CN211368574U - Concrete dam drain hole pore-forming device - Google Patents
Concrete dam drain hole pore-forming device Download PDFInfo
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- CN211368574U CN211368574U CN201922151104.3U CN201922151104U CN211368574U CN 211368574 U CN211368574 U CN 211368574U CN 201922151104 U CN201922151104 U CN 201922151104U CN 211368574 U CN211368574 U CN 211368574U
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- forming device
- concrete dam
- cylindrical
- drain hole
- stand
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Abstract
The utility model discloses a concrete dam wash port pore-forming device, including cylindrical gasbag, three piece at least stands and a plurality of rings, each stand circumference interval distribution, and connect through a plurality of rings between each stand and form cylindrical frame, each ring is along the length direction interval distribution of stand, and in each ring was worn to locate by cylindrical gasbag, cylindrical gasbag's top had the charging connector. The concrete dam drain hole forming device is simple, fast and efficient in construction, capable of saving a large amount of labor and simplifying construction procedures.
Description
Technical Field
The utility model relates to a hydraulic engineering dam construction equipment technical field especially relates to a concrete dam wash port pore-forming device.
Background
Concrete dams are typically provided with a vertical or nearly vertical drain system at the upstream barrier, leading to a longitudinal drain gallery, the upper of which leads to an upper gallery or dam roof. The inner diameter of the drain pipe is generally 15-25 cm, pipe drawing, drilling or prefabricated sand-free concrete pipe construction is adopted in the traditional method, pipe drawing is needed after construction, 4-5 persons are often needed for pipe drawing, one steel pipe can be drawn out after 1-2 hours, the construction process is complex, and the working efficiency is low. And the steel pipe is inevitably required to shake and beat in the pipe drawing process, so that the steel pipe is deformed, a parting line is separated after a hole is formed, the steel pipe is seriously wasted, and the hole drilling and cleaning treatment needs to be carried out at high cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a concrete dam wash port pore-forming device that the construction is simple swift high-efficient, can practice thrift a large amount of manual works and simplify construction process.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a concrete dam wash port pore-forming device, includes cylindrical gasbag, three piece at least stands and a plurality of rings, each stand circumference interval distribution, and connect through a plurality of rings between each stand and form cylindrical frame, each ring along the length direction interval distribution of stand, cylindrical gasbag wears to locate in each ring, the top of cylindrical gasbag has the charging connector.
As a further improvement of the above technical solution:
each the top of stand is equipped with the connecting piece, the top of connecting piece is equipped with the socket hole.
The bottom of the connecting piece is provided with a sleeving hole which is sleeved on the upright post.
The middle part of the connecting piece is provided with a bearing block, and the bearing block is positioned between the bearing hole and the sleeve hole.
The upright posts are uniformly distributed at intervals.
The rings are evenly distributed at intervals.
The upright posts and the circular rings are of steel body structures.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a concrete dam wash port pore-forming device, including cylindrical gasbag, three piece at least stands and a plurality of rings, each stand circumference interval distribution, and connect through a plurality of rings between each stand and form cylindrical frame, each ring is along the length direction interval distribution of stand, and cylindrical gasbag wears to locate in each ring, and cylindrical gasbag's top has the charging connector. When the dam is used, the cylindrical frame is fixed at a dam drain hole (lubricating oil can be coated on the periphery of the cylindrical air bag), the cylindrical air bag is inserted into the cylindrical frame, the bottom of the cylindrical air bag extends into the lower layer hole, the cylindrical air bag is inflated to 50Kpa through the inflation nozzle, the cylindrical air bag is inflated in the cylindrical frame, the strength is sufficient, and dam concrete pouring is carried out after a lower layer hole opening is blocked. After pouring and concrete solidification forming are completed, gas in the cylindrical air bag is gradually discharged through the inflating nozzle so that the cylindrical air bag contracts, demolding is realized in the contraction process of the cylindrical air bag, then the cylindrical air bag is taken out to be reused, and the cylindrical frame is reserved in the concrete to serve as a supporting structure. The concrete dam drain hole forming device is simple, fast and efficient in construction, capable of saving a large amount of labor and simplifying construction procedures.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the concrete dam drain hole forming device of the present invention.
Fig. 2 is a schematic view of the structure of the concrete dam drain hole forming device.
Fig. 3 is a schematic perspective view of a cylindrical frame of the concrete dam drain hole forming device of the present invention.
Fig. 4 is a schematic structural view of the cylindrical frame of the concrete dam drain hole forming device of the present invention.
Fig. 5 is an enlarged view at a in fig. 4.
