CN111997015B - Small-size river course self-cleaning device - Google Patents

Small-size river course self-cleaning device Download PDF

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Publication number
CN111997015B
CN111997015B CN202010749019.1A CN202010749019A CN111997015B CN 111997015 B CN111997015 B CN 111997015B CN 202010749019 A CN202010749019 A CN 202010749019A CN 111997015 B CN111997015 B CN 111997015B
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China
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end plate
small
plate
cleaning device
right end
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CN202010749019.1A
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CN111997015A (en
Inventor
王华玲
姜海林
丁友伟
周康
杨天杰
苏杭
王子洋
诸佳铖
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Huaiyin Institute of Technology
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Huaiyin Institute of Technology
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Priority to CN202010749019.1A priority Critical patent/CN111997015B/en
Publication of CN111997015A publication Critical patent/CN111997015A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • E02B15/104—Conveyors; Paddle wheels; Endless belts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a small-sized river channel automatic cleaning device, which comprises a hollowed-out outer shell; the garbage basket is fixedly arranged on the right end surface of the right end plate and is provided with a collecting hole, and the collecting hole is opposite to the discharge hole; the spiral impeller is positioned in the outer shell, one end of a central shaft of the spiral impeller is in rotating fit with the bearing seat, the other end of the central shaft of the spiral impeller is in rotating fit with the left end plate, the end of the central shaft protrudes out of the left end plate to form a protruding section, the protruding section is connected with a motor fixed on the upper baffle through belt transmission, and the motor is electrically connected with the energy storage unit; a solar panel; the inner rotating shaft is fixedly provided with a plurality of small water wheels. The invention can utilize the small-sized water energy power generation device for generating power by water flow, and is additionally provided with a solar power generation system to ensure that the device in a working area has sufficient electric quantity and maintains operation.

