CN116767446B - Ship deck cleaning device and application method thereof - Google Patents

Ship deck cleaning device and application method thereof Download PDF

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Publication number
CN116767446B
CN116767446B CN202310922246.3A CN202310922246A CN116767446B CN 116767446 B CN116767446 B CN 116767446B CN 202310922246 A CN202310922246 A CN 202310922246A CN 116767446 B CN116767446 B CN 116767446B
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water
fresh water
base
deck
scraping plate
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CN116767446A (en
Inventor
贺亮
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Weihai Shengnan Ship Technical Service Co ltd
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Weihai Shengnan Ship Technical Service Co ltd
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Abstract

The invention relates to a ship deck cleaning device and a use method thereof, wherein the ship deck cleaning device comprises a handle and a U-shaped bracket, the U-shaped bracket comprises a bottom edge bracket and side edge brackets at two sides, the handle is hinged with a base, a nozzle is arranged at the inner side of the bottom edge bracket, a water inlet is arranged at the outer side of the bottom edge bracket, and the water inlet is communicated with the nozzle; a first cross rod and a second cross rod are arranged between the two side supports, the front sides of the first cross rod and the second cross rod are provided with a first scraping plate and a second scraping plate, the bottom support is provided with a third scraping plate, and the first scraping plate and the second scraping plate divide the inner space of the U-shaped support into a sea water scraping area, a fresh water recycling area and a fresh water cleaning area which are sequentially arranged from front to back; the ship deck cleaning device is convenient to use, simple and compact in structure, low in cost and high in efficiency, the deck is repeatedly scraped and washed by fresh water at all levels, a sea man can achieve a good deck cleaning effect by only one cleaning operation, and fresh water resources are effectively saved.

