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608results about "Dams" patented technology

Washing and desalinating system for sand soil in river mouth blowing-sand reclaimed land before planting greenery

A leaching and desalinating system for sandy soil in estuarine land reclaimed by sand blowing before planting greenery is provided. The leaching and desalinating system comprises a water pump and pipe assembly, a freshwater storage tank and a main diverting and draining channel. The water pump and pipe assembly lifts freshwater from a river to the freshwater storage tank through a water delivery pipe, multiple infiltration parts in which greenery is planted are provided on the waterside slope, the infiltration parts are connected to each other via multiple drainage infiltration channels. The present disclosure can quickly desalinate the sandy soil in land reclaimed by sand blowing at a low cost, improve the physicochemical properties of the soil, and provide a basic guarantee for the subsequent greenery planting on the sandy soil in land reclaimed by sand blowing.
Owner:CHINA THREE GORGES CORPORATION +1

Three-dimensional water ecological restoration method based on ecological system

PendingCN121651554ADamsDykesBuffer stripOrganism
The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.
Owner:SHANGHAI GARDENS (GROUP) CO

Flood control device convenient and rapid to fill

The utility model belongs to the technical field of flood control devices, and particularly relates to a flood control device convenient and fast to fill, which comprises a flood control device body, the flood control device body comprises a flood control blocking box, a filling groove is reserved at the top of the flood control blocking box, and a handle is fixedly connected to the inner wall of the filling groove. The top of the flood prevention blocking box is provided with a splicing hole, the bottom of the flood prevention blocking box is in threaded connection with an insertion rod, the surface of the flood prevention blocking box is fixedly connected with a sealing mechanism, the sealing mechanism comprises a bottom sealing gasket, and the surface of the bottom sealing gasket is fixedly connected with the bottom of the flood prevention blocking box; according to the anti-flood wall, a user can conveniently and rapidly fill the interiors of the filling grooves through the arranged anti-flood blocking boxes, the anti-flood blocking boxes can be rapidly spliced into the anti-flood wall body through the splicing holes, the inserting rods, the clamping grooves and the clamping blocks, meanwhile, splicing seams are sealed through the bottom sealing gaskets and the side face sealing gaskets, and therefore the anti-flood wall body is formed. And the use convenience of the flood control device is improved.
Owner:ALI PREFECTURE WATER CONSERVANCY BUREAU

Termite control dam structure

The utility model relates to the technical field of dam termite prevention and control in water conservancy and hydropower engineering, in particular to a termite prevention and control dam structure which comprises a dam and a multifunctional termite prevention and control device. The multifunctional termite control device system is arranged in a dam with termite damage and comprises an osmotic pressure monitoring pipe, a termite trapping and killing device, a grouting device, an osmotic pressure monitoring device and a cover plate. The construction period and the operation period of the dam are both convenient; on the premise that dam osmotic pressure monitoring is not affected, a cover plate is arranged at the top of the termite prevention and control device, and replacement and long-term use of trapping and killing bags, bait guiding wood and an intelligent monitoring device which are embedded inside are facilitated; in the aspect of grouting control, long-term repeated grouting control can be realized without independent punching; the termites can be trapped, killed and monitored by burying trapping and killing bags, bait guiding wood and an intelligent monitoring device, and meanwhile, grouting measures can be implemented on the premise of low cost when necessary; construction is easy and convenient, the cost is low, and comprehensive control and thorough treatment of the termites are achieved.
Owner:浙江省钱塘江流域中心 +1

Ecological slope protection mechanism for water conservancy project

The utility model relates to the technical field of ecological slope protection, and discloses a hydraulic engineering ecological slope protection mechanism which comprises a slope protection body and a collecting water channel arranged on one side of the slope protection body, a fence structure is arranged on the surface of the slope protection body, a filter screen is arranged in the collecting water channel, and a lifting structure is arranged in the collecting water channel. A water using structure is arranged on the outer side of the slope protection body, in rainy days, rainwater can be collected through a collecting water channel and filtered through a filter screen, so that clean rainwater is contained in the collecting water channel, then a pump body is started, water in the collecting water channel can be pumped out, and the water is discharged through a guide pipe, a flow dividing pipe and a spray head; collected rainwater can be recycled, after a period of time, a rotating handle is rotated, a threaded rod can be rotated, a threaded block drives a filter screen to move until the filter screen moves to the position above a collecting water channel, the surface of the filter screen is in an inclined shape, a worker can push out impurities on the filter screen, and manual cleaning can be conducted.
Owner:SHANDONG SHENGDA WATER CONSERVANCY INSTALLATION ENG CO LTD

