33results about How to "Improve flood control effect" patented technology

The invention discloses a construction method of an ecological revetment for river bank protection. The construction method comprises the following steps of a, paving a gravel material cushion layer;b, paving geotechnical cloth; c, backfilling a soil layer with the depth of 20-30 cm on the geotechnical cloth, and compacting the soil layer; d, constructing the ecological revetment; and e, placingsoil into ecological planting holes of ecological building blocks, and then growing plants. According to the construction method, the ecological building blocks after construction cannot fall off, sothat the overall performance of the whole ecological revetment is improved, and the flood prevention effect, the ecological effect, the landscape effect and the self-cleaning effect of the ecologicalrevetment are enhanced; and meanwhile, accumulated water on the construction site can flow into the inclined surface parts of the ecological building blocks through filter plates used for lapping withthe building blocks, and the water on the inclined surface parts of the ecological building blocks are discharged into the soil through drainage grooves, so that the earthwork of the construction area which is not paved with the ecological building blocks is prevented from being subjected to micro-amplitude sedimentation phenomenon, the flatness of the excavated earthwork is guaranteed, the ecological building blocks can be conveniently and quickly laid, moreover, the ecological building blocks can be quickly replaced, and the service period of the ecological revetment can be prolonged.

The invention discloses an automatic flood prevention early warning and evacuating system for a waterfront area. A waterborne platform is arranged in the waterfront area. A second-stage flood prevention wall is arranged on the side, far away from water, of the waterborne platform. The automatic flood prevention early warning and evacuating system is characterized in that a sensing device, an alarming device, a monitoring device, an automatic gate device and a control center are included; and the sensing device is a water level sensor, the water level sensor is arranged on a river bank corresponding to the waterborne platform, the alarming device is arranged on the waterborne platform or the second-stage flood prevention wall, the automatic gate device is arranged at the position of a door of the second-stage flood prevention wall, and the control center is in control connection with the sensing device, the alarming device, the monitoring device and the automatic gate device. By means of the automatic flood prevention early warning and evacuating system, traditional manual control over a flood prevention gate is changed to remote automatic control achieved through the control center, manpower and material resources are saved, the control decision is scientific and precise, and therefore potential safety hazards caused by manual operation are avoided; and resources are more flexibly allocated, and the utilization rate of the waterfront area is increased while a better flood prevention effect is achieved.

A quickly-assembled flood control dam mainly comprises main piles, net barrier fixing devices, main pile connecting devices, connecting rods, auxiliary piles, auxiliary pile connecting devices, pin shafts, a net barrier and high-strength waterproof cloth, wherein the main piles are planted against flood; one auxiliary pile is planted behind each main pipe and in a foundation; the main piles are connected and fixed to the auxiliary piles through extension rods; the net barrier is fixed on the main pipes through the net barrier fixing devices; and the high-strength waterproof cloth is arranged on the net barrier. The quickly-assembled flood control dam has the advantages of high flood control labor intensity, high flood control efficiency, good flood control effect and low flood control cost.

The invention relates to the technical field of subway station flood prevention, in particular to a hydrodynamic automatic lifting anti-flooding system. The system comprises a water collecting well and an intercepting ditch which are both buried under the ground of a subway station, wherein the water collecting well communicates with the intercepting ditch, a buoyancy lifting mechanism is arranged in the water collecting well, the bottom of the buoyancy lifting mechanism floats on the water surface of the water collecting well, and the top of the buoyancy lifting mechanism may pass through the ground to intercept flood. The scheme has the characteristics of being better in flood control effect, attractive in appearance, capable of saving manufacturing cost, simple in structure, high in reliability, easy and convenient to operate and convenient to maintain and use; in a normal state, namely in a daily mode, the buoyancy lifting mechanism sinks into the bottom of the water collecting well under self-weight, and the top end of the buoyancy lifting mechanism is just hidden in the water collecting well at the moment; and in the flood control mode, the buoyancy lifting mechanism ascends and extends out of the ground by means of water buoyancy to intercept the flood, the flood is blocked outside and prevented from flowing into the subway station, and the flood control requirement of the subway station is met.

