2772results about "Trolleys" patented technology

A body-weight support system that allows individuals with severe gait impairments to practice over-ground walking in a safe, controlled manner is disclosed. The system includes a body-weight support system that rides along a driven trolley and can be controlled in response to the movement of the subject using the system.

A traveling mechanism for a lifting device, especially for a lifting device having a laterally cantilevering boom, is movable on rails with at least two running wheels. A connection element for attaching a load to said traveling mechanism is supported in the rail by the running wheels which are arranged on both sides of the connection element. The connection element has, at the region projecting down out of the rail, at least one running roller which is freely rotatable about a horizontal axis and rolls on a horizontal outer running surface of the rail. To effectively divert horizontal forces and uniformly distribute the vertical forces to the running wheels, running wheel axles are rigidly connected with a running wheel carrier, and the running wheel carrier and connection element are swivelably connected by a universal type joint. In addition, at least one support roller is rotatably mounted at the connection element in the interior of the rail. The support roller freely rotates about a vertical axis and rolls along at least one of the side surfaces to transmit horizontal forces to the rail.

A transport system for transporting transport containers storing articles in a sealed condition is disclosed. Each transport container has a support portion formed on an upper portion thereof. When the transport container is moved with the support portion suspended, a receiving device supports the bottom of the transport container to lessen the load applied to the support portion. As a result, deformation of the transport container is restrained to maintained the sealed condition.

A gantry crane has first and second side support frames spaced by a pair of trolley beams. A load lifting mechanism is connected to the trolley beams and includes a lift frame for engaging a load to be lifted. An operator cab is mounted on the first side support frame and is vertically moveable between a lowermost position and an uppermost position in an operational plane defined by the first side support frame. A cab lift cable has a length and a first end fixed to the operator cab and a second end fixed to the side support frame. A hydraulic cylinder urges the cable between its fixed first and second ends in a direction transverse to a portion of its length. In another embodiment of the invention, an operator cab is adapted to be horizontally moveable. The elevating operator cab of the present invention can be configured to move horizontally. The elevating operator cab is lifted by a carriage beam vertically moveable along vertical legs of the first side support frame. The operator cab is moveable horizontally along the carriage beam.

A hub and distribution system (600) is disclosed. It comprises the steps of: delivering (602) a container via rail to a terminal; assigning (604) a corridor as to where to deliver the container, the corridor including a block of pathways in proximity to a track side location; picking (606) the container from a rail car and placing (608) it in one of the pathways in the corridor; and transporting (610) the container to a desired remote destination. The system provides an efficient, effective and semi-automated post-blocking method, such that each post-blocked group of containers has a similar desired remote destination, so that the containers can be easily located, loaded, handed-off and transported to a desired location.

A crane trolley, especially a single-rail trolley with a short overall height, with a traveling mechanism frame (2) having a hoisting mechanism (1), which can travel by running wheels (3, 3a) on a rail, especially a lower flange (4a) of an essentially horizontal beam (4), wherein at least one running wheel (3a) can be driven, and a friction roller (10) interacting with the driven running wheel (3a) is arranged on the underside (4b) of the rail. In order to create a crane trolley that guarantees a reliable reduction in the slippage of the driven running wheel (3a) with a simple design, a pair of friction rollers (10) is provided, which may be positioned against the underside (4b) of the rail by adjusting the spacing from each other via a common pressing mechanism.

A quadrail ergonomic apparatus includes two or more pathways designed to permit movement in two or more directions mounted to a static object above a surface. One or more carriages designed to move in two or more directions are disposed within the pathways. Each carriage is suspended above the surface from the pathways and capable of maintaining a workload in place and permitting movement of the workload in at least four directions.

An all-weather maintenance system for an offshore wind turbine maintenance program includes a maintenance capsule for transporting tools, parts and maintenance personnel to and from respective wind turbine towers, a maintenance vessel with a capsule support apparatus for transporting capsules supported on board by the capsule support apparatus to and from respective wind turbine towers, and a crane assembly with a trolley for transporting capsules between the respective wind turbine towers and the maintenance vessel.

The invention provides an electric heavy truck battery charging and replacing system. The system comprises a battery box storage platform, a battery to-be-replaced vehicle parking area and a hoistingmechanism, wherein the platform comprises a circulating channel located between the middle and storage areas located on the two sides, the circulating channel is used for transferring a battery box, and providing transfer space; the storage areas are used for storing the battery box, and/or charging the battery box, movable devices are arranged between the storage areas on the two sides and the circulating channel, so that the battery box can move between the circulating channel and the storage areas on the two sides; and the battery to-be-replaced vehicle parking area is used for parking to-be-replaced vehicles, the hoisting mechanism is located above the movable battery box platform and the battery to-be-replaced vehicle parking area and used for lifting the battery box between to-be-replaced battery vehicles and the middle channel to realize the replacement of the battery box of the battery to-be-replaced vehicles. According to the system, the system structure is simplified, the battery replacement time can be controlled to 3 minutes, and the system has the advantages of being small in size, low in cost and the like.

A dual trolley, single boom crane system for loading and unloading containers from ships moored at a dock that effectively doubles the rate of container loading and unloading of conventional prior art single boom crane systems. The present invention also concerns a novel method for retrofitting conventional prior art single boom crane systems to convert them to dual trolley systems, while at the same time retaining the basic geometry of the prior art system so that the same number of multiple cranes may be positioned over the dock side.