Description

Small-size river course self-cleaning device
Technical Field
The invention relates to river channel cleaning, in particular to a small automatic river channel cleaning device.
Background
With the development of economy, people are pursuing high-quality life more and more. Although environmental protection knowledge is publicized in a large quantity, factory sewage is strictly treated and then discharged, environmental protection consciousness is not planted in all people, particularly, a plurality of floating objects on water surface such as garbage bags, packaging paper, rotten leaves, vegetable leaves, aquatic plants and the like still exist in a river channel, for example, most of river channel cleaning at present is that sanitation workers hold a net bag to stand on the bank or a cleaning ship to directly salvage garbage, and then send the garbage to a recovery station. Some large-scale rivers have had special clearance ship and staff, and more small-size rivers often only can be more time-consuming more hard. Especially in actual operation, most of the small riverways cannot pass through the ship due to the fact that the domestic small riverways are numerous and various conditions are complex and different. Therefore, the fishing can be carried out by environmental protection personnel at the river side or in the river to a great extent. Thus, the problems of safety, low working efficiency and the like easily occur. The small-sized automatic river channel cleaning device designed for the phenomenon can automatically intercept and collect water surface floaters, greatly reduces the cleaning times of personnel when the personnel go into the river, saves the labor cost and reduces the possibility of accidents when the personnel go into the river.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a small river channel automatic cleaning device, which can utilize water to flow for generating power and is additionally provided with a solar power generation system to ensure that the electric quantity of the device in a working area is sufficient and the operation is maintained.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic cleaning device for a small river channel comprises,
the garbage bin comprises a hollow outer shell, wherein the outer shell comprises a left end plate, a right end plate, an upper baffle plate, a bottom plate, a front side plate and a rear side plate, a through hole is formed in the right end plate, a bearing seat is fixedly installed in the through hole, and a discharge hole for garbage to pass through is formed between the bearing seat and the left end plate;
the garbage basket is fixedly arranged on the right end surface of the right end plate and is provided with a collecting hole, and the collecting hole is opposite to the discharge hole;
the spiral impeller is positioned in the outer shell, one end of a central shaft of the spiral impeller is in rotating fit with the bearing seat, the other end of the central shaft of the spiral impeller is in rotating fit with the left end plate, the end of the central shaft protrudes out of the left end plate to form a protruding section, the protruding section is in transmission connection with a motor fixed on the upper baffle plate through a belt A, and the motor is electrically connected with the energy storage unit;
the solar panel is fixedly arranged on the upper end face of the upper baffle and is electrically connected with the energy storage unit;
interior rotation axis, interior rotation axis are located the below of bottom plate, and the one end of interior rotation axis is rotated and is connected the left end board, and the other end is rotated and is connected the right end board, and the generator is connected through belt transmission to interior rotation axis, and generator fixed mounting is at the up end of overhead gage, and generator electric connection energy storage unit is fixed on the interior rotation axis and is provided with a plurality of little water wheels.
On the basis of the scheme, the garbage basket is preferably of a hollow cubic structure, and the outer end face of the right end plate is inserted.
On the basis of the above scheme, as preferred, the outer terminal surface of right-hand member board is fixed and is provided with the mount pad, and the up end of mount pad is provided with the slide rail, and rubbish frame base fixed mounting has the slider that can slide on the slide rail, and the slide rail is the recess, and the slider card is in the recess.
Based on the scheme, the garbage basket preferably comprises a frame door with a U-shaped handle.
On the basis of the above scheme, the upper baffle plate is preferably provided with a notch, and the belt A passes through the notch to be connected with the protruding section.
On the basis of the scheme, the front side plate is preferably provided with a water inlet, and the lower edge of the water inlet is provided with a knife edge.
On the basis of the above scheme, preferably, a rectifier for converting alternating current generated by the generator into direct current is arranged in the energy storage unit.
On the basis of the scheme, as preferred, still include the fixed pipe that a plurality of sections pipelines formed, through semicircular little waterwheel shell fixed connection between two adjacent sections pipelines, the pipeline that is located both ends respectively in left end board, right end board fixed connection, the internal rotation axle pass fixed pipe and with fixed pipe between clearance fit.
On the basis of the scheme, preferably, the fixed pipe is fixedly provided with a plurality of inflatable suspension blocks.
In addition to the above, preferably, the housing further includes fixing plates disposed on both sides of the outer case.
Compared with the prior art, the invention has the beneficial effects that:
the small-sized water energy power generation device can generate power by utilizing water flow, and a solar power generation system is additionally arranged to ensure that the electric quantity of the device in a working area is sufficient and the operation is maintained;
the structure is simple, the installation is convenient, the device is suitable for cleaning various small riverways with complex terrains, the potential safety hazard of personnel is reduced, and the fishing cost is saved;
the power of the whole device comes from the natural environment, so that the ecological system is effectively protected, and the energy consumption is saved;
the knife edge can effectively prevent blockage, is suitable for cleaning various kinds of garbage, and greatly improves the working efficiency and the service life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the trash basket of FIG. 1 with the trash removed;
FIG. 3 is a schematic structural view of a trash basket;
FIG. 4 is a schematic diagram of the generator and motor combination;
FIG. 5 is a schematic view of the structure of a small water wheel;
fig. 6 is an installation view of 5 small water wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention, and in this context, detachable fixation means that the components can be detached without destroying their original performance.
