CN220521457U - Non-pressure hole head water intake structure - Google Patents
Non-pressure hole head water intake structure Download PDFInfo
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- CN220521457U CN220521457U CN202321980882.3U CN202321980882U CN220521457U CN 220521457 U CN220521457 U CN 220521457U CN 202321980882 U CN202321980882 U CN 202321980882U CN 220521457 U CN220521457 U CN 220521457U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 19
- 210000000481 breast Anatomy 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 210000000779 thoracic wall Anatomy 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000011664 nicotinic acid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract 1
- 208000034699 Vitreous floaters Diseases 0.000 description 3
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 206010015856 Extrasystoles Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
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Abstract
The utility model discloses a non-pressure hole head water intake structure, which comprises a water channel and a control gate, wherein an inlet of the water channel is positioned at the upstream of a river channel, is arranged along a coast slope in a downhill manner, and is connected with the control gate at the tail end; the upstream of the control gate is provided with a box culvert connected with a river channel, and the control gate is positioned between the box culvert and the water delivery tunnel; the control gate comprises a triple groove, a pontoon, a bracket, a gate and a pressing plate, wherein the triple groove comprises a water drain channel, a water tank, a breast wall, a door groove, a top plate, a communicating pipe and a drain pipe; the pontoon is a hollow shell and is positioned in the water tanks at two sides, and can float up and down along with the water level in the water tanks, and the gate is driven to lift by the bracket; the gate is positioned at the orifice of the water drain channel and provided with a plurality of channels, each layer of orifice below the top plate is closed, and Kong Kouguo flow is not influenced when the gate is positioned on the upstream side of the breast wall or the top plate; the pressing plate is used for limiting the tops of the gates at all levels to be level with the breast wall and the top plate respectively and then keeping the height from rising. The utility model has the advantages of energy saving, reliable operation and simple installation.
Description
Technical Field
The utility model relates to a water intake structure in hydraulic engineering, in particular to a non-pressure hole head water intake structure which is located in a mountain river and is unattended, automatically opened to take water after flood, and automatically closed after flood.
Background
The water network engineering is an important means for perfecting a water resource optimal allocation system, and adopts a non-pressure-hole self-dispersion gully to guide flood to a reservoir for centralized regulation, so that the branch flood disasters in mountain areas can be reduced, and the flood can be stored in the reservoir with a certain storage capacity in a centralized manner to realize the utilization of flood resources.
The ecological environment protection is considered in the small river channel water diversion of the tributary, the water diversion is not suitable in the dead water period, 30% -40% of ecological flow is also discharged in the water-rich period, namely, the gate is required to be automatically opened for water taking in the flood-passing period without the pressure hole header water intake, and the gate is automatically closed after the water level falls. The mountain gully has poor traffic conditions and high inspection and management difficulty, so that high requirements are provided for the automatic operation of the gate without the pressure hole header water intake. The matched power line of the newly built control gate in the mountain area has high construction cost and great difficulty, so that a water intake structure capable of automatically running without power distribution at the head part without a pressure hole is necessary to be sought.
The hydraulic automatic control upturning type plate turnover door is adopted for the water intake of the non-pressure tunnel head part, so that the automation level is higher and the energy is saved, but the water intake cannot be arranged in a layered manner in elevation, once a floaters are blocked, the plate turnover cannot be automatically carried out, and the flood control safety is seriously affected; after flood, the flap door is easy to be blocked by foreign matters when being closed again, so that a large amount of water leakage is caused, and manual cleaning is time-consuming and labor-consuming.
Chinese patent CN115075200B discloses a hydraulic automatic opening and closing gate for the lower layer blind river inlet of double-deck river course, including canal and control gate, the control gate includes trigeminy groove, flotation pontoon, support, gate and clamp plate, drives the gate that the layering set up through the flotation pontoon and goes up and down, can realize the function of gate full-automatic opening and close to be applicable to the pond and promote transformation, but this structure can't be directly used in no pressure hole head intake.
Comprehensively considering the practical requirements of flood diversion, closing in the dead water period and poor traffic conditions of the water intake of the non-pressure hole head part of the water network engineering, the water intake structure which is energy-saving in opening and closing, reliable in operation and simple in installation is necessary to be provided.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a non-pressure hole head water intake structure which is used for mountain gullies or tributary small riverways, and the functions that a water diversion channel arranged at the upstream of the riverway leads water to a water intake water tank when the water level of the upstream riverway exceeds a design elevation, a pontoon in the water tank ascends and descends along with the water level in the water tank to drive a gate arranged in a layered manner to ascend and descend synchronously, and the gate can be automatically fully opened when the water level ascends and exceeds the design elevation and automatically fully closed when the water level descends and falls below the design elevation are realized by combining orifices among a layered bottom plate, a breast wall and a top plate.
The technical scheme adopted by the utility model is as follows:
a non-pressure hole head water intake structure comprises a water inlet channel and a control gate. The upstream of the control gate is provided with a box culvert connecting river channel, and the control gate is positioned between the box culvert and the water delivery tunnel; the water channel is positioned on the same side slope of the control gate, the inlet of the water channel is positioned on the upstream of the river channel, the water channel is arranged along the coast slope along the slope, and the tail end of the water channel is connected with the control gate. The water delivery tunnel is a pressureless tunnel, generally adopts a city gate opening section, and a gradual change section is arranged at the connection part of the water delivery tunnel and the control gate. The two sides of the box culvert are connected with the revetment retaining wall, so that the traffic function of the two sides of the control gate is achieved, and the traffic requirement of the control gate in the running period is met.
Further, the control gate comprises a triple groove, a pontoon, a bracket, a gate and a pressing plate. The triple groove is a reinforced concrete structure and comprises a drain channel, a water groove, a breast wall, a door groove, a top plate, a communicating pipe and a drain pipe; the drainage channel is positioned in the middle of the three connecting grooves and is an overflow channel of the control gate, the bottom of the drainage channel is a bottom plate, pier walls are arranged on two sides of the drainage channel, the upstream section is of a U-shaped groove structure, the downstream section is provided with a top plate in the middle of the U-shaped groove, and the upper and the lower sides of the drainage channel are respectively connected with a box culvert and a water delivery tunnel; the water tanks are positioned at two sides of the water drain channel and are containers for accommodating the pontoons; the breast wall is positioned in the drain channel, and is arranged between the drain channel bottom plate and the top plate at intervals in a segmented manner, so that gate layering arrangement is realized; the gate slot is positioned in the pier wall at two sides of the drain channel and is of a cavity structure; the top plate is positioned at the downstream section of the sewer, is L-shaped and is used for connecting pier walls at two sides and a built-in communicating pipe in the horizontal direction and supporting a mountain slope in the vertical direction; the communicating pipe is positioned in the top plate, penetrates through the water tanks at two sides of the water drain channel and is used for balancing water levels of the water tanks at two sides; the inlet of the drain pipe is positioned at the bottom of the side wall of the water tank, and the buried pipe is buried in the drain channel and is a water discharging channel of the water tanks at the two sides. The pontoon is a hollow shell, is positioned in the water tanks at two sides, and the top is connected with the bracket and can float up and down along with the water level in the water tanks, thereby driving the gate to lift. The gate is located in the opening of the drain channel, the gate is provided with a plurality of channels, all layers of openings below the top plate can be closed when the gate is closed, and the gate is located on the upstream side of the breast wall or the top plate when the gate is opened, so that the influence on the overflow of the openings is avoided. The pressing plate is positioned at the top of the gate pier between the two sides of the drain channel and the water tank, can be fixed on the gate pier by bolts and rubber gasket, plays a limiting role on the cross beam of the bracket, and when the water level in the water tank rises to drive the pontoon and the bracket to rise, the top of each stage of gate is limited to be flush with the breast wall and the top plate respectively, and then the height is maintained not to rise any more.
Furthermore, the aperture of the water channel at the water channel part can be additionally provided with a grid, so that sundries are prevented from entering the water channel.
Furthermore, the chest wall can be internally provided with magnetic attraction at the connection part of the chest wall and the gate, so that the vibration of the gate and the gap between the gate and the chest wall are reduced, and the leakage is reduced.
