CN115535794A - Multi-car intelligent parallel elevator driving wheel stable operation method - Google Patents

Multi-car intelligent parallel elevator driving wheel stable operation method Download PDF

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Publication number
CN115535794A
CN115535794A CN202110482652.3A CN202110482652A CN115535794A CN 115535794 A CN115535794 A CN 115535794A CN 202110482652 A CN202110482652 A CN 202110482652A CN 115535794 A CN115535794 A CN 115535794A
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CN
China
Prior art keywords
limiting
driving
suspension
driving wheel
track
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Pending
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CN202110482652.3A
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Chinese (zh)
Inventor
周立波
朱建伟
毛凯萍
刘翔
谭慧
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Hunan Daju Information Technology Co ltd
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Hunan Daju Information Technology Co ltd
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Priority to CN202110482652.3A priority Critical patent/CN115535794A/en
Publication of CN115535794A publication Critical patent/CN115535794A/en
Pending legal-status Critical Current

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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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • 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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
    • 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
    • B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
    • 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
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The invention provides a method for stably running a driving wheel of a multi-car intelligent parallel elevator, which comprises a car, a track, a driving device, a suspension device and a plurality of driving wheels, wherein the driving device and the car are both arranged on the suspension device, the driving device is connected with the suspension device and drives the driving wheels to rotate along with the track, the driving wheels are positioned between two groups of balance positions, the balance positions are installation positions or limiting component positions, the installation positions are the connection positions of the driving device and the suspension device, the limiting component positions are the connection positions of a limiting component and the track, and the limiting component is connected with the driving device or the suspension device. The invention can balance the torque generated by the dead weight of the driving device, the weight of the suspension and the weight of the lift car, ensure that the driving wheel only bears the acting force in the vertical direction, ensure that the driving wheel runs in the vertical direction, reduce the loss and the energy consumption, improve the running efficiency, achieve better running state and driving effect and prolong the service life of the driving wheel.