As shown in fig. 1-6, an automatic cleaning device for a small river comprises a hollow outer casing, the outer casing comprises a left end plate, a right end plate, an upper baffle plate, a bottom plate, a front side plate and a rear side plate, a through hole is formed in the right end plate, a bearing seat is fixedly installed in the through hole, and a discharge hole for garbage to pass through is formed between the bearing seat and the left end plate; the garbage basket is fixedly arranged on the right end surface of the right end plate and is provided with a collecting hole, and the collecting hole is opposite to the discharge hole; the spiral impeller is positioned in the outer shell, one end of a central shaft of the spiral impeller is in rotating fit with the bearing seat, the other end of the central shaft of the spiral impeller is in rotating fit with the left end plate, the end of the central shaft protrudes out of the left end plate to form a protruding section, the protruding section is in transmission connection with a motor fixed on the upper baffle plate through a belt A, and the motor is electrically connected with the energy storage unit; the solar panel is fixedly arranged on the upper end face of the upper baffle and is electrically connected with the energy storage unit; interior rotation axis, interior rotation axis are located the below of bottom plate, and the one end of interior rotation axis is rotated and is connected the left end board, and the other end is rotated and is connected the right end board, and the generator is connected through belt transmission to interior rotation axis, and generator fixed mounting is at the up end of overhead gage, and generator electric connection energy storage unit is fixed on the interior rotation axis and is provided with a plurality of little water wheels.
The garbage basket is of a hollow cubic structure, and the outer end face of the right end plate is inserted in the garbage basket. The outer terminal surface of right side end plate is fixed and is provided with the mount pad, and the up end of mount pad is provided with the slide rail, and rubbish frame base fixed mounting has the slider that can slide on the slide rail, and the slide rail is the recess, and the slider card is in the recess. The trash basket includes a frame door with a U-shaped handle. The upper baffle plate is provided with a notch, and the belt A passes through the notch to be connected with the protruding section. The front side plate is provided with a water inlet, and the lower edge of the water inlet is provided with a knife edge. A rectifier for converting alternating current generated by the generator into direct current is arranged in the energy storage unit. Still include the fixed pipe that a plurality of sections pipelines formed, through semicircular little water wheels shell fixed connection between the two adjacent sections pipelines, the pipeline that is located both ends respectively in left end board, right end board fixed connection, the internal rotation axle pass fixed pipe and with fixed pipe between clearance fit. The fixed pipe is fixedly provided with a plurality of inflatable suspension blocks. The shell also comprises fixing plates arranged on two sides of the outer shell.
More specifically, a small-size river course self-cleaning device includes shell body 16, the shell body is hollow out construction in order to filter levitate rubbish, the bottom is that spiral impeller shell and whole frame attach right side as an organic whole are equipped with rubbish basket 6, the rubbish basket is square structure side and has U type handle 14, conveniently pour the river course rubbish that gets into through the collecting hole, impel in the mount pad 19 of the rubbish basket 6 of the terminal surface of shell body 16 with rubbish basket 6 alignment during operation and the slide rail on the right-hand member board, the slider is equipped with equally in the bottom and the side of rubbish basket 6, the slider includes slider A11, slider B15, the slider card realizes the fixed of rubbish basket in the slide rail. The sliding block and the sliding rail can be fixed through a locking screw.
Set up collection hole 12 on the rubbish basket, just to discharge gate 20 on the shell body 16, specifically be set up the bearing frame in the through-hole on the shell body, the bearing frame forms the discharge gate between the shell body, spiral impeller 3's center pin is connected to the bearing frame, and spiral impeller 3's center pin connects belt A, connects motor 21 through belt A, and during operation motor 21 is slow rotatory, drives spiral impeller 3 and rotates the rubbish that will filter into and constantly to rubbish basket 6 propelling movement. The tail end of the outer shell of the spiral impeller, namely the lower edge of the water inlet, adopts the design of the knife edge 8 in the rotating process, and the filtered garbage is cut off to prevent the spiral impeller from being wound to influence the transmission. An upper baffle plate is arranged at the top of the outer shell 16, and a solar electric plate 2 is laid on the upper baffle plate for collecting energy. The solar panel is fixed in the mounting hole 4. The motor 21 is arranged on the upper end surface of the upper baffle plate, and the upper end surface of the upper baffle plate is provided with a notch for the belt A to extend into the shell of the transmission case to be connected on the central shaft of the spiral impeller 3. The energy storage grooves 10, namely the energy storage units are arranged on two sides of the motor 21, and the energy collected by the solar panels is continuously charged to the energy storage grooves 10 through a controller inside the energy storage grooves 10, so that the energy storage grooves keep sufficient electric power to power the motor 21. The generator 22 is arranged on the corresponding surface of the motor 21, the generator 22 is connected to an inner rotating shaft 29 through a belt 23, one end of the inner rotating shaft is provided with a belt pulley 24 to be connected with the belt, and the other end of the inner rotating shaft is inserted into a bearing mounting seat of the outer shell 16. The external netted protective housing 9 that is equipped with of being connected of belt pulley and interior rotation axis prevents that rotatory in-process weeds from getting into. A plurality of sections of pipelines 30 are arranged on the outer side of the inner rotating shaft, a semicircular protective shell 28 of the small water wheel 17, namely a connecting hole 27 of a small water wheel shell, is connected into a fixed pipe, when five small water wheel river water flows in a gap of the fixed pipe, 5 small water wheel blades 26 rotate to drive the inner rotating shaft 29 to work, and alternating current generated by a generator is converted into direct current through a rectifier and stored in the energy storage grooves 10 on two sides; the small water wheel 26 is