CN219821700U - A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated - Google Patents

A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated Download PDF

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Publication number
CN219821700U
CN219821700U CN202320098130.8U CN202320098130U CN219821700U CN 219821700 U CN219821700 U CN 219821700U CN 202320098130 U CN202320098130 U CN 202320098130U CN 219821700 U CN219821700 U CN 219821700U
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China
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water
warning
wire rope
steel wire
fixed pulley
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CN202320098130.8U
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Chinese (zh)
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李新宇
郭棉明
曹毅
张蔚
吴凡
莫之满
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China Three Gorges Corp
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China Three Gorges Corp
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Abstract

The utility model provides a warning blocking system for high-water-level amplitude-variable hydraulic maintenance-free automatic adjustment of a hydropower station, which comprises a steel wire rope, wherein a plurality of warning buoys are arranged on the steel wire rope according to the width of a water surface, two ends of the steel wire rope respectively and correspondingly bypass fixed pulley systems arranged on two sides and are connected with round balance weights, the round balance weights are arranged in a round container with an open hole at the top end, the bottom of the round container is connected with a water supply system for supplying and draining water to the round container, and a water inlet of the water supply system is provided with a filter screen and is arranged below a lowest water level line. The utility model effectively overcomes the defects of a fixed type and winch type warning blocking system, plays the roles of energy saving, high efficiency warning and blocking, and prevents the ship from entering the navigation forbidden water area.