Description

Multi-car intelligent parallel elevator driving wheel stable operation method
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a method for stably running a multi-car intelligent parallel elevator driving wheel.
Background
Elevators have become an indispensable manned or cargo vertical transport vehicle in modern society and economic activities. Since 1854 the invention of elevators, elevator cars have been operated by wire rope sheave traction drive, and machine rooms, traction motors and reduction gears were installed on the top floors of buildings to drive wire ropes to pull the cars and counterweights to operate on rails in the hoistway. The driving mode enables only one elevator car to normally run in a single shaft, and the elevator in the single-elevator-car running mode can meet the use requirement on low-rise buildings and floors with small passenger flow. With the rapid development of modern cities, high-rise buildings and super high-rise buildings with large population density are pulled out, the defects of long elevator waiting time and low conveying efficiency of elevators in a single-car operation mode are continuously enlarged, and the traditional single-car elevator operation mode is difficult to adapt to the rapid development requirements of modern city buildings.
In order to improve the building space utilization rate and the elevator conveying efficiency and reduce the construction cost of buildings and elevators, a multi-car parallel elevator is being developed and applied along with the continuous development of the engineering technical level. The multi-car parallel elevator adopts the direct drive technology without the traction steel wire rope, so that a plurality of elevator cars can be operated simultaneously in the same shaft, and the elevators among the shafts can be switched to operate in the shafts, so as to realize the overrunning operation.
The patent applications with the applicant application numbers of PCT/CN2020/105758 and 2020107515964 and other patent application texts relate to an elevator system without a traction steel wire rope, a driving device of the elevator system adopts tire friction driving, an elevator is of a knapsack structure, and the driving device can bear torque generated by self weight, a suspension frame and the weight of a car, so that a driving wheel bears acting forces in the horizontal direction and the vertical direction, the driving wheel can be deviated, the loss is accelerated, the energy consumption is increased, and the operation efficiency is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a method for stably operating a multi-car intelligent parallel elevator driving wheel, which limits a driving device in a direction perpendicular to the length direction of a rail through a first limiting assembly or/and a suspension limiting assembly, can balance the dead weight of the driving device, the weight of the suspension and the torque generated by the weight of a car, ensures that the driving wheel only bears the acting force in the vertical direction, enables the driving wheel to operate in the vertical direction, reduces the loss and the energy consumption, improves the operation efficiency, achieves better operation state and driving effect, and prolongs the service life of the driving wheel.
In order to achieve the purpose, the invention adopts the technical scheme that:
the intelligent parallel elevator driving wheel stable operation method comprises a car, a track, a driving device, a suspension device and a plurality of driving wheels, wherein the driving device and the car are installed on the suspension device, the driving device is connected with the track and drives the driving wheels to rotate, the driving wheels are located between two groups of balance positions, the balance positions are installation positions or limiting component positions, the installation positions are the joints of the driving device and the suspension device, the limiting component positions are the joints of the limiting components and the track, and the limiting components are connected with the driving device or the suspension device.
As a further improvement of the above technical solution:
the elevator further comprises at least one group of suspension limiting assemblies used for limiting the suspension device, the suspension limiting assemblies are connected with the suspension device, and the suspension limiting assemblies are attached to the rail to run.
The elevator is provided with a limiting assembly, the limiting assembly is a first limiting assembly, the first limiting assembly is provided with a group and is connected with the driving device or the suspension device, the first limiting assembly is attached to the track to run, and the driving wheel is located between the first limiting assembly and the installation position.
The driving device is connected with the suspension device through a connecting piece, one end of the connecting piece is fixedly connected or hinged with the driving device, and the other end of the connecting piece is fixedly connected with the suspension device.
The elevator is provided with two groups of first limiting assemblies, and the driving wheel is positioned between the two groups of first limiting assemblies.
The driving device is connected with the suspension device through a connecting piece, one end of the connecting piece is hinged with the driving device, and the other end of the connecting piece is hinged with the suspension device.
The suspension device is provided with two groups of suspension limiting assemblies, a driving device is arranged between the two groups of suspension limiting assemblies, two ends of the driving device are respectively connected with the suspension device, and a driving wheel is positioned between the two mounting positions.
The track comprises a driving part and a limiting part, the driving part and the limiting part are perpendicular to each other on the cross section of the track, the circumferential surface of the driving wheel is attached to the driving part to run, the driving wheel is located on one side of the limiting part, and the driving device, the suspension device and the lift car are located on the other side of the limiting part.
The first limiting component comprises a first limiting part, the first limiting part is attached to the limiting part of the track to run, and the first limiting part and the driving wheel are located on the same side of the limiting part of the track.
