KR101791857B1 - Lower part frame structure for elevator - Google Patents

Lower part frame structure for elevator Download PDF

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Publication number
KR101791857B1
KR101791857B1 KR1020150184911A KR20150184911A KR101791857B1 KR 101791857 B1 KR101791857 B1 KR 101791857B1 KR 1020150184911 A KR1020150184911 A KR 1020150184911A KR 20150184911 A KR20150184911 A KR 20150184911A KR 101791857 B1 KR101791857 B1 KR 101791857B1
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KR
South Korea
Prior art keywords
cage
emergency stop
lower frame
stop device
elevator
Prior art date
Application number
KR1020150184911A
Other languages
Korean (ko)
Other versions
KR20170075358A (en
Inventor
김동복
Original Assignee
(주)모든엘리베이터
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020150184911A priority Critical patent/KR101791857B1/en
Publication of KR20170075358A publication Critical patent/KR20170075358A/en
Application granted granted Critical
Publication of KR101791857B1 publication Critical patent/KR101791857B1/en

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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
    • 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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • B66B11/005—Arrangement of driving gear, e.g. location or support in the hoistway on the car
    • 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
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The present invention relates to a lower frame structure for an elevator,
A lower structure for an elevator which is provided at a lower end of a cage and cooperates with an emergency stop means to stop the cage in an emergency, the lower structure comprising: a drive sheave provided at a lower end of a lower frame provided under the cage to guide a rope; And an emergency stop device provided at a lower portion thereof.
As described above, the present invention improves the conventional lower frame structure to provide a drive sheave at the lower end of the lower frame installed at the lower end of the cage and closely contact the lower portion of the drive sheave as much as possible, By reducing the distance to the end of the device as much as possible, it is possible to provide a wide building construction space due to the effect of reducing the pit of the hoistway of the building by more than 200mm compared with the existing structure. Also, the installation work is very easy by reducing the weight of the elevator, It has an effect.

Description

[0001] The present invention relates to a lower part frame structure for elevator,

More particularly, the present invention relates to a lower frame structure for an elevator, in which a cage is stopped at a predetermined height, a driving sheave is installed on a lower frame provided under the cage, By minimizing the distance from the lower part of the cage to the end of the emergency device, it reduces the pit depth of the building compared to the existing structure, thereby providing an advantage in the construction of the structure and the lower frame structure installed on the cage shortens the pit To a lower frame structure for an elevator in which installation work is very easy due to the effect of reducing the weight of the elevator car and the weight of the structure.

[Background Art] Generally, an elevator is installed inside a building to facilitate the movement of passengers between the floors. In order to install an elevator, first, a certain space is formed inside the building and a platform is formed on each floor so as to be connected to the hoistway A driving unit installed on an upper portion or a lower portion of the hoistway to generate rotary power by an external power source, a cage which is moved up and down according to driving of the driving unit, A platform installed on each floor for boarding the cage, and a platform door installed on the platform.

In order to secure the safe operation of the cage, various kinds of safety devices are installed in various places of the elevator. For example, the governor installed on the upper or lower part of the hoistway may be installed under the cage when the abnormal speed of the cage is sensed. The emergency stop means is activated to stop the cage so as to safely protect the passenger.

The emergency stop means is provided with an emergency stop device under the lower frame of the cage, and a drive sheave device is installed under the emergency stop device. At this time, since a mutual drive space is required, the distance h from the lower frame of the cage to the end of the drive sheave ) Is required to be at least 688 mm, which is inconvenient and difficult for the operator to install the respective devices, and the efficiency of the work is inferior.

"Elevator emergency stop device"

SUMMARY OF THE INVENTION [0006] In order to solve the above-described problems, an object of the present invention is to provide a method of assembling a lower frame structure in which a lower frame is provided with an emergency stop device, a driving sheave is provided below the emergency stop device, The present invention provides a structure for assembling a lower frame structure by providing a drive sheave at a lower end portion of a lower frame and installing an emergency stop device at a lower portion of the drive sheave , The pit of the hoistway of the building is shortened by 200 mm or more, that is, the pit of the lower stern structure is formed to be short, thereby providing a wide construction space in the hoistway at the time of construction and construction, So as to provide an elevator bottom structure that is very easy to install.

In order to achieve the above object,

A lower structure for an elevator which is provided at a lower end of a cage and cooperates with an emergency stop means to stop the cage in an emergency, the elevator structure comprising: a drive sheave provided at a lower end of a lower frame provided under the cage to guide a rope; And an emergency stop device provided at a lower portion thereof.

