2135results about "Travelling gear" patented technology

The rail protection system is used for preventing the crown block running on a rail system from rushing out, the rail system comprises a straight rail and a bent rail in transition connection with the straight rail, in the walking direction limited by the straight rail, the straight rail is provided with a reserved straight section comprising a rail breaking opening on the first side of the bent rail, and the rail breaking opening is formed in the first side of the bent rail. The straight rail is provided with a conventional straight section on the second side of the bent rail; the track protection system comprises a blocking device fixed to the reserved straight section and a track protection device fixed to the reserved straight section. The steering guide piece is fixed above the conventional straight section; the steering device comprises a steering wheel arranged on the crown block, the steering wheel is configured to be capable of moving in the transverse direction so as to be adjusted to a guide matching position, and when the steering wheel is located at the guide matching position, the steering wheel is driven to rotate. The steering wheel can be matched with the steering guide piece when advancing along the conventional straight section so as to enable the crown block to steer and enter the bent rail, and the transverse direction and the walking direction are perpendicular to each other in the horizontal direction.

The invention provides a traveling crane wheel deviation detection device and method.The traveling crane wheel deviation detection device comprises a distance measuring sensor arranged on a traveling crane body, and the distance measuring sensor is flush with the center of a traveling crane wheel in the width direction; the plurality of reflection targets are arranged on one side of a traveling track, a set distance is formed between the plurality of reflection targets and the traveling track, and the plurality of reflection targets are uniformly arranged at intervals in the extending direction of the traveling track; the distance measuring sensor is used for collecting distance information between the distance measuring sensor and the reflection target in real time; the distance measuring sensor is in communication connection with the monitoring terminal, and the distance measuring sensor transmits the collected distance information to the monitoring terminal in real time. The deflection condition of the travelling crane wheel can be monitored in real time, so that safety accidents can be avoided, and the operation safety of equipment is guaranteed.

A roof moving winch hoisting assembly comprises a winch body, a composite pipe, a winch mounting frame, a moving support, a suspension arm mechanism and a counterweight assembly. The winch body is mounted on the winch mounting frame; one end of the composite pipe is wound on a winding drum of the winch body, and the other end of the composite pipe is forwards unwound from the winding drum; the winch mounting frame is rotationally mounted on the movable bracket; a plurality of universal wheels are arranged at the bottom of the movable support, and a plurality of supporting leg mechanisms are further arranged on the movable support. The suspension arm mechanism is mounted on the front side of the winch mounting frame; the counterweight assembly is installed on the rear side of the winch installation frame. The lifting device can get rid of the influence of a roof structure on lifting work, prevents the whole device from overturning or rollover during lifting, adapts to the conditions of uneven floor protrusions and the like, prevents a cable, a water pipe and a lifting rope from being intertwined when the wall cleaning robot is lifted, and is convenient and rapid in lifting direction adjustment.

The utility model discloses a self-powered monorail crane for tunnels, the crane comprises a traveling trolley, a traveling mechanism for driving the traveling trolley to move is installed on the traveling trolley, an electric hoist is fixedly connected to the bottom of the traveling trolley, a connecting rod is also fixedly connected to the traveling trolley, the connecting rod extends to the outside of the traveling trolley, and an auxiliary trolley is fixedly connected to the end of the connecting rod away from the traveling trolley, a traveling device is installed on the auxiliary trolley, and a battery is installed at the bottom of the auxiliary trolley, and the battery is used to supply power to the traveling mechanism and the electric hoist. By installing a connecting rod on the traveling trolley so as to facilitate the installation of the auxiliary trolley through the connecting rod, and installing a battery on the auxiliary trolley so as to facilitate the power supply to the traveling trolley and the electric hoist through the battery, the installation of busbars and corresponding equipment is reduced, the trouble of construction operation is reduced, and the work efficiency is improved.

The present invention relates to a drive device for a mobile crane, comprising an internal combustion engine for delivering power, an electric machine for delivering power in its motor mode and / or for generating power in its generator mode, a distribution gearbox for selectively distributing power delivered to the distribution gearbox to a drive mechanism for moving the mobile crane, and a pump arrangement for performing crane operation, wherein the internal combustion engine interacts with an input shaft of the distribution gearbox, the input shaft interacts with the drive mechanism, the electric machine interacts with an intermediate shaft of the distribution gearbox, and the pump arrangement interacts with an output shaft of the distribution gearbox.The drive device is characterized by a first coupling arranged between the input shaft and the intermediate shaft to couple or disconnect the input shaft and the intermediate shaft as required, and a second coupling arranged between the intermediate shaft and the output shaft to couple or disconnect the intermediate shaft and the output shaft as required.

