CN1723169A

CN1723169A - Elevator

Info

Publication number: CN1723169A
Application number: CNA2003801033267A
Authority: CN
Inventors: 本田武信
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2003-12-11
Filing date: 2003-12-11
Publication date: 2006-01-18
Anticipated expiration: 2023-12-11
Also published as: EP1693330A1; WO2005056457A1; EP1693330A4; JPWO2005056457A1; CN100345742C; EP2551228A1

Abstract

An elevator apparatus wherein a car and first and second balance weights are lifted in a hoistway. A pair of car guide rails guiding the lifting of the car are installed in the hoistway. The car comprises first and second side surface parts opposed to each other. The car guide rails are installed to face the first and second side surface parts. The first and second balance weights are disposed on the front side of the car guide rails in the car depth direction. A first hoist is disposed just above the first balance weight. A second hoist is disposed just above the second balance weight.

Description

Lift appliance

Technical field

The present invention relates to a kind of actuating device that utilizes makes by the car of main rope hanging in hoistway and the traction elevator device of counterweight lifting.

Background technology

For example, in the disclosed lift appliance in the past, two counterweights are configured in the both sides of car in Japanese kokai publication hei 11-310372 communique.These counterweights and car are suspended in the hoistway with 1: 1 baudrier, utilize two driver trains to carry out lifting.

But, in above-mentioned lift appliance in the past,, just can not fully guarantee the visual field at car rear because two counterweights are configured in the rear of car guide rail, so as under the situation of sightseeing elevator, can't see counterweight if will make in car.Therefore, need effectively utilize the configuration efficiently of the counterweight in space in the hoistway more.

Summary of the invention

The present invention is in view of the above problems and proposes, and its purpose is to obtain a kind ofly can effectively utilize space in the hoistway more, dispose the lift appliance of counterweight efficiently.

Lift appliance of the present invention comprises: the car of lifting in hoistway, and it has the opposed the 1st and the 2nd side surface part mutually; The a pair of car guide rail of guiding car lifting, itself and the 1st and the 2nd side surface part are arranged in the hoistway opposed to each other; The 1st counterweight of lifting in hoistway, it disposes opposed to each other with the 1st side surface part in vertical plane, and is configured in the front side of car guide rail at the depth direction of car; The 2nd counterweight of lifting in hoistway, it disposes opposed to each other with the 2nd side surface part in vertical plane, and is configured in the front side of car guide rail at the depth direction of car; Car, the 1st counterweight and the 2nd counterweight are suspended in main rope group in the hoistway; Make the actuating device of car, the 1st counterweight and the 2nd counterweight lifting, it has the traction sheave that is wound with main rope group, and be configured in the 1st and the 2nd counterweight at least any one party directly over.

Description of drawings

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

Fig. 2 is the figure that does not contain actuating device of presentation graphs 1.

Fig. 3 is the right side view of the main portion of presentation graphs 1.

Fig. 4 is the birds-eye view of the lift appliance of expression embodiment of the present invention 2.

Fig. 5 is the lateral plan of the main portion of presentation graphs 4.

Fig. 6 is the front view of actuating device of the lift appliance of expression embodiment of the present invention 3.

Fig. 7 is the birds-eye view of the lift appliance of expression embodiment of the present invention 4.

Fig. 8 is the figure that does not contain actuating device of presentation graphs 7.

Fig. 9 is the front view of the counterweight of presentation graphs 7.

Figure 10 is the section-drawing of main portion of the lift appliance of expression embodiment of the present invention 5.

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 the lift appliance of expression embodiment of the present invention 1, and Fig. 2 is the birds-eye view that does not contain actuating device of presentation graphs 1.

In the drawings, in hoistway 1, be provided with a pair of car guide rail 2, a pair of the 1st counterweight guide rail 3 and a pair of the 2nd counterweight guide rail 4.Car 5 is along car guide rail 2 lifting in hoistway 1.The 1st counterweight 6 is along the 1st counterweight guide rail 3 lifting in hoistway 1.The 2nd counterweight 7 is along the 2nd counterweight guide rail 4 lifting in hoistway 1.

Car guide rail 2 is configured to: in vertical plane, connect the straight line of car guide rail 2 and the frontal width direction of car 5 and extend abreast.The 1st counterweight guide rail 3 is configured to: connect the straight line of the 1st counterweight guide rail 3 and the depth direction of car 5 and extend abreast.The 2nd counterweight guide rail 4 is configured to: connect the straight line of the 2nd counterweight guide rail 4 and the depth direction of car 5 and extend abreast.

