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27results about How to "Improve crashworthiness" patented technology

Municipal road and bridge engineering guardrail

The utility model provides a municipal road and bridge engineering guardrail, belongs to the technical field of municipal roads, and aims to solve the problem that in the prior art, the body of a rescuer is easily injured as the impact force is large when the rescuer jumps into river water from a bridge. Comprising a road surface, guardrail supports, guardrail handrails, guardrail supporting rods, guardrail vertical rods, a protection launching mechanism and an impact buffering mechanism. The guardrail support is fixedly connected to the upper end face of the road surface. The guardrail handrails are fixedly connected to the inner end faces of the two sets of guardrail supports. The guardrail supporting rods are fixedly connected to the inner end faces of the guardrail supports. The guardrail vertical rods are fixedly connected to the inner end faces of the guardrail supporting rods. The protective launching mechanism is arranged on the protective sliding cover; and the impact buffering mechanism is arranged on the guardrail vertical rod. By the adoption of the conveying and launching mechanism, it is guaranteed that people in the water can rescue drowning people rapidly and safely, and by the adoption of the impact buffering mechanism, the safety of the guardrail is improved.
Owner:SHIJIAZHUANG CIRCULAR CHEMICAL PARK CONSTRUCTION INVESTMENT CO LTD

Bidirectional sloping bench staggered combined sandwich structure

The invention discloses a bidirectional sloping bench staggered combined sandwich structure which comprises an upper panel, a lower panel and a combined core arranged between the upper panel and the lower panel. The combined core body is formed by assembling an upper core body and a lower core body; the upper core body comprises an upper core plate, a plurality of inclined tables and a plurality of transverse clamping grooves, the inclined tables and the transverse clamping grooves are arranged on the upper core plate, and the inclined tables and the transverse clamping grooves are arranged on the upper core plate, inclined in the transverse direction and arranged in a staggered mode in the inclined direction. The lower core body comprises a lower core plate, a plurality of inclined tables and a plurality of longitudinal clamping grooves, the free end of the inclined table, inclining in the transverse direction, of the upper core body is connected with the longitudinal clamping groove in the corresponding position of the lower core body in an inserted mode, the inclined table, inclining in the longitudinal direction, of the lower core body is connected with the transverse clamping groove of the upper core body in an inserted mode, and a two-way staggered interlocking structure is formed. According to the invention, multidirectional balanced bearing can be realized while light weight is maintained, the modular plug-in combination design is adopted, so that assembly is facilitated, and the modular plug-in combination design can be flexibly adapted to complex curved surface configurations such as planes and cylinders.
Owner:JIANGSU UNIV OF SCI & TECH

Anti-cracking door pocket assembly

The utility model relates to the related technical field of door pockets, in particular to an anti-cracking door pocket component, which is characterized in that a base plate is fixedly mounted on the inner wall of a wall body, a mounting mechanism is arranged at one end of the base plate, an anti-collision mechanism is arranged at one end of the mounting mechanism, a connecting plate is arranged at one end of the mounting mechanism, and a bolt is arranged at one end of the connecting plate. According to the anti-cracking door pocket assembly, the first placing groove, the first rubber pad, the first spring, the first anti-collision strip, the second placing groove, the second rubber pad, the second spring and the second anti-collision strip are arranged, and the first placing groove is formed in the surface of one side of the second door pocket, so that the door pocket and the door pocket line can be quickly mounted in an embedded manner; the installation mode is very fast and convenient, the structural stability of the door pocket is greatly improved through the first reinforcing plate and the second reinforcing plate arranged in the door pocket, the waterproof cotton can achieve the damp-proof effect, and the door pocket is prevented from being damped and cracked.
Owner:GUANGDONG YUFENG IND (GRP) CO LTD

Prediction method of geometric parameters and crashworthiness performance of rail vehicle composite structure based on transfer learning and image recognition

