CN101426709A - Elevator device - Google Patents
Elevator device Download PDFInfo
- Publication number
- CN101426709A CN101426709A CNA2007800138700A CN200780013870A CN101426709A CN 101426709 A CN101426709 A CN 101426709A CN A2007800138700 A CNA2007800138700 A CN A2007800138700A CN 200780013870 A CN200780013870 A CN 200780013870A CN 101426709 A CN101426709 A CN 101426709A
- Authority
- CN
- China
- Prior art keywords
- hoist cable
- diameter
- rope sheave
- drive pulley
- winch
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
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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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
An elevator device where a reduction in the lifetime of the main rope is kept as small as possible even if the diameter of the drive sheave is reduced. The elevator device uses a hoist (10(10A)) having the drive sheave (9) with the diameter not more than 29 times as large as the diameter of the main rope, and at least an elevator car (1) and counterbalance weight (2) have rope sheaves (7a, 7b, 11 (12a, 12b)). The diameters of the rope sheaves (7a, 7b, 11 (12a, 12b)) are set greater than the diameter of the drive sheave (9).
Description
Technical field
The present invention relates to a kind of lift facility, this lift facility has the lift car of oscilaltion in hoist trunk.
Background technology
In existing lift facility, connect lift car and counterbalanced weight by main hoist cable, main hoist cable is wound onto on the drive pulley by turning to rope sheave on rope sheave and lift car and the counterbalanced weight etc., by driving this drive pulley, make lift car and counterbalanced weight oscilaltion, in above-mentioned existing lift facility, to give the damage that main hoist cable causes and reduce bending resistance etc. in order to alleviate because of friction-driven, general way is that the diameter with drive pulley and rope sheave is set at 40 times more than or equal to main hoist cable diameter, but, owing to developed in recent years for example by using aromatic poly amide and Kevlar syntheticfibress such as (Kevlar) to improve the main hoist cable of bending property, and improved the main hoist cable in service life etc. by being used in combination steel wire and urethane resin etc., even feasible diameter with drive pulley and rope sheave etc. is set in below 30 times of main hoist cable diameter, still can prolong the service life of main hoist cable, improve the bending property of main hoist cable.
But, be that the main hoist cable of purpose exists the problem that lacks flexibility to increase the service life, be that the main hoist cable of purpose then exists short problem in service life to improve flexibility, therefore need develop the main hoist cable that can overcome above-mentioned shortcoming.
As one of solution to the problems described above, a kind of scheme has for example been proposed in patent documentation 1, in this scheme, in order to dwindle the diameter of drive pulley, improve propulsive effort by increasing the winding angle of main hoist cable on drive pulley, simultaneously, because preferred less deflection sheave, therefore the size reduction with deflection sheave has arrived and drive pulley size (for example with reference to patent documentation 1) about equally.
But in above-mentioned existing technology, its purpose just will be dwindled the size of drive pulley, and is not making consideration aspect the raising elevator overall performance.
Summary of the invention
The object of the present invention is to provide a kind of lift facility, in this lift facility, under the situation of having dwindled drive pulley diameter, can prevent effectively that still the service life of main hoist cable from descending.
The present invention to achieve these goals, lift facility of the present invention uses the winch with drive pulley, and on lift car and counterbalanced weight, has rope sheave at least, wherein, the diameter of described drive pulley is smaller or equal to 29 times of main hoist cable diameter, described lift facility of the present invention is characterised in that, is arranged on the diameter of the diameter of the rope sheave on described lift car and the counterbalanced weight greater than described drive pulley.
By having aforesaid structure, can reduce the flexure stress that acts on the main hoist cable and the bending resistance of main hoist cable, therefore can improve the service life of main hoist cable and reach energy-conservation effect, can also realize simultaneously the miniaturization of winch by the diameter that dwindles drive pulley, therefore can effectively utilize the space, improve the degree of freedom that is provided with of winch, and the comfort feature that improves maintenance.
The invention effect
According to the present invention, because the diameter of the rope sheave of lift car and counterbalanced weight is greater than the diameter of drive pulley, therefore can reduce the flexure stress that acts on the main hoist cable and the bending resistance of main hoist cable, its result, can improve the service life of main hoist cable and reach energy-conservation effect, can also realize the miniaturization of winch simultaneously, therefore can effectively utilize the space by the diameter that dwindles drive pulley, improve the degree of freedom that is provided with of winch, and the comfort feature that improves maintenance.
