CN215211166U - Waterproof sealing cover plate structure for underwater access hole - Google Patents
Waterproof sealing cover plate structure for underwater access hole Download PDFInfo
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- CN215211166U CN215211166U CN202120017640.9U CN202120017640U CN215211166U CN 215211166 U CN215211166 U CN 215211166U CN 202120017640 U CN202120017640 U CN 202120017640U CN 215211166 U CN215211166 U CN 215211166U
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- sealing cover
- concrete
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Abstract
The utility model discloses a waterproof sealing cover plate structure of an underwater manhole, which comprises a channel steel embedded in a concrete beam at the periphery of the manhole, wherein a waterproof cover plate buckled with a channel steel platform opening is covered on the manhole, an accommodating chamber is formed between the edge of the waterproof cover plate and the channel steel platform opening in a surrounding manner, and the waterproof cover plate is tightly connected with the channel steel after penetrating through the accommodating chamber through a fastener; and a waterproof concrete cover plate covers the waterproof cover plate, so that the whole cover plate structure forms a waterproof sealing system. Compared with the traditional sealing cover plate, the sealing cover plate is simple in structure, convenient to construct and good in durability, and overcomes the defects that a common sealing cover plate needs frequent maintenance and cannot bear water flow force and pulsating pressure generated by flushing of flood. Meanwhile, the sealing cover plate is of a concrete section steel structure, concrete provides protection for the section steel, the section steel provides support for the concrete, the resistance effect of the combined structure of the section steel and the section steel is good, the safety is high, and the sealing cover plate can be buried underwater for a long time.
Description
Technical Field
The utility model relates to a water conservancy water and electricity technical field, concretely relates to manhole waterproof sealing cover plate structure under water.
Background
The hydraulic engineering is to merge surrounding natural landscapes and hide a building underwater. The gate generally adopts a bottom shaft to drive the turnover door, but is limited by structural stress and the capacity of opening and closing equipment, and the width of the gate is generally controlled to be about one hundred meters. If the river surface is wide (exceeds the length of the gate), a porous gate needs to be arranged, so that a gate pier (the top elevation is lower than the operating water level) needs to be arranged in the river channel, an opening and closing machine chamber is arranged in the gate pier, and opening and closing equipment is arranged in the opening and closing machine chamber. The hydraulic oil cylinder of the starting and stopping device is large in size and cannot be replaced through the water gate internal overhaul gallery, a waterproof sealing cover plate needs to be arranged at the top of the gate pier, and the hydraulic oil cylinder can be lifted out of the overhaul hole when needing to be replaced. The conventional sealing cover plate or sealing door has a small structure size and cannot meet the sealing requirement of an opening of about ten meters; the service hole is low in starting frequency, which is often more than ten years, the water stop of a conventional sealing cover plate or sealing door is easy to lose efficacy, a steel cover plate is easy to corrode, and the steel cover plate needs to be replaced and maintained frequently; meanwhile, floodgates need flood every year, the flow rate of flood is high, and higher requirements are provided for the conventional access doors to bear pulsating pressure and impact force. The underwater sealing cover plate can ensure the structure safety, the sealing is effective for a long time, and the maintenance of the cover plate is avoided, which becomes a big difficulty in the design.
Based on the above situation, the utility model provides an inspection hole waterproof sealing cover plate structure under water can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
To prior art's shortcoming, combine the design experience of the engineering built at home and abroad, the utility model provides a waterproof sealing cover plate structure of manhole under water mainly is applicable to water conservancy, water and electricity, civil engineering technical field.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a waterproof sealing cover plate structure for an underwater manhole comprises a channel steel embedded in a concrete beam on the periphery of the manhole, wherein a waterproof cover plate buckled with a channel steel platform opening is covered on the manhole, an accommodating chamber is formed by surrounding the edge of the waterproof cover plate and the channel steel platform opening, and the waterproof cover plate is fixedly connected with the channel steel after penetrating through the accommodating chamber through a fastener; and a waterproof concrete cover plate covers the waterproof cover plate, so that the whole cover plate structure forms a waterproof sealing system.
As a preferred technical scheme of the utility model, the sealed stagnant water of twice O type has been arranged to the indoor circumference of holding, is located respectively the left and right sides of fastener.
As a preferred technical scheme of the utility model, the corners of the two O-shaped sealing water stops are all clamped with a partition plate; the partition board is in a quarter arc shape and is welded and fixed with the channel steel.
