CN111232779A - Intelligent elevator leveling system and method based on rope end position adjustment - Google Patents
Intelligent elevator leveling system and method based on rope end position adjustment Download PDFInfo
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- CN111232779A CN111232779A CN202010143483.6A CN202010143483A CN111232779A CN 111232779 A CN111232779 A CN 111232779A CN 202010143483 A CN202010143483 A CN 202010143483A CN 111232779 A CN111232779 A CN 111232779A
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- rope
- adjusting device
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- position adjusting
- landing
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Classifications
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- 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
- B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
- B66B1/42—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive
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- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- 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
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an elevator intelligent floor leveling system and method based on rope end position adjustment. 1. The system monitors the position of the lift car in a limit switch mode, and is low in cost and simple and convenient to maintain; 2. the rope head position adjusting device adopts a spiral jack, so that the accurate displacement of the rope head of the driving steel wire rope can be ensured, and the accurate movement of the car position can be further ensured; 3. the system has high reliability and strong adaptability, and can be used for various lifting systems.
Description
Technical Field
The invention belongs to the field of elevator equipment, and particularly relates to an intelligent elevator floor leveling system and method based on rope end position adjustment.
Background
With the development of society, the improvement of the living standard of people and the requirement of the progress of industrial technology, consumers of modern industrial products begin to consider more the comfort and reliability of the products. From both the manufacturer and consumer perspective, increasing the reliability and comfort of a product is an urgent need for the industry. Various lifting systems similar to elevator systems are closely related to the production life of people, and the solution of two problems is very important to the optimization and improvement of the elevator systems. Namely, two requirements of ensuring accurate butt joint with a landing when the car stops and ensuring that the car does not sink along with the increase of the load are met. The invention provides a reasonable solution based on the two practical problems, is an effective means for optimizing the intelligent elevator flat-bed system from both economic and feasibility aspects, and has certain significance for solving the problem of unstable operation of the elevator system and improving the reliability.
Disclosure of Invention
The invention aims to provide an intelligent elevator leveling system which monitors the position of a car through a limit switch and adjusts the height of the car by controlling a rope end position adjusting device to change the position of a fixed end of a steel wire rope.
In order to solve the technical problems, the invention adopts the following technical scheme: an elevator intelligent leveling system based on rope end position adjustment comprises a lift car, a balance weight, a balance steel wire rope, a driving steel wire rope and a landing, wherein a traction machine is connected between the lift car and the balance weight, the leveling system also comprises a first pulley arranged on the upper end part of the lift car, a second pulley arranged on the upper end part of the balance weight, a rope end position adjusting device arranged in a well and positioned above the lift car, and a position sensor used for detecting the position of the lift car and outputting a signal to the rope end position adjusting device so as to enable the rope end position adjusting device to control the vertical position of the lift car, the position sensor is arranged on the lift car and the landing, one end part of the driving steel wire rope is fixedly connected to the rope end position adjusting device and then sequentially bypasses the lower half cycle of the first pulley, the upper half cycle of the traction machine and the lower half cycle of the second pulley, the other end is fixed in the shaft and is positioned above the counterweight.
Preferably, the limit switch comprises a plurality of photoelectric position sensors and a trigger stop block, the photoelectric position sensors are installed on the car and are sequentially arranged from top to bottom, and the trigger stop block is arranged in the landing.
Preferably, the rope end position adjusting device is a hydraulic jack or a threaded jack or a lifting motor with a winding disc.
Furthermore, the screw jack comprises a driving motor, a screw rod in transmission connection with the driving motor, and a transmission nut in threaded connection with the screw rod, and the driving steel wire rope is connected with the transmission nut.
The invention also provides a method of the elevator intelligent leveling system based on the rope head position adjustment, which comprises the following steps: firstly, setting a photoelectric position sensor distributed at the middle position in a photoelectric position sensor of a limit switch installed on one landing when the car is level with the landing, wherein the photoelectric position sensor is a centering photoelectric position sensor; when the lift car is inclined upwards relative to the landing, the triggering stop block triggers the photoelectric position sensor which is positioned at the lower middle position in the photoelectric position sensor, at the moment, the rope end position adjusting device controls the end part of the driving steel wire rope connected with the rope end position adjusting device to move downwards, the lift car descends along with the rope end position adjusting device, and the rope end position adjusting device stops acting and is locked until the triggering stop block triggers the photoelectric position sensor which is positioned at the middle position; when the lift car is inclined downwards relative to the landing, the triggering stop block triggers the photoelectric position sensor which is positioned on the upper side of the middle limit switch, at the moment, the rope end position adjusting device controls the end part of the driving steel wire rope connected with the rope end position adjusting device to move upwards, the lift car ascends along with the rope end position adjusting device, and the rope end position adjusting device stops and locks until the triggering stop block triggers the photoelectric position sensor which is positioned on the middle limit switch.
