CN1747887A

CN1747887A - Elevator

Info

Publication number: CN1747887A
Application number: CN200480003824.9A
Authority: CN
Inventors: 小寺秀明; 冈本健一; 木川弘
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2004-02-16
Filing date: 2004-02-16
Publication date: 2006-03-15
Anticipated expiration: 2024-02-16
Also published as: JPWO2005077805A1; JP4397896B2; EP1717184A1; WO2005077805A1; CN100333989C; EP1717184A4; EP1717184B1

Abstract

An elevator comprises a cage and a counterweight that are lifted and lowered in an elevator shaft by a drive device. A pair of cage guide rails for guiding lifting/lowering of the cage is installed in the elevator shaft. The cage guide rails are arranged such that a straight line connecting the guide rails obliquely intersects the lateral center line of the cage in the vertical projection plane. With reference to the depth direction of the cage, the counterweight is disposed in a space behind the cage guide rail located on the front side.

Description

Lift appliance

Technical field

The present invention relates to a kind of guide rail of car lifting that will guide and be arranged at the interior lift appliance of hoistway.

Background technology

For example, open in 7-10434 number in the disclosed existing lift appliance the Japanese patent gazette spy, a pair of car guide rail is near the center of the depth direction of car, and with respect to the line of centers balanced configuration of car width direction.And, to being disposed at the rear of a guide rail on the depth direction that focuses on car.Therefore, the width dimensions of counterweight is restricted, and must increase the gauge of counterweight, and it is big that the planar dimension of hoistway becomes.

Summary of the invention

The present invention proposes in order to solve above-mentioned problem, and its purpose is to provide a kind of lift appliance that can realize saving the space of hoistway.

Lift appliance of the present invention comprises: have the actuating device that drives rope sheave; Car and counterweight by actuating device lifting in hoistway; The main rope of suspension craning cab and counterweight, it is wound on and drives on the rope sheave; The a pair of car guide rail of guiding car lifting, it is arranged in the hoistway; Car guide rail is configured to: in vertical plane, the straight line between the connection car guide rail and the line of centers of car width direction tilt to intersect.

Description of drawings

Fig. 1 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 1,

Fig. 2 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 2,

Fig. 3 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 3,

Fig. 4 is the left view of the lift appliance of Fig. 3,

Fig. 5 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 4.

The specific embodiment

Below, with reference to accompanying drawing preferred implementation of the present invention is described.

Embodiment 1

Fig. 1 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 1.In the drawings, in hoistway 1, dispose car 2 and counterweight 3.The cage 5 that car 2 has car frame 4 and supported by car frame 4.

Car frame 4 has: the underframe (not shown) that is arranged at the bottom of cage 5; Horizontal arrangement is in the upper beam 4a of cage 5 tops; 1st and 2nd column 4b, the 4c of arranged perpendicular between underframe and upper beam 4a.

Cage 5 has: the front face 5a that is provided with the car gangway; The 5b of back side portion with front face 5a arranged opposite; A pair of side surface part 5c, 5d.Counterweight 3 is configured in the side of car 2, and when counterweight and car 2 are positioned at equal height and side surface part 5d opposed.

In addition, the 1st column 4b is configured to: in the centre of the fore-and-aft direction of car 2 by rear side and side surface part 5c opposed (or joint).The 2nd column 4c is configured to: in the forward side in centre and side surface part 5d opposed (or joint) of the fore-and-aft direction of car 2.That is, column 4b, 4c roughly are diagonal configuration.Thus, the upper beam 4a that connects between column 4b, the 4c is configured to: the line of centers C with car 2 Widths in vertical plane tilts to intersect.

Top in hoistway 1 disposes actuating device (not shown).Be wound with many main ropes (not shown) on the driving rope sheave of actuating device.Main rope has: with upper beam 4a bonded assembly cage side end and with the upper end bonded assembly counterweight side end of counterweight 3.Car 2 and counterweight 3 are suspended in the hoistway 1 with 1: 1 baudrier by main rope, and according to the propulsive effort of actuating device and lifting.

In hoistway 1, be provided with: a pair of counterweight guide rail 7a, the 7b of a pair of car guide rail 6a, the 6b of guiding car 2 liftings and 3 liftings of guiding

counterweight.Guide rail

6a, 6b, 7a, 7b are fixed in well enclosure by a plurality of supports 8.

Car guide rail

6a, 6b are configured to: in vertical plane, the straight line between connection car 6a, the 6b and the line of centers C (perhaps car gangway line of centers) of car 2 Widths tilt to intersect.That is,

car guide rail

6a, 6b roughly are diagonal configuration in hoistway 1.In addition,

car guide rail

6a, 6b are opposed with column 4b, 4c respectively.

