DE602004012198T2 - Prefabricated element for equipping an elevator shaft, shaft, device for equipping an elevator shaft and assembly method of such a device - Google Patents

Abstract

The casing has a pre-fabricated unit with a bearing frame, a ladder (9), and two guiding rails (2a, 2b) for guiding a cabin (1) of the casing. A third guiding rail (31) is provided for guiding a counter weight (3). Two maintenance and/or fixing units (6) are provided for fixing the pre-fabricated unit on the casing. A groove (8) receives a supply cable of the cabin, and the pre-fabricated unit can be mounted in the casing. Independent claims are also included for the following: (a) an assembly destined to equip a casing of a lift (b) a method for mounting an assembly destined to equip a casing of a lift.

Description

The Field of the present invention is that of elevators. More accurate the invention relates to the equipment, installed to provide the rides of the elevator car in elevator shafts are.

It be made clear that under elevator not only passenger lifts, but also goods lifts for bulky Goods understood become.

The Invention particularly, but not exclusively, relates to ships, in particular passenger ships, cargo ships, military ships etc. The technique according to the invention However, it can also be applied in a similar way to buildings on land.

• – die eine oder mehreren Kabinen;
• – die Führungsschienen für die eine oder mehreren Kabinen;
• – das eine oder die mehreren Gegengewichte;
• – die Führungsschienen für das ein oder die mehreren Gegengewichte;
• – die Maschinen;
• – die Zugkabel, die die Maschinen mit den Gegengewichten und den Kabinen verbinden;
• – die Kanäle, in denen die elektrischen Kabel geführt werden;
• – ...

An elevator is conventionally formed by assembling and assembling a certain number of components into the elevator shaft. The essential elements for the operation of the elevator are the following:

• - the one or more cabins;
• The guide rails for the one or more cabins;
• - the one or more counterweights;
• The guide rails for the one or more counterweights;
• - the machines;
• - the cables connecting the machines to the counterweights and the cabins;
• - the channels in which the electrical cables are routed;
• - ...

in the In general, the guide rails for the cabins, the guide rails for the Counterweights, the channels and the ladders grouped on the entirety of the walls of a shaft, which form the mantle of the elevator.

to Time is the assembly of elevators on ships completely during the Phase of the equipment of the ship: the various components listed above are brought aboard in the form of individual parts and, usually by welding, together composed or on the various decks of the ship or the walls attached to the elevator shaft.

Considered one, that with lifts or freight elevators equipped Ships generally comprise between three and fifteen decks it understandable that the process of mounting a lift in a ship is tedious and awkward is.

When Note that the installation of a simple elevator (with a single cabin) on a ship with ten decks Total workload of about 1200 hours.

It also puts Such a lift installation due to the working conditions in the elevator shaft (work at height, confined space, welding spatter etc.) a not negligible Risk.

The Increase in installation operations and to their execution necessary big ones Lead duration however, to maintain or even increase this level of risk.

It is in particular an object of the invention, the disadvantages of the state to eliminate the technology.

More accurate It is the object of the invention to propose a new installation technique for elevators, the it allows to reduce in particular the installation times.

It is also the object of the invention to provide such a technique, which can be easily integrated into a ship. This is it It is also an object of the invention to provide a technique to no extra weight or loss of space leads.

One Another object of the invention is to provide a technique which allows shafts at cheap Provide costs, or at least those that are not at extra cost to lead.

One Another object of the invention is to provide a technique which limits the risks that the staff receives, the elevator Installed.

Yet a further object of the invention is to provide a technique the independent from the height the elevator shaft can be used.

One The object of the invention is yet to provide a technique which Easy to design and easy to use.

