408 results about "Elastic energy" patented technology

The invention relates to the field of nuclear fusion, and discloses a fixing device for a nuclear fusion preassembled assembly, and the fixing device comprises a magnet connecting assembly which comprises a first beam body and a magnet connecting part, the first beam body extends in a first direction, and the magnet connecting part is arranged on the first beam body; the vacuum chamber connecting assembly and the magnet connecting assembly are spaced in the second direction, the vacuum chamber connecting assembly comprises a second beam body and a vacuum chamber connecting part, the second beam body extends in the first direction, and the vacuum chamber connecting part is arranged on the second beam body; the beam body connecting assembly is arranged at the two ends of the second beam body in the first direction, is connected with the first beam body and comprises a first connecting piece, a second connecting piece and an elastic energy storage piece, the first connecting piece is movably connected with the second connecting piece and is detachably connected with the first beam body, and the second connecting piece is detachably connected with the second beam body; one end of the elastic energy storage piece is movably connected with the first connecting piece, and the other end is movably connected with the second connecting piece. The gap between the magnet and the vacuum chamber can be restrained, and the position precision between the magnet and the vacuum chamber is guaranteed.

The present invention discloses a flapping-wing aircraft capable of catapult takeoff and having a sweep-torsion mechanism, belonging to the field of aircraft technology. The aircraft comprises: a fuselage frame, left and right flapping wings, a passive torsion mechanism, a sweep mechanism, a catapult takeoff mechanism, a transmission flapping mechanism, and a tail rudder, wherein: a passive torsion mechanism and a sweep mechanism are provided at the roots of the left and right flapping wings, the catapult takeoff mechanism is provided in the middle of the fuselage, and a hip joint, thigh, ankle joint, calf, foot, and toe joint are provided from top to bottom, the inner and outer sides of the hip joint are controlled by a servo motor for relative rotation, the ankle joint and toe joint are provided with elastic energy storage torsion springs, a synchronous pulley and its drive mechanism are provided between the outer side of the hip joint and the outer side of the ankle joint to control the relative rotation between the thigh and the calf, and perform energy storage for catapult takeoff. In summary, the aircraft can perform catapult takeoff flight, and can perform passive torsion and sweeping motions during the flapping of the wings, which helps to increase the flapping wing lift and the overall payload of the aircraft.

The invention provides a deicing device for split conductors and a control method. The deicing device comprises a supporting assembly, an elastic impact assembly, a monitoring module and a control module. Wherein the supporting assembly is installed between any two branch lines of the split conductor, the elastic impact assembly is fixed on the supporting assembly, the impact direction of the elastic impact assembly faces any branch line, the monitoring module is fixed on any branch line, and the monitoring module is used for monitoring the icing condition of the branch line. The control module is fixed to the supporting assembly and electrically connected with the monitoring module and the elastic impact assembly, and when the monitoring module monitors that the branch line starts to be iced, the elastic impact assembly is adjusted to be in an elastic energy storage state; and when the monitoring module monitors that the icing condition on the branch line exceeds a preset threshold value, the elastic impact assembly in the elastic energy storage state is released to impact the split conductor for deicing, so that the purposes of automatic triggering of the deicing device and long-term stay line deicing are achieved, and the safety and stability of the power transmission line are ensured.

A trampoline includes an elastic plate and a supporting unit, wherein the elastic plate includes a first end and a second end, and a portion, located between the first end and the second end, of the elastic plate is an elastic energy accumulator; the supporting unit includes supporting bodies arranged at the first end and the second end of the elastic plate, and the supporting bodies are capable of supporting the elastic plate and tensioning the first end and the second end of the elastic plate; during bending deformation of the elastic plate, the first end generates a symmetrical turning angle change with respect to the second end; during deformation recovering of the elastic plate, the supporting bodies apply reset force to the first end and the second end by utilizing the potential energy.

