EP0705217A1 - Drive system for a curved escalator - Google Patents
Drive system for a curved escalatorInfo
- Publication number
- EP0705217A1 EP0705217A1 EP94928861A EP94928861A EP0705217A1 EP 0705217 A1 EP0705217 A1 EP 0705217A1 EP 94928861 A EP94928861 A EP 94928861A EP 94928861 A EP94928861 A EP 94928861A EP 0705217 A1 EP0705217 A1 EP 0705217A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive system
- drive
- rollers
- brackets
- chains
- 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
Links
- 230000007704 transition Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B21/00—Kinds or types of escalators or moving walkways
- B66B21/02—Escalators
- B66B21/06—Escalators spiral type
Definitions
- the invention relates to a drive system for a curved escalator with a helically arranged in the vertical direction frame, the upper having a transport section for sektorför cross-sectional strength by steps, a chain wheels and lower turning section in Verbin ⁇ tion with at least one drive and return tracks includes the steps, the hinged on the side in their edge regions, ⁇ lorlaschen chains formed by a plurality of mutually parallel, from indoor and outdoor drivable and are each tread in jewei ⁇ then the edge region has a lamp equipped with a roller shaft portion and a spaced-apart drag roller on the associated Roll guideways, at least one of the respective end regions of the individual tabs and / or the associated axle section being provided with a bushing containing a spherical bearing.
- a roller chain is provided on both sides of the steps, each step having a step axis connecting the roller chains.
- the connecting links of the chain formed from link plates are connected via the free end sections of each step axis to the step axes or to one another adjacent to the step axis only by two spherical joints.
- the cylindrical outer surface of the spherical joint which connects the connecting links to one another has essentially the same size as the rollers of the step chain, in such a way that the cylindrical outer surface can interact with the chain wheel like a roller of the step chain.
- the drive chains for curved escalators are guided on a helically arranged path, the rollers rolling on corresponding guideways.
- the number includes a plurality of ⁇ provided with step axles stages through staged chains are connected.
- Carrier rollers are rotatably mounted on the step axes, and guide rollers running on guide rails are also provided which rotate about an axis perpendicular to the step axes.
- the guide rollers are only provided at the outer end of the stepped axes.
- In conical arrangement of occupied ⁇ ren and external gears having different diameters in the deflection are inclined bottom surfaces of the teeth at an angle relative to the horizontal ⁇ .
- the step chains are connected by a first link connected with the step axle and by means of a second connecting member which is adjacent to the first link at ⁇ three-dimensionally deflected.
- the Be Farming due to the differences in diameter of the sprockets in the Umlenkbe ⁇ rich occurring speed differences of the step chains ⁇ ken an opposite displacement of the step chains, especially in the turning areas, through which considerable forces arise.
- the object of the invention is to overcome the disadvantages of the St.d.T. to overcome and further develop the drive system so that a transition as free of constraint as possible, in particular in the transition and deflection areas of the curved escalator, can be realized.
- both end regions of the individual inner plates are provided with bushings containing spherical bearings, and in that the respective roller also having a spherical bearing is mounted on the one hand between parallel inner plates in the area of the associated axle section and on the other hand between each of the spherical bearing having sockets of the respective Endbe ⁇ rich of the inner plates is arranged.
- each roller is provided on the one hand between the inner plates and the other equipped with a spherical bearing, in addition to a reduction of the installation space also greatly verbes ⁇ serte mobility of the entire components is brought about each other, so that in particular in the transition and deflecting the Bogenrolltrep ⁇ pe the undesirable deformations and constraints here optimallyavailablegli ⁇ surfaces can be, without being able to gen to increased friction and / or Verformun ⁇ or come damage to the corresponding components.
- the respective shaft portion through the roller towards ⁇ protrudes through and ends in the wall region of the frame outer areas facing the inner link plate without their end face to pass through, where it is then beispiels ⁇ as fixed by a snap ring as needed flush with the end face of the inner plate.
- a supporting element for receiving upper and lower guide rollers can be provided in the region of this inner link plate without influencing the mobility of the respective axle section.
- the Trag ⁇ element can be a separate body, which is detachably connected to the associated tab or can be formed by lugs, which when producing the tabs, for example by punching, formed directly attached thereto ⁇ and are bent in a further operation.
