103 results about "Energy absorbing" patented technology

The invention discloses a composite protective structure resistant to blast shock which is mainly a point truss honeycomb integral protective structure formed by a honeycomb tensile layer and a lattice truss-type compression resistance layer through welding spots and connecting keys, and a foam energy absorbing layer is added on the outer layer. According to the composite protective structure, theforce transmission path of a concrete protective structure under the action of blast is innovatively optimized, the resistance level of the protective structure can be greatly improved, and the structure ductility is improved; and the dispersion of concrete fragments in the structure can be restrained, and the phenomenon of blast and explosion-induced collapse of similar traditional concrete protective structures is eliminated.

The invention relates to a lunar soil microwave heating effect evaluation method. The method comprises the following steps: establishing a microwave cavity model enclosed by a metal boundary; calculating electric field distribution of the lunar soil according to the magnetic conductivity and the complex dielectric constant of the lunar soil; a plurality of sampling bodies are arranged in the target area, and microwave energy absorbed by each sampling body is calculated according to electric field distribution of lunar soil; determining the specific heat capacity of the lunar soil along with the temperature change, and calculating the temperature change rate in each sampling body according to the microwave energy; calculating the standard deviation and the average value of the temperature change rates of all the sampling bodies, and obtaining a variable coefficient along with the temperature change; and when the temperature of the lunar soil is balanced, judging the microwave heating uniformity of the lunar soil according to the variable coefficient. In the process of analyzing the lunar soil microwave heating effect, starting from the first principle, the characteristic that the specific heat capacity of the lunar soil changes along with the temperature is considered, the physical reality that the lunar soil absorption energy changes along with the temperature in the process of converting the lunar soil absorption energy into the temperature is fitted, and the accuracy of lunar soil microwave heating effect analysis is improved.

The invention relates to a sacrificial composite part (1, 10, 100) that absorbs the energy released at the time of a vehicle collision with an impacting object (2), said part consisting of an assembly of a plurality of cells (3, 30, 300), each cell comprising a wall (5, 50, 500) connecting a first end (6, 60, 600) and a second end (7, 70, 700) of said cell, the direction of penetration (8) of the impacting object into said part going from said first end to said second end. Said sacrificial composite part of the invention is characterized in that that peripheral wall of each cell has a decreasing thickness (e) from said first end towards said second end of said cell, in the direction of penetration of the impacting object.

In the energy-absorbing member (10), a first plate section (41) and a pair of second plate sections (42, 42) constitute a base unit (20) having a U-shaped cross-section, the base unit (20) comprising a press-molded article. An inner surface (21) and an outer surface (22) of the basic unit (20) configured in the U-shaped cross-section are contours that do not have an undercut shape in a direction along a reference line (CL2). The first plate section (41) and the pair of second plate sections (42, 42) have imaginary parallelograms (90) that are offset about an axis (CL1) from a first end surface (51) to a second end surface (52) of the base unit (20). At least one of the two diagonal lines (91, 92) of the virtual parallelogram (90) is formed by a fold line.

The utility model relates to the technical field of traffic facility engineering, in particular to an energy-absorbing end head structure, which comprises a support mechanism, a plurality of frames and two connecting rods, the connecting rods are connected among the frames, and the two connecting rods are respectively connected to the bottoms of two sides of the frames; the guardrail mechanism comprises a corrugated plate arranged on one side of the frame and an end plate connected with the corrugated plate. The energy absorption mechanism comprises a guide pipe penetrating through the interiors of the frames and an energy absorption pipe arranged in the guide pipe in a sleeving mode and close to the end, a plurality of notches in the same extending direction as the guide pipe are formed in the end, facing the end, of the guide pipe, and the energy absorption pipe is arranged in the direction facing the end plate; the inclined strut mechanism comprises an inclined rod connected between the side, away from the end, of the guide pipe and the ground, and a fixing column connecting the other end of the inclined rod to the ground. The fixing mechanism comprises a base connected with the connecting rod and a stand column which is connected with the base and extends into the ground. And through the multi-stage energy absorption and stable structure design, the collision impact force is effectively relieved, and the safety and impact resistance of the end area are improved.

A multi-stage honeycomb vibration reduction and energy absorption device with vibration resistance and multi-directional impact resistance relates to the technical field of vibration reduction and comprises a metal shell, a pored hard rubber structure is arranged in the metal shell, a corrugated honeycomb structure is arranged in the pored hard rubber structure, and the corrugated honeycomb structure is formed by uniformly arranging a plurality of honeycomb cells in a common-edge manner; the honeycomb cell is formed by stacking and cementing a plurality of layers of small corrugated honeycomb cells, each small corrugated honeycomb cell comprises six corrugated thin plates, and the six corrugated thin plates are interwoven to form an outer framework of each small corrugated honeycomb cell. The perforated hard rubber structure has good damping performance and transverse impact bearing capacity, impact energy can be effectively dispersed and absorbed, and internal parts are protected. The corrugated honeycomb structure improves the transverse bearing capacity and can cope with external impact in any direction and angle, energy is effectively absorbed, and damage is reduced.

A crash cushion for absorbing energy when impacted by a vehicle includes a number of supports, a number of energy absorbing modules, a front anchor structure, a rear anchor structure, and a pair of elongated rails extending from the front anchor structure to each of the plurality of supports and to the rear anchor. Each of the energy absorbing modules includes first and second longitudinally extending plates positioned between a pair of the support plates and a first laterally extending plate positioned between and attached to the first and second longitudinally extending plates. The first and second longitudinally extending plates and the first laterally extending plate each have a hinge section about which they compress or stretch to absorb impact forces.

The embodiment of the utility model provides a front-end energy absorption structure and a vehicle with the front-end energy absorption structure, and the front-end energy absorption structure is used for the vehicle and comprises a front anti-collision beam assembly, a rear anti-collision beam assembly and a rear anti-collision beam assembly, the front longitudinal beam extends in the front-back direction, and the front end of the front longitudinal beam is connected with the rear end of the front anti-collision beam assembly; the upper edge beam is an integrated piece and extends in the front-back direction, the upper edge beam is located on the side, facing the outside of the vehicle, of the front longitudinal beam, the rear end of the upper edge beam is located above the front longitudinal beam, the front end of the upper edge beam is connected with the rear end of the front anti-collision beam assembly and the front end of the front longitudinal beam, and the rear end of the upper edge beam is connected to a lower A column of the vehicle. According to the front-end energy absorption structure, the reliability and stability of the front-end energy absorption structure can be improved, the force transmission path is optimized, it is guaranteed that the front anti-collision beam assembly is completely crushed, extrusion of a passenger compartment is relieved, the assembling time can be shortened, the assembling cost can be reduced, and light weight is facilitated.

The utility model discloses a excimer laser energy absorption device and optical shutter with reflecting device, and the outer sleeve one end opening constitutes the laser entrance window for laser incidence, and the inner chamber cavity wall of outer sleeve is conical platform and constitutes the first reflection surface of can reflect laser, and the outer sleeve is equipped with the reflection cone of conical body, and the second reflection surface is constituted to the reflection cone outer peripheral surface, and the vertex of reflection cone points to laser entrance window. The utility model discloses still a kind of optical shutter using the absorption device, and laser entrance, first laser exit and second laser exit are equipped on the shell, and laser entrance is communicated with second laser exit, and the shell is rotatably connected with mirror assembly, when mirror assembly is in second position, laser is emitted from first laser exit, when mirror assembly is in first position, laser is emitted from second laser exit to excimer laser energy absorption device after being reflected by mirror assembly. The utility model absorption device absorption is good, and optical shutter can realize higher industrial production efficiency.

The invention provides a finite element numerical simulation method based on photo-thermal lens spectrum insulating oil furfural detection, and relates to the field of numerical analysis of an insulating oil detection technology. The method comprises the following steps: constructing a geometric model comprising insulating oil containing trace furfural, an optical window and a detection plane to obtain a pump beam and a probe beam; the refractive index in the pump beam propagation process is solved; presetting extinction coefficients corresponding to the furfural with different concentrations, and obtaining photothermal effect data of the multi-concentration furfural; calculating the temperature distribution after the insulating oil absorbs energy, and describing the change relation of the refractive index along with the temperature through a thermo-optical coefficient; insulating oil temperature distribution and pump beam propagation characteristics in a steady state are obtained; solving the thermal stress of the insulating oil to the optical window sheet under the excitation of the pumping light beam; non-isothermal flowing and fluid-solid coupling behaviors of the insulating oil under the thermal lens effect are simulated, and fluid solving is carried out; the influence of the thermal lens effect on probe beam propagation is solved; and light spot distribution of the detection probe light beam is obtained.

The utility model relates to the technical field of composite aluminum plates, in particular to a composite aluminum plate with a reinforcing mechanism, a plurality of empty grooves are formed in the inner side of a fixing frame, cushion blocks are arranged at the bottoms of the empty grooves, a fixing block is arranged in the middle of the upper end of a base plate body, a plurality of reinforcing plates are arranged on the peripheral side of the fixing block, clamping grooves are formed in the cushion blocks, and the reinforcing plates are arranged in the clamping grooves. Clamping blocks inserted into the clamping grooves are arranged at the outer ends of the reinforcing plates, and through a reinforcing structure composed of the fixing blocks, the reinforcing plates and the tough plates, when the composite aluminum plate is subjected to bending force, all the components cooperate to disperse stress. The tough plate made of the glass fiber material resists deformation while absorbing energy, the reinforcing plate made of the aluminum alloy material provides rigid support, and the tough plate and the reinforcing plate are matched with each other, so that the bending resistance of the composite aluminum plate is greatly improved. When the composite aluminum plate is used as a curtain wall material, the influence of deformation on building beauty can be effectively avoided, the service life of the composite aluminum plate is prolonged, and the maintenance cost is reduced.

An energy absorbing structure of a vehicle includes an energy absorbing structure including a plurality of interconnected structural members positioned at the vehicle. The energy absorbing structure is selectably transformable between a stowed position and a deployed position, and the plurality of interconnected structural members are configured to absorb an energy of an impact event by one or more of deformation and fracture of at least one structural member of the plurality of interconnected structural members.

An angle-adjustable, movable sports practice, performance-enhancing, teaching device disclosed is a target that is dazzling, illuminating brightly colored for better optics which better assist in focusing and improving accuracy during practice. The device can be adjusted to different angles simulating various in-game scenarios, thereby providing a dynamic versatile training tool for athletes, applicable to a variety of sports where precision and accuracy are critical. The device comprises an image thereof, being brightly colored, having hooks or straps to attach to basketball goals, goal posts, or used in the practitioner's preferred sport. The devices hooks, hole or straps are for moving it to various positions, angles, and heights. The built in hole or hooks allow the device to be moved using a common twist off household broom or mop handle. The device is made of material that has energy absorbing properties which allow it to glow in the dark.

The invention discloses a prestress adjusting device which comprises a frame, a left transverse stress steel bar and a right transverse stress steel bar, two independent stress applying gears and gear blocking pieces are arranged in the frame, steel bar lock catches are arranged on the lower portions of the two sides of the frame respectively, one end of each transverse stress steel bar is of a sawtooth structure, and the other end of each transverse stress steel bar is of a sawtooth structure. The sawtooth structure end of the transverse stress steel bar penetrates through the steel bar lock catch to enter the frame, the sawtooth structure is meshed with a stress applying gear, the transverse stress steel bar located outside the frame penetrates through the protection pipe, and the outer tail end of the transverse stress steel bar is fixedly connected with an anchoring piece. Therefore, the wall body can bear larger force and deformation, then the stability and safety of the whole house are kept, and the large market prospect is achieved.

The invention discloses a production method of a high-Ni ultrahigh-strength high-toughness steel plate. The steel comprises the following chemical components in percentage by mass: 0.03-0.05% of C, 0.10-0.35% of Si, 0.50-0.70% of Mn, less than or equal to 0.008% of P, less than or equal to 0.0053% of S, 8.6-9.0% of Ni and the balance of Fe and inevitable impurities. The steel plate is produced by adopting a continuous casting billet with the thickness of 180-220 mm, and the thickness of the steel plate is 10 In the casting process, 1-2 kg / min of iron powder is added into a crystallizer so as to control the lower superheat degree; a high-temperature short-time heating process is adopted for the blank, the heating temperature ranges from 1240 DEG C to 1260 DEG C, the heat preservation time ranges from 20 min to 40 min, and water cooling is conducted to the temperature below 350 DEG The heat treatment adopts a quenching, tempering and water cooling process, the quenching temperature is 780-820 DEG C, the tempering temperature is 580-620 DEG C, and water cooling is performed after tempering. According to the steel plate produced through the method, the tensile strength ranges from 760 MPa to 820 MPa, the yield strength ranges from 650 MPa to 690 MPa, and the impact absorption energy at the temperature of minus 196 DEG C is larger than or equal to 120 J.

This invention belongs to the field of rockburst prevention and support in coal mine roadways, specifically providing a spiral energy-absorbing component, a support frame including the component, and a construction method. The spiral energy-absorbing component and support frame involve several parts: the spiral energy-absorbing component, the invert arch, and the arch crown. In the initial stage of roadway excavation support, the spiral energy-absorbing component partially deforms to adapt to the cross-sectional shape. During rockburst, energy is absorbed by the curling of the spiral region of the component, thus constituting primary support. After the internal support columns are fitted, the impact energy is absorbed through the plastic buckling of the component material and the concrete within the central columns, forming secondary support. The internal support provides the main support force for the steel-concrete composite structure. Therefore, this invention can achieve partial absorption of impact energy, improving the energy absorption level. Furthermore, it possesses a two-stage energy absorption buffer mechanism and a steel-concrete composite structure with extremely high load-bearing capacity, greatly improving the safety of roadway support.

The invention discloses a gas-magnetic-liquid parallel tangential synergistic grinding wheel femtosecond laser trimming device. According to the technical scheme, the gas-magnetic-liquid parallel tangential synergistic grinding wheel femtosecond laser trimming device is characterized by comprising a double-blowing gas system, an electric magnetic field system, a femtosecond laser trimming system, a grinding wheel and a liquid phase cooling box. Plasma formed in the femtosecond laser trimming process can be blown off under the auxiliary action of the two-way air blowing pipe, the plasma is prevented from returning to cover the surface of a grinding wheel, and the chip containing space around abrasive particles and the height of the abrasive particles protruding out of a binding agent are reduced; the cooling liquid in the liquid-phase cooling box can avoid the defects of hot cracks, graphite metamorphic layers, re-coagulation layers, residual tensile stress and the like caused by heat accumulation around the diamond abrasive particles; uniform magnetic field distribution formed by the electric magnetic field system can adjust distribution uniformity of substances on the surfaces of the abrasive particles, pits and convex points on the surfaces of finished diamonds caused by non-uniform energy absorption of the diamond abrasive particles are avoided, and accordingly finishing efficiency and finishing quality are greatly improved.

A wearable energy absorbing and dispersing standoff spacer, system, and method for use or incorporation with an armor plate or panel, and / or a carrier for the same, uses one or more spacer panels having features that interlock to form a stack having a desired standoff thickness and resilient compressibility for absorbing and dispersing forces exerted thereagainst from ballistic impacts to reduce traumatic effect on a wearer while limiting lateral displacement of the spacer particularly under lateral forces, and that is readily and easily adaptable to provide customizable support, positioning, and orientation for the armor plate or panel, and fit and comfort for the wearer, particularly female wearers.

The application discloses an assembled let-pressure edge hole opening protection device and a construction method thereof, and belongs to the technical field of building construction. The assembled let-pressure edge hole opening protection device comprises a baffle main body, a let-pressure device and a main body structure. The baffle main body is of an assembled structure and is composed of an observation plate and a blocking plate. The observation plate and the blocking plate are connected through a buckle structure to form a whole. The let-pressure device is connected with the main body structure through high-strength screws. When the let-pressure device is subjected to impact load, the self structure of the let-pressure device is deformed to achieve the effect of absorbing energy. The application further provides a construction method of the assembled let-pressure edge hole opening protection device. The let-pressure device can effectively reduce the damage of impact load to the protection device, improve the safety performance of the whole structure, reduce the manpower maintenance cost, comprehensively reduce the cost in the whole life cycle, and is widely applicable to the protection work of edge hole openings in the construction process of various building structures.

This invention belongs to the field of power battery box simulation technology, specifically relating to a lightweight method for new energy vehicle battery boxes. The method effectively reduces the overall weight of the battery box by lightweighting the upper body, internal transverse and longitudinal beams, and lower body, while simultaneously improving the strength and rigidity of the box. Multi-objective optimization was performed to determine the thickness of each layer of the carbon fiber honeycomb sandwich lower body, improving the safety performance of the battery box. The use of a carbon fiber honeycomb sandwich lower body prevents the battery box from being impacted from the bottom, allowing for rapid energy absorption and effectively protecting the internal battery modules from impact damage. Simultaneously, the improved honeycomb sandwich structure also enhances the structural strength of the lower body, thereby extending the service life of the box. This provides a new solution for the optimized design and development of new energy vehicle battery boxes, shortening the product design and development cycle and reducing development costs.

Apparatus (100) for absorbing an impact is disclosed. The apparatus (100) comprises a connected array of tubular structures (101) defining a surface. Each tubular structure (101) has a wall (103) defining an interior region (104) of the tubular structure (101) extending substantially along an axial direction of said tubular structure (101). The axial direction of each tubular structure (101) extends substantially perpendicularly to the surface. The wall (103) of each of a plurality of the tubular structures (101) is at least partially discontinuous, such that said tubular structures (101) preferentially deform in the region of the discontinuity during an impact.

The utility model relates to the technical field of LED lighting equipment, and discloses an LED lighting lamp anti-collision buffer device which comprises an outer shell, an inner shell, a buffer assembly and a connecting assembly, the outer shell is a hollow cylinder, and the top and the bottom of the outer shell are both open. According to the anti-collision buffering device for the LED illuminating lamp, through the synergistic effect of the multiple buffering springs, the buffering pad and the damping device, when the LED illuminating lamp is collided, energy generated by collision can be effectively absorbed, collision kinetic energy is converted into elastic potential energy through elastic deformation of the multiple buffering springs, the energy is further buffered and absorbed through the buffering pad, and the anti-collision effect of the LED illuminating lamp is improved. The damping device slows down the moving speed of the inner shell and prolongs the energy absorption time, so that the impact of collision on the LED illuminating lamp is greatly reduced, the internal structure and light-emitting elements of the LED illuminating lamp are protected, the design of the connecting assembly enables the device to be conveniently installed on various street lamp poles or installation supports, and the application range is wide.

A method includes: manufacturing an automotive crashworthiness energy absorbing part; and assembling an automotive body by attaching the manufactured automotive crashworthiness energy absorbing part to the automotive body, wherein the manufacturing the automotive crashworthiness energy absorbing part includes: manufacturing a pre-coated part including a tubular member formed using a hat-shaped section member including a top portion and a side wall portion, and a coating part having quality of material with a strength lower than that of the tubular member, the coating part being disposed with a gap of 0.2 mm to 3 mm on an outer surface of a portion including a corner connecting the top portion and the side wall portion in the tubular member to form a coating film; and forming a coating film by forming a coating layer by electrodeposition coating in at least the gap in the pre-coated part, and thermally curing the coating layer.

The invention discloses a laser welding method for plastic and silica gel, and relates to the field of laser plastic welding processes. The method solves the technical problem that the traditional silica gel and plastic cannot realize the welding process. The method comprises the following steps: adopting a TPSIV material, and adding an infrared absorbent into the TPSIV material to modify the TPSIV material so as to adjust the absorption performance; providing a laser-penetrable plastic part as an upper part, and taking the modified TPSIV silica gel part as a light absorption part; after the upper part is matched with the light absorption part, a laser beam is guided to penetrate through the upper part and irradiate the light absorption part, the light absorption part absorbs energy to be melted, and welding combination is achieved through heat conduction. The invention realizes firm connection between the plastic and the silica gel, and is applicable to precise structures such as electronic cigarette cartridges and the like.

The utility model discloses a plate structure, a battery device and a power utilization device, the plate structure comprises a first layer plate, a second layer plate and a third layer plate which are sequentially stacked along a first direction, and the second layer plate is a nylon particle foam plate. According to the plate structure, the nylon particle foam plate is clamped between the two layers of plates, the first layer of plate can disperse impact force, so that the foam plate is evenly stressed, the energy absorption characteristic is fully played, local failure is avoided, the internal foam structure of the nylon particle foam plate can effectively cope with impact, and the nylon particle foam plate is excellent in mechanical property, high in strength and high in toughness; when the foam board is impacted, energy is absorbed through foam hole deformation and nylon particle effect, the structure is kept stable, the third layer board provides supporting and restraining, excessive deformation of the foam board is prevented, and the integrity of the whole structure is guaranteed. The characteristics of the three layers of materials are complementary, an energy transfer path is optimized, the compression deformation capacity and the impact resistance capacity of the whole plate structure are greatly improved, structural safety and stability can be effectively guaranteed, the service life is prolonged, and the maintenance cost is reduced.

The utility model discloses safety net impact test performance detection equipment, and relates to the technical field of safety net impact detection. The device comprises a detection seat, the top surface of the detection seat is fixedly provided with an L-shaped frame, the top surface of the L-shaped frame is fixedly provided with a plurality of groups of tower bodies, the top surface of the detection seat and the top ends of the tower bodies are provided with lifting mechanisms, and the end parts of the lifting mechanisms are fixedly provided with electromagnets. According to the safety net, residual impact force generated after an iron heavy object penetrates through the safety net can be effectively absorbed through the buffering and energy absorbing assembly located below the L-shaped frame, the iron heavy object is prevented from damaging the ground, meanwhile, the risk of bouncing or secondary impact is reduced, and safety of operators and the surrounding environment of equipment is guaranteed; the tension and stress conditions of the safety net are monitored in real time through the tension sensor, the impact resistance, penetration resistance, connecting point strength, abrasion conditions and the like of the safety net are comprehensively evaluated, and the comprehensive performance detection requirements in different application scenes are met.

Provided is a liquid hydrogen tank that comprises a tank that comes into contact with liquid hydrogen and is formed from a steel material that has absorption energy sE measured by an impact test at a measurement temperature of -196°C or lower using a three-surface slit Charpy impact test specimen, the absorption energy sE satisfying expression 1 or expression 2:　expression 1: sE≥19+0.68×ΔT, in expression 1, the measurement temperature is within a range from more than −253°C to no more than -196°C, and ΔT is a temperature difference between the measurement temperature and −253°C;　expression 2: sE≥19, in expression 2, the measurement temperature is −253°C or less.