The invention belongs to the technical field of wearable exoskeletons, and particularly relates to a forearm power assisting device, a forearm power assisting method and an upper limb power assisting system. The forearm power assisting device comprises an angle transmission mechanism, an angle amplification mechanism, an elastic energy storage mechanism and a tension output mechanism; wherein the buckling angle of the front arm is transmitted through the angle transmission mechanism, and after the buckling angle is amplified through the angle amplification mechanism, the elastic energy storage mechanism is driven, so that the flexible traction cable outputs pulling force linked with the buckling angle of the front arm. The forearm power assisting device is a system based on the pure mechanical transmission and energy storage principle, forearm flexion and extension angle changes can be directly converted into self-adaptive tension linked with the forearm flexion and extension angle changes, and therefore forearm muscle fatigue in long-time fine operation can be effectively relieved without an external power source.

The invention provides a novel high and steep slope ecological restoration structure and a construction method thereof.The novel high and steep slope ecological restoration structure comprises a slope surface stabilizing base body unit, the surface of the slope surface stabilizing base body unit is covered with an ecological base material layer, and the slope surface stabilizing base body unit comprises a plurality of anti-sliding slope stabilizing modules distributed along the slope surface of a side slope in an array mode; each anti-sliding slope stabilizing module comprises a rigid bearing body, the outer surface of one side of each rigid bearing body is provided with a tenon part, the inner surface of the other opposite side of each rigid bearing body forms a mortise part, and the adjacent rigid bearing bodies form a continuous anti-sliding acting surface through mutual embedded connection of the tenon parts and the mortise parts; a soil nail anchoring assembly; the dynamic water-permeable protection panel is connected with the rigid bearing body through a telescopic water-permeable connecting piece, and the telescopic water-permeable connecting piece comprises an elastic energy storage supporting assembly and a water-permeable supporting assembly; and a water-swellable body. Through the construction of the slope surface stabilizing matrix unit, the ecological restoration effect of the side slope is greatly improved, and the occurrence risk of geological disasters such as landslide and the like is reduced.

The present application belongs to the field of rock burst risk assessment of deep rock engineering, and particularly relates to a quantitative evaluation method for rock burst tendency of surrounding rock under multiple disturbances, which comprises the following steps: obtaining the distribution depth of excavation damage zone through acoustic testing, and obtaining the average wave velocity of rock mass in the range of original rock zone; obtaining the geological strength index and disturbance factor through the average wave velocity; further obtaining the residual elastic energy of surrounding rock based on the geological strength index and disturbance factor, and evaluating the rock burst tendency of surrounding rock through the residual elastic energy of surrounding rock; the acoustic testing points of surrounding rock are unchanged, and the rock burst tendency of surrounding rock is evaluated after each excavation footage of the working face is completed, until the distribution characteristics of rock burst tendency no longer change obviously, which is taken as the long-term evaluation result of rock burst tendency of surrounding rock. The quantitative evaluation formula of rock burst tendency of surrounding rock considers the rock mass structure effect, which is reflected in the geological strength index, and considers the excavation disturbance effect, which is consistent with the actual situation of engineering construction process, and has strong practicability.

The utility model relates to the technical field of tunnel engineering, aims at solving the problems that an existing flexible connector is prone to breakage when being impacted, the protection effect is difficult to achieve, the connector and a tunnel lining are prone to being damaged, and potential safety hazards are caused, and provides a tunnel lining self-adaption section flexible connecting structure. Comprising a flexible connector arranged between two adjacent secondary lining sections, and the two ends of the flexible connector are used for being connected with the ends of the secondary lining sections on the two sides of the flexible connector respectively; the flexible connector comprises a framework, the interior of the framework is of a hollow structure, and the framework has rigidity and elasticity and can prevent the framework and a lining from being damaged and adapt to tunnel deformation; the flexible connecting structure disclosed by the utility model has certain rigidity, so that the secondary lining section seam has higher rigidity, and the secondary lining section seam is not easy to break when being subjected to larger earthquake damage or large-scale energy impact; and in addition, high elasticity and restorability are achieved, large deformation can be adapted, and the anti-dislocation capacity of the tunnel structure is improved.

