CN109723073B - External dismounting structure for water inlet inner valve of caisson - Google Patents
External dismounting structure for water inlet inner valve of caisson Download PDFInfo
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- CN109723073B CN109723073B CN201910047971.4A CN201910047971A CN109723073B CN 109723073 B CN109723073 B CN 109723073B CN 201910047971 A CN201910047971 A CN 201910047971A CN 109723073 B CN109723073 B CN 109723073B
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- flange
- steel pipe
- caisson
- valve
- layer steel
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 230000009189 diving Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 35
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The invention discloses a caisson water inlet inner-stop valve outer-disassembly structure, which comprises a caisson wall body and an inner-stop valve, wherein a stop valve flange is arranged on the inner-stop valve, and the caisson water inlet structure also comprises a double-layer pipe water inlet component, wherein the double-layer pipe water inlet component comprises an outer flange, an inner-layer steel pipe, an inner flange and an outer-layer steel pipe which are respectively arranged in the caisson wall body; the outer layer steel pipe is sleeved on the outer side of the inner layer steel pipe, the inner layer steel pipe and the outer layer steel pipe are coaxially fixed between the outer flange and the inner flange, connecting bolts are installed on the outer flange and the inner flange, the connecting bolts extend into the inner side of the inner flange from the outer side of the outer flange to be fastened with the valve flange, connecting nuts are installed at the tail ends of the connecting bolts, and the connecting nuts are welded on the valve flange. When dismantling, the diver only needs to dive outside the caisson, does not need to enter the caisson, can completely dismantle the bolts between the double-layer pipe water inlet component and the inner stop valve, realizes the separation of the inner stop valve and the water inlet hole, improves the dismantling efficiency, and avoids the potential safety hazard that the diver often breaks the diving suit in the compartment.
Description
Technical Field
The invention relates to an external disassembly structure of a caisson water inlet internal valve, and belongs to the field of caissons.
Background
The caisson is a wall member commonly used in hydraulic buildings such as wharfs, breakwaters and the like. The large and medium caissons are provided with a plurality of water inlets below the waterline of the caisson for automatic water inlet and sinking during installation, and the inner side of the caisson is provided with a baffle gate in the compartment and the water inlets for controlling the water inlet switch and the flow rate, and the baffle gate is called as an inner baffle gate because the baffle gate is arranged at the inner side of the caisson. The inner stop valve is connected with the water inlet hole through a flange plate by bolts, and the bolts are positioned in the inner side grids of the caisson. The concrete structure of the caisson wall is shown in fig. 1, a water inlet steel pipe 3 is arranged in the caisson wall body 1, a water inlet hole 2 is formed in the water inlet steel pipe 3, a steel pipe flange 4 is arranged at one end of the water inlet steel pipe 3, a stop valve flange 5 is arranged on one side of an inner stop valve 7 inside the caisson wall body 1, the stop valve flange 5 and the steel pipe flange 4 are fastened through a connecting bolt 6, one end of the inner stop valve 7 is a water outlet hole, in addition, a rotary rod tray 8 is arranged at the upper end of the inner stop valve 7, a plurality of rotary rods 9 are welded on the rotary rod tray 8, and adjacent rotary rods 9 are fixed through the rotary rod flange and the rotary rod bolts 10.
In the prior art, when the inner shutters are dismounted, a diver is required to enter the caisson, and bolts are dismounted from the bins one by one to realize the dismounting of a plurality of inner shutters. Because one caisson is provided with a plurality of grids, personnel among the grids cannot pass through, divers need to float upwards, convert the grids and then dive from one grid to the other, and the efficiency is low; in addition, generally leave the short reinforcing bar at the caisson top, often scratch the diving suit when diver changes the bin, have the potential safety hazard.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an external disassembly structure of the inner valve of the caisson, which can realize the separation of the inner valve and the water inlet hole only by submerging outside the caisson without entering the caisson.
