806results about "Vehicle manoeuvring devices" patented technology

The invention is a motorized trailer wheel mounted to a trailer tongue jack which has a single power source such as 12-volt battery-powered electric motor and gear reducer. The motor drives a pinion gear which engages a circular rack mounted to the wheel. Operation of the motor is controlled by an electrical switch assembly which can switch among OFF, FORWARD, and REVERSE positions.

A ground handling system for an airship which comprises a first track system to allow a plurality of docking carts to move from a hangar to a weathervane / launching / landing ring R. The docking carts are configured to complete a second track system. Carried by each of the docking carts is a mooring cart that carries a mooring structure. Upon the completion of the second track system by each of the docking carts, the mooring carts are able to move about the second track system. Thereby allowing the airship to be oriented in a desired manner to facilitate its launch or landing.

An improved dolly system including at least three dollies adjustably interconnected as a system to allow a trailer or other vehicle to be loaded therein. The dollies are adjusted for the width and the length of the trailer to mate the dollies with the wheels of the trailer. Four dollies can be adjustably connected in a system to provide a vehicle dolly system. The system can include one or more brakes and once loaded the system can be moved in any direction to facilitate the maximum use of available parking space.

A direction change device includes first and second transport passage 3, 4, in which one of the transport passages is disposed at the same vertical position as that of the first transport rail 16, the other is disposed below the one, a rotating unit 22 rotating the transport passages 3, 4 about their central points, a lift unit 23 lifting the transport passages 3, 4 in a vertical direction and a control unit 21. The control unit 21 controls such that when the FOUP 5 is carried out from the transport rail 16 to the transport passage disposed at the same vertical position as that of the transport rail 16, rotating the transport passages 3, 4 by about 90°, carrying out the FOUP 5 from one of the transport passages, and exchanging the respective vertical positions of the first and second transport passages 3, 4.

The invention provides an automatic parking system and method. The system comprises a temporary stopping area, a parking area with a plurality of parking spaces, an automatic parking platform and an automation tractor vehicle, wherein the temporary stopping area comprises at least one temporary stopping parking space which is provided with a trailer platform; the trailer platform is provided with a first connecting mechanism and used for loading a vehicle to be parked; the automatic parking platform is used for monitoring the use conditions of the plurality of parking spaces, acquiring the target parking space according to the use conditions of the plurality of parking spaces and generating a planning route from the temporary stopping space to the target parking space; the automatic tractor is provided with a second connecting mechanism in match with the first connecting mechanism and used for moving the trailer platform from the temporary stopping space to the target parking space according to the planning route. With the adoption of the automatic parking system, different vehicles can be parked to idle parking spaces within a short time, so that the globally optimal parking route planning under the state of synchronously moving the plurality of vehicle can be achieved.

A powered, directionally steerable trailer jack that can be used to elevate and lower a trailer tongue and having a caster wheel assembly affixed to a lower end of the jack. The caster wheel assembly includes a shroud having the wheels' axle journaled for rotation at a lower end thereof along with a pair of shafts also journaled for rotation in the shroud and oriented parallel to the axle. A chain and sprocket arrangement provides a low-speed, high torque transmission between one of the shafts and the axle and a high-speed, low torque transmission between the other of the shafts and the axle. The trailer jack assembly can be tilted out of its vertical disposition to provide adequate clearance when the trailer is being pulled over uneven road surfaces. The power for driving the wheels may be provided manually by means of a crank for turning one or the other of the shafts or by an electric motor coupled one of the shafts.

A snowmobile dolly usable with a wide variety of snowmobiles of different sizes and / or designs. The dolly approaches the snowmobile from the front and engages its front bumper. A downward force on the tongue of the dolly raises the snowmobile and positions the front wheels of the dolly under the front of the snowmobile. An auxiliary rear axle is then slid under a rear portion of the snowmobile. A swivel connection on the front bumper-engaging member allows the snowmobile supported by the dolly to be easily maneuvered in tight spaces. An additional feature of the dolly is that it may also be reconfigured for use as a jack stand allowing service or repair work to be performed. The dolly is adapted to be towed behind a riding lawnmower, yard tractor, or the like, further enhancing the utility of the dolly.

