CN111155626B - Device capable of automatically dredging drainage inlet at sewer culvert opening - Google Patents
Device capable of automatically dredging drainage inlet at sewer culvert opening Download PDFInfo
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- CN111155626B CN111155626B CN201811349913.9A CN201811349913A CN111155626B CN 111155626 B CN111155626 B CN 111155626B CN 201811349913 A CN201811349913 A CN 201811349913A CN 111155626 B CN111155626 B CN 111155626B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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Abstract
A device capable of automatically dredging a drainage inlet at a sewer culvert opening belongs to municipal drainage equipment. The method is characterized in that: the device comprises a buoyancy tank, a water accumulation tank, a lifting frame, a bearing frame, a garbage net cage, a buoyancy valve box and a sling chain, and is arranged in a rainwater drainage culvert opening on the ground, wherein the bearing frame and the lifting frame form a water inlet barrier which is horizontally arranged at the culvert opening; in daily weather, rainwater flows into the rainwater tank and bears the load of vehicles and pedestrians; when the excessive heavy rainstorm occurs, a large amount of water is accumulated on the road surface, and the garbage such as leaves fallen by the heavy rainstorm on nearby trees drifts to the hole to block the water inlet barrier opening, at the moment, the buoyancy tank automatically floats upwards to push the lifting frame to expand the width of the water inlet barrier opening, the garbage such as leaves is sucked into the garbage net cage, and the water inlet barrier automatically restores to the original state once the water inlet is dredged; repeating the cycle once again with clogging; after the drainage is finished, the garbage is taken out manually, and the device is reused. The invention effectively improves the flood fighting and waterlogging draining capability of cities, and is suitable for drainage devices at the ground rainwater drainage culvert openings of cities in various places.
Description
Technical Field
The invention belongs to the field of road administration facilities, and particularly relates to a dredging device for a ground rainwater drainage culvert opening.
Background
The road rainwater drainage channel is a basic municipal facility in cities and towns, and is used for draining rainwater in cities during raining, so that water accumulation and waterlogging in urban areas are avoided, and normal working and life of citizens are guaranteed. However, the ground rainwater drainage culvert mouth in the road rainwater drainage channel facility which is commonly used at present is simple in equipment, only one water-passing blocking grid plate covers the ground rainwater drainage culvert mouth, when the urban super-heavy rainstorm occurs, the rainstorm falls off leaves of trees at two sides of the road, the leaves are washed away and drifted to cause the ground rainwater drainage culvert mouth, the water-passing blocking grid plate is easy to block, the road surface rainwater cannot be normally discharged, the urban waterlogging is caused, the traffic transportation is influenced, the working life of citizens is seriously influenced, huge property loss is generated, and even the life safety is endangered; if the water-through barrier plates on the ground rainwater drainage culvert mouth are temporarily removed when extra-large heavy rainstorm occurs, a large number of above-ground tree leaf obstacles can rush into the culvert, the underground passage can be blocked, and potential safety hazards can be caused to pedestrians wading on the road.
Therefore, it is very necessary to develop a device which can automatically dredge the road junction and ensure the timely drainage of the road without influencing the road safety of the vehicle wading personnel on the road when obstacles such as leaves and the like block the rainwater drainage culvert on the ground in the case of the extremely heavy rainstorm, and the device provides meaningful equipment for the cities and towns to resist the extremely heavy rainstorm, reduce the property loss of the citizens and recover the normal operation of the cities as soon as possible.
Disclosure of Invention
The invention aims to provide a device capable of automatically removing obstacles and dredging a ground rainwater drainage culvert mouth aiming at the limitation of a rainwater drainage device of an urban road. The device is arranged in a rainwater sewer culvert on the ground, is level with the ground in daily life, bears the load of vehicles and pedestrians, and on normal rainwater days, rainwater on the road flows through the device and finally flows into an underground rainwater channel; when the heavy storm occurs, the ground rainwater drainage culvert is suddenly blocked by obstacles such as leaves on the ground, the inlet of the device can be automatically enlarged, the obstacles are sucked into the filter screen in the device, the inlet is smooth, the ground rainwater drainage culvert returns to normal drainage, and the obstacles are taken out after the weather is normal. The invention provides new technical equipment for improving the flood fighting and waterlogging draining capability of towns.
