CN215289986U

CN215289986U - Pipe setting and lowering ecological water structure of exposed top type plane gate

Info

Publication number: CN215289986U
Application number: CN202121120262.3U
Authority: CN
Inventors: 覃志强; 申献平; 谢晨希
Original assignee: Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Current assignee: Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-24
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses an dew top formula plane gate is established pipe and is transferred ecological water structure, including dew top formula plane steel gate, the piece is buried in the gate slot, the starting and stopping equipment and the facility that drains. This structure adopts to establish the pipe on the girder in building dew top formula plane steel gate and transfer the ecological water mode, only carries out local transformation to the gate structure, just can reach the purpose of transferring ecological water, need not carry out the transformation in the aspect of dam, civil engineering, and later stage operation maintenance is with low costs, is suitable for not setting up in former power station and permanently transfers ecological water facility, the reservoir dead water level is higher, the spillway is provided with in the transformation engineering of plane steel gate. The utility model discloses simple structure, easy to carry out, low cost, excellent in use effect.

Description

Pipe setting and lowering ecological water structure of exposed top type plane gate

Technical Field

The utility model belongs to the technical field of the metallic structure technique among the hydraulic and hydroelectric engineering and specifically relates to a dew top formula plane gate is established the pipe and is transferred ecological water structure.

Background

Along with the improvement of the ecological water lowering requirement of the national ecological environment protection policy on hydropower station engineering, related documents require that the hydropower station (diversion type) needs to continuously lower the ecological water, the ecological water standard is lowered according to 10% of the annual average runoff of a river channel, the phenomenon of river current interruption is avoided, and the harmony of aquatic organisms and the environment in the river channel is ensured.

Before 2010, over 90% of domestic small and medium-sized hydropower stations built in China have failed to consider permanent ecological water transfer facilities in original design, and if the ecological water transfer facilities are additionally arranged on a dam or a shore opening at present, the small and medium-sized hydropower stations not only face the improvement of an original structure, but also have high construction cost and great construction difficulty and can influence the power generation benefit of the hydropower stations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides an it establishes the pipe and transfers ecological water structure to dew top formula plane gate, it can realize permanently transferring ecological water after carrying out local change in the spillway import plane steel gate door body of having built, satisfies ecological environmental protection requirement to overcome prior art's not enough.

The utility model discloses a realize like this: an exposed-top type plane gate pipe-arranging and ecological water-lowering structure comprises an exposed-top type plane steel gate, a gate slot embedded part, an opening and closing device and a water discharging facility, wherein the exposed-top type plane steel gate is connected with the opening and closing device and is positioned in the gate slot embedded part; the top-exposed type plane steel gate comprises a panel, a main beam, a partition plate, a main wheel and a lifting lug; the water drainage facility comprises a water drainage section, a straight pipe section, a flow regulating valve, a bent pipe section and a rib plate; the hole is opened in the middle of the panel of the exposed top type plane steel gate, the water diversion section of the water drainage facility is of a horn mouth structure, the water diversion section is connected with the straight pipe section, the straight pipe section is connected with the bent pipe section, and the straight pipe section and the bottom, the side face and the top of the bent pipe section are fixed on the main beam through the rib plates, so that the water drainage facility forms a structure penetrating through the exposed top type plane steel gate.

The gate slot embedded part comprises a sill, a main rail and a reverse rail.

The starting and stopping device comprises a bent frame, a fixed hoisting type starting and stopping machine, a steel wire rope, a hanging head and a winder; the opening and closing equipment is connected with the main wheel of the exposed top type plane steel gate through a steel wire rope.

And a flow monitoring facility is arranged above the exposed top type plane steel gate.

Owing to adopted above-mentioned technical scheme, compare with prior art, this structure adopts to establish the pipe on the girder in the built dew top formula plane steel gate and transfers ecological water mode, only carries out local transformation to gate structure, just can reach the purpose of transferring ecological water, need not carry out the transformation in the aspect of dam, civil engineering, and later stage operation maintenance is with low costs, is suitable for not setting up in former power station and permanently transfers ecological water facility, the reservoir dead water level is higher, the spillway is provided with in the transformation engineering of plane steel gate.

The utility model discloses simple structure, easy to carry out, low cost, excellent in use effect.

Drawings

Fig. 1 is a schematic view of the working state of the present invention;

FIG. 2 is a schematic diagram (I) of the gate body modification of the utility model;

fig. 3 is a schematic diagram (ii) of the gate body modification of the present invention.

