CN202416528U

CN202416528U - Drainage device for preventing waterlogging in low-lying areas

Info

Publication number: CN202416528U
Application number: CN2011205018060U
Authority: CN
Inventors: 闫雷柱; 张�荣; 李建设; 刘建华
Original assignee: 刘建华
Priority date: 2011-12-06
Filing date: 2011-12-06
Publication date: 2012-09-05

Abstract

The utility model discloses a drainage device for preventing waterlogging in low-lying areas, belongs to the field of drainage engineering, and in particular relates to a drainage structure which can prevent waterlogging caused by a reason that rain water flows backward in the low-lying areas. The drainage device consists of a water pump well, a gate well, a floating gate and a partition wall, wherein the water pump well and the gate well are partitioned by the partition wall; the floating gate is arranged on the partition wall to ensure that the water pump well and the gate well are communicated; a floater on the floating gate rises and floats along with the water level; a flashboard is driven to be closed through a transmission mechanism, so that a phenomenon that the rain water flows backward is avoided; and when the water level in the water pump is raised to a certain position, the water pump is automatically started, and water is pumped to the gate well, so that the waterlogging is prevented. The drainage device is applied to streets in the low-lying areas.

Description

The waterlogging dewatering installation is prevented in low lying areas

Technical field

The present invention relates to the anti-waterlogging dewatering installation in a kind of low lying areas, belong to the drainage works field, particularly low lying areas prevent that rainwater from pouring in down a chimney the drainage structures that forms waterlogging.

Background technology

The urban rainwater discharging all is draining in a organized way generally, and the rainwater in the block is arranged to urban road rainwater pipe through built-in system or arranged to the rivers and canals external system.The discharging of hour can flowing automatically of the area that some physical features are lower, rainfall, but during heavy rain; The discharging of external system urban rainwater pipeline is anxious, or the rise of rivers and canals water level, and the rainwater in the block is not only arranged and do not gone out; The water of urban rainwater pipeline or rivers and canals also can pour in down a chimney, and causes the block waterlogging.For preventing that rainwater from pouring in down a chimney the formation waterlogging, the downstream manhole that built-in system leads to external system in the block usually is provided with the lock groove, when the level of tail water goes up the pipeline lock is lived; Also take emergency measures and to check that with sand pocket well head surrounds; Avoid rainwater to overflow, drawdown is opened the lock groove again after the heavy rain by the time, though can prevent that so a large amount of rainwater from pouring in down a chimney; But the rainwater in the block also can't be got rid of for the moment, can cause excess surface water to form waterlogging when serious.

Summary of the invention

The purpose of the utility model is: provide a kind of low lying areas to prevent the waterlogging dewatering installation; Its beneficial effect is: can close the storm sewer that built-in system downstream, block lead to external system automatically; The rainwater that is gone up in downstream can not pour in down a chimney in the block; When the storm sewer water level of built-in system rises to certain altitude, open water pump automatically, the ponding lifting is evacuated in the external system pipeline, can not cause the block waterlogging.

The utility model is realized through following technology: the downstream of internal drainage system are provided with anti-waterlogging dewatering installation in the block; This device mainly comprises water pump well, gate shaft, floating dam and partition wall composition; Separated by partition wall between water pump well and the gate shaft, the bottom of partition wall is communicated with water pump well and gate shaft with floating dam.Floating dam is made up of lock body, flashboard, O-ring seal, float, connecting rod, driving tooth, passive tooth, gear-box, adjusting knob; Flashboard links to each other with passive tooth; Float, connecting rod link to each other with driving tooth, and the diameter of driving tooth is three times of passive tooth diameter, both mutual interlocks.The float of floating dam, flashboard etc. are located at gate shaft one side, and during normal draining, the water level of gate shaft is lower; Float, connecting rod fall under the deadweight effect; The driving tooth that is connected with connecting rod drives the passive tooth rotation, and passive tooth is connected with flashboard, and flashboard is opened under the drive of passive tooth.Otherwise when the rise of gate shaft water level, the float come-up drives the passive tooth rotation through connecting rod, driving tooth, and flashboard cuts out, and O-ring seal is installed on the flashboard, is sealed between flashboard and the lock body.In the built-in system pipeline, ponding occurs, when the water level in the water pump well rose to certain altitude, water pump was opened automatically and is drawn water, and drains in the gate shaft through force pipe, and gate shaft is airtight, and rainwater can be not excessive.Operating principle is seen Fig. 1, Fig. 2.

Description of drawings

Fig. 1 is the utility model floating dam closed condition sketch map;

Fig. 2 is the utility model floating dam opening sketch map;

Fig. 3 is the utility model plan view;

Fig. 4 is the utility model gate shaft elevation;

Fig. 5 is the floating dam constructional drawing.

Among the figure: 1-water pump well, 2-gate shaft, 3-floating dam, 31-lock body, 32-flashboard, 33-O-ring seal; The 34-float, 35-connecting rod, 36 driving tooths, 37-passive tooth, 38-gear-box, 39-adjusting knob; The 4-partition wall, 5-water pump, 6-force pipe, 7-water inlet pipe, 8-outlet pipe, 9-well lid.

