WO2020149190A1 - Machine de nettoyage sous-marine - Google Patents

Machine de nettoyage sous-marine Download PDF

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Publication number
WO2020149190A1
WO2020149190A1 PCT/JP2020/000284 JP2020000284W WO2020149190A1 WO 2020149190 A1 WO2020149190 A1 WO 2020149190A1 JP 2020000284 W JP2020000284 W JP 2020000284W WO 2020149190 A1 WO2020149190 A1 WO 2020149190A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
suction
pressure water
water
work machine
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2020/000284
Other languages
English (en)
Japanese (ja)
Inventor
山口　洋
傑 尾池
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanmar Co Ltd
Original Assignee
Yanmar Co Ltd
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 Yanmar Co Ltd filed Critical Yanmar Co Ltd
Priority to SG11202103932PA priority Critical patent/SG11202103932PA/en
Priority to CN202080007720.4A priority patent/CN113272077A/zh
Priority to EP20741370.9A priority patent/EP3912738B1/fr
Publication of WO2020149190A1 publication Critical patent/WO2020149190A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/06—Cleaning devices for hulls
    • B63B59/10—Cleaning devices for hulls using trolleys or the like driven along the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0229—Suction chambers for aspirating the sprayed liquid

Definitions

  • the present invention relates to an underwater cleaning work machine.
  • Patent Document 1 discloses an underwater washer that removes shellfish, algae, etc. adhering to the seawater immersion surface of a ship.
  • This submersible washer has a brush rotation pump that rotates the brush used for cleaning, a motor that rotates a screw that crimps the machine toward the hull, and suctions and discharges wastewater generated during cleaning. Since a plurality of driving devices such as a sewage pump are mounted, the machine itself becomes a heavy object, and there is a problem in handleability and operability.
  • an object of the present invention is to provide an underwater cleaning work machine capable of reliably preventing pollution of seawater while making the work machine for cleaning work underwater lighter.
  • the underwater cleaning work machine of the present invention is an underwater cleaning work machine for cleaning the cleaning object while moving along the surface of the cleaning object existing in water, A cleaning device that sprays and cleans high-pressure water toward the cleaning target; and a suction device that sucks dirty water after cleaning by the cleaning device, The cleaning device and the suction device are driven by high-pressure water supplied from an external high-pressure water pump.
  • the underwater cleaning work machine of the present invention is provided with a suction device for sucking dirty water after cleaning by the cleaning device, it is possible to reliably prevent contamination of seawater. Further, according to the underwater cleaning work machine of the present invention, since the cleaning device and the suction device are driven by the high-pressure water supplied from the external high-pressure water pump, a plurality of drive devices for driving the cleaning device and the suction device. Since it is not necessary to mount the machine on the machine body, the work machine becomes lightweight.
  • the underwater cleaning work machine 1 cleans an object to be cleaned while moving along the surface of the object to be cleaned (for example, a hull, aquaculture net, etc.) existing in water.
  • the underwater cleaning work machine 1 includes a work machine body 2, a traveling device 3, a propelling force generating propeller 4, a cleaning nozzle unit 5 (corresponding to a cleaning device), and a suction device 6.
  • the working machine main body 2 includes a propeller-side main body 2A in which a propelling force generating propeller 4 is arranged, a nozzle-side main body 2B in which a cleaning nozzle unit 5 is arranged, and a connecting body that connects the propeller-side main body 2A and the nozzle-side main body 2B. 2C and.
  • the connecting body 2C is composed of a plurality of pipes extending in the vertical direction.
  • the propeller-side main body 2A includes a plurality of (three in the present embodiment) cylindrical ducts 20A, 20B, 20C each having an opening 21.
  • the ducts 20A, 20B, 20C are arranged in the left-right direction of the work machine body 2, and the propelling force generating propellers 4 are housed inside the respective openings 21.
  • a traveling device 3 is provided on the nozzle side main body 2B.
  • the traveling device 3 includes motor cases 31A and 31B in which the submersible motors M1 and M2 are housed, four wheels 32, 33, 34 and 35 in the front-rear and left-right directions, and a pair of left and right crawler devices 36 and 37. There is.
  • the submersible motor M1 housed in the front motor case 31A drives the right front wheel 33 to rotate.
  • the submersible motor M2 housed in the rear motor case 31B rotationally drives the left rear wheel 34.
  • the submersible motors M1 and M2 are composed of DC motors.
