3283results about "Travelling gear" patented technology

Disclosed is a gas detection system and method using a smart phone. The gas detection system includes a sensor module detachably mounted to the smart phone and configured to detect and measure a combustible gas or a toxic gas; and a gas detection APP installed inside the smart phone and configured to acquire measurement data by detecting the combustible gas or the toxic gas and measuring the detected combustible gas or toxic gas through the drive of the sensor module, after automatically recognizing user information and location information by reading a radio frequency identification (RFID) tag indicating a user or a location of gas detection, using a contact unit having built therein an RFID reader inside the smart phone, wherein the smart phone transmits the user information, the location information and the measurement data acquired from the gas detection APP to an operation server through a communication network.

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 balancer hoist has an electric servomotor driving irreversible gearing in turn driving a hoist chain drive. A float mode and a manual mode are provided using two independent load sensors for sensing the load weight and force applied to a control grip. A traversing control is produced by a tractor carriage rolling on an overhead rail connected to a trolley also traveling on the rail and supported on upper hoist assembly. A load sensor interconnects the tractor carriage and upon hoist assembly to sense forces created by an operator pulling on the chain, which are used to control an electric motor on the tractor carriage driving a pinion gear engaged with a gear rack on the overhead rail to positively drive the carriage, trolley and upper hoist assembly along the rail. A stationary dual hoist system is also described in which two hoist assemblies are interconnected by a chain and sprockets to provide synchronized operation.

The invention relates to a transelevator (1) for handling pallets, suitable for use in a system for storing goods or similar, said transelevator comprising a lower mobile frame (2) fixedly supporting a vertical lifting column (3) along which a pallet-removal device can move. The invention also relates to a pallet removal device for a transelevator, comprising: a lifting frame (20) provided with lifting wheels which travel along the length of guide means; a laterally mobile fixed frame (21); and a mobile carriage (22) capable of mobile in relation to the fixed frame (21) and including a fork (23) which can be moved laterally along axis Z by means of a lateral movement shaft (29) actuated by motor means and which can be rotated in plane X-Z by means of a rotation shaft (44) actuated by motor means.

The present invention discloses integral offshore platform building and hoisting process and special crane. The integral offshore platform building and hoisting process includes the first building integral lower platform part and upper platform modules at ground, the subsequent shifting the lower platform part to the sea dock, hoisting the upper platform modules onto the lower platform part and welding together. The special crane in great hoisting capacity includes four uprights for fixing on ground, crossbeams, and several hoisting mechanisms. The present invention has the features of high work efficiency, less risk and high platform quality.

A system for moving a camera along a predefined path in space, the system comprising: a track (2), the track comprising at least one rail (10, 12); a dolly (4) adapted to ride on the track; and a rack and pinion drive mechanism (6) for driving the dolly along the track. The drive mechanism includes a rack (40) extending along the track and a driven pinion (60) mounted on the dolly, and the rack is positioned vertically inline with the at least one rail of the track.

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.

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.

The invention relates to a through-typed double-trolley bridge-typed crane, comprising a cart, a main beam arranged on the cart, a first cargo trolley and a second cargo trolley; the first cargo trolley comprises a matter-fetching device, a left flap frame and a right flap frame; the matter-fetching device is hung on the left flap frame and the right flap frame by a lifting sling, and a U-shaped space is formed on the upper surface of the lifting sling and the matter-fetching device of the first loading trolley; the second loading trolley comprises a frame, a traversing mechanism arranged on the frame and the matter-fetching device hung on a traversing part by the lifting sling; rails which support the second loading trolley are arranged between a guide rail for supporting the left flap frame of the first loading trolley and a guide rail for supporting the right flap frame of the first loading trolley; the extending directions of all the guide rails are in parallel and the second loading trolley can pass through the U-typed space.

The invention which discloses a semi-traction dolly type light-weight portal crane aims to provide a fixed or rubber-tyred or rail-mounted lifting loading and unloading apparatus with the advantages of simple structure, light weight, and economy and utility. The crane comprises a hoisting mechanism arranged at the bottom platform of a frame, a dolly frame and a dolly operation mechanism arranged on the kingpost track of the frame, a suspender connected with the dolly frame through first, second, third and fourth wire ropes, and a suspender rotary tilting device arranged at the rear side of the frame, wherein first ends of the first to fourth wire ropes are respectively connected to the reel of the hoisting mechanism; and second ends of the first to fourth wire ropes, which respectively slidingly go through the frame, the dolly and the assembly pulley of the suspender, are respectively connected to both ends of the suspender rotary tilting device or directly fixed on the wire rope fixing end at the rear side of the frame. The portal crane has the characteristics of light weight, saved investment, low energy consumption, low wheel pressure, low maintenance and use cost, and the like.