The first limiting assembly further comprises a second limiting part, the second limiting part is attached to the limiting part of the track, and the second limiting part and the driving wheel are located on two sides of the limiting part of the track respectively.
The beneficial effects of the invention are: carry out perpendicular to track length direction's spacing to drive arrangement through first spacing subassembly or/and suspension spacing subassembly, can balance the torque that drive arrangement dead weight, suspension weight and car weight produced, ensure that the drive wheel only bears the effort of vertical direction for the drive wheel moves along vertical direction, loss and energy consumption reduce, improve the operating efficiency, reach better running state and drive effect, improve the life of drive wheel.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 3 is an enlarged schematic view at D of fig. 2.
FIG. 4 is a schematic diagram of a second embodiment of the present invention.
Fig. 5 is a schematic diagram of a third embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The multi-car intelligent parallel elevator driving wheel stable operation method is characterized in that the elevator is a traction-free steel wire rope elevator, the elevator comprises a car 5, a track 1, a driving device 4, a suspension device 6 and a plurality of driving wheels 41, the driving device 4 and the car 5 are both installed on the suspension device 6, the driving wheels 41 are attached to the track 1, the driving device 4 is connected with and drives the driving wheels 41 to rotate, the driving wheels 41 are attached to the track 1 to roll, and the driving device 4 drives the suspension device 6 and the car 5 to operate along the track 1 through the driving wheels 41.
Track 1 includes drive division and spacing portion, and drive division and spacing portion are perpendicular to each other, or on track 1's the cross section, drive division and spacing portion are perpendicular to each other, and the operation of drive wheel 41's circumferential surface laminating drive division. The drive wheel 41 is located on one side of the stopper portion, and the drive device 4, the suspension device 6, and the car 5 are located on the other side of the stopper portion.
The elevator also comprises at least one group of suspension limiting assemblies 3, the suspension limiting assemblies 3 are connected with the suspension device 6, and the suspension limiting assemblies 3 are used for limiting the suspension device 6. Preferably, the suspension limiting assemblies 3 are provided in two groups, which are respectively located at the upper end and the lower end of the suspension device 6, and the two groups of suspension limiting assemblies 3 are arranged at intervals along the track 1.
The suspension limiting assembly 3 is attached to the track 1 to run. Specifically, the suspension limiting component 3 includes a second mounting seat and a suspension limiting member 32, the suspension limiting member 32 is mounted on the second mounting seat, and the suspension limiting member 32 is attached to the limiting portion of the track 1 to operate. The suspension stop 32 may be a roller or a slider. The suspension stopper 32 and the drive wheel 41 are located on the same side of the stopper portion of the rail 1.
Further, the suspension limiting assembly 3 further includes a suspension auxiliary limiting member 31, the suspension auxiliary limiting member 31 is installed on the second installation base, the suspension auxiliary limiting member 31 is attached to the track 1 to operate, specifically, the suspension auxiliary limiting member 31 is attached to the limiting portion of the track 1, and the suspension auxiliary limiting member 31 and the suspension limiting member 32 are respectively located on two sides of the limiting portion of the track 1. The suspension auxiliary limiting part 31 plays a role in limiting the auxiliary suspension limiting part 32, so that vibration in the operation process is prevented, and the driving device 4 is ensured to operate more stably and reliably. The suspension auxiliary limiting member 31 may be a roller or a slider.
The driving wheel 41 is located between two groups of balance positions, the balance positions are installation positions or limiting component positions, the installation positions are connection positions of the driving device 4 and the suspension device 6, the limiting component positions are connection positions of the limiting components and the track 1, and the limiting components are connected with the driving device 4 or the suspension device 6.
The drive means 4 is subjected to a torque M due to its own weight and the weight and load of the suspension means 6 and the car 5, which torque M tends to cause the drive means 4 to move away from the track 1, so that the torque M can only be balanced by the friction of the drive wheels 41 with the track 1. At this time, the driving wheel 41 needs to bear not only the vertical frictional driving force but also the horizontal frictional force, which may cause the driving wheel 41 to be worn more severely, the driving direction to be changed, the operation state and the driving effect of the driving wheel 41 to be affected, and the service life of the driving wheel to be reduced.
When the torque generated by the driving device 4 and the load is M, the following components are used:
M＝F 1 ×L 1 +G×L 2
wherein the content of the first and second substances,
F 1 equivalent weight such as the weight of the suspension device 6, the weight and the load of the car 5;
g is the dead weight of the drive device 4;
L 1 an equivalent distance or moment arm for said equivalent weight;
L 2 the equivalent distance or moment arm of the weight of the drive means 4.
The technical scheme can balance the torque M, so that the driving wheel 41 does not bear the friction force in the horizontal direction, and only bears the friction force in the vertical direction for driving the driving wheel to run along the track 1 in the vertical direction.
Now, the details will be described by way of examples.
Example one
As shown in fig. 1 to 3, the drive device 4 is located above the car 5 and the suspension device 6, and the drive device 4 and the suspension device 6 are connected by a link 7. Specifically, the upper end of the connecting piece 7 is fixedly connected or hinged with the driving device 4, and the lower end of the connecting piece 7 is fixedly connected with the suspension device 6.