- a drive system in which the respective turning section of the curved escalator is formed by two spaced-apart chain wheels, each of which can be connected to one another by a shaft is provided on the outer periphery for deflecting the chains with a plurality of the sockets receiving rounded recesses beinhal ⁇ tet function of the chain pitch to receive and guide the interim ⁇ rule the sockets arranged roller in the region of the respective Ket ⁇ tenrades a further recess whose pitch circle diameter is smaller than that of the bushings.
- Such a drive system comprises one of the turn portions further in the range minde ⁇ least a drive whose drive shaft receives the sprockets, wherein one of the chain wheels, in particular with the smaller diameter, in the circumferential direction relative to the other Ket ⁇ is tenrad adjustable.
- This can be done, for example, through elongated holes into which bolts of the drive shaft protrude.
- the angular displacement of one relative to the other chain wheel is in this case dependent on the diameter of the through ⁇ sprockets as well as the different speeds of the inner and outer chain predictable and adjustable.
- the sprockets of the non-driven turning section are freely rotatable on their shaft.
- driver elements are provided in the area of the chain wheels which serve to receive and guide the drag rollers provided in the area of the treads. This measure causes the respective steps to be guided in the deflection area, which increases safety when the steps are inclined.
- the driver elements can be individual elements which, after the envelopes have been determined, are produced in the course of the rotation of the trailing roller axis and are provided in the region of the chain wheels.
- the driver elements for example as grooves, in separate disks to bring, which are then placed on the shafts and connected to the sprockets.
- FIG. 1 - partial perspective view of a drive chain belonging to the drive system
- Figure 8 Representation of a drive plate for the towing rollers of the steps.
- FIG. 1 shows a schematic diagram of an arched escalator 1 which essentially comprises the following components: a base 2 which is helical in the vertical direction and which forms the frame for the arched escalator 1 and accommodates the essential drive elements, frame outer sides 2a, 2b, an analog to helically formed balustrade 3 together with handrails 4 and steps 5, the transport portion 6, an upper and a lower turning section 7.8 and return tracks 9 indicated in the field of the coil for only be ⁇ drive chains 10 form.
- a base 2 which is helical in the vertical direction and which forms the frame for the arched escalator 1 and accommodates the essential drive elements
- frame outer sides 2a, 2b an analog to helically formed balustrade 3 together with handrails 4 and steps 5
- the transport portion 6 an upper and a lower turning section 7.8 and return tracks 9 indicated in the field of the coil for only be ⁇ drive chains 10 form.
- FIG. 2 shows a perspective partial view of a drive chain 10 which consists of a plurality of interconnected inner plates 11 and outer plates 12 which are connected to one another in their end regions by means of bolts 13 are connected.
- the bolts 13 are surrounded by a bush 14 in the area of the inner plates 11, a spherical bearing 15 extending between the bolts 13 and bush 14.
- a running roller 17 the interim ⁇ rule the spaced inner plates 11 is disposed, wherein the Achsab ⁇ section 16 on the one hand by the inner link plate 11 and the roller 17 towards ⁇ projects through and on the other hand in the wall portion 18, the inner strap 11 ends, where it is fixed, for example by a not shown further here ⁇ snap ring.
- Each roller 17 includes analogous to the pin 13 is also a spherical bearing 19, so that an optimum movability Jardinbe ⁇ this drive chain 10 is adjusted.
- a support element 21 is provided, which is detachably connected to the associated inner flap 11.
- the support element 21 serves to receive upper and lower guide rollers 22, 23, which are provided for reducing external forces and roll on guide profiles (not shown here).
- FIGS. 3 and 4 show a partial area of the drive chain 10 according to FIG. 2 on the one hand as a side view and on the other hand as a top view.
- the inner plates 11 and the outer plates 12, the bolts 13 and the bushings 14 surrounding them, together with spherical bearings 15, can be seen roller 17, the shaft portion 16 which extends into the region of an only indicated tread 5 together with the idle roll 5 1 into it, the supporting element 21 and the guide rollers 22,23, the management means of a pin 24 in the Tragele ⁇ are attached 21st
- the end face 25 of the axle section 16 ends in the wall area 18 of the respective inner link 11 without passing through the end face 20 there and is fixed there in this area by means of a snap ring 35.
- FIG. 5 shows, as a further component of the drive system according to the invention, a sprocket 26 provided in the respective turning section.