Description of drawings
Fig. 1 is the block diagram of an embodiment of expression lift facility of the present invention.
Fig. 2 is the birds-eye view when observing Fig. 1 from the top.
Fig. 3 is the block diagram of another embodiment of expression lift facility of the present invention.
Fig. 4 is the birds-eye view when observing Fig. 3 from the top.
Fig. 5 is the block diagram of another embodiment of expression lift facility of the present invention.
Fig. 6 is the birds-eye view when observing Fig. 5 from the top.
Nomenclature
1 lift car
2 counterbalanceds weight
3 lift car side master hoist cable connecting elements
4 main hoist cables return pulley
5 main hoist cables
6a, 6b elevator car upper turn to rope sheave
7a, 7b lift car rope sheave
8a, 8b lift car side turn to rope sheave
9 drive pulley
10 body asthenic winchs
The slim winch of 10A
11 balance heavy sides turn to rope sheave
12a, 12b counterbalanced weight rope sheave
13 counterbalanced weight tops turn to rope sheave
14 balance heavy side master hoist cable connecting elements
15a, 15b lift car guide rail
16a, 16b counterbalanced weight guide rail
The specific embodiment
Followingly embodiments of the present invention are described with reference to accompanying drawing.
Fig. 1 is the block diagram of an embodiment of expression lift facility of the present invention, Fig. 2 is the birds-eye view when observing Fig. 1 from the top, Fig. 3 is the block diagram of another embodiment of expression lift facility of the present invention, Fig. 4 is the birds-eye view when observing Fig. 3 from the top, Fig. 5 is the block diagram of another embodiment of expression lift facility of the present invention, and Fig. 6 is the birds-eye view when observing Fig. 5 from the top.
In Fig. 1, top in the side of lift car 1 is provided with lift car side master hoist cable connecting element 3, main hoist cable 5 is constituted as from described lift car side master hoist cable connecting element 3 and extends towards the below, from lift car another lift car of rope sheave 7a extend past rope sheave 7b, arrival is arranged on the drive pulley 9 on lift car 1 top, after this, this main hoist cable 5 behind about 180 degree of reeling on this drive pulley 9 once more towards below extend, after passing through the counterbalanced weight usefulness rope sheave 12a that is installed on the counterbalanced weight 2, arrive the balance heavy side master hoist cable connecting element 14 of top.
Followingly whole setting the of the present invention described with reference to Fig. 2.In the example of Fig. 2, body asthenic winch 10 is arranged on the top of lift car 1, and does not use the rope sheave that turns to that connects lift car 1 and counterbalanced weight 2 usefulness, and counterbalanced weight 2 is arranged on the sidepiece of lift car 1.At this, when for example having used the main hoist cable 5 that has applied resin on the steel wire, with use steel wire on do not have the situation of the main hoist cable of coated with resins to compare, friction coefficient between drive pulley 9 and the main hoist cable 5 is improved, therefore can dwindle the diameter of drive pulley 9, its result can make winch 10 realize miniaturization., after the diameter of drive pulley 9 reduced, the local stress that acts on the main hoist cable 5 increased, in order to prolong the described service life that has applied the main hoist cable 5 of resin, the measures such as hardness that need take to improve resin.By the main hoist cable 5 that uses above-mentioned resin hardness to be improved, can dwindle the diameter of drive pulley 9, simultaneously can dwindle required drive torque and lock torque etc., therefore can realize the miniaturization of winch equipment, owing to realized the miniaturization of winch 10, make the space around the winch 10 increase, thereby can make handling labor become more convenient.
On the other hand, if dwindle the diameter of lift car usefulness rope sheave 7a, 7b and counterbalanced weight usefulness rope sheave 12a etc. simultaneously, then main hoist cable 5 is wound on the bending resistance that produces when rope sheave 7a, 7b and counterbalanced weight are gone up with rope sheave 12a and increases, thereby can cause the walking loss of elevator to increase.In addition, after lift car is used the reduced of rope sheave 12a with rope sheave 7a, 7b and counterbalanced weight, the local stress of main hoist cable will increase, and therefore can cause reduce the service life of main hoist cable 5.Therefore, as required, increase the size of lift cars usefulness rope sheave 7a, 7b and/or counterbalanced weight usefulness rope sheave 12a with respect to drive pulley 9, service life of bending resistance and main hoist cable etc. is controlled in the scope of allowing, can needing to change significantly the service efficiency that the space is set that improves winch 10 under the integrally-built situation of elevator thus.