The invention adopts the following scheme to realize the purpose of the invention:
a device capable of automatically dredging a drainage inlet at a sewer culvert opening comprises a buoyancy tank 1, a water accumulation tank 2, a lifting frame 3, a bearing frame 4, a garbage net cage 5, a buoyancy valve box 6 and a sling chain 7. The buoyancy tank 1 is arranged in the water accumulation tank 2 and is fixedly connected with the lifting frame 3, the bearing frame 4 is arranged in a rainwater drainage culvert on the ground, and the lifting frame 3 is embedded in the bearing frame 4 in a matched manner when falling to form a whole body which is level to the ground 9; the garbage net cage 5 is hung at an inlet of a ground rainwater sewer culvert, and covers the buoyancy tank 1 and the water accumulation tank 2 below the bearing frame 4; the buoyancy valve box 6 is arranged at the bottom in the water accumulation box 2; the water storage tank 2 is fixed in the ground rainwater drainage culvert opening by the hanging chain 7.
The buoyancy tank 1 comprises a buoyancy tank body 1-1, a buoyancy push-pull rod 1-2, a primary water overflow hole 1-3, a secondary water overflow hole 1-4, a siphon pipe 1-5, a sealing sleeve pipe 1-6 and a residual water seepage hole 1-7; the middle of the buoyancy tank body 1-1 is large, the upper end and the lower end are uniformly reduced, and the resistance of water when the buoyancy tank 1 ascends and descends in the water accumulation tank 2 is reduced; the buoyancy push-pull rod 1-2 is connected with the buoyancy box body 1-1 and the lifting frame 3; the primary water overflow hole 1-3 is slightly higher than the horizontal position of the turning top end of the siphon tube 1-5, the water level in the buoyancy tank body 1-1 gradually rises and firstly flows into the primary water overflow hole 1-3; the second water overflow outlet 1-4 is positioned at the uppermost end of the buoyancy tank 1, rainwater falling from the upper part flows into the second water overflow outlet 1-4, and overflows from the second water overflow outlet 1-4 after the inflow amount is overlarge; the vertical pipe at one side of the siphon 1-5 is arranged in the space of the buoyancy tank 1, the suction port 1-5-1 of the siphon is close to the bottom of the buoyancy tank 1, the vertical pipe at the other side is arranged in the sealing sleeve 1-6, the horizontal position of the outlet 1-5-2 of the siphon is lower than the bottom of the buoyancy tank 1, and the high end of the siphon 1-5 is sealed and fixed with the top of the sealing sleeve 1-6; the sealing sleeve 1-6 is positioned in the center of the buoyancy tank 1, the lower end of the sealing sleeve penetrates through the bottom of the buoyancy tank 1-1 and is fixed, the opening is downward, when the water level in the buoyancy tank 1-1 exceeds the high end of the siphon pipe 1-5, a siphon phenomenon occurs, and water in the buoyancy tank 1-1 is sucked out of the tank; the residual water seepage holes 1-7 are arranged on the side surface of the bottom of the buoyancy tank 1, and the residual water in the buoyancy tank 1-1 is slowly seeped out of the tank.
The water accumulation tank 2 comprises a water accumulation tank body 2-1, a v-shaped water outlet 2-2, a sleeve 2-3, a water collecting and limiting plate 2-4, an overflow window 2-5, a buoyancy tank track hole 2-6, a buoyancy valve tank track 2-7 and a screw foot 2-8, wherein the water accumulation tank body 2-1 is vertically arranged and is consistent in size from top to bottom; the number of the v-shaped water discharge ports 2-2 is two, and the v-shaped water discharge ports are arranged at the bottom of the water accumulation tank body 2-1; the two ends of the sleeve 2-3 are opened, the sleeve is vertically arranged in the center of the box body, the lower end of the sleeve penetrates through the bottom of the box body and is fixed, and the opening faces the outside of the box body; a sealing sleeve 1-6 in the buoyancy tank 1 is sleeved in the sleeve 2-3, and a vertical siphon 1-5 in the sealing sleeve 1-6 is inserted into the sleeve 2-3; the water collecting and limiting plate 2-4 is arranged at the uppermost end of the water accumulating box body 2-1 and has two functions: the rainwater falling from the upper surface is concentrated in the central large hole and falls into a second water overflow outlet 1-4 on the buoyancy tank 1, and the rising height of the buoyancy tank 1 is limited; the overflow window 2-5 is positioned at the upper end of the water collecting tank 2 and is positioned near a second water overflow outlet 1-4 when the overflow window is positioned at the lowest position of the buoyancy tank 1; the buoyancy tank track hole 2-6 is formed in the water collecting and limiting plate 2-4, and the buoyancy push-pull rod 1-2 penetrates through the buoyancy tank track hole 2-6 to limit the buoyancy tank 1 to ascend or descend; the buoyancy valve box track 2-7 is arranged at the bottom of the water accumulating box body 2-1, the buoyancy valve box track 2-7 penetrates into the buoyancy valve box 6 to limit the ascending track of the buoyancy valve box 6, and the track cap 2-7-1 limits the vertical floating height of the buoyancy valve box 6.