The invention provides a lifting sling balance control method, which comprises the following steps of: detecting the actual distance from two ends of a traveling cart mechanism to a cart traveling track in real time through a first sensor, comparing the actual distance with a reference distance in real time, and further judging whether the sling is in a horizontal state in real time; as the two ends of the traveling cart mechanism abut against the cart traveling track, a first difference value and a second difference value between the actual distance and the reference distance are calculated respectively, and the first difference value and the second difference value correspond to the difference value between the actual distance between the two ends of the traveling cart mechanism and the cart traveling track and the reference distance respectively. The inclination state of the lifting appliance is judged by judging whether the first difference value and the second difference value are equal or not and judging the sizes of the first difference value and the second difference value, then the offset distance of the lifting appliance is detected through the second sensor, the steel wire rope is wound and unwound through the lifting mechanism till the two ends of the lifting appliance recover the horizontal state, and therefore safety and stability in the lifting appliance operation process are guaranteed.

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 invention discloses a stopping device and a lifter, the stopping device and a lifting track synchronously ascend and descend, and the stopping device comprises a shaft seat, a stopping rod and an elastic part. And the shaft seats are arranged above the lifting track at intervals. The stop lever comprises a top pressing part, a stop part and a rotating part connected between the top pressing part and the stop part, the top pressing part and the stop part are arranged up and down, an included angle with an opening facing the inner side of the lifting track is formed between the top pressing part and the stop part, the rotating part is pivotally connected with the shaft seat through a first shaft, and the stop lever can swing around the axis of the first shaft so as to be switched between a first position and a second position; at the first position, the included angle between the jacking part and the horizontal plane is an acute angle, and the stopping part inclines towards the inner side of the lifting track to stop the crown block; at the second position, the stopping part swings towards the outer side of the lifting track to release the crown block; the elastic part is used for limiting the stop lever at the first position when the jacking part is not jacked, and the elastic part elastically deforms and allows the stop lever to move to the second position when the jacking part is jacked.

The embodiment of the invention provides power transmission line hardware fitting robot equipment, and relates to the field of power transmission line robots. The power transmission line hardware fitting robot equipment comprises a hoisting module and a robot module, the robot module is used for being fixed to a wire through an unmanned aerial vehicle, the robot module and the hoisting module are of an up-down split structure, the robot module and the hoisting module are detachably connected, and the robot module conducts autonomous online or offline through the hoisting module. An independent hoisting module is configured, and the hoisting module is conveyed and fixed to a wire through an unmanned aerial vehicle; the robot module achieves vertical lifting and accurate butt joint from the ground to the wire through the synergistic effect of the robot module and the hoisting module. The mode gets rid of dependence on personnel on the tower or an auxiliary sliding rail, the automation degree and safety of the on-line process are remarkably improved, and the method is particularly suitable for rapid deployment in a complex terrain or an electrified environment. And efficient, safe and autonomous online and offline of the robot module are realized.

The invention discloses a hydraulic lifting container gantry crane which comprises a gantry crane main beam, a movable trolley frame is arranged on the gantry crane main beam, two trolley wheel sets in rolling contact with the gantry crane main beam are installed on each of the left side and the right side of the bottom of the trolley frame, and a container lifting appliance is arranged below the trolley frame. Through the driving of the hydraulic cylinder and the design of the pulley blocks, the distance from the lifting point of the lifting appliance to the highest point of the crane is reduced to be less than or equal to 3.2 m, under the safety distance of 8.3 m clearance, the lifting height of 5000 mm can still be realized, the problem of low clearance scene pain points is solved, when the workshop clearance is relatively high, four movable pulley blocks are selected, and when the workshop clearance is only 8.3 m, a container with the full load of 20 feet needs to be carried. The lifting requirement can be met by switching to six movable pulley sets, the whole lifting mechanism does not need to be replaced, the gantry crane is suitable for carrying scenes of containers with different clearances and different specifications, and the flexibility of the gantry crane is far better than that of a traditional winch type gantry crane.

