81results about How to "Good energy dissipation" patented technology

A method for adhesively bonding a covering to a support using a dry heat-sensitive adhesive to produce an assembly for an automotive interior. The method positions the layers to form an assembly of material layers in tooling that concentrates microwave radiation energy conversion to the adhesive layer above its melting temperature. The method for fabricating an assembly in accordance with the subject invention, particularly when the tooling is transparent to the radiation, controls the radiation reflection, which is generated at a frequency exceeding 30 GHz.

The invention discloses an ecological floating bed suitable for a high-sediment large-flow rate water body. The ecological floating bed is formed by interconnecting two floating bed units, wherein each floating bed unit comprises floating bed fixing rods, hollow PVC tubes, wave eliminating rafts and a gauze; a plurality of hollow PVC tubes are horizontally arranged and fixed by the floating bed fixing rods so as to form a floating raft; the wave eliminating rafts are arranged below the two ends of the floating raft respectively; the gauze in which hollow columnar polyvinyl chloride short corrugated tube packing is packed is hung below the floating raft; and the gauze is positioned below the wave eliminating rafts. The ecological floating bed can treat the water body which contains high sediment and high phosphorus and nitrogen concentration, is suitable for a river with large flow rate, can build a landscape effect without influencing shipping, and can produce part of economic benefits.

The invention discloses a dynamic polymer with a hybrid cross-linked network structure. The dynamic polymer contains dynamic covalent bond crosslinking and supermolecular hydrogen bond crosslinking, wherein the dynamic covalent bond crosslinking is realized by associative exchangeable covalent bonds, and the supermolecular hydrogen bond crosslinking is realized by hydrogen bond groups on the sidegroups and/or side chains of a polymer chain framework and hydrogen bond groups on the optional chain frameworks. The polymer integrates dynamic characteristics of a supermolecule and dynamic covalentcharacteristics of glass-like matter; supermolecular hydrogen bonds give stimulative responsibility, energy dissipation performance and self-repairing performance to the material; the associative exchangeable covalent bonds give structural stability and mechanical strength to the covalent cross-linked polymer, and because the associative exchangeable covalent bonds have dynamic reversibility, thepolymer has self-repairing performance, recycling performance, reproducibility and the like. According to the invention, the dynamic polymer with the hybrid cross-linked network structure can be widely applied to vibration-absorptive cushioning materials, impact-resistant protective materials, self-repairing materials, toughness materials, sealing elements and the like.

The invention discloses a double-axis adjustable vertical seam type fish way and an operation method thereof. The double-axis adjustable vertical seam type fish way disclosed by the invention comprises a side wall, a bottom plate, a gear track, a longitudinal gear, a plurality of pairs of baffles, a buttress, a horizontal gear, a water through hole capable of adjusting the opening degree, a fish through gallery and an operation room; the gear track is positioned on the wall surface, near one side of a pool chamber, of the side wall; the longitudinal gear is positioned on the gear track and can move along the gear track; the baffles are divided into long baffles and short baffles alternatively arranged on the side wall sequentially and spaced at a certain distance; furthermore, the long and short baffles are arranged in pair in the direction vertical to water flow; the water through hole capable of adjusting the opening degree and the fish through gallery are positioned over the baffles; the baffles are connected with the buttress through shafts and the horizontal gear; the buttress and the side wall are connected through the longitudinal gear. According to the double-axis adjustable vertical seam type fish way and the operation method thereof disclosed by the invention, the fish through gallery is separated from an energy dissipation zone; a steady flow pattern is provided for the fish through gallery, so that the fish through gallery is not influenced by the energy dissipation zone, and therefore, the problems of being bad in water flow condition at the fish through gallery and fish through effect and incapable of being applied to relatively high water head difference are solved.

The invention relates to a rectification pool type fishway and a flow state control method. The rectification pool type fishway comprises a plurality of continuous chambers which are raised in a ladder mode, and a rectification board provided with a plurality of flow holes arranged above and below and left and right is arranged between every two adjacent chambers. The fishway suitable for fishes having small sizes and poor swimming capability is a pool type fishway making use of the hydraulics rectification and energy dissipation principle of the rectification boards, the rectification boards can play an obvious role in energy dissipation between the chambers, the definite water flow direction can be formed while energy dissipation is carried out, and therefore the fishes can go upstream in the definite direction when swimming in the fishway and cannot get lost or be trapped in the fishway. The fishway reduces obstruction influence of hydraulic engineering construction on the fishes, fish passing efficiency of the fishway is improved, and the river ecological environment is protected or restored.

