CN209991053U - Connection structure of honeycomb duct - Google Patents
Connection structure of honeycomb duct Download PDFInfo
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- CN209991053U CN209991053U CN201920805167.3U CN201920805167U CN209991053U CN 209991053 U CN209991053 U CN 209991053U CN 201920805167 U CN201920805167 U CN 201920805167U CN 209991053 U CN209991053 U CN 209991053U
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- connecting plate
- flow guide
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- water stopping
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Abstract
The utility model provides a connection structure of honeycomb duct belongs to building construction field. The connecting structure of the draft tube is used for connecting two flanges of two adjacent draft tubes and comprises a water stopping structure and a connecting plate, wherein the water stopping structure is arranged between the two adjacent flanges in a surrounding manner along a first direction; the shape of the connecting plate is matched with the inner walls of the flow guide pipes, so that the connecting plate is fixedly attached to the inner walls of the two adjacent flow guide pipes; the first direction is a direction perpendicular to the end face of the flange. The utility model provides a connecting structure of a flow guide pipe is provided with a water stop structure and a connecting plate, when the flow guide pipe conveys liquid, the water stop structure and the connecting plate can prevent the gravity of the liquid and the gravity of the flow guide pipe from causing a gap between adjacent flanges, thus preventing the leakage at the flanges; in addition, the connecting plate is arranged to further enhance the bearing capacity of the flow guide pipe, so that some construction building materials can be stacked above the flow guide pipe.
Description
Technical Field
The utility model relates to a civil engineering field, in particular to connection structure of honeycomb duct.
Background
In the process of building construction in a river channel, in order to create dry and effective construction conditions, cofferdams are used for enclosing a foundation pit or a diversion pipe is adopted in the early stage, and river channel water flow bypasses a construction site in a preset mode and is guided to a downstream engineering measure. Construction diversion is a very important engineering measure specific to civil engineering construction in river channels.
As rivers designed by municipal engineering are basically urban rivers and the flow of the river is less, the river is generally guided by culvert pipes. Divide into box culvert water conservancy diversion and steel pipe water conservancy diversion in the pipe culvert water conservancy diversion, be difficult to after the box culvert water conservancy diversion construction is accomplished and leak, nevertheless because be reinforced concrete structure, its dead weight is big and the construction cycle is long, and municipal works generally have clear and definite node requirement. Therefore, steel pipe diversion construction is generally adopted in field construction, and compared with box culvert diversion, the steel pipe diversion has the advantages of small self weight and high construction speed. In the steel pipe water conservancy diversion work progress, need practical ordinary bolt with multisection honeycomb duct through the flange interconnect of the honeycomb duct tip to set up the stagnant water circle of leak protection water between adjacent flange.
However, when the steel pipe is used for diversion, the water leakage at the joint position of the steel pipe, namely the flange position, is serious, and particularly after the diversion steel pipe is suspended, the water leakage problem is more prominent.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connection structure of honeycomb duct to prevent that the joint department of honeycomb duct from leaking water.
In order to achieve the above object, the present invention provides a connecting structure of a flow guide pipe, which is used for connecting two flanges of two adjacent flow guide pipes, and comprises a water stop structure and a connecting plate, wherein the water stop structure is arranged between the two adjacent flanges in a surrounding manner along a first direction;
the shape of the connecting plate is matched with the inner walls of the flow guide pipes, so that the connecting plate is fixedly attached to the inner walls of the two adjacent flow guide pipes;
the first direction is a direction perpendicular to the end face of the flange.
Optionally, the inner wall of each adjacent draft tube is cylindrical, the cylinder comprises a lowest line along the gravity direction, and the connecting plates extend along the lowest line of the cylinder to two sides and are symmetrically arranged relative to the lowest line.
Optionally, the arc length of the connecting plate is 1/3 to 1/2 of the circumference of the cross section of the cylinder.
Optionally, the connecting plate is a steel plate, and the steel plate is welded to the inner walls of the two adjacent flow guide pipes in a welding manner.
Optionally, the thickness of the steel plate is 1 to 3 mm.
Optionally, a first sealing layer is arranged at a gap between the connecting plate and the inner wall of the flow guide pipe and between the connecting plate and the water stopping structure.
Optionally, the first sealing layer is made of a water-blocking epoxy grouting material.
Optionally, the water stopping structure includes a rubber water stopping ring and a second sealing layer, and the second sealing layer is fixed to the inner side and/or the outer side of the rubber water stopping ring.