The invention relates to the technical field of hoisting equipment, and provides a lithium battery unmanned monorail hoist which comprises a suspension track and a hoist assembly, the hoist assembly comprises a car body unit, a hoisting and conveying unit and a suspension unit, the suspension unit is arranged on the suspension track, and the suspension unit comprises a power suspension unit and a load suspension unit. The vehicle body unit is connected with the power suspension unit, the hoisting conveying unit is connected with the load suspension unit, the load suspension unit comprises a suspension beam, load frames, load wheels and guide wheels, the load frames are arranged at the two ends of the suspension beam and comprise mounting ends on the two sides of a suspension rail, and the guide wheels and the load wheels are arranged at the mounting ends. The guide wheels abut against the guide side faces of the suspension rails, and the load-carrying wheels abut against the load-bearing faces of the suspension rails vertically. The problems that in the prior art, when a traveling wheel body of a suspension type rail crane faces a heavy load, due to the fact that the contact face is incomplete, the service life of the wheel body and components of the wheel body is prolonged, and the operation stability is poor are solved.

The invention relates to a method and a device for mounting roadway girders or rail elements on bridge piers to form a bridge structure. The process begins with transport, during which a deck beam 2 is moved beneath a lifting and transport system 1 on the assembly support 3. By pivoting the assembly support 3 on the lifting and transport system 1, a lateral offset is achieved, and the deck beam 2 to be installed is pivoted into the longitudinal axis of the already installed deck beam 2. It can then be lowered onto the bridge pier 5 and welded to the already installed deck beam 2.

The invention discloses a distributed crane safety monitoring and early warning device which comprises a crane main body used for hoisting materials, the crane main body comprises hardware equipment and a software system, and the hardware equipment is used for forming the crane main body and comprises a cart operation assembly, a trolley operation assembly, a main beam, a hoisting assembly and a sensor assembly. The software system comprises a data acquisition unit, a data transmission unit, a data analysis and processing unit, an early warning unit, a control unit, a man-machine interaction unit and a data storage and query unit. According to the invention, various types of sensors are reasonably arranged on each key component of the crane, and multi-source data acquisition and adaptive sampling frequency adjustment technologies are combined, so that the spatial motion state, the load state, the self-structure state and the working environment of the crane are comprehensively and accurately monitored, diversified early warning modes and graded early warning mechanisms are provided, and the safety and reliability of the crane are improved. And the pertinence and effectiveness of early warning are improved by combining context awareness and intelligent voice early warning.

The disclosure relates to a driving apparatus for a mobile crane comprising an internal combustion engine, an electric machine, and a transfer case for selectively distributing power outputted to the transfer case to a driving mechanism, and to a pump arrangement for performing crane operation, wherein the internal combustion engine cooperates with an input shaft of the transfer case that cooperates with the driving mechanism, the electric machine cooperates with an intermediate shaft of the transfer case, and the pump arrangement cooperates with an output shaft of the transfer case. The driving apparatus comprises a first clutch arranged between the input and intermediate shafts for coupling them to each other or decoupling them from each other as required, and a second clutch arranged between the intermediate and output shafts for coupling them to each other or decoupling them from each other as required.

The invention relates to the field of cranes, in particular to a crane traveling wheel set with a track cleaning function, which comprises a track frame and a traveling wheel set arranged on the track frame, a retracting part is arranged at the front part of the upper end of the traveling wheel set, and the end part of the retracting part is connected with a lubricating oil tank; two brush bodies are symmetrically and obliquely installed at the lower end of the lubricating oil tank, the ends of the brush bodies are attached to the rail frame, a plurality of oil outlet holes are formed in the position, between the two brush bodies, of the lower end of the lubricating oil tank in a linear array penetrating mode, and a V-shaped shovel head is fixedly installed on the lower portion of the front end of the lubricating oil tank and attached to the rail frame. The labor intensity of workers is reduced, the working efficiency is improved, meanwhile, the phenomena that a V-shaped shovel head damages a lubricating oil layer and lubricating oil is continuously discharged to cause waste are avoided, and the phenomenon that the lubricating oil is polluted when the brush body is used for smearing is prevented.