- the run-up area, the link chain 10 not shown here is indicated by dash-dotted lines.
- the diameter of the bushings 14 is on the circumference 27 of the chain wheel 26 adapted recesses 28, 29 are arranged, the dashed area 30 representing the pitch circle of the bush axis 36.
- a deeper recess 31 is provided between the recesses 28, 29 and serves to receive the roller 17, the pitch circle 32 of which has a smaller radius than that 30 of the bush axis 36.
- FIG. 6 shows a schematic diagram of a turning section 7 which contains two chain wheels 26, 26 'with different diameters, which are connected to one another by a shaft 37.
- the recesses 31 for receiving the rollers 17, which are held between the inner plates 11, can be seen.
- the smaller inner sprocket 26' runs 10-15% faster than the outer 26 depending on the diameter difference.
- the distance a 'of the shaft 37 is also greater than the distance a es at the same big sprockets would be. Since the chains 10 should not run obliquely but straight on the associated chain wheel 26, 26 ', these parameters must also be taken into account, which is illustrated in FIG. 7.
- FIG. 7 shows the arrangement of an outer and an inner sprocket 26, 26 '.
- the drive axle 38 which is only indicated here, is provided in the region of the smaller sprocket 26 'with bolts 33 which are guided in elongated holes 34 of the smaller sprocket 26', so that the bow is put into operation before being put into operation ⁇ escalator an optimal setting of the two sprockets 26,26 'can be brought to each other, and the chains (not shown) can run straight and straight onto the sprockets 26,26'.
- the respective angle of rotation alpha is dependent on the diameter difference of the chain wheels 26, 26 'and the length difference of the distances a, a' according to FIG. 6.
- FIG. 8 shows a driving disk 39 for the towing rollers of the treads 5, which are not shown here, which can be placed, for example, on the drive axle 38 and connected to the associated chain wheel 26, 26 '(not shown).
- driving plate 39 In the driving plate 39 are driving introduced elements 40 in the form of grooves, which correspond to the rolling geometry of the towing rollers when the treads 5 rotate around the chain wheels 26, 26 'in the region of the respective turning section.
Landscapes
- Escalators And Moving Walkways (AREA)
- Structure Of Belt Conveyors (AREA)
- Ladders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4334449 | 1993-10-09 | ||
DE4334449 | 1993-10-09 | ||
DE4336320A DE4336320C1 (en) | 1993-10-09 | 1993-10-25 | Drive system for a curved escalator |
DE4336320 | 1993-10-25 | ||
PCT/EP1994/003291 WO1995010477A1 (en) | 1993-10-09 | 1994-10-05 | Drive system for a curved escalator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0705217A1 true EP0705217A1 (en) | 1996-04-10 |
EP0705217B1 EP0705217B1 (en) | 1997-01-02 |
Family
ID=25930296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94928861A Expired - Lifetime EP0705217B1 (en) | 1993-10-09 | 1994-10-05 | Drive system for a curved escalator |
Country Status (12)
Country | Link |
---|---|
US (1) | US5775477A (en) |
EP (1) | EP0705217B1 (en) |
JP (1) | JPH09500857A (en) |
CN (1) | CN1038244C (en) |
AT (1) | ATE147056T1 (en) |
BR (1) | BR9407776A (en) |
CZ (1) | CZ176195A3 (en) |
ES (1) | ES2100088T3 (en) |
HU (1) | HUT74651A (en) |
RU (1) | RU2109673C1 (en) |
SK (1) | SK110495A3 (en) |
WO (1) | WO1995010477A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10063844B4 (en) * | 2000-12-21 | 2004-07-22 | Kone Corp. | Drive system for escalators and moving walks |
DE10138462B4 (en) * | 2001-08-04 | 2004-09-30 | Kone Corp. | Method for guiding link chains in the area of deflection devices of a passenger conveyor system |
