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30results about How to "Improved rollover performance" patented technology
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Rollover resistant control method of forklift
ActiveCN107571706APrevent rolloverImproved rollover performanceResilient suspensionsActive safetyRollover
The invention discloses a rollover resistant control method of a forklift. The rollover resistant control method comprises the steps that the forklift is subjected to altitude grading by calculating the transverse load transfer ratio of the forklift and according to the safety degree, when the forklift is in a stable state, free control is conducted; when the forklift is in a first level rolloverstate, first level rollover resistant control is conducted; and when the forklift is in a second level rollover state, second level rollover resistant control is conducted so as to improve the rollover resistant capacity of the forklift. The rollover resistant control method of the forklift can conduct stable control over the forklift, so that the forklift is prevented from rollovering in the carrying and working process, and accordingly the transverse stability and the active safety of the forklift are improved.
Owner:HEFEI UNIV OF TECH
Foldable three-wheel electric vehicle
The invention provides a foldable three-wheel electric vehicle which is more scientific and reasonable in structure and more convenient and comfortable to use. A frame and a handlebar, which are designed based on the four-link mechanism principle, can be folded and unfolded, so that the three-wheel electric vehicle is suitable for different using occasions and users. The layout mode of two front wheels and one rear wheel effectively improve the side overturning preventing capability in turning of the three-wheel electric vehicle. The foldable three-wheel electric vehicle is convenient to fold and unfold, thereby having great practicability and great potential generalization performance.
Owner:SHANGHAI DIANJI UNIV
Anti-rollover device for crawler crane and rollover early warning method
ActiveCN113233352AWith automatic anti-rollover functionImproved rollover performanceCranesSafety gearRolloverControl engineering
The invention relates to the technical field of anti-rollover of crawler cranes, in particular to an anti-rollover device for a crawler crane and a rollover early warning method. The anti-rollover device for the crawler crane comprises a crawler belt, a rotating disc, a bearing table, a main machine, a cab, a lifting wall, a hook rope, a lifting hook and a variable amplitude steel wire, and further comprises a weight box, a piston plate, a connecting rod and a telescopic oil cylinder. According to the rollover early warning method for the crawler crane, a central control unit can control the telescopic oil cylinder and an air pump to perform corresponding actions according to an alarm of a corresponding degree, so that the crawler crane has an automatic rollover prevention function, the adjustment is continuous and in real time, the gravity center change condition of the crawler crane can be visually displayed through a display screen, so that the operation stability of operators is improved, and the rollover prevention performance of the crawler crane is improved.
Owner:江西千平机械有限公司
Shock-absorbent and boosting sole
The invention relates to a shock-absorbent and boosting sole. The shock-absorbent and boosting sole comprises a shock-absorbent body assembled on the sole, wherein the shock-absorbent body comprises multiple unit bodies; each unit body is a C-shaped elastic piece; the shock-absorbent body comprises a heel part and a sole part, openings of the unit bodies constituting the sole part are in the obliquely backward direction, and openings of the unit bodies constituting the heel part are in the obliquely forward direction; top surfaces of two ends of each unit body are bonded to an insole respectively. Due to the structure manner of the C-shaped opening of each unit body of the sole, the unit body has good deformability, treading pressure applied to the sole can be decomposed and unloaded, and the shock-absorbent body has the good shock-absorbent effect. The unit bodies of the sole part of the shock-absorbent body can have a good rebounding boosting effect on a foot, and the unit bodies of the heel part of the shock-absorbent body can have a good shock-absorbent effect, so that the sole has good shock-absorbent and rebounding boosting functions.
