54results about How to "Dissipated more" patented technology

The invention discloses an energy-absorbing method based on a combined hybrid cross-linked dynamic polymer. The energy-absorbing method realizes energy absorption by using the combined hybrid cross-linked dynamic polymer containing at least two boron-containing dynamic covalent bonds and common covalent cross-linking formed by a common covalent bond. Through introduction of the boron-containing dynamic covalent bonds with different dynamic natures and combination of the boron-containing dynamic covalent bonds with the common covalent bond, polymeric materials of abundant structures and with awide controllable range and diversified properties can be prepared. Due to the difference between the different boron-containing dynamic covalent bonds in the dynamic polymer, the dynamic polymer canpresent hierarchical dynamic reversible effects, so the dynamic polymer shows good energy dissipation and energy absorption characteristics and has toughening, damping and impact-resisting effects onmaterials in specific structures. The dynamic polymer of the invention is applicable to the body protection of people in exercises and daily life, the body protection of the military police, explosionprevention, protection in airborne landing and aerial delivery, collision prevention of automobiles, anti-impact protection of electronic products and electric appliances, etc.

The invention discloses a dynamic polymer with a hybrid cross-linked network. The dynamic polymer contains common covalent cross-linking and dynamic covalent organic borate bonds. The dynamic polymerintegrates the respective advantages of the dynamic covalent organic borate bonds and the common covalent cross-linking, and polymeric materials of abundant structures and with diversified propertiescan be prepared by regulating the structures of reactants. The high dynamic reversibility of the dynamic covalent organic borate bonds in the dynamic polymer allows the polymer to present the functional characteristics of stimulation responsiveness, self repair performance; the common covalent cross-linking endows the dynamic polymer with certain strength and stability; moreover, based on the dynamic nature of the dynamic organic borate bonds, the dynamic polymer has the characteristics of energy dissipation and energy absorption and the good functions of damping, shock absorption, sound insulation, impact resistance, high toughness and the like. The dynamic polymer can be used for preparing damping and buffering materials, anti-impact protection materials, self-repairing materials, toughmaterials, force transducers, etc.

The invention provides a shearing type buckling-restrained energy dissipation brace which has similar tension and compression stiffness, can be mounted and manufactured easily and conveniently, is low in manufacturing cost and comprises a core steel plate, two outer-layer steel plates and bolts. The two outer-layer steel plates are respectively placed on two sides of the core steel plate, mounting connecting sections and steel plate connecting sections are arranged at two ends of the core steel plate, an energy dissipation section is arranged in the middle of the core steel plate, open slots are formed in two ends of the energy dissipation section, deformation holes which are regularly arrayed are formed in positions between the open slots in the two ends of the energy dissipation section, core bolt holes are formed in the steel plate connecting sections, outer-layer bolt holes which are matched with the core bolt holes are formed in the outer-layer steel plates, and the bolts are connected with the core steel plate and the outer-layer steel plates by the core bolt holes and the outer-layer bolt holes. The shearing type buckling-restrained energy dissipation brace has the advantages that the deformation holes which are regularly arrayed are formed in the energy dissipation section of the core steel plate, so that energy can be dissipated, and the shearing type buckling-restrained energy dissipation brace has the similar tension and compression stiffness; the mounting connecting sections and the steel plate connecting sections are arranged at the two ends of the core steel plate, and accordingly the shearing type buckling-restrained energy dissipation brace can be manufactured and mounted conveniently.

In one embodiment, the present invention is a heat sink apparatus comprising a heat sink device and a heat sink shroud. The heat sink device is for transferring heat from a heat source. The heat sink shroud is thermally coupled with the heat sink device. Hence, the heat sink shroud transfers heat from the heat sink device and dissipates the heat generated by the heat source.

