CN203947558U - The indoor rainwater inspection well of gravity current storm-water system - Google Patents
The indoor rainwater inspection well of gravity current storm-water system Download PDFInfo
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- CN203947558U CN203947558U CN201420158072.4U CN201420158072U CN203947558U CN 203947558 U CN203947558 U CN 203947558U CN 201420158072 U CN201420158072 U CN 201420158072U CN 203947558 U CN203947558 U CN 203947558U
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- pit shaft
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- steel deck
- water system
- steel
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Abstract
The utility model discloses a kind of indoor rainwater inspection well of gravity current storm-water system, it is characterized in that, comprise top pit shaft, bottom pit shaft and manhole base plate, the top of top pit shaft is provided with concrete cover, between top pit shaft and bottom pit shaft, be provided with steel deck-plate, ventilating pipe is communicated with bottom pit shaft by top pit shaft well sidewall, top pit shaft, steel deck-plate successively; Bottom pit shaft is connected with effuser with the inflow pipe of rain pipe.It is a kind of rational in infrastructure, easy for installation that the utility model provides, and effectively exhaust and prevent the manhole device that rainwater is excessive, by setting up vent stack, greatly improve the drainability of rain pipe, meanwhile, by Seal Design, prevent that a small amount of gas from gathering the rainwater causing excessive.
Description
Technical field
The utility model relates to a kind of indoor rainwater inspection well that is applicable to the building surface in big industrial factory building gravity current storm-water system of newly-built or enlarging, belongs to building water supply and sewerage engineering field.
Background technology
In the building surface in big industrial factory building of newly-built or enlarging, cannot adopt siphon storm-water system running into condition restriction, when roofing hanging pipe cannot be installed, gravity current rain pipe need to be by establishing many standpipes, the way of buried-pipe laying solution in building.Because underground pipe is long and amount of rainfall is larger, need to establish rainwater inspection well at standpipe place so that maintenance.But traditional rainwater inspection well design, cannot solve the huge impulse force that in roofing air-water two phase flow mixed process, constantly the gas of accumulation produces in dropping process, that causes is flown, produces the problems such as a large amount of noises, rainwater overflow such as catch basin cover by top, thereby causes unnecessary personnel's injury and property loss.
Summary of the invention
The technical problems to be solved in the utility model is: existing manhole cannot be realized gas-water separation, and causes the gas of constantly accumulating in air water two-phase mixed process in dropping process, to produce huge impulse force, damages.
In order to solve the problems of the technologies described above, the utility model provides a kind of indoor rainwater inspection well of gravity current storm-water system, it is characterized in that, comprise top pit shaft, bottom pit shaft and manhole base plate, the top of top pit shaft is provided with concrete cover, between top pit shaft and bottom pit shaft, be provided with steel deck-plate, ventilating pipe is communicated with bottom pit shaft by top pit shaft well sidewall, top pit shaft, steel deck-plate successively; Bottom pit shaft is connected with effuser with the inflow pipe of rain pipe.
Preferably, the junction of Ji Yu bottom, pit shaft top, described top pit shaft is equipped with for the well lid bearing of concrete cover, steel deck-plate is installed, and concrete cover, steel deck-plate are placed on bearing.
Preferably, in described manhole, the projection of well lid bearing is equipped with angle steel.
Preferably, between described steel deck-plate and angle steel, be provided with rubber seal; Steel deck-plate downside surrounding is provided with the edge of a wing of matching with bottom pit shaft well sidewall.
Preferably, the thickness of described rubber seal is 5mm.
Preferably, the cross section of described manhole is square.
Preferably, described ventilating pipe is connected to form by movable joint successively by three sections of welded steel pipes, and two movable joints are all positioned at top pit shaft.
It is a kind of rational in infrastructure, easy for installation that the utility model provides, and effectively exhaust and prevent the manhole device that rainwater is excessive, by setting up vent stack, greatly improve the drainability of rain pipe, meanwhile, by Seal Design, prevent that a small amount of gas from gathering the rainwater causing excessive.
