386results about "High resiliency wheels" patented technology

An airless tire to optimise the mass and stiffness of the shear strip thereof. The tire has a radially inner membrane (41), a shear structure made up of a plurality of shear elements (5), and a radially outer membrane (42) positioned at a mean radial distance H from the radially inner membrane (41). Any shear element (5) of the plurality of shear elements has a main portion (50) having in any circumferential plane (XZ) a non-radial generatrix (G) having a radially inner end (I1) positioned at a distance d1 from the radially inner membrane (41) and a radially outer end (I2) positioned at a distance d2 from the radially outer membrane (42) and the generatrix (G) of the main portion (50) of the shear element (5) has a curvilinear length L at least equal to 1.25*(H−(d1+d2).

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle and an outer rim surrounding the inner rim. The wheel assembly may also include gas springs operatively coupled between the inner rim and the outer rim to provide a gas suspension for relative movement between the inner rim and the outer rim. Each of the gas springs may have a controllable gas pressure. The wheel assembly also includes a wheel rotational position sensor, a vehicle operator control input interface, and a controller configured to control the gas pressure in each of the gas springs in a pattern in response to the wheel rotational position sensor and vehicle operator control input interface to assist in one of overcoming a rolling resistance of the wheel and a braking of the wheel.

A grid framework structure includes a first set of parallel rails or tracks and a second set of parallel rails or tracks extending substantially perpendicularly to the first set of rails or tracks in a substantially horizontal plane to form a grid pattern. The grid is supported by a set of uprights to form a plurality of vertical storage locations beneath the grid for containers to be stacked between and be guided by the uprights in a vertical direction. A load handling device includes a body mounted on a first set of wheels and a second set of wheels arranged to engage with the tracks. A gripper assembly is provided for latching to a storage container via a deformable flexure mechanism movable between a locked configuration and a release configuration.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim. A rigid cover ring may be coupled to the outer rim and extend radially inward toward the inner rim. Gas springs may be operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. Fastener assemblies fasten the rigid cover ring to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim, and gas springs operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. The wheel assembly may also include tread assemblies carried by the outer rim. Fastener assemblies may be configured to perform fastening at least one tread assembly to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener, and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap therebetween.

The invention discloses an active and passive combined variable stiffness bionic non-pneumatic tire and an active variable stiffness control method thereof. The variable stiffness bionic non-pneumatic tire comprises a hub, an adjusting module, M buffer spokes, a rim and a tread, the buffering spoke can provide good passive variable stiffness characteristics based on load change; the adjusting module can actively control displacement of the sliding rods in the bionic spokes in the radial direction of the tire so as to actively change the vertical rigidity of the tire. According to the invention, the damping and bearing capacity is good, and the maneuverability and damping capacity of the tire can be further optimized by actively controlling the rigidity change.

The invention relates to a self-adaptive adjustment intelligent wheel system and a control method thereof, and relates to the technical field of wheels. The magneto-rheological shock absorbers are arranged in the wheels and used for adjusting the overall rigidity damping of the wheels; the signal acquisition assembly comprises acceleration sensors, and each wheel is provided with one acceleration sensor; and the controller is in signal connection with the signal acquisition assembly and the magneto-rheological damper, and changes the magnetic field in the magneto-rheological damper in real time based on signals acquired by the signal acquisition assembly. The influence of the vehicle damping structure on the road surface information acquisition precision is reduced, and the comfort of people in the vehicle in the vehicle driving process can be effectively improved. The acceleration sensors are in one-to-one correspondence with the wheels so that the rigidity damping of the wheels can be adjusted in a targeted mode according to the road condition of each wheel.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle and an outer rim surrounding the hub. The wheel assembly may also include gas springs with associated integral hydraulic dampers coupled between the inner and outer rims to provide a suspension for relative movement between the inner and outer rims. Each gas spring and associated integral hydraulic damper may include a first cylinder body and a second cylinder body slidable therein, and a first seal defining first and second gas chambers within the first cylinder body. Each gas spring and associated integral hydraulic damper may also include a shaft extending within the first cylinder body and into the second cylinder body defining a hydraulic fluid chamber, and an enlarged orifice body coupled to the shaft defining a hydraulic damper with the second cylinder body.