The present invention provides a method for predicting the geometric parameters and crashworthiness of a composite structure of a rail vehicle based on transfer learning and image recognition, establishes a finite element model of a composite energy absorption structure of a subway train, verifies the finite element model in combination with a real vehicle collision test, and calculates the collision results of the finite element model of the composite energy absorption structure under different design parameters through an experimental design method; based on the calculated collision results, the crashworthiness characteristic indicators and structural parameters are inversely calculated from the deformed image to ensure that the energy absorption structure has a better deformation pattern during the crashworthiness optimization process, broadens the application of image recognition in the crashworthiness design of the composite energy absorption structure of subway trains, and enables big data.
Owner:CENT SOUTH UNIV

Brushless anti-collision swing gate

ActiveCN222575327Uoff stableImprove crashworthinessTraffic restrictionsBrushless motorsStructural engineering
The brushless anti-collision swing gate comprises an installation assembly and a gate assembly, the installation assembly comprises an installation box, a gate area, a brushless motor, a power module, a bottom groove, an electric rod, a clamping block, a clamping groove, a buffering cushion, an upper filter screen, a lower filter screen, a control module and an induction module, the installation box is in a C shape, and the gate area is arranged in the installation box; a gate area is arranged on the left side of the mounting box, and the interior of the mounting box is of a hollow structure. By arranging the mounting box, the brushless motor, the bottom groove, the electric rod, the clamping block, the clamping groove, the buffering pad, the main rod, the door frame and the baffle, the clamping block is additionally arranged below the door frame, when the clamping block is jacked up, the clamping groove in the clamping block clamps the bottom of the door frame, so that the swing gate is more stable when closed, and when the gate is subjected to external impact, the buffering and stabilizing effects can be achieved; meanwhile, the impact on the main rod and the brushless motor is reduced, the anti-collision force of the swing gate is improved, and the running smoothness of the swing gate is enhanced.
Owner:SHENZHEN ZHONGTUO TRANSPORTATION EQUIP CO LTD

Metal sandwich structure and manufacturing method thereof

The invention relates to a metal sandwich structure which comprises an upper panel, a lower panel and a metal sandwich layer arranged between the upper panel and the lower panel. The metal sandwich layer is composed of a plurality of core plates arranged in parallel, the upper end and the lower end of each core plate are perpendicularly connected with the upper face plate and the lower face plate respectively, and a gap is formed between every two adjacent core plates. In implementation, an upper panel, a lower panel and an inner metal sandwich layer between the two panels are arranged, the outermost side of the metal sandwich structure in the length direction and the width direction is an opening, a main body part of the metal sandwich layer between the peripheral openings is provided with core plates which are longitudinally arranged in parallel, and a hollow interlayer is arranged between the metal core plates. The upper and lower end faces of the core plate are connected with the inner surfaces of the panels through welding; by changing the thickness of the plate, the size of the panel, the height of the core plate and the distance between the core plates, the metal sandwich structure which has multiple size specifications and different structural strengths under the same structural form and can meet the requirements of various use scenes can be manufactured.
Owner:SHIPBUILDING TECHNOLOGY RESEARCH INSITITUTE (NO 11 INSTITUTE OF CSSC)

A liftable medical waste removal and weighing robot

The invention discloses a liftable medical waste cleaning and weighing integrated robot, which belongs to the field of robots and comprises a machine body, a display screen is fixedly mounted on the machine body, a first roller is fixedly mounted on the bottom of the machine body, a garbage bin is movably mounted on the back of the machine body, a bin cover is movably mounted on the garbage bin, a bracket is fixedly mounted on the bottom of the garbage bin, a second roller is fixedly mounted on the bottom of the bracket, and a lifting and fixing mechanism is fixedly mounted on the machine body. Through the lifting and fixing mechanism, four side positions of the bottom of the garbage bin are restricted by fixing rods, so that when the robot climbs a slope such as a threshold, the lifting and fixing mechanism supports the garbage bin more firmly, and the garbage bin is not easy to slip. Through the provided weighing mechanism, the weight of the garbage can be accurately weighed, which is convenient for recording data. Through the provided anti-collision mechanism, it is convenient to clean up the broken strips and convenient bags through the cleaning bristles to avoid them being entangled in the first roller and making them unable to work.
Owner:ZHEJIANG JINSHILE ENVIRONMENTAL ENG CO LTD