The invention discloses an independent suspension system which comprises two suspension oil cylinders arranged between the edges of wheels on two sides and a frame respectively, a steering mechanism used for driving the wheels on the two sides to make a turn under the drive action of a power-assisted steering oil cylinder, and two swing rods corresponding to the wheels on the two sides, wherein one end part of each swing rod is hinged to the edge of the wheel on the corresponding side through a spherical hinge, and the other end part of the swing rod is hinged to fixing members fixed below a main speed reducer in a front-rear direction through two spherical hinges respectively. Through the structural improvement, tires mounted on the wheel edges can be positioned, the tire motion in the moving process of a crane is guaranteed to meet the design requirement, and the possible destructive influence of the suspension oil cylinders can be completely avoided, so that the wheels on the left and right sides can reliably and independently move; the adhesion conditions of a road surface are fully utilized, so that the control stability of the complete crane can be improved. Based on the independent suspension system, the invention further provides the crane with the independent suspension system.

The invention discloses a hydraulic hoisting, slipping and emplacing method and equipment for large scale press components, which have the advantages of simple structure, safety, reliability, recoverability and repeated use. The hydraulic hoisting, slipping and emplacing equipment comprises two main beams which are parallel to each other and horizontally arranged. Three upright posts are fixedly connected to the lower part of each main beam, a fundamental base connected with the ground is arranged at the bottom of each upright post, two hoisting beams parallel to each other are arranged above the two main beams, the two ends of each of the two hoisting beams are mounted on the upper end surfaces of the main beams through end beams, two lifting oil cylinders are arranged above each hoisting beam, each lifting oil cylinder is mounted on the upper end surface of the hoisting beam through the lifting oil cylinder base at bottom, at least one stranded wire is arranged in each lifting oil cylinder, and a first hydraulic crawl device is mounted among the ends of the end beams and the main beams.

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.

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.

The invention provides a technological solution of a two-railway device preventing travelling cranes from gnawing railways. The solution comprises two parallel railways, and wheels on the railways supporting the body of a travelling crane. There have motors and retarders on wheels to drive wheels to run. Before wheels of a travelling crane in forward and backward directions, distance sensors are installed to link with the travelling crane near the outside or inside of the two railways. The output of the distance sensor input into the controller C1. The output of controller C1 controls two bicontrollable silicon CG1íóCG2 through two executing circuits C2íóC3, then control rotate speed of wheels of the travelling crane, adjust the direction of two wheels, thus prevent the travelling crane from gnawing railways.

A fall arrest anchor trolley for arresting the fall of a user. In one embodiment, the invention can be a fall arrest trolley comprising: a body a brake sub-system, and a plurality of wheels rotatably coupled to the body, wherein bottoms of the plurality of wheels collectively define a rolling plane; the brake sub-system comprising a brake rod, a brake pad connected to the brake rod, a lanyard connector connected to the brake rod, and a resilient element; the brake rod slidably coupled to the body so that the brake sub-system is alterable between: (1) a free state in which the brake pad is spaced a distance above the rolling plane; and (2) an arrest state in which at least a portion of the brake pad is located within the rolling plane; the resilient element biasing the brake sub-system into the free state.

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.

The invention relates to hoisting equipment, in particular to a rubber-tyred gantry crane with a suspension crane and a construction method thereof. The crane consists of a gantry and a hoisting device arranged on the gantry, wherein a walking mechanism is arranged at the lower part of the gantry; a balancing weight block is arranged at the rear end of the gantry which is also provided with a generating unit and an electric control device which are connected with the hoisting device and the walking mechanism; the rubber-tyred crane is novel hoisting equipment which combines cranes of tyre type, gantry type and suspension arm type; the rubber-tyred walking mechanism ensures that an LTD10 type crane has more flexible forward, backward and steering and wide running range and is not limited by tracks; the steering mechanism adopts an electric push rod as steering power, has sensitive reaction and is beneficial to improving the operation efficiency; a gantry structure has favorable stable performance, small volume, can be integrally transported and is convenient to install on site; and in a winch mechanism of the rubber-tyred crane, an electric hoist with mature technology is used, so that the manufacturing construction period and the cost can be saved.