Description

A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated
Technical Field
The utility model relates to a warning blocking system for hydraulic maintenance-free automatic adjustment of high-water-level amplitude variation of a hydropower station, which belongs to the field of safety management of hydropower facilities and is mainly applicable to situations of high water-level amplitude variation, high water-level amplitude variation and untimely response of operators on duty in unit time, such as downstream navigation-forbidden water areas and upstream navigation-forbidden water areas of the hydropower station.
Background
According to national regulations, a warning blocking device is arranged in a hydropower station no-entry water area to prevent a ship from entering the no-entry water area by mistake or prevent terrorist attack, prevent the terrorist ship from entering the no-entry water area to terrorist attack on a dam or a hydropower house, and ensure safe operation of the dam and the hydropower house.
At present, the warning blocking system adopted by the hydropower station is mostly fixed, and the fixed warning blocking system can play a good role in warning and blocking on the water surface with small water level amplitude. The fixed warning blocking system can have adverse effects on the water surface with larger water level change, and is mainly characterized in that after the water level is quickly lifted, the steel wire rope and the pontoon can be semi-submerged under the water, and under the condition, a ship at a distance can not be seen clearly, so that warning and blocking cannot be performed. In the case of terrorist attacks, the barrier effect is not achieved. Secondly, when the water level drops quickly, the steel wire rope and the pontoon can be hoisted in the half space, and the blocking effect of the ship can not be achieved although a certain warning effect can be achieved, and particularly terrorist attack can not be prevented. If the winch type warning blocking device is adopted, personnel are required to watch, and because the personnel need time to judge, the adjustment is difficult to be carried out according to the water level change in real time.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the warning blocking system for the high-water-level amplitude-variable hydraulic maintenance-free automatic regulation of the hydropower station, which is mainly applied to warning and blocking ships at the upper and lower sides of the hydropower station, can effectively adapt to the high-water-level change and can meet the warning and blocking effects of a forbidden water area on the ships. The utility model effectively overcomes the defects of a fixed type and winch type warning blocking system, plays the roles of energy saving, high efficiency warning and blocking, and prevents the ship from entering the navigation forbidden water area.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides a warning blocking system that is used for high water level of power station to become width of cloth water formula maintenance-free automatically regulated, it includes wire rope, is provided with a plurality of warning buoys according to the surface of water width on the wire rope, and wire rope's both ends correspond respectively and bypass the fixed pulley system that sets up at both sides and link to each other with circular balancing weight, and circular balancing weight is arranged in the circular container of top trompil inside, and circular container bottom links to each other with the water supply system that is used for carrying out the water supply and drainage to it, and the filter screen is installed to the water inlet of water supply system and is set up below minimum water line.
The fixed end of fixed wire rope is set up in the position above the highest water level of the bank about, the fixed end is connected with the pulley through connecting wire rope on the basis including fixing the basis on the side bank, and wire rope is connected through the buckle to the other end of pulley.
The fixed pulley system comprises a fixed pulley base, a fixed pulley is supported and installed on the fixed pulley base, a steel wire rope bypasses the fixed pulley, and the fixed pulley is connected with a fixed pulley lubrication system for lubricating the fixed pulley.
The fixed pulley lubrication system comprises a lubricating oil storage container, a pressurizing pump is arranged in the lubricating oil storage container, an outlet of the pressurizing pump is connected with a nozzle through an oil pipe, and the nozzle is arranged on the side surfaces of the fixed pulley and the steel wire rope for lubrication.
The water supply system comprises a water conveying pipeline, a water inlet of the water conveying pipeline is connected with a filter screen, and the other end of the water conveying pipeline is sequentially connected with a Y-shaped filter, a water pump, an electric butterfly valve and an overhaul gate valve and is connected with a round container.
The water pump and the electric butterfly valve are connected with a controller for controlling the opening of the water pump and the electric butterfly valve through control lines.
The cross sections of the circular container and the circular balance weight are cylindrical, and the inner dimension of the circular container is larger than the outer dimension of the circular balance weight.
The weight of the two circular balance weights is matched with the sum of the weight of the steel wire rope and the weight of all the warning buoys.
Novel beneficial effect of use:
1. the utility model can adjust the height of the warning pontoon and the steel wire rope from the water surface in the process of rapid change of the water level.
2. The utility model can more effectively play roles of warning and blocking.
3. The utility model can realize unattended operation and automatic adjustment, and saves manpower.
4. The utility model can directly adjust the warning pontoon and the steel wire rope by adopting hydraulic power, and can save electric energy.
Drawings
The utility model is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the system of the present utility model.
FIG. 2 is a schematic diagram of a warning buoy according to the present utility model.
Fig. 3 is a front view of the fixed end of the present utility model.
FIG. 4 is a top view of the fixed end of the present utility model.
Fig. 5 is a view of the water supply system of the present utility model.
Fig. 6 is an enlarged view of a portion of the side of the fixed sheave system of fig. 1 of the present utility model.
In the figure: steel wire rope 1, warning flotation pontoon 2, fixed pulley system 3, circular counterweight 4, circular container 5, conduit 6, Y type filter 7, electric butterfly valve 8, maintenance gate valve 9, water pump 10, control line 11, buckle 12, fixed pulley 13, fixed pulley base 14, fixed pulley lubrication system 15, lubricating oil storage container 16, oil pipe 17, force (forcing) pump 18, nozzle 19, controller 20, filter screen 21, stiff end 22, basis 23, connection steel wire rope 24, pulley 25.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-6, a warning blocking system for high-water-level amplitude-variable hydraulic maintenance-free automatic adjustment of a hydropower station comprises a steel wire rope 1, wherein a plurality of warning buoys 2 are arranged on the steel wire rope 1 according to the width of a water surface, two ends of the steel wire rope 1 respectively and correspondingly bypass fixed pulley systems 3 arranged on two sides and are connected with round balance weights 4, the round balance weights 4 are arranged in round containers 5 with open tops, the bottoms of the round containers 5 are connected with a water supply system for supplying and draining water to the round containers, and a water inlet of the water supply system is provided with a filter screen 21 and is arranged below a lowest water level. By adopting the warning blocking system, a high-water-level amplitude hydraulic maintenance-free automatic regulation warning blocking system is formed, and the system regulates the height of water in the circular container 5 through water level information, so that the heights of the steel wire rope 1 and the warning buoy 2 are regulated. The system is applied to warning and blocking of ships at the upstream and downstream of the hydropower station, can effectively adapt to high water level change, and can meet the warning and blocking effect of the navigation forbidden water area on the ships. The system effectively overcomes the defects of a fixed type and winch type warning blocking system, plays an energy-saving and efficient warning and blocking role, and prevents ships from entering a navigation forbidden water area.