Car 5 has: mutual the opposed the 1st and the 2nd

side surface part

5a, 5b; Be provided with the front face 5c of car gangway 5e; With with the opposed back side 5d of portion of front face 5c.Car guide rail 2 is configured in the hoistway 1 opposed to each other with the 1st and the 2nd

side surface part

5a, 5b respectively.Car gangway 5e opens and closes by a pair of car door 5f.

The 1st counterweight 6 is configured at vertical plane and the 1st side surface part 5a opposed.And, the 1st counterweight 6 be configured in the 1st side surface part 5a and and the opposed well enclosure 1a of the 1st side surface part 5a between.

The 2nd counterweight 7 is configured at vertical plane and the 2nd side surface part 5b opposed.And, the 2nd counterweight 7 be configured in the 2nd side surface part 5b and and the opposed well enclosure 1b of the 2nd side surface part 5b between.

In addition, the 1st and the

2nd counterweight

6,7 depth directions at car 5 are configured in the front side of car guide rail 2, and the rear side of the 5c of portion in front.

Top in hoistway 1 is provided with the actuating device 8 that makes car the 5, the 1st and 6,7 liftings of the 2nd counterweight.In actuating device 8, be built-in with electrical motor.In addition, actuating device 8 have be configured in the 1st counterweight 6 directly over the 1st towing machine 9 and be configured in the 2nd counterweight 7 directly over the 2nd towing machine 10.

The the 1st and the

2nd towing machine

9,10 is configured to: overlapping with the 1st and the

2nd counterweight

6,7 in vertical plane, and not overlapping with car 5.The 1st towing machine 9 has electrical motor and the 1st traction sheave 11.The 2nd towing machine 10 has electrical motor and the 2nd traction sheave 12.

Towing machine

9,10 uses the slim towing machine of axial dimension less than electromotor diameter.In addition,

towing machine

9,10 is configured to the S. A. horizontal-extending of

traction sheave

11,12.

Be wound with main rope group 13 on the 1st and the 2nd traction sheave 11,12.Main rope group 13 has: be wound on the 1st main rope 14 on the 1st traction sheave 11; With the 2nd main rope 15 that is wound on the 2nd traction sheave 12.

On the 1st side surface part 5a side end of car 5 bottoms, be provided with the 1st main rope connecting portion 16.On the 2nd side surface part 5b side end of car 5 bottoms, be provided with the 2nd main rope connecting portion 17.

One end of the 1st main rope 14 is connected with the 1st main rope connecting portion 16, and the other end of the 1st main rope 14 is connected with the top of the 1st counterweight 6.One end of the 2nd main rope 15 is connected with the 2nd main rope connecting portion 17, and the other end of the 2nd main rope 15 is connected with the top of the 2nd counterweight 7.

Car 5 and the 1st counterweight 6 are suspended in the hoistway 1 by the baudrier of the 1st main rope 14 with 1: 1.Car 5 and the 2nd counterweight 7 are suspended in the hoistway 1 by the baudrier of the 2nd main rope 15 with 1: 1.

In vertical plane, connect the center of gravity of the straight-line pass car 5 of the 1st main rope 14 point of suspension on car 5 at point of suspension on the car 5 and the 2nd main rope 15.That is, car 5 is suspended at center-of-gravity position in fact.

On the 1st and the 2nd side surface part 5a, the 5b of car 5, be respectively arranged with

inspection socket

18,19 to be opened/closed.The the 1st and the

2nd towing machine

9,10 is configured in car 5 and can carries out on the position of maintenance inspection by

inspection socket

18,19 respectively.That is, the 1st and the

2nd towing machine

9,10 is configured to: during topmost in car 5 moves to hoistway 1, opposed with the 1st and the 2nd side surface part 5a, the 5b of car 5.

Car guide rail 2,

counterweight guide rail

3,4,

counterweight

6,7, the line of centers left and right symmetrically configuration of actuating device 8 and main rope group 13 frontal width direction of relative car 5 in vertical plane.

Fig. 3 is the right side view of the main portion of presentation graphs 1.Top at car guide rail 2 and the 1st counterweight guide rail 3 is fixed with supporting station 20.The 1st towing machine 9 is installed on the supporting station 20.The 2nd towing machine 10 is supported on the same supporting station at the opposition side of car 5.