  • the left crawler device 36 is fixed to the rotation shaft of the left rear wheel 34, and is driven by the underwater motor M2 to rotate the drive wheel 36a, and the left front wheel 32 is fixed to the rotation shaft of the first driven wheel 36b.
  • a second driven wheel 36c rotatably supported above the driving wheel 36a and the first driven wheel 36b between the driving wheel 36a and the first driven wheel 36b, and the driving wheel 36a and the first driven wheel 36c.
  • the crawler 36d is rotated by the rotation of the submersible motor M2, and the wheel 32 on the left front side is simultaneously rotated. That is, the submersible motor M2 simultaneously rotates the left rear wheel 34, the left front wheel 32, and the left crawler device 36 in the same direction.
  • the right crawler device 37 is fixed to the rotation shaft of the wheel 33 on the right front side and is driven by the underwater motor M1 to rotate, and the first driven wheel 37b fixed to the rotation shaft of the wheel 35 on the right rear side.
  • a second driven wheel 37c rotatably supported above the drive wheel 37a and the first driven wheel 37b between the drive wheel 37a and the first driven wheel 37b, and the drive wheel 37a and the first driven wheel 37c.
  • a driving wheel 37b and an annular crawler 37d wound around the second driven wheel 37c are provided.
  • the crawler 37d is rotated by the rotation of the submersible motor M1, and the wheel 35 on the right rear side is simultaneously rotated. That is, the submersible motor M1 simultaneously rotates the front right wheel 33, the rear right wheel 35, and the right crawler device 37 in the same direction.
  • a power supply cable (not shown) is connected to each of the submersible motors M1 and M2, and power is supplied to the submersible motors M1 and M2 from a power supply device on board or on land via the power supply cable.
  • the cleaning nozzle unit 5 jets high-pressure water supplied from a high-pressure hose (not shown) toward the cleaning target, and cleans the cleaning target by the jet flow.
  • the cleaning nozzle unit 5 is fixed to a lower portion of a rotating shaft 7 rotatably supported by the nozzle side body 2B.
  • a rotary joint 71 is arranged in the middle of the rotary shaft 7.
  • the rotary joint 71 is for carrying high-pressure water to the rotating cleaning nozzle unit 5. Since the rotary joint 71 has substantially the same structure as the rotary joint 624 described later, detailed description thereof will be omitted.
  • the rotary joint 71 is supplied with high-pressure water that is pressure-fed via a high-pressure hose from a high-pressure water pump (not shown) on board or on land.
  • the high-pressure hose is connected to the branch joint 81, and the high-pressure water branched by the branch joint 81 is supplied to the rotary joints 71 via the connection hoses 82, 83, 84 extending from the branch joint 81.
  • the high-pressure water supplied to the rotary joint 71 is supplied to the cleaning nozzle unit 5 through the flow path inside the rotary shaft 7.
  • the cleaning nozzle unit 5 includes a disk-shaped cleaning body 51 fixed to the lower end of the rotating shaft 7, and a plurality of cleaning nozzles 52 provided on the outer peripheral portion of the cleaning body 51.
  • the cleaning body 51 is made of, for example, stainless steel, and can also contact the shellfish or the like attached to the cleaning object while rotating to remove the shellfish or the like.
  • a diffusion preventing cover 53 is provided on the outer peripheral side of the cleaning body 51 so as to project from the lower surface of the nozzle side main body 2B. By providing the diffusion prevention cover 53, it is possible to prevent the diffusion of dirty water during cleaning.
  • the diffusion prevention cover 53 is arranged along the outer circumference of each cleaning body 51 between the adjacent cleaning bodies 51 and the first cover portion 53a arranged so as to surround the front and rear of the three cleaning bodies 51. And two cover portions 53b.
  • a rubber packing (not shown) is provided on the projecting end portion of the first cover portion 53a.
  • the wheels 32, 33, 34, 35 and the crawler devices 36, 37 that are in contact with the surface of the cleaning object are arranged on the outer periphery of the nozzle side main body 2B, diffusion of dirty water during cleaning. Can be further prevented.
  • the two cleaning nozzles 52 are arranged so as to face each other with the axis of the cleaning body 51 interposed therebetween.
  • the cleaning nozzle 52 injects the high pressure water pumped from the high pressure water pump.
  • Each cleaning nozzle 52 is inclined downward by a predetermined angle so that the high-pressure water is ejected toward the cleaning target (see FIG. 2 ).
  • the cleaning nozzle unit 5 rotates together with the rotary shaft 7 due to the reaction force of the jetting generated by the high-pressure water being sprayed on the surface of the object to be cleaned.