Further, the support is of a truss structure for connecting the pontoon and the gate, is made of stainless steel and comprises a cross beam, a connecting rod, a hinge shaft and a flange nut. The cross beam is hollow square steel, the water tanks at the two sides of the drain channel are welded and fixed with the connecting rod, and the door slot part is connected with the connecting rod by adopting a hinge shaft; each gate is provided with a plurality of connecting rods, and the connecting rods in the water tank are directly connected with the cross beam and the pontoon; the top of the connecting rod at the gate slot part is connected with the cross beam through a hinge shaft, the bottom of the connecting rod is welded with the gate, and a flange nut for adjusting the length of the connecting rod is arranged in the middle.
Further, the gate can adopt an anti-corrosion steel gate or a stainless steel gate, and is externally covered with a bionic thin-wall anti-collision layer, so that collision deformation is avoided; the number and the height of the gates can be increased according to the overflow requirement of the water delivery tunnel, and when the dead weight of the gates is large, the width of the water tank and the length of the pontoon are correspondingly increased.
Furthermore, in order to improve the water diversion effect, the river channel can be provided with a water retaining overflow weir in a matched manner at the downstream of the control gate.
The beneficial effects of the utility model are as follows:
1. the opening and the closing are energy-saving. The water is guided from the upstream river channel to the water tank, and the water level in the water tank is used for lifting and driving the pontoon to move up and down, so that the gate is controlled to open and close, and power distribution is not needed.
2. The operation is reliable. The water channel is used for leading water from the section of the upstream of the river channel, so that the problem that the water tank directly leads the water gate to frequently lift in the river reach where the water intake is located is avoided; the closed water tank does not participate in flood control, so that the problem that the flood control safety is affected by the blocking of a power mechanism by floaters is avoided; the arrangement of the plurality of holes, and the blocking of the individual hole gates by floaters does not affect flood diversion.
3. The installation is simple and convenient. The control gate is basically flush with the terrace, no superstructure is arranged, the slope excavation height is low and is fused with the surrounding environment, no large gate or hoist is arranged, the structure is small, the construction and installation difficulty is reduced, and therefore the requirement on the standard of newly-built traffic roads in mountain areas is reduced.
Drawings
FIG. 1 is a plan view of an embodiment of the present utility model;
FIG. 2 is a detailed plan view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
FIG. 5 is a cross-sectional view of C-C of FIG. 2;
fig. 6 is a D-D cross-sectional view of fig. 2.
In the figure: 1-a water diversion channel; 2-a control gate; 21-triple groove; 21 A-A spillway; 21 b-a water tank; 21 c-breast wall; 21 d-door slot; 21 e-top plate; 21 f-communicating tube; 21 g-drain; 22-pontoons; 23-a bracket; 23 A-A cross beam; 23 b-a connecting rod; 23 c-a hinge shaft; 23 d-a flower blue nut; 24-gate; 25-pressing plates; 3-a water delivery tunnel; 4-water retaining overflow weir; 5-box culvert; and 6, a revetment retaining wall.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 6, the utility model relates to a non-pressure hole head water intake structure, which comprises a water inlet channel 1 and a control gate 2. A box culvert 5 is arranged at the upstream of the control gate 2 and connected with a river channel, and the control gate 2 is positioned between the box culvert 5 and the water delivery tunnel 3; the water channel 1 is positioned on the same side bank slope as the control gate 2, the inlet of the water channel 1 is positioned on the upstream of the river channel, the water channel is arranged along the bank slope, and the tail end of the water channel is connected with the control gate 2. The water delivery tunnel 3 is a pressureless tunnel, generally adopts a city gate opening section, and a gradual change section is arranged at the connection part of the water delivery tunnel and the control gate 2. Two sides of the box culvert 5 are connected with the revetment retaining walls 6, so that the traffic functions of two sides of the control gate 2 are communicated, and the traffic requirements of the control gate 2 in the running period are met.