The reference numerals in the figures denote:
1. a cylindrical air bag; 11. an air charging nozzle; 2. a column; 3. a circular ring; 4. a connecting member; 41. a socket hole; 42. sleeving a hole; 43. and a bearing block.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Fig. 1 to 5 show the utility model discloses concrete dam wash port pore-forming device's an embodiment, this concrete dam wash port pore-forming device includes cylindrical gasbag 1, four stands 2 and eight rings 3, 2 circumference interval distributions of each stand, and connect through a plurality of rings 3 between each stand 2 and form cylindrical frame, each ring 3 along the length direction interval distribution of stand 2, cylindrical gasbag 1 wears to locate in each ring 3, cylindrical gasbag 1's top has charging connector 11. When the dam air bag is used, the cylindrical frame is fixed at a dam drain hole (lubricating oil can be coated on the periphery of the cylindrical air bag 1), the cylindrical air bag 1 is inserted into the cylindrical frame, the bottom of the cylindrical air bag 1 extends into the lower layer hole, the cylindrical air bag 1 is inflated to 50Kpa through the inflation nozzle 11, the cylindrical air bag 1 is inflated in the cylindrical frame, the strength is sufficient, the lower layer hole opening is blocked, and then dam concrete pouring is carried out. After pouring and concrete solidification forming are completed, gas in the cylindrical air bag 1 is gradually discharged through the inflating nozzle 11 so that the cylindrical air bag 1 contracts, demolding is realized in the contraction process of the cylindrical air bag 1, then the cylindrical air bag 1 is taken out to be reused, and the cylindrical frame is reserved in the concrete to serve as a supporting structure. The concrete dam drain hole forming device is simple, fast and efficient in construction, capable of saving a large amount of labor and simplifying construction procedures.
In this embodiment, the top of each stand 2 is equipped with connecting piece 4, and the top of connecting piece 4 is equipped with socket hole 41, and the location of the cylindrical frame above making things convenient for is carrying out the construction in upper hole next, as long as with the bottom correspondence of each stand 2 of upper cylindrical frame insert the socket hole 41 of each connecting piece 4 at lower floor cylindrical frame top can, the location is convenient. Specifically, the bottom of the connecting piece 4 is provided with a sleeve hole 42, the sleeve hole 42 is sleeved on the upright post 2, the middle part of the connecting piece 4 is provided with a bearing block 43, and the bearing block 43 is positioned between the bearing hole 41 and the sleeve hole 42.
In this embodiment, the columns 2 are uniformly spaced apart, and the rings 3 are uniformly spaced apart. The upright post 2 and the circular ring 3 are both steel body structures.
In order to avoid the common problems in the traditional pipe drawing construction, a cylindrical air bag 1 with the diameter of 200mm and the length of 4m is designed and manufactured according to the size of a drain hole and the surface of a bin, rings 3 with the inner diameter of 200mm are distributed at equal intervals of 50cm, and four upright posts 2 with the diameter of 14mm multiplied by 4000mm are welded to manufacture a cylindrical frame outside. This concrete dam wash port pore-forming device has avoided the common problem in the traditional construction of tube drawing, has guaranteed the construction quality of wash port effectively, can reach 100% qualification rate basically, and the construction is simple swift high-efficient, practices thrift a large amount of manual works, has simplified the construction process.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a concrete dam wash port pore-forming device which characterized in that: including cylindrical gasbag (1), three piece at least stand (2) and a plurality of ring (3), each stand (2) circumference interval distribution, and connect through a plurality of ring (3) between each stand (2) and form cylindrical frame, the length direction interval distribution of stand (2) is followed in each ring (3), cylindrical gasbag (1) is worn to locate in each ring (3), the top of cylindrical gasbag (1) has charging connector (11).
2. The concrete dam drain hole forming device of claim 1, wherein: the top end of each upright post (2) is provided with a connecting piece (4), and the top of each connecting piece (4) is provided with a bearing hole (41).
3. The concrete dam drain hole forming device of claim 2, wherein: the bottom of the connecting piece (4) is provided with a sleeving hole (42), and the sleeving hole (42) is sleeved on the upright post (2).
4. The concrete dam drain hole forming device of claim 3, wherein: the middle part of the connecting piece (4) is provided with a bearing block (43), and the bearing block (43) is positioned between the bearing hole (41) and the sleeving hole (42).
5. The concrete dam drain hole forming device according to any one of claims 1 to 4, wherein: the upright posts (2) are uniformly distributed at intervals.
6. The concrete dam drain hole forming device according to any one of claims 1 to 4, wherein: the circular rings (3) are uniformly distributed at intervals.
7. The concrete dam drain hole forming device according to any one of claims 1 to 4, wherein: the upright post (2) and the circular ring (3) are both of steel body structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922151104.3U CN211368574U (en) | 2019-12-04 | 2019-12-04 | Concrete dam drain hole pore-forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922151104.3U CN211368574U (en) | 2019-12-04 | 2019-12-04 | Concrete dam drain hole pore-forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211368574U true CN211368574U (en) | 2020-08-28 |
Family
ID=72172858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922151104.3U Active CN211368574U (en) | 2019-12-04 | 2019-12-04 | Concrete dam drain hole pore-forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211368574U (en) |
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2019
- 2019-12-04 CN CN201922151104.3U patent/CN211368574U/en active Active
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