The lifting frame 3 comprises a bearing beam 3-1 and a fixed screw hole 3-2 arranged in the bearing beam 3-1, the top end of a buoyancy push-pull rod 1-2 in the buoyancy box 1 penetrates through the fixed screw hole 3-2 and is fixed, and the whole lifting frame 3 is made of a light alloy material; the bearing frame 4 comprises a bearing beam 4-1 and a groove 4-2, the lifting frame 3 can be embedded into the groove 4-2 to form a complete launching fence, and the whole bearing frame 4 is made of alloy materials capable of bearing larger pressure.
The garbage net cage 5 comprises 5-1 parts of a framework beam, 5-2 parts of an inclined net, 5-3 parts of a main net and 5-4 parts of a fixing buckle, and the whole net cage is made of stainless steel; two buoyancy push-pull rods 1-2 in the buoyancy tank 1 penetrate into two holes in the framework beam 5-1; the inclined net 5-2 is used for filtering garbage barriers mixed in the falling rainwater, sliding into the main net 5-3, and tightly buckling the garbage net cage 5 on the edge of the rainwater sewer culvert on the ground by using the fixing buckle 5-4.
The buoyancy valve box 6 comprises a buoyancy valve box body 6-1, a conical valve 6-2 attached to the box body, a water discharge pipe 6-3, a track hole pipe 6-4 and a water inlet hose 6-5; the buoyancy valve box body 6-1 is hollow, and the proportion eta of the volume of the hollow part to the total volume of the box body shape meets the following relation: eta > 1- (1-2h pi r2/v)ρWater (W)/ρGold (Au)，r＜(v/2hπ)1/2H is the depth of water fully accumulated in the water accumulation tank, r is the radius of the upper surface circle of the conical valve 6-2, and v is the total volume of the outer surface of the buoyancy valve tank body 6-1; the two conical valves 6-2 are respectively embedded into the two v-shaped water discharge ports 2-2 at the bottom of the water accumulation tank body 2-1, and the opening and closing of the v-shaped water discharge ports 2-2 are controlled along with the upward floating and descending of the buoyancy valve tank 6; the water discharge pipe 6-3 is communicated with the interior of the buoyancy valve box body 6-1, water in the buoyancy valve box body 6-1 is continuously discharged, the total weight of the buoyancy valve box 6 is reduced by discharging water to float upwards, the conical valve 6-2 is separated from the v-shaped water discharge opening 2-2, accumulated water in the water accumulation box 2 is discharged, the buoyancy box 1 does not float upwards any more, the water discharge speed of the water discharge pipe 6-3 is integrally associated with the repeated ascending and descending of the buoyancy box 1, and the water discharge speed is selected to be the time required by continuously discharging the water in the buoyancy valve box body 6-1 to float upwards so that the buoyancy valve box 6 is controlled to be in the time period of the repeated ascending and descending of the buoyancy box 1 for two times; the railTwo hole pipes 6-4 are arranged and sleeved on the buoyancy valve box track 2-7 at the bottom of the water accumulation box body 2-1 to limit the up-and-down floating track and height of the buoyancy valve box 6; two water inlet hose ports 6-5-1 are respectively communicated with two primary water overflow holes 1-3 in the buoyancy tank 1.
The hanging chain 7 is of a u-shaped structure, the middle of the hanging chain is provided with a screw hole 7-1 matched with a screw fixing hole 2-8 at the bottom of the water collecting tank 2, and the upper end hanging buckle is internally provided with a screw fixing hole 7-2 fixed with a ground rainwater sewer culvert opening.
The invention has the beneficial effects that:
the water inlet barrier of the ground rainwater sewer tunnel portal is divided into a fixed bearing frame and a fixed lifting frame, and in daily weather, the combined rainwater is horizontally assisted with the ground at the tunnel portal after being organically combined, so that rainwater flows into and bears the load of vehicles and pedestrians; the invention utilizes the self energy of rainwater to automatically lift the lifting frame to enlarge the gate opening of the water-entry fence, automatically sucks garbage into the garbage net cage and dredges the water-entry gate opening, avoids the occurrence of waterlogging disasters caused by long-time water accumulation in cities, and is a novel and beneficial technology and equipment for improving flood-resisting and waterlogging-draining capability of the cities.
Drawings
Fig. 1 is an overall structure view of a device for automatically dredging a drainage inlet at a sewage culvert opening according to the present invention.
Fig. 2 is a schematic diagram of the obstacle removing operation of the buoyancy tank in the invention.
Fig. 3 is a schematic view of the internal structure of the buoyancy tank of the present invention.
Fig. 4 is a combined structure view of a sewer culvert mouth barrier frame in the invention.
Fig. 5 is a structural view of the water accumulating tank in the present invention.
