CN110424340B - Hydraulic engineering is with frostproofing sluice of heating and drainage mechanism thereof - Google Patents
Hydraulic engineering is with frostproofing sluice of heating and drainage mechanism thereof Download PDFInfo
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- CN110424340B CN110424340B CN201910742620.5A CN201910742620A CN110424340B CN 110424340 B CN110424340 B CN 110424340B CN 201910742620 A CN201910742620 A CN 201910742620A CN 110424340 B CN110424340 B CN 110424340B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
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Abstract
The invention discloses a heating anti-freezing water gate for hydraulic engineering and a drainage mechanism thereof, wherein the water gate comprises a concrete seat, a gate frame is fixedly arranged at the top end of the concrete seat, cavities are respectively arranged at two sides of the top end of the gate frame, anti-freezing mechanisms are respectively fixedly arranged in the two cavities, and a water outlet is arranged at the bottom of one side of the gate frame; through the drainage mechanism that is equipped with in one side of gate to and the liquid level switch that is equipped with, after the water level reached preset position, liquid level switch control opened gear motor and drives two row floodgates and open, carry out urgent drainage.
Description
Technical Field
The invention relates to a sluice, in particular to a heating anti-freezing sluice for hydraulic engineering and a drainage mechanism thereof, and belongs to the technical field of sluices.
Background
The sluice is a low-head hydraulic structure with water retaining and draining functions built at the bank of river, channel, reservoir and lake. The gate is closed, so that flood blocking, tide blocking and water level raising can be realized, and the requirement of upstream water taking or navigation can be met; the gate is opened, so that flood discharge, waterlogging drainage, sand flushing, water taking or flow regulation according to the downstream water demand can be realized.
Among the prior art, flood disasters are at night, because nobody opens the gate switch in time, can increase flood disasters 'severity, moreover in winter because the inside icing of gate slide, if do not in time melt the ice-cube, lead to the gate card shell, the gate can't in time put down, in the long term in addition, can reduce the life of gate.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a water conservancy project is with frostproofing sluice of heating and drainage mechanism thereof, includes the concrete seat, the fixed gate frame that is equipped with in top of concrete seat, the cavity has all been seted up to the both sides on gate frame top, two the inside of cavity all is fixed and is equipped with frostproofing mechanism, the discharge opening has been seted up to the bottom of gate frame one side, the spout has all been seted up to the both sides of discharge opening inner wall, two the spout respectively with the both sides sliding connection of gate, the top and the bar recess alternate with the gate and be connected, just the bar recess is seted up at the middle part on gate frame top, two urgent wash ports have been seted up to the bottom of gate one side, the middle part of gate one side is fixed and is equipped with drainage mechanism, the fixed U type support frame that is equipped with in top of gate frame, the.
As a preferred technical scheme, the gate lifting mechanism comprises two shaft seats fixedly arranged at the top end of the U-shaped support frame, a gate, two rolling wheels and a main shaft, wherein one sides of the two shaft seats are respectively and rotatably connected with two ends of the main shaft through first rotating shafts, the rolling wheels are respectively sleeved on two sides of the outer wall of the main shaft, chains are respectively wound on the outer walls of the two rolling wheels, and one ends of the two chains are respectively and fixedly connected with two sides of the top end of the gate.
As a preferred technical solution of the present invention, one end of one of the first rotating shafts penetrates one of the shaft seats to be fixedly connected to one end of a first belt pulley, the first belt pulley is in transmission connection with a second belt pulley through a first belt, the second belt pulley is fixedly connected to an output end of a speed reduction motor, the speed reduction motor is fixedly disposed at a top end of a motor base, the motor base is fixedly disposed at a top of one side of the U-shaped support frame, and the speed reduction motor is electrically connected to an external power supply through an external switch.