Description

Ship deck cleaning device and application method thereof
Technical Field
The invention belongs to the technical field of ocean engineering equipment, and particularly relates to a ship deck cleaning device and a use method thereof.
Background
When a ship sails on the sea, in severe weather, sea waves sometimes flap sea water onto a deck, so that a large amount of sea water or salt remains on the deck, and the deck is corroded; in addition, even if sea water is brought onto the deck without rough waves, salt-containing water mist on the sea can damage the deck under the action of long-term erosion, in order to prolong the service life of the deck, the surface of the deck is smooth and clean, frequent cleaning of the deck is required for a ship worker, generally, the main cleaning mode of the deck is that one or more sea men (generally, a plurality of sea men are arranged in a row and cooperate at the same time) push the sea water down by using a water pushing plate, and then the sea water can be cleaned by flushing by using a water pipe. However, this would clearly increase the workload of the seamen and would not be well generalized. In addition, for marine vessels, fresh water is a valuable resource, and it is difficult to flush the deck with sufficient fresh water when the water lines are flushed.
In the chinese patent of application number CN202110846539.9, the name is "offshore oil platform deck cleaning device for ocean engineering", an offshore oil platform deck cleaning device for ocean engineering is disclosed, including the holding rod, the lower extreme fixed connection of holding rod is on the right side of fixed box, the right side fixedly connected with rubber push pedal of fixed box, the left side outer wall of rubber push pedal and the right side fixed connection of fixed box, the wash port has been seted up on the rubber push pedal, the left side intercommunication of wash port is provided with the water pipe, promotes the action that pushes forward during the use, has a action of taking back when repeatedly promoting, and in order to avoid rivers to continue to flow out and splash the everywhere with the sea water when fixed box lifts up to and avoid extravagant sea water, first spring can release when taking up fixed box and use slider pulling connecting rod downwardly moving, make the top of connecting rod press pressing mechanism to squeeze the water pipe, cooperate the roller to make the water pipe seal, no longer carry out the drainage, reached the purpose that the water saving was splashed, avoided sea water. The disadvantage of this patent is that it is difficult to ensure a good clear effect of the salt on the deck surface, while still requiring a large fresh water usage.
In view of the above, there is a need for a deck cleaning apparatus that can efficiently clean a deck, save fresh water consumption, and improve cleaning effect.
Disclosure of Invention
The invention aims to provide the deck cleaning device which can scrape and wash the deck for many times, has good cleaning effect and small fresh water consumption.
In order to solve the technical problems, the invention discloses a ship deck cleaning device, which comprises a handle and a base, wherein the base comprises a U-shaped bracket which is horizontally arranged and has a forward opening, the U-shaped bracket comprises a bottom edge bracket and side edge brackets on two sides, the handle is hinged with the base, a plurality of nozzles are arranged on the inner side of the bottom edge bracket, a water inlet port is arranged on the outer side of the bottom edge bracket, the water inlet port is communicated with the nozzles, and the water inlet port is communicated with a water source through a hose;
a first front cross bar and a second rear cross bar are arranged between the two side supports, a first scraping plate is arranged on the front side of the first cross bar, a second scraping plate is arranged on the front side of the second cross bar, a third scraping plate is arranged on the bottom side support, the first scraping plate, the second scraping plate and the third scraping plate form a scraping plate group, and the lower edge of the scraping plate group is not higher than the bottom end surface of the U-shaped support;
the first scraping plate and the second scraping plate divide the inner space of the U-shaped bracket into a sea water scraping area, a fresh water recycling area and a fresh water cleaning area which are sequentially arranged from front to back, and the nozzle is positioned in the fresh water cleaning area;
the upper side of the first cross rod is provided with a first baffle, the upper side of the second cross rod is provided with a second baffle, the upper side of the bottom edge bracket is provided with a third baffle, the upper end of the first baffle is lower than the second baffle, the upper end of the second baffle is lower than the third baffle, and the two side edge brackets are provided with side baffles for preventing water in each area from overflowing from the side surfaces;
the bottom of the U-shaped support is provided with a water-proof hairbrush, and the lower end of the water-proof hairbrush is flush with the lower end of the scraper group.
Preferably, the front ends of the two side brackets are respectively provided with a telescopic rod used for preventing water in the sea water scraping area from flowing to two sides, and the telescopic rods extend out of the front ends of the side brackets under the action of springs under the condition of no external force.
Preferably, the water source is a pressurized water supply device fixed on the ship or a water tank moving along with the base, and the handle or the base is provided with a mounting position for placing the water tank.
Preferably, each scraper in the scraper group is fixed at an angle of 30-70 degrees to the horizontal plane.
Preferably, grooves for installing the scrapers are formed in the bottoms of the first cross rod, the second cross rod and the bottom edge support, and each scraper of the scraper group is detachably installed in the corresponding groove.
Preferably, the water inlet interface is provided with a valve with a mechanical switch, and the base is provided with a linkage device for controlling the mechanical switch.
Preferably, the linkage device comprises a push type movable column with a spring, wherein the upper end of the movable column is propped against the mechanical switch or hinged or meshed with the mechanical switch through a connecting rod, the lower end of the movable column is protruded out of the bottom of the U-shaped bracket, the lower end of the movable column is provided with a ball, when the base is placed on a deck, the movable column is pressed by the deck to retract, the relative position of the movable column and the mechanical switch is changed to open the mechanical switch, fresh water flows out of the nozzle, and the ball rolls when the base moves; when the base is lifted, the movable column is reset, so that the mechanical switch is closed, and the spray nozzle stops flowing fresh water.
