195 results about "Deformation effect" patented technology

The anti-deformation bridge steel structure comprises a bridge steel structure body, four first clamping grooves are annularly formed in the inner wall of the bridge steel structure body, openings are formed in the front sides and the rear sides of the first clamping grooves, reinforcing plates are movably installed in the first clamping grooves in a clamped mode, and a cylinder is arranged in the bridge steel structure body; through cooperation of the reinforcing plates and the cylinders, the interior of the bridge steel structure body is supported, and the four reinforcing plates are sleeved with the cylinders in a sliding mode. Through the arrangement of a series of structures, the interior of the bridge steel structure main body can be reinforced and supported through the four reinforcing plates and the cylinders, the anti-deformation effect can be effectively achieved in cooperation with injected structural adhesive, and the four reinforcing plates can be adjusted according to the inner diameter of the bridge steel structure main body; and the device can be suitable for bridge steel structure bodies with different inner diameters, manual cutting operation is not needed, the application range is widened, and the use flexibility is improved.

The invention discloses a compression-torsion buckle unit and a variable-rigidity buckle type compression-torsion coupling mechanical metamaterial, relates to the technical field of mechanical metamaterials, and solves the problems that an existing compression-torsion coupling mechanical metamaterial is limited in energy absorption capacity and fixed in rigidity. A plurality of pressing and twisting buckle units are arranged between the upper pressing plate and the lower pressing plate. The pressure torsion buckle unit comprises an upper support, a plurality of pressure torsion bars, a curved bar and a plurality of buckles, the curved bar comprises a plurality of curved arms and a lower support, and the upper support and the lower support are of a radial structure, are the same in structure and are connected through the pressure torsion bars; the lower bracket is rotationally arranged in the groove of the lower pressing plate, and each end part of the lower bracket is provided with a bent arm; a buckle is arranged on the bent arm and matched with the sawtooth-shaped groove wall of the groove. According to the invention, the compression-torsion coupling mechanical metamaterial is combined with the buckle type metamaterial, and effective absorption of energy is realized through the mechanical multistable effect of the buckle and the compression-torsion deformation effect of the compression-torsion coupling mechanical metamaterial; the rigidity is effectively adjusted by changing the positions of the buckles.

The invention discloses a concrete shrinkage creep prediction method based on ABAQUS secondary development, which adopts a dynamic time function and Prony series decomposition method to establish a nonlinear creep model considering concrete strength, environmental humidity, theoretical thickness of a component and loading time, and realizes real-time calculation of shrinkage strain through a parameterized interface. And the fitting precision of the creep coefficient is optimized based on the improved strength correction coefficient and the humidity correction function. According to the method, the analysis capability of the ABAQUS on the long-term deformation effect is expanded through secondary development, the calculation efficiency and engineering applicability of time-varying behavior simulation of the large concrete structure are remarkably improved, and the method is particularly suitable for full-life periodic performance evaluation of deformation sensitive structures such as bridges and dams.

The utility model relates to the technical field of pre-buried channels, and discloses a pre-buried channel with an anti-deformation effect, which comprises a pre-buried channel body and a plurality of anchor bolts welded on the back surface of the pre-buried channel body, and further comprises a plurality of supporting blocks movably connected in the pre-buried channel body, and fixing rods fixedly connected on the surfaces of the supporting blocks; the concave plates are fixed to the two sides of the bottom of the embedded channel body, the inner sides of the concave plates are rotationally connected with supporting plates, the interiors of the other ends of the supporting plates are movably connected with movable plates, and the other ends of the movable plates are fixedly connected with arc-shaped plates; when the embedded channel body is poured, the inner side of the embedded channel body can be supported, a groove opening in the inner side of the embedded channel body is prevented from deforming, meanwhile, the arc-shaped plate can be clamped to a reinforcing steel bar on a reinforcing steel bar net, and therefore the embedded channel body can be conveniently supported, and the phenomenon of deviation in the pouring process is prevented.

