CN110924357A

CN110924357A - A water blocking system for underground space flood fighting

Info

Publication number: CN110924357A
Application number: CN201811153167.6A
Authority: CN
Inventors: 胡开鑫
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2018-09-19
Filing date: 2018-09-19
Publication date: 2020-03-27

Abstract

A water-retaining system for fighting flood in underground place belongs to flood-control equipment. The method is characterized in that: the system comprises a basic water arrester, a manual unlocking device, a water inlet and outlet auxiliary device, a wall side leakage-proof device, a drainer, a ventilation device, a supplementary water arrester and a supplementary unlocking device, wherein the basic water arrester, the supplementary water arrester and the wall side leakage-proof device are configured to form a water arresting dam; the water baffle is locked on the base, is horizontally laid at an entrance of an underground place, has the total height of about 60mm, and is used as a vehicle deceleration strip; the small water on the ground blocks the water flowing into the water accumulating tank and is discharged, and the ground is dry; large water enters the water barrier, the water buoyancy lock is opened to enable the water barrier plate to be bounced open and then erected, and the large water presses the base plate of the water barrier to enable the water barrier plate to be stable; after the heavy water is withdrawn, the accumulated water is discharged by a drainer, and the ventilation device dries the interior of the water retaining device; two buoyancy unlocking and one manual unlocking ensure the bounce of the water baffle plate, and the invention has the beneficial effects that: the flood barrier is provided, the base is stable, the safety is good, the programmed assembly is realized, the effective period is long, and the underground flood barrier is suitable for resisting the use of various underground places.

Description

A water blocking system for underground space flood fighting

Technical Field

The invention relates to the field of flood control and disaster prevention equipment, in particular to a facility for fighting flood in underground places.

Background

Rainstorm and flood are common natural disasters, people can be damaged to different degrees, particularly, the danger of flooding caused by water inflow in places such as basements, underground garages, underground railways and underground markets with low water levels threatens life and property safety, especially sudden and extremely heavy rainstorm when people are quiet at night, and temporary flood control measures cannot be taken. Therefore, the device capable of automatically blocking water and fighting flood is arranged at the easy water inlet of the low-lying place in the terrain, and the device has important significance. However, because the life and property safety of people is related to such facilities, the safety and reliability of the facilities are the most important of products, so that the technological content of the water retaining device is further improved, the automation degree of the water retaining device is improved, the stability and reliability are improved, the daily ground small water seepage prevention and moisture prevention functions of the water retaining device are further expanded on the basis, the production cost is reduced, and the installation difficulty is reduced.

Disclosure of Invention

The invention aims to design an automatic water-blocking flood-fighting system which has high automation degree and stability, can prevent small water seepage on the ground daily, can prevent moisture, has lower production cost and is simple in installation process for dangerous places such as basements, underground garages, underground railways and underground shopping malls which have lower water levels and are easy to flood with water inflow.

The invention adopts the following scheme to realize the purpose of the invention:

a water blocking system for fighting flood in underground places comprises a plurality of basic water blocking devices 1, a manual unlocking device 2, two water inlet and outlet auxiliary devices 3, two wall side leakage-proof devices 4, two small-flow water automatic draining devices 5, a Bernoulli ventilating device 6, a plurality of sets of supplementary water blocking devices 7 and supplementary unlocking devices 8. A plurality of basic water arresters 1, supplementary water arresters 7 and wall-side leakage-proof devices 4 are spliced to form a water-arresting dam, and in daily life, the basic water arresters 1 and the supplementary water arresters 7 are closed and horizontally arranged at an entrance of an underground place; when meeting with big water, the utility model can automatically open the water-blocking and flood-fighting.

The basic water arrester 1 comprises a water arresting plate 1-1, a base 1-2, a limiting tension rope 1-3, a water buoyancy lock 1-4 and an initial angle spring leaf 1-5.

The water blocking plate 1-1 comprises a lock catch 1-1-1 fixed on a water blocking main plate, sealing strip grooves 1-1-2 embedded with soft water-leakage-proof sealing strips on two sides of the water blocking main plate, reinforcing ribs 1-1-3 on the bottom surface of the water blocking main plate, a rotating shaft hole 1-1-4 in the bottom end of the water blocking main plate, fixing holes 1-1-5 and anti-skid sand grains 1-1-6. The water-retaining main board is made of light metal materials with low density, high rigidity and low material price, the sealing strip groove 1-1-2 is arranged at the edge of the reverse side of the water-retaining main board and is the same as the lock catch 1-1-1, and when the water-retaining main board is horizontally covered, the sealing strip groove is hidden in the base 1-2 to prevent the sealing strip groove from being damaged by foreign objects; the edge of the upper end of the front of the water-blocking main board is provided with a fixing hole 1-1-5, the two water-blocking main boards are connected and fixed by a metal sheet, so that the soft water-leakage-proof sealing strip at the back is prevented from being broken by pulling when the erection time of the two adjacent water-blocking main boards is different, and the front of the water-blocking main board is also provided with an anti-skidding sand grain 1-1-6.

The base 1-2 comprises a plurality of bearing beams 1-2-1, slopes 1-2-2 at two ends and base plates 1-2-11. The base 1-2 is an integral body, the load-bearing beam 1-2-1 is aligned with the longitudinal reinforcing rib 1-1-3 on the bottom surface of the water-blocking main board, when the water-blocking main board horizontally covers the base 1-2, the load-bearing beam 1-2-1 is completely contacted with the reinforcing rib 1-1-3, and the number of the load-bearing beam 1-2-1 is determined according to the total width and load-bearing load of the water-blocking board 1-1; the bearing beam 1-2-1 is provided with a plurality of fixing holes 1-2-5 for fixing two adjacent basic water interceptors 1, the bottom of the bearing beam 1-2-1 is provided with a water flow through hole 1-2-6, and a starting spring 1-2-7 fixed with the base plate 1-2-11 is arranged between the bearing beams 1-2-1; a water inlet channel 1-2-3 is arranged at the tip of the bottom of a slope 1-2-2 on the side of water blocking, a ground water flow channel 1-2-3-1 which is communicated with the water inlet channel 1-2-3 and transversely arranged is arranged in the bottom of the slope, and fixing holes 1-2-8 which are communicated with the ground are arranged on the two slopes; a rotating shaft seat 1-2-10 matched with a rotating shaft hole 1-1-4 at the bottom end of the water-blocking main board is arranged on the frame above the base plate 1-2-11; on the bottom surface of the base plate 1-2-11, the bottom surface under the slope 1-2-2 of the water blocking side is provided with a sealing strip notch 1-2-4 embedded with a sealing strip parallel to the ground water flow channel 1-2-3-1, the sealing strip is embedded between the ground and the sealing strip notch 1-2-4 to block the water on the ground from permeating into the base from the bottom of the base, the bottom surface is also provided with air channels 1-2-12 and 1-2-13, and the air channel outlet 1-2-14 is arranged on the base 1-2 of the water blocking device 1 at the most edge; the base is a whole, the horizontal thrust of water pushes the fulcrum of the basic water arrester 1 to the tip 1-2-9 of the rear slope, the pressure moment of the water on the base plate 1-2-11 is far greater than the horizontal thrust moment, the basic water arrester 1 is stable, and the fixing holes 1-2-8 and the fixing gongs on the ground only block the horizontal tangential movement of the basic water arrester 1.

The slope 1-2-2 on the water blocking side is internally provided with a water inlet channel 1-2-3, a ground water flow channel 1-2-3-1 and a large water channel 1-2-3-2 which are communicated with each other, the large water channel 1-2-3-2 is positioned above the horizontal line of the ground water flow channel 1-2-3-1 and inclines upwards to prevent the water blocking device from being placed for a long time, and dust enters the water inlet channel 1-2-3 and then blocks the large water channel 1-2-3-2.

One end of the limiting tension rope 1-3 is fixed on the water baffle 1-1, the other end is fixed on the base 1-2 and is composed of a metal chain, and the total length of the limiting tension rope is the length of a straight line connecting two points when the water baffle 1-1 is vertical to the base 1-2.