Preferably, the movable column and the part or all of the scraper blade groups are separated from contact with the deck by supporting feet which can be stored and are higher than the lower surface of the base, and the supporting feet are exposed out of the lower surface of the base after being unfolded and are supported at the rear part of the base.
When the ship deck cleaning device is used, the hand support foot is retracted, the valve is opened, the nozzle sprays water, the hand holds the handle to push the base to move forwards, the hose guides fresh water of a water source to the fresh water cleaning area, the first scraping plate scrapes residual sea water or salt on a passing deck and pushes the residual sea water or salt forwards, meanwhile, primary fresh water with higher water level accumulated in the fresh water cleaning area flows to the fresh water recycling area to form secondary fresh water, the secondary fresh water with higher water level accumulated in the fresh water recycling area flows to the sea water scraping area to form tertiary fresh water, and the tertiary fresh water flows down along the first scraping plate and is pushed forwards along with the sea water under the pushing of the first scraping plate until the deck is pushed out; during the period, under the cooperation of the scraper blade group, each stage of fresh water repeatedly scrapes and washes the deck; when the ship deck cleaning device is pushed to the edge of the deck, the base is lifted to enable the valve to be closed and the base to be conveniently dragged, and at the moment, the hose does not supply water to the fresh water cleaning area any more; after the base is dragged to a new cleaning position, the base is put down again to open the valve, and the base is pushed forward again to start cleaning of a new area.
Preferably, in use, the primary fresh water in the fresh water cleaning zone begins to flow past the second scraper to the fresh water reuse zone and begins to propel the vessel deck cleaning device at a faster rate.
The ship deck cleaning device is convenient to use, simple and compact in structure, low in cost and high in efficiency, and forms primary fresh water, secondary fresh water and tertiary fresh water with sequentially reduced cleanliness by forming the sea water scraping area, the fresh water recycling area and the fresh water cleaning area, and the first scraping plate, the second scraping plate and the third scraping plate are matched, so that the deck is repeatedly scraped and washed by each level of fresh water, a sea man only needs to clean the deck once, a good deck cleaning effect can be achieved, the workload of the sea man is effectively reduced, meanwhile, the consumption of the fresh water can be reduced while the cleaning effect is ensured due to repeated and stepped utilization of the fresh water, and water resources on a ship are saved.
Drawings
Fig. 1 is a schematic structural view of a ship deck cleaning apparatus, in which arrows show migration directions of fresh water of each stage.
Fig. 2 is a schematic view of the vessel deck cleaning apparatus of fig. 1 in a top view position.
The reference numerals in the figures are: 1. the device comprises a handle, 2, a base, 3, a U-shaped support, 301, a side support, 302, a bottom support, 4, a nozzle, 5, a water inlet interface, 6, a hose, 7, a first cross bar, 8, a second cross bar, 9, a first scraper, 10, a second scraper, 11, a third scraper, 12, a first baffle, 13, a second baffle, 14, a third baffle, 15, a side baffle, 16, a groove, 17, a telescopic rod, 18, a waterproof brush, 19, a valve, 1901, a mechanical switch, 20, a linkage, 2001, a movable column, 2002, a ball, an A, a sea water scraping area, B, a fresh water recycling area, C and a fresh water cleaning area.
Detailed Description
The present invention is described in further detail below by way of examples to enable those skilled in the art to practice the same by reference to the specification.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1: 1-2, a ship deck cleaning device comprises a handle 1 and a base 2, wherein the base 2 comprises a U-shaped bracket 3 which is horizontally arranged and has a forward opening, the U-shaped bracket 3 comprises a bottom edge bracket 302 and side edge brackets 301 on two sides, the handle 1 is hinged with the base 2, a plurality of nozzles 4 are arranged on the inner side of the bottom edge bracket 302, a water inlet interface 5 is arranged on the outer side of the bottom edge bracket 302, the water inlet interface 5 is communicated with the nozzles 4, and the water inlet interface 5 is communicated with a water source through a hose 6;
a first front cross bar 7 and a second rear cross bar 8 are arranged between the two side edge brackets 301, a first scraping plate 9 is arranged on the front side of the first cross bar, a second scraping plate 10 is arranged on the front side of the second cross bar, a third scraping plate 11 is arranged on the bottom edge bracket, the first scraping plate 9, the second scraping plate 10 and the third scraping plate 11 form a scraping plate group, and the lower edge of the scraping plate group is not higher than the bottom end surface of the U-shaped bracket;
the first scraping plate 9 and the second scraping plate 10 divide the inner space of the U-shaped bracket 3 into a sea water scraping area A, a fresh water recycling area B and a fresh water cleaning area C which are sequentially arranged from front to back, and a nozzle is positioned in the fresh water cleaning area;
a first baffle 12 is arranged on the upper side of the first cross rod 7, a second baffle 13 is arranged on the upper side of the second cross rod 8, a third baffle 14 is arranged on the upper side of the bottom edge bracket 302, the upper end of the first baffle 12 is lower than the second baffle 13, the upper end of the second baffle 13 is lower than the third baffle 14, and two side brackets 301 are provided with side baffles 15 for preventing water in each area from overflowing from the side surfaces; the height of the first baffle 12 should be small or 0.
The front ends of the two side brackets 301 are respectively provided with a telescopic rod 17 for preventing water in the sea water scraping area from flowing to two sides, and the telescopic rods 17 extend out of the front ends of the side brackets under the action of springs under the condition of no external force. When the number of sea crews participating in cleaning is small, the telescopic rod 17 can prevent the water in the sea water scraping area from scattering and escaping all around, and the telescopic rod 17 can retract after touching the railing at the edge of the deck.