In order to achieve the aim, the external disassembly structure of the inner baffle valve of the caisson water inlet adopted by the invention comprises a caisson wall body, and an inner baffle valve positioned on the inner side of the caisson wall body, wherein a baffle flange is arranged on the inner baffle valve, the external disassembly structure also comprises a double-layer pipe water inlet component arranged in the caisson wall body, and the double-layer pipe water inlet component comprises an outer flange, an inner layer steel pipe, an inner flange and an outer layer steel pipe which are respectively arranged in the caisson wall body;
the outer steel pipe is sleeved on the outer side of the inner steel pipe, the inner steel pipe and the outer steel pipe are coaxially fixed between the outer flange and the inner flange, connecting bolts are installed on the outer flange and the inner flange, the connecting bolts extend into the inner side of the inner flange from the outer side of the outer flange to be fastened with the valve flange, connecting nuts are installed at the tail ends of the connecting bolts, and the connecting nuts are welded on the valve flange.
As an improvement, the shutter flange is welded on the inner shutter.
As an improvement, one side of the inner stop valve is provided with a water outlet, the upper end of the inner stop valve is provided with a rotary rod tray, a plurality of rotary rods are arranged on the rotary rod tray, and adjacent rotary rods are fixed through rotary rod flanges and rotary rod bolts.
As an improvement, the inner layer steel pipe and the outer layer steel pipe are respectively welded between the outer flange and the inner flange.
As an improvement, a plurality of bolt holes which correspond to each other are regularly arranged on the outer flange, the inner flange and the shutter flange.
As improvement, the pipe diameter of the outer layer steel pipe is larger than that of the inner layer steel pipe, and the difference value of the pipe diameters of the outer layer steel pipe and the inner layer steel pipe is larger than that of the connecting bolt.
As an improvement, a water-stopping rubber pad is arranged between the connecting bolt and the outer flange.
Compared with the prior art, the double-layer pipe water inlet component is pre-buried in caisson wall concrete, when the caisson is installed, the connecting bolt penetrates through the bolt hole reserved on the outer flange, penetrates through a gap between the inner steel pipe and the outer steel pipe, penetrates out of the bolt hole reserved on the inner flange, is connected with the valve flange, and is tightly matched and screwed through the connecting nut, and then the connecting nut and the valve flange are spot-welded together.
When the double-layer pipe water inlet component is detached, a diver only needs to dive outside the caisson, does not need to enter the caisson, and can completely detach the bolts between the double-layer pipe water inlet component and the inner valve by unscrewing the connecting bolts, so that the inner valve and the water inlet hole are separated. The structure improves the dismantling efficiency and avoids the potential safety hazard that divers often scratch the diving suit in the compartment.
Drawings
FIG. 1 is a schematic view of a conventional inner stop;
FIG. 2 is a schematic view of an outer construction of an inner stop according to the present invention;
FIG. 3 is a side view of a double-layered pipe water inlet member of the present invention;
in the figure: 1. the caisson wall body, 2, the inlet opening, 3, the steel pipe that intakes, 4, steel pipe flange, 5, the shutter flange, 6, connecting bolt, 7, interior shutter, 8, the swivel stack tray, 9, the swivel stack, 10, swivel bolt, 11, the water stop rubber pad, 12, outer flange, 13, inlayer steel pipe, 14, interior flange, 15, outer steel pipe, 16, coupling nut, 17, bolt hole.
Detailed Description
The present invention will be described in further detail below in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in this description of the invention are for the purpose of describing particular embodiments only and are not intended to be limiting of the invention.
As shown in fig. 2 and 3, the caisson water inlet inner-stop outer-dismantling structure comprises a caisson wall body 1, an inner-stop valve 7 positioned on the inner side of the caisson wall body 1, a stop flange 5 arranged on the inner-stop valve 7, and a double-layer pipe water inlet component arranged in the caisson wall body 1, wherein the double-layer pipe water inlet component comprises an outer flange 12, an inner-layer steel pipe 13, an inner flange 14 and an outer-layer steel pipe 15 which are respectively arranged in the caisson wall body 1;
the outer layer steel pipe 15 is sleeved on the outer side of the inner layer steel pipe 13, the inner layer steel pipe 13 and the outer layer steel pipe 15 are coaxially fixed between the outer flange 12 and the inner flange 14, the connecting bolts 6 are installed on the outer flange 12 and the inner flange 14, the connecting bolts 6 extend into the inner side of the inner flange 14 from the outer side of the outer flange 12 to be fastened with the valve flange 5, the connecting nuts 16 are installed at the tail ends of the connecting bolts 6, and the connecting nuts 16 are welded on the valve flange 5.