The utility model provides an anti-deformation self-lubricating shaft sleeve structure, and belongs to the technical field of shaft sleeves. Comprising a shaft sleeve, a plurality of vertical reinforcing ribs are constructed on the outer surface of the shaft sleeve, the outer side of the shaft sleeve is sleeved with a protective cylinder, a buffer space is reserved between the protective cylinder and the outer surface of the shaft sleeve under the erection of the reinforcing ribs, and a limiting ring is detachably fixed to the lower end of the shaft sleeve. The limiting ring abuts against the lower end opening of the protection cylinder to form limiting. A plurality of sliding grooves are formed in the inner side of the protection cylinder. The outer side edges of the reinforcing ribs are embedded into the sliding grooves in a sliding mode. An external thread part is constructed on the outer edge face of the lower end opening of the shaft sleeve, an internal thread part is constructed on the inner wall of the limiting ring, and the external thread part is in threaded fit with the internal thread part. According to the utility model, not only is a good anti-deformation effect achieved, but also automatic lubrication can be achieved, and the overall using effect is good.

The application discloses a device and method for bending and deforming micro-nano samples in-situ in an electron microscope, and belongs to the field of scanning / transmission electron microscope accessories and micro-nano material mechanical property measurement research. The device comprises four parts, namely a supporting part, a driving part, a bending loading part and a sample stage part. One end of the nano material is fixed to a suspended part at the front end of the sample stage, and the other end is a free end. The free end of the nano material is pushed by the bending loading part driven by the heating and bending bimetallic strip, so that the nano material achieves the bending and deformation effect. The application separates and fixes the bimetallic strip and the sample, solves the problems of poor mechanical stability and easy movement of the sample in the deformation process of the in-situ bending nano material, improves the stability of the fixed sample and in-situ imaging, realizes the bending and deformation of the sample, and simultaneously observes the structural evolution of the material in the deformation process. While realizing the bending and deformation of single / multiple nano wire shafts, the structural evolution of the material in the deformation process is observed in-situ.

The utility model relates to the technical field of elevator installation, in particular to a sill assembly safe to use, which comprises a sill, a sill bracket and an L-shaped bracket, an integrally formed dovetail groove is arranged at the bottom of the sill bracket, triangular reinforcing blocks are welded at the corners of the inner bottom end of the sill bracket at equal intervals, the sill is arranged in the sill bracket, and the L-shaped bracket is arranged in the sill bracket. Connecting screw holes are formed in one side of the bottom end of the sill at equal intervals, and sill positioning bolts are installed on one side of the bottom end of the sill bracket through the screw holes. L-shaped brackets are arranged at the bottom of the sill bracket at equal intervals, horizontal strip-shaped holes are formed in the top ends of the L-shaped brackets, fixing screws penetrate through the horizontal strip-shaped holes, limiting blocks are welded to the top ends of the fixing screws, and the limiting blocks are located in the dovetail grooves. According to the sill assembly safe to use, the strength and rigidity of the sill bracket are greatly improved, the anti-deformation effect is remarkable, the sill is stably supported, on-site rapid assembly is facilitated, and manpower and material resources are saved.

A method for controlling deformation of an existing deep foundation pit paralleled by a shield tunnel at an ultra-close distance is provided. First, a servo steel support, a slag volume scanning device and a grouting bag are set up. Before the shield tunnel starts paralleling, a test section is established to control the soil bin pressure. When the shield tunnel is paralleled to the existing deep foundation pit, the excavation parameters are controlled, and the horizontal displacement is controlled by the grouting bag, the support axial force is adjusted by the support compensator to control the deformation, and the excavated volume is controlled by the slag volume scanning device. The method realizes active control of the deformation effect of the parallel deep foundation pit by controlling the excavation parameters, the servo support axial force control in the foundation pit, the bladder grouting control and the slag volume measurement control, ensuring that no large deformation and damage occurs. It has the characteristics of low cost, short construction period and good deformation control effect.

