1498results about "Runways" patented technology

A port storage and distribution system for facilitating the transfer and / or storage of international shipping containers between container ships and ground transport carriers wherein an overhead grid guide track structure is provide that permits overhead transfer units to selectively engage and convey containers as required between the various ships, carriers and storage area without requiring multiple transfers of containers between different handling equipment. The system provides for container scanning and is either fully automated or partially manually controlled.

Magnetic circuit that has (a) a source of magnetic flux which includes an electromagnet or one or more permanent magnets, (b) at least two oppositely polarisable pole extension bodies associated with the magnetic flux source, the bodies being disc, wheel, roller or similarly shaped with an outer circumferential surface and held rotatable about respective axes of rotation, and (c) a ferromagnetic counter body which is arranged to cooperate with the pole extension bodies such as to provide an external flux path for the magnetic flux when in magnetic proximity or contact with the circumferential surface of the pole extension bodies, which is characterised in that the magnetic flux source is held stationary relative to the rotatable pole extension bodies.

A port storage and distribution system for facilitating the transfer and / or storage of international shipping containers between container ships and ground transport carriers wherein an overhead grid guide track structure is provide that permits overhead transfer units to selectively engage and convey containers as required between the various ships, carriers and storage area without requiring multiple transfers of containers between different handling equipment. The system provides for container scanning and is either fully automated or partially manually controlled.

A port storage and distribution system for facilitating the transfer and / or storage of international shipping containers between container ships and ground transport carriers wherein an overhead grid guide track structure is provide that permits overhead transfer units to selectively engage and convey containers as required between the various ships, carriers and storage area without requiring multiple transfers of containers between different handling equipment. The system provides for container scanning and is either fully automated or partially manually controlled.

Magnetic circuit that has (a) a source of magnetic flux which includes an electromagnet or one or more permanent magnets, (b) at least two oppositely polarisable pole extension bodies associated with the magnetic flux source, the bodies being disc, wheel, roller or similarly shaped with an outer circumferential surface and held rotatable about respective axes of rotation, and (c) a ferromagnetic counter body which is arranged to cooperate with the pole extension bodies such as to provide an external flux path for the magnetic flux when in magnetic proximity or contact with the circumferential surface of the pole extension bodies, which is characterised in that the magnetic flux source is held stationary relative to the rotatable pole extension bodies.

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.

The invention is concerned with an assembled and seal method of box crane beam with ring type orbit using for nuclear power plant, belonging to the establishment construction technology field of nuclear power plant. It relates to rectification of stuff, sealing inner and outside webs and clapboard, sealing upper and down wing edge and the inner and outside webs, sealing stiffened panel, sealing end plate and the rectify after seal. Assemble and seal the web and inner muscle plate to a type of H to reduce the distortion and keep the seal quality, while the temporary backboard controls the final seal distortion when sealing the end plate. It will control the distortion effectively to reach the demand of the first level of nuclear quality and nuclear safety through easy adjustment of circle crane beam after sealed with steady quality.

A vessel having the capability of storing, transporting, and installing between one and ten wind turbines is provided. Such a vessel includes a hull having a hull periphery. The vessel further includes at least two rear jack-up legs, and at least one forward jack-up leg, movably attached to the hull, as well as a jacking mechanism connected to each of the jack-up legs for elevating and lowering each jack-up leg relative to the hull between elevated and lowered positions. The vessel also includes at least two rear azimuthing thrusters affixed to a lower side of the transom; and at least one front azimuthing thruster affixed to a lower side of the bow. The vessel further includes at least four, preferably at least six, wind-turbine-column foundations, and at least two wind-turbine-blade brackets individually mounted to the side of the transport vessel.

The invention discloses a rail transfer device. The device comprises a traveling mechanism comprising steel wheels, a first gyration mechanism connecting a saddle beam and the driving mechanism, a first gyration driving mechanism and a jacking-up mechanism, wherein the first gyration mechanism can rotatablely connect the traveling mechanism and the saddle beam; the first gyration driving mechanism can drive the driving mechanism to rotate relative to the saddle beam; the jacking-up mechanism is a jacking-up hydraulic cylinder comprising a cylinder body and a piston; the cylinder body and the saddle beam are relatively fixed; the outer end of the piston is provided with support legs; when the piston of the jacking-up hydraulic cylinder extends out, the support legs can jack the saddle beam up; and the device also comprises a grasping mechanism capable of grasping movable rails. In addition, the invention also discloses a rail transfer connecting device, a rail-type gantry crane transfer system and a transfer method thereof. The rail transfer device provided by the invention can realize the automation of transfer operation and improve the working efficiency of the transfer operation.