Soft foundation embankment structure with embankment body space integrated with municipal function

The utility model provides a soft foundation embankment structure with an embankment body space integrated with a municipal function, which relates to the technical field of seawall structures, and comprises a suppression platform I, a seawall complex, a closed earthwork and a suppression platform II which are sequentially arranged from open sea to inland, the seawall complex comprises a pile foundation, a reinforced concrete raft plate arranged on the pile foundation and a reinforced concrete empty box dike body arranged on the reinforced concrete raft plate. A comprehensive pipe gallery space, a parking space, a patrol inspection and maintenance and driving channel and a driving entrance and exit for entering the patrol inspection and maintenance and driving channel are formed in the reinforced concrete empty box embankment body, and a drought gate is arranged at the entrance of the driving entrance and exit. The repression platforms in front of and behind the embankment body are implemented firstly, cement mixing piles and other composite foundation treatment methods are adopted for foundations below the platforms, the negative friction resistance effect, deformation and other adverse effects caused by soft soil foundations on pile foundations are greatly reduced, the mixing piles below the repression platforms on the inner side are densified to form frame supports, and the good shielding effect on later land area soil filling influences is achieved.
Owner:ZHEJIANG GUANGCHUAN ENG CONSULTING CO LTD

Flood prevention soft water bag capable of being folded and stored

The utility model belongs to the technical field of flood prevention equipment, and discloses a foldable storage flood prevention soft water bag which comprises a water bag body, one end of the water bag body is in threaded connection with a sealing cover, a plurality of pull rings are arranged on the outer surface of the water bag body in a mirror image array mode, and a piece of bearing cloth is arranged on each pull ring. The water bag, the sealing cover, the pull ring and the load-bearing cloth are matched to quickly prevent the flood, water taking is easy due to the fact that the water amount in the flood season is large and wide, the water bag can be filled with water after the sealing cover is taken down, then the sealing cover is sealed, the load-bearing cloth is pressed by counter weights such as stones after the water bag is placed at the flood prevention position, and the flood prevention effect is achieved. When the water bag is used for the flood prevention opening, the water bag is placed in the opening, and if the length of the opening is smaller than that of the water bag, one end of the water bag can be folded, so that the water bag can be suitable for the openings of different sizes, and the device is high in adaptability.
Owner:ANQIU FULU PLASTIC CONTAINER MANUFACTURING CO LTD

Automatic lifting type water retaining device

The utility model belongs to the technical field of drainage channels, and particularly relates to an automatic lifting type water retaining device. The automatic lifting type water retaining device comprises a water retaining assembly and a limiting assembly. The water retaining assembly is configured to be capable of floating on the water surface; the water retaining assembly is slidably connected with the limiting assembly, and the limiting assembly is used for being connected to the inner side wall of the drainage channel so that the water retaining assembly can slide back and forth in the depth direction of the drainage channel. The water retaining device can be hidden in a drainage channel without affecting the attractiveness and causing passage obstacles when no water retaining requirement exists, and can rise automatically to block accumulated water on a road when the water retaining requirement exists; road accumulated water is prevented from crossing the drainage channel to reach the human living area or the water amount of the road accumulated water crossing the drainage channel to reach the human living area is reduced.
Owner:SICHUAN THIRD CONSTR ENG CO LTD

L-shaped flood control wall structure

ActiveCN224281143Ureduce casualtiesreduce property damageDamsDykesControl engineeringStructural engineering
This utility model discloses an L-shaped flood control wall structure, relating to the field of flood control wall technology. The utility model includes a main frame mechanism, which includes a first flood control plate. A second flood control plate is rotatably connected to the back of the first flood control plate via a pin. The utility model employs an unfolding assembly. Specifically, pulling or twisting causes a limiting rod to disengage from the limiting hole. Simultaneously, when the limiting rod moves, it causes the limiting plate to compress a third spring. The third spring, constrained by the inner wall of the second supporting sleeve, contracts and stores force. When the limiting rod disengages from the limiting hole, both the second and first springs generate a certain rebound force, causing the connecting rod and slider to reset. At this point, the second and first flood control plates are at a 90-degree angle. The equipment can be quickly unfolded to promptly block floodwater, buying valuable time for subsequent rescue work and minimizing casualties and property damage. Furthermore, it is foldable for storage, occupying little space and facilitating transportation and storage.
Owner:枣庄市岩马水库管理服务中心

