CN110067284B - Irrigation equipment for hydraulic engineering - Google Patents
Irrigation equipment for hydraulic engineering Download PDFInfo
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- CN110067284B CN110067284B CN201910400571.7A CN201910400571A CN110067284B CN 110067284 B CN110067284 B CN 110067284B CN 201910400571 A CN201910400571 A CN 201910400571A CN 110067284 B CN110067284 B CN 110067284B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
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- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Catching Or Destruction (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses an irrigation device for hydraulic engineering, which can easily place a water-absorbing square box body for an electric water pump into river water through the arrangement of a hydraulic cylinder, a first hydraulic cylinder and a motor, effectively solves the difficult problem of difficult manual operation, and through the arrangement of blades and scrapers, the blades can drive a rotating shaft to rotate under the action of the water flow in the square pipe, the rotating shaft drives a U-shaped rod to rotate through a disc, a swing rod and a shaft sleeve when rotating, so that the U-shaped rod can drive the rotating shaft to rotate together, and the scrapers fixed on the rotating shaft can effectively scrape sundries such as weed leaves and the like attached to a filter screen when the rotating shaft rotates, thereby effectively preventing the filter screen from being blocked and effectively improving the working efficiency.
Description
Technical Field
The invention relates to the field of water conservancy projects, in particular to an irrigation device for water conservancy projects.
Background
Irrigation divide into channel irrigation and pipeline irrigation, the pipeline irrigation that uses the most at present is the sprinkling irrigation, pipeline irrigation water source is mostly from river lake, all install the filter screen in inlet tube department mostly for not letting pipeline or sprinkler bead block up, again because of the adsorption affinity of water pump, so on the filter screen easy by debris such as a large amount of pasture and water leaves of absorption, need often clear up the debris on the filter screen in order not to influence pumping water, can seriously influence the progress of sprinkling irrigation like this, and added work load. And should not put into the river the inlet tube of connecting the water pump, firstly because slide easily on the river dam and fall into in the river, have certain risk, secondly because the inlet tube of putting into the river pricks into river bottom silt easily in, silt can get into in the pipe very easily, and then causes the jam of pipe to influence the job schedule.
Disclosure of Invention
In order to solve the existing problems, the invention provides an irrigation device for hydraulic engineering.
The invention is realized by the following technical scheme:
an irrigation device for water conservancy projects comprises a base, wherein four corners of the bottom end of the base are respectively fixedly provided with wheels, one side of the top surface of the base is fixedly provided with a battery, the side end of the battery is provided with an electric water pump which is fixedly arranged on the top surface of the base, a water inlet is fixedly connected with the water inlet of the electric water pump, the side end of the electric water pump is provided with a hydraulic station, the hydraulic station is fixedly arranged on the top surface of the base, the side end of the hydraulic station is provided with a hydraulic cylinder which is fixedly arranged on the top surface of the base, a second guide rod is fixedly arranged on the top surface of the base between the hydraulic station and the electric water pump, a sleeve is slidably sleeved on the second guide rod, a connecting plate is fixedly arranged on the side wall of the sleeve, a fixed plate is fixedly arranged on one side of the top surface, the bottom end of the second transverse plate is fixedly connected with the output end of the hydraulic cylinder, a T-shaped chute is arranged on the top surface of the second transverse plate, a T-shaped sliding block is arranged in the T-shaped chute in a sliding manner, a first transverse plate is fixed on the top end of the T-shaped sliding block, the T-shaped chute extends out of the top end of the T-shaped sliding block, the bottom end of the first transverse plate is connected with the top surface of the second transverse plate in a sliding manner, a baffle is fixed on the top surface of the first transverse plate, a threaded cylinder is fixed on the side wall of the baffle, a threaded rod is sleeved in the threaded cylinder and is in threaded connection with the threaded cylinder, the other end of the threaded rod penetrates through a fixed plate to be fixedly connected with the output end of the motor, the threaded rod is in rotary connection with the contact part of the fixed plate, a first hydraulic cylinder is fixed on one side