FIG. 6 is a view showing the internal structure of the water collecting tank in the present invention.
FIG. 7 is a structural view of the buoyancy valve box of the present invention.
Fig. 8(a) is a sectional view of the upper part of the main body apparatus in the present invention.
Fig. 8(b) is a cross-sectional view of the lower half of the main body apparatus of the present invention.
Fig. 9 is a structure of the garbage filter screen according to the present invention.
Fig. 10 is a structure view of a hoist chain of the present invention.
Fig. 11 is a schematic view of the daily state of the sewer culvert installed on the ground.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
a device capable of automatically dredging a drainage inlet at a sewer culvert opening comprises a buoyancy tank 1, a water accumulation tank 2, a lifting frame 3, a bearing frame 4, a garbage net cage 5, a buoyancy valve box 6 and a sling chain 7. The buoyancy tank 1 is arranged in the water accumulation tank 2 and is fixedly connected with the lifting frame 3, the bearing frame 4 is fixed in a rainwater drainage culvert on the ground, and the lifting frame 3 is embedded in the bearing frame 4 in a matched manner when falling to form a whole body which is level to the ground 9; the garbage net cage 5 is hung at an inlet of a road rainwater sewer port, and covers the buoyancy tank 1 and the water accumulation tank 2 below the bearing frame 4; the buoyancy valve box 6 is arranged at the bottom in the water accumulation box 2; the water storage tank 2 is fixed at the opening of the ground rainwater drainage culvert by the hanging chain 7. The overall structure is shown in fig. 1.
Example 1
The invention relates to a buoyancy tank 1 in a device capable of automatically dredging a drainage inlet at a launching culvert opening, which comprises a buoyancy tank body 1-1, a buoyancy push-pull rod 1-2, a primary water overflow hole 1-3, a secondary water overflow hole 1-4, a siphon pipe 1-5, a sealing sleeve 1-6 and a residual water seepage hole 1-7. The structure is shown in fig. 2 and 3.
The lifting frame 3 in the device capable of automatically dredging the drainage inlet at the opening of the sewer culvert comprises a bearing beam 3-1 and a fixed screw hole 3-2 arranged in the bearing beam 3-1, wherein the bearing frame 4 comprises a bearing beam 4-1 and a groove 4-2, and the lifting frame 3 can be embedded into the groove 4-2 to form a complete sewer fence. The structure is shown in fig. 4.
The middle of the buoyancy tank body 1-1 is large, the upper end and the lower end are uniformly reduced, and the resistance of water when the buoyancy tank 1 ascends and descends in the water accumulation tank 2 is reduced; the buoyancy push-pull rod 1-2 is connected with the buoyancy box body 1-1 and the lifting frame 3; the primary water overflow hole 1-3 is slightly higher than the horizontal position of the high end of the siphon pipe 1-5, and the secondary water overflow hole 1-4 is positioned at the uppermost end of the buoyancy tank 1; the vertical pipe at one side of the siphon 1-5 is arranged in the space of the buoyancy tank 1, the suction port 1-5-1 of the siphon is close to the bottom of the buoyancy tank 1, the vertical pipe at the other side is arranged in the sealing sleeve 1-6, the horizontal position of the outlet 1-5-2 of the siphon is lower than the bottom of the buoyancy tank 1, and the high end of the siphon 1-5 is sealed and fixed with the top of the sealing sleeve 1-6; the sealing sleeve 1-6 is positioned in the center of the buoyancy tank 1, the lower end of the sealing sleeve penetrates through the bottom of the buoyancy tank 1-1 and is fixed, and the opening of the sealing sleeve faces downwards; the rainwater falling from the upper surface flows into the secondary water overflow port 1-4, the siphon phenomenon occurs when the water level in the buoyancy tank body 1-1 exceeds the high end of the siphon pipe 1-5, the water in the buoyancy tank body 1-1 flows out of the tank body through the sealing sleeve 1-6, the dead weight of the buoyancy tank 1 is greatly reduced, and when water is accumulated outside the tank body, huge buoyancy is generated, so that the buoyancy tank 1 rises; when the flow rate flowing into the buoyancy tank 1 is larger than the discharge amount of the siphon 1-5, the water level of the tank body gradually rises, firstly flows into the first water overflow hole 1-3, and continuously rises to overflow from the second water overflow hole 1-4; the residual water seepage holes 1-7 are formed in the side face of the bottom of the buoyancy tank 1, the aperture is small, when no water drainage phenomenon exists on the ground, residual water in the buoyancy tank 1-1 slowly seeps out of the tank, and long-term water accumulation in the tank is kept.