System and method for terrain monitoring by using drone imagery and ground based GNSS sensors

A system and method for monitoring the shape and size (deformation) of a dyke (7) or similar terrain is disclosed. This method employs the monitoring of positions of settlement plates (12) by an unmanned aerial vehicle UAV (5) in combination with ground based GNSS sensors (11) and barcode markers (3, 4).
Owner:DELTALOT BV

A flood control device for municipal engineering

This utility model relates to the field of municipal engineering technology and provides a flood control device for municipal engineering, including: a baffle and an adjusting plate, and further including: an adjusting component disposed on the outer surface of the baffle and the adjusting plate for adjusting the flood control range. The adjusting component includes: a first T-shaped groove formed at the upper end of the outer surface of one side of the baffle; pulling the adjusting plate and the baffle causes the T-shaped block to slide laterally inside the first T-shaped groove, adjusting the blocking range of the adjusting plate and the baffle according to the flood control range, thereby improving the flood control effect. It eliminates the need to assemble multiple baffles, allowing for quicker and more convenient adjustment. After adjustment, two T-shaped plates are respectively embedded inside the second T-shaped groove and one of the third T-shaped grooves. Sealing gaskets are fixedly installed on the opposite surfaces of the two T-shaped plates. The sealing gaskets can seal the connection between the baffle and the adjusting plate to prevent floodwater from seeping in. The sealing gaskets can also improve the connectivity between the baffle and the adjusting plate.
Owner:POWERCHINA JIANGXI ELECTRIC POWER ENGINEERING CO LTD

Substation flood control detection system

PendingCN121781545ADamsSewerage structures
The invention relates to the technical field of safety protection of transformer substations, and discloses a transformer substation flood control detection system which comprises a passive flood control barrier subsystem which comprises a detachable pressing type flood control baffle unit and a one-way drainage check valve and is used for physically preventing external flood from flowing backwards; the flood situation detection and active drainage subsystem comprises an accumulated water collection unit, a detection sensing unit, a drainage execution unit and an intelligent control unit, and the intelligent control unit responds to the water level obtained by the detection sensing unit and automatically controls the drainage execution unit to execute drainage; and the auxiliary safety protection subsystem is used for providing operation guarantee and personnel safety protection. Through cooperative work of the three subsystems, a three-in-one layered defense system of physical barrier, active drainage and safety guarantee is constructed, and the system has the beneficial effects of high reliability, high error-tolerant rate, intelligent fine management and the like.
Owner:四川厚盈电力技术服务有限公司

Construction method of an ecological revetment

ActiveCN116537118BNo toppling will occurmobility does not occurDamsClimate change adaptationEnvironmental resource managementEcological environment
The application discloses a construction method of an ecological revetment component, which comprises the following steps: a, forming a concrete wall one and a concrete wall two; b, installing a support component; c, installing the ecological revetment component; d, forming a concrete connecting layer; e, forming a backfill layer; f, forming a sand pebble support layer one; g, forming a sand pebble support layer two; h, laying a block, and setting a guardrail on the soil. The ecological revetment component can be limited at the bottom and the side when being hung on the slope, the ecological revetment component will not be tilted and moved, the sand pebble can be quickly filled in the cavity two in the later period, the ecological revetment component can act on the concrete wall one and the concrete wall two, the whole structure has a good water retaining and protecting effect, and the sand pebble filled in the cavity two has a gap, so that plants can provide a root space, and the ecological revetment can better restore the natural, harmonious and beautiful ecological environment under the premise of protection safety.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Water conservancy river channel trash holding and flood prevention device

The utility model discloses a water conservancy river channel trash holding flood prevention device which comprises a fixed base, side supporting frames are fixedly installed on the two sides of the top of the fixed base, a fixed trash holding plate is fixedly installed between the side supporting frames, and a movable trash holding plate is movably installed on one side of the fixed trash holding plate through a torsion adjusting assembly. The fixed trash blocking plate and the movable trash blocking plate are each provided with a plurality of water outlets communicating with one another, a material guiding and conveying assembly is installed on the side, located on the movable trash blocking plate, of the side supporting frame, and a washing driving assembly is installed at the bottom of the material guiding and conveying assembly. The river channel trash holding device has the advantages that river channel trash holding work can be achieved, flood prevention work can be achieved in the flood season, trash holding and flood prevention dual effects are achieved, and river channel trash can be conveniently collected, cleaned and recycled in the trash holding process.
Owner:济南市莱芜区寨里镇人民政府