The water buoyancy lock 1-4 comprises a buoyancy lock catch 1-4-1, a lock sleeve 1-4-2, a buoyancy mark 1-4-3, a lock catch rotating shaft 1-4-4 and a manual unlocking device track limiting nail 1-4-5. The buoyancy lock 1-4 is fixed on the base 1-2, and the installation position is based on that when the lock catch 1-1-1 on the water blocking main board is locked, the water blocking main board is exactly horizontally covered on the bearing beam 1-2-1 of the base; the shape of the buoyancy lock catch 1-4-1 is matched with that of the lock catch 1-1-1 on the water-blocking main board; the buoyancy mark 1-4-3 has a certain weight, the average density is less than the water density, when there is no water buoyancy, the buoyancy lock catch 1-4-1 can tightly lock the lock catch 1-1-1 on the water blocking main board under the action of lever, and ensure that the water blocking main board 1-1 is horizontally covered on the base 1-2, when there is water, the buoyancy mark 1-4-1 can float on the water surface, the buoyancy mark 1-4-3 rises along with the rise of water level, until the buoyancy lock catch 1-4-1 is separated from the lock catch 1-1-1 on the water blocking main board, the water blocking board 1-1 is quickly bounced up, the invention preferentially selects the plastic with lower density to make the hollow stick, the metal block with higher density is arranged, the spring leaf 1-5 elasticity of the initial angle is started according to the total weight of the water blocking main board, the spring leaf, The length and the weight of the buoyancy arm of the buoyancy mark 1-4-3 are determined by the shape of the tooth of the buoyancy lock catch 1-4-1 and the conditions of the power arm and the resistance arm.

The initial angle spring leaf 1-5 is made of a steel sheet with strong rigidity, is limited between two bearing beams 1-2-1 of a base 1-2 and can move up and down, an included angle α 1-2-14 for balancing water pressure and gravity is provided for the initial bouncing of the water-blocking main board 1-1, the shape structure and the arrangement quantity of the initial angle spring leaf 1-5 are determined according to the shape and the weight of the water-blocking board 1-1 and the size of the included angle α 1-2-14 of the initial bouncing main board, the invention preferentially sets the water submerging to the position where the central horizontal line of the main water-blocking board is in the state of balancing water pressure and gravity, and the included angle α 1-2-14 of the initial angle spring leaf 1-5 for the initial bouncing main board must be more than or equal to α₀，

Density of the main water-retaining plate, d average thickness of the main water-retaining plate,

is water density, L₀The water level continues to rise as the vertical height of the main water blocking plate is the vertical height, and the water blocking plate 1-1 is gradually erected until the water blocking plate reaches a limiting vertical state; the invention preferentially selects and sets two initial angle spring pieces 1-5.

The manual unlocking device 2 comprises a tension rope 2-1, a return spring 2-2, an unlocking plate 2-3, a tension rope pulley 2-5 and a tension rope handle 2-4, wherein the unlocking plate 2-3 is provided with an unlocking inclined plane 2-3-1 and a track groove 2-3-2; the track groove 2-3-2 is assembled on a track limiting nail 1-4-5 in the buoyancy lock 1-4, the unlocking inclined plane 2-3-1 is tightly attached below the cross rod of the buoyancy mark 1-4-3, one end of the tension rope 2-1 and one end of the reset spring 2-2 are fixed with the unlocking plate 2-3, and the other end of the reset spring 2-2 is fixed with the base; pulling the tension rope 2-1, unlocking the inclined plane 2-3-1, lifting the buoyancy mark 1-4-3, unlocking the water blocking main board 1-1 and the base 1-2, loosening the tension rope 2-1, enabling the unlocking board 2-3 to reset by the reset spring 2-2, and resetting the buoyancy mark 1-4-3; the tension rope 2-1, the reset spring 2-2, the unlocking plate 2-3 are arranged in each basic water arrester 1, and only the last basic water arrester 1 in the whole system is added with a tension rope pulley 2-5, a tension rope handle 2-4 and a supplementary tension rope 8-3 of another supplementary unlocking device 8; the tension ropes 2-1 on all the bases are connected into a whole, the base turns to tension rope handles 2-4 through tension rope pulleys 2-5, and all the buoyancy locks 1-4 can be unlocked simultaneously by pulling the tension rope handles 2-4; the tension rope 2-1 is fixedly connected with the supplementary tension rope 8-3 before the tension rope pulley 2-5 turns.

The water inlet and outlet assistor 3, the left water inlet and outlet assistor 3 and the right water inlet and outlet assistor 3 are respectively arranged at the left side and the right side of a water retaining dam combined by a plurality of basic water retaining devices 1 and supplementary water retaining devices 7, the left water inlet and outlet assistor 3 is symmetrical to the right water inlet and outlet assistor 3, each water inlet and outlet assistor 3 comprises a ground water diversion channel 1-2-3-1 matched with a base 1-2, a seal notch 1-2-4, a fixing hole 1-2-5, a water flow through hole 1-2-6, a big water outflow channel 3-1, a ground water outflow channel 3-2, a big water inflow channel 3-3, a Bernoulli ventilation pipe joint 3-4, a big water outlet 3-5, a ground water flow channel 1-2-3-1 is communicated with the ground water outflow channel 3-2, the big water inflow channel 3-3 is communicated with the water flow through hole 1-2-6 and the big water outflow groove 3-1, the inlet of the big water inflow channel 3-3 inclines forwards, the slope 3-3-1 is arranged on the way of the channel, the water inlet and outlet auxiliary device 3 is a whole, the length and the height of the whole are consistent with those of the base, and the ground water flow channel 1-2-3-1, the seal groove opening 1-2-4, the fixing hole 1-2-5 and the water flow through hole 1-2-6 are respectively aligned with the base; if a gap is reserved between the water inlet and outlet auxiliary device 3 and the wall body, cement is used for filling; the water inlet and outlet assistor 3 has the functions of: the ground water flowing into each basic water arrester 1 flows into a ground water outflow groove 3-2 in the water inlet and outlet auxiliary device 3 in a centralized manner and flows to a next-stage drainer; after the outside large water is removed, the accumulated water accumulated in the base water flows into the large water outflow groove 3-1 through the water flow through hole 1-2-6 in a centralized manner and flows to the next stage of drainer; under the condition that the water inlet channel 1-2-3 of each base 1-2 is blocked by dust, large water can flow into each base 1-2 from the large water inflow channel 3-3, so that the water blocking plate 1-1 is bounced to block the large water; after accumulated water is removed, outside air flows in from the Bernoulli ventilating pipe interface 3-4 at one end, flows to the gap of each base 1-2 through the large water outflow groove 3-1 and the water flow through holes 1-2-6, and flows out from the other end to keep the bases dry.

The wall edge leakage-proof device 4 is divided into a left wall edge leakage-proof device 4 and a right wall edge leakage-proof device 4 which are respectively arranged on the basic water interceptor 1 and the wall at the left side and the right side, and the left wall edge leakage-proof device 4 is symmetrical to the right wall edge leakage-proof device 4; the wall edge leakage-proof device 4 comprises a wall leakage-proof circular plate 4-1, a leakage-proof scraper 4-2, a leakage-proof rubber column 4-3, a leakage-proof rubber sleeve 4-4 and a telescopic water baffle 4-5, wherein the wall leakage-proof circular plate 4-1 and the leakage-proof rubber sleeve 4-4 are integrated and fixed on the wall; the leakage-proof rubber sleeve 4-4 is vertically arranged, the bottom of the leakage-proof rubber sleeve 4-4 is tightly contacted with the water inlet and outlet auxiliary device 3, and the gap is filled with cement and leakage-proof rubber; the thick edge 4-2-1 of the anti-leakage scraper 4-2 is fixed on the edge 4-5 of the telescopic water baffle plate; the radius of the outer semi-circle of the leakage-proof rubber column 4-3 is equal to the radius of the inner semi-circle of the leakage-proof rubber sleeve 4-4, and the leakage-proof rubber column is fixed on the back of the telescopic water baffle 4-5; a telescopic water baffle 4-5 provided with a leakproof scraper knife 4-2 and a leakproof glue column 4-3 is fixed on the water baffle 1-1 of the basic water baffle 1, the fixed position of a screw fixing telescopic groove 4-5-2 is adjusted according to the distance between a water baffle system and a wall leakproof circular plate 4-1, the knife edge 4-2-2 of the leakproof scraper knife 4-2 is ensured to be tightly contacted with the wall leakproof circular plate 4-1 and can rotate freely, and the leakproof glue column 4-3 and the leakproof glue sleeve 4-4 can be completely sleeved and matched when the telescopic water baffle 4-5 is vertical; the leakage-proof circular plate 4-1 of the foundation wall is made of a stainless steel plate, the outer surface of the foundation wall is subjected to hydrophobic treatment, the leakage-proof scraper knife 4-2 is made of silicon rubber or a stainless steel sheet with larger elasticity, the leakage-proof rubber column 4-3 and the leakage-proof rubber sleeve 4-4 are made of silicon rubber, the length of the telescopic water baffle 4-5 is consistent with that of the water baffle 1-1, the width of the telescopic water baffle 4-5 is 1/16+ the water inlet and outlet auxiliary device 3 width + the length of the telescopic fixed plate 4-5-1 of the water baffle 1-1, and the telescopic fixed plate 4-5-1 is provided with a screw fixing telescopic groove 4.