Optionally, the second sealing layer is made of double-sided foam tape.
Optionally, the stagnant water structure includes 2 or 2 above rubber sealing rings, and the inboard and the outside of each rubber sealing ring all set up the second sealing layer, it is adjacent be provided with the chance water inflation sealing rod between the second sealing layer.
The utility model provides a connection structure of honeycomb duct is provided with water stop structure and connecting plate, when the honeycomb duct carries liquid, water stop structure and connecting plate can prevent the gravity of liquid and the gravity of honeycomb duct from making the gap produce between the adjacent flange, can prevent flange department weeping like this, prevent to leak at the joint of honeycomb duct promptly, can construct in the below of honeycomb duct when the honeycomb duct is unsettled; in addition, the connecting plate is arranged to further enhance the bearing capacity of the flow guide pipe, so that some construction building materials can be stacked above the flow guide pipe.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a connection structure of a flow guide tube along a flow guide direction according to the present invention;
fig. 2 is a schematic view of a section structure of a connection structure of a flow guide pipe along a radial direction of a flange.
[ reference numerals are described below ]:
1-flange, 2-flange, 3-connecting plate, 4-water stop structure and 5-high-strength bolt hole.
Detailed Description
To make the objects, advantages and features of the present invention clearer, the following description will proceed with further details of the connection structure of a flow guide tube according to the present invention with reference to the accompanying drawings. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
The utility model provides a connecting structure of a flow guide pipe, which is used for connecting two flanges of two adjacent flow guide pipes, wherein each end part of each flow guide pipe is provided with one flange; the connecting structure of the draft tube comprises a water stopping structure and a connecting plate, wherein the water stopping structure is arranged between two adjacent flanges in a surrounding manner along a first direction; the shape of the connecting plate is matched with the inner walls of the flow guide pipes, so that the connecting plate is fixedly attached to the inner walls of the two adjacent flow guide pipes; the first direction is a direction perpendicular to the end face of the flange, i.e., a normal direction of the end face of the flange.
The utility model provides a connection structure of honeycomb duct is provided with water stop structure and connecting plate, when the honeycomb duct carries liquid, water stop structure and connecting plate can prevent the gravity of liquid and the gravity of honeycomb duct from making the gap produce between the adjacent flange, can prevent flange department weeping like this, prevent to leak at the joint of honeycomb duct promptly, can construct in the below of honeycomb duct when the honeycomb duct is unsettled; in addition, the connecting plate is arranged to further enhance the bearing capacity of the flow guide pipe, so that some construction building materials can be stacked above the flow guide pipe.
As shown in fig. 1 and fig. 2, for the structural schematic diagram of the connection structure of the draft tube provided by the present invention, 1 water stop structure 4 is provided between the adjacent flange 1 and flange 2; optionally, in order to increase the sealing performance, the water stop ring 4 may include a rubber water stop ring and a second sealing layer, and the second sealing layer is fixed on the inner side and/or the outer side of the rubber water stop ring; optionally, the second sealing layer may be made of sealing materials such as a double-sided foam adhesive tape or a single-sided foam adhesive tape; the connecting plate 3 encircles in the circumferencial direction of honeycomb duct above stagnant water structure 4, and the connecting plate 3 sets up along the inner wall of two adjacent honeycomb ducts promptly.
Optionally, when the inner walls of the adjacent flow guide pipes are circular, the connecting plates 3 extend along the lowest line of the cylinder to two sides of the circular ring and are symmetrically arranged with respect to the lowest line, wherein the lowest line is a straight line formed by points with the shortest distance between the cylinder and the horizontal plane.
Optionally, the arc length of the connecting plate 3 is 1/3 to 1/2 of the inner diameter of the guide pipe, namely 1/3 to 1/2 of the circumference of the cross section of the cylinder, so that the common water leakage prevention requirement is met, and the connecting plate 3 is convenient to disassemble in the subsequent disassembling process so as to be recycled.
Optionally, the adjacent flanges 1 and 2 are connected by high-strength bolts and high-strength bolt holes 5.
Optionally, when the material of honeycomb duct is the steel pipe, 1 millimeter to 3 millimeters thick steel sheet can be chooseed for use to connecting plate 3, and connecting plate 3 can adopt the welded mode to weld in the inner wall of adjacent honeycomb duct. When the welding is finished, a high-pressure pump can be adopted to press a first sealing material into a gap between the connecting plate 3 and the body of the guide plate and the water stopping structure 4 at high pressure, so that a first sealing layer is formed; optionally, the first sealing material may be a sealing material such as a water blocking epoxy grouting material.
