2103results about "Trolley cranes" patented technology

According to the bridge crane intelligent safety monitoring method and device based on multi-source data fusion, by integrating the lateral pressure type pressure sensor, the intelligent camera, the displacement sensor and the electromagnetic sensor, multi-dimensional collection of weight, image, position and broken wire data is achieved. A multi-source data stream is processed by adopting frequency division sampling and a time synchronization mechanism, and accurate detection of personnel in a dangerous area is realized by combining a convolutional neural network configured by a self-adaptive residual block. The system monitors multi-dimensional safety risks such as weight overrun of a hoisted object, breakage of a steel wire rope and deviation of a lifting hook track at the same time, and all-dimensional intelligent monitoring of the operation process of the crane is achieved. The problem that a traditional single monitoring scheme is insufficient in perception capability is effectively solved, and the accuracy of safety early warning is improved.

The invention relates to a steel structure trestle hoisting device, belongs to the technical field of bridge construction machinery, and is used for solving the technical problems that traditional hoisting equipment is low in mounting precision, poor in posture adjusting efficiency and easy to deform in structure. The device comprises a portal crane main body, wherein an electric trolley of which the stroke is matched with the width of a trestle is arranged at the lower part of a fixed cross beam; the dynamic self-adaptive balance assembly adjusts load balance in real time through a rigid frame, a three-axis tilt angle sensor, a balancing weight and an electric push rod. The lifting appliance group adopts a servo motor to drive four lifting hooks to cooperatively work, and a laser positioning assembly is combined for precise positioning; the digital twinning cooperative control system integrates prediction, control logic and a pre-judgment type intervention module through an embedded industrial controller, analyzes data of an encoder and a pressure sensor in real time, predicts deformation and gravity center shift, and dynamically regulates and controls the hoisting speed, the transverse position of a trolley and the balance weight displacement. The device is suitable for high-precision rapid installation of the large-span steel structure trestle, and the construction safety and efficiency are improved.

The invention belongs to the technical field of transformer coil hoisting, and particularly relates to a hoisting device for transformer coil installation, which comprises a moving frame, an adjusting mechanism is installed on the moving frame, a clamping piece is arranged on the adjusting mechanism, and the clamping piece comprises an installation frame, a lifting frame, a first sliding plate, a first supporting arm, a second supporting arm and a lifting air cylinder. The lifting air cylinder is arranged on the adjusting mechanism and connected with the adjusting mechanism, the lifting frame is installed on the adjusting mechanism in a sliding mode, a piston rod of the lifting air cylinder is connected with the lifting frame, and the installation frame is arranged below the lifting frame and connected with the lifting frame. According to the transformer coil hoisting device, the transformer coil can be fixed from the interior of the transformer coil through the arrangement of the clamping piece, the transformer coil which is clamped and fixed can be hoisted under the action of the lifting air cylinder, workers do not need to carry the transformer coil again during discharging, and the hoisting efficiency and hoisting quality of the transformer coil through the transformer coil hoisting device are greatly improved.

A crane, in particular a rotating tower crane, including a crane boom from which a load-receiving means, such as load hooks, can be raised and lowered by means of a hoist rope. A detection device is provided for detecting the distance of the load-receiving means from the ground and / or from an object located below the load-receiving means.

A transport vehicle transports an article. The transport vehicle includes a traveler including a traveler driver, a controller that controls the traveler, and a power supply unit that receives power from an external source and supplies the power at least to the traveler and the controller. The controller monitors a target voltage applied by the power supply unit to the traveler. The controller performs, during travel of the transport vehicle, a deceleration and stop process of decreasing a travel speed of the transport vehicle to stop the travel of the transport vehicle in response to the target voltage being lower than or equal to a determination threshold. The determination threshold is lower than a voltage of the power supply unit in normal operation and higher than a lower limit voltage. The lower limit voltage is a minimum voltage to cause the traveler to operate.