A multi-tower linkage type aerial hoisting platform includes: four tower crane body lifting / lowering parts respectively disposed in an outer periphery of a building to form a rectangle through enclosure, and including a tower crane body and a self-climbing lifting / lowering system that is capable of climbing or descending step by step along the tower crane body; four tower-crane-body-connected support beams, respectively disposed on two opposite self-climbing lifting / lowering systems, where a hoisting platform enclosed by the tower-crane-body-connected support beams is driven by the self-climbing lifting / lowering systems to move up and down synchronously; and four movable tower crane bases, respectively disposed at lower ends of the four tower crane body lifting / lowering parts, including movable chassis that are used as movable supports with a variable platform angle and support parts disposed on the movable chassis, where four corners of the support parts are respectively provided with rotary drilling fastening parts.

The invention discloses a crane sling control method and device and electronic equipment, and relates to the field of hoisting machinery. The method comprises the following steps: acquiring an image sequence of a lifting appliance; performing feature extraction and target detection on each image to obtain pixel coordinates at two ends of the lifting appliance; calculating the inclination angle of the lifting appliance in each image to obtain a swinging angle sequence; judging whether the lifting appliance is in an abnormal swinging state or not, and determining a target swinging angle from the swinging angle sequence; if it is determined that the lifting appliance is in the abnormal swing state, the swing angle difference value of the target swing angle relative to the preset swing angle range is calculated; according to the swing angle difference value, compensation force is generated and applied to the lifting appliance, and the compensation direction of the compensation force is opposite to the swing direction of the lifting appliance. According to the technical scheme, the compensation force is automatically generated according to the swing angle difference value, abnormal swing of the lifting appliance is restrained, and the safety of lifting operation is improved.

To provide a heavy object movement device and a heavy object movement method using the heavy object movement device that allows easy transportation to a construction site and installation at the site.SOLUTION: A heavy object movement device comprises: traverse rails; a pair of gantry frames provided facing each other near both ends of the traverse rails; and a lifting mechanism that runs along the traverse rails. A heavy object movement method using the heavy object movement device to move heavy objects includes the steps of: deploying and installing gantry frames having shortened braces and connecting beams, in which the gantry frames comprise a pair of braces that can be expanded and contracted in the height direction, and the connecting beam that connects the upper ends of the braces and can be expanded and contracted in the longitudinal direction; lifting and moving a heavy object by making a heavy mechanism run along the traverse rails while the heavy object is suspended; and minimizing the unfolded gantry frames by shortening both the braces and the connecting beams.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of trolley cable pulleys, and discloses an anti-derailment safety trolley pulley which comprises a hanger plate, two connecting plates are welded on the hanger plate, mounting plates are fixedly mounted on the connecting plates through bolts, and two pulleys are arranged on each mounting plate. A mounting hole is formed in the mounting plate, the middle of the pulley is rotationally connected with a threaded shaft rod, the threaded shaft rod penetrates through the mounting hole, and the threaded shaft rod is in threaded connection with an outer hexagonal nut; limiting grooves are formed in the outer walls of the threaded shaft rods in a clamped mode, limiting protrusions are arranged on the inner walls of the mounting holes, the limiting protrusions and the limiting grooves are connected in a matched and clamped mode, nut limiting plates are fixedly connected to the connecting plates, the nut limiting plates are clamped between the nuts of the two threaded shaft rods, and the nut limiting plates are connected with the mounting plates through bolts. The pulley can be effectively ensured to be used stably, and the pulley is prevented from being derailed due to abrasion caused by loose connection between the pulley and a frame.

The present invention relates to a drive device for a mobile crane, comprising an internal combustion engine for delivering power, an electric machine for delivering power in its motor mode and / or for generating power in its generator mode, a distribution gearbox for selectively distributing power delivered to the distribution gearbox to a drive mechanism for moving the mobile crane, and a pump arrangement for performing crane operation, wherein the internal combustion engine interacts with an input shaft of the distribution gearbox, the input shaft interacts with the drive mechanism, the electric machine interacts with an intermediate shaft of the distribution gearbox, and the pump arrangement interacts with an output shaft of the distribution gearbox.The drive device is characterized by a first coupling arranged between the input shaft and the intermediate shaft to couple or disconnect the input shaft and the intermediate shaft as required, and a second coupling arranged between the intermediate shaft and the output shaft to couple or disconnect the intermediate shaft and the output shaft as required.

Dynamic energy transfer (DET) systems are costly and time-consuming to install. Accordingly, an installation system is disclosed that comprises stowage for rail segments and poles, two strategically positioned cranes, and / or strategically positioned platforms, to enable less expensive and faster installation of the various components of a DET system. Installation, utilizing the installation system, can significantly decrease the cost of installation, while increasing the rate of installation and maintaining safety.