Sponge city waterproof board

The utility model relates to the technical field of building waterproofing, in particular to a sponge city waterproof board which comprises a first waterproof board body, a second waterproof board body is arranged on the surface of one side of the first waterproof board body, and efficient drainage mechanisms are arranged on the surfaces of the first waterproof board body and the second waterproof board body. The surface of the first waterproof plate and the surface of the second waterproof plate are each provided with a high-sealing-performance mechanism, and the interior of the first waterproof plate and the interior of the second waterproof plate are each provided with a corrosion-resistant mechanism. According to the waterproof board, the overall waterproof performance is better when the waterproof board is used, rainwater on the surfaces of the first waterproof board body and the second waterproof board body can be rapidly discharged when the waterproof board is used, and the phenomenon of water accumulation is not prone to occurring when the waterproof board is used; and when the waterproof board is used, the phenomena of water leakage, damage and the like at a splicing seam between the first waterproof board and the second waterproof board can be avoided, so that the service life of the waterproof board is longer.
Owner:ZHEJIANG TONGJI VOCATIONAL COLLEGE OF SCI & TECH +3

Dike-penetrating drainage culvert type

The utility model discloses an embankment-penetrating drainage culvert type which comprises an upstream drainage culvert, a downstream drainage culvert and an inspection well, the inspection well is located between the upstream drainage culvert and the downstream drainage culvert, an outlet of the upstream drainage culvert is communicated with the inspection well, and an inlet of the downstream drainage culvert is communicated with the inspection well. And the outlet of the upstream drainage culvert is higher than the inlet of the downstream drainage culvert. According to the drainage culvert type, the height difference between an inlet and an outlet of the drainage culvert on the two sides of the dike is eliminated by arranging the inspection well in the middle, the safety and stability of the structure can be met, and the ecological landscape of a river channel can be guaranteed while the flood drainage problem is solved.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Water conservancy emergency anti-flood wall

The utility model relates to the technical field of anti-flood walls, and discloses a water conservancy emergency anti-flood wall which comprises an anti-flood wall body, fixed installation pieces are symmetrically hinged to one face of the anti-flood wall body, a connecting assembly is arranged on the anti-flood wall body, and the connecting assembly comprises a clamping groove formed in one side face of the anti-flood wall body. Clamping blocks matched with the clamping grooves are arranged on the face, opposite to the clamping grooves, of the anti-flood wall body, a first sliding groove is formed in the anti-flood wall body, a lifting plate capable of being adjusted in a lifting mode is arranged in the first sliding groove in a sliding mode, and a buffering plate of an arc-shaped structure is arranged at the top end of the lifting plate. The anti-flood wall has the beneficial effects that the anti-flood wall main body is quickly assembled and spliced through the connecting assemblies, the design is convenient to disassemble, and meanwhile, the anti-flood wall is provided with the liftable buffer plate so as to be suitable for different use conditions.
Owner:SHANXI PENGYOU WATER CONSERVANCY PLANNING & DESIGN CO LTD

Water filtering and sand locking sand conveying assembly and sand loading device and method

The invention relates to the technical field of membrane bag sand filling construction, in particular to a sand conveying assembly capable of filtering water and locking sand and a sand filling device and method. The supporting body is arranged on the outer side of the fluid conveying pipe in a sleeving mode and used for opening the film bag so that a water drainage channel can be formed between the outer side wall of the fluid conveying pipe and the inner wall of the film bag; and the filtering structure is used for being arranged on the water drainage channel and can block sand grains from passing through. According to the sand conveying assembly capable of filtering water and locking sand, redundant water in a water-sand mixture flowing into the film bag along the flow conveying flow channel can be discharged along the water drainage channel, sand grains are blocked by the filtering structure and left in the film bag, the water filtering and sand locking functions are achieved, and therefore staged standing waiting in the sand loading process can be greatly reduced or even eliminated, and the sand loading efficiency is improved. And the sand loading efficiency is improved.
Owner:NANJING CHANGJIANG WATERWAY ENG BUREAU +2