externally wrapped by a semicircular protective shell 28, and the small water wheel blades 26 are of a pulp type, so that the contact area with water flow can be increased, and the utilization rate of water power is increased. The shape can also greatly reduce the possibility that waterweeds and rope type garbage are wound on the waterwheel. The straight line part of the semicircular protective shell 28 is inclined upwards at an angle of 45 degrees with the ground, so that the damage of objects which follow the water flow and do not float on the water surface to the water wheel is resisted as much as possible. The fixed plate 5 is installed on the base of river course both sides, and wherein, the fixed plate can be followed the up-and-down direction motion on the base to realize that certain draft is still guaranteed to whole device when the height of water level fluctuates, guarantee that the shell body is in suitable position in aqueous and can salvage rubbish, inflatable suspension piece 18 can realize adjusting the predetermined draft of whole device through adjusting its buoyancy size. The fixing plates 5 are fixed at both ends of the outer case 16 by nuts 7. Because the river course both sides condition is diverse, the fixed plate is difficult to adapt to all kinds of conditions, therefore the fixed plate of both sides also can change other devices.
Wherein, the generator and the motor are positioned in the housing 1.
Wherein, the accumulator can be a storage battery.
When river water flows, the small water wheel rotates to drive the generator to work, and alternating current generated is converted into direct current through the rectifier and stored in the rear storage battery; meanwhile, when the sunlight is sufficient, the solar panel continuously generates electricity and is also stored in the storage battery. The motor works to drive the spiral impeller to convey the intercepted garbage to the garbage basket. Therefore, sanitation workers only need to clean the garbage in the basket regularly or replace the garbage basket. The device automatically generates power and saves power resources. Meanwhile, the device greatly reduces the times that related departments consume manpower and material resources to clean the rubbish on the water surface of the river channel.
In addition, the motor is additionally provided with a time relay control, so that the working area operates at regular time, namely the spiral impeller rotates not all the time, but once every several hours and once every several minutes to collect garbage, otherwise, the electric quantity is not enough to control the continuous operation of the spiral impeller, and unnecessary energy waste is avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. An automatic cleaning device for a small river channel is characterized by comprising,
the garbage bin comprises a hollow outer shell, wherein the outer shell comprises a left end plate, a right end plate, an upper baffle plate, a bottom plate, a front side plate and a rear side plate, a through hole is formed in the right end plate, a bearing seat is fixedly installed in the through hole, and a discharge hole for garbage to pass through is formed between the bearing seat and the left end plate;
the garbage basket is fixedly arranged on the right end surface of the right end plate and is provided with a collecting hole, and the collecting hole is opposite to the discharge hole;
the spiral impeller is positioned in the outer shell, one end of a central shaft of the spiral impeller is in rotating fit with the bearing seat, the other end of the central shaft of the spiral impeller is in rotating fit with the left end plate, the end of the central shaft protrudes out of the left end plate to form a protruding section, the protruding section is in transmission connection with a motor fixed on the upper baffle plate through a belt A, and the motor is electrically connected with the energy storage unit;
the solar panel is fixedly arranged on the upper end face of the upper baffle and is electrically connected with the energy storage unit;
the inner rotating shaft is positioned below the bottom plate, one end of the inner rotating shaft is rotatably connected with the left end plate, the other end of the inner rotating shaft is rotatably connected with the right end plate, the inner rotating shaft is connected with the generator through belt transmission, the generator is fixedly arranged on the upper end surface of the upper baffle plate and is electrically connected with the energy storage unit, a plurality of small water wheels are fixedly arranged on the inner rotating shaft,
the device also comprises a fixed pipe formed by a plurality of sections of pipelines, two adjacent sections of pipelines are fixedly connected through a small semicircular water wheel shell, the pipelines at the two ends are respectively and fixedly connected with a left end plate and a right end plate, an inner rotating shaft passes through the fixed pipe and is in clearance fit with the fixed pipe,
the small water wheel shell is a semicircular protective shell,
the straight line part of the semicircular protective shell is inclined upwards at an angle of 45 degrees with the ground.
2. The automatic small riverway cleaning device according to claim 1, wherein the garbage basket is of a hollow cubic structure and is inserted into the outer end face of the right end plate.
3. The automatic cleaning device for the small river channel according to claim 2, wherein the outer end surface of the right end plate is fixedly provided with a mounting seat, the upper end surface of the mounting seat is provided with a slide rail, the garbage frame base is fixedly provided with a slide block capable of sliding on the slide rail, the slide rail is a groove, and the slide block is clamped in the groove.
4. The automated compact river cleaning device of claim 2 wherein the trash basket includes a door frame with a U-shaped handle.
5. The automatic cleaning device for small river according to claim 1, wherein the upper plate has a notch through which the belt A is connected to the protruding section.
6. The automatic cleaning device for small river channels according to claim 1, wherein the front side plate is provided with a water inlet, and the lower edge of the water inlet is provided with a knife edge.
7. The automatic river channel cleaning device according to claim 1, wherein a rectifier for converting alternating current generated by the generator into direct current is arranged in the energy storage unit.
8. The automatic cleaning device for small river channel according to claim 1, wherein a plurality of inflatable suspension blocks are fixed on the fixing tube.
9. The automated riverway cleaning apparatus according to claim 1, further comprising fixing plates provided on both sides of the outer casing.
CN202010749019.1A 2020-07-30 2020-07-30 Small-size river course self-cleaning device Active CN111997015B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010749019.1A CN111997015B (en) 2020-07-30 2020-07-30 Small-size river course self-cleaning device