Compared to prior art, the utlity model has following advantage:
1, steel deck-plate is fixed by bolt and the angle steel being embedded in the pit shaft well sidewall of bottom, airtight at ordinary times, while only having maintenance, opens, and prevents the excessive ground to factory building of rainwater;
2, pre-buried ventilating pipe on steel deck-plate, can accelerate the mass rate of emission of rainwater by the Bas Discharged in airtight bottom pit shaft, prevents that the pressure in rainwater inspection well is excessive simultaneously, and concrete cover top is flown;
3, for ease of pre-buried angle steel, manhole is designed to square, and concrete manhole cover surrounding and top pit shaft well sidewall surrounding arrange angle steel, avoids when heavy-duty machinery is walked, and well lid and wall collisions produce cracking;
4, between steel deck-plate and angle steel, be provided with rubber seal, effectively play the airtight effect of shock insulation, steel deck-plate, angle steel and bolt are all through antiseptic, prevent that rainwater from soaking the corrosion producing;
5, pre-buried welded steel pipe on steel deck-plate and top pit shaft sidewall, forms ventilating pipe after connecting short tube by movable joint, and this ventilating pipe can be pulled down short tube by movable joint when maintenance, has guaranteed the airtight performance of steel deck-plate, the flexibility while simultaneously having guaranteed maintenance.
The utility model adopts easy structure, easy for installation; Adopt the airtight steel deck-plate of reserved ventilating pipe, effectively Exhaust Gas, guarantees rainwater smooth discharge; Prevent that rainwater is excessive in building simultaneously.
Accompanying drawing explanation
The top view of the indoor rainwater inspection well of the gravity current storm-water system that Fig. 1 provides for the utility model;
The sectional view of the front view of the indoor rainwater inspection well of the gravity current storm-water system that Fig. 2 provides for the utility model;
Fig. 3 is the top view of steel deck-plate;
Fig. 4 is the front view of steel deck-plate;
Fig. 5 is the top view of concrete cover;
Fig. 6 is the phantom drawing of the front view of concrete cover;
Fig. 7 is the top view of rubber seal;
Fig. 8 is the partial enlarged drawing of I part in Fig. 2.
The specific embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Embodiment
As shown in Fig. 1-9, the structural representation of the indoor rainwater inspection well of a kind of gravity current storm-water system providing for the utility model, comprises that cross section is square top pit shaft C-1, bottom pit shaft C-2 and manhole base plate C-3.The top of top pit shaft C-1 is provided with the concrete cover 2 of band handle 10, between top pit shaft C-1 and bottom pit shaft C-2, be provided with steel deck-plate 7, the junction of pit shaft C-1 top, top Ji Yu bottom pit shaft C-2 is equipped with for the step of concrete cover 2, steel deck-plate 7 is installed, concrete cover 2, steel deck-plate 7 are placed on step, and between steel deck-plate 7 and step, being provided with thickness is the rubber seal 6 of 5mm; Steel deck-plate 7 downside surroundings are provided with the edge of a wing 13 of matching with bottom pit shaft well sidewall 1-2.On steel deck-plate 7, be provided with equally handle 10, handle 10 is all established fillet weld 12 with junction and the steel deck-plate 7 of steel deck-plate 7 with 13 junctions, the edge of a wing, in order to connect.In manhole, the projection of well lid bearing is equipped with angle steel 5.The fixed form of steel deck-plate 7 as Figure 8-9, in steel deck-plate 7 and rubber seal 6, there is reserved bolt hole 11, first angle steel 5 is arranged on to well lid bearing, then on angle steel 5, place rubber seal 6, cover again steel deck-plate 7, make the edge of a wing 13 be positioned at bottom pit shaft well sidewall 1-2 inner side, finally that bolt 8 is fixing by reserved bolt hole 11.Ventilating pipe 3 enters top pit shaft C-1 through top pit shaft well sidewall 1-1, then through steel deck-plate 7, is communicated with bottom pit shaft C-2, and ventilating pipe 3 is connected to form by movable joint 4 successively by three sections of welded steel pipes 9, and two movable joints 4 are all positioned at top pit shaft C-1.Bottom pit shaft C-2 is connected with effuser with the inflow pipe of rain pipe 14.
As shown in Figure 1, manhole is square, and the peripheral length of side is 1600 millimeters, and concrete cover 2 length of sides are 1380 millimeters, and top pit shaft well sidewall 1-1 thickness is 200 millimeters, and concrete cover 2 place's sidewall thickness are 100 millimeters, and ventilating pipe 3 stretches out from well sidewall.
