49results about How to "Improve energy absorption" patented technology

The utility model belongs to the technical field of absorption rods, and particularly relates to a Hopkinson pressure bar absorption rod which comprises a first rod used for being connected with a main rod of a Hopkinson pressure bar. The first bulge is fixed with the edge of the first rod; the second rod is used for being connected with the first rod, a circular groove is formed in the second rod, and a part of the first rod and the first protrusion are arranged in the circular groove. The spring in the pre-compression state is arranged in the circular groove of the second rod, so that the rigidity of the spring is increased, the energy absorption range is widened, meanwhile, certain thrust is applied to the first rod, and the energy absorption effect is improved. When the impact force is smaller than the thrust, the first rods are kept relatively static, when the impact force is larger than the thrust, the first rods extrude the elastic pieces, the elastic pieces reduce reflected waves by absorbing part of impact energy, and therefore the energy absorption efficiency is improved, and the shock wave absorption capacity of the absorption rods is improved.

The invention discloses ZnO-based voltage-sensitive semiconductor ceramic as well as a preparation method and application thereof, and belongs to the technical field of semiconductor ceramic. The ZnO-based voltage-sensitive semiconductor ceramic provided by the invention is prepared from the following components: ZnO, Bi2O3, MnO2, Co3O4, Cr2O3, Sb2O3, Al (NO3) 3, a disulfide bond organic silicon cross-linking agent, a photothermal conversion agent, a photoinitiator, a dispersing agent and a solvent I. The ZnO-based voltage-sensitive semiconductor ceramic has the characteristics of continuous thickness and uniform components, the voltage gradient and the nonlinear coefficient of the ZnO-based voltage-sensitive semiconductor ceramic are superior to those of a traditional product, the parameter drift rate after surge impact is small, and the ZnO-based voltage-sensitive semiconductor ceramic can be applied to high-end application scenes such as vehicle-mounted chargers of new energy automobiles.

The utility model provides a kind of ECC bridge crash barrier belongs to ECC bridge field, including frame, energy-absorbing installation component being arranged in the inside of frame and support fixed component being arranged on the surface of frame, energy-absorbing installation component includes the vertical barrel being arranged in the inside of frame, vertical barrel is internally provided with inner chamber, detachably connected with water storage bucket in inner chamber, internally fixedly connected with fixed column, energy-absorbing is carried out by vertical barrel, support fixed component includes the support rod of detachably connected in one side of the surface of frame, the utility model frame inside both ends are equipped with connecting seat, connecting seat is attached to the inside surface of frame, wherein connecting seat surface is all provided with connecting hole, fixed column surface is equipped with vertical barrel, vertical barrel is installed to water storage bucket by the inner chamber being internally provided, water storage is carried out by water storage bucket, energy-absorbing work is carried out when collision occurs, increase the anti-collision property of whole, and then ECC bridge crash barrier is used, and the energy-absorbing property of whole is higher.

This utility model discloses a tiered energy-dissipating anti-ship collision system based on metamaterial structures, including an ultra-high performance concrete panel, a tiered energy-dissipating anti-collision layer, a rubber fender, bridge piers, bridge abutments, and bridge pile foundations. The tiered energy-dissipating anti-collision layer includes variable stiffness units, lightweight energy-dissipating materials, vertical steel plates, an upper top plate, and a lower bottom plate. The variable stiffness unit is composed of multiple concave hexagonal units connected by transverse and longitudinal steel plates, with the hollow structure in the middle filled with lightweight energy-dissipating materials such as polyurethane foam, ceramsite, and rubber granules that can absorb and disperse impact energy. The variable stiffness units are welded to the steel plates to form a whole, and the protective device is connected to the protected bridge pier through the rubber fender. The overall stiffness of the protective device increases with structural deformation upon impact, thus this utility model has a variable stiffness tiered energy-dissipating anti-collision effect, effectively prolonging the collision time between the ship and the bridge and reducing the impact force of the ship, achieving two-way protection for both the ship and the bridge.

This application provides an anti-climb energy-absorbing device and a rail vehicle. The anti-climb energy-absorbing device includes: a mounting base; an installation space within the mounting base; a bulging seat disposed within the installation space; an arc-shaped bulging surface at the front end of the bulging seat; an energy-absorbing tube inserted into the mounting base from the front end and covering the outside of the bulging seat; an installation groove extending along the length of the energy-absorbing tube on the outer circumferential surface of the rear end of the energy-absorbing tube, extending forward from the rear end of the energy-absorbing tube to a preset stop position; and a planing blade disposed on the front end surface of the mounting base, with the planing edge of the planing blade inserted into the installation groove and located at the preset stop position of the installation groove. The anti-climb energy-absorbing device and rail vehicle provided by this application reduce the difficulty of the assembly process and are easy to install and maintain.

