[go: up one dir, main page]

WO2019010652A1 - Drague suceuse à traînée - Google Patents

Drague suceuse à traînée Download PDF

Info

Publication number
WO2019010652A1
WO2019010652A1 PCT/CN2017/092638 CN2017092638W WO2019010652A1 WO 2019010652 A1 WO2019010652 A1 WO 2019010652A1 CN 2017092638 W CN2017092638 W CN 2017092638W WO 2019010652 A1 WO2019010652 A1 WO 2019010652A1
Authority
WO
WIPO (PCT)
Prior art keywords
disposed
movable cover
suction
water spray
pressure water
Prior art date
Application number
PCT/CN2017/092638
Other languages
English (en)
Chinese (zh)
Inventor
顾建磊
Original Assignee
顾建磊
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 顾建磊 filed Critical 顾建磊
Priority to PCT/CN2017/092638 priority Critical patent/WO2019010652A1/fr
Publication of WO2019010652A1 publication Critical patent/WO2019010652A1/fr

Links

Images

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
    • 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
    • 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

Definitions

  • the present invention relates to a suction dredger, and more particularly to a suction dredger with a long maintenance cycle.
  • the self-propelled suction dredger is a large-scale self-propelled and loaded dredger equipped with a hoe excavator and a hydraulic suction device, which is connected to the suction pipe and the installation cabin by a hoe placed on the side of the hull.
  • the mud pump with the steamed buns under the water, sucks the mud into the cabin with a hoe, and works by sucking and sailing.
  • the specific work of the self-propelled suction dredger is: when dredging, put the sucker pipe down the bottom of the river, use the vacuum action of the mud pump, and absorb the mud from the bottom of the river through the steamed buns and suction pipe into the mud bin of the dredger.
  • the self-propelled suction dredger has good navigation performance, can be self-propelled, self-loading, self-unloading, is in a state of navigation during work, does not require positioning devices, and uses the hoe to handle special obstacles and garbage.
  • a suction dredger comprising a hull, a suction mechanism disposed on the hull, a hoe arranged on the suction mechanism, and a mud hopper disposed in the hull
  • the propulsion mechanism provided on the hull and the displacement mechanism arranged on the hull have a movable cover on the hoe.
  • the innovation is that the mud inlet of the movable cover is provided with a decontamination device, and the decontamination device comprises a horizontal device.
  • a first baffle on the movable cover and a plurality of second baffles uniformly disposed on the first baffle; the first baffle and the second baffle are respectively provided with a plurality of blocking holes arranged in an array;
  • a cleaning device is also disposed on one side of the impurity removing device, and the cleaning device is a high pressure air gun facing the first baffle and the second baffle of the decontamination device, and the high pressure air gun air outlet is provided with a backflow prevention rubber ring.
  • the technical solution of the present invention firstly blocks the relatively large impurities in the mud removing device to avoid clogging, and the through holes on the first baffle and the second baffle can pass the impurities allowed by the specification. Large debris refuses. After working for a long time, the through hole will be gradually closed by debris. At this time, the high pressure air gun will carry out high pressure jet to clear the through hole, and then continue to work. The anti-backflow rubber ring on the high pressure air gun can prevent the liquid from being high pressure. The air gun is countercurrent.
  • the suction mechanism is provided with a tilting sensor
  • the movable head is provided with a movable cover
  • the movable cover is provided with a first driving device
  • the first driving device drives the movable cover in combination with the data of the inclination sensor
  • the movable cover A driving pressure block is arranged on the top of the driving pressure block
  • a second driving device is arranged on the top of the driving pressure block.
  • the movable cover is internally provided with a translation mechanism, and the driving pressure block drives the translation mechanism longitudinally.
  • the translation mechanism is provided with a moving through hole, and the movable cover is provided.
  • the inner part is provided with a molar outer casing, the molar outer casing is disposed under the translation mechanism, the translation mechanism moves laterally on the molar outer casing, and the connecting piece is arranged in the molar outer casing, and the inclined surface of the connecting block is provided with the molar tooth