The utility model relates to the technical field of energy storage, in particular to a linear elastic energy storage assembly. The linear elastic energy storage assembly comprises an energy storage group, the energy storage group comprises a plurality of elastic energy storage units, each elastic energy storage unit comprises two elastic strips, the two ends of each elastic strip are movably connected, the elastic energy storage units are arranged in a row, and in every two adjacent elastic energy storage units, the elastic strips are arranged in the row. The middle portions of the two elastic strips close to each other are movably connected, and the two elastic strips of the elastic energy storage unit can be stretched to be round or oval. The device has the advantages of being simple and reasonable in structural design, high in stretch rate and capable of storing large elastic potential energy.

The invention discloses an ornithopter capable of ejection take-off and provided with a sweeping-torsion mechanism, and belongs to the technical field of aircrafts, the ornithopter comprises a fuselage skeleton, a left flapping wing, a right flapping wing, a passive torsion mechanism, a sweeping mechanism, an ejection take-off mechanism, a transmission flapping mechanism and a tail vane, the catapult take-off mechanism is arranged in the middle of the robot body and sequentially provided with a hip joint, a thigh, an ankle joint, a shank, a foot and a toe joint from top to bottom, the inner side and the outer side of the hip joint are controlled by a servo motor to rotate relatively, and elastic energy storage torsion springs are arranged at the ankle joint and the toe joint correspondingly. Synchronous pulleys and driving mechanisms thereof are arranged between the outer sides of the hip joints and the outer sides of the ankle joints to control relative rotation between the thighs and the shanks, and energy storage of ejection take-off is carried out. In conclusion, the aircraft can perform ejection take-off flight, and the flapping wings can perform passive torsion and sweeping movement in the flapping process, so that the improvement of the flapping wing lift force and the overall effective load of the aircraft is facilitated.

The invention provides an adjustable pneumatic brake and an adjusting method, and relates to the technical field of brakes, the adjustable pneumatic brake comprises a box body, a power executing mechanism, a brake arm and a force amplifying mechanism, the power executing mechanism comprises an air cylinder and an elastic energy storage assembly, and the elastic energy storage assembly comprises a disc spring shaft, a disc spring set and a shaft seat; the disc spring shaft is connected with the air cylinder piston rod and penetrates through the shaft seat, and the disc spring set is sleeved at the tail end of the disc spring shaft. And two groups of symmetrically arranged brake arms are hinged in the box body, and one ends extend out of the bottom of the box body. The force amplifying mechanism comprises a connector, an adjustable connecting rod and an adjusting structure, the connector is fixed to the tail end of the disc spring shaft, and the two ends of the adjustable connecting rod are hinged to the connector and the brake arm respectively. When the air cylinder drives, the disc spring set is compressed to open the brake arm, and when pressure is released, the disc spring set drives the brake arm to clamp through the force amplifying mechanism. A force transmission path is adjusted through a mechanical structure, the adjusting range is expanded while the structural stability is kept, the braking force can be dynamically adjusted according to the friction coefficient, and the problem that the adjusting range of a traditional pneumatic brake is insufficient is solved.

The invention discloses a modular hydraulic energy recovery device and a recovery method thereof, and relates to the technical field of hydraulic energy recovery. A high-pressure pipeline of a hydraulic system is connected with the three functional modules in parallel through a multi-way pipe fitting, and a modular energy recovery system is formed. The high-pressure module adopts the combination of a leather bag type energy accumulator and a throttle valve, energy absorption is carried out aiming at the working conditions of high system pressure and slow change, and the pressure is stably released by utilizing the elastic energy storage characteristic of the energy accumulator; the high-frequency module is provided with a diaphragm type energy accumulator which is high in response speed, and instantaneous pressure fluctuation is rapidly restrained by dynamically adjusting the opening degree of a throttling valve; the power generation module drives a power generator through a hydraulic motor, and transforms the over-limit energy stored by the energy accumulator into electric energy for storage. The main control module monitors the system pressure and the change rate thereof in real time, dynamically switches the working states of the modules according to preset logic, and introduces a machine learning algorithm to optimize a threshold decision, so that the system adapts to complex working conditions.

