676 results about "Aerial work platform" patented technology

An aerial lift that is interlocked with a fall-protection safety apparatus and may be further interlocked with at least one additional safety apparatus. The aerial lift is equipped with a monitoring system that is configured to detect whether a connector of a safety line of the fall-protection apparatus appears to be connected to a safety harness of a user of the aerial lift.

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 belongs to the technical field of electric overhead working trucks, and provides a narrow-body self-walking working platform with a hybrid power system, which comprises a walking platform, a working device and a control system. The walking platform adopts a narrow-body four-wheel-drive chassis and is provided with a hybrid power system of a fuel engine and an electric pump, and the control system integrates an environment sensing unit, a stability calculation unit, a track prediction unit, an early warning unit and a control decision unit. The environment sensing unit constructs a high-precision three-dimensional environment map; the stability calculation unit calculates the overall gravity center position and the dynamic stability boundary of the platform in real time; the track prediction unit establishes a dynamic hydraulic system response model; and the early warning unit adopts an artificial potential field method to calculate a safety avoidance path. And the control decision unit automatically adjusts the control instruction according to the risk type and degree. According to the invention, the organic combination of environment perception, dynamic stable control, prediction trajectory planning and electrified body safety protection is realized, and the operation safety and efficiency of the aerial work platform are obviously improved.

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.

The invention relates to the technical field of scissor fork truck brake control, and discloses a scissor fork type aerial work platform walking brake control system and method.The scissor fork type aerial work platform walking brake control method is characterized in that an operation handle enables a key to reset and triggers a brake request, and initialization and triggering of a brake control sequence are achieved; the state of the shear fork truck is monitored, gradient and load information is collected, and the external environment working condition and the internal load state are synchronously obtained by calling data of a tilt angle sensor and a pressure sensor in real time; according to rapid braking of the shear fork truck, based on data collected in real time, a three-stage cooperative braking strategy of speed reduction, pressure relief and turn-off is adopted, and based on gradient information collected in real time, the switching time sequence between stages is adjusted in a self-adaptive mode, and accurate matching of the braking process, dynamic loads and topographic conditions is achieved; therefore, the effect of considering the braking efficiency and the terminal parking stability on the premise of no mechanical wear is achieved; and the shear fork truck completes braking and tends to stop stably. And different working conditions can be quickly, stably and adaptively adapted.

The invention discloses an overhead working truck safety early warning method and system and a storage medium. The method comprises the steps that real-time load, height and inclination angle data of an overhead working truck are acquired through a multi-source data acquisition module and transmitted to a data analysis decision module; calculating the maximum allowable load at the current height through a table look-up method or a height-load relation model based on the collected load and operation height data, and dynamically adjusting a load alarm threshold value; independently judging the overload risk and the inclination risk to generate a control instruction; operation height, load and inclination angle data are fused, a linkage risk index is calculated through a weight-inclination angle-height dynamic correlation model, a composite risk is identified, and a control instruction is generated; and the early warning and execution control module receives the control instruction to control the equipment to act and feeds back an execution result. Dynamic overload threshold adjustment, inclination grading response control, multi-source data fusion overload and anti-overturning system cooperative judgment of composite risks are realized, and the flexibility and effectiveness of risk early warning are enhanced.

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 invention discloses an overhead working truck bed-shaped arm section optimization method and system considering stability and rigidity. The method comprises the steps that geometric design parameters of all polygonal sections of the box-shaped arm are set, and the geometric design parameters of all the polygonal sections jointly form an adjustable geometric design space; establishing a three-dimensional finite element analysis model of the box-shaped arm, and endowing the three-dimensional finite element analysis model with material attributes; according to the actual use requirement of the box-shaped arm, the analysis working condition of the three-dimensional finite element sub-model is defined as the most stringent working condition combination; and setting an optimization target, executing a multi-target optimization algorithm and solving to obtain geometric design parameters of each polygon section after optimization. According to the method, through scientific multi-objective optimization simulation, the coupling and restricting relation between two core performance indexes of local stability and deflection (rigidity) in boom design is systematically solved, so that the section shape with the optimal comprehensive performance under the given working condition is obtained.