JP2006052052A (en) * | 2004-08-11 | 2006-02-23 | Toshiba Elevator Co Ltd | Passenger conveyor |
JP5176223B2 (en) * | 2006-07-04 | 2013-04-03 | インベンテイオ・アクテイエンゲゼルシヤフト | Driving system for passenger transport equipment |
ES2573674T3 (en) * | 2006-12-21 | 2016-06-09 | Inventio Ag | Drive system for a sliding chain translation device |
US8701861B2 (en) | 2009-10-16 | 2014-04-22 | Otis Elevator Company | Passenger conveyor with movable lateral panel members |
CN101891104B (en) * | 2010-07-30 | 2013-06-12 | 江南嘉捷电梯股份有限公司 | Structure for setting pedal chain and chain wheel on escalator or passenger conveyor |
CN103359596A (en) * | 2012-04-10 | 2013-10-23 | 通力股份公司 | Pedal chain, chain wheel and moving sidewalk for conveyance system |
TWI612241B (en) * | 2012-12-07 | 2018-01-21 | 伊文修股份有限公司 | Escalator with a step belt, and moving walkway with a plate belt |
US10858221B2 (en) * | 2018-12-19 | 2020-12-08 | Otis Elevator Company | People conveyor drive and people conveyor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE628965C (en) * | 1930-10-16 | 1936-04-20 | Carl Flohr A G | Chain drive for spiral stairs with movable steps |
JPS5974881A (en) * | 1982-10-19 | 1984-04-27 | 三菱電機株式会社 | Curve escalator |
JPS59140262U (en) * | 1983-03-11 | 1984-09-19 | 三菱電機株式会社 | curved escalator |
DE3432961C2 (en) * | 1983-09-12 | 1987-04-02 | Mitsubishi Denki K.K., Tokio/Tokyo | Curved escalator |
KR890004008Y1 (en) * | 1983-09-19 | 1989-06-15 | 미쓰비시전기 주식회사 | Curve escalator |
DE3441845A1 (en) * | 1983-11-17 | 1985-06-13 | Mitsubishi Denki K.K., Tokio/Tokyo | ARC ROLLER STAIRS WITH SEGMENT LEVELS |
US4930622A (en) * | 1989-03-27 | 1990-06-05 | Otis Elevator Company | Curved escalator with fixed center constant radius path of travel |
US4895239A (en) * | 1989-03-27 | 1990-01-23 | Otis Elevator Company | Curved escalator with fixed center constant radius path of travel |
US4884673A (en) * | 1989-03-27 | 1989-12-05 | Otis Elevator Company | Curved escalator with fixed center constant radius path of travel |
US5094335A (en) * | 1991-09-11 | 1992-03-10 | Otis Elevator Company | Step chain roller for curved escalator |
-
1994
- 1994-10-05 WO PCT/EP1994/003291 patent/WO1995010477A1/en not_active Application Discontinuation
- 1994-10-05 CN CN94194423A patent/CN1038244C/en not_active Expired - Fee Related
- 1994-10-05 CZ CZ951761A patent/CZ176195A3/en unknown
- 1994-10-05 AT AT94928861T patent/ATE147056T1/en not_active IP Right Cessation
- 1994-10-05 RU RU96108802A patent/RU2109673C1/en active
- 1994-10-05 HU HU9600913A patent/HUT74651A/en unknown
- 1994-10-05 US US08/633,824 patent/US5775477A/en not_active Expired - Fee Related
- 1994-10-05 SK SK1104-95A patent/SK110495A3/en unknown
- 1994-10-05 JP JP7511242A patent/JPH09500857A/en active Pending
- 1994-10-05 BR BR9407776A patent/BR9407776A/en not_active Application Discontinuation
- 1994-10-05 ES ES94928861T patent/ES2100088T3/en not_active Expired - Lifetime
- 1994-10-05 EP EP94928861A patent/EP0705217B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9510477A1 * |
Also Published As
Publication number | Publication date |
---|---|
CZ176195A3 (en) | 1996-01-17 |
HUT74651A (en) | 1997-01-28 |
CN1136797A (en) | 1996-11-27 |
JPH09500857A (en) | 1997-01-28 |
RU2109673C1 (en) | 1998-04-27 |
BR9407776A (en) | 1997-03-18 |
WO1995010477A1 (en) | 1995-04-20 |
US5775477A (en) | 1998-07-07 |
HU9600913D0 (en) | 1996-06-28 |
CN1038244C (en) | 1998-05-06 |
ATE147056T1 (en) | 1997-01-15 |
EP0705217B1 (en) | 1997-01-02 |
SK110495A3 (en) | 1996-05-08 |
ES2100088T3 (en) | 1997-06-01 |
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