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Application Number Priority Date Filing Date Title
CN202010749019.1A CN111997015B (en) 2020-07-30 2020-07-30 Small-size river course self-cleaning device

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CN111997015B true CN111997015B (en) 2021-09-24

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Publication number Priority date Publication date Assignee Title
CN112916172B (en) * 2021-01-28 2022-12-16 深圳市正帕海洋工程技术有限公司 Non-blocking spiral composite interception device
CN115110467B (en) * 2022-07-06 2023-09-29 江苏文水信息科技有限公司 Water source scheduling and diversion device and method for dam reservoir
CN115928680A (en) * 2023-02-06 2023-04-07 中国十七冶集团有限公司 Active fishing device and method for river channel garbage

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Publication number Priority date Publication date Assignee Title
CN2695481Y (en) * 2004-04-27 2005-04-27 洪雁 Device for removing floater on water surface
CN107672755A (en) * 2017-11-30 2018-02-09 成都宏软科技实业有限公司 A kind of energy-efficient formula river regulation ship
CN109024517A (en) * 2018-08-04 2018-12-18 芜湖品源装饰工程有限责任公司 A kind of collecting refuse from open water device
CN109183747A (en) * 2018-10-11 2019-01-11 重庆大学 A kind of drift dirt interception transferring cleaning system

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Application publication date: 20201127

Assignee: Huai'an Yida Machinery Co.,Ltd.

Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY

Contract record no.: X2021320000153

Denomination of invention: A small automatic river cleaning device

Granted publication date: 20210924

License type: Common License

Record date: 20211218