This application discloses a method for predicting stress and deformation during the assembly of ship sections, relating to the field of modular ship construction. The method includes: establishing a finite element model of the ship section to be measured; applying strong constraint tooling to the finite element model of the ship section for straightening; simulating the welding and cooling processes of the ship section with added heat transfer parameters based on a double ellipsoidal welding heat source model to obtain the corresponding temperature field data for the welding and cooling processes; performing thermo-mechanical coupling on the finite element model of the ship section after strong constraint tooling straightening based on the temperature field data of the welding and cooling processes to obtain the deformation and stress field data of the ship section under the superposition of strong constraint tooling straightening and welding heat; removing the strong constraint tooling from the finite element model of the ship section to obtain the predicted results of deformation springback and residual stress field. This application predicts the stress-deformation effect of the strong constraint tooling straightening and welding superposition processes of the ship section.

The present invention discloses a method for dynamic deformation of a 3D model in response to real-time data, comprising: S1: reading 3D model mesh data within Unity and extracting model vertex coordinates; S2: determining the actual monitored deformation point location on the 3D model; S3: screening all mesh vertices within the deformation region that have undergone deformation and displacement based on the actual deformation region affected by the monitored deformation point; S4: determining the deformation and displacement direction of the mesh vertices within the deformation region; S5: determining the deformation and displacement values of the mesh vertices within the deformation region and controlling the deformation and displacement speed of the mesh vertices based on the deformation rate. This method can achieve: significantly improved real-time dynamic deformation capabilities, more natural and precise deformation effects, wide applicability and high versatility, and simplified data processing procedures to improve data processing efficiency.

The utility model discloses a box cover reinforcing structure of a boarding box, which relates to the technical field of transfer boxes, and comprises a box cover and a tray matched with the box cover, a reinforcing component is fixed on a cover body of the box cover, and the reinforcing component can realize corresponding support with all pier feet on the tray. According to the coaming box, the reinforcing assemblies capable of correspondingly supporting all the pier feet on the tray are arranged on the box cover, so that when the coaming box is in a stacking state, the reinforcing assemblies can improve the anti-deformation effect of the box cover, and the situation that the box cover is deformed and damaged can be effectively prevented.

The utility model relates to the field of paper boxes, in particular to an anti-deformation paper box which comprises a paper box body, outer reinforcing strips, a bottom plate for improving the waterproof capacity of the bottom of the paper box, an auxiliary structure playing an auxiliary role when the paper box body is packaged, and a reinforcing structure for enhancing the anti-deformation effect of the paper box body. A vertical main reinforcing strip is fixedly installed at the bottom end of the transverse main reinforcing strip, and rotatable transverse side reinforcing strips are installed at the two ends of the transverse main reinforcing strip. According to the utility model, the outer reinforcing strips, the vertical main reinforcing strips, the vertical side reinforcing strips, the transverse main reinforcing strips and the transverse side reinforcing strips are matched for use, so that the vertical and transverse anti-deformation capability of the box body can be improved, the practicability of the box body is enhanced, and the transverse main reinforcing strips and the transverse side reinforcing strips are moved upwards to be separated from the first clamping grooves and the second clamping grooves; the purpose of disassembling the reinforcing structure can be achieved, and the reinforcing structure can be recycled.

The method, apparatus, equipment, and readable storage medium for determining the local stiffness of the subframe are as follows: First, the KC characteristic design target of the target suspension is obtained, and the overall stiffness design requirements of the suspension system to ensure that the KC characteristics meet the target are determined. Then, a suspension rigid body simulation model is constructed to shield the stiffness deformation effects of the suspension links, steering knuckles, and non-bushing components of the subframe. The bushing stiffness parameters at each connection position of the suspension are decoupled and locked with the KC characteristic design target as a constraint. Then, based on the stiffness series equivalence relationship, the local stiffness at the connection position between the subframe and the suspension links is equivalent to an equivalent elastic element connected in series on the suspension force transmission path. With the overall stiffness design requirements of the suspension system as a constraint, the initial target value of the local stiffness of the subframe is obtained by inverse solution in combination with the locked bushing stiffness parameters. Finally, a suspension simulation model including the equivalent subframe stiffness is constructed. Through KC characteristic simulation verification and iterative correction under the target working condition, the final target value of the local stiffness of the subframe is locked.