A full-unit lifting method for a quayside container crane includes calculating an overall center position of gravity of the quayside container crane full-unit; estimating a lifting height and a floating amplitude required by a main hook of a floating crane according to a water level differential at a dock and a height of the quayside container crane full-unit; selecting the floating crane and obtaining detailed parameters thereof according to basic lifting conditions of the floating crane; selecting a type of the main hook according to a weight of the quayside container crane full-unit, checking whether an interference between the boom of the floating crane and the front boom occurs, and determining an inclination angle of the floating crane during lifting; calculating a load on the lifting wire rope and selecting the lifting wire rope and a shackle; making preparations before lifting; and performing lifting at the dock.

The utility model relates to the technical field of cranes, in particular to a shipbuilding portal crane, which is characterized in that during hoisting, after a worker operates a hoisting component to hoist a workpiece, a moving component is matched with a sliding rail, so that the moving component drives the hoisting component to move left and right, and the left and right hoisting of the workpiece is further realized; the flexibility is improved; comprising moving trolleys, supports, a cross beam, a sliding rail and strip-shaped openings, two moving trolleys are arranged at the bottom end of each support, the cross beam is arranged between the two supports, the cross beam is provided with a set of strip-shaped openings, the sliding rail is arranged at the top end of the cross beam, the moving assembly is arranged on the sliding rail in a sliding mode, and the lifting assembly is installed on the moving assembly.

A container handling vehicle includes a lower part and an upper part. The lower part includes a width and a length that form a vehicle footprint of the container handling vehicle; and a storage space configured to accommodate a storage container. The lower part includes a first set of wheels oriented in a first vertical plane and a second set of wheels oriented in a second vertical plane orthogonal to the first vertical plane. The lower part includes a first set of vertical side walls that are co-planar to the first vertical plane, and a second set of vertical side walls that are co-planar to the second vertical plane. The first set of wheels, the second set of wheels, the first set of vertical side walls, and the second set of vertical side walls are arranged such that the lower part of the container handling vehicle has a cuboid shape. The upper part is disposed vertically above the lower part, and includes a protruding section and a recessed section. The protruding section is configured to extend beyond the lower part. The recessed section has a shape complimentary to the protruding section such that the recessed section is configured to receive other protruding sections of other container handling vehicles.

The invention relates to the technical field of bridge construction, and discloses a guide-beam-free incremental launching construction hoisting balance weight structure for bridge construction, which comprises an incremental launching platform and a gantry crane above the incremental launching platform, the counterweight assembly comprises two slide rails, two wheel carriers, two groups of rollers, a base, a plurality of counterweight blocks, two groups of guide wheels and two pull ropes; and the lubricating assembly is used for lubricating the two groups of rollers. Through the arrangement of the counterweight assembly, the base can move reversely along with the movement of the gantry crane, self-adaptive position adjustment of the multiple counterweight blocks is achieved, the gantry crane and the multiple counterweight blocks are kept in a balanced state on the pushing platform, the bending moment and the shearing force peak value of the pushing platform are reduced, and through the self-adaptive position adjustment, the service life of the pushing platform is prolonged. And the operation of actively adjusting the position of the balancing weight by an operator is reduced, and the operation time is saved.

The invention relates to an overwater square block hoisting method and system, and belongs to overwater square block hoisting. The overwater square block hoisting method comprises the steps of hoisting a square block, obtaining the relative position relation between a hoisting device and the square block, obtaining the real-time position of the square block, obtaining the relative posture data of a hoisting system and the square block, obtaining the real-time posture of the square block and guiding square block hoisting. According to the above-water square block hoisting method, a camera, a Beidou receiver, a clinometer, an inertial navigation device and other devices are used for obtaining the relative position and posture data of a hoisting device and a square block in real time, the square block is accurately guided to be hoisted to the designed position through a data processing and feedback mechanism, and all-directional monitoring and accurate control in the square block hoisting process are achieved.

The invention belongs to the technical field of cranes, and particularly relates to a compact low-clearance anti-swing crane and an anti-swing method. The device comprises a door frame; a hoist frame; a reel; a transverse driving motor; the hoisting mechanism is in transmission connection with the reel through a steel wire rope; the two groups of upper lifting pulley blocks are mounted on the hoisting frame and are arranged in parallel along the axis direction of the winding drum; the two lower lifting pulley blocks are installed on the lifting mechanism and arranged in parallel in the axis direction of the winding drum. The rotating center line of the upper lifting pulley block and the rotating center of the roller are located on the same plane. And the rotating center line of the lower lifting pulley block is lower than that of the lifting mechanism. The driving motor is transversely arranged, power is transmitted to the winding drum through the gearbox, meanwhile, the static size in the vertical direction is further reduced through the arrangement of the upper and lower pulley blocks with the low gravity center and the design of the lifting hook assembly with the high gravity center, and therefore under the given workshop clearance height, the working efficiency is improved. And the vast majority of vertical space is released to an effective cargo lifting stroke.