The bottom of the U-shaped bracket 3 is provided with a water-proof hairbrush 18, and the lower end of the water-proof hairbrush 18 is flush with the lower end of the scraper group. The waterproof brush can play a role in brushing the deck, and can better prevent water from flowing out from the gap between the U-shaped support and the deck.
The water source is a pressurized water supply device fixed on the ship or a water tank moving along with the base, and the handle or the base is provided with a mounting position for placing the water tank. In general, the operation of the water tank with the water tank causes an increase in the work load due to the heavier water tank, and the pressurized water supply device is preferentially used to supply water to the nozzle through the hose in the area where the hose length can be covered, and the water tank is used to supply water in the area where the hose cannot be covered.
Each scraper blade in the scraper blade group is fixed with the horizontal plane at an angle of 30-70 degrees.
The bottoms of the first cross bar 7, the second cross bar 8 and the bottom edge bracket 302 are provided with grooves 16 for installing scrapers, and each scraper of the scraper group is detachably installed in the corresponding groove. At present, the scraper blade made of the hard foaming material has better scraping effect and service life, and when the scraper blade is worn to a certain extent, the scraper blade is replaced in time.
The water inlet interface 5 is provided with a valve 19 with a mechanical switch 1901, and a linkage device 20 for controlling the mechanical switch 1901 is arranged on the base.
Various devices can realize the transmission opening and closing of the valve 19 along with the lowering or retracting of the base, in this embodiment, the linkage device comprises a push type movable column 2001 with a spring, the upper end of the movable column is propped against the mechanical switch or hinged or meshed with the mechanical switch through a connecting rod, and according to the structure of the mechanical switch 1901, for example, when the mechanical switch 1901 is a push type faucet, the upper end of the movable column is propped against the lower end of the mechanical switch, and when the base is placed on a deck, the mechanical switch is opened by the push of the movable column; when the mechanical switch is a lifting or knob type faucet with a handle, the upper end of the movable column 2001 is meshed with the end of the handle (the end of the handle is designed into a tooth shape) or hinged through a connecting rod, and when the base is placed on a deck, the handle is rotated or moved upwards under the action of the movable column, so that the faucet is opened.
In this embodiment, the movable column is disposed outside the bottom edge bracket 302, the lower end of the movable column is lower than the bottom of the U-shaped bracket, and the lower end of the movable column is provided with a ball 2002, when the base is placed on the deck, the movable column 2001 is pressed by the deck to retract, the relative position between the movable column 2001 and the mechanical switch is changed to open the mechanical switch, the nozzle 4 flows fresh water, and the ball 2002 rolls when the base moves; when the base is lifted, the movable column 2001 is reset to close the mechanical switch 1901, and the nozzle 4 stops flowing fresh water. The balls 2002 may be disposed parallel to the axis of the bottom bracket 302 so that the balls 2002 can smoothly rotate when the base is advanced or retracted, or the lower end of the movable column may be designed as a ball socket so that the balls 2002 can rotate in any direction.
The movable column is arranged on the lower surface of the base, and the movable column is arranged on the lower surface of the base. When the device is not in use, the device can be hung up or the supporting foot can be opened, and the connection between the hose and the water inlet interface 5 is released.
When the ship deck cleaning device is used, the hand support foot is retracted, the valve 19 is opened under the action of the linkage device 20, the spray nozzle 4 sprays water, the handle 1 is held by hand to push the base 2 to move forwards, the hose 6 guides fresh water of a water source to the fresh water cleaning area, the first scraping plate 9 scrapes and pushes residual sea water or salt on the deck where the fresh water passes through, meanwhile, primary fresh water with higher water level in the fresh water cleaning area flows to the fresh water recycling area to form secondary fresh water by passing through the second baffle 13, the secondary fresh water with higher water level in the fresh water recycling area flows to the sea water scraping area to form tertiary fresh water by passing through the first baffle 12, and the tertiary fresh water flows down along the first scraping plate and is pushed forwards along with the sea water under the pushing of the first scraping plate 9 until the deck is pushed out; in the process, under the cooperation of the scraper plate sets, each stage of fresh water repeatedly scrapes and washes the deck, the primary fresh water has the highest cleanliness, the secondary fresh water is secondary, the tertiary fresh water has the primary dilution and washing effects, and after the secondary fresh water dissolves or dilutes salt on the deck, the primary fresh water dilutes the salt on the deck further, so that after the ship deck cleaning device passes, the ship deck has higher cleanliness; through forming multistage fresh water, the salt on the deck is dissolved and washed in multistage, so that the area passing through in the fresh water cleaning area has less salt residue and good cleaning effect.
When the ship deck cleaning device is pushed to the edge of the deck, the base is lifted to enable the valve to be closed and the base 2 to be conveniently dragged, and at the moment, the hose does not supply water to the fresh water cleaning area any more; after the base 2 is dragged to a new cleaning position, the base is put down again to open the valve 19, and the base is pushed forward again to start cleaning of a new area.
In use, the primary fresh water in the fresh water cleaning zone begins to flow past the second baffle 13 to the fresh water re-use zone and begins to propel the vessel deck cleaning apparatus at a faster rate.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention, i.e., the invention is not limited to the details shown and described.