In a first aspect, the invention is directed to a manipulator that is relatively compact and has a relatively large range of motion. The manipulator includes a linkage that folds back on itself, which reduces the footprint of the linkage. In a particular embodiment, the manipulator includes a linkage and a load balancing device. The linkage includes a first link, a second link, a third link and a fourth link. The first link and second links are rotatably connected to a base about first and second connection axes. The third and fourth links are connected to the first and second links respectively about third and fourth connection axes respectively. The third and fourth links are rotatably connected to a lift arm about fifth and sixth connection axes respectively, wherein the fifth and sixth connection axes are horizontally displaced from the third and fourth connection axes in the direction of the first and second connection axes. The load balancing device is configured to support the linkage in a selected position against a load and configured to permit the load to be moved upwards or downwards with a selected amount of force on the lift arm. The manipulator may be provided as part of a load maneuvering system that further includes a transport system that may be similar to that used on an overhead crane.

An actuation system includes a bridge crane, a trolley, and an end effector and is configured for moving a payload. A first actuator is operatively connected to the bridge crane. The bridge crane is configured for moving along an X axis in response to the first actuator being actuated. The trolley extends from the bridge crane. A second actuator is operatively connected to the trolley. The trolley is configured for moving along a Y axis in response to the second actuator being actuated. The end effector extends from the trolley and is configured for supporting a payload. A third actuator is operatively connected to the end effector. The end effector is configured for rotating about the Z axis in response to the third actuator being actuated to rotate the end effector. Each actuator is disposed in spaced relationship to the bridge crane, the trolley, and the end effector.

The invention discloses an intelligent agricultural production system based on rail transportation and a use method. The intelligent agricultural production system based on rail transportation comprises a ground rail system, an air rail system, an air rail lifting transportation device, a photographing detecting and online trading system, a harvesting and fertilizing controlling system and a picking and sprinkling irrigation control system. According to the intelligent agricultural production system based on rail transportation and the use method, a unified transportation and working platform is provided for various agricultural machines, and therefore automatic transportation, photographing monitoring, fertilizing, picking, sprinkling irrigation and other work of agricultural products can be achieved, and remote control can be conducted through a mobile control terminal. Meanwhile, real-time online sharing and online trading of agricultural product information between a farmer and a purchaser can be achieved. The intelligent agricultural production system based on rail transportation and the use method are suitable for large farms in China, automatic management and intelligent production of the large farms can be achieved, and the prospect in the future is wide.

Methods and systems for medical imaging are provided. The system includes a gantry assembly having a stator, a first rotor rotatably coupled to the stator, the first rotor configured to rotate about an examination axis at a first rotational speed, and a second rotor rotatably coupled to at least one of the stator and the first rotor, the second rotor configured to rotate about the examination axis at the first and a second rotational speed, the second rotational speed being greater than the first rotational speed, the first and second rotors configured to be locked in position with respect to each other during rotation at the first rotational speed, the first rotor configured to be locked in position with respect to the stator during rotation of the second rotor at the second rotational speed.

A remotely-operated vehicle assembly for picking up storage bins from a storage system and a method for changing vehicle direction includes a body displaying a cavity, a lifting device connected to the body for lifting the bin into the cavity, a displacement arrangement including a displacement motor which provides power to displace one or both of first and second sets of vehicle rolling means between a displaced state where the relevant rolling means is displaced away from the underlying system during use, and a non-displaced state where the relevant rolling means is in contact with the underlying system during use, and driving means coupled to the displacement arrangement. The driving means further includes first and second sets of rolling means connected to the body allowing movement of the vehicle along first and second directions, respectively, within the system. The first and second directions are perpendicular.

A multidimensional positioning system including a first block assembly including a fixed first block portion and a moveable second block portion. A first travel cable is arranged on pulleys operatively connected to the first block portion, the second block portion and a predetermined location. The first travel cable is affixed to a base supporting a load. A first travel drive is operatively connected to the first travel cable to facilitate movement of the base in a second travel direction. A first lift drive is arranged and disposed to provide movement of the second block portion relative to the first block portion to selectively alter the length of the first travel cable in a working space and selectively move the base in a first travel direction.

The invention discloses a automatic material lifting system, it includes a transporting trail(crown block trail), a transporting vehicle(crown block) and a storage. The transporting vehicle can move on the trail. The storage includes a taking and putting part, which is in the storage. The transporting trail enters into the storage, and overlaps with the taking and putting part, when the transporting vehicle is in the taking and putting part, the moving loading machine puttes the material into the transporting vehicle.

A traveling highline aerial cable rail system for moving objects over large distances in three-dimensional space. A pair of track dollies mounted beneath substantially parallel and distantly separated support trusses allow the entire load bearing highline itself to traverse X-axis space. The highline defines the Y-axis of the system and supports a skate that moves along this axis. A platform suspended from the skate moves vertically in the Z-axis and can support extremely heavy loads depending on the gauge of the rope used in the system. A three motor pulley system with a multiplicity of sheaves allow independent movement of all three axes. The system can move objects weighing thousands of pounds stably at 60 miles per hour or more through three-dimensional space. The system can be modularly widened along the X-axis by adding truss sections, and the highline can be configured to up to 1000 feet or more, using rope that can support several tons or more. The Z-axis displacement can be multiplied via a pulley arrangement.