  • a fixing plate is disposed on a top surface of the connecting block, and a positioning shaft is disposed on both sides of the fixing plate, the positioning shaft is movably connected to the moving through hole; and a first high-pressure water spraying device is vertically disposed on an inner side of the movable cover, first a high-pressure water spray device is disposed on one side of the molar; a second high-pressure water spray device is obliquely disposed at an outer end of the movable cover, and a second high-pressure water spray device performs high-pressure water spray toward the molar, and the second high-pressure water spray Device and level
  • the inclination angle is 30 ° ⁇ 50 °.
  • the suction mechanism includes a hanger, a sliding device, and a suction pipe.
  • the hanger is disposed on the hull, and the suction pipe is in communication with the hoe.
  • the first drive device includes a first pull rod and a base, the first pull rod is rotatably coupled to the base, and the base is fixedly coupled to the movable cover.
  • the second driving device includes a second pull rod and a driving block, the second pull rod controls the driving block to move up and down, and an elastic reset device is disposed between the driving block and the driving pressing block.
  • the translation mechanism is provided with a card slot
  • the driving pressure block is drivingly connected to the card slot to realize driving the pressure block longitudinally driving the translation mechanism.
  • the molars include a connecting portion and a tooth portion, the outer end of the tooth portion having a triangular cross-sectional area.
  • the first high pressure water spray device includes a water collecting device, a first flushing device, and a first nozzle, and the first nozzle performs high pressure water jetting on the bottom of the water.
  • a partition is provided between the first flushing devices, the length of the partition being greater than the length of the first flushing device.
  • the second high pressure water spray device includes a second flushing device and a second nozzle, and the second nozzle sprays water at a high pressure toward the molars.
  • the invention has the advantages that the invention measures the horizontal and vertical angles of the suction pipes on both sides and the depth of the underwater water, the lateral inclination and the longitudinal inclination of the ship, the horizontal displacement of the suction pipe and the relative water absorption depth by the inclination sensor, according to the inclination sensor
  • the data can calculate the draft of the hull and the position of the hoe in the river.
  • the first lever on the first drive unit is combined with the data of the inclination sensor to drive the movable cover, adjust the mud angle of the molar, and adopt the first high pressure.
  • the water spray device flushes the water at a high pressure on the bottom of the water.
  • a partition is arranged between the first flushing device on the first high-pressure water spray device, the length of the partition plate is greater than the length of the first flushing device, and the partition plate can prevent the first nozzle from performing high-pressure water spray on the bottom of the water Interference, and the partition is arranged to vertically flush the water onto the sludge, loose the bottom soil block, the second high-pressure water spray device tilts the water to the bottom, and the second high-pressure water spray device and the horizontal plane have an inclination angle of 30°.
  • the first high-pressure water spray device and the second high-pressure water spray device cooperate with each other to increase the looseness of the water-soil block; at the same time, the second pull rod controls the movement of the drive block, and between the drive block and the drive block
  • the elastic reset device is provided, and the elastic reset device acts to elastically reset the driving block, so that the driving pressure block moves up and down, and the driving pressure block drives the translation mechanism to move left and right. Since the translation mechanism is provided with moving through holes, the two sides of the fixing plate are fixed.
  • a positioning shaft is disposed, the positioning shaft is movably connected to the moving through hole, so that the translation mechanism drives the molars to move up and down.
  • the connecting portion and the tooth portion are arranged, and the outer end of the tooth portion is horizontally
  • the area is triangular, and the tooth section of the molar is directly related to the depth of the mud.
  • the triangular shape of the cross-sectional area can increase the force of the molar on the sludge and improve the excavation ability of the steamed bread so that the tooth can be excavated under the water.
  • a slot is provided to facilitate the lifting of the hard sludge when the mud is muddy, which reduces the digging resistance of the steamed bread, improves the digging ability and dredging efficiency of the steamed bread, and has the effects of high dredging efficiency and low production cost;
