CN101962146B - Elevator - Google Patents
Elevator Download PDFInfo
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- CN101962146B CN101962146B CN 200910205399 CN200910205399A CN101962146B CN 101962146 B CN101962146 B CN 101962146B CN 200910205399 CN200910205399 CN 200910205399 CN 200910205399 A CN200910205399 A CN 200910205399A CN 101962146 B CN101962146 B CN 101962146B
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Abstract
The invention provides an elevator. A suspension length of a control cable is relative small relative to a lifting stroke. The elevator comprises a control cable, wherein one end of the control cable is connected with a lift well and another end is connected with an elevator car. In the elevator, the middle part of the control cable is supported by a movable lifting device and the movable lifting device lifts respective with the lifting of the elevator car in the lift well and the lifting distance of the movable lifting device is shorter than the moving distance of the elevator car. The movable lifting device comprises: a movable lifting rack connected with the control cable; a guide rail supporting the movable lifting rack to life in the lift well; and a driving device for making the movable lifting rack move along the guide rail. The lifting length of the control cable is reduced relative to the stroke of the elevator car.
Description
Technical field
The present invention relates to elevator, particularly have the elevator of the control cables that is connected with car.
Background technology
Existing elevator generally constitutes: connect car and be connected an end of control cables (lead-in wire) with hoistway equipment and be connected with hoistway, the other end is connected with car, thereby is hung as roughly U font, and the lifting of this control cables and lift car moves up and down in linkage.About control cables, according to required number of lead wires or the difference of bending spring, use respectively the control cables of a plurality of kinds.So-called bending spring is the parameter U font, relevant with the flexibility of control cables when determining the control cables suspention.
Existing control cables (lead-in wire) comprising: electric power supply line and signal transmission line, and they are used at car and are arranged at carrying out between the control panel in the machine room that electric power is supplied with and the signal transmission; And line feeder.In such control cables, make control cables have suitable curved characteristic, thus, in order to increase the suspention width interval of control cables, following methods has been proposed: thus line feeder is increased than thicker its rigidity that makes of usually required fineness, and make the sectional area of the heart yearn that consists of the electric power supply line increase (for example with reference to patent documentation 1).
Patent documentation 1: Japanese kokai publication hei 8-91734 communique
But in so existing elevator, if use thick and the high line feeder of intensity, then the deadweight of control cables increases, and exist with inferior problem: if control cables is not suspended near the car center, then partial load is very large.When the weight of control cables very large and away from car in heart when being suspended on the car, the weight of control cables becomes very large partial load and acts on car, particularly partial load is very large when car rises, and can give to take comfort level and bring harmful effect.Particularly impact is very large in the very large elevator of lifting travel.In addition, also be the major cause that cost increases.
In addition, difference according to the suspention method of the layout of the flexibility of control cables, elevator and control cables, when control cables was suspended to the car center, the interval between control cables and the car was very little, and particularly control cables contacts sometimes with car when car is come orlop.Therefore, even in order to make control cables also can not cause contact near being suspended to the car center, use respectively bending spring carried out the many cables of adjusting.
Like this, as the problem in the existing elevator, exist with inferior problem: owing to need to use respectively bending spring and strengthen the different control cables of steel wire, so need to use the cable of a plurality of kinds; In order to reduce control cables need to be suspended near the car center by the caused partial load to car of reinforcement steel wire thick and that intensity is high; Owing to using thick and the high reinforcement steel wire of intensity makes and causes cost up; And but suspended length might reach the upper limit based on the deadweight of control cables or the limit of strengthening intensity of steel wire, thereby the size of the lifting travel of elevator can produce the limit.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of suspended length elevator very little with respect to lifting travel of control cables.