As a preferred technical scheme, the anti-freezing mechanism comprises two heating rods fixedly arranged on one side of the inner wall of a cavity, four electric hydraulic cylinders, two water pressing plugs and a plurality of plugging pipes, wherein two sides of the inner wall of the cavity are respectively connected with two sides of the two water pressing plugs in a sliding mode, the plugging pipes are fixedly arranged on one sides of the two water pressing plugs, the plugging pipes are respectively connected with a plurality of water outlet holes in an inserting mode, the other sides of the two water pressing plugs are respectively fixedly connected with output ends of the four electric hydraulic cylinders, the four electric hydraulic cylinders are respectively fixedly arranged on two side edges of a gate frame, water inlets are formed in the bottoms of one sides of the inner walls of the cavity, and the two water inlets are respectively fixedly communicated with water outlets of the two water pumps.
According to a preferred technical scheme, sealing rubber rings are sleeved on one sides of the outer walls of the blocking pipes, the sizes of the sealing rubber rings are matched with the sizes of the water outlet holes, water inlets of the two water pumps are fixedly communicated with a water inlet pipe, and the water pumps, the heating rod and the electric hydraulic cylinder are electrically connected with an external power supply through external switches.
As a preferred technical solution of the present invention, the drainage mechanism includes two fixing seats fixedly disposed on the gate, two rack plates, two row gates hinged to one side of the emergency drainage hole, and a gear, top ends of the two fixing seats are slidably connected to bottom ends of the two rack plates, one sides of the two rack plates are engaged with two sides of the gear, respectively, a bottom of the gear is rotatably connected to a middle portion of a bottom end of one side of the gate through a second rotating shaft, and one ends of the two rack plates are hinged to a middle portion of one side of the two row gates, respectively.
As a preferred technical scheme of the invention, a sealing frame is fixedly arranged on each of two row gates, the size of the sealing frame is matched with that of an emergency drain hole, a third belt pulley is fixedly arranged at the top end of the gear, the third belt pulley is in transmission connection with a fourth belt pulley through a second belt, the bottom end of the fourth belt pulley is fixedly connected with the output end of a driving motor, a liquid level switch is fixedly arranged on the top of one side of each gate, the driving motor is electrically connected with an external power supply through the liquid level switch, and the type of the liquid level switch is SMN 1.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a heating anti-freezing sluice for hydraulic engineering and a drainage mechanism thereof.A heating rod is arranged in two cavities to suck water into the cavities for heating, when the water in the cavities reaches a preset temperature, ice blocks on the inner wall of a slideway are ablated due to the heat conduction performance of heat, hot water is pressed out from the interiors of the cavities by a water pressing plug, and the hot water flows into the insides of the slideways to ablate the ice blocks; through the drainage mechanism that is equipped with in one side of gate to and the liquid level switch that is equipped with, after the water level reached preset position, liquid level switch control opened gear motor and drives two row floodgates and open, carry out urgent drainage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the gate frame of the present invention;
FIG. 3 is a schematic view of the structure of the hydraulic plug of the present invention;
FIG. 4 is a schematic view of the gate structure of the present invention;
FIG. 5 is an enlarged view of the part A of the present invention;
fig. 6 is a schematic view of the enlarged structure at the position B of the present invention.