The specific embodiment

The utility model is a subdrainage structure, is arranged on the downstream of block internal drainage system, divides two well chambers, sees Fig. 1, Fig. 2, Fig. 3.Water inlet pipe 7 water receiving pump sumps 1, gate shaft 2 picks out water pipe 8, and outlet pipe 8 leads to exterior drainage system; Separated by partition wall 4 between water pump well 1 and the gate shaft 2, floating dam 3 is installed in partition wall 4 bottoms, and water pump well 1 is communicated with gate shaft 2; Water pump 5 is installed in the water pump well 1, and water pump 5 adopts automatic control of liquid, and the water outlet of water pump 5 is connected to gate shaft 2 through force pipe 6; One jiao of water pump well 1 is provided with well head, and well lid 9 is concordant with ground.

Floating dam 3 is a kind of unidirectional non-return locks, consists of the following components: lock body 31, flashboard 32, O-ring seal 33, float 34, connecting rod 35, driving tooth 36, passive tooth 37, gear-box 38, adjusting knob 39, see Fig. 5.Lock body 31 is circular with flashboard 32, sees Fig. 4, and lock body 31 is built by laying bricks or stones in partition wall 4, and gear-box 38 is fixed on the top of lock body 31, and driving tooth 36 and passive tooth 37 are installed in the gear-box 38, and the diameter of driving tooth 36 is three times of passive tooth 37 diameters, both mutual interlocks.Float 34 is connected with driving tooth 36 through connecting rod 35, in connecting rod 35 and driving tooth 36 junctions a deep-slotted chip breaker is arranged, and connecting rod 35 adopts adjusting knob 39 fixing at the deep-slotted chip breaker place, and adjusting knob 39 can be adjusted the relative position of float 34, connecting rod 35 and driving tooth 36.Passive tooth 37 is connected with flashboard 32, and flashboard 32 peripheries are inlayed O-ring seal 33.The come-up of float 34 and whereabouts; Drive the unlatching and closure of flashboard 32 through connecting rod 35, driving tooth 36, passive tooth 37; Because the diameter of driving tooth 36 is three times of passive tooth 37 diameters; Float 34 moves up and down and drives 30 ° of driving tooth 36 rotations, and passive tooth 37 just can drive flashboard 32 half-twists, and the less stroke of float 34 usefulness is accomplished the whole opening process of flashboard 32.

The utility model operating principle is following: during normal rainfall, the external system water level is lower, and the water level of gate shaft 2 is also lower; Under the effect of float 34, connecting rod 35 gravity, fall; Drive driving tooth 36 and be rotated counterclockwise, passive tooth 37 turns clockwise, and flashboard 32 is driven to be opened; Rainwater discharges naturally, sees Fig. 2.During heavy rain, the water level of gate shaft 2 rises, and float 34 floats; Drivening rod 35, driving tooth 36 turn clockwise, and passive tooth 37 is driven to be rotated counterclockwise, and flashboard 32 is being cut out by drive; The O-ring seal 33 that flashboard 32 peripheries are inlayed is adjacent on lock body 31; The water of gate shaft 2 can not be poured in down a chimney to water pump well 1, play and prevent pouring in down a chimney effect, see Fig. 1.This moment, the rainwater of built-in system can not be discharged; Water level in the water pump well 1 constantly rises; When water level rose to certain altitude, water pump 5 was opened automatically and is drawn water, and the high water level turn on pump fixes on below ground and is advisable for 50 centimetres; Water pump 5 stopped automatically when water was pumped down to than low water stage, and the low water stage termination of pumping fixes on water inlet pipe 7 pipe tops and is advisable.When heavy rain reduces gradually, the external system drawdown, the water level of gate shaft 2 decreases, and float 34 falls, and flashboard 32 is also opened thereupon gradually, and it is normal that storm-water drainage recovers, and sees Fig. 2.

Through the position of adjusting knob 39 adjustment connecting rods 35 with driving tooth 36 deep-slotted chip breakers, the position of float 34 in the time of can adjusting flashboard 32 and close.

Claims

1. the waterlogging dewatering installation is prevented in low lying areas; Mainly comprise water pump well (1), gate shaft (2), floating dam (3), partition wall (4); It is characterized in that: separated by partition wall (4) between described water pump well (1) and the gate shaft (2), the bottom of partition wall (4) is communicated with water pump well (1) and gate shaft (2) with floating dam (3).

2. the waterlogging dewatering installation is prevented in low lying areas according to claim 1, it is characterized in that: described floating dam (3) is made up of lock body (31), flashboard (32), O-ring seal (33), float (34), connecting rod (35), driving tooth (36), passive tooth (37), gear-box (38), adjusting knob (39).

3. the waterlogging dewatering installation is prevented in low lying areas according to claim 2, it is characterized in that: described flashboard (32) links to each other with passive tooth (37).

4. the waterlogging dewatering installation is prevented in low lying areas according to claim 2, it is characterized in that: described float (34), connecting rod (35) link to each other with driving tooth (36).

5. the waterlogging dewatering installation is prevented in low lying areas according to claim 2, it is characterized in that: the diameter of described driving tooth (36) is three times of passive tooth (37) diameter, both mutual interlocks.