The small running water automatic drainer 5 comprises a left small running water automatic drainer 5 and a right small running water automatic drainer 5 which are symmetrical and are respectively fixed on the walls at two sides of the slope of the underground place; each small running water automatic drainer 5 comprises a water diversion connecting pipe 5-1, a water storage tank 5-2, a drain pipe 5-3, a water level switch 5-4, a water level switch 5-5, a water pump 5-6, a water outlet 5-7 and a flood alarm 5-8; the interfaces 5-1 of the left and right water leading connecting pipes are respectively connected with the water outlets 3-5 of the left and right water inlet and outlet auxiliary devices 3; after small daily water on the ground is intercepted by the basic water interceptor 1, the small daily water is collected to the water inlet and outlet auxiliary device 3 through the ground water flow channel 1-2-3-1 and flows into the water storage tank 5-2, and when water is accumulated in the water storage tank 5-2 to the water level switch 5-4, the water pump 5-6 starts to pump water; when large water generated at the periphery is intercepted, a large amount of water flows into the water storage tank 5-2, the water level rises to the water level switch 5-5, the circuit is disconnected, meaningless water pumping is stopped, and the flood alarm 5-8 starts alarming; when the large peripheral water is removed, the stored water in the water storage tank 5-2 is poured back to the periphery, the water level is reduced to the water level switch 5-5 and the power is restored, the flood alarm 5-8 stops alarming, the water pump 5-5 starts pumping water, and the accumulated water in the base 1-2 flows into the water storage tank 5-2 and is drained; when the water level in the water storage tank 5-2 is reduced to the water level switch 5-4, the circuit is powered off, and the water pump 5-5 stops pumping water; the automatic small-flow water drainer 5 is a fully sealed box capable of bearing certain water pressure, a water level switch 5-5 is arranged on the same horizontal line with the ground, a water outlet 5-7 horizontal line is slightly higher than the highest plate edge of a water baffle plate 1-1 when vertical, the water displacement of a water pump 5-5 in unit time is larger than the ground water inflow and smaller than the large water inflow, the water level switch 5-4 is a normally open type switch, the water level switch 5-5 is a normally closed type switch, and a replenishing unlocking device 8 is arranged in a water storage tank 5-2.

The Bernoulli ventilation device 6 comprises a Bernoulli universal air inlet 6-1, a Bernoulli air outlet 6-2 and a ventilation pipe 6-3, wherein the Bernoulli universal air inlet 6-1 and the Bernoulli air outlet 6-2 are respectively arranged on the Bernoulli ventilation pipe connectors 3-4 on the left water inlet and outlet auxiliary device 3 and the right water inlet and outlet auxiliary device 3; in daily life, a water blocking plate 1-1 of a basic water blocking device 1 horizontally covers a base 1-2, the base 1-2 is relatively humid and is easy to rot the parts such as the elastic yellow parts and the silicon rubber of the base 1-2, a Bernoulli ventilation device 6 is arranged to ventilate the inside of the base 1-2, the humidity is reduced, and the effective service life of various parts is prolonged.

The supplementary water arrester 7 is divided into a large size, a medium size and a small size, wherein the mechanical structures and the external dimensions of the large size and the medium size except the width are completely consistent with those of the basic water arrester 1, the width of the large size supplementary water arrester 7 is 1/2 of the basic water arrester 1, and the width of the medium size supplementary water arrester 7 is 1/4 of the basic water arrester 1; the small-size supplementary water arrester 7 is 1/8 of the basic water arrester 1 in width, and mainly comprises a water arresting plate 7-1, a base 7-2, a limiting tension rope 7-3 and a matched soft leakproof water sealing strip, a water-non-distribution buoyancy lock 1-4, an initial angle spring leaf 1-5, and mechanical dimensions such as holes, grooves and the like on the base 7-2 are completely consistent with those of the base 1-2 of the basic water arrester 1.

The supplementary unlocking device 8 is arranged in the water storage tank 5-2 and comprises a buoyancy tank 8-1, a buoyancy lever 8-2, a supplementary tension rope 8-3, a telescopic tension rope fixing rubber sleeve 8-4, a fixing frame 8-5 and a lever rotating point 8-6. The buoyancy lever 8-2 can rotate around a lever rotating point 8-6, one end of the buoyancy lever is fixed with a buoyancy tank 8-1, a supplementary tension rope 8-3 is tied on the rod, the buoyancy tank 8-1 rises along with the rising of the accumulated water surface in the tank, the supplementary tension rope 8-3 and the tension rope 2-1 in the manual unlocking device 2 are driven to unlock the buoyancy lock 1-4; the accumulated water in the box is reduced, and the buoyancy lock 1-4 is gradually reset; the invention is provided with a buoyancy tank 8-1, a floating unlocking water level line at the top end of a base inclined plane 1-2-2 in a basic water arrester 1.

The water blocking system for flood control of the underground places is arranged at the higher part of the terrain at the entrance of the underground places needing flood control, rainwater cannot flow into the system in a large amount under the condition that no accumulated water exists at the periphery of the rainstorm weather, the water blocking system for flood control of the underground places cannot be started, and normal entrance and exit of vehicles and personnel are not influenced; the ground is basically horizontal, the number of the basic water interceptors 1 and the types of the supplementary water interceptors 7 are determined according to the distance between the walls at two sides of an inlet, the total length of the combined water intercepting dam is slightly less than the distance between the walls at two sides, the rest gaps are filled by adjusting telescopic water intercepting plates 4-5, and the combined water intercepting dam is arranged at a second position of the wall if a small supplementary water interceptor 7 is selected; a silicon rubber sealing strip is transversely paved on the ground and is embedded on a sealing strip notch 1-2-4 at the bottom of a base 1-2, basic water stoppers 1 are spliced one by one, each time the basic water stoppers are installed, anti-seepage glue is needed to be applied on the ground at two sides of a base plate 1-2-11 of the base 1-2, and a plurality of basic water stoppers 1 and supplementary water stoppers 7 are installed, and then pull ropes 2-1 in a manual unlocking device 2 are connected in series to form a line; when the water blocking plate 1-1 horizontally covers the base 1-2, the total height of the basic water blocking device 1 is about 60mm, and the traffic of various vehicles is not influenced.

The invention has the beneficial effects that:

the invention effectively prevents small water on the ground from flowing into the entrance slope ground of the underground place, and ensures the daily drying of the ground; the secondary automatic starting setting is adopted, so that the dam is ensured to be automatically erected when meeting the heavy water, and the flood control safety is improved; automatically discharging accumulated water in the system after the large water is removed; the water pressure is utilized to ensure that the water blocking system does not overturn and reverse the dam, the Bernoulli ventilation device frequently ventilates the interior of the equipment, the humidity is reduced, and the effective service life of various devices is prolonged; all equipment devices in the system are manufactured and molded in a production site, cutting and reconstruction are not needed in an installation site, the installation speed is high, the whole system is small and exquisite, and personnel and vehicle passing is not influenced. The invention realizes the purpose and has beneficial effects on flood control and water prevention of all the effects of various places.

Drawings

Fig. 1 is a schematic view of the overall structure of a flood barrier system for underground sites according to the present invention.

Fig. 2 is a schematic view of the basic water trap structure of the present invention.

Fig. 3 is a schematic view of the starting angle structure of the basic water barrier of the present invention.

Fig. 4 is a schematic view of the water buoyancy lock structure of the present invention.

Fig. 5(a) is a cross-sectional view of a base in a basic water trap in the present invention.

Fig. 5(b) is a bottom view of the basic water trap of the present invention.

Fig. 6(a) is a schematic layout of the manual unlocking device in the basic water arrester.

Fig. 6(b) is a schematic view of the arrangement of the manual unlocking device in the water-floating lock.

