CN211006853U - Dyke siphon station structure - Google Patents
Dyke siphon station structure Download PDFInfo
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- CN211006853U CN211006853U CN201921785227.6U CN201921785227U CN211006853U CN 211006853 U CN211006853 U CN 211006853U CN 201921785227 U CN201921785227 U CN 201921785227U CN 211006853 U CN211006853 U CN 211006853U
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- siphon
- dam body
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Abstract
The utility model relates to a dykes and dams siphon station structure relates to the hydraulic engineering construction field, include: the dam body, the reservoir, the submersible axial-flow pump, the siphon and the water outlet pool further comprise a first fixing device and a second fixing device; the bottom surface of the reservoir is connected with the bottom of the inner side surface of the dam body, the submersible axial-flow pump is positioned in the reservoir, a gap is reserved between the water inlet end of the submersible axial-flow pump and the bottom of the reservoir, and the water outlet end of the submersible axial-flow pump is connected with the inlet of the siphon; and the surface of the dam body is provided with a plurality of first fixing devices and second fixing devices for fixing the siphon. The utility model discloses have and to guarantee that the siphon station also can normally work when the river water level is lower, and the edge of cistern has certain height, can prevent to block up the water inlet in the river silt gets into the cistern, makes the siphon and the firm connection of dam body and difficult not hard up drop increase of service life's effect.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering construction technique and specifically relates to a dykes and dams siphon station structure is related to.
Background
In the field irrigation technology in agricultural water conservancy projects in China at present, channel water diversion is mainly used for water diversion irrigation from dams, and the siphon technology has many defects and few applications when being applied to dam irrigation.
The Chinese utility model patent with the publication number of CN104234119A is retrieved, and discloses a device for quickly establishing a siphon pipeline and a siphon method thereof, wherein the siphon pipeline device comprises a water pump and a siphon pipeline, one end of the water pump is connected with the siphon through a water outlet pipe of the water pump, and the other end of the water pump pumps water from a lower water source through a water inlet pipe of the water pump.
The above prior art solutions have the following drawbacks: when the large siphon pipeline is applied to drought resistance, when the water level of river water is low, a water inlet is easy to separate from the water surface, so that the normal work of the siphon pipe is restricted, if the water inlet is arranged to be low, the water inlet is easy to block due to the accumulation of sediment at the river bottom, and the siphon pipe is not provided with a fixing device for stabilizing the pipeline when being laid, so that the pipeline is easy to loosen and fall off in use under the long-time action of external force (slight earthquake and river scouring force), and the service life of the siphon pipeline device is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dykes and dams siphon station structure has and can normally work when the river water level is lower, prevents that silt in the river from blockking up the water inlet, and the siphon installation is firm, the difficult not hard up, advantage that drops, the life at extension siphon station.
The above object of the present invention can be achieved by the following technical solutions: a dam siphon station structure comprising: the dam body, the reservoir, the submersible axial-flow pump, the siphon and the water outlet pool further comprise a first fixing device and a second fixing device;
the water storage tank is positioned on one side of the riverbed, the bottom surface of the water storage tank is connected with the bottom of the inner side surface of the dam body, the submersible axial-flow pump is positioned in the water storage tank, a gap is reserved between the water inlet end of the submersible axial-flow pump and the bottom of the water tank, and the water outlet end of the submersible axial-flow pump is connected with the inlet of the siphon;
the siphon is formed by splicing a plurality of sections of pipe bodies, the plurality of sections of pipe bodies are attached to the outer surface of the dam body, and the plurality of sections of pipe bodies are connected in a sealing mode through flange plates;
the first fixing device and the second fixing device are used for fixing the siphon, and the first fixing device and the second fixing device are arranged on the dam body.