The driving sheave may include a connecting body mounted on the lower frame, a pair of guide sheaves rotatably installed on the connecting body to guide the ropes, and a space provided between the pair of guide sheaves .

In addition, the emergency stop device includes an engaging member provided at both ends to be connected to a lower portion of the cage, an operating portion provided with the engaging member, a fixing member provided at one side of the engaging member, A rotating body having one end rotatably connected to the operating portion and the other end connected to the operating portion; and an interlocking robot connected to the rotating body, the interlocking robot interlocking the rotating body with the rotating body.

In addition, a drive sheave and an emergency stop device are installed in order in a lower frame provided under the cage,

A driving sheave is provided at a lower portion of the lower frame, and an emergency stop device is installed between the sheaves provided in the driving sheave and the inside of the rope.

In addition, a driving sheave and an emergency stop device are installed below the cage,

The emergency stop device is installed in parallel with the transverse direction at the center of the lower part of the cage, and the drive sheave is installed to cross the emergency stop device.

As described above, the present invention improves the conventional lower frame structure to provide a drive sheave at the lower end of the lower frame installed at the lower end of the cage and closely contact the lower portion of the drive sheave as much as possible, By reducing the distance to the end of the device as much as possible, it is possible to provide a wide building construction space due to the effect that the pit of the hoistway of the building is shortened by more than 200mm compared with the existing one, and also the installation work is very easy by reducing the weight of the elevator, It has an effect.

1 is a structural view showing a problem of a conventional lower frame structure.
FIG. 2 is a process diagram illustrating an assembling process of a lower frame structure for an elevator according to the present invention; FIG.
3 is a structural view showing a combined structure of a lower frame structure for an elevator according to the present invention;
Fig. 4 is a bottom view showing the interlocking of the emergency stop device and the drive sheave according to the present invention. Fig.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The present invention relates to a lower frame structure for an elevator which is provided at the lower end of a cage (1) and cooperates with an emergency stop means to stop the cage (1) in an emergency,

A driving sheave 10 provided at the lower end of the lower frame 3 provided under the cage 1 to guide the rope 4 and an emergency stop device 20 provided below the driving sheave 10 .

Hereinafter, the constituent elements and actions of the lower frame structure according to the present invention will be described in detail.

As shown in Figs. 2 to 3,

The present invention largely comprises a drive sheave (10) and an emergency stop device (20).

The driving sheave 10 is provided with a connecting body 11 having a bar shape so as to be installed in the lower frame 3 of the cage 1 and a rope 4 is guided to the lower ends of both sides of the connecting body 11, A pair of guide sheaves 12 are provided for raising and lowering the emergency stop device 20 and the installation space 13 formed for installing the emergency stop device 20 between the pair of guide sheaves 12 .

The emergency stop device 20 is provided on both sides of the coupling members 21 and 21 'so as to be coupled and fixed to the coupling portions formed on both sides of the lower portion of the cage 1. The coupling members 21 and 21' The fixing members 23 and 23 'provided at one side of the engaging members 21 and 21' and the fixing members 23 and 23 'are provided with the operating portions 22 and 22' And the other end is connected to the actuating portions 22 and 22 'so as to rotate in conjunction with the operation of the actuating portions 22 and 22' 24 'and 24', which are connected to the rotating body 24 and 24 ', and which are operatively coupled to the rotating body 24 (24') by interlocking with the interlocking rope 24 ' 25).

The drive sheave 10 and the emergency stop device 20 are installed in order on the lower frame 3 provided below the cage 1,

A driving sheave 10 is provided on the bottom frame 3 at the bottom and between the respective guide sheaves 12 provided on both sides of the driving sheave 10 and a rope 4), and the emergency stop device 20 is located and installed.

The emergency stop device 20 is installed parallel to the center of the cage 1 in a transverse direction and the drive sheave 10 is installed to cross the emergency stop device 20,

The distance between the lower portion of the cage 1 and the end of the emergency device is reduced as much as possible so that the pit of the hoistway of the building shortened according to the structure of the conventional lower frame structure is formed long, And the reduction of the weight of the elevator, shock absorption effect is increased compared to the conventional shock absorber.

Hereinafter, the joining process according to the structure of the lower frame structure for an elevator according to the present invention will be described.

