169 results about "Mobile crane" patented technology

The invention provides a conveying platform for internal parts of a compact fusion reactor and a using method of the conveying platform, and belongs to the field of transportation of the internal parts of the fusion reactor. Vacuum outdoor transportation parts of the conveying platform comprise a supporting steel frame assembly, a transportation track assembly, a transportation trolley assembly and a mobile crane assembly, and the supporting steel frame assembly comprises a cage-shaped steel frame; one section of the transportation track assembly is straightly installed in the building channel, the other sections of the transportation track assembly are straightly located in the cage-shaped steel frame and extend to a window in the vacuum chamber, and the movable crane assembly and the transportation trolley are sequentially located on the transportation track assembly. The cable-stayed hanger rail component comprises cable-stayed rods, a bearing steel beam and an annular hanger rail, the cable-stayed rods are installed at the upper end of the regular polygon-shaped frame in an annular array mode, one end of each cable-stayed rod is connected with the upper window collar of the vacuum chamber, and the other end of each cable-stayed rod is connected with the bearing steel beam of the frame. According to the invention, after internal parts on the equatorial plane of the vacuum chamber are quickly conveyed, the internal parts can be conveyed through simple adjustment.

A remote operation terminal of a crane provided with a GNSS receiver for calculating the current position of the tip of a boom: acquires attitude information of the crane and the current position of the tip of the boom from a control device of the crane; generates a three-dimensional image of the crane at the current time and planimetric features on the basis of the information acquired from the control device and three-dimensional information acquired by a three-dimensional information acquisition unit; displays, on a display device, the generated three-dimensional image at the position of and in the direction of a viewpoint input to a viewpoint changing operation tool; and generates a control signal for the crane so that the tip of the boom of the three-dimensional image moves in a moving direction input to a suspended load moving operation tool in the three-dimensional image of the crane displayed on the display device.

The disclosure relates to a mobile work machine, in particular a mobile crane, which comprises a movable undercarriage, a superstructure which is rotatably mounted on the undercarriage and which is separably connected to the undercarriage via a coupling device, and a mechanical power transmission means, wherein the undercarriage comprises a motor and a first shaft that can be mechanically driven by the motor and that is mechanically connected to a second shaft of the superstructure via the power transmission means. In accordance with the disclosure either the power transmission means is mounted rotatably on the undercarriage and is detachably connected to the second shaft via a mechanical interface or the power transmission means is mounted on the superstructure for conjoint rotation and is detachably connected to the first shaft via a mechanical interface. The disclosure further relates to a drive system for a work machine according to the disclosure.

The present invention relates to a crane cabin door system for a mobile crane, with - a door designed to close an access opening of the crane cabin and guided between an open position and a closed position by a guide mechanism; - a door drive designed to move the door between the open position and the closed position; - a control unit connected to the door drive and at least one control element, which controls the door drive in accordance with a user input made via the at least one control element.

The utility model provides an anti-shaking mobile crane for hoisting, which comprises a crane support, an angle adjusting mechanism is mounted at the top end of the crane support, an L-shaped mounting plate is mounted at one end, far away from the crane support, of the angle adjusting mechanism, and a grabbing movement adjusting mechanism is mounted on the L-shaped mounting plate. According to the crane, through the cooperative arrangement of all the structures, an object to be grabbed can be grabbed and released conveniently through the grabbing assembly, multi-angle adjustment of the grabbing assembly can be achieved conveniently under the cooperative arrangement of the grabbing movement adjusting mechanism and the angle adjusting mechanism, the grabbing flexibility of the crane can be improved, meanwhile, stability is high, and popularization is facilitated.

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.

A method is provided for controlling an operation of a mobile crane, the operation comprising a user input, the user input comprising a command to change a configuration of the mobile crane. The method comprises the steps of: determining a current tipping moment of the mobile crane, the tipping moment comprising a moment about a tipping line of the mobile crane; predicting an effect of the user input on the tipping moment of the mobile crane; and if the predicted effect of the user input is to increase the tipping moment of the mobile crane past a predetermined amount, altering a response to the user input. A system for controlling an operation of a mobile crane, and a user display system for a mobile crane are also provided.