The control gate 2 comprises a triple tank 21, a pontoon 22, a bracket 23, a gate 24 and a platen 25. The triple tank 21 is a reinforced concrete structure and comprises a drain channel 21a, a water tank 21b, a breast wall 21c, a door slot 21d, a top plate 21e, a communicating pipe 21f and a drain pipe 21g; the drain channel 21a is positioned in the middle of the three connecting grooves 21 and is a flow passage of the control gate 2, the bottom of the drain channel 21a is a bottom plate, pier walls are arranged on two sides of the drain channel 21a, the upstream section is of a U-shaped groove structure, the downstream section is provided with a top plate 21e in the middle of the U-shaped groove, and the upper and the lower sides of the drain channel 21a are respectively connected with the box culvert 5 and the water delivery tunnel 3; the water tanks 21b are located on both sides of the spillway 21a and are containers for accommodating the pontoons 22; the breast wall 21c is positioned in the drain channel 21a, and is arranged between the drain channel bottom plate 21a and the drain channel top plate 21e at intervals in a segmented manner, so that the gate 24 is arranged in a layered manner; the gate slot 21d is positioned in the pier wall at two sides of the drain channel 21a and is of a cavity structure; the top plate 21e is positioned at the downstream section of the drain channel 21a and is L-shaped, and plays a role in connecting pier walls at two sides and the built-in communicating pipe 21f in the horizontal direction and supports a mountain slope in the vertical direction; a communicating pipe 21f is provided in the top plate 21e, penetrates through the water tanks 21b on both sides of the drain 21a, and balances the water level of the water tanks 21b on both sides; the inlet of the drain pipe 21g is positioned at the bottom of the side wall of the water tank 21b, and the buried pipe is buried in the drain channel 21a, so that the drain channel of the water tanks 21b on two sides is formed.
The aperture of the water tank 21b is additionally provided with a grid to prevent sundries from entering the water tank 21b.
The breast wall 21c incorporates magnetic attraction at a portion connected to the shutter 24, thereby reducing vibration of the shutter 24 and a gap between the shutter and the breast wall 21c, and reducing leakage.
The pontoon 22 is a hollow shell, is positioned in the water tanks 21b at two sides, and the top is connected with the connecting rod 23b of the bracket 23, and can float up and down along with the water level in the water tanks 21b, thereby driving the gate 24 to lift.
The bracket 23 is a truss structure for connecting the pontoon 22 and the gate 24, and is made of stainless steel, and comprises a cross beam 23a, a connecting rod 23b, a hinge shaft 23c and a flange nut 23d. The cross beam 23a is hollow square steel, is welded and fixed with the connecting rod 23b in the water tanks 21b at two sides of the drain 21a, and is connected with the connecting rod 23b at the position of the gate slot 21d by adopting a hinge shaft 23 c; each gate 24 is provided with a plurality of connecting rods 23b, and the connecting rods 23b in the water tank 21b are directly connected with the cross beam 23a and the pontoon 22; the top of a connecting rod 23b at the position of the door slot 21d is connected with a cross beam 23a through a hinge shaft 23c, the bottom of the connecting rod 23b is welded with a gate 24, and a turnbuckle 23d for adjusting the length of the connecting rod 23b is arranged in the middle.
The gate 24 is positioned at the opening of the drain 21a, and the gate 24 is provided with a plurality of passages, so that each layer of openings below the top plate 21e can be closed when the gate is closed, and the gate is positioned on the upstream side of the breast wall 21c or the top plate 21e when the gate is opened, thereby avoiding the influence on the overflow of the openings.
The pressing plates 25 are positioned at the tops of the gate piers between the two sides of the drain 21a and the water tank 21b, are fixed on the gate piers by bolts and rubber pads, and play a limiting role on the cross beam 23a of the bracket 23, and when the water level in the water tank 21b rises to drive the pontoons 22 and the bracket 23 to rise, the tops of the gates 24 at all levels are limited to be respectively flush with the breast wall 21c and the top plate 21e, and then the height is maintained not to rise any more.
In order to improve the water diversion effect, the downstream of the control gate 2 of the river channel is provided with a water retaining overflow weir 4 in a matching way.
The above embodiments are described in connection with the accompanying drawings, but are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (8)
1. The utility model provides a no pressure hole head water intake structure which characterized in that: comprises a water channel and a control gate; the upstream of the control gate is provided with a box culvert connected river channel, the control gate is positioned between the box culvert and a water delivery tunnel, the water delivery tunnel is a pressureless tunnel, and the connection part of the control gate and the control gate is provided with a gradual change section; the water channel is positioned on the same side slope of the control gate, the inlet of the water channel is positioned on the upstream of the river channel, the water channel is arranged along the coast slope along the slope, and the tail end of the water channel is connected with the control gate; two sides of the box culvert are connected with the revetment retaining wall;
the control gate comprises a triple groove, a pontoon, a bracket, a gate and a pressing plate; the triple groove is a reinforced concrete structure and comprises a drain channel, a water groove, a breast wall, a door groove, a top plate, a communicating pipe and a drain pipe; the drainage channel is positioned in the middle of the three connecting grooves and is an overflow channel of the control gate, the bottom of the drainage channel is a bottom plate, pier walls are arranged on two sides of the drainage channel, the upstream section is of a U-shaped groove structure, the downstream section is provided with a top plate in the middle of the U-shaped groove, and the upper and the lower sides of the drainage channel are respectively connected with a box culvert and a water delivery tunnel; the water tanks are positioned at two sides of the water drain channel and are containers for accommodating the pontoons; the breast wall is positioned in the drain channel, and is arranged between the drain channel bottom plate and the top plate at intervals in a segmented manner, so that gate layering arrangement is realized; the gate slot is positioned in the pier wall at two sides of the drain channel and is of a cavity structure; the top plate is positioned at the downstream section of the spillway and is L-shaped, the two side pier walls are connected in the horizontal direction, and the mountain side slope is supported in the vertical direction; the communicating pipe is positioned in the top plate and penetrates through the water tanks at two sides of the water drain channel; the inlet of the drain pipe is positioned at the bottom of the side wall of the water tank, and the buried pipe is buried into the drain channel and is a water drainage channel of the water tanks at the two sides; the pontoon is a hollow shell and is positioned in the water tanks at the two sides, and the top of the pontoon is connected with the bracket and can float up and down along with the water level in the water tanks, so that the gate is driven to lift; the gate is positioned at the orifice of the water drain channel, the gate is provided with a plurality of channels, each layer of orifices below the top plate are closed when the gate is closed, and the gate is positioned at the upstream side of the breast wall or the top plate when the gate is opened; the pressing plates are positioned at the tops of the gate piers between the two sides of the drain channel and the water tank and are fixed on the gate piers.
2. The non-pressure hole header water intake structure according to claim 1, wherein: and the water channel is provided with a grid at the orifice of the water channel part.
3. The non-pressure hole header water intake structure according to claim 1, wherein: the chest wall is provided with a magnetic attraction at the connecting part of the chest wall and the gate.
4. The non-pressure hole header water intake structure according to claim 1, wherein: the support is of a truss structure for connecting the pontoon and the gate, and adopts a stainless steel structure, and comprises a cross beam, a connecting rod, a hinge shaft and a flange nut; the cross beam is hollow square steel, the water tanks at the two sides of the drain channel are welded and fixed with the connecting rod, and the door slot part is connected with the connecting rod by adopting a hinge shaft; each gate is provided with a plurality of connecting rods, and the connecting rods in the water tank are directly connected with the cross beam and the pontoon; the top of the connecting rod at the door slot part is connected with the cross beam through a hinge shaft, the bottom of the connecting rod is welded with the gate, and a flange nut for adjusting the length of the connecting rod is arranged in the middle.
5. The non-pressure hole header water intake structure according to claim 1, wherein: the gate adopts an anti-corrosion steel gate or a stainless steel gate, and is externally covered with a bionic thin-wall anti-collision layer; the number and the height of the gates are set according to the overflow requirement of the water delivery tunnel.
6. The non-pressure hole header water intake structure according to claim 1, wherein: and a water retaining overflow weir is arranged in the river channel at the downstream of the control gate in a matched manner.
7. The non-pressure hole header water intake structure according to claim 1, wherein: the water delivery tunnel adopts a city gate type section.
8. The non-pressure hole header water intake structure according to claim 1, wherein: the pressing plate is fixed on the gate pier by bolts and rubber gaskets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980882.3U CN220521457U (en) | 2023-07-26 | 2023-07-26 | Non-pressure hole head water intake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980882.3U CN220521457U (en) | 2023-07-26 | 2023-07-26 | Non-pressure hole head water intake structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220521457U true CN220521457U (en) | 2024-02-23 |
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ID=89939310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321980882.3U Active CN220521457U (en) | 2023-07-26 | 2023-07-26 | Non-pressure hole head water intake structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220521457U (en) |
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2023
- 2023-07-26 CN CN202321980882.3U patent/CN220521457U/en active Active
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