An anti-deformation structure for a segmented wind power tower barrel, which is transversely connected between the two longitudinal edges of the barrel segment body, includes two connecting screws respectively fixed on the two longitudinal edges of the barrel segment body and an adjusting part for connecting the two connecting screws. The adjusting part includes a turnbuckle nut. The threaded holes at both ends of the turnbuckle nut are coaxially threadedly engaged with the corresponding connecting screws respectively. Rotating the turnbuckle nut can achieve the relative movement and the reverse movement of the two connecting screws. An anti-rotation assembly for the turnbuckle nut is arranged at the hollow part in the middle of the turnbuckle nut. During use, by rotating the turnbuckle nut, the precise adjustment of the distance between the two connecting screws can be achieved. Then, through the anti-rotation assembly, it can effectively prevent the turnbuckle nut from rotating in the reverse direction due to the long-term axial tension, thereby avoiding the situation that the distance between the connecting screws changes. This anti-deformation structure has the advantages of simple operation and good anti-deformation effect.

The utility model relates to an anti-deformation tooling appliance, which comprises a bottom support table and a pressing arm, the pressing arm is positioned above the bottom support table, the bottom support table and the pressing arm clamp and position a workpiece, the bottom support table comprises a middle table plate, two groups of side support components are connected onto the middle table plate, the extension directions of the two groups of side support components are opposite, and the middle table plate is positioned between the two groups of side support components. The side supporting assembly comprises a plurality of supporting plates which are arranged at equal intervals in the length direction of the middle platen. Compared with the prior art, the utility model has the beneficial effects that after being positioned, a workpiece is limited by the gasket in the width direction of the bottom support table and is limited by the pressure plate in the vertical direction, so that the workpiece is in a straight state in the machining process, and meanwhile, the workpiece is cooled by the cooling liquid; the effect of preventing the workpiece from deforming is achieved.

The invention relates to a spike structure of a golf shoe with a deformation effect, which comprises a spike disc body made of thermoplastic polyurethane (TPU) and provided with a disc body ring part and a pressed part connected with the inner ring edge of the disc body ring part, and the pressed part can move between a normal position and a pressed position; the nail claws are made of thermoplastic polyurethane (TPU) materials, are radially arranged on the ring part of the disc body and extend outwards and downwards; when the pressed part of the spike plate body is in the pressed position, the spike claws are driven by the pressed deformation of the pressed part to synchronously deform, and the spike claws synchronously contract inwards; and when the pressed part of the spike disc body is in the normal position, each spike claw is restored to the original shape.

The device comprises a first connecting ring, a second connecting ring is installed on the upper portion of the inner side of the first connecting ring, a plurality of clamping seats are installed at the bottom of the inner side of the second connecting ring at equal intervals, and the clamping seats are correspondingly clamped with a plurality of anti-deformation mechanisms respectively. The upper surfaces of the multiple clamping bases are correspondingly connected with the lower surfaces of the multiple fastening mechanisms correspondingly, the multiple anti-deformation mechanisms each comprise a movable connecting clamping base, the multiple movable connecting clamping bases are correspondingly clamped with the multiple clamping bases correspondingly, and fixing blocks are fixedly connected to the sides, close to each other, of every two movable connecting clamping bases; according to the telescopic stool, when a second connecting ring of the telescopic stool is pressed, two first movable clamping frame plates rotate downwards on a fixed block piece, a connecting movable rod connected with the fixed block piece and the second movable clamping frame plate rotate downwards on a supporting block along with downward rotation of the fixed block piece, and the supporting block is supported on the first connecting ring through a fixing supporting rod; and the anti-deformation effect is achieved.