of the bottom end of the first transverse plate, a second, the first guide rod is connected with the contact part of the first transverse plate in a sliding manner, a first supporting plate is arranged at the right lower end of the second supporting plate, a plurality of inserting rods are uniformly and fixedly arranged at the bottom end of the first supporting plate, vertical rods are symmetrically and respectively fixed on two sides of the top surface of the first supporting plate, the top ends of the vertical rods penetrate through the second supporting plate and are fixedly provided with a first stop dog, the vertical rods are connected with the contact part of the second supporting plate in a sliding manner, a check ring is fixedly sleeved on the vertical rods, a spring is fixedly arranged between the top end of the check ring and the bottom end of the second supporting plate and sleeved on the vertical rods, two supporting rods are fixed on the top surface of the first supporting plate and arranged between the two vertical rods, the top ends of the two supporting rods are fixedly provided with the same carriage, a square box body is fixedly arranged on the top, one end of the square pipe is an arc-shaped surface, an arc-shaped pore plate is fixedly arranged on the arc-shaped surface at the side end of the square pipe, a filter screen is fixedly attached to the inner arc surface of the arc-shaped pore plate, the other end of the square pipe penetrates through the inner side wall of the square box body and extends out of the outer side of the square box body, a telescopic hose is fixedly connected with the contact part of the square pipe and the side wall of the square box body, the other end of the telescopic hose is communicated with the side end of the water inlet pipe, an arc-shaped cover body is fixed on the top surface of the square pipe and is communicated with the inside of the square pipe, a rotating block is embedded in the inner side wall of the arc-shaped cover body and is rotatably connected with the contact part of the arc-shaped cover body, a rotating shaft is fixed on the side surface of the rotating block, a disc is fixed on the inner wall, the improved rotary scraper is characterized in that first rotary blocks are symmetrically embedded in the inner walls of two sides of the square box body respectively, the first rotary blocks are in rotary connection with the contact position of the square box body, a first rotary shaft is arranged between two opposite sides of the first rotary blocks, a scraper is fixed to the first rotary shaft, one end of each first rotary shaft is fixedly connected with the side end of one first rotary block, the other end of each first rotary shaft is fixedly connected with a U-shaped rod, the other end of each U-shaped rod is fixedly connected with the side end of another first rotary block, a shaft sleeve is sleeved at the corner of each U-shaped rod in a sliding mode, a swing rod is fixed to the side wall of the shaft sleeve, and the other end of.
Preferably, the size diameter of the through hole is 2-3 cm.
Preferably, the base and the guide rod are fixedly connected by welding.
Preferably, the electric water pump and the motor are respectively electrically connected with the battery through wires.
Preferably, the hydraulic cylinder and the first hydraulic cylinder are respectively connected with a hydraulic station pipeline through a conduit.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the arrangement of the hydraulic cylinder, the first hydraulic cylinder and the motor, the water-absorbing square box body for supplying the electric water pump can be easily placed in river water, the difficult problem of difficult manual operation is effectively solved, the blades can drive the rotating shaft to rotate under the action of water flow in the square pipe through the arrangement of the blades and the scraping plates, the rotating shaft drives the U-shaped rod to rotate through the disc, the swing rod and the shaft sleeve when rotating, so that the rotating shaft can be driven to rotate together by the U-shaped rod, and the scraping plates fixed on the rotating shaft can effectively scrape sundries such as weed leaves and the like attached to the filter screen when the rotating shaft rotates, so that the blockage of the filter screen is effectively prevented, and the working efficiency is.