And it is parallel with the Width of car 2 that

car guide rail

6a, 6b are configured to the line of centers of horizontal section.Therefore, the line of centers of the horizontal section of the line of centers of the horizontal section of car guide rail 6a and car guide rail 6b is parallel to each other.

The a plurality of cars that engage with

car guide rail

6a, 6b are installed on the car frame 4 lead boots 9.Car is led the upper and lower end parts that boots 9 are arranged on car 2 both sides, adds up to 4.

Counterweight guide rail 7a, 7b are configured to: in vertical plane, the straight line that connects between counterweight guide rail 7a, the 7b is parallel with the line of centers C of car 2 Widths.And counterweight 3 is disposed in the rear space of car guide rail 6b, and car guide rail 6b is positioned at the front side on the depth direction of car 2.

The a plurality of counterweights that engage with counterweight guide rail 7a, 7b are installed on the counterweight 3 lead boots 10.Counterweight is led the upper and lower end parts that boots 10 are arranged on counterweight 3 Width both ends, adds up to 4.Lead boots 9 and counterweight is led boots 10 as car, for example use sliding guide shoe or rolling to lead boots.

In this lift appliance, because

car guide rail

6a, 6b are configured to like this, that is: in vertical plane, the straight line between connection car guide rail 6a, the 6b and the line of centers C of car 2 Widths tilt to intersect, and it is hereby ensured that the space at car guide rail 6b rear is bigger.Therefore, by counterweight 3 being configured in the rear space of car guide rail 6b, can increase counterweight 3 width dimensions, dwindle its gauge.Thus, can dwindle the planar dimension of hoistway 1, realize saving the space.

Embodiment 2

Below, Fig. 2 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 2.In the drawings, car 2 has car frame 11 and cage 5.Car frame 11 has: the underframe (not shown) of being located at the bottom of cage 5; Horizontal arrangement is in the upper frame 11a of the roughly I of cage 5 tops font; 4 root posts (not shown) of arranged perpendicular between underframe and upper frame 11a.Upper frame 11a and column are with respect to the line of centers C left-right symmetric configuration of car 2 Widths.Other structure is identical with embodiment 1.

Like this, have the symmetrical car frame 11 of 4 root posts, can easily car be led boots 9 and be installed on the car frame 11 by use.

Embodiment 3

Below, Fig. 3 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 3, Fig. 4 is the left view of the lift appliance of Fig. 3.In the drawings, the bottom of car 2 is equipped with a pair of car hanging wheel 12a, 12b.The top of counterweight 3 is equipped with counterweight hanging wheel 13.

At least one top in

guide rail

6a, 6b, 7a, 7b is fixed with supporting station 14 (omitting diagram in Fig. 3).The actuating device 15 that makes car 2 and counterweight 3 liftings is arranged at supporting station 14 upper supports.This actuating device 15 has: comprise the actuating device main body 16 of electrical motor and drg, and the driving rope sheave 17 that passes through 16 rotations of actuating device main body.

In addition, actuating device 15 is whole axial dimension thin type towing machines less than the outside dimension of actuating device main body 16 or driving rope sheave 17.And, actuating device 15 is configured to make the S. A. level that drives rope sheave 17.In addition, actuating device 15 is configured in the top (top) in the hoistway 1, and car 2 is overlapped with counterweight 3 in vertical plane.

Car 2 and counterweight 3 are suspended in the hoistway 1 with 2: 1 baudrier by many (only illustrating 1 in the drawings) main ropes 18.Main rope 18 has cage side end 18a and counterweight side end 18b.Cage side end 18a is connected with supporting station 14 by rope ends connecting device 19a, 19b with counterweight side end 18b.

Main rope 18 begins to be wound in turn car hanging wheel 12b, cage side hanging wheel 12a, drives on rope sheave 17 and the counterweight hanging wheel 13 from cage side end 18a.

Main rope 18, crossing with the line of centers C inclination of car 2 Widths in vertical plane by the part of car 2 belows, and, with the straight line devices spaced apart configuration that is connected between car guide rail 6a, the 6b.Here, parts main rope 18, by car 2 belows in vertical plane with the straight line parallel that is connected between car guide rail 6a, the 6b.

In addition, be provided with the device that abends (not shown) with the opposed part of

car guide rail

6a, 6b at least in car 2 bottoms.Car hanging wheel 12a, 12b are configured to depart from the straight line that connects between car guide rail 6a, the 6b, to avoid in the main rope 18 and the interference of device that abend in car 2 bottoms.

In addition, be provided with the guide rail support platform 19 of

support rails

6a, 6b, 7a, 7b in the bottom of hoistway 1.In addition, on guide rail support platform 19, be fixed with car buffer (not shown) and counterweight buffer 20.Other structure is identical with embodiment 1.