An arrangement scheme for the container dock features that the arranging direction of the containers in stack field is perpendicular to that of the containers on ship. Its system is composed of coast hoister, the low bridge unit consisting of track, flat trucks, and monkey for loading or unload of said flat trucks, the transfer carrier system consisting of track and transfer carrier, and the hoister for stack field.

The invention relates to an air flotation device following the motion trail of a lifting point at an overlength distance without being influenced by the disturbing force of an air tube, comprising an air flotation shaft, an air flotation sleeve and a guide track, wherein the air flotation sleeve is sleeved on the air flotation shaft and comprises a left air flotation sleeve and a right air flotation sleeve; the left air flotation sleeve is sleeved at the left side of the air flotation shaft, and the right air flotation sleeve is sleeved at the right side of the air flotation shaft; the middle of the air flotation shaft is provided with a lifting bed; the lifting bed is connected with a lifting rope; the lifting rope moves along with a motion member; a slide block is slidably arranged on the guide track and is fixedly connected with the left air flotation sleeve and the right air flotation sleeve; the slide block is connected with a main air tube; the main air tube is communicated with a left branched air tube and a right branched air tube; the left branched air tube is connected with the left air flotation sleeve, and the right branched air tube is connected with the right air flotation sleeve. The air flotation device effectively prevents the resistance influence generated by the air tube in the frictionless motion process of an air flotation assembly along with the motion member, has good reliability and follows the motion trail of the lifting point at the overlength distance without being influenced by the disturbing force of the air tube.

Disclosed herein relates to an enclosure-to-rail retaining system. The system includes, a rail that is fastenable to a structure, and an enclosure that is receptive of the rail. The enclosure has a slot therein that intersects a channel therein and is slidably engagable by a clip such that a portion of the clip can extend into the channel to thereby narrow a portion of the channel to a dimension less than a width of the rail.

The invention relates to a construction method, in particular to a method for installing super-large crane beams, solving the technical problems of the prior art in the installation of large-span and large-mass crane beams. The method for installing the super-large crane beams comprises the following steps: a temporary bracket is first put up on the ground at one third of the span of a crane beam installation position; a crane beam is assembled on site; a left-segment crane beam component and a middle-segment crane beam component which are welded together are integrally lifted in place by use of two cranes; the left-segment crane beam component is partially fixed with a steel column connecting part; the other end of the middle-segment crane beam component falls on the bracket; a right-segment crane beam component is lifted to the height in accordance with the middle-segment crane beam component by use of another crane; and the right-segment crane beam component and the middle-segment crane beam component are paired and welded in the air. The method is applicable to the installation of the crane beam of which the length is over 60 meters and the mass is over 220 tons. The method has the advantages of high safety performance, short construction period, convenient construction operation and good engineering quality.

The invention relates to a multifunctional combined type lifting framework which is a heavy-duty hoisting steel structure designed by combining the installation and construction requirements of large scale equipment in power industry. The lifting framework mainly comprises a moving rack 1, a fixing rack 2, a track girder 3, auxiliary components, etc; wherein, the moving rack 1 is arranged at the installing position of a steel wire type hydraulic lifting device to realize horizontal shifting of a lifted part 4; the fixing rack 2 is installed at the outer side of the end part of a steam turbine building 5 to support the moving rack 1; the track girder 3 is installed on an upright post 6 of the steam turbine building for providing a travelling track for the moving rack 1; the auxiliary components are used for installing steam drums, main transformers, etc. The multifunctional combined type lifting framework has the characteristics of multiple functions, various combining forms and the like, can meet the installing needs of stators, the steam drums, the main transformers and the like of all levels of thermal generator sets with of 1000MW and below when being matched with the steel wire type hydraulic lifting device, and has the advantages of safety and reliability, convenient assembly and transportation, high construction efficiency and the like, thus providing a brand-new solution for the installation of the large scale electrical power units.

An overhead traveling and transporting system includes a transporting carriage traveling along a track. The carriage has a gripping mechanism to grip an object, a hoisting mechanism to move down the gripping mechanism to a load port for the object, and a sensor emitting a light beam within a pseudo plane surface and receiving a reflection thereof. The system also has: a device for monitoring an obstacle existing in an emission direction of the emitted light beam, based on the reflected light; and a selecting device for establishing one condition that the obstacle existing forward in the traveling direction is monitored if the transporting carriage is traveling and establishing another condition that the obstacle existing downward from the transporting carriage is monitored if the gripping mechanism is moved down, by selecting the direction of emission and / or selecting an area of monitoring by the monitoring device.

