KR20170013586A - Governor for elevator - Google Patents

Governor for elevator Download PDF

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Publication number
KR20170013586A
KR20170013586A KR1020150106432A KR20150106432A KR20170013586A KR 20170013586 A KR20170013586 A KR 20170013586A KR 1020150106432 A KR1020150106432 A KR 1020150106432A KR 20150106432 A KR20150106432 A KR 20150106432A KR 20170013586 A KR20170013586 A KR 20170013586A
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KR
South Korea
Prior art keywords
braking
governor
speed regulator
elevator
rope
Prior art date
Application number
KR1020150106432A
Other languages
Korean (ko)
Other versions
KR101754298B1 (en
Inventor
김동복
Original Assignee
(주)모든엘리베이터
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Priority to KR1020150106432A priority Critical patent/KR101754298B1/en
Publication of KR20170013586A publication Critical patent/KR20170013586A/en
Application granted granted Critical
Publication of KR101754298B1 publication Critical patent/KR101754298B1/en

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    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044—Mechanical overspeed governors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
    • 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
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • 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
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/185—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The present invention relates to an elevator speed regulator including: a base frame; a support frame provided at the bottom of the base frame, and formed thereon with a plurality of through-holes spaced apart from each other, in which a speed regulator rope penetrates through the through-holes; a fixed frame installed at the bottom of the support frame, and formed thereon with through-holes mutually corresponding to the through-holes of the support frame; a speed regulator pulley installed at the base frame to be rotated by a movement of the speed regulator pulley; a pair of ply weights installed to correspond to each other and each connected to a front of the speed regulator pulley by a link. In the elevator speed regulator with a braking device for braking an emergent speed regulator rope, the braking device is provided at a position between the support frame and the fixed frame, for mutually corresponding to the speed regulator rope so as to brake the speed regulator rope. Accordingly, the present invention provides the braking device, in which the speed regulator rope is instantly pressurized by a pair of baking members formed thereat with saw tooth-shape pressurizing parts according to an operation of a solenoid valve, and the braking members are inserted into the through-holes formed in the support frame to fix the speed regulator rope more firmly, such that the elevator stops by braking the speed regulator rope more rapidly when the elevator suddenly descends upon emergency and ascends due to a mechanical malfunction.

Description

[0001] GOVERNOR FOR ELEVATOR [0002]

The present invention relates to a governor for an elevator, and more particularly to a governor for an elevator. More particularly, the present invention relates to a governor for an elevator, and more particularly, To a governor for an elevator capable of providing an operating structure capable of braking.

[0002] Generally, an elevator installed in a hoistway formed in an inside of a building to facilitate inter-floor movement of a passenger includes an elevator car on which a passenger is boarded, a rail vertically installed on the hoistway to smooth up and down operation of the elevator car, And a machine room installed at an upper portion of the machine room. The machine room includes a driving device for raising and lowering the elevating car, and a governor for sensing the speed of the elevating car to ascend and descend to operate the emergency stop device when an abnormal speed is detected Will be installed.

When the governor rope connected to the elevator car travels at the same speed as the elevator car and the speed of the platform exceeds the rated speed (safe speed) during the operation of the elevator ascending / descending car, the speed governor primarily controls the switch And is operated to stop. If the speed of the elevator car continues to increase despite the operation of the switch, the safety gear is operated and the elevator car is forcibly braked.

As shown in Fig. 1,

A general elevator operation structure includes a hoistway 1, a machine room (not shown) located at the top of the hoistway 1, a hoisting rope 2 suspended from the hoistway 1, A balance weight 5 mounted on a lower portion of the platform 4 to hold the guide rail 3 in an emergency and to be mounted on the platform < RTI ID = 0.0 > A traction machine 7 installed in the machine room for rotating the roller around which the main rope 2 is wound to raise and lower the platform 4 and an electric motor (not shown) for driving the traction machine 7 And a governor 9 for operating the emergency stop device 6 when the speed of the electric motor 8 is lowered by operating the brake of the hoisting machine 7 by shutting off the power supply of the hoisting machine 7 when the hoisting frame 4 is abnormally accelerated ), And a control panel (not shown) that performs speed control, operation management control, and other necessary control of the platform (S).

