43results about How to "Deformation stable" patented technology

The invention discloses a rotational symmetry type oblique pressing resisting paper folding pipe collision energy absorption box, belongs to the technical field of collision energy absorption boxes, and solves the problems that an existing collision energy absorption box is large in initial collision load and low in energy absorption efficiency. The energy absorption box comprises at least one energy absorption box body, the energy absorption box body comprises a wall body, a plurality of energy absorption units are arranged on the wall body in the surrounding direction, and each energy absorption unit comprises a first polygonal paper folding unit and a second polygonal paper folding unit which are the same in structure. The adjacent first polygonal paper folding units and second polygonal paper folding units are alternately arranged in the forward direction and the backward direction correspondingly, and the two first polygonal paper folding units located on the diagonal line of the energy absorption box body are rotationally and symmetrically arranged. Through the diagonal staggered design, the top end corner making contact with the pressure head provides a supporting effect, the two side faces of the top end corner jointly bear loads and are sunken inwards, and therefore deformation occurs according to a preset complete diamond deformation mode with high energy absorption efficiency, and the oblique pressure resisting capacity is provided.

The invention relates to the technical field of new materials, in particular to a dot matrix composite origami structure based on a hierarchical strategy and a preparation method thereof, the dot matrix composite origami structure comprises a plurality of dot matrix cell elements, and the dot matrix cell elements are periodically arrayed in three mutually perpendicular coordinate axis directions based on the origami structure to form a closed geometrical shape. The method has the beneficial effects that the dot matrix structure is mapped into the paper folding structure, integration of the advantages of dot matrix design and paper folding design is achieved, the overall mechanical property of the structure is further improved, and the coverage range of the overall performance of the structure is expanded. The characteristics of paper folding and lattice structures are integrated, and a composite structure with controllable overall rigidity is designed, so that the composite structure has better vibration and noise reduction characteristics.

The embodiment of the invention discloses a structural deformation monitoring method based on RTK-GNSS, and relates to the technical field of deformation monitoring, and the method comprises the steps: constructing a double-difference pseudo-range observation equation and a double-difference carrier phase observation equation; acquiring initial positions of the base station and the monitoring station, and respectively acquiring an initial single-difference distance and an initial single-difference distance; calculating a second coordinate offset based on the coordinate offset of the reference station in the current epoch, the first initial single-difference distance and the second initial single-difference distance in combination with a double-difference pseudo-range observation equation and a double-difference carrier phase observation equation; and analyzing the deformation quantity of the to-be-measured structural body based on the second coordinate offset. The method provided by the invention overcomes the defects of unstable positioning and difficulty in ambiguity fixation caused by easy shielding or interference of GNSS signals in part of scenes in related technologies, can stably and efficiently calculate and obtain accurate ambiguity, can realize deformation monitoring in complex scenes, and has the advantages of stable positioning result and high deformation monitoring precision.

The invention relates to the field of assembly type subway station structure engineering. The buffering and vibration isolation device comprises two bottom plates and two frames, the number of the bottom plates is two, the number of the frames is two, and the frames are arranged at the top ends of the bottom plates; the transverse rods are installed at the top ends of the two bottom plates correspondingly and located on the inner sides of the two frames, and a plurality of rectangular through grooves are formed in the transverse rods; the plurality of longitudinal rods respectively penetrate through the plurality of rectangular through grooves; according to the transverse vibration isolation mechanism, when the cross beam is subjected to transverse force, a baffle moves in a shell, a fourth spring is attached to a cylinder to stabilize deformation buffering, a first elastic piece and a second elastic piece are matched through an inclined face or a protrusion, transmission force is evenly distributed, cooperative buffering is achieved, and impact vibration generated when the beam column connection is subjected to longitudinal and transverse force is effectively reduced; the service life of the device is prolonged; and the safe and stable operation of the structure is maintained.

The invention provides a medium rib plate forming machine, which is sequentially provided with the following components along the conveying direction of a plate rib piece: a feeding leveling device which comprises an upper rolling group and a lower rolling group and is used for leveling the plane of the plate rib piece; the convex rib pressing and punching device is used for pressing and punching reinforcing ribs on the plate rib pieces; the stamping type matrix device is used for stamping the number marks on the plate rib pieces; the notch punching device is used for punching a notch of an edge folding part of the plate rib piece; the rolling forming device is used for bending and rolling the folded edge part of the plate rib piece through a series of pressing rollers; the shearing device is used for shearing the plate rib piece according to the required length of the middle rib plate; the front and back folding head device comprises a folding head device and two conveying devices arranged on the input side and the output side of the folding head device; the folding head device is used for bending the flanging part of the plate rib piece, the conveying device at the input end of the folding head device is used for conveying the cut plate rib piece, and the conveying device at the output end of the folding head device is used for conveying the formed middle rib plate.