Heavy-duty anti-collision early warning vehicle and anti-collision buffering method

The invention discloses a heavy anti-collision early warning vehicle which comprises an elastic energy absorption anti-collision panel, a compartment type energy absorption box, a friction energy dissipation bottom plate, a mode conversion driving assembly and an early warning mechanism. The elastic energy absorption anti-collision panel is assembled at the front end of the compartment type energy absorption box, and the compartment type energy absorption box comprises liquid compartments and cavity compartments which are arranged in a staggered mode. The friction energy dissipation bottom plate is fixed to the bottom of the compartment type energy absorption box. The mode conversion driving assembly is assembled in a fixing cavity formed in the bottom of the compartment type energy absorption box and can be used for supporting in the anti-collision working state and lifting the compartment type energy absorption box to be hauled in the hauled state. The early warning mechanism is assembled at the top of the compartment type energy absorption box; through the combined design of the elastic energy absorption anti-collision panel, the compartment type energy absorption box and the friction energy dissipation bottom plate, multi-stage collision buffering is achieved, and vehicle intrusions of different speeds and weights can be coped with; the early warning mechanism is arranged, so that an early warning signal can be sent out in time to remind a driver to pay attention, and the accident risk is further reduced.
Owner:ZHEJIANG COMM CONSTR GRP CO LTD

VEHICLE FRONT BODY STRUCTURE AND ITS MANUFACTURING PROCESS

ActiveMA43412AImprove crashworthiness
The present invention relates to a front vehicle body structure comprising an upper longitudinal beam and an upper wing rail (14) designed to support a vehicle wing, said upper wing rail (14) extending in a longitudinal direction substantially parallel to the upper longitudinal beam and having a front end (14a) and a rear end (14b) spaced along the longitudinal direction. The resistance to plastic deformation of the upper wing rail (14) increases from the front end (14a) of the upper wing rail (14) to the rear end (14b) of the upper wing rail (14). The yield strength of the material in the rear section (62) is greater than the yield strength of the material in the front section (60) and / or the rear section (62) has a greater wall thickness than the wall thickness of the front section (60).
Owner:ARCELORMITTAL SA

Cowcatcher provided with aluminum honeycomb coated energy absorption device

The invention provides a cowcatcher which comprises a sliding part installed at the front end of the bottom of a compartment of a railway vehicle and used for making direct contact with an obstacle. The fixed part is installed at the bottom of a compartment of the railway vehicle, and the cowcatcher fixed part and the cowcatcher sliding part are connected through the sliding part sliding block and the fixed part sliding block to serve as a rigid support and mainly play a role in integrally supporting and connecting the cowcatcher and a vehicle body; the aluminum honeycomb coated energy absorber is mounted between the sliding part and the fixed part, the aluminum honeycomb coated energy absorber is fixedly connected with the fixed part, and the sliding part compresses the aluminum honeycomb coated energy absorber in the process that a train collides or obstacles are removed, so that the aluminum honeycomb coated energy absorber is fixed to the fixed part. And the aluminum honeycomb coated energy absorber is allowed to deform under the action of the collision force so as to further absorb collision energy.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Vehicle body and battery pack structural assembly and vehicle

The application provides a vehicle body and battery pack structure assembly and a vehicle. The vehicle body and battery pack structure assembly comprises a first rocker beam, a second rocker beam, a front floor assembly and a battery pack housing. The front floor assembly comprises a front floor. Two sides of the front floor along the vehicle width direction are connected with the first rocker beam and the second rocker beam respectively. The battery pack housing is located between the first rocker beam and the second rocker beam and on one side of the front floor along the vehicle height direction. The battery pack housing comprises a first side sill, a second side sill and a mounting side sill extending along the vehicle length direction. The first side sill is connected with the first rocker beam. The mounting side sill comprises a connecting portion and a mounting portion, and the mounting portion is connected with the second rocker beam. The second side sill is connected with the mounting portion through the connecting portion. The mounting portion, the connecting portion and the second side sill form an accommodation space. A front floor lower longitudinal beam is arranged between the connecting portion and the front floor and extends along the vehicle length direction, and is used for connecting the mounting side sill with the front floor.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1

