CN220013435U - Prefabricated concrete door frame structure for lower opening weir - Google Patents
Prefabricated concrete door frame structure for lower opening weir Download PDFInfo
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- CN220013435U CN220013435U CN202321705686.5U CN202321705686U CN220013435U CN 220013435 U CN220013435 U CN 220013435U CN 202321705686 U CN202321705686 U CN 202321705686U CN 220013435 U CN220013435 U CN 220013435U
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- door frame
- plate
- box culvert
- lower opening
- weir
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- 239000004567 concrete Substances 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 10
- 239000010865 sewage Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model relates to a prefabricated concrete door frame structure for a lower open weir, which comprises a door frame, wherein a lower open weir gate is arranged in the door frame, box culverts are arranged on two sides of the door frame, a manhole cover plate is arranged at the top of the lower open weir gate, a mounting and fixing piece is arranged at the outer side of the bottom of the door frame, the door frame comprises a door frame concrete body, door frame connecting steel bars are arranged in the door frame concrete body, door frame embedded bolts are arranged in the door frame concrete body, diagonal bracing embedded pieces are arranged on two sides of the door frame concrete body.
Description
Technical Field
The utility model relates to the technical field of lower weir opening construction, in particular to a prefabricated concrete door frame structure for lower weir opening.
Background
The downward opening type weir gate is the current interception, regulation and backflow prevention equipment widely applied to an end intercepting well and an end discharge opening in a confluence pipe network, and the rainwater and sewage diversion can be realized by controlling the opening and closing of the downward opening type weir gate in the process flow. In dry seasons, only sewage is in the flow combining pipe, the lower opening weir gate is closed, the sewage is intercepted, and the sewage flows to a sewage treatment plant for treatment through the sewage pipe. In rainy season, the initial rainwater and the sewage in the pipe are intercepted and then discharged into the sewage pipe, and the rainwater in the middle and later stages is discharged into the downstream through the opened lower open weir gate.
The existing lower opening weir metal door frame scheme is that a door frame panel and a bracket are made of carbon steel or stainless steel materials, all parts are connected by bolts or welded to form a lower opening weir door frame, and the following defects are produced through the scheme: the metal material is easy to corrode under the underwater working condition, so that the strength and rigidity of the whole structure are continuously reduced, the bearing capacity and the safety performance of the structure are affected, and if the metal material is made of stainless steel materials, the whole cost is high; the thickness of the metal panel is not large, and deformation is easy to generate under the action of a water head, so that the water stopping effect of the sealing piece is affected.
The lower weir opening door frame is cast by adopting a cast-in-place concrete process, the cast-in-place door frame is cast in situ, the field workload is large, the construction period is long, and each procedure is carried out on site, so that the on-site environment protection is not facilitated.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a prefabricated concrete door frame structure for a down weir.
The utility model is realized by the following technical scheme:
the utility model provides a down open prefabricated assembled concrete door frame structure for weir, includes the door frame, the inside open weir door that is provided with down of door frame, the door frame both sides are provided with the box culvert, open weir door top down and be provided with the manhole apron, door frame bottom outside is provided with installs fixed usefulness piece, the door frame includes door frame concrete body, door frame concrete body inside is provided with the door frame connecting rod, door frame concrete body inside is provided with the door frame pre-buried bolt, door frame concrete body both sides are provided with the built-in fitting for the bracing, door frame concrete body both sides bottom is provided with the pre-buried bolt for the bottom mounting, the door frame connecting rod includes door frame side wall connecting rod, door frame bottom plate connecting rod, door frame body reinforcing rod and door frame angle bead reinforcing rod, open weir door down including the joint in the inside lower weir door plant that opens of door frame, open weir door plant both sides are provided with sealing rubber down, sealing rubber top is provided with the rubber clamp plate, open the hydraulic means is installed at lower weir door plant top, open door plant installs the hydraulic means outside the door plant bottom mounting panel down.
In a preferred embodiment of the utility model, the box culvert comprises a box culvert top plate, a box culvert side wall, a box culvert bottom plate and a weir gate groove, wherein box culvert side wall connecting steel bars are arranged on the inner side of the box culvert, and box culvert bottom plate connecting steel bars are arranged at the bottom of the inner side of the box culvert;
the box culvert is manufactured in advance through the plate, and direct pouring is facilitated.
In a preferred embodiment of the present utility model, the installation fixing member includes a bottom fixing member and an inclined strut fixing member, one end of the inclined strut fixing member is connected with the embedded member for inclined strut, the other end is connected with the inner side of the bottom plate of the box culvert, and the bottom fixing member is installed on the surface of the embedded bolt for bottom fixing member;
the mounting and fixing piece can ensure the effective connection of the box culvert and the door frame, thereby facilitating the preliminary fixation of the box culvert and the later pouring work.