The invention discloses a metal plate machining device for logistics equipment manufacturing, and relates to the technical field of metal plate machining, the metal plate machining device comprises a gantry crane device used for driving a grabbing mechanism to transversely move, and the grabbing mechanism is fixedly mounted at the moving end of the gantry crane device. By arranging the grabbing mechanism, in the process of carrying the metal plates, the ends of the metal plates can be warped up, so that the adsorption force between the metal plates is destroyed, workers can carry the metal plates better, and secondly, the grabbing mechanism adopts a mechanical transmission mode, so that the grabbing efficiency is improved, and the labor intensity of workers is reduced. According to the metal plate carrying device, workers can be fully liberated in the metal plate carrying process, collision damage possibly occurring in the working process of the workers is also avoided, the safety of the device in the production operation process is further improved, in addition, edge warping structures arranged at the two ends can rapidly grab and carry the metal plates, and the working efficiency is improved. And the operation efficiency of the device can be improved.

An expandable multifunctional integrated-construction skyscraper building platform and a construction method using the same are provided. The expandable multifunctional integrated- construction skyscraper building platform includes: a building foundation part, including an underground level, a basement level and a ground level which form a main body; an external frame part, a bottom of the external frame part being fixed deep into the underground level, and a top of the external frame part running through the basement level and the ground level to reach upper air such that lifting platform parts arranged on the external frame part are capable of going up from the underground level for construction; a transportation elevator part and a three-layer enclosure part, mounted on the building foundation part; a top transfer part, mounted on a Chinese character “Ri” frame at a top of the external frame part; and a carrying tower.

The present application relates to a kind of offshore spreader and the measuring and controlling system of application thereof, block hoisting method, belong to underwater block hoisting technical field.The offshore spreader includes lifting frame, hook, unhooking device and measuring tower;Wherein, lifting frame is used to connect hoisting equipment;Hook is installed below lifting frame and is hinged with lifting frame, for connecting the lifting hole of prefabricated block;Unhooking device includes unhooking frame, driver and connecting rod, for realizing the automatic hooking and automatic unhooking of hook;Measuring tower is fixedly installed above lifting frame, and measuring tower includes column installed around lifting frame and upper measuring platform on the top of column, for measuring the positioning data of offshore spreader.The offshore spreader and the measuring and controlling system of application thereof, block hoisting method combine measuring tower and unhooking device, can obtain the positioning information of spreader in real time, and then timely adjust the position of spreader and block, ensure the precision of block installation;While underwater automatic unhooking can reduce the risk of manual operation.

A portal crane damage detection method based on amplitude-variable trolley acceleration response comprises the following steps that 1, an amplitude-variable trolley-simply supported beam portal crane system is built, and an amplitude-variable trolley is arranged on a cargo boom of a portal crane; 2, an acceleration sensor is arranged on the variable-amplitude trolley, the variable-amplitude trolley moves on the cargo boom of the portal crane at the moving speed v, and the acceleration sensor collects acceleration response data of the variable-amplitude trolley in real time and transmits the acceleration response data to an FFT conversion module; 3, the FFT conversion module converts the acceleration response data of the variable amplitude trolley to obtain an acceleration spectrogram; 4, according to the acceleration spectrogram, modal parameters of the portal crane are obtained through recognition; and 5, detecting and identifying the damage condition of the portal crane according to the modal parameters or the acceleration response data. The method has the effect that the damage result of the simply supported beam portal crane can be accurately detected.