Owner:GUIRENNIAO CO LTD
Anti-rollover metal vibration damping support
PendingCN110747730APrevent rolloverImprove the safety of useBridge structural detailsSingle supportClassical mechanics
The invention discloses an anti-rollover metal vibration damping support, and belongs to the technical field of viaducts. The anti-rollover metal vibration damping support comprises a guide sliding seat body composed of a transverse limiting part, a locking limiting part and a bearing part, a longitudinal sliding group composed of a longitudinal sliding lower plate, an annular oblique folding spring and a longitudinal sliding upper block or a longitudinal sliding group composed of a longitudinal sliding lower plate, a disk spring and a longitudinal sliding upper block, and a guide sliding groove on the guide sliding seat body; the sliding guide group is locked and limited not to move up and down by the locking limiting part in the guide sliding seat body, the sliding guide group is limitednot to slide to two sides by the transverse limiting part in the guide sliding seat body, so that the two sides of the beam body of the viaduct which locks the supporting beam body of a single pier single support do not swing up and down, the beam body of the viaduct which locks the supporting beam body of the single pier single support does not roll over to any side, the function preventing theviaduct of supporting beam body of the single pier single support from rolling over is integrated with the function of adapting to the change of thermal expansion and cold contraction of the viaduct,and the use safety and the use stability of the viaduct are improved.
Owner:唐缝梁
Anti-rollover locking metal support
PendingCN110747731APrevent rolloverImprove the safety of useBridge structural detailsSingle supportSlide plate
The invention relates to an anti-rollover locking metal support, and belongs to the technical field of overpasses. An elastic sliding plate or a longitudinal guide sliding block and a wave-like curvedelastic plate are arranged in a guide sliding groove of a guide sliding seat body, and the top of an arc-shaped plate of the elastic sliding plate or the upper end of the longitudinal guide sliding block is higher than the upper end of the guide sliding seat body. The guide sliding parts of the elastic sliding plate or a sliding guide block of the longitudinal guide sliding block are positioned between the lower surface of the locking limiting part of the guide sliding groove and the bearing part of the guide sliding groove and between two transverse limiting parts of the guide sliding groove. The guide sliding parts on the two sides of the elastic sliding plate or the two sides of the longitudinal guide sliding block are locked and limited not to move up and down through the locking limiting part in the guide sliding seat body, then the elastic sliding plate or the longitudinal guide sliding block is limited not to slide to two sides through the transverse limiting parts in the guidesliding seat body, therefore the two sides of a beam body of the overpass with a single pier and a single support supporting the beam body can be locked without swinging up and down, and further thebeam body of the overpass with the single pier and the single support supporting the beam body is locked not to roll over to any side.
Owner:陈洋哲
Anti-rollover structure of small ship and using method of anti-rollover structure
The invention discloses an anti-rollover structure of a small ship and a using method of the anti-rollover structure. The anti-rollover structure comprises a ship body; two air cylinders are mounted on each of the left side and the right side of the ship body, each of the four air cylinders is composed of a cylinder body, a pull rod and a first gas nozzle, and an impact plate is fixedly mounted on each pull rod; four gas distribution pipes and eight gas distribution branch pipes are fixedly mounted in the ship body, the gas distribution pipes are communicated with the two corresponding gas distribution branch pipes, and the first gas nozzles are communicated with the corresponding gas distribution pipes correspondingly; and four placing seats are fixedly mounted on the left side and the right side of the ship body correspondingly, and each placing seat is of a hollow structure with the two ends communicating. The anti-rollover structure has the advantages that the safety of a small fishing boat is improved when the small fishing boat meets large sea waves during sea going, the anti-rollover capacity of the small fishing boat is improved, folded gas bags are inflated through impact force of the sea waves on the impact plate, the folded gas bags are smoothly unfolded and float on the sea surface, and meanwhile, direct impact of the sea waves on the boat body is reduced through the impact plate, and overall stability is improved.