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 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 utility model relates to the technical field of cranes, in particular to a mobile crane, which comprises a connecting bottom plate capable of being quickly detached at the bottom of a supporting structure, and pulleys capable of sliding in a spiral chute at the bottom of the supporting structure to realize extension and retraction, the device can rapidly move in the internal environment and the external environment and switch the hoisting mode, the supporting beam is supported through the supporting structure, the hoisting height is adjusted, the hoisting structure adjusts the vertical falling position of the hoisting cable in the device, and different positions of a heavy object are fixedly hoisted. According to the utility model, the supporting structure is arranged to quickly move in an external environment to carry out hoisting operation, and the hoisting structure is arranged to improve the applicability to different types of heavy objects.

The utility model discloses a container surface cleaning system. The utility model relates to a sweeping device for a road sweeper, which comprises a foundation, a sweeping chamber, a roller conveying line, a movable platform, a sweeping support, a crown block track, a movable crown block, a top sweeping module, a side sweeping module, a bottom sweeping module and a front and back sweeping module, the roller conveying line penetrates through two outlets of the sweeping chamber, and the movable crown block is arranged on the crown block track at the top of the sweeping support and longitudinally moves front and back. The side face sweeping module comprises a side face fixed end sweeping module, a side face adjusting type sweeping module and a top sweeping module, the side face fixed end sweeping module and the side face adjusting type sweeping module are hung on the movable crown block, and the bottom sweeping module is arranged below the movable platform. The container cleaning system can automatically clean the six surfaces of the container, can adapt to containers with different widths, uses air instead of water in the whole process, improves the blowing efficiency, and reduces the environmental problem caused by sewage discharge.

The invention relates to the technical field of cranes, in particular to a mobile crane assembly tower butt joint monitoring device based on a machine vision technology. The device comprises a pair of guide parts, a horizontal limiting part and a vertical limiting part. According to the method, data visualization of the tower section butt joint progress and position is achieved through the machine vision technology, a driver can better control the hoisted tower section conveniently, and the tower assembling construction safety is improved.

The invention discloses a mobile crane control method and system based on space attitude perception, and relates to the technical field of cranes, and the method comprises the following steps: obtaining first crane data; according to the first crane data, calculating tower section center point coordinates and Euler angle attitudes based on a binocular vision three-dimensional reconstruction algorithm to obtain second crane data; inputting the second crane data into a self-adaptive fuzzy PID (Proportion Integration Differentiation) controller, and generating a hydraulic valve opening degree control instruction by combining pre-acquired environmental data and load weight dynamic setting control parameters; and controlling and driving a crane slewing mechanism according to the hydraulic valve opening control instruction. The method is used for solving the problems of insufficient target positioning precision of the mobile crane and poor stability of a control mechanism under complex working conditions.

The utility model discloses a mobile crane suitable for small factories, and relates to the technical field of cranes, the mobile crane comprises a support plate, a suspender rotatably arranged on the support plate and a variable speed driving mechanism arranged on the support plate, the variable speed driving mechanism is in transmission connection with the suspender, and a lifting rope is wound on the suspender; four sets of transverse telescopic mechanisms are arranged on the supporting plate in a circumferential array mode, a vertical lifting rod is arranged at the end, away from the supporting plate, of any transverse telescopic mechanism, and universal wheels are arranged at the bottom ends of the vertical lifting rods. By controlling the extension of the four groups of transverse telescopic mechanisms, the transverse coverage space of the crane can be increased; the longitudinal coverage space of the crane can be increased by adjusting the length of the vertical lifting rod, so that the crane can adapt to lathes with different sizes; through the design of the variable-speed driving mechanism, the rotating speed of the lifting rod can be controlled, so that the crane can lift parts with different weights.

An embodiment relates to a mobile crane having an articulated body and an elongate boom attached to the body, the boom being for carrying a load when the crane is stationary and while the crane is mobile. The boom is articulated to provide a movement for lifting and lowering an end of the boom, and the boom is further articulated to provide a movement of the boom laterally. A further embodiment relates to controlling swing of a load carried at the end of a boom of a mobile crane by varying lateral orientation of the boom.

