CN1723167A

CN1723167A - Elevator

Info

Publication number: CN1723167A
Application number: CN200480001701.1A
Authority: CN
Inventors: 光井厚; 池田史郎
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2004-01-30
Filing date: 2004-01-30
Publication date: 2006-01-18
Anticipated expiration: 2024-01-30
Also published as: CN100522782C; JPWO2005073120A1; WO2005073120A1; EP1710191B1; EP1710191A1; EP1710191A4

Abstract

An elevator system in which shaft devices requiring maintenance/inspection work are disposed at an upper part in the elevator shaft. At the upper part in the elevator shaft, an access platform serving as a scaffold for performing maintenance/inspection work of the shaft devices is disposed. The access platform is disposed to avoid interference with the car when the car moves to the top movement position in the shaft and to overlap with the car in the vertical projection plane.

Description

Lift appliance

Technical field

The present invention relates to a kind of lift appliance, this lift appliance is configured in the hoistway internal upper part with the hoistway equipment that needs carry out the maintenance examination operation.

Background technology

For example, open in the 2000-238971 communique in the disclosed existing lift appliance, be provided with actuating device in the machine room in being arranged at hoistway the Japanese Patent spy.Machine room be arranged on counterweight in the hoistway directly over.In addition, it is contour that the ground of machine room is set to the superiors stop ground that can stop with car.

In this lift appliance,, must suppress the vertical dimension of counterweight as far as possible little because the range of counterweight is subjected to the machine room restriction.Its result causes the horizontal sectional area of counterweight to increase, thereby must increase the horizontal sectional area of hoistway.

In addition, for the actuating device that is configured in the hoistway, the method for carrying out the maintenance examination operation from the top of car can be arranged, still, in this case, working space is restricted, and existence can not be carried out the problem of maintenance examination from suitable position to actuating device.

Summary of the invention

The present invention proposes in order to address the above problem, and its purpose is, a kind of lift appliance is provided, and it can realize the saving spatialization of hoistway, and can improve the operating efficiency of maintenance examination operation.

Lift appliance of the present invention has: the hoistway equipment that is disposed at the hoistway internal upper part; The car of lifting in hoistway; With the operation post that is configured in the hoistway internal upper part, operation post is configured to: during shift position, the top in car moves to hoistway, can avoid the interference with car, and overlapping with car in vertical plane.

Description of drawings

Fig. 1 is the lateral plan of the lift appliance of expression embodiment of the present invention 1.

Fig. 2 is the section-drawing along the II-II line of Fig. 1.

Fig. 3 is the lateral plan of the lift appliance of expression embodiment of the present invention 2.

Fig. 4 is the section-drawing along the IV-IV line of Fig. 3.

Fig. 5 is the horizontal sectional drawing of the lift appliance of embodiment of the present invention 3.

The specific embodiment

Below, with reference to accompanying drawing embodiments of the present invention are described.

(embodiment 1)

Fig. 1 is the lateral plan of the lift appliance (machine-roomless lift) of expression embodiment of the present invention 1, and Fig. 2 is the section-drawing along the II-II line of Fig. 1.

Among the figure, in hoistway 1, be provided with a pair of car guide rail 2 and a pair of counterweight guide rail 3 (in Fig. 1, omitting).Car 4 is by car guide rail 2 guiding liftings in hoistway 1.Counterweight 5 is by the 3 guiding liftings in hoistway 1 of counterweight guide rail.

Counterweight 5 is configured in the rear of car 4 on the depth direction of hoistway 1.The bottom of hoistway 1 is provided with the cage side energy disperser (not shown) that bears car 4, and the counterweight side buffer 6 that bears counterweight 5.

At hoistway 1 internal upper part (top), be fixed with a pair of support beam 7.Width (the frontal width direction of the landing doorway 8) configured in parallel of support beam 7 and car 4.Put on the shelf at support beam 7 and to be provided with support 9.

On support 9, be provided with as the actuating device (towing machine) 10 that makes the hoistway equipment of car 4 and counterweight 5 liftings.Actuating device 10 has the actuating device main body 11 that comprises electrical motor and drg, and by the traction sheave 12 of actuating device main body 11 driven in rotation.This S. A. is supported at both ends at the S. A. of traction sheave 12.In addition, the S. A. of traction sheave 12 is parallel with the Width of car 4, and along continuous straight runs extends.

