494 results about "Elevator" patented technology

A predictive maintenance method based on an elevator operation and maintenance time sequence knowledge graph comprises the steps that firstly, the elevator operation and maintenance time sequence knowledge graph is constructed, predictive maintenance of electromechanical equipment parts is achieved based on elevator part maintenance period optimization, a theoretical distribution model based on Weibull distribution is constructed, and parameters of Weibull distribution are fitted through a least square method. Therefore, the model can accurately reflect the failure rule of the elevator parts; calculating an inference result of the elevator operation and maintenance time sequence knowledge graph through a graph convolution model and a Horkes process model, and carrying out recursive relation calculation of component fault rate functions in N maintenance cycles; an elevator component maintenance comprehensive cost simulation model is constructed, and the optimal maintenance cycle of elevator components is calculated through a continuous time Markov chain method; the fault prediction accuracy is improved.

The invention discloses a vertical take-off and landing aircraft with improved linked wing tilting ducted fan layout, and belongs to the technical field of pneumatic and power systems of vertical take-off and landing aircrafts. The aircraft comprises an improved joined wing structure layout and a tilting ducted fan system integrally designed with the improved joined wing structure layout. The improved joined wing structure layout comprises a front wing, a rear wing, a vertical connecting wing surface, a vertical stabilizer and a fuselage. The front wing is divided into a front wing inner side wing surface and a front wing outer side wing surface by a vertical connecting wing surface, and adopts a sweepback wing belt dihedral structure; two ends of the rear wing are respectively arranged above the front wing through a vertical connecting wing surface, the middle part of the rear wing is arranged above the tail part of the fuselage through a vertical stabilizer, and the rear wing adopts a forward swept wing structure; the tilting ducted fan system comprises a front wing integrated ducted fan flap 7, a rear wing integrated ducted fan lifting control surface 9 and a tail propelling ducted fan 16. The core problems that pitching of a traditional connected wing is out of control, the weight of a tilting structure is large, and the energy efficiency is low are solved.

A seal assembly (100) for an elevator (200) is disclosed. The seal assembly includes a covering structure (102). The covering structure covers a top portion of the elevator. The covering structure (102) comprises a plurality of pairs of U-shaped slots (102A) integrally formed along a peripheral portion of the covering structure (102), the plurality of pairs of U-shaped slots (102A) being arranged in mutually orthogonal orientations. Further, a plurality of U-shaped plates (104) are disposed along the peripheral portion and a plurality of seal moulds (106), each seal mould (106) is positioned in a respective region bounded by the peripheral portion and a lower surface of the covering structure (102), the pair of outer side walls (104A, 104B), and an elevator cabin (220) of the pneumatic vacuum elevator (200), thereby enhancing sealing performance and reducing vibration transmission to the elevator cabin.

The technology disclosed herein relates to a rooftop platform to facilitate a delivery of a parcel by an aerial vehicle. The rooftop platform may comprise an elevator apparatus at least partially accessible via the rooftop platform. The rooftop platform may also comprise a rotatable turntable mounted to the rooftop platform. The rotatable turntable can be rotated to position the parcel on the elevator apparatus. The rotatable turntable may have tracks for receiving track wheels of a parcel containment unit. In some embodiments, the parcel may be positioned on the elevator apparatus at a top surface of a lift cabin of the elevator apparatus. The rooftop platform may also comprise a landing area for the aerial vehicle to deliver or receive the parcel containment unit via the rotatable turntable.