The invention relates to a steering system for a mobile work machine, in particular for a mobile crane, which comprises at least one mechanically steerable front axle, at least one trailing-steered rear axle, and at least one rear axle steerable by means of at least one steering cylinder. The front and rear axles are arranged one behind the other along a longitudinal axis of the steering system and comprise wheels whose axes of rotation, which are notionally extended on the side of the curve center when cornering, intersect a common steering pole plane perpendicular to the longitudinal axis. According to the invention, at least one trailing-steered rear axle is arranged between a front axle and the steering pole plane. The invention further relates to a mobile work machine with such a steering system.

The present invention relates to a mobile crane having a travelable undercarriage, a superstructure rotatably supported on the undercarriage, and a counterweight device couplable to the superstructure, wherein the counterweight device comprises a carrier plate on which one or more counterweight elements can be stacked, and at least one connection element extending substantially perpendicular to the carrier plate for coupling the carrier plate to the superstructure.

The utility model provides double-crane hoisting equipment, and relates to the technical field of glass hoisting. The double-crane hoisting equipment comprises two moving cranes, a balance bar, a connecting frame, a suction cup frame and two lead screw assemblies which are installed on a workshop track beam, first connecting rings are fixedly connected to the two ends of the top of the balance bar, and lifting hooks of the two moving cranes are arranged in the two first connecting rings correspondingly; the bottom of the balance bar is fixedly connected with a connecting plate, and the connecting plate and the connecting frame are connected through a connecting assembly. According to the device, the connecting frame is made to be horizontal through the arranged lead screw assembly, so that the ultra-large plate glass is horizontally moved and hoisted, combined hoisting is conducted through the two moving cranes under the action of the balance bar, the connecting frame, the fixing frame and the suction cup frame, the device can be used for hoisting the ultra-large plate glass large in size and heavy, the installation performance is improved, and the cost is reduced. And larger travelling crane equipment is not required, so that the cost is saved.

To provide a mobile crane boom working range determination system that can be applied to existing mobile cranes and can inform an operator of the suitability of the boom working range. [Solution] The device is characterized by comprising a mobile terminal 18 having a first measuring means 12, a second measuring means 14, and a third measuring means 16, a memory means 20 in which at least a rated load diagram of a work vehicle 50 is stored, an input means 22 for selecting the type of work vehicle 50 and inputting the hanging load, and a calculation means for calculating the working radius of the telescopic boom 54 based on the measurement values ​​measured by the second measuring means 14 and the third measuring means 16, comparing the working radius with an allowable working radius obtained by applying the hanging load input via the input means and the outrigger extension amount measured via the first measuring means to the rated load diagram, and determining whether the working radius is equal to or less than the allowable working radius.

The invention discloses an automatic monitoring and cleaning system and method for distributed reservoir branch blocking door sand, and belongs to the technical field of water conservancy projects. The system comprises a distributed energy module, a water pumping and desilting module, a monitoring module, a gate dam regulation and control module and a control module. Energy is provided through photovoltaic and wind power generation, pumping and desilting are conducted through a pump station or a pump ship connected through a flexible pipeline, and a spiral spring or a spiral protrusion or other anti-blocking devices are arranged at a pump inlet. The monitoring module monitors the water level difference and the flow velocity in real time through a radar water level gauge and a flow measuring camera. The gate dam regulation and control module comprises an assembled water and sediment retaining dam, a double-layer gate system and a movable crane. The control module automatically controls directional scouring and gate opening and closing according to monitoring data. Automatic monitoring, accurate cleaning and hydraulic breaking of the blocking door sand are achieved, the dredging efficiency is effectively improved, and communication of main and branch reservoir capacities of a reservoir is guaranteed.