At this moment, by the diameter of rope sheave being set for diameter greater than drive pulley 9, can arrive above-mentioned purpose, but if possible, be set at 1.5 times of diameter of drive pulley by diameter, the service life that then can more stably improve main hoist cable with rope sheave.
In addition, in the above description, the diameter of drive pulley 9 is set to 29 times smaller or equal to main hoist cable 5, but most preferably the diameter of drive pulley 9 in 16～29 times scope of main hoist cable 5.This be because, if the diameter of drive pulley 9 main hoist cable 5 diameters below 16 times the time, local resistance increases, thus the service life that can't improve main hoist cable.
And, as main hoist cable 5, if use the hoist cable that applied resin or, then can improve bendability, make it possible to very easily the diameter of drive pulley 9 be set for 29 times smaller or equal to main hoist cable 5 with the hoist cable as main component such as Kevlar or aromatic polyamide resin.
Next with reference to Fig. 3 and Fig. 4 another embodiment is described.In Fig. 3, lift car side master hoist cable connecting element 3 is arranged on the top of the side direction of lift car 1, main hoist cable 5 is constituted as from described lift car side master hoist cable connecting element 3 and extends towards the below, from lift car another lift car of rope sheave 7a extend past rope sheave 7b, the extend past lift car side that is arranged on lift car 1 top turns to rope sheave 8a then, 8b, extend towards the below once more afterwards and arrival drive pulley 9, after this, this main hoist cable 5 reel on this drive pulley 9 about 180 degree backs towards above the balance heavy side turn to rope sheave 11 to extend, pass through the balance heavy side and turn to rope sheave 11 back counterbalanced weight rope sheave 12a on the counterbalanced weight 2 that is arranged on the below, 12b extends, and arrives the balance heavy side master hoist cable connecting element 14 of top at last.
The difference of Fig. 4 and Fig. 2 is, turn to rope sheave 8a, 8b by between lift car 1 and drive pulley 9, the lift car side being set, slim winch 10A is set below hoist trunk, between drive pulley 9 and counterbalanced weight 2, the balance heavy side is set and turns to rope sheave 11, and 2 rope sheave 12a, 12b are set on rope sheave, thereby counterbalanced weight 2 has been arranged on the rear of lift car 1 at counterbalanced weight.
By having aforesaid structure, the degree of freedom that is provided with of counterbalanced weight 2 increases, can improve the efficient that is provided with in hoist trunk, but compare with above-mentioned embodiment illustrated in figures 1 and 2, because the quantity of rope sheave increases, and makes the problems such as service life of bending resistance and main hoist cable become more remarkable.Therefore, in Fig. 3 and embodiment shown in Figure 4, by to all rope sheave 7a, 7b of described lift car 1 of major general and counterbalanced weight 2,12a, 12b and all or surpass half other turn to rope sheave 8a, 8b, 11 diameter to set diameter for greater than drive pulley, then can obtain the effect same with embodiment illustrated in figures 1 and 2.
Followingly another embodiment is described with reference to Fig. 5 and Fig. 6.In Fig. 5, main hoist cable 5 is constituted as from the lift car master hoist cable connecting element 3 extend past master hoist cables that are arranged on lift car 1 ground plate portion and returns pulley 4 and extend towards the top, turn to rope sheave 6a from elevator car upper, the lift car rope sheave 7a at 6b extend past lift car 1 top, turn to rope sheave 8a to extend from the lift car side that is arranged on lift car 1 top afterwards towards drive pulley 9, after this, this main hoist cable 5 is wound on the drive pulley, and once more towards balance heavy side rope sheave 13 extensions on hoist trunk top, arrive the balance heavy side master hoist cable connecting element 14 of counterbalanced weight 2 at last behind the usefulness of the counterbalanced weight on the counterbalanced weight 2 below extend past the is arranged on rope sheave 12a.