Fig. 7 is a schematic structural view of the water inlet and outlet auxiliary device in the invention.

Fig. 8(a) is a bottom sectional view of the water inlet/outlet assist device of the present invention.

Fig. 8(b) is a side sectional view of the water inlet/outlet auxiliary device of the present invention.

FIG. 9 is a schematic view of the structure of the wall leakage preventing device of the present invention.

FIG. 10(a) is a schematic view of the leakproof sheet and the leakproof rubber sleeve for the wall of the present invention.

FIG. 10(b) is a schematic view of the blade leakage prevention mechanism of the present invention.

FIG. 10(c) is a schematic view of the leakage preventing gel column in the present invention.

Fig. 11(a) is a schematic structural view of the automatic drainer for small running water in the present invention.

Fig. 11(b) is a sectional view showing the internal structure of the automatic drainer for small running water according to the present invention.

Fig. 12 is a schematic view of the structure of the supplemental unlocking device of the present invention.

Fig. 13(a) is a schematic view of the air inlet structure of the bernoulli ventilating device in the present invention.

Fig. 13(b) is a schematic view of the outlet structure in the bernoulli ventilating device according to the present invention.

Fig. 14 is a schematic view of a small size supplementary water trap according to the present invention.

FIG. 15(a) is a view showing a structure of a water deflector according to the present invention.

Fig. 15(b) is a front view of the water deflector of the present invention.

FIG. 16(a), (b) and (c) are schematic diagrams of key water sites and their corresponding relationships in the present invention.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

the invention relates to a water blocking system for fighting flood in underground places, which comprises a plurality of basic water blocking devices 1, a manual unlocking device 2, two water inlet and outlet auxiliary devices 3, two wall side leakage-proof devices 4, two small-flow automatic water discharging devices 5, a Bernoulli ventilating device 6, a plurality of sets of supplementary water blocking devices 7 and a supplementary unlocking device 8. The structure is shown in fig. 1 and 11 (b).

Example 1

The basic water arrester 1 comprises a water arresting plate 1-1, a base 1-2, a limiting tension rope 1-3, a water buoyancy lock 1-4 and an initial angle spring leaf 1-5. The structure is shown in fig. 2.

The water blocking plate 1-1 comprises a lock catch 1-1-1 fixed on a water blocking main plate, sealing strip grooves 1-1-2 embedded with soft leakproof water sealing strips on two sides of the water blocking main plate, reinforcing ribs 1-1-3 on the bottom surface of the water blocking main plate, a rotating shaft hole 1-1-4 in the bottom end of the water blocking main plate, connecting and fixing holes 1-1-5 for two adjacent water blocking plates 1-1 and antiskid sand grains 1-1-6. The structure is shown in fig. 2, 15(a), and 15 (b).

The water-blocking main board is made of light metal materials with low density, high rigidity and low material price, the sealing strip groove 1-1-2 is arranged on the inner side of the water-blocking main board and is the same as the lock catch 1-1-1, and when the water-blocking main board is horizontally covered, the sealing strip groove is hidden in the base 1-2 to prevent the sealing strip groove from being damaged by foreign objects; the fixing holes 1-1-5 are arranged at the corners of the upper ends of the front sides of the water-stopping main boards, and the two water-stopping main boards are connected and fixed by metal sheets to prevent the flexible water-leakage-proof sealing strips at the back from being broken when the erection time of the two adjacent water-stopping main boards is different.

The base 1-2 comprises a plurality of bearing beams 1-2-1, slopes 1-2-2 at two ends and base plates 1-2-11. The structure is shown in fig. 2, 5(a), 5(b), and 9.

The base 1-2 is an integral body, the load-bearing beam 1-2-1 is aligned with the longitudinal reinforcing rib 1-1-3 on the bottom surface of the water-blocking main board, when the water-blocking main board horizontally covers the base 1-2, the load-bearing beam 1-2-1 is completely contacted with the reinforcing rib 1-1-3, and the number of the load-bearing beam 1-2-1 is determined according to the total width and load-bearing load of the water-blocking board 1-1; the load-bearing beam 1-2-1 is provided with a plurality of fixing holes 1-2-5 for fixing two adjacent basic water interceptors 1, the bottom of the load-bearing beam 1-2-1 is provided with a water flow through hole 1-2-6, and a starting spring 1-2-7 fixed with the base plate 1-2-11 is arranged between the load-bearing beams 1-2-1; a water inlet channel 1-2-3, a ground water flow channel 1-2-3-1 and a large water channel 1-2-3-2 are arranged at the tip of the bottom of a slope 1-2-2 on the side of water blocking, the three channels are communicated with each other, the large water channel 1-2-3-2 is positioned above the horizontal line of the ground water flow channel 1-2-3-1 and inclines upwards, and the ground water flow channel 1-2-3-1 is transversely arranged; fixing holes 1-2-8 are formed in the two slopes; a rotating shaft seat 1-2-10 matched with a rotating shaft hole 1-1-4 at the bottom end of the water-blocking main board is arranged on the frame above the base plate 1-2-11; on the bottom surface of the base plate 1-2-11, a seal groove 1-2-4 embedded with a seal strip and parallel to the ground water flow passage 1-2-3-1 and air passages 1-2-12 and 1-2-13 are arranged, and an air passage outlet 1-2-14 is arranged on a base 1-2 of a basic water arrester 1 at the most edge.

Embedding a sealing strip between the ground and the sealing strip notch 1-2-4 to prevent water on the ground from seeping into the base from the bottom of the base; the base is a whole, the turning fulcrum of the basic water arrester 1 is 1-2-9 at the tip of the rear slope, the pressure moment of water on the base plate 1-2-11 is far greater than the horizontal thrust moment, the basic water arrester 1 is stable, and the fixing holes 1-2-8 and the fixing gongs on the ground only block the horizontal tangential movement of the basic water arrester 1; the large water channel 1-2-3-2 is arranged in an inclined upward slope, so that dust is effectively prevented from entering and blocking the large water channel for a long time.

One end of the limiting tension rope 1-3 is fixed on the water baffle 1-1, the other end is fixed on the base 1-2 and is composed of a metal chain, and the total length of the limiting tension rope is the length of a straight line connecting two points when the water baffle 1-1 is vertical to the base 1-2. The structure is shown in fig. 2.

The water buoyancy lock 1-4 comprises a buoyancy lock catch 1-4-1, a lock sleeve 1-4-2, a buoyancy mark 1-4-3 and a lock catch rotating shaft 1-4-4. The structure is shown in fig. 4.

The buoyancy lock 1-4 is fixed on the base 1-2, and the shape of the tooth of the buoyancy lock catch 1-4-1 is matched with the tooth of the lock catch 1-1-1 on the water-blocking main board; the buoyancy mark 1-4-3 has a certain weight, the average density is less than the water density, when there is no water buoyancy, the buoyancy lock catch 1-4-1 can tightly lock the lock catch 1-1-1 on the water blocking main board under the action of lever, and ensure that the water blocking main board 1-1 is horizontally covered on the base 1-2, when there is water, the buoyancy mark 1-4-1 can float on the water surface, the buoyancy mark 1-4-3 rises along with the rise of water level, until the buoyancy lock catch 1-4-1 is separated from the lock catch 1-1-1 on the water blocking main board, the water blocking board 1-1 is quickly bounced up, the invention preferentially selects the plastic with low density to make the hollow stick, the metal sheet with high density is arranged in the hollow stick, the spring sheet 1-5 elasticity of the initial angle spring sheet is used for starting the spring 1-2-7, The length and the weight of the buoyancy arm of the buoyancy mark 1-4-3 are determined by the shape of the tooth of the buoyancy lock catch 1-4-1 and the conditions of the power arm and the resistance arm.

is water density, L₀The water level continues to rise as the vertical height of the main water blocking plate is the vertical height, and the water blocking plate 1-1 is gradually erected until the water blocking plate reaches a limiting vertical state; the invention preferentially selects and sets two initial angle spring pieces 1-5. The structure is shown in fig. 3.