Claims (9)

1. The ship deck cleaning device is characterized by comprising a handle and a base, wherein the base comprises a U-shaped bracket which is horizontally arranged and has a forward opening, the U-shaped bracket comprises a bottom edge bracket and side edge brackets on two sides, the handle is hinged with the base, a plurality of nozzles are arranged on the inner side of the bottom edge bracket, a water inlet port is arranged on the outer side of the bottom edge bracket and communicated with the nozzles, and the water inlet port is communicated with a water source through a hose;
a first front cross bar and a second rear cross bar are arranged between the two side supports, a first scraping plate is arranged on the front side of the first cross bar, a second scraping plate is arranged on the front side of the second cross bar, a third scraping plate is arranged on the bottom side support, the first scraping plate, the second scraping plate and the third scraping plate form a scraping plate group, and the lower edge of the scraping plate group is not higher than the bottom end surface of the U-shaped support;
the first scraping plate and the second scraping plate divide the inner space of the U-shaped bracket into a sea water scraping area, a fresh water recycling area and a fresh water cleaning area which are sequentially arranged from front to back, and the nozzle is positioned in the fresh water cleaning area;
the upper side of the first cross rod is provided with a first baffle, the upper side of the second cross rod is provided with a second baffle, the upper side of the bottom edge bracket is provided with a third baffle, the upper end of the first baffle is lower than the second baffle, the upper end of the second baffle is lower than the third baffle, and the two side edge brackets are provided with side baffles for preventing water in each area from overflowing from the side surfaces;
the bottom of the U-shaped bracket is provided with a water-proof hairbrush, and the lower end of the water-proof hairbrush is level with the lower end of the scraper group;
the front ends of the two side brackets are respectively provided with a telescopic rod used for preventing water in the sea water scraping area from flowing to two sides, and the telescopic rods extend out of the front ends of the side brackets under the action of springs under the condition of no external force.
2. The vessel deck cleaning device of claim 1, wherein the water source is a pressurized water supply device fixed to the vessel or a water tank moving with the base, and the handle or the base is provided with a mounting position for placing the water tank.
3. The vessel deck cleaning device of claim 1, wherein each blade in the blade set is fixed at an angle of 30-70 ° to the horizontal.
4. The vessel deck cleaning device of claim 1, wherein the bottoms of the first cross bar, the second cross bar and the bottom edge bracket are provided with grooves for mounting the scrapers, and each scraper of the scraper set is detachably mounted in a corresponding groove.
5. The vessel deck cleaning device of claim 1, wherein the water inlet port has a valve with a mechanical switch, and the base is provided with a linkage for controlling the mechanical switch.
6. The ship deck cleaning device according to claim 5, wherein the linkage comprises a push-type movable column with a spring, the upper end of the movable column is propped against the mechanical switch or hinged or meshed with the mechanical switch through a connecting rod, the lower end of the movable column is protruded out of the bottom of the U-shaped bracket, the lower end of the movable column is provided with a ball, when the base is placed on the deck, the movable column is pressed by the deck to retract, the relative position of the movable column and the mechanical switch is changed to open the mechanical switch, fresh water flows out of the nozzle, and the ball rolls when the base moves; when the base is lifted, the movable column is reset, so that the mechanical switch is closed, and the spray nozzle stops flowing fresh water.
7. The vessel deck cleaning device of claim 6, further comprising a stowable support foot that is elevated above the lower surface of the base after stowing, the support foot being exposed to the lower surface of the base after deployment, and supporting the rear portion of the base to disengage the movable column and some or all of the squeegee assembly from contact with the deck.
8. A method of using the vessel deck cleaning apparatus as defined in claim 7, wherein, in use, the hand is retracted to support the foot, the valve is opened, the nozzle sprays water, the hand is held to push the base to move forward, the hose directs the fresh water of the water source to the fresh water cleaning area, the first scraper scrapes and pushes the residual sea water or salt on the deck where it has passed, at the same time, the primary fresh water with higher water level gathered in the fresh water cleaning area flows to the fresh water reuse area to form secondary fresh water, the secondary fresh water with higher water level gathered in the fresh water reuse area flows to the sea water scraping area to form tertiary fresh water, the tertiary fresh water flows down along the first scraper and is pushed forward along with the sea water under the pushing of the first scraper until the deck is pushed out; during the period, under the cooperation of the scraper blade group, each stage of fresh water repeatedly scrapes and washes the deck; when the ship deck cleaning device is pushed to the edge of the deck, the base is lifted to enable the valve to be closed and the base to be conveniently dragged, and at the moment, the hose does not supply water to the fresh water cleaning area any more; after the base is dragged to a new cleaning position, the base is put down again to open the valve, and the base is pushed forward again to start cleaning of a new area.
9. The method of claim 8, wherein in use, the primary fresh water in the fresh water cleaning zone begins to flow past the second scraper to the fresh water recycling zone and begins to move at a faster rate.
CN202310922246.3A 2023-07-26 2023-07-26 Ship deck cleaning device and application method thereof Active CN116767446B (en)