In the figure: 1. a concrete seat; 2. a gate frame; 3. an emergency drain hole; 4. a chute; 5. a gate; 6. a U-shaped support frame; 7. a main shaft; 8. a chain; 9. a winding wheel; 10. a water pump; 11. a water inlet pipe; 12. a water outlet hole; 13. a water pressing plug; 14. a heating rod; 15. a cavity; 16. an electric hydraulic cylinder; 17. plugging the pipe; 18. sealing the rubber ring; 19. a gate is arranged; 20. a rack plate; 21. a fixed seat; 22. a liquid level switch; 23. a sealing frame; 24. a gear; 25. a second belt; 26. a drive motor; 27. a reduction motor; 28. a first belt; 29. a shaft seat; 30. a strip-shaped groove.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the invention provides a heating anti-freezing water gate for hydraulic engineering and a drainage mechanism thereof, comprising a concrete seat 1, wherein a gate frame 2 is fixedly arranged at the top end of the concrete seat 1, cavities 15 are respectively arranged at both sides of the top end of the gate frame 2, anti-freezing mechanisms are respectively fixedly arranged inside the two cavities 15, a water outlet is arranged at the bottom of one side of the gate frame 2, when flood disasters occur, a gate 5 is lifted by a gate lifting mechanism to drain flood, sliding chutes 4 are respectively arranged at both sides of the inner wall of the water outlet, the two sliding chutes 4 are respectively connected with both sides of the gate 5 in a sliding manner, the top of the gate 5 is connected with strip-shaped grooves 30 in an inserting manner, the strip-shaped grooves 30 are arranged at the middle part of the top end of the gate frame 2, two emergency drainage holes 3 are arranged at the bottom of one side of the gate 5, the drainage mechanism is fixedly arranged at the middle part of one, and a gate lifting mechanism is fixedly arranged at the top end of the U-shaped support frame 6.
The gate lifting mechanism comprises two shaft seats 29 fixedly arranged at the top end of the U-shaped support frame 6, a gate 5, two winding wheels 9 and a main shaft 7, one side of each shaft seat 29 is respectively and rotatably connected with two ends of the main shaft 7 through a first rotating shaft, the winding wheels 9 are sleeved on two sides of the outer wall of the main shaft 7, chains 8 are wound on the outer walls of the two winding wheels 9, one ends of the two chains 8 are respectively and fixedly connected with two sides of the top end of the gate 5, when the output end of the speed reducing motor 27 drives the main shaft 7 to rotate, the main shaft 7 drives the two winding wheels 9 to rotate, the winding wheels 9 wind the chains 8 to drive the gate 5 to lift, one end of one first rotating shaft penetrates through one of the shaft seats 29 to be fixedly connected with one end of a first belt pulley, the first belt pulley is in transmission connection with a second belt pulley through a first belt 28, the second belt pulley is fixedly connected with the output end of the, and the motor base is fixedly arranged at the top of one side of the U-shaped support frame 6, and the speed reducing motor 27 is electrically connected with an external power supply through an external switch.
The anti-freezing mechanism comprises two heating rods 14 fixedly arranged on one side of the inner wall of a cavity 15, four electric hydraulic cylinders 16, a water pressing plug 13 and a plurality of blocking pipes 17, wherein two sides of the inner wall of the cavity 15 are respectively connected with two sides of the two water pressing plugs 13 in a sliding manner, one side of each of the two water pressing plugs 13 is fixedly provided with the plurality of blocking pipes 17, the plurality of blocking pipes 17 are respectively connected with a plurality of water outlet holes 12 in an inserting manner, the other side of each of the two water pressing plugs 13 is respectively fixedly connected with output ends of the four electric hydraulic cylinders 16, the four electric hydraulic cylinders 16 are respectively fixedly arranged on two side edges of a gate frame 2, the bottom of one side of the inner wall of the cavity 15 is provided with water inlets, the two water inlets are respectively and fixedly communicated with water outlets of two water pumps 10, the water pumps 10 introduce water into the cavity 15, the heating rods 14 are opened to heat the, one side of a plurality of jam pipe 17 outer walls all is equipped with sealing rubber circle 18 by the cover, the size of a plurality of sealing rubber circle 18 and the size phase-match of a plurality of apopores 12, the water inlet of two water pumps 10 all fixes the intercommunication and is equipped with inlet tube 11, water pump 10, heating rod 14 and electric hydraulic cylinder 16 all through external switch and external power supply electric connection, electric hydraulic cylinder 16's output drives the stopper 13 of pressing and removes, discharge apopore 12 to the inside hot water of cavity 15, hot water carries out the ice-cube to the slide and melts.