Elevator of the present invention comprises: car, and it moves along hoistway; The car drive unit, it moves above-mentioned car; And control cables, the one end is connected with above-mentioned hoistway, and the other end is connected with above-mentioned car, above-mentioned elevator is characterised in that, above-mentioned elevator has the travelling bridge device, this travelling bridge device supports above-mentioned control cables between the above-mentioned end of above-mentioned control cables and the above-mentioned other end, and above-mentioned travelling bridge device is supported for can lifting in above-mentioned hoistway, and lifting is carried out in the lifting of above-mentioned travelling bridge device and above-mentioned car accordingly, and the lifting distance of above-mentioned travelling bridge device is shorter than the displacement of above-mentioned car
Above-mentioned travelling bridge device comprises:
Travelling bridge, it is connected with above-mentioned control cables;
Guide rail, it supports to above-mentioned travelling bridge can lifting in above-mentioned hoistway; And
Actuating device, it makes above-mentioned travelling bridge move along above-mentioned guide rail.
According to elevator of the present invention, has the effect that the suspended length that can make control cables reduces with respect to the lifting travel of car.
Description of drawings
Fig. 1 be expression elevator of the present invention an embodiment, along the summary sectional view of the I-I line among Fig. 2.
Fig. 2 is the summary sectional elevation along the II-II line among Fig. 1.
Fig. 3 is the lateral plan of an example of the movable suspension bracket of expression elevator of the present invention.
Fig. 4 is the cutaway view along the IV-IV line among Fig. 3.
Fig. 5 is the summary side elevation of another embodiment of expression elevator of the present invention.
Fig. 6 is the summary side elevation of the state of the car of the elevator in the presentation graphs 5 uppermost position in fig-ure that is in lifting travel.
Fig. 7 is the summary side elevation of the state of the car of the elevator in the presentation graphs 5 upper/lower positions that is in lifting travel.
Fig. 8 is the summary side elevation of the another embodiment of expression elevator of the present invention.
Fig. 9 is the again summary side elevation of an embodiment of expression elevator of the present invention.
Label declaration
1: hoistway; 2: car; 3: the car actuating device; 4: well enclosure; 5: control cables; 5a: cage side cable section; 5b: hoistway side cable section; 5c: intermediate cable part; 6: main rope; 7: towing machine; 8: counterweight; 9: suspension bracket; 10: fixing suspension bracket; 11: the travelling bridge device; 12: travelling bridge; 13: guide rail; 14: actuating device; 15: the traction rope sheave; 16: rope; 17: electrical motor; 18,19,20: supporting walls; 21,22: plate member; 23: framework; 24: sliding tray; 25,27,29: axle; 26: cylinder part; 28,30: wheel; 31,32: line feeder; 33,36: pulley; 34: the hoistway roof; 35: middle travelling bridge.
The specific embodiment
Below, embodiments of the present invention are described.
In Fig. 1, elevator of the present invention comprises: car 2, and it moves along hoistway 1; Car actuating device 3, it moves car 2; And control cables 5, the one end is connected with the well enclosure 4 that forms hoistway, and the other end is connected with car 2.Car actuating device 3 comprises the main rope 6 that is connected with car 2 and around the towing machine 7 that hangs with main rope 6, is connected with counterweight 8 at the other end of main rope 6.One end of control cables 5 is connected with car 2 by the suspension bracket 9 on the diapire that is arranged at car 2.The other end of control cables 5 is connected with fixing suspension bracket 10, this fixedly suspension bracket 10 be installed on for example not shown car guide rail of well enclosure 4, and well enclosure 4 be arranged at car 2 lifting travel, be the roughly midway location of miles of relative movement.
Elevator also has travelling bridge device 11, the centre portion of this travelling bridge device 11 between the other end of an end of car 2 sides of control cables 5 and well enclosure 4 sides supports this control cables 5, and this travelling bridge device 11 is supported for can be in hoistway 1 interior lifting, and this travelling bridge device 11 carries out lifting accordingly with the lifting of car 2, and the lifting distance of this travelling bridge device 11 is shorter than the miles of relative movement of car 2.Travelling bridge device 11 comprises: travelling bridge 12, and its centre portion with control cables 5 is connected; Guide rail 13, its guiding and support travelling bridge 12 can be in hoistway 1 interior liftings; And actuating device 14, it makes travelling bridge 12 move along guide rail 13.