On the top of the 1st towing machine 9, dispose the control setup (control desk) 21 of accessory drive 8 runnings.In Fig. 1 and Fig. 2, omitted the diagram of control setup 21.The loading of the 1st towing machine 9 and control setup 21 is supported by car guide rail 2 and the 1st counterweight guide rail 3 through supporting station 20.

Control setup 21 is configured in car 5 and can carries out on the position of maintenance inspection by inspection socket 18.That is, control setup 21 is configured to: when car 5 moves to the topmost of hoistway 1, opposed with the 1st side surface part 5a of car 5.

The operation mode of the 1st and the

2nd towing machine

9,10 of control setup 21 comprises: the 1st and the

2nd towing machine

9,10 boths produce the 1st pattern of propulsive effort; And only the 1st towing machine 9 produces the 2nd pattern of propulsive efforts.In the 2nd pattern, remove the braking of the 2nd towing machine 10, make 12 idle running of the 2nd traction sheave.

The operation mode of control setup 21 switches according to the load of car 5.For example, when zero load or fully laden,, be suitable for the 1st pattern because the difference of the loading of car 5 and the 1st and the

2nd counterweight

6,7 is bigger.In addition, when the half load state,, be suitable for the 2nd pattern because the difference of the loading of car 5 and the 1st and the

2nd counterweight

6,7 is less.

In such lift appliance, because counterweight is divided into the 1st and the

2nd counterweight

6,7, and be configured in the narrower space of front side of car guide rail 2, therefore can effectively utilize the space in the hoistway 1 more, dispose

counterweight

6,7 efficiently.In addition, even the 1st and the 2nd

side surface part

5a, 5b at the partially transparent of car guide rail 2 back, also can't see

counterweight

6,7 in car 5, therefore be applied to have the open visual field under the situation of sightseeing elevator.

In addition, actuating device 8 uses two

platform towing machines

9,10, therefore realizes in the

towing machine

9,10 miniaturization of each, can dwindle that the space being set.And, because

towing machine

9,10 uses slim towing machine, therefore the 1st and the

2nd towing machine

9,10 can be configured between the 1st and the 2nd

side surface part

5a, 5b and hoistway 1a, the 1b size that can dwindle the above-below direction of hoistway 1.

In addition, because the 1st and the

2nd towing machine

9,10 can switch running according to the load in the car 5 between the 1st pattern and the 2nd pattern, therefore can economize on electricity.

In addition, because control setup 21 is configured in the top of actuating device 8, so can effectively utilize the space in the hoistway 1, and can carry out the maintenance inspection operation to actuating device 8 and control setup 21 in same place, improved work efficiency.

In addition,, therefore can in car 5, carry out the maintenance inspection operation, improve work efficiency the 1st and the

2nd counterweight

6,7, actuating device 8 and control setup 21 because

inspection socket

18,19 is arranged on the 1st and the 2nd side surface part 5a, the 5b.

In addition, the operation mode of control setup 21 is not limited to the above-mentioned the 1st and the 2nd pattern.

And the 1st and the 2nd

main rope

14,15 radical separately is not particularly limited.

In addition, in embodiment 1, the loading of bearing actuating device 8 and control setup 21 with

guide rail

2,3,4, but also can wait and bear by being fixed on support beam on the building.

In addition, in embodiment 1, use two counterweights, but also can use the counterweight more than three or three.

(embodiment 2)

Next, Fig. 4 is the birds-eye view of the lift appliance of expression embodiment of the present invention 2, and Fig. 5 is the lateral plan of presentation graphs 4 main portions, and Fig. 4 is the figure that represents not contain actuating device.

In the drawings, in hoistway 1, be provided with the 1st and the

2nd guide cords

22,23 of guiding the 1st and the

2nd counterweight

6,7 liftings.The the 1st and the

2nd guide cords

22,23 is extended and is opened along the lifting direction (promptly along the vertical direction) of the 1st and the

2nd counterweight

6,7 and is located in the hoistway 1.The 1st is connected with supporting station 20 with the upper end of the 2nd guide cords 22,23.The 1st is connected with bottom in the hoistway 1 with the lower end of the 2nd guide cords 22,23.Bottom in hoistway 1 is provided with the tension applying apparatus (not shown) that

guide cords

22,23 is applied tension force.

The the 1st and the

2nd counterweight

6,7 is provided with pilot hole, and the 1st and the

2nd guide cords

22,23 connects this pilot hole.The the 1st and the 2nd

counterweight guide rail

3,4 only uses one respectively.Other formations are identical with embodiment 1.