The drainage mechanism comprises two fixing seats 21 fixedly arranged on the gate 5, two rack plates 20, two row brakes 19 hinged on one side of the emergency drainage hole 3 and a gear 24, the top ends of the two fixing seats 21 are respectively connected with the bottom ends of the two rack plates 20 in a sliding manner, one sides of the two rack plates 20 are respectively meshed with two sides of the gear 24, the bottom of the gear 24 is rotatably connected with the middle part of the bottom end of one side of the gate 5 through a second rotating shaft, one ends of the two rack plates 20 are respectively hinged with the middle part of one side of the two row brakes 19, the rack plates 20 are meshed with two sides of the gear 24, when the two rack plates 20 slide inwards, the two row brakes 19 are opened to carry out emergency flood discharge on flood, sealing frames 23 are fixedly arranged on one sides of the two row brakes 19, the size of each sealing frame 23 is matched with the size of the emergency drainage hole 3, and a third belt pulley is fixedly, the third belt pulley passes through second belt 25 and is connected with the transmission of fourth belt pulley, the bottom and the output fixed connection of driving motor 26 of fourth belt pulley, the fixed level switch 22 that is equipped with in top of gate 5 one side, driving motor 26 passes through level switch 22 and external power supply electric connection, level switch 22's model is SMN1, when the position of the level switch 22 of gate 5 is arrived to the water level, then can control opening of driving motor 26.
When the sluice gate 5 is used for flood discharge operation, the reducing motor 27 is turned on, the output end of the reducing motor 27 drives the two rolling wheels 9 on the two sides of the outer wall of the main shaft 7 to rotate, the chain 8 is wound, when the chain 8 is wound, the sluice gate 5 extends out of the strip-shaped groove 30, then flood discharge operation starts, and when flood disasters occur at night in summer, because no fixed personnel open the switch of the sluice gate 5 in time, when the water level reaches the position of the liquid level switch 22, the liquid level switch 22 controls to turn on the driving motor 26, the output end of the driving motor 26 drives the fourth belt pulley to rotate, the gear 24 at the bottom end of the third belt pulley is driven to rotate through the second belt 25, the gear 24 is meshed with one side of the two rack plates 20, so that the two rack plates 20 are driven to slide towards each other, the two rack plates 20 are parallel to each other, and then the two discharge gates 19 are moved out of the two emergency drain holes 3, so that the water on the side of the gate 5 can be discharged from the inside of the two emergency drain holes 3, in winter, due to low temperature, the inside of the slide ways at the two sides of the gate 5 can be frozen to influence the movement of the gate 5, at this time, the water pump 10 is opened, the water pump 10 pumps water into the two cavities 15, then the two heating rods 14 in the cavities 15 are opened, when the water reaches a preset temperature, ice blocks in the slide way are primarily melted due to heat conduction of heat, the electric hydraulic cylinder 16 is opened, the output end of the electric hydraulic cylinder 16 drives the hydraulic plug 13 to move, after the sealing rubber ring 18 in the middle of the outer wall of the blocking pipe 17 extends out of the water outlet hole 12, hot water can enter the slide way from the water outlet hole 12 to melt ice blocks.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A heating anti-freezing water gate for hydraulic engineering and a drainage mechanism thereof comprise a concrete seat (1) and are characterized in that a gate frame (2) is fixedly arranged at the top end of the concrete seat (1), cavities (15) are respectively arranged on two sides of the top end of the gate frame (2), anti-freezing mechanisms are respectively fixedly arranged in the two cavities (15), a water outlet is arranged at the bottom of one side of the gate frame (2), sliding grooves (4) are respectively arranged on two sides of the inner wall of the water outlet, the two sliding grooves (4) are respectively in sliding connection with two sides of a gate (5), the top of the gate (5) is in alternate connection with strip-shaped grooves (30), the strip-shaped grooves (30) are arranged in the middle of the top end of the gate frame (2), two emergency drainage holes (3) are arranged at the bottom of one side of the gate (5), and a drainage mechanism is fixedly arranged in the middle of one side of the gate, the gate frame is characterized in that a U-shaped support frame (6) is fixedly arranged at the top end of the gate frame (2), a gate lifting mechanism is fixedly arranged at the top end of the U-shaped support frame (6), the anti-freezing mechanism comprises two heating rods (14) fixedly arranged on one side of the inner wall of a cavity (15), four electric hydraulic cylinders (16), a water pressing plug (13) and a plurality of blocking pipes (17), two sides of the inner wall of the cavity (15) are respectively in sliding connection with two sides of the two water pressing plugs (13), one side of each of the two water pressing plugs (13) is fixedly provided with the plurality of blocking pipes (17), the plurality of blocking pipes (17) are respectively inserted and connected with the plurality of water outlet holes (12), the other side of each of the two water pressing plugs (13) is respectively in fixed connection with output ends of the four electric hydraulic cylinders (16), the four electric hydraulic cylinders (16) are respectively fixedly arranged on two sides of the gate frame (2, and water inlets are formed in the bottoms of one sides of the inner walls of the two cavities (15), and the two water inlets are respectively and fixedly communicated with the water outlets of the two water pumps (10).