The utility model discloses a bridge anti -collision device based on the coupling of shear hardening and negative poisson's ratio effect, including a plurality of energy -absorbing box and a plurality of fixed ring, a plurality of energy -absorbing box evenly is placed in the outside of pier and is closely spliced between adjacent energy -absorbing box, a plurality of fixed ring is evenly placed on the outer ring surface of pier and is in the embrace shape, and the fixed ring between adjacent is closely connected to be connected into a whole around pier, and the energy -absorbing box is buckled on the outside of fixed ring, and the bolt for fixing energy -absorbing box and fixed ring is inserted between energy -absorbing box and fixed ring from top to bottom, the utility model relates to building safety protection technical field, through the collaborative energy -absorbing mechanism of the introduction of negative poisson's ratio effect and shear hardening effect, the bridge anti -collision device of structure stable, energy -absorbing efficient has been constructed, and simultaneously through the modularization and the bolt type design, the quick dismounting and partial replacement function of device have been realized, and maintenance difficulty and cost have been reduced, have good engineering applicability and popularization prospect.

The application discloses a guardrail plate mounting support structure and relates to the technical field of highway protection facilities. The guardrail plate mounting support structure comprises a top plate, side plates, mounting plates and energy-absorbing pieces. The top plate is fixedly arranged at the top end of a stand column. Two side plates are symmetrically arranged along the top plate. Each side plate is fixedly connected with the bottom end of the top plate. Each side plate is fixedly provided with a mounting hole. The mounting plates are correspondingly arranged with the side plates. Each mounting plate is fixedly arranged on the corresponding side plate. Each mounting plate is fixedly provided with a connecting hole. The energy-absorbing pieces are fixedly arranged between the two side plates. The energy-absorbing pieces can absorb the impact force generated when a vehicle collides with the guardrail. The application has the energy-absorbing effect of the highway guardrail.

The utility model relates to the technical field of shield tunneling machines, in particular to a moving device for green construction of a shield tunneling machine, which comprises a main body, a moving support component is arranged at the bottom of the main body, and a tunneling component is arranged on the main body; two-way adjustment of moving and fixing of the shield tunneling machine can be achieved through the ground feet and the moving wheels, flexibility of the shield tunneling machine is improved, when the shield tunneling machine needs to be fixed, the internal hydraulic supporting rods are driven by the hydraulic cylinders to ascend and descend, the ground feet make contact with the ground, the moving wheels leave the ground at the moment, and the shield tunneling machine is fixed. A threaded block moves on a lead screw in a positive and negative rotation driving mode of a motor, so that a shield tunneling machine body at the top of a bearing plate can be driven to stretch out or return, and the shield tunneling machine body at the top of the bearing plate is driven to slide on a sliding rail in cooperation with a sliding block, so that stable tunneling work of the shield tunneling machine is achieved. And the stability of tunneling work can be improved while high-efficiency work is realized.

The utility model discloses a thermoplastic polypropylene (PP) cellular board, which relates to the technical field of cellular boards and comprises an upper surface layer, a lower surface layer and a cellular structure layer, the upper surface layer and the lower surface layer are respectively adhered to the upper surface and the lower surface of the cellular structure layer in a hot melting manner, and the cellular structure layer comprises an upper cellular layer and a lower cellular layer which are arranged in parallel. The upper honeycomb layer comprises a plurality of round tube core materials, the round tube core materials are arranged in a honeycomb shape along the same plane, energy absorption inner cylinders are fixedly bonded to the inner walls of the round tube core materials, and trumpet-shaped pressure dispersing holes are formed in the upper ends and the lower ends of the energy absorption inner cylinders. The energy-absorbing inner cylinder is arranged in the circular tube core material, the energy-absorbing effect of the energy-absorbing inner cylinder can be improved through the trumpet-shaped pressure dispersing holes in the energy-absorbing inner cylinder, sudden breakage of the circular tube core material is avoided, the supporting force of the circular tube core material can be enhanced through the cooperation of the reinforcing ribs, and therefore the overall pressure resistance of the cellular board can be improved, and the breakage probability can be reduced.