The invention discloses a simple trolley for garage moving. The trolley comprises a handle (1), moving cross beams (4), hydraulic lifting mechanisms (5), trundles (6) and a trolley support. The height of the trolley is smaller than minimum ground clearance of a garage-moving car; the trolley support comprises two long supports (2), four short supports (3) and reinforcing ribs (7). Grooves are opened on the upper sides of the four short supports (3), two ends of the four short supports (3) are fixedly connected with the two long supports (2), and the reinforcing ribs (7) are welded at four corners of the trolley support to strengthen the stability of the trolley support; the number of the trundles (6) is four and the trundles are fixedly mounted below the reinforcing ribs (7); and the handle (1) is welded on an external side of one of the two long supports (2) to facilitate pushing by hands. The simple trolley is simple in structure, low in manufacturing cost and convenient to operate and maintain, and road managers can help car owners move cars into and out of temporary garages by using the trolley.

It is the pallet conveying mechanism to move a pallet P arrived at an end point 17b of a friction conveyer FC2 to a starting point 7a of a friction conveyer FC1 in just as it is the direction without turning. The pallet conveying mechanism is comprised of rollers 34 having a flange portion 34a to contact with the pallet P by arranging along a main frame 31 provided so as to connect the friction conveyer FC 1 and FC 2 with each other and a drive mechanism 35 for driving rollers 34.

A low profile turntable device constructed of wedge shaped sections with structural foam in between, support rollers on the bottom skin, a plurality of reversible drive motors inside a plurality of outer ramps around the exterior, and a concentric circular and perpendicular lateral band system for mounting the turntable on a surface.

A trailer dolly includes an internal combustion engine, a transmission providing both forward and reverse drives, and a centralized lifting handle. The internal combustion engine provides much better power and much less weight than electric counterparts. The forward / reverse transmission includes a sliding shaft which engages a select one of two bevel gears with a larger bevel gear to select forward or reverse drive. The sliding shaft slides along with an elongated clutch cylinder of a centrifugal clutch. An alternative transmission uses sprockets and chains to obviate a case to enclose lubricant. Counter-rotating sprockets alternatively engage a dog-tooth gear to select either forward or reverse drive. The lifting handle mounted generally at the center of gravity (with the trailer dolly in a substantially horizontal position) makes single-handed lifting and carrying of the trailer dolly quite easy.

An apparatus for rotating a vehicle such as an automobile is disclosed. The apparatus includes a first and a second substantially circular frame detachably mounted to a base frame in a parallel spaced apart orientation. A plurality of mounting members adjustably mounted to the first and second frame are configured to engage a support structure of the vehicle to detachably mount the vehicle to the first and second frame. The plurality of mounting members may be adjustable to engage the vehicle at a plurality of different positions so as to provide virtually complete access to an underside of the vehicle. A plurality of rotatable bearings mounted to the base frame engages the first and second frame such that the first and second frame may freely rotate on the plurality of bearings in a first and a second direction. The first and second frame rotates simultaneously relative to the base frame which rests stationary on a surface. A plurality of releasable locking mechanisms mounted to the base frame engages the first and second frame to inhibit rotation when the first and second frame are rotated to a desired degree of rotation. Wheels may be mounted to the apparatus so as to make it transportable.

The present invention relates to a trailer system, and particularly to a self-driving trailer system for a radiation imaging inspection system and a method for inspecting a vehicle by radiation imaging of a vehicle through the trailer system. The self-driving trailer system comprises two trailers symmetrical in structure. Each of the trailers comprises a driving device, running wheels, a trailer body, a carrying device, a lift cylinder, a balance wheel, and two pairs of guide wheels. The driving device, the running wheels, and the balance wheel are coupled with the trailer body. The carrying device is coupled with the trailer body through the lift cylinder. A front carrying arm and a rear carrying arm can clamp front wheels of a vehicle under inspection, and move upwards and downwards by the lift cylinder. The trailer system according to the present invention is smooth and reliable in operation and simple in structure, and is applicable to different diameters of wheels of container lorries under inspection and is convenient in operation.

A computer implemented method, apparatus, and computer usable program code for a mobile tail support control system. An apparatus comprises a data processing system, an output device, a set of load sensors, a set of position sensors, and a computer program product executing on the data processing system. The output device is capable of generating signals for managing movement of a mobile tail support apparatus. The set of load sensors may be coupled to the data processing system and may be capable of detecting loads associated with a swing tail cargo door. The set of position sensors are coupled to the data processing system and detect a position of the mobile tail support apparatus relative to the swing tail cargo door. The computer program product may receive information from the set of load sensors and the set of position sensors and generate signals to manage the mobile tail support apparatus.

The invention relates to the field of disassembly and assembly of maglev trains and provides a disassembly and assembly device for levitation chassis of the middle-low speed maglev trains. The disassembly and assembly device is located above a foundation with running rails, and the length direction of the running rails is perpendicular to the length direction of maglev rails. The disassembly and assembly device comprises a base and a supporting table located above the base. A lifting mechanism is arranged between the supporting table and the base. A running wheel assembly is arranged on the base. Lifting rails located between the two adjacent maglev rails are arranged on the supporting table, and the supporting table and the two adjacent maglev rails are supported and fixed through two or more locking assemblies. The disassembly and assembly device serves as a part of the maglev rails normally and guarantees smooth passing of the trains; when the disassembly and assembly device needs to be used for disassembly and assembly, the lifting rails can be driven by the lifting mechanism to move in the vertical direction, the disassembly and assembly device can conveniently move on the ground through the running wheel assembly so as to realize disassembly and assembly of the levitation chassis of the trains without excessive assist of other tools, and use is convenient.

The invention discloses a portable tire-burst protecting emergency device for electric vehicles and motorcycles. Under the emergent situations of air leakage and burst of tires of the electric vehicles and the motorcycles, a faulted tire can be placed on the portable tire-burst protecting emergency device; by the device, the tire can be effectively protected from further damage after tire burst of a vehicle, and the vehicle can be labor-saving to push and can move forwards at a low speed when rear driving wheels are undamaged but front tires burst. Further, the device is provided with an adjusting mechanism, so that the device can be applied to tires with different specifications. When not in use, the device can be shortened to reduce size, and then is placed in a trunk or cavity of the vehicle to be carried with the vehicle. The device is reasonable in design, simple in structure, light in shape, safe and reliable.

The present invention provides various embodiments of stands and lift bases capable of supporting various objects above a support surface. The stands and lift bases are configurable between a stationary and mobile configurations. The stands may include a frame and a top adapted to support various objects, and the lift bases may include a base adapted support a stationary stand. Embodiments of the stands and lift bases include a lift device that can be operated to engage or disengage wheels or rollers with the support surface to place the stand or base in stationary and mobile configurations. When in the mobile configuration, the stand or lift base is rollingly supported on the wheels or rollers. Some embodiments of the stands and lift bases also include locking devices that allow the user to fix the stand or lift base in the mobile and / or stationary configurations.

The invention provides an automobile vehicle pusher system, a hybrid or an electrical propulsion vehicle, and a method of reversibly converting a vehicle to hybrid or electrical propulsion. In a preferred aspect the invention provides such a system that can be reversibly connected to a trailer hitch or similar type device at the rear of a vehicle to provide propulsion in whole, or in part, for the vehicle. A further preferred embodiment includes connections and apparatus for charging of the electrical power storage components to provide a plug-in hybrid or plug-in electric only vehicle.

The invention discloses a carrying machine and a carrying method thereof. The carrying machine comprises a main rack, wherein clamping units are arranged on two sides of the main rack, each clamping unit comprises a front clamping arm and a rear clamping arm, the front clamping arm is a rotary mechanical arm and is driven by a driving unit to achieve rotary unfolding or closing movement of the main rack, the rear clamping arm is rotation and translation combined mechanism arm and is driven by the driving unit to achieve movement in the front-back direction of the main rack and rotary unfoldingor closing movement with respect to the main rack. By unfolding and locking the front clamping arm, the rear clamping arm is unfolded and locked and then moves towards the front clamping arm, and a wheel is clamped and lifted. The carrying machine is small in size and can enter a vehicle bottom from the position between front and rear shafts of a vehicle. The clamping arms are arranged tilting toone side, and when two carrying machines perform cooperative work to clamp a vehicle, different clamping modes can be adopted to adapt to different occasions.

A ground handling system for an airship which comprises a first track system to allow a plurality of docking carts to move from a hangar to a weathervane / launching / landing ring R. The docking carts are configured to complete a second track system. Carried by each of the docking carts is a mooring cart that carries a mooring structure. Upon the completion of the second track system by each of the docking carts, the mooring carts are able to move about the second track system. Thereby allowing the airship to be oriented in a desired manner to facilitate its launch or landing.