The invention belongs to the technical field of cranes, and discloses a span-adjustable electric hoist portal crane and assembling equipment thereof.The span-adjustable electric hoist portal crane comprises a left supporting frame and a right supporting frame, the bottom of each supporting frame is fixedly connected with a sliding seat, the bottom of each sliding seat is slidably clamped with a sliding frame assembly, and the top of each supporting frame is slidably clamped with a cross beam assembly; a left locking mechanism and a right locking mechanism are clamped to the top of the sliding frame assembly in a sliding mode, a hydraulic mechanism is arranged on the top of each locking mechanism, hydraulic rods are arranged on the opposite faces of the two locking mechanisms, and the fixed ends of the hydraulic rods are connected with the hydraulic mechanisms. According to the invention, the splicing assembly of the plurality of splicing sliding frames and the main sliding frame can be realized through the second connecting pieces, and the splicing assembly of the plurality of splicing beams and the main cross beam can be realized through the first connecting pieces, so that the effect of adjusting the length of the cross beam assembly or the sliding frame assembly can be realized, and the effect of adjusting the hoisting span of the crane is achieved.

The invention relates to the technical field of hoisting equipment, and particularly discloses a kiloton assembly type module hoisting machine which comprises a main beam, supporting legs are fixedly installed at the two ends of the main beam, a running mechanism is slidably connected to the upper surface of the main beam, a winding drum is arranged on the outer surface of the running mechanism, and a steel wire rope is wound on the outer surface of the winding drum. The swinging amplitude of the assembly type module during hoisting is reduced through the buffer assembly, stable multi-point supporting can be conducted on the top end of the assembly type module through the hoisting assembly, the uniformity of the supporting force is guaranteed, displacement of the assembly type module can be found in time, the module can be rapidly adjusted, and the assembly type module can be conveniently and rapidly hoisted. And in addition, when the assembly type module collides or makes contact with other equipment, the guide buffering effect can be achieved, meanwhile, the clamping force on the assembly type module can be increased in the collision process, and the stability of the module in the collision process is improved.

The invention provides a hoisting device for construction engineering, and belongs to the technical field of hoisting equipment, the hoisting device comprises a frame body, a hoisting mechanism and a clamping mechanism, the clamping mechanism comprises a hanging bracket and a clamping assembly, the hanging bracket is connected with the hoisting mechanism, the clamping assembly is arranged on the hanging bracket, and the clamping assembly comprises a first motor, a bidirectional screw rod, a synchronous pulley mechanism and a moving block; the first motor is fixedly installed on the hanging bracket, the two-way lead screws are symmetrically arranged on the two sides of the first motor and connected to the output end of the first motor through synchronous belt wheel mechanisms, the moving blocks are provided with threaded holes and sliding grooves, the two ends, in different rotating directions, of the two-way lead screws are connected with the moving blocks in a rotating mode through the threaded holes respectively, and the moving blocks are arranged on the hanging bracket in a sliding mode. When the hoisting device is used, inclination and movement of a heavy object in the hoisting process are reduced, the efficiency and safety of the whole process are improved, through the four steel ropes in the winch system, the heavy object can be more stable in the moving process, stress of each steel rope is reduced, and the service life of the steel ropes is prolonged.

The invention provides a traveling crane double-beam portal crane, and relates to the technical field of cranes, the traveling crane double-beam portal crane comprises a plurality of supporting columns, a group of cross beams are mounted at the upper ends of the supporting columns, guide rails are arranged on the upper sides of the cross beams, and a traveling assembly is mounted on the upper sides of the guide rails in a sliding manner and comprises a traveling frame; a group of walking wheels are arranged on two sides of the bottom of the walking frame; cleaning liquid is stored in the water storage tank in advance, so that when the water feeding pump is started, the cleaning liquid is conveyed outwards, the cleaning liquid is distributed in the first series connection pipe through the first three-way valve, and the liquid is conveyed into the corresponding cleaning assemblies through the first butt joint pipe arranged on the pipe body of the first series connection pipe; and the drainage hole is formed in the inclined position of the water storage tank, so that spraying of the cleaning liquid is achieved, the cleaning assembly can preliminarily clean the guide rail at the current position, and it is guaranteed that oil stains on the guide rail are discharged in cooperation with the cleaning brush roller.