As an optimal technical scheme of the utility model, state between waterproof apron and the concrete beam lateral wall space and waterproof apron all adopts the silicone adhesive bonding to seal with the channel-section steel seam.
As an optimized technical proposal of the utility model, the fastener coat is provided with a plastic cover.
As an optimized technical scheme of the utility model, pack pitch mastic flexible seal in the plastics lid, the plastics lid with the junction of waterproof apron adopts the silicone adhesive bonding to seal.
As a preferred technical scheme of the utility model, the fastener mainly comprises nut and bolt, and the bolt passes waterproof apron, accommodation chamber and channel-section steel earlier in proper order after, and it is fixed that the rethread nut is screwed up its both ends.
As an optimal technical scheme of the utility model, waterproof concrete apron with the release agent has been applied paint with a brush between the waterproof apron.
As an optimized technical scheme of the utility model, waterproof concrete apron is micro-expansion concrete structure.
As an optimized technical scheme of the utility model, waterproof apron is the steel apron, and its cross-section is the U type.
As a preferred technical scheme of the invention, the waterproof cover plate and the fastener are uniformly coated with the release agent on the water-facing side.
As a preferred technical scheme of the invention, the waterproof concrete cover plate is of a disposable structure and is discarded after being overhauled; the channel steel and the waterproof cover plate are of a reusable structure.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
compared with the traditional sealing cover plate, the sealing cover plate is simple in structure, convenient to construct and good in durability, and overcomes the defects that a common sealing cover plate needs frequent maintenance and cannot bear water flow force and pulsating pressure generated by flushing of flood. Meanwhile, the sealing cover plate is of a concrete section steel structure, concrete provides protection for the section steel, the section steel provides support for the concrete, the resistance effect of the combined structure of the section steel and the section steel is good, the safety is high, and the sealing cover plate can be buried underwater for a long time. In addition, compared with the service life of 5-10 years of the traditional sealing cover plate, the service life of the waterproof sealing body system can reach 20 years in principle.
Drawings
Fig. 1 is a schematic view of a typical cross-sectional structure of the present invention;
fig. 2 is a sectional view taken along line a-a in fig. 1.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
As shown in fig. 1 and 2, this embodiment provides a waterproof sealing cover plate structure of manhole under water, and it includes channel-section steel 1, waterproof apron 2, fastener 3 and covers in the waterproof concrete apron 8 of 2 upper surfaces of waterproof apron, wherein, the channel-section steel 1 is fixed with the rethread fastener 3 is screwed up behind the 2 looks locks of waterproof apron.
In this embodiment, channel-section steel 1 is buried in the reinforced concrete roof beam around the manhole, channel-section steel 1 and roof beam reinforcing bar weld into the frame, with short muscle welding position between the roof beam reinforcing bar. The waterproof cover plate 2 is a steel cover plate, the cross section of the waterproof cover plate is U-shaped, the edge of the waterproof cover plate 2 is reversely buckled on the opening of the channel steel 1, and the waterproof cover plate 2 is fixedly connected with the channel steel 1 through a fastener 3.
Further, in order to protect the fastening piece 3 and facilitate disassembly, a plastic cover 4 is sleeved outside the nut of the fastening piece 3, and the plastic cover 4 is filled with asphalt mastic 6 for flexible sealing to play a role in supporting the plastic cover 4.
Further, in order to prevent the seam infiltration, establish rubber stagnant water, for isolated air and external corrosive environment, delay rubber stagnant water ageing the indoor circumference of holding has arranged the sealed stagnant water of twice O type 5, is located respectively the left and right sides of the bolt of fastener 3, just the corner of the sealed stagnant water of twice O type 5 all presss from both sides and is equipped with baffle 10.
Further, in order to strengthen the waterproof leakproofness of whole apron structure, this embodiment will silicone adhesive 7 arranges space, channel-section steel 1 and waterproof apron 2 contact department between plastic closure 4 and waterproof apron 2 and channel-section steel 1 contact department, waterproof apron 2 and the reinforced concrete roof beam respectively.
The surface waterproof concrete cover plate 8 is of a micro-expansion concrete structure, plays a role in protecting the waterproof cover plate 2 below for a long time, and the waterproof cover plate 2 can be used as a pouring template of the waterproof concrete cover plate 8.