Further, a fixed end 22 for fixing the steel wire rope 1 is arranged at a position above the highest water level of the left bank and the right bank, the fixed end 22 comprises a foundation 23 fixed on the side bank, the foundation 23 is connected with a pulley 25 through a connecting steel wire rope 24, and the other end of the pulley 25 is connected with the steel wire rope 1 through a buckle 12. The above-described fastening end 22 can be used for the secure fastening of the wire rope 24.
Further, the fixed pulley system 3 comprises a fixed pulley base 14, a fixed pulley 13 is supported and installed on the fixed pulley base 14, the steel wire rope 1 bypasses the fixed pulley 13, and the fixed pulley 13 is connected with a fixed pulley lubrication system 15 for lubricating the fixed pulley. The steel wire rope 1 can be guided through the fixed pulley system 3, so that smooth sliding of the steel wire rope is ensured, and friction force of the steel wire rope is effectively reduced.
Further, the fixed pulley lubrication system 15 includes a lubricant reservoir 16, a booster pump 18 is disposed in the lubricant reservoir 16, an outlet of the booster pump 18 is connected to a nozzle 19 through an oil pipe 17, and the nozzle 19 is disposed on the side surfaces of the fixed pulley 13 and the wire rope 1 for lubrication. The fixed pulley lubrication system 15 can effectively lubricate the pulley. When lubrication is required, the lubrication oil is sucked from the lubrication oil reservoir 16 by the booster pump 18, supplied to the nozzle 19 through the oil pipe 17, and sprayed onto the wire rope 1 and the fixed sheave 13 through the nozzle 19.
Further, the water supply system comprises a water conveying pipeline 6, a water inlet of the water conveying pipeline 6 is connected with a filter screen 21, and the other end of the water conveying pipeline 6 is sequentially connected with a Y-shaped filter 7, a water pump 10, an electric butterfly valve 8 and an overhaul gate valve 9 and is connected with the round container 5. The circular container 5 can be supplied with water through the water supply system, and the height of the circular balance weight 4 inside the circular container is adjusted. In the working process, water is pumped by the water pump 10, and then the water is conveyed to the round container 5 by the water pipe 6 through the water pump 10.
Further, the water pump 10 and the electric butterfly valve 8 are connected with a controller 20 for controlling the opening thereof through a control line 11. The automatic adjustment of the water level inside the circular container 5 can be achieved by the controller 20.
Further, the cross sections of the circular container 5 and the circular counterweight 4 are cylindrical, and the inner dimension of the circular container 5 is larger than the outer dimension of the circular counterweight 4. Through adopting above-mentioned shape size cooperation, guaranteed that circular balancing weight 4 can be at the inside smooth and easy lift of circular container 5, and then realize the regulation of height under buoyancy effect.
Further, the weight of the two circular balance weights 4 is matched with the sum of the weight of the steel wire rope 1 and the weight of all the warning buoys 2.
Further, the round container 5 may be made of reinforced concrete, PVC, stainless steel or stainless steel, or galvanized steel.
Further, the filter screen 21 is disposed at a terminal end of the water pipe 6, filters water entering the water pipe 6, and reduces impurities.
The specific working principle of the utility model is as follows:
the water level information, namely the water level elevation, is collected and sent to the water pump 10 and the controller 20 of the electric butterfly valve 8, and the water pump 10 and the electric butterfly valve 8 are controlled to start and stop, so that river water is sent to the circular container 5 through the water pipe 6, the water level in the circular container 5 is regulated, the effect of controlling the circular balance weight 4 is achieved, the water level in the circular container 5 is high, the buoyancy of the circular balance weight 4 can be regulated, and the height of the steel wire rope 1 and the warning buoy 2 from the water surface can be further regulated.
The working states of the water pump 10 and the electric butterfly valve 8 are divided into two cases. Firstly, the condition that the water level in the water area where the navigation is forbidden rises rapidly, the electric butterfly valve 8 is only required to be opened in the working state, water in the circular container 5 is discharged into the river through the water conveying pipeline 6, the buoyancy of the circular balance weight 4 is reduced, the gravity is increased, and therefore the circular balance weight 4 descends, and accordingly the steel wire rope 1 and the warning buoy 2 ascend to achieve the adjusting effect. Secondly, the situation that the water level of the water area where the navigation is forbidden drops rapidly needs to open the electric butterfly valve 8, meanwhile, the water pump 10 is started, water is supplemented to the circular container 5 through the water conveying pipeline 6, the buoyancy of the circular balance weight 4 is increased, the gravity is reduced, the circular balance weight 4 ascends, and accordingly the steel wire rope 1 and the warning buoy 2 are lowered, and the adjusting effect is achieved.
The specific working process of the utility model comprises the following steps:
the utility model comprises two working conditions, namely, the condition that the water level of the upstream water area rises rapidly, under the working conditions, the electric butterfly valve 8 is only required to be opened according to the water level elevation condition, water in the circular container 5 is discharged into the river through the water pipe 6, the buoyancy of the circular balance weight 4 is reduced, and the gravity is increased, so that the circular balance weight 4 descends, and the steel wire rope 1 and the warning buoy 2 ascend to achieve the adjusting effect. Secondly, the working condition that the water level of the upstream water area is rapidly reduced is that the electric butterfly valve 8 is required to be opened, the water pump 10 is started simultaneously, water is supplemented for the circular container 5 through the water conveying pipeline 6, the buoyancy of the circular balance weight 4 is increased, the gravity is reduced, the circular balance weight 4 is lifted, and accordingly the steel wire rope 1 and the warning buoy 2 are lowered, and the adjusting effect is achieved.

