EP1860054B1 - Elevator with carrier and traction means - Google Patents
Elevator with carrier and traction means Download PDFInfo
- Publication number
- EP1860054B1 EP1860054B1 EP20070107272 EP07107272A EP1860054B1 EP 1860054 B1 EP1860054 B1 EP 1860054B1 EP 20070107272 EP20070107272 EP 20070107272 EP 07107272 A EP07107272 A EP 07107272A EP 1860054 B1 EP1860054 B1 EP 1860054B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- counterweight
- traction
- propellant
- elevator
- lift
- 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.)
- Active
Links
- 239000003380 propellant Substances 0.000 description 41
- 239000000725 suspension Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000012209 synthetic fiber Substances 0.000 description 6
- 229920002994 synthetic fiber Polymers 0.000 description 6
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 description 5
- 229940126543 compound 14 Drugs 0.000 description 5
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B66B11/009—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave with separate traction and suspension ropes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
- B66B7/085—Belt termination devices
Definitions
- the invention relates to an elevator with an elevator car movable in an elevator car and a counterweight movable in the elevator shaft, wherein the elevator car and counterweight are connected by means of at least one suspension means and by means of at least one propellant movable up and down, wherein the propellant passed through a drivable drive unit by means of drive pulley is according to the definition of the independent claim.
- an elevator has become known in which the elevator car is connected to the counterweight by means of deflection rollers guided suspension means. Moves up and down the elevator car or the counterweight by means of a separate from the support means propellant which engages at one end at the upper end of the counterweight, is guided over an upper and lower pulley and the other end engages the lower end of the counterweight.
- the propellant may also attack the elevator car instead of the counterweight.
- a drive unit drives the propellant.
- Another example is the EP-A-1367017 known.
- a disadvantage of the known devices is that an additional propellant is provided which drives propellant of the counterweight and the elevator car.
- the invention aims to remedy this situation.
- the invention as characterized in claim 1 solves the problem of avoiding the disadvantages of the known device and to provide an elevator device in which the suspension means and propellant are separated and only a propellant is provided.
- For the drive part is a modern propellant as mentioned above and used for the clamping part of a conventional steel cable. This combines the advantages of modern propellants with the advantages of conventional steel cables on a lift. Another advantage is that with the use of modern propellant the entire drive unit can be made smaller.
- an elevator cage and a counterweight are connected by means of at least one suspension element and are moved up and down by means of at least one propellant, wherein the propellant is guided via a traction sheave drivable by means of a drive unit and the propellant consists of a drive part and a clamping part, wherein the parts are different.
- Fig. 1 shows an elevator with a 1: 1 suspension and propellant course.
- An elevator car 2 which can be moved in an elevator shaft 1 is connected to a counterweight 4 by means of at least one suspension element 3. Elevator car 2 and counterweight 4 are guided by means not shown guide rails.
- a first guide roller 5 and a second guide roller 6 ensure the necessary cable strand spacing SA between elevator car 2 and counterweight 4.
- suspension means 3 are conventional steel cables for lifts, belts (for example flat belts or V-ribbed belts), synthetic fiber ropes (for example aramid ropes), double ropes made of synthetic fibers or jacketed steel ropes intended. Shown is merely a support means 3. However, it can also be provided a plurality of parallel guided support means 3.
- the elevator car 2 or the counterweight 4 is moved up and down by means of at least one separate from the support means 3 propellant 7.
- the propellant 7 engages at one end at the upper end of the counterweight 4, is guided over a traction sheave 8 and a third guide roller 9 and engages the other end at the lower end of the counterweight 4.
- a drive unit 10 drives the traction sheave.
- the third deflection roller 9 is arranged in a shaft pit 11.
- the propellant 7 consists of a driving part 12 and a clamping part 13, wherein the parts 12,13 are different in construction and are connected by means of a propellant compound 14.
- the drive member 12 engages one end at the upper end of the counterweight 4, is guided over the traction sheave 8 and the other end connected to the propellant compound 14.
- the clamping part 13 is at one end connected to the propellant compound 14 is guided over the third guide roller 9 and engages the other end at the lower end of the counterweight 4.
- belts for example flat belts or V-ribbed belts
- synthetic fiber ropes for example aramid ropes
- double ropes for example two synthetic fiber ropes with a common jacket
- jacketed steel ropes are provided.
- As a clamping part 13 conventional steel cables for lifts are provided.
- the cost of the driving part 12 is about ten times higher than the cost of the clamping part 13, which affects the manufacturing costs for the entire elevator.
- the propellant 7 also attack on the elevator car 2 instead of the counterweight 4.
- Structure and mode of operation corresponds to the device according to Fig. 1 ,
- Fig. 3 shows a machine room-less elevator with support means 3 and the counterweight 4 attacking propellant 7. Construction and operation corresponds to the device according to Fig. 1 , Drive unit 8 and pulleys 5.6 can instead be arranged on a shaft ceiling 15 on the guide rails, not shown.