The actuating device 14 of travelling bridge device 11 and towing machine 7 interlocks that drive car 2, and this actuating device 14 miles of relative movement of setting travelling bridge 12 for is compared with the miles of relative movement of car 2 and is wanted little and roughly proportional.In graphic example, the travelling bridge 12 of support and control cable 5 is one, thus the miles of relative movement of travelling bridge 12 be car miles of relative movement about 1/2.Actuating device 14 comprises: with the towing machine 7 that drives car 2 driven traction rope sheave 15 in linkage; And the rope 16 that is directly connected in traction rope sheave 15 and travelling bridge 12, in graphic example, 1: 1 baudrier that to be traction rope sheave 15 driven by the electrical motor 17 different from the towing machine 7 of car 2 usefulness.
The guide rail 13 of travelling bridge 12 is two long parts, these two long parts are installed on the well enclosure 4 identical with the well enclosure 4 that fixing suspension bracket 10 is installed as illustrated in fig. 2, and dispose abreast with the moving direction of the length corresponding with the miles of relative movement of travelling bridge 12 along car 2, above-mentioned guide rail 13 guides and supports travelling bridge 12 by its guide surface.Travelling bridge 12 is connected with the centre portion of control cables 5, performance supports to centre portion the effect that can move along guide rail 13, in addition, take travelling bridge 12 as benchmark, with control cables 5 be divided into part by car 2 sides, be cage side cable section 5a and by the part of well enclosure 4 sides, be hoistway side cable section 5b.
As shown in Figure 2, be connected to cage side cable section 5a on the travelling bridge 12 from the suspension bracket 9 of car 2 with being the U font and be in the vertical plane surface vertical with the well enclosure 4 that guide rail 13 is installed, be connected to hoistway side cable section 5b on the fixing suspension bracket 10 from travelling bridge 12 with being the U font and be in the plane parallel with well enclosure 4.Namely, travelling bridge 12 also has the horizontal direction composition of the bearing of trend that makes control cables 5 in the function of 90 ° of travelling bridge 12 changes.In addition, be moved the part that suspension bracket 12 keeps about control cables 5, have at control cables 5 in the situation of line feeder, as in the back with Fig. 3 and Fig. 4 describe relatedly, can by line feeder is extracted out from the clad material of control cables 5 and with travelling bridge 12 in conjunction with keeping.In control cables 5, do not have in the situation of line feeder, can by with control cables 5 around hanging on the cylinder parts such as the wheel that is arranged at travelling bridge 12 or cylinder and utilizing fastening maintenances the such as binding clasp.
In Fig. 3 and Fig. 4, show the detailed construction of travelling bridge 12, travelling bridge 12 has framework 23, and this framework 23 is made of the first plate member 21 and second plate member 22 of two home bases (home base) shape, and is supported in parallel to each other by three supporting walls 18,19,20.Lateral margin in framework 23 is formed with the sliding tray 24 that engages with guide rail 13, thereby framework 23 can be slided when being directed along guide rail 13.Between the plate member 21 and 22 of framework 23, be provided with the cylinder part 26 that is supported by axle 25, reeling at this cylinder part 26 is connected with rope 16, this rope 16 on the traction rope sheave 15 that hangs over actuating device 14, thereby can make travelling bridge 12 along guide rail 13 liftings by actuating device 14.
Between the first plate member 21 of framework 23 and the second plate member 22, also be provided with the first round 28, this first round 28 in the drawings by axle 27 be supported on the right side supporting walls 18 and central authorities supporting walls 19 between, also be provided with second between the first plate member 21 of this external framework 23 and the second plate member 22 and take turns 30, this second is taken turns 30 and is supported between the supporting walls 19 and the supporting walls 20 in left side of central authorities by axle 29 in the drawings.The axle 27 of the first round 28 is supported by the first plate member 21 and the second plate member 22, and is located vertically in the horizontal surface with respect to well enclosure 4, and second takes turns 30 axle 29 supported walls 19 and 20 supports, and is configured in the horizontal surface abreast with respect to well enclosure 4.
