7330results about "Building lifts" patented technology

The invention discloses an elevator control system based on artificial intelligence, which belongs to the technical field of elevator control, and comprises a plurality of layers of architectures such as data acquisition, transmission, processing, intelligent decision, execution control and the like. The data acquisition layer collects multi-source data through a car inside and outside and operation state sensor group; the data processing layer provides support for intelligent decision-making through preprocessing, analysis mining and model training optimization. An elevator dispatching module of the intelligent decision-making layer carries out peak dynamic zoning and flat peak energy-saving dispatching according to information such as passenger flow; the safety protection module monitors and processes hidden dangers in real time; the personalized service module provides customized services based on passenger behaviors and demands. And driving of the control layer, a door machine and a car environment control system are executed, and stable lifting of the car, safe operation of a door and intelligent environment adjustment are achieved correspondingly. Experiments show that the system can remarkably improve the elevator operation efficiency, safety and passenger satisfaction and reduce energy consumption, and has important application value.

An airflow controller (100) in a pneumatic vacuum elevator is disclosed. The airflow controller includes a bottom portion (102) and an upper portion (110). The bottom portion is adapted as a hollow stepped cylindrical structure (104) and includes a plurality of plates (108) disposed on a bottom surface of the hollow stepped cylindrical structure. The upper portion includes a cylindrical protrusion (112) configured substantially at a centre portion of the top portion with a projection on an outer face of the cylindrical protrusion, a metal plate (114) incorporated by the upper portion, and a disc (116) including a hollow circular structure (118) with an upper face (116a) and a bottom face (116b) and includes a plurality of extensions (120) positioned on the upper face at predetermined positions and a solenoid valve (122) accommodated by the hollow circular structure (118) and configured to open based on a timer.

The invention relates to the technical field of intelligent elevator control, in particular to an intelligent elevator control method and system based on the Internet of Things, and the method comprises the following steps: S1, monitoring human body three-dimensional coordinate data of an elevator waiting area of each floor in real time, and collecting multi-modal sensing data in an elevator car; s2, generating a dynamic people flow distribution thermodynamic diagram of each floor, and constructing a time-space weight matrix; s3, generating an elevator dynamic scheduling strategy; s4, the abnormal state type of the lift car is judged by combining the gas component spectrum and the vibration spectrum; s5, a grading alarm instruction is sent to the central controller through the LoRaWAN protocol; and S6, automatically correcting the opening and closing speed curve of the portal crane. According to the method, efficient operation and safety guarantee of the elevator system in a complex people flow environment are achieved by fusing multi-source sensing, dynamic scheduling and an abnormal response mechanism.

A trench drain includes a trench, a grating seat and a grating hingedly connected to the trench. The trench has a base wall with peripheral side walls extending upwardly therefrom and an outwardly-extending peripheral flange. The grating seat is configured to receive the grating. The peripheral side walls of the trench have a pair of opposing elongated slots formed therein and the grating has a pair of posts on opposing ends thereof. Each of the pair of posts on the grating are received in a respective one of the pair of opposing elongated slots of the trench to establish an axis of rotation.

A prefabricated modular stairwell and elevator shaft system is described. The system can include an end panel, a first side panel, a second elevator shaft panel, a second side panel, and a first elevator shaft panel. The prefabricated modular stairwell and elevator shaft system can also include stairwell components (including one or more treads, one or more landings, and one or more handrails), one or more counterweight rails, one or more counterweight brackets, a stairwell door, and a stairwell door frame.