- Fig. 4 shows an elevator with a 2: 1 suspension element course and a 1: 1 propellant course.
- One and the other End of the suspension element 3 is ever moored to a rope fixation point, not shown.
- the support means 3 is guided via a deflection roller on the elevator car 2 and a deflection roller on the counterweight 4.
- the forces in the suspension element 3 are halved in the shown 2: 1 suspension element course.
- Structure and operation of the propellant 7 corresponds to the device according to Fig. 1 ,
- the driving part 12 wraps around at least one arranged in a housing 20 first wedge 21, wherein the dividing end 22 is fastened by means of first brackets 23 on the drive part.
- the drive part 12 consists of a belt.
- the clamping part 13 wraps around at least one housing arranged in the second wedge 24, wherein the dividing end 25 is fastened by means of second clamps 26 on the clamping part 13.
- the clamping part 13 consists of two cables.
- an opening 27 is provided, through which a double strap 2 can be inserted.
- the double strap 28 can be detachably connected to the housing 20 by means of at least one screw 29.
- the double strap 28 has tabs 30 with spring properties, which prevent the wedges 21, 24 from falling out of the housing 20.
- the drive unit can be arranged in the shaft pit or laterally of the shaft pit.
- the traction sheave is provided and instead of the traction sheave, the third deflection roller is provided.
- the clamping part of the drive part and vice versa is provided.
- a compensation cable between the elevator car and the counterweight be provided.
- Fig. 7 shows a double rope 40 as a driving part 12.
- the double rope 40 consists of a first rope 41 and a second cable 42, the cables 41,42 are surrounded by a common jacket 43, wherein the jacket 43 between the ropes 41,42 a constriction 44 and a web 44 has.
- Each rope 41,42 consists of several strands 45, which consist of several synthetic fibers, not shown. The strands 45 are twisted against each other, wherein the twisting direction of the first cable 41 is opposite to the twisting direction of the second cable 42, which causes a neutralization of the Entdrill mechanism in the web 44.
- the surface of the traction sheave 8 or the housing 20 and the first wedge 21 of the propellant compound 14 for receiving the double cable 40 are formed in accordance with the cross-section of the cross-section shown hatched.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Description
Die Erfindung betrifft einen Aufzug mit einer in einem Aufzugsschacht verfahrbaren Aufzugskabine und einem im Aufzugsschacht verfahrbaren Gegengewicht, wobei Aufzugskabine und Gegengewicht mittels mindestens eines Tragmittels verbunden sind und mittels mindestens eines Treibmittels auf und ab bewegbar sind, wobei das Treibmittel über eine mittels Antriebseinheit antreibbare Treibscheibe geführt ist gemäss der Definition des unabhängigen Patentanspruchs.The invention relates to an elevator with an elevator car movable in an elevator car and a counterweight movable in the elevator shaft, wherein the elevator car and counterweight are connected by means of at least one suspension means and by means of at least one propellant movable up and down, wherein the propellant passed through a drivable drive unit by means of drive pulley is according to the definition of the independent claim.
Aus der Patentschrift
Ein weiteres Beispiel ist der
Ein Nachteil der bekannten Einrichtungen liegt darin, dass ein zusätzliches Treibmittel vorgesehen ist, das Treibmittel des Gegengewichtes und der Aufzugskabine antreibt.A disadvantage of the known devices is that an additional propellant is provided which drives propellant of the counterweight and the elevator car.
Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in Anspruch 1 gekennzeichnet ist, löst die Aufgabe, die Nachteile der bekannten Einrichtung zu vermeiden und eine Aufzugseinrichtung schaffen, bei der Tragmittel und Treibmittel getrennt sind und lediglich ein Treibmittel vorgesehen ist.The invention aims to remedy this situation. The invention, as characterized in
Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Patentansprüchen angegeben.Advantageous developments of the invention are specified in the dependent claims.
Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass mit der Verwendung von modernen Treibmitteln wie Riemen, Kunstfaserseilen (beispielsweise Aramidseile), Doppelseilen (beispielsweise zwei Kunstfaserseile mit einem gemeinsamen Mantel) oder ummantelten Stahlseilen Treibscheiben bzw. Umlenkrollen mit kleineren Durchmessern verwendbar sind, weil kleinere Biegeradien zulässig sind. Moderne Treibmittel sind allerdings teurer als herkömmliche Stahlseile. Mit der erfindungsgemässen Einrichtung ist es aber trotzdem möglich, insbesondere bei grossen Förderhöhen einen kostengünstigen Aufzug zu realisieren. Erreicht wird dies durch Aufteilung des Treibmittels in zwei Teile, nämlich in einen Treibteil und in einen Spannteil, wobei die beiden Teile mittels Schloss verbunden sind. Für den Treibteil wird ein modernes Treibmittel wie oben erwähnt und für den Spannteil ein herkömmliches Stahlseil verwendet. Damit können die Vorteile moderner Treibmittel und die Vorteile herkömmlicher Stahlseile auf einen Aufzug vereint werden. Weiter vorteilhaft ist, dass mit der Verwendung moderner Treibmittel die gesamte Antriebseinheit kleiner dimensioniert werden kann.The advantages achieved by the invention are essentially to be seen in that with the use of modern propellants such as belts, synthetic ropes (for example Aramidseile), double ropes (for example, two synthetic fiber cables with a common jacket) or jacketed steel ropes traction sheaves or pulleys with smaller diameters used are because smaller bending radii are allowed. Modern propellants, however, are more expensive than conventional steel cables. Nevertheless, with the device according to the invention, it is possible to realize a cost-effective elevator, in particular at high delivery heights. This is achieved by dividing the propellant in two parts, namely in a drive part and in a clamping part, wherein the two parts are connected by means of a lock. For the drive part is a modern propellant as mentioned above and used for the clamping part of a conventional steel cable. This combines the advantages of modern propellants with the advantages of conventional steel cables on a lift. Another advantage is that with the use of modern propellant the entire drive unit can be made smaller.
Bei der erfindungsgemässen Einrichtung ist eine Aufzugskabine und ein Gegengewicht mittels mindestens eines Tragmittels verbunden und werden mittels mindestens eines Treibmittels auf und ab bewegt, wobei das Treibmittel über eine mittels Antriebseinheit antreibbare Treibscheibe geführt ist und das Treibmittel aus einem Treibteil und aus einem Spannteil besteht, wobei die Teile verschiedenartig sind.In the device according to the invention, an elevator cage and a counterweight are connected by means of at least one suspension element and are moved up and down by means of at least one propellant, wherein the propellant is guided via a traction sheave drivable by means of a drive unit and the propellant consists of a drive part and a clamping part, wherein the parts are different.
Anhand der beiliegenden Figuren wird die vorliegende Erfindung näher erläutert.Reference to the accompanying figures, the present invention will be explained in more detail.
Es zeigen:
-
Fig. 1
einen Aufzug mit Tragmittel und an einem Gegengewicht angreifendem Treibmittel, -
Fig. 2
einen Aufzug mit Tragmittel und an einer Aufzugskabine angreifendem Treibmittel, -
Fig. 3 einen maschinenraumlosen Aufzug mit Tragmittel und an einem Gegengewicht angreifendem Treibmittel, -
Fig. 4
einen Aufzug mit einem 2:1 Tragmittelverlauf und einem 1:1 Treibmittelverlauf, -
Fig. 5 und Fig. 6
eine Treibmittelverbindung und -
Fig. 7
ein Doppelseil als Treibmittel.
-
Fig. 1
an elevator with suspension means and propellant acting on a counterweight, -
Fig. 2
an elevator with suspension means and propellant acting on an elevator car, -
Fig. 3 a machine room-less elevator with suspension means and propellant acting on a counterweight, -
Fig. 4
an elevator with a 2: 1 suspension element course and a 1: 1 propellant course, -
Fig. 5 and Fig. 6
a propellant compound and -
Fig. 7
a double rope as a propellant.
Die Aufzugskabine 2 bzw. das Gegengewicht 4 wird mittels mindestens eines vom Tragmittel 3 getrennten Treibmittels 7 auf und ab bewegt. Das Treibmittel 7 greift einenends am oberen Ende des Gegengewichts 4 an, ist über eine Treibscheibe 8 und über eine dritte Umlenkrolle 9 geführt und greift anderenends am unteren Ende des Gegengewichtes 4 an. Eine Antriebseinheit 10 treibt die Treibscheibe an. Die dritte Umlenkrolle 9 ist in einer Schachtgrube 11 angeordnet.The
Das Treibmittel 7 besteht aus einem Treibteil 12 und aus einem Spannteil 13, wobei die Teile 12,13 im Aufbau verschiedenartig sind und mittels einer Treibmittelverbindung 14 verbunden sind. Der Treibteil 12 greift einenends am oberen Ende des Gegengewichts 4 an, ist über die Treibscheibe 8 geführt und anderenends mit der Treibmittelverbindung 14 verbunden. Der Spannteil 13 ist einenends mit der Treibmittelverbindung 14 verbunden, ist über die dritte Umlenkrolle 9 geführt und greift anderenends am unteren Ende des Gegengewichtes 4 an.The
Als Treibteil 12 sind, Riemen (beispielsweise Flachriemen oder Keilrippenriemen), Kunstfaserseile (beispielsweise Aramidseile), Doppelseile (beispielsweise zwei Kunstfaserseile mit einem gemeinsamen Mantel) oder ummantelte Stahlseile vorgesehen. Dargestellt ist lediglich ein Treibmittel 7. Es können aber auch mehrere parallel geführte Treibmittel 7 vorgesehen sein. Als Spannteil 13 sind herkömmliche Stahlseile für Aufzüge vorgesehen. Die Kosten für den Treibteil 12 sind etwa zehn Mal höher als die Kosten für den Spannteil 13, was die Herstellungskosten für den gesamten Aufzug mitbeeinflusst.As the
Bei dem in
Wie in
In einer weiteren Ausführungsvariante kann die Antriebseinheit in der Schachtgrube oder seitlich der Schachtgrube angeordnet sein. Anstelle der dritten Umlenkrolle ist die Treibscheibe vorgesehen und anstelle der Treibscheibe ist die dritte Umlenkrolle vorgesehen. Anstelle des Spannteils ist der Treibteil und umgekehrt vorgesehen.In a further embodiment variant, the drive unit can be arranged in the shaft pit or laterally of the shaft pit. Instead of the third deflection roller, the traction sheave is provided and instead of the traction sheave, the third deflection roller is provided. Instead of the clamping part of the drive part and vice versa is provided.