The invention has the beneficial effects that: 1. the system monitors the position of the lift car in a limit switch mode, and is low in cost and simple and convenient to maintain; 2. the rope head position adjusting device adopts a spiral jack, so that the accurate displacement of the rope head of the driving steel wire rope can be ensured, and the accurate movement of the car position can be further ensured; 3. the system has high reliability and strong adaptability, and can be used for various lifting systems.
Drawings
FIG. 1 is a view of the main structure of the system;
FIG. 2 is a detailed illustration of the position of the trigger block (3-2) relatively flush with the limit switch when the car is flush with the landing;
FIG. 3 is a detailed view of the relative position of the trigger block (3-2) and limit switch when the car (6) is deflected relative to the landing (8);
in the figure: 1-1, driving a steel wire rope; 1-2, balancing the steel wire rope; 2-1, 2-2 and a pulley; 3-1, triggering a stop block; 3-2, photoelectric position sensor; 4. a traction machine; 5. a rope end position adjusting device; 6. a car; 7. balancing weight; 8. and (4) landing.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the intelligent elevator leveling system based on the rope head position adjustment comprises a car 6, a counterweight 7, a balance steel wire rope 1-2 and a drive steel wire rope 1-1, wherein a traction machine 4 is connected between the car 6 and the counterweight 7, a landing 8, a first pulley 2-1 arranged on the upper end part of the car 6, a second pulley 2-2 arranged on the upper end part of the counterweight 7, a rope head position adjusting device 5 arranged in a hoistway and positioned above the car 6, and a position sensor used for detecting the position of the car 6 and outputting a signal to the rope head position adjusting device 5 so as to enable the rope head position adjusting device 5 to control the up-and-down position of the car 6.
The position sensor is a limit switch which comprises a plurality of photoelectric position sensors 3-2 which are arranged on the car 6 and are sequentially arranged from top to bottom and a trigger stop 3-1 arranged at the landing 8. One end of the drive wire rope 1-1 is fixedly connected to the rope end position adjusting device 5, and then sequentially passes around the lower half of the first sheave 2-1, the upper half of the hoisting machine 4, and the lower half of the second sheave 2-2, and the other end is fixed in the hoistway above the counterweight 7, and in this embodiment, the other end is fixed in the hoistway on the right side of the hoisting machine 4. The rope end position adjusting device 5 is fixed at the upper left position of the traction machine 4 and is a hydraulic jack or a threaded jack or a lifting motor with a winding disc. In this embodiment, the rope end position adjusting device 5 is a screw jack, the screw jack includes a driving motor, a lead screw in transmission connection with the driving motor, and a transmission nut in threaded connection with the lead screw, and the driving steel wire rope 1-1 is connected with the transmission nut.
The method of the intelligent elevator leveling system based on the rope head position adjustment comprises the following steps: firstly, when the car 6 is level with one landing 8, the triggering block 3-1 of the limit switch triggers the photoelectric position sensors 3-2 distributed at the middle position in the photoelectric position sensors 3-2 of the limit switch installed on the landing 8, and the photoelectric position sensors 3-2 are centering photoelectric position sensors 3-2.
When the car 6 is upward relative to the landing 8, the triggering stop 3-1 triggers the photoelectric position sensor 3-2 which is positioned at the middle downward position in the photoelectric position sensor 3-2, at the moment, the rope end position adjusting device 5 controls the end part of the driving steel wire rope 1-1 connected with the rope end position adjusting device to move downward, the car 6 descends along with the rope end position adjusting device, and the rope end position adjusting device 5 stops acting and is locked until the triggering stop 3-1 triggers the photoelectric position sensor 3-2 which is positioned at the middle; when the car 6 is inclined downwards relative to the landing 8, the triggering stop 3-1 triggers the photoelectric position sensor 3-2 which is positioned on the upper side of the middle limit switch, at the moment, the rope end position adjusting device 5 controls the end part of the driving steel wire rope 1-1 connected with the rope end position adjusting device to move upwards, the car 6 rises along with the rope end position adjusting device, and when the triggering stop 3-1 triggers the photoelectric position sensor 3-2 which is positioned in the middle, the rope end position adjusting device 5 stops acting and is locked.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an elevator intelligence leveling system based on adjustment of fag end position, its includes car, counter weight, hauler connect in balanced wire rope and drive wire rope and the landing between car and the counter weight, its characterized in that: the leveling system is characterized by further comprising a first pulley arranged on the upper end part of the car, a second pulley arranged on the upper end part of the counterweight, a rope head position adjusting device arranged above the car and used for detecting the position of the car and outputting a signal to the rope head position adjusting device and further leading the rope head position adjusting device to control a position sensor of the upper position and the lower position of the car, the position sensor is arranged on the car and a landing, one end part of the driving steel wire rope is fixedly connected to the rope head position adjusting device and then sequentially bypasses the lower half cycle of the first pulley, the upper half cycle of the tractor and the lower half cycle of the second pulley, and the other end part of the driving steel wire rope is fixed in the hoistway and is positioned above the counterweight.