• – wenigstens ein tragendes Gerüst;
• – wenigstens eine Führungsschiene für Kabinen;
• – wenigstens eine Führungsschiene für Gegengewichte;
• – Mittel zum Halten und/oder Befestigen des Elements am Aufzugsschacht,

wobei das Element in Form einer vormontierten Einheit gebildet ist, die dafür fertig vorbereitet ist, im Aufzugsschacht montiert zu werden, dadurch gekennzeichnet, dass die Führungsschienen für Kabinen und Gegengewichte derart doppelt ausgeführt und an dem Gerüst montiert sind, dass das Element in einem Aufzugsschacht, der für zwei Kabinen vorgesehen ist und der als doppelter oder mehrfacher Aufzug bezeichnet wird, an einer im wesentlichen in der Mitte gelegenen Position montiert werden kann.These objects, as well as other objects which will become apparent hereinafter, are attained by the invention having as subject matter an elevator system comprising two cabs and two counterweights and provided with an element intended to equip a hoistway and the elevator comprising:

• - at least one supporting framework;
• - At least one guide rail for cabins;
• - At least one guide rail for counterweights;
• Means for holding and / or fixing the element to the elevator shaft,

wherein the element in the form of a preassembled A is prepared ready to be mounted in the elevator shaft, characterized in that the guide rails for cabins and counterweights are made such a double and mounted on the frame that the element in an elevator shaft, which is provided for two cabins and which is referred to as a double or multiple elevator, can be mounted at a substantially central position.

By In particular, the invention may include the installation time on board Ships or on-site compared to traditional solutions.

Actually the number of for the installation of the elevator on board or on site carried out operations considerably limited. This is the length of stay of the workers in the elevator shaft reduced.

In addition, will the pre-assembly of the element intended for the manhole equip, performed in the factory, So much cheaper Working conditions than in a hoistway.

On this reduces the risk to the staff, which installs the elevator as much of the assembly work already realized.

Also allowed it's the pre-assembly in the factory, the use of techniques for fast, precise and cost-effective Provide assembly by, for example, welding robots are used.

advantageously, includes the item as well at least one channel for that is provided, the electrical supply cable of the elevator car The element advantageously also at least includes a ladder.

so built, carries the element further reduces the amount of time that for the whole Installation of the elevator is necessary, reducing the occupancy time the worker in the elevator shaft is reduced.

The Installation of a lift consisting of preassembled elements according to the invention exists on a ship with ten decks then needed in about 600 hours, which reduces the installation time compared to conventional solutions by half reduced.

According to one further preferred solution the supporting framework at least one longitudinal member, the intended for it is to run horizontally, with the guide rail for cabins on mounted on one side of the longitudinal member is and the other side of the longitudinal member at least two carriers wearing, each one fixed to a guide rail for counterweights is connected, and this so that the longitudinal beam and the carrier together to limit a space in which the counterweight runs.

One such scaffolding proves to be space-saving and thus facilitates its storage, its transport and its installation, at the same time all the for the Operation of the elevator necessary conventional functionalities available are.

Preferably is the scaffolding fixed with at least one reinforcing rod connected, which provided for it is to be substantially vertical.

One Such a rod can be easily attached to the scaffold during pre-assembly at the factory become. This rod is wearing to the rigidity of the element.

According to one potential Variant can this bar for the rigidity of the element for the transport and loading on board or on site temporarily attached to the scaffolding and he can afterwards be removed after the element is installed, in which case the Stiffness of the element simply through the guide rails for the cabins and counterweights is ensured.

The Invention is thus applicable to any type of elevator, regardless of the height of the shaft and the number of cabins available in it.

In In this case, the element advantageously comprises at least two Side members, the intended for it are to run in the same, substantially horizontal plane, and each of which at least one guide rail for cabins and at least two carriers, each with a guide rail for counterweights is firmly attached, bears, the side rails preferably are connected by at least two transverse struts so that the bearing framework forming a frame.

According to this Arrangement receives one scaffolding with a particularly simple and efficient conception that allows to bear all the essential organs by having a high fortune the ones exercised on it withstand mechanical stresses.

According to a preferred embodiment, the frame carries at least one rod which is called the central rod and which runs parallel to the longitudinal members, occupying a central position between them and at its ends or in the vicinity of these means being the Hal th and / or fasteners carries.

One such rod allows it on every deck and / or intermediate deck be fastened, be it by screwing, welding or Pinning.

advantageously, become the channel or channels carried by the one or more longitudinal beams and the one or more conductors are advantageously from the central rod (s) carried.

you receives such an element on which the various organs are distributed, that this element takes up a limited footprint, and this both in its introduction into the elevator shaft, as well as after it was installed in these.

According to one preferred solution The element comprises at least two supporting frameworks which are substantially parallel to each other and connected by the one or more reinforcing rods are.

The Number of scaffolding, which form the element can be adapted to the needs, in particular dependent on from the number of decks and / or tween decks and / or the distance that this separates. In any case, the larger the number of scaffolding, the more the installation time of a lift decreases which includes the corresponding elements.

It We therefore try to find a compromise between the profit, obtained by pre-assembling the elements and the difficulties resulting from the transport and installation of an element, whose dimensions are increased.

The The invention also relates to an elevator system comprising at least one module according to claim 9 includes.

It are thus means of cooperation between the at the base of the Elevator shaft mounted element and the pit bottom module provided. This consequently facilitates the relative positioning as well as the Attachment of the base element on the floor module.

Also allow it's the scaffolding, distribute the load that is applied to the sheet on which the module is discontinued. In this way it is avoided, the bottom plate at least locally reinforce to have to, what with the conventional techniques necessary so that the sheet can withstand the forces exerted on it.

According to one advantageous solution, the pit bottom module is formed in the form of a preassembled unit, the for the assembly is ready.

This Module is thus preassembled in the factory, which has the same advantages like the ones mentioned before, that brings the pre-assembled ones Elements concerned.

• – Geschwindigkeitsbegrenzer für Kabinen;
• – Geschwindigkeitsbegrenzer für Gegengewichte;
• – Dämpfungsvorrichtungen für Kabinen;
• – Dämpfungsvorrichtungen für Gegengewichte.

Preferably, the pit bottom module carries at least one of the organs belonging to the following group:

• - Speed limiter for cabins;
• - Speed limiter for counterweights;
• - damping devices for cabins;
• - Damping devices for counterweights.

you receives thus a module that completely with the conventional one Organized organs is that for a good functioning of the elevator are necessary and / or the For this provide the security features.

According to one advantageous solution, includes the item as well a machine floor and it forms a closure element for the elevator shaft at its upper end.

According to one preferred solution, the floor comprises at least one electrical cabinet, at least one Transformer and at least one operating motor for the elevator and he is formed in the form of a preassembled unit, ready for assembly is prepared. It is thus the structure of the various machine elements avoided on the spot, what for usually happening directly on site on a cover plate and / or intermediate tile.

The The invention also relates to an assembly method according to claim 12 for a unit, which provided for it is to equip a lift shaft.

at This assembly process makes it clear that the installation of a Elevator according to the invention, this means a lift composed of pre-assembled elements, itself essentially on work processes limited to the attachment of the elements on the elevator shaft, as well on some work processes to connect and / or connecting the elements with each other.

According to one advantageous solution, The method comprises a step of installing the machine floor by putting on a simple stop and fixing the floor on carriers, which are firmly connected to the elevator shaft.

Such a floor is particularly easy to install in that it is sufficient to place it on its supports and weld it, Ver fix screws or pegs, which in turn can be achieved by this circumstance time savings.

Further Features and advantages of the invention will become apparent upon reading the following Description of two preferred embodiments of the invention, exemplifying and not limiting more clearly recognizable and from the attached drawing, in which:

1 Fig. 10 is a frontal sectional view of an elevator installed by means of prefabricated elements according to the invention;

2 Fig. 12 is a top cross-sectional view of a single cabin elevator installed by means of prefabricated elements (not part of the invention);

3 Fig. 3 shows a cross-sectional top view of a two-car elevator installed by means of prefabricated elements according to the invention;

4 a side view of a particular embodiment of a prefabricated element according to the invention;

5 a perspective view of a pit bottom module represents;

6 a perspective view of a machine floor of an elevator, which is formed from a unit according to the invention.

1 represents a lift with two cabins 1 It should be noted that, as will become more apparent hereinafter, the invention also applies to elevators with a single cabin, as well as elevators with two or more cabins.

• – Führungsschienen 2a, 2b für die eine oder mehreren Kabinen 1;
• – Gegengewichte 3;
• – Führungsschienen 31 für das eine oder die mehreren Gegengewichte 3;
• – Maschinen 4
• – Zugkabel 41, die die Maschinen 4 mit den Gegengewichten 3 und mit den Kabinen 1 verbinden;
• – Kanäle 8 zur Führung der elektrischen Kabel 81;
• – Leitern (die in dieser Figur nicht dargestellt sind).

Regarding 1 includes an elevator inside a shaft 10 that forms the mantle of the elevator, the following:

• - Guide rails 2a . 2 B for the one or more cabins 1 ;
• - Counterweights 3 ;
• - Guide rails 31 for the one or more counterweights 3 ;
• - Machinery 4
• - pull cable 41 that the machines 4 with the counterweights 3 and with the cabins 1 connect;
• - Channels 8th for guiding the electrical cables 81 ;
• - Ladders (not shown in this figure).

• – ein Trägergerüst 5, das fest mit Mitteln zum Halten und/oder zur Befestigung 6 verbunden ist, die dafür vorgesehen sind, fest mit Teilen von Decks und/oder Zwischendecks 7 eines Schiffes oder mit jedem anderen Element, das direkt oder indirekt vom Aufzugsschacht getragen wird, verbunden zu werden;
• – eine Führungsschiene 2b für Kabinen 1;
• – Kanäle 8;
• – eine Leiter 9;
• – Führungsschienen (in dieser Figur nicht dargestellt und mit dem Bezugszeichen 31 in den 2 und 3 erkennbar).

According to the in 4 According to a preferred embodiment of the invention, these organs are combined in the form of a preassembled element which is ready for assembly in the elevator shaft and which comprises:

• - a support framework 5 Being firm with means for holding and / or fixing 6 which are intended to be fixed to parts of decks and / or decks 7 a ship or any other element carried directly or indirectly by the elevator shaft;
• - a guide rail 2 B for cabins 1 ;
• - Channels 8th ;
• - a ladder 9 ;
• - Guide rails (not shown in this figure and with the reference numeral 31 in the 2 and 3 visible).

In the embodiment in 4 It will be appreciated that the prefabricated element consists of a series of support structures 5 is formed, the one another by a guide rail 2 B for cabins, through guide rails 31 for counterweights and by reinforcing bars 51 are connected.

The support frames are spaced apart, for example by a distance of about 1.30 meters from one another, and in the case of multiple elevators, for safety reasons, a partition extends vertically between the central rods 56 , wherein the intermediate wall is preferably made on the basis of a light sheet or a grid.

Regarding 2 , which corresponds to an embodiment which is not part of the invention and according to which the elevator has a single cabin, the support frame by a side member 52 formed on the one of its sides a guide rail 2 B for cabins carries and on the other side of its two carriers 53 carries, which the guide rails 31 for the counterweight 3 wear.

It should be noted that the carrier thus constructed 52 along with the straps 53 delimits a space for the movement of the counterweight.

According to this embodiment, the side member carries 52 also a channel 8th and one of the carriers 53 carries a ladder 9 (This is for obvious security reasons between the carrier 53 and the elevator shaft 10 assembled).

In addition, the prefabricated element by fastening means and / or for holding 6 firmly held in the elevator shaft, these on the one hand by the carriers 53 and on the other hand from one arm 54 be worn at one end of the longitudinal member 52 is attached.

Regarding 3 according to one embodiment, according to which the elevator has two cabins 1 has, the support frame is formed by a frame, the two side members 52 includes, at its end by transverse struts 53 . 55 are connected.

It should be noted that one of these cross struts 53 also a carrier of the guide rails for the counterweights 3 forms, another vehicle 53 extends within the frame of the support frame.

As shown, each of the side members carries 52 a guide rail for cabins and supports for the guide rails for counterweights. Carried out in this way, the support frame can occupy a central position in an elevator shaft, so as to be responsible for each of the two cabins mounted on both sides of the framework.

According to this embodiment, the attachment of the preassembled element by means of a central rod 56 executed, the fastening means at its ends 6 carries (or whose ends form fasteners).

This rod is referred to by the term "central", since this rod has a middle position between the longitudinal members 52 occupies, wherein it extends parallel to these.

As in 3 recognizable, the central staff carries ladders 9 (the channels 8th be, as in the case of the simple cab, of the side rails 52 carried).