Pull rod sleeve structure of shower room

ActiveCN224647835UImprove crashworthinessAvoid collision situations
The utility model relates to a shower room technical field discloses a shower room's pull rod cover structure, including the pull rod cover body for pull rod cover set, the pull rod cover body has one installation groove through its upper and lower ends, and has the counterbore mounting hole of being located on the groove bottom of installation groove, one is hidden anti -collision fastener for hiding counterbore mounting hole and is connected with the compatible buckle on the installation groove, the door body limiting groove for shower room door embedding limit is passed through the upper and lower ends of hidden anti -collision fastener and has, the utility model provides shower room's pull rod cover structure not only plays good anti -collision effect to shower room door, prevents the shower room door from happening and wall body collision situation when moving close to wall body, and high structural stability has promoted the use experience of shower room, and moreover has promoted the overall aesthetic degree of shower room, makes shower space more neat, harmonious, and can hide bolt, and dismouting is convenient, is favorable to the assembly of structure and the damage maintenance of structure.
Owner:ZHONGSHAN FUSHA SHOWER ROOM CO LTD

Reinforced anti-riot and anti-collision type anti-collision car stopping roadblock

ActiveCN222513140Uprevent whippingImprove crashworthinessTraffic restrictionsStructural engineeringMechanics
The utility model discloses a reinforced anti-riot and anti-collision type anti-collision car stopping roadblock which comprises a pre-buried box, a turnover table and a turnover jacking assembly. The overturning table and the overturning jacking assembly are both arranged in the pre-buried box. When the overturning jacking assembly is lifted upwards, the overturning table is jacked to the upper portion of the pre-buried box to achieve the vehicle intercepting effect. When the overturning jacking assembly descends, the overturning table is folded into the pre-buried box. The overturning jacking assembly comprises a set of jacking oil cylinders and a set of anti-collision tensile arms, and the tops of the jacking oil cylinders are supported in the middle of the overturning table and used for achieving jacking and descending of the overturning table; one end of the anti-collision tensile arm is coupled with the embedded box, and the other end of the anti-collision tensile arm is coupled with the overturning table. According to the car stopping roadblock machine, the anti-collision tensile arms are additionally arranged during collision prevention, and the situation that the arc-shaped overturning table is forcefully lifted up due to too large collision force can be prevented.
Owner:NANJING SOK AN ELECTONIC CO LTD

Automobile door dynamic simulation optimization method and system based on multiple physical fields

The invention provides an automobile door dynamic simulation optimization method and system based on multiple physical fields, and the method comprises the steps: S1, building a virtual automobile door model based on an actual physical automobile door model, and carrying out the finite element analysis of the virtual automobile door model based on the automobile door material parameters in the current temperature range and the stress range, simulation data of the vehicle door weight and the structural strength are obtained; s2, constructing a target function for the simulation data of the vehicle door weight and the structural strength, wherein the target function is set to be that the vehicle door weight meets the minimum weight and the structural strength can pass a vehicle crashworthiness test; and S3, the optimal vehicle door weight and the optimal structural strength output by the target function are searched through a differential optimization algorithm, and vehicle door material parameters corresponding to the optimal vehicle door weight and the optimal structural strength are obtained. The design efficiency and accuracy of the automobile door are improved, and the research and development cost of the automobile is reduced.
Owner:DONGFENG BROSE AUTOMOTIVE SYST CO LTD

Suspension system and vehicle

The utility model provides a suspension system and a vehicle, the suspension system comprises a primary suspension unit and a secondary suspension unit; the first-stage suspension unit comprises a mounting frame, and a front suspension bushing and a rear suspension bushing which are arranged on the mounting frame, and the front suspension bushing and the rear suspension bushing are connected with the power assembly; the second-stage suspension unit comprises two front suspension assemblies and two rear suspension assemblies, wherein the two front suspension assemblies and the two rear suspension assemblies are arranged on the left side and the right side of the mounting frame respectively. According to the suspension system, through the arrangement of the first-stage suspension unit and the second-stage suspension unit, the vibration isolation effect of the whole vehicle is improved, the front suspension assembly and the rear suspension assembly are both arranged on the left side and the right side of the installation frame, and the front suspension lining and the rear suspension lining are both arranged on the installation frame; the occupation of the suspension structure on the energy absorption space is reduced, and the collision resistance and the offset collision condition score of the whole vehicle body are improved.
Owner:GREAT WALL MOTOR CO LTD