The utility model discloses a suspended truss device for a crane pipe, which belongs to the technical field of loading crane pipes, is suspended on a trestle beam and comprises a cross beam frame and a crane pipe connecting seat, the cross beam frame consists of a Y-axis track frame, an X-axis track frame and a moving trolley, and the crane pipe connecting seat is fixed below the moving trolley. The movable trolley can move relative to the X-axis track frame or the Y-axis track frame so as to drive the crane pipe to move and align; according to the scheme, by designing the suspended truss device, the purpose of automatically moving and aligning a common crane pipe is achieved, that is, the automatic moving crane pipe which is compact in structure, stable in operation and low in cost is formed by combining the common crane pipe with the suspended truss device, and the defects existing in use of an existing common crane pipe are overcome.

The disclosure relates to an assembly head for a telescopic boom that can be separated into an inner and an outer boom set and that is reversibly mountable at an inner telescopic section of the outer boom set. The assembly head comprises a pulley head having deflection pulleys and a telescopic tube section that is arranged the pulley head, that can be pushed into the inner telescopic section from its end, and that has a substantially smaller length than the inner telescopic section. The disclosure further relates to a separable telescopic boom having an assembly head in accordance with the disclosure, to a mobile crane having a telescopic boom in accordance with the disclosure, and to a method for the self-assembly of an assembly head in accordance with the disclosure at the outer boom set of a telescopic boom.

To provide a mobile crane capable of further reducing a load acting on a non-telescopic main jib at the time of derricking and increasing an overall support load.SOLUTION: The invention relates to a mobile crane (1) comprising a main jib (2) and a counter-jib (6) which can be moved up and down, but not telescoped, by means of at least one main pulling means (7). The main tensile connector (7) extends between a first connection point (2c) in the region of the head end (7a) of the main jib (2) and a second connection point (6b) in the region of the head end (7b) of the counter-jib (6), wherein a first secondary tensile connector (8) and a second secondary tensile connector (9) are arranged between the main tensile connector (7) and the main jib (2), wherein the first secondary tensile connector (8) has a fixed length. In order to further reduce the loads acting on the main jib, in particular during raising and lowering, and to increase the overall bearing load, it is proposed that the length of at least a part of the second secondary tensioning means (9) is variable.SELECTED DRAWING: Figure 2

The application provides a kind of automobile crane personnel intrusion monitoring method and device, belong to engineering machinery safety monitoring technical field.The method includes: synchronous acquisition contains the RGB image of pedestrian information, disparity map and three-dimensional point cloud data, and time-space registration is carried out and is preprocessed to establish training set;Personnel intrusion monitoring model of automobile crane is constructed, including feature extraction module, boom prediction module, pedestrian position prediction module and time-space registration module;Personnel intrusion monitoring model of automobile crane is trained using training set data;Collect construction site RGB image, disparity map and three-dimensional point cloud data, after time-space registration, input personnel intrusion monitoring model of automobile crane completed training according to the relationship between the position of pedestrian, motion direction and fence, determine intrusion risk.The application improves the pedestrian recognition accuracy in complex environments such as rain, fog and occlusion through the time-space attention feature fusion mechanism, and can provide early warning for potential intrusion behavior.

The invention discloses railway special line rail brazing equipment, and relates to the technical field of brazing, the railway special line rail brazing equipment comprises a main body unit which comprises a mobile crane, a lifting hook arranged on the mobile crane, a rail welding machine arranged on the lifting hook, and a rail body arranged on the rail welding machine; the pre-welding positioning unit comprises threaded rolling assemblies which are arranged above the rail body and located on the two sides of the rail welding machine. According to the railway special line rail brazing equipment, a threaded rotating shaft and a threaded roller on the pre-welding positioning unit make contact with a rail fixed on site in advance in the descending process of a rail welding machine, and in the continuous descending process of the rail welding machine, the threaded rotating shaft and the threaded roller rotate on a rail body and enable two rotating clamping plates to be close to each other till the threaded rotating shaft and the threaded roller are clamped and positioned on the rail body; and the rail welding machine is in a stable descending state when descending to make contact with the rail body, the stability of the rail welding machine in the descending process is improved, and the situation that the rail body is damaged due to the fact that the rail welding machine shakes in the welding process is avoided.

