DE102022122930A1 - Elevator system with installation aid for a drive unit that can be arranged above the track and corresponding installation method - Google Patents

Abstract

The present invention relates to an elevator system with a drive unit that can be arranged above the travel path for the axial displacement of at least one elevator car along the travel path, the elevator system in the area of the shaft head having a machine bearing arranged laterally offset from the travel path for arranging the drive unit in the intended installation position above the travel path and laterally offset from the travel path, wherein the elevator system in the area of the shaft head has a plurality of lifting devices for lifting the drive unit above the travel path at least to the installation height; wherein the machine bearing has at least one laterally displaceable installation aid device set up and arranged for intermediate storage of the drive unit in a lateral intermediate position laterally next to the intended installation position. Furthermore, the present invention relates to a corresponding installation method. The invention facilitates the installation of the drive unit, especially when there is unfavorable space at the head of the shaft.

Description

Technical area

The present invention relates to an elevator system with a drive unit that can be arranged above the travel path for the axial displacement of at least one elevator car along the travel path, the elevator system in the area of the shaft head having a machine bearing arranged laterally offset from the travel path for arranging the drive unit in the intended installation position above the travel path, wherein the elevator system in the area of the shaft head has a plurality of lifting devices for lifting the drive unit above the travel path at least to the installation height or even beyond the installation height. Furthermore, the present invention relates to a corresponding installation method for mounting the drive unit in the intended position.

Background of the invention

When installing a drive unit of an elevator system at the top in the area of the head of an elevator shaft, a major challenge is to arrange the comparatively massive and voluminous drive unit with limited space between the shaft head and a machine bearing (or machine frame or base plate for the drive unit) that permanently supports the drive unit. In many cases, special equipment or tools are required for this. It becomes particularly problematic or at least quite difficult if there is no space for a crane or other traction means above the intended installation position, for example if the available height essentially only corresponds to the overall height of the drive unit. A common approach is to first lift the drive unit in the vertical direction with a crane arranged centrally in the shaft to a height of the top stop of the elevator car and then move it horizontally. The machine bearing is installed more or less high up at the upper end of the shaft (in particular on/on the guide rails provided for an elevator car), with the drive unit being moved upwards to the machine bearing, for example with three winches in the shaft. In the highest position (above the machine frame), the drive unit is moved horizontally to the intended end position on the machine frame. Another concept is to use a carriage that can be moved in the shaft or tracks that can be moved in the shaft. The tools required for this are arranged on the roof of the car or on the drive unit, and the drive unit is arranged on a correspondingly robust, load-bearing tool table of the machine frame. For vertical movement, the carriage is moved to the top of the shaft, and for horizontal movement, the drive unit is pushed in a horizontal direction.

However, installing the heavy drive unit near the shaft head is always particularly challenging when it is not possible to raise the drive unit sufficiently high from above using a chain hoist, for example because there is no space for the chain hoist at the top the drive unit and the upper end of the shaft. Additional tools for lifting the drive unit into the final position with the help of a carriage or a counterweight also disadvantageously cause additional costs and, last but not least, increase the complexity of the logistics in order to provide the required tool at the right time and in the right place.

EP 1 245 522 A1 describes a method using auxiliary rails, which are temporarily assembled for the installation process and then dismantled by screwing in bearing bolts.

In this respect, there is interest in technical possibilities to be able to install comparatively heavy drive units at the upper end of the shaft head of an elevator system without much effort and, if possible, in a safe manner, especially without special tools, especially when space is so limited that the use of winches or similar traction devices is still possible a sufficiently high or sufficiently precise displacement is not possible or is even technically impossible or impossible to achieve.

Description of the invention

Based on this situation, it is an object of the present invention to provide a system and method with which the drive unit of an elevator system can be installed in a simple and safe manner in a height position at the shaft head, especially in unfavorable space conditions due to limited height above the intended installation position.

The object of the invention is solved by the features of the independent main claims. Advantageous refinements are specified in the subclaims. If technically possible, the teaching of the respective subclaims che can be combined as desired with the teaching of the other main and subclaims.

In particular, the object is achieved by an elevator system with a drive unit arranged/arrangable above the travel path, in particular at the head of an elevator shaft, for the axial displacement of at least one elevator car along the travel path, the elevator system in the area of the shaft head providing a machine bearing arranged laterally offset from the travel path Arrangement of the drive unit in the intended installation position above the travel path and laterally offset from the travel path, the elevator system in the area of the shaft head having a plurality of lifting devices set up to lift the drive unit above the travel path at least to the installation height (or above the installation height), in particular a first lifting device arranged centrally with respect to the travel path and a plurality of second lifting devices arranged laterally with respect to the center of the travel path; wherein the machine bearing has at least one laterally displaceable installation aid (with an activatable side projection) set up and arranged for temporarily storing the drive unit in a lateral intermediate position laterally next to the intended installation position. This enables a simple decoupling of the vertical movement from the horizontal movement, whereby the drive unit can be positioned and supported on the installation aid in the phase between these movements and can also be decoupled from the lifting devices (at least partially, if desired).