The utility model discloses a bridge deck crane, which relates to the technical field of bridge construction equipment, and comprises two groups of bases, the bases are symmetrically connected to the front two sides of the top end of a bridge deck in a sliding manner, the top ends of the bases are fixedly provided with a main beam through supporting beams, and spacing adjusting mechanisms are symmetrically connected between the two groups of bases; the distance between the front base and the rear base is adjusted through the distance adjusting mechanism, meanwhile, the front main beam and the rear main beam are driven to adjust the distance, and therefore the width of the bridge deck crane can be adjusted within a certain range, the bridge deck crane can be suitable for hoisting construction of bridge decks of different width specifications, applicability is high, and cost is low. The longitudinal adjusting mechanism drives the second electric chain hoist to longitudinally move back and forth at the bottom end of the driving box, so that the construction hanging basket hung below the second electric chain hoist can be driven to move back and forth, the distance between the construction hanging basket and the bridge section can be conveniently hung according to actual construction requirements, convenience is brought to construction operation of workers on the construction hanging basket, and the construction efficiency is improved. The use is convenient.

A goods shelf shuttle and a goods shelf system, where the goods shelf shuttle includes a vehicle body (100), an access device (500), and a lifting device (600); an accommodating chamber for accommodating the access device (500) is formed inside the vehicle body (100); the access device (500) includes a fixed part (510) and a mobile part (520) for accessing goods (900); the mobile part (520) is capable of telescopically moving relative to the fixed part (510); the lifting device (600) is connected between the fixed part (510) and the vehicle body (100), and the lifting device (600) is configured to drive the fixed part (510) to move along a vertical direction, thereby enabling the access device (500) to extend from or retract into the accommodating chamber. The goods shelf shuttle and goods shelf system may access goods (900) on each layer of the goods shelf (700).

The invention relates to the technical field of hoisting equipment, in particular to hoisting equipment with an obstacle avoidance early warning function. The technical problem to be solved is that the gravity center of goods is unbalanced during loading or the goods are unstable during moving and obstacle avoidance. According to the technical scheme, the device comprises a first walking frame, a second walking frame is installed on the first walking frame through a guide rail, a supporting shell is installed on the second walking frame, the device further comprises hoisting mechanisms, the hoisting mechanisms are installed in the supporting shell in a mirror image distribution mode, and a first anti-tilting mechanism is jointly arranged at the bottoms of the two hoisting mechanisms. By arranging a first extrusion wheel, a second extrusion wheel, a third extrusion wheel and a fourth extrusion wheel, the first extrusion wheel, the second extrusion wheel, the third extrusion wheel and the fourth extrusion wheel are kept at the same rotating speed through extrusion of a cable and a transmission gear set and a belt transmission set with the transmission ratio being 1; and therefore, the first anti-swing mechanism hung on the cable is kept in a stable state, and the anti-inclination capability and the stability of goods during movement are improved.

The invention discloses a special lifting appliance for overturning and closing a sand box for casting, and particularly relates to the technical field of lifting appliances for casting, the special lifting appliance comprises two supporting frames, inner cavities of two first sliding grooves are jointly connected with a hanging mechanism in a sliding mode, and the middle of the front side of the hanging mechanism is fixedly connected with a control box component; and fixing mechanisms are arranged on the left portion and the right portion of the lower side of the hanging mechanism correspondingly, and the sides, close to each other, of the two fixing mechanisms are jointly provided with a casting box component. According to the special lifting appliance for overturning and closing the sand box for casting, the hanging mechanism is controlled through the control box component, so that the rotating groups in bilateral symmetry in the hanging mechanism are far away from each other or close to each other, the lifting appliance can be suitable for different types of sand boxes under the cooperative use of the two fixing mechanisms, and the sand box can be overturned and closed under the action of a hook and an external crane. And under the cooperative use of the positioning part and the second through hole, accurate alignment can be achieved in the box closing operation process, and the application range of the device is wider.

A transport vehicle for transporting an article in a manufacturing factory includes a driving unit which drives along a driving rail, and a hoist unit which is located under the driving unit and supports the article. The hoist unit includes a frame, and a pair of tail plates which is provided on a rear surface of the frame and protrudes rearward.