  • the technical solution of the invention firstly blocks the relatively large impurities in the mud removing device to avoid clogging, and the barrier holes on the first baffle and the second baffle can pass the impurities allowed by the specification, and the large The debris refused. After the working time is long, the barrier hole will be gradually closed by the debris. At this time, the high-pressure air gun will carry out the high-pressure jet to clear the barrier hole, and then continue to work.
  • the anti-backflow rubber ring on the high-pressure air gun can prevent the liquid from being pressed against the high-pressure air gun. countercurrent.
  • FIG. 1 is a schematic view showing the structure of a suction dredger according to the present invention.
  • Fig. 2 is a schematic view showing the structure of a hoe according to the present invention.
  • Figure 3 is a schematic view showing the structure of the inside of the movable cover of the present invention.
  • Fig. 4 is a schematic view showing the structure of the present invention when driving the caries.
  • Fig. 5 is a schematic view showing the structure of the molars in the present invention.
  • Figure 6 is a schematic view showing the structure of a first high-pressure water spray device in the present invention.
  • Figure 7 is a schematic view showing the structure of a second high pressure water spray device of the present invention.
  • Figure 8 is a front elevational view of the impurity removing device of the present invention.
  • Figure 9 is a side view of the impurity removing device of the present invention.
  • Figure 10 is a plan view of the impurity removing device of the present invention.
  • a self-propelled suction dredger as shown in FIGS. 1 to 10, comprising a hull 1, a suction mechanism 2 disposed on the hull 1, a hoe 3 disposed on the suction mechanism 2, and The mud bin 4 in the hull 1 , the propulsion mechanism 5 disposed on the hull 1 and the mud discharging mechanism 6 disposed on the hull 1;
  • the movable head cover 3 is provided with a movable cover
  • the mud inlet of the movable cover 8 is provided with a decontamination device 38
  • the impurity removing device 38 includes a first baffle 39 laterally disposed on the movable cover 8 and a plurality of second baffles 40 longitudinally disposed on the first baffle 39;
  • the first baffle 39 and the second baffle There are a plurality of blocking holes 41 arranged in an array on the 40;
  • a cleaning device is disposed on one side of the removing device 38, and the cleaning device is a high-pressure air gun facing the first baffle
  • the propulsion mechanism 5 provides the hull 1 with good sailing performance, so that the hull 1 has self-propelled capability.
  • the suction mechanism 2 includes a hanger 21, a sliding device 22, and a suction pipe 23.
  • the hanger 21 is disposed on the hull 1, the suction pipe 23 communicates with the hammer 3, and the hanger 21 suspends the suction pipe 23 through the sliding device 22.
  • the hoe 3 performs the muddy action, and by the vacuum action of the mud pump, the hoe 3 and the suction pipe 23 absorb the mud from the bottom of the river and enter the mud hopper 4 in the hull 1 to suck and sail. Work to make the hull 1 self-loading.
  • the hull 1 sails to the mud dump to open the mud discharge on the dumping mechanism 6, and the excavated soil is discharged out of the ship, so that the hull 1 has the self-unloading capability.
  • the invention provides a tilting sensor 7 on the suction mechanism 2, the measuring range of the inclination sensor 7 is ⁇ 30°, the measuring precision is 0.01°, and the obtained signal output mode is a digital output or an analog output, and the working temperature is - 40 ° C ⁇ 85 ° C, impact resistance of 1000g.
  • the inclination sensor 7 measures the horizontal and vertical angles of the suction pipes 23 on both sides and the depth of the underwater water, the lateral inclination and longitudinal inclination of the ship, the horizontal displacement of the suction pipe 23, and the relative water absorption depth. Based on these data, the hull can be calculated. The draught depth of 1 and the position of the hoe 3 in the river.
  • the movable head 8 is provided with a movable cover 8 which is generally between 1000 mm and 1700 mm in length and generally between 1300 mm and 2900 mm. The specific length and width of the movable cover 8 are mainly determined according to the diameter of the suction pipe 23. .
  • the movable cover 8 is provided with a first driving device 9 .
  • the first driving device 9 includes a first pull rod 24 and a base 25 .
  • the first pull rod 24 is rotatably connected to the base 25 , and the base 25 is fixedly connected to the movable cover 8 .
  • the first pull rod 24 pulls the base 25, and the first pull rod 24 drives the movable cover 8 in conjunction with the data of the reclining sensor 7, adjusting the mud angle of the molars.