• – ein oder mehrere vormontierte Elemente, wie eines derjenigen, die zuvor beschrieben wurden;
• – ein Grubenbodenmodul, wie das in 5 dargestellte;
• – ein Boden, der die Maschinen trägt und der das Verschlusselement des Aufzugsschachts bildet, von dem Typ des in 6 dargestellten Bodens.

The equipment of a hoistway is thus realized by the incorporation of the following:

• One or more preassembled elements, such as one of those previously described;
• - a pit bottom module, like the one in 5 illustrated;
• A floor supporting the machines and forming the closure element of the elevator shaft, of the type referred to in 6 represented soil.

Regarding 5 includes the pit bottom module 50 two scaffolding 501 and 502 which are formed by beam beams with I-shaped cross-section, wherein one of the scaffolds 502 at the end of the other scaffolding 501 is fixed so that they form a T-shaped support base.

As can be clearly seen, the scaffolding carries 501 receiving means 5011 for guide rails for cabins 2a . 2 B and the scaffolding 502 carries absorption means 5021 for guide rails 31 for counterweights.

According to one Property of the pit floor, this is from a preassembled Unit formed for that is ready, mounted on the floor of the elevator shaft become.

• – einem Geschwindigkeitsbegrenzer 506 für die Kabine;
• – einem Geschwindigkeitsbegrenzer 503 für die Gegengewichte;
• – einer Dämpfungsvorrichtung 505 für die Kabine;
• – einer Dämpfungsvorrichtung 504 für das Gegengewicht.

Such a pre-assembled pit bottom module is preferably equipped in advance with the following:

• - a speed limiter 506 for the cabin;
• - a speed limiter 503 for the counterweights;
• - A damping device 505 for the cabin;
• - A damping device 504 for the counterweight.

As in 6 shown forms the machine floor 60 a pre-assembled means for closing the elevator shaft in its upper portion.

This machine floor 62 covers on a sheet 61 two electrical cabinets 62 , two transformers 63 and two engines 63 with rewinders for the pull cables 41 ,

This floor 60 is simply installed by putting on carrier 101 is set that with the shaft 10 are firmly connected. These carriers 101 support the ground 60 and provide its attachment by simple welding, bolting or pinning.

• – Vormontage eines Elements (oder, in weiteren Ausführungsformen, mehrere Elemente), das aus einer Reihe von Trägergerüsten, einer Führungsschiene für Kabinen, zwei Führungsschienen für Gegengewichte und Mittel zum Halten und/oder Befestigen des Aufzugsschachts gebildet wird;
• – Vormontage eines Grubenbodenmoduls, wie demjenigen, das zuvor beschrieben wurde;
• – Vormontage eines Bodens, der dafür vorgesehen ist, die Maschinen (Motor(en), Transformator(en), Elektrikschrank/schränke etc.) zu tragen, wie demjenigen, der zuvor beschrieben wurde.

The assembling procedure of an equipment unit for elevator shafts is carried out in the following way:

• - Pre-assembly of an element (or, in other embodiments, a plurality of elements), which is formed of a series of support frames, a guide rail for cabs, two guide rails for counterweights and means for holding and / or securing the elevator shaft;
• - pre-assembly of a pit bottom module, such as the one described above;
• - pre-assembly of a floor intended to carry the machinery (motor (s), transformer (s), electrical cabinet (s), etc.), such as the one previously described.

Preferably the prefabricated element is dimensioned so that it is necessary is to assemble two (or three) elements to the whole Height of Equip elevator shaft.

In addition, will the prefabricated according to the invention Elements as well as the pit floor modules and the machine floor below Using any suitable assembly technique made, for example by welding or screwing.

In In an initial phase, the pit bottom module becomes the base of the elevator shaft brought and positioned and fixed there.

At one of the walls the elevator shaft becomes a guide rail for the Cabin mounted in the shaft.

The first element, after it has been inserted into the shaft, positioned relative to the receiving means of the pit bottom module, wherein this first element cooperates with the pit bottom module.

The one or more prefabricated elements are placed in the elevator shaft introduced and attached to this.

in the Case of several elements they are also attached to each other, for example by means of bolted plates. In this case is it is also necessary to electrically interconnect the elements.