At this time, the governor 9 is usually installed in the machine room, and the governor rope connected to the emergency stop device 6 provided at the lower part of the platform 4 is wound around the governor wheel to rotate the governor wheel, When the speed rises abnormally, the pendulum of the governor wheel is opened outward by the centrifugal force, and the overspeed switch is operated to shut off the power supply to the motor 8 for driving the traction machine 7 and to operate the brake of the traction machine 7 Thereby stopping the platform 4.

On the other hand, if the brake of the hoisting machine 7 breaks or the main rope 2 breaks, the pedestal 4 can not be stopped. In this case, however, the pendulum provided on one side of the governor wheel is further widened to pull the rope- The rope catcher of the apparatus is brought into close contact with the governor rope and the governor rope is stopped so that the emergency stop device 6 provided at the lower portion of the platform 4 is operated to enable emergency stop.

Utility model room 1993-0006333 "Governor for Elevator"

SUMMARY OF THE INVENTION An object of the present invention is to provide a governor for an elevator capable of braking a governor rope and braking more effectively when an elevator rises due to a malfunction of a machine as well as a sudden elevator drop in an emergency.

In order to achieve the above object,

A support frame formed on a bottom of the base frame and formed with a plurality of through holes spaced apart from each other through which the governor rope penetrates; a fixing member provided on a bottom surface of the support frame, A governor pulley rotatably installed on the base frame by the flow of the governor rope and a pair of fly weights connected to each other by a link on the front surface of the governor pulley, An elevator governor provided with a braking device for braking an emergency,

The braking device is provided between the support frame and the fixed frame, and is provided at a position corresponding to the governor rope, thereby braking the governor rope.

The braking device is characterized by comprising a first braking portion for braking and pressurizing the governor rope when the elevator is abruptly lowered, and a second braking portion for braking the governor rope when the elevator suddenly rises.

Each of the braking portions includes a pair of braking members having a toothed pressing portion formed on an inner surface of the inner surface to brak down the governor rope and braking the governor rope and having a guide space formed on the outer surface thereof, And a solenoid valve that is guided and installed in the valve body.

Further, the tooth shape of the pressing portion is characterized in that each tooth portion is formed in a downward direction.

As described above, according to the present invention, a pair of braking members, each of which has a serrated pressing portion, are momentarily pressed against the governor rope by the action of the solenoid valve, and then the pair of braking members are inserted into the through- The braking device capable of firmly fixing the governor rope is provided so that when the elevator rises not only in a sudden elevator drop but also due to a malfunction of the machine, it is possible to stop the elevator bar by braking the governor rope more quickly .

1 is a structural view showing an overall elevator operation structure.
2 is a cross-sectional view illustrating a governor for an elevator according to the present invention.
3 is a perspective view showing a coupling structure of each of the braking portions according to the present invention.
4 is a cross-sectional view showing an operating process 1 of the governor according to the present invention.
5 is a cross-sectional view showing an operation process 2 of the governor according to the present invention.

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

A support frame 20 formed at the bottom of the base frame 10 and having a plurality of through holes 21 through which the governor ropes 71 and 72 pass, A stationary frame 30 provided on the bottom surface of the support frame 20 and having a through hole 31 corresponding to the through hole 21 of the support frame 20; And a pair of ply weights 50 connected to the front surface of the governor pulley 40 by the link 73 correspond to each other in correspondence with each other And a braking device (60) for braking an emergency of the governor ropes (71, 72), the elevator governor comprising:

The braking device 60 is provided between the support frame 20 and the fixed frame 30 and is disposed at a position corresponding to the governor ropes 71 and 72 so that the governor ropes 71 and 72 And braking.

Hereinafter, the components and operation of the present invention will be described in detail as follows.

The present invention largely comprises a base frame 10, a support frame 20, a fixed frame 30, a governor pulley 40, a pair of fly weights 50 and a braking device 60.