As shown in Figs. 2 to 4,

First, the elevator is moved up to a predetermined height of the hoistway, and then the connecting body 11 of the driving sheave 10 formed in a bar shape is fixed to the lower frame 3 of the cage 1, 10 to the respective guide sheaves 12 formed at the lower portions of both sides thereof.

After the above process,

The emergency stop device 20 is placed in the installation space 13 formed in the drive sheave 10 and then the engaging members 21 and 21 ' The emergency stop device 20 is disposed in parallel to the center of the cage 1 in a transverse direction and is positioned so as to intersect with the drive sheave 10 and fixedly installed .

The emergency stop device 20 according to the present invention will be briefly described.

The operation portions 22 and 22 'are operated to rotate the rotors 24 and 24 installed on the respective fixing members 23 and 23' around the rotation axis and simultaneously rotate the interlocking ropes 25 , The emergency stop means (not shown) is operated to forcibly stop the descent of the cage 1, so that the stopping state of the cage 1 can be continuously maintained, The lowering of the cage 1 due to a malfunction can be prevented in advance.

That is, the present invention provides a structure in which a driving sheave 10 is installed at a lower end of a lower frame 3 and an emergency stop device 20 is installed at a lower portion of the driving sheave 10 , It is possible to reduce the pit of the hoistway of the building by more than 200mm by forming the pit of the lower body structure in short, and by providing the wider construction space at the time of building construction, the worker can work safely and easily So that the efficiency of the operation can be improved and the weight of the elevator can be reduced to provide an advantage of shock absorbing buffering effect compared to the conventional shock absorber shock absorber.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims and their equivalents. It will be understood by those of ordinary skill in the art that various changes and modifications may be made without departing from the scope of the present invention.

1: Cage
3: Lower frame
4: Rope
10: Driving sheave
11: connector
12: A pair of guide sheaves
13: Installation space part
20: Emergency stop device
21, 21 ': coupling member
22 and 22 '
23,23 ': Fixing member
24,24 ': Rotating body
25,25 ': Interlocking rope

Claims (5)

delete A lower frame 3 provided at the lower end of the cage 1 and provided at the lower end of the cage 1 to interfere with the emergency stop means so as to stop the cage 1, And an emergency stop device (20) provided below the drive sheave (10), wherein the emergency stop device (20)
The driving sheave 10 includes a connecting body 11 mounted on the lower frame 3, a pair of guide sheaves 12 rotatably installed on the connecting body 11 and guiding the rope 4, And an installation space portion (13) formed between the pair of guide sheaves (12)
The emergency stop device 20 includes coupling members 21 and 21 'provided at both ends of the cage 1 to be connected to the lower portion of the cage 1 and an operation portion 22' provided with the coupling members 21 and 21 ' A fixing member 23 'provided on one side of the engaging member 21' and a fixing member 23 'provided on the fixing member 23 and 23' And the other end of which is connected to the actuating part 22 or 22 'and a rotating body 24' which is connected to the rotating body 24 or 24 ' 24 ', which are interlocked with each other in accordance with a rotating action,
A driving sheave 10 is provided under the lower frame 3 provided under the cage 1 and between the sheaves provided on the driving sheave 10 and the inside of the rope 4, The emergency stop device 20 is installed in parallel to the center of the lower portion of the cage 1 in a transverse direction and the drive sheave 10 is installed to cross the emergency stop device 20 The lower frame structure for an elevator.


















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KR1020150184911A 2015-12-23 2015-12-23 Lower part frame structure for elevator KR101791857B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150184911A KR101791857B1 (en) 2015-12-23 2015-12-23 Lower part frame structure for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150184911A KR101791857B1 (en) 2015-12-23 2015-12-23 Lower part frame structure for elevator

Publications (2)

Publication Number Publication Date
KR20170075358A KR20170075358A (en) 2017-07-03
KR101791857B1 true KR101791857B1 (en) 2017-11-01

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102649766B1 (en) 2023-10-19 2024-03-21 동양에레베이터 주식회사 Car lower driving elevator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030217896A1 (en) * 2002-05-22 2003-11-27 Miller Michael G. Elevator safety plank assembly
JP2012096899A (en) * 2010-11-02 2012-05-24 Hitachi Ltd Elevator apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030217896A1 (en) * 2002-05-22 2003-11-27 Miller Michael G. Elevator safety plank assembly
JP2012096899A (en) * 2010-11-02 2012-05-24 Hitachi Ltd Elevator apparatus

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