Owner:韩俊荣
Motorcycle front shock absorber
The invention discloses a motorcycle front shock absorber, comprising a left front fork, a right front fork, a left shock absorber component and a right shock absorber component. The left front fork and the right front fork are connected by an upper connection rod and a lower connection rod penetrating through the left front fork and the right front fork, an upper rocker arm component and a lower rocker arm component are arranged at the two ends of the upper connection rod and the two ends of the lower connection rod, the other end of the upper rocker arm component and the other end of the lower rocker arm component are connected by a connection plate component, the upper ends of the left shock absorber component and the right shock absorber component are connected with the upper part of the connection plate component, and the lower ends of the left shock absorber component and the right shock absorber component are connected with the middle part of the connection plate component. The motorcycle front shock absorber has the advantages of ingenious structural design, low cost and convenient installation. By adopting the motorcycle front shock absorber, the shock absorbing performance is improved, and the service life is also prolonged. The rollover prevention ability is also improved, and a motorcycle can run more stably.
Owner:重庆利城减震器有限责任公司
Rear double-wheel supporting electric vehicle good in applicability
The invention discloses a rear double-wheel supporting electric vehicle good in applicability. The rear double-wheel supporting electric vehicle includes a vehicle frame, a front base plate, an armrest support, a seat support and front wheels. The front base plate is connected with the front end of the vehicle frame, the armrest support is disposed at the front end of the front base plate and extends towards the upper front, the front wheels are disposed at the bottom of the armrest support, the seat support is vertically disposed on the vehicle frame, transverse supports extending horizontally towards the rear side of the vehicle frame are arranged on the two sides of the rear end of the vehicle frame respectively, rear wheels are arranged at the tail ends of the transverse supports respectively, a storage battery box located at the rear end of the vehicle frame is arranged between the transverse supports, and electric push rods connected with the transverse supports respectively aredisposed on the two sides of the storage battery box respectively. According to the rear double-wheel supporting electric vehicle good in applicability, the transverse supports of the rear wheels canbe subjected to angle adjustment according to users' requirements or requirements on the use site, so that the breadth of two rear supporting wheels is changed, the electric vehicle has high anti-rollover capacity and adapts to a variety of road surfaces and road conditions, and the applicability and stability of the electric vehicle are improved.
Owner:SUZHOU NUOLE INTELLIGENT TECH CO LTD
Intelligent anti-rollover crane
PendingCN114394532AImprove job stabilityImproved rollover performanceBase supporting structuresBraking devices for hoisting equipmentsMarine engineeringMechanical engineering
The invention relates to the technical field of cranes, and discloses an intelligent anti-rollover crane, which solves the problem of rollover of the crane caused by lower stability during working, and comprises a vehicle body and a crane body, moving wheels are arranged at the bottom end of the vehicle body, and the crane body is located at the top end of the vehicle body. A supporting column connected with a crane body is arranged at the top end of the vehicle body, a supporting box connected with the crane body is arranged in the middle of the top end of the vehicle body, connecting bases are symmetrically arranged on the two sides of the supporting box, first electric telescopic rods are arranged at the bottom ends of the connecting bases, supporting elements are arranged at the bottom ends of the first electric telescopic rods, and an expansion plate is arranged on one side of the vehicle body. According to the anti-rollover crane, through the trolley body, the moving wheels, the crane body, the supporting columns, the supporting boxes, the first electric telescopic rods, the supporting elements and the distance adjusting mechanisms, the distance between the supporting elements is effectively adjusted, then the distance between the trolley body and the supporting elements is increased, and then the anti-rollover performance of the crane is improved.
Owner:NANTONG RAINBOW ELECTRICAL
Concrete mixer frame
InactiveCN110282018AHigh strengthIncrease loading capacityUnderstructuresVehicle frameGravity center
The invention provides a concrete mixer frame. The concrete mixer frame comprises two chassis longitudinal beams spaced in parallel. The two chassis longitudinal beams are fixedly connected through multiple cross beams, and each chassis longitudinal beam is overall formed, and comprises a first beam section, a second beam section, a third beam section and a tail beam section which are sequentially arranged from front to back. A front supporting seat is mounted on the tops of the first beam sections of the two chassis longitudinal beams, a rear supporting seat is mounted on the tops of the third beam sections of the two chassis longitudinal beams, and reinforcing rib plates are arranged on the outer side faces of the second beam sections of the two chassis longitudinal beams separately. Each chassis longitudinal beams is of a structure in which a multi-section type and overall forming are combined, thus, the defect that the gravity center is high in the prior art is overcome, the overall height of a mixer can be reduced, potential safety hazards generated in the driving process of the mixer are eliminated, the overall mechanical strength of the frame can be improved, the overall structure is scientific, reasonable, simple and compact, and mounting and using are convenient; and the concrete mixer frame is widely suitable for being matched with the mixer.
Owner:HUNAN CITY UNIV
A motorcycle front shock absorber
Owner:重庆利城减震器有限责任公司
Shock-absorbing booster sole
The invention relates to a shock-absorbent and boosting sole. The shock-absorbent and boosting sole comprises a shock-absorbent body assembled on the sole, wherein the shock-absorbent body comprises multiple unit bodies; each unit body is a C-shaped elastic piece; the shock-absorbent body comprises a heel part and a sole part, openings of the unit bodies constituting the sole part are in the obliquely backward direction, and openings of the unit bodies constituting the heel part are in the obliquely forward direction; top surfaces of two ends of each unit body are bonded to an insole respectively. Due to the structure manner of the C-shaped opening of each unit body of the sole, the unit body has good deformability, treading pressure applied to the sole can be decomposed and unloaded, and the shock-absorbent body has the good shock-absorbent effect. The unit bodies of the sole part of the shock-absorbent body can have a good rebounding boosting effect on a foot, and the unit bodies of the heel part of the shock-absorbent body can have a good shock-absorbent effect, so that the sole has good shock-absorbent and rebounding boosting functions.
Owner:GUIRENNIAO CO LTD
Rebound booster for shoe soles
InactiveCN105394878BGood deformabilityImprove cushioningSolesEngineeringElectrical and Electronics engineering
The invention relates to a rebound power assisting device for a shoe sole. The rebound power assisting device comprises power assisting bodies assembled in the shoe sole, the power assisting bodies are constituted by a plurality of unit bodies, the multiple unit bodies are sequentially connected to be arranged in a U shape, each unit body is an elastic part which is in an arc shape and bent into a C shape, and the top faces of the two ends of each unit body are connected with the shoe sole; the power assisting bodies are constituted by heel portions and sole portions, the unit bodies constituting the heel portions of the power assisting bodies are distributed in left-right mirror symmetry, and the same ends of the unit bodies at the left side and the unit bodies at the right side are integrally connected through connection straps. By means of the structural mode of the unit bodies and the power assisting bodies, the rebound power assisting device can have good deformation ability, improvement of the shock alleviating effect of the shoe sole is facilitated, and antiskid and anti-side-turning capability of the shoe sole in the left-right side direction can also be improved; the two ends of each unit body can generate inclined forward rebound force to the shoe sole, the rebound rate of the force reaches 35-52%, and forward thrust assisting power is provided for an athlete.
Owner:GUIRENNIAO CO LTD
Shock-alleviating rebounding splashproof shoe sole
Owner:GUIRENNIAO CO LTD
Rebound booster for the heel of the sole
The invention relates to a rebound assisting device for a sole heel. The rebound assisting device comprises an assisting body assembled on the sole heel. The assisting body is formed by a plurality of unit bodies which are C-shaped elastic pieces bent in an arc mode, openings of the unit bodies face backwards, and the top faces of the two ends of each unit body are connected with a sole. The unit bodies are connected in sequence to be distributed in a U shape, the two adjacent ends of every two adjacent unit bodies are bonded in an overlapped mode or integrally connected. By means of the structure mode of the unit bodies, the rebound assisting device has good deformation capability; by means of the structure of U-shaped distribution and integral connection through the connecting pieces, the damping effect of the sole heel and the protection effect on the heel can be easily improved, and the left and right lateral anti-skidding and side-overturning-preventing capability of the sole heel can also be improved; in addition, the two ends of the unit bodies can generate obliquely-forward rebound force on the sole, the rebound rate of strength reaches 35% to 52%, and forward push assistance is provided for athletes.
Owner:GUIRENNIAO CO LTD
Anti-rollover structure of a ship
ActiveCN110371266BPlay a blocking roleHas a blocking effectVessel safetyStructural engineeringFloating platform
The invention discloses an anti-rollover structure of a ship, which includes a hull, a strip-shaped fixing seat is fixedly installed on the left and right sides of the hull, and a plurality of rotatable rotating shafts are installed on the two strip-shaped fixing seats. Each of the rotating shafts is fixed with a fan 1 through a mounting block 1, and a plurality of fans 2 are installed on the rotating shaft through a plurality of mounting brackets 1, and each of the rotating shafts is far away from the bar-shaped fixing seat. One end of each is fixedly installed with a support block, and each of the support blocks is provided with an installation groove 2, and the end face shape of the installation groove 2 is T-shaped, and a T-shaped block 1 is placed on each of the installation grooves 2, A support rod is installed at the lower end of each T-shaped block one. The advantage is that: through the cooperation of the first fan, the second fan and the floating platform, the strong wind blowing to the side of the ship and the rough waves can be slowed down to a certain extent, and the impact on the ship can be reduced, thereby improving the anti-rollover capability of the ship.
Owner:BINZHOU POLYTECHNIC
Shock-absorbing non-slip sole
The invention relates to a shock-absorbent and anti-skid sole. The shock-absorbent and anti-skid sole comprises a shock-absorbent body assembled on the sole, wherein the shock-absorbent body comprises multiple unit bodies; each unit body is a C-shaped elastic piece, an opening of the unit body is in an obliquely forward direction, top surfaces of two ends of the unit body are bonded to an insole respectively, the unit body is bent to form a slot, and the slot extends in the width direction of the sole. Due to the structure manner of the C-shaped opening of each unit body of the sole, the unit body has good deformability, treading pressure applied to the sole can be decomposed and unloaded, and the shock-absorbent body has the good shock-absorbent effect. During treading, two ends of each unit body are bent obliquely downwards and produce an obliquely backward counter-acting force for the sole, the impact force between an athlete and the ground is further effectively absorbed, and the shock absorption rate of strength is up to 43%-80%.
Owner:GUIRENNIAO CO LTD
A rollover prevention device and rollover warning method for crawler crane
ActiveCN113233352BWith automatic anti-rollover functionImproved rollover performanceCranesSafety gearRolloverAir pump
The invention relates to the technical field of rollover prevention of crawler cranes, in particular to a rollover prevention device and a rollover warning method for crawler cranes. An anti-rollover device for crawler cranes, including crawler belts, rotating discs, load-bearing platforms, main engines, cabs, booms, hook ropes, hooks, luffing wires, as well as counterweight boxes, piston plates, connections Rod and telescopic cylinder. A rollover warning method for a crawler crane, wherein a central control unit can control the telescopic oil cylinder and the air pump to make corresponding actions according to a corresponding degree of alarm, so that the crawler crane has the function of automatic rollover prevention , and such adjustment is real-time and continuous, and the change of the center of gravity of the crawler crane can be visually displayed through the display screen, which improves the operation stability of the operator and improves the anti-rollover performance of the crawler crane.
Owner:江西千平机械有限公司
Model predictive control method for vehicle rollover and active tilting
ActiveCN111391595BAccurately evaluate transient characteristicsEvaluate transient characteristicsPedestrian/occupant safety arrangementDesign optimisation/simulationSimulationEmergency encounter
The invention discloses a vehicle anti-rollover active tilting model predictive control method, including establishing a 3-degree-of-freedom vehicle steering-rolling dynamics model, establishing a lateral load transfer rate expression that can fully express the rollover transient characteristics, and establishing Desired roll angle for active roll control and design of a model predictive controller; which gives an expression for the lateral load transfer rate including the roll acceleration, thus enabling a more accurate assessment of the transient behavior of the vehicle in emergency situations, using model predictive control (MPC) technology establishes the active tilt controller of the vehicle. The active tilt MPC controller enables the vehicle to track the desired tilt angle, while tracking the desired yaw rate and the desired center of mass roll angle, which can improve the anti-rollover ability of the vehicle while maintaining Good handling stability.
Owner:NANJING FORESTRY UNIV
Integrated vehicle anti-rollover active control method based on collaborative distributed optimization
ActiveCN114357631AGuaranteed stabilityCoordinated Control SignalsGeometric CADInternal combustion piston enginesRolloverControl signal
The invention provides an integrated vehicle rollover prevention active control system based on collaborative distributed optimization, and the method comprises the steps: collecting vehicle information, and carrying out the online estimation and prediction of rollover indexes through a state observer; according to the method, the rollover indexes of the active braking controller, the active steering controller and the active suspension controller are calculated, then the weights of the active braking controller, the active steering controller and the active suspension controller in a cooperative distribution optimization problem are adjusted according to the rollover indexes, and finally a final control signal is obtained through a method for solving the optimization problem, so that the lateral movement stability of the vehicle is improved, and the rollover prevention performance of the vehicle is guaranteed. The collaborative distributed optimization design method is introduced into vehicle rollover prevention control, the lateral control requirements of different driving scenes are intelligently met, different lateral controllers are coordinated, and the driving safety of the vehicle is improved. According to the method, the cooperative control problem of the vehicle under different working conditions can be effectively solved, and the control effect of anti-rollover performance is improved.
Owner:BEIHANG UNIV
Rebound anti-side-slipping device for heel portion of shoe sole
The invention relates to a rebound anti-side-slipping device for the heel portion of a shoe sole. The rebound anti-side-slipping device comprises a power assisting body assembled on the heel portion of the shoe sole, the power assisting body is constituted by a plurality of unit bodies, each unit body is an elastic part which is in an arc shape and bent into a C shape, and the top faces of the two ends of each unit body are connected with the shoe sole; the multiple unit bodies are sequentially connected into a U shape and distributed in left-right mirror symmetry, the same ends of the unit bodies at the left side and the unit bodies at the right side are integrally connected through connection straps, and V-shaped dents are formed in the middle of the bottom face of each connection strap. By means of the structural mode of the unit bodies and the power assisting bodies, the rebound anti-side-slipping device can have good deformation ability, it is helpful to improve the shock alleviating effect of the heel portion of the shoe sole and the protection effect for the foot heel, and antiskid and anti-side-turning capability of the shoe sole in the left-right side direction can also be improved; the two ends of each unit body can generate inclined forward rebound force to the shoe sole, the rebound rate of the force reaches 35-52%, and forward thrust assisting power is provided for an athlete.
Owner:GUIRENNIAO CO LTD
An intelligent vehicle driving system based on active safety
ActiveCN113060088BHigh level of integrationReduce occupancyPedestrian/occupant safety arrangementRolloverActive safety
The invention discloses an active safety-based intelligent vehicle driving system, which includes an anti-rollover actuator, a control module, a gas generating module and a sensor unit. The anti-rollover actuator is symmetrically installed on both sides of the vehicle frame, and includes a mechanism housing Body, injection mechanism for injecting supports, rotary drive mechanism, air port switch mechanism, center of gravity transfer mechanism and translation transmission mechanism, the mechanism housing is fixedly installed on the vehicle frame and its end close to the outside of the vehicle body is a semicircle structure, so The rotary drive mechanism includes a fixed shell and a rotatable container rotatably connected in the fixed shell, the gas generating module is arranged in the rotatable container, and the two ends of the rotatable container are symmetrically equipped with electrically controlled outlets. valve. The present invention achieves a better anti-rollover effect than the prior art through continuous execution of multiple anti-rollover actions. At the same time, the actual lateral extension length of the injected support is small, reducing the probability of secondary damage and preventing rollover. The effect is also better.
Owner:ANHUI POLYTECHNIC UNIV
Anti-rollover control method for forklift
ActiveCN107571706BPrevent rolloverImproved rollover performanceResilient suspensionsRolloverActive safety
The invention discloses a rollover resistant control method of a forklift. The rollover resistant control method comprises the steps that the forklift is subjected to altitude grading by calculating the transverse load transfer ratio of the forklift and according to the safety degree, when the forklift is in a stable state, free control is conducted; when the forklift is in a first level rolloverstate, first level rollover resistant control is conducted; and when the forklift is in a second level rollover state, second level rollover resistant control is conducted so as to improve the rollover resistant capacity of the forklift. The rollover resistant control method of the forklift can conduct stable control over the forklift, so that the forklift is prevented from rollovering in the carrying and working process, and accordingly the transverse stability and the active safety of the forklift are improved.
Owner:HEFEI UNIV OF TECH
Municipal guardrail
PendingCN114541303ASolve \"bulky\"Solving Mobility IssuesRoadway safety arrangementsArchitectural engineeringHandrail
The municipal guardrail comprises a base, stand columns and a handrail, and the handrail is connected with the base through the stand columns; at least three transmission mechanisms are arranged in an inner cavity of the base, and a universal wheel is arranged at the lower end of each transmission mechanism. All the transmission mechanisms are the same in structure, and each transmission mechanism comprises a first lever, a second lever, a middle rod, a third lever and a friction plate; the first lever, the second lever and the middle rod are sequentially hinged end to end, and the middle of the first lever and the middle of the second lever are rotationally connected into the corresponding inner cavities. The lower end of the first lever is rotationally connected with a universal wheel, and the universal wheel is located at the notch in the lower end of the base. The maneuverability of the guardrail is provided, the guardrail can be converted into a movable guardrail or a fixed guardrail according to requirements, the conversion process is convenient and rapid, and the movable guardrail is particularly suitable for the route conversion requirements of municipal roads.
Owner:成都长城金山绿化工程有限公司
folding electric tricycle
The invention provides a foldable three-wheel electric vehicle which is more scientific and reasonable in structure and more convenient and comfortable to use. A frame and a handlebar, which are designed based on the four-link mechanism principle, can be folded and unfolded, so that the three-wheel electric vehicle is suitable for different using occasions and users. The layout mode of two front wheels and one rear wheel effectively improve the side overturning preventing capability in turning of the three-wheel electric vehicle. The foldable three-wheel electric vehicle is convenient to fold and unfold, thereby having great practicability and great potential generalization performance.
Owner:SHANGHAI DIANJI UNIV
Front frame component for foldable double-seat four-wheel electric vehicle
InactiveCN102499830AReduce length dimensionImproved rollover performanceWheelchairs/patient conveyanceVehicle frameEngineering
The invention relates to a front frame component for a foldable double-seat four-wheel electric vehicle. The front frame component comprises a steering handrail, a rotary handle fixed sleeve, a front wheel frame, a pedal hanging rod, a synchronous connecting rod, an intermediate poke rod, a lateral poke rod, a front wheel bearing support, a front wheel rotating shaft sleeve and a front wheel, wherein an upper lug base and a lower lug base are arranged on the rotary handle fixed sleeve; a vertical rod of the steering handrail is sleeved in the rotary handle fixed sleeve; the lower end of the vertical rod is fixedly connected with the poke rods; the poke rods are fixed on the front wheel bearing support; the other end of each of three poke rods is hinged with the synchronous connecting rod; the pedal hanging rod is fixed on the front wheel frame; a rotating shaft is arranged above the front wheel bearing support and is sleeved in the front wheel rotating shaft sleeve; and the front wheel rotating shaft sleeve is fixed on the front wheel frame. The front frame component is a front frame of the electric vehicle, is a connection foundation of a rear connecting frame, an expansion rod and a pedal and is a key component for the foldable double-seat four-wheel electric vehicle, can meet the requirements that the four-wheel electric vehicle enters an elevator and is folded for collection, and is particularly suitable to be used by old couples and disabled people.
