CN204040164U - A kind of variable cross-section gutter - Google Patents
A kind of variable cross-section gutter Download PDFInfo
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- CN204040164U CN204040164U CN201320859192.2U CN201320859192U CN204040164U CN 204040164 U CN204040164 U CN 204040164U CN 201320859192 U CN201320859192 U CN 201320859192U CN 204040164 U CN204040164 U CN 204040164U
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Abstract
The utility model discloses a kind of variable cross-section gutter, gutter comprises ditch body, and the groove that described ditch body adopts longitudinal cross-section, upper and lower part different is communicated with to be arranged; The groove of to be longitudinal cross-section be on the top of described ditch body rectangle, the groove of del that to be longitudinal cross-section be in bottom.Ditch body due to gutter adopts that the longitudinal cross-section on top is rectangle, the longitudinal cross-section of bottom is the groove mode of communicating of del, when displacement is less, the draining cross section in this gutter is less, draining flow velocity improves, sufficient inflow-rate of water turbine decreases the deposition of the dirts such as silt, has half self-purification capacity.When displacement is larger, the draining cross section in this gutter increases, and realizing inflow-rate of water turbine synchronously increases (displacement increases water level and rises, and the width of draining simultaneously increases) along with the increase of displacement, is namely met the demand of displacement by the change of gutter cross-sectional area.
Description
Technical field
The utility model relates to dewatering installation technical field, specifically refers to a kind of variable cross-section gutter.
Background technology
Gutter be by gutter, catchwater, roadbed near ponding be discharged to ditch in the natural stream of bridges and culverts place or roadbed part, existing gutter mostly is V-arrangement gutter and U-shaped gutter.Relative V-arrangement gutter, the ditch body cross section in U-shaped gutter is large, and inflow-rate of water turbine is large, but easily piles up silt and rubbish bottom ditch body, affects drainage performance, needs often to carry out artificial blowdown and maintenance.When displacement is less, the cross section in V-arrangement gutter is little, a high flow velocities can be produced relative to U-shaped gutter, still certain inflow-rate of water turbine is kept, decrease sedimentation, there is half self-purification capacity, but when displacement is larger, the inflow-rate of water turbine in V-arrangement gutter is restricted, and cannot meet the dewatering needs of large discharge.
Therefore, for overcoming the deficiency of above-mentioned technology and designing one and there is half self-purification capacity, the variable cross-section gutter matched with displacement.
Utility model content
The purpose of this utility model is to provide one to have half self-purification capacity, the variable cross-section gutter matched with displacement.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of variable cross-section gutter, gutter comprises ditch body, and the groove that described ditch body adopts longitudinal cross-section, upper and lower part different is communicated with to be arranged; The groove of to be longitudinal cross-section be on the top of described ditch body rectangle, the groove of del that to be longitudinal cross-section be in bottom.
The longitudinal cross-section area ratio of the groove of described rectangle and the groove of described del is 2.5-4:1.
The angle of cut of the sidewall junction, side that the groove of described rectangle is corresponding with the groove of described del is 145-180 degree.
The bottom angle of the groove of described del is 45-70 degree.
The bottom of the groove of described del is provided with a chamfering.
The shape of the groove of described del is isosceles triangle.
The shape of the groove of described del is right-angled triangle.
The beneficial effects of the utility model are, the groove of to be longitudinal cross-section be the ditch body top due to gutter rectangle, the groove of del that to be longitudinal cross-section be in bottom, (displacement increases water level and rises along with the increase of displacement synchronously increases can to realize inflow-rate of water turbine, the width of draining simultaneously increases), the demand of displacement is namely met by the change of gutter cross-sectional area.When displacement is less, sewage crosses water in the groove of the less del of lateral cross section, less lateral cross section makes the little water yield still can produce a higher flow velocity, not even lower than the flow velocity (lowest speed) of sedimentation, thus decrease the sedimentation that the little water yield causes low flow velocity to bring; When displacement is larger, the water level in ditch body rises in the groove of the larger rectangle of lateral cross section, because cross-sectional area increases, inflow-rate of water turbine is increased, thus realizes Quick drainage.The utility model variable cross-section gutter, the longitudinal cross-section adopting ditch body top is rectangle, the longitudinal cross-section of bottom is the groove mode of communicating of del, not easily long-pendingly during the little water yield become silted up, during big yield, discharge capacity is strong, reaches the object that drainability and displacement match.
Sedimentation thing is generally concentrated and is deposited in the groove of the del of ditch body bottom, because deposition section opening is less, only need carry out labor cleaning to this small bore, thus reduce maintenance cost.The bottom of the groove of del arranges a chamfering, can effectively prevent bottom excessive and rupture by scouring force.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the chamfering in the utility model;
Fig. 3 is another structural representation of the present utility model.