By adopting the technical scheme, the reservoir is additionally arranged in the dam siphon station, the submersible axial-flow pump is placed in the reservoir, and a gap is reserved between the submersible axial-flow pump and the reservoir, so that the siphon station can work normally when the river water level is low, and the edge of the reservoir has a certain height, so that the sediment in the river water can be prevented from entering the reservoir to block the water inlet; the flange has good sealing performance, and water leakage and air leakage at the joint of each section of siphon are prevented; the siphon and the dam body are stably connected through the first fixing device and the second fixing device and are not easy to loosen and fall off, and the service life is prolonged.
The utility model discloses further set up as, first fixing device includes: the concrete pier is arranged on the surface of the dam body and provided with a plurality of holes, the siphon pipe penetrates through the holes, the bottom surface of the siphon pipe and the concrete pier are filled with the anti-slip plastic pads, the steel plate is arranged between the top surface of the siphon pipe and the concrete pier, the anti-slip plastic pads and the steel plate are both positioned in the holes, the top threads of the concrete pier are assembled with the bolts, and the bottoms of the bolts are connected with the top surfaces of the steel plates and are rotatably assembled;
through adopting above-mentioned technical scheme, in inserting the concrete mound among the first fixing device with the siphon, can restrict the siphon and rock the range, fill with anti-skidding plastic mat between the bottom surface of siphon and the concrete mound, be equipped with the steel sheet between the top surface of siphon and the concrete mound to pass through the threaded fixation at concrete mound top with the bolt, can stabilize the siphon, prevent again that the siphon from rocking in perforating, still effectively avoided between siphon surface and the concrete mound because of the wearing and tearing that rock and arouse.
The utility model discloses further set up to, second fixing device includes: the siphon comprises two semi-annular steel plates, screws and nuts, wherein the siphon is wrapped by the two semi-annular steel plates, the upper end and the lower end of each semi-annular steel plate are respectively connected with two rectangular steel plates, the rectangular steel plates at the lower ends are pre-embedded in the outer side face of the dam body, and the two rectangular steel plates at the upper ends are clamped and fixed through the screws and the nuts.
By adopting the technical scheme, the siphon is wrapped by the two semi-annular steel plates in the second fixing device, the siphon is further fixed, the two rectangular steel plates at the lower ends of the semi-annular steel plates are pre-embedded in the outer side surface of the dam body, so that the siphon and the dam are connected into a whole, the fixing effect of the two semi-annular steel plates is better, and the two rectangular steel plates at the upper ends of the semi-annular steel plates are clamped and fixed through the screws and the nuts, so that the siphon is prevented from loosening; moreover, the second fixing device with the structural design can also be adapted to siphons with different diameters.
The utility model discloses further set up to, the dam body includes: the dam comprises a first inner oblique side face, a secondary platform, a second inner oblique side face, a top plane and an outer oblique side face, wherein stand columns are additionally arranged below the first inner oblique side face, the second inner oblique side face and the outer oblique side face of the dam body, and the stand columns are vertically located in the dam body.
By adopting the technical scheme, when the dam is too high, the construction difficulty of the inclined side surface of the dam is larger, the power requirement on water delivery is extremely high, the secondary platform is additionally arranged to divide the inclined surface construction into multiple sections, the construction difficulty is reduced, the secondary platform with buffering is provided, the power requirement on water delivery can be met, and the bearing capacity of the construction layer on the inclined side surface is limited, so that the bearing capacity of the inclined side surface is enhanced, and the dam body is more stable.
The utility model discloses further set up as, on the second grade platform add on the siphon and be equipped with air relief valve.
Through adopting above-mentioned technical scheme, the siphon is at the during operation, and the easy pipeline is accumulated the air, when the air accumulation reaches a certain amount, can lead to the well end of siphon process, and gas in the pipeline can be climbed along the pipeline, consequently sets up discharge valve on the second grade platform, in time gets rid of the gas in the pipeline, ensures going on smoothly of water delivery.
The utility model discloses further set up to, on the second grade platform increase on the siphon and be equipped with the suction pump.