Owner:戴长新
Rebound anti-skid device for the heel of the sole
The invention relates to a rebound anti-side-slipping device for the heel portion of a shoe sole. The rebound anti-side-slipping device comprises a power assisting body assembled on the heel portion of the shoe sole, the power assisting body is constituted by a plurality of unit bodies, each unit body is an elastic part which is in an arc shape and bent into a C shape, and the top faces of the two ends of each unit body are connected with the shoe sole; the multiple unit bodies are sequentially connected into a U shape and distributed in left-right mirror symmetry, the same ends of the unit bodies at the left side and the unit bodies at the right side are integrally connected through connection straps, and V-shaped dents are formed in the middle of the bottom face of each connection strap. By means of the structural mode of the unit bodies and the power assisting bodies, the rebound anti-side-slipping device can have good deformation ability, it is helpful to improve the shock alleviating effect of the heel portion of the shoe sole and the protection effect for the foot heel, and antiskid and anti-side-turning capability of the shoe sole in the left-right side direction can also be improved; the two ends of each unit body can generate inclined forward rebound force to the shoe sole, the rebound rate of the force reaches 35-52%, and forward thrust assisting power is provided for an athlete.
Owner:GUIRENNIAO CO LTD
Rebound power assisting device for shoe sole
The invention relates to a rebound power assisting device for a shoe sole. The rebound power assisting device comprises power assisting bodies assembled in the shoe sole, the power assisting bodies are constituted by a plurality of unit bodies, the multiple unit bodies are sequentially connected to be arranged in a U shape, each unit body is an elastic part which is in an arc shape and bent into a C shape, and the top faces of the two ends of each unit body are connected with the shoe sole; the power assisting bodies are constituted by heel portions and sole portions, the unit bodies constituting the heel portions of the power assisting bodies are distributed in left-right mirror symmetry, and the same ends of the unit bodies at the left side and the unit bodies at the right side are integrally connected through connection straps. By means of the structural mode of the unit bodies and the power assisting bodies, the rebound power assisting device can have good deformation ability, improvement of the shock alleviating effect of the shoe sole is facilitated, and antiskid and anti-side-turning capability of the shoe sole in the left-right side direction can also be improved; the two ends of each unit body can generate inclined forward rebound force to the shoe sole, the rebound rate of the force reaches 35-52%, and forward thrust assisting power is provided for an athlete.
Owner:GUIRENNIAO CO LTD
Integrated vehicle rollover prevention active control method based on collaborative distributed optimization
ActiveCN114357631BGuaranteed stabilityCoordinated Control SignalsGeometric CADInternal combustion piston enginesRolloverControl signal
The invention proposes an integrated vehicle rollover prevention active control system based on collaborative distributed optimization. The method collects vehicle information, estimates and predicts the rollover index online through a state observer, and then rolls over based on this method. index to adjust the weights of the active braking controller, active steering controller, and active suspension controller in the cooperative distributed optimization problem, and finally obtain the final control signal by solving the optimization problem to improve the lateral direction of the vehicle. The movement stability ensures the anti-rollover performance of the vehicle. The invention introduces a collaborative distributed optimization design method in the vehicle rollover prevention control, intelligently responds to the lateral control requirements of different driving scenarios, and cooperates with different lateral controllers to improve the driving safety of the vehicle. The invention can effectively improve the cooperative control problem of the vehicle in response to different working conditions, and improve the control effect of the anti-rollover performance.
Owner:BEIHANG UNIV
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