An ID tag describing control data on a stopped position for each station 10, movement required for a transfer, and the like is installed in front of the station 10. An overhead vehicle 8 reads the control data and uses it for stoppage and transfer. The overhead vehicle 8 need not store the stoppage or transfer control data for each station 10. Further, the control data can be changed without updating the storage in the overhead vehicle 8.

In one aspect, the invention is directed to an overhead crane with one or more bridge rails, that incorporates a reinforcement truss into its one or more bridge rails so as to reduce the overall mass of the one or more bridge rails. This facilitates movement of a load carried by the bridge by an operator to a destination point, particularly in embodiments wherein the one or more bridge rails do not have any bridge drive motors thereon. Reducing the mass of the bridge can increase the amount of lifted load that can comfortably be maneuvered by an operator, particularly when the bridge is manually moved along the runway. Additionally, reducing the mass of the bridge reduces the momentum associated with the bridge, which can increase the amount of control that the operator has when it is desired to stop the bridge when the load has been maneuvered to its desired destination point. The second reinforcement members may have first and second ends that are inserted into receiving apertures in the first reinforcement member and in a bracket that mounts to the bridge rail respectively. In embodiments wherein the bridge includes two rails and is capable of supporting a load in such a way as to generate a downward force that is offset from the bridge axis, the second reinforcement members may be connected to the first reinforcement member and to brackets in such a way as to prevent the withdrawal of the second reinforcement members from the receiving apertures.

A device for the suspension of a rail, especially of a hollow-section rail which opens downward in a suspension crane, includes a carrying apparatus with a traction element which has two ends. One of the ends of the traction element may be fasten to the rail. To provide a rigid suspension of a rail in which horizontal forces, especially pulse-like horizontal forces, are extensively damped, the device includes a rubber-metal element connected between the carrying apparatus and the traction element with two substantially horizontal metal carriers arranged at a distance from one another. A rubber or elastic element is fastened to the inner surfaces of the metal carriers, which inner surfaces face one another. The carrying apparatus is fixedly connected with the lower metal carrier and the other end of the traction element is fixedly connected with the upper metal carrier.

Travelling carrier delivery equipment includes a delivery unit for transferring a travelling carrier that has no self-running means between a movable rail and a main rail by means of external friction-driven, and the travelling carrier is provided with a friction driving surface across its entire length, the delivery unit has a friction drive wheel and friction drive wheel moving means, the friction drive wheel is provided on the movable rail and is switchable between a driving state, in that it propels the travelling carrier via the friction driving surface and a driving release state, and the friction drive wheel moving means reciprocates the friction drive wheel between a retreating position (R), at which the friction drive wheel can be made to contact with the friction driving surface of the travelling carrier supported on the movable rail and a forwarding position (F), at which the friction drive wheel can be made to contact with the friction driving surface of the travelling carrier supported on the main rail.

A lifting assembly comprising parallel guides (18, 20), a carriage (26, 28) associated with each parallel guide (18, 20) and movable along the length of the parallel guides, a displacement arm (40) pivotally connected to each carriage (26, 28) and pivotally supporting a bridge (14), preferably a trolley (13) located on the bridge (14) including attachment means (12) for supporting a lifting device.

A hoist support system includes a rail assembly having a rail along which a motor assembly is translatable by actuation of a motor of the motor assembly. The motor assembly is adapted to support a hoist and is communicatively coupled to a control system. The control system is adapted to measure motion of a slung load coupled to the hoist and to determine whether and to what extent the slung load is swinging or otherwise unstable. In response to such measurements, the control system transmits control signals to the motor of the motor assembly to change the position of the motor assembly along the rail and attenuate the motion of the slung load.

A service crane for a wind turbine comprising a main crane beam (128) having a track (154) that accommodates a trolley (156). A hinge (144) is provided at a pivot point (148) near a proximate end of the main beam (128), such that an aft portion of the main beam (128) extends beyond the pivot point (148) to the exterior of the turbine. A distal end of the main beam (128) rests upon a forward beam. A lateral motion actuator (134) moves the main beam (128) back and forth along the forward beam. The trolley (156) runs back and forth along the main beam (128). A turbine component is attached to a hook lowered by cable from the trolley (156). The trolley (156) with the component on the hook is moved to the aft portion of the main beam (128), which extends beyond the turbine. The hook is lowered to the ground so that the component can be serviced or replaced.