The present invention discloses a non-inflatable tire, which comprises a tread, an inner ring and multiple groups of bumps. The multiple groups of bumps are radially distributed between the tread and the inner ring, and each group of bumps is hollow inside. Adjacent groups of bumps are integrally connected to form an annular cavity; a concave portion is formed at the connection position between adjacent groups of bumps, and the concave portion forms a tightened inner eaves corresponding to the inner wall of the annular cavity. The top contour of the inner wall of each group of bumps correspondingly forms an extended outer eaves of the annular cavity, and the bump wall of each group of bumps forms an arc-shaped extension surface integrally connected between the tightened inner eaves and the extended outer eaves; a tire wall connected between the tread and the inner ring is formed between the tightened inner eaves of the annular cavity and the top of the outer wall of the bump. Therefore, by arranging multiple groups of bumps between the tread and the inner ring, the width of the tire wall is increased, and multiple elastic load-bearing units that are closely connected to each other and support each other strongly are formed, thereby improving the overall load-bearing capacity, impact resistance and driving comfort of the tire.

A non-pneumatic and method of making a non-pneumatic tire. The non-pneumatic tire includes a lower ring having a first diameter and an upper ring having a second diameter greater than the first diameter. The upper ring is substantially coaxial with the lower ring. A support structure extends between the lower ring and the upper ring. The support structure includes a first face and a second face opposite the first face, a first axial edge and a second axial edge. The first and second axial edges space the first face from the second face. At least one of the first edge and the second edge may have a geometry that provides the support structure with a nonrectangular cross section. At least one of the first face and the second face may have a surface roughness of less than 25 microns. The support structure may be free from orthogonal axial edges.

A non-pneumatic tire includes an annular inner ring, an annular outer ring, and a support structure extending from the annular inner ring to the annular outer ring. The support structure includes a plurality of spokes, webbing, cells, or other open-sided support structure. The tire includes a bump stop. The bump stop includes an inner member radially extending from a radially outer surface of the annular inner ring. The inner member has a radially outer surface facing a radially inner surface of the annular outer ring. The bump stop includes an outer member radially extending from a radially inner surface of the annular outer ring. The outer member has a radially inner surface facing a radially outer surface of the annular inner ring.

A deformable wheel with non-pneumatic load bearing intended to equip a vehicle for rolling under extreme conditions such as those encountered on the moon and on Mars, includes a hub, a laminated annular strip including a plurality of concentric ferrules which are assembled with the interposition of interposing layers each composed of a material whose Young's modulus is 600,000 to 1,000 times lower than that of the ferrules, and a plurality of metal cables. Each cable connects the hub to the laminated strip while being fixed, on the one hand by an external end to the laminated strip, and on the other hand by an internal end to the hub by means of an elastic member making it possible to modulate the radial stiffness of the cables. Each elastic member is associated with an abutment able to limit its deformation.

The invention relates to a deformable, non-pneumatic load-bearing wheel (2) intended for use on a vehicle for driving in extreme conditions such as those encountered on the Moon and Mars, comprising a hub (4), a laminated strip (6) comprising a plurality of ferrules assembled with interposed layers, and a plurality of metallic cables (8) connecting the hub to the laminated strip, the laminated strip being covered with at least one thermal insulation coating (20) made of at least one material having a thermal conductivity of less than 0.2 Wm-1K-1, and the wheel further comprising means (22, 24, 26) for heating the interposed layers of the laminated strip.