Anti-piping device

The invention discloses an anti-piping device which has the following advantages that (1) modular design is adopted, specifically, a square air bag cushion is quickly spliced through a connecting assembly and a fixing assembly, and the square air bag cushion is flexible, adapts to different dam shapes and is flexible in construction; (2) dual counterweight stability: the first counterweight assembly tightly presses the junction of the adjacent airbag cushions, the second counterweight assembly enhances the bottom anti-scouring capability, and the overall water flow impact resistance is high; (3) structure optimization: the square air bag parts are arranged, distributed and communicated, pressure is dispersed, and local stress concentration is avoided; the double-layer composite material (the braided fabric outer layer and the rubber inner layer) has both strength and tear resistance, and the service life is prolonged; and (4) rapid deployment: an inflation joint supports rapid inflation and deflation, and transportation and emergency response are facilitated.
Owner:ZHEJIANG HENGCHANG TECH CO LTD

Anti-seepage hydraulic engineering dam

The utility model relates to the technical field of hydraulic engineering, in particular to an anti-seepage hydraulic engineering dam which comprises a concrete top plate and a concrete bottom plate, an upper tooth wall is fixedly connected to the upper end of the concrete top plate, and a plurality of upper tooth grooves are formed in the upper end of the upper tooth wall. A filtering assembly is fixedly connected between the concrete top plate and the concrete bottom plate, and the rear end of the filtering assembly is fixedly connected with a protection assembly. According to the anti-seepage water conservancy project dam, double anti-seepage barriers are formed through the composite structure of the inclined anti-seepage wall and the two-cloth-one-membrane anti-seepage geomembrane, the inclined anti-seepage wall can guide water flow to be dispersed along the slope surface, seepage pressure is reduced, and the two-cloth-one-membrane anti-seepage geomembrane can be used for preventing the water flow from entering the water conservancy project dam through the isolation and drainage performance of fabric and the low permeability of membrane materials. A water seepage path is effectively blocked, a fixing frame and a separation net are matched, the geomembrane is protected against damage, impurities can be intercepted, and the dam anti-seepage efficiency is greatly improved.
Owner:ZAOZHUANG CITY YICHENG DISTRICT URBAN & RURAL WATER CONSERVANCY BUREAU

Waterproof protection structure with fast welding connection

The utility model discloses a waterproof protection structure with fast welding connection, and relates to the technical field of waterproof protection structures. The device comprises a baffle and an inserting plate, the left side of the baffle is fixedly connected with the right side of the inserting plate, a combining assembly is arranged above the baffle and comprises a supporting plate, the bottom of the supporting plate is fixedly connected with the top of the baffle, a threaded cylinder is fixedly connected into the supporting plate, and a threaded rod is in threaded connection with the interior of the threaded cylinder. The bottom of the threaded rod is fixedly connected with a sliding shaft. According to the utility model, the combination assembly is arranged, specifically, the top end of the threaded rod is screwed clockwise to push leftwards, the threaded rod drives the sliding shaft to slide downwards in the limiting strip until the buckle is clamped on the circular shaft, and the left side and the right side of the baffle plate are arranged in a tooth shape, so that not only can the assembly be more fit, but also the subsequent welding work can be facilitated; connection between the baffles can be further reinforced through welding, and therefore the construction cost and difficulty are reduced.
Owner:SUZHOU DIHANG DEFENSE FACILITIES CO LTD

Construction method of zoned ridge for water retention and stabilization in karst mountainous area and ridge

PendingCN121654164ADamsDykesSoil scienceKarst
The invention relates to the technical field of irrigation and water conservancy engineering, and discloses a karst mountainous area water retention and stabilization zoned ridge construction method and a ridge, and the method comprises the following steps: S1, digging a foundation trench along a ridge line of a pre-built upper terrace; s2, a load-bearing outer slope body surrounding the upper terrace is built in the foundation trench, and a through drainage hole is formed in at least one lateral section of the load-bearing outer slope body; s3, laying an inverted filter layer on the inner side of the bearing outer slope body; s4, the inner side of the inverted filter layer is filled and tamped with clayed soil in a layered mode, and an anti-seepage soil core wall is formed; s5, the bottom of the foundation trench in the area defined by the anti-seepage soil core wall is backfilled with planting soil; according to the construction method of the zoned ridge for water retention and stabilization in the karst mountainous area and the ridge, the series of problems that the ridge in the karst mountainous area cannot be stabilized, cannot be stored and cannot be drained smoothly are solved, and structural stability, efficient moisture retention and smooth drainage of the ridge in the karst mountainous area under complex hydrogeological conditions are achieved.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Anti-seepage reinforcing device for dam bank