The invention relates to the technical field of coal mining, in particular to a hard roof extra-thick impact coal seam risk evaluation method. Comprises: identifying a target layer; carrying out regional division on the hard roof; defining a linear equation for obtaining a stress component, and providing a basis for solving the linear equation of the main stress and the maximum shear stress; using a boundary linear equation to define the deflection and the corner at the node; defining a linear equation of the principal stress and the maximum shear stress when the medium-thickness plate is possibly subjected to shear or tensile failure; displaying an elastic energy density distribution rule on a plane; by comparing the elastic energy density of the hard roof under different rock stratum strengths, the danger of the hard roof extra-thick impact coal seam is quantitatively analyzed and evaluated. According to the method, the target layer is sequentially recognized, the model is constructed, the initial fracture energy accumulation and dispersion rule of the hard roof of the extra-thick coal seam in the coal mining process is obtained, finally, the initial fracture energy accumulation and dispersion rule is compared with the maximum approximate disaster energy for judgment, risk evaluation and early prediction are conducted for prevention and control, and mine earthquake disasters are controlled from the source.

The invention provides a winding anti-loosening and unfolding orienting device for a flexible stretching rod and a using method thereof.The winding anti-loosening and unfolding orienting device comprises wedge blocks, wedge block seats, a winding cylinder, the flexible stretching rod, an adapter shaft, a connecting rod and a guide wheel, the multiple wedge block seats are symmetrically arranged on the two sides of the winding cylinder, and the flexible stretching rod is arranged on the winding cylinder from inside to outside in a winding mode; a plurality of wedge blocks are symmetrically installed on the two sides of the flexible stretching rod, and the wedge blocks on the wound flexible stretching rod are stacked layer by layer and locked on the wedge block base to form a wedge block set. The wedge blocks and the wedge block bases are interlocked in the tangential direction and the transverse direction, the tangential displacement and the transverse displacement between the rings are limited, and disordered expansion and scattering of the flexible stretching rods under the action of the elastic energy of the flexible stretching rods and mutual contact friction of flexible stretching rod bodies between the rings are prevented; orderly fixation of folding and winding and orientation of unfolding of the flexible stretching rod are ensured; the structure is simple and reliable, the additional mass is small, and the usability and reliability of the flexible stretching rod serving as a stretching mechanism are improved.

The invention discloses a sealing structure suitable for an ultrahigh pressure container. A sealing area A is arranged at a pressure loading end between the inner wall of a cylinder and a sealing head, and a sealing area B is arranged in the direction far away from the pressure loading direction; in the sealing area A, the pressure loading end of the sealing head is provided with a circle of concave table, the end, away from the pressure loading direction, of the concave table is an inclined face a, an included angle a is formed between the inclined face a and the inner wall of the barrel, the pressure loading end of the sealing head is detachably connected with a gland, and a first sealing assembly or a second sealing assembly is installed in the concave table in a replaceable mode. The first sealing assembly comprises a metal triangular pad and a rubber sealing ring a. The second sealing assembly comprises a check ring and an elastic energy storage ring. In the sealing area B, a section of outer inclined plane is arranged on the outer side of the sealing head, a section of inner inclined plane is arranged on the inner wall of the cylinder, an included angle b is formed between the outer inclined plane and the inner inclined plane, and the threaded pressing ring, the pressing ring, the metal elastic ring and the rubber sealing ring b are sequentially arranged close to one another in the pressure loading direction. The structure can ensure the sealing reliability under various working conditions and is convenient to disassemble and assemble.

In a method, pose information of a cloth model is determined. A background grid is obtained based on uniformly dividing a two-dimensional plane that includes the cloth model. First motion information of each grid vertex indicating a motion state of each grid vertex at a first moment is acquired. An elastic energy function of the background grid indicating elasticity of the cloth model based on an elastic energy parameter is acquired. A target function indicating one or more constraints of the elastic energy function and the first motion information of each grid vertex is acquired. Second motion information of each grid vertex indicating a motion state of each grid vertex at a second moment later than the first moment is obtained based on the target function. First pose information of the cloth model is determined based on the second motion information of each grid vertex.