The utility model discloses a lifter, which relates to the technical field of conveying equipment, and comprises a machine base and two lifting devices arranged at intervals along the height direction of the machine base, and the machine base is provided with a mounting rod; each lifting device comprises a first conveying mechanism, a second conveying mechanism and a lifting mechanism, the first conveying mechanism is arranged on the mounting rod in a sliding mode in the height direction of the machine base and can convey components in the first direction, and the first conveying mechanism is provided with a first conveying face; the second conveying mechanism is arranged on the machine base and can convey the components in the second direction, the second conveying mechanism is provided with a second conveying face, the lifting mechanism is arranged below the first conveying mechanism, and the lifting mechanism can drive the first conveying mechanism to slide in the height direction of the machine base and make the first conveying face higher than or lower than the second conveying face. According to the technical scheme, the conveying direction of the component can be changed, and the technical problem that a conveying track cannot change the conveying direction of the component is solved.

The invention discloses a water-air cross-medium unmanned aerial vehicle and a flight method, and belongs to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle comprises a sealed cabin body composed of an upper cabin body and a lower cabin body, symmetrical vehicle arms, a tail steering engine, a rudder, a left steering engine, a right steering engine, an elevator, an underwater propeller and various types of sensors (a binocular camera, a sonar, a water quality sensor and the like). Air flight is achieved in a four-rotor mode, and underwater sneaking is driven in a fixed-wing mode. The control method comprises the stages of takeoff, air flight, air-water transition (a water surface hovering automatic switching mode), underwater navigation, water-air transition and landing, and complete-process autonomous cross-medium conversion is achieved by combining layered rate descent and multi-sensor fusion judgment states. The device has the advantages of being compact in structure, reliable in sealing and accurate in cross-domain control, and is suitable for ocean exploration, environment monitoring, underwater reconnaissance and other scenes.

A flying elevator is characterized by comprising (100) a ducted propeller arrangement. And (200) a flying elevator telescopic car body. And (300) supplying power to the transfer platform truck. And (400) an intelligent control system. And (500) final assembly of the structure. The mechanisms and the systems are combined through final assembly. Therefore, a set of economical and practical elevator type intelligent low-altitude aircraft is formed. The technical problem that a conventional low-altitude aircraft cannot be connected for a long time to continuously work and cannot be increased in capacity due to limitation of self-loading power or electric power is solved. The elevator is widely applied to high-rise buildings, high-altitude construction sites, disaster areas and scenic areas and serves as a temporary elevator or a short-distance aircraft. And the emergency operation and rescue work of personnel transfer and material transportation can be continuously carried out by a single machine for a long time. The flying elevator has the beneficial effects that 1, the flying elevator flies with lines, and electric power is continuously provided by using the mains supply or a vehicle-mounted power generation device, so that the flying elevator can continuously run for a long time; 2, off-line flight: driving the flight elevator to run by utilizing a reserve battery in an area which is not suitable for line-carried flight; and emergency operation and rescue work in different environments are facilitated. And 3, a multi-set mechanical structure design, a power supply device and a control system. And flight safety and operation convenience are guaranteed.

The invention relates to a corridor elevator and a safety protection device thereof. The corridor elevator comprises a guide device, a driving system, a roller assembly, a carrier platform and a baffle. The guiding device is fixed on the corridor through the upper end plate and the lower end plate on the guiding device, the guiding device is of a truss structure composed of the upper guide rail, the lower guide rail and the supporting piece, the overall rigidity is improved, the middle position of the guide rail is not fixed to the step through a bolt, damage to the corridor step is reduced, and the field installation efficiency is improved. The speed reducer of the driving system is preferably fixed to the lower end plate, the motor is arranged above the speed reducer, the seat plate of the carrier platform is arranged above the guiding device, the transverse width of the corridor elevator is reduced, and the overall arrangement space is saved. A transmission chain connecting plate of the roller assembly is connected with a transmission chain of the driving system, and a roller of the roller assembly rotates in a guide rail roller groove of the guide device. The platform connecting plate of the carrier platform is fixed to the roller fixing plate of the roller assembly and moves up and down along the guide rail roller groove along with the rolling assembly. The speed reducer is preferably a turbine speed reducer, and when accidental power failure occurs, due to the fact that the turbine speed reducer has a self-locking function, the carrier platform cannot move accidentally. The roller assembly is provided with a shoe block locking assembly, when the accelerated speed of accidental descending of the carrier platform exceeds a limit value, the shoe block locking assembly can prevent the carrier platform from accelerating descending, and personnel or objects are prevented from being damaged. The rolling wheel assembly is provided with an anti-toppling plate, when the rolling wheels fall off accidentally, the anti-toppling plate prevents the rolling wheel assembly and the carrier platform from toppling over, and personnel or objects are prevented from being damaged.

The utility model belongs to the technical field of hydrofoils, and particularly relates to a ship with a telescopic elevator structure, which comprises a ship body, a bow, a stern, a buoyancy structure, a first arc-shaped strut and a second arc-shaped strut. The buoyant structure includes a first buoyant volume disposed near the bow and a second buoyant volume located between the first buoyant volume and the stern. The present application provides a vessel with a retractable elevator structure, a first buoyancy volume pivotably coupled to a second buoyancy volume along a radial axis to achieve precise directional control, first and second arcuate struts having proximal ends movably connected to the buoyancy structure and distal ends supporting a hydrofoil lift surface, the first arcuate strut and the second arcuate strut expand and contract in an arcuate manner along an external common radial axis, allowing seamless transition between a compact storage configuration and an expanded operating state, improving ship maneuverability, portability and safety.

Provided are a method and a system for cooperative airborne meteorological perception with multiple aircraft. The method includes: determining a training set based on a spatial position, motion data, weather, an observation image, and static information of each of multiple aircraft; determining a fusion performance function based on an objective of a cooperative perception network; generating a fusion model based on the training set and the fusion performance function; generating a perception result image based on the fusion model; determining flight risk information based on the perception result image; determining a route alarm command and sending the route alarm command to a management user interface and an interactive device of a target aircraft; after receiving the route alarm command, generating, by the management user interface, a route adjustment parameter; in response to obtaining the route adjustment parameter, performing at least one of the following operations: adjusting an engine velocity, adjusting an aileron pressure, adjusting an elevator deflection, and adjusting a rudder deflection.

An electric vertical take-off and landing aircraft comprises a fuselage and a tilt wing. The tilt wing is tiltable relative to the fuselage in a range of tilt wing angles. Control surfaces are arranged at the tilt wings. The aircraft comprises a horizontal stabilizer with an elevator, in particular a stabilator, a vertical stabilizer with a rudder, in particular a fully movable stabilizer, at least one electric engine for powering main propellers arranged at the tilt wing and at least one software control device. The control device is configured to control at least the control surfaces , the main propellers and the tilt wing angle during hover and transition between hover and cruise flight.

Techniques are described for an elevator apparatus that includes a cabin apparatus and a hoistway apparatus. In an embodiment, the cabin head apparatus of the cabin apparatus extends parallel to a cross-section of the hoistway apparatus. The air pressure in the part of the hoistway is maintained to be different from the air pressure inside the cabin apparatus and may cause the cabin apparatus to ascend or to stay steady within the hoistway apparatus. The cabin head apparatus is partially load-bearing for the cabin apparatus and any load. In an embodiment, the air pressure difference is maintained by seal(s) that are peripherally coupled to the cabin apparatus, generating an airtight connection of the cabin apparatus with an inner periphery of a cross section of the hoistway apparatus. The seals substantially prevent the air in the top portion of the hoistway apparatus from entering the bottom portion and vice versa.

The invention provides an elevator abnormal behavior real-time detection method and system based on deep learning. The method comprises the steps that video stream data, a sensor data set and an operation state sequence of a target elevator in a first detection period are obtained; the video stream data and the running state sequence are input into a preset passenger behavior recognition model, so that the passenger behavior recognition model recognizes passenger behavior types existing in the target elevator; converting the sensor data set and the running state sequence into multi-mode time sequence data and inputting the multi-mode time sequence data into a preset vibration prediction model, so that the vibration prediction model predicts a vibration mode of the target elevator in a second detection period; and according to the passenger behavior types, the vibration modes and a preset rule base, a first detection result of the target elevator in a first detection period is determined, the target elevator is controlled to execute a corresponding first protection measure in a second detection period, and the safety of the elevator in the running process is improved.

The application provides a kind of based on deep learning's elevator abnormal behavior real-time detection method and system, the method includes: obtaining the video stream data, sensor dataset and running state sequence of target elevator in first detection period;The video stream data and running state sequence are input to preset passenger behavior identification model, to enable the passenger behavior identification model to identify the passenger behavior type existing in the target elevator;The sensor dataset and the running state sequence are converted into multi-modal time series data and input to preset vibration prediction model, to enable the vibration prediction model to predict the vibration mode of the target elevator in second detection period;According to each passenger behavior type, vibration mode and preset rule base, determine the first detection result of the target elevator in first detection period, and control the target elevator in second detection period to execute corresponding first protection measures, improve the safety in the process of elevator operation.

The invention discloses a wind pressure resistant elevator landing door device which comprises a first landing door, a second landing door, a first closing part and a second closing part. The first closing part is fixed on the closing side of the first landing door, and the second closing part is fixed on the closing side of the second landing door; when the gap between the first landing door and the second landing door is smaller than a preset threshold value, the first closing part makes contact with the second closing part, and air is prevented from flowing through the gap between the first landing door and the second landing door. Before the car door and the landing door are unhooked, air flow outside the hoistway and the hall is isolated through the closing mechanism, the wind pressure problem caused by the chimney effect is solved, and the landing door can be smoothly closed.

The invention provides a method and device for calculating rudder deviation required by unit normal overload of a statically unstable aircraft, and the method comprises the steps: selecting a plurality of calculation state points, and obtaining a small disturbance linearization equation at each calculation state point; a stability augmentation control law is constructed, the pitching moment characteristic of the aircraft is changed by feeding back the attack angle, the pitching damping characteristic of the aircraft is improved by feeding back the pitching angle rate, and therefore the aircraft is not divergent under the control of the stability augmentation control law and has the expected stability and damping characteristic; establishing a calculation model of rudder deflection required by unit normal overload based on a stability augmentation control law and a small disturbance linearization equation at a calculation state point, calculating normal overload by the calculation model through a pitch angle rate, an attack angle and a vacuum speed, and processing the calculation model to obtain a transfer function from a control channel elevator instruction to the normal overload; and calculating a normal overload value generated by unit elevator skewness based on the transfer function, wherein the reciprocal of the normal overload value is the rudder skewness required by unit normal overload.

The invention relates to an aircraft linear refueling platform, and belongs to the technical field of aircraft refueling, the aircraft linear refueling platform comprises a ground well pit body, a refueling unit, a lifting body, a folding refueling arm, a movable connecting arm, a well lid body and a lifting mechanism, the refueling unit is arranged in the ground well pit body, and the refueling unit is connected with a pre-buried oil pipe below an airport apron; the refueling unit is used for filtering fuel oil, the lifting body is slidably arranged in a ground well pit body in the vertical direction, the folding refueling arm is arranged on the lifting body, and the folding refueling arm is used for being unfolded to an aircraft refueling port for refueling or folded on the lifting body for storage. One end of the movable connecting arm is connected with the refueling unit, the other end of the movable connecting arm is connected with the folding refueling arm, and the movable connecting arm is used for conveying fuel oil. The refueling platform has the advantages that when refueling is not conducted, the refueling platform does not occupy the space of the airport additionally, and the possibility that the refueling platform interferes with other equipment of the airport is reduced.

A system and method is presented for hands-free operation of elevator using a smart phone or like device to display one or more colours that are read by a colour-detection device mounted in an elevator cabin and at each elevator landing. Different colours can be displayed by the smart phone or like device and detected by the colour-detection device where different can represent different commands to operate the elevator.

The invention belongs to the technical field of detection devices, and particularly relates to an elevator landing door strength detection device, which comprises a support mechanism, an impact mechanism, a fixing mechanism and a test mechanism, and is characterized in that the impact mechanism performs self-adaptive strength impact on the surface of a door plate body according to test requirements during working; when the impact mechanism works, the fixing mechanism is automatically driven to work, the two sides of the door plate body are clamped and fixed, and meanwhile the clamping strength of the door plate body is adjusted in a self-adaptive mode according to the impact strength of the impact mechanism. When the fixing mechanism starts to work, the testing mechanism is automatically driven to work, the door plate body to be impacted is preprocessed, data of the maximum deformation quantity generated after the door plate body is impacted is marked in real time, the elevator landing door strength detection device replaces a traditional elevator landing door strength testing mode, and the detection efficiency is improved. The problem that the test accuracy is affected due to the fact that the deformation quantity in the impact test process is not accurate enough is solved.

The utility model discloses an elevator cage anti-falling safety device installation structure, which belongs to the field of cage anti-falling safety device installation, and comprises a cage body and a safety device body, a concave hole is formed in the inner side of the safety device body, two first blocks are connected to the inner wall of one side of the concave hole in a sliding manner, and inclined holes are formed in the inner sides of the two first blocks; second blocks are slidably connected to the inner sides of the multiple inclined holes, third blocks are fixedly connected to one sides of the multiple second blocks, and two inserting grooves matched with the third blocks are formed in one side of the lifting cage body. The safety device is reasonable in structural design, through cooperation of the second motor, the second screw rod, the first block, the second block and the third block, the safety device body and the suspension cage can be conveniently and rapidly fixed together, and therefore a user can conveniently and rapidly install the safety device in work, and the working efficiency of workers is further improved.

The invention relates to a calibration and calibration method of a multichannel elevator transportation quality tester. The calibration and calibration system is included. The calibration and calibration system is adopted to calibrate and calibrate the elevator transportation quality testers, and the calibration and calibration method comprises the following steps that S1, the multiple elevator transportation quality testers are installed on the fixing tool; s2, acquiring acceleration signals of the plurality of reference sensors through the acquisition unit; s3, the control unit outputs a control signal based on the acceleration value of the top reference sensor; s4, when the deviation between the acceleration value of the bottom reference sensor and the acceleration value of the top reference sensor is within a preset error threshold value; and S5, updating the set calibration amplitude to the next calibration point a. According to the calibration and calibration method for the multi-channel elevator transportation quality testers, the elevator transportation quality testers are arranged on the fixing tool, and efficiency is improved through calibration and calibration.

1. Name of the designed product: Barrier-free elevator (enclosing cabin). 2. Use of the designed product: The designed product is used for elevator car. 3. Design points of the designed product: Combination of shape and pattern. 4. Picture or photo that best indicates the design points: Reference drawing in use.

The application provides a four-rudder control coaxial rotor system, which comprises a rotor shaft, an upper rotor and a lower rotor installed on the rotor shaft, a gear box arranged on the rotor shaft, the gear box being located below the lower rotor, a first control mechanism for controlling the movement of the upper rotor to make the aircraft produce pitching movement and a second control mechanism for controlling the movement of the lower rotor to make the aircraft produce aileron movement, the first control mechanism being located between the gear box and the aircraft, the second control mechanism being located between the gear box and the lower rotor, and the first control mechanism comprising an upper tilt disc, a first rudder set and an upper variable-pitch pull rod. The application has the functions of using two sets of rudders to make the aircraft achieve elevator, forward flight and left-right steering, the rotor control functions are distinct and do not interfere with each other, the rotor control efficiency is improved, the structural complexity is reduced, the overall reliability of the device is improved, and the device is easy to maintain.

According to the elevator diagnosis method and system based on functional safety, functional safety diagnosis is paused in the running stage of an elevator needing to be quickly responded, a control system can centralize resources to process related tasks, such as accurate control over elevator car leveling and timely response to door machine instructions, response delay caused by diagnosis program interference is avoided, and the service life of the elevator is prolonged. The probability of accidents caused by untimely response is reduced, and quick and accurate response in a key stage is guaranteed; secondly, by setting the threshold duration of pause function safety diagnosis and overtime forced recovery diagnosis, long-time non-monitoring in the quick response stage is avoided, and in the normal operation stage of the elevator, diagnosis is recovered and periodically executed, the elevator function is continuously detected, potential safety problems are found and early warned in time, so that maintenance and repair measures are taken, and the safety of the elevator is guaranteed. The response speed and safety monitoring are balanced, the safety monitoring effectiveness of the overall function of the elevator is guaranteed, and the operation safety is improved.

An arrangement for controlling a lock of an upmost landing door of an elevator, an elevator and a method. The arrangement comprises an actuator arranged to be activated in consequence of activation of a service limit device of the elevator, the actuator being connected to the lock of the upmost landing door, and said activation of the actuator arranged to open said lock.

The utility model discloses an elevator shaft part positioning device, and relates to the technical field of elevators. The elevator shaft part positioning device comprises a box body, a positioning assembly and a fixing assembly, the positioning assembly is arranged on the box body and comprises a movable plate, a sliding rod and an anti-skid fixing plate, the sliding rod is fixedly installed on one side of the movable plate, the other end of the sliding rod penetrates through the box body and is fixedly provided with the anti-skid fixing plate, and the fixing assembly is arranged on the box body. Through the arrangement of the positioning assembly, an operator is allowed to perform fine adjustment according to actual conditions, so that accurate positioning of parts in a shaft is ensured, the device can be quickly positioned to a required position through a moving mechanism of the anti-skid fixing plate, the device can be effectively prevented from displacing or sliding in the mounting process, the safety of the device is enhanced, and the service life of the device is prolonged. The anti-skid fixing plate is simple in structure, reduces the risk of accidents, improves the installation efficiency, ensures the stability of parts when the elevator runs due to the stability of the anti-skid fixing plate in the hoistway, and reduces the fault risk caused by movement of the parts.

The application provides an elevator fault early warning method and device, and belongs to the technical field of fault early warning. The method comprises the following steps: photographing the elevator door and the passenger by using a camera to obtain image data; detecting the image data to obtain the edge of the elevator door, determining the movement speed of the elevator door at 2N position points in K return processes before the current time according to the edge, and using the 2N*K movement speeds to form a speed vector V; detecting the image data to identify the abnormal behavior of the passenger, determining the abnormal behavior vector A in a T time period before the current time according to the abnormal behavior of the passenger; fusing the abnormal behavior vector A and the speed vector V to obtain a fusion vector P; inputting the fusion vector P into a pre-trained fault detection model to output the fault category in a T1 time period after the current time; and sending the fault category to the elevator maintenance personnel. The application can early warn the elevator fault and ensure the personal safety of the passenger.

The application discloses an elevator starting torque calculation method, comprising the following steps: estimating the load in the elevator car before the elevator car stops according to the torque current of the elevator hoist during the operation of the elevator car; obtaining the vertical acceleration data of the elevator car during the stopping of the elevator at the landing, extracting the characteristic value of the vertical acceleration data, and judging the number of passengers getting on and off the elevator car; estimating the load change value of the elevator car according to the number of passengers getting on and off the elevator car or the vertical acceleration; determining the load in the elevator car before the starting of the elevator car according to the load in the elevator car before the stopping and the load change value of the elevator car; and calculating the elevator starting torque according to the load in the elevator car before the starting of the elevator car. The application realizes the function of the weighing device in the elevator without the weighing device, optimizes the output of the starting torque, and enables the passengers to obtain a comfortable riding experience.