The invention discloses an assembled frame system with a concrete filled steel tube branch limb combined special-shaped column and a shock absorption wall and belongs to the field of building structure techniques and earthquake resistance and shock absorption of structures. The system primarily comprises a round concrete filled steel tube long column welded steel batten plate, and a prefabricatedcorner column, a prefabricated side column, a prefabricated middle column, a reinforced concrete beam, a steel plate wall, a prefabricated steel floorslab, a column-column connecting sleeve, a column-beam anchoring part, a middle column-beam anchoring part, a beam-plate connecting part, ECC post-cast strips and the like prepared by pouring concrete outside. Upper and lower concrete filled steel tubes are connected through the column-column connecting sleeve, and the column-beam anchoring part, the middle column-beam anchoring part and the round concrete filled steel tube long column are connected and prefabricated through dowels, so that the beam-column node connecting performance is enhanced. The ECC post-cast strips are arranged at two ends of the beam and the wall and are poured up anddown in a penetrating manner, so that the energy consumption ability and the anti-earthquake performance of the structural system are improved. The assembled frame system achieves the functions of hiding column edges and being attractive in building, a project is simple and rapid to construct, the construction efficiency is high, the nodes are connected stably and reliably, and the structural system is good in anti-earthquake performance.

The invention relates to a power generator set. The power generator set comprises an engine, a power generator providing electric energy for the engine and a soundproof cover with a soundproof function and a protective function. The soundproof cover is provided with a functional opening and a silencing component located inside the functional opening. The silencing component is provided with a functional channel of a labyrinth structure. According to the power generator set, by arranging the silencing component of the special structure, in combination with the optimization of the structural parameter of the silencing component, the sound absorption area is increased beneficially, the transmission path of noise is prolonged beneficially, noise can form multiple reflections in the noise channel beneficially, more energy is dissipated, the silencing effect is better, dust blockage is facilitated, on the premise of guaranteeing that the silencing component meets normal intake and exhaust requirements of the engine and meeting the heat dissipation performance of the power generator set, the noise reduction of the noise within the wide band range (such as 50-6300Hz) is increased, outwardnoise radiation is reduced, and noise of the power generator set is lowered.

The invention discloses a frame system comprising a prefabricated steel tube concrete combined special-shaped column and an energy-consuming steel plate wall. The system mainly comprises prefabricatedcorner columns, prefabricated side columns and prefabricated middle columns, H-shaped steel beams, the energy-consuming steel plate wall with elliptical holes, prefabricated steel floors, column-column connection flanges, column-column connection rubber pads, column-beam connection parts, middle column-beam connection part, column-wall connection parts and the like, wherein the prefabricated corner columns, prefabricated side columns and prefabricated middle columns are made of circular steel tube concrete columns and steel batten plates; the column-column connection flanges, the column-beamconnection parts, the middle column-beam connection parts and the column-wall connection parts are welded and prefabricated with steel pipes; the structural parts are connected by high-strength bolts.A rubber pad is placed between the upper and lower columns to connect the flanges to enhance the connection. Energy-consuming steel wall and steel slabs open holes to improve the energy consumption and seismic performance of the structural system. The invention realizes full dry construction, no wet operation, simple and quick construction engineering, high construction efficiency, stable and reliable node connection, and good seismic performance of the structural system.

The invention discloses a connecting structure of a steel pipe column and a steel beam. A connecting component comprises at least one connecting plate, one side of the connecting plate is used for being attached to the steel pipe column, the other side is used for being connected with an end plate of the steel beam, the end plate is provided with a through hole, the connecting plate is provided with a first threaded hole, the first threaded hole is matched with a unilateral bolt, the unilateral bolt sequentially penetrates through the end plate, the connecting component and the steel pipe column wall, the threaded part of the unilateral bolt is sequentially matched with the first threaded hole and a second threaded hole pre-formed in the steel pipe column, and the connecting component is matched with the unilateral bolt to enable the steel beam to be connected with the steel pipe column and to be fixed. The connecting component plays a role of connection and is also an enhancing component at the same time, through the connecting component, the anchoring length of the bolt, the thickness of the steel pipe column wall and the effective thickness of the outer side of the beam end plate are increased, the anti-deformability of the end plate outside the beam and the steel pipe column is improved, and the anchoring length of the bolt is increased.