In figure:
The groove of 1-ditch body, 11-rectangle
Groove 121-the chamfering of 12-del
The angle of cut of the sidewall junction, side that the groove of α-rectangle is corresponding with the groove of del
The bottom angle of β-del groove
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
A kind of variable cross-section gutter that the utility model relates to, as shown in Figure 1, gutter comprises ditch body 1, and ditch body 1 is resin concrete material, waterproof, and ditch body 1 inner wall smooth, drainage speed is fast.Groove that ditch body 1 adopts longitudinal cross-section, upper and lower part different is communicated with to be arranged, the groove 11 of to be longitudinal cross-section be on the top of ditch body 1 rectangle, the groove 12 of del that to be longitudinal cross-section be in bottom.
The longitudinal cross-section area ratio of the groove 11 of rectangle and the groove 12 of del is 3:1, the angle of cut α of the groove 11 of rectangle and corresponding side (left side as shown in Figure 1) the sidewall junction of the groove 12 of del is 150 degree, and the bottom angle β of the groove 12 of del is 60 degree.The shape of the groove 12 of del is isosceles triangle.
When displacement is less, sewage crosses water in the groove 12 of the less del of lateral cross section, less lateral cross section makes the little water yield still can produce a higher flow velocity, not even lower than the flow velocity (lowest speed) of sedimentation, thus decrease the sedimentation that the little water yield causes low flow velocity to bring; When displacement is larger, the water level in ditch body 1 rises in the groove 11 of the larger rectangle of lateral cross section, because cross-sectional area increases, inflow-rate of water turbine is increased, thus realizes Quick drainage.The utility model variable cross-section gutter, the longitudinal cross-section adopting ditch body top is rectangle, the longitudinal cross-section of bottom is the groove mode of communicating of del, not easily long-pendingly during the little water yield become silted up, during big yield, discharge capacity is strong, reaches the object that drainability and displacement match.
Sedimentation thing is generally concentrated and is deposited in the groove 12 of the del of ditch body 1 bottom, because deposition section opening is less, only need carry out labor cleaning to this small bore, thus reduce maintenance cost.The bottom of the groove 12 of del arranges chamfering 121(as Fig. 2), can effectively prevent bottom excessive and rupture by scouring force.
Fig. 3 is another embodiment of the present utility model.Gutter comprises ditch body 1, and ditch body 1 is resin concrete material, and the groove that ditch body 1 adopts longitudinal cross-section, upper and lower part different is communicated with to be arranged; The groove 11 of to be longitudinal cross-section be on the top of ditch body 1 rectangle, the groove 12 of del that to be longitudinal cross-section be in bottom.
The longitudinal cross-section area ratio of the groove 11 of rectangle and the groove 12 of del is 3:1, the angle of cut α of the groove 11 of rectangle and corresponding side (left side as shown in Figure 3) the sidewall junction of the groove 12 of del is 180 degree, and the bottom angle β of the groove 12 of del is 45 degree.The shape of the groove 12 of del is right-angled triangle.The operating principle of this embodiment is identical with embodiment 1, no longer launches to describe in detail herein.
A kind of variable cross-section gutter of the utility model, its material is not limit, and can be resin concrete material, can also be glass-reinforced plastic material, can also be plastic material.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (7)
1. a variable cross-section gutter, gutter comprises ditch body, it is characterized in that: the groove that described ditch body adopts longitudinal cross-section, upper and lower part different is communicated with to be arranged; The groove of to be longitudinal cross-section be on the top of described ditch body rectangle, the groove of del that to be longitudinal cross-section be in bottom.
2. variable cross-section gutter according to claim 1, is characterized in that: the longitudinal cross-section area ratio of the groove of described rectangle and the groove of described del is 2.5-4:1.
3. variable cross-section gutter according to claim 1, is characterized in that: the angle of cut of the sidewall junction, side that the groove of described rectangle is corresponding with the groove of described del is 145-180 degree.
4. variable cross-section gutter according to claim 1, is characterized in that: the bottom angle of the groove of described del is 45-70 degree.
5. variable cross-section gutter according to claim 1, is characterized in that: the bottom of the groove of described del is provided with a chamfering.
6. the variable cross-section gutter according to any one of claim 1-5, is characterized in that: the shape of the groove of described del is isosceles triangle.
7. the variable cross-section gutter according to any one of claim 1-5, is characterized in that: the shape of the groove of described del is right-angled triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859192.2U CN204040164U (en) | 2013-12-24 | 2013-12-24 | A kind of variable cross-section gutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859192.2U CN204040164U (en) | 2013-12-24 | 2013-12-24 | A kind of variable cross-section gutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204040164U true CN204040164U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320859192.2U Expired - Fee Related CN204040164U (en) | 2013-12-24 | 2013-12-24 | A kind of variable cross-section gutter |
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| Country | Link |
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| CN (1) | CN204040164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794339A (en) * | 2020-07-04 | 2020-10-20 | 山东艺苑园林工程有限公司 | Drainage ditch for municipal works |
-
2013
- 2013-12-24 CN CN201320859192.2U patent/CN204040164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794339A (en) * | 2020-07-04 | 2020-10-20 | 山东艺苑园林工程有限公司 | Drainage ditch for municipal works |
| CN111794339B (en) * | 2020-07-04 | 2021-07-06 | 山东艺苑园林工程有限公司 | Drainage ditch for municipal works |
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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 |
Granted publication date: 20141224 Termination date: 20181224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |