365results about "Vehicle fittings for lifting and manoeuvring" patented technology

An apparatus for supporting a trailer of a tractor semitrailer has a supporting element that is telescopically adjustable by way of a gear shifting mechanism having a gear input shaft running vertically onto a spindle. In this way, the supporting element has an especially compact construction and can be installed very easily. The gear shift also has a free floating gear between two shift positions and can be shifted very conveniently.

The invention relates to a safety brake system. The safety brake system comprises a power source and at least one resistance mechanism. The resistance mechanism comprises a telescopic supporting mechanism and a friction assembly. Each telescopic supporting mechanism comprises a first telescopic cylinder hinged to and arranged on a connecting piece, wherein the lower end of a telescopic rod of the first telescopic cylinder is hinged to an installation plate of the friction assembly, a draw and pull rod is hinged to the upper surface of a friction plate, the upper end of the draw and pull rod is hinged to and arranged on the connecting piece, and a triangular structure is defined by the draw and pull rod, the telescopic rod of the first telescopic cylinder and the connecting piece on the upper portion. The invention further relates to a motor vehicle. The safety brake system is adopted for the motor vehicle and arranged on a chassis of the motor vehicle. Under the condition that brake failure happens to the motor vehicle or the vehicle is out of control or a vehicle-mounted brake system can not meet the requirement for braking, strong speed reduction braking can be rapidly achieved by starting the safety brake system, and therefore the brake distance can be shortened; in addition, the safety brake system has the advantages of being stable in traveling, safe, capable of preventing thievery, beneficial to motor vehicle overhauling, capable of protecting the chassis, and the like.

A connector assembly for mounting on a connector arm of a trailer to facilitate easy alignment of the trailer connector arm with a hitch of a towing vehicle. The connector assembly can move the connector arm up and down, side-to-side and drive forward and reverse in relation to the towing vehicle.

A vehicle lateral-motion apparatus that, under the direction of a user, moves a vehicle to which it is mounted in a generally perpendicular direction to a vehicle axis that extends between the front and rear of the vehicle includes a vehicle lifting assembly for elevating the vehicle above a roadway and lowering the vehicle back to the roadway as directed by a user and lateral-motion assembly coupled to the lifting assembly for displacing the vehicle to one side or the other of the vehicle axis while the vehicle is elevated above the roadway.

A power unit includes an engine having a crankshaft, and a continuously variable transmission having a drive pulley operatively connected with the crankshaft, a driven pulley, and a belt extended between and wrapped around the drive pulley and the driven pulley. The power unit further includes a transmission input clutch, which allows or interrupts the transmission of a rotational drive force of the crankshaft to the drive pulley, mounted on a drive pulley shaft; and a starter clutch, which allows or interrupts the transmission of a rotational drive force of the driven pulley to the drive wheel, mounted on a driven pulley shaft. The transmission input clutch and the starter clutch are arranged such that a continuously variable transmission is sandwiched therebetween.

A parking assistance system includes front and rear auxiliary wheel assemblies mounted to a chassis of the vehicle and adjacent front and rear wheels of the vehicle. Each of the front and rear auxiliary wheel assemblies includes two auxiliary wheels and an auxiliary motor coupled to the auxiliary wheels for driving the auxiliary wheels to rotate in a forward or backward direction. A plurality of lift devices are mounted between the auxiliary wheels and the chassis and control upward and downward movement of the auxiliary wheels. At least one parking assistance controller is coupled to the auxiliary motors. A control unit is coupled to the at least one parking assistance controller and manually operable to control a rotating direction and speed of the auxiliary motors via the at least one parking assistance controller, controlling a moving distance and direction of the auxiliary wheels in the forward or backward direction.

A power unit includes an engine having a crankshaft, and a continuously variable transmission having a drive pulley operatively connected with the crankshaft, a driven pulley, and a belt extended between and wrapped around the drive pulley and the driven pulley. The power unit further includes a transmission input clutch, which allows or interrupts the transmission of a rotational drive force of the crankshaft to the drive pulley, mounted on a drive pulley shaft; and a starter clutch, which allows or interrupts the transmission of a rotational drive force of the driven pulley to the drive wheel, mounted on a driven pulley shaft. The transmission input clutch and the starter clutch are arranged such that a continuously variable transmission is sandwiched therebetween.

A lever actuated jack may be mounted to a trailer. An inner jack tube slidably engages the outer jack tube. A lever is attached to the upper end of the inner jack tube, or to an inner support bracket that communicates with an upper portion of the inner jack tube. The lever is pivoted, applying a downward force to the inner jack tube, which pushes the tongue of the trailer up to elevate the tongue of the trailer as required. The lever is sufficiently long to provide adequate mechanical advantage to force the tongue of a loaded trailer upwardly the required distance. The lever may be pivoted in the opposite direction to lower the tongue of the trailer by pulling the inner jack tube within the outer jack tube.

Landing gear for selectively supporting a semitrailer and a method of assembly of the landing gear is provided. The landing gear includes a leg having an upper section and a lower section telescopingly received in the upper section. A lead screw extends and retracts the upper and lower sections relative to each other upon rotation thereof. An input shaft applies a torque to the lead screw to drive rotation thereof, the input shaft being rotatable about a rotation axis and movable in translation along the rotation axis for shifting between a first position for low gear operation and a second position for high gear operation. An output shaft, axially aligned with the input shaft, has an output gear for transmitting torque to the lead screw. A gearing subassembly is received in the upper leg section and is configured to augment lift when the input shaft is in the first position and augment speed in the second position.

The invention discloses a device for automobile parking by side and U turn in situ. The device comprises brackets, turning wheels and an electrical control system thereof. The device is characterized in that the brackets are a pair of fixing mounts on the same level; the turning wheels are a pair of electrical wheels which are arranged on the fixing mounts and can be lifted simultaneously; electrical pushing rods are arranged on the electrical wheels, and the electrical wheels are connected with the electrical pushing rods through a connecting rod at a certain angle; and the corner of the connecting rod is hinged with the fixing mounts. The device is fixedly arranged on the tail of the automobile generally, and can also be arranged on the head and the tail of the automobile simultaneously. The device can finish one-time parking by side at minimum spacing safely and conveniently, reduce parking areas and solve the problem of parking difficulty on the side of the road with a simple structure and at lower production cost. The device can also assist the vehicle in turning or U turning in situ on the road with the radius less than the automobile turning radius.

Various embodiments of the wheel positioning assembly are adapted for facilitating the insertion of a cart into an enclosure. In certain embodiments, the cart comprises: (1) first and second fixed front wheels that are disposed adjacent opposite front lateral sides of the cart; and (2) first and second swiveled rear wheels disposed adjacent opposite lateral side of the cart. In various embodiments, the wheel positioning assembly comprises: (1) a first wheel guide for physically guiding the first, fixed front wheel into a desired first-front-wheel position in which the first front wheel is disposed within the dispenser and adjacent a first wheel barrier; and (2) a locking mechanism for selectively maintaining the second rear wheel in a desired second-rear-wheel position within the dispenser. The first wheel barrier and the locking mechanism may selectively cooperate to physically prevent removal of the cart from the enclosure.

Landing gear for selectively supporting a semitrailer and a method of assembly of the landing gear is provided. The landing gear includes a leg having an upper section and a lower section telescopingly received in the upper section. A lead screw extends and retracts the upper and lower sections relative to each other upon rotation thereof. An input shaft applies a torque to the lead screw to drive rotation thereof, the input shaft being rotatable about a rotation axis and movable in translation along the rotation axis for shifting between a first position for low gear operation and a second position for high gear operation. An output shaft, axially aligned with the input shaft, has an output gear for transmitting torque to the lead screw. A gearing subassembly is received in the upper leg section and is configured to augment lift when the input shaft is in the first position and augment speed in the second position.

A vehicle parking assisting system detects an obstacle by sonar devices, and displays it as a present detection position and a past detection point on a display device in an overlapping manner with a combined birds-eye view image. The present detection point is displayed as a series of dots extending from a predetermined position in a fan-shaped detection area in an arcuate shape along a detection area of the sonar devices, and the past detection point is displayed as a single dot located at the predetermined position in the fan-shaped detection area.

The invention discloses a vehicle-mounted mooring system for large and medium-sized captive balloons. The vehicle-mounted mooring system for the large and medium-sized captive balloons comprises a mooring module, a mooring tower module and a tail platform module, wherein through adoption of a square cabin with an internal framework structure, bearing requirements are satisfied and the height in a transporting state does not exceed the limit on the premise of ensuring available working height in the cabin; through adoptions of a rotating and folding type anti-overturning outrigger and a tail extended outrigger which is concealed in a semi-trailer girder, a distance between a front supporting point and a rear supporting point and a distance between a left supporting point and a right supporting point can be greatly increased to satisfy index requirements on wind resistance ability and stability of the large-sized captive balloon and satisfy that the large-sized captive balloon in a folded state can adapt to dimension limitation of highway transportation; and as a telescopic platform is included in the tail platform, a distance between mooring points in front of and behind the mooring system reaches more than 30 m after the tail platform is spliced with the square cabin so that the mooring system can be used for mooring more than 10000 m3 captive balloons. A problem that positional captive balloons cannot be transported to other sites due to suffering geographical limitations of preset positions is solved; and a problem that the use performance and function of the traditional vehicle-mounted captive balloon are limited due to small balloon volume is also solved.

Various embodiments of the wheel positioning assembly are adapted for facilitating the insertion of a cart into an enclosure. In certain embodiments, the cart comprises: (1) first and second fixed front wheels that are disposed adjacent opposite front lateral sides of the cart; and (2) first and second swiveled rear wheels disposed adjacent opposite lateral side of the cart. In various embodiments, the wheel positioning assembly comprises: (1) a first wheel guide for physically guiding the first, fixed front wheel into a desired first-front-wheel position in which the first front wheel is disposed within the dispenser and adjacent a first wheel barrier; and (2) a locking mechanism for selectively maintaining the second rear wheel in a desired second-rear-wheel position within the dispenser. The first wheel barrier and the locking mechanism may selectively cooperate to physically prevent removal of the cart from the enclosure.

