60results about "Multiple wheel assembly" patented technology

The utility model discloses a road surface self-adaptive double-wheel driving mechanism which comprises an axle, a wheel rotating shaft, a brake system assembly, a hub connecting piece and side-by-side wheels, the side-by-side wheels are connected to the two sides of the hub connecting piece respectively, the wheel rotating shaft is arranged in the axle, a cylindrical wheel end flange is coaxially arranged outside the wheel rotating shaft, and the brake system assembly is arranged on the hub connecting piece. A bearing is sleeved on the outer wall of the cylinder of the wheel end flange, the wheel end flange is connected with a hub bearing mounting seat into a whole through the bearing, and the hub bearing mounting seat is rotatably connected with the axle through a wheel end rotating shaft; the wheel rotating shaft comprises a rotating shaft body and a front-end transmission shaft, and the rotating shaft body and the front-end transmission shaft are connected through a spherical hinge mechanism. The front end transmission shaft is fixedly connected with the wheel end flange; and the wheel end flange is fixedly connected with the hub connecting piece through the connecting part. The wheel set can swing at a certain angle relative to the axle, so that severe working conditions such as stress of a single wheel are effectively avoided, the loss of the wheel is reduced, and the service life of the wheel is prolonged.

The utility model discloses an anti-explosion double-tire wheel structure. The anti-explosion double-tire wheel structure comprises a hub, a rim, an inner tire and an outer tire, the rim and the hub are fixed on the outer edge of the hub; two tire grooves are formed in the rim through the side check rings. A group of inner tire and outer tire can be embedded in each of the two tire grooves; the outer tire comprises a tire outer wall, a tire inner wall and a tire bottom wall; the tire inner walls of the two outer tires are attached to each other; and the tire inner wall and the tire bottom wall are in small arc-shaped edge transition. According to the utility model, when a certain group of tires burst or leak air in the use process, the other group of tires can work independently, so that traffic accidents caused by the fact that a vehicle body loses balance and the direction is out of control are avoided, and maintenance can be carried out after freight driving is completed. The appearance effect and the load-bearing performance of a large-tire-width tire can be reflected, the cost is only the price of two small-tire-width tires, the explosion-proof driving is realized, the maintenance and replacement cost is low, and the favor degree of a small truck driver is high.

Method for increasing the contact area (6) of a wheel (1) with a rim (2) having at least one expandable element (7) in the area of ​​a rim (2) of the wheel (1), wherein the expandable element (7) is brought from a rest state to an expanded state by filling it with a fluid, in which the running surface (10) of the wheel (1) is widened completely, wherein the expandable element (7) is arranged in the rim (2) in such a way that the width of the wheel (1) or of a vehicle equipped therewith is not increased, characterized in that the expandable element (7) comprises a three-dimensional textile support structure.

The present invention provides an emergency wheel attachment (10) for a vehicle wheel (12), the emergency wheel attachment having a substantially annular mounting unit (18) used to attach the emergency wheel attachment to the vehicle wheel and an annular tread unit (20) that contacts the road in an operative state, the mounting unit having at least two retaining claws (22) designed to secure the mounting unit to the rim (14) of the vehicle wheel by engaging rearwardly of a rim flange (26), at least one retaining claw being radially movable to vary its distance from a center point of the mounting unit, the mounting unit having an annular operating element (46) that is rotatable about a rotation axis (A) coincident with the vehicle wheel axis in an operative state of the emergency wheel attachment, the annular operating element (46) rotatable about a rotation axis (A) that coincides with the vehicle wheel axis, the annular operating element (46) translating rotation of the operating element (46) into radial movement of the radially movable retaining claws, and the mounting unit (18) having a drive coupled or coupleable to the operating element (46).

The present disclosure provides a composite powered wheel set, a train, a wheel-rail system and a train control method. The composite powered wheel set comprises two booster wheels and two support wheels mounted on a driving axle. The booster wheels are fixedly mounted on two ends of the driving axle, the support wheels are mounted on the driving axle via bearings, the moving axle is connected to a first transmission device, which is connected to a first power mechanism, and the driving axle is further connected to a train bogie via a connecting device. Booster wheels and booster rails are provided to improve anti-skid performance, so the train will not skid when running on a steep slope or under a heavy traction load. Restrictions on the railway slope, train traction load, and train speed are eliminated to a great extent, and the application scope of the wheel rails is expanded.