As shown in Figs. 2 to 3,

The base frame 10 is a body of the governor and may have various shapes and functions to support and protect various components installed in the base frame 10. [

The support frame 20 is fixed to the bottom surface of the base frame 10 and two through holes 21 are formed so that the governor ropes 71 and 72 can pass therethrough. The pair of braking members 63 are formed in such a manner that the pair of braking members 63 are engaged after momentary braking of the governor ropes 71 and 72, Is formed in such a shape that the diameter becomes larger toward the lower part.

The fixing frame 30 is fixed to the bottom surface of the supporting frame 20. The through hole 31 is formed at a position corresponding to the through hole 21 of the supporting frame 20, (62) are respectively installed.

The governor pulley 40 includes a central portion rotatably installed on the base frame 10 and fixed in a state in which the center shaft passes through the central portion while being rotatable in the central portion thereof and the governor ropes 71 and 72 And a rib portion radially formed from the central portion to connect the central portion and the pulley portion to each other.

The pair of fly weights 50 function in a manner corresponding to the governor pulley 40 in a state of being rotatably installed on the front surface of the rib portion constituting the governor pulley 40, Respectively.

The braking device 60 is installed between the support frame 20 and the fixed frame 30 so as to be symmetrically symmetrical to each other. The braking device 60 includes a first braking portion 61 for pressing and braking the governor rope 72 when the elevator is abruptly lowered And a second braking portion 62 for pressing and braking the governor rope 71 when the elevator suddenly rises.

Each of the braking portions 61 and 62 is formed as a lower portion at the upper center of the inner surface so that a toothed pressing portion 63a is formed for pressing and braking the governor ropes 71 and 72, A pair of braking members 63 provided with guide space portions 63b are provided in the braking members 63. To brake the governor ropes 71 and 72 by pressing the pair of braking members 63 against each other, And a solenoid valve 64 having a fixing portion formed at an end thereof to be guided and coupled to the guide space portion 63b of the braking member 63. [

The teeth of the pressing portion 63a are formed in a downward direction so that when the governor ropes 71 and 72 function to mutually correspond to the governor pulley 40 and move to the upper and lower portions, The advantage that the braking member 63 can be braked and brought into immediate contact with the governor ropes 71 and 72 and the action of tightly engaging with the governor ropes 71 and 72 are generated and the governor rope is braked more stably It provides an advantage that can be done.

The operation of the governor for an elevator configured as described above will now be described.

As shown in Fig. 4,

First, when the elevator is normally raised and lowered, the brakes of the elevator are broken, or the main rope is broken and the elevator is suddenly lowered beyond the normal speed,

Each of the flywheats 50 provided on the governor pulley 40 is rotated by its centrifugal force to actuate the switches and simultaneously the solenoid valves 64 A pair of braking members 63 provided on the rod ends of the respective solenoid valves 64 act correspondingly to each other and the respective pressing portions 63a formed on the pair of braking members 63 ) Are brought into close contact with the momentary governor ropes (71) and (72) to cause instantaneous braking.

After such action,

The fixed portion 64a formed at the rod end of each solenoid valve 64 is moved downward to the upper portion of the guide space 63b formed in the pair of braking members 63 and the pair of braking members 63 are guided from the lower part to the upper part by the through holes 21 of the support frame 20 formed in the shape of increasing the diameter toward the lower part and the action of completely inserting the pair of braking members 63 into the through holes 21 Since the pressing portion 63a of the pair of braking members 63 brakes the governor rope 72 in close contact with each other and the teeth of the pressing portion 63a are formed in the downward direction, The pressing portions 63a are firmly fixed to the outer circumferential surface and are fixed to each other, so that the movement of the governor rope 72 is completely fixed, whereby the platform is stopped.

On the other hand, if the elevator is raised and lowered finely, and the elevator suddenly rises beyond the normal speed,

The respective flywheel 50 provided in the governor pulley 40 is rotated by its centrifugal force to actuate the switch so that the respective solenoid valves 64 A pair of braking members 63 provided on the rod ends of the respective solenoid valves 64 act correspondingly to each other so that the respective pressing portions 63a formed on the pair of braking members 63 are engaged with each other, Momentary braking of the governor rope 71 (72).