A screw jack assembly (10) for a towed vehicle (100) has a spring housing (30) and a leg section (20) (which may be fitted with a castoring jockey wheel (120) or foot (130) in telescopic relationship, and a compression spring (40) is compressed so that the position of the spring housing (30) relative to weight indicating indicia (20) on the leg section (20) can indicate the tongue weight of the towed vehicle (100). By locking the spring housing (30) and leg section (20) together, a crank shaft (50) can move a main housing (80) relative to the leg section (20) to enable the assembly (60) to raise and lower the vehicle (100) in the manner of a conventional screw jack assembly.

The invention discloses a fixed lifting device for assembling auto parts. The fixed lifting device comprises a fixed base, a fixed platform and an operating platform; the bottom of the fixed base is connected with idler wheels, and the top of the fixed base is connected with the fixed platform through telescopic shock absorption devices; a connecting rod is connected between the fixed base and thefixed platform in a hinge mode, and expansion boards are connected inside the fixed platform in a sliding mode; lifting air cylinders are connected with two sides of the surface of the fixed base ina hinge mode; piston rods of the lifting air cylinders are connected with the tail ends of the expansion boards in a hinged mode; limited blocks are fixedly connected with the tail ends of the expansion boards; the bottom of the limited blocks are fixedly connected with fixed canisters, threaded rods are arranged inside the fixed canisters in a threaded mode; the bottom of the threaded rod are welded with fixed feet; the surface of the fixed platform is welding with the operating platform; and the surface of the operation platform is connected with clamping devices. The fixed and lifting device is used to clamp and fix the auto parts, so as to be convenient for the assembly between auto parts; the acreage of the fixed platform is enlarged by the lifting cylinder coordinating with the expansion plate, the height of the fixed platform is capable of being adjusted, use for people is convenient, and the stability performance is good.

A jack assembly for adjusting the height of a trailer is provided. The jack assembly is moveable between an operable and a stowed position. The assembly includes a tube having a slot portion and a slide block moveable within the slot portion. A post connected to the slide block protrudes through an opening in the slot portion to engage a clamping mechanism. The clamping mechanism is movable between a clamped position where the slide block is clamped to the tube to prevent the jack from moving, and an unclamped position where the slide block is movable within the slot portion to allow the jack assembly to be moved between an operable position and a stowed position.

A parking assist apparatus includes an initial traveling locus calculator for calculating an initial traveling locus, a new traveling locus calculating a new traveling locus when a deviation amount of the present vehicle position from a current traveling locus is equal to or greater than a first predetermined value, and a parking assist for performing a parking assist to guide the vehicle along the traveling locus. The parking assist apparatus further includes an initial traveling locus deviation calculator for calculating the deviation amount of the present vehicle position from the initial traveling locus generated by the calculation of the initial traveling locus calculator. The parking assist stops performing the parking assist when the deviation amount calculated by the initial traveling locus deviation calculator is equal to or greater than a second predetermined value which is smaller than the fist predetermined value.

A powered maneuverable and retractable trailer jack adapted for attachment to a tongue of a trailer has an external sleeve, a gear rack on an exterior of the external sleeve, a housing containing at least one gear engaged with the gear rack and operative to move the external sleeve relative to the housing, the housing including a mount configured for attachment to the tongue of a trailer whereby the external sleeve is laterally offset relative to the tongue of a trailer, an internal rod within the external sleeve, the internal rod extending through a wheel fork at a lower distal end of the internal rod and the external sleeve and attached to a drive gear which is engaged with a shaft gear upon a drive shaft rotationally mounted in the wheel fork, and a drive sprocket attached to the drive shaft, a wheel mounted upon an axle rotationally mounted within the wheel fork, and a wheel sprocket attached to the axle proximate to the wheel, and a chain which extends continuously from the wheel sprocket to the drive sprocket; the lateral offset of the trailer jack relative to the trailer tongue being equal to or greater than a width of the wheel fork.

A hospital bed includes a carrier frame, a driven wheel unit disposed below the frame, a motor unit, a drive wheel unit disposed below the frame and coupled operably to the motor unit in such a manner that actuation of the motor unit results in rotation of the drive wheel unit. A lifting-and-lowering device interconnects the frame and the drive wheel unit for lowering and lifting the drive wheel unit with respect to the driven wheel unit between an upper position, in which, the drive wheel unit is disposed at an elevation above the driven wheel unit, and a lower position, in which lower surfaces of the driven and drive wheel units are flush with each other.

An apparatus for controlling driving forces supplied to left and right wheels of a vehicle, for effectively inhibiting oversteer and understeer states, includes driving force adjusting device for adjusting driving forces supplied to the left and the right rear wheels, first controlling device for controlling the driving force adjusting device such that a wheel speed difference between the left and the right rear wheels coincides with a target wheel speed difference, and second controlling device for controlling the driving force adjusting device such that a yaw momentum of the vehicle coincides with a target yaw momentum. If the vehicle is in an understeer state, the contribution of the second controlling device is increased relative to that the first controlling device and if the vehicle is in an oversteer state, the contribution of the first controlling device is increased relative to that of the second controlling device.