To provide a conveying device which reduces frequency for replacing a wheel.SOLUTION: A conveying device 1 includes: a carriage 11 for conveying a vehicle or the like; and a robot section 12 which tows the carriage 11. The conveyance device further includes: a first wheel group which is provided in a lower section of the carriage 11 and has a plurality of wheels arranged by one shaft; a second wheel group which is provided in the lower section of the carriage and has a plurality of wheels arranged by one shaft; a first rotary shaft 32 which rotatably supports the first wheel group with respect to the carriage 11 by defining a direction orthogonal to an axial direction of the wheels arranged in the first wheel group as an axial direction; and a second rotary shaft 34 which rotatably supports the second wheel group with respect to the carriage 11 by defining a direction orthogonal to an axial direction of the wheels arranged in the second wheel group as an axial direction.SELECTED DRAWING: Figure 2

Attachment (10) for a vehicle wheel (12) to enable driving operation with limited tire function, comprising a base body (20) and a fastening device (32) for attaching the attachment (10) to a rim (13) of the vehicle wheel (12), wherein the base body (20) is circular or largely annular in an axial direction (A) and includes a clamping attachment (70) for the fastening device (32), characterized in that the clamping attachment (70) is designed to be attached radially outside around the fastening device (32) to the attachment (10) and, in the attached state, to contact the road surface in such a way that a locking mechanism (72) of the clamping attachment (70) is clamped in such a way that it exerts radial inward pressure on the fastening device (32).

The double-tire wheel set structure comprises an outer vehicle tire and an inner vehicle tire which are arranged side by side, and is characterized in that the outer vehicle tire and the inner vehicle tire are fixedly arranged on two mutually independent shafts respectively, the two shafts are connected together through a differential mechanism, and the differential mechanism is in transmission connection with a driving shaft; a gap is formed between the outer tire and the inner tire; one end of a suspension longitudinal swing arm assembly used for being connected with a vehicle body extends into the gap and is fixedly connected with the differential mechanism; one end of a suspension connecting rod guide arm assembly used for being connected with a vehicle body extends into the gap and is connected with the differential mechanism in a swinging mode. The suspension longitudinal swing arm assembly and the suspension connecting rod guide arm assembly are located on the front side and the rear side of the double-tire-wheel-set structure respectively. The differential mechanism is additionally arranged, so that the relative abrasion between the tire and the ground during turning can be effectively reduced, and the service life of the wheel is prolonged.

In a method for operating a movable object, wherein the movable object comprises two or more wheels spaced apart from each other in at least one forward / backward direction, and two or more eccentric drive parts are each configured to connect a wheel and the body part, the two or more eccentric drive parts can be controlled such that an angle defined between the body part and a ground surface is minimized in a range in which the second side is positioned within the angle of rotation by which the second side can be rotated about the first side.

The utility model discloses a boat tractor tire structure with anti-skid capacity, which comprises a boat tractor tire mechanism, the boat tractor tire mechanism comprises a first anti-skid tire and a second anti-skid tire, and first through holes are formed in the first anti-skid tire and the second anti-skid tire. The first anti-skid tire and the second anti-skid tire penetrate through the connecting shaft and are fixed through the bolts and the nuts, the tires can be effectively prevented from loosening in the operation process of the boat tractor, and therefore the weight of the boat tractor is better dispersed, the contact area between the boat tractor and the ground is increased, pressure on soil is reduced, and sinking and slipping are avoided.

A suspended undercarriage assembly connectable to a multi-member frame assembly of a track system includes a beam having a leading portion and a trailing portion, at least one support wheel assembly connectable to the beam, at least one of a leading resilient bushing assembly and a trailing resilient bushing assembly including a bushing having an opening defined therein and being shaped and dimensioned for promoting deformation of the bushing in at least one of a vertical direction and a lateral direction. The bushing is resiliently deformable to permit movement of the beam relative to the multi-member frame assembly in the vertical direction and in the lateral direction, and to resiliently bias the beam towards a rest position with respect to the multi-member frame assembly. A track system having the suspended undercarriage assembly is also provided.

The present disclosure provides embodiments of a lock ring assembly for a multi-piece wheel rim. The multi-piece wheel rim includes a rim (301,501), a bead seat band (303,503), a tire flange (305,505), an O-ring (313,513), and a groove (311,511). The lock ring assembly includes an endless ring (307,507) and a two-piece segmented saddle lock-ring (309,409,509). The two-piece segmented saddle lock-ring (309,409,509) engages with the groove (311,511) facilitating retro-fit. An endless ring (307,507) is placed on the saddle lock-ring (309,409,509). A taper on a radially inner surface of the endless ring (307,507) matches with a taper on a radially outer surface of the two-piece segmented saddle lock-ring (307,507), wherein the taper impart self-locking. The radially inner surface is placed on the radially outer surface of the two-piece saddle saddle lock-ring (309,409), and the self-locking taper prevents movement of the endless ring (307).