On the first round 28, coiling is connected with the line feeder 31 of extracting out from the cage side cable section 5a that the suspension bracket 9 from car 2 stretches out, thereby cage side cable section 5a is suspended up, in addition, take turns on 30 second, coiling is connected with the line feeder 32 of extracting out from the hoistway side cable section 5b that the fixedly suspension bracket 10 that certainly is installed on well enclosure 4 stretches out, thereby hoistway side cable section 5b is suspended up.
In the elevator that consists of like this, when making car 2 lifting by car actuating device 3, travelling bridge 12 is by the lifting with the actuating device 14 of the travelling bridge device 11 of car actuating device 3 interlock, its lifting distance be car 2 miles of relative movement 1/2, thereby cage side cable section 5a and hoistway side cable section 5b are also mobile respectively.At this moment, the relative movement distance between cage side cable section 5a or hoistway side cable section 5b two ends separately, be that the suspended length of control cables 5 is reduced to 1/2 with respect to the lifting travel of car 2.
Owing to reduced the suspended length of control cables 5, thus can working weight light cable as control cables 5, can not use for example include thick reinforcement steel wire from great cable.Thus, the weight that acts on the control cables 5 on the car 2 reduces, and therefore the partial load that acts on car 2 is reduced.In addition, if partial load is very little, just will control cables 5 be suspended to the center of car 2, so the degree of freedom of suspension point increases.Simultaneously, owing to needn't use respectively the different control cables of bending spring, so can reduce the species number of control cables.In addition, because cage side cable section 5a and these two cable sections of hoistway side cable section 5b carry out lifting, so the relative velocity of control cables lifting compared with the past reduces, can improve the stability of the action behavior of control cables.
In elevator shown in Figure 5, the traction rope sheave 15 of the actuating device 14 of travelling bridge device 11 constitutes by the towing machine 7 of car actuating device 3 and drives.In addition, the rope 16 that hangs down from traction rope sheave 15 is connected with movable suspension bracket 12 with 2: 1 baudriers via pulley 33.Namely, an end of rope 16 on the towing machine 7 that hangs over car actuating device 3, the other end extends around being hung on traction rope sheave 15 backward belows, after hanging on the pulley 33 that is installed on movable suspension bracket 12 to above turn back and be connected with floor board for machine room or hoistway roof 34.The structure of other structure and Fig. 1～shown in Figure 4 is identical.
In this structure, when car 2 begins to rise from state as shown in Figure 5, that car 2 is positioned at the hoistway pars intermedia, travelling bridge 12 also rises in linkage with it, but because travelling bridge 12 is to have as baudrier suspentions in 2: 1 of the pulley 33 of movable pulley, so the rising or falling speed of travelling bridge 12 and miles of relative movement are the rising or falling speed of car 2 and half of miles of relative movement.Therefore, as shown in Figure 6, when car 2 arrives the maximum height (L * 4/4) of miles of relative movement L of the superiors or car 2, fixedly suspension bracket 10 is in original height (L * 2/4) and is mobile, thereby travelling bridge 12 rises 3/4 the height (L * 3/4) that 1/4 amount of the miles of relative movement that is equivalent to car 2 rises to the hoistway overall height from original position.Also be the same when car 2 descends, as shown in Figure 7 when car 2 is in the minimum altitude (0) of miles of relative movement L, travelling bridge 12 becomes the state that drops to 1/4 height (L * 1/4) of hoistway overall height with the speed of half of car 2 and miles of relative movement.
In this elevator, the suspended length that also can make control cables 5 is reduced to 1/2 with respect to the miles of relative movement of car 2, can make the weight saving of control cables 5, can reduce to act on the partial load of car 2, can increase the degree of freedom of suspension point.In addition, the species number of control cables can be reduced, the stability of the action behavior of control cables 5 can be improved.
