433 results about "Aerial work platform" patented technology

A lift device includes a chassis, a lift assembly supported on the chassis, a platform assembly including a platform floor and a rail, a sensor coupled to the platform assembly and positioned adjacent the platform floor, a control system in communication with the lift assembly and the sensor, and an operator input implement in communication with the control system. The sensor is oriented to sense objects above the platform assembly. The platform assembly is displaceable by the lift assembly between a raised position and a lowered position. The control system is programmed to shut down an active function in response to detection of an object by the sensor and to re-engage the active function in response to operation of the operator input implement.

The invention relates to the technical field of robot and unmanned aerial vehicle control, and solves the technical problems that in the prior art, when an unmanned aerial vehicle platform carries a mechanical arm for operation, the total center of mass of a system drastically shifts due to movement of the mechanical arm, then dynamically changing disturbance torque is generated, and the attitude of an unmanned aerial vehicle is unstable and even out of control. The coupling dynamics compensation and vibration suppression method for the aerial work platform comprises the steps that feedforward compensation torque used for counteracting disturbance torque generated due to the change of the position of the total mass center is obtained and decoupled into a control instruction for controlling thrust of multiple rotor wings of an unmanned aerial vehicle platform through a mixed control matrix, and accurate control of the unmanned aerial vehicle platform is realized. According to the method, the self-adaptive feed-forward compensation mechanism is introduced, the mass center change caused by movement of the mechanical arm can be sensed and predicted in real time, the feed-forward compensation torque is generated accordingly, the disturbance torque generated accordingly is actively counteracted, and therefore the attitude stability and operation precision of an unmanned aerial vehicle platform are remarkably improved.

An on-board electronics system of an aerial work platform moves the wheels between a retracted and extended position by pivoting a respective arm. The method comprises the following successive steps: a) orienting each wheel tangentially to the pivoting path of the corresponding arm, b) moving the wheel by pivotally actuating the corresponding arm, and c) reorienting the wheel so as to enable another translation of the aerial work platform. The steps are performed in different orders between the wheels so that at any time at least one of the following conditions is complied with: —the brake system of at least one wheel is active, —at least one wheel is rotated by a motorised drive, —the orientation of the wheels relative to one another prevents any translation of the aerial work platform (1) on the ground as a result of gravitational force.

The application provides a support leg device, a chassis and an aerial work machine. The support leg device comprises a support leg mechanism, a sliding mechanism and a scissor-type telescopic jib. The support leg mechanism comprises a fixed support leg and a telescopic support leg arranged in a telescopic manner. The fixed support leg is provided with a first sliding groove. The sliding mechanism comprises a driving sliding block movably connected to the first sliding groove and a transmission connection assembly transmissionally connected between the telescopic support leg and the driving sliding block. The transmission connection assembly is used for converting the telescoping force of the telescopic support leg into the driving force of the driving sliding block sliding in the first sliding groove. The scissor-type telescopic jib comprises a fixed arm section and a driving arm section arranged in a cross manner. The fixed arm section is fixedly connected to the fixed support leg. The driving arm section is fixedly connected to the driving sliding block. The support leg device provided by the application can realize the horizontal telescoping action and the vertical telescoping action of the support leg device by using only one set of driving oil cylinders. Meanwhile, the horizontal telescoping action and the vertical telescoping action can be performed synchronously, which greatly improves the unfolding and contraction efficiency of the support leg device.

1. Name of the product in this design: Aerial Work Platform (Sleeve Type). 2. Purpose of this design: for high-altitude operations. 3. The key design features of this product are the combination of shape and color. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. The design for which protection is sought includes color. 6. Design 1 is designated as the basic design.

The utility model relates to an aerial work platform which comprises a main platform unit, the main platform unit comprises a main work platform and a first guardrail assembly, the first guardrail assembly is arranged on the edge of the main work platform in a surrounding mode, and the first guardrail assembly extends in the height direction; the anti-collision unit comprises an anti-collision rod assembly, and the anti-collision rod assembly is assembled on the first guardrail assembly; the anti-collision rod assembly comprises an upper structure, a lower structure and an induction piece, one end of the upper structure is rotationally connected with the lower structure, and the induction piece is installed at the other end of the upper structure. During working, the induction piece is driven by the upper structure to move to a high point. According to the anti-collision structure, the lifting action of the working platform can be stopped in time after a top obstacle is detected, safety accidents are effectively avoided, good top anti-collision protection measures are provided for operators, the anti-collision structure can be folded and stored conveniently in a non-working state, and therefore the trafficability of the whole machine in a stored state cannot be affected.