The invention discloses an anti-shaking electric hoist, which comprises two bases, the top of the base is plugged with a column, the top of the column is sleeved with a top arm, the bottom of the top arm is provided with a chute, and the chute is slidably connected with a walking Wheel, one side of the walking wheel is equipped with a lifting frame, and the inner cavity of the lifting frame is movably equipped with a rotating shaft. The present invention sets the fixed seat, the groove, the sliding rod, the sliding sleeve and the telescopic spring, first lifts the heavy object through the hook, then turns on the lifting motor, drives the rotating shaft to rotate, and then drives the lifting rope to wind up, thereby lifting the heavy object , when the weight rises, the guide wheel on the fixed seat rises accordingly, and then the pull rope rises together. When the pull rope rises, it will drive the elastic rope to stretch, and then make the sliding sleeve go up and down on the sliding rod. Sliding, so that the telescopic spring is stretched, the fixed seat is fixed by the pull cord to prevent the fixed seat from shaking left and right, and the energy generated when shaking can be absorbed by the elastic cord and the telescopic spring.

A multi-display system includes a plurality of display apparatuses capable of mutual data communication, and at least one of the plurality of display apparatuses receives predetermined control information from a user and transmits the control information to another display apparatus. The display apparatus can be remotely controlled without a central computer.

A method and apparatus for conducting an overhead crane runway system survey uses a survey apparatus that is alternately pushed or pulled by an overhead crane. The survey apparatus, having a wheeled carriage, includes survey sighting targets, e.g., prisms, that are visible to survey personnel on the ground. XYZ data is there collected and a rail alignment profile, a rail elevation profile, a rail span profile, and / or a crane skew profile may be generated. The data and profiles generated may reviewed to ascertain whether the overhead rails conform to alignment specifications. Further, crane skew data may be reviewed to determine whether the crane itself may be misaligned.

A method and apparatus for conducting an overhead crane runway system survey uses a survey apparatus that is alternately pushed or pulled by an overhead crane. The survey apparatus, having a wheeled carriage, includes survey sighting targets, e.g., prisms, that are visible to survey personnel on the ground. XYZ data is there collected and a rail alignment profile, a rail elevation profile, a rail span profile, and / or a crane skew profile may be generated. The data and profiles generated may reviewed to ascertain whether the overhead rails conform to alignment specifications. Further, crane skew data may be reviewed to determine whether the crane itself may be misaligned.

The invention discloses an expandable gantry crane frame. The expandable gantry crane frame comprises a main beam, wherein a pair of vertical pillars are arranged on two sides of the main beam respectively, a main lifting device is arranged at the lower end of the main beam, and a driving end of the main lifting device is fixedly connected with the upper ends of the vertical pillars; main supportsare arranged at the lower ends of the vertical pillars, and auxiliary supports are hinged and mounted on the outer sides of the main supports; connecting rods are hinged and mounted between the auxiliary supports and the vertical pillars, and auxiliary support resetting devices are arranged in the connecting rods. The mobile distance of a second mobile seat can be extended by use of extending auxiliary beams. According to the device, the support stability of the lower ends of the vertical pillars can be increased through the auxiliary supports, and during transportation, and space occupationof the auxiliary supports can be saved through folding. The device also can transport articles outside the device by use of a second lifting hook through matching of an auxiliary guide rail driving motor and a third mobile seat, so that the article transportation demand is better met, and the trouble of manual carrying is avoided.

The invention relates to a construction device for a cable-stayed bridge, in particular to a bridge floor crane for the cable-stayed bridge. The bridge floor crane for the cable-stayed bridge comprises two sets of main trusses arranged oppositely, a craning system arranged above the main trusses and a walking system arranged below the main trusses, wherein the walking system comprises a main track laid on a mounted steel beam and a walking device in sliding fit with the main track, and an upper layer and lower layer structure is adopted by the main trusses. The bridge floor crane for the cable-stayed bridge further comprises a supporting system arranged on the lower portions of the main trusses, a rear anchoring system arranged on the outer sides of the two sets of the main trusses, a balance weight device and a safety device, the balance weight device and the safety device are arranged at the rear ends of the main trusses, and the supporting system comprises a middle supporting device arranged in the middles of the main trusses and a temporary supporting device arranged at the front ends of the main trusses. Through the adoption of the technical scheme, the bridge floor crane for the cable-stayed bridge has the advantages of being proper in craning height, strong in bearing capacity, good in construction stability, high in construction efficiency and high in safety.