The invention provides a multi-spot water storage flood control method. A plurality of water storage ponds arranged at intervals are constructed on two sides of a water passage, a siphon is communicated between each water storage pond and the water passage, each siphon is made of a pipe with an upper arch, a siphon water injection port is arranged at the highest position of the arch of each siphon, a water injection valve is mounted on each pipe below the corresponding siphon water injection port, an inlet valve is mounted at one end of each siphon, which is close to the water passage, and an outlet valve is mounted at one end of each siphon, which leads to the corresponding water storage pond. The water storage ponds are dispersedly built on two sides of the water passage, the siphons are used for guiding water in the water passage into the water storage ponds, and compared with a method for building a dam or reservoir, the method has the advantages of low investment, short construction period, benefit to sufficient use of water, no ecosystem damage and effective flood control. The multi-spot water storage flood control method is suitable for river flood control and comprehensive water use.

The invention discloses a double-layer anti-flood wall. The double-layer anti-flood wall comprises a concrete foundation wall body. An overturn plate steel deck is arranged on the top of the concrete foundation wall body. The overturn plate steel deck is connected with the concrete foundation wall body through a connecting rotary shaft. A 45-degree included angle is formed between the concrete foundation wall body and the overturn plate steel deck. The bottom of the concrete foundation wall body penetrates through a steel plate and is connected to the upper surface of an expanding material layer through an embedded part. A hard material layer is arranged on the lower surface of the expanding material layer. A filling material layer is arranged on the lower surface of the hard material layer. The filling material layer, the hard material layer and the expanding material layer are combined into an integrated connection structure. The steel plate is provided with a first metal fastener and a second metal fastener. The double-layer anti-flood wall is good in flood prevention effect, can resist floods with different water levels, and is quite convenient to install and use, stable in connection performance and large in impact bearing capacity.

The invention provides a unit assembly type water-filled rubber anti-flood wall and an assembly method of the unit assembly type water-filled rubber anti-flood wall. In a modern city, soil and sand cannot be easily obtained everywhere, environmental-protection recycling of sand bags is difficult after a flood, and a large amount of labor is needed. The unit assembly type water-filled rubber anti-flood wall comprises water-filled rubber units (1). One end of each water-filled rubber unit is provided with a combined structure of a dovetail groove (2) and two mortise and tenon joints (3), and the other end of each water-filled rubber unit is provided with a combined structure of two dovetail grooves (2) and three mortise and tenon joints. The upper end of each water-filled rubber unit is evenly provided with a group of columnar holes (4) which are identical in diameter and depth. The two ends of the upper surface of each water-filled rubber unit are provided with two water inlets (5) identical in diameter. The two sides of the lower end of one side face on the corresponding long edges of each water-filled rubber unit are provided with two water outlets (6) identical in diameter. The unit assembly type water-filled rubber anti-flood wall and the assembly method of the unit assembly type water-filled rubber anti-flood wall are applied to the flood preventing and control field.

The invention discloses a flood control device. The flood control device comprises a protection plate, a waterproof sealing assembly, a side pushing assembly and a positioning assembly, wherein the protection plate is arranged in the middle of a door opening; the waterproof sealing assembly comprises a lower end sealing piece and two side edge sealing pieces which are arranged on the side edges of the protection plate; the side pushing assembly comprises a lower end pushing plate, a side edge pushing plate and a linkage assembly which are arranged on the plate surface of the protection plate in a sliding mode, and the linkage assembly is used for enabling the lower end pushing plate to push the lower end sealing piece and the side edge pushing plate to push the corresponding side edge sealing pieces to the corresponding inner walls of the door opening; and a fixed positioning group of the positioning assembly is a fixed pin which is arranged on the side wall of the protection plate and corresponds to a mounting hole in the inner wall of the door opening, a movable positioning group of the positioning assembly comprises a guide inserting hole, a connecting rod group and a plug pin, the guide inserting hole is formed in the plate surface of the protection plate, the connecting rod group is connected to the side edge pushing plate on one side of the second side edge, and when the side edge pushing plate moves towards the inner wall, the plug pin is inserted into the mounting hole of the corresponding inner wall along the guide inserting hole. According to the flood control device, the flood control efficiency can be improved.