A platform for a lift device includes a base, a plurality of rails, and a deck. The plurality of rails at least partially surrounding the base. The deck is selectively coupled to the plurality of rails.The deck is moveable between a storage position and a use position. The deck includes a front side opposite a back side, a first lateral side, and a second lateral side opposite the first lateral side. The lateral sides extend between the front side and the back side. The deck includes a locking mechanism configured to secure the deck in at least one of the storage position or the use position. In the storage position, the deck is substantially perpendicular with the base and in the use position, the deck is substantially parallel with the base.

The invention discloses an overhead working truck overturning situation early warning method and system, and the method comprises the steps: solving the total torque of a plurality of parts of an overhead working truck, the load in the vertical direction, and the horizontal and vertical distance of the connecting line of the end points of two adjacent supporting legs, thereby obtaining the reaction force of each supporting leg; if the supporting reaction force of each supporting leg is greater than the negative pressure adsorption force provided by the sucking disc at the bottom of the corresponding supporting leg, the overhead working truck does not overturn; on the contrary, if the overturning situation occurs or the risk of overturning occurs, the overhead working truck stops moving; the overhead working truck overturning situation early warning method further comprises the steps that the included angles formed by the terminal points of the two adjacent supporting legs of the overhead working truck and the connecting line of the whole mass center during operation of the overhead working truck are calculated, and if the sum of the included angles is equal to 360 degrees, the overhead working truck does not overturn; on the contrary, if the overturning situation occurs or the risk of overturning occurs, the overhead working truck stops moving. The accuracy of judging whether the overhead working truck is overturned or not can be improved.

The utility model relates to the technical field of railway catenary maintenance equipment, in particular to an end effector for wiping a catenary insulator. Comprising a fixing frame, an opening and closing motor is arranged on the fixing frame, a transmission assembly is connected to the opening and closing motor, an upper swing arm assembly and a lower swing arm assembly are connected to the transmission assembly, and wiping assemblies are arranged on the upper swing arm assembly and the lower swing arm assembly. The wiping assembly is in transmission connection with a driving assembly arranged on the upper swing arm assembly and the lower swing arm assembly. Compared with a traditional water cannon vehicle washing mode, accumulated dust and dirt on the surface of the insulator can be more effectively removed through rotary wiping of the brush wheel, and a higher cleaning effect is achieved; meanwhile, waste of a large amount of water resources is avoided, and the requirements of environmental protection and sustainable development are met; manual wiping operation is replaced, and the safety risk of operators in high-altitude and electrified environments is eliminated; an aerial work platform or climbing equipment is not needed, so that the labor intensity is obviously reduced.

This utility model relates to the technical field of mast-type aerial work platforms, specifically to a mast-type aerial work platform with a fall protection structure. It includes a chassis, a turntable, a housing, a mast, a swing arm, and a work bucket. The mast has multiple stages; the primary mast is fixedly connected to the turntable, and the final mast is hinged to the swing arm. Each stage of the mast is driven by a chain. The fall protection structure is located inside the mast and includes multiple steel wire ropes. One end of the first steel wire rope is fixedly connected to the upper end of the primary mast, and the other end passes over the top of the second-stage mast and is fixedly connected to the bottom of the third-stage mast. One end of the second steel wire rope is fixedly connected to the upper end of the second-stage mast, and the other end passes over the top of the third-stage mast and is fixedly connected to the bottom of the fourth-stage mast. Subsequent steel wire ropes follow the same principle. This utility model effectively prevents the mast from falling when the chain breaks, further improving the operational safety of the mast-type aerial work platform.

An anti-tip-over control method and apparatus for an aerial work platform, and a device and a medium. The method comprises: acquiring the center-of-gravity position and weight of each functional unit of the current aerial work platform (S110); collecting the slewing angle of an entire machine, and selecting a corresponding tip-over line calculation formula to perform calculation to obtain a tip-over line of the entire machine (S120); acquiring the real-time inclination state of the entire machine, and selecting a corresponding moment calculation formula (S130); on the basis of the moment calculation formula, performing calculation to obtain the moment of each functional unit (S140); on the basis of the real-time inclination state of the entire machine, respectively determining a tip-over moment and the composition of a stable moment for offsetting the tip-over moment (S150); and calculating the difference between the stable moment and the tip-over moment, so as to determine a movement distance for a hinge point unit, thereby bringing the entire machine into equilibrium (S160).