A device for testing the tightness of receptacles (1) closed by respective membranes (2), the device comprising: a deformation unit (15) configured to exert a deformation effect on a plurality of said receptacles (1); and a detection unit (40) for detecting the deformation of the membrane (2) of each receptacle (1) subjected to the deformation action; wherein the deformation unit (15) comprises a plurality of deformation means (20), and each deformation means (20) is individually associated with a single respective receptacle (1) of the plurality of receptacles in order to exert the deformation effect.

The utility model relates to the technical field of draw-bar boxes, in particular to a bearing type draw-bar box which comprises a first box body, a second box body and a first zipper, the first zipper is fixedly connected to one side of the first box body, the second box body is fixedly connected to the other side of the first zipper, and the edge of the first box body is movably connected with the edge of the second box body. A draw-bar box bearing capacity reinforcing structure is arranged on the inner side of the first box body, and a draw-bar box pulley structure is arranged at the lower end of the first box body. According to the bearing type draw-bar box, the first transverse plate and the second transverse plate are made of firm, durable and light aluminum alloy materials and can form a rectangular frame with the supporting frames on the two sides, the bearing capacity of the draw-bar box is greatly improved, the reinforcing ribs are made of high-strength and high-hardness plastic materials, and the service life of the draw-bar box is prolonged. The reinforcing ribs are vertically connected to the outer wall of the first box body, so that the anti-deformation effect of the first box body can be effectively improved, and the bearing capacity of the bearing type draw-bar box is improved by utilizing a multi-layer reinforced and durable structure.

The utility model relates to the technical field of handbags, and discloses an anti-deformation PU handbag which comprises a bottom plate, a plurality of mounting grooves are formed in the top end of the bottom plate, connecting blocks are arranged on the inner sides of the mounting grooves, side plates are fixedly arranged at the top ends of the connecting blocks, and fixing rings are fixedly arranged at the top ends of the side plates. A through groove is formed in one side of each side plate. According to the utility model, the top end of the bottom plate is provided with the plurality of mounting grooves which are matched with the connecting blocks for use, so that the side plate can be conveniently and quickly mounted at the top end of the bottom plate for use, a handbag can be conveniently sewn, and one side of the side plate is provided with the through groove and the connecting ring is mounted in the through groove for use; by means of the technical scheme, it can be guaranteed that the side plates cannot move after installation is completed, the situation that after a handbag is sewn, the side plates move on the inner side of the handbag, then the use effect of a user is affected can be avoided, and meanwhile the anti-deformation effect can be greatly reduced.

The utility model relates to the technical field of drying furnaces, in particular to an anti-deformation drying furnace body structure which comprises a drying furnace body, a bottom plate is installed on the lower surface of the drying furnace body, an installation lining is installed on the inner wall of the drying furnace body, and protruding columns are arranged on the outer surface of the installation lining. Grooves matched with the protruding columns are formed in the inner side wall of the drying furnace body. And the attaching ring is mounted in the drying furnace body, and the outer surface of the attaching ring is attached to the inner wall of the mounting lining. The outer surface of the first abutting plate is attached to the outer surface of the drying furnace body, so that the outer surface of the drying furnace body can be limited, similarly, the second connecting block and the second abutting plate can also limit the outer surface of the drying furnace body, the overall limiting effect is good, and the overall anti-deformation effect is good.

The invention discloses a multi-layer composite spring mattress supporting structure which comprises a carrying positioning assembly and a fabric combined structure, surrounding shell limiting parts installed in an inserted mode are arranged above the two ends of the carrying positioning assembly, and single-layer damping mechanisms installed in a sleeved mode are arranged on the inner sides of the upper portions of the surrounding shell limiting parts. According to the device, a layer of composite damping mechanism is arranged below a single-layer damping mechanism, a laminating plate layer and a lower laminating disc are distributed in an array mode through a sewing base disc, and a hinged base, an upper inclined spring rod and a lower inclined spring rod are annularly and symmetrically distributed through a lantern ring shell and a spherical block, so that the adaptive deformation effect is achieved; therefore, when the user lies flat and bears force at the inner concave part, the outer convex part can still achieve the self-adaptive balance effect, the structure can be changed in a self-adaptive mode according to the posture of the user, the amplitude is controllable, the user can still experience the comfort effect after long-time use, and the use health degree of the user is improved.