The invention discloses a water meter O-shaped ring inner hole assembling mechanism and method. The water meter O-shaped ring inner hole assembling mechanism comprises a rack assembly, an O-shaped sealing ring feeding assembly, an O-shaped sealing ring clamping assembly, an O-shaped sealing ring assembling assembly, a carrying device clamping assembly and an O-shaped sealing ring pressing assembly, and the rack assembly provides platform supporting for the whole mechanism; the O-shaped sealing ring feeding assembly achieves automatic feeding operation of O-shaped sealing rings. The O-shaped sealing ring clamping assembly realizes the operation that the robot clamps and places the O-shaped sealing ring onto the object carrying platform; the O-shaped sealing ring assembling component is used for realizing the operation of pushing the O-shaped sealing ring into the loading device after the O-shaped sealing ring is extruded The loading device clamping assembly is used for clamping the loading device loaded with the sealing ring to a pressing position by the robot; and the O-shaped sealing ring pressing assembly is used for pushing the sealing ring of the loading device into the inner hole of the water meter. According to the O-shaped sealing ring assembling machine, the O-shaped sealing ring can be fully automatically and mechanically assembled, manual assembling is not used, the assembling consistency and stability of the O-shaped sealing ring are guaranteed, and the assembling qualification rate is increased.

The utility model discloses a kind of U-shaped metal spring pieces of adjustable pre-tightening force, including U-shaped body, adjusting mechanism and anti-loosening assembly, the U-shaped body is made of two symmetrically arranged leg and the connecting part of connecting leg, the free end of the leg forms elastic contact end, the adjusting mechanism includes the screw rod of at least one the leg and the nut of the screw rod screw cooperation, the axis of the screw rod is perpendicular to the extension direction of the leg, and one end of the screw rod is abutted to the inner side surface of the connecting part. By screw rod and nut cooperation can flexibly adjust pre-tightening force, adapt to different working condition demand, solve the limitation of traditional spring piece pre-tightening force fixed;Adjusting knob with anti-slip line, cooperate nut limit plane, convenient operation and prevent skidding, improve adjustment efficiency and stability. The sliding cooperation of guide groove and guide boss ensures that leg deformation is stable, improves pre-tightening force adjustment accuracy.

The utility model relates to a kind of gas redistribution plate mounting structure of electric tar precipitator, including the installation shell installed on electric tar precipitator, the distribution plate is arranged in the installation shell inside, the positioning component for clamping distribution plate, locking assembly for fixing positioning component.This gas redistribution plate mounting structure of electric tar precipitator, through the orientation cooperation of positioning plate and positioning groove, positioning groove is along the initial positioning that positioning plate is released, the overall rotation clamping of inner ring, rotate inner ring can drive all hook-shaped clamping pieces synchronous clamping positioning plate, avoid the degree that each bolt is tightened cannot be unified to lead to distribution plate stress concentration, by the constant pre-tightening of spring, so that positioning column penetrates plate body, to adopt the way of bolt to fix locking assembly, avoid fixed clamping distribution plate due to locking assembly movement leading to fixed failure, and positioning plate, positioning column etc. Center symmetry, shell stress balance, no local overload leads to shell deformation or cracking.

The invention relates to the technical field of network communication cabinets, in particular to a network communication cabinet and an internal anti-shielding structure thereof.The network communication cabinet comprises a network communication cabinet body, a cabinet door body is installed on the right side surface of the network communication cabinet body, a through groove is formed in the right side of the cabinet door body, and a supporting plate is installed on the inner side wall of the network communication cabinet body; a communication unit is arranged on the surface of the supporting plate, a first shielding cover and a second shielding cover are sequentially installed on the surface of the supporting plate from front to back, and the first shielding cover and the second shielding cover are the same in structure. According to the invention, heat emitted by the communication unit is rapidly transmitted to the outside without blowing, the overall transmission effect is good, and the position of the communication unit is fixed through the clamping blocks in the heat dissipation process of the communication unit. And the first shielding case and the second shielding case are closer to the communication unit, so that the anti-shielding function of the communication unit is enhanced.