In a preferred embodiment of the utility model, the water stop rubber and the water stop rubber pressing plate are sleeved on the surface of the embedded bolt of the door frame, and the end part of the water stop rubber is tightly contacted with the outer side of the lower opening weir gate plate.
A construction method of a prefabricated concrete door frame structure for a down weir comprises the following steps:
s1, manufacturing a prefabricated assembled concrete door frame in a factory, curing and checking, and then transporting to the site for stacking.
S2, constructing the box culvert main body to a secondary pouring belt, pouring a bottom weir gate groove and a bottom plate cast-in-situ layer, and reserving connecting steel bars and pre-buried bolts on the bottom plate.
S3, after the concrete strength of the box culvert main body meets the requirement, hoisting the door frame to a reserved part, connecting the embedded fixing piece at the bottom of the door frame with the embedded bolt of the on-site bottom plate, and temporarily supporting and fixing the door frame through the metal diagonal bracing fixing piece.
S4, pouring post-pouring concrete, removing the temporary support after curing, installing water stop rubber, a water stop rubber pressing plate, a weir gate guide rail, a hydraulic device mounting plate, a hydraulic device and a lower opening weir gate, and finally hoisting a top manhole cover plate.
Preferably, the embedded bolts of the door frame, the embedded parts for the diagonal braces and the embedded bolts for the bottom fixing parts are all embedded in the main body in advance in the door frame manufacturing stage.
Preferably, the water stop rubber pressing plate, the weir gate guide rail and the hydraulic device mounting plate are connected and fixed through the embedded bolts and the door frame in a bolt connection mode.
The beneficial effects of the utility model are as follows:
compared with a technical door frame, the prefabricated concrete door frame structure for the lower opening weir has the advantages that the durability and the corrosion resistance of the concrete structure are good, the reliability of the integral structure is improved, the integral type wet connection method is adopted with a box culvert main body, the connection is reliable, the integral rigidity is high, the deformation is small, the cost of concrete is lower than that of metal materials, and the concrete door frame structure is economical and applicable.
Compared with a cast-in-place concrete door frame, most of the work of the precast concrete structure is transferred to a factory, so that a large amount of on-site wet operation is avoided, on-site environmental pollution and noise pollution are reduced, the processing period of the steel bars and the engineering construction period can be shortened, the delivery time and the construction period progress are ensured, automatic processing equipment can be adopted for manufacturing production, the labor productivity is improved, on-site management is facilitated, and the traditional construction processes such as on-site processing and on-site binding are omitted for enterprises.
Drawings
FIG. 1 is a schematic perspective view of a prefabricated concrete door frame structure for a down weir of the present utility model;
FIG. 2 is a schematic diagram of the front view of the prefabricated concrete door frame structure for the down weir of the present utility model;
FIG. 3 is a schematic top view of a prefabricated concrete door frame structure for a down weir of the present utility model;
FIG. 4 is a schematic view of the reinforcement cage of the prefabricated concrete door frame structure for a down weir of the present utility model;
FIG. 5 is a schematic view of a door frame installation structure of a prefabricated concrete door frame structure for a down weir of the present utility model
FIG. 6 is a schematic view of the construction end product of the prefabricated concrete door frame structure for weir opening in the present utility model
Fig. 7 is a schematic view of a vertical sectional structure of a construction finished product of the prefabricated concrete door frame structure for the down weir of the present utility model.
In the figure: 1. box culvert; 11. a box culvert top plate; 12. box culvert side walls; 13. a box culvert bottom plate; 14. a slice gate groove; 15. connecting the box culvert side wall with a reinforcing steel bar; 16. the bottom plate of the box culvert is connected with reinforcing steel bars; 2. a door frame; 21. a door frame concrete body; 22. the door frame is connected with the reinforcing steel bars; 221. the side wall of the door frame is connected with reinforcing steel bars; 222. the bottom plate of the door frame is connected with reinforcing steel bars; 223. a door frame main body reinforcing steel bar; 224. angle bead steel bars of the door frame; 23. embedding bolts in a door frame; 24. an embedded part for diagonal bracing; 25. the bottom fixing piece is provided with a pre-buried bolt; 3. opening a weir gate downwards; 31. a lower weir door plate; 32. a water-stop rubber; 33. a water stop rubber pressing plate; 34. a hydraulic device; 35. a slice gate rail; 36. a hydraulic device mounting plate; 4. a manhole cover plate; 5. installing a fixing piece; 51. a bottom fixing member; 52. and a diagonal bracing fixing piece.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. The directional terms referred to in the present utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the utility model and is not limiting of the utility model.
