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

The invention discloses a dynamic polymer having a non-covalent crosslinking structure. The dynamic polymer contains organic boric acid silicon ester bonds on polymer chain backbone; wherein the organic boric acid silicon ester bonds are existed as polymeric chain contacts of the dynamic polymer, and are the necessary condition for forming or maintaining a dynamic polymer structure. The dynamic polymer has energy dissipation performance by means of the organic boric acid silicon ester bonds having strong dynamic reversibility, embodies functional characteristics of stimulation responsiveness and self-repairability, and has a wide application prospect in the fields of sport protection, a functional coating, and a bionic material.

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.

In a device for supplying secondary air in a gas turbine engine provided with an inner shaft (8) and a hollow outer shaft (7) coaxially nested with each other, a seal air introduction passage (71, 85, 88) is defined inside the engine for introducing a part of high pressure air drawn from a high pressure compressor into a seal section provided in each of the bearing boxes for supporting the inner and outer shafts; and a swirl air cooling turbine (59) is provided in the seal air introduction passage and attached to a part attached to the outer shaft in a rotationally fast manner. The swirl air cooling turbine (59) is formed around a section of the outer shaft intermediate between the high pressure compressor and the high pressure turbine, the swirl air cooling turbine including a spiral flow path extending in a substantially cylindrical plane coaxial with the outer shaft. Because the high pressure swirl air is cooled by the swirl air cooling turbine provided in a radially central part, the energy of the swirl air is effectively expended, and this prevents the generation of a stagnation zone. Thereby, the secondary air can be favorably cooled before it is forwarded to the user such as the bearing boxes without causing an undue rise in the pressure of the impeller back chamber.

An impact head for a guardrail includes cable routing means adapted to form a convoluted path through which a cable can be threaded. The convoluted path that the cables must follow through the impact head of the invention restricts movement of the cable through the head, thereby providing sufficient friction to slow down the movement of the impact head during a vehicle impact.

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.

An impact slider assembly for a guardrail which includes: a slider mechanism attached to a first rail and second rail which substantially conforms with a rail profile; and an integral means for attachment to the first rail, wherein the slider mechanism gathers telescoping rails whilst substantially maintaining the strength of the rails in a fully re-directing manner.

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 discloses a connecting structure of a fabricated concrete-filled steel tubular column body. The connecting structure comprises a first steel tubular column section and a second steel tubular column section; the first steel tubular column section is in butt joint with the second steel tubular column section, an inner steel tube is inserted into an inserting groove in a second outer steel tube, and a liner tube is arranged at the connecting position of a first outer steel tube and the second outer steel tube; the first outer steel tube, the second outer steel tube and the liner tube are welded into one through V-shaped groove welding; cementing materials are poured into gap areas in the first outer steel tube and the second outer steel tube, and air in the gap areas is exhausted though exhaust vents; and connecting plates are mounted on a first lug plate and a second lug plate through bolts. The connecting structure has the advantages that the shear-bearing ability of the connecting parts is improved, so that the column body reaches the normal section compression-bending bearing force and the shear-bearing ability which are not less than those of cast-in-place concrete,mounting is easy and convenient, the production and construction efficiency is improved, dust and noise pollution is further reduced, and the environmental-friendly requirements of green buildings are met.

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 permeable framework comprising a base frame, and further comprises four hooked connecting components, wherein the base frame is a right pyramid, and comprises 6 frame rods which are the same in length and connected with each other; and the hooked connecting components extend outwards from the four points of the right pyramid along the frame rods respectively, and are L-shaped or C-shaped. The hooked connecting components which are arranged in different directions and can be hooked with each other are additionally arranged on the basis of the right pyramid-shaped permeable framework, so as to be snapped in the right pyramid of an original dispersing body. Therefore, a bottom protection group structure is formed; and even when the speed of part water flow is larger, a single self hooked permeable framework structure can not be scoured away due to the mutual coverture and the protection effect of a periphery structure, so as to perform a favorable underwater bottom protection function and a function of protecting part of a river bed from being scoured.