After such action,

The fixed portion 64a formed at the rod end of each solenoid valve 64 is moved downward to the upper portion of the guide space 63b formed in the pair of braking members 63 and the pair of braking members 63 are guided from the lower part to the upper part by the through holes 21 of the support frame 20 formed in the shape of increasing the diameter toward the lower part and the action of completely inserting the pair of braking members 63 into the through holes 21 Since the pushing portions 63a of the pair of braking members 63 are braked by tightly pressing the governor rope 71 and the teeth of the pushing portions 63a are formed in the downward direction, 71 of the governor ropes 71 and 72 are fixed firmly after the respective pressing portions 63a are tightly adhered to the outer circumferential surfaces thereof, so that the movement of the governor ropes 71 and 72 is completely fixed, whereby the platform is stopped.

That is, the present invention includes the braking device 60 including the first braking section 61 and the second braking section 62, and when the elevator is suddenly raised and lowered, the braking devices 60, The pair of braking members 63 are tightly pressed against the governor ropes 71 and 72 by the action of the solenoid valve 64 so that the governor ropes 71 and 72 are actuated, The braking members 71 and 72 are momentarily braked and a pair of braking members 63 and 64 are provided in the through holes 21 and 31 of the support frame 20, By the action of the member 63 being inserted, once the governor ropes 71 and 72 are completely fixed, the platform can be more effectively fixed according to its easy structure and operation.

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.

10: Base frame
20: Support frame
21, 31: Through hole
30: Fixed frame
40: Governor pulley
50: fly weight
60: Braking device
61, 62: a first braking section, a second braking section
63: a pair of braking members
63a:
63b:
64: Solenoid valve
71,72: Governor rope

Claims (4)

A base frame 10,
A support frame 20 formed at the bottom of the base frame 10 and formed with a plurality of through holes 21 through which the governor ropes 71 and 72 pass, A fixed frame 30 provided with a through hole 31 corresponding to the through hole 21 of the support frame 20 and a fixed frame 30 connected to the base frame 10 by rotation of the governor ropes 71, And a pair of ply weights 50 connected to each other by a link 73 on the front surface of the governor pulley 40 are provided corresponding to each other and the governor rope 71 And a braking device (60) for braking an emergency of the elevator (72)
The braking device 60 is provided between the support frame 20 and the fixed frame 30 and is disposed at a position corresponding to the governor ropes 71 and 72 so that the governor ropes 71 and 72 Wherein the braking device is a braking device. The method according to claim 1,
The braking device 60 includes a first braking section 61 for pressing and braking the governor rope 72 when the elevator is abruptly lowered and a second braking section 61 for braking the governor rope 71 And a braking section (62). 3. The method of claim 2,
Each of the braking portions 61 and 62 is formed with a toothed pressing portion 63a for pressurizing and braking the governor ropes 71 and 72 at the center of the inner surface thereof and has a guide space portion 63b formed on the outer surface thereof, And a solenoid valve (64) guided in a guide space (63b) of the pair of braking members (63). The elevator governor according to claim 1, wherein the braking member (63) The method of claim 3,
And the tooth shape of the pressing portion (63a) is formed in a downward direction.
KR1020150106432A 2015-07-28 2015-07-28 Governor for elevator KR101754298B1 (en)

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KR1020150106432A KR101754298B1 (en) 2015-07-28 2015-07-28 Governor for elevator

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KR1020150106432A KR101754298B1 (en) 2015-07-28 2015-07-28 Governor for elevator

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KR20170013586A true KR20170013586A (en) 2017-02-07
KR101754298B1 KR101754298B1 (en) 2017-07-19

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930006333A (en) 1991-09-09 1993-04-21 강진구 Scroll compressor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200229566Y1 (en) * 2000-12-27 2001-07-19 현대엘리베이터주식회사 Governor of a lift

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930006333A (en) 1991-09-09 1993-04-21 강진구 Scroll compressor

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KR101754298B1 (en) 2017-07-19

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