The invention discloses a novel hydraulic engineering energy dissipater structure, and relates to the field of hydraulic engineering energy dissipation. The structure comprises a drainage face and a stilling pool arranged at the bottom end of the drainage face, a plurality of toe piers are arranged at the joint between the drainage face and the stilling pool, and an end sill is fixedly connected to the tail end of the stilling pool. A plurality of baffle piers are fixedly connected with the interior of the stilling pool, a water through groove where water can pass is reserved between every twoadjacent baffle piers, and baffle blocks are arranged in the water through grooves, located between the adjacent baffle piers and rotationally connected with the baffle piers. The rotary connection positions between the baffle blocks and the baffle piers are located at the positions close to the top ends of the baffle blocks. Water flows into the stilling pool, the baffle piers in the stilling pool block water, and therefore secondary consumption is carried out on water. The baffle blocks are rotationally connected with the baffle piers, water jacks open the baffle blocks and flows into the end sill through the water through grooves, water energy consumption can be increased since water jacks open the baffle blocks, and therefore water impact energy is reduced.

The invention discloses an engineering construction of a hydropower station, and particularly discloses an eddy-current vertical-well energy dissipation structure of a water discharging hole for ditchwater treatment. The invention provides the eddy-current vertical-well energy dissipation structure of the water discharging hole for the ditchwater treatment, which can be used for removing the disadvantage that a water discharging hole which reaches a bottom through one slope is arranged in an alpine gorge region, and further can generate eddy-current energy dissipation, for all different coming flow rates, in a vertical well. The eddy-current vertical-well energy dissipation structure of the water discharging hole for the ditchwater treatment comprises a high water discharging hole, a side shrinking hole, an eddy-current volute chamber, a vertical well, a low water discharging hole and a vent hole, wherein the side shrinking hole is arranged between the high water discharging hole and the eddy-current volute chamber; the top end of the vertical well communicates with the eddy-current volute chamber; the bottom end of the vertical well communicates with the low water discharging hole; the vent hole is arranged at the top part of the eddy-current volute chamber; the side shrinking hole is provided with one oblique shrinking side wall; and the oblique shrinking side wall is arranged obliquely. After entering the side shrinking hole, water currents of different flow rates are shrunk laterally; the coming flow rates of different water heads and different flow rates can be guaranteed to all have eddying initial flow velocities after entering the eddy-current volute chamber; and the water currents can be better subjected to energy dissipation in a subsequent process.

The invention discloses a steel-concrete composite beam adopting elastic concrete. The steel-concrete composite beam comprises a steel beam and a shear connector welded on the steel beam, wherein an elastic concrete slab is poured on the steel beam; the shear connector is arranged in the elastic concrete slab; the elastic concrete slab is formed by pouring and maintaining the elastic concrete. According to the steel-concrete composite beam, the fatigue damage to the concrete slab can be effectively prevented; furthermore, due to the powerful deformability and anti-cracking ability of the elastic concrete, the deformation of the elastic concrete and the shear connector is harmonious, and the fatigue life of the shear connector wrapped in the elastic concrete can be effectively prolonged; meanwhile, the carrying capacity is guaranteed, the construction technology is simplified, and the project popularization can be facilitated.

The invention belongs to the field of water conservancy projects and environmental protection projects, and relates to a tunnel type multi-outlet nature-like fish way. A fish way body is connected to a downstream riverbed and the water area of an upstream reservoir and is arranged in a mountain beside a power station plant; a fish way inlet of the fish way body is formed in the riverbed in the downstream direction of the power station plant, and two or more fish way outlets of the fish way body are formed in the reservoir in the upstream direction of the power station plant and are located at different heights. The tunnel type multi-outlet nature-like fish way can adapt to the geographical condition that riverbeds are narrow and mountains on the two sides of river ways are high and steep or the limiting condition that the water levels of reservoirs in the upstream direction fall or rise rapidly or water-passing water levels are large in amplitude, the shortcomings that the construction workload of fish ways is large, the design and construction difficulty is high and the cost is high are overcome, and the influence to the terrestrial organisms on the mountains on the two sides of the river ways is reduced as much as possible.