A system and a method for realizing superconducting energy storage and utilization by using renewable energy water electrolysis hydrogen production are disclosed. Power generated by a renewable energy power generation device is conveyed to a current conversion device, the current conversion device converts current forms and reasonably distributes the current forms, water electrolysis hydrogen production equipment reasonably distributes prepared gaseous hydrogen, hydrogen liquefaction equipment converts gaseous hydrogen into liquid hydrogen and then reasonably distributes the liquid hydrogen, a high-temperature superconducting energy storage device does work after receiving the liquid hydrogen to stabilize power fluctuations of the renewable energy power generation device, meanwhile part of the liquid hydrogen is gasified and flows back into a gas tank of the water electrolysis hydrogen production equipment, and the gas tank and a liquid tank respectively convey surplus gaseous hydrogen and liquid hydrogen to a gaseous hydrogen user side and a liquid hydrogen user side. The system and the method organically combine power generation, current transformation, hydrogen production and energy storage, realize a hydrogen energy and high-temperature superconducting energy storage comprehensive utilization system, and are economical, high in intelligent degree, and easy and convenient to operate.

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 present invention relates to a blade assembly with damping elements, which comprises a rotor (5) and blades (6) which are installed on the circumference of the rotor and have a blade platform (7), shank (14) and root (8). A damping element (9) is arranged between respectively adjacent blades (6), said damping element (9) being frictionally connected on rotation of the rotor (5), to at least a first region (1, 2) of a first of the respectively adjacent blades (6), and to a second region (3) of a second of the respectively adjacent blades (6). The blade assembly is characterized by the fact that the damping element (9) is configured and arranged between the first and second blades in such a way that the first region (1, 2) and the second region (3) are located at positions which are significantly spaced apart from one another in the radial direction. This blade assembly provides efficient oscillation damping even in the case of small relative movements between adjacent blades.

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 discloses an ecological-imitating fish passing channel structure based on small and miniature barrages. The ecological-imitating fish passing channel structure comprises a plurality of side walls, each side wall is arranged in the width direction of a riverway at intervals, a first-stage water passing channel is formed between every two adjacent rows of side walls, and a plurality of stages of water passing channels are formed in total; a fish rest area and a water blocking area are arranged on the same stage of water passing channel in the width direction of the river channel at intervals, and the water passing width of the fish rest area is larger than that of the water blocking area; a plurality of water blocking devices are arranged in the water blocking area, a plurality of hidden holes are formed in the inner bottom of the fish rest area along the way, and aquatic plant cultivation devices can be installed in the hidden holes; and water passing platforms are arranged on the sides, close to the bank slope, of the water passing channels, the platforms are arranged to be flat slopes, and different water passing platforms on the upper stage and the lower stage on the same side have the same elevation. The barrage fish passing effect is achieved, the local river ecological environment is protected, and meanwhile, the ecological-imitating fish passing channel structure based on the small and miniature barrages has the local landscape function.

The invention relates to a polyurethane elastic cross-linking agent, a high-strength and high-toughness vegetable protein adhesive and application. The polyurethane elastic cross-linking agent is prepared from the following raw materials: isocyanate, polyol, a catalyst, 2,2-dimethylolpropionic acid, a small molecular diol chain extender, plant polyphenol, a neutralizer and bisulfite. The polyurethane elastic cross-linking agent provided by the embodiment of the invention has excellent compatibility. The vegetable protein adhesive prepared from the polyurethane elastic cross-linking agent is synchronously enhanced in the bonding strength and toughness. According to the invention, the polyurethane elastomer is used as an energy dissipation element, and a physical-covalent double cross-linkednetwork is constructed in a protein matrix through main chain design, so that the design of the high-strength high-toughness vegetable protein adhesive is realized.

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 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 relates to the field of water conservancy and hydropower, in particular an energy dissipation flood discharging device. The energy dissipation flood discharging device is gentler in the energy dissipation process. The energy dissipation flood discharging device comprises a flood discharging hole and further comprises a central shaft and a spiral flow channel. The central shaft is arranged at the axis position of the flood discharging hole, the spiral flow channel is arranged with the central shaft as the axis, an inlet of the spiral flow channel is communicated with an inlet of the flood discharging hole, and an outlet of the spiral flow channel is communicated with an outlet of the flood discharging hole. When water flow enters the structure, the water flow moves spirally along the spiral flow channel and finally arrives at the bottom of the structure. The spiral flow channel is long and many curves exist, so that the water flow is acted by friction force for a long time, and since the water flow collides with the spiral flow channel, a large amount of gravitational potential energy is transferred into heat energy. Thus, the purpose of energy dissipation is achieved.

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.