Advantageous aspects of the claimed invention are explained below and preferred modified exemplary embodiments of the invention are described further below. Explanations, especially regarding advantages and definitions of features, are essentially descriptive and preferred, but not limiting, examples. If an explanation is to be understood as limiting, this will be expressly mentioned.

In other words, it is particularly provided that an auxiliary installation device is provided, which in a retracted/folded position does not affect the vertical movement path and in an extended/folded position enables the drive unit to be temporarily stored/parked in order to then move it in the horizontal direction (or in at least essentially horizontal direction) into the intended installation position.

Advantageously, it is not necessary to store tools or similar components on a roof of a carriage that can be moved along the guide rails, and in this respect the installation can also be carried out in a safer manner. For example, with the drive unit arranged in the desired height position (in particular suspended in at least two traction means), one/the telescopic device of the installation aid is displaced under the drive unit, then the drive unit is placed on the telescopic device (or on one or more rails of the telescopic device), so that the telescopic device is already supported (via the telescopic device) on the machine bearing, and then the telescopic device together with the drive unit is moved back.

For example, the installation is carried out as follows: The drive unit is essentially raised in a purely vertical direction to the desired installation height using several lifting devices; then the installation aid is moved into the lateral projection, for example by pulling/moving telescopic rails out of the machine bearing or by folding up a folding table unit from a side-hanging arrangement into a folded-out arrangement next to the machine bearing. The drive unit can then be lowered onto the installation aid device which is arranged overhanging the side of the machine bearing. The drive unit is then moved essentially horizontally into the intended installation position on the machine bearing.

In addition to a more flexible approach, the concept according to the invention also enables cost savings (particularly thanks to short installation times) and can further limit the space requirements at the head of the shaft, i.e. keep the required installation space as slim as possible, which can also result in constructive advantages for the entire elevator shaft.

• Zunächst wird die Antriebseinheit auf einer Grundplatte befestigt. Die Antriebseinheit wird mit einem zentralen Kettenzug in die oberste Etage gehoben. Daraufhin wird die Antriebseinheit mit mehreren an der Grundplatte befestigten Hebezügen bzw. Zugmitteln die letzten Meter bis zum oberen Ende des Schachtes bzw. bis zur bestimmungsgemäßen Installationshöhe weiter angehoben. Die Hebezüge (Winde, Kran, Flaschenzug oder dergleichen) befinden sich bevorzugt seitlich der Antriebseinheit bzw. greifen seitlich an mehreren Punkten an der Grundplatte der Antriebseinheit an, wobei der Schwerpunkt der Antriebseinheit und der Grundplatte innerhalb der von den Befestigungspunkten definierten Fläche angeordnet bleibt (bei diesem Schritt wird der zentral angeordnete Kettenzug nicht mehr benötigt). Wahlweise wird auf die Verwendung einer zentralen Hebeeinrichtung verzichtet, d.h., die Antriebseinheit wird direkt mittels der lateral angeordneten und lateral angreifenden Zugmittel/Hebeeinrichtungen auf die erforderliche Höhe angehoben. Nach diesem Schritt kann wahlweise einer der beiden folgenden Schritte realisiert werden:
  • Gemäß einer ersten Variante können provisorische Montageplatten am Boden des Maschinengestells unterhalb der hängenden Grundplatte der Antriebseinheit angebracht werden. Dann kann die Antriebseinheit mit Grundplatte auf die provisorischen Montageplatten abgesenkt werden. Danach kann die Antriebseinheit mit Grundplatte auf den provisorischen Montageplatten horizontal verschoben werden. Sobald die Antriebseinheit in der bestimmungsgemäßen Installationsposition angeordnet ist, kann die Befestigung der Antriebseinheit am Maschinengestell finalisiert werden und die provisorischen Montageplatten können entfernt werden.
  • Gemäß einer zweiten Variante werden zwei Teleskoparme oben auf dem Sockel des Maschinenrahmens montiert. Diese Arme können herausgezogen werden, und die Antriebseinheit mit Grundplatte kann auf den Sockel des Maschinenrahmens (bzw. auf die Höhe des Sockels) abgesenkt werden. Durch Einfahren der Teleskoparme wird die Antriebseinheit in die endgültige Position verlagert. Die Teleskoparme verbleiben an der Basis des Maschinenrahmens und können z.B. für nachfolgende Servicearbeiten genutzt werden.

In particular when using an auxiliary installation device with a telescopic device (preferably comprising two telescopic rails), an advantageous procedure can also be described as follows, in particular in an embodiment in which the bottom of the machine frame is connected to ends of guide rails defining the lateral travel path:

• First, the drive unit is attached to a base plate. The drive unit is lifted to the top floor using a central chain hoist. The drive unit is then raised further the last few meters to the upper end of the shaft or to the intended installation height using several hoists or traction devices attached to the base plate. The hoists (winch, crane, pulley or the like) are preferably located on the side of the drive unit or engage laterally at several points on the base plate of the drive unit, with the center of gravity of the drive unit and the base plate remaining arranged within the area defined by the attachment points (in this step the centrally located chain hoist is no longer needed). Optionally, the use of a central lifting device is omitted, ie, the drive unit is raised directly to the required height by means of the laterally arranged and laterally acting traction means/lifting devices. After this step, one of the following two steps can be implemented:
  • According to a first variant, temporary mounting plates can be attached to the bottom of the machine frame below the hanging base plate of the drive unit. The drive unit with base plate can then be lowered onto the temporary mounting plates. The drive unit with base plate can then be moved horizontally on the temporary mounting plates. Once the drive unit is arranged in the intended installation position, the attachment of the drive unit to the machine frame can be finalized and the temporary mounting plates can be removed.
  • According to a second variant, two telescopic arms are mounted on top of the base of the machine frame. These arms can be pulled out and the drive unit with base plate can be lowered to the base of the machine frame (or to the height of the base). By retracting the telescopic arms, the drive unit is moved to its final position. The telescopic arms remain at the base of the machine frame and can be used, for example, for subsequent service work.

• -Die Form der provisorischen Montageplatten ist bevorzugt derart ausgestaltet, dass die provisorischen Montageplatten die Grundplatte der Antriebseinheit in der Endposition nicht unterstützen, sondern in der Endposition wird die Grundplatte allein von der Basis des Maschinenrahmens getragen; insofern tragen die provisorischen Montageplatten keine Last mehr und können problemlos entfernt werden;
• - Es können Positionssensoren eingesetzt werden, insbesondere derart, dass der Monteur beim Anheben der Grundplatte der Antriebseinheit auf einfache Weise schnell feststellen kann, ob die horizontale Position der Grundplatte relativ zur Installationshilfseinrichtung (insbesondere relativ zu einer Führungsschiene) korrekt ist; zudem kann bei Verwendung von Positionssensorik eine Kollision zwischen Antriebseinheit und Installationshilfseinrichtung auf einfachere Weise vermieden werden;
• - Die Oberfläche der Installationshilfseinrichtung (insbesondere die Oberfläche von Teleskoparmen) kann mit kleinen Rillen zur Aufnahme von Schmierfett versehen sein, zur Begünstigung einer Gleitbewegung;
• - Die Geometrie der Installationshilfseinrichtung (insbesondere von Teleskoparmen) ist bevorzugt derart ausgestaltet, dass die Summe aller Kräfte innerhalb der Kante der zurückgefahrenen/geklappten Komponenten der Installationshilfseinrichtung liegt; dies begünstigt eine direkte Übertragung der Kräfte in den Boden des Maschinenrahmens; Bolzen übertragen demnach keine Betriebslast;
• - Die Installationshilfseinrichtung (insbesondere einzelne Teleskoparme) können mit langen Schrauben bewegt werden; und in der jeweiligen Endstellung von Komponenten der Installationshilfseinrichtung können Stopper bzw. Anschläge vorgesehen werden;
• - Die beweglichen Komponenten der Installationshilfseinrichtung (insbesondere Teleskoparme) können mit Rollenführungen oder Gleitführungen ausgeführt sein;
• - Zumindest einzelne Komponenten der Installationshilfseinrichtung können aus kostengünstigen Blechbiegeteilen hergestellt sein/werden; etwaige (Lage-)Toleranzen können z.B. durch exzentrische Bolzen oder Distanzplatten ausgeglichen werden;
• - Die Installationshilfseinrichtung kann im Nachgang zur Installation auch bei Servicearbeiten verwendet werden, z.B. um die Antriebseinheit in eine Serviceposition mit guter Zugänglichkeit bringen zu können;
• - Die Grundplatte der Antriebseinheit kann auch als Träger für einen/den Geschwindigkeitsbegrenzer genutzt werden;
• - Zwischen den Führungsschienen des Aufzugsystems und dem Boden des Maschinenrahmens können z.B. Distanzplatten oder Langlöcher eingesetzt werden, insbesondere um einen Höhenunterschied bezüglich der Führungsschienen auf einfache Weise ausgleichen zu können.

Other aspects may also be important in the installation process described here, which are briefly addressed below:

• -The shape of the temporary mounting plates is preferably designed such that the temporary mounting plates do not support the base plate of the drive unit in the end position, but in the end position the base plate is supported solely by the base of the machine frame; In this respect, the temporary mounting plates no longer carry any load and can be removed without any problems;
• - Position sensors can be used, in particular in such a way that when lifting the base plate of the drive unit, the installer can quickly determine in a simple manner whether the horizontal position of the base plate relative to the installation aid (in particular relative to a guide rail) is correct; In addition, when using position sensors, a collision between the drive unit and the installation aid can be avoided in a simpler manner;
• - The surface of the installation aid (particularly the surface of telescopic arms) may be provided with small grooves for receiving grease to promote sliding movement;
• - The geometry of the installation aid (in particular of telescopic arms) is preferably designed such that the sum of all forces lies within the edge of the retracted/folded components of the installation aid; this favors a direct transmission of forces into the bottom of the machine frame; Bolts therefore do not transmit any operating load;
• - The installation aids (particularly individual telescopic arms) can be moved using long screws; and stoppers or stops can be provided in the respective end position of components of the installation aid;
• - The movable components of the installation aid (particularly telescopic arms) can be designed with roller guides or sliding guides;
• - At least individual components of the installation aid can be made from inexpensive bent sheet metal parts; Any (positional) tolerances can be compensated for, for example, using eccentric bolts or spacer plates;
• - The installation aid can also be used for service work after installation, e.g. to be able to move the drive unit into a service position with good accessibility;
• - The base plate of the drive unit can also be used as a support for a speed limiter;
• - For example, spacer plates or elongated holes can be used between the guide rails of the elevator system and the bottom of the machine frame, in particular in order to be able to easily compensate for a difference in height with respect to the guide rails.

It has been shown that the machine bearing is sufficiently stable to be able to support the drive unit on it even in a lateral arrangement. Translation using telescopic kinematics has proven to be particularly advantageous, especially when the telescopic device can be installed on the machine bearing in such a way that a support surface that can be predefined by the telescopic device can already be arranged at the intended installation height. In this respect, the machine bearing can also include at least one horizontally displaceable telescopic device for a lateral displacement of the drive unit, the lifting devices being set up for lifting and displacing and arranging the drive unit for the purpose of assembly/installation of the drive unit at the intended installation position relative to the travel path laterally offset from the center of the Guideway, wherein the drive unit is set up together with the elevator system, first to be arranged centrally in a first maximum height position by means of the central first lifting device and then to be arranged in a second maximum height position higher than the first maximum height position by means of the decentralized second lifting devices, in particular exactly above the first maximum height position continues to be in a central arrangement relative to the travel path, and then laterally moved into the intended installation position by means of the telescopic device, in particular independently of the lifting devices or detached from them.

According to one exemplary embodiment, the machine bearing has at least one of the following laterally displaceable installation auxiliary devices set up and arranged for a lateral displacement of the drive unit from a position below the lifting devices into the intended installation position, which is laterally offset relative thereto, in particular at least approximately in the same height level: horizontally displaceable telescopic device comprising at least one Telescopic rail that specifies the horizontal displacement path, support table unit that can be telescopic or tilted under the raised drive unit and is set up for temporary interim storage of the drive unit, movement path-defining means for specifying a straight-line horizontal movement along the telescopic device and/or on the support table unit and/or on the machine bearing. This enables a displacement that makes optimal use of the available height, especially with a strictly L-shaped displacement path (first vertical, then horizontal, with minimal rearward displacement in the transition to horizontal movement). The movement path-defining means can be designed, for example, as permanently mounted and predefined aligned rollers.

The surface of telescopic supports (or rails or similar components) of the telescopic device is advantageously designed for the introduction of grease deposits. Telescopic rails of the telescopic device are advantageously designed in such a way that rough manufacturing tolerances, in particular of up to 2mm, can be permitted. This can also ensure a robust design, especially in such a way that contamination cannot cause disruption. Thanks to coarse tolerances, inexpensive bent sheet metal parts can be used instead of machining-intensive milled parts. The telescopic rails can be moved manually, for example, using a mutual hole grid and/or threaded spindles. Optionally, the telescopic rails can also be moved (be relocatable) using electric lifting spindles. For telescopic rails that can be moved via spindles, a slip clutch can prevent overloading; Furthermore, a synchronization device (linkage or chain) can prevent asymmetrical shifting.

Sound-decoupled jump guards are advantageously attached between the telescopic supports of the telescopic device and the base plate.

For transport and assembly, transport locking screws are preferably attached between the telescopic support and the base plate.

The telescopic supports are preferably designed in such a way that a resulting force acts on one/of the traction sheave within the geometry of the retracted telescopic support.

The telescopic rails described here are intended to be load-bearing components (or take on this function), but not as load-carrying devices.

According to one exemplary embodiment, the drive unit is set up together with the elevator system for scaffold-free lifting and shifting and arranging the drive unit in the intended installation position. This also reduces the effort associated with set-up times (preparation and rework).

According to one exemplary embodiment, the displacement path/movement path of the drive unit is divided into two phases until the intended installation position is reached, namely a first essentially exclusively vertical (axial) movement phase and a second essentially exclusively lateral/horizontal (lateral) movement phase. Last but not least, this avoids undefined pivoting or swinging of large loads and can also make installation safer.

According to one exemplary embodiment, the drive unit is arranged on a base (in particular base plate), on which at least two, preferably at least three couplings or fastening points for at least two, preferably at least three decentralized lifting devices (second lifting devices) are provided. This also makes it easier to save the space required above the drive unit; The lifting devices can all be arranged laterally of/on the drive unit and attack laterally.

It has been shown that a base/base plate can improve stability and ease of handling; However, depending on the design of the drive unit, handling can also take place without a base plate, for example if suitable fastening points (at least two) are available or can be provided in advantageous positions on the drive unit. The person skilled in the art can also transfer the teaching described here regarding the force application points on the base plate to force application points directly on the drive unit.

According to one exemplary embodiment, the second decentralized lifting devices are arranged laterally offset laterally from a projection of one/the upper side of the drive unit, in particular laterally on at least two, preferably at least three sides relative to the side surfaces of the drive unit, in particular such that the center of gravity of the drive unit is geometrically within one of is arranged on the surface spanned by the attachment points of the second decentralized lifting devices or is arranged lower (i.e. within the projection of the surface downwards or below the points of attack of the decentralized lifting devices). This enables particularly efficient/effective use of the available height, or the installation position can be arranged very close to the head or ceiling of the shaft, which also allows the required height of the shaft to be minimized.

According to one exemplary embodiment, the at least one laterally displaceable installation aid device, in particular in the form of a support table unit, has a foldable support surface/plane that can be supported on the machine bearing, which is set up to temporarily store the drive unit and which can be folded back into the intended installation position after the drive unit has been moved, to clear the route. Last but not least, this also provides an arrangement in which no structural disadvantages arise in the lateral direction; the machine bearing can be located close to the travel path, and once the drive unit has been raised to/above the installation height, the support surface/plane can be folded out.

According to one exemplary embodiment, the machine bearing provided for the drive unit has a pre-installed telescopic device, which remains permanently installed and is structurally integrated into the machine bearing, in particular in the manner of two telescopic rails or at least comprising these two telescopic rails, in particular in such a way that a support surface defined by the telescopic rails / Support surface is arranged at the height level of the intended installation position. Last but not least, this facilitates approaching the final installation position through a pure translational movement without any further height offset.

According to one exemplary embodiment, the at least one laterally displaceable installation aid device can be arranged in the lateral intermediate position in a controlled, motorized and/or manual manner with activated side projection, for example bidirectionally telescoping and/or folding back (in particular bidirectionally predefined displaceable to release the travel path). The manual and/or motor actuation of the installation aid device can be implemented individually depending on the boundary conditions for optimized adaptation to the respective application, for example also depending on the accessibility/accessibility of the installation aid device. An activated side projection is understood to mean, for example, an unfolded section of the installation aid.

According to one exemplary embodiment, the elevator system comprises a control device by means of which the displacement path/movement path of the drive unit is predefined or can be predefined. This promotes efficient travel along the displacement path and reduces the risk of incorrect operation.

It is worth mentioning that, in addition to or as an alternative to telescopic rails, installation aids can be used which are designed in such a way that they are force-free in the final installation position; in other words, the drive unit loads directly on the insulation there.

The installation aids can be designed with a roller or sliding guide

It is worth mentioning that, in addition to or as an alternative to telescopic rails, vertical and horizontal movement can be achieved using a trolley. The trolley rail can be attached to the counterweight rails and the opposite car rail. The run katze prefers to use the central point of attack of the drive unit.

The design and geometry of the entire system enables the drive unit to be installed while simultaneously installing the elevator without scaffolding, especially with a car width of at least 1100mm. The design or geometry of the entire system enables the forces in normal operation to be dissipated via insulation and the forces in impact operation to be dissipated via the guide rail on the car. Different lengths of the guide rails can be compensated for using elongated holes or lining plates. Support can only be achieved on one car rail and two counterweight rails; Optionally, a connection to the shaft wall can be provided. Specifically marked screws are advantageously provided for fixing the final installation position.

Several suspension points (attachment points) for lifting equipment are provided in the base plate or on the drive unit, in particular so many and distributed in such a way that the most suitable point for the real/current position of the load hooks of the shaft head ceiling can be used. The base plate advantageously also serves as a holder for a speed limiter.

The task previously defined above is also achieved by a method for arranging a drive unit of an elevator system at the intended installation position, laterally offset relative to the travel path and above the travel path on a machine bearing provided for this purpose, in particular at the head of an elevator shaft, by using at least one lifting device, whereby the drive unit is designed to move at least one elevator car along the travel path, the drive unit being raised to the installation height by means of a plurality of lifting devices above the travel path, in particular by means of a first lifting device arranged centrally with respect to the travel path and by means of a plurality of second lifting devices arranged laterally with respect to the travel path lifting devices arranged in the center of the route; wherein the at least one laterally displaceable installation aid device on the machine bearing is arranged in a lateral side projection and is supported laterally next to the intended installation position for the intermediate storage of the drive unit in a lateral intermediate position. This provides advantages previously described above.

For example, the elevator system comprises a first lifting device arranged centrally with respect to the travel path and a plurality of second lifting devices arranged laterally with respect to the travel path and also at least one horizontally displaceable telescopic device for a lateral displacement of the drive unit, wherein lifting and relative arrangement are initially carried out by means of the central first lifting device the drive unit takes place centrally in a first maximum height position and then by means of decentralized second lifting devices the drive unit is raised and relative arranged in a second maximum height position higher than the first maximum height position, in particular above the first maximum height position, and then a lateral displacement from the central arrangement by means of the telescopic device out into the side/lateral intended installation position.

According to one embodiment, the drive unit is arranged in the lateral intermediate position on the installation aid. This also promotes an advantageous change from a vertical to a horizontal movement, especially with regard to the resulting changing forces/loads.

According to one exemplary embodiment, the drive unit is displaced laterally from the lateral intermediate position into the intended installation position, in particular shifted on the installation auxiliary device or translated laterally by means of the installation auxiliary device. This eliminates the need for additional lifting or overcoming further height offsets and therefore requires only comparatively small forces.

Brief description of the drawings

• 1A, 1B, 1C jeweils in schematischer Darstellung in Seitenansichten Schritte bzw. Situationen/Zustände eines Verfahrens bzw. eines Aufzugsystems gemäß einem ersten Ausführungsbeispiel der Erfindung;
• 2A, 2B, 2C, 2D, 2E jeweils in schematischer Darstellung in Seitenansichten Schritte bzw. Situationen/Zustände eines Verfahrens bzw. eines Aufzugsystems gemäß einem weiteren Ausführungsbeispiel der Erfindung;
• 3A, 3B jeweils in schematischer Darstellung in Seitenansichten ein translatorisches Verlagern einer Antriebseinheit auf der Installationshöhe gemäß Ausführungsbeispielen der Erfindung;
• 4A, 4B jeweils in schematischer Darstellung in einer perspektivischen Ansicht und in einer Seitenansicht Schritte bzw. Situationen/Zustände eines zuvor praktizierten Verfahrens;
• 5 in schematischer Darstellung einzelne Schritte eines Verfahrens gemäß Ausführungsbeispielen der Erfindung;

The invention is explained in more detail below with reference to the accompanying drawings using preferred exemplary embodiments. The wording figure is abbreviated to Fig. in the drawings. Show it

• 1A , 1B , 1C each in a schematic representation in side views of steps or situations/states of a method or an elevator system according to a first exemplary embodiment of the invention;
• 2A , 2 B , 2C , 2D , 2E each in a schematic representation in side views of steps or situations/states of a method or an elevator system according to a further exemplary embodiment of the invention;
• 3A , 3B each in a schematic representation in side views of a translational displacement of a drive unit at the installation height according to exemplary embodiments of the invention;
• 4A , 4B each in a schematic representation in a perspective view and in a side view steps or situations/states of a previously practiced method;
• 5 a schematic representation of individual steps of a method according to exemplary embodiments of the invention;

Detailed description of the exemplary embodiments

The exemplary embodiments described are merely examples that can be modified and/or supplemented in a variety of ways within the scope of the claims. Each feature described for a particular embodiment may be used alone or in combination with other features in any other embodiment. Each feature that is described for an embodiment of a particular claim category can also be used in a corresponding manner in an embodiment of another claim category. The reference numbers are initially described in general terms; an individual reference is made in connection with the respective description of the figures.

An elevator system 10 is provided in which or for which a drive unit 12 is used to relocate at least one elevator car 3 along the predefined route 5 in the intended installation position 9 at a predefined installation height H12 in the area of the head 1 of an elevator shaft (or similar building technology receiving unit). should be installed. A machine warehouse 14 is/will be provided for this purpose. According to the invention, the drive unit 12 can advantageously be brought into the final intended installation position 9 by essentially only two displacement movements: essentially vertical displacement by means of at least one lifting device 16, whereby intermediate positioning can take place in the corresponding height position (in particular by supporting it on the machine bearing 14) , namely in a lateral intermediate position 7 to the side of the intended installation position 9, and then essentially purely translationally horizontal shifting into the intended installation position 9, whereby means for supporting the drive unit 12 can subsequently be dismantled, in particular to release the travel path 5.

Optionally, the drive unit 12 can be arranged on a base or base plate 13 for this process. A respective coupling part 13.1 or the corresponding fastening point for traction means of the at least one lifting device 16 can be provided either on the base plate 13 or directly on the drive unit 12.

A central (first) lifting device 16.1 and several decentralized (second) lifting devices 16.2 are advantageously provided, each comprising at least one traction device 16.3 (in particular rope or chain). Optionally, only decentralized lifting devices 16.2 are provided.

A laterally displaceable installation aid 18 is arranged and supported on the machine bearing 14 and comprises a telescopic device 18a and/or a support table unit 18b, with at least two telescopic rails 18.1, 18.2 preferably being provided. Alternatively or additionally, a foldable support surface/plane 18.3 can also be provided. By means of movement path-defining means 19, the direction of a translational displacement can be specified even more precisely, so that the comparatively massive/heavy drive unit 12 can be easily aligned and cleanly moved into the intended installation position 9. In this respect, the machine bearing 14 includes means for providing translational kinematics 20a and/or tilting kinematics 20b, or these means are at least supported on the machine bearing 14 and can be subsequently installed thereon as a retrofit option.

According to the invention, the installation of the drive unit 12 for a fitter M is now greatly simplified thanks to the following procedure (schematically outlined here) and can also be easily standardized and thus made safer than before: first step S1 lifting the drive unit by means of a plurality of lifting devices at least or about the installation height; second step S2 arranging an auxiliary installation device that can be moved laterally on the machine bearing in a lateral side projection; third step S3 temporarily storing the drive unit in a lateral intermediate position next to the intended installation position on the installation aid; fourth step S4 translational displacement of the drive unit into the intended installation position; fifth step S5 relocating the installation aid device. Based on this flow chart, a two-stage displacement of the drive unit can be easily implemented or standardized; Of course, the method according to the invention can include further additional steps.

In 1A , 1B , 1C The two-stage procedure is roughly outlined: the drive unit 12 is first raised above the intended height, then the installation aid 18 is activated (positioning it under the Drive unit 12) and the drive unit 12 can be supported thereon in the sense of intermediate positioning, and then the drive unit 12 is displaced horizontally. In this respect, no pivoting or similar movement of the drive unit 12 is required in a state suspended from the traction means; this also minimizes the risk of a collision or incorrect positioning.

In 2A , 2 B , 2C , 2D , 2E describe a process according to one of the exemplary embodiments, using tilting kinematics 20b for the installation aid 18. 2A illustrates the intended installation position 9 (arrangement laterally relative to the elevator car 3). 2 B illustrates the lifting process. In the 2 B Only roughly schematically indicated movement path-defining means 19 (e.g. rollers with a predefined aligned axis) for specifying a translational movement can be integrated into the telescopic device in such a way that the associated height position is not noticeably changed. 2C illustrates supporting in the intermediate position with the aid of a support table unit 18b of the installation aid 18, which can be folded out for this purpose thanks to a tilting kinematics 20b and is supported on the machine bearing 14. 2D illustrates horizontal shifting. 2E illustrates the arrangement in or almost in the intended installation position 9.

In 3A , 3B describe a process for horizontal displacement according to one of the exemplary embodiments, using translation kinematics 20a for the installation aid 18.

The ones in the 2 and 3 The kinematics described can be combined with one another, for example if the overcoming of the side projection and the support on the machine bearing can be designed to be particularly advantageous. Depending on the nature of the machine bearing, the expert can specify the optimal kinematics for the respective application.

In 4A , 4B describe an installation method that has previously been practiced in many situations, but which has the disadvantage that the drive unit 12 has to be displaced or pivoted horizontally in a hanging arrangement by means of traction means or lifting devices and must also be secured in several spatial directions; This process has proven to be comparatively time-consuming and error-prone, and standardization does not seem to be easy to implement. When space is limited, particularly with regard to the available height, this method reaches its limits and is becoming increasingly difficult to implement. This type of use of lifting devices requires a comparatively large amount of space, which is not available in all shafts.

In 5 Five steps S1 to S5 are outlined as an example for a rough description of the sequence of a method according to the invention. First step S1 vertical movement of the drive unit to the installation height by means of a plurality of lifting devices; second step S2 arranging an auxiliary installation device that can be moved laterally on the machine bearing in a lateral side projection (tilting and/or translation kinematics); third step S3 temporarily storing the drive unit in a lateral intermediate position next to the intended installation position on the installation aid and supporting the drive unit on the machine bearing; fourth step S4 translational displacement of the drive unit into the intended installation position; fifth step S5 Relocate/dismantle the installation aid. Based on this flow chart, a two-stage displacement of the drive unit can be easily implemented or standardized; Of course, the method according to the invention can include further additional steps.

Reference symbol list

1

Head of an elevator shaft

3

elevator car

5

route

7

lateral intermediate position

9

intended installation position

10

Elevator system

12

Drive unit

13

Base or base plate for/from drive unit

13.1

Coupling (steep) or attachment point for traction devices

14

Machine warehouse

16

Lifting device

16.1

central (first) lifting device

16.2

decentralized (second) lifting device

16.3

Traction device, especially rope or chain

18

Laterally movable installation aid

18a

Telescopic device

18b

Support table unit

18.1

Telescopic rail

18.2

Telescopic rail

18.3

foldable support surface/level

19

Movement path-defining means for specifying a translational movement

20a

Translational kinematics

20b

Tilting kinematics

H12

Installation height

M

Fitter

S1

Step 1: Raise the drive unit to the installation height using a plurality of lifting devices

S2

Step 2: Arranging an installation aid that can be moved laterally on the machine bearing in a lateral side projection

S3

Step 3: Temporarily store the drive unit in a lateral intermediate position next to the intended installation position on the installation aid

S4

Step 4: Translational displacement of the drive unit into the intended installation position