According to the invention, the bearing frame 4 is fixed with a ground rainwater drainage culvert, the lifting frame 3 is fixed with the buoyancy tank 1, when the buoyancy tank 1 rises, the lifting frame 3 rises synchronously, and the gap between the lifting frame 3 and the bearing frame 4 is enlarged; the lifting frame 3 is made of light alloy material; the bearing frame 4 is made of alloy materials capable of bearing larger pressure.
Example 2
The invention relates to a water accumulation tank 2 in a device capable of automatically dredging a drainage inlet at a sewer culvert opening, which comprises a water accumulation tank body 2-1, a v-shaped water outlet 2-2 attached to the tank body, a sleeve 2-3, a water collecting and limiting plate 2-4, an overflow window 2-5, a buoyancy tank track hole 2-6, a buoyancy valve box track 2-7 and a screw foot 2-8. The structure is shown in fig. 5 and 6.
The invention relates to a buoyancy valve box 6 in a device capable of automatically dredging a drainage inlet at a sewer culvert opening, which comprises a buoyancy valve box body 6-1, a conical valve 6-2, a drainage pipe 6-3, a track hole pipe 6-4 and a water inlet hose 6-5, wherein the conical valve 6-2, the drainage pipe 6-3, the track hole pipe and the water inlet hose are arranged on the box body. The structure is shown in fig. 7.
The invention relates to a device capable of automatically dredging a drainage inlet at a sewer culvert opening, wherein a buoyancy tank 1 and a buoyancy valve box 6 are arranged in a box body of a water accumulating tank 2, the buoyancy tank 1 is arranged in the middle of the water accumulating tank 2, and the buoyancy valve box 6 is arranged at the bottom of the water accumulating tank 2. The structure is shown in fig. 8(a) and 8 (b).
The water accumulation box body 2-1 is vertically arranged and has the same size from top to bottom; the number of the v-shaped water discharge ports 2-2 is two, and the v-shaped water discharge ports are arranged at the bottom of the water accumulation tank body 2-1; the two ends of the sleeve 2-3 are open, the sleeve is vertically arranged in the center of the box body, the lower end of the sleeve penetrates through the bottom of the box body and is fixed, the opening faces the outside of the box body, the sealing sleeve 1-6 in the buoyancy box 1 is sleeved in the sleeve 2-3, and the vertical siphon 1-5 in the sealing sleeve 1-6 is inserted into the sleeve 2-3; the water collecting and limiting plate 2-4 is arranged at the uppermost end of the water accumulating box body 2-1 and has two functions: the rainwater falling from the upper surface is concentrated in the central large hole and falls into the second water overflow outlet 1-4 on the buoyancy tank 1, and the rising height of the buoyancy tank 1 is limited, namely the rising height of the lifting frame 3 is limited; the overflow window 2-5 is positioned at the upper end of the water collecting tank 2 and is positioned near a second water overflow outlet 1-4 when the overflow window is positioned at the lowest position of the buoyancy tank 1; the buoyancy tank track holes 2-6 are formed in the water collecting and limiting plates 2-4, and the buoyancy push-pull rod 1-2 in the buoyancy tank 1 penetrates through the buoyancy tank track holes 2-6 to limit the buoyancy tank 1 to ascend or descend the track; the buoyancy valve box track 2-7 is arranged at the bottom of the water accumulating box body 2-1, and the buoyancy valve box track 2-7 penetrates through a track hole pipe 6-4 in the buoyancy valve box 6 to limit the rising height and track of the buoyancy valve box 6.
The buoyancy valve box 6 comprises a buoyancy valve box body 6-1, a conical valve 6-2 attached to the box body, a water discharge pipe 6-3, a track hole pipe 6-4 and a water inlet hose 6-5; the buoyancy valve box body 6-1 is hollow, and the proportion eta of the volume of the hollow part to the total volume of the box body shape meets the following relation: eta > 1- (1-2h pi r2/v)ρWater (W)/ρGold (Au)，r＜(v/2hπ)1/2H is the water depth when the water collecting tank is full of water, r is the radius of the upper surface circle of the conical valve 6-2, and v is the total volume of the outer surface of the buoyancy valve box body 6-1;the two conical valves 6-2 are respectively embedded into the two v-shaped water discharge ports 2-2 at the bottom of the water accumulation tank body 2-1, and the opening and closing of the v-shaped water discharge ports 2-2 are controlled along with the upward floating and descending of the buoyancy valve tank 6; the water discharge pipe 6-3 is communicated with the interior of the buoyancy valve box body 6-1, water in the buoyancy valve box body 6-1 is continuously discharged, the total weight of the buoyancy valve box 6 is reduced by discharging water to float upwards, the conical valve 6-2 is separated from the v-shaped water discharge opening 2-2, and accumulated water in the water accumulation box is discharged; the water discharge speed of the water discharge pipe 6-3 is integrally related to the repeated rising and falling of the buoyancy tank 1, and the water discharge speed is selected to be the time required for continuously discharging water in the buoyancy valve tank body 6-1 to enable the buoyancy valve tank 6 to float upwards and is controlled to be the time period for the buoyancy tank 1 to rise and fall repeatedly for two times; the two track hole pipes 6-4 are sleeved on the buoyancy valve box tracks 2-7 at the bottom of the water accumulating box body 2-1 to limit the up-and-down floating track of the buoyancy valve box 6, and the track caps 2-7-1 limit the up-and-down floating height of the buoyancy valve box 6; two water inlet hoses 6-5 are arranged, and the water inlet hose ports 6-5-1 are respectively communicated with the primary water overflow holes 1-3 in the buoyancy tank 1.