The utility model discloses an anti-seepage reinforcing device for a dam bank, and relates to the technical field of water conservancy projects. The water retaining dam comprises a dam base and a water retaining dam body, fixed anchor rods are embedded in the top face of the water retaining dam body, an elastic structure is fixedly installed on the top face of the water retaining dam body through the fixed anchor rods and nuts, and installation bases are arranged on the top face of the dam base and the upstream face of the water retaining dam body. According to the anti-seepage structure, the anti-seepage film is arranged on the upstream face of the retaining dam body, and the water-stop sheet, the grouting anti-seepage layer and the waterproof cloth layer which are arranged in the dam base are combined, so that the multi-layer anti-seepage structure is formed, the anti-seepage capacity of the dam bank is remarkably improved, and the loss of water resources is effectively reduced; when the embankment settles, the mounting base drives the impermeable film to move, the movable mounting plate slides along the guide rod and stretches the reset spring, and the movable mounting plate can automatically adjust the position and keep the tight state of the impermeable film through the elastic action of the reset spring, so that the impermeable film is prevented from being damaged due to stretching.
Owner:TAIZHOU GUOXING WATER CONSERVANCY ENG CO LTD

Cross fixing device for water stop and parting plate

The utility model discloses a device for crosswise fixing a waterstop and a parting plate, and belongs to the technical field of water conservancy construction. A device for cross fixing of a water stop and a parting plate comprises two fixing frames arranged oppositely, each fixing frame comprises two supporting frames arranged symmetrically up and down and an adjusting frame used for adjusting the depth of the sunken position of the corresponding fixing frame, and the part between the two opposite fixing frames is used for fixing the parting plate; according to the utility model, a plurality of fixing frames are combined for use, so that the cross structure installation of the waterstop and the parting plate is carried out, and the installation quality of the waterstop and the accuracy of the installation position of the parting plate can be ensured. Compared with the prior art, the method has the advantages that the water stopping effect is prevented from being affected by deviation of the water stopping position, the accuracy of the position of the parting plate is guaranteed, reworking caused by inaccurate position of the parting plate is prevented, and through measurement and calculation, the construction efficiency is improved, the labor cost of 30000 yuan is saved accumulatively, and meanwhile, the quality risk is reduced.
Owner:SINOHYDRO BUREAU 11 CO LTD

Deployable dam comprising non-rectilinear portions

The invention relates to a deployable dam (10) arranged to contain the rising of a watercourse (40). The deployable dam (10) comprises at least one rectilinear portion (12) and at least one curved portion (13a, 13b). Each of said rectilinear and curved portions comprises a frame (14) defining a housing (16) and leaves (18a, 18b, 18c) pivotably mounted relative to the frame (14) in order to move from a folded position against the frame (14) above the housing (16) to a raised position. Each leaf (18a, 18b, 18c) comprises a panel (20a, 20b, 20c) and a float (22a, 22b, 22c) secured to the panel and arranged inside the housing (16) when the leaf (18a, 18b, 18c) is in said folded position. The housing (16) is in fluidic communication with at least one underground pipe (50) intended to bring water, coming from the watercourse (40), into the housing (16) when the water level (42) of said watercourse (40) rises, so that the rising of the water level in the housing (16) acts on the floats (22a, 22b, 22c) to bring the leaves (18a, 18b, 18c) into the raised position. The leaves (18b, 18c) of the curved portion (13a, 13b) and the leaves (18a) of the rectilinear portion (12) are adapted such that the movement of the leaves (18a) of the rectilinear portion (12) is initiated before or after the movement of the leaves (18b, 18c) of the curved portion (13a, 13b) as the water level in the housing rises.
Owner:PINTO RAMOS JOAO FRANCISCO