The utility model discloses a honeycomb structure core layer of a composite material building template, which belongs to the technical field of building templates and comprises a honeycomb core plate, first fixing blocks are mounted at corners of the honeycomb core plate, and first fibers are arranged between two groups of first fixing blocks at opposite angles of the honeycomb core plate. Second fixing blocks are installed in the middles of the side edges of the honeycomb core plate, second fibers are arranged between the two sets of second fixing blocks on the opposite side edges of the honeycomb core plate, and the first fibers and the second fibers on the surface of the honeycomb core plate form a star shape. The first fixing blocks and the second fixing blocks are arranged at the corners and the middle positions of the side edges of the honeycomb core plate respectively, the first fibers are arranged between the two sets of first fixing plates at the opposite corners of the honeycomb core plate, and the second fibers are arranged between the two sets of second fixing blocks at the opposite side edges of the honeycomb core plate. The overall strength of the honeycomb core plate can be improved, and the anti-deformation effect in the using process is improved.

The utility model discloses an aluminum profile frame with high-temperature-resistant and anti-deformation effects, which comprises two frame main bodies, four connecting frames are arranged between the two frame main bodies, a rotating sleeve is arranged on one side of each connecting frame, a rotating rod is arranged in each rotating sleeve, and the rotating rod is connected with the frame main bodies. A first bevel gear is fixedly connected to one side of the rotating rod, moving columns are symmetrically arranged in the connecting frame, the moving columns are fixedly connected with one side of the frame body, threaded rods are in threaded connection with the interiors of the two moving columns, and a second bevel gear is fixedly connected between the two threaded rods; and a moving groove is formed in the connecting frame, and a limiting ring is fixedly connected to the outer surface of the moving column. And by arranging a connecting frame, a rotating sleeve, a rotating rod, a first bevel gear, a second bevel gear, a threaded rod and a moving column, the frame body is driven to move, the using length of the frame body is adjusted, and the aluminum profile frame is more practical.

The utility model relates to the technical field of weighing platforms, and discloses a sectional type anti-rolling online weighing platform, which comprises an electronic weighing platform for weighing, and a conveying belt formed by a weighing frame, a driving roller and a conveying belt which are arranged on the electronic weighing platform, the driving roller drives the conveying belt to move after being driven by a motor, and the conveying belt is arranged on the electronic weighing platform. The electronic weighing platform is arranged on the conveying belt, so that the objects falling on the conveying belt are moved, and the increased weight when the objects are located on the conveying belt can be detected by the electronic weighing platform to form a record. According to the utility model, after a spherical object moves to the conveying belt, the cambered surface of the spherical object presses the rubber column to form a pit, so that the displacement of the spherical object is effectively limited, and side wrapping is formed through the deformation effect of the rubber column on the side, so that when the spherical object is weighed, the object is prevented from rolling down, and the weighing accuracy of the spherical object is improved. And the impact caused by the rolling of the object is prevented from influencing the measurement accuracy.

The utility model relates to a segment feeder front lower frame structure reinforcing tool for a large-diameter shield tunneling machine, and aims to solve the problem that in the prior art, when a large-diameter shield tunneling machine adsorbs segments, the segment feeder front lower frame structure deforms due to the downward pressing acting force of a segment erector, and then interference with a lower ship bottom plate structure is caused. The reinforcing tool comprises a segment feeder, a ship bottom plate, a lower frame structure, a main beam, a reinforcing steel plate and the like. The transverse reinforcing steel plate is additionally arranged between the lower frame structure and the main beam, and the longitudinal reinforcing steel plate is additionally arranged between the main beam and the ship bottom plate, so that the strength of the front lower frame structure is effectively improved, and the deformation effect is reduced. The device is exquisite and practical in design, simple and convenient to manufacture, low in cost and capable of remarkably improving construction continuity and safety of the shield tunneling machine, and has remarkable technical advantages and economic benefits.