The invention relates to the technical field of overhead working equipment control, and discloses a motion control method of an overhead working truck. According to the method, horizontal and vertical position and attitude signals of a hanging frame are collected in real time through a multi-sensor module mounted on the hanging frame. And carrying out real-time fusion on the multi-sensor signals by adopting a self-adaptive data fusion algorithm to obtain comprehensive pose information of the lifting frame. And horizontal and vertical driving signals are respectively generated through fuzzy proportional-integral-differential control and a sliding mode variable structure control algorithm, so that accurate motion control is realized. A motion coupling compensator is introduced, a driving signal is dynamically corrected to suppress mutual interference between horizontal movement and vertical movement, and the positioning precision and stability are improved.

This invention discloses a dry construction method for ultra-high ALC wall panels based on a steel frame seismic structure, belonging to the field of building construction technology. The method includes the following steps: First, BIM modeling: A LOD400 precision model is established based on BIM technology. The ALC panels, steel frame, pre-reserved openings for doors and windows, and wall penetrations for electromechanical pipelines are collaboratively and meticulously designed to form an ALC panel steel frame system. Through post-installed connectors and anchoring to the main structure, the ALC wall panels are transformed from a planar stress-bearing mode to a frame-wall panel collaborative stress-bearing spatial mode. Anchor bolt holes reserve buffer space to form a seismic structure, effectively solving the problems of insufficient stiffness and easy deformation and cracking of ultra-high walls. The steel frame installation follows a column-first, beam-later sequence, and a detachable temporary bracket support device is used to achieve precise control of the steel beam elevation. A winch and a scissor lift work together, improving construction efficiency compared to traditional concrete formwork pouring. Weld flaw detection and anti-corrosion coating form a complete quality closed loop, ensuring the long-term durability of the steel frame.

The invention provides an aerial work platform dynamic anti-collision method based on multi-sensor array fusion, and relates to the technical field of aerial work platform safety control. According to the method, spatial distance data is continuously acquired by controlling a first sensor group in fan-shaped distribution on a horizontal plane and a second sensor for upward detection, signal filtering and interference identification fusion processing based on spatial correlation are performed on the acquired data, and whether an object enters a preset protection area is judged according to a processing result. When an object enters the first-level warning area, acousto-optic early warning is triggered, and when the object enters the second-level dangerous area, emergency shutdown is triggered. According to the scheme, continuous three-dimensional coverage of the space above the working area is achieved, real obstacles and environmental interference are effectively distinguished, the protection reliability is improved through a progressive control mechanism of early warning and sudden stop, and the problem that space monitoring coverage continuity is insufficient is solved.

The utility model discloses an aerial work platform with an anti-overturning structure for electric power construction, which comprises a lifting arm, the top of the lifting arm is connected with a work platform, an adjusting hydraulic cylinder is fixedly connected in an interlayer of the work platform, the top of the adjusting hydraulic cylinder is fixedly connected with the bottom of a protective fence, and the end side of the protective fence is of an L-shaped structure. The adjusting hydraulic cylinders are distributed in a bilateral symmetry mode relative to the bisector of the working platform, a stand column is arranged on one side of the working platform, an interlayer is arranged on the working platform, a protective fence is inserted into the interlayer, the protective fence and the working platform form a lifting structure, and a first reinforcing assembly and a second reinforcing assembly are arranged on the outer wall of the protective fence and the outer wall of the working platform respectively. The first reinforcing assembly comprises a fixing frame, the fixing frame is located on the outer side of the stand column, and the fixing frame and the stand column are clamped and fixed. According to the device, the stability of the working platform can be improved, the safety of using the working platform is improved, and the problem that a worker falls off in the working platform using process is avoided.

1. Name of the product in this design: boom-type aerial work platform. 2. Purpose of this design: for high-altitude operations. 3. The key design features of this product are the combination of shape and color. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. The design for which protection is sought includes color. 6. Design 1 is designated as the basic design.

1. The name of the design product: aerial work platform (telescopic arm). 2. The use of the design product: the design product is used for aerial work. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The bottom surface of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

The invention discloses a pivot steering bridge expansion control and aerial work platform. The tires, the walking motors, the steering oil cylinders, the supporting legs and the bridge expanding oil cylinders are connected with one another. According to the invention, a hydraulic principle of steering and walking of the tire with four wheels acting independently is designed, a reversing control valve is designed on a hydraulic pipeline for walking and steering of each wheel, and the direction of the hydraulic pipeline is controlled by the valves, so that the action control of the walking and steering of the tire is realized; therefore, the functions of steering and axle expansion of the whole vehicle can be realized in situ.