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CN202310922246.3A CN116767446B (en) 2023-07-26 2023-07-26 Ship deck cleaning device and application method thereof

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CN202310922246.3A CN116767446B (en) 2023-07-26 2023-07-26 Ship deck cleaning device and application method thereof

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CN116767446B true CN116767446B (en) 2024-01-26

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Publication number Priority date Publication date Assignee Title
US4407213A (en) * 1979-11-15 1983-10-04 Evans Peter R Cleaning implement for boats
KR20140001972U (en) * 2012-09-27 2014-04-04 현대중공업 주식회사 Deck Cleaning Apparatus for Vehicle
CN208851400U (en) * 2018-04-13 2019-05-14 永春县众创科技有限公司 A kind of ship deck cleaning device
CN113120185A (en) * 2021-04-24 2021-07-16 孙大乾 Deck belt cleaning device for boats and ships
CN113581405A (en) * 2021-07-26 2021-11-02 何伟 Offshore oil platform deck cleaning device for ocean engineering
CN214607985U (en) * 2021-02-07 2021-11-05 宁波聚洋物联科技有限公司 Ship deck cleaning device
CN115783165A (en) * 2023-02-06 2023-03-14 威海海洋职业学院 Water chute cleaning device on ship deck

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070033755A1 (en) * 1999-06-11 2007-02-15 Gavney James A Jr Squeegee device and system
US10111563B2 (en) * 2013-01-18 2018-10-30 Sunpower Corporation Mechanism for cleaning solar collector surfaces

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407213A (en) * 1979-11-15 1983-10-04 Evans Peter R Cleaning implement for boats
KR20140001972U (en) * 2012-09-27 2014-04-04 현대중공업 주식회사 Deck Cleaning Apparatus for Vehicle
CN208851400U (en) * 2018-04-13 2019-05-14 永春县众创科技有限公司 A kind of ship deck cleaning device
CN214607985U (en) * 2021-02-07 2021-11-05 宁波聚洋物联科技有限公司 Ship deck cleaning device
CN113120185A (en) * 2021-04-24 2021-07-16 孙大乾 Deck belt cleaning device for boats and ships
CN113581405A (en) * 2021-07-26 2021-11-02 何伟 Offshore oil platform deck cleaning device for ocean engineering
CN115783165A (en) * 2023-02-06 2023-03-14 威海海洋职业学院 Water chute cleaning device on ship deck

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