As an improvement of the embodiment, the shutter flange 5 is welded on the inner shutter 7, and the structure stability is good.
As an improvement of the embodiment, a water outlet hole is arranged on one side of the inner stop valve 7, a rotary rod tray 8 is arranged at the upper end of the inner stop valve 7, a plurality of rotary rods 9 are arranged on the rotary rod tray 8, and adjacent rotary rods 9 are fixed through rotary rod flanges and rotary rod bolts 10.
As an improvement of the embodiment, the inner layer steel pipe 13 and the outer layer steel pipe 15 are respectively welded between the outer flange 12 and the inner flange 14, so that the structural stability is good, and the normal use performance is effectively ensured. The inner layer steel pipe 13 is internally provided with a water inlet hole 2.
As an improvement of the embodiment, the outer flange 12, the inner flange 14 and the shutter flange 5 are all regularly provided with a plurality of (e.g. six, eight, etc.) bolt holes 17 corresponding to each other, so that the connection bolts 6 can be effectively ensured to pass through the outer flange 12, the inner flange 14 and the shutter flange 5 in sequence and then fastened, and the assembly and the disassembly are convenient. In addition, during installation, the outer flange 12 and the inner flange 14 are controlled to be installed in the caisson wall body 1, and the distance between the outer flange 12 and the inner flange 14 is ensured to be matched with the wall thickness of the caisson wall body 1.
As an improvement of the embodiment, the pipe diameter of the outer layer steel pipe 15 is larger than that of the inner layer steel pipe 13, and the difference value of the pipe diameters is larger than that of the screw rod in the connecting bolt 6. By reserving a certain gap between the outer layer steel pipe 15 and the inner layer steel pipe 13, the connecting bolts 6 can be ensured to effectively fix the outer flange 12, the inner flange 14 and the valve flange 5 together.
As an improvement of the embodiment, a water-stopping rubber pad 11 is arranged between the connecting bolt 6 and the outer flange 12, so that water is prevented from entering between the inner layer steel pipe 13 and the outer layer steel pipe 15, and the water inlet performance is prevented from being influenced.
When the caisson is prefabricated, the double-layer pipe water inlet component is pre-buried in the concrete of the wall of the caisson, and when the caisson is installed, the connecting bolt 6 penetrates through the bolt hole 17 reserved on the outer flange 12, penetrates through the interlayer between the inner layer steel pipe 13 and the outer layer steel pipe 15, penetrates out of the bolt hole 17 reserved on the inner flange 14, is connected with the valve flange 5, and is matched and screwed by the connecting nut 16, and then the connecting nut 16 and the valve flange 5 are spot-welded together.
When the double-layer pipe water inlet component is detached, a diver only needs to dive outside the caisson, does not need to enter the caisson, and can completely detach the bolts between the double-layer pipe water inlet component and the inner valve by unscrewing the connecting bolts, so that the inner valve and the water inlet hole are separated. The structure improves the dismantling efficiency and avoids the potential safety hazard that divers often scratch the diving suit in the compartment.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The caisson water inlet inner stop valve outer disassembly structure comprises a caisson wall body (1) and an inner stop valve (7) positioned on the inner side of the caisson wall body (1), wherein a stop valve flange (5) is arranged on the inner stop valve (7);
the outer layer steel pipe (15) is sleeved on the outer side of the inner layer steel pipe (13), the inner layer steel pipe (13) and the outer layer steel pipe (15) are coaxially fixed between the outer flange (12) and the inner flange (14), connecting bolts (6) are arranged on the outer flange (12) and the inner flange (14), the connecting bolts (6) extend into the inner side of the inner flange (14) from the outer side of the outer flange (12) to be fastened with the valve flange (5), connecting nuts (16) are arranged at the tail ends of the connecting bolts (6), and the connecting nuts (16) are welded on the valve flange (5);
the outer flange (12), the inner flange (14) and the stop valve flange (5) are all regularly provided with a plurality of bolt holes (17) which correspond to each other, the pipe diameter of the outer layer steel pipe (15) is larger than that of the inner layer steel pipe (13), the difference value of the pipe diameters of the outer layer steel pipe and the inner layer steel pipe is larger than that of the connecting bolt (6), and a water-stopping rubber pad (11) is arranged between the connecting bolt (6) and the outer flange (12).