In such lift appliance,, therefore can omit the part of

counterweight guide rail

3,4 owing to use the 1st and the 2nd guide cords 22,23.

Counterweight guide rail

3,4 constitutes owing to connect the multistage guide rail on above-below direction, if therefore can omit the part of

counterweight guide rail

3,4, then can reduce the parts number, and can significantly reduce installation work-hour, cost-cutting.

In addition, can dwindle the lift appliance single-piece by a part of omitting

counterweight

3,4 space is set.

(embodiment 3)

Next, Fig. 6 is the front view of actuating device of the lift appliance of expression embodiment of the present invention 3.In the drawings, on the 1st traction sheave 11, be wound with many main ropes 14.Each main rope 14 many rope strands of twisted respectively constitutes.In addition, on the 1st traction sheave 11, the sth. made by twisting that is wound with rope strand is to mutually different many main ropes 14.Other structures are identical with embodiment 2, and the sth. made by twisting that also is wound with rope strand on the 2nd traction sheave 12 is to mutually different many main ropes 15.

Like this, twist with the fingers the

main rope

14,15 that constitutes each

counterweight

6,7 of suspention to mutually different two kinds of steel ropes by combination, can offset the rotary torque that

main rope

14,15 self is rotated thus, even under situation by 6,7 liftings of

guide cords

22,23 guiding counterweights, also can suppress the vibration of

counterweight

6,7, make

counterweight

6,7 liftings stably.

In addition, on the main rope of a counterweight of suspention, it is identical preferably to make radical and the left side of the steel rope of right strand twisted twist the radical of steel rope of twisted.

(embodiment 4)

Next, Fig. 7 is the birds-eye view of the lift appliance of expression embodiment of the present invention 4, and Fig. 8 is the birds-eye view that does not contain actuating device of presentation graphs 7, and Fig. 9 is the front view of the counterweight of presentation graphs 7.

In the drawings, the 1st counterweight 6 guides and lifting in hoistway 1 by opening many (are 2 at this) the 1st guide cords 22 that is located in the hoistway 1.At the Width both ends of the 1st counterweight 6, be provided with a pair of guide groove 6a, penetrated the 1st guide cords 22 among this guide groove 6a.

The 2nd counterweight 7 guides and lifting in hoistway 1 by opening many (are 2 at this) the 2nd guide cords 23 that is located in the hoistway 1.At the Width both ends of the 2nd counterweight 7, be provided with a pair of guide groove 7a, penetrated the 2nd guide cords 23 among this guide groove 7a.

In hoistway 1, be provided with by engaging and limit a plurality of killers 24 that the 1st and the

2nd counterweight

6,7 vibrates in the horizontal direction with the 1st and the 2nd counterweight 6,7.Each killer 24 for example is made of rigid bodies such as metals, and it is fixed on well enclosure 1a, the 1b via installing components such as support plates.

The end of killer 24 is embedded among guide groove 6a, the 7a.Usually, between killer 24 and guide

groove

6a, 7a, be provided with the gap, permitted the vibration of

counterweight

6,7 at the range content in gap.In addition, as shown in Figure 9, killer 24 is spaced from each other arranged spaced on above-below direction.

Directly over the 2nd counterweight 7, be provided with the diversion sheave 25 that can rotate freely.Be wound with the 2nd main rope 15 on the diversion sheave 25.That is, in embodiment 1, use two

platform towing machines

9,10, and in embodiment 4, only use 1 towing machine 9.Other formations are identical with embodiment 1.

In such lift appliance, only do not use

guide cords

22,23 to guide

counterweight

6,7 liftings owing to do not use the counterweight guide rail, therefore can reduce installation work-hour significantly, and cost-cutting.

In addition, owing to use killer 24,, also can limit

counterweight

6,7 vibration in the horizontal direction, and prevent that

counterweight

6,7 and car 5 or hoistway equipment from colliding even therefore under the situation of rocking because of earthquake etc.

In addition, allow between killer 24 and the

counterweight

6,7 to have certain clearance, and, compare, can be construed as limiting device 24 more economically with the counterweight guide rail owing to need in the whole lifting travel of

counterweight

6,7, killer 24 be set continuously.

In addition, owing to constitute actuating devices 8, and only diversion sheave 25 is set in the 2nd counterweight 7 sides with 1 towing machine 9, so can cost-cutting, and can simplify control.