The utility model relates to the technical field of beehive carrying, in particular to an electric trolley for beehive carrying, which comprises a frame, a goods shelf is slidably arranged on one side of the frame, and the bottom of the goods shelf is connected with a plurality of groups of insertion rods through hinges; a first handle is arranged at the top of the frame; second handles are arranged on two sides of the middle of the frame; a main walking wheel is rotationally arranged on the side, away from the goods shelf, of the frame, a supporting shaft is connected to the middle of the main walking wheel, and a motor is connected to one side of the supporting shaft. The first handle and the second handle are provided with switches for controlling the motor; the first handle and the second handle are rotated to control the motor to work. The motor can be controlled to work through the first handle and the second handle, when the goods shelf is inclined, the trolley is pushed, when the goods shelf is adjusted to be in a vertical state, a worker can hold the second handle to control, and the first handle and the second handle are each provided with three gears to control the rotating speed of the motor, so that the trolley can be conveniently pushed, and the working efficiency is improved. And the moving speed of the cart can be controlled.

The utility model relates to the technical field of wheel hubs, in particular to an electric bicycle wheel hub with a double structure, which comprises a first wheel hub, a second wheel hub which is the same as the first wheel hub is arranged on the side edge of the first wheel hub, and the second wheel hub and the first wheel hub are supported and assembled through a butt joint middle piece. A middle cylinder inserting piece is inserted and assembled in the center of the first hub, the center of the second hub and the center of the butt joint middle piece, the side edge of the middle cylinder inserting piece is assembled with the outer side walls of the first hub and the second hub in a supporting mode through a limiting side frame, and a side blocking disc is supported on the outer side of the limiting side frame. The hub of a double structure can be conveniently combined and assembled according to use requirements, the situation that the hub is damaged and cannot be used is avoided, and the operation and use efficiency is improved.

This invention relates generally to wheel assemblies for a material handling vehicle, such as forklifts and pallet trucks, and the components therein. In one preferred embodiment, the wheel assemblies include conductive brush spacer assembly with tunable properties (conductivity / resistance, as well as mechanical properties) to adapt the brush spacer assembly. Embodiments of the present application may be used in various wheel assemblies, as discussed herein.

The present invention relates to a self-locking mechanism for quick tyre change in rear dual wheel assembly in a heavy transport vehicle. The self-locking mechanism includes a two-piece segmented saddle lock ring 409a, 409b retained in position by an endless ring 406. A self-locking taper 405 provided on inside of the endless ring that can be pressed against on the two-piece segmented saddle lock ring 409a, 409. A lip 702 is provided on the two piece segmented saddle ring 409a and 409b in addition to the self locking taper 413 provided at the interface with endless ring 406. A relief 708 is provided on the inner surface of the endless ring 406.

The utility model discloses a walking mechanism and a stair climbing device. The walking mechanism comprises a rack and a driving assembly. The driving assembly comprises a first wheel body, a second wheel body, a first driving piece and a second driving piece, the first wheel body is rotationally connected to the rack, the second wheel body is rotationally connected to the first wheel body, a plurality of protruding blocks are arranged on the side walls of the first wheel body and the second wheel body at intervals in the circumferential direction, and a notch is formed between every two adjacent protruding blocks; the first driving part is used for driving the first wheel body to rotate, a mounting groove is defined by the first wheel body and the second wheel body, the second driving part is arranged in the mounting groove, the fixed end of the second driving part is hinged to the first wheel body, the movable end of the second driving part is hinged to the second wheel body, and the second driving part is used for driving the second wheel body to rotate. According to the walking mechanism, the obstacle crossing capacity can be improved, and the structural complexity is reduced.

A drive assembly for a vehicle is disclosed. The drive assembly comprises a central hub having an axis of rotation; an in-wheel electrical machine comprising a stator and a rotor; and a rim assembly comprising an inward circumferential part and an outward circumferential part, said inward circumferential part and said outward circumferential part being disposed adjacent each other along said axis of rotation, each part comprising a rim section for carrying a respective tyre, wherein the rim assembly is coupled to the hub. The in-wheel electrical machine is arranged outwardly of, and coupled to, the hub. A vehicle comprising the drive assembly is also disclosed.

A surface cleaning device is disclosed. The surface cleaning device includes a housing; a spray bar assembly connected to the housing, the spray bar assembly spraying a ground surface to be cleaned with a high pressure liquid; and a plurality of wheels connected to the housing, each of the wheels having a hub and a plurality of rollers to move the surface cleaning device in multiple directions.