Claims (6)

1. The warning blocking system is characterized by comprising a steel wire rope (1), wherein a plurality of warning buoys (2) are arranged on the steel wire rope (1) according to the width of the water surface, two ends of the steel wire rope (1) respectively and correspondingly bypass fixed pulley systems (3) arranged on two sides and are connected with round balance weights (4), the round balance weights (4) are arranged in a round container (5) with an open hole at the top end, the bottom of the round container (5) is connected with a water supply system for supplying and draining water, and a water inlet of the water supply system is provided with a filter screen (21) and is arranged below a lowest water level;
a fixed end (22) for fixing the steel wire rope (1) is arranged above the highest water level of the left bank and the right bank, the fixed end (22) comprises a foundation (23) fixed on the side bank, the foundation (23) is connected with a pulley (25) through a connecting steel wire rope (24), and the other end of the pulley (25) is connected with the steel wire rope (1) through a buckle (12);
the fixed pulley system (3) comprises a fixed pulley base (14), a fixed pulley (13) is supported and installed on the fixed pulley base (14), the steel wire rope (1) bypasses the fixed pulley (13), and the fixed pulley (13) is connected with a fixed pulley lubrication system (15) for lubricating the fixed pulley.
2. The warning blocking system for high-water-level amplitude-variable hydraulic maintenance-free automatic adjustment of a hydropower station according to claim 1, wherein the fixed pulley lubrication system (15) comprises a lubricating oil storage container (16), a pressurizing pump (18) is arranged in the lubricating oil storage container (16), an outlet of the pressurizing pump (18) is connected with a nozzle (19) through an oil pipe (17), and the nozzle (19) is arranged on the side surfaces of the fixed pulley (13) and the steel wire rope (1) for lubrication.
3. The warning blocking system for the high-water-level amplitude-variable hydraulic maintenance-free automatic adjustment of the hydropower station according to claim 1, wherein the water supply system comprises a water conveying pipeline (6), a water inlet of the water conveying pipeline (6) is connected with a filter screen (21), and the other end of the water conveying pipeline (6) is sequentially connected with a Y-shaped filter (7), a water pump (10), an electric butterfly valve (8) and an overhaul gate valve (9) and is connected with a circular container (5).
4. A warning and blocking system for high water level luffing hydraulic maintenance-free automatic regulation of a hydropower station according to claim 3, characterized in that the water pump (10) and the electric butterfly valve (8) are connected with a controller (20) for controlling the opening thereof by a control line (11).
5. The warning blocking system for high-water-level amplitude-variable hydraulic maintenance-free automatic adjustment of a hydropower station according to claim 1, wherein the cross sections of the circular container (5) and the circular balance weight (4) are cylindrical, and the inner size of the circular container (5) is larger than the outer size of the circular balance weight (4).
6. The warning blocking system for high water level amplitude hydraulic maintenance-free automatic regulation of a hydropower station according to claim 1, characterized in that the weight of two of the circular counterweight blocks (4) is matched with the sum of the weight of the steel wire rope (1) and all warning pontoons (2).
CN202320098130.8U 2023-02-01 2023-02-01 A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated Active CN219821700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320098130.8U CN219821700U (en) 2023-02-01 2023-02-01 A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320098130.8U CN219821700U (en) 2023-02-01 2023-02-01 A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated

Publications (1)

Publication Number Publication Date
CN219821700U true CN219821700U (en) 2023-10-13

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ID=88275194

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320098130.8U Active CN219821700U (en) 2023-02-01 2023-02-01 A warning blocking system that is used for high water level of power station to become width of cloth hydraulic power formula maintenance-free automatically regulated

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CN (1) CN219821700U (en)

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