84results about How to "Effective energy absorption" patented technology

The invention discloses a soft stab-proof/bulletproof material, which comprises a bulletproof fabric layer (1), an STF (Shear Thickening Fluid) composite fabric layer (2) and a thermoplastic resin composite fabric layer (3) which are sequentially overlaid, wherein the bulletproof fabric layer (1) has excellent bulletproof performance; the shear thickening fluid (STF) has a special rheological characteristic and can absorb the quick impact energy; and the resin composite fabric can restrain the movement of fibers, and the destruction of the fabric mainly refers to fiber breakage, which can increase the consumption of the energy. By adopting overlaid bulletproof fabric, STF composite fabric and thermoplastic resin composite fabric layers, the soft stab-proof/bulletproof material of the invention is designed with different stab-proof/bulletproof composite structures, and has the advantages of realizing the complementary advantages of various materials, effectively ensuring the characteristics (include light weight, softness and comfortableness) of the protective materials and having excellent stab-proof/bulletproof performance.

The invention provides an inflatable automobile which is characterized in that the lift force is eliminated by changing the fluid distribution state between the upper part and the lower part of an automobile to change the traditional method that the automobile overcomes the lift force by the weight in hundred years, and therefore, the weight factor does not need to be considered. The bodywork of the automobile is made of light materials; for example, the inflatable layer of the inflatable automobile can be integral or local and can be an outer layer or an inner layer, and meanwhile, a lead-in opening is communicated with a fluid passage, which can greatly reduce the fluid resistance when the automobile runs. In the inflatable automobile which is the lightest in the world, due to the fact that a path through which the fluid of the lower part of the automobile flows is longer than the upper part, and thereby, the pressure of the upper part of the automobile is slightly higher than that of the lower part, and like an invisible hand stably presses the shell of the upper part of the automobile; and compared with the traditional automobiles, the inflatable automobile is more stable and saves more energy when running at high speed. Because the bodywork is the inflatable layer, when an accident happens unfortunately, the self safety is ensured, and meanwhile, the safety of hit automobiles or pedestrians is also increased, the inflatable automobile saves the most energy in the world and is extremely safe.

An ankle and foot protector accessory for hockey players includes a front flexible vertically elongated rectangular instep protector pad constructed of fabric laminations having formed therebetween a vertical series of laterally elongated pockets, each holding an impact force attenuating shield made of a strip of hard, elastic material such as high density polyethylene (HDPE). Flexible laminated ankle protector pads protruding from opposite vertical sides of the instep protector pad are bendable over opposite sides of a skate and releasably secured by a strap and buckle protruding from opposed pads. Each ankle protector pad has a pocket holding an impact force attenuating shield consisting of a circular meniscus-shaped, outwardly convex shell made of an elastic material such as HDPE, which. reversibly deforms into a concave shape upon impact, thus attenuating forces transmitted to the ankles. Optionally, one or more shields may be backed by a resilient material such as a gel.

The invention discloses an energy-absorbing steering tubular column, which belongs to the field of automobiles. The steering tubular column comprises an upper column tube, a lower column tube, an upper steering shaft, a lower steering shaft, an upper mounting bracket, a lower mounting bracket and a damping device. Through the damping device, energy is absorbed by secondary crumpling of the steering tubular column to reduce collision peak force; when secondary collision takes place, an upper steering shaft assembly and a lower steering shaft assembly slide relative to each other, and the air in the lower steering shaft is compressed and overflowed out of constant flow holes in an upper damping ring and a lower damping ring, so energy is effectively absorbed in the entire crumpling process,the time for acting collision force on a human body is prolonged, and the safety of a driver is protected.