2. The external dismantling structure of the inner valve of the caisson inflow water according to claim 1, wherein the valve flange (5) is welded on the inner valve (7).
3. The external dismantling structure of the inner water inlet valve of the caisson according to claim 2, wherein a water outlet hole is formed in one side of the inner valve (7), a rotary rod tray (8) is installed at the upper end of the inner valve (7), a plurality of rotary rods (9) are installed on the rotary rod tray (8), and adjacent rotary rods (9) are fixed through rotary rod flanges and rotary rod bolts (10).
4. The external dismantling structure of the caisson water inlet internal valve according to claim 1, wherein the inner layer steel pipe (13) and the outer layer steel pipe (15) are welded between the outer flange (12) and the inner flange (14) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047971.4A CN109723073B (en) | 2019-01-18 | 2019-01-18 | External dismounting structure for water inlet inner valve of caisson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047971.4A CN109723073B (en) | 2019-01-18 | 2019-01-18 | External dismounting structure for water inlet inner valve of caisson |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723073A CN109723073A (en) | 2019-05-07 |
| CN109723073B true CN109723073B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910047971.4A Active CN109723073B (en) | 2019-01-18 | 2019-01-18 | External dismounting structure for water inlet inner valve of caisson |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5400735A (en) * | 1992-08-18 | 1995-03-28 | Yamin; Antonio A. C. | Modular caisson for underwater tasks |
| KR200315974Y1 (en) * | 2003-03-18 | 2003-06-11 | 김종수 | Caisson for Maintenance of Under- Water Structure |
| KR20110136321A (en) * | 2010-06-14 | 2011-12-21 | (주) 선암기술연구소 | Under water structure building and maintenance and reinforce method using water tightened caisson |
| CN104775445A (en) * | 2015-03-19 | 2015-07-15 | 福建省建研勘察设计院 | Hanging-type caisson device |
| CN108867684A (en) * | 2018-07-18 | 2018-11-23 | 上海勘测设计研究院有限公司 | Offshore wind turbine gravity caisson basis and its installation method |
| CN209741888U (en) * | 2019-10-23 | 2019-12-06 | 中交第一航务工程局有限公司 | Caisson intaking cuts a structure of tearing open outward in door |
-
2019
- 2019-01-18 CN CN201910047971.4A patent/CN109723073B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5400735A (en) * | 1992-08-18 | 1995-03-28 | Yamin; Antonio A. C. | Modular caisson for underwater tasks |
| KR200315974Y1 (en) * | 2003-03-18 | 2003-06-11 | 김종수 | Caisson for Maintenance of Under- Water Structure |
| KR20110136321A (en) * | 2010-06-14 | 2011-12-21 | (주) 선암기술연구소 | Under water structure building and maintenance and reinforce method using water tightened caisson |
| CN104775445A (en) * | 2015-03-19 | 2015-07-15 | 福建省建研勘察设计院 | Hanging-type caisson device |
| CN108867684A (en) * | 2018-07-18 | 2018-11-23 | 上海勘测设计研究院有限公司 | Offshore wind turbine gravity caisson basis and its installation method |
| CN209741888U (en) * | 2019-10-23 | 2019-12-06 | 中交第一航务工程局有限公司 | Caisson intaking cuts a structure of tearing open outward in door |
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| CN109723073A (en) | 2019-05-07 |
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