  • Propulsion generating propeller 4 is fixed to the upper end of rotating shaft 7. Therefore, when high-pressure water is jetted from the cleaning nozzle 52 and the rotation shaft 7 rotates together with the cleaning nozzle unit 5 due to the jet reaction force, the propelling force generating propeller 4 also rotates integrally.
  • the suction device 6 sucks dirty water (residual water) after cleaning by the cleaning nozzle unit 5.
  • the suction device 6 includes a water inlet 61 for sucking dirty water, and a suction pump 62 for sucking the dirty water.
  • the water inlet 61 is formed on the lower surface of the nozzle side main body 2B.
  • the water inlet 61 is provided on the inner side of the cleaning body 51, that is, on the upper side of the cleaning body 51.
  • two water suction ports 61 are provided for each cleaning body 51, and the two water suction ports 61 are arranged so as to face each other with the axis of the rotary shaft 7 interposed therebetween.
  • FIG. 5 shows a side view of the suction pump 62.
  • the vertical direction of FIG. 5 is referred to as the vertical direction of the suction pump 62.
  • the suction pump 62 includes a hollow cylindrical casing 621, an impeller 622 arranged in the casing 621, and a plurality of suction ports 623 formed in the casing 621.
  • a lower bearing 621c is fixed to the upper end surface 621a of the casing 621. Further, a cylindrical end portion 621b is provided with a suction portion 621d protruding in a column shape, and a plurality of suction ports 623 are provided on the outer peripheral portion of the suction portion 621d. In the present embodiment, the six suction ports 623 are arranged at equal intervals along the circumferential direction of the suction portion 621d. Each suction port 623 opens in the tangential direction of the casing 621, specifically, in the tangential direction of the suction portion 621d (see FIG. 4). Each suction port 623 is connected to each water suction port 61 by a suction hose (not shown) (see FIG. 4). As a result, the dirty water sucked from the water suction port 61 is sucked into the casing 621 via the suction hose and the suction port 623.
  • a discharge part 621e for discharging the sucked dirty water is provided on the outer periphery of the casing 621.
  • a sewage transfer hose (not shown) is connected to the tip of the discharge part 621e, and sewage discharged from the suction pump 62 is transferred to the ship or land via the sewage transfer hose.
  • a middle case cover 621f is fixed to the upper end surface 621a of the casing 621, and an upper case cover 621g is fixed to the upper surface of the middle cover 621f.
  • the middle case cover 621f covers the lower bearing 621c.
  • a rotary joint 624 which will be described later, is housed inside the upper case cover 621g.
  • An upper bearing 621h is fixed to the upper surface of the upper case cover 621g.
  • the impeller 622 includes a disk-shaped impeller body 622a, a plurality of injection nozzles 622b provided on an outer peripheral portion of the impeller body 622a, a plurality of blade portions 622c provided on a lower surface of the impeller body 622a, and an impeller body 622a. And a rotation shaft 622d fixed to the upper surface of the.
  • a pair of injection nozzles 622b are provided so as to sandwich the rotation shaft of the impeller 622.
  • the two injection nozzles 622b are arranged so as to face each other with the axis of the impeller body 622a interposed therebetween.
  • the injection nozzle 622b injects the high pressure water pumped from the high pressure water pump (not shown).
  • Each of the jet nozzles 622b is arranged so that the jetting direction of the high-pressure water is tangential to the impeller body 622a. Therefore, when high-pressure water is ejected from the ejection nozzle 622b, the impeller body 622a rotates due to the reaction force of the ejection of the high-pressure water. That is, the impeller 622 is driven by the reaction force of the high-pressure water jet from the jet nozzle 622b.
  • the blade portion 622c gives a centrifugal force to the liquid in the casing 621 by rotating together with the impeller body 622a.
  • the six blade portions 622c are arranged at equal intervals along the circumferential direction of the impeller body 622a.
  • the lower end of the rotating shaft 622d is fixed to the impeller body 622a.
  • the rotating shaft 622d is rotatably supported by a lower bearing 621c and an upper bearing 621h.
  • the rotary shaft 622d is formed with a flow path 622e for sending the high-pressure water in the axial direction.
  • the upper end of the flow path 622e is located at the center of the rotary shaft 622d.
  • the lower end of the flow path 622e extends to the impeller body 622a and communicates with the injection nozzle 622b via a connection pipe 622f.
  • the rotary joint 624 is for conveying high-pressure water to the rotating impeller 622.
  • the rotary joint 624 includes a rotating shaft 622d of the impeller 622 and a fixed housing 624a surrounding the rotating shaft 622d.
  • the rotary shaft 622d is formed with a receiving hole 624b communicating with the flow path 622e.
  • a supply hole 624c is formed in the fixed housing 624a at a height corresponding to the receiving hole 624b.