The utility model relates to the technical field of vehicle engineering, in particular to a doorsill beam structure and a vehicle body structure. The doorsill beam structure comprises a cross beam formed by rolling a rolling plate, and the cross beam is provided with at least two energy absorption cavities and isolation plates located between the adjacent energy absorption cavities; the first end of the rolling plate is bent to form a first guide edge, the first guide edge is located in one of the energy absorption cavities and abuts against the isolation plate, and the second end of the rolling plate is the end, away from the first guide edge, of the isolation plate. The second end is bent towards the energy absorption cavity where the first guide edge is located to form a second guide edge. Therefore, the cross beam formed by winding the roller plate has rigidity and structural stability and is used for supporting a vehicle body structure. When the cross beam is collided, the first guide edge and the second guide edge curl or move towards the corresponding energy absorption cavities, and the threshold beam structure has a better energy absorption effect in cooperation with the energy absorption effect of the energy absorption cavities.

The application provides a crash beam, a crash beam assembly and a vehicle. The crash beam comprises a beam body and a reinforcing member. The reinforcing member is arranged at an end of the beam body along a first direction. The end of the beam body is provided with a plurality of mounting portions along a third direction and / or a second direction. The reinforcing member is connected with at least one mounting portion. The first direction, the second direction and the third direction intersect. The crash beam can reasonably avoid the mounting positions of other components, and improve the strength of the crash beam and the energy absorption effect in the crash working condition.

The application provides a high-performance insulation blanket, which comprises a surface layer, an EVA adhesive layer and a surface layer arranged in sequence, and the surface layer and the EVA adhesive layer are calendered and bonded; the preparation raw materials of the surface layer comprise, in parts by weight, 45-55 parts of ethylene-vinyl acetate copolymer, 10-20 parts of natural rubber, 8-18 parts of PA6 short fiber, 7-10 parts of dopamine modified mica powder, 6-10 parts of MAH-g-EVA, 10-15 parts of flame retardant, 0.2-0.4 parts of antioxidant, 0.8-1.2 parts of lubricant and 2-4 parts of colorant. In the surface layer formula system, the natural rubber, the PA6 short fiber and the dopamine modified mica powder synergistically act, so that the tear resistance and the puncture resistance of the material are greatly improved, and meanwhile, the material has excellent comprehensive performances such as high-temperature resistance, insulation, flame retardation and aging resistance, and is suitable for high-demand insulation protection fields.

The utility model discloses an anti-collision bar, a bumper assembly and a vehicle. The anti-collision bar comprises an anti-collision bar body and a buffering reinforcing part, a cavity is formed in the anti-collision bar body, and the buffering reinforcing part is arranged in the cavity; the bumper body comprises two first side walls oppositely arranged in the first direction and two second side walls oppositely arranged in the second direction, and the first direction intersects with the second direction. The second side wall protrudes towards the interior of the cavity to form a protruding part, and the buffering reinforcing piece is at least connected with the protruding part. Due to the fact that the buffering reinforcing part is arranged in the anti-collision bar body, when the anti-collision bar is subjected to large impact force or compression action, the two second side walls of the anti-collision bar body can crush and deform towards the interior of the cavity to absorb impact energy, and the buffering reinforcing part in the cavity of the anti-collision bar body can generate deformation action opposite to the two second side walls in direction. Further deformation of the second side wall is hindered, so that the rigidity of the bumper body is enhanced, the energy absorption effect of the bumper is improved, and injuries to passengers and drivers are reduced.

The application provides a vehicle body front end structure and a vehicle. The vehicle body front end structure comprises a reinforcing support arranged on a front bumper, the reinforcing support comprises a main body part and an extension part arranged at the bottom of the main body part; the main body part is connected with a bumper body of the front bumper, the bumper body has a mounting area for mounting a license plate, the extension part extends downward along the up-down direction of the whole vehicle, and a connecting part is arranged on the extension part, the connecting part is located at the rear side of the mounting area and is connected with a lower grille of the front bumper. The vehicle body front end structure has the extension part arranged on the main body part and connected with the lower grille, which is beneficial to improving the strength of the vehicle body front end in the up-down direction of the whole vehicle and the continuity of force transmission, and the fastening stress point when the connecting part is connected with the lower grille is located in a non-visual area, which is beneficial to solving the problem of visual light shadow disorder of the front bumper caused by force pulling and improving the appearance of the front part of the whole vehicle.