This invention discloses a hydraulic system for protecting the drive unit of an aerial work platform, relating to the field of engineering machinery technology. It includes: a hydraulic oil tank, a shut-off valve, a hydraulic pump, a filter, a solenoid relief valve, an electro-proportional directional valve, an integrated valve assembly, a hydraulic motor, a drive valve assembly, a steering cylinder, and a protection valve assembly. One end of the hydraulic oil tank is connected to one end of the shut-off valve, the other end of the shut-off valve is connected to one end of the hydraulic pump, the other end of the hydraulic pump is connected to one end of the filter, and the other end of the filter is connected to one end of the solenoid relief valve and the input end of the electro-proportional directional valve. The output end of the electro-proportional directional valve is connected to the input ends of the integrated valve assembly, the drive valve assembly, the steering cylinder, and the protection valve assembly. The output end of the drive valve assembly is connected to multiple hydraulic motors. This invention shortens the hydraulic oil transmission path and reduces pressure loss along the path, reduces energy waste under no-load and light-load conditions, and extends the service life of hydraulic components and mechanical structures.

The utility model provides an insulating forearm mechanism suitable for an aerial work platform with the voltage smaller than or equal to 66KV. The small arm mechanism comprises an insulating main arm, two insulating pull rods parallel to the insulating main arm and a working bucket installed at the free end of the insulating main arm, one end of the insulating main arm is rotationally connected with the arm support mechanism through a first connecting frame, the other end of the insulating main arm is rotationally connected with a connecting support, and the two insulating pull rods are arranged above the insulating main arm in parallel; one end is rotatably connected with the arm support mechanism through a first pull rod rotating shaft, the other end is rotatably connected with the connecting support through a second pull rod rotating shaft, a small arm variable-amplitude cylinder is arranged between the first pull rod rotating shaft and the first connecting support, and the working bucket is rotatably installed at the free end of the insulating main arm through a leveling support. According to the utility model, any insulation distance of the working bucket can be ensured to be more than 300mm, so that the working bucket achieves an insulation effect; the utility model can flexibly act when working in a specific or narrow space, and is simpler in structure and easy to weld.

1. Name of the product in this design: Aerial Work Platform (Straight Boom Type). 2. Purpose of this design: For use in high-altitude work machinery. 3. The key design features of this product are: the color and shape of design 1; and the shape of design 2. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. The bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of each design is omitted. 6. Design 1 is designated as the basic design. 7. Other situations requiring explanation: Design 1 requests color protection.

1. The name of the design product: aerial work platform (wide body of luffing boom truck). 2. The use of the design product: the design product is used for carrying and transporting people and objects. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best shows the design points: perspective view. 5. The design claimed contains color.

The utility model provides gate laser derusting equipment which comprises a bottom plate, and a laser generator and a plurality of first push rods are arranged on the bottom plate. A guide rod is arranged at the top of the first push rod and slidably connected with a movable seat, the movable seat is provided with a second push rod, and a connecting seat is arranged at the output end of the second push rod. The connecting base is used for being connected with a laser rust removal head which is connected with a laser generator through a connecting line. A plurality of mounting holes are formed in the bottom plate, the bottom plate is mounted on the aerial work platform, and the mounting holes are used for connecting the bottom plate and the aerial work platform. According to the device, the gate is derusted in a laser derusting mode, the derusting efficiency is higher, the derusting quality is better, and the derusting cost is lower; and the distance between the derusted gate and the laser derusting head is accurately limited, so that a proper distance is kept between the laser derusting head and the surface of the gate, and the laser derusting quality and efficiency are guaranteed.

The utility model discloses an aerial work platform anti-sliding device which comprises an air pump in signal connection with a vehicle body control center, an air pipe is arranged on the side edge of the air pump, a connector capable of being connected with a wheel valve of an aerial work platform is arranged at the end of the air pipe, and a through cavity is formed in the connector. A fixing plate which is arranged along the cross section of the through cavity and can move axially is arranged in the through cavity, an ejector rod which is coaxial with the through cavity and corresponds to a wheel valve core is arranged on the end face, facing the air outlet, of the fixing plate, and a plurality of air outlet holes communicated with the outside are formed in the side wall, corresponding to the peripheral side of the end of the ejector rod, of the through cavity. The aerial work platform has the advantages that the contact area between the wheel and the ground can be increased by reducing the air pressure of the wheel, so that the adhesive force of the wheel is enhanced, and sliding caused by sideslip of the aerial work platform is avoided.