The utility model relates to the field of anti-deformation structures, in particular to a muffle tube thermal loss deformation prevention structure of a continuous bright annealing furnace, which comprises a top ring, port blocks, an inner block, a top contact mechanism and a buckle mechanism, the port blocks are mounted at the upper end and the lower end of the top ring, and the top contact mechanism for adjusting the distance is arranged between the port blocks and the inner block. The outer side walls of the two ends of the top ring are provided with buckle mechanisms used for relatively fixing the top ring and the muffle tube. When the muffle tube needs to be subjected to anti-deformation reinforcement, the top ring is aligned with the tube opening of the tube body and is flatly placed into the end opening, the pulling plates on the two sides are oppositely pulled to drive the clamping blocks to slide towards the outer wall of the fixing rod to extrude the springs to generate potential energy, the pulling force is released after the clamping blocks are aligned with the clamping grooves, and the springs release the potential energy to push the clamping blocks to be inserted into the aligned clamping grooves; the top ring is fixed and supported, so that the muffle tube is prevented from being deformed after being heated, and the anti-deformation effect is improved.

The application provides a releasing energy hollow grouting anchor rod and a tunnel supporting construction method, and relates to the technical field of tunnel supporting. The releasing energy hollow grouting anchor rod comprises a free section, an anchoring section, a grouting opening and closing mechanism and a releasing energy section. One end of the releasing energy section is connected with the free section, the other end of the releasing energy section is connected with the anchoring section, the grouting opening and closing mechanism is connected between the releasing energy section and the anchoring section, the inside of the free section, the releasing energy section, the grouting opening and closing mechanism and the anchoring section are communicated, and the grouting opening and closing mechanism is used for pushing open from one end close to the releasing energy section and automatically closing after the pushing force is removed. The grouting opening and closing mechanism can prevent the slurry in the anchoring section from entering the releasing energy section, and avoid the problem that the members in the releasing energy section are bonded to cause poor yield deformation effect of the anchor rod.

The utility model discloses a shoe with a buffer protection function, which comprises a shoe body, the shoe body comprises a sole, a welt, an upper and a buffer pad, the welt and the upper are of an integrated structure, the welt is sewed on the upper surface of the sole through threads, and the buffer pad is arranged in the sole; by designing the protection mechanism, when the shoe body is worn on a rainy day, protection rubber can be turned over to the edge of the upper through the deformation effect of connecting rubber, an elastic rubber belt deforms and is tightly pressed on the surface of the upper to reinforce fastening, and when the shoe body is worn on the rainy day, the protection rubber is used for carrying out rainproof protection on the edge of the bottom end of the upper; when the shoe is worn on a sunny day, the protective rubber is turned over to the edge of the sole through the connecting rubber, the protective rubber is tightly pressed to the surface of the sole through the elastic rubber belt to protect the edge of the sole, deformation and damage are not prone to being caused when the shoe is impacted, and the buffering and protecting use effect of the shoe body in the use process is improved.

The present invention discloses a design optimization method for aircraft tooling lightening holes, belonging to the technical field of aircraft tooling design. The method comprises the following steps: obtaining the load-bearing conditions of each beam on a tooling without lightening holes; simplifying the beams on the tooling into statically indeterminate beams with fixed ends, transforming them into equivalent statically determinate systems when solving the problem, moving the load to the midpoint of the beam according to the force translation theorem, and then calculating the deformation of the beam by superimposing the deformation effects of each section to derive the maximum deformation equation of a cantilever beam with lightening holes when subjected to a concentrated force; determining the stiffness requirements and weight reduction goals of the tooling, and clarifying the limiting conditions of the lightening hole parameters; determining the beam load transfer relationship and determining different optimization strategies based on different load transfer methods; using orthogonal experiments to determine the degree of influence of the lightening hole parameters on the optimization goal, and optimizing the design of the tooling lightening holes based on the test results. The present invention provides new ideas and methods for the design of tooling lightening holes.