2. The intelligent elevator leveling system based on rope head position adjustment according to claim 1, characterized in that: the position sensor is a limit switch, and the limit switch comprises a plurality of photoelectric position sensors which are arranged on the car and are sequentially arranged from top to bottom and a trigger stop block arranged in the landing.
3. The intelligent elevator leveling system based on rope head position adjustment according to claim 1, characterized in that: the rope end position adjusting device is a hydraulic jack or a threaded jack or a lifting motor with a winding disc.
4. The intelligent elevator leveling system based on rope head position adjustment according to claim 3, wherein: the screw jack comprises a driving motor, a screw rod in transmission connection with the driving motor, and a transmission nut in threaded connection with the screw rod, and the driving steel wire rope is connected with the transmission nut.
5. Method of intelligent elevator landing system based on rope position adjustment according to any of claims 1-4, characterized in that it comprises: firstly, setting a photoelectric position sensor distributed at the middle position in a photoelectric position sensor of a limit switch installed on one landing when the car is level with the landing, wherein the photoelectric position sensor is a centering photoelectric position sensor; when the lift car is inclined upwards relative to the landing, the triggering stop block triggers the photoelectric position sensor which is positioned at the lower middle position in the photoelectric position sensor, at the moment, the rope end position adjusting device controls the end part of the driving steel wire rope connected with the rope end position adjusting device to move downwards, the lift car descends along with the rope end position adjusting device, and the rope end position adjusting device stops acting and is locked until the triggering stop block triggers the photoelectric position sensor which is positioned at the middle position; when the lift car is inclined downwards relative to the landing, the triggering stop block triggers the photoelectric position sensor which is positioned on the upper side of the middle limit switch, at the moment, the rope end position adjusting device controls the end part of the driving steel wire rope connected with the rope end position adjusting device to move upwards, the lift car ascends along with the rope end position adjusting device, and the rope end position adjusting device stops and locks until the triggering stop block triggers the photoelectric position sensor which is positioned on the middle limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143483.6A CN111232779A (en) | 2020-03-04 | 2020-03-04 | Intelligent elevator leveling system and method based on rope end position adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143483.6A CN111232779A (en) | 2020-03-04 | 2020-03-04 | Intelligent elevator leveling system and method based on rope end position adjustment |
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| CN111232779A true CN111232779A (en) | 2020-06-05 |
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| CN202010143483.6A Pending CN111232779A (en) | 2020-03-04 | 2020-03-04 | Intelligent elevator leveling system and method based on rope end position adjustment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1522220A (en) * | 2002-05-01 | 2004-08-18 | 三菱电机株式会社 | Elevating/lowering mechanism and elevating/lowering method for elevator |
| CN101554970A (en) * | 2009-05-05 | 2009-10-14 | 苏州东南电梯（集团）有限公司 | Machine-roomless lift |
| JP2013043714A (en) * | 2011-08-22 | 2013-03-04 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator |
| CN106185518A (en) * | 2016-09-26 | 2016-12-07 | 西继迅达（许昌）电梯有限公司 | A kind of elevator fluid pressure type safety leveling device again |
| CN206842799U (en) * | 2017-03-27 | 2018-01-05 | 广东通立电梯有限公司 | A kind of machine-roomless lift |
| CN109987488A (en) * | 2018-01-02 | 2019-07-09 | 杭州菱智电梯科技有限公司 | A kind of elevator of more host drivens |
| CN212315231U (en) * | 2020-03-04 | 2021-01-08 | 东南电梯股份有限公司 | Elevator intelligence flat bed system based on adjustment of fag end position |
-
2020
- 2020-03-04 CN CN202010143483.6A patent/CN111232779A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1522220A (en) * | 2002-05-01 | 2004-08-18 | 三菱电机株式会社 | Elevating/lowering mechanism and elevating/lowering method for elevator |
| CN101554970A (en) * | 2009-05-05 | 2009-10-14 | 苏州东南电梯（集团）有限公司 | Machine-roomless lift |
| JP2013043714A (en) * | 2011-08-22 | 2013-03-04 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator |
| CN106185518A (en) * | 2016-09-26 | 2016-12-07 | 西继迅达（许昌）电梯有限公司 | A kind of elevator fluid pressure type safety leveling device again |
| CN206842799U (en) * | 2017-03-27 | 2018-01-05 | 广东通立电梯有限公司 | A kind of machine-roomless lift |
| CN109987488A (en) * | 2018-01-02 | 2019-07-09 | 杭州菱智电梯科技有限公司 | A kind of elevator of more host drivens |
| CN212315231U (en) * | 2020-03-04 | 2021-01-08 | 东南电梯股份有限公司 | Elevator intelligence flat bed system based on adjustment of fag end position |
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Application publication date: 20200605 |
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