The invention discloses an energy absorption structure for a corrugated sandwich panel. The energy absorption structure consists of an upper panel, multiple layers of corrugated cores, a sandwich panel and a lower panel, all of which are sequentially stacked and are adhered by an epoxy-structure adhesive or brazed to form an integrated structure; the section of the corrugated core is in a trapezoid, triangle or sine curve shape, and when the layer number of the corrugated cores is larger than or equal to two, the arrangement manner of the corrugated cores is regular arrangement, staggered arrangement or 0-degree or 90-degree arrangement. The energy absorption structure for the corrugated sandwich panel has the characteristics of light weight, strong toughness and good shock resistance; in the whole energy absorption procedure, the impact force is stable; due to the openness of a core material structure, the energy absorption structure can effectively and actively dissipate collision heat during collision, so that the structure material avoids yielding in advance under the influence of high temperature. The energy absorption structure for the corrugated sandwich panel can be applied to an automobile buffering energy absorption device, and also can be applied to any load and field needing the buffering energy absorption structure.

The invention discloses a force-responsive polymer foam particle and a preparation method thereof; under the action of mechanical force, force-sensitive groups and/or force-responsive components in the force-responsive polymer foam particle undergo chemical and/or physical changes, so that the foam particles form force response. In the polymer foam particle, a force-sensitive group/force responsecomponent with a force response characteristic is introduced, so that a force-responsive foam product with a wide controllable range, and a rich structure and various performances can be prepared. Theforce response polymer foam particle can be used for producing foam packaging materials, impact-resistant protective materials, damping materials, buffer materials, silencing materials, thermal insulation materials and the like with a force response function so as to be widely applied.

A gate latch extension handle assembly configured for pivotally engaging a latch arm of a hinged catch of a gate latch assembly on a same side of a gate as the gate latch assembly includes a vertical member with a means for pivotal attachment to the latch arm of the hinged catch of the gate latch assembly. A guide bracket has a guide channel sized and shaped to slidingly receive a portion of the vertical member and allow and guide vertical reciprocating movement of the vertical member through the guide channel. A horizontal member attached to the top end of and perpendicular to the vertical member. The vertical member transmits to the latch arm force exerted on the horizontal member. Components may optionally include a phosphorescent polymer coating or additive to glow in the dark. A removable, permanently attached or integrally formed handgrip surrounds at least a portion of the horizontal member. Optionally, an adjustable extension is attached to the bottom end of the vertical member.

The invention discloses an automobile front collision energy absorption protection structure. The structure comprises an energy absorption front base, an energy absorption rear base, a fixing bolt, afixing nut and an energy absorption spring, wherein the fixing bolt comprises a bolt head and a column, the bolt head is welded to an automobile front anti-collision beam, and the bolt column is welded to an automobile front longitudinal beam; the bolt column penetrates through the energy absorption front base and the energy absorption rear base and is sleeved with the energy absorption spring, and the energy absorption spring is located between the energy absorption front base and the energy absorption rear base; the fixing nut is in threaded connection with the bolt column in the axial direction of the bolt column; the bolt head, the energy absorption front base, the energy absorption spring, the energy absorption rear base and the fixing nut are sequentially distributed. The protectionstructure has the advantages that the structure is reasonable, when an automobile collides from the front, energy can be effectively absorbed, the energy absorption process is stable and efficient, the energy absorption effect is good, and the safety protection capacity is high; the two-stage protection effect is achieved, avoiding space can be automatically provided, and personal protection of adriver is facilitated.

The invention relates to a composite material with the functions of sound absorption and damping vibration attenuation. The composite material comprises the following components: chlorinated polyethylene (CPE) and seven-hole polyester staple fiber (SPSF) with the volume percentage of 100:5 to 25; a preparation method comprises the following steps: (1) adding chlorinated polyethylene (CPE) powder in a roller to prepare a thin sheet; adding the seven-hole polyester staple fiber and mixing; peeling mixing materials, cooling at room temperature and obtaining mixed thin piece for spare use; and (2) evenly laying the mixed thin piece in a cavity of a mould; clamping the upper part and the lower part of the mould by steel plates; moving the steel plates into a plate vulcanizing press, discharging and pressurizing; taking down the steel plates, cooling the steel plates and the mixed materials with water, demoulding and obtaining the composite material. The composite material can be used for the preparation of automobiles, track traffic, building, machinery, household appliances and sport devices. The composite material with functions of sound absorption and damping vibration attenuation can effectively absorb energy when in vibration, expands the action temperature area of vibration attenuation and sound absorption with the adding of fiber materials; and the preparation method has simple operation and good economic benefit and is applicable to industrial production.

The invention relates to a stable wave power generation system. The stable wave power generation system comprises an energy collection unit, an energy collection and output system and a water turbine generator set, wherein the energy collection unit is used for collecting the energy of an unstable power source and converting the energy into energy which can achieve reciprocating rectilinear motion; the energy collection and output system is used for converting the energy which can achieve reciprocating rectilinear motion into liquid energy with specific pressure and driving the water turbine generator set to achieve power generation; the energy collection unit is connected with the energy collection and output system, and the energy collection and output system is connected with the water turbine generator set; and the energy collection unit comprises a wave energy collection unit. The stable wave power generation system can protect equipment to the utmost extent, prolongs the service, improves the reliability, can also greatly simplify the manufacturing technique of a wind power generation system, has stronger adaptability to wind speed change, can absorb all energy and can fundamentally solve the problem of low-voltage ride-through of electric power Internet surfing of a traditional wind power generation system.

The invention discloses a tenon and mortise type vehicle frame for a battery pack of an electric vehicle. The tenon and mortise type vehicle frame comprises a tenon and mortise type vehicle frame structure, a battery box body, an air cooling heat dissipating structure and a vehicle body floor, wherein the tenon and mortise type vehicle frame structure is fixed at the lower part of the vehicle body floor, and the air cooling heat dissipating structure is fixed at the upper part of the vehicle body floor; the tenon and mortise type vehicle frame structure is a framework structure spliced from four tenon opening pipes through tenon opening connectors, and foamed aluminum is stuffed in the tenon opening pipes; the battery box body is fixed on the inner part of the framework structure; the air cooling heat dissipating structure comprises an air duct body and a heat pipe group, and the air duct body is fixed at the middle part of the vehicle body floor. According to the tenon and mortise type vehicle frame provided by the invention, under the premise that requirements of the strength and the rigidity of the vehicle body structure of the electric vehicle and the collision effect are satisfied, the safety problem of the battery pack of the electric vehicle is comprehensively solved, the tenon and mortise type vehicle frame has the advantages of collision safety property, heat safety property, bottom impact resistant property, water resistance and dust resistance, and the tenon and mortise type vehicle frame is convenient to dismount and mount.

The invention relates to an expanded-flow hybrid dynamic polymer, which at least contains vitrification swelling property and contains common covalent cross-linking above a gel point and a dynamic unit. The expanded-flow hybrid dynamic polymer has excellent swelling property, the common covalent crosslinking provides good structural stability for the swelling hybrid dynamic polymer, and the dynamic unit has dynamic reversibility, provides synergistic swelling property, molecular level and microscopic self-repairing property and shape memory property for the swelling hybrid dynamic polymer, andimproves the strength, toughness and damage resistance of the material. The expanded-flow hybrid dynamic polymer can be used as an energy absorbing material, a tough material, a shape memory materialand the like, and is widely applied to impact resistance protection, shock absorption, damping, sound absorption, noise elimination, packaging, medical treatment, traffic and the like. The inventionalso relates to a method for realizing the flow expansion property of the hybrid dynamic polymer, and an energy absorption method for absorbing energy by taking the hybrid dynamic polymer with the flow expansion property as t energy absorbing material.

The invention discloses a production method for foamed aluminum. The method sequentially comprises the following steps of: feeding an aluminum ingot serving as a raw material into a foamed aluminum production line; placing the aluminum ingot into a heating crucible; heating and melting the aluminum ingot and pouring the molten aluminum ingot into a foaming box; adding a foaming agent into the foaming box for foaming; conveying the aluminum ingot out by using a conveyor belt after the foaming is finished; placing the foamed aluminum ingot on ground and naturally cooling the foamed aluminum ingot; cutting the cooled aluminum ingot into slices according to requirements of a customer; placing the sliced aluminum ingot on an oil press to compress by a certain height; cutting edges according to the specification of the customer; and packaging the aluminum slices to obtain the foamed aluminum. Because a porous structure is adopted, the foamed aluminum has semi-permanent sound-absorbing performance, is made of metallic material, fire-resistant completely and is completely free from hazard of noxious gases; the porous structure can effectively absorb energy and has a remarkable energy-absorbing effect in high-impact deformation rate; and the foamed aluminum does not have toxicity or smell or produce dust, peculiar smell or harmful substances to human body such as arsenic acid and the like and can be completely recycled and prepared from waste aluminum.

The invention provides an armor plate. The armor plate comprises a bulletproof steel plate, a high molecular polyethylene plate and a buffer layer arranged between the bulletproof steel plate and the high molecular polyethylene plate, wherein the buffer layer is provided with micropores. According to the armor plate, the buffer layer with the micropores is arranged between the bulletproof steel plate and the high molecular polyethylene plate in a clamping way, so that the energy generated by impact can be effectively absorbed, the deformation caused by high-speed crash can be borne, the protection effect is improved; on the other hand, a sound proof effect can be achieved.

The invention relates to a wind power stable generating system which comprises an energy collecting unit, an energy converging and outputting system and a water turbine generating unit. Energy of unstable power sources is collected by the energy collecting unit and converted into energy which can linearly and reciprocally move. The energy converging and outputting system converts the energy which can linearly and reciprocally move into liquid energy with certain pressure and drives the water turbine generating unit to generate power. The energy collecting unit is connected with the energy converging and outputting system which is connected with the water turbine power generating unit. The energy collecting unit comprises a wind power collecting unit. The wind power stable generating system can significantly simplify manufacture technology of the wind power generating system, and is suitable for variation of wind speeds and capable of fully collecting energy in a bearing range of structural strength of a vane. The water turbine power generating unit in wind power stable generating system can fundamentally solve the problem of low voltage ride-through of a power grid of a tradition wind power generating system.

An outer body part assembly for a vehicle, including an outer skin and a support member fixed to the outer skin. The outer skin is attached on a structural module of the vehicle via the support member, the support member includes a main body and a flange edge arranged around the main body and connected with the outer skin, the main body is in the form of mesh structure and includes a contact portion for supporting the outer skin and a reinforcement rib projecting from the contact portion for reinforcing the contact portion. The assembly prevents the outer skin from sinking, benefiting from the lightweight of the main body of the mesh structure, and the main body meets the supporting strength requirements by enhancing the strength of the mesh structure with the reinforcement ribs. In addition, the mesh structure also provides an effective energy absorption in case of a crash.

The application specifically discloses an anti-windage-yaw cross arm and a power transmission tower. The anti-windage-yaw cross arm includes a post insulator having one end connected to the body of aniron tower; and a cable-stayed insulator having one end connected to the iron cross arm of the iron tower, and the other end connected to the other end of the post insulator away from the iron towerin order that a stable support structure with an angle is formed between the cable-stayed insulator and the post insulator; wherein the post insulator and the cable-stayed insulator are located between a wire and the iron tower to stop the wire from getting close to the iron tower. The stable support structure with an angle is formed between the cable-stayed insulator and the post insulator, so asto suppress a windage yaw flashover accident caused by the fact that the wire sways in the wind and thus gets close to the iron tower, and ensure a safe electrical gap between the wire and the iron tower under high wind conditions. The post insulator and the cable-stayed insulator are not directly connected to the wire, but are disposed between the iron tower and the wire, so that when the powergrid is charged, the anti-windage-yaw cross arm can be directly installed or modified on the iron tower without power outage.

The invention discloses an overload impact resistant planetary reducer, a robot joint and a quadruped robot, and belongs to the technical field of planetary reducers, robot joints and quadruped robots. The overload impact resistant planetary reducer comprises a tooth surface part made of a rigid material and a buffer part capable of being elastically deformed; and the buffer part is made of a material which has certain rigidity and can be elastically deformed under impact force, and the buffer part and the tooth surface part are coaxially nested together to form a reducer part capable of preventing overload impact. Through continuous exploration and test, the tooth surface part made of the rigid material and the buffer part capable of being elastically deformed are arranged to form the reducer part capable of preventing overload impact, so that the reducer part can be elastically deformed under the impact force, energy during overload impact is effectively absorbed, transmission parts such as gears are protected, and the structure is simple and practical.