524 results about "Elevator" patented technology

The invention provides a large transport airplane control loading simulator. The large transport airplane control loading simulator comprises a mechanical system and a control system. A high-precision absolute value encoder is used for acquiring the control quantity of a joystick; the force exerted by a control surface on the joystick is calculated by a computer, and the acting force on the joystick is controlled by controlling a high-precision control loading simulator. The force on the joystick is enabled to change along with the change of the flight height and the velocity of the airplane; the working condition of the control system during automatic pilot is simulated; emergency disposal training of the airplane control system in case of special situations is realized; the trim, namely a zero moment point adjustment process, of the elevator is simulated, and the driving fatigue of the flight crew is reduced and eliminated. The high-precision large transport airplane control loading simulator is beneficial for improving the flight training benefit and the fidelity of the flight simulator.

The invention relates to a control device (1) for a working fluid for operating a hydraulic drive (11) such as is used, in particular, for an elevator. Said control device (1) comprises a flow path (6) for directing a volume flow of the working fluid in a first and second direction, a first and second control valve (21, 22) for controlling the volume flow, a flow-measuring means (610) for detecting the volume flow, a pilot control means (3) with a first and second pilot valve (31, 32), and an electric actuating means (4) for interacting with a comparing means (52) for comparing the detected volume flow with a volume flow reference value which can be predefined by a reference value-setting means (51), and a controller (53) for generating an actuating signal for activating the first and second pilot valve (31, 32) via a coupling means (33) which can move to and fro between a first and second position for controlling the volume flow of the working fluid through the first and second control valve (21, 22), wherein in the first position of the coupling means (33) each pilot valve (31, 32) can be actuated and in the second position of the coupling means (33) only the first pilot valve (31) can be actuated by the electric actuating means (4). Furthermore, the invention relates to a hydraulic drive system (16) for an elevator having the control device (1) and to a method for retrofitting such a drive system. The invention is distinguished from conventional control devices in addition to simplifications in the design and operation and corresponding cost advantages as well, in particular, by a relatively low degree of expenditure on maintenance accompanied at the same time by an increased reliability. Said invention permits in a hydraulic drive system the automatic compensation of drive-side and output-side interference variables as well as load-induced fluctuations in the working fluid pressure in favor of a continuous output movement and load-independent starting without a delay, consequently an overall improvement in the starting quality in an elevator.

Provided is an elevator landing door combination mounting anti-off device. The elevator landing door combination mounting anti-off device solves the problems of breakdown and hidden danger caused by unreasonable design in an existing landing door anti-off scheme. The elevator landing door combination mounting anti-off device comprises a sill and two door leaves which are assembled on the sill. The elevator landing door combination mounting anti-off device is characterized in that a guiding sliding groove of the sill adopts a U-shaped opening type structure, a guiding sliding block and a guiding anti-off sliding block are fixed at the bottom of lower end sockets of the door leaves, a left anti-off straight hook and a right anti-off straight hook are arranged on the portions of door pillars corresponding to the lower portions of the two door leaves, a locking screw is utilized by the middle portion of the guiding sliding groove of the sill to fix an anti-off stop dog, when a landing door is in a locking position, an anti-off hook of the anti-off sliding block is inserted into an anti-off cavity of the anti-off stop dog, and the left anti-off straight hook and the right anti-off straight hook respectively hook a shift stopping part which prevents the door leaves from falling off. The elevator landing door combination mounting anti-off device has the advantages of being simple in structure, rational in design, convenient to use, safe and reliable, capable of prominently improving an anti-off function of the elevator landing door, effectively avoiding the landing door leaves from falling off the guiding groove of the sill, and radically eliminating potential safety hazard that opening or closing a door is stuck or passengers drop from the elevator.

The embodiment of the invention relates to the technical field of flight simulation, in particular to a flight simulation system, a flight simulation method and a storage medium, which simulate the situation of moment imbalance caused by aerodynamic configuration and speed change in the flight process of an aircraft by simulating aerodynamic force and engine acting force received by the aircraft during flight. An automatic balancing unit is additionally arranged so that a balancing system in the real flight process is simulated, wherein flight balancing is conducted on the aircraft through the automatic balancing unit, in other words, an operation face (ailerons, elevators and rudders) is finely adjusted, unbalanced moment and rod force in the steady state are eliminated, and the purpose of stabilizing the posture and heading of the aircraft is achieved. Therefore, the whole system of the aircraft can be restored more truly, and the flight state of the aircraft can be completely simulated, so that the state and operation data of the aircraft in flight simulation training are more suitable for a real flight scene.

The invention relates to a tailstock type vertical take-off and landing unmanned aerial vehicle and a control method thereof. The unmanned aerial vehicle is mainly composed of a fuselage, wings, ailerons, an empennage, an elevator, a rudder, an engine, posture adjusting spray pipes, an undercarriage and the like. The wings are symmetrically arranged on the two sides of the middle of the fuselage.The ailerons are hinged to the rear edges of the wings on two sides; the empennage is positioned at the tail part of the fuselage and can adopt a form of a vertical fin and a horizontal fin or a V-shaped empennage; the elevator and the rudder are hinged to the rear edge of the empennage; the engine is arranged at the tail of the fuselage and generates main thrust. The posture adjusting spray pipesare distributed on the outer surface of the front portion of the fuselage and can spray air outwards to generate rotating torque to assist in adjusting the posture of the unmanned aerial vehicle. Theundercarriage is arranged at the tail of the fuselage, can be automatically folded and unfolded and is used for supporting the unmanned aerial vehicle to achieve vertical take-off and landing of theunmanned aerial vehicle. The tailstock type vertical take-off and landing unmanned aerial vehicle designed by the invention can realize tailstock type vertical take-off and landing and high-speed cruise through coordination control among the posture adjusting spray pipes, the engine, the pneumatic control surface and the undercarriage.

The invention discloses an elevator, and a method and a device for setting operating speed of the elevator. The method includes following steps: A1, when giving an operating direction of the elevator, determining distance Sn between a current floor and each floor when the elevator is about to reach; A21, setting an operating speed Vn of the distance Sn to be an initial speed V0; A22, calculating a reference distance S according to the operating Vn and an S curve; A23, when S<Sn, adjusting the operating speed Vn to be Vn+an adjusting speed Vdelta, continuing to execute A22 until S>Sn, and acquiring an optimal operating speed Vn-best to be Vn-Vdelta; when S>Sn, adjusting the operating speed Vn to be Vn-Vdelta, continuing to execute A22 until S<Sn, and acquiring the optimal operating speed Vn-best to be Vn; and A3, controlling the elevator to adopt Vn-best to travel the distance Sn.

The invention discloses an elevator protection device, and the elevator protection device is characterized in that a bar code sensor is used for detecting a bar code, a pulse signal is acquired to be transmitted to an elevator main control panel, a speed protection function and a position protection function of the elevator can be realized through the computation and analysis of the elevator main control panel, the accuracy for monitoring the overspeed and the position of a carriage is high, the reliability is good, and the running safety of the elevator is improved.

The invention provides a posture adjusting device and posture adjusting method capable of realizing multi-degree-of-freedom motion. Six-degree-of-freedom motion of a component is realized by utilizinga spiral elevator, a cross sliding table, a tension spring and a ball and ball socket structure. X/Y directional translational motion and A/B/C tri-directional micro-adjustment of an aircraft part can be manually and rapidly adjusted, a Z directional lifting motion and the A directional rotation motion of the aircraft part depend on quantitative adjustment of the spiral elevator, real-time quantitative control is realized, and six-degree-of-freedom motion is realized. The posture adjusting device has high degree of freedom, is precise in butt joint during assembly, can realize quantitative control, and flexible manual quick adjustment during assembly, so that the assembly precision of the aircraft part is greatly improved, and the assembly time is saved. The device may be directly popularized to applications in the butt joint assembly field of other industries.

The invention provides a spatial three-dimensional interaction-type elevator dispatching method. Based on a spatial three-dimensional interaction-type elevator device where seven elevator lift cars are arranged in the same well, the method comprises the implementation steps that a lift car carrying section set, a calling landing instruction set, a lift car state set and a transfer table are established, and then the calling landing instruction set is executed; for calling landing instructions which do not span the carrying section, according to a preset in-segment priority rule and the lift car carrying section set, by taking one elevator lift car, taking is completed; for calling landing instructions which span the carrying section, according to the preset in-segment priority rule and thelift car carrying section set, by taking one elevator lift car or after transfer of the elevator lift cars is conducted according to the transfer table, taking is completed. According to the method,on the premise of guaranteeing the efficiency, lift car resources are reasonably distributed, a reasonable lift car dispatching scheme can be provided for any calling landing instruction, and particularly for the elevator dispatching problem during peak hours, the high-efficiency solution scheme is provided.

The invention provides an elevator dispatching method, device and system, and relates to the technical field of automatic control. The elevator dispatching method includes the steps that information of passengers waiting for an elevator on each floor is obtained, and the passenger information includes a floor on which the passengers are located, a target floor and the weight of the passengers; according to the information of the passengers who have already taken the elevator, the remaining load capacity of the elevator on each floor which needs to be stopped is determined; and the number of the passengers allowed taking the elevator on each floor is determined according to the remaining load capacity and the information of the passengers waiting for the elevator. Through the elevator dispatching method, the weight of each passenger can be obtained when the passengers wait for the elevator, thus the number of people who can take the elevator on each floor is determined according to theweight of the passengers and the remaining load capacity condition when the elevator reaches the corresponding floor, thus overweight warning after the passengers enter the elevator is avoided, and the efficiency of elevator operation is improved.

A device for buffering dropping of an elevator relates to an elevator manufacturing technology, particularly to a security technology for solving an accident and dropping of the elevator. The device comprises an elevator cabin (2), a steel rope, a lifting motor and an elevator cabin lifting channel, and is characterized in that an elastic buffering device A (16) is arranged on the periphery of the outer side of a top end edge (1) of the elevator cabin (2); a buffering device B (12) is arranged at the bottom of the elevator cabin (2); a buffering device C (9) is mounted at the bottom of the elevator lifting channel; a whole buffering device C (9) is placed under the ground level. The elevator cabin goes down and drops onto a communication type attached hydraulic piston, and then goes down gravitation is gradually remitted under the buffering action of the hydraulic piston and springs, as a result, the elevator going down recovers to a safety state.

The invention discloses an elevator safety remaining useful life confirming method under the circumstance of maintenance, belongs to the field of confirmation of elevator unscheduled maintenance timeinterval and remaining useful life based on elevator operation big data, and relates to model establishment and algorithm innovation. The technical scheme is that: (1), confirming elevator safety remaining useful life model and slope threshold value; (2), confirming the elevator performance after preventative maintenance based on performance recovery factors and performance descent rate expansionfactors; (3), confirming the safety remaining useful life model after ith preventative maintenance according to results of step (2). According to the invention, the elevator safety remaining useful life model for confirming maintenance time interval and being capable of predicating the remaining useful life is established, so that the model is more practical; and the specific industry background of the elevator equipment is combined to optimize and innovate the existing methods, so that the model is more reliable; the model obtained based on the method provided by the invention is practical and more reliable.

The invention provides a high-stability control method for continuous high-overload maneuver of a supersonic high-maneuver target, which is a high-stability control method for controlling the target of a pitching and rolling channel only by an elevator and an aileron in the process of continuous high-overload maneuver in a horizontal plane. According to the method, firstly, overload nHc in the y direction of a transmitting system required by target height stability control is analyzed, under the condition that a preset overload instruction nyc is non-adjustable, in order to ensure that the height is kept stable in the horizontal maneuvering process, an online roll angle instruction planning algorithm is designed, and according to the algorithm, a roll angle instruction is planned in real time, so that the target height stability is guaranteed. Therefore, the component of the predetermined overload instruction nyc in the y direction of the launch system is equal to the highly stable required overload nHc, and the highly stable target in the flying process of the horizontal maneuver process is ensured. Flight test results prove the effectiveness of the method.

Sealing system for the gap (2) existing between the fuselage (3) and the elevator (4) of the orientable horizontal stabiliser (5) of an aircraft which comprises a main body (1) formed by an upper surface (18) and a lower surface (19) and at least one longitudinal vertical element (22) arranged between the two surfaces (18,19) which grants rigidity to the main body (1), and a plurality of first elastic sealing profiles (9) between the first surface (11) of the main body (1) and the outer surface of the fuselage (3) and making contact with them, and a plurality of second elastic sealing profiles (13) between the second surface (12) of the main body (1) and the first end of the elevator (15) and making contact with them, in such a way that the sealing of the gap (2) takes place and an aerodynamic continuity is produced between the fuselage (3) and the elevator (4) when the elevator (4) is at rest in the plane of the orientable horizontal stabiliser (5) for any of the orientation positions of the orientable horizontal stabiliser (5).

An elevator landing safety lock (1) for detecting the intrusion of a person through a landing door, a bistable switch is activated via a mandrel rod (11) when the landing door is opened by turning the corresponding key (21), to place the lift in safe operation, cannot be manually reset from the inside of the access switch (12), which includes means for securing the lock in the open position with the door open (17), and is released when the door is closed, by Turning the lock (1) in the door closing direction allows the switch (21) to be reset, wherein the key is turned in the opposite direction to the opening direction, the switch (21) is mechanically reset by a mechanical device attached to the mandrel rod (11).