The invention discloses a toughening method for a cement-based material. The method comprises the following steps of selection of raw materials, design of a mixing ratio and mixing of the raw materials. The selection of the raw materials further comprises the following steps of gel material selection, fine aggregate selection, coarse aggregate selection, polymer selection, fiber selection and water reducing agent selection. According to the method, a composite technology for industrial waste residues, fibers, polymers and cement clinker is adopted, the performance of each composition with different chemical components is superposed in a structure forming process, the compositions gradually play a role step by step at the corresponding performance level, and the effect of complementing advantages is achieved; the capacity of reinforcing and toughening a cement matrix is greatly improved .The high-performance cement-based composite material with the strength grade of 60 MPa is prepared,and the bending toughness and fracture performance of the material are improved.

The invention provides a combined buckling and energy-consumption preventing support similar in tension and compression rigidity, simple and convenient to mount and manufacture and low in manufacturing cost. The combined buckling and energy-consumption preventing support comprises a kernel steel plate and an outer steel bushing and is characterized in that mounting and connecting sections are arranged at two ends of the kernel steel plate, an energy consumption section is arranged in the middle of the kernel steel plate, open slots are formed in two ends of the energy consumption section, deformation holes in regular array are formed the open slots in two ends of the energy consumption section, the outer steel bushing wraps the energy consumption section, filling materials are filled between the outer steel bushing and the energy consumption section, and energy consumption materials are filled in the open slots and/or the deformation holes. By the arrangement of the deformation holes in regular array in the energy consumption section of the kernel steel plate, seismic energy can be dissipated, and the tension and compression rigidity can be similar; manufacturing and mounting can be facilitated by the mounting and connecting sections and the steel plate connecting sections arranged at the two ends of the kernel steel plate.

The invention relates to a reinforced concrete vibration-isolated foundation. The reinforced concrete vibration-isolated foundation comprises a ring-shaped foundation, high-elasticity reinforcing steel bars, a cup-mouth steel plate, anchoring pins, a steel cover plate, a limiting baffle bar, sealing grease, buffer cushions, a damping filling material, positioning holes, nuts, injection holes and column joint bars, wherein the ring-shaped cavity of the foundation is filled with the damping filling material to achieve the energy-dissipating damping effect. According to the reinforced concrete vibration-isolated foundation, the foundation in the conventional vibration-isolated foundation and a vibration-isolated supporting base are integrated to achieve the dual functions of foundation stress and vibration isolation, so that relatively great uplift force can be borne; the reinforced concrete vibration-isolated foundation has capacity of damping energy dissipation, can be limited and automatically returned, can obtain required horizontal stiffness by adopting different working modes, and can realize the vibration-isolating effect without mounting the vibration-isolated supporting base, so that the engineering cost can be reduced, and the building space can be saved.

The invention discloses an energy absorption structure optimization method taking an expected force response process as a target, and the method comprises the steps: setting a proper expected force response curve, continuously updating the value of a target function in an optimization process in an iteration mode so as to obtain a new finite element model, and enabling an actual force response curve of a structure to be gradually close to the expected force response curve. And the energy absorption capacity of the structure is improved. According to the method, the deformation mode of the thin-walled tube can be changed, low-energy-absorption Euler deformation is changed into high-energy-absorption progressive buckling deformation, and multiple energy absorption evaluation indexes can be improved at the same time. The optimized actual force response curve of the thin-walled tube is closer to the expected force response curve. The energy absorption component obtained through the methodcan generate an ideal deformation mode, more impact kinetic energy is dissipated, and great guiding significance is achieved for design of energy absorption devices of various vehicles.

The invention discloses an anti-penetration material and a preparation method and application thereof.The anti-penetration material comprises an upper coating (1), a restraint layer (2), a ceramic layer (3), a supporting layer (4), an energy dissipation layer (5), an energy absorption layer (7) and a lower coating (8) from outside to inside, the energy dissipation layer (5) comprises a composite material A and a composite material B, the composite material A is a high-performance fiber-shear thickening fluid composite material, and the composite material B is a high-performance fiber-shear thickening fluid composite material. The composite material B comprises at least one of a high-performance fiber-graphene composite material and a high-performance fiber-graphene derivative composite material. According to the anti-penetration material, the composite armor is designed by comprehensively considering factors such as protection performance and maneuverability, the surface density and thickness of a protection structure can be effectively reduced, and penetration damage is limited within a small range.