CN112850423A - Two-station elevator with large conveying capacity and control method - Google Patents

Two-station elevator with large conveying capacity and control method Download PDF

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Publication number
CN112850423A
CN112850423A CN202110146942.0A CN202110146942A CN112850423A CN 112850423 A CN112850423 A CN 112850423A CN 202110146942 A CN202110146942 A CN 202110146942A CN 112850423 A CN112850423 A CN 112850423A
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CN
China
Prior art keywords
car
elevator
door
controller
cage
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Pending
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CN202110146942.0A
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Chinese (zh)
Inventor
王见同
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Individual
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Individual
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Priority to CN202110146942.0A priority Critical patent/CN112850423A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • B66B1/18—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3476—Load weighing or car passenger counting devices
    • B66B1/3484—Load weighing or car passenger counting devices using load cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B2009/006—Ganged elevator

Abstract

The invention discloses a two-station elevator with large conveying capacity and a control method, wherein the two-station elevator comprises a driving mechanism, at least one first car and at least one second car which are horizontally arranged in a shaft at intervals, the shaft is provided with a door group which is equal to the total number of the first car and the second car and corresponds to the first car and the second car one by one, each door group comprises an upper door and a lower door which are vertically arranged at intervals, the first car and the second car are in transmission connection with the driving mechanism arranged at the upper end of the shaft, the driving mechanism drives the first car and the second car to move up and down in the shaft, and when the first car moves up to the corresponding upper door or moves down to the corresponding lower door, the second car moves down to the corresponding lower door or moves up to the corresponding upper door. The invention provides a two-station elevator with large conveying capacity and a control method, solves the problem of small conveying capacity of the elevator, avoids the defects of an escalator, and has the advantages of both the elevator and the escalator.

Description

Two-station elevator with large conveying capacity and control method
Technical Field
The invention relates to the field of elevators. More particularly, the invention relates to a two-stop elevator with a large conveying capacity and a control method.
Background
Two-station vertical transport machines for people in general are mainly elevators and escalators. The carrying capacity for escalators is greater than that for elevators, so at present escalators are mainly used and elevators are rarely used. If the total capacity is increased by increasing the number of elevators, not only a large amount of space is occupied, but also the equipment cost and the maintenance cost are high. However, when the escalator runs, the safety of the escalator is poor compared with that of an elevator, personal accidents often occur, meanwhile, the escalator is not convenient to transport large objects, and the transport speed of the escalator is not as fast as that of the elevator.
Disclosure of Invention
The invention aims to provide a two-station elevator with large conveying capacity and a control method, which solve the problem of small conveying capacity of the conventional elevator, avoid various defects of an escalator and have the advantages of the elevator and the escalator.
To achieve these objects and other advantages in accordance with the invention, a two-stop elevator with high conveying capacity is provided, comprising a drive machine, and at least one first car and at least one second car which are horizontally arranged in the shaft at intervals, wherein the shaft is provided with a door group which is equal to the total number of the first car and the second car and corresponds to the first car and the second car one by one, the hall door groups comprise upper hall doors and lower hall doors which are vertically spaced, the first car and the second car are in transmission connection with the driving mechanism arranged at the upper end of the shaft, the driving mechanism drives the first car and the second car to move up and down in the shaft, and the first cage moves upwards to the corresponding upper landing door or downwards to the corresponding lower landing door, and the second elevator cars move downwards to the corresponding lower landing doors or move upwards to the corresponding upper landing doors.
Preferably, in the two-stop elevator having a large transporting capacity, the first cage and the second cage are provided in one.
Preferably, in the two-station elevator with large conveying capacity, the driving mechanism includes a traction machine and a connecting piece, the traction machine passes through the connecting piece is arranged in the middle above the hoistway, the first car and the second car are respectively arranged on the left side and the right side of the traction machine, a fixed pulley is respectively arranged in the middle of each of the left end and the right end of the upper end of the first car and the second car, a traction rope of the traction machine is wound on the traction machine, the two ends of the traction rope extend downwards and respectively sequentially pass through the fixed pulleys on the upper end of the first car and the two fixed pulleys on the upper end of the second car, and then the traction rope extends upwards to be connected with the connecting piece.
Preferably, the two-station elevator with the large conveying capacity further comprises a controller, wherein the middle parts of the upper car door frames of the first car and the second car are respectively provided with a related door stopper, the bottom parts of the upper car door frames of the first car and the second car are respectively provided with a load sensor, and the door stopper, the load sensor and the traction machine are respectively and electrically connected with the controller.
Preferably, in the two-station elevator with large conveying capacity, the tops of the first car and the second car are both provided with leveling sensors, car doors of the first car and the second car are both provided with elevator outgoing sensors, car door frames of the first car and the second car are both provided with door opening limiters, the upper ends of the door frames of the upper landing door and the lower landing door are both provided with elevator incoming sensors, and the leveling sensors, the elevator outgoing sensors, the elevator incoming sensors and the door opening limiters are respectively and electrically connected with the controller.
Preferably, in the two-station elevator with high conveying capacity, the connecting piece is a plate body horizontally arranged in the hoistway, the side wall of the plate body is fixedly connected with the inner wall of the hoistway, the traction machine is arranged in the middle of the upper end of the plate body, the plate body is provided with first through holes respectively corresponding to two ends of the traction rope, and two ends of the traction rope respectively penetrate through the corresponding first through holes.
Preferably, in the two-station elevator with high conveying capacity, the left and right ends of the plate body are respectively provided with a second through hole and a rope end combined support corresponding to the two ends of the hoisting rope, and the two ends of the hoisting rope respectively penetrate through the corresponding second through holes and are connected with the corresponding rope end combined supports.
Preferably, in the two-station elevator with high conveying capacity, the first through hole and the second through hole on the same side are respectively located above the two fixed pulleys on the upper end of the corresponding first car or the upper end of the corresponding second car.
The invention also provides a control method of the two-stop elevator with large conveying capacity, which comprises the following steps:
s1, when the tractor stops working, when the door closing limiters of the first car and the second car send door closing signals to the controller at the same time, if at least one of the load sensors of the first car and the second car sends a load sensing signal to the controller at the moment, the controller controls the tractor to start working, otherwise, the tractor keeps a stop working state;
s2, after the controller controls the traction machine to start working, and after the leveling sensor of the first car or the second car sends a sensing signal to the controller, the controller controls the traction machine to stop working;
and S3, repeating the step S1, and after the traction machine is started again, the rotating direction of the motor is opposite to the rotating direction of the traction machine at the previous starting.
Preferably, the control method of the two-stop elevator with large conveying capacity includes the steps of: in step S3, after the floor leveling sensor of the first car or the second car sends a sensing signal to the controller, the controller controls the hoisting machine to stop operating and brake, and after the controller controls the car door of the first car or the second car to open to the limit position and keep at the limit position for a while, the controller controls the car door of the first car or the second car to close;
when the controller controls the car door of the first car or the second car to be kept at the limit position, if the elevator exit sensor on the first car or the second car sends an elevator exit signal to the controller, the controller controls the car door of the first car or the second car to be kept at the limit position for a period of time; if the elevator entering sensor at the first elevator car or the second elevator car sends an elevator entering signal to the controller, the controller controls the elevator door of the first elevator car or the second elevator car to continuously keep at the limit position for a period of time;
when doors of the first car or the second car are closed, if the elevator exit sensor on the first car or the second car sends an elevator exit signal to the controller, the controller controls the doors of the first car or the second car to be opened to limit positions; if the elevator entering sensor at the first car or the second car sends an elevator entering signal to the controller, the controller controls the car door of the first car or the second car to be opened to the limit position.
The invention has the beneficial effects that:
1. the two-station elevator runs through the two cages simultaneously, has large conveying capacity and high conveying speed, and is suitable for traffic hubs such as airports, railway stations, subway stations and the like and commercial and public buildings such as markets, large supermarkets, hotels, conference centers, exhibition halls and the like.
2. The two-station elevator runs automatically, so that the problems that the work rhythm of the elevator is slow and irregular delay occurs due to manual operation are avoided.
3. The two cages of the two-station elevator are driven by one traction machine, one cage of the traditional elevator is not provided with a set of power system, and the cost is reduced. And meanwhile, floor selection in the car and at the entrance hall is cancelled, and the control system of the whole elevator is simplified.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a two-stop elevator according to the present invention;
fig. 2 is a cross-sectional view of a two-station elevator according to the invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a two-stop elevator with a large conveying capacity, including a drive mechanism, and at least one first car 2 and at least one second car 3 which are horizontally arranged in the shaft 1 at intervals, wherein the shaft 1 is provided with a door group which is equal to the total number of the first car 2 and the second car 3 and corresponds to the first car and the second car one by one, the hall door groups comprise upper hall doors 4 and lower hall doors 5 which are vertically spaced, the first car 2 and the second car 3 are in transmission connection with the driving mechanism arranged at the upper end of the hoistway 1, the driving mechanism drives the first car 2 and the second car 3 to move up and down in the hoistway 1, and the first cage 2 moves up to the corresponding upper hall door 4 or moves down to the corresponding lower hall door 5, the second cage 3 moves down to the corresponding lower hall door 5 or moves up to the corresponding upper hall door 4.
In this embodiment, at least one first car 2 and at least one second car 3 are arranged in the hoistway 1, the first car 2 and the second car 3 are driven by the driving mechanism to move up and down respectively, and when the first car 2 moves up to the corresponding upper landing door 4 or moves down to the corresponding lower landing door 5, the second car 3 moves down to the corresponding lower landing door 5 or moves up to the corresponding upper landing door 4, so that the first car 2 and the second car 3 can move alternately between the upper landing door 4 and the lower landing door 5, and the carrying capacity between the upper landing door 4 and the lower landing door 5 can be improved.
Preferably, as another embodiment of the present invention, the first cage 2 and the second cage 3 are provided as one; actuating mechanism includes hauler 6 and connecting piece, hauler 6 passes through the connecting piece sets up in 1 top middle part in well, first car 2 with second car 3 sets up respectively the 6 left and right sides of hauler, first car 2 with the middle part at both ends is equipped with fixed pulley 8 respectively about the upper end of second car 3, hauler 6's towline is convoluteed on hauler 6, and its both ends all downwardly extending to pass respectively in proper order two of first car 2 upper end fixed pulley 8 with two of second car 3 upper end behind the fixed pulley 8, upwards extend to with the connecting piece is connected.
In this embodiment, as shown in fig. 1-2, the connecting member is a plate 11 horizontally disposed in the hoistway 1, the sidewall of the plate 11 is fixedly connected to the inner wall of the hoistway 1, the traction machine 6 is disposed in the middle of the upper end of the plate 11, first through holes 9 corresponding to the two ends of the traction rope are disposed on the plate 11, second through holes 10 and connecting members 7 corresponding to the two ends of the traction rope are disposed at the left and right ends of the plate 11, respectively, the first through holes 9 and the second through holes 10 at the same side are disposed above the two fixed pulleys 8 at the upper end of the first car 2 or the second car 3, respectively, the traction rope of the traction machine 6 is wound on the traction machine 6, the two ends of the traction rope extend downward, first the traction rope passes through the two first through holes 9 of the plate 11, then the two fixed pulleys 8 at the upper end of the first car 2 and the two fixed pulleys 8 at the upper end of the second car 3, extend upwards to respectively penetrate through the corresponding second through holes 10 and are connected with the corresponding rope end combined bracket 7. When the traction machine 6 works, the second lift car 3 can synchronously descend when the first lift car 2 ascends; when the second cage 3 ascends, the first cage 2 descends synchronously, so that the first cage 2 and the second cage 3 can run in opposite directions by the forward rotation and the reverse rotation of the traction machine 6.
Preferably, as another embodiment of the present invention, the elevator further comprises a controller, the controller can be a programmable controller, the middle parts of the upper car door frames of the first car 2 and the second car 3 are respectively provided with a corresponding door stopper, the bottom parts of the upper car door frames are respectively provided with a load sensor, and the door stopper, the load sensor and the traction machine 6 are respectively and electrically connected with the controller.
In this embodiment, the middle parts of the upper car door frames of the first car 2 and the second car 3 are respectively provided with a corresponding door stopper, the bottom parts of the door stoppers are respectively provided with a load sensor, when a person in the first car 2 or the second car 3 enters the car, the load value detected by the load sensor in the car changes, the controller detects the change of the load value detected by the load sensor, and simultaneously, after the door stoppers in the first car 2 and the second car 3 detect the corresponding car door and close the car door, the traction machine 6 starts to work to drive the first car 2 and the second car 3 to move up and down.
Preferably, as another embodiment of the present invention, the top of each of the first car 2 and the second car 3 is provided with a leveling sensor, each of the car doors is provided with a landing sensor, each of the car door frames is provided with a door opening limiter, the upper ends of the door frames of the upper landing door 4 and the lower landing door 5 are provided with a landing sensor, and the leveling sensor, the landing sensors, the door opening limiters and the door opening limiters are respectively electrically connected to the controller. The existing photoelectric sensors are adopted for the elevator exit sensor and the elevator entrance sensor.
In the embodiment, when the leveling sensor of the first car 2 or the second car 3 sends a car in-place signal, the controller controls the traction machine 6 to stop, the car stops at a landing, and meanwhile, the controller controls the door machine to start, so that the corresponding car door is linked with the landing door to open; when the car door is opened to the maximum position, the door opening limiter sends a door closing signal, and after a period of time delay, the car door is linked with the hall door to be closed. During this process, if any of the entry sensors detects a person, the car door is linked with the hoistway door and the hoistway door is reopened until the entry sensor no longer detects a person, and the car door and the hoistway door remain closed.
In addition, as an extension, the first car 2 and the second car 3 may adopt a front-back double door style, and meanwhile, two new hall door groups corresponding to the first car 2 and the second car 3 are arranged on the hoistway 1, each new hall door group includes an upper hall door 4 and a lower hall door 5 which are spaced up and down, and the upper hall door 4 and the lower hall door 5 are both arranged in a front-back two manner and correspond to the front door and the rear door of the car respectively.
The invention also provides a control method of the two-stop elevator with large conveying capacity, which comprises the following steps:
s1, when the traction machine 6 stops working, and when the door closing limiters of the first car 2 and the second car 3 simultaneously send door closing signals to the controller, if at least one of the load sensors of the first car 2 and the second car 3 sends a load sensing signal to the controller, the controller controls the traction machine to start working, otherwise, the traction machine 6 keeps a stop working state;
s2, after the controller controls the traction machine 6 to start operating, and after the leveling sensor of the first car 2 or the second car 3 sends a sensing signal to the controller, the controller controls the traction machine 6 to stop operating;
s3, step S1 is repeated, and after the hoisting machine 6 is restarted, the direction of rotation of the motor is reversed from the direction of rotation at the previous start.
Preferably, the control method of the two-stop elevator with large conveying capacity includes the steps of: in step S3, after the floor leveling sensor of the first car 2 or the second car 3 sends a sensing signal to the controller, the controller controls the hoisting machine 6 to stop working and brake, and after the controller controls the car door of the first car 2 or the second car 3 to be opened to the limit position and to be held at the limit position for a while, the controller controls the car door of the first car 2 or the second car 3 to be closed;
when the controller controls the car doors of the first car 2 or the second car 3 to be kept at the limit positions, if the elevator exit sensor on the first car 2 or the second car 3 sends an elevator exit signal to the controller, the controller controls the car doors of the first car 2 or the second car 3 to be kept at the limit positions for a period of time; if the elevator entering sensor at the first car 2 or the second car 3 sends an elevator entering signal to the controller, the controller controls the car door of the first car 2 or the second car 3 to be kept at the limit position for a period of time;
when doors of the first car 2 or the second car 3 are closed, if the lift sensor on the first car 2 or the second car 3 sends a lift output signal to the controller, the controller controls the doors of the first car 2 or the second car 3 to be opened to the limit positions; if the elevator entering sensor at the first car 2 or the second car 3 sends an elevator entering signal to the controller, the controller controls the car door of the first car 2 or the second car 3 to be opened to the limit position.
In addition, an overload sensor may be provided on the first car 2 or the second car 3, and the overload sensor may be electrically connected to the controller.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a two-station elevator with big transport capacity, its characterized in that includes actuating mechanism to and horizontal interval sets up at least one first car (2) and at least one second car (3) in well (1), be equipped with on well (1) with the total number of first car (2) and second car (3) equals and the one-to-one landing door group, landing door group all includes upper and lower spaced hall door (4) and lower hall door (5), first car (2) and second car (3) all with set up in well (1) upper end actuating mechanism transmission connection, actuating mechanism drives first car (2) and second car (3) reciprocate in well (1), and when first car (2) upward movement to corresponding upper hall door (4) or downward movement to corresponding lower hall door (5) department, the second elevator cars (3) move downwards to the corresponding lower landing door (5) or move upwards to the corresponding upper landing door (4).
2. A two-stop elevator with high conveying capacity according to claim 1, characterized in that the first cage (2) and the second cage (3) are provided as one.
3. A two-stop elevator with high conveying capacity according to claim 2, the driving mechanism comprises a traction machine (6) and a connecting piece, the traction machine (6) is arranged in the middle above the hoistway (1) through the connecting piece, the first cage (2) and the second cage (3) are respectively arranged at the left side and the right side of the traction machine (6), the middle parts of the left end and the right end of the upper ends of the first cage (2) and the second cage (3) are respectively provided with a fixed pulley (8), the traction rope of the traction machine (6) is wound on the traction machine (6), and both ends of the traction rope extend downwards, and respectively penetrate the two upper ends of the first cage (2) and the two upper ends of the second cage (3) in sequence, and after the fixed pulleys (8), the fixed pulleys extend upwards to be connected with the connecting piece.
4. The two-station elevator with high conveying capacity according to claim 3, further comprising a controller, wherein the first cage (2) and the second cage (3) are provided with door stoppers at the middle parts of the upper frames of the cage doors, and are provided with load sensors at the bottom parts, and the door stoppers, the load sensors and the traction machine (6) are respectively and electrically connected with the controller.
5. The two-station elevator with large conveying capacity according to claim 4, wherein the top of the first cage (2) and the top of the second cage (3) are both provided with leveling sensors, the cage doors are both provided with elevator outgoing sensors, the cage door frames are both provided with door opening limiters, the upper ends of the door frames of the upper landing door (4) and the lower landing door (5) are both provided with elevator incoming sensors, and the leveling sensors, the elevator outgoing sensors, the elevator incoming sensors and the door opening limiters are respectively and electrically connected with the controller.
6. The two-station elevator with high conveying capacity according to claim 3, wherein the connecting member is a plate body (11) horizontally disposed in the hoistway (1), the side wall of the plate body (11) is fixedly connected with the inner wall of the hoistway (1), the traction machine (6) is disposed at the middle portion of the upper end of the plate body (11), the plate body (11) is provided with first through holes (9) corresponding to the two ends of the traction rope, respectively, and the two ends of the traction rope penetrate through the corresponding first through holes (9), respectively.