This invention relates to the field of transportation device technology, and discloses a multi-state transportation device and its state transition method that features automatic deployment triggered by a lift. The transportation device includes a main structure, deformable units movable relative to the main structure, and a movable support assembly associated with the deformable units. By applying a lifting force to the main structure, relative motion is created between the main structure and the deformable units, triggering the deformable units to exhibit a self-deploying tendency relative to the main structure under gravity, and to move in the deployment direction under constraint guidance. The deformable units drive the movable support assembly from a receiving position to a ground support position to support the main structure off the ground, thereby transforming the transportation device from a receiving state to an extended state. This invention utilizes lift triggering, gravity drive, and structural constraint guidance to achieve automatic deployment. Users can trigger state switching with a single lifting action, offering advantages such as simple operation, smooth deployment, good structural compatibility, and coordinated deployment of the left and right deformable units.

The application discloses a surface-defect-free high-purity oxygen-free copper wire manufacturing method based on continuous extrusion, relates to the field of non-ferrous metal precision machining technology, and directly adopts an up-drawing continuous casting billet to extrude a target specification wire rod in one step through continuous extrusion, so that a plurality of drawing processes and at least one intermediate annealing process in a traditional process are completely omitted, a process flow is compressed by more than 60%, a production cycle is significantly shortened, equipment investment, labor cost and energy consumption loss are reduced, wire rod production efficiency is greatly improved, large-scale production cost is greatly reduced, and the application has a strong industrialization advantage; the continuous extrusion process introduces large plastic deformation, can strongly break original as-cast coarse grains, and simultaneously compacts and eliminates internal defects such as pores and shrinkage porosity generated in the up-drawing continuous casting process, and improves wire rod density. Compared with a traditional processing method, the wire rod prepared by the application avoids problems such as annealing oxidation, uneven structure and performance fluctuation, and the elongation of a finished product is greater than or equal to 40%.

The utility model is applicable to the technical field of plates, and provides a spc honeycomb plate which comprises an aluminum honeycomb core, spc layers and a surface decoration layer, and the spc layers are arranged on two side surfaces of the aluminum honeycomb core; the surface decoration layers are arranged on the outer surfaces of the spc layers on the two sides; wherein the spc honeycomb plate is sequentially provided with the surface decoration layer, the spc layer, the aluminum honeycomb core, the spc layer and the surface decoration layer; the spc cellular board has the advantages of being relatively low in cost, free of ice-cold feeling on the surface, comfortable in touch feeling, capable of insulating sound and heat, environmentally friendly, flame-retardant, waterproof, stable, free of deformation and good in nail-holding power, the spc layer is additionally arranged in the spc cellular board, and water drops can be prevented from being condensed on the surface in the plum rain season.

The invention provides a display module, a preparation method and electronic equipment thereof. The display module comprises a display area and a non-display area connected with the display area, and further comprises a display panel and a protective layer. The display panel comprises a display part located in the display area and a bending part located in the non-display area. The protective layer is arranged on one side of the display panel and located in the non-display area and comprises at least one buffer structure, and the buffer structure comprises at least two fixing parts and deformation parts connected with the two adjacent fixing parts. According to the scheme, the elastic stretching body of the buffer structure is designed in the protective layer to disperse bending stress generated during bending.

The self-deformation soft microrobot comprises a petal-shaped structure capable of being closed to form a closed space, the petal-shaped structure comprises a magnetic particle layer and a pH response layer capable of responding to pH stimulation, and the magnetic particle layer and the pH response layer are both soft material layers; the magnetic particle layer is a PDMS hydrogel layer mixed with magnetic particles; the pH response layer is a PHEMA hydrogel layer; the magnetic particle layer and the pH response layer form a bridging network through a thermocuring method; the pH response layer can assist the magnetic particle layer, so that the soft micro-robot can generate a better deformation effect; the outer edges of the petal-shaped structures are provided with micro burr structures with hydrophobic performance, the micro burr structures are arranged along the outer edges of the petal-shaped structures in an array mode, a hydrophobic array can be formed between every two adjacent petal-shaped structures, a solid-gas-liquid three-phase diaphragm is formed, edge gap sealing after deformation of the soft micro-robot is achieved, liquid permeation can be effectively prevented, and the service life of the soft micro-robot is prolonged. And it is ensured that drugs and collected objects loaded by the soft micro-robot cannot be polluted in the intestinal environment.