A system and method for construction of a framed structure which permits on-site storage and relocation of construction materials using trolleys and cranes supported by the framed structure. The system provides a runway surface for removable attachment of trolleys, crane bridges, and platforms by offsetting the first longitudinal beam and a second longitudinal beam from a cross beam and where the first longitudinal beam, second longitudinal beam, and cross beam of the system provide components for the framed structure.

Transport system (100, 200, 300, 400, 500) for moving loads on a surface, comprising at least one rail track and at least one transport vehicle (50) running on wheels (12, 12A) on the rail track, characterized in that the rail track comprises a solitary rail (10, 312, 314, 412, 414, 512, 514) for receiving the load of the transport vehicle (50), that the transport vehicle (50) comprises at least one front wheel (12) and at least one rear wheel (12A), each bearing a tread (14) with a concave cross-section in the direction of travel one behind the other on the rail (10, 312, 314, 412, 414, 512, 514), and that the transport vehicle (50) further comprises support rollers (52A, 52B) includes, which are arranged on both sides of the front and rear wheels (12, 12A) and run on the ground on both sides of the rail (10, 312, 314, 412, 414, 512, 514).

The invention provides circuit breaker assembling equipment for ultrahigh-voltage alternating-current power transmission and an assembling method of the circuit breaker assembling equipment, and belongs to the technical field of circuit breaker assembling equipment. The bottom plate is fixedly connected to the bottom of the top plate, electromagnetic blocks are arranged at the two side ends of the top plate, the top plate, the bottom plate and the two electromagnetic blocks are wrapped with a case, and two grips are fixedly connected to the top of the top plate; the lifting hook is arranged at the bottom of the bottom plate; the adjusting mechanism is arranged between the top plate and the bottom plate, and the winding wheel winds one end of the steel rope through rotation and is used for pulling the modularized circuit breaker parts to ascend and descend through the lifting hook, so that the circuit breaker parts are subjected to three-dimensional space displacement in the case, accurate butt joint between the modularized circuit breaker parts is facilitated, and the practicability is high. Assembly workers are assisted to accurately assemble modularized circuit breaker parts, the assembling difficulty of the modularized circuit breaker is reduced, and the assembling efficiency of the modularized circuit breaker is improved.

The invention relates to the technical field of hoisting equipment, in particular to a crown block hoisting system. Comprising a cart support arranged on the ground and a cart unit arranged on the cart support in a matched mode, and the cart unit moves along the cart support. A trolley moving beam is arranged on the cart unit, the trolley unit is arranged on the trolley moving beam in a matched mode, and the trolley unit moves along the trolley moving beam; a hoisting unit is arranged on the trolley unit, and the operating end of the hoisting unit is connected with the hoisting connecting mechanism; the hoisting connecting mechanism is used for fixing a to-be-hoisted object; the cart support comprises supporting legs and cart cross beams arranged on the supporting legs. Monitoring cameras are arranged on the two sides of the cart support and the two sides of the trolley moving beam respectively and used for monitoring the operating environment and the equipment state of the crown block in real time, and the positions of the cart, the trolley and the hoisting state of the crown block are monitored; the monitoring camera is connected with the NVR through the switch; the invention aims to solve the technical problem of monitoring the positions of the cart and the trolley of the crown block.

The invention discloses windproof portal hoisting equipment and a using method, and relates to the technical field of cranes, the windproof portal hoisting equipment comprises a main beam frame and first windproof mooring ropes, first fixing boxes are arranged on the first windproof mooring ropes in a matched mode, stop assemblies are arranged in the first fixing boxes, and mounting frames are fixedly arranged on one sides of walking rails; first racks are fixedly arranged at the upper ends of the interiors of the mounting frames, first gears are symmetrically arranged on one sides of the first racks in a matched mode, a limiting mechanism is arranged in the fourth fixing box, and a supporting mechanism is arranged in the fixing plate. According to the device, the main beam frame is preliminarily fixed through the symmetrically-arranged first windproof cables and the multiple clamping blocks arranged in the first fixing box, the main beam frame is finally fixed by arranging a limiting mechanism and a first gear through the self-locking performance of a first worm gear and a first worm, the first gear is driven to rotate through a second gear, and the first gear is driven to rotate through a second gear; and the first gear is always aligned with the meshing part of the first rack.