Through adopting above-mentioned technical scheme, when dykes and dams are higher, the dive formula axial-flow pump of lower extreme is difficult to take out water to dykes and dams top, consequently in order to satisfy the water delivery demand of different height dykes and dams, adds the suction pump at the in-process that rivers rise again, can enough satisfy the water delivery demand of different dykes and dams, can reduce the operating pressure of dive formula axial-flow pump again, prolongs dive formula axial-flow pump's life.
The utility model discloses further set up to, first interior oblique side with the bottom of oblique side all adds the grout blockstone that the cross-section is triangle-shaped in the second.
Through adopting above-mentioned technical scheme, the dam body inclined plane can be stabilized to the triangle-shaped thick liquid rubble, strengthens the compressive capacity of first interior oblique side and second interior oblique side bottom simultaneously.
The utility model discloses further set up to, the filter screen has been laid to the cistern upper shed.
Through adopting above-mentioned technical scheme, often debris appear in the river course, and the volume of debris is great or pile up and cause the orificial jam of end of intaking easily, influences the normal work at siphon station, adopts the filter screen, and the filtration debris guarantee that the water in the cistern is carried smoothly.
The utility model discloses further set up to, the cistern with the bottom of play pond all is provided with C15 concrete cushion, C20 concrete layer, C15 concrete cushion, C20 concrete layer are laid by lower up in proper order.
Through adopting above-mentioned technical scheme, the riverbed soil is disturbed in C15 concrete cushion protection, guarantees the level and smooth of construction face, and the intensity of C20 concrete reinforcing cistern guarantees the cistern stable in structure.
To sum up, the utility model discloses a beneficial technological effect does:
firstly, a reservoir is additionally arranged in the dam siphon station, and the submersible axial flow pump is placed in the reservoir, so that the siphon station can work normally when the river water level is low, and the edge of the reservoir has a certain height, so that silt in the river water can be prevented from entering the reservoir to block a water inlet; the siphon and the dam body are stably connected through the first fixing device and the second fixing device and are not easy to loosen and fall off, and the service life is prolonged.
Secondly, when the siphon works, air is easy to accumulate in the pipeline, and when the air accumulates to a certain amount, the air in the pipeline can climb upwards along the pipeline at the middle end of the siphoning process, so that the exhaust valve is arranged on a secondary platform at a local high point, the air in the pipeline is timely exhausted, and the smooth water delivery is ensured; when the dam is higher, the submersible axial flow pump at the lower end is difficult to pump water to the top of the dam, so that in order to meet the water delivery requirements of dams with different heights, a water pump is additionally arranged in the water flow rising process, the water delivery requirements of different dams can be met, the working pressure of the submersible axial flow pump can be reduced, and the service life of the submersible axial flow pump is prolonged.
Thirdly, in the river course debris often appear, the volume of debris is great or pile up and cause the orificial jam of water inlet end easily, influences the normal work at siphon station, adopts the filter screen, and the filtration debris, the water in the guarantee cistern is carried smoothly.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural diagram of a first fixing device according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a second fixing device according to a first embodiment of the present invention.
Reference numerals: 1. a dam body; 11. a first inner sloping side; 12. a secondary platform; 121. a water pump; 122. an automatic exhaust valve; 13. a second inner sloped side; 14. a top plane; 15. an outer beveled side; 16. a column; 2. a reservoir; 21. filtering with a screen; 22. a C15 concrete pad; 23. c20 concrete layer; 3. a water axial flow pump; 4. a siphon tube; 5. a water outlet pool; 6. a first fixing device; 61. concrete piers; 62. an anti-slip plastic pad; 63. a steel plate; 64. a bolt; 7. two fixing devices; 71. a semi-annular steel plate; 72. a screw; 73. a nut; 74. a rectangular steel plate; 8. a flange plate; 9. and (6) grouting and building the block stone.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a dykes and dams siphon station structure, include: the dam comprises a dam body 1, a water storage tank 2, a submersible axial-flow pump 3, a siphon 4 and a water outlet tank 5, and further comprises a first fixing device 6 and a second fixing device 7.