  • the fixed housing 624a is fixed to the upper surface of the middle case cover 621f.
  • a crank joint 625 is connected to the supply hole 624c of the fixed housing 624a.
  • a connection hose 85 (see FIG. 1) extending from the branch joint 81 is connected to the crank joint 625.
  • high-pressure water pumped from a high-pressure water pump (not shown) on board or on land is supplied to the rotary joint 624 via the high-pressure hose, the branch joint 81, the connection hose 85, and the crank joint 625.
  • the high-pressure water supplied to the rotary joint 624 is supplied to the jet nozzle 622b through the flow path 622e of the rotary shaft 622d and the connection pipe 622f, and is jetted from the jet nozzle 622b.
  • the impeller 622 is rotationally driven by the reaction force of the high-pressure water jet from the jet nozzle 622b. As the impeller 622 rotates, a centrifugal force is applied to the liquid in the casing 621, so that the suction pump 62 discharges the dirty water from the discharge portion 621e and sucks the dirty water from the suction port 623. That is, since the suction pump 62 is driven by the high-pressure water supplied from the external high-pressure water pump, it is not necessary to mount a drive device such as a motor for driving the suction device 6 on the machine body.
  • the underwater cleaning work machine 1 of the present embodiment is the underwater cleaning work machine 1 that cleans the cleaning target object while moving along the surface of the cleaning target object existing in water.
  • the cleaning nozzle unit 5 for injecting high-pressure water toward and cleaning the cleaning nozzle unit 5 and the suction device 6 for sucking dirty water after cleaning by the cleaning nozzle unit 5 are provided. It is driven by high pressure water supplied from a water pump.
  • the suction device 6 for sucking the dirty water after cleaning by the cleaning nozzle unit 5 since the suction device 6 for sucking the dirty water after cleaning by the cleaning nozzle unit 5 is provided, it is possible to reliably prevent the contamination of seawater. Further, since the cleaning nozzle unit 5 and the suction device 6 are driven by high-pressure water supplied from an external high-pressure water pump, a plurality of drive devices for driving the cleaning nozzle unit 5 and the suction device 6 are mounted on the machine body. There is no need, and the work machine becomes lightweight.
  • the cleaning nozzle unit 5 and the suction device 6 distribute the high-pressure water pumped from the high-pressure water pump through one high-pressure hose.
  • the cleaning nozzle unit 5 and the suction device 6 may be supplied with high-pressure water pressure-fed from a plurality of high-pressure water pumps via high-pressure hoses.
  • the cleaning nozzle unit 5 includes a disk-shaped cleaning body 51 that rotates due to the reaction force of the high-pressure water jet to the cleaning target, and the suction device 6 absorbs water inside the cleaning body 51. It has a mouth 61, and the dirty water is sucked from the water intake 61 through the gaps on the outer peripheral side and the inner side of the cleaning body 51.
  • a diffusion prevention cover 53 that prevents diffusion of dirty water is provided on the outer peripheral side of the cleaning body 51.
  • the suction device 6 includes a suction pump 62 for sucking dirty water, and the suction pump 62 is formed in a hollow cylindrical casing 621, an impeller 622 arranged in the casing 621, and a casing 621.
  • the plurality of suction ports 623 are provided, and the impeller 622 is driven by the reaction force of the high-pressure water jet from the jet nozzle 622b provided in the impeller 622.
  • the plurality of suction ports 623 are arranged on the bottom surface of the casing 621 along the circumferential direction, and the suction ports 623 open in the tangential direction of the casing 621.
  • a pair of injection nozzles 622b are provided with the rotary shaft 622d of the impeller 622 interposed therebetween.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une machine de nettoyage sous-marine (1) pour nettoyer un objet à nettoyer tout en se déplaçant le long de la surface de l'objet à nettoyer qui est présent dans l'eau, équipée d'une unité de buse de nettoyage (5) pour le nettoyage par pulvérisation d'eau à haute pression vers l'objet à nettoyer et d'un dispositif d'aspiration (6) pour aspirer l'eau sale après nettoyage par l'unité de buse de nettoyage (5), et l'unité de buse de nettoyage (5) et le dispositif d'aspiration (6) sont entraînés par l'eau à haute pression fournie par une pompe à eau à haute pression externe.
PCT/JP2020/000284 2019-01-18 2020-01-08 Machine de nettoyage sous-marine Ceased WO2020149190A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SG11202103932PA SG11202103932PA (en) 2019-01-18 2020-01-08 Underwater cleaning machine
CN202080007720.4A CN113272077A (zh) 2019-01-18 2020-01-08 水中清扫作业机
EP20741370.9A EP3912738B1 (fr) 2019-01-18 2020-01-08 Machine de nettoyage sous-marine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019006933A JP7049279B2 (ja) 2019-01-18 2019-01-18 水中清掃作業機
JP2019-006933 2019-01-18