In normal rainwater weather, the ground rainwater flows into the ground rainwater drainage culvert opening, falls into the buoyancy tank 1 through the water collecting and limiting plates 2-4 in the water accumulating tank 2, the water level in the buoyancy tank 1-1 rises to cause the top end of a siphon pipe 1-5 in the tank body to generate siphon, accumulated water in the buoyancy tank 1-1 is discharged out of the water accumulating tank 2, and the circulation is carried out, so that the buoyancy tank is always in the original position in the water accumulating tank.
Sudden heavy rainstorm, the ground rainwater flowing into the ground rainwater sewer culvert mouth increases greatly, although the buoyancy tank body 1-1 has siphon, the water amount flowing into the buoyancy tank body 1-1 is larger than the water amount discharged by the siphon, the water level in the tank continuously rises, firstly flows out from the first water overflow hole 1-3 and flows into the buoyancy valve box 6, although the water discharge pipe 6-3 of the buoyancy valve box 6 continuously discharges water, the inflow is larger than the outflow, the inflow valve box 6 has accumulated water and sinks, and two v-shaped water discharge ports 2-2 at the bottom of the water accumulation box 2 are closed; the water level of the buoyancy tank body 1-1 continues to rise until rainwater overflows from the secondary water overflow outlet 1-4 to the water accumulation tank body 2-1, and accumulated water in the water accumulation tank body 2-1 generates buoyancy on the buoyancy tank 1; because the dead weight of the buoyancy tank 1 full of water is larger than the buoyancy, the buoyancy tank 1 is always kept in place. When the obstacles such as leaves and the like block the opening of the ground rainwater drainage culvert, the inflow amount of the ground rainwater is reduced and is smaller than the water amount discharged by the siphon, the accumulated water in the buoyancy tank body 1-1 is reduced due to the siphon phenomenon, the buoyancy tank 1 gradually rises under the buoyancy effect, the lifting frame 3 rises along with the buoyancy tank, the water inlet of the barrier is expanded, the obstacles such as the leaves and the like blocked on the drainage barrier are sucked into the culvert, the obstacles at the water inlet are removed and dredged, and the buoyancy tank 1 descends to the original position.
After the heavy storm is over, the inflow amount of the ground rainwater is reduced and is smaller than the amount of water discharged by the siphon pipe at the later stage of removing the ground accumulated water, the accumulated water of the buoyancy tank body 1-1 is reduced due to the siphon phenomenon, the buoyancy tank body 1 gradually rises under the buoyancy effect, the buoyancy tank body 1 cannot return to the original position due to the continuous siphon phenomenon, but the water discharge pipe 6-3 continuously discharges water until the buoyancy valve tank 6 floats upwards, the v-shaped water discharge port 2-2 at the bottom of the water accumulation tank 2 is opened for discharging water, the water accumulation tank body 2-1 has no accumulated water, the buoyancy tank body 1 returns to the original position, and the barrier combination of the ground rainwater drainage culvert port is equal to the ground.
Example 3
The invention relates to a garbage net cage 5 in a device capable of automatically dredging a drainage inlet at a sewer culvert opening, which comprises a framework beam 5-1, an inclined net 5-2, a main net 5-3 and a fixing buckle 5-4. The structure is shown in fig. 9.
The hanging chain 7 in the device for automatically dredging the drainage inlet at the sewer culvert opening is of a u-shaped structure, the middle of the hanging chain is provided with a screw hole 7-1 matched with a screw fixing hole 2-8 at the bottom of the water accumulation tank 2, and the upper end hanging buckle is internally provided with a screw fixing hole 7-2 fixed with the sewer culvert opening for rainwater on the ground. The structure is shown in fig. 10.
The garbage net cage 5 is made of stainless steel; two buoyancy push-pull rods 1-2 in the buoyancy tank 1 penetrate into two holes in the framework beam 5-1; the inclined net 5-2 is used for filtering garbage barriers mixed in falling rainwater and sliding into the main net 5-3, the garbage net box 5 is tightly buckled on the edge of a rainwater drainage culvert on the ground by using the fixing buckle 5-4, the lifting frame 3 and the bearing frame 4 are opened periodically, and garbage in the garbage net box 5 is taken out, so that the device capable of automatically dredging a drainage inlet at the drainage culvert can be recycled.
