flushometer 33 provides water, the first punching
Water installations 33 provide power to first jet 34, and 34 pairs of bottoms of first jet are sprayed water with high pressure, between the first flushometer 33
Provided with dividing plate 35, the length of dividing plate 35 is more than the length of the first flushometer 33, and dividing plate 35 can prevent first jet 34 to water
Disturbed each other when bottom is sprayed water with high pressure, and water can vertically be rushed and fallen on sludge by the setting of dividing plate 35, the loose bottom
Soil block.The outer end of movable guard 8 is provided tiltedly with the second high-pressure sprayer 20, and the second high-pressure sprayer 20 includes the second bath dress
36 and second nozzle 37 are put, the second flushometer 36 improves power to second nozzle 37, and second nozzle 37 is carried out towards rake teeth 16
Spray water with high pressure, the inclination angle a of the second high-pressure sprayer 20 and horizontal plane is 30 °~50 °, preferential to select 40 °.First high pressure spray
Water installations and the second high-pressure sprayer cooperate to spray, increase the porousness to water-bed soil block, most obvious effect is just
It is excavating depth increase, as shown in table 1：
Table 1 takes the mining effect after high-pressure flush effect
The mud inlet of movable guard 8 is provided with knot screen 38, and the knot screen 38 includes first baffle 39 and second baffle
40, first baffle 39 is laterally on movable guard 8, and the longitudinal direction of second baffle 40 is uniformly located on first baffle 39, first baffle 39
The larger pollutant of some volumes can be stopped with the structure of second baffle 40, the pollutant for preventing volume larger blocks suction dredge
Dredging tube 23 on structure 2.
The present invention by obliquity sensor 7 measure both sides dredging tube 23 horizontal and vertical angle and institute it is underwater
Depth, ship lateral inclination and fore-and-aft tilt, the horizontal displacement of dredging tube 23 and relative water suction depth, according to these data,
The first pull bar of the draft and drag head 3 of hull 1 in river course in location, first driving means 9 can be calculated
24 combine the data-driven movable guard 8 of obliquity sensor 7, the rake mud angle of rake teeth 16 are adjusted, using the first high-pressure sprayer
Dividing plate 35, dividing plate are provided between the first flushometer 33 on 19 pairs of water-bed vertical high voltage baths, the first high-pressure sprayer 19
35 length is more than the length of the first flushometer 33, when dividing plate 35 can prevent that 34 pairs of bottoms of first jet from spraying water with high pressure
Disturb each other, and water can vertically be rushed and fallen on sludge by the setting of dividing plate 35, loose water-bed soil block, and second sprays water with high pressure
20 pairs of device is water-bed to tilt high-pressure flush, and the inclination angle a of the second high-pressure sprayer 20 and horizontal plane is 30 °~50 °, and such the
One high-pressure sprayer 19 and the second high-pressure sprayer 20 cooperate to spray, increase the porousness to water-bed soil block；Together
When the second pull bar 26 control drive block 27 move, drive block 27 and driving briquetting 10 between be provided with elasticity reset device 28, elasticity
Resetting means 28 plays a part of to the elastic reset of drive block 27 so that driving briquetting 10 moves up and down, and driving briquetting 10 drives
Translation mechanism 12 is moved left and right, and because translation mechanism 12 is provided with mobile through hole 13, the both sides of fixed plate 17 are provided with locating shaft 18,
Locating shaft 18 is movably connected in mobile through hole 13 so that the driving rake teeth 16 of translation mechanism 12 moves up and down, for rake teeth 16
Design structure, it includes connecting portion 30 and teeth portion 31, the cross-sectional area triangular shape of the outer end of teeth portion 31, the teeth portion of rake teeth 16
31 sections are directly connected to the depth of rake mud, and cross-sectional area triangular shape can increase dynamics of the rake teeth 16 to sludge, increase
The excavating depth and excavation width of drag head 3, are conducive to the liquefaction and suspension of silt, such rake teeth 16 can excavate out one section at the bottom
Notch, facilitates rake teeth 16 to harrow the hard sludge of matter when harrowing mud, reduces the excavating resistance of drag head 3, improve the excavation energy of drag head 3
Power and dredging efficiency, with dredging efficiency height and the low effect of production cost.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (10)
1. a kind of free floating suction dredge(r), including hull, the suction dredge structure on the hull, located at the suction dredge structure
On drag head, the hopper dredger in the hull, the propulsive mechanism on the hull and the dump on the hull
Mechanism, it is characterised in that：The suction dredge structure is provided with obliquity sensor, and the drag head is provided with movable guard, the movable guard
It is provided with first driving means, first driving means movable guard with reference to described in the data-driven of the obliquity sensor；Institute
Movable guard is stated provided with driving briquetting, the top of the driving briquetting is provided with the second drive device, and the inside of the movable guard is set
There are translation mechanism, translation mechanism described in the driving briquetting zigzag tread patterns, the translation mechanism is provided with mobile through hole, the work
The inside of dynamic cover is provided with rake teeth shell, and the rake teeth shell is located at the lower section of the translation mechanism, and the translation mechanism is described
Provided with linking block in transverse shifting on rake teeth shell, the rake teeth shell, the inclined plane of the linking block is provided with rake teeth, described
The top surface for being connected block is provided with fixed plate, and the both sides of the fixed plate are provided with locating shaft, and the locating shaft is movably connected on described
In mobile through hole；The inner vertical of the movable guard is provided with the first high-pressure sprayer, and first high-pressure sprayer is located at
The side of the rake teeth；The outer end of the movable guard is provided tiltedly with the second high-pressure sprayer, second high-pressure sprayer
Sprayed water with high pressure towards the rake teeth, the inclination angle of second high-pressure sprayer and horizontal plane is 30 °~50 °.
2. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：The suction dredge structure includes hanging
Frame, carriage and dredging tube, the suspension bracket is on the hull, and the dredging tube is connected with the drag head.
3. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：The first driving means include
First pull bar and pedestal, first pull bar are rotationally connected with the pedestal, and the pedestal is fixedly connected on the movable guard
On.
4. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：Second drive device includes
Second pull bar and drive block, second pull bar control the drive block to move up and down, the drive block and the driving briquetting
Between be provided with elasticity reset device.
5. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：The translation mechanism is provided with card
Groove, the driving briquetting drive connection realizes translation mechanism described in the driving briquetting zigzag tread patterns in the neck.
6. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：The rake teeth include connecting portion and
Teeth portion, the cross-sectional area triangular shape of the outer end of the teeth portion.
7. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：First high-pressure sprayer
Including captation, the first flushometer and first jet, the first jet sprays water with high pressure to the bottom.
8. a kind of free floating suction dredge(r) according to claim 7, it is characterised in that：Between first flushometer
Provided with dividing plate, the length of the dividing plate is more than the length of first flushometer.
9. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：Second high-pressure sprayer
Including the second flushometer and second nozzle, the second nozzle is sprayed water with high pressure towards the rake teeth.
10. a kind of free floating suction dredge(r) according to claim 1, it is characterised in that：The mud inlet of the movable guard
Provided with knot screen, the knot screen includes first baffle and second baffle, and the first baffle is laterally located at the activity
On cover, the second baffle longitudinal direction is uniformly on the first baffle.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106677240A (en) * | 2016-11-22 | 2017-05-17 | 中交疏浚技术装备国家工程研究中心有限公司 | Method for dredging saturated and dense silty fine sands and silty soil |
| WO2019010652A1 (en) * | 2017-07-12 | 2019-01-17 | 顾建磊 | Drag suction dredger |
| WO2019018994A1 (en) * | 2017-07-25 | 2019-01-31 | 袁晓霞 | High-efficiency trailing suction hopper dredger |
| CN108824532B (en) * | 2018-07-05 | 2023-07-11 | 长江南京航道工程局 | Automatic adjust rotation angle's self-propelled trailing suction hopper dredger drag head |
| WO2020077548A1 (en) * | 2018-10-16 | 2020-04-23 | 张彩萍 | Trailing suction hopper dredger structure |
| CN110044593B (en) * | 2019-04-12 | 2020-09-29 | 中交疏浚技术装备国家工程研究中心有限公司 | Hob head test method for trailing suction hopper dredger |
| CN110044592B (en) * | 2019-04-12 | 2020-09-29 | 中交疏浚技术装备国家工程研究中心有限公司 | Hob head test system of trailing suction hopper dredger |
| CN109914506A (en) * | 2019-04-12 | 2019-06-21 | 中交天航滨海环保浚航工程有限公司 | Guarantee the trailing suction hopper dredger drag head of mud passability |
| CN111395433B (en) * | 2020-04-20 | 2022-04-26 | 中交疏浚技术装备国家工程研究中心有限公司 | Novel high-efficient harrow head of integral type |
| CN111908664B (en) * | 2020-08-26 | 2023-11-24 | 济南金宇公路产业发展有限公司 | Static lake water ecological restoration system and working method |
| CN113073979A (en) * | 2021-04-27 | 2021-07-06 | 中国船舶工业集团公司第七0八研究所 | Self-propelled trailing suction offshore ore sand mining ship |
| CN115522589B (en) * | 2022-10-21 | 2024-03-29 | 中水珠江规划勘测设计有限公司 | Water environment treatment silt treatment equipment |
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| US20050268499A1 (en) * | 2004-06-04 | 2005-12-08 | Weinrib Harry P | Method and apparatus for pumping with a dredge |
| NL2003800C2 (en) * | 2009-11-13 | 2011-05-16 | Baggerwerken Decloedt & Zn N V | Device for dredging soil material under water. |
| CN102758462A (en) * | 2012-07-12 | 2012-10-31 | 长江武汉航道工程局 | Stem punching device for self-propelled trailing suction hopper dredgers and construction method thereof |
| 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 |
| CN205276348U (en) * | 2016-01-08 | 2016-06-01 | 浙江水利水电学院 | Self -navigation trailing suction dredge |
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