The invention relates to the technical field of pipeline hoisting, in particular to intelligent large pipeline hoisting equipment and method.The intelligent large pipeline hoisting equipment comprises a first portal frame, a track beam and a second portal frame, and the track beam is arranged above the first portal frame and the second portal frame; a walking trolley moving in the length direction of the track beam is arranged on the track beam and used for hoisting and transporting a pipeline. The first portal frame is used for achieving butt joint of a loaded pipeline and a to-be-loaded pipeline, and the track beam and the second portal frame are matched to achieve transportation of the to-be-loaded pipeline to the first portal frame. Different from an existing manual pipeline butt joint mode, a pipeline hoisting point is arranged at the top of the slope, the pipeline hoisting, transporting and butt joint process is controlled through the portal frame control system, operation is completed through automatic control, labor is reduced, the labor cost is reduced, and the construction efficiency is improved.

The invention provides a sectional material pretreatment carrying device, and relates to the technical field of sectional material hanging, the sectional material pretreatment carrying device comprises a truss, a sliding frame, a driving mechanism, a hoist crane arranged on the sliding frame, a support and a hanging bracket, the sectional material is arranged on the hanging bracket, the tail end of the hoist crane is hinged to two connecting rods, and the two connecting rods are arranged on the truss; the lower end of each connecting rod is fixedly connected with a clamping rod, the clamping rods are horizontally and slidably connected with a supporting block, a connecting block is arranged in the supporting block, two lifting blocks used for lifting the hanging bracket are hinged to the inner side face of the connecting block, the two clamping rods are located on the outer sides of the lifting blocks, and the hanging bracket is located between the two lifting blocks. A reset torsion spring is fixedly connected between the connecting block and the lifting block, a first transmission inclined face is arranged at the bottom of the lifting block, and the hanging bracket moves upwards relative to the lifting block and can abut against the first transmission inclined face. The lifting frame has the effects of reducing the probability that the lifting frame deflects towards one side and improving the clamping reliability of the profile.

The invention discloses an automatic container terminal quay crane operation mode intelligent switching system and method, and the system comprises a mode management unit which is used for defining an automatic mode, a manual intervention mode and a special mode, and configuring mode switching conditions; the dynamic safety detection unit is used for monitoring the lifting appliance height and container operation area parameters in real time, the types of containers comprise tanks, overrun boxes and dangerous goods boxes, and the types of operation areas comprise an on-board area, a bridge bottom IGV operation area and a bridge rear container truck operation area; the task coordination engine unit is used for responding to the mode switching request and executing a corresponding task; and the abnormity recovery unit is used for triggering a task recovery or manual intervention mode based on the container carrying state of the lifting appliance and the ID of the container when the special mode is switched back to the automatic mode. According to the embodiment of the invention, while the cost advantage of a single-trolley automatic system is maintained, the system safety and the operation efficiency are optimal, and a brand new solution is provided for automatic modification of a wharf.

A transport vehicle that transports packages includes: a first arm; a second arm; a first wheel connected to the first arm; a second wheel connected to the second arm; at least one actuator; and a controller (control processor). When the transport vehicle is slidably hung from the first rail via the first wheel and the second wheel, the controller controls the at least one actuator (arm actuator, roller actuation motor) to disengage the first wheel from the first rail and place the first wheel on the second rail, and disengage the second wheel from the first rail and place the second wheel on the second rail.

The invention relates to a calibration installation method and system for an underwater square block, and belongs to the technical field of underwater square block installation. The calibration and installation method of the underwater square block comprises the steps of square block calibration, square block hoisting, navigation route generation and square block hoisting guidance. Wherein the square block calibration step comprises the following steps: after the square block is prefabricated, mounting a target on the top surface of the square block, scanning the top surface of the square block and the target arranged on the top surface of the square block through a three-dimensional laser scanner at the top of the gantry crane, and obtaining the size parameters of the top surface of the square block and the relative position relationship between the feature points of the target and the top surface of the square block. According to the calibration and installation method of the underwater square block, the size parameters of the square block and the position of a target feature point are accurately obtained through a three-dimensional laser scanner, and a reliable data basis is provided for subsequent hoisting; the measurement and control device monitors the position and posture of the square block in real time and automatically generates a navigation route in combination with design position coordinates, and it is ensured that the square block can be accurately hoisted to the target position.