Publications (1)

Publication Number Publication Date
WO2020149190A1 true WO2020149190A1 (fr) 2020-07-23

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ID=71613881

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/000284 Ceased WO2020149190A1 (fr) 2019-01-18 2020-01-08 Machine de nettoyage sous-marine

Country Status (5)

Country Link
EP (1) EP3912738B1 (fr)
JP (1) JP7049279B2 (fr)
CN (1) CN113272077A (fr)
SG (1) SG11202103932PA (fr)
WO (1) WO2020149190A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024136515A (ja) 2023-03-24 2024-10-04 ヤンマーホールディングス株式会社 水中洗浄作業装置
JP2024136516A (ja) 2023-03-24 2024-10-04 ヤンマーホールディングス株式会社 水中洗浄作業装置
JP2024136518A (ja) 2023-03-24 2024-10-04 ヤンマーホールディングス株式会社 水中洗浄作業装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459764U (fr) 1977-10-05 1979-04-25
JPH05503049A (ja) * 1990-12-07 1993-05-27 ドイチェ ルフトハンザ アクチェンゲゼルシャフト 塗装面からペイントを除去するための装置
JP2001276754A (ja) * 2000-01-26 2001-10-09 Yanmar Diesel Engine Co Ltd 水中清掃ロボット

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Publication number Priority date Publication date Assignee Title
GB1092133A (en) * 1965-03-04 1967-11-22 Exxon Research Engineering Co Apparatus for manoeuvring on a submerged surface
US5970574A (en) * 1997-04-24 1999-10-26 Hydrochem Industrial Services, Inc. Apparatus and method for cleaning surfaces by removing and containing waste
NO20083079L (no) * 2008-07-11 2010-01-12 Mpi Trond Sivertsen Renseapparat for fjerning av marin begroning og anvendelse av apparat.
JP5823272B2 (ja) * 2011-12-02 2015-11-25 株式会社奥村組 ウォータージェット治具
US9038557B2 (en) * 2012-09-14 2015-05-26 Raytheon Company Hull robot with hull separation countermeasures
CN208288519U (zh) * 2018-04-16 2018-12-28 宁德新能源科技有限公司 对物料除尘的装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459764U (fr) 1977-10-05 1979-04-25
JPH05503049A (ja) * 1990-12-07 1993-05-27 ドイチェ ルフトハンザ アクチェンゲゼルシャフト 塗装面からペイントを除去するための装置
JP2001276754A (ja) * 2000-01-26 2001-10-09 Yanmar Diesel Engine Co Ltd 水中清掃ロボット

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3912738A4

Also Published As

Publication number Publication date
EP3912738A1 (fr) 2021-11-24
EP3912738A4 (fr) 2022-10-12
EP3912738B1 (fr) 2025-05-14
JP2020116478A (ja) 2020-08-06
CN113272077A (zh) 2021-08-17
SG11202103932PA (en) 2021-05-28
JP7049279B2 (ja) 2022-04-06

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