The invention discloses an ecological seawall for multistep modular protection and relates to seawall engineering. The ecological seawall comprises a plurality of slopes and a plurality of platforms,each platform is arranged between every two adjacent slopes, and the slopes and the platforms are elevated step by step; and a plurality of wave consumption plants are arranged on each platform, all the wave consumption plants are elevated step by step, a plurality of wave consumption blocks are arranged on the surfaces of the slopes and the surfaces of the platforms, and the wave consumption blocks are protrusions. The ecological seawall has the beneficial effects that all the slopes and the platforms are elevated step by step to form the seawall structure, the wave consumption blocks are arranged on the surfaces of the slopes and the platforms in a protruding mode, the wave consumption plants are arranged on the platforms, the wave consumption blocks and the wave consumption plants are combined, thus wave prevention and wave consumption are facilitated, and the overtopping risk can be reduced; and the slopes and the platforms are arranged adjacently, thus building construction of theslopes and the platforms is relatively dependent, and the construction speed is increased advantageously.

The invention discloses a bottom-sudden-expansion gyrating shaft well flood discharging tunnel. The flood discharging tunnel comprises a lock chamber, an upper flat section, a volute chamber, a contraction section, a shaft well vertical section, a slope section and a flood discharging tunnel body. A sudden-expansion vertical section is disposed on the vertical lower portion of the shaft well straight section; the axes of the sudden-expansion vertical section and the shaft well vertical section are located on the same straight line, and the diameter of the sudden-expansion vertical section is larger than that of the shaft well vertical section; the sudden-expansion vertical section is connected with the shaft well vertical section through a connecting section, and the connecting section isin smooth transition connection with the shaft well vertical section; an outlet of the shaft well vertical section is correspondingly connected with an inlet of the connecting section; an outlet of the connecting section is correspondingly connected with an inlet of the sudden-expansion vertical section; the bottom of the sudden-expansion vertical section is sealed; an outlet is formed in the sidewall of the sudden-expansion vertical section; and an inlet of the slope section is correspondingly connected with the outlet of the sudden-expansion vertical section so that the slope section communicates with the sudden-expansion vertical section. The flood discharging capacity of a gyrating shaft well is improved, the energy dissipation efficiency and effect are improved, and the flood discharging burden of an existing gyrating shaft well flood discharging tunnel is reduced.

Articles including a substrate, a cover glass layer disposed over a top surface of the substrate, and an adhesive layer having a dynamic elastic modulus disposed between a bottom surface of the cover glass layer and the top surface of the substrate. The cover glass layer may have a thickness in the range of 1 micron to 200 microns. The dynamic elastic modulus of the adhesive layer may include a first elastic modulus in the range of 10 kPa to 1000 kPa measured at a stress frequency in the range of 0 Hertz to 5 Hertz and a temperature of 23 degrees C., and a second elastic modulus of 500 MPa or more measured at a stress frequency in the range of 10 Hertz to 1000 Hertz and a temperature of 23 degrees C. The adhesive layer may be optically transparent. The articles may be bendable electronic display devices or bendable electronic display device modules.

The invention discloses an unmanned aerial vehicle with an anti-collision protection function. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, support rods and wings, wherein anunmanned aerial vehicle shell is arranged on the outer side of the unmanned aerial vehicle body; an anti-collision device is arranged on the outer side of the unmanned aerial vehicle shell; a heat radiating device is arranged in the unmanned aerial vehicle body; an air outlet and an air inlet are formed in the upper end and the lower end of the unmanned aerial vehicle body; the support rods are connected with the unmanned aerial vehicle shell through foldable support pieces; the wings are connected with the unmanned aerial vehicle shell through hinge components. According to the unmanned aerial vehicle with the anti-collision protection function, the support rods and the wings can be folded through the foldable support pieces and the hinged components, so that a storage space of the unmanned aerial vehicle can be reduced, and the unmanned aerial vehicle can be conveniently carried by a user; the heat radiating device is arranged in the unmanned aerial vehicle body, so that heat produced when the unmanned aerial vehicle body works is favorably radiated; the anti-collision device is arranged on the outer side of the unmanned aerial vehicle shell, so that a collision force between anexternal object and the unmanned aerial vehicle body can be favorably buffered and dissipated.