In addition, actuating device 10 is configured in vertical plane overlapping with car 4.That is, actuating device 10 be configured in car 4 directly over.

On support 9, be supported with the deflector sheave that rotates freely 13 as hoistway equipment.The rotating shaft parallel of the S. A. of deflector sheave 13 and traction sheave 12.

Be wound with many main ropes 14 on traction sheave 12 and the deflector sheave 13.Main rope 14 have with upper beam 4a bonded assembly the 1st end 14a of car 4 and with top bonded assembly the 2nd end 14b of counterweight 5.Car 4 and counterweight 5 are suspended in the hoistway 1 by the baudrier of main rope 14 with 1: 1.

At hoistway 1 internal upper part (top), be provided with operation post 15, be used for when actuating device 10 is carried out the maintenance examination operation station and take advantage of the operating personnel.This operation post 15 is configured to: during shift position, the top in car 4 moves to hoistway 1, can avoid the interference with car 4, and overlap with car 4 in vertical plane.

That is, operation post 15 is configured in as upper/lower positions: even collide at counterweight 5 and counterweight side buffer 6, when car 4 upwards rebounds, also can not collide with the upper ledge 4a of car 4 or the equipment (door gear etc.) on the car 4.Specifically, operation post 15 is configured in a bight of the rear side on hoistway 1 fore-and-aft direction.

In addition, operation post 15 has: be fixed on a pair of fixed beam 16 between a pair of support beam; Be fixed on the ground board 17 on the fixed beam 16; Be fixed on the guardrail 18 on the ground board 17.The depth direction configured in parallel of fixed beam 16 and car 4.Ground board 17 is provided with fire escape 17a and opens and closes the lid 19 of fire escape 17a.In addition, ground board 17 is provided with to detect and covers the 19 lid detector switch 19a that whether open.

The operation of actuating device 10 is by control setup (control panel) 20 controls.Control setup 20 can be configured in hoistway 1 internal upper part or bottom.Signal from lid detector switch 19a is input to control setup 20.Control setup 20 does not allow car 4 to move when lid 19 is opened.

In this lift appliance, make car 4 move to hoistway 1 internal upper part, the operating personnel can move on the operation post 15 from car 4, and actuating device 10 and deflector sheave 13 are implemented the maintenance examination operation.In addition, because the configuration of operation post 15 has been avoided and car 4 and counterweight 5 interferences, the vertical dimension of counterweight 5 is not subjected to the restriction of operation post 15, can prevent to increase because of counterweight 5 causes the horizontal sectional area of hoistway 1.That is, can realize the saving spatialization of hoistway 1.

And, owing in vertical plane, ground board 17 can be expanded to outside the zone of car 4, therefore compare with the situation of on car 4, carrying out the maintenance examination operation, can guarantee bigger working space, can improve the operating efficiency of maintenance examination operation.

In addition, under the situation that car 4 is moved, the operating personnel can move to car 4 tops from fire escape 17a, moves to car 4 in from the escape outlet of the ceiling of being located at car 4, perhaps moves to above the car of adjacent elevator.

In addition, on ground board 17, be provided with and cover detector switch 19a, when lid 19 is opened,, therefore can prevent from more reliably to move at operating personnel's car 4 from the process of fire escape 17a turnover owing to do not allow car 4 to move.

(embodiment 2)

Next, Fig. 3 is the lateral plan of the lift appliance of expression embodiment of the present invention 2, and Fig. 4 is the section-drawing along the IV-IV line of Fig. 3.In embodiment 1, actuating device 10 is installed, and in embodiment 2, actuating device 10 is fixed on the bottom of support 9 on support 9.

In addition, on support 9, be equipped with as the cage side Returning wheel 21 of hoistway equipment with to heavy side Returning wheel 22, these two Returning wheels 21,22 make direction counter-rotating and guiding car 4 and the counterweight 5 from the main rope 14 of traction sheave 12 extensions.Therefore, act on towards the top to the loading of traction sheave 12 from main rope 14.

Operation post 15 is suspended from support beam 7.That is, ground board 17 is positioned at the below of the fixed beam of asking 16 that is erected at support beam 7.Other structure is identical with embodiment 1.Therefore, operation post 15 is configured to: during shift position, the top in car 4 moves to hoistway 1, can avoid the interference with car 4, and overlap with car 4 in vertical plane.

According to this structure, even under actuating device 10 and the bigger situation of the occupied area of the ceiling area of Returning wheel 21,22 relative cars 4, also can easily move on the operation post 15 from car 4.

(embodiment 3)

Next, Fig. 5 is the horizontal sectional view of the lift appliance of embodiment of the present invention 3.In the drawings, operation post 15 is provided with the gangway door 23 that can open and close, and opens at this gangway door 23 when operation post 15 moves.Gangway door 23 plays the effect as the part of guardrail 18 under closing state.

In addition, on gangway door 23, be provided with and detect the door detector switch 24 whether entrance door 23 is opened.To be sent to control setup 20 (with reference to Fig. 1) from the signal of door detector switch 24.Control setup 20 does not allow car 4 to move when gangway door 23 is opened.Other structure is identical with embodiment 1.

According to this structure, when opening gangway door 23 discrepancy operation posts 15, car 4 does not move, and can stablize the discrepancy operation post.

In addition, in above-mentioned example, show actuating device 10, deflector sheave 13 and Returning wheel 21,22, but hoistway equipment is not limited thereto as hoistway equipment.For example, even be configured at actuating device under the situation of hoistway bottom, in that hoistway equipments such as control panel, velocity limiter or Returning wheel are configured in the hoistway internal upper part, in the time of need carrying out the maintenance examination operation of hoistway equipment, also the operation post of this invention can be arranged in the hoistway.

In addition, the lift appliance of 1: 1 baudrier has been shown in the above-mentioned example, but the present invention also goes for the lift appliance of other baudriers such as 2: 1 baudriers.

In addition, though be provided with an operation post 15 in the above-mentioned example, also a plurality of operation posts can be set in hoistway.

And, situation about moving to operation post 15 from car 4 being shown in above-mentioned example, also can move to operation post by special-purpose gangway from stop, perhaps when maintenance examination, between landing doorway and operation post, set up cripple.

In addition, though in above-mentioned example, actuating device 10 is configured to make the S. A. level of traction sheave 12, also actuating device can be configured to make traction sheave 12 vertical or approximate vertical.In addition, preferably actuating device is configured to make the high positions of maintenance examination operation essentiality such as drg to be positioned at the operation post side.In other words, preferably operation post is configured near the big position of maintenance examination working out.

Claims

1. lift appliance has:

Be disposed at the hoistway equipment of hoistway internal upper part;

The car of lifting in above-mentioned hoistway; With

Be disposed at the operation post of above-mentioned hoistway internal upper part,

Above-mentioned operation post is configured to: during shift position, the top in above-mentioned car moves to above-mentioned hoistway, can avoid the interference with above-mentioned car, and overlapping with above-mentioned car in vertical plane.

2. lift appliance according to claim 1 is characterized in that, above-mentioned hoistway equipment is the actuating device that makes above-mentioned car lifting.

3. lift appliance according to claim 1 is characterized in that, above-mentioned operation post is configured in vertical plane overlapping with above-mentioned cab portion.

4. lift appliance according to claim 1 is characterized in that, above-mentioned operation post has the ground board that is provided with the fire escape and can open the lid of closing above-mentioned fire escape.

5. lift appliance according to claim 4 is characterized in that also having: detect the lid detector switch whether above-mentioned lid is opened; And control setup, its basis when above-mentioned control setup is opened at above-mentioned lid, does not allow above-mentioned car to move from the running of the above-mentioned actuating device of signal control of above-mentioned lid detector switch.

6. lift appliance according to claim 1 is characterized in that above-mentioned operation post has the gangway door, opens at this gangway door when above-mentioned operation post moves.

7. lift appliance according to claim 6 is characterized in that, also has to detect the door detector switch whether above-mentioned gangway door is opened; And control setup, its basis when above-mentioned control setup is opened at above-mentioned gangway door, does not allow above-mentioned car to move from the running of the above-mentioned actuating device of signal control of above-mentioned door detector switch.