The utility model relates to the technical field of engineering supports, in particular to a medium and heavy type welding damping double-wheel which comprises an upper plate, a main rivet and a lower plate, the lower end of the upper plate is fixedly connected with a buckle cover, the lower end of the buckle cover is rotatably connected with the lower plate, the bottom end of the main rivet is rotatably connected with the upper portion of the lower plate, and the lower end of the main rivet is rotatably connected with the lower plate. The two sides of the bottom end of the lower square plate are fixedly connected with supports. According to the medium-heavy type welding damping double-wheel, the supports are made of high-strength stainless steel materials, the first screw column penetrates through the inner sides of the two parallel supports, the protruding position of the outer side of the first screw column on the outer sides of the supports can be sleeved with the transverse plate, then the two ends of the first screw column are fixed by screwing nuts, and the other end of the transverse plate penetrates through the second screw column; the aluminum core polyurethane wheels which are tightly connected with the inner sides are fixed through the supports arranged on the two sides, the whole double-wheel structure is compact, the borne weight of the double-wheel structure can be shared by the supports and the transverse plates, and the pressure bearing and load bearing capacity of the medium-heavy type welding damping double-wheel structure is greatly improved.

Various embodiments involve a universal wheel. The universal wheel can include a wheel support portion; a set of bearing sleeves; a hub; and a flange. The wheel support portion can be configured to receive the set of bearing sleeves. The hub can be disposed about a perimeter formed by an outer portion of each bearing sleeve. The flange can be coupled to the wheel support portion such that the wheel support portion and the flange cooperate to maintain the hub between at least a portion of each of the wheel support portion and the flange with the hub disposed on a rolling surface defined by the set of bearing sleeve such that the hub is configured to rotate freely with respect to the wheel support portion and the flange when the wheel support portion and the flange are in a fixed position.

A modular wheel assembly for a power drive unit (PDU) may comprise a hub and a disc stack coupled to the hub. The hub may be a splined hub defining a plurality of spline recesses. The disc stack may comprise a plurality of discs. Each disc of the plurality of discs may comprise a ring having a plurality of splines that are complementary to the spline recesses, and that are configured to interlock with the spline recesses. Each disc may further comprise an annular segment made of one of a first material and second material. The annular segment may be a tire. In the event of damage or wear, each disc in the plurality of discs may be removed and repaired or replaced.

A wheel assembly having a wheel rotation axis; a rim with an outer surface around the wheel rotation axis; wherein the outer surface comprising suction ports; two tires mounted on the outer surface of the rim; a particle collector adapted to trap particles entering said particle collector; a particle suction system with a bladed suction structure configured for generating a suction air flow in the rim upon rotation of said bladed suction structure about the wheel rotation axis; an air passage connecting the suction ports to the bladed suction structure via the particle collector in order to suck particles through the suction ports by means of the suction air flow generated by the bladed suction structure.

The inspection robot comprises a vehicle body, a swing mechanism, a first inspection module, a second inspection module, a third inspection module and a central control module, the upper portion of the vehicle body is covered with a vehicle cover, a walking mechanism is arranged in the vehicle body, walking wheels are arranged on the two sides of the vehicle body respectively, and the walking mechanism is connected with the walking wheels; the first inspection module is arranged at the front end of the vehicle body; the swing mechanism is arranged on the vehicle body; the second inspection module is arranged on the slewing mechanism; the third inspection module is arranged between the second inspection modules and is arranged on the slewing mechanism; the central control module receives inspection images fed back by the first inspection module, the second inspection module and the third inspection module, and forwards the received inspection images to the control terminal. According to the invention, the inspection robot is matched with the three-dimensional integrated inspection camera to realize omnibearing image acquisition of the oil field production area, and safety monitoring and operation and maintenance of all-weather oil field production can be realized.

This invention relates to an axle assembly with a brake drum and an assembly method thereof. An axle assembly and an assembly method are disclosed. An outer wheel is mounted to an outer mounting device of a wheel hub. An inner wheel and a brake drum are mounted to an inner mounting device of the wheel hub, such that a brake drum mounting device is axially positioned between the inner wheel and the inner mounting device.

The utility model relates to robot technical field provides a kind of robot wheel and agricultural robot.The robot wheel described above, including: wheel hub and a pair of rubber wheel, the wheel hub includes: a pair of first rolling part and second rolling part, a pair of the first rolling part is parallelly arranged, the two ends of the second rolling part are connected with a pair of the first rolling part respectively, the diameter of the second rolling part is less than the diameter of the first rolling part, to make a pair of the first rolling part between formation first annular groove, the shape of the first annular groove is compatible with the shape of the heating track, the first annular groove is used to be connected with the heating track rolling;Each rubber wheel is sleeved on the outside of the first rolling part described above.The robot wheel described above, not only can walk on the heating track in greenhouse, also can walk on farmland ground, solves the problem that existing wheel can only adapt to single ground, widens the application environment of robot wheel.