In elevator shown in Figure 8, travelling bridge device 11 also has the middle travelling bridge 35 as the second travelling bridge except the travelling bridge 12 with conduct first travelling bridge that is connected with cage side cable section 5a identical with the structure of Fig. 1～shown in Figure 5.Namely, travelling bridge device 11 comprises: travelling bridge 12, it is connected with cage side cable section 5a, this cage side cable section 5a and control cables 5 one distolateral be that car 2 sides are connected; And middle travelling bridge 35, it is connected with hoistway side cable section 5b, another of this hoistway side cable section 5b and control cables 5 is distolateral to be that well enclosure 4 sides are connected, control cables 5 comprises intermediate cable part 5c, and this intermediate cable part 5c is connected with each other travelling bridge 12 and middle travelling bridge 35.
About the travelling bridge 12 as the first travelling bridge, the same with Fig. 3 and structure shown in Figure 4, its the guide rail 13 that is installed on well enclosure 4 slide and with in linkage lifting of towing machine 7, observe if project on the horizontal plane, with the direction of cage side cable section 5a from right angles converting the direction parallel with well enclosure 4 to the vertical direction of well enclosure 4.Middle travelling bridge 35 as the second travelling bridge is also driven by the actuating device 14 with towing machine 7 interlocks, and carry out slidably lifting on the guide rail 13 that is installed on well enclosure 4, but the direction of intermediate cable part 5c on horizontal plane of stretching out from travelling bridge 12 is not converted.Therefore, in middle travelling bridge 35, be not set the first round 28 with axle 27 vertical with well enclosure 4 among Fig. 3 and Fig. 4, have second of the axle 29 parallel with well enclosure 4 and take turns 30 but be set side by side with two.
In this elevator, the suspended length that also can make control cables 5 reduces with respect to the miles of relative movement of car 2, can make the weight saving of control cables 5, can reduce to act on the partial load of car 2, can increase the degree of freedom of suspension point.In addition, the species number of control cables can be reduced, the stability of the action behavior of control cables 5 can be improved.This elevator is specially adapted to the high-rise of the long high-stroke of miles of relative movement.
In the elevator of Fig. 9, the travelling bridge 12 of travelling bridge device 11 is suspended with 2: 1 baudriers that used the pulley 33 identical with pulley shown in Figure 5 33, middle travelling bridge 35 has the pulley 33 based on 2: 1 baudriers equally, but this pulley 33 is supported by 2: 1 baudriers with second pulley 36, thereby this second pulley 36 is stretched out from actuating device 14 and is fastened on rope 16 on the hoistway roof around hanging supported movable pulley.
In this elevator, the suspended length that also can make control cables 5 reduces with respect to the miles of relative movement of car 2, can make the weight saving of control cables 5, can reduce to act on the partial load of car 2, can increase the degree of freedom of suspension point.In addition, the species number of control cables can be reduced, the stability of the action behavior of control cables 5 can be improved.This elevator is specially adapted to the high-rise of the long high-stroke of miles of relative movement.
The device that illustrates in the above and illustrate only is example, can carry out various distortion, also the feature of each concrete example all or optionally can be combined in addition and use.For example, when in control cables 5, not having in the situation of line feeder, can by with control cables 5 around hanging on the cylinder parts such as the wheel that is arranged at travelling bridge 12 or cylinder and utilizing that binding clasp etc. is fastening to be remained on this control cables 5 on the travelling bridge 12.In addition, travelling bridge 12 is not had the extending direction of control cables 5 on horizontal plane changed 90 ° function at travelling bridge 12, but the annulus of the U font by reversing cage side cable section 5a for example changes over the right angle.In addition, the quantity of middle travelling bridge also can be more than two.
Utilizability on the industry
The present invention can be used in elevator.
Claims (8)
1. elevator, this elevator comprises:
Car, it moves along well enclosure;
The car actuating device, it moves above-mentioned car; And
Control cables, the one end is connected with above-mentioned well enclosure, and the other end is connected with above-mentioned car,
Above-mentioned elevator is characterised in that,
Above-mentioned elevator has the travelling bridge device, this travelling bridge device supports above-mentioned control cables between the above-mentioned end of above-mentioned control cables and the above-mentioned other end, and above-mentioned travelling bridge device is supported for can lifting in hoistway, and lifting is carried out in the lifting of above-mentioned travelling bridge device and above-mentioned car accordingly, and the lifting distance of above-mentioned travelling bridge device is shorter than the miles of relative movement of above-mentioned car
Above-mentioned travelling bridge device comprises:
Travelling bridge, it is connected with above-mentioned control cables;
Guide rail, it supports to above-mentioned travelling bridge can lifting in above-mentioned hoistway (1); And
Actuating device, it makes above-mentioned travelling bridge move along above-mentioned guide rail.