The invention discloses a modular assembled honeycomb space bridge structure. The modular assembled honeycomb space bridge structure is formed by assembling multiple natural honeycomb structure simulated space honeycomb unit structures by using a modular splicing mode; each space honeycomb unit structure is a space hexagonal honeycomb frame consisting of two bilaterally symmetric hexagonal frameworks and six connecting rods for connecting the two hexagonal frameworks; a supporting frame for enhancing the bearing strength of the hexagonal framework is arranged in each hexagonal framework; the space honeycomb unit structures are longitudinally spliced to form a bridge span; the space honeycomb unit structures are transversely spliced to expand the bridge width; and the space honeycomb unit structures are superposed to form a multi-layer form of a bridge. According to the modular assembled honeycomb space bridge structure, by using the natural honeycomb structure simulated space hexagonal structures, the integral appearance is novel and beautiful, the modular assembled honeycomb space bridge structure is well structured, conforms to the bridge design idea in a city and can be preferably integrated into urban architectures and landscapes.

The invention discloses a water conservancy flood prevention plate. The water conservancy flood prevention plate comprises a fixed base, wherein the top of the fixed base is fixedly connected with a flood prevention plate body; a buffer groove is formed in one side of the flood prevention plate body; a buffer hole is formed in the bottom of the inner wall of the buffer groove; the two sides of theend, far away from the buffer hole, of the inner wall of the buffer groove are fixedly connected with supporting plates; the two ends of the side, close to the buffer hole, of each supporting plate are fixedly connected with buffer springs; the center of the side, close to the buffer hole, of each supporting plate is fixedly connected with a telescopic rod; the ends, far away from the supportingplates, of the buffer springs are fixedly connected with buffer plates; the ends, far away from the supporting plates, of the telescopic rods are fixedly connected with the buffer plates; and the bottom of the inner wall of the buffer hole is fixedly connected with a buffer sealing device. The invention relates to the technical field of water conservancy projects. The water conservancy flood prevention plate can effectively reduce the impact force of water flow, and is good in buffer effect, high in flood resistance, not prone to toppling, large in water retaining capacity and convenient to carry.

The invention provides a novel city comprehensive flood prevention system. The system comprises a fixed type landscape flood prevention wall and a mobile type landscape flood prevention door, whereinthe landscape flood prevention wall is composed of a base seat, a wall body and decoration, the landscape flood prevention door is composed of vertical columns, a door body, iron chains, lifting lugs,idler wheels and a guide rail, the base seat of the landscape flood prevention wall adopts a reinforced concrete or brickwork structure, the wall body adopts interlaced transparent tempered glass oftwo different forms of a semicircle arc shape and a rectangle, the two sides of the rectangle glass are provided with decorative strips of metallic texture, and the top of the wall body is provided with a wooden handrail. According to the novel city comprehensive flood prevention system, under a usual state, the flood prevention door is in a flatwise-placed state to be taken as a pedestrian passage, and the landscape flood prevention wall and park greening are integrated into a whole; during flood prevention, when a heavy rainfall breaks out and the city riverway water level reaches a temporary warning value, iron ring pulling chains inside the vertical columns are pulled, and the door body rises slowly along the guide rail; and edge pressing rubber strips are made to be in closer fit withthe vertical columns and a ground channel steel foundation by rotating and adjusting fastening parts, and the better waterproof effect is achieved.

The invention belongs to the technical field of electric power, and particularly relates to a self-damping type flood prevention sand box which is auxiliary equipment applied to hydropower houses. The self-damping type flood prevention sand box comprises a box body and a top cover, a self-damping type sand-damping door and a sand-damping door locking device are arranged on the flood prevention sand box body, the flood prevention sand box top cover is connected to the top of the flood prevention sand box body, a hydraulic device is connected to the top of the flood prevention sand box and the flood prevention sand box top cover, a storage box is arranged on one side of the flood prevention sand box body, and a lockable shovel holder is arranged on the other side of the flood prevention sand box body. The self-damping type flood prevention sand box has the advantages of being simple in structure, convenient to use, wide in application range and significant in flood prevention effect. Due to the fact that sand for flood prevention is placed in the box body, the appearance of the self-damping type flood prevention sand box is attractive. In addition, the flood prevention sand box is provided with the top cover, so that outdoor rainwash is avoided. Moreover, sand can be placed back into the sand box after a flood and can be utilized cyclically, and the purposes of environment protection and saving are achieved. The self-damping type flood prevention sand box is suitable for the hydropower houses and various places where flood prevention and water resistance are needed, and is wide in application range.