The water storage tank 2 is located on one side of the river bed, the bottom surface of the water storage tank 2 is connected with the bottom of the inner side surface of the dam body 1, the submersible type axial-flow pump 3 is located in the water storage tank 2, the submersible type axial-flow pump 3 is installed on a first inner inclined side surface 11 of the dam body 1 through a sled type support, the submersible type axial-flow pump 3 is parallel to the first inner inclined side surface 11, a gap is reserved between the water inlet end of the submersible type axial-flow pump 3 and the bottom of the water tank, the water outlet end of the submersible type axial-flow pump 3 is connected with the inlet of the siphon 4, and the port of the siphon 4 in the water outlet tank 5. The siphon 4 is formed by splicing a plurality of sections of pipe bodies, the plurality of sections of pipe bodies are attached to the outer surface of the dam body 1, and the plurality of sections of pipe bodies are connected in a sealing mode through the flange plates 8.
The first fixing device 6 and the second fixing device 7 are used for fixing the siphon 4, and the first fixing device 6 and the second fixing device 7 are arranged on the dam body 1.
The dam body 1 includes: the dam comprises a first inner inclined side surface 11, a secondary platform 12, a second inner inclined side surface 13, a top plane 14 and an outer inclined side surface 15, wherein a stand column 16 is additionally arranged below the first inner inclined side surface 11, the second inner inclined side surface 13 and the outer inclined side surface 15 of the dam body 1, and the stand column 16 is vertically positioned in the dam body 1. When the dam is too high, the construction difficulty of the inclined side face of the dam is large, the power requirement on water delivery is high, the secondary platform 12 is additionally arranged to divide the inclined face construction into multiple sections, the construction difficulty is reduced, the secondary platform 12 with buffering is provided, the power requirement on water delivery can be met, the bearing capacity of a construction layer on the inclined side face is limited, the stand column 16 is additionally arranged below each inclined face, the bearing capacity of the inclined side face is enhanced, and the dam body 1 is more stable.
An automatic exhaust valve 122 is additionally arranged on the siphon 4 on the secondary platform 12, and a water suction pump 121 is additionally arranged on the siphon 4 on the secondary platform 12. When the siphon 4 works, air is easy to accumulate in the pipeline, and when the air accumulates to a certain amount, the air in the pipeline can climb upwards along the pipeline at the middle end of the siphoning process, so that the exhaust valve is arranged on the secondary platform 12, the air in the pipeline is timely exhausted, and the smooth water delivery is ensured; when the dam is higher, the submersible axial flow pump 3 at the lower end is difficult to pump water to the top of the dam, so that in order to meet the water delivery requirements of dams with different heights, the water pump 121 is additionally arranged in the water flow rising process, the water delivery requirements of different dams can be met, the working pressure of the submersible axial flow pump 3 can be reduced, and the service life of the submersible axial flow pump 3 is prolonged.
And the bottom parts of the first inner inclined side surface 11 and the second inner inclined side surface 13 are respectively provided with a grouted blockstone with a triangular section. The 9-triangular grouted blockstones can stabilize the inclined surface of the dam body 1, and meanwhile, the pressure resistance of the bottoms of the first inner inclined side surface 11 and the second inner inclined side surface 13 is enhanced.
A filter screen 21 is laid at the upper opening of the reservoir 2; the bottom of the water storage pool 2 and the bottom of the water outlet pool 5 are both provided with a C15 concrete cushion 22 and a C20 concrete layer 23, and the C15 concrete cushion 22 and the C20 concrete layer 23 are sequentially paved from bottom to top. Sundries often appear in the riverway, the sundries have larger volume or are easy to block the pipe orifice of the water inlet end due to accumulation, so that the normal work of the siphon station is influenced, and the filter screen 21 is adopted to filter the sundries, so that the water in the reservoir 2 is ensured to be smoothly conveyed; the C15 concrete cushion 22 protects the riverbed soil from being disturbed, the smoothness of a construction surface is guaranteed, the strength of the water storage pool 2 is enhanced by the C20 concrete, and the structural stability of the water storage pool 2 is guaranteed.
Referring to fig. 1 and 3, the first fixing device 6 includes: concrete pier 61, anti-skidding plastic pad 62, steel sheet 63 and bolt 64, concrete pier 61 is located dam body 1 and is provided with 6 on the surface, concrete pier 61 is equipped with the perforation, siphon 4 runs through in the perforation, fill with anti-skidding plastic pad 62 between the bottom surface of siphon 4 and the concrete pier 61, be equipped with steel sheet 63 between the top surface of siphon 4 and the concrete pier 61, anti-skidding plastic pad 62, steel sheet 63 all is located the perforation, the top screw thread of concrete pier 61 is equipped with bolt 64, the bottom of bolt 64 is connected and rotates the assembly with steel sheet 63's top surface. Insert siphon 4 in the concrete mound 61 in first fixing device 6, can restrict the siphon 4 range of rocking, fill with anti-skidding plastic mat 62 between the bottom surface of siphon 4 and the concrete mound 61, be equipped with steel sheet 63 between the top surface of siphon 4 and the concrete mound 61 to pass through the threaded fixation at concrete mound 61 top with bolt 64, can stabilize siphon 4, prevent again that siphon 4 from rocking in the perforation, still effectively avoided because of the wearing and tearing that rock and arouse between siphon 4 surface and the concrete mound 61.
Referring to fig. 1 and 4, the second fixing device 7 includes: two semi-ring steel plates 71, screws 72 and nuts 73, first fixing device 7 is located dam body 1 on the surface, and is provided with 4, and siphon 4 is lived in two semi-ring steel plate 71 parcel, and both ends link respectively two rectangle steel plates 74 about two semi-ring steel plates 71, and the rectangle steel plate 74 that is located the lower extreme is pre-buried in dam body 1 outside face, and two rectangle steel plates 74 that are located the upper end pass through screws 72 and nuts 73 and press from both sides the clamp fixedly. Two semi-ring steel plates 71 in the second fixing device 7 wrap up the siphon 4, the siphon 4 is further fixed, two rectangular steel plates 74 at the lower end of the semi-ring steel plate 63 are embedded in the outer side face of the dam body 1, the siphon 4 and the dam are connected into a whole, the fixing effect of the two semi-ring steel plates 71 is better, the two rectangular steel plates 74 at the upper end of the semi-ring steel plate 63 are clamped and fixed through screws 72 and nuts 73, the siphon 4 is prevented from loosening, and the siphon 4 with different diameters can be adapted to the second fixing device 7 of the structural design.
The implementation principle of the embodiment is as follows: the water storage tank 2 is additionally arranged in the dam siphon station, the submersible axial flow pump 3 is placed in the water storage tank 2, a gap is reserved between the submersible axial flow pump 3 and the water storage tank 2, the siphon station can be guaranteed to work normally when the river water level is low, the edge of the water storage tank 2 has a certain height, and sediment in the river water can be prevented from entering the water storage tank 2 to block a water inlet; the flange 8 has good sealing performance, prevents the joints of the siphons 4 from leaking water and gas, enables the siphons 4 to be stably connected with the dam body 1 through the first fixing device 6 and the second fixing device 7, is not easy to loosen and fall off, and prolongs the service life.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A dam siphon station structure, comprising: the dam body (1), the water storage tank (2), the submersible axial-flow pump (3), the siphon (4), the water outlet tank (5), the first fixing device (6) and the second fixing device (7);
the water storage tank (2) is positioned on one side of a river bed, the bottom surface of the water storage tank (2) is connected with the bottom of the inner side surface of the dam body (1), the submersible axial-flow pump (3) is positioned in the water storage tank (2), a gap is reserved between the water inlet end of the submersible axial-flow pump (3) and the bottom of the water tank, and the water outlet end of the submersible axial-flow pump (3) is connected with the inlet of the siphon (4);
the siphon (4) is formed by splicing a plurality of sections of pipe bodies, the plurality of sections of pipe bodies are attached to the outer surface of the dam body (1), and the plurality of sections of pipe bodies are connected in a sealing mode through flange plates (8);
the first fixing device (6) and the second fixing device (7) are used for fixing the siphon (4), and the first fixing device (6) and the second fixing device (7) are arranged on the dam body (1).
2. Dyke siphon station structure, according to claim 1, characterised in that the first fixing means (6) comprise: concrete piers (61), anti-skid plastic pads (62), steel plates (63) and bolts (64);
concrete pier (61) are located dam body (1) are on the surface and be provided with a plurality ofly, concrete pier (61) are equipped with the perforation, siphon (4) run through in the perforation, the bottom surface of siphon (4) with fill with anti-skidding plastic mat (62) between concrete pier (61), the top surface of siphon (4) with be equipped with steel sheet (63) between concrete pier (61), anti-skidding plastic mat (62), steel sheet (63) all are located in the perforation, the top screw thread of concrete pier (61) is equipped with bolt (64), the bottom of bolt (64) with the top surface of steel sheet (63) is connected and rotates the assembly.
3. Dyke siphon station structure, according to claim 1, characterised in that the second fixing means (7) comprise: two semi-annular steel plates (71), screws (72) and nuts (73);
the siphon pipe (4) is wrapped by the two semi-annular steel plates (71), the upper end and the lower end of each semi-annular steel plate (71) are respectively connected with two rectangular steel plates (74), the rectangular steel plates (74) at the lower ends are embedded in the outer side face of the dam body (1), and the two rectangular steel plates (74) at the upper ends are clamped and fixed through screws (72) and nuts (73).
4. Dam siphon station structure according to claim 1, characterised in that the dam (1) comprises: the dam comprises a first inner oblique side face (11), a secondary platform (12), a second inner oblique side face (13), a top plane (14) and an outer oblique side face (15), wherein a stand column (16) is additionally arranged below the first inner oblique side face (11), the second inner oblique side face (13) and the outer oblique side face (15) of the dam body (1), and the stand column (16) is vertically located in the dam body (1).
5. The dike siphon station structure according to claim 4, characterized in that an automatic air exhaust valve (122) is added on the siphon pipe (4) on the secondary platform (12).
6. A dike siphon station structure according to claim 4, characterized in that a suction pump (121) is added on the siphon (4) on the secondary platform (12).
7. Dyke siphon station structure according to claim 4, characterised in that the bottom of the first inner sloping side (11) and the second inner sloping side (13) are each augmented with a masonry block stone (9) with a triangular cross section.
8. Dyke siphon station structure according to claim 1, characterised in that the upper opening of the reservoir (2) is laid with a sieve (21).
9. A dike siphon station structure according to claim 1, characterized in that the bottom of the reservoir (2) and the effluent basin (5) are provided with C15 concrete pad (22), C20 concrete layer (23), the C15 concrete pad (22), C20 concrete layer (23) are laid in sequence from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921785227.6U CN211006853U (en) | 2019-10-22 | 2019-10-22 | Dyke siphon station structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921785227.6U CN211006853U (en) | 2019-10-22 | 2019-10-22 | Dyke siphon station structure |
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| CN211006853U true CN211006853U (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227462A (en) * | 2020-10-19 | 2021-01-15 | 丁晓琴 | Integrative water intaking equipment that prevents blocking up of city dykes and dams bimodulus |
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2019
- 2019-10-22 CN CN201921785227.6U patent/CN211006853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227462A (en) * | 2020-10-19 | 2021-01-15 | 丁晓琴 | Integrative water intaking equipment that prevents blocking up of city dykes and dams bimodulus |
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