S5

Step 5: Relocate the installation tool

QUOTES INCLUDED IN THE DESCRIPTION

This list of documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 1245522 A1 [0004]

Claims (9)

Elevator system (10) with a drive unit (12) which can be arranged above a travel path (5), in particular at the head (1) of an elevator shaft, for the axial displacement of at least one elevator car (3) along the travel path (5), the elevator system (10) being in the The area of the shaft head (1) has a machine bearing (14) arranged laterally offset from the travel path (5) for arranging the drive unit (12) in the intended installation position (9) above the travel path (5) and laterally offset from the travel path (5), whereby the elevator system (10) in the area of the shaft head (1) has a plurality of lifting devices (16) set up to lift the drive unit (12) above the track (5) at least to the installation height (H12); characterized in that the machine bearing (14) has at least one laterally displaceable installation aid (18) set up and arranged for temporarily storing the drive unit (12) in a lateral intermediate position (7) laterally next to the intended installation position (9). elevator system Claim 1 , wherein the machine bearing (14) has at least one of the following laterally displaceable installation auxiliary devices (18) set up and arranged for a lateral displacement of the drive unit (12) from a position below the lifting devices (16) into the laterally offset relative thereto, in particular at least approximately in the same height plane intended installation position (9): horizontally displaceable telescopic device (18a) comprising at least one telescopic rail (18.1, 18.2) which specifies the horizontal displacement path, a support table unit (18b) which can be telescopic or tilted under the raised drive unit (12) and is set up for temporary interim storage of the drive unit (12) , movement path-defining means (19) for specifying a rectilinear horizontal movement along the telescopic device (18a) and/or on the support table unit (18b) and/or on the machine bearing (14); and/or wherein the drive unit (12) is set up together with the elevator system (10) for scaffold-free lifting and shifting and arranging the drive unit (12) in the intended installation position (9). Elevator system according to at least one of the Claims 1 or 2 , wherein the displacement path/movement path of the drive unit (12) is divided into two phases until the intended installation position (9) is reached, namely a first essentially exclusively vertical movement phase and a second essentially exclusively lateral/horizontal movement phase. Elevator system according to at least one of the preceding claims, wherein the drive unit (12) is arranged on a base (13) on which at least two couplings or fastening points (13.1) are provided for at least two decentralized lifting devices (16.2); and/or wherein the second decentralized lifting devices (16.2) are arranged laterally offset laterally from a projection of one/the top of the drive unit (12), in particular laterally on at least two sides relative to the side surfaces of the drive unit (12), in particular such that the center of gravity the drive unit (12) is arranged geometrically within a surface spanned by the attachment points of the second decentralized lifting devices (16.2) or is arranged lower. Elevator system according to at least one of the preceding claims, wherein the at least one laterally displaceable installation aid (18) has a foldable support surface/level (18.3) which can be supported on the machine bearing (14), which is set up to temporarily store the drive unit (12), and which after Relocation of the drive unit (12) into the intended installation position (9) can be folded back to release the travel path (5). Elevator system according to at least one of the preceding claims, wherein the machine bearing (14) provided for the drive unit (12) has a pre-installed telescopic device (18a), which remains permanently installed and is structurally integrated into the machine bearing (14), in particular in the form of two Telescopic rails (18.1) or at least these two telescopic rails, in particular such that a support surface defined by the telescopic rails is arranged in the height plane of the intended installation position (9). Elevator system according to at least one of the preceding claims, wherein the at least one laterally displaceable installation auxiliary device (18) can be arranged in the lateral intermediate position (7) under either motorized and/or manual control with activated side projection, for example bidirectionally telescopic and/or foldable (back). ; and/or wherein the elevator system (10) comprises a control device by means of which the displacement path/movement path of the drive unit (12) can be predefined. Method for arranging a drive unit (12) of an elevator system (10) at the intended installation position (9), laterally offset relative to the travel path (5) and above the travel path on a machine bearing (14) provided for this purpose, in particular at the head (1) of an elevator shaft, by using at least one lifting device device (16), wherein the drive unit (12) is designed to move at least one elevator car (3) along the route, the drive unit (12) being raised to the installation height (H12) above the route by means of a plurality of lifting devices (16). is, in particular by means of a first lifting device (16.1) arranged centrally with respect to the travel path (5) and by means of a plurality of second lifting devices (16.2) arranged laterally with respect to the center of the travel path; characterized in that the at least one laterally displaceable installation aid device (18) on the machine bearing (14) is arranged in a lateral side projection and is supported laterally next to the intended installation position (9) for intermediate storage of the drive unit (12) in a lateral intermediate position (7). is, wherein the drive unit (12) is preferably arranged on the installation aid (18) in the lateral intermediate position (7). Method according to the preceding claim, wherein the drive unit (12) is displaced laterally from the lateral intermediate position (7) into the intended installation position (9), in particular is displaced on the installation auxiliary device (18) or is displaced laterally in translation by means of the installation auxiliary device.

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