Precast crash barriers and precast crash barrier systems

ActiveCN224281105UMeet the needs of security protectionImprove crashworthinessClimate change adaptationFoundation engineeringArchitectural engineeringStructural engineering
This utility model relates to the field of traffic facility technology and discloses a prefabricated crash barrier and a prefabricated crash barrier system, including: a base, connecting ribs, crash barrier pipes, and column kits; the base has an upward-facing connecting groove, the crash barrier pipe has a pre-embedded section and a sleeve section connected in the vertical direction, the pre-embedded section is disposed in the connecting groove, and the outer peripheral wall of the pre-embedded section and the groove wall of the connecting groove form a first receiving cavity for filling cement mortar, the connecting ribs pass through the groove wall of the connecting groove to connect the base and the pre-embedded section, the sleeve section passes through the groove opening of the connecting groove and protrudes upward relative to the base, and the column kits are sleeved on the sleeve section. This utility model occupies less space, has a simple and beautiful appearance, and is suitable for urban safety protection.
Owner:GUANGZHOU DESIGN INST

A damping buffer energy dissipation type bridge collision protection structure and device

ActiveCN116876423BRealize self-recoveryRealize flexible cushioningClimate change adaptationBridge structural detailsInternal energyMechanics
This invention provides a damping-type energy-dissipating bridge collision protection structure and device. The damping-type energy-dissipating bridge collision protection structure includes a collision protection chamber filled with a damping medium. An energy dissipator is located on the side of the collision protection chamber facing the bridge pier, and the energy dissipator is connected to the collision protection chamber via a valve. The energy dissipator has at least one axially arranged baffle plate with multiple damping flow channels. This structure utilizes the collision protection chamber to achieve flexible buffering against ship collision impacts. Simultaneously, by combining the viscous properties of the damping medium, the impact kinetic energy is dissipated as internal energy, resulting in good overall collision resistance and simple maintenance after a collision.
Owner:WUHAN RIO TINTO QIAOKE ANTI COLLISION FACILITIES CO LTD

Anti-collision structure of offshore wind power fan foundation

The utility model discloses an anti-collision structure for an offshore wind power fan foundation, which belongs to the field of anti-collision structures and comprises a foundation pile, a foundation platform is fixedly connected to the upper end of the foundation pile, and an anti-collision mechanism is movably mounted on the outer side of the foundation pile. The anti-collision mechanism comprises an upper circular ring body, a lower circular ring body, a sliding groove, an upper roller, a lower roller, a connecting plate, a connecting rod, a mounting plate and a rubber pipe, through the arranged anti-collision mechanism, when a ship body collides with the mounting plate on the outer side, the rubber pipe deforms, the mounting plate inwards extrudes a spring, the foundation pile primarily buffers the collision force through the rubber pipe and the mounting plate, and the collision force is effectively prevented from being damaged. The upper circular ring body and the lower circular ring body are movably installed with the upper rolling wheel and the lower rolling wheel through the sliding grooves, when collision occurs, the upper circular ring body and the lower circular ring body are collided to rotate towards the side face, the direction of collision force is changed, the ship body slides towards the side face along with the direction, the foundation pile is prevented from directly facing the collision force all the time, and the anti-collision capacity of the foundation pile is better.
Owner:CSSC WIND POWER ENG TECH (TIANJIN) CO LTD

High-performance offshore wind power steel-UHPC combined pipe structure and manufacturing and construction method thereof