The present application relates to a kind of high elastic shaping underwear functional fabric production equipment and its production method, the technical field belongs to textile machinery technology, the technical problem to be solved is that conventional equipment is sprayed high elastic shaping underwear functional fabric, fabric is easily displaced, coating is uneven, including setting clamping component and tension component linkage, utilize mounting bracket and press wheel clamping fabric edge, support box expands fabric, ensure stable spraying, detection component scans and detects fabric flaw, winding frame synchronously winds fabric, the present application is prepared by equipment, installs spool etc. Step, utilize specific configuration to realize fabric stable expansion, uniform spraying, accurate flaw finding and automatic winding, guarantee fabric performance and quality, improve production automation degree.

The utility model discloses a kind of laser cutting machines facilitating material taking, it is related to laser cutting machine technical field, including laser cutting machine body, controller and laser cutting head, the surface of the laser cutting machine body is equipped with controller, the top of the laser cutting machine body is provided with laser cutting head.The laser cutting machine facilitating material taking, by starting to drive motor after completing cutting, so that first processing plate can drive second processing plate to move, so that second processing plate can be cut to the laser cutting head bottom end when moving to newly placed workpiece, and the first processing plate removed can be quickly taken out to the workpiece processed, by the contact between protective pad and clamping plate, and mounting rod can be inserted into clamping plate inside, immediately by locking rod locking mounting rod, clamping plate can be protected by protective pad when clamping workpiece, avoid laser cutting machine when clamping workpiece and produce deformation.

The invention provides a pipe penetrating assembly and a pipe penetrating device with the same. The pipe penetrating assembly comprises a main body structure, and a splicing structure used for being spliced with a main body structure of another pipe penetrating assembly is arranged on the main body structure; the pipe penetrating and wire passing structure defines a penetrating hole for a wire body to penetrate through, and the size of the penetrating hole can be adjusted so as to adapt to the wire bodies with different diameters; the connecting structure is connected with the main body structure and the pipe penetrating and wire passing structure, so that the pipe penetrating and wire passing structure is installed on the main body structure; at least part of the connecting structure is arranged in a deformable mode so as to deform along with the change of the size of the penetrating hole. The pipe penetrating assembly solves the problem that in the prior art, a pipeline layout mode in a numerical control machine tool is difficult to adapt to pipelines and lines with different diameter specifications.

The application relates to a seal structure for an aluminum alloy window sealing edge, in particular to a one-piece seal structure for an aluminum alloy window sealing edge, which has a constant cross section along the length direction. The cross section comprises a base part for fixing the seal structure body for the aluminum alloy window sealing edge, a cavity part provided with a hollow compression cavity, and a sealing part connected with the cavity part. The wall body of the cavity part comprises a pressure-bearing back plate connected with the base part and an elastic arc surface connected with the sealing part. The sealing part comprises a main sealing rib extending from the independent elastic arc surface and a secondary sealing rib arranged below the main sealing rib. The seal structure for the aluminum alloy window sealing edge is firmly fixed with the mounting groove through the above structure design, and when being extruded, the hollow compression cavity is deformed and the main and secondary sealing ribs of the sealing part are cooperated to provide excellent sealing performance and buffering performance, meanwhile, the structure is compact, the installation is convenient, and the sealing reliability and service life of the equipment or component are remarkably improved.

This invention provides a booster stage rotor structure and a compressor. The rotor structure includes: a fan shaft; a drum assembly fitted onto the fan shaft, including a front drum cantilever and a rear drum cantilever spaced apart along the axial direction of the fan shaft; one end of the front drum cantilever is provided with a front support portion fitted onto the fan shaft, and one end of the rear drum cantilever is provided with a rear support portion fitted onto the fan shaft, the rear support portion being located on the side of the rear drum cantilever away from the front drum cantilever; and a plurality of rotor blades arranged sequentially along the axial direction, with the rotor blades mounted on both the front and rear drum cantilever arms. This design, in a first aspect, shortens the cantilever length, significantly reducing instability at the cantilever end; and in a second aspect, torque transmission positions are provided between the fan shaft and the front drum cantilever, and between the fan shaft and the rear drum cantilever, resulting in smoother and more reliable rotation of the drum assembly.