As shown in Figure 2, manhole base plate C-3, upper pit shaft well sidewall 1-1, well-sinking well sidewall 1-2 employing thickness are the steel concrete of 200 millimeters, inside join reinforcing bar double-layer double-direction φ 12@150; The manhole base plate C-3 length of side is 2000 millimeters, and lower floor is 100 thick C10 plain concrete cushion layer, and the bed course length of side is 2200 millimeters, the following native compaction in layers of bed course, and coefficient of consolidation is not less than 0.95.The bottom pit shaft C-2 length of side is 1000 millimeters, and the height of 14 ends of rain pipe to manhole base plate C-3 is 300 millimeters, and on rain pipe 14, there is minimum altitude requirement on top to the distance of steel deck-plate 7, is not less than 400 millimeters.The place, top of bottom pit shaft C-2 arranges steel deck-plate 7 and is not less than 10 millimeters thick, bottom pit shaft well sidewall 1-2 shelves steel deck-plate 7 place's surroundings and adopts pre-buried angle steel 5 arrangement of reinforcement L100x10, between angle steel 5 and steel deck-plate 7, establish rubber seal 6, steel deck-plate 7 use M16 bolts 8 are fixing with angle steel 5, airtight at ordinary times, only, for maintenance, angle steel 5, bolt 8 and steel deck-plate 7 all need to do preservative treatment.The top pit shaft C-1 inwall length of side is 1200 millimeters, be highly 300 millimeters, on steel deck-plate 7 and top pit shaft well sidewall 1-1, respectively have one section of pre-buried welded steel pipe 9 that is not less than DN80, centre arranges with movable joint 4 joint steel pipes and forms ventilating pipe 3 and be raised to factory building roof to play the effect of exhaust.The thickness that the place, top of top pit shaft C-1 arranges concrete cover 2 is 150mm, joins reinforcing bar double-layer double-direction φ 12@100.The pit shaft well sidewall 1-1 upper place contacting with concrete cover 2 in top is provided with angle steel 5 arrangement of reinforcement L50x5.
Steel deck-plate 7 as shown in Figure 3-4, steel deck-plate 7 length of sides are 1190 millimeters, reserved bolt hole 11 is 8 φ 22, eight bolts hole 11 are evenly reserved in 50 millimeters of places apart from outside, steel deck-plate 7 thickness are not less than 10 millimeters, welded steel pipe 9 pre-buried on plate is not less than DN80, it is 50 millimeters that welded steel pipe 9 is embedded in 7 times degree of depth of steel deck-plate, exposing steel deck-plate 7 Partial Heights is 250 millimeters, on steel deck-plate 7, shake hands 10 to join φ 10 reinforcing bars, handle 7 width are 200 millimeters, are highly 80 millimeters, two handle 7 spacing are 400 millimeters, conveniently lift steel deck-plate 7.Fillet weld 12 is all established in 13 junctions, the edge of a wing of handle 10 and steel deck-plate 7 junctions and steel deck-plate 7 and steel deck-plate, and the edge of a wing 13 of steel deck-plate 7 is highly 100 millimeters, and thickness is 10 millimeters, 100 millimeters apart from steel deck-plate limit, the edge of a wing 13.
Concrete cover 2 is as shown in Fig. 5-6, the length of side of concrete cover 2 is 1380 millimeters, thickness is 150 millimeters, on to have two handles 10 be also to join φ 10 reinforcing bars, 10 width of shaking hands are 200 millimeters, two handle 10 spacing are 800 millimeters, and on concrete cover 2, arrangement of reinforcement is φ 12@100, and four limits of concrete cover 2 are furnished with angle steel 5 arrangement of reinforcement L50x5.
As shown in Figure 7, the peripheral length of side is 1200 millimeters to rubber seal 6, and interior surrounding edge length is 1000 millimeters, and every hem width degree is 100 millimeters, and eight bolts hole 11 are evenly left at center, limit, and adjacent two pitchs of holes are 550 millimeters, and the diameter of bolt hole 11 is 22 millimeters.