The utility model relates to a kind of general type spot welding tool of high-altitude working truck structural member, belong to high-altitude working truck field.The utility model includes front support and rear support, and the structural features are as follows: the front support includes front base and two front wallboards, two front wallboards are oppositely arranged on the front base, the rear support includes rear base and two rear wallboards, two rear wallboards are oppositely arranged on the rear base, spot welding tool further includes the shaft hole positioning shaft for positioning structural member, positioning spacer and positioning rod, and the supporting shaft for supporting structural member, positioning spacer is sleeved outside shaft hole positioning shaft, positioning spacer, positioning rod are used to position the side of structural member, spot welding tool further includes positioning shaft sleeve, positioning shaft sleeve is sleeved on shaft hole positioning shaft, spot welding tool further includes the blocking shaft for blocking workpiece end, spot welding tool further includes large shaft sleeve, small shaft sleeve, and large shaft sleeve and small shaft sleeve are all sleeved on shaft hole positioning shaft.

The invention discloses a power control system and method for an overhead working truck, and belongs to the technical field of engineering machinery. Comprising a power output module, an execution unit and a control module. The multiple power output modules independently drive the multiple execution units so as to drive the hydraulic system to act. A state acquisition module is arranged between the execution unit and the control module and is used for acquiring state parameters of the execution unit and feeding back the state parameters to the control module; the control module evaluates the execution units according to the state parameters and determines a target execution unit from at least one execution unit; the invention discloses a power source of a small overhead working truck, which is realized by adopting an electric control mode, and the adaptation capability of the overhead working truck to various chassis is improved from the power taking of a chassis engine to the power provided by a motor.

The invention relates to the technical field of coating spraying detection, and particularly discloses an external wall heat insulation coating spraying detection device based on an overhead working truck, which comprises a truck body, an extension arm is arranged on the truck body, a horizontal adjusting platform is rotatably arranged at the end part, far away from the truck body, of the extension arm, and a mounting platform is rotatably mounted on the horizontal adjusting platform; an adjusting mechanism is arranged on the horizontal adjusting platform, a detection cylinder is arranged on the mounting platform, and a detection assembly is arranged in the detection cylinder; after the operation vehicle body moves to the position below the detection area, the extension arm is controlled to extend the tail end to the target height, the mounting platform is driven to rotate through the adjusting mechanism on the horizontal adjusting platform so that the mounting platform can be kept perpendicular to the wall surface, and then the detection cylinder on the mounting platform is controlled to be close to the wall surface; and detecting the micro-porosity of the coating by using an internal detection assembly.

The utility model discloses a scissors fork type lifting overhead working truck capable of rotating in situ and transversely moving, and relates to the technical field of overhead working trucks, the scissors fork type lifting overhead working truck comprises a scissors fork type working truck body, the left side and the right side of the scissors fork type working truck body are fixedly provided with fixed boxes, and rotating rods are rotationally arranged at the bottom of the inner side of each fixed box and close to the center; a lifting frame sleeves the outer edge of the rotating rod close to the top end, a protective frame is mounted at the top of the lifting frame, and an adjusting assembly is arranged on the inner side of the fixed box and located at the bottom of the lifting frame. The lifting frame drives the protection frame to move upwards to a proper height, meanwhile, through matched arrangement of the adjusting assembly and the supporting assembly, falling objects in an operation area can be contained in an unfolding mode, stability is better, and shaking of the shear fork type operation vehicle body caused when the falling objects are borne is avoided.

An access deck assembly is provided for an aerial lift vehicle mobile platform. A base member defines an upper surface to support an operator, and has first and second guides to cooperate with the platform. A locking mechanism is supported by the base member and retains the access deck to the platform. A method of connecting an access deck assembly to a mobile platform is provided. The access deck assembly is positioned relative to the platform to be above and spaced apart from the platform floor surface, with the base member of the access deck assembly substantially within a perimeter frame of the platform. An access deck assembly has a guide member connected to a base member and configured to connect the base member to the mobile platform and support the base member directly above and spaced apart from the platform floor surface.

The invention relates to the technical field of near-electricity detection, in particular to a near-electricity detection method and system for an overhead working truck, and the method comprises the steps: collecting voltage data at each moment at a preset position of the overhead working truck, obtaining an elimination sequence, carrying out the fitting of the elimination sequence of each period through the combination of a preset power frequency, and obtaining a near-electricity detection result; obtaining a first feature according to the change condition of the difference feature between the actual numerical value and the fitting result in the adjacent period; determining a second feature and a third feature according to the fitting result and the change condition of the voltage data on the frequency domain feature; analyzing the change of the high-frequency frequency domain energy of the voltage data between adjacent periods, and determining a fourth characteristic; and determining a fifth characteristic according to the distance characteristic between the preset positions and the amplitude difference when the frequency is the power frequency, determining the near-electricity detection confidence coefficient of each period, and carrying out near-electricity detection on the overhead working truck. The invention aims to improve the accuracy of near-electricity risk detection.