The small ground water in front of the basic water arrester 1 flows to the inclined plane 1-2-2, is blocked by the sealing strip embedded in the sealing strip notch 1-2-4, flows into the inlet 1-2-3, flows to two sides through the ground water diversion channel 1-2-3-1 in the slope, and ensures that the ground behind the basic water arrester 1 is dry; in sudden heavy rain, the front of the basic water arrester 1 is largeAccumulating water, rising water level, entering water flow into the base through the inlet 1-2-3 and the large water channel 1-2-3-2, gradually rising the buoyancy mark 1-4-3 of the water buoyancy lock 1-4 until the buoyancy lock catch 1-4-1 is separated from the lock catch 1-1-1 on the water blocking main plate, rapidly bouncing the water blocking plate 1-1, bouncing the water blocking plate 1-1 to the initial angle α 1-2-14 under the action of the initial angle spring leaf 1-5, wherein the initial angle α 1-2-14 is slightly larger than the balance angle α of water pressure and gravity when the water is flooded to the central horizontal line of the main water blocking plate₀After the water level rises to the central horizontal line of the main water retaining plate, the water retaining plate 1-1 is gradually erected until reaching a limiting vertical state and is pulled by a limiting tension rope 1-3.

Example 2

The invention is provided with a three-stage unlocking facility, and is also provided with a manual unlocking device 2 and a supplementary unlocking device 8 besides the automatic unlocking of the water buoyancy locks 1-4.

The manual unlocking device 2 comprises a tension rope 2-1, a return spring 2-2, an unlocking plate 2-3, a tension rope pulley 2-5 and a tension rope handle 2-4, wherein the unlocking plate 2-3 is provided with an unlocking inclined plane 2-3-1 and a track groove 2-3-2; the track groove 2-3-2 is assembled on a track limiting nail 1-4-5 in the buoyancy lock 1-4, the unlocking inclined plane 2-3-1 is tightly attached below the cross rod of the buoyancy mark 1-4-3, one end of the tension rope 2-1 and one end of the reset spring 2-2 are fixed with the unlocking plate 2-3, and the other end of the reset spring 2-2 is fixed with the base. The structure is as shown in fig. 6(a) and fig. 6(b)

Pulling the pull rope handle 2-4, unlocking the inclined plane 2-3-1, lifting the buoyancy mark 1-4-3, unlocking the water blocking main board 1-1 and the base 1-2, releasing the pull rope handle 2-4, resetting the unlocking board 2-3 by the reset spring 2-2, and resetting the buoyancy mark 1-4-3; each basic water arrester 1 is provided with a tension rope 2-1, a reset spring 2-2 and an unlocking plate 2-3, a tension rope pulley 2-5, a tension rope handle 2-4 and a supplementary tension rope 8-3 of another supplementary unlocking device 8 are added in one basic water arrester 1 in the whole system, the tension ropes 2-1 on all bases are connected into a whole, the base turns to the tension rope handle 2-4 through the tension rope pulley 2-5, and all the buoyancy locks 1-4 can be unlocked simultaneously by pulling the tension rope handle 2-4; the tension rope 2-1 is fixedly connected with the supplementary tension rope 8-3 before the tension rope pulley 2-5 turns.

The complementary unlocking device 8 is arranged in the water storage tank 5-2 and comprises a buoyancy tank 8-1, a buoyancy lever 8-2, a complementary tension rope 8-3, a telescopic tension rope fixing rubber sleeve 8-4, a fixing frame 8-5 and a lever rotating point 8-6, wherein the buoyancy lever 8-2 can rotate around the lever rotating point 8-6, one end of the buoyancy tank 8-1 is fixed, and the complementary tension rope 8-3 is tied on a rod. The structure is shown in fig. 11(b) and 12.

The buoyancy tank 8-1 rises along with the rising of the accumulated water surface in the tank, and drives the supplementary tension rope 8-3 and the tension rope 2-1 in the manual unlocking device 2 to unlock the buoyancy lock 1-4; the accumulated water in the box is reduced, and the buoyancy lock 1-4 is gradually reset; the invention is provided with a buoyancy tank 8-1, a floating unlocking water level line at the top end of a base inclined plane 1-2-2 in a basic water arrester 1.

According to the invention, three-level unlocking facilities are arranged to deal with the accident situation caused by the long-term aging of system facilities, and when the automatic unlocking of the water buoyancy locks 1-4 is failed, the supplementary unlocking device 8 supplements the automatic unlocking; when the supplementary unlocking device 8 also fails, the manual unlocking device 2 is operated to unlock the water buoyancy locks 1-4 to enable the water retaining plates 1-1 to bounce for water retaining. Through setting up tertiary unblock facility, ensured the reliability of this system in flood fighting water blocking.

Example 3

The invention relates to a water inlet and outlet auxiliary device 3.A device body is provided with a ground water diversion channel 1-2-3-1, a seal groove opening 1-2-4, a fixing hole 1-2-5, a water flow through hole 1-2-6, a large water outflow groove 3-1, a ground water outflow groove 3-2, a large water inflow channel 3-3, a Bernoulli ventilation pipe interface 3-4 and a large and small water outlet 3-5 which are matched with a base 1-2. The water inlet and outlet auxiliary device 3 is an integral body, the length and the height of the water inlet and outlet auxiliary device are consistent with those of the base, the ground water flow passage 1-2-3-1, the seal groove opening 1-2-4, the fixing hole 1-2-5 and the water flow through hole 1-2-6 are respectively aligned with the base, the ground water flow passage 1-2-3-1 is communicated with the ground water outlet groove 3-2, the large water inflow passage 3-3 is communicated with the water flow through hole 1-2-6 and the large water outlet groove 3-1, the inlet of the large water inflow passage 3-3 inclines forwards, and the passage inclines upwards in the process. The structure is shown in fig. 7, 8(a), and 8 (b).

The water inlet and outlet assistor 3 is arranged at two sides of a left base 1-2 and a right base 2 of a water retaining dam combined by a plurality of basic water retainers 1 and supplementary water retainers 7, and is divided into a left water inlet and outlet assistor 3 and a right water inlet and outlet assistor 3 which are symmetrical; the ground water flowing out of each base 1-2 is collected into a ground water outflow groove 3-2 in the water inflow and outflow auxiliary device 3 and flows to lower-level equipment; sudden heavy rain, the water level rises, the heavy water flows in from the water inlet channel 1-2-3 of the base 1-2, enters the base through the heavy water channel 1-2-3-2, the water baffle plate 1-1 and the water buoyancy lock 1-4 are separated and bounce rapidly, if the water inlet channel 1-2-3 on the base 1-2 is blocked by dust and the like, the heavy water can flow into each base 1-2 from the heavy water inlet channel 3-3 due to the special design of the heavy water inlet channel 3-3 in the water inlet and outlet auxiliary device 3, the water baffle plate 1-1 and the water buoyancy lock 1-4 can be separated and bounce rapidly and stand up, and the heavy water inlet channels of the two ways ensure that the water baffle plate 1-1 bounces and stands up when the heavy water is delivered; after the large water is removed, the accumulated water in each base 1-2 can be collected from the water through holes 1-2-6 and flows into the large water outflow groove 3-1 in the water inflow and outflow auxiliary device 3 to flow to the next equipment.

Example 4

The wall edge leakage-proof device 4 comprises a wall leakage-proof circular plate 4-1, a leakage-proof scraper 4-2, a leakage-proof rubber column 4-3, a leakage-proof rubber sleeve 4-4 and a telescopic water-retaining plate 4-5. The structure is shown in fig. 9, 10(a), 10(b), and 10 (c).

The wall edge leakage-proof devices 4 are arranged at the joints of the left and right sides of the water retaining system for fighting flood in underground places and the wall, and are divided into a left wall edge leakage-proof device 4 and a right wall edge leakage-proof device 4 which are symmetrical; the wall leakproof circular plate 4-1 and the leakproof rubber sleeve 4-4 are integrated and fixed on the wall; the leakage-proof rubber sleeve 4-4 is vertically arranged, the bottom of the leakage-proof rubber sleeve 4-4 is tightly contacted with the water inlet and outlet auxiliary device 3, and the gap is filled with cement and leakage-proof rubber; the thick edge 4-2-1 of the anti-leakage scraper 4-2 is fixed on the edge 4-5 of the telescopic water baffle plate; the radius of the outer semi-circle of the leakage-proof rubber column 4-3 is equal to the radius of the inner semi-circle of the leakage-proof rubber sleeve 4-4, and the leakage-proof rubber column is fixed on the back of the telescopic water baffle 4-5; the length of the telescopic water retaining plate 4-5 is consistent with that of the water retaining plate 1-1, the width of the telescopic water retaining plate is 1/16+ the width of the water inlet and outlet auxiliary device 3 + the length of the telescopic fixing plate 4-5-1, and the telescopic fixing plate 4-5-1 is provided with a screw fixing telescopic groove 4-5-2.