The utility model provides a down open prefabricated assembled concrete door frame structure for weir as shown in fig. 1-7, including door frame 2, door frame 2 inside is provided with down open weir door 3, door frame 2 both sides are provided with box culvert 1, down open weir door 3 top is provided with manhole apron 4, door frame 2 bottom outside is provided with installs fixed piece 5, door frame 2 includes door frame concrete body 21, door frame concrete body 21 inside is provided with door frame connecting reinforcement 22, door frame concrete body 21 inside is provided with door frame embedded bolt 23, door frame concrete body 21 both sides are provided with bracing built-in fitting 24, door frame concrete body 21 both sides bottom is provided with bottom fixing piece for embedded bolt 25, door frame connecting reinforcement 22 includes door frame side wall connecting reinforcement 221, door frame bottom plate connecting reinforcement 222, door frame body reinforcement 223 and door frame corner bead reinforcing bar 224, down open weir door 3 includes the lower open door board 31 of joint in door frame 2 inside, lower open door board 31 both sides are provided with water stop rubber 32, water stop rubber clamp plate 33 is provided with water stop rubber clamp plate 33, lower open door board 31 top installs hydraulic means 34, lower open door board 31 top is provided with bottom fixing means 25, install hydraulic means 36, install hydraulic means 35 is located in the bottom mounting panel 35.
Specifically, box culvert 1 includes box culvert roof 11, box culvert side wall 12, box culvert bottom plate 13 and weir door recess 14, box culvert 1 inboard is provided with box culvert side wall connecting bar 15, box culvert 1 inboard bottom is provided with box culvert bottom plate connecting bar 16, install fixed piece 5 includes bottom mounting 51 and bracing mounting 52, bracing mounting 52 one end is connected with embedded part 24 for the bracing, the other end is connected with box culvert bottom plate 13 bottom inboard, bottom mounting 51 installs in bottom mounting with embedded bolt 25 surface, sealing rubber 32 and sealing rubber clamp plate 33 cover are located door frame embedded bolt 23 surface, sealing rubber 32 tip and the outside in close contact of lower opening weir door plate 31.
The construction method of the prefabricated assembled concrete door frame structure comprises the steps of manufacturing a prefabricated assembled concrete door frame 2 in a factory, transporting to a site for stacking after curing and checking to be qualified, constructing a main body of a box culvert 1 to a secondary pouring belt, pouring a bottom weir gate groove 14 and a cast-in-situ layer of a bottom plate, reserving connecting steel bars and pre-buried bolts on the bottom plate, hoisting the door frame 2 to a reserved position after the strength of the main body of the box culvert 1 meets the requirements, connecting a pre-buried fixing piece at the bottom of the door frame 2 with the pre-buried bolts of the bottom plate on the site, temporarily supporting and fixing the door frame 2 through a metal diagonal bracing fixing piece 52, pouring post-pouring concrete, removing the temporary support after curing is finished, installing a water stop rubber 32, a water stop rubber pressing plate 33, a weir gate guide rail 35, a hydraulic device mounting plate 36, a hydraulic device 34 and a lower opening weir gate 3, and finally hoisting a top manhole cover plate 4.
The door frame embedded bolts 23, the embedded parts 24 for the diagonal bracing and the embedded bolts 25 for the bottom fixing parts are embedded in the main body in advance in the manufacturing stage of the door frame 2, and the water stop rubber 32, the water stop rubber pressing plate 33, the weir gate guide rail 35 and the hydraulic device mounting plate 36 are connected and fixed with the door frame 2 in a bolt connection mode through the embedded bolts.
In this embodiment, the manufacturing enterprise firstly manufactures the door frame 2 in the unit, hoops the door frame side wall connecting steel bar 221, the door frame bottom plate connecting steel bar 222, the door frame main body steel bar 223 and the door frame corner protection steel bar 224, and pours the door frame 2 into a finished product, the surface of the door frame concrete main body 21 of the door frame 2 is provided with the door frame embedded bolt 23, the embedded part 24 for the diagonal bracing and the embedded bolt 25 for the bottom fixing part, then prefabricates the box culvert 1, pours the box culvert 1 into the secondary pouring belt, pours the bottom weir gate groove 14 and the bottom plate cast-in-place layer, needs to reserve the connecting steel bar and the embedded bolt on the bottom plate in the pouring process, and can be sent to the site for use after the prefabrication concrete of the box culvert 1 is completely solidified.