These Connection can also be obtained by clicking on each of the Elements sections with a length be provided, which corresponds to that of the elements. According to one Variant wears one the elements (preferably the element in the upper part last is mounted) the entire length the wiring, starting from the corresponding element up to the base of the shaft, and this wiring becomes connected to the other elements.

The Prefabricated elements are designed and assembled to fit them can be assembled in the final position with the free edge, the the decks and / or decks inside the hoistway exhibit.

This Assembly is either by welding or by screwing (In particular by the technique of "self-welding" pins, called Nelson bolts are known) realized.

in the Case of a lift with two cabins, the elements are put together that they occupy a central position, creating a kind of form the central footbridge. Therefor The one or more elements are introduced into the shaft, wherein they twisted relative to their final position by a quarter turn are to introduce to facilitate. Once they are at the desired height, the item becomes therefore about 90 ° around turned itself, so that it at the stop zones of the corresponding Decks and / or decks is positioned.

In a final one Phase becomes the carrier plate of the machines on carriers positioned, which are firmly connected to the shaft.

Of course it includes the assembly more conventional operations concerning the wiring, the lighting etc.

Claims (13)

An elevator system comprising two cabins and two counterweights and provided with an element intended to provide a hoistway comprising: - at least one supporting framework ( 5 ); At least one guide rail ( 2 B ) for cabins ( 1 ); At least one guide rail ( 31 ) for counterweights ( 3 ); - means for holding and / or fastening ( 6 ) of the element at the elevator shaft, wherein the element is formed in the form of a preassembled unit which is ready to be mounted in the elevator shaft, characterized in that the guide rails ( 2 B . 31 ) for cabins ( 1 ) and counterweights ( 3 ) carried out so twice and on the framework ( 5 ), that the element is mounted in an elevator shaft, which is suitable for two cabins ( 1 ), can be mounted at a substantially central position. Elevator system according to claim 1, characterized in that it also comprises at least one channel ( 8th ), which is intended to supply the electrical supply cable of the elevator car ( 1 ) and at least one ladder ( 9 ). Elevator system according to one of claims 1 and 2, characterized in that the supporting framework ( 5 ) at least one longitudinal carrier ( 52 ), which is intended to run horizontally, wherein the guide rail ( 2 B ) for cabins ( 1 ) on one side of the longitudinal member ( 52 ) and the other side of the longitudinal member ( 52 ) at least two carriers ( 53 ), each of which is fixed to a guide rail ( 31 ) for counterweights ( 3 ), and in such a way that the side member ( 52 ) and the carriers ( 53 ) together define a space in which the counterweight ( 3 ) running. Elevator system according to one of claims 1 to 3, characterized in that the framework ( 5 ) fixed with at least one reinforcing rod ( 51 ) intended to extend substantially vertically. Elevator system according to claim 1, characterized in that it has at least two longitudinal members ( 52 ) intended to run in the same, substantially horizontal plane, and each of which has at least one guide rail ( 2 B ) for cabins ( 1 ) and at least two carriers ( 53 ), each with a guide rail ( 31 ) for counterweights ( 3 ), and in that the side members ( 52 ) by at least two transverse struts ( 53 . 55 ) are connected so that the supporting framework ( 5 ) forms a frame. Elevator system according to claim 5, characterized in that the frame carries at least one rod, the central rod ( 56 ) and parallel to the longitudinal beams ( 52 ), occupying an intermediate position between them, and at their ends or in the vicinity of them, holding and / or fixing means ( 6 ) wearing. Elevator system according to one of claims 2 to 6, characterized in that the channel (s) ( 8th ) of the longitudinal beams or beams ( 52 ) and in that the one or more ladders ( 9 ) of the central rod (s) ( 56 ) are worn. Elevator system according to one of claims 4 to 7, characterized in that it comprises at least two supporting frameworks ( 5 ) which are substantially parallel to each other and which pass through the one or more reinforcing rods ( 51 ) are connected. Elevator system according to one of the preceding claims, characterized in that it comprises: - at least one module, the pit bottom module ( 50 ) and which is intended to be attached to the base of the elevator shaft, and the at least two support racks ( 501 . 502 ), wherein the means for receiving ( 5011 ) of the guide rails for cabins and the other means for receiving ( 5021 ) of the guide rails for counterweights. Elevator system according to claim 9, characterized in that the pit