The water storage tank is hung on the opening of the ground rainwater drainage culvert by the hanging chain 7.
The bearing frame 4 of the device capable of automatically dredging the drainage inlet at the sewer culvert opening is arranged in the rainwater sewer culvert opening on the ground, the lifting frame 3 descends in the rainy weather and the normal rainy weather, and is embedded in the bearing frame 4 in a matching way, so that the formed small water inlet barrier is level with the ground 9 as a whole, and flows into the ground to accumulate water and bear the load of vehicles and pedestrians. The daily state of the installed ground is shown in fig. 11.
Although the terms buoyancy tank, water accumulation tank, lifting frame, load bearing frame, buoyancy valve box, v-shaped discharge port, siphon, rubbish cage, track cap, water inlet hose, catenary and the like are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (3)
1. A device capable of automatically dredging a drainage inlet at a sewer culvert opening comprises a buoyancy tank (1), a water accumulation tank (2), a lifting frame (3), a bearing frame (4), a garbage net box (5), a buoyancy valve box (6) and a sling chain (7), wherein the buoyancy tank (1) is arranged in the water accumulation tank (2) and is fixedly connected with the lifting frame (3), the bearing frame (4) is arranged in the sewer culvert opening of ground rainwater, and the lifting frame (3) is embedded in the bearing frame (4) in a matched manner when descending to form a whole body which is level to the ground (9); the garbage net cage (5) is hung at an inlet of a ground rainwater drainage culvert and covers the buoyancy tank (1) and the water accumulation tank (2) below the bearing frame (4); the buoyancy valve box (6) is arranged at the bottom in the water accumulation box (2); the water accumulation tank (2) is fixed in the opening of the ground rainwater drainage culvert by the hanging chain (7);
the buoyancy tank (1) comprises a buoyancy tank body (1-1), a buoyancy push-pull rod (1-2), a primary water overflow hole (1-3), a secondary water overflow hole (1-4), a siphon pipe (1-5), a sealing sleeve (1-6) and a residual water seepage hole (1-7); the middle of the buoyancy tank body (1-1) is large, and the upper end and the lower end are uniformly reduced; the buoyancy push-pull rod (1-2) is connected with the buoyancy box body (1-1) and the lifting frame (3); the primary water overflow hole (1-3) is slightly higher than the horizontal position of the turning top end of the siphon (1-5); the secondary water overflow outlet (1-4) is positioned at the uppermost end of the buoyancy tank (1) and is also a rainwater inflow inlet falling from the upper side; the vertical pipe on one side of the siphon (1-5) is arranged in the space of the buoyancy tank (1), the siphon suction port (1-5-1) is close to the bottom of the buoyancy tank (1), the vertical pipe on the other side is arranged in the sealing sleeve (1-6), the horizontal position of the siphon outlet (1-5-2) is lower than the bottom of the buoyancy tank (1), and the turning top end of the siphon (1-5) is sealed and fixed with the top of the sealing sleeve (1-6); the sealing sleeve (1-6) is positioned in the center of the buoyancy tank (1), the lower end of the sealing sleeve penetrates through the bottom of the buoyancy tank body (1-1) and is fixed, and the opening of the sealing sleeve is downward; the residual water seepage holes (1-7) are arranged on the side surface of the bottom of the buoyancy tank (1);
the water accumulation tank (2) comprises a water accumulation tank body (2-1), a v-shaped water discharge opening (2-2) attached to the tank body, a sleeve (2-3), a water collection and limiting plate (2-4), an overflow window (2-5), a buoyancy tank track hole (2-6), a buoyancy valve tank track (2-7) and a screw foot (2-8); the water accumulation box body (2-1) is vertically arranged and has the same size from top to bottom; the number of the v-shaped water discharge ports (2-2) is two, and the v-shaped water discharge ports are arranged at the bottom of the water accumulation tank body (2-1); the two ends of the sleeve (2-3) are opened, the sleeve is vertically arranged in the center of the box body, the lower end of the sleeve penetrates through the bottom of the box body and is fixed, and the opening faces the outside of the box body; a sealing sleeve (1-6) in the buoyancy tank (1) is sleeved in the sleeve (2-3), and a vertical siphon (1-5) in the sealing sleeve (1-6) is inserted into the sleeve (2-3); the water collecting and limiting plate (2-4) is arranged at the uppermost end of the water accumulating box body (2-1) and has two functions: the rainwater falling from the upper surface is concentrated in the central large hole and falls into a second water overflow outlet (1-4) on the buoyancy tank (1), and the rising height of the buoyancy tank (1) is limited; the overflow window (2-5) is positioned at the upper end of the water storage tank (2) and at a position near the second water overflow outlet (1-4) when the overflow window is at the lowest position with the buoyancy tank (1); the buoyancy tank track hole (2-6) is formed in the water collecting and limiting plate (2-4), and the buoyancy push-pull rod (1-2) penetrates through the buoyancy tank track hole (2-6) to limit the buoyancy tank (1) to ascend or descend; the buoyancy valve box track (2-7) is arranged at the bottom of the water accumulation box body (2-1), the buoyancy valve box track (2-7) penetrates into the buoyancy valve box (6) to limit the ascending track of the buoyancy valve box (6), and the track cap (2-7-1) limits the vertical floating height of the buoyancy valve box (6);