Further, the box culvert 1 and the door frame 2 which are sent to the site are assembled, at this time, the bottom fixing piece 51 which is mainly installed on the surface of the embedded bolt 25 for the bottom fixing piece at the outer side of the bottom of the door frame 2 is effectively connected with the inclined strut fixing piece 52 which is installed on the inner side of the box culvert bottom plate 13 and the surface of the embedded part 24 for inclined struts, so that casting work is convenient, the two prefabricated products can be quickly connected only by casting once after arriving at the site, casting quantity is small, solidification is easy, construction period is reduced, use is convenient, when the door frame 2 is completely connected with the precast blocks in the box culvert 1, the lower opening weir gate 3 is installed, and the water stopping rubber 32 is installed through the water stopping rubber pressing plate 33, so that the water stopping rubber 32 is in close contact with the outer side of the lower opening weir gate plate 31, the effective waterproof effect is achieved, and finally the top manhole cover plate 4 is installed.
It should be noted that, the present utility model is not related to the part that is the same as or can be implemented by the prior art; the driving of the utility model can be realized by adopting a cylinder, an oil cylinder, an electric cylinder, a motor and other power structures, a connecting rod, a guide rod and the like, and is not limited to the structures in the description and the drawings.
In describing embodiments of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "configured," and "provided" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and 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 (4)
1. The utility model provides a down open prefabricated assembled concrete door frame structure for weir, includes door frame (2), its characterized in that: the novel water tank is characterized in that a lower opening weir gate (3) is arranged in the door frame (2), box culverts (1) are arranged on two sides of the door frame (2), a manhole cover plate (4) is arranged at the top of the lower opening weir gate (3), and a mounting and fixing piece (5) is arranged on the outer side of the bottom of the door frame (2);
the door frame (2) comprises a door frame concrete main body (21), door frame connecting steel bars (22) are arranged in the door frame concrete main body (21), door frame embedded bolts (23) are arranged in the door frame concrete main body (21), embedded parts (24) for inclined struts are arranged on two sides of the door frame concrete main body (21), and embedded bolts (25) for bottom fixing parts are arranged at the bottoms of two sides of the door frame concrete main body (21);
the door frame connecting steel bars (22) comprise door frame side wall connecting steel bars (221), door frame bottom plate connecting steel bars (222), door frame main body steel bars (223) and door frame corner protection steel bars (224);
the lower opening weir gate (3) comprises a lower opening weir gate plate (31) which is clamped inside the doorframe (2), water stop rubber (32) is arranged on two sides of the lower opening weir gate plate (31), a water stop rubber pressing plate (33) is arranged at the top of the water stop rubber (32), a hydraulic device (34) is arranged at the top of the lower opening weir gate plate (31), a hydraulic device mounting plate (36) is arranged at the top of the lower opening weir gate plate (31), the outer side of the lower opening weir gate plate (31) is positioned at the bottom of the hydraulic device mounting plate (36), and a weir gate guide rail (35) is arranged at the bottom of the hydraulic device mounting plate (36).
2. The prefabricated concrete door frame structure for a down weir as claimed in claim 1, wherein: the box culvert (1) comprises a box culvert top plate (11), box culvert side walls (12), a box culvert bottom plate (13) and a weir gate groove (14), wherein box culvert side wall connecting steel bars (15) are arranged on the inner side of the box culvert (1), and box culvert bottom plate connecting steel bars (16) are arranged at the bottom of the inner side of the box culvert (1).
3. The prefabricated concrete door frame structure for a down weir as claimed in claim 1, wherein: the mounting and fixing piece (5) comprises a bottom fixing piece (51) and an inclined support fixing piece (52), one end of the inclined support fixing piece (52) is connected with the embedded part (24) for inclined support, the other end of the inclined support fixing piece is connected with the inner side of the bottom of the box culvert bottom plate (13), and the bottom fixing piece (51) is mounted on the surface of the embedded bolt (25) for the bottom fixing piece.
4. The prefabricated concrete door frame structure for a down weir as claimed in claim 1, wherein: the sealing rubber (32) and the sealing rubber pressing plate (33) are sleeved on the surface of the embedded bolt (23) of the door frame, and the end part of the sealing rubber (32) is tightly contacted with the outer side of the lower opening weir gate plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705686.5U CN220013435U (en) | 2023-07-03 | 2023-07-03 | Prefabricated concrete door frame structure for lower opening weir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705686.5U CN220013435U (en) | 2023-07-03 | 2023-07-03 | Prefabricated concrete door frame structure for lower opening weir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013435U true CN220013435U (en) | 2023-11-14 |
Family
ID=88683090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321705686.5U Active CN220013435U (en) | 2023-07-03 | 2023-07-03 | Prefabricated concrete door frame structure for lower opening weir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013435U (en) |
-
2023
- 2023-07-03 CN CN202321705686.5U patent/CN220013435U/en active Active
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