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a portion of the structure of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1-3, an irrigation device for water conservancy projects comprises a base 1, wherein wheels 2 are fixedly mounted at four corners of the bottom surface of the base 1, a battery 3 is fixedly mounted at one side of the top surface of the base 1, an electric water pump 4 is arranged at the side end of the battery 3, the electric water pump 4 is fixedly mounted on the top surface of the base 1, a water inlet pipe 5 is fixedly connected to a water inlet of the electric water pump 4, a hydraulic station 6 is arranged at the side end of the electric water pump 4, the hydraulic station 6 is fixedly mounted on the top surface of the base 1, a hydraulic cylinder 7 is arranged at the side end of the hydraulic station 6, the hydraulic cylinder 7 is fixedly mounted on the top surface of the base 1, a second guide rod 8 is fixed on the top surface of the base 1 between the hydraulic station 6 and the electric water pump 4, a sleeve 9 is slidably sleeved on the second guide rod 8, a connecting plate 10 is fixed, a motor 16 is fixedly mounted on the side wall of the fixed plate 15, a second transverse plate 11 is fixed at the other end of the connecting plate 10, the bottom end of the second transverse plate 11 is fixedly connected with the output end of the hydraulic cylinder 7, a T-shaped sliding groove 12 is formed in the top surface of the second transverse plate 11, a T-shaped sliding block 13 is slid in the T-shaped sliding groove 12, a first transverse plate 14 is fixed at the top end of the T-shaped sliding block 13, the T-shaped sliding groove 12 extends out of the top surface of the second transverse plate 11, a first transverse plate 14 is fixed at the bottom end of the first transverse plate 14, the bottom end of the first transverse plate 14 is attached to the top surface of the second transverse plate 11 in a sliding manner, a baffle 17 is fixed on the top surface of the first transverse plate 14, a threaded cylinder 18 is fixed on the side wall of the baffle 17, a threaded rod 19 is sleeved in the threaded cylinder 18, the threaded rod 19 is in threaded, a second support plate 21 is fixed on the output end of the first hydraulic cylinder 20, a first guide rod 22 is fixed on the top surface of the second support plate 21, a second stop block 23 is fixed on the top end of the first guide rod 22 penetrating through the first transverse plate 14, the contact part of the first guide rod 22 and the first transverse plate 14 is in sliding connection, a first support plate 24 is arranged at the lower end of the second support plate 21, a plurality of insertion rods 29 are uniformly fixed at the bottom end of the first support plate 24, vertical rods 25 are symmetrically fixed on two sides of the top surface of the first support plate 24 respectively, a first stop block 26 is fixed on the top end of each vertical rod 25 penetrating through the second support plate 21, the contact part of each vertical rod 25 and the second support plate 21 is in sliding connection, a retainer ring 27 is fixedly sleeved on each vertical rod 25, a spring 28 is fixed between the top end of the retainer ring 27 and the bottom end of the second support plate 21, the spring 28 is sleeved on each vertical rod 25, two support, the support rod 30 is arranged between two vertical rods 25, the top ends of the two support rods 30 are fixedly provided with the same carriage 31, the top surface of the carriage 31 is fixedly provided with a square box body 32, the outer wall of the square box body 32 is uniformly provided with a plurality of through holes 33, a square pipe 34 is arranged in the square box body 32, one end of the square pipe 34 is an arc surface, an arc-shaped pore plate 35 is fixedly arranged on the arc surface of the side end of the square pipe 34, a filter screen 36 is fixedly attached to the inner arc surface of the arc-shaped pore plate 35, the other end of the square pipe 34 penetrates through the inner side wall of the square box body 32 and extends out of the outer side of the square box body 32 to be fixedly connected with a flexible hose 37, the contact part of the square pipe 34 and the side wall of the square box body 32 is fixedly connected, the other end of the flexible hose 37 is communicated with, the rotary block 39 is embedded in the inner side wall of the arc cover 38, the rotary block 39 is rotatably connected with the contact part of the arc cover 38, a rotary shaft 40 is fixed on the side surface of the rotary block 39, the other end of the rotary shaft 40 penetrates through the inner wall of the other side of the arc cover 38 and is fixed with a disc 41, the rotary shaft 40 is rotatably connected with the contact part of the side wall of the arc cover 38 in a sealing manner, a plurality of blades 42 are uniformly fixed on the rotary shaft 40 in the arc cover 38, first rotary blocks 43 are symmetrically embedded in the inner walls of the two sides of the square box 32 respectively, the first rotary blocks 43 are rotatably connected with the contact part of the square box 32, a first rotary shaft 44 is arranged between the two opposite sides of the first rotary blocks 43, a scraper 48 is fixed on the first rotary shaft 44, one end of the first rotary shaft 44 is fixedly connected with the side end of the first rotary block 43, and the other end of the, the other end of the U-shaped rod 45 is fixedly connected with the side end of the other first rotating block 43, a shaft sleeve 46 is sleeved at the corner of the U-shaped rod 45 in a sliding mode, a swinging rod 47 is fixed on the side wall of the shaft sleeve 46, and the other end of the swinging rod 47 can be hinged to the edge of the disc 41.