The invention discloses an environment-friendly wide-temperature-range adhesive tape with a high-toughness structure and a preparation method of the environment-friendly wide-temperature-range adhesive tape, and belongs to the technical field of high-performance composite materials. The core-shell particles with the soft core-hard shell structure are added, the core layer is composed of the elastic polymer with the glass transition temperature lower than-20 DEG C, the shell layer is the rigid polymer with the glass transition temperature higher than 60 DEG C, and the wide temperature range self-adaption of the high-toughness structure adhesive tape to summer and winter environments is achieved through the synergistic effect of temperature-sensitive characteristics. In a summer high-temperature environment, the rigid shell layer plays a microscopic scaffold effect and a physical cross-linking strengthening effect and inhibits flowing permeation of a sizing material to micropores of the release paper. And in a low-temperature scene in winter, the elastomer of the core layer still maintains high elasticity, can absorb and dissipate impact energy, serves as a microscopic pressure head, enhances mechanical interlocking and Van der Waals' force effects, and rapidly establishes sufficient initial adhesive force. And the contradictory problems of constructability and reliability of difficult paper uncovering in summer and poor adhesion in winter of the structural adhesive tape are integrally solved.

The invention discloses a bifunctional hybrid insole with high elasticity and shock absorption and a preparation method of the hybrid insole, and relates to the field of insole manufacturing. According to the dual-function high-elasticity and shock-absorbing Hybrid insole and the preparation method thereof, the half sole area is made of a POE high-elasticity material, and through twin-screw extrusion molding and plasma surface treatment, high elasticity with the rebound rate being larger than or equal to 60% and the Shore hardness C being 55-65 is achieved; the heel area is made of a low-density microcellular foaming EVA shock absorption material, and a uniform structure with the pore diameter of 100-200 microns is obtained by accurately controlling foaming parameters. Through material innovation, structure optimization and process precise control, the leap-type upgrade of the insole function from single buffering to biomechanical adaptation is realized; the technical key point is that the performance coordination of the partitioned composite material, the process breakthrough of the interface strength and the dynamic mechanical transition design, and the actual effect is that the movement efficiency is improved, the joint protection is enhanced, and the service life of the product is prolonged.

The invention provides a cleaning assembly and cleaning equipment, and relates to the technical field of cleaning equipment. The cleaning assembly comprises a base used for being fixedly connected with cleaning equipment; the outward swinging support arm comprises a first end and a second end, and the first end is rotatably connected with the base; the cleaning head is rotatably connected with the second end of the outer swinging support arm; the elastic energy storage part is arranged between the cleaning head and the outer swing support arm, and is used for enabling the cleaning head to have a trend of rotating outwards relative to the outer swing support arm; the guide piece is fixed on the cleaning equipment; when the outward swinging support arm moves from the retracting position to the unfolding position, the included angle between the cleaning head and the outward swinging support arm is kept within a first included angle range under the constraint of the guide piece. And when the outward swinging support arm swings to a critical position where the cleaning head is separated from the constraint of the guide piece, the cleaning head swings outwards to a larger second included angle relative to the outward swinging support arm under the action of the elastic energy storage piece. The cleaning assembly can solve the problems that a side brush is short in extending distance, cannot go deep into corners such as the bottom of furniture and can clean many dead corners.

The invention provides an ore pillar and filling body interaction loading test device and method under the variable stiffness condition, and belongs to the technical field of mining engineering.The device comprises a loading device, a lateral confinement cylinder, a load conduction column, an elastic energy storage device and a monitoring system, and a sample is placed in the lateral confinement cylinder; the elastic energy storage device comprises a first structure, a disc spring, a mandrel and a second structure, and the sample is a single pillar-filling body sample or a multi-pillar-filling body sample. The device has the advantages of simple operation and low cost, and can realize the flexible loading function of quantifiable rigidity of the testing machine. The device can be used in cooperation with an existing rock mechanical testing machine, so that the interaction process of the jambs and the cemented filling body under the loading conditions of top plates and bottom plates with different rigidities is simulated, a testing means and method can be provided for studying the reinforcing mechanism of the filling body on the jambs, and the influence mechanism of the filling body on the stress load transfer process between the jambs is clarified.