In Fig. 4, the method for winding that main hoist cable adopted 2: 1 is reeled, and in contrast to this, in Fig. 6, the method for winding that main hoist cable adopted 3: 1 is reeled, and body asthenic winch 10 is arranged on the top of lift car 1, is very different with Fig. 4 on this point.By adopting said structure, under the diameter of drive pulley 9 situation identical, still can reduce drive torque and lock torque etc. with Fig. 4, therefore can further realize the miniaturization of winch.As mentioned above, though elevator has various structures, no matter be any structure, by setting the diameter of the rope sheave beyond the drive pulley for diameter, all can obtain the effect same with previous embodiment greater than drive pulley with above-mentioned condition.
Claims (5)
1. lift facility, its use has the winch of drive pulley, and has rope sheave at least on lift car and counterbalanced weight, and wherein, the diameter of described drive pulley is smaller or equal to 29 times of main hoist cable diameter, and described lift facility is characterised in that,
Be arranged on the diameter of the diameter of the rope sheave on described lift car and the counterbalanced weight greater than described drive pulley.
2. lift facility as claimed in claim 1 is characterized in that, the diameter of described rope sheave is more than or equal to 1.5 times of the diameter of described drive pulley.
3. lift facility as claimed in claim 1 is characterized in that, uses slim winch as described winch, and described slim winch is arranged in the hoist trunk.
4. lift facility as claimed in claim 1 is characterized in that, uses body asthenic winch as described winch, and described body asthenic winch is arranged in the hoist trunk.
5. lift facility as claimed in claim 1 is characterized in that, as described main hoist cable, uses the hoist cable that applied resin or with the hoist cable as main component such as Kevlar or aromatic polyamide resin.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006115663A JP2007284224A (en) | 2006-04-19 | 2006-04-19 | Elevator device |
| JP115663/2006 | 2006-04-19 | ||
| PCT/JP2007/057977 WO2007123034A1 (en) | 2006-04-19 | 2007-04-11 | Elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101426709A true CN101426709A (en) | 2009-05-06 |
| CN101426709B CN101426709B (en) | 2012-08-29 |
Family
ID=38624939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800138700A Active CN101426709B (en) | 2006-04-19 | 2007-04-11 | Elevator device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2007284224A (en) |
| CN (1) | CN101426709B (en) |
| HK (1) | HK1128276A1 (en) |
| WO (1) | WO2007123034A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102574665A (en) * | 2009-10-14 | 2012-07-11 | 因温特奥股份公司 | Elevator system and suspension for such a system |
| CN113291951A (en) * | 2021-04-28 | 2021-08-24 | 韦伯电梯有限公司 | Multi-winding composite traction elevator and adjusting method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5235577B2 (en) * | 2008-09-19 | 2013-07-10 | 三菱電機株式会社 | Elevator equipment |
| EP2361212B1 (en) * | 2008-12-22 | 2014-02-12 | Inventio AG | Elevator support means, manufacturing method for said support means and elevator system comprising said elevator support means |
| JP6171551B2 (en) * | 2013-05-17 | 2017-08-02 | Ｊｆｅスチール株式会社 | Crane hoisting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3489578B2 (en) * | 1999-12-06 | 2004-01-19 | 三菱電機株式会社 | Elevator equipment |
| JP3724322B2 (en) * | 2000-03-15 | 2005-12-07 | 株式会社日立製作所 | Wire rope and elevator using it |
| JP2005529042A (en) * | 2002-06-07 | 2005-09-29 | コネ コーポレイション | elevator |
-
2006
- 2006-04-19 JP JP2006115663A patent/JP2007284224A/en active Pending
-
2007
- 2007-04-11 WO PCT/JP2007/057977 patent/WO2007123034A1/en active Application Filing
- 2007-04-11 CN CN2007800138700A patent/CN101426709B/en active Active
-
2009
- 2009-08-14 HK HK09107507.2A patent/HK1128276A1/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102574665A (en) * | 2009-10-14 | 2012-07-11 | 因温特奥股份公司 | Elevator system and suspension for such a system |
| CN102574665B (en) * | 2009-10-14 | 2015-11-25 | 因温特奥股份公司 | Elevator system and the load-carrying element for this system |
| CN113291951A (en) * | 2021-04-28 | 2021-08-24 | 韦伯电梯有限公司 | Multi-winding composite traction elevator and adjusting method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007284224A (en) | 2007-11-01 |
| WO2007123034A1 (en) | 2007-11-01 |
| HK1128276A1 (en) | 2009-10-23 |
| CN101426709B (en) | 2012-08-29 |
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