A telescopic water baffle 4-5 provided with a leakproof scraper knife 4-2 and a leakproof glue column 4-3 is fixed on the water baffle 1-1 of the basic water baffle 1, the fixed position of a screw fixing telescopic groove 4-5-2 is adjusted according to the distance between a water baffle system and a wall leakproof circular plate 4-1, the knife edge 4-2-2 of the leakproof scraper knife 4-2 is ensured to be tightly contacted with the wall leakproof circular plate 4-1 and can rotate freely, and the leakproof glue column 4-3 and the leakproof glue sleeve 4-4 can be completely sleeved and matched when the telescopic water baffle 4-5 is vertical; the wall leakproof circular plate 4-1 is made of a stainless steel plate, the outer surface of the wall leakproof plate is subjected to hydrophobic treatment, the leakproof knife 4-2 is made of silicon rubber or a stainless steel sheet with larger elasticity, and the leakproof rubber column 4-3 and the leakproof rubber sleeve 4-4 are made of silicon rubber.

Example 5

The invention relates to a small running water automatic drainer 5, which comprises a water diversion connecting pipe 5-1, a water storage tank 5-2, a drain pipe 5-3, a water level switch 5-4, a water level switch 5-5, a water suction pump 5-6, a water outlet 5-7 and a flood alarm 5-8, wherein the small running water automatic drainer 5 is a fully sealed tank capable of bearing certain water pressure, the water level switch 5-5 is on the same horizontal line with the ground, the water outlet 5-7 is slightly higher than the highest plate edge of a water baffle plate 1-1 when vertical, the water discharge of the water suction pump 5-5 in unit time is larger than the ground water inflow and smaller than the large water inflow, the water level switch 5-4 is a normally open type switch, the water level switch 5-5 is a normally closed type switch, and a supplementary unlocking device 8 is also installed in the water storage tank 5-. The structure is shown in fig. 11(a) and 11 (b).

The small running water automatic drainer 5 is arranged behind the large and small water outlets 3-5 of the water inlet and outlet auxiliary device 3, is divided into a left small running water automatic drainer 5 and a right small running water automatic drainer 5 which are symmetrical and fixed on the walls at two sides of the slope of the underground place; after small daily water on the ground is intercepted by the basic water interceptor 1, the small daily water is collected to the water inlet and outlet auxiliary device 3 through the ground water flow channel 1-2-3-1 and flows into the water storage tank 5-2, and when water is accumulated in the water storage tank 5-2 to the water level switch 5-4, the water pump 5-6 starts to pump water; when large water generated at the periphery is intercepted, a large amount of water flows into the water storage tank 5-2, the water level rises to the water level switch 5-5, the circuit is disconnected, meaningless water pumping is stopped, and the flood alarm 5-8 starts alarming; when the large peripheral water is removed, the stored water in the water storage tank 5-2 is poured back to the periphery, the water level is reduced to the water level switch 5-5 and the power is restored, the flood alarm 5-8 stops alarming, the water pump 5-5 starts pumping water, and the accumulated water in the base 1-2 flows into the water storage tank 5-2 and is drained; when the water level in the water storage tank 5-2 is reduced to the water level switch 5-4, the circuit is powered off, and the water pump 5-5 stops pumping water.

In the invention, a plurality of water level points in a basic water interceptor 1 and a plurality of water level points in a small running water automatic drainer 5 have corresponding relations, namely 9-1 of a water level point where large water in a base 1-2 starts to flow into the base, 9-2 of an unlocking water level point of a water buoyancy lock 1-4, 9-3 of a highest water level point of the base 1-2, 9-4 of a highest edge water level point when a water interceptor 1-1 is vertical, 9-5 of a water pumping water level point when a water pump 5-5 in the small running water automatic drainer 5 starts to pump water, 5-5 of the water pump stops (or starts) to pump water, 9-6 of an alarm point when a flood alarm 5-8 starts (stops), 9-7 of an unlocking water level point of a supplementary unlocking device 8 and 9-8 of a water outlet 5-7 of the small running water automatic drainer 5, wherein 9-8 is slightly higher than a 9-4 horizontal line, and, 9-7 is at the same level as 9-3 and 9-6 is at the same level as 9-2. The schematic positions of the water level points are shown in fig. 16(a) and 16(c), and the corresponding relationship is shown in fig. 16 (b).

Example 6

The ventilating device 6 comprises a Bernoulli universal air inlet 6-1, a Bernoulli air outlet 6-2 and a ventilating pipe 6-3, wherein the Bernoulli universal air inlet 6-1 and the Bernoulli air outlet 6-2 are respectively arranged on the Bernoulli ventilating pipe connectors 3-4 on the left water inlet and outlet auxiliary device 3 and the right water inlet and outlet auxiliary device 3. The structure is shown in fig. 7, fig. 13(a), and fig. 13 (b).

The Bernoulli ventilation pipe joints 3-4 on the water inlet and outlet auxiliary device 3 are communicated with the water flow through holes 1-2-6 in the base 1-2 of the basic water arrester 1, external natural wind enters from the Bernoulli universal air inlet 6-1 and flows out from the Bernoulli air outlet 6-2 through the Bernoulli ventilation pipe joints 3-4 at one end, the water flow through holes 1-2-6 and the Bernoulli ventilation pipe joints 3-4 at the other end. In daily life, the water blocking plate 1-1 of the basic water blocking device 1 horizontally covers the base 1-2, the base 1-2 is relatively wet and is easy to rot devices such as springs and silicon rubber of the base 1-2, and the Bernoulli ventilation device 6 is arranged to ventilate the inside of the base 1-2, reduce humidity and prolong the effective service life of various devices.

Example 7

The supplementary water arrester 7 is divided into a large size, a medium size and a small size, wherein mechanical components, mechanical structures and overall dimensions of the large size and the medium size except for the width are completely consistent with those of the basic water arrester 1, the width of the large size supplementary water arrester 7 is 1/2 of the basic water arrester 1, and the width of the medium size supplementary water arrester 7 is 1/4 of the basic water arrester 1; the small-size supplementary water arrester 7 is 1/8 of the basic water arrester 1 in width, and only comprises a water arresting plate 7-1, a base 7-2, a limiting tension rope 7-3 and a matched soft leakproof water sealing strip, a water-free buoyancy lock 1-4 and an initial angle spring leaf 1-5 are arranged, and the mechanical dimensions of the length and the body of the base 7-2, such as holes, grooves and the like, are completely consistent with those of the base 1-2 of the basic water arrester 1. The structure of the small-size supplementary water arrester 7 is shown in fig. 14.

The width of the entrance of each underground place is not only the same, the possibility that the width is just an integer of the basic water arrester 1 is very small, three supplementary water arresters 7 of a large size, a medium size and a small size are selected for filling according to the distance allowance at the moment, and the system is tightly matched with the wall surface by adjusting the fixed positions of the telescopic water arresting plates 4-5; because the longitudinal specifications of the water traps are consistent, the installation is compact, the construction is convenient, and the trouble of cutting and manufacturing the matching device on the construction site is avoided.

The water blocking system for flood control of the underground places is arranged at the higher part of the terrain at the entrance of the underground places needing flood control, rainwater cannot flow into the system in a large amount under the condition that no accumulated water exists at the periphery of the rainstorm weather, the water blocking system for flood control of the underground places cannot be started, and normal entrance and exit of vehicles and personnel are not influenced; the number of the basic water traps 1 and the types of the supplementary water traps 7 are determined according to the distance between the two walls at the inlet, so that the total length of the combined water blocking dam is slightly smaller than the distance between the two walls, and the rest gaps are filled by adjusting telescopic water blocking plates 4-5, for example: the width of the water blocking plate 1-1 of the basic water blocking device 1 is 1000mm, the width of the water inlet and outlet auxiliary device 3 is 100mm, the width of the manufactured large, medium and small supplementary water blocking devices 7 must be 500mm, 250mm and 125mm, the width of the telescopic water blocking plate 4-5 must be more than 200mm, if the distance between the walls at two sides is 12536mm, 12 basic water blocking devices 1 and 1 supplementary water blocking devices 7 with 250mm are selected, the distance between the allowance at two sides is 143mm respectively, the distance between the water blocking plates is filled by the telescopic water blocking plates 4-5, the distance between the water inlet and outlet auxiliary device 3 on the ground and the walls is 43mm respectively, and the space is filled and sealed by concrete and leakage-proof glue.