2. The water conservancy project is with frostproofing sluice of heating and drainage mechanism thereof of claim 1, characterized by: the gate lifting mechanism comprises two shaft seats (29), a gate (5), two rolling wheels (9) and a main shaft (7) which are fixedly arranged at the top end of a U-shaped supporting frame (6), one side of each shaft seat (29) is respectively and rotatably connected with the two ends of the main shaft (7) through a first rotating shaft, the rolling wheels (9) are respectively sleeved on the two sides of the outer wall of the main shaft (7), chains (8) are respectively wound on the outer wall of each rolling wheel (9), and the chains (8) are respectively and fixedly connected with the two sides of the top end of the gate (5).
3. The water conservancy project is with frostproofing sluice of heating and drainage mechanism thereof of claim 2, characterized by: one of them one end fixed connection of one of them axle bed (29) and first belt pulley is passed to the one end of first pivot, first belt pulley is connected with the transmission of second belt pulley through first belt (28), the output fixed connection of second belt pulley and gear motor (27), gear motor (27) are fixed to be set up on the top of motor cabinet, just the motor cabinet is fixed to be set up the top at U type support frame (6) avris, gear motor (27) are through external switch and external power supply electric connection.
4. The heating and antifreezing sluice and the drainage mechanism thereof for the hydraulic engineering according to claim 3, wherein: it is a plurality of one side of stifled pipe (17) outer wall all overlaps and is equipped with sealing rubber circle (18), and is a plurality of the size of sealing rubber circle (18) and the size phase-match of a plurality of apopore (12), two the water inlet of water pump (10) is all fixed the intercommunication and is equipped with inlet tube (11), water pump (10), heating rod (14) and electric hydraulic cylinder (16) are all through external switch and external power supply electric connection.
5. The water conservancy project is with frostproofing sluice of heating and drainage mechanism thereof of claim 1, characterized by: drainage mechanism includes two fixed fixing base (21), two rack plate (20), two row's floodgate (19) and gear (24) that set up on gate (5) that articulate in urgent wash port (3) one side, two the top of fixing base (21) respectively with the bottom sliding connection of two rack plate (20), two one side of rack plate (20) meshes with the both sides of gear (24) respectively, just the middle part rotation connection of the bottom of second pivot and gate (5) one side bottom of gear (24), two the one end of rack plate (20) is articulated with the middle part of two row's floodgate (19) one side respectively.