  • the movable cover 8 is provided with a driving pressure block 10, and the top of the driving pressure block 10 is provided with a second driving device 11, the second driving device 11 includes a second pulling rod 26 and a driving block 27, and the second pulling rod 26 controls the driving block 27 to move up and down.
  • An elastic returning device 28 is provided between the driving block 27 and the driving pressure block 10, and the elastic returning device 28 functions to elastically reset the driving block 27.
  • the second drive unit 11 drives the drive block 10 up and down.
  • the inside of the movable cover 8 is provided with a translation mechanism 12, and the driving pressure block 10 is longitudinally driven to drive the translation mechanism 12: the translation mechanism 12 is provided with a card slot 29, and the driving pressure block 10 is drivingly connected to the card slot 29 to realize the longitudinal driving of the driving pressure block 10.
  • Translation mechanism 12 is provided with a card slot 29, and the driving pressure block 10 is drivingly connected to the card slot 29 to realize the longitudinal driving of the driving pressure block 10.
  • the translation mechanism 12 is provided with a moving through hole 13 which is disposed obliquely upward.
  • the inside of the movable cover 8 is provided with a molar housing 14 which is disposed below the translation mechanism 12 and the translation mechanism 12 moves laterally on the molar housing 14.
  • the toothed casing 14 is provided with a connecting block 15 , and the inclined surface of the connecting block 15 is provided with a molar tooth 16 .
  • the design and selection of the molar tooth 16 are determined according to the soil quality of the water bottom, and the form and size of the molar tooth 16 are directly selected to directly relate to the dredging. Efficiency and production costs.
  • the molar tooth 16 includes a connecting portion 30 and a tooth portion 31.
  • the outer end of the tooth portion 31 has a triangular cross-sectional area, and the cross-section of the tooth portion 31 of the molar tooth 16 is directly related to the depth of the mud, and the triangular cross-sectional area can be increased.
  • the strength of the molars 16 on the sludge improves the digging ability of the hoe 3.
  • a fixing plate 17 is disposed on a top surface of the connecting block 15, and two sides of the fixing plate 17 are provided with a positioning shaft 18, and the positioning shaft 18 is movably connected to the moving through hole 13: when the positioning shaft 18 is at the bottom of the moving through hole 13, The effective length of the molars 16 is the longest; when the positioning shaft 18 is at the top of the moving through hole 13, the effective length of the molars 16 is minimized, and the continuous movement of the positioning shaft 18 causes the molars 16 to continuously move, so that the molars 16 can excavate a section of the notch at the bottom of the water to facilitate the picking up of the hard sludge when the tooth is 16.
  • a first high-pressure water spray device 19 is vertically disposed on the inner side of the movable cover 8.
  • the first high-pressure water spray device 19 is disposed on one side of the molars 16, and the first high-pressure water spray device 19 includes a water collecting device 32 and a first flushing device. 33 and the first nozzle 34, the water collecting device 32 supplies water to the first flushing device 33, the first flushing device 33 supplies power to the first nozzle 34, and the first nozzle 34 performs high-pressure water spraying on the bottom of the water, the first flushing water
  • a partition 35 is disposed between the devices 33. The length of the partition 35 is greater than the length of the first flushing device 33.
  • the partition 35 prevents the first nozzle 34 from interfering with each other when the water bottom is subjected to high-pressure water spray, and the partition 35 The setting can flush the water vertically onto the sludge and loosen the bottom clods.
  • the outer end of the movable cover 8 is inclined with a second high pressure water spray device 20, the second high pressure water spray device 20 includes a second flushing device 36 and a second nozzle 37, and the second flushing device 36 increases the power of the second nozzle 37.
  • the second nozzle 37 performs high-pressure water spray toward the molars 16, and the inclination angle a of the second high-pressure water spray device 20 from the horizontal plane is 30° to 50°, preferably 40°.
  • the first high-pressure water spray device and the second high-pressure water spray device cooperate with each other to increase the degree of looseness of the water-soil clods, and the most obvious effect is that the excavation depth is increased.