If a small supplementary water arrester 7 is selected, the small supplementary water arrester is arranged at a second position close to the wall and is driven to start by two adjacent water arresting plates 1-1; a silicon rubber sealing strip is transversely paved on the ground and is embedded on a sealing strip notch 1-2-4 at the bottom of a base 1-2, the water stoppers 1 are basically spliced one by one, and anti-seepage glue is applied to the ground at two sides of a base plate 1-2-11 of the base 1-2 when each water stopper is installed; after a plurality of basic water interceptors 1 and supplementary water interceptors 7 are installed, tension ropes 2-1 in a manual unlocking device 2 and supplementary tension ropes 8-3 in a supplementary unlocking device 8 are connected into a whole; when the water blocking plate 1-1 horizontally covers the base 1-2, the total height of the basic water blocking device 1 is about 60mm, and the traffic of various vehicles is not influenced.

Although the terms basic water arrester, base, water buoyancy lock, initial angle leaf spring, manual unlocking, supplemental water arrester, pannous universal air intake, pannous air outlet, wall leak-proof garden board, leak-proof rubber sleeve, telescoping water arrester, etc. 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

1. A water-damming system for use in a subterranean location for combating floods, comprising: the water blocking device comprises a plurality of basic water blocking devices 1, a manual unlocking device 2, two water inlet and outlet auxiliary devices 3, two wall-side leakage-proof devices 4, two small-flow water automatic drainers 5, a Bernoulli ventilating device 6, a plurality of sets of supplementary water blocking devices 7 and a supplementary unlocking device 8, and is characterized in that: the dam comprises water retaining plates 1-1, bases 1-2, limiting tension ropes 1-3, water buoyancy locks 1-4, initial angle leaf springs 1-5, and a plurality of basic water retainers 1, supplementary water retainers 7 and wall edge leakage-proof devices 4 which are spliced to form the dam, wherein in daily life, the basic water retainers 1 and the supplementary water retainers 7 are closed and horizontally laid at an entrance of an underground place, and the dam is automatically opened to resist water and flood when meeting heavy water.

2. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the water baffle 1-1 comprises a lock catch 1-1-1 fixed on a water baffle main board, a sealing strip groove 1-1-2 embedded with a soft leakproof sealing strip on two sides of the water baffle main board, a reinforcing rib 1-1-3 on the bottom surface of the water baffle main board, a rotating shaft hole 1-1-4 at the bottom end of the water baffle main board, and connecting and fixing holes 1-1-5 for two adjacent water baffles 1-1, the water-retaining main board is made of light metal materials with low density, high rigidity and low material price, the sealing strip groove 1-1-2 is arranged at the edge of the back side of the water-retaining main board, the corner of the upper end of the front side of the water-retaining main board is provided with a fixing hole 1-1-5 and an anti-skid convex strip 1-1-6, the two water-blocking main boards are connected and fixed by metal sheets on the fixing holes 1-1-5.

3. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the base 1-2 comprises a plurality of bearing beams 1-2-1, slopes 1-2-2 at two ends and a base plate 1-2-11, the base 1-2 is an integral body, the bearing beams 1-2-1 are aligned with longitudinal reinforcing ribs 1-1-3 on the bottom surface of the water blocking main plate, when the water blocking main plate horizontally covers the base 1-2, the bearing beams 1-2-1 are completely contacted with the reinforcing ribs 1-1-3, and the number of the bearing beams 1-2-1 is determined according to the total width of the water blocking plate 1-1 and the bearing load; the load-bearing beam 1-2-1 is provided with a plurality of fixing holes 1-2-5 for fixing two adjacent basic water interceptors 1, the bottom of the load-bearing beam 1-2-1 is provided with a water flow through hole 1-2-6, and a starting spring 1-2-7 fixed with the base plate 1-2-11 is arranged between the load-bearing beams 1-2-1; a water inlet channel 1-2-3, a ground water flow channel 1-2-3-1 and a large water channel 1-2-3-2 are arranged at the tip of the bottom of a slope 1-2-2 on the side of water blocking, the three channels are communicated with each other, the large water channel 1-2-3-2 is positioned above the horizontal line of the ground water flow channel 1-2-3-1 and inclines upwards, and the ground water flow channel 1-2-3-1 is transversely arranged; fixing holes 1-2-8 are formed in the two slopes; a rotating shaft seat 1-2-10 matched with a rotating shaft hole 1-1-4 at the bottom end of the water-blocking main board is arranged on the frame above the base plate 1-2-11; on the bottom surface of the base plate 1-2-11, a seal groove 1-2-4 embedded with a seal strip and parallel to the ground water flow passage 1-2-3-1 and air passages 1-2-12 and 1-2-13 are arranged, and an air passage outlet 1-2-14 is arranged on a base 1-2 of a basic water arrester 1 at the most edge.

4. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: one end of the limiting tension rope 1-3 is fixed on the water baffle 1-1, the other end is fixed on the base 1-2 and is composed of a metal chain, and the total length of the limiting tension rope is the length of a straight line connecting two points when the water baffle 1-1 is vertical to the base 1-2.

5. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the water buoyancy lock 1-4 comprises a buoyancy lock catch 1-4-1, a lock sleeve 1-4-2, a buoyancy mark 1-4-3, a lock catch rotating shaft 1-4-4 and a manual unlocking device track limiting nail 1-4-5, wherein the buoyancy lock 1-4 is fixed on a base 1-2, and the installation position is determined by that when the lock catch 1-1-1 on the water blocking main plate is locked, the water blocking main plate is exactly horizontally covered on a bearing beam 1-2-1 of the base; the shape of the buoyancy lock catch 1-4-1 is matched with that of the lock catch 1-1-1 on the water-blocking main board; the buoyancy mark 1-4-3 has a certain weight, the average density is less than the water density, when there is no water buoyancy, the buoyancy lock catch 1-4-1 is enough to tightly lock the lock catch 1-1-1 on the water blocking main board under the action of lever to ensure that the water blocking main board 1-1 is horizontally covered on the base 1-2, when there is water, the buoyancy mark 1-4-1 can float on the water surface, the buoyancy mark 1-4-3 rises along with the rise of the water level until the buoyancy lock catch 1-4-1 is separated from the lock catch 1-1-1 on the water blocking main board, the water blocking main board 1-1 is rapidly bounced up, the hollow stick is made of plastic with small density, the metal block with large internal encryption degree is made of metal, the spring leaf 1-5 elasticity, the starting spring 1-2-7 elasticity, the buoyancy lock catch 1-4-1 tooth shape and the power arm are arranged according to, The length and weight of the buoyancy arm of the buoyancy mark 1-4-3 are determined by the resistance arm condition.

6. The flood barrier system according to claim 1, wherein the initial corner spring strips 1-5 are made of a steel sheet with high rigidity, are confined between the two load beams 1-2-1 of the base 1-2, can be lifted up and down to provide an included angle α 1-2-14 for balancing water pressure and gravity for the initial bounce of the main board 1-1, are configured in the shape of the initial corner spring strips 1-5, are provided in an amount determined by the shape and weight of the main board 1-1 and the included angle α 1-2-14 for the initial bounce of the main board, and are set to be submerged to the central horizontal line of the main board as water pressure and weightIn the position of force equilibrium, the angle α 1-2-14 of the initial spring leaf 1-5 for the initial bounce of the main fence plate must be equal to or greater than α₀，

is water density, L₀The water level continues to rise as the vertical height of the main water blocking plate is the vertical height, and the water blocking plate 1-1 is gradually erected until the water blocking plate reaches a limiting vertical state; two initial angle spring pieces 1-5 are preferably provided.

7. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the manual unlocking device 2 comprises a tension rope 2-1, a return spring 2-2, an unlocking plate 2-3, a tension rope pulley 2-5 and a tension rope handle 2-4, wherein the unlocking plate 2-3 is provided with an unlocking inclined plane 2-3-1 and a track groove 2-3-2; the track groove 2-3-2 is assembled on a track limiting nail 1-4-5 in the buoyancy lock 1-4, the unlocking inclined plane 2-3-1 is tightly attached below the cross rod of the buoyancy mark 1-4-3, one end of the tension rope 2-1 and one end of the reset spring 2-2 are fixed with the unlocking plate 2-3, and the other end of the reset spring 2-2 is fixed with the base; the tension rope 2-1, the reset spring 2-2 and the unlocking plate 2-3 are arranged in the base of each basic water arrester 1, and only the last basic water arrester 1 in the whole system is added with the tension rope pulley 2-5, the tension rope handle 2-4 and the supplementary tension rope 8-3 of the other supplementary unlocking device 8; the tension ropes 2-1 on all the bases are connected into a whole, the base turns to the tension rope handles 2-4 through the tension rope pulleys 2-5, and the tension ropes 2-1 are fixedly connected with the supplementary tension ropes 8-3 before the tension rope pulleys 2-5 turn.

8. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the water inlet and outlet assistor 3, the left water inlet and outlet assistor 3 and the right water inlet and outlet assistor 3 are respectively arranged at the left side and the right side of a water retaining dam combined by a plurality of basic water retaining devices 1 and supplementary water retaining devices 7, the left water inlet and outlet assistor 3 is symmetrical to the right water inlet and outlet assistor 3, each water inlet and outlet assistor 3 comprises a ground water diversion channel 1-2-3-1 matched with a base 1-2, a seal notch 1-2-4, a fixing hole 1-2-5, a water flow through hole 1-2-6, a big water outflow channel 3-1, a ground water outflow channel 3-2, a big water inflow channel 3-3, a Bernoulli ventilation pipe joint 3-4, a big water outlet 3-5, a ground water flow channel 1-2-3-1 is communicated with the ground water outflow channel 3-2, the big water inflow channel 3-3 is communicated with the water flow through hole 1-2-6 and the big water outflow groove 3-1, the inlet of the big water inflow channel 3-3 inclines forwards and inclines upwards in the process, the water inlet and outlet auxiliary device 3 is an integral body, the length and the height of the integral body are consistent with those of the base, and the ground water flow channel 1-2-3-1, the seal groove opening 1-2-4, the fixing hole 1-2-5 and the water flow through hole 1-2-6 are respectively aligned with the base.

9. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the wall edge leakage-proof device 4 is divided into a left wall edge leakage-proof device 4 and a right wall edge leakage-proof device 4 which are respectively arranged on the basic water interceptor 1 and the wall at the left side and the right side, and the left wall edge leakage-proof device 4 is symmetrical to the right wall edge leakage-proof device 4; the wall edge leakage-proof device 4 comprises a wall leakage-proof circular plate 4-1, a leakage-proof scraper 4-2, a leakage-proof rubber column 4-3, a leakage-proof rubber sleeve 4-4 and a telescopic water baffle 4-5, wherein the wall leakage-proof circular plate 4-1 and the leakage-proof rubber sleeve 4-4 are integrated and fixed on the wall; the leakage-proof rubber sleeve 4-4 is vertically arranged, the bottom of the leakage-proof rubber sleeve 4-4 is tightly contacted with the water inlet and outlet auxiliary device 3, and the gap is filled with cement and leakage-proof rubber; the thick edge 4-2-1 of the anti-leakage scraper 4-2 is fixed on the edge 4-5 of the telescopic water baffle plate; the radius of the outer semi-circle of the leakage-proof rubber column 4-3 is equal to the radius of the inner semi-circle of the leakage-proof rubber sleeve 4-4, and the leakage-proof rubber column is fixed on the back of the telescopic water baffle 4-5; a telescopic water baffle 4-5 provided with a leakproof wiper 4-2 and a leakproof glue column 4-3 is fixed on the water baffle 1-1 of the basic water baffle 1, a screw is adjusted to fix a telescopic groove 4-5-2, the knife edge 4-2-2 of the leakproof wiper 4-2 is ensured to be tightly contacted with the leakproof circular plate 4-1 of the wall and can freely rotate, and the leakproof glue column 4-3 and the leakproof glue sleeve 4-4 can be completely sleeved and matched when the telescopic water baffle 4-5 is vertical; the leakage-proof circular plate 4-1 of the foundation wall is made of a stainless steel plate, the outer surface of the foundation wall is subjected to hydrophobic treatment, the leakage-proof scraper knife 4-2 is made of silicon rubber or a stainless steel sheet with larger elasticity, the leakage-proof rubber column 4-3 and the leakage-proof rubber sleeve 4-4 are made of silicon rubber, the length of the telescopic water baffle 4-5 is consistent with that of the water baffle 1-1, the width of the telescopic water baffle 4-5 is 1/16+ the water inlet and outlet auxiliary device 3 width + the length of the telescopic fixed plate 4-5-1 of the water baffle 1-1, and the telescopic fixed plate 4-5-1 is provided with a screw fixing telescopic groove 4.

10. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the small running water automatic drainer 5 comprises a water diversion connecting pipe 5-1, a water storage tank 5-2, a drain pipe 5-3, a water level switch 5-4, a water level switch 5-5, a water pump 5-6, a water outlet 5-7 and a flood alarm 5-8, wherein the small running water automatic drainer 5 is a fully sealed tank capable of bearing certain water pressure, the water level switch 5-5 is on the same horizontal line with the ground, the horizontal line of the water outlet 5-7 is slightly higher than the highest plate edge when the water baffle 1-1 is vertical, the water discharge of the water pump 5-5 in unit time is larger than the inflow of the ground water and smaller than the inflow of the large water, the water level switch 5-4 is a normally open type switch, the water level switch 5-5 is a normally closed type switch, a complementary unlocking device 8 is also arranged in the water storage tank 5-2, when the water storage tank 5-2 accumulates water to the water level switch, starting a water pump 5-6 to pump water; when the water level rises to the water level switch 5-5, the circuit is disconnected, the water pumping is stopped, and the flood alarm 5-8 starts alarming; when the water level is reduced to the water level switch 5-5, the power is restored, the flood alarm 5-8 stops alarming, and the water pump 5-5 starts pumping water; accumulated water in the base 1-2 flows into the water storage tank 5-2 to be pumped, the water level is reduced to the water level switch 5-4, the circuit is powered off, and the water pump 5-5 stops pumping water.

11. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the Bernoulli ventilation device 6 comprises a Bernoulli universal air inlet 6-1, a Bernoulli air outlet 6-2 and a ventilation pipe 6-3, wherein the Bernoulli universal air inlet 6-1 and the Bernoulli air outlet 6-2 are respectively arranged on the Bernoulli ventilation pipe connectors 3-4 on the left water inlet and outlet auxiliary device 3 and the right water inlet and outlet auxiliary device 3.

12. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the supplementary water arrester 7 is divided into a large size, a medium size and a small size, wherein the mechanical structures and the external dimensions of the large size and the medium size except the width are completely consistent with those of the basic water arrester 1, the width of the large size supplementary water arrester 7 is 1/2 of the basic water arrester 1, and the width of the medium size supplementary water arrester 7 is 1/4 of the basic water arrester 1; the small-size supplementary water arrester 7 is 1/8 of the basic water arrester 1 in width, and mainly comprises a water arresting plate 7-1, a base 7-2, a limiting tension rope 7-3 and a matched soft leakproof water sealing strip, a water-non-distribution buoyancy lock 1-4, an initial angle spring leaf 1-5, and mechanical dimensions such as holes, grooves and the like on the base 7-2 are completely consistent with those of the base 1-2 of the basic water arrester 1.

13. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the supplementary unlocking device 8 comprises a buoyancy tank 8-1, a buoyancy lever 8-2, a supplementary tension rope 8-3, a telescopic tension rope fixing rubber sleeve 8-4, a fixing frame 8-5 and a lever rotating point 8-6, wherein the buoyancy lever 8-2 can rotate around the lever rotating point 8-6, the buoyancy tank 8-1 is fixed at one end, the supplementary tension rope 8-3 is tied on a rod, the supplementary tension rope is installed in a water storage tank 5-2, and a buoyancy tank 8-1 floating unlocking water level line is arranged at the top end of a base inclined plane 1-2-2 in the basic water arrester 1.

14. A water damming system for a flood fighting subterranean zone according to claim 1, wherein: the water blocking system for fighting flood in underground places determines the number of basic water blocking devices 1 and the types of supplementary water blocking devices 7 according to the distance between the walls at two sides of an entrance, so that the total length of the width of the combined water blocking dam and two small-flow automatic water discharging devices 5 is slightly smaller than the distance between the walls at two sides, and the rest gap is filled by adjusting telescopic water blocking plates 4-5; if a small supplementary water arrester 7 is selected, the water arrester is installed at a second position on the wall.