The invention discloses a high-performance offshore wind power steel-UHPC combined pipe structure and a manufacturing construction method thereof.The steel-UHPC combined pipe structure comprises a steel pipe and studs and further comprises a UHPC outer wrapping layer wrapping the steel pipe from the outer side, the outer surface of the steel pipe is connected with the studs in a welded mode, the UHPC outer wrapping layer is fixedly connected with the steel pipe through the studs, and the UHPC outer wrapping layer is fixedly connected with the steel pipe through the studs. A rib net of a net structure is further arranged in the UHPC outer wrapping layer, the rib net is connected with the studs through spot welding or binding, and the steel pipe, the studs, the UHPC outer wrapping layer and the rib net form a steel-UHPC combined pipe structure used as a pipe pile or a jacket foundation or a tower drum or an anti-collision component or a cable tying component. The durability and bearing capacity of the wind power structural component can be effectively improved, the reliability of the wind power structure is improved, the service life is prolonged, and the maintenance cost is reduced.
Owner:GUANGZHOU DINGXING CIVIL ENG TECH CO LTD +2

Controllable energy-absorbing ch-type corrugated column and aircraft fuselage structure

ActiveCN121084590BImprove structural stabilityHigh structural efficiencyFuselage framesLanding performanceStructural deformation
The application discloses a controllable energy-absorbing CH-type corrugated stand column and an aircraft fuselage structure, and belongs to the technical field of aircraft structures. A H-type corrugated section is arranged in the middle section of the CH-type corrugated stand column, and upper and lower ends are C-type connecting sections, which are connected with a floor beam and a fuselage frame through corner pieces, respectively. The aircraft fuselage structure comprises the CH-type corrugated stand column and the fuselage frame, and a plurality of induction openings are arranged at the upper edge strips of the fuselage frame. Through the combined action of the CH-type corrugated stand column and the fuselage frame, a plurality of plastic hinges are generated at the induction openings, so that stable progressive failure of the CH-type corrugated stand column under pressure is ensured, controllable failure and energy absorption stability of the aircraft fuselage frame section are realized, the energy absorption efficiency of the structure and the landing performance are greatly improved, and the problems of uncontrollable deformation of the thin-walled structure of the aircraft fuselage lower opening section and low energy absorption efficiency are solved.
Owner:CIVIL AVIATION UNIV OF CHINA

Automobile front frame and automobile

The present invention relates to a front frame of an automobile and an automobile, wherein the front frame of the automobile comprises: a left front longitudinal beam and a right front longitudinal beam, wherein the rear ends of the left front longitudinal beam and the rear ends of the right front longitudinal beam are used to connect to the middle frame of the automobile; a left vertical beam and a right vertical beam, wherein the left vertical beam and the right vertical beam are respectively connected to the front ends of the left front longitudinal beam and the right front longitudinal beam; and a U-shaped aluminum beam arranged above the left front longitudinal beam and the right front longitudinal beam, which is an aluminum alloy extrusion composed of two legs and an arc, wherein the two legs are all used to connect to the middle frame of the automobile, and the arc is connected to the upper ends of the left vertical beam and the right vertical beam. The front frame of the automobile replaces a component composed of a left upper longitudinal beam, a right upper longitudinal beam and an upper cross beam, which is heavy in weight and complex in structure, by a U-shaped aluminum beam with light weight and simple structure, which can not only reduce the weight of the front frame of the automobile and help the automobile to improve power, but also reduce the assembly difficulty of the front frame of the automobile and improve production efficiency.
Owner:AIWAYS AUTOMOBILE CO LTD

Anti-collision structure of obstacle avoidance lithium electric vehicle

ActiveCN222329899UPlay the effect of lateral shock absorptionImprove crashworthinessFoot-restsCycle batteriesStructural engineeringElectric vehicle
The anti-collision structure comprises a pedal plate box, hollow frames are fixedly connected to the two sides of the inner wall of the pedal plate box, sliding blocks are slidably connected to one ends of the inner walls of the hollow frames, bearing plates are fixedly connected to the two ends of the opposite faces of the two sliding blocks, and hollow plates are fixedly connected to the opposite faces of the bearing plates. Spring barrels penetrate through the two ends of the hollow plate, a U-shaped containing frame is fixedly connected to the top end of the second sliding rod, multiple sets of hollow side plates are installed in the U-shaped containing frame, the most basic anti-collision effect can be achieved by arranging a pedal box, when the sliding block slides longitudinally, a first reset spring can achieve the longitudinal damping effect on the sliding block, and therefore the damping effect of the sliding block is improved. And by arranging a connecting structure among a spring barrel, a second sliding rod and a second reset spring, the transverse damping effect can be achieved, so that after the pedal box is impacted, a placement structure of an internal lithium battery panel can have a good shockproof effect, and the anti-collision function of the obstacle-avoiding lithium electric vehicle is improved.
Owner:河北工程技术学院