(embodiment 5)

Next, Figure 10 is the section-drawing of main portion of the lift appliance of expression embodiment of the present invention 5.In this embodiment, open and to be provided with many (is 6 at this) guide cords 22, make it center on counterweight 6.That is, guide cords 22 not only is configured in the Width both ends of counterweight 6, also is configured in the both sides (opposite side of car 5 one sides and relative car 5) of thickness direction.The upper end of guide cords 22 is connected with supporting station on being fixed on car guide rail, perhaps be fixed on building on support beam etc. be connected.

Like this, utilize guide cords 22 around counterweight 6, can be by the vibration in the horizontal direction of simple STRUCTURE DEPRESSION counterweight 6.

In addition, in embodiment 5, guide cords 22 is configured in the both sides of the thickness direction of counterweight 6, but the collocation method of guide cords 22 is not limited to this.For example, can make the radical of the guide cords 22 of relative car 5 opposite sides be less than car 5 one sides, perhaps also can omit the guide cords 22 of relative car 5 opposite sides.

Claims

1. lift appliance, it comprises:

The car of lifting in hoistway, it has the opposed the 1st and the 2nd side surface part mutually;

Guide a pair of car guide rail of above-mentioned car lifting, itself and the above-mentioned the 1st and the 2nd side surface part are arranged in the hoistway opposed to each other;

The 1st counterweight of lifting in above-mentioned hoistway, it disposes opposed to each other with above-mentioned the 1st side surface part in vertical plane, and is configured in the front side of above-mentioned car guide rail at the depth direction of above-mentioned car;

The 2nd counterweight of lifting in above-mentioned hoistway, it disposes opposed to each other with above-mentioned the 2nd side surface part in vertical plane, and is configured in the front side of above-mentioned car guide rail at the depth direction of above-mentioned car;

Above-mentioned car, above-mentioned the 1st counterweight and above-mentioned the 2nd counterweight are suspended in main rope group in the above-mentioned hoistway;

Make the actuating device of above-mentioned car, above-mentioned the 1st counterweight and above-mentioned the 2nd counterweight lifting, it has the traction sheave that is wound with above-mentioned main rope group, and be configured in the above-mentioned the 1st and the 2nd counterweight at least any one party directly over.

2. lift appliance according to claim 1 is characterized in that, the above-mentioned the 1st and the 2nd pair of depth direction that focuses on above-mentioned car is configured in the rear side of the front face of above-mentioned car.

3. lift appliance according to claim 1 is characterized in that, above-mentioned actuating device is the slim towing machine of its axial dimension less than electromotor diameter.

4. lift appliance according to claim 1 is characterized in that, above-mentioned actuating device has the 1st towing machine that is configured in directly over above-mentioned the 1st counterweight, and is configured in the 2nd towing machine directly over above-mentioned the 2nd counterweight.

5. lift appliance according to claim 4, it is characterized in that, the the above-mentioned the 1st and the 2nd towing machine is according to the load in the above-mentioned car, and any one produces between the 2nd pattern of propulsive effort and switches running in that the above-mentioned the 1st and the 2nd towing machine both produces the 1st pattern of propulsive effort and the only above-mentioned the 1st and the 2nd towing machine.

6. lift appliance according to claim 1 is characterized in that, also comprises the control setup that is configured in above-mentioned actuating device top, is used to control the running of above-mentioned actuating device.

7. lift appliance according to claim 1, it is characterized in that, the above-mentioned the 1st and at least any one party of the 2nd side surface part be provided with inspection socket to be opened/closed, above-mentioned actuating device is configured in above-mentioned car and can carries out on the position of maintenance inspection by above-mentioned inspection socket.

8. lift appliance according to claim 1 is characterized in that, also comprises opening being located in the above-mentioned hoistway, guiding the above-mentioned the 1st and the 1st and the 2nd guide cords of the 2nd counterweight lifting respectively.

9. lift appliance according to claim 8, it is characterized in that, above-mentioned main rope group has the 1st main rope of above-mentioned the 1st counterweight of suspention and the 2nd main rope of above-mentioned the 2nd counterweight of suspention, and the above-mentioned the 1st comprises respectively that with the 2nd main rope sth. made by twisting is to mutual 2 kinds of different steel ropes.

10. lift appliance according to claim 8 is characterized in that, also comprises killer, and this killer is fixed in the above-mentioned hoistway, and this killer engages with the above-mentioned the 1st and the 2nd counterweight, thereby limits the above-mentioned the 1st and the 2nd counterweight displacement in the horizontal direction.