The present invention provides a chiral structure, a buffering energy absorption structure, an anti-collision energy absorption structure and an automobile anti-collision beam. The chiral structure comprises: three chiral units, the chiral unit comprises a pitch circle and eight ligaments, the pitch circle comprises four quadrant points evenly spaced, every two ligaments define a ligament group, the first ends of two ligaments in the ligament group intersect to define an intersection point, the second ends are spaced apart and connected tangentially to the pitch circle, wherein the center of the pitch circle, the intersection point and one of the quadrant points of the pitch circle are collinear, the second ends of the ligaments of two adjacent ligament groups intersect, wherein the centers of the pitch circles of the three chiral units overlap and are perpendicularly intersected in pairs at the quadrant points and intersection points. The application of this technical solution can achieve a chiral structure with high compressive strength and good energy absorption effect, which is beneficial to improving the buffering effect, the buffering energy absorption structure, the anti-collision energy absorption structure and the automobile anti-collision beam.

This invention belongs to the field of mechanical metamaterials technology and discloses a catenary-level concave honeycomb cell and multi-cell structure. It includes catenary-level units, each comprising two curved catenary edges and one straight edge. The two curved catenary edges are symmetrically arranged on both sides of the straight edge, and the ends of the curved catenary edges connect to the ends of the straight edge. The honeycomb cell is a symmetrical, concave hexagonal structure, including two horizontal cell walls and four inclined cell walls, which are formed by sequentially connecting multiple catenary-level units. The multi-cell honeycomb structure is composed of multiple honeycomb cells arranged in a periodic array in a plane. The catenary-level concave honeycomb structure provided by this application exhibits stable deformation and load-bearing capacity, enhances the negative Poisson's ratio effect, and significantly improves load-bearing and energy absorption performance.

The utility model relates to the technical field of copper foil production and processing, and provides a coil pressing device for copper foil production, which comprises a device body, the top of the device body is fixedly provided with an air cooler, the other end of a first air outlet pipeline is fixedly connected with a pipeline joint, and second air outlet pipelines are fixedly embedded in the centers of the two sides of the pipeline joint. When the copper foil pressing device is used, the gap between the first pressing roller and the second pressing roller can be adjusted through the air cooler, the screw and other structures, the deformation degree of copper foil in the pressing process can be controlled through the device, the flexibility of the device is improved, and the copper foil pressing device is convenient to use. And meanwhile, through the combination of the air cooler and the spray head, cold air can be quickly blown to the surface of the copper foil, the temperature of the copper foil is quickly reduced, the cooling speed is increased, and quick curing and stabilization of deformation of the copper foil are facilitated.

The present application relates to a kind of micro aircraft low-speed lift increasing wrinkle airfoil, including main wing, wind speed detection sensor, shape memory alloy wire, direct current power supply, remote control machine, the main wing is the wrinkle wing profile structure with lift increasing effect, the wind speed detection sensor is installed on main wing and the wind speed signal detected is passed to remote control machine, the shape memory alloy wire is electrically connected with direct current power supply, the shape memory alloy wire and direct current power supply are installed on main wing, the direct current power supply is connected with remote control machine and is controlled by remote control machine, the on-off electricity situation of shape memory alloy wire and direct current power supply is controlled by remote control machine, make main wing switch between wrinkle wing type and flat plate wing type.The present application can significantly improve the lift of micro aircraft wing, has the advantages such as controllable deformation, reliable structure, stable driving and low energy consumption.

The utility model discloses an elastic pen clip which comprises at least one clamping section which extends along the length direction of a pen and is used for clamping an object; the at least one assembling section is connected to the end part of the clamping section and is used for forming assembling connection with the pen; the at least one elastic transmission section is connected to the assembly section; the clamping section, the assembling section and the elastic transmission section are formed by bending a metal body; when external force is applied to the clamping section to enable the clamping section to move, the elastic transmission section is extruded to deform so as to assist in providing elastic force for resetting of the clamping section. The utility model further discloses a writing pen. The elastic pen clip is formed by bending the metal body, and is easy to form and convenient to process; according to the elastic pen clip, the metal body is bent to form the elastic transmission section, the elastic transmission section can deform when the clamping section is pulled outwards, the reset elastic force after deformation can assist in providing the elastic force for resetting of the clamping section, the problem that the clamping force of a single metal body structure is insufficient is solved, and the clamping force of the elastic pen clip is increased while materials are reduced.

The invention relates to a bonding device comprising a main body which is provided with an accommodating channel in a penetrating manner along a first direction; the shaft body is movably arranged in the accommodating channel in a penetrating manner; the flexible part comprises a first supporting part, a second supporting part and a movable part, the first supporting part and the second supporting part are arranged on the two opposite sides of the movable part and are both connected with the main body, and the movable part is connected with the shaft body and is spaced from the main body; the bonding head is connected to the movable part; the movable part is configured to be capable of driving the shaft body to move in the first direction under the pressure effect of the bonding head. The movable part can deform in the first direction and drive the shaft body to move in the first direction, the first supporting part and the second supporting part can enhance the rigidity of the flexible part in the direction intersecting with the first direction, and the probability that the flexible part deviates in the direction intersecting with the first direction is reduced; therefore, the pressure applied to the target piece in the bonding process is more stable, and the precision of a bonded product is improved.