A spoke (12) for a non-pneumatic tire (10) is provided that has a nose (28) that engages a first panel (16) and a second panel (18). A first foot (20) is carried by the first panel and has a first foot first concave surface (46) and an adhesion deflector (48). A second foot (22) is present and is carried by the second panel. A reinforcement layer (24) engages the first foot first concave surface and the adhesion deflector.

The invention relates to the technical field of tires, in particular to a non-pneumatic tire which comprises a rim, a spoke and a tread, the rim, the spoke and the tread are coaxially arranged, the spoke is arranged between the rim and the tread and comprises an outer buffer layer, an inner buffer layer and an asymmetric spoke assembly, the inner surface of the inner buffer layer is fixedly connected with the outer surface of the rim, and the inner surface of the inner buffer layer is fixedly connected with the outer surface of the rim. The outer surface of the outer buffer layer is fixedly connected with the inner surface of the tread, the asymmetric spoke assembly is arranged between the outer buffer layer and the inner buffer layer, a plurality of first clamping blocks are arranged on the outer surface of the rim, a plurality of first clamping grooves are formed in the inner buffer layer, the first clamping grooves are connected with the first clamping blocks in a clamping mode, and the first clamping blocks extend into the asymmetric spoke assembly. Through the design of the asymmetric spokes, the first clamping blocks are effectively avoided, meanwhile, the stress distribution of the tire is optimized, the performance of the tire is remarkably improved, the tire can be moderately deformed when being impacted, and the impact resistance of the tire is enhanced.

The utility model discloses a damping wheel for a golf trolley, which comprises a hub and a tire, a bearing seat is arranged on the inner side of the hub, a cavity is formed between the hub and the bearing seat, n connecting pieces and n springs are arranged in the cavity, and when the golf trolley runs, if vibration is generated, impact force generated by the vibration is transmitted to the n connecting pieces, and the n springs are connected with the hub. Under the action of impact force, some of the n connecting pieces can compress the springs connected with the n connecting pieces, some of the n connecting pieces can stretch the springs connected with the n connecting pieces, the n springs buffer the impact force, therefore, the impact force transmitted to a frame is effectively reduced, damping is achieved, the bearing seat, the n connecting pieces and the n springs are all installed in the inner side area of an outer tire, and the size of the wheel cannot be additionally increased; the golf trolley has the advantages that vibration of the golf trolley in the running process is reduced, meanwhile, the size of the golf trolley cannot be increased, and the golf trolley is convenient to store.

To provide a simulation method enabling performance of an airless tire to be evaluated.SOLUTION: Provided is a simulation method for an airless tire having a tread ring, a hub, and a plurality of spokes. The simulation method includes: a model input step S1 of inputting to a computer an airless tire model including a tread ring model obtained by discretizing each of the tread ring, the hub, and the plurality of spokes with a finite number of elements, a hub model, and a plurality of spoke models; and a simulation step S2 in which the computer provides an external force to the airless tire model, and calculates a physical quantity acting on the airless tire model. The simulation step S2 includes a step of, for each of the plurality of spoke models, calculating a force acting on such a predetermined reference plane that cuts a length of the spoke model in a tire radial direction.SELECTED DRAWING: Figure 3

The invention provides a corrugated pipe type non-inflatable wheel which is characterized in that the corrugated pipe type non-inflatable wheel comprises a supporting outer ring (3), a supporting inner ring (5), a corrugated pipe (4), a hub (6), a corrugated anti-skid sheet (1) and a reinforcing ring (2), the hub (6) is located in the center of the wheel, the supporting inner ring (5) is arranged on the outer side of the hub (6) in a sleeving mode, the corrugated pipe (4) is installed between the supporting outer ring (3) and the supporting inner ring (5) in the radial direction of the wheel, and the corrugated anti-skid sheet (1) is arranged on the corrugated pipe (4). The outer supporting ring (3) is arranged on the outer side of the hub (6) and the outer side of the inner supporting ring (5) in a sleeving mode, the hub (6), the inner supporting ring (5), the corrugated pipe (4) and the outer supporting ring (3) jointly form a wheel body, and the corrugated anti-skid piece (1) and the reinforcing ring (2) are arranged on the outer supporting ring (3). The non-inflatable wheel is higher in radial bearing capacity, higher in vibration reduction and unit volume material utilization rate and easier to maintain.