The present invention discloses a traction machine with dual motors and an assembly method thereof, belonging to the technical field of traction machines. The traction machine includes a traction wheel, a main rotating shaft, two supporting bodies, and two sets of motor assemblies. The two supporting bodies are respectively arranged at both ends of the traction wheel, one motor assembly is installed between the first end of the traction wheel and one of the supporting bodies, and the other motor assembly is installed between the second end of the traction wheel and the other supporting body. The two supporting bodies are respectively sleeved on both ends of the main rotating shaft, and the main rotating shaft and the supporting bodies rotate in coordination. The traction wheel is sleeved outside the main rotating shaft and fixed to the main rotating shaft. The two supporting bodies are symmetrically arranged relative to the center of the main rotating shaft, and the traction wheel is symmetrically arranged relative to the center of the main rotating shaft. When the traction machine is in operation, the forces acting on the two supporting bodies are consistent, the bearing capacity of the traction machine is more uniform, and the dynamic balance of the traction machine is achieved.

The invention provides an elevator intelligent air curtain and a semiconductor refrigeration control method. The method comprises the steps that the historical temperature and airflow distribution data in an elevator are obtained; according to historical temperature and airflow distribution data, training a temperature and airflow distribution prediction model by adopting a long-short-term memory network; acquiring real-time temperature and airflow distribution data in the elevator, inputting the temperature and airflow distribution prediction model, and predicting future temperature and airflow distribution; according to the predicted temperature and airflow distribution, an optimization algorithm is adopted to calculate the opening angle of the air curtain and the refrigeration power parameter of the refrigeration cold piece, and the optimal control strategy of the air curtain and the refrigeration cold piece is obtained with the temperature control precision and the system energy consumption as optimization targets; and parameters in the optimal control strategy are input into a controller of the air curtain and the refrigerating fins, the air speed and the air direction of the air curtain and the refrigerating power of the refrigerating fins are adjusted, and optimal control over the temperature and airflow distribution in the elevator is achieved.

A utility wall is provided for a multi-story building having load bearing walls that are able to withstand vertical loads and lateral loads. The building may be a low-rise building or a mid-rise building. The utility wall, as well as the load bearing walls, floor-ceiling panels, corridor panels, and other parts of the building, are pre-manufactured off-site and then installed on-site at the site of the building. The utility walls are hung from the load bearing walls and provide utilities to the various stories of the building.

A charger assembly 10 for charging an energy storage unit associated with an elevator is provided. The charger assembly includes a first charger unit 20 mechanically coupled to an elevator column 30. The first charger unit is adapted to tap voltage from a power source. The first charger unit interconnects a first block 40 and a second block 50. The first block includes at least two slots 60 adapted to interlock with at least two projections 70 provided on the second block. The charger assembly also includes a second charger unit 80 electrically coupled with the first charger unit and mounted on a guide bracket 90 associated with a cabin of the elevator. The second charger unit includes a plurality of pins 100 adapted to receive the voltage tapped by the first charger unit to charge the energy storage unit associated with the elevator.

The utility model relates to the technical field of elevator door opening retaining devices, and discloses an elevator door opening retaining device which comprises a base, a magnet is fixed to the bottom of the base, a fixing pipe is fixed to the top of the base, a button is slidably connected to the fixing pipe, a guide pipe is further fixed to the top of the base, and a guide rod penetrates through the guide pipe; through cooperative use of the button, the fixing pipe, the guide rod, the inclined plate, the first extrusion block, the second extrusion block, the first fixing block, the second fixing block and other parts, a user can conveniently control opening and closing of the elevator door according to needs, and the use convenience and safety are improved; the limiting groove, the pull rod, the avoiding groove, the positioning piece and the first reset spring are arranged on the outer wall of the guide rod, so that the pressing piece can be stably fixed in the mounting groove and is prevented from falling off or shifting, and a user can conveniently adsorb the device on a door opening key of an elevator through a magnet.

The utility model belongs to the field of measurement, particularly relates to an elevator top space measuring device, and aims to solve the problems that an existing laser range finder needs to be held by a hand to measure the distance during use and an existing device cannot well follow an elevator car to move and measure, the following scheme is provided: the elevator top space measuring device comprises a limiting base, a measuring and calculating base is fixedly installed on one side of the limiting base, a clamping buckle is rotatably installed on one side of the measuring and calculating base, a laser range finder is installed on the inner side of the clamping buckle in a clamped mode, a containing groove is formed in the limiting base, and a sliding metal block is installed on the inner wall of one side of the containing groove in a sliding mode. Two rack grooves are formed in the bottom of the limiting base. According to the utility model, working personnel can record and calculate conveniently, the stability of the laser range finder during measurement is ensured, the laser range finder can move along with the elevator car, and the space at the top of the elevator shaft can be measured and calculated more effectively.

According to the same-shaft double-elevator door lock system and the elevators, by means of the physical position relation of an upper elevator car and a lower elevator car in an elevator shaft, collision mechanisms are arranged on the elevator cars and matched with travel switches of different projection planes, when any elevator car reaches a certain floor door area, a collision part of the elevator car can compress the corresponding travel switch of the floor, and therefore the elevator car is prevented from being collided; the door lock loop of the floor where the other lift car is located is bypassed, so that the door lock detection loops of the upper lift car and the lower lift car run independently completely, the safety requirement of relevant laws and regulations for elevator door locks is met, and it is ensured that the door lock states of the two lift cars do not interfere with each other; and the normal operation of the other lift car cannot be influenced by the door opening operation of one lift car. Besides, all structural components such as a travel switch and a landing door switch in the application adopt reliable design of electrical hard connection, and are all electrical safety devices, so that the overall reliability of the system is high, and the system is not easily influenced by factors such as electromagnetic interference.

The utility model discloses an elevator driving protection device which comprises a protection cover, a protection mechanism used for protecting a driving part is arranged at the top of the protection cover, a ventilation mechanism used for dissipating heat of the driving part is arranged on the outer side of the protection cover, and side plates in the protection mechanism are fixedly installed on the periphery of the top of the protection cover respectively. Cross rods are fixedly mounted on the inner sides of the side plates; through the arrangement of the protection mechanism, the advantage of shielding and protecting the elevator driving piece is effectively improved, not only can the impact force generated by falling objects above be shielded and protected, but also the falling force of the falling objects can be buffered, so that the driving piece below cannot be damaged, and the service life of the elevator driving piece is prolonged. And the ventilation mechanism can accelerate the ventilation of the driving part in the protective cover below, so that the heat generated inside can be quickly dissipated, the shielding protection can be ensured, the heat dissipation protection can be realized, and the bidirectional protection can be realized.

The invention discloses a lifting device for an elevator car. The lifting device comprises a screw rod, a bearing base and a limiting top plate, wherein the elevator car is arranged between the bearing base and the limiting top plate, the bearing base is provided with a ball sleeve and a driving device used for driving the ball sleeve to rotate, and auxiliary supporting columns are arranged belowthe bearing base; the bearing base comprises a base, a bottom plate and an arc-shaped plate, wherein the arc-shaped plate is hinged to the bottom plate, the base is provided with a fixing groove, thebottom of the fixing groove is provided with through holes, and the auxiliary supporting columns pass through the through holes to temporarily support the bottom plate; and the driving device drives the ball sleeve to rotate, so that the bearing base is lifted along the screw rod, the bottom plate is gradually separated from the support of the auxiliary supporting columns, and the bottom plate andthe arc-shaped plate are pressed into the fixing groove through the elevator car under the guide of the arc-shaped plate. According to the lifting device, the elevator car is convenient and fast to install, and the elevator car can be easily replaced in the later period.

An integrated noise suppression apparatus for a pneumatic vacuum elevator is provided. The apparatus includes an equipment compartment which includes a first partition unit vertically surrounding one or more electric motors configured to suck air from elevator cylinders and release the air into atmosphere, a bottom plate comprising a channel, wherein an pneumatic flow control unit placed on top of the bottom plate configured to allow air from the atmosphere into the elevator cylinders, a second partition unit, a silencer unit which includes a first layer placed configured to initiate the circulation of air, a second layer having a first set of partition strips, a third layer having a second set of partition strips, a fourth layer, a fifth layer having a third set of partition strips. A plurality of layers is arranged one above the other to enable the air to pass between the atmosphere and the tubular cylinder.

The invention discloses an elevator for construction, and relates to the technical field of equipment for building construction, all guide wheels are installed on a suspension cage, all the guide wheels are located between the suspension cage and a guide rail pipe of a tower body standard knot, the guide wheels are located on the periphery of the guide rail pipe, the guide wheels are used for clamping the guide rail pipe, and a left compartment and a right compartment which are communicated with each other are arranged in the suspension cage; the left compartment and the right compartment are located on the left side and the right side of the tower body standard knot correspondingly and are symmetrically arranged, the adjusting plate is installed on the side, away from a building, of the tower body standard knot and is parallel to the construction surface of the building, and the upper end of the adjusting plate is hinged to an upper top frame at the upper end of the lifting cage. The lower end of the adjusting plate is detachably connected to a lower bottom frame at the lower end of the cage and can be adjusted and fixed at different front and back positions, so that the cage can be adjusted at different angles relative to a tower body standard knot. Construction of building inclined planes with different inclination angles can be achieved, the application range is wide, and the use safety is high.

An assembly for a pneumatic elevator is provided. The assembly includes a top cylinder housed at a top surface of a vertically stacked elevator cylinder; a control panel box is mounted to a chamber unit, wherein the chamber unit is inbuilt with a split top plate assembly, wherein the chamber unit is operatively coupled to an outer surface of the top cylinder toward a supporting wall. The split top plate assembly includes a split top plate coupled to a top portion of the elevator cylinder. The split top plate assembly also includes a plurality of support tube operatively coupled to an upper surface of the split top plate. The split top plate assembly also includes an air chamber is operatively coupled to a vacuum chamber, wherein the air chamber is configured for air flow between the vacuum chamber and the air chamber.

The invention discloses a strong-drive type service lift stable in operation, and relates to the technical field of lifts. A strong-drive type dumb waiter stable in operation comprises a support, two guide rails which are longitudinally symmetrical are fixedly connected to the two transverse sides in the support, sliding blocks are slidably connected into the guide rails, rolling wheels which are distributed at equal intervals are rotatably connected to the sides, close to the guide rails, of the sliding blocks, a lift car is connected between the sliding blocks, and two mounting shafts are fixedly connected to the top end in the support. The motor winds or loosens the steel cable to drive the lift car to vertically move up and down in the support, the sliding block and the roller can also move up and down in the guide rail, and when the sliding block slides up and down, the roller can be kept in the state of being attached to the inner side of the guide rail, so that the state of the guide rail is monitored in real time; and solidified lubricating oil or foreign matter and other impurities can extrude the roller to move, then the cleaning plate is controlled to slide rightwards to be attached to the guide rail, impurities on the guide rail are scraped away, and it is guaranteed that the elevator is in a stable running state all the time.

The invention relates to an elevator position estimation method and device, equipment, a storage medium and a program product. The method comprises the steps that electric signal collection is conducted on the elevator traction machine, and voltage and current in a target time period are obtained; the voltage frequency of the elevator traction machine is calculated based on the voltage, the target time period and the electric signal zero-crossing number; the current frequency of the elevator traction machine is determined; the angular speed of the elevator traction machine is calculated, the angular speed obtained based on the voltage frequency or the current frequency is input into an elevator system mathematical model for displacement calculation, and displacement information of an elevator car is obtained; and the position information of the elevator car is determined based on the displacement information and accumulated displacement information of the elevator car in the ascending or descending stage. By adopting the method, the estimation accuracy of the elevator position can be effectively improved.

The invention discloses a telescopic elevator door knife assembly which is movably connected to a door machine hanging plate, the door knife assembly comprises a door knife bottom plate and a door knife blade, a fixing support is arranged on the door machine hanging plate, a fixing shaft is arranged at the end, away from the door machine hanging plate, of the fixing support, the fixing shaft extends towards the door knife bottom plate, and the door knife blade is arranged on the door knife bottom plate. The fixing shaft is sleeved with a telescopic spring, and the door vane bottom plate is provided with an opening allowing the fixing shaft to pass through and allowing the telescopic spring not to pass through. A rotating arm and an unlocking deflector rod are arranged on the side, back on to the telescopic spring, of the door knife assembly, a pushing and pressing part making contact with the door machine bottom plate is arranged at one end of the rotating arm, and the unlocking deflector rod is used for poking the rotating arm to enable the pushing and pressing part to extrude the door knife assembly, so that the distance between the door knife assembly and the door machine hanging plate is increased. According to the telescopic elevator door knife assembly, no matter which direction an elevator moves, the door knife blade can be prevented from colliding with the door ball, the telescopic elevator door knife assembly is suitable for an inclined elevator, and operation is safer and more reliable.

One or more embodiments of the invention provide an unlocking method and system for an intelligent door lock, the method is applied to a door lock management platform, and the method comprises the following steps: responding to first identity information of a user and a currently triggered floor set which are acquired and sent by an elevator control system when the elevator control system detects that the user is located in an elevator car; judging whether the floor set contains floors corresponding to the first identity information or not; if yes, a first message is sent to information acquisition equipment corresponding to the floor, so that the information acquisition equipment responds to the first message, second identity information of the user is acquired, and the second identity information is sent to a door lock management platform; in response to the second identity information, a second message is sent to the intelligent door lock corresponding to the second identity information, so that the intelligent door lock responds to the second message, and when it is detected that the distance between the user and the intelligent door lock is not larger than a threshold value, unlocking operation is executed. According to the invention, the safety and reliability of the automatic unlocking operation of the intelligent door lock can be improved.

The invention relates to an electromagnetic unbalance loading self-leveling suspension device, which adopts an electromagnetic balance device to realize non-contact guiding of a lift car, and obviously reduces friction and abrasion caused by traditional mechanical guiding, so that the service life of a guide rail and related parts is effectively prolonged, the operation noise is greatly reduced, and the riding comfort is improved. Meanwhile, the counterweight position can be accurately adjusted through the counterweight balancing device, static unbalance loading is effectively dealt with, and the initial balance state of elevator operation is guaranteed; more importantly, when the unbalance loading of the lift car exceeds the adjusting capacity of the counterweight balancing device, the electromagnetic balancing device can actively and rapidly adjust magnetic field parameters, and accurate compensation of dynamic unbalance loading is achieved, so that stable operation of the lift car can be maintained under various load conditions, and the stability and comfort of elevator operation are remarkably improved.

A system (100) for detecting a position and controlling a speed of an elevator cabin (102) is disclosed. The system includes a plurality of light detection and ranging sensors (LiDAR) (104) and a shaft controller (110). The plurality of LiDAR is positioned at a ceiling (106) and at a floor (108) of the elevator (300), facing towards the elevating cabin. The plurality of LiDAR is configured to read and transmit, the distance of the elevator cabin from at least one of ground and a topmost position of the elevator and the speed of the elevator cabin by reading the distance travelled per unit of time. The shaft controller detects the position of the elevator cabin by receiving the distance from the plurality of LiDAR. The shaft controller also detects an overspeed condition when the speed of the elevator cabin received from the plurality of LiDAR is above safe threshold speed.

The invention relates to the technical field of elevator traction machines, and discloses a controller and a traction machine driving assembly. The cooling assembly is arranged in the outer cover, and an inner cavity of the outer cover is divided into a first cavity body and a second cavity body by the cooling assembly; the control assembly is arranged in the first cavity, and the control assembly exchanges heat with the cooling assembly; and the braking resistor is arranged in the second cavity, and the braking resistor exchanges heat with the cooling assembly. Due to introduction of the cooling assembly and reasonable cavity division design, the cooling assembly can take away heat generated by the brake resistor in time, heat accumulation in the brake resistor is avoided, and the problem that heat dissipation is insufficient does not need to be compensated by depending on large parameters. Therefore, the brake resistor with smaller parameters and lower cost can be selected without influencing the overall performance, and the performance specification requirement of the brake resistor is reduced, so that the size of the brake resistor is reduced, and the overall size of the elevator system control cabinet is reduced.

A mobile elevator belongs to the technical field of elevators and comprises a pair of lower car guide rails, a pair of upper car guide rails, a pair of lower counterweight guide rails, a pair of upper counterweight guide rails, a car, a counterweight, a traction rope, a traction machine, a rope end fixing assembly and a rope end winding machine. The lower car guide rails and the lower counterweight guide rails are arranged in the bottom room body, the upper car guide rails and the upper car guide rails are arranged in the top room body, and the rope end winding machine is arranged on the top plate. When the bottom room body and the top room body are separated, the car and the counterweight can be lifted into the top room body by the traction machine and the rope end winding machine first. The mobile elevator only needs to be separated at the joints of the lower car guide rails and the upper car guide rails and the joints of the lower counterweight guide rails and the upper counterweight guide rails. Other components are kept in the original installation positions and move with the bottom room body and the top room body, thereby greatly improving the operational convenience of the mobile elevator in position change, conforming to the installation and use conditions of the mobile house, and meeting the requirements of flexible movement.

A sheet metal substrate (1) for use in elevators, comprising: a single body (2) extending from a top side (2a) to a bottom side (2b) and from a left side (2c) to a right side (2d), in which the edges (3) of the top side (2a) and the bottom side (2b) and the edges (3) of the left side (2c) and the right side (2d), as reinforcement, are bent backwards and inwards so as to define, for each side, an inner recess (4) extending along the corresponding side (2a, 2b, 2c, 2d); at least one reinforcement (10) of a first type extending longitudinally and attached to an intermediate region of the rear side (2f) of the body (2); at least two reinforcements (20) of a second type, which extend longitudinally and are arranged at least partially in the inner recesses (4) of the left side (2c) and the right side (2d), respectively; at least one reinforcement (30) of a third type, which is formed transversely and is arranged at least partially in the inner recess (4) of the top side (2a).

The invention discloses an elevator no-load energy recovery energy-saving damping device, and belongs to the technical field of elevator energy saving and damping, the elevator no-load energy recovery energy-saving damping device comprises a main body frame assembly, an elevator car structure and a self-adaptive adjusting mechanism, the elevator car structure is arranged in the main body frame assembly, and the self-adaptive adjusting mechanism is arranged on the main body frame assembly. Through the arrangement of the main body frame assembly, the elevator car structure and the self-adaptive adjusting mechanism, friction force borne by an elevator in the running process is effectively reduced, it is guaranteed that the elevator is stable in the running process, and meanwhile the service life of the elevator is prolonged. A frequency converter, a regenerated energy detection device, an energy feedback device, a super capacitor and other existing devices on the market at present can be additionally arranged at the position of a power source of the elevator, redundant energy generated when the elevator is unloaded is recycled, converted and stored, energy waste is avoided, energy saving is effectively achieved, and the cost is reduced. The problems that an elevator used in the market at present can cause energy waste during no-load operation and can generate vibration during operation are effectively solved.

The utility model relates to the technical field of elevators, in particular to an anti-pinch device for an elevator door. An elevator door anti-pinch device comprises a lift car, and a lift car opening is formed in the front portion of the lift car. The first car door and the second car door are arranged on the car in a reciprocating sliding mode so as to close or open the car opening; the driving mechanism is used for driving the first compartment door and the second compartment door to slide in a reciprocating manner; the inserting part is arranged on the side, close to the second compartment door, of the first compartment door in a protruding mode; the inserting groove is formed in the side, close to the first compartment door, of the second compartment door, and the inserting groove can be matched with the inserting part in an inserting mode; and the detection mechanism comprises a first detection piece and a second detection piece, and when the first detection piece and the second detection piece are not in electrical contact, the elevator traction equipment stops starting. The utility model provides an elevator door anti-pinch device capable of detecting small articles.