CN216428210U - A antifouling fishing device for power station - Google Patents

A antifouling fishing device for power station Download PDF

Info

Publication number
CN216428210U
CN216428210U CN202122908805.4U CN202122908805U CN216428210U CN 216428210 U CN216428210 U CN 216428210U CN 202122908805 U CN202122908805 U CN 202122908805U CN 216428210 U CN216428210 U CN 216428210U
Authority
CN
China
Prior art keywords
fishing
trash rack
trash
longitudinal
antifouling
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.)
Active
Application number
CN202122908805.4U
Other languages
Chinese (zh)
Inventor
刘钊
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.)
Zhensha Hydropower Construction Management Branch Of Guoneng Dadu River Basin Hydropower Development Co ltd
Original Assignee
Zhensha Hydropower Construction Management Branch Of Guoneng Dadu River Basin Hydropower Development 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 Zhensha Hydropower Construction Management Branch Of Guoneng Dadu River Basin Hydropower Development Co ltd filed Critical Zhensha Hydropower Construction Management Branch Of Guoneng Dadu River Basin Hydropower Development Co ltd
Priority to CN202122908805.4U priority Critical patent/CN216428210U/en
Application granted granted Critical
Publication of CN216428210U publication Critical patent/CN216428210U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model belongs to the technical field of the antifouling equipment of the hydropower station, and discloses an antifouling fishing device for the hydropower station, which comprises a trash baffle arranged at the water-facing side of a dam of the hydropower station and a trash rack arranged at the front side of the trash baffle, wherein the trash rack is provided with a longitudinal section arranged along the height direction of the trash rack and an arc-shaped section positioned above the longitudinal section, the end of the arc-shaped section faces the dam of the hydropower station, and trash racks are arranged at the inner sides of the longitudinal section and the arc-shaped section; the two sides of the trash rack are respectively provided with sliding rails distributed along the height direction of the trash rack, and a fishing part is in sliding fit between the two sliding rails. The utility model discloses a trash rack can block dirty earlier before blocking dirty baffle, and salvage the part and can collect the rubbish by the interception to can make salvage the part upset and realize lifting off of rubbish, and block dirty rack and block dirty simultaneously at this salvage in-process, thereby can effectively solve rubbish and enter into the problem between fishing device and the trash rack easily.

Description

A antifouling fishing device for power station
Technical Field
The utility model belongs to the technical field of the antifouling equipment in power station, concretely relates to antifouling fishing device for power station.
Background
The hydropower station is a comprehensive engineering facility capable of converting water energy into electric energy. The hydropower station generally comprises a reservoir formed by a water retaining structure and a water discharging structure of the hydropower station, a power generation plant, electromechanical equipment and the like. High-level water of the reservoir flows into a workshop through the water diversion system to push the hydroelectric generating set to generate electric energy, and then the electric energy is input into a power grid through the step-up transformer, the switching station and the power transmission line.
Because a large amount of floaters are in river water or lake water, if the floaters enter the water turbine generator set, the water turbine generator set can be blocked, and the water turbine generator set is damaged, a trash rack needs to be arranged before water enters the water turbine generator set to prevent the floaters from entering the water turbine generator set, but due to the fact that the floaters are large in amount, the trash rack is accumulated on the outer side of the trash rack to block, water flow is unsmooth, and normal operation of a power station is affected.
In the prior art, although some fishing devices aiming at the problem exist, most of the fishing devices have the problem that garbage easily enters the space between the fishing device and the trash rack during fishing, the garbage entering the space between the fishing device and the trash rack cannot be fished or fished difficultly, and a large amount of garbage can be accumulated after a long time, so that the problem of difficulty and inconvenience in cleaning is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pair of an antifouling fishing device for power station solves current fishing device rubbish and can enter into fishing device and block the problem between the dirty baffle when salvaging.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an antifouling fishing device for a hydropower station comprises a trash baffle arranged on the water facing side of a hydropower station dam and a trash rack arranged on the front side of the trash baffle, wherein the trash rack is provided with a longitudinal section arranged along the height direction of the trash rack and an arc-shaped section positioned above the longitudinal section, the end of the arc-shaped section faces the hydropower station dam, and trash racks are arranged on the inner sides of the longitudinal section and the arc-shaped section;
two sides of the trash rack are respectively provided with sliding rails distributed along the height direction of the trash rack, and a fishing part is in sliding fit between the two sliding rails; the fishing component comprises a longitudinal fishing part and a transverse fishing part hinged with the longitudinal fishing part, and a limit chain is connected between the longitudinal fishing part and the transverse fishing part; the longitudinal salvage part comprises a plurality of screen plates which are sequentially hinged, at least two screen plates are arranged in the screen plates in a sliding fit mode between the sliding rails, the screen plate located at the topmost end of the longitudinal salvage part is connected with a pull rope, and the pull rope is arranged along the extending direction of the trash rack and connected with a winch arranged on a hydropower station dam through a pulley.
In a possible implementation, the trash rack is connected to the hydroelectric dam by mounting bars.
In a possible implementation manner, the included angle between the longitudinal fishing part and the transverse fishing part in the clockwise direction is limited to 0-90 degrees by the limiting chain.
In a possible implementation mode, two sides of the screen plate in sliding fit with the slide rails are connected with rollers through rotating shafts, and the rollers are in sliding fit in the slide rails.
In a possible implementation mode, a scraper extending towards the direction of the trash rack is arranged at the top of the net plate at the topmost end of the longitudinal fishing part.
In a possible implementation mode, a track is arranged on the hydropower station dam below the arc-shaped end head, and a garbage collection vehicle is arranged on the track.
In a possible implementation mode, the winch is arranged below the arc-shaped section, and a waterproof cover is arranged on the outer side of the winch.
In a possible implementation, two adjacent net plates are connected by a hinge.
In a possible implementation, the lateral salvage portion is a mesh structure.
In a possible implementation manner, the two ends of the sliding rail are both provided with limiting structures.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an antifouling fishing device for power station, through blocking dirty frame and the salvage part on blocking dirty frame, it can block dirty earlier to block dirty frame before blocking the baffle, and salvage part can be collected the rubbish of being intercepted, then can make salvage part rebound through the hoist engine, through the tying structure of vertical salvage portion when blocking the segmental arc of dirty frame, can make it can adapt to with segmental arc structure when removing, and can make the salvage part upset and realize unloading of rubbish, and block dirty simultaneously at this salvage in-process trash frame, thereby can effectively solve the problem that rubbish enters into between fishing device and the trash rack easily.