The invention relates to an urban flood control device. The urban flood control device comprises a flood control wall, wherein the flood control wall comprises an upstream face and a downstream face; a first extending part is arranged at the top of the flood control wall; the first extending part extends in a direction far away from the upstream face; the first extending part protrudes out of the downstream face; a waterproof plate is in rotary connection with the flood control wall and is located on the downstream face of the flood control wall; after the waterproof plate rotates, the waterproof plate abuts against the first extending part; the flood control wall is provided with a driving device for driving the waterproof plate to rotate; and the flood control wall is provided with a control device for controlling the driving device to be started when the water level is raised to the top of the flood control wall. The urban flood control device has the effect of conveniently reducing the condition that flood overflows the flood control wall.

The invention provides a triangular-pyramid bamboo lou used for flood control and embanking, relating to the technical field of building materials. The triangular-pyramid bamboo lou consists of a triangular-pyramid body which is woven by bamboo and reserved stone passing holes. The triangular-pyramid bamboo lou is characterized in that the stone passing holes are arranged on the equilateral triangular-pyramid bamboo lou. During use, cobbles can be put into the bamboo lou through the stone passing holes, and can be thrown to the flood-control notches, due to the favorable stability of the triangular-pyramid body, the triangular-pyramid bodies can be accumulated well without compiling seriously, and can be rapidly piled into a dam for flood control.

The invention provides a river levee slope protection sliding formwork device, and relates to the technical field of river levee construction devices. The river levee slope protection sliding formwork device comprises a power assembly, a frame assembly and a leveling assembly used for leveling the upper end of a formwork material in the frame assembly, the output end of the power assembly is connected with the leveling assembly, the leveling assembly is arranged on the upper side wall of the frame assembly, and the leveling assembly is in sliding connection with the frame assembly. By means of the device, construction mold materials can be rapidly leveled, the construction speed is increased, the leveling effect is good, a mold material plate is laid thick and solid, the hardness and strength are high, the service life is long, and the flood prevention effect of an embankment is good.

The invention relates to the technical field of municipal flood-fighting equipment, and particularly relates to a municipal flood-fighting drainage device convenient to move. The municipal flood-fighting drainage device comprises a drainage box, a guide structure, a drainage structure, an adjusting structure, a moving structure and a warning structure, wherein the guide structure can convenientlyguide accumulated water on a municipal road surface into the drainage box, then the accumulated water is drained through the drainage box, the guide effect is good, and the situation that the accumulated water on the road surface affects municipal transportation is effectively prevented; the water in the drainage box is drained through the drainage structure, and the municipal flood-fighting effect is greatly improved; the opening range of the guide structure is adjusted through the adjusting structure, and the drainage efficiency of the drainage structure is greatly improved; the drainage boxis moved through the moving structure, the moving structure is convenient to store, the drainage box is conveniently moved to different municipal positions for drainage, and the drainage efficiency of municipal flood-fighting drainage is improved; and pedestrians on the municipal road surface are conveniently warned through the warning structure that drainage is conducted here, the warning effectis good, and the convenience of municipal transportation and the safety of the pedestrians are greatly improved.

A water baffle is arranged in a U-shaped clamping plate, a first hinge seat is arranged behind the U-shaped clamping plate, a hydraulic rod is fixedly arranged on the first hinge seat, the power end of the hydraulic rod is connected with a second hinge seat, the second hinge seat is fixedly arranged on a side baffle, and a sealing strip is fixedly arranged on the outer surface of the side baffle. The side baffle is connected with the rear portion of the U-shaped clamping plate through a third hinge seat, a plurality of water baffles are arranged in the U-shaped clamping plate, inserting holes are formed in the two ends of each water baffle, U-shaped fixing rods are arranged in the inserting holes, each U-shaped fixing rod comprises a fixing rod, a sliding rod and an adjusting piece, a connecting block is arranged on the rear side in the adjusting piece, and a protruding block is arranged on the connecting block. The protruding block is arranged in an annular groove, the annular groove is formed in a fixing rod, the top of the fixing rod is embedded in the sliding rod, and bottom sealant is arranged at the bottom of the U-shaped clamping plate. The flood control device has the advantages of being reasonable in structure, good in flood control effect and convenient to operate.