The diameter of the through hole 33 is 2-3 cm.
The base 1 and the guide rod 8 are fixedly connected by welding.
The electric water pump 4 and the motor 16 are respectively electrically connected with the battery 3 through leads.
The hydraulic cylinder 10 and the first hydraulic cylinder 20 are respectively connected with the hydraulic station 6 through pipelines.
The working principle is as follows: when the device is used, firstly, the device is pushed to the river bank through a trailer or manpower, then the output end of the hydraulic cylinder 7 is controlled to stretch according to the height of the river dam, so that the bottom end of the inserted rod 29 is lifted to be higher than the height of the river dam during the stretching of the hydraulic cylinder 7, then the motor 16 is started, the motor 16 drives the first transverse plate 14 to slide towards the river direction through the threaded rod 19 and the threaded cylinder 18, further the square box body 32 is positioned right above the river, then the output end of the first hydraulic cylinder 20 is controlled to stretch, the square box body 32 is sunk into river water through the stretching of the output end of the first hydraulic cylinder 20, during the period, when the bottom end of the first supporting plate 24 touches the river bottom, the inserted rod 29 on the bottom can be inserted into the river bottom, further the first supporting plate 24 stably sits on the river bottom, due to the arrangement of the two vertical rods 25, when the bottom end of the first supporting plate 24 is contacted with the river bottom and can not, two montant 25 tops on the first backup pad 24 can upwards be stretched out from backup pad 21, and then warn operating personnel to stop first pneumatic cylinder 20 and function, because first backup pad 24 bottom has contacted with the river bottom, need not let first backup pad 24 remove downwards again, effectual operation reliability that has improved like this, simultaneously because the rising of two montants 25, retaining ring 27 can extrude spring 28, and then spring 28's elasticity can continuously be used on first backup pad 24, make the inserted bar 29 of first backup pad 24 and its bottom firmly fix at the river bottom, further improvement the reliable and stable performance of this device.
After the work is done, one end of the conduit for sprinkling irrigation is connected to the water outlet of the electric water pump 4, then the electric water pump 4 is started to operate, so that the electric water pump 4 can lead the river water into the conduit for sprinkling irrigation through the through hole 33, the filter screen 36, the arc-shaped pore plate 35, the square pipe 34, the flexible hose 37 and the water inlet pipe 5 in sequence, further the work of sprinkling irrigation and watering is completed, during the period, the blades 42 in the arc-shaped cover body 38 drive the rotating shaft 40 to rotate under the action of the water flow in the square pipe 34, when the rotating shaft 40 rotates, the U-shaped rod 45 is driven to rotate through the disc 41, the swinging rod 47 and the shaft sleeve 46, therefore, the U-shaped rod 45 can drive the rotating shaft 40 to rotate together, and when the rotating shaft 40 rotates, the scraper 48 fixed on the first rotating shaft 44 can effectively scrape sundries such as attached weed leaves on the filter screen 36, so that the filter screen 36 is effectively prevented from being blocked, and the working efficiency is effectively improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an irrigation equipment for hydraulic engineering, includes base (1), its characterized in that: the solar water heater is characterized in that a battery (3) is fixedly mounted on one side of the top surface of the base (1), an electric water pump (4) is arranged at the side end of the battery (3), the electric water pump (4) is fixedly mounted on the top surface of the base (1), a water inlet pipe (5) is fixedly connected to the position of a water inlet of the electric water pump (4), a hydraulic station (6) is arranged at the side end of the electric water pump (4), the hydraulic station (6) is fixedly mounted on the top surface of the base (1), a hydraulic cylinder (7) is arranged at the side end of the hydraulic station (6), the hydraulic cylinder (7) is fixedly mounted on the top surface of the base (1), a second guide rod (8) is fixed on the top surface of the base (1) between the hydraulic station (6) and the electric water pump (4), a sleeve (9) is slidably sleeved on the second guide rod (8), a connecting plate (10) is fixed on the, the automatic feeding device is characterized in that a motor (16) is fixedly mounted on the side wall of the fixed plate (15), a second transverse plate (11) is fixed at the other end of the connecting plate (10), the bottom end of the second