The invention relates to a comfortable warp-knitted air layer three-dimensional structure flame-retardant heat-insulation arc-proof fabric which comprises an outer layer, a middle layer and an inner layer. Wherein the outer-layer yarns are high-performance protective yarns and comprise at least two kinds of fibers of modacrylic, flame-retardant viscose, aramid fibers 1414, aramid fibers 1313, polyimide and polyphenylene sulfide fibers; the middle layer is made of high-temperature-resistant monofilaments or multifilaments; the inner layer is processed by adopting flame-retardant comfortable yarns and comprises at least two kinds of fibers of modacrylic, flame-retardant viscose, aramid 1414, aramid 1313, polyimide and polyphenylene sulfide fibers. The flame-retardant, heat-insulating and arc-preventing fabric is efficient, simple and convenient to produce, convenient and simple in structure implementation, complete and clear in three-dimensional structure, soft in hand feeling, comfortable and breathable, has high thermal resistance and high dielectric properties, protects a human body from being impacted by external heat and arcs, and effectively protects life safety of a wearer.

The hot-pressing jig is used for preparing a front light guide plate, the hot-pressing jig comprises a light guide plate limiting plate and an anti-sticking supporting device, the light guide plate limiting plate is provided with a limiting surface, the anti-sticking supporting device is arranged on the limiting surface, the anti-sticking supporting device comprises a plurality of anti-sticking spacing devices, and the anti-sticking spacing devices are arranged on the limiting surface. The multiple anti-sticking distance pieces are arranged in the direction away from the light guide plate limiting plate, a first material containing cavity is formed between the anti-sticking distance piece adjacent to the light guide plate limiting plate and the light guide plate limiting plate, and a second material containing cavity is formed between any two adjacent anti-sticking distance pieces. The first material containing cavity and the second material containing cavity are both used for containing front light guide plate blanks, the first material containing cavity is provided with a first hot-pressing port, the second material containing cavity is provided with a second hot-pressing port, and the first hot-pressing port and the second hot-pressing port are located on the same side. The invention further discloses a hot pressing assembly, a front light guide plate hot pressing method and a front light guide plate.

The invention discloses a self-adaptive reinforcing and repairing structure for wood members of ancient buildings, which comprises four rafters, humps are arranged at the tops of the four rafters, flat purlin is arranged at the tops of the humps, supporting bottom beams are arranged on the sides, close to each other, of the four rafters, and supporting top beams are arranged on the side surfaces of the flat purlin. The self-adaptive reinforcing and repairing structure for the historic building wood component further comprises a bottom beam fixing structure. The invention relates to the technical field of historic building repair, through the cooperation of the supporting bottom beam, the supporting top beam, the bottom beam fixing structure and the self-adaptive supporting structure, part of load borne by the flat purlin is transferred to the supporting top beam and the supporting bottom beam, further expansion of deformation of the flat purlin is effectively inhibited, it is ensured that rafters are stably supported and reinforced, and the service life of the flat purlin is prolonged. The stability and the bearing capacity of the whole wood framework are improved, on the premise that an original wood structure system of an ancient building is not damaged, precise reinforcement of wood components of the ancient building is achieved, and the overall service life of the wood structure body of the ancient building is prolonged.

The present invention provides a backhanded filling structure and an automobile anti-collision beam, wherein the backhanded filling structure comprises: three backhanded units, wherein the backhanded units comprise a pitch circle and eight ligaments, wherein the pitch circle comprises four quadrant points evenly spaced apart, wherein every two ligaments define a ligament group, wherein four ligament groups are evenly spaced apart circumferentially on the pitch circle, wherein the first ends of two ligaments in the ligament group extend toward the pitch circle and intersect perpendicularly, and the second ends are tangent to the pitch circle and connected to two of the quadrant points of the pitch circle, wherein the centers of the pitch circles of the three backhanded units coincide and are connected to the quadrant points in pairs, intersecting perpendicularly. The application of this technical solution can realize a backhanded filling structure having light weight, high compressive strength and good energy absorption effect, which is beneficial to improving the buffering effect and an automobile anti-collision beam filled with the backhanded filling structure.