  • the invention measures the horizontal and vertical angles of the suction pipes 23 on both sides and the depth of the underwater water, the lateral inclination and the longitudinal inclination of the ship, the horizontal displacement of the suction pipe 23 and the relative water absorption depth by the inclination sensor 7, according to these data, Calculating the draught depth of the hull 1 and the position of the hoe 3 in the river channel, the first pull rod 24 on the first driving device 9 drives the movable hood 8 in combination with the data of the reclining sensor 7, adjusting the mud angle of the dent 16
  • the water is vertically flushed by the first high-pressure water spray device 19, and the partition plate 35 is disposed between the first flushing device 33 on the first high-pressure water spray device 19.
  • the length of the partition plate 35 is greater than that of the first flushing device 33.
  • the length of the partition plate 35 prevents the first nozzles 34 from interfering with each other when the water bottom is subjected to high-pressure water spray, and the partition 35 is arranged to vertically align the water.
  • the water is washed down to the sludge, and the second high-pressure water spray device 20 is inclined to the bottom of the water, and the inclination angle a of the second high-pressure water spray device 20 and the horizontal plane is 30° to 50°, so that the first high pressure
  • the water spraying device 19 and the second high-pressure water spraying device 20 cooperate with each other to increase the looseness of the submerged soil block; at the same time, the second pull rod 26 controls the movement of the driving block 27, and the driving block 27 and the driving pressing block 10 are disposed between The elastic returning device 28, the elastic restoring device 28 acts to elastically reset the driving block 27, so that the driving pressure block 10 moves up and down, and the driving pressure block 10 drives the translation mechanism 12 to move left and right.
  • the connecting portion 30 includes The tooth portion 31 has a triangular cross-sectional area at the outer end of the tooth portion 31.
  • the tooth portion 31 of the molar tooth 16 has a cross section directly related to the depth of the mud, and the triangular cross-sectional area increases the strength of the tooth 16 to the sludge.
  • the technical solution of the invention firstly blocks the relatively large impurities in the mud removing device to avoid clogging, and the barrier holes on the first baffle and the second baffle can pass the impurities allowed by the specification, and the large The debris refused. After the working time is long, the barrier hole will be gradually closed by the debris. At this time, the high-pressure air gun will carry out the high-pressure jet to clear the barrier hole, and then continue to work.
  • the anti-backflow rubber ring on the high-pressure air gun can prevent the liquid from being pressed against the high-pressure air gun. countercurrent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne une drague aspiratrice à traînée, comprenant un corps de drague (1), un mécanisme d'aspiration (2) disposé sur le corps de drague (1), une tête de traînée (3) disposée sur le mécanisme d'aspiration (2), un bac à boue (4) disposé dans le corps de drague (1), un mécanisme de propulsion (5) disposé sur le corps de drague (1) et un mécanisme de déchargement de boue (6) disposé sur le corps de drague (1). La tête de traînée (3) est pourvue d'un couvercle mobile (8), une entrée de boue du couvercle mobile (8) est pourvue d'un dispositif d'élimination des impuretés (38), et le dispositif d'élimination des impuretés (38) comprend une première plaque déflectrice (39) disposée transversalement sur le couvercle mobile (8) et une pluralité de deuxièmes plaques déflectrices (40) disposées verticalement sur la première plaque déflectrice (39); une pluralité de trous de barrière (41) disposés en réseau sont disposés uniformément sur la première plaque déflectrice (39) et la deuxième plaque déflectrice (40). Pendant l'aspiration, le dispositif d'élimination des impuretés (38) bloque d'abord les impuretés relativement grosses pour éviter un blocage; les trous de barrière (41) sur la première plaque déflectrice (39) et la deuxième plaque déflectrice (40) peuvent laisser les impuretés autorisées par les spécifications à traverser et rejeter les grosses impuretés. Après une longue période de travail, les trous de barrière (41) seront progressivement obturés par les impuretés; à ce moment, un pistolet à air haute pression sera utilisé pour pulvériser de l'air à haute pression sur celui-ci de façon à dégager les trous de barrière (41), puis le travail sera poursuivi.
PCT/CN2017/092638 2017-07-12 2017-07-12 Drague suceuse à traînée WO2019010652A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/092638 WO2019010652A1 (fr) 2017-07-12 2017-07-12 Drague suceuse à traînée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/092638 WO2019010652A1 (fr) 2017-07-12 2017-07-12 Drague suceuse à traînée