the buoyancy valveThe door box (6) comprises a buoyancy valve box body (6-1), a conical valve (6-2) attached to the box body, a water discharge pipe (6-3), a track hole pipe (6-4) and a water inlet hose (6-5); the buoyancy valve box body (6-1) is hollow, and the proportion eta of the volume of the hollow part to the total volume of the box body shape meets the following relation: eta > 1- (1-2h pi r2/v)ρWater (W)/ρGold (Au)，r＜(v/2hπ)1/2H is the depth of water fully accumulated in the water accumulation tank, r is the radius of the upper surface circle of the conical valve (6-2), and v is the total volume of the outer surface of the buoyancy valve tank body (6-1); the two conical valves (6-2) are respectively embedded into the two v-shaped water discharge ports (2-2) at the bottom of the water accumulation box body (2-1), and the opening and closing of the v-shaped water discharge ports (2-2) are controlled along with the upward floating and descending of the buoyancy valve box (6); the water discharge pipe (6-3) is communicated with the interior of the buoyancy valve box body (6-1), water in the buoyancy valve box body (6-1) is continuously discharged, the total weight of the buoyancy valve box (6) is reduced by discharging water to float upwards, the conical valve (6-2) is separated from the v-shaped water discharge port (2-2), accumulated water in the accumulated water tank (2) is discharged, the buoyancy box (1) does not float upwards any more, the water discharge speed of the water discharge pipe (6-3) is integrally associated with the rising and falling of the buoyancy box (1), and the water discharge speed is selected to be controlled in a time period when the buoyancy box (1) repeatedly rises and falls for two times; the two track hole pipes (6-4) are sleeved on the buoyancy valve box track (2-7) at the bottom of the water accumulation box body (2-1) to limit the up-and-down floating track and height of the buoyancy valve box (6); the water inlet hose (6-5) is provided with two water inlet hose ports (6-5-1) which are respectively communicated with two primary water overflow holes (1-3) in the buoyancy tank (1).
2. The device for automatically dredging the drainage inlet at the launching culvert opening of claim 1, wherein: the lifting frame (3) comprises a bearing beam (3-1) and a fixing screw hole (3-2) formed in the bearing beam (3-1), the top end of a buoyancy push-pull rod (1-2) in the buoyancy box (1) penetrates through the fixing screw hole (3-2) and is fixed, and the whole lifting frame (3) is made of a light alloy material; the bearing frame (4) comprises a bearing beam (4-1) and a groove (4-2), the lifting frame (3) can be embedded into the groove (4-2) to form a complete launching fence, and the bearing frame (4) is made of alloy materials capable of bearing large pressure.
3. The device for automatically dredging the drainage inlet at the launching culvert opening of claim 1, wherein: the garbage net cage (5) comprises a framework beam (5-1), an inclined net (5-2), a main net (5-3) and a fixing buckle (5-4), and the whole net cage is made of stainless steel; two buoyancy push-pull rods (1-2) in the buoyancy tank (1) penetrate through two holes in the framework beam (5-1); the inclined net (5-2) is used for filtering garbage barriers mixed in the falling rainwater and sliding into the main net (5-3); the garbage net box (5) is tightly buckled on the edge of the rainwater sewer culvert on the ground by a fixing buckle (5-4).
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| CN201811349913.9A CN111155626B (en) | 2018-11-07 | 2018-11-07 | Device capable of automatically dredging drainage inlet at sewer culvert opening |
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| CN201811349913.9A CN111155626B (en) | 2018-11-07 | 2018-11-07 | Device capable of automatically dredging drainage inlet at sewer culvert opening |
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| CN111155626B true CN111155626B (en) | 2021-07-20 |
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| CN112554321A (en) * | 2021-01-14 | 2021-03-26 | 义乌市由道贸易有限公司 | Anti-blocking equipment capable of emergently leading water when well lid is blocked |
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