The utility model discloses a vehicle-mounted overhead working truck energy-saving control device which comprises an engine state detection relay, an electromagnetic mechanism of the engine state detection relay is located on a state line of a chassis generator, and a contact is located at the signal input end of a main controller. The electromagnetic mechanism drives the contact to be closed or opened based on the working state of the generator, and the main controller controls the on-off of the top-mounted electric equipment based on a contact signal, such as a top-mounted sensor, an electromagnetic valve, a state indicator lamp and the like. According to the device, the working state of the generator is monitored in real time through the engine state detection relay, so that the main controller controls the power on and power off of the mounted electric equipment based on the working state of the generator, and the waste of electric energy when the vehicle-mounted overhead working truck flames out for a long time to carry out standby operation is effectively reduced.

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.

The utility model discloses a kind of water mill drill hole bases suitable for curved surface or inclined plane pier body, it is related to bridge construction technology field, including pier body pasting board, the pier body pasting board is used to be attached in bridge pier body side surface, the pier body pasting board edge portion is equipped with multiple mounting holes;Pasteboard fixing part, the pasteboard fixing part is threaded in the mounting hole, and it is used to fix the pier body pasting board on bridge pier body side surface;And, fixed base, the fixed base is fixed on the pier body pasting board by several connecting pieces, fixed slide groove is opened on the fixed base. When drilling operation is carried out to pier body side surface, it is often necessary to utilize aerial work platform by hand to carry out drilling, time-consuming and laborious;Especially when encountering inclined plane or curved surface pier body operation surface, it is extremely difficult to manually hold water mill drill to drill horizontal hole, and the problem of easy drilling deflection occurs.

1. The name of the design product: straight arm aerial work platform (20E). 2. The use of the design product: for high-altitude lifting work. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

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 utility model discloses a boom for an aerial work platform, which belongs to the technical field of aerial work platforms and comprises a telescopic boom, a first connecting base is arranged at one end of the telescopic boom, a variable-amplitude oil cylinder is arranged below the telescopic boom, and the lower surface of the telescopic boom is fixedly connected with a second connecting base rotationally connected with the variable-amplitude oil cylinder. A limiting connector is arranged at the other end of the telescopic arm, a supporting mechanism is arranged at the end, away from the telescopic arm, of the limiting connector and comprises an adjustable supporting plate, the adjustable supporting plate is fixedly connected with the limiting connector, and a supporting disc is arranged above the adjustable supporting plate; the two ends of the adjustable supporting plate are provided with a plurality of position adjusting pieces used for achieving the position adjusting effect on the supporting disc. Through mutual cooperation of multiple structures, a user can perform multiple adjustment on the posture of the workbench, and the workbench can be driven to rotate, so that the posture adjustment effect of the arm support on the workbench is better.

The invention relates to the technical field of engineering machinery, and provides a shear fork type aerial work platform, a control method, a storage medium and a processor, and the shear fork type aerial work platform comprises a work platform body, a chassis, a shear fork lifting mechanism, a driving assembly, a mode setting assembly, a weighing mechanism and a control system. The mode setting assembly is used for setting working modes of the scissor-type aerial work platform, and the working modes comprise an indoor working mode and an outdoor working mode; the weighing mechanism is arranged on the operation platform body, and the weighing mechanism is used for collecting the working load of the operation platform body when the outdoor working mode starts; and the control system is in communication connection with the weighing mechanism, the driving assembly and the mode setting assembly, and the control system automatically matches different preset lifting height upper limits according to different working loads. According to the scissor-type aerial work platform, the work application scenes of the scissor-type aerial work platform are increased, the adaptability of the scissor-type aerial work platform is improved, and meanwhile the tipping risk during work is reduced.