Publications (1)

Publication Number Publication Date
WO2019010652A1 true WO2019010652A1 (fr) 2019-01-17

Family

ID=65000912

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/092638 WO2019010652A1 (fr) 2017-07-12 2017-07-12 Drague suceuse à traînée

Country Status (1)

Country Link
WO (1) WO2019010652A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203373793U (zh) * 2013-08-01 2014-01-01 北京中矿艾可沃特科技有限公司 一种水仓煤泥造浆收集装置
CN203440846U (zh) * 2013-06-18 2014-02-19 郑百祥 一种船用水底淤泥清理收集设备
CN105507355A (zh) * 2016-01-08 2016-04-20 浙江水利水电学院 一种自航耙吸式挖泥船
WO2016097380A1 (fr) * 2014-12-18 2016-06-23 Environnemental Sediments Treatment Système de prélèvement de sédiments sur un fond d'un milieu liquide
CN106193157A (zh) * 2016-08-31 2016-12-07 中交烟台环保疏浚有限公司 耙吸挖泥船用耙头

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203440846U (zh) * 2013-06-18 2014-02-19 郑百祥 一种船用水底淤泥清理收集设备
CN203373793U (zh) * 2013-08-01 2014-01-01 北京中矿艾可沃特科技有限公司 一种水仓煤泥造浆收集装置
WO2016097380A1 (fr) * 2014-12-18 2016-06-23 Environnemental Sediments Treatment Système de prélèvement de sédiments sur un fond d'un milieu liquide
CN105507355A (zh) * 2016-01-08 2016-04-20 浙江水利水电学院 一种自航耙吸式挖泥船
CN106193157A (zh) * 2016-08-31 2016-12-07 中交烟台环保疏浚有限公司 耙吸挖泥船用耙头

Similar Documents

Publication Publication Date Title
US3248812A (en) Collector and hoist for aggregates
CN105507355A (zh) 一种自航耙吸式挖泥船
EP0243994A1 (fr) Dispositif pour le déplacement d'un sédiment sous l'eau et procédé d'utilisation d'un tel dispositif
US8127474B2 (en) Dredging apparatus
KR100808243B1 (ko) 준설 장치
KR20200017119A (ko) 해양용 고속 준설선
EP2855781B1 (fr) Bec d'élinde d'une drague aspiratrice en marche et procédé pour le dragage à l'aide de ledit bec d'élinde
EP2852710B1 (fr) Tête d'aspiration pour un navire de dragage et procédé pour le dragage utilisant cette tête d'aspiration
CN205276348U (zh) 一种自航耙吸式挖泥船
CN114396092B (zh) 一种具有自动调节功能的自航耙吸式挖泥船耙头
WO2019018994A1 (fr) Drague à trémie d'aspiration arrière à haut rendement
EP0259472B1 (fr) Drague
WO2019010652A1 (fr) Drague suceuse à traînée
CN210369100U (zh) 一种抽舱排泥用辅助装置
CN111236343A (zh) 清淤装备及其清淤船
JP2001214879A (ja) 掘削機能を備えた水中ポンプ用採泥ストレーナー。
CN207974180U (zh) 一种城市河道清淤船
CN109914504B (zh) 带有震动型格栅的耙吸挖泥船耙头结构
CN212582778U (zh) 一种智能环保清淤挖泥装置
CN209891265U (zh) 一种保证泥浆通过性的耙吸挖泥船耙头
CN209798866U (zh) 一种带有可拆卸格栅的耙吸挖泥船耙头结构
KR20100100252A (ko) 모래 흡입 조력 장치
CN111236345A (zh) 清淤装备及其自走式水下清淤装置
JP2004182146A (ja) 浚渫船
CN221608956U (zh) 一种直筒升降式耙吸挖泥船

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17917812

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17917812

Country of ref document: EP

Kind code of ref document: A1