transverse plate (11) is fixedly connected with the output end of the hydraulic cylinder (7), a T-shaped sliding groove (12) is formed in the top surface of the second transverse plate (11), a T-shaped sliding block (13) is arranged in the T-shaped sliding groove (12) in a sliding manner, a first transverse plate (14) is fixed at the top end of the T-shaped sliding block (13) extending out of the T-shaped sliding groove (12), a threaded cylinder (18) is fixed on the side wall of the first transverse plate (14), a threaded rod (19) is sleeved in the threaded cylinder (18), the threaded rod (19) is in threaded connection with the threaded cylinder (18), the other end of the threaded rod (19) penetrates through the fixed plate (15) and is fixedly connected with the output end of the motor (16), the threaded rod (19) is rotatably connected with a contact part of the fixed plate (15), a first hydraulic cylinder (20) is fixed on one side of the bottom end of the first transverse plate (14), a second supporting plate (21) is fixed on the output end of the first hydraulic cylinder (20), a first guide rod (22) is fixed on the top surface of the second supporting plate (21), a second stop block (23) is fixed on the top end of the first guide rod (22) penetrating through the first transverse plate (14), the first guide rod (22) is slidably connected with the contact part of the first transverse plate (14), a first supporting plate (24) is arranged at the lower end of the second supporting plate (21), a plurality of inserting rods (29) are uniformly fixed at the bottom end of the first supporting plate (24), vertical rods (25) are symmetrically fixed on two sides of the top surface of the first supporting plate (24) respectively, and a first stop block (26) is fixed on the top end of the vertical rod (25) penetrating through the second supporting plate (21), the vertical rod (25) is in sliding connection with the contact part of the second supporting plate (21), a check ring (27) is fixedly sleeved on the vertical rod (25), a spring (28) is fixedly arranged between the top end of the check ring (27) and the bottom end of the second supporting plate (21), the spring (28) is sleeved on the vertical rod (25), two supporting rods (30) are fixed on the top surface of the first supporting plate (24), the supporting rods (30) are arranged between the two vertical rods (25), the top ends of the two supporting rods (30) are fixed with the same carriage (31), a square box body (32) is fixed on the top surface of the carriage (31), a plurality of through holes (33) are uniformly formed in the outer wall of the square box body (32), a square pipe (34) is arranged in the square box body (32), one end of the square pipe (34) is an arc-shaped surface, and an arc-shaped pore plate (35) is fixedly arranged, a filter screen (36) is fixedly attached to the inner arc surface of the arc-shaped pore plate (35), the other end of the square pipe (34) penetrates through the inner side wall of the square box body (32) and extends out of the outer side of the square box body (32) to be fixedly connected with a telescopic hose (37), the contact part of the square pipe (34) and the side wall of the square box body (32) is fixedly connected with the telescopic hose, the other end of the telescopic hose (37) is communicated with the side end of the water inlet pipe (5), an arc-shaped cover body (38) is fixed on the top surface of the square pipe (34), the arc-shaped cover body (38) is communicated with the inside of the square pipe (34) and is connected with the inside of the square pipe (34), a rotating block (39) is embedded into the inner side wall of the arc-shaped cover body (38), the rotating block (39) is rotatably connected with the contact part of the arc-shaped cover body (, the sealing and rotating connection of the contact position of the rotating shaft (40) and the side wall of the arc cover body (38) is realized, a plurality of blades (42) are uniformly fixed on the rotating shaft (40) in the arc cover body (38), first rotating blocks (43) are symmetrically embedded on the inner walls of two sides of the square box body (32) respectively, the contact position of the first rotating blocks (43) and the square box body (32) is in rotating connection, a first rotating shaft (44) is arranged between two opposite sides of the first rotating blocks (43), a scraper (48) is fixed on the first rotating shaft (44), one end of the first rotating shaft (44) is fixedly connected with the side end of one first rotating block (43), a U-shaped rod (45) is fixed at the other end of the first rotating block (43), a shaft sleeve (46) is sleeved at the corner of the U-shaped rod (45) in a sliding manner, and a swing rod (47) is fixed on the side wall of the shaft sleeve (46), and the other end of the swing rod (47) can be hinged with the edge of the disc (41).