Like this, even also can use the present invention, thereby can dwindle the planar dimension of hoistway 1 with the lift appliance of 2: 1 baudriers.

In addition, because the part of the below of passing through car 2 of main rope 18 disposes with the straight line devices spaced apart that is connected between car guide rail 6a, the 6b in vertical plane, therefore need not main rope 18 is configured in the position that is lower than the device that abends, just can easily avoid the main rope 18 and the interference of device that abend, thereby can prevent the increase of the size up and down of car 2 in the bottom of car 2.Therefore, the well depth size of hoistway 1 can be dwindled, the space of hoistway 1 can be realized saving thus.

In addition, can be so that be positioned at the designs simplification of abend framework and hanging wheel framework of the bottom of car 2.

In addition, counterweight 3 can be disposed at the front space of car guide rail 6a, and this car guide rail 6a is positioned at rear side on the depth direction of car 2.

Embodiment 4

Below, Fig. 5 is the birds-eye view of main portion of the lift appliance of expression embodiment of the present invention 4.In this embodiment, counterweight 3 is configured in the rear of car 2, and when itself and car 2 are positioned at sustained height and the 5b of back side portion opposed.Car 2 is sling near center-of-gravity position or its.Promptly be configured to: in vertical plane, the part of below main rope 18, by car 2 by car center of gravity or its near.Therefore, the part of below main rope 18, by car 2 tilts to intersect with the line of centers C of the Width of car 2 in vertical plane.

Relative therewith,

car guide rail

6a, 6b are configured to: in vertical plane, the line of centers C of the straight line between connection car guide rail 6a, the 6b and the Width of car 2 tilts to intersect.And

car guide rail

6a, 6b are configured to: in vertical plane, the straight line between connection car guide rail 6a, the 6b and the part of passing through car 2 belows of main rope 18 are separated with at interval.Here, the part of passing through car 2 belows of main rope 18 in vertical plane with the straight line parallel that is connected between car guide rail 6a, the 6b.Other structure is identical with embodiment 2.

In this lift appliance, can easily avoid the main rope 18 and the interference of device that abend in the bottom of car 2, can also prevent the increase of the size up and down of car 2.Therefore, the well depth size of hoistway 1 can be dwindled, the space of hoistway 1 can be realized saving thus.

In addition, can be so that be positioned at the designs simplification of the abend framework and the hanging wheel framework of car 2 bottoms.

In addition, in above-mentioned example, by the loading of guide rail support actuating device, but also can be by the supportings such as building girder that are fixed on well headroom.

In addition, in above-mentioned example, actuating device is configured to make the S. A. level that drives rope sheave, but also actuating device can be configured to make the vertical or approximate vertical of the S. A. that drives rope sheave.

And, in above-mentioned example, show the thin type towing machine, but also can be the towing machine of single-piece axial dimension greater than the outside dimension of actuating device main body or driving rope sheave as actuating device.

In addition, in above-mentioned example, car has been installed on car frame has been led boots, but also can support by supporting arm, perhaps be directly installed on the outside face of cage from car frame.

In addition, in above-mentioned example, the line of centers of the horizontal section of

car guide rail

6a, 6b is parallel with the Width of car 2, but the Width that also guide rail can be configured to relative car 2 tilts, so that the line of centers of the horizontal section of car guide rail and same straight line are overlapping.That is, car guide rail can be diagonal configuration, and opposed mutually.

Claims

1. lift appliance comprises:

Has the actuating device that drives rope sheave;

Car and counterweight by the lifting in hoistway of above-mentioned actuating device;

Suspend the main rope of above-mentioned car and above-mentioned counterweight in midair, it is wound on the above-mentioned driving rope sheave;

Guide a pair of car guide rail of above-mentioned car lifting, it is arranged in the above-mentioned hoistway,

Above-mentioned car guide rail is configured to: in vertical plane, the line of centers that connects the Width of straight line between the above-mentioned car guide rail and above-mentioned car tilts to intersect.

2. lift appliance according to claim 1 is characterized in that, above-mentioned counterweight is disposed in the rear space of car guide rail, and this car guide rail is positioned at the front side on the depth direction of above-mentioned car.

3. lift appliance according to claim 1 is characterized in that,

Also have a plurality of car hanging wheels that are wound with above-mentioned main rope, it is located at the bottom of above-mentioned car,

Part above-mentioned main rope, by above-mentioned car below tilts to intersect with the line of centers of the Width of above-mentioned car in vertical plane,

Above-mentioned car guide rail is configured to: in vertical plane, connect part straight line between the above-mentioned car guide rail and above-mentioned main rope, by above-mentioned car below and be separated with at interval.

4. lift appliance according to claim 3 is characterized in that, part above-mentioned main rope, by above-mentioned car below in vertical plane with the straight line parallel that is connected between the above-mentioned car guide rail.