Insbesondere bei Aufzugsanlagen mit grosser Förderhöhe kann ein Ausgleichsseil zwischen der Aufzugskabine und dem Gegengewicht vorgesehen sein.Especially in elevator systems with high head can a compensation cable between the elevator car and the counterweight be provided.
Entsprechend dem schraffiert gezeigten Mantelquerschnitt ist die Oberfläche der Treibscheibe 8 bzw. ist das Gehäuse 20 und der erste Keil 21 der Treibmittelverbindung 14 zur Aufnahme des Doppelseils 40 ausgebildet.The surface of the
Claims (4)
- Lift having a lift car (2) which can be moved in a lift shaft (1), and having a counterweight (4) which can be moved in the lift shaft (1), wherein the lift car (2) and counterweight (4) are connected by means of at least one carrier means (3) and can be moved up and down by means of at least one traction means (7), characterized in that the traction means (7) comprises:a traction part (12) which is guided over a traction pulley (8) which can be driven by means of a drive unit (10); anda tensioning part (13) which is guided over a deflection roller (9),wherein the traction part (12) and the tensioning part (13) act at one end on the lift car (2) or on the counterweight (4) and are connected at the other end to a traction-means connection (14), and wherein the parts (12, 13) are of different types.
- Lift according to Claim 1, characterized in that the traction part (12) acts at one end on the upper end of the counterweight (4) and is guided over the traction pulley (8), and is connected at the other end to the traction-means connection (14), and
in that the tensioning part (13) acts at one end on the lower end of the counterweight (4) and is connected at the other end to the traction-means connection (14). - Lift according to Claim 1 or 2, characterized in that the traction-means connection (14) has a housing (20), in which at least one wedge (21) for fixing the traction part (12) and at least one wedge (24) for fixing the tensioning part (13) are provided.
- Lift according to Claim 3, characterized in that a double shackle (28) which can be inserted via an opening (27) of the housing (20) is provided for fixing the wedges (21, 24).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070107272 EP1860054B1 (en) | 2006-05-03 | 2007-05-01 | Elevator with carrier and traction means |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06113439 | 2006-05-03 | ||
EP20070107272 EP1860054B1 (en) | 2006-05-03 | 2007-05-01 | Elevator with carrier and traction means |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1860054A1 EP1860054A1 (en) | 2007-11-28 |
EP1860054B1 true EP1860054B1 (en) | 2013-04-17 |
Family
ID=38621827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20070107272 Active EP1860054B1 (en) | 2006-05-03 | 2007-05-01 | Elevator with carrier and traction means |
Country Status (1)
Country | Link |
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EP (1) | EP1860054B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5846436B2 (en) * | 1978-06-29 | 1983-10-17 | フジテツク株式会社 | lift device |
DE60142257D1 (en) * | 2001-03-08 | 2010-07-08 | Mitsubishi Electric Corp | LIFT |
DE10333847A1 (en) * | 2003-05-12 | 2004-12-30 | Süther & Schön GmbH | Rope lock for use in elevator or crane, has screwable fastener arranged over key inside lock case to secure key and/or rope end in desired position |
ZA200506660B (en) * | 2004-09-13 | 2006-05-31 | Inventio Ag | Belt end connection for fastening a belt end in a lift installation and method for protecting and checking a belt end connection in a lift installation |
-
2007
- 2007-05-01 EP EP20070107272 patent/EP1860054B1/en active Active
Also Published As
Publication number | Publication date |
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EP1860054A1 (en) | 2007-11-28 |
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