The application provides a three-dimensional four-chiral compression-torsion metamaterial structure and a manufacturing method thereof, comprising: chiral structure units and connecting panels; the chiral structure units are compression-torsion metamaterial structures, and two adjacent chiral structure units are directly connected or connected through the connecting panels; the chiral structure units have five, one of which is placed in the middle, and the other four chiral structure units are directly connected to the outside of the chiral structure unit. The compression-torsion effect of the application is better than that of the traditional three-dimensional compression-torsion metamaterial, the specific energy absorption effect of the structure in the application is better, the universality is higher, and the stability of the structure is ensured. The torsion of the structure can be adjusted by changing the torsion direction of the four-chiral, and the torsion angle of the structure can be changed by adjusting the geometric parameters of the chiral structure unit. The compression-torsion coupling effect can be realized when the structure is loaded, and the energy absorption effect of the structure is improved to a greater extent.

The utility model discloses a multi-stage energy dissipation self-floating type ship collision prevention device, and relates to the technical field of bridge collision prevention. The floating energy dissipation device comprises a first floating energy dissipation mechanism and a second floating energy dissipation mechanism which can float on the water surface and are connected with each other through a connecting frame. The second floating energy dissipation mechanisms sleeve the periphery of the pier at intervals, the first floating energy dissipation mechanisms are arranged around the second floating energy dissipation mechanisms, and the first floating energy dissipation mechanisms and the second floating energy dissipation mechanisms can slide relative to the connecting frame. Each connecting frame is provided with two sets of energy dissipation pieces, one set of energy dissipation pieces is located between the first floating energy dissipation mechanism and the connecting frame, the other set of energy dissipation pieces is located between the second floating energy dissipation mechanism and the connecting frame, and the rigidity of the two levels of floating energy dissipation mechanisms is larger than that of the energy dissipation pieces. When the ship collides, the first floating energy dissipation mechanism deviates inwards and sequentially extrudes the energy dissipation pieces at all levels and the second floating energy dissipation mechanism, step-by-step energy dissipation is achieved, and the collision energy is absorbed to the maximum extent. Compared with the prior art, the damage risk of ship collision to the bridge structure can be effectively reduced.

A novel bidirectional bearing honeycomb anti-creeper relates to the technical field of anti-creeper, and comprises a mounting base, a buffer assembly and anti-creeper teeth, the mounting base is connected with the buffer assembly, the buffer assembly is connected with the anti-creeper teeth, the buffer assembly comprises a thin-wall shell and a bidirectional bearing corrugated honeycomb structure, the bidirectional bearing corrugated honeycomb structure is arranged in the thin-wall shell, and the anti-creeper teeth are arranged in the thin-wall shell. The thin-wall shell comprises a side plate, an upper skin and a lower skin, the upper skin is combined with the upper surface of the side plate, and the lower skin is combined with the lower surface of the side plate. The variable amplitude sine wave is introduced in the axial direction on the basis of a traditional honeycomb cell element, the bending angle is added in the radial direction, the oneness of the bearing direction of a traditional honeycomb is broken through, the honeycomb can bear longitudinal loads, and the bearing capacity in the vertical direction is remarkably improved. Compared with a traditional honeycomb anti-creeper, the energy absorption capacity is higher, axial ordered deformation can be kept when the anti-creeper resists vertical force, and dependence on a traditional drawer guide mode is eliminated.

The utility model relates to the field of blasting engineering discloses a reinforced impact resistance TNT explosion bunker, including the blasting jar, the upper end fixed setting of blasting jar has the upper platform, the upper platform one side fixed setting has the air draught fan, the upper platform middle position rotationally arranged hollow column, the lower end fixed setting of hollow column outside side has a plurality of water spray pipes, the upper end fixed cover of hollow column outside side no.

This invention discloses a concave quadrilateral negative Poisson's ratio lattice sandwich structure and its design method, applicable to the field of sandwich structure technology. The method includes: starting from the characteristics of honeycomb structures, extracting the external features of the honeycomb structure, extracting the main structural elements and structural mechanisms, and then constructing concave quadrilateral structural units through inward folding design; integrating hexagonal honeycomb structures and square honeycomb structures with concave quadrilateral structural units to design different concave quadrilateral negative Poisson's ratio unit cell structures; clarifying the size range of structural elements for response surface optimization in Box-Behnken experimental design; designing the core layer by periodically arranging the unit cell structure according to the "edge-to-edge connection" and "corner-to-corner connection" method, and constructing the lattice core using a stacking method; finally, the upper panel, the concave quadrilateral negative Poisson's ratio lattice core, and the lower panel constitute hexagonal and square concave quadrilateral negative Poisson's ratio lattice sandwich structures. This invention is particularly suitable for engineering application scenarios with strict requirements for lightweight design and high energy absorption performance of components.

The utility model relates to the technical field of automobile accessories. A pedestrian protection beam of an aluminum alloy extrusion part and stamping part combined structure comprises a cross beam, the cross beam is a stamping forming part, a mounting hole is formed in the cross beam, and the cross beam is detachably connected with a plastic protection plate through the mounting hole; the cross beam comprises a first bending part and a second bending part which are connected in sequence, and the second bending part is horizontally arranged; supporting frames of the same structure are fixedly welded to the left side and the right side of the cross beam, and energy absorption boxes are fixedly welded to the supporting frames. The supporting frame comprises a horizontally-arranged transverse plate part and a vertically-arranged vertical plate part, and the transverse plate part and the vertical plate part are connected through an obliquely-arranged reinforcing part. A transverse plate part is welded and fixed to the upper side of the second bent part, and the end, connected with the vertical plate part, of the transverse plate part extends out of the second bent part; an energy absorption box is welded and fixed to the upper end of the side, away from the first bent part, of the vertical plate part, and the lower end of the energy absorption box is higher than the transverse plate part. The utility model is convenient to process. And external connection of a plastic protection plate is facilitated.

This invention relates to a one-piece molded Whipple's Shield impact protection structure textile composite material and its preparation method. The product comprises, from top to bottom, an impact-facing fabric layer, a spacer fabric layer, and a back fabric layer. The impact-facing fabric layer is a single-layer or multi-layer fabric, with adjacent layers bonded together by resin. The spacer fabric layer is a hollow multi-layer structure consisting of a top layer, a bottom layer, and a spacer layer. The back fabric layer is also a multi-layer fabric, with adjacent layers bonded together by resin. The spaces between the impact-facing fabric layer and the top layer of the spacer fabric layer, as well as between the bottom layer of the spacer fabric layer and the back fabric layer, are filled with resin. Resin is impregnated between the back fabric layer, the spacer fabric layer, and the impact-facing fabric layer using a vacuum-assisted resin transfer molding process. After impregnation, the vacuum is removed, and the product is cured and demolded to obtain the final product. This invention features a simple preparation method; the product has high energy absorption, low specific gravity, high damage tolerance, and good impact protection performance.

This invention discloses a composite side impact-resistant sandwich panel structure design, including a main mounting bracket, a U-shaped sandwich panel filled with non-metallic energy-absorbing foam silicone rubber material, and a connection mechanism design between the mounting bracket and the sandwich panel, and between the mounting bracket and the hull. This invention, by using a U-shaped sandwich panel structure made of non-metallic energy-absorbing foam silicone rubber on the outer surface of the hull, effectively absorbs energy when the vessel is subjected to external impact loads, reducing damage to the main hull structure. Furthermore, the modular design of the connections between the main mounting bracket components and between the mounting bracket and the sandwich panel achieves modularity in most of the installation areas on the hull exterior, allowing for rapid replacement in case of damage, reducing maintenance time and difficulty. Finally, the simple and reliable connection mechanism between the mounting bracket and the hull enables rapid installation, resulting in shorter conversion times and lower conversion difficulty for existing vessels.

The invention provides a vehicle body side structure and a vehicle. The vehicle body side structure comprises an A column and an A column anti-collision beam located on the front side of the A column. The A-column anti-collision beam extends in the vertical direction of the whole vehicle and inclines forwards relative to the A column, the top end of the A-column anti-collision beam is connected with the front cabin edge beam, the bottom end of the A-column anti-collision beam is connected with the connecting position between the A column and the threshold beam, and the A column, the front cabin edge beam and the A-column anti-collision beam are connected to form a triangular structure. According to the vehicle body side structure, the front collision energy absorption effect can be improved in the mode that the vehicle body forms a double-A-column structure and a triangular structure is formed in the A-column area, the A columns are protected, the deformation amount of the A columns is reduced, and therefore the safety of passengers under the small overlapping collision working condition can be improved, and the whole vehicle has higher collision safety.

The ACF cushioning underwear comprises a surface layer, a middle layer and an inner layer, and the middle layer is arranged between the surface layer and the inner layer. The middle layer comprises a breast pad connected with the surface layer, air holes A are formed in cup pads of the breast pad, air holes B are formed in beltloop parts of the breast pad, air holes C are formed in the heart-shaped part of the breast pad, and a breast supporting part is arranged in an inner cavity of the air holes A; the connecting firmness among the surface layer, the middle layer and the inner layer is improved through the bearing layer, the anti-tearing effect is achieved, the overall thickness of the ACF cushioning underwear can be reduced through the middle layer, meanwhile, excellent energy absorption performance is achieved, the vibration amplitude is reduced, and the service life of the ACF cushioning underwear is prolonged. When the ACF cushioning underwear is impacted by external force, the interior of the middle layer disperses or absorbs energy generated in the impact process through hysteretic deformation, the purpose of reducing impact force as much as possible is achieved, the breasts of a user are well buffered, certain buffering can be guaranteed, the constraint feeling is reduced, the comfort level is improved, and the comfort level of the user is improved. And daily sports use is facilitated.

This utility model relates to the field of material conveying technology and discloses a leveling device for boxed materials, including a connecting frame. A guide shell is fixedly connected to the front side of the connecting frame, and a positioning mechanism is provided on the front side of the guide shell. An anti-compression mechanism is provided in the middle of the inner bottom wall of the connecting frame, and a leveling mechanism is provided on the inner top wall of the connecting frame. The positioning mechanism includes a frame, the rear side of which is fixedly connected to the front side of the guide shell. A conveying device is fixedly installed in the middle of the inner wall of the frame, and fixing plates are fixedly connected to the front and rear sides of the left side of the top wall of the frame. In this utility model, the rotating shell is driven by a swing cylinder to rotate the connecting rod and the adjusting plate, thereby correcting the angle deviation of the material in conjunction with the blocking of the upright plate. Subsequently, the pneumatic clamp can perform leveling work on the material, thus avoiding the need for repackaging due to reduced leveling efficiency.

The utility model relates to the technical field of gas turbine power generation, in particular to gas turbine combined cycle power generation low-noise emission equipment which comprises a sound absorption box body, a box door is hinged to one side of the sound absorption box body, and through holes are formed in the two faces of the sound absorption box body respectively. The silencing box body is arranged in the sound absorption box body, an air inlet is formed in one side of the silencing box body, an air outlet is formed in the other side of the silencing box body, and the air inlet and the air outlet are matched with the through holes in the two faces of the sound absorption box body respectively. Compared with the prior art, by arranging the silencing box body, the multistage serially-connected silencing cavities and the complex airflow path, stage-by-stage attenuation, disturbance and dissipation of sound waves are effectively achieved, linear propagation and high-frequency impact of noise are avoided, the noise reduction efficiency is improved, and the noise pollution risk of the system is reduced.

This invention provides an anti-icing device, supporting structure, and photovoltaic system for offshore photovoltaic systems operating in ice-covered areas. The anti-icing device includes concentrically nested inner and outer protective layers, with an energy-absorbing layer filling the space between them. The energy-absorbing layer comprises several layers of energy-absorbing mechanism arrays, with each layer's energy-absorbing mechanisms arranged circumferentially. Each energy-absorbing mechanism is a frame-type structure with a certain degree of elasticity. This invention can improve the service life of pile foundations, reduce subsequent operation and maintenance costs of power plants, and mitigate engineering risks.

This invention discloses an additive manufacturing-based inertial amplification nonlinear low-frequency vibration isolation metamaterial structure, vibration isolation device, and its performance control method. The vibration isolation metamaterial structure includes a rhombic frame structure, an inertial amplification unit, and a square spring structure. The square spring structure is arranged within the rhombic frame structure, with its two ends connected to a pair of opposite corners of the rhombic frame structure. The elastic extension direction of the square spring structure is parallel to the diagonal of this pair of opposite corners of the rhombic frame structure. The inertial amplification unit has a centrally symmetrical structure, including a rigid rod, two counterweights, and two diagonal rods. The center of symmetry of the inertial amplification unit, the center of the rhombic frame structure, and the center of the square spring structure all coincide in projection. Therefore, the vibration isolation metamaterial structure of this invention significantly widens the bandgap range and enhances low-frequency vibration isolation performance, exhibiting excellent performance in suppressing longitudinal waves in the 0-1000Hz low-frequency range, increasing vibration damping, and energy absorption.