The utility model discloses wind power compensation device based on elastic energy storage technology, including support frame and first motor, first motor is installed on support frame, still include support casing, energy storage mechanism, power generation mechanism and intercommunication mechanism, support frame one side is provided with a plurality of support casing, energy storage mechanism sets up in support casing, is used to carry out energy storage to electric power, power generation mechanism sets up in a side of a plurality of support casing, is used to release the electric power after energy storage, intercommunication mechanism sets up between first motor and energy storage mechanism, is used to with the mechanical energy of first motor output is transported to energy storage mechanism, this wind power compensation device based on elastic energy storage technology is used to solve the problem that the wind energy resource is difficult to stabilize in prior art in the background art and influences the stability of electric power system.

The invention discloses a vibration and noise reduction transmission system and rotary excavating power equipment, and relates to the technical field of power transmission, the vibration and noise reduction transmission system comprises a driving device, a driven device and a transmission device, the transmission device is in contact connection with the driving device and the driven device, and the transmission device comprises a pressurizing part and a vibration reduction part; the pressurizing part is a hard part and is used for power transmission, the vibration reduction part is an elastic energy absorption part and is used for generating elastic deformation when the pressurizing part transmits power, and the vibration transmission frequencies of different positions of the vibration reduction part are different. Buffering of collision is achieved through elastic deformation, noise attenuation is achieved from the interior of a sound source, the noise reduction efficiency is improved, vibration energy is transmitted through an elastic structure, fatigue damage to parts is avoided, the force transmission performance and the noise reduction requirement can be considered, the vibration transmission frequencies of different positions of the vibration reduction part are different, the fixed frequency is eliminated and stabilized, and mechanical waves are isolated.

A terminal block device and its locking-type electrical connection plug are provided. The terminal block device includes the locking-type electrical connection plug and an electrical connection socket connected with each other. The locking-type electrical connection plug includes a housing and a locking handle. The housing includes a guide groove divided into two segments. The locking handle includes a pressing part, a latch body, and an operating section. The latch body snaps onto the electrical connection socket. The operating section includes two shafts and an elastic component. The two shafts are guided by the two segments. The elastic component exerts an elastic force on the housing. When the pressing part is pressed, the locking handle is guided by the two shafts to swing, causing the latch body to lift and disengage from the electrical connection socket, and making the elastic component store elastic energy.

This application relates to a mechanism for automatically opening a roller shutter door (20) in an emergency, comprising: a roller (21), which is a hollow cylindrical roller, including at least one first positioning hole (211), the first positioning hole being disposed at one end of the roller; a rotating shaft (22), the diameter of which is smaller than that of the roller (21), which can rotate with the roller (21) and protrudes from both ends of the roller to form two rotating ends (222); at least one spring (24), one end (241) fixed on the rotating shaft (22), and the other end (242) fixed on the inner surface of the roller (21); when the rotating shaft (22) rotates relative to the roller (21) in the opposite direction of the roller shutter door body, the spring (24) rotates back to generate elastic energy storage; an elastic energy storage fixing unit (25), disposed on the rotating end (222) of the rotating shaft (22), and the roller (21) is provided with a first positioning hole (211) for fixing the elastic energy storage; and a starter is activated to release the elastic energy storage, thereby ensuring the efficiency of automatic opening of the roller shutter door.

The invention provides a self-hammering grounding drill rod for grounding maintenance, and belongs to the technical field of grounding maintenance. A self-hammering grounding drill rod for grounding maintenance comprises a grounding drill rod body, a connecting disc and a circular ring handrail. One end of the grounding drill rod is spine-shaped, and the other end is coaxially and fixedly connected with the bottom of the connecting disc; an energy storage hammer is arranged outside the limiting sliding rod in a vertical limiting sliding sleeve manner; cylindrical protruding blocks matched with the sliding ways are arranged on the two sides of the energy storage hammer in a protruding mode. The partial width of the slideway in the vertical direction is greater than the diameter of the bump; the energy storage hammer accumulates energy through an elastic energy storage part arranged between the energy storage hammer and the bearing assembly; and a protective cover is sleeved outside the power rotary drum. The top of the power drum penetrates through the protective cover and is in transmission connection with the power output end of the gear motor. According to the invention, continuous low-power rotary input is converted into axial energy storage impact, so that the grounding drill rod can vertically hammer and penetrate into the ground, the labor intensity is reduced, the single-person operation efficiency is improved, and the safety risk generated by swinging a hammer by a traditional operator during construction is also eliminated.