Emergency water retaining device for cofferdam

An emergency water retaining device for a cofferdam belongs to the technical field of water retaining and aims to solve the problem that an existing emergency water retaining device for the cofferdam cannot adaptively adjust the water retaining height according to different water volumes in the using process, the emergency water retaining device for the cofferdam comprises a water retaining plate, and a buffer assembly is arranged on the outer wall of one side of the water retaining plate; a lifting plate is vertically arranged in the water baffle in a sliding mode, a connecting assembly is arranged in the water baffle in a sliding mode, a first clamping piece is fixedly arranged in the water baffle, a first releasing assembly is arranged on the outer wall of the other side of the water baffle in a sliding mode, a pushing assembly is fixedly arranged on the buffering assembly, and a bottom plate is fixedly arranged on the lower portion of the outer wall of the other side of the water baffle. A supporting rod is rotationally arranged between the bottom plate and the water baffle, a pair of second clamping pieces are symmetrically arranged at the lower end of the supporting rod, a pair of second releasing assemblies are symmetrically arranged on the bottom plate, and through the arrangement, the dynamic water retaining effect can be achieved.
Owner:NO 1 ENG LIMITED OF CR20G

Sandy coast sand blocking embankment maintenance method and sand pumping system

The invention provides a sandy coast sediment blocking dam maintenance method and a sand pumping system.The method comprises the following steps that S1, the sediment deposition range and the sediment deposition strength are calculated, the sand pumping strength is determined according to the calculation result, and then the number and the arrangement mode of sand pumping points and the sand pumping efficiency of the single sand pumping point are determined; s2, sand pumping points are excavated, and a sand pumping device is arranged at each sand pumping point; s3, a warning line needing sand pumping operation is determined, the silt deposition degree is monitored in real time, and whether deposition exceeds the warning line or not is judged; and S4, when the judgment result of the S3 is that the deposition exceeds the warning line, the sand pumping device is automatically started, and sand pumping operation is executed. The fixed sand pumping device is used for continuously cleaning deposited silt, so that the service life of the sand blocking embankment is prolonged, the construction investment of the sand blocking embankment and the engineering investment in the use period are reduced, and the damage to the ecological environment of a sea area is reduced.
Owner:MUNICIPAL ENVIRONMENTAL PROTECTION ENG CO LTD OF CREC SHANGHAI GRP +1

Modularized water stop structure for flood control

The utility model relates to the technical field of water conservancy projects, in particular to a modularized water stop structure for flood control. The anti-flood structure comprises a plurality of anti-flood modules, a plurality of fixing piles and a plurality of connector assemblies, the connector assemblies are arranged on the anti-flood modules, each anti-flood module comprises a connecting frame, the anti-flood modules are spliced to form a water stop barrier, the fixing piles and the connector assemblies are fixed in an inserted mode, and a pre-stopping water stop plate is connected between the upper connecting frame and the lower connecting frame in a sleeved mode. Pointed ends are arranged at the bottoms of the fixing piles, and the fixing piles are inserted into a riverbed or dam fixing structure body. All the components of the modularized water stop barrier system are prefabricated parts, and can be directly transported to a construction site to be assembled after being produced in a factory. The installation process is simple and convenient, the construction time is shortened, and the requirements of flood control and emergency rescue can be quickly responded. The module is high in adaptability, and the combination mode and the installation position of the module can be flexibly adjusted according to different terrains and breach sizes.
Owner:舒建

A sling for underwater hoisting of flexible gabions

ActiveCN121553814BDamsDykesWater flowGabion
The present application relates to the technical field of hydraulic engineering construction, and discloses a lifting appliance for underwater hoisting of flexible gabion, which comprises a frame body, wings on the top and bottom of the frame body, and a limiting throwing assembly on the frame body. The frame body is welded from a rectangular steel plate and a channel steel, and is matched with a limiting hoop and upper and lower wings, so that the overall rigidity is strong, the carrying capacity is prominent, the double adjustment mechanism of main steel wire rope hoisting and manual control angle of traction rope can be used to flexibly adjust the underwater posture of the lifting appliance, the frame body provides a stable operation platform during the gabion filling stage, additional binding and fixing are not needed, the stone filling speed is effectively improved, the deformation of the flexible gabion during the filling, hoisting and launching process can be effectively constrained through the cooperation of the frame body, bottom plate, side plate and extension plate, and the displacement of the gabion due to the influence of water flow can be avoided, so that the flexible gabion can be thrown into the required area.
Owner:CCCC GUANGZHOU DREDGING CO LTD +1