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 anti-extrusion triggering structure of the aerial work platform comprises a transmission assembly and a triggering assembly, the transmission assembly comprises an anti-extrusion rod, a transmission connecting rod and a pull rod, the two ends of the pull rod are hinged to one end of the transmission connecting rod and the triggering assembly respectively, and the other end of the transmission connecting rod is fixedly connected with the anti-extrusion rod; the trigger assembly comprises a guide sleeve fixedly installed on the fence, a trigger rod penetrating through the guide sleeve and installed in a sliding mode and a trigger detection device matched with the trigger rod for use, and the pull rod is hinged to the trigger rod. Through the transmission effect of the transmission assembly, when the anti-extrusion rod is pressed downwards, the transmission connecting rod is driven to tilt upwards, then the pull rod is driven to be pulled obliquely upwards, and due to the fact that the guide sleeve and the pull rod are hinged to the trigger rod, the trigger rod is pulled back and is combined with the trigger detection device, triggering of an anti-extrusion program is achieved. Triggering is carried out simultaneously through a rigid connection structure, response is sensitive and rapid, the overall structure is simple, stability is high, and maintenance and replacement cost is low.

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.

The utility model discloses a combined overhead working truck working platform which comprises a truck body, a lifting mechanism is installed on the top of the truck body, a main working table is fixedly installed on the top of the lifting mechanism, an auxiliary working table is installed on the left side of the main working table in a sliding mode, and a clamping piece is installed on the auxiliary working table. And the clamping piece is in extrusion fit with the main workbench to limit the auxiliary workbench. According to the working platform, the main working platform is lifted to the working height, under the scene of single-person operation, the auxiliary working platform and the main working platform are not unfolded, only single-person operation is achieved, when double-person operation is needed in the working environment, positioning of the auxiliary working platform is relieved by pulling the clamping piece at the moment, then the auxiliary working platform is horizontally pushed to be expanded outwards, the manned space is enlarged, and the working platform is convenient to use. And meanwhile, the auxiliary supporting mechanism is started to be grounded for supporting, so that the unfolded action platform is more stable, and the device has the advantages that the device has a combined and variable manned space, expansion is more flexible, and the operation application environment range of the device is widened.

The application discloses a hydraulic leveling device, a hydraulic leveling method and an aerial work platform, and relates to the field of hydraulic control. The device comprises an electromagnetic reversing valve, a first bidirectional balance valve, a second bidirectional balance valve, a first leveling oil cylinder, a second leveling oil cylinder, a controller, a shuttle valve, a first electromagnetic unloading valve and a first pressure sensor. The first port and the second port of the shuttle valve are connected with the second port and the third port of the second bidirectional balance valve respectively, and the third port of the shuttle valve is connected with an oil return tank through the first electromagnetic unloading valve. The first pressure sensor is arranged on a pipeline between the shuttle valve and the first electromagnetic unloading valve and is used for detecting the first pressure in the pipeline. The controller is used for controlling the first electromagnetic unloading valve to be electrified or deenergized according to the first pressure when the initial state of the working platform is an inclined state during the start of the luffing operation. The application avoids the problem that the high pressure between the first leveling oil cylinder and the second leveling oil cylinder causes the damage of structural members.

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.

This invention discloses a tracked lifting aerial work platform with an attached hoisting system, belonging to the field of lifting work platform technology. It includes a base with triangular track wheels at its bottom for driving movement, a scissor lift at its top, and a lifting platform, guardrail, adjustment mechanism, and hoisting mechanism at its top. The invention utilizes an adjustment mechanism to move the guardrail upwards. The guardrail's displacement causes a movable rod to slide within a movable groove. When the guardrail reaches a suitable position, a locking block engages with a slot under the force of a first spring, thus positioning the guardrail's height. When adjusting the guardrail downwards, rotating a rotating block moves a downward pressure rod, which pushes the locking block out of the slot, allowing for downward adjustment of the guardrail's position and facilitating height adjustment.