The invention relates to a sleeve type anti-seismic truss connecting node and a truss structure unit, belongs to the technical field of buildings and engineering, and solves the problem of poor anti-seismic property caused by stress concentration at the node of a laminated wood truss structure in the prior art. The device comprises sleeve structures, laminated wood web members, chord member connecting plates, chord member steel filling plates and damping assemblies, the chord member connecting plates and the chord member steel filling plates are at least connected with the two sleeve structures, and the two ends of each laminated wood web member are connected with the corresponding sleeve structure; the sleeve structure comprises an outer sleeve, an inner sleeve and an elastic damping piece, the inner sleeve is arranged in the outer sleeve, and the elastic damping piece is arranged in a gap between the inner sleeve and the outer sleeve; the damping assembly is arranged at the joint of every two adjacent outer sleeves. The end anchoring part of the laminated wood web member is stressed in stages, so that the structural stress requirement is met, and the anti-seismic property requirement can be met through friction energy consumption and elastic energy consumption piece energy consumption.

The invention provides an elastic load-bearing device which comprises a first connecting body, a second connecting body, a third connecting body, a fourth connecting body and a fifth connecting body, and the first connecting body is internally provided with a first containing cavity and provided with a first opening communicating with the first containing cavity; a second containing cavity is formed in the second connecting body, a second opening and a third opening which are communicated with the second containing cavity are formed in the second connecting body, and the second opening and the third opening are oppositely arranged; the connecting assembly is embedded in the first containing cavity and the second containing cavity through the first opening and the second opening, so that the first connecting body and the second connecting body are connected through the connecting assembly; the buffering assembly is arranged in the second containing cavity in a sliding mode and can stretch out and draw back on the second connecting body in a sliding mode through the third opening; when the buffering assembly slides in the direction away from the first connecting body, elastic energy storage can be achieved between the buffering assembly and the second connecting body, so that buffering acting force is formed, and the technical problem that an existing bearing hanging bracket lacks a buffering function is solved.

Disclosed is a hand-and-wrist accessory device formed by an elasticated glove, wherein the ends of the fingers and the end of the wrist comprise an internal elasticated silicone layer that acts as a mechanical securing element for securing to the skin, these securing elements being connected to rigid structures connected to elastic elements, transmitting elastic energy from the wrist to a central floating piece on the dorsal carpus, where it is distributed to each finger terminal, the elastic elements being guided by rigid pieces disposed in the paths extending from the central piece to the finger terminals, to ensure the correct alignment thereof. These external elements have reciprocal securing elements to generate continuity from the wrist terminal to the finger or digit terminals. Cushioned elements are disposed on the palm to redistribute pressure in the wrist areas.

The invention relates to the technical field of geotechnical engineering, and discloses a staged energy dissipation and shock absorption type anchor rod reinforcing device which comprises a first reaming section, a second reaming section and an anchoring section which are arranged on a reinforced rock mass in sequence, the first reaming section is provided with an anchor rod extending towards the second reaming section, and the anchoring section is provided with an anchoring structure connected with the anchor rod. The outer side of the anchoring structure is coated with a concrete anchoring layer located on the anchoring section, and a first blocking piece used for blocking the concrete anchoring layer is arranged between the anchoring section and the second reaming section. The vibration stress buffering strength in the anchor rod reinforcing process is improved; the vibration stress of the anchor rod can be released in a multi-time elastic energy dissipation and radial conversion mode, fatigue of a single component is avoided, and the multi-time vibration impact effect can be resisted; the plugging operation of grouting reinforcement slurry can be achieved, the grouting reinforcement effect is improved, slurry leakage is avoided, the anchor rod reinforcement strength is improved, and the safety of an anchor rod reinforcement project is improved.