The invention relates to a wheel comprising: an axis of rotation; a hub; a rim; a first spoke; a second spoke, the second spoke comprising: an inner section; an outer section; and an intermediate section; a third spoke, the third spoke comprising: an inner section; an outer section; and an intermediate section wherein the intermediate section of the third spoke and the intermediate section of the second spoke are concave relative to each other when the wheel is not deformed; a first distance defined between a first portion of the inner section of the second spoke and a second portion of the inner section of the third spoke; and a second distance extending between a third portion of the outer section of the second spoke and a fourth portion of the outer section of the third spoke; wherein the first distance is smaller than the second distance; and wherein during a load of the wheel is sufficient to cause deformation of the wheel, when the wheel is deformed by a first amount, the first spoke engages the second spoke such that the engagement resists further deformation of the wheel.

A wheel assembly for a vehicle includes an inner rim (1031) to be coupled to the vehicle, and an outer rim (1033) surrounding the inner rim. The wheel assembly further includes gas springs (1050) operatively coupled between the inner rim and the outer rim to provide relative movement between the inner rim and the outer rim. A ballistic armor cover plate (1080) extends between the outer and inner rim on an outboard side of the wheel assembly to protectively cover the gas springs.

The invention discloses a light-weight wheel and a non-inflatable wheel assembly, and belongs to the technical field of tires, and the light-weight wheel comprises a connecting disc and a plurality of spoke pieces. The spoke pieces with the spoke parts and the supporting parts are evenly distributed on the inner side of the connecting disc in the circumferential direction with the center of the connecting disc as the circle center, the supporting parts are distributed in the circumferential direction to form the rim, the spoke parts are fixed to the connecting disc in the radial direction of the rim in the fan shape, and the supporting strength of the wheel is guaranteed. The first lightening holes are formed in the spoke part, so that the weight of the wheel is reduced, materials are reduced, the spoke piece has the spoke function and can form a rim, and therefore the types of accessories can be reduced, the machining difficulty of the wheel is lowered, and the machining efficiency is improved; therefore, the small-batch development and processing mode of the wheels can be simplified, the research and development cost is reduced, and expensive large-size molds are not needed for large-batch production of the wheels, so that the mold development difficulty, the manufacturing cost and the manufacturing period during large-batch production can be simplified.

The utility model discloses a shock-absorbing device for moving equipment in a broadcast television studio, which relates to the technical field of shock-absorbing devices and particularly comprises an active shock-absorbing structure and a passive shock-absorbing structure, the active shock-absorbing structure is arranged on rollers of a moving device of the equipment in the broadcast television studio, and the passive shock-absorbing structure is arranged on the rollers. The active damping structure comprises a damping ring connected with the outer side wall of a roller of the broadcast television studio equipment moving device, a connecting ring wrapping the outer side wall of the damping ring, a sealing plate movably connected with the connecting ring and an air blower fixedly connected with the sealing plate. According to the shock absorption device for moving the broadcast television studio equipment, through the arrangement of the active shock absorption structure, an air blower can blow outside air into the air injection cavity through a connecting hole overlapped with the air outlet pipe, air in the air injection cavity is sprayed out through the spraying holes, and the air sprayed out of the spraying holes can be blown to the front side of the moving direction of the rolling wheels; and particle impurities on a road in front of the moving direction of the roller are blown away, so that the vibration of the moving device is reduced from the source.