In this embodiment, the connection between the driving device 4 and the connecting member 7 is an installation position.
In this embodiment, a limiting component is provided, and the limiting component is a first limiting component 2. The first limiting assembly 2 is provided with a group, and the first limiting assembly 2 is positioned above the driving wheel 41. The first limiting assembly 2 is connected with the driving device 4 or the suspension device 6, the driving wheel 41 is located between the first limiting assembly 2 and the installation position, and the first limiting assembly 2 is attached to the track 1 to run.
The first limiting component 2 comprises a first mounting base and a first limiting component 21, the first limiting component 21 is mounted on the first mounting base, and the first limiting component 21 is attached to the limiting part of the track 1 to run. The first position-limiting member 21 may be a roller or a slider. The first limiting member 21 and the car 5 are respectively located on two sides of the limiting portion of the track 1, that is, the first limiting member 21 and the driving wheel 41 are located on the same side of the limiting portion of the track 1.
The load requirements of the first limiting member 21 are: the supporting force N that the first limiting member 21 can bear is not less than N 0 . Wherein N is 0 The supporting force N borne by the first limiting part 21 when the elevator runs 0 As shown in fig. 1, the supporting force N 0 Is directed perpendicularly to the track 1, to the side facing away from the car 5, and:
N 0 ×H 0 ＝M＝F 1 ×L 1 +G×L 2
wherein H 0 Is a supporting force N 0 The moment arm of (i.e. the holding force N) 0 Distance of points of action, or H, acting on the drive means 4 in rotation 0 Is a supporting force N 0 Distance to the mounting location.
The torque M generated by the driving device 4 and its load and the supporting force N borne by the first limiting member 21 0 The generated torques are equal in magnitude and opposite in direction.
Based on the above structure, the first limit component 2 limits the driving device 4 and the driving wheel 41 in the direction perpendicular to the rail 1, and the first limit member 21 balances the torque M generated by the weight of the driving device 4, the suspension device 6, the car 5 and the like on one side of the limit portion of the rail 1, thereby avoiding the need for balancing the torque M on the driving wheel 41 on the other side of the limit portion of the rail 1.
Preferably, the first limiting component 2 further includes a second limiting member 22, the second limiting member 22 is installed on the first installation base, the second limiting member 22 is attached to the track 1 to operate, specifically, the second limiting member 22 is attached to the limiting portion of the track 1, the second limiting member 22 and the driving wheel 41 are respectively located at two sides of the limiting portion of the track 1, in other words, the second limiting member 22 and the first limiting member 21 are respectively located at two sides of the limiting portion of the track 1. The second limiting member 22 plays a role in assisting in limiting, so as to prevent vibration during operation and ensure that the driving device 4 operates more stably and reliably. The second position-limiting member 22 can be a roller or a slider.
Example two
Different from the first embodiment, in the present embodiment, the upper end of the connecting member 7 is hinged to the driving device 4, the lower end of the connecting member 7 is also hinged to the suspension device 6, two sets of the first limiting assemblies 2 are provided, and the two sets of the first limiting assemblies 2 are arranged at intervals.
In this embodiment, the two sets of first limiting assemblies 2 are connected to the driving device 4. The drive wheel 41 is located between the two sets of first stop assemblies 2.
In this embodiment, the load requirements of the first limiting member 21 are as follows: the supporting force N that the first limiting member 21 can bear is not less than N 1 . Wherein N is 1 The supporting force N borne by the first limiting part 21 when the elevator runs 1 As shown in fig. 4, the first limiting member 21 above the driving wheel 41 receives the supporting force N 1 Is directed perpendicularly to the track 1, to the side facing away from the car 5. The supporting force N borne by the first limiting member 21 under the driving wheel 41 2 Is directed perpendicular to the track 1, towards the side of the car 5, and:
M＝N 1 ×H 1 ＝N 2 ×H 1 ＝F 1 ×L 1 +G×L 2
wherein H 1 Is the distance between two groups of first limiting assemblies 2.
The torque M generated by the driving device 4 and the load thereof and the supporting force N borne by the first limiting component 2 above the driving wheel 41 1 The generated torques are equal in magnitude and opposite in direction.
EXAMPLE III
As shown in fig. 5, in the present embodiment, two sets of suspension limiting assemblies 3 are provided, the driving device 4 is disposed between the two sets of suspension limiting assemblies 3, two ends of the driving device 4 are respectively connected to the suspension devices 6, and the connection between the driving device 4 and the suspension devices 6 is an installation position, and then in the present embodiment, there are two installation positions, and the two installation positions are located between the two sets of suspension limiting assemblies 3.
In this embodiment, the drive wheel 41 is located between the two mounting positions. At this time, the suspension limit component 3 canThe bearing supporting force N is more than or equal to N 3 . Wherein, N 3 Supporting force N borne by the suspension limiting component 3 when the elevator runs 3 As shown in fig. 5, the upper suspension limiting assembly 3 supports the force N 3 Is directed perpendicularly to the track 1, to the side facing away from the car 5. Lower suspension limiting component 3 supporting force N 4 Is directed perpendicular to the track 1, towards the side of the car 5, and:
M＝N 3 ×H 3 ＝N 4 ×H 3 ＝F 1 ×L 1 +G×L 2
wherein H 3 Is the distance between the two sets of suspension stop assemblies 3.
Finally, it is necessary to explain here: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the insubstantial modifications and adaptations made by those skilled in the art according to the above descriptions of the present invention are within the scope of the present invention.

Claims (10)

1. The multi-car intelligent parallel elevator driving wheel stable operation method is characterized in that the driving wheel (41) is located between two groups of balance positions, the balance positions are installation positions or limiting component positions, the installation positions are connection positions of the driving device (4) and the suspension device (6), the limiting component positions are connection positions of the limiting component and the track (1), and the limiting component is connected with the driving device (4) or the suspension device (6).
2. The drive wheel even running method according to claim 1, characterized in that: the elevator further comprises at least one group of suspension limiting assemblies (3) used for limiting the suspension device (6), the suspension limiting assemblies (3) are connected with the suspension device (6), and the suspension limiting assemblies (3) are attached to the track (1) to run.
3. The driving wheel smooth running method according to claim 1, characterized in that: drive arrangement (4) and suspension device (6) fixed connection, the elevator is equipped with spacing subassembly, spacing subassembly is first spacing subassembly (2), and first spacing subassembly (2) are equipped with a set ofly, and first spacing subassembly (2) are connected with drive arrangement (4) or suspension device (6), and first spacing subassembly (2) laminating track (1) moves, drive wheel (41) be located first spacing subassembly (2) and between the installation position.
4. The driving wheel smooth running method according to claim 3, characterized in that: the driving device (4) is connected with the suspension device (6) through a connecting piece (7), one end of the connecting piece (7) is fixedly connected or hinged with the driving device (4), and the other end of the connecting piece (7) is fixedly connected with the suspension device (6).
5. The driving wheel smooth running method according to claim 1, characterized in that: the elevator is provided with limiting assemblies, the limiting assemblies are first limiting assemblies (2), the first limiting assemblies (2) are provided with two groups, and the driving wheel (41) is located between the two groups of first limiting assemblies (2).
6. The drive wheel even running method according to claim 5, characterized in that: the driving device (4) is connected with the suspension device (6) through a connecting piece (7), one end of the connecting piece (7) is hinged with the driving device (4), and the other end of the connecting piece (7) is hinged with the suspension device (6).
7. The driving wheel smooth running method according to claim 2, characterized in that: the suspension device is provided with two groups of suspension limiting assemblies (3), a driving device (4) is arranged between the two groups of suspension limiting assemblies (3), two ends of the driving device (4) are respectively connected with a suspension device (6), and a driving wheel (41) is positioned between the two mounting positions.
8. The drive wheel even running method according to claim 1, characterized in that: the track (1) comprises a driving part and a limiting part, the driving part and the limiting part are perpendicular to each other on the cross section of the track (1), the circumferential surface of the driving wheel (41) is attached to the driving part to run, the driving wheel (41) is located on one side of the limiting part, and the driving device (4), the suspension device (6) and the car (5) are located on the other side of the limiting part.
9. The drive wheel even running method according to claim 8, characterized in that: the first limiting component (2) comprises a first limiting part (21), the first limiting part (21) is attached to the limiting part of the track (1) to run, and the first limiting part (21) and the driving wheel (41) are located on the same side of the limiting part of the track (1).
10. The driving wheel smooth running method according to claim 9, characterized in that: the first limiting assembly (2) further comprises a second limiting piece (22), the second limiting piece (22) is attached to the limiting portion of the track (1), and the second limiting piece (22) and the driving wheel (41) are located on two sides of the limiting portion of the track (1) respectively.
CN202110482652.3A 2021-04-30 2021-04-30 Multi-car intelligent parallel elevator driving wheel stable operation method Pending CN115535794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110482652.3A CN115535794A (en) 2021-04-30 2021-04-30 Multi-car intelligent parallel elevator driving wheel stable operation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110482652.3A CN115535794A (en) 2021-04-30 2021-04-30 Multi-car intelligent parallel elevator driving wheel stable operation method

Publications (1)

Publication Number Publication Date
CN115535794A true CN115535794A (en) 2022-12-30

Family

ID=84717463

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110482652.3A Pending CN115535794A (en) 2021-04-30 2021-04-30 Multi-car intelligent parallel elevator driving wheel stable operation method

Country Status (1)

Country Link
CN (1) CN115535794A (en)

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