On steel deck-plate 7 angle steel 5, bolt 8 junctions as shown in Figure 8, pre-buried angle steel 5 arrangement of reinforcement L100 * 10 in the pit shaft well sidewall 1-2 of bottom, angle steel 5 is connected with concrete by 2 φ 8 200 reinforcing bars.Between angle steel 5 and steel deck-plate 7, establish rubber seal 6, steel deck-plate 7 use M16 bolts 8 are fixing, airtight at ordinary times with angle steel 5, and only, for maintenance, angle steel 5, bolt 8 and steel deck-plate 7 all need to do preservative treatment.Angle steel 5 thickness are 10 millimeters, and rubber seal 6 thickness are 5 millimeters, and steel deck-plate 7 thickness are 10 millimeters, and fillet weld 12 is established in bolt 8 and angle steel 5 junctions, and bolt 8 adopts M16 bolt, is highly 100 millimeters.
The course of work of the present utility model is: during rainfall, rain water on roof is being mingled with air and is draining into this airtight rainwater inspection well from rain leader downspout, and air-water two phase flow mixes in the pit shaft C-2 of bottom, and air is disposed to roofing by ventilating pipe 3, and rainwater discharges by downstream line.Because steel deck-plate 7 and bottom pit shaft well sidewall 1-2 are fixing with bolt 8, when rainwater rolls in pouring manhole, can not return and overflow to top pit shaft C-1.During maintenance, open concrete cover 2, turn on movable joint 4, ventilating pipe 3 is pulled down, turn on the fixedly bolt 8 of steel deck-plate 7 simultaneously, steel deck-plate 7 is opened, just can bottom pit shaft C-2 be cleaned and be overhauled.
Claims (7)
1. the indoor rainwater inspection well of a gravity current storm-water system, it is characterized in that, comprise top pit shaft (C-1), bottom pit shaft (C-2) and manhole base plate (C-3), the top of top pit shaft (C-1) is provided with concrete cover (2), between top pit shaft (C-1) and bottom pit shaft (C-2), be provided with steel deck-plate (7), ventilating pipe (3) is communicated with bottom pit shaft (C-2) by top pit shaft well sidewall (1-1), top pit shaft (C-1), steel deck-plate (7) successively; Bottom pit shaft (C-2) is connected with effuser with the inflow pipe of rain pipe (14).
2. the indoor rainwater inspection well of gravity current storm-water system as claimed in claim 1, it is characterized in that, the junction of described top pit shaft (C-1) Ji Yu bottom, top pit shaft (C-2) is equipped with for the well lid bearing of concrete cover (2), steel deck-plate (7) is installed, and concrete cover (2), steel deck-plate (7) are placed on bearing.
3. the indoor rainwater inspection well of gravity current storm-water system as claimed in claim 2, is characterized in that, in described manhole, the projection of well lid bearing is equipped with angle steel (5).
4. the indoor rainwater inspection well of gravity current storm-water system as claimed in claim 3, is characterized in that, between described steel deck-plate (7) and angle steel (5), is provided with rubber seal (6); Steel deck-plate (7) downside surrounding is provided with the edge of a wing (13) of matching with bottom pit shaft well sidewall (1-2).
5. the indoor rainwater inspection well of gravity current storm-water system as claimed in claim 4, is characterized in that, the thickness of described rubber seal (6) is 5mm.
6. the indoor rainwater inspection well of gravity current storm-water system as claimed in claim 1, is characterized in that, the cross section of described manhole is square.
7. the indoor rainwater inspection well of gravity current storm-water system as claimed in claim 1, it is characterized in that, described ventilating pipe (3) is connected to form by movable joint (4) successively by three sections of welded steel pipes (9), and two movable joints (4) are all positioned at top pit shaft (C-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158072.4U CN203947558U (en) | 2014-04-02 | 2014-04-02 | The indoor rainwater inspection well of gravity current storm-water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158072.4U CN203947558U (en) | 2014-04-02 | 2014-04-02 | The indoor rainwater inspection well of gravity current storm-water system |
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| Publication Number | Publication Date |
|---|---|
| CN203947558U true CN203947558U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420158072.4U Expired - Fee Related CN203947558U (en) | 2014-04-02 | 2014-04-02 | The indoor rainwater inspection well of gravity current storm-water system |
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| CN (1) | CN203947558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989159A (en) * | 2017-11-28 | 2018-05-04 | 上海市城市建设设计研究总院（集团）有限公司 | The ventilative pressure inspection shaft of a high position |
-
2014
- 2014-04-02 CN CN201420158072.4U patent/CN203947558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989159A (en) * | 2017-11-28 | 2018-05-04 | 上海市城市建设设计研究总院（集团）有限公司 | The ventilative pressure inspection shaft of a high position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170402 |