6. The heating and antifreezing sluice and the drainage mechanism thereof for the hydraulic engineering according to claim 5, wherein: two one side of row floodgate (19) is all fixed and is equipped with sealed frame (23), the size of sealed frame (23) and the size phase-match of urgent wash port (3), the fixed third belt pulley that is equipped with in top of gear (24), the third belt pulley passes through second belt (25) and is connected with fourth belt pulley transmission, the bottom of fourth belt pulley and the output fixed connection of driving motor (26), the fixed liquid level switch (22) that is equipped with in top of gate (5) one side, driving motor (26) are through liquid level switch (22) and external power supply electric connection, the model of liquid level switch (22) is SMN 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742620.5A CN110424340B (en) | 2019-08-13 | 2019-08-13 | Hydraulic engineering is with frostproofing sluice of heating and drainage mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742620.5A CN110424340B (en) | 2019-08-13 | 2019-08-13 | Hydraulic engineering is with frostproofing sluice of heating and drainage mechanism thereof |
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| CN110424340A CN110424340A (en) | 2019-11-08 |
| CN110424340B true CN110424340B (en) | 2021-02-05 |
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| CN201910742620.5A Active CN110424340B (en) | 2019-08-13 | 2019-08-13 | Hydraulic engineering is with frostproofing sluice of heating and drainage mechanism thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048332B (en) * | 2021-04-06 | 2024-02-09 | 江苏环亚医用科技集团股份有限公司 | Wall-penetrating antifreezing device |
| CN113089593A (en) * | 2021-04-19 | 2021-07-09 | 蔺梦迪 | High stifled dual-purpose formula water conservancy slipway gate system that leads to of security |
| CN113356154B (en) * | 2021-06-25 | 2023-11-24 | 吴芳芳 | Antifreezing intermittent drainage gate based on water retaining engineering |
| CN114960574A (en) * | 2022-07-01 | 2022-08-30 | 浙江江能建设有限公司 | Anti-freezing device for gate |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1377921A (en) * | 1919-08-05 | 1921-05-10 | Peterson Niels | Antifreeze head-gate |
| JPS56133610A (en) * | 1980-03-24 | 1981-10-19 | Mitsubishi Electric Corp | Preventing device for water-surface freezing |
| CN2540479Y (en) * | 2002-05-28 | 2003-03-19 | 程英宝 | Thin type lock for rolling gate |
| WO2010008304A1 (en) * | 2008-07-14 | 2010-01-21 | Earthset Number Two Limited | Particulate retention systems and uses therefor |
| CN207436016U (en) * | 2017-09-09 | 2018-06-01 | 计磊 | A kind of water conservancy and hydropower gate upstream face anti-freezing device |
| CN107724345A (en) * | 2017-10-24 | 2018-02-23 | 沙洲职业工学院 | The sluice of heating and anti-freezing in a kind of hydraulic engineering |
| CN109958106A (en) * | 2017-12-25 | 2019-07-02 | 刘方旭 | Water conservancy and hydropower gate recess defroster |
| CN208167665U (en) * | 2018-03-19 | 2018-11-30 | 张国强 | A kind of hydraulic and hydroelectric engineering anti-freezing for gate device |
| CN208472671U (en) * | 2018-05-04 | 2019-02-05 | 刘雪 | A kind of Anti-freezing energy conservation gate convenient for adjusting |
| CN109469023B (en) * | 2018-11-14 | 2021-04-23 | 浙江景昌建设有限公司 | Channel gate for hydraulic engineering and installation method thereof |
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Effective date of registration: 20210118 Address after: 238006 Building 1, Fuda garden, east of Century Avenue, Chaohu City, Anhui Province Applicant after: Chaohu water conservancy and Power Construction Co.,Ltd. Address before: 102488 No.50, area 4, Xiyuan village, Da'anshan Township, Fangshan District, Beijing Applicant before: BEIJING DINGHAN TECHNOLOGY Co.,Ltd. |
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Address after: 238000 Building 1, Fuda garden, east of Century Avenue, Chaohu City, Hefei City, Anhui Province Patentee after: Anhui Chaohu water conservancy and Power Construction Group Co.,Ltd. Address before: 238006 Building 1, Fuda garden, east of Century Avenue, Chaohu City, Anhui Province Patentee before: Chaohu water conservancy and Power Construction Co.,Ltd. |