Optionally, in order to further increase the effect of leak protection water, a water stopping structure 4 includes 2 or more than 2 rubber seal rings, and the inboard and the outside of each rubber seal ring all set up the second sealing layer, are provided with the chance water inflation sealing rod between the adjacent second sealing layer. The benefits of this arrangement are: when the water plugging epoxy grouting material is pressed in, the water plugging epoxy grouting material can be prevented from leaking out of the flow guide pipe; the sealing performance at the joint is increased in the diversion process.
The utility model provides a pair of a work progress that connection structure of honeycomb duct corresponds includes following step:
the method comprises the following steps: placing the first section of the guide pipe in place;
step two: arranging a rubber water stop ring, a double-sided foam adhesive tape and a water swelling water stop strip in the flange joint position of the diversion steel pipe; wherein, the double-sided foam adhesive tape is stuck on the inner side and the outer side of the rubber water stop ring, and the water-swelling water stop strip is clamped between the adjacent double-sided foam adhesive tapes;
step three: placing the second honeycomb duct in place;
step four: connecting and sealing the front diversion steel pipe and the rear diversion steel pipe by using high-strength bolts;
step five: welding steel plates at the lower semi-circle positions of the two adjacent guide pipes;
step six: pressing water-blocking epoxy grouting material into the gap between the steel plate and the interface by a high-pressure pump;
step seven: and (5) sequentially reciprocating according to the steps to finish the construction of the flow guide pipe.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the claims of the present invention.
Claims (10)
1. A connecting structure of a flow guide pipe is used for connecting two flanges of two adjacent flow guide pipes and is characterized by comprising a water stopping structure and a connecting plate, wherein the water stopping structure is arranged between the two adjacent flanges in a surrounding manner along a first direction;
the shape of the connecting plate is matched with the inner walls of the flow guide pipes, so that the connecting plate is fixedly attached to the inner walls of the two adjacent flow guide pipes;
the first direction is a direction perpendicular to the end face of the flange.
2. The structure of coupling draft tubes according to claim 1, wherein the inner walls of adjacent draft tubes are cylindrical in shape, the cylinder includes a lowermost line in the direction of gravity, and the coupling plates extend bilaterally along the lowermost line of the cylinder and are symmetrically disposed about the lowermost line.
3. The structure of connecting draft tubes according to claim 2, wherein the arc length of the connecting plate is 1/3 to 1/2 of the circumference of the cross section of the cylinder.
4. The structure of connecting draft tubes according to claim 1 or 3, wherein the connecting plate is a steel plate welded to the inner walls of the two adjacent draft tubes by welding.
5. The structure of connecting draft tubes according to claim 4, wherein the thickness of the steel plate is 1 to 3 mm.
6. The structure of connecting a draft tube according to claim 5, wherein a first sealing layer is provided at a gap between the connecting plate and the inner wall of the draft tube and the water stopping structure.
7. The structure of connecting a draft tube according to claim 6, wherein the first sealing layer is made of a water plugging epoxy grouting material.
8. The connection structure of the draft tube according to claim 7, wherein the water stopping structure comprises a rubber water stop ring and a second sealing layer fixed to an inner side and/or an outer side of the rubber water stop ring.
9. The draft tube connecting structure according to claim 8, wherein the second sealing layer is made of double-sided foam tape.
10. The draft tube connecting structure according to claim 9, wherein the water stopping structure comprises 2 or more than 2 rubber water stopping rings, the second sealing layers are disposed on the inner side and the outer side of each rubber water stopping ring, and a water-swelling water stopping strip is disposed between the adjacent second sealing layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805167.3U CN209991053U (en) | 2019-05-30 | 2019-05-30 | Connection structure of honeycomb duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805167.3U CN209991053U (en) | 2019-05-30 | 2019-05-30 | Connection structure of honeycomb duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209991053U true CN209991053U (en) | 2020-01-24 |
Family
ID=69295739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920805167.3U Active CN209991053U (en) | 2019-05-30 | 2019-05-30 | Connection structure of honeycomb duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209991053U (en) |
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2019
- 2019-05-30 CN CN201920805167.3U patent/CN209991053U/en active Active
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