2. elevator according to claim 1 is characterized in that,
Above-mentioned control cables has cage side cable section, intermediate cable part and hoistway side cable section,
Above-mentioned travelling bridge device also comprises middle travelling bridge except above-mentioned travelling bridge,
One end of above-mentioned hoistway side cable section is connected with above-mentioned well enclosure, and the other end of above-mentioned hoistway side cable section is connected with above-mentioned travelling bridge,
One end of above-mentioned intermediate cable part is connected with above-mentioned travelling bridge, and the other end of above-mentioned intermediate cable part is connected with above-mentioned middle travelling bridge,
One end of above-mentioned cage side cable section is connected with above-mentioned middle travelling bridge, and the other end of above-mentioned cage side cable section is connected with above-mentioned car.
3. elevator according to claim 1 is characterized in that,
Above-mentioned actuating device and the towing machine interlock that drives above-mentioned car.
4. each described elevator in 3 according to claim 1 is characterized in that,
Above-mentioned actuating device comprises: with the towing machine that drives above-mentioned car driven traction rope sheave in linkage; And the rope that is connected in above-mentioned traction rope sheave and above-mentioned travelling bridge.
5. elevator according to claim 4 is characterized in that,
Above-mentioned traction rope sheave is driven by above-mentioned towing machine.
6. elevator according to claim 4 is characterized in that,
Above-mentioned traction rope sheave is by the direct motor drive different from above-mentioned towing machine.
7. elevator according to claim 4 is characterized in that,
Above-mentioned rope is to carry out around extension with direct coupled 1: 1 baudrier of above-mentioned traction rope sheave.
8. elevator according to claim 4 is characterized in that,
Above-mentioned rope is to carry out around extension with 2: 1 baudriers that above-mentioned traction rope sheave is connected via pulley.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-170265 | 2009-07-21 | ||
| JP2009170265A JP2011026022A (en) | 2009-07-21 | 2009-07-21 | Elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101962146A CN101962146A (en) | 2011-02-02 |
| CN101962146B true CN101962146B (en) | 2013-03-20 |
Family
ID=43515240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910205399 Expired - Fee Related CN101962146B (en) | 2009-07-21 | 2009-10-23 | Elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011026022A (en) |
| CN (1) | CN101962146B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013129493A (en) * | 2011-12-21 | 2013-07-04 | Hitachi Ltd | Moving cable apparatus for elevator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1810960A (en) * | 1930-10-22 | 1931-06-23 | Otis Elevator Co | Elevator construction |
| CN2795170Y (en) * | 2005-06-07 | 2006-07-12 | 南通海迅实业有限公司 | Lift balance compensation cable hanging device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4722534Y1 (en) * | 1968-01-11 | 1972-07-21 | ||
| JPH10182034A (en) * | 1996-12-19 | 1998-07-07 | Mitsubishi Electric Corp | Traveling cable device for elevator |
-
2009
- 2009-07-21 JP JP2009170265A patent/JP2011026022A/en active Pending
- 2009-10-23 CN CN 200910205399 patent/CN101962146B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1810960A (en) * | 1930-10-22 | 1931-06-23 | Otis Elevator Co | Elevator construction |
| CN2795170Y (en) * | 2005-06-07 | 2006-07-12 | 南通海迅实业有限公司 | Lift balance compensation cable hanging device |
Non-Patent Citations (3)
| Title |
|---|
| JP平3-13478A 1991.01.22 |
| JP平3-26681A 1991.02.05 |
| JP特开平7-315721A 1995.12.05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011026022A (en) | 2011-02-10 |
| CN101962146A (en) | 2011-02-02 |
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Granted publication date: 20130320 Termination date: 20131023 |