Detailed Description

The embodiment of the utility model provides a: the open-top type plane gate is provided with a pipe to lower the ecological water structure, a certain hydropower station engineering dam is an arch dam, the power generation operation is completed in 1994, the ecological water lowering facility is not considered in the original design, the ecological water lowering scheme is reformed in 2019, according to actual conditions, a flood discharge meter hole 1# hole exposed top type plane working gate 1 is selected to be transformed, the gate orifice is 12m multiplied by 7m (width multiplied by height), the designed water head is 7m, a water discharging facility is arranged in the middle of the exposed top type working gate 1, the structure is shown in figure 1 and comprises an exposed top type plane steel gate 1, a gate slot embedded part 2, an opening and closing device 3 and a water discharging facility 4, the exposed top type plane steel gate 1 is connected with the opening and closing device 3, the exposed top type plane steel gate 1 is positioned in a gate slot embedded part 2, and the gate slot embedded part 2 comprises a bottom sill 2-1, a main rail 2-2 and a reverse rail 2-3. The starting and stopping device 3 comprises a bent 3-1, a fixed winch hoist 3-2, a steel wire rope 3-3, a hanging head 3-4 and a winder 3-5; the opening and closing device 3 is connected with main wheels 1-4 of the exposed top type plane steel gate 1 through steel wire ropes 3-3. The top-exposed type plane steel gate 1 comprises main beams 1-2, partition plates 1-3, main wheels 1-4 and lifting lugs 1-5; the water discharging facility 4 comprises a water guiding section 4-1, a straight pipe section 4-2, a flow regulating valve 4-3, a bent pipe section 4-4 and a rib plate 4-5; a hole is formed in the middle of a panel 1-1 of the exposed-top type plane steel gate 1, a water diversion section 4-1 of a water drainage facility 4 is of a bell mouth structure, the water diversion section 4-1 is connected with a straight pipe section 4-2, the straight pipe section 4-2 is connected with a bent pipe section 4-4, and the bottoms, the side faces and the tops of the straight pipe section 4-2 and the bent pipe section 4-4 are welded on the panel 1-1 through rib plates 4-5, so that the water drainage facility 4 forms a structure penetrating through the exposed-top type plane steel gate 1. A flow monitoring facility 5 is arranged above the exposed top type plane steel gate 1, and ecological water is transferred through a monitoring valve to reach the permanent transfer ecological condition.

According to the introduction, certain power station has adopted the technical scheme of the utility model, the input cost is 95 ten thousand yuan, the time limit for a project is 23 days has just solved and has transferred the ecological water facility, and adopts this scheme, moves up to now, the gate vibration does not appear, and the water seal leaks the phenomenon, has satisfied the environmental protection department and has transferred the requirement of ecological water, and structure safe and reliable has reached expected effect.

Claims

1. The utility model provides an it transfers ecological water structure to dew top formula plane gate establishes pipe, includes dew top formula plane steel gate (1), and the door slot buries piece (2), starting and stopping equipment (3) and facility (4) drain, its characterized in that: the top-exposed type plane steel gate (1) is connected with the opening and closing equipment (3), and the top-exposed type plane steel gate (1) is positioned in the gate slot embedded part (2); the top-exposed type plane steel gate (1) comprises a panel (1-1), a main beam (1-2), a partition plate (1-3), a main wheel (1-4) and a lifting lug (1-5); the water discharging facility (4) comprises a water discharging section (4-1), a straight pipe section (4-2), a flow regulating valve (4-3), a bent pipe section (4-4) and a rib plate (4-5); a hole is formed in the middle of a panel (1-1) of the exposed-top type planar steel gate (1), a water diversion section (4-1) of a water drainage facility (4) is of a bell mouth structure, the water diversion section (4-1) is connected with a straight pipe section (4-2), the straight pipe section (4-2) is connected with a bent pipe section (4-4), and the bottom, the side face and the top of the straight pipe section (4-2) and the bent pipe section (4-4) are fixed on a main beam (1-2) through rib plates (4-5), so that the water drainage facility (4) forms a structure penetrating through the exposed-top type planar steel gate (1).

2. The ecological water structure is transferred to dew top formula plane gate of claim 1 pipe setting, characterized in that: the gate slot embedded part (2) comprises a sill (2-1), a main rail (2-2) and a counter rail (2-3).

3. The ecological water structure is transferred to dew top formula plane gate of claim 1 pipe setting, characterized in that: the starting and stopping device (3) comprises a bent frame (3-1), a fixed hoisting type starting and stopping machine (3-2), a steel wire rope (3-3), a hanging head (3-4) and a winder (3-5); the opening and closing device (3) is connected with a main wheel (1-4) of the exposed top type plane steel gate (1) through a steel wire rope (3-3).

4. The ecological water structure is transferred to dew top formula plane gate of claim 1 pipe setting, characterized in that: a flow monitoring facility (5) is arranged above the exposed top type plane steel gate (1).