CN209975481U - Assembled diversion channel of hydropower station - Google Patents
Assembled diversion channel of hydropower station Download PDFInfo
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- CN209975481U CN209975481U CN201921491253.8U CN201921491253U CN209975481U CN 209975481 U CN209975481 U CN 209975481U CN 201921491253 U CN201921491253 U CN 201921491253U CN 209975481 U CN209975481 U CN 209975481U
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Abstract
The utility model discloses a power station pin-connected panel diversion channel, it is including seting up slot (10) in ground (9), be provided with a plurality of diversion units along its length direction in slot (10), the diversion unit includes that two are pour in concrete bed course (2) of slot (10) bottom, cast-in-place bottom plate (3) at the top of concrete bed course (2), is equipped with prefabricated bottom plate (4) between two cast-in-place bottom plate (3), all is equipped with on the outer terminal surface of two cast-in-place bottom plates (3) and supports prefabricated wallboard (5) and prefabricated help (1) on concrete bed course (2). The utility model has the advantages that: the structure is compact, the requirement on the foundation is low, the formwork supporting time is saved, the construction speed is improved, and the construction cost is reduced; the prefabricated and adjustable combined type concrete can be prefabricated, adjusted and installed, the process is achieved, and the construction period is shortened.
Description
Technical Field
The utility model relates to a technical field of diversion channel construction, especially a power station pin-connected panel diversion channel.
Background
A water diversion channel in the hydropower station is used for guiding water flow to a water wheel water inlet of the power station, the water flow with pressure drives a water wheel to rotate, and the water wheel generates power. The water diversion channel is laid subaerial open channel for present, and the construction mode of water diversion channel is: a back-shoveling type excavator is adopted to excavate a long-strip-shaped groove on the ground, then workers squeeze a plurality of steel bars into the foundation of the walls on two sides of the groove of the excavated section, steel meshes are tied on the steel bars through steel ropes, concrete with the thickness of 10cm is cast in place, wall boards can be formed after cement paste is solidified, finally, the workers construct reinforced concrete on the foundation on the lower surface of the groove to form a cast-in-place bottom board, a channel for containing water flow is formed between the cast-in-place bottom board and two prefabricated wall boards, and then the water. However, although the diversion channel can be constructed by the construction method, the construction method has high requirements on the foundation, if the foundation is loose, a thick layer of concrete or cement paste needs to be poured, which undoubtedly increases the construction cost, and the construction period of the existing construction method is long, so that the construction requirements are difficult to meet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, require low, reduce construction cost to the ground, can prefabricate and transfer the dress, reach the flow for construction cycle's power station pin-connected panel diversion channel.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a power station pin-connected panel diversion channel, it is including seting up the slot in the ground, the both sides of slot are the slope, be provided with a plurality of diversion units along its length direction in the slot, diversion unit includes two concrete bed course along slot length direction and pour in the slot bottom, and cast-in-place bottom plate that equals with concrete bed course length is pour at the top of concrete bed course, has set firmly prefabricated bottom plate between two cast-in-place bottom plates, and the length of prefabricated bottom plate equals with the length of concrete bed course, has all pour the prefabricated wallboard that supports on the concrete bed course on two cast-in-place bottom plate's the outer terminal surface, and the prefabricated wallboard extends in the outside of slot, and the concrete bed course of every two adjacent diversion units splices.
The prefabricated wall board and the concrete cushion layer are arranged in an included angle mode, the length of the prefabricated wall board is equal to that of the concrete cushion layer, the top of the concrete cushion layer is supported with a prefabrication aid, the cross section of the prefabrication aid is in a right-angled triangle shape, the horizontal plane of the prefabrication aid is in contact with the surface of the concrete cushion layer, the inclined plane of the prefabrication aid is attached to the outer side face of the prefabricated wall board, and a backfill soil layer is arranged between the vertical plane of the prefabrication aid and the slope of the groove.
Furthermore, the inner side surfaces of the two cast-in-place bottom plates are provided with strip-shaped triangular grooves arranged along the length direction of the cast-in-place bottom plates.
Furthermore, the outer side end of the prefabricated bottom plate is provided with a dowel bar matched with the strip-shaped triangular groove.
Furthermore, the outer side surfaces of the two cast-in-place bottom plates are provided with strip-shaped grooves arranged along the length direction of the cast-in-place bottom plates.
Furthermore, the inner side surfaces of the two prefabricated wall boards are provided with convex strips matched with the strip-shaped grooves.
Further, the two prefabricated wall panels are symmetrically arranged relative to the prefabricated bottom plate, and the two cast-in-place bottom plates are symmetrically arranged relative to the prefabricated bottom plate.
Furthermore, an included angle alpha formed between the prefabricated wall board and the concrete cushion layer is an obtuse angle.
The utility model has the advantages of it is following:
1. the utility model has compact structure, low requirement for the foundation and reduced construction cost;
2. the utility model discloses can prefabricate and transfer the dress, reach the flow for construction cycle.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
in the figure, 1-prefabricated support, 2-concrete cushion, 3-cast-in-place bottom plate, 4-prefabricated bottom plate, 5-prefabricated wall plate, 6-backfill soil layer, 7-dowel, 8-convex strip, 9-foundation, 10-groove and 11-ground line.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-2, a water diversion channel assembled in a hydropower station comprises a trench 10 arranged in a foundation 9, slopes are arranged on two sides of the trench 10, a plurality of water diversion units are arranged in the trench 10 along the length direction of the trench, each water diversion unit comprises two concrete cushion layers 2 which are arranged along the length direction of the trench 10 and are poured at the bottom of the trench 10, cast-in-situ bottom plates 3 which are equal to the concrete cushion layers 2 in length are poured at the top of the concrete cushion layers 2, a prefabricated bottom plate 4 is fixedly arranged between the two cast-in-situ bottom plates 3, the length of the prefabricated bottom plate 4 is equal to the length of the concrete cushion layers 2, prefabricated wall plates 5 supported on the concrete cushion layers 2 are poured on the outer end faces of the two cast-in-situ bottom plates 3, the prefabricated wall plates 5 extend to the outside of the trench 10, and.
The prefabricated wall plate 5 and the concrete cushion layer 2 are arranged in an included angle mode, the length of the prefabricated wall plate 5 is equal to that of the concrete cushion layer 2, the top of the concrete cushion layer 2 is supported with a prefabricated support 1, the cross section of the prefabricated support 1 is a right-angled triangle, the horizontal plane of the prefabricated support 1 is in contact with the surface of the concrete cushion layer 2, the inclined plane of the prefabricated support 1 is attached to the outer side face of the prefabricated wall plate 5, and a backfill soil layer 6 is arranged between the vertical plane of the prefabricated support 1 and the slope of the groove 10.
Preferably, the inner side surfaces of the two cast-in-place bottom plates 3 are provided with strip-shaped triangular grooves arranged along the length direction of the cast-in-place bottom plates, and the outer side ends of the prefabricated bottom plates 4 are provided with dowel bars 7 matched with the strip-shaped triangular grooves.
Preferably, the outer side surfaces of the two cast-in-place bottom plates 3 are provided with strip-shaped grooves arranged along the length direction of the cast-in-place bottom plates, and the inner side surfaces of the two prefabricated wall plates 5 are provided with convex strips 8 matched with the strip-shaped grooves.
Preferably, the two prefabricated wall panels 5 are symmetrically arranged with respect to the prefabricated floor panel 4, and the two cast-in-place floor panels 3 are symmetrically arranged with respect to the prefabricated floor panel 4.
Preferably, the included angle α formed between the prefabricated wall panel 5 and the concrete cushion layer 2 is an obtuse angle.
The utility model discloses a construction steps as follows:
s1, excavating a trench 10 on the foundation 9 by using a backhoe excavator, and piling the excavated soil on two sides of the trench 10; when the groove 10 is excavated, prefabricating a prefabricated bottom plate 4, a prefabricated assisting body 1 and a prefabricated wall plate 5 in a prefabricated field;
s2, constructing steel templates and pouring concrete along the length direction of the groove 10 on the foundations 9 on the two sides of the bottom of the groove 10 by workers, and forming a concrete cushion layer 2 after the concrete is solidified; the prefabricated support 1 and the prefabricated wall plate 5 are adjusted and assembled in place at the top of the concrete cushion layer 2, then a worker sets up a steel template for pouring the cast-in-place bottom plate 3 and pours concrete in the steel template, the cast-in-place bottom plate 3 is formed after the concrete is solidified, the prefabricated bottom plate 4 is adjusted and assembled after the steel template is removed, and thus the construction of one water diversion unit is completed, and a plurality of water diversion units can be continuously constructed in the groove 10 through the circulation operation;
s3, backfilling the soil dug out of the groove 10 into the gap formed by the inner wall of the groove 10 and the prefabricated support 1 by workers, and ensuring that the height of the backfilled soil layer 6 is flush with the ground line 11 of the foundation 9, thereby finally constructing the assembled type aqueduct.
The working principle of the utility model is as follows: the water flow in the river channel is introduced into a water flow channel formed by the prefabricated bottom plate 4, the two prefabricated wall plates 5 and the two cast-in-place bottom plates 3 of the water diversion unit at the first section, and finally the water flow flows out of the water flow channel of the water diversion unit at the tail section and enters a water inlet of a power station, so that the water flow is conveyed.
Because the backfill soil layer 6 is backfilled between the inclined plane of the prefabricated assisting 1 and the slope of the groove 10, and the inclined plane of the prefabricated assisting 1 is attached to the outer side of the prefabricated wall plate 5, the thickness of the backfill soil is increased along with the gradual increase of the depth of the backfill soil, the further soil stress is correspondingly increased, and the soil stress is transmitted to the cast-in-place bottom plate 3 through the prefabricated assisting 1 and the prefabricated wall plate 5 in sequence, so that a large supporting force is formed between the prefabricated bottom plate 4 and the two cast-in-place bottom plates 3, the prefabricated bottom plate 4 is prevented from being crushed by overlarge water pressure, and the prefabricated assisting device has the characteristic of long service life; the prefabricated bottom plate 4 and the two cast-in-place bottom plates 3 are not in contact with the foundation, so that the geological requirements of the foundation do not need to be considered, and meanwhile, the pouring of thick concrete is not needed, so that the implementation cost is reduced.
Since the backfill layer 6 is backfilled between the inclined plane of the prefabricated support 10 and the slope of the groove 10 instead of pouring concrete on the side wall of the groove, the geological requirements of the foundation do not need to be considered.
Furthermore, the utility model discloses an adopt prefabricated bottom plate 4 to and 1 and prefabricated wallboard 5 are assisted in the prefabrication, and the dress is transferred after the prefabrication, reaches the flow for construction cycle.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a power station pin-connected panel diversion channel which characterized in that: the concrete foundation structure comprises a groove (10) arranged in a foundation (9), wherein slopes are arranged on two sides of the groove (10), a plurality of water diversion units are arranged in the groove (10) along the length direction of the groove, each water diversion unit comprises two concrete cushion layers (2) which are arranged along the length direction of the groove (10) and poured at the bottoms of the grooves (10), cast-in-situ bottom plates (3) with the length equal to that of the concrete cushion layers (2) are poured at the tops of the concrete cushion layers (2), a prefabricated bottom plate (4) is fixedly arranged between the two cast-in-situ bottom plates (3), the length of the prefabricated bottom plate (4) is equal to that of the concrete cushion layers (2), prefabricated wall plates (5) supported on the concrete cushion layers (2) are poured on the outer end faces of the two cast-in-situ bottom plates (3), the prefabricated wall plates (5) extend to the outer parts of the grooves (10);
the prefabricated wall plate (5) and the concrete cushion layer (2) are arranged in an included angle mode, the length of the prefabricated wall plate (5) is equal to that of the concrete cushion layer (2), a prefabricated support (1) is supported at the top of the concrete cushion layer (2), the cross section of the prefabricated support (1) is a right-angled triangle, the horizontal plane of the prefabricated support (1) is in contact with the surface of the concrete cushion layer (2), the inclined plane of the prefabricated support (1) is attached to the outer side face of the prefabricated wall plate (5), and a backfill soil layer (6) is arranged between the vertical plane of the prefabricated support (1) and the slope of the groove (10).
2. The assembled water diversion channel of the hydropower station as claimed in claim 1, wherein: and the inner side surfaces of the two cast-in-place bottom plates (3) are provided with strip-shaped triangular grooves arranged along the length direction.
3. The assembled water diversion channel of the hydropower station as claimed in claim 2, wherein: and the outer side end of the prefabricated bottom plate (4) is provided with a dowel bar (7) matched with the strip-shaped triangular groove.
4. The assembled water diversion channel of the hydropower station as claimed in claim 1, wherein: the outer side surfaces of the two cast-in-place bottom plates (3) are provided with strip-shaped grooves arranged along the length direction of the cast-in-place bottom plates.
5. The assembled water diversion channel of the hydropower station as claimed in claim 4, wherein: and convex strips (8) matched with the strip-shaped grooves are arranged on the inner side surfaces of the two prefabricated wallboards (5).
6. The assembled water diversion channel of the hydropower station as claimed in claim 1, wherein: the two prefabricated wall boards (5) are symmetrically arranged relative to the prefabricated bottom board (4), and the two cast-in-place bottom boards (3) are symmetrically arranged relative to the prefabricated bottom board (4).
7. The assembled water diversion channel of the hydropower station as claimed in claim 1, wherein: the included angle alpha formed by the prefabricated wall board (5) and the concrete cushion layer (2) is an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491253.8U CN209975481U (en) | 2019-09-09 | 2019-09-09 | Assembled diversion channel of hydropower station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491253.8U CN209975481U (en) | 2019-09-09 | 2019-09-09 | Assembled diversion channel of hydropower station |
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| CN209975481U true CN209975481U (en) | 2020-01-21 |
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| CN201921491253.8U Active CN209975481U (en) | 2019-09-09 | 2019-09-09 | Assembled diversion channel of hydropower station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424331A (en) * | 2019-09-09 | 2019-11-08 | 四川清和水利水电工程设计有限公司 | A kind of power station pin-connected panel water-drawing channel and construction method |
-
2019
- 2019-09-09 CN CN201921491253.8U patent/CN209975481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424331A (en) * | 2019-09-09 | 2019-11-08 | 四川清和水利水电工程设计有限公司 | A kind of power station pin-connected panel water-drawing channel and construction method |
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