An impact energy absorption protective device with non-uniform wall thickness diamond composite structure

The present invention relates to the field of coal mine safety technology, and in particular to an impact energy absorption protective device with a non-uniform wall thickness rhombus composite structure, which aims to solve the problems of poor buffering energy absorption effect, poor collision resistance and impact resistance of existing impact energy absorption devices. The non-uniform wall thickness rhombus composite structure impact energy absorption protective device adopts a non-uniform wall thickness rhombus composite structure energy absorption layer as the main energy absorption component, and forms a composite honeycomb structure by combining a non-uniform wall thickness rhombus structure with a non-uniform wall thickness rhombus structure connecting arm. It not only fully utilizes the characteristics of the non-uniform wall thickness rhombus structure with small stiffness, excellent energy absorption characteristics, strong collision resistance and good bending resistance, but also gives play to the advantages of the honeycomb structure with light weight, high strength, high shear modulus, good notch resistance, fracture resistance, high resilience toughness, stable mechanical properties, excellent energy absorption capacity and strong impact resistance, so that the non-uniform wall thickness rhombus composite structure energy absorption layer has excellent energy absorption performance as a whole, and the structure is stable and reliable.
Owner:SHANDONG UNIV OF SCI & TECH

An oil-free self-lubricating slider for a forklift base for aerial work and a modification method thereof

The present invention discloses an oil-free self-lubricating slider for a base of an aerial work forklift and a modification method thereof. The slider comprises a self-lubricating slider body, a lubricating component, a heat dissipation fin and a heavy-load bearing component. The top end surface of the self-lubricating slider body is fixedly mounted with the heavy-load bearing component, the bottom end surfaces of the self-lubricating slider body are fixedly mounted with lubricating components on both sides, and heat dissipation fins are arranged on both sides of the self-lubricating slider body. The slider of the present invention has a simple structure and rich functions. The slider can have a good anti-collision effect, and can effectively improve the load-bearing effect of the slider compared with the traditional slider, and has a good anti-pressure effect on the slider, so as to avoid affecting the normal operation of the slider when the load is too large. At the same time, the slider can have good self-lubricating and heat dissipation effects, which can not only improve the heat dissipation rate of the slider, but also reduce the evaporation loss of the lubricant, thereby extending the service life of the slider.
Owner:ZHENJIANG WEIMIN NEW MATERIAL PROD CO LTD

Suspension system and vehicle

ActiveCN222591220Uavoid encroachmentReduce deformationVehicle frameEnergy absorption
The utility model provides a suspension system and a vehicle, the suspension system comprises a front suspension unit, a rear suspension unit and a suspension support; the front suspension unit comprises two front suspensions which are oppositely arranged on vehicle body longitudinal beams on the two sides, and the rear suspension unit comprises two rear suspensions which are oppositely arranged on the left side and the right side of the auxiliary frame; the two suspension supports are oppositely arranged left and right, the front end and the rear end of the suspension support on each side are connected with the front suspension and the rear suspension on the corresponding side respectively, and installation parts connected with a power assembly are arranged on the suspension supports. According to the suspension system, the front suspension and the rear suspension are both located on the left side and the right side of the power assembly, so that the situation that energy absorption space is occupied when the suspensions are arranged right in front of and right behind the power assembly can be avoided, and the deformation amount of a front wall plate and the deformation degree of a passenger compartment during offset collision can be reduced; and the collision performance of the whole vehicle is improved.
Owner:GREAT WALL MOTOR CO LTD