Drawings
FIG. 1 is a schematic structural diagram of an anti-fouling fishing device for a hydropower station according to an embodiment of the application;
FIG. 2 is a side view of a fishing component of an anti-fouling fishing device for a hydroelectric power station according to an embodiment of the present application;
FIG. 3 is a front view of a fishing component of an anti-fouling fishing device for a hydroelectric power station according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a fishing component of the anti-fouling fishing device for the hydropower station passing through an arc section according to the embodiment of the application.
Fig. 5 is a front view of a trash rack of an anti-fouling fishing device for a hydroelectric power station according to an embodiment of the present application.
In the figure: 1-a hydroelectric dam; 2-trash baffle; 3-trash rack; 31-longitudinal section; 32-arc segment; 33-trash rack; 4-a slide rail; 5-fishing the component; 51-transverse salvage part; 52-a spacing chain; 53-mesh plate; 54-a hinge; 55-a roller; 56-a scraper; 6-a pulley; 7-a winch; 8-a garbage collection vehicle; 9-track; 10-pulling rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-5, an embodiment of the present application provides an anti-fouling fishing device for a hydropower station, including a trash baffle 2 disposed on a water facing side of a hydroelectric dam 1, and further including a trash rack 3 disposed on a front side of the trash baffle 2, where the trash rack 3 has a longitudinal section 31 disposed along a height direction thereof and an arc-shaped section 32 located above the longitudinal section 31, an end of the arc-shaped section 32 faces the hydroelectric dam 1, and trash racks 33 are disposed on inner sides of the longitudinal section 31 and the arc-shaped section 32; two sides of the trash rack 3 are respectively provided with a sliding rail 4 distributed along the height direction of the trash rack, and a fishing part 5 is in sliding fit between the two sliding rails 4; the fishing component 5 comprises a longitudinal fishing part and a transverse fishing part 51 hinged with the longitudinal fishing part, and a limit chain 52 is connected between the longitudinal fishing part and the transverse fishing part 51; the longitudinal salvage part comprises a plurality of screen plates 53 which are sequentially hinged, at least two screen plates 53 in the screen plates 53 are in sliding fit between the two sliding rails 4, the screen plate 53 positioned at the topmost end of the longitudinal salvage part is connected with a pull rope 10, and the pull rope 10 is arranged along the extending direction of the trash rack 3 and is connected with a winch 7 arranged on the hydropower station dam 1 through a pulley 6.
Through foretell technical scheme, trash rack 3 can block dirty earlier before trash baffle 2, and salvage component 5 can collect the rubbish of being intercepted, then can make the hinge get salvage component 5 upwards removal through hoist engine 7, through the otter board 53 hinge structure of vertical salvage portion when the segmental arc 32 of trash rack 3, can make it can adapt to segmental arc 32 structure when removing, and can make salvage component 5 overturn and realize unloading of rubbish, and trash rack 3 blocks dirty simultaneously at this fishing in-process, thereby can effectively solve the rubbish and enter into the problem between fishing device and the trash rack easily.
In order to enhance the stability of the trash rack 3, the trash rack 3 is connected to the hydroelectric dam 1 by mounting bars. This trash rack 3's main part is through installation pole or mounting bracket and hydroelectric power station dam 1 fixed connection, and the bottom is connected with trash baffle 2, and such mounting structure can make trash rack 3 more firm.
For better collection of the intercepted waste, the limiting chain 52 limits the angle between the longitudinal and transverse salvage sections 51 to 0-90 ° in the clockwise direction, as shown in fig. 2-4. The limiting chain 52 can limit the clockwise angle between the transverse salvage part 51 and the longitudinal salvage part to be 0-90 degrees, the maximum angle is 90 degrees, namely, the two parts are perpendicular to each other, and garbage can be better collected in the state.
In order to realize the sliding fit between the mesh plate 53 and the sliding track 4, as shown in fig. 2 and 4, two sides of the mesh plate 53 slidably fitted with the sliding track 4 are connected with rollers 55 through rotating shafts, and the rollers 55 are slidably fitted in the sliding track 4. The sliding rail 4 is a groove-shaped sliding rail 4, and the roller 55 is limited in the sliding rail 4, so that the sliding effect is better.
In order to avoid the easy entry of garbage between the fishing members 5 and the trash rack 3, as shown in fig. 2 and 3, a scraper 56 extending toward the trash rack 33 is provided on the top of the net plate 53 at the topmost end of the longitudinal fishing part. Through the setting of scraper blade 56, when fishing part 5 rose, the link plate scraped the rubbish on blocking the dirty net 33 of trash rack 3 to can make the rubbish that hangs fall into the inboard of fishing part 5, thereby can avoid getting into rubbish and influencing the problem that fishing part 5 removed easily between the trash rack 3 when it rose, it is more practical.