A driving wheel includes: a hub body disposed in a central region of the driving wheel; a plurality of spoke members inserted into the hub body and movable in a radial direction R of the driving wheel relative to the hub body; and link members each having one side coupled to one of the spoke members and the other side coupled to another spoke member disposed adjacent to the spoke member to which the one side of the link member is coupled. In particular, when the spoke members move in the radial direction R, the link members are rotatable about regions coupled to the spoke members.

This utility model discloses a silent, non-marking caster with good cushioning performance. It includes a bracket, which comprises a top plate and two arm plates fixed to the left and right ends of the lower side of the top plate. A mounting plate is rotatably mounted on the upper side of the top plate. A forward-extending arm plate is hinged to the lower end of each of the two arm plates. The rear ends of the two arm plates are fixedly connected by a connecting plate to form a bracket. A roller is rotatably mounted on the inner front end of the two arm plates via a wheel axle assembly. The roller includes a hub and a tire fitted onto the outer circumferential side of the hub. The tire is made of a flexible polymer material. A longitudinal shock-absorbing component is provided between the front end of the arm plate and the front end of the top plate. The caster exhibits excellent shock absorption and cushioning performance during load-bearing movement. During load-bearing movement, the elastic deformation of the tire can mitigate the instantaneous impact of the caster on the ground. The tire can also maintain friction while making flexible contact with the ground, avoiding hard scraping and tire wear. It also provides quiet operation and leaves no marks.

The present teachings generally provide for an overrunable test vehicle for dynamic vehicle testing of advanced driver assistant systems along a driving plane. The overrunable test vehicle comprising a chassis with a first end and a second end and including a mounting area configured to receive a soft target, and defining an axis of rotation transverse to the driving plane between the first end and the second end, four drive mechanisms coupled with the chassis, each drive mechanism having an electric motor with a drive wheel, and a control system coupled with the electric motors, and configured to control speed and torque of each of the electric motors, forming a torque vector that rotates the overrunable test vehicle about the axis of rotation to a target rotation angle. The axis of rotation is a location between the two drive mechanisms that the chassis turns about when the torque vector is applied to the chassis of the overrunable test vehicle.

The non-pneumatic tire includes a lower ring having a first diameter and an upper ring having a second diameter. The upper ring is substantially coaxial with the lower ring. A support structure connects the lower ring to the upper ring. The support structure is composed of a plurality of spokes. The support structure is arranged and configured such that adjacent spokes among the plurality of spokes contact each other when a high-impact event occurs.

To provide a non-pneumatic tire configured so that strength of a connection site between an inner annular part and connection parts is enhanced to improve durability of the connection part, while securing a distance between the connection parts, at the inner annular part side.SOLUTION: A non-pneumatic tire 1 comprises an outer annular part 2 having a tread 5, an inner annular part 3 provided at inside the outer annular part 2, and a connection part 4 provided along a tire circumferential direction D to connect the outer annular part 2 to the inner annular part 3. The connection part 4 is configured so that a first connection part 41 extended from one side Y1 in a tire width direction Y of the outer annular part 2 toward the other side Y2 in the tire width direction Y of the inner annular part 3 and a second connection part 42 extended from the other side Y2 in the tire width direction of the outer annular part 2 toward the one side Y1 in the tire width direction Y of the inner annular part 3 are alternately arranged along the tire circumferential direction D. Thicknesses along the tire circumferential direction D of the connection part 4 are smaller in the inner annular part 3 side than in the outer annular part 2 side, and widths along the tire width direction Y of the connection part 4 are larger in the inner annular part 3 side than in the outer annular part 2 side.SELECTED DRAWING: Figure 2

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle and an outer rim surrounding the hub. The wheel assembly may also include gas springs operatively coupled between the inner rim and the outer rim to provide a gas suspension for relative movement between the inner rim and the outer rim. An outer ring may be adjacent an inboard side of the outer rim and defining a closeable gap with adjacent interior portions of an inboard side of the inner rim to define a mechanical stop to limit relative movement between the inner rim and outer rim. The gas springs may be arranged on an outboard side of the outer ring.