30results about How to "Improved rollover performance" patented technology

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.

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.

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.

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.

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.

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.

The invention relates to a shock-alleviating rebounding splashproof shoe sole. The shoe sole comprises a middle sole body and shock-alleviating bodies assembled in the middle sole body, the shock-alleviating 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 an opening of each unit body faces backward; bosses are arranged on the sole portion of the bottom face of the middle sole body, the shock-alleviating bodies are distributed at the outer sides of the bosses in a surrounding mode and fixedly arranged at the edge of the bottom face of the middle sole body in a bonded mode, and drainage grooves are formed between the shock-alleviating bodies and the bosses. By means of the structural mode of the unit bodies and the shock-alleviating bodies, the shoe sole can have a good shock alleviating effect, and antiskid and anti-side-turning capability of the shoe sole in the left-right side direction can also be improved; by means of drainage channels formed by the drainage grooves and groove holes, water on the bottom face of the shoe sole can be drained out quickly, and splashproof capability and road holding capability of the shoe sole are also 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.

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.

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.

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.

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.