2. The irrigation device for hydraulic engineering according to claim 1, wherein: the diameter of the through hole (33) is 2-3 cm.
3. The irrigation device for hydraulic engineering according to claim 1, wherein: the base (1) and the guide rod (8) are fixedly connected by welding.
4. The irrigation device for hydraulic engineering according to claim 1, wherein: the four corners of the bottom surface of the base (1) are respectively and fixedly provided with wheels (2).
5. The irrigation device for hydraulic engineering according to claim 1, wherein: the hydraulic cylinder (7) and the first hydraulic cylinder (20) are respectively connected with a pipeline of the hydraulic station (6) through a guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910400571.7A CN110067284B (en) | 2019-05-15 | 2019-05-15 | Irrigation equipment for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910400571.7A CN110067284B (en) | 2019-05-15 | 2019-05-15 | Irrigation equipment for hydraulic engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067284A CN110067284A (en) | 2019-07-30 |
| CN110067284B true CN110067284B (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910400571.7A Expired - Fee Related CN110067284B (en) | 2019-05-15 | 2019-05-15 | Irrigation equipment for hydraulic engineering |
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| CN (1) | CN110067284B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110637671A (en) * | 2019-11-05 | 2020-01-03 | 徐州齐聚农业科技有限公司 | Agricultural is support frame for fruit tree |
| CN111255013A (en) * | 2020-01-17 | 2020-06-09 | 贵州中能投科技有限公司 | Surface water taking device |
| CN114182702B (en) * | 2021-12-16 | 2023-01-17 | 中国水利水电第九工程局有限公司 | Water resource drainage irrigation channel based on hydraulic engineering |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100106721A (en) * | 2009-03-24 | 2010-10-04 | 영남대학교 산학협력단 | Filtration system using sedimentary layer of flood-plain for production of raw water for tap water supply and operation method of the same |
| CN102359147B (en) * | 2011-11-07 | 2014-04-16 | 江西稀有稀土金属钨业集团有限公司 | Device and method for taking water from water source |
| JP5645141B2 (en) * | 2012-03-28 | 2014-12-24 | 株式会社階上設備工業 | Water intake equipment |
| CN203891121U (en) * | 2014-05-07 | 2014-10-22 | 泰安市自来水公司 | Municipal tap water floating self-priming water-getting device used for reservoir |
| CN207499139U (en) * | 2017-11-02 | 2018-06-15 | 福建侨龙应急装备有限公司 | A kind of movable pump station of adjustable depth of drawing water |
| CN207685803U (en) * | 2017-11-13 | 2018-08-03 | 烟台静柝沉烽电子科技有限公司 | A kind of water pipeline of anti-filter net jam |
| CN108869150B (en) * | 2018-06-26 | 2020-11-06 | 湖北省巴东县沿渡河电业发展有限公司 | Hydraulic turbine protection device for hydroelectric power generation |
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Granted publication date: 20201103 Termination date: 20210515 |