The invention relates to the technical field of cranes, in particular to a retractable self-moving type cantilever crane which comprises a moving seat, a walking wheel set, a base, a supporting column, a rotating seat, a cantilever and a lifting hoist. The automatic supporting piece comprises four strip-shaped shells fixed to the bottom face of the moving base and distributed in a convolution mode, transmission pieces sliding along the side walls of the strip-shaped shells, supporting mechanisms sliding along inner cavities of the strip-shaped shells and provided with supporting discs at the outer ends and a driving mechanism synchronously driving the four supporting mechanisms to move through the transmission pieces, and the supporting mechanisms can move downwards when sliding outwards. The adjusting seat comprises a U-shaped seat fixed at the top of the rotary seat; the counterweight mechanism comprises a short beam clamped in the U-shaped seat in a sliding mode and a counterweight plate arranged on one side of the short beam, an open groove hinged to the inner end of the cantilever is formed in one side of the short beam, and the swinging telescopic cylinder drives the cantilever to swing up and down; a transmission mechanism for driving the short beam to slide horizontally is arranged on the outer side of the adjusting seat; the movable crane can be conveniently and rapidly fixed and supported after moving, and the phenomenon that the cantilever is damaged during moving is avoided.

The invention relates to a locking device (30) for a telescopic boom (12), in particular of a mobile crane (1), comprising an actuator (32) for generating an actuating force, a driver (36) which is configured to be reversibly coupled to an associated locking bolt (52) held on a boom extension (18) of the telescopic boom (12) during a telescoping movement of the telescopic boom (12) and to be moved between at least one locking position (64) and a release position (78) under the influence of the actuating force to adjust the locking bolt (52), at least one driver bolt (38) which is configured to be moved reversibly between a drive position (80) engaging an inner boom extension (18) and an idle position (82) not engaging a boom extension (18) under the influence of the actuating force, and an actuating cam (40).which is designed for the joint movement of the locking bolt (52) and the drive bolt (38), wherein a plane of movement of the actuating cam (40) is aligned perpendicular to the telescoping direction of the telescoping boom (12) in the intended assembly state.

A system for managing working modes of a mobile crane in a job site, the system comprising:a position sensor for the mobile crane in the job site,a position sensor for the hook of the mobile crane relative to a reference point of said mobile crane,a module for managing the working mode of the mobile crane configured to define the working mode of the mobile crane selected from:the “displacement” mode corresponding to a displacement of the mobile crane in the job site,the “fixed work” mode corresponding to a situation in which the mobile crane is fixed in the job site and the position of its hook is variable,a communication device configured to communicate an indication of the working mode of the mobile crane to at least one other crane of the job site.

The invention relates to a telescopic boom (1) for a working device, in particular a crane or mobile crane, comprising - at least three telescopic sections (3, 4, 5), wherein a first telescopic section (3) is arranged, at least in certain regions, around a second telescopic section (4), and the second telescopic section (4) is arranged, at least in certain regions, around a third telescopic section (5), - at least one drive device (6) for telescopically retracting and / or extending the second telescopic section (4) relative to the first telescopic section (3), and - at least one synchronizing device (7) by means of which the third telescopic section (5) is able to be telescoped, in particular synchronously, relative to the second telescopic section (4), wherein the at least one synchronizing device (7) is arranged substantially completely within the second telescopic section (4).

The present invention relates to a drive device for a mobile crane, which comprises an internal combustion engine for outputting power, an electric machine for outputting power in its motor mode and / or for generating power in its generator mode, and a transfer case for selectively distributing power output to the transfer case to a drive mechanism for moving the mobile crane and a pump arrangement for performing a crane operation, wherein the internal combustion engine interacts with an input shaft of the transfer case, the input shaft interacts with the drive mechanism, the electric machine interacts with an intermediate shaft of the transfer case, and the pump arrangement interacts with an output shaft of the transfer case.The drive device is characterized by a first clutch arranged between the input shaft and the intermediate shaft for coupling or disengaging the input shaft and the intermediate shaft as needed, and a second clutch arranged between the intermediate shaft and the output shaft for coupling or disengaging the intermediate shaft and the output shaft as needed.