The embodiment also provides a construction method of the underwater manhole waterproof sealing cover plate structure, which comprises the following steps:
a. firstly, determining the position of an access hole according to a design drawing, positioning a concrete beam around the access hole, and binding beam steel bars according to design requirements;
b. cutting a channel steel 1 according to the size of the access hole, drilling a bolt hole, removing rust of the channel steel 1, performing anti-corrosion treatment according to design requirements, embedding the channel steel 1 into a beam structure, welding the channel steel 1 into a frame, and welding and positioning the channel steel 1 and a beam steel bar by using a short bar;
c. pouring beam structure concrete, and welding the partition plates at corresponding positions after the design strength is reached; installing two O-shaped sealing water stops 5;
d. manufacturing a waterproof cover plate 2, performing anti-corrosion treatment after rust removal according to design requirements, mounting the waterproof cover plate 2 on a channel steel 1 opening, and pressing and fixing the waterproof cover plate by using a fastener 3; coating asphalt mastic 6 in the plastic cover 4, covering the nut, and bonding and fixing by using silicone adhesive 7; the gap between the waterproof cover plate 2 and the concrete beam is sealed by bonding with silicone adhesive 7.
e. And (3) uniformly coating a release agent 9 on the waterproof cover plate 2 and the water-facing side of the fastener, pouring a waterproof concrete cover plate 8, and plastering and press-polishing the concrete surface.
In addition, the waterproof concrete cover plate 8 can be removed when the access hole is opened, the equipment below can be replaced and overhauled after the waterproof cover plate 2 is opened, the waterproof cover plate 2 is covered in sequence after the waterproof sealing system is replaced, the waterproof concrete cover plate 8 is poured, and sealing is completed.
According to the utility model discloses a description and attached drawing, the field technical staff makes or uses very easily the utility model discloses an inspection hole waterproof sealing cover plate structure under water to can produce the positive effect that the utility model discloses record.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (11)
1. The utility model provides an inspection hole waterproof sealing cover plate structure under water which characterized in that: the maintenance hole is covered with a waterproof cover plate buckled with a channel steel platform opening, an accommodating chamber is formed by surrounding the edge of the waterproof cover plate and the channel steel platform opening, and the waterproof cover plate is fixedly connected with the channel steel after penetrating through the accommodating chamber through a fastener; and a waterproof concrete cover plate covers the waterproof cover plate, so that the whole cover plate structure forms a waterproof sealing system.
2. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: two O-shaped sealing water stops are circumferentially arranged in the accommodating chamber and are respectively positioned on the left side and the right side of the fastening piece.
3. The underwater manhole waterproof sealing cover plate structure of claim 2, wherein: the corners of the two O-shaped sealing water stops are respectively provided with a partition plate in a clamping way; the partition plate is in a quarter-arc shape and is welded and fixed with the channel steel of claim 1.
4. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: and a gap between the waterproof cover plate and the side wall of the concrete beam and a joint between the waterproof cover plate and the channel steel are sealed by adopting silicone adhesive.
5. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: and a plastic cover is sleeved outside the fastener.
6. The underwater manhole waterproof sealing cover plate structure of claim 5, wherein: the plastic cover is filled with asphalt mastic for flexible sealing, and a joint between the plastic cover and the waterproof cover plate is sealed by silicone adhesive.
7. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: the fastener mainly comprises nut and bolt, and the bolt passes waterproof apron, accommodation chamber and channel-section steel earlier in proper order after, and it is fixed with its both ends tightening through the nut.
8. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: the waterproof concrete cover plate is of a micro-expansion concrete structure.
9. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: the waterproof cover plate is a steel cover plate, and the cross section of the waterproof cover plate is U-shaped.
10. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: and the water-proof cover plate and the fastener are uniformly coated with a release agent on the water-facing side.
11. The underwater manhole waterproof sealing cover plate structure of claim 1, wherein: the waterproof concrete cover plate is of a disposable structure and is discarded after being overhauled; the channel steel and the waterproof cover plate are of a reusable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017640.9U CN215211166U (en) | 2021-01-05 | 2021-01-05 | Waterproof sealing cover plate structure for underwater access hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017640.9U CN215211166U (en) | 2021-01-05 | 2021-01-05 | Waterproof sealing cover plate structure for underwater access hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215211166U true CN215211166U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120017640.9U Active CN215211166U (en) | 2021-01-05 | 2021-01-05 | Waterproof sealing cover plate structure for underwater access hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215211166U (en) |
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2021
- 2021-01-05 CN CN202120017640.9U patent/CN215211166U/en active Active
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