The invention discloses an energy dissipater in wading engineering, comprising an upstream water delivery structure, a hydraulic drop structure, a flow control structure and a downstream water delivery structure. The upstream water delivery structure is connected with the downstream water delivery structure through the hydraulic drop structure; the protruding flow control structure is arranged at a downstream end of a connection section of the hydraulic drop structure and the downstream water delivery structure, and a number of limber holes are arranged on the flow control structure. The energy dissipater in the wading engineering provided by the invention is the energy dissipater which can realize a good energy dissipating effect and can avoid sediments silting up in a working section and enable gas mixed in water to smoothly overflow.

The invention discloses a staggered pipe buried type permeable spur dike. A spur dike body is internally provided with a plurality of sets of communicating steel pipe structures of which the interlayers are arranged in a staggered mode, certain included angles exist between the projections of the steel pipe axes in the horizontal plane and the dike axis, and the projections in the horizontal plane are distributed in the shape like an Arabic number eight; and meanwhile, the bottom of the dike body is provided with concrete sheet piles arranged in a surrounding mode, and the concrete sheet piles are parallel to the dike axis on the upstream and downstream sides of the permeable spur dike and are perpendicular to the dike axis at the head of the dike. Compared with existing permeable spur dikes, the staggered pipe buried type permeable spur dike can better stabilize water flow, weaken vortexes behind the dike and reduce scouring of materials at the head of the dike; and meanwhile, the flow velocity of the bottom layer of the water flow in the downstream position of the spur dike can further be decreased, and sediment deposition is promoted so that sedimentation and beach building can be conducted.

The invention discloses a stepped graded spillway with an energy dissipation effect, and belongs to the technical field of water conservancy and hydropower building engineering. The spillway comprises a first-stage stilling pool, a first-stage chute, a second-stage stilling pool, a third-stage stilling pool, a second-stage chute, a fourth-stage stilling pool and an apron which are sequentially arranged from upstream to downstream, the upstream side of the first-stage stilling pool is connected with a flood discharge tunnel, and the downstream side of the apron is smoothly connected with an original river channel. The spillway is arranged at an outlet of the spillway tunnel, and spillway water flows through the multi-stage stilling pool and the multi-stage chute to fully dissipate energy and then is discharged into an original river channel, so that scouring to the original river channel is relieved, and the safety of downstream buildings is guaranteed; meanwhile, due to the fact that the first-stage stilling pool, the first-stage chute, the second-stage stilling pool, the third-stage stilling pool, the second-stage chute and the fourth-stage stilling pool are each of a closed structure in the transverse direction, flood discharge atomization can be prevented from being caused in the energy dissipation process.

The invention provides an underflow energy dissipation structure for allowing flaring piers to extend to a stilling basin. The underflow energy dissipation structure comprises the stilling basin, themultiple flaring piers, multiple gate holes and flow diverting piers; the stilling basin is arranged on the downstream side of a gate pier; the multiple flaring piers and the multiple gate holes are arranged at the outlet end of the gate pier at intervals; the flow diverting piers are located in the stilling basin and directly face outlets of the gate holes, and the quantity of the flow divertingpiers is consistent with that of the gate holes; the upstream edges of the flow diverting piers and the tail ends of the flaring piers are located on the same horizontal line; the upstream starting width of the flow diverting piers is equal to the width of the outlets of the gate holes directly facing the flow diverting piersl; and the height of the flow diverting piers is 1/5-1/3 of the water depth of the outlets of the gate holes. According to the scheme, the flow diverting piers are arranged at the outlets of the gate holes, water flow drained through the gate holes is quickly and transversely diffused under the micro stirring and flow guiding effects of the flow diverting piers, water flow streams collide with one another to achieve energy dissipation, the energy dissipation pressure of the stilling basin is effectively reduced, therefore, the design size of the stilling basin can be decreased, and the engineering cost is reduced.