7. The two-station type elevator with high conveying capacity according to claim 6, wherein the left and right ends of the plate body (11) are respectively provided with a second through hole (10) and a rope head combining bracket (7) corresponding to the two ends of the hoist rope, respectively, and the two ends of the hoist rope are respectively passed through the corresponding second through holes (10) and connected with the corresponding rope head combining bracket (7).
8. A two-station elevator with high conveying capacity according to claim 7, characterized in that the first through hole (9) and the second through hole (10) on the same side are located above the two fixed pulleys (8) on the upper end of the corresponding first car (2) or second car (3), respectively.
9. A control method of a two-stop elevator having a large transporting capacity according to claim 5, comprising the steps of:
s1, when the tractor (6) stops working, when the door closing limiters of the first car (2) and the second car (3) send door closing signals to the controller at the same time, if at least one of the load sensors of the first car (2) and the second car (3) sends a load sensing signal to the controller at the moment, the controller controls the tractor to start working, otherwise, the tractor (6) keeps a stop working state;
s2, after the controller controls the traction machine (6) to start working, and after the leveling sensor of the first car (2) or the second car (3) sends a sensing signal to the controller, the controller controls the traction machine (6) to stop working;
and S3, repeating the step S1, and after the traction machine (6) is started again, the rotating direction of the motor is opposite to the rotating direction of the traction machine at the previous starting.
10. The control method of a two-stop elevator according to claim 9, comprising the steps of: in step S3, after the floor leveling sensor of the first car (2) or the second car (3) sends a sensing signal to the controller, the controller controls the hoisting machine (6) to stop working and brake, and after the controller controls the car door of the first car (2) or the second car (3) to be opened to an extreme position and to be kept at the extreme position for a while, the controller controls the car door of the first car (2) or the second car (3) to be closed;
when the controller controls the car door of the first car (2) or the second car (3) to be kept at the limit position, if the elevator exit sensor on the first car (2) or the second car (3) sends an elevator exit signal to the controller, the controller controls the car door of the first car (2) or the second car (3) to be kept at the limit position for a period of time; if the elevator entering sensor at the first elevator car (2) or the second elevator car (3) sends an elevator entering signal to the controller, the controller controls the elevator door of the first elevator car (2) or the second elevator car (3) to be kept at the limit position for a period of time;
when doors of the first car (2) or the second car (3) are closed, if the lift-off sensor on the first car (2) or the second car (3) sends a lift-off signal to the controller, the controller controls the doors of the first car (2) or the second car (3) to be opened to an extreme position; if the elevator entering sensor at the first elevator car (2) or the second elevator car (3) sends an elevator entering signal to the controller, the controller controls the elevator door of the first elevator car (2) or the second elevator car (3) to be opened to an extreme position.
CN202110146942.0A 2021-02-02 2021-02-02 Two-station elevator with large conveying capacity and control method Pending CN112850423A (en)

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CN110902526A (en) * 2019-12-24 2020-03-24 美迪斯电梯有限公司 Single-drive parallel elevator, elevator running system and control method
EP3686146A1 (en) * 2019-01-25 2020-07-29 Otis Elevator Company Controlling movement of an elevator car
CN211310496U (en) * 2019-09-05 2020-08-21 快意电梯股份有限公司 Non-counterweight parallel elevator system
CN214569935U (en) * 2021-02-02 2021-11-02 王见同 Two-station elevator with large conveying capacity

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1673064A (en) * 2005-04-26 2005-09-28 黄海 Dragging energy-saving lift with two cages
CN101678993A (en) * 2007-04-02 2010-03-24 崔星植 Elevator device and control method thereof
CN104291196A (en) * 2013-07-19 2015-01-21 株式会社日立制作所 Elevator control device
CN103449288A (en) * 2013-09-16 2013-12-18 罗湘林 Energy-saving elevator bank with traction machine driving two lift cars
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