Referring to fig. 1, in the embodiment of the present application, in order to collect the garbage discharged from the fishing component 5, a rail 9 is provided on the hydroelectric power station dam 1 below the arc-shaped end head, and a garbage collection vehicle 8 is provided on the rail 9. The collection vehicle can be moved by the track 9 to the lower position of the arcuate section 32 of the trash rack 3 and can then be collected when unloading the refuse for further processing.
In one embodiment, the winding engine 7 is disposed below the arc-shaped section 32, and a waterproof cover (not shown) is disposed outside the winding engine 7. Because the hoist 7 is arranged below the arc-shaped section 32 and is easily splashed with water, the hoist 7 can be protected by the waterproof cover, and the phenomenon that the hoist cannot run due to water inflow is avoided.
In a specific embodiment, two adjacent net panels 53 are connected by hinges 54.
In the embodiment of the present application, the lateral fishing part 51 has a net structure. Thus, when the fishing part 5 moves upwards, the collected garbage can be filtered.
In order to avoid the mesh plate 53 from separating from the slide rail 4, two ends of the slide rail 4 are both provided with a limiting structure. The limiting structure is used for limiting the fishing plate to be limited when the fishing plate moves to the limiting position.
It should be noted that the trash rack 3 can make the fishing component 5 turn over through the arc end on it, so as to realize the unloading of the garbage, and after the unloading is completed, the hydraulic cylinder or the pneumatic rod arranged at the bottom end of the arc section 32 can push the fishing component 5 back to the front side of the trash rack 3.
The utility model provides an antifouling fishing device for power station has following beneficial effect:
through trash rack 3 and fishing part 5 on trash rack 3, trash rack 3 can block the dirt earlier before trash baffle 2, and fishing part 5 can be collected the rubbish of being intercepted, then can make the hinge get fishing part 5 upwards removal through hoist 7, through the tying structure of vertical salvage portion when the segmental arc 32 of trash rack 3 is being passed through, can make it adapt to with segmental arc 32 structure when removing, and can make fishing part 5 overturn and realize unloading of rubbish, and trash rack 3 blocks the dirt simultaneously at this fishing in-process, thereby can effectively solve the problem that rubbish enters into between fishing device and the trash rack easily.
Moreover, through the arrangement of the hanging plate, when the fishing component 5 ascends, the hanging plate can scrape off the garbage on the trash blocking net 33 of the trash blocking frame 3, and the hung garbage can fall into the inner side of the fishing component 5, so that the problem that the movement of the fishing component 5 is easily influenced by the garbage entering between the lifting part and the trash blocking frame 3 can be avoided, and the fishing component is more practical.
Simultaneously, through the setting of garbage collection vehicle 8 and track 9, can be convenient for to the collection of unloading rubbish to under the cooperation of salvage part 5, block dirty frame 3 and block dirty baffle 2, can realize multiple trash effect, the interception is more convenient.
The preferred embodiment:
referring to fig. 1-5, an antifouling fishing device for a hydropower station comprises a trash baffle 2 arranged on the water facing side of a dam 1 of the hydropower station, and further comprises a trash rack 3 arranged on the front side of the trash baffle 2, wherein the trash rack 3 is provided with a longitudinal section 31 arranged along the height direction of the trash rack and an arc-shaped section 32 positioned above the longitudinal section 31, the end of the arc-shaped section 32 faces the dam 1 of the hydropower station, and trash racks 33 are arranged on the inner sides of the longitudinal section 31 and the arc-shaped section 32; two sides of the trash rack 3 are respectively provided with a sliding rail 4 distributed along the height direction of the trash rack, and a fishing part 5 is in sliding fit between the two sliding rails 4; the fishing component 5 comprises a longitudinal fishing part and a transverse fishing part 51 hinged with the longitudinal fishing part, and a limit chain 52 is connected between the longitudinal fishing part and the transverse fishing part 51; the longitudinal salvage part comprises a plurality of screen plates 53 which are sequentially hinged, at least two screen plates 53 in the plurality of screen plates 53 are in sliding fit between the two sliding rails 4, the screen plate 53 positioned at the topmost end of the longitudinal salvage part is connected with a pull rope 10, and the pull rope 10 is distributed along the extending direction of the trash rack 3 and is connected with a winch 7 arranged on the hydropower station dam 1 through a pulley 6.
The trash rack 3 is connected with the hydropower station dam 1 through a mounting rod.
The limiting chain 52 limits the included angle between the longitudinal fishing part and the transverse fishing part 51 in the clockwise direction to be 0-90 degrees.
The two sides of the mesh plate 53 in sliding fit with the slide rail 4 are connected with rollers 55 through rotating shafts, and the rollers 55 are in sliding fit in the slide rail 4.
A scraper 56 extending toward the trash rack 33 is provided on the top of the mesh plate 53 at the uppermost end of the longitudinal fishing section.
And a track 9 is arranged on the hydropower station dam 1 below the arc-shaped end head, and a garbage collection vehicle 8 is arranged on the track 9 in a matching way.
The winding engine 7 is arranged below the arc-shaped section 32, and a waterproof cover is arranged on the outer side of the winding engine 7.
Two adjacent net panels 53 are connected by hinges 54.
The transverse fishing part 51 is of a net structure.
And the two ends of the sliding rail 4 are both provided with limiting structures.
The implementation principle is as follows: trash rack 3 can block dirty earlier before trash rack 2, and salvage component 5 can collect the rubbish of being intercepted, then can make the hinge get salvage component 5 upwards removal through hoist engine 7, through the tying structure of vertical salvage portion when the segmental arc 32 of trash rack 3, can make it can adapt to with segmental arc 32 structure when removing, and can make salvage component 5 overturn and realize unloading of rubbish, and trash rack 3 blocks dirty simultaneously at this salvage in-process, thereby can effectively solve the rubbish and enter into the problem between fishing device and the trash rack easily.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an antifouling fishing device for power station, is including locating trash baffle (2) that blocks of power station dam (1) side of meeting water, its characterized in that: the trash rack is characterized by further comprising a trash rack (3) arranged on the front side of the trash baffle (2), the trash rack (3) is provided with a longitudinal section (31) arranged along the height direction of the trash rack and an arc-shaped section (32) located above the longitudinal section (31), the end of the arc-shaped section (32) faces the hydropower station dam (1), and trash racks (33) are arranged on the inner sides of the longitudinal section (31) and the arc-shaped section (32);
two sides of the trash rack (3) are respectively provided with a sliding rail (4) distributed along the height direction of the trash rack, and a fishing part (5) is in sliding fit between the two sliding rails (4); the fishing component (5) comprises a longitudinal fishing part and a transverse fishing part (51) hinged with the longitudinal fishing part, and a limiting chain (52) is connected between the longitudinal fishing part and the transverse fishing part (51); the longitudinal salvage portion comprises a plurality of sequentially hinged screen plates (53), at least two screen plates (53) are arranged in the screen plates (53) in a sliding fit mode and are arranged between the sliding rails (4), the screen plates (53) located at the topmost ends of the longitudinal salvage portion are connected with pull ropes (10), and the pull ropes (10) are arranged along the extending direction of the trash rack (3) and are connected with a winch (7) arranged on the hydropower station dam (1) through pulleys (6).
2. An antifouling fishing device for hydroelectric power stations, according to claim 1, characterized in that: the trash rack (3) is connected with the hydropower station dam (1) through the mounting rod.
3. An antifouling fishing device for hydroelectric power stations, according to claim 1, characterized in that: the limiting chain (52) limits the included angle between the longitudinal fishing part and the transverse fishing part (51) in the clockwise direction to be 0-90 degrees.
4. An antifouling fishing device for hydroelectric power stations, according to claim 1, characterized in that: the two sides of the screen plate (53) in sliding fit with the sliding rails (4) are connected with rollers (55) through rotating shafts, and the rollers (55) are in sliding fit in the sliding rails (4).
5. An antifouling fishing device for hydroelectric power stations, according to claim 1, characterized in that: and a scraper (56) extending towards the direction of the trash rack (33) is arranged at the top of the net plate (53) at the topmost end of the longitudinal fishing part.
6. An antifouling fishing device for hydroelectric power stations, according to any of claims 1 to 5, characterized in that: a track (9) is arranged on the hydropower station dam (1) below the end of the arc-shaped section, and a garbage collection vehicle (8) is arranged on the track (9).
7. An antifouling fishing device for hydroelectric power stations, according to claim 6, characterized in that: the winch (7) is arranged below the arc-shaped section (32), and a waterproof cover is arranged on the outer side of the winch (7).
8. An antifouling fishing device for hydroelectric power stations, according to claim 7, characterized in that: two adjacent net plates (53) are connected through hinges (54).
9. An antifouling fishing device for hydroelectric power stations, according to claim 1, characterized in that: the transverse fishing part (51) is of a net structure.
10. An antifouling fishing device for hydroelectric power stations, according to claim 1, characterized in that: and the two ends of the sliding rail (4) are provided with limiting structures.
CN202122908805.4U 2021-11-24 2021-11-24 A antifouling fishing device for power station Active CN216428210U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122908805.4U CN216428210U (en) 2021-11-24 2021-11-24 A antifouling fishing device for power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122908805.4U CN216428210U (en) 2021-11-24 2021-11-24 A antifouling fishing device for power station

Publications (1)

Publication Number Publication Date
CN216428210U true CN216428210U (en) 2022-05-03

Family

ID=81338206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122908805.4U Active CN216428210U (en) 2021-11-24 2021-11-24 A antifouling fishing device for power station

Country Status (1)

Country Link
CN (1) CN216428210U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115125924A (en) * 2022-08-30 2022-09-30 山东省水利科学研究院 A device for cleaning floating objects in a water channel and its operation method
CN115198710A (en) * 2022-08-29 2022-10-18 江西洪屏抽水蓄能有限公司 Water inlet trash blocking device for pumped storage power station
CN116676942A (en) * 2023-08-03 2023-09-01 浙江大学海南研究院 Water surface floater salvaging mechanism and salvage ship

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115198710A (en) * 2022-08-29 2022-10-18 江西洪屏抽水蓄能有限公司 Water inlet trash blocking device for pumped storage power station
CN115198710B (en) * 2022-08-29 2023-08-25 江西洪屏抽水蓄能有限公司 Water inlet trash device of pumped storage power station
CN115125924A (en) * 2022-08-30 2022-09-30 山东省水利科学研究院 A device for cleaning floating objects in a water channel and its operation method
CN115125924B (en) * 2022-08-30 2023-01-10 山东省水利科学研究院 A device for cleaning floating objects in a water channel and its operating method
CN116676942A (en) * 2023-08-03 2023-09-01 浙江大学海南研究院 Water surface floater salvaging mechanism and salvage ship
CN116676942B (en) * 2023-08-03 2023-10-13 浙江大学海南研究院 Water surface floater salvaging mechanism and salvage ship

Similar Documents

Publication Publication Date Title
CN216428210U (en) A antifouling fishing device for power station
CN105421319B (en) Trash removing method for trash rack and bucket type trash remover used for trash removing method
CN206428684U (en) River course gate anti-fouling fence
CN201216895Y (en) Filter for canal
CN211080161U (en) Antifouling fishing device for hydropower station
CN107964933B (en) A kind of trash rack sewage cleaning device
CN203834445U (en) Hydropower station water surface floating object collecting structure
CN207525728U (en) A kind of cleaning plant for being used to clear up the dirt on trash rack
CN202543997U (en) Novel full-open hydraulic grab type trash removal machine
CN206916725U (en) A kind of grid sewage-removing machine grab bucket
CN114180657A (en) Steel wire rope traction type grating cleaner
CN219298150U (en) Hydropower station dirt blocking and cleaning device
CN204475274U (en) A kind of trashrack grizzly bar dredges device clearly
CN206396735U (en) A kind of hydraulic engineering fence of removing contamination
CN219298128U (en) Dirt cleaning device for diversion and regulation water engineering water delivery main channel
CN215105950U (en) Road drainage ditch cleaning device
CN214832497U (en) Self-cleaning trash rack
CN216418462U (en) Grid de-dirt machine debris cleaning device for nuclear power station
CN113694594A (en) Grid de-dirt machine debris cleaning device for nuclear power station
CN218280682U (en) Bridge and culvert trash blocking device with collecting and cleaning functions
CN207419401U (en) A kind of water conservancy and hydropower industry combined type gantry gate hoists
CN216615768U (en) High-efficient system of decontaminating of power station reservoir area
CN111877279B (en) Net bag type garbage cleaning device for water conservancy gate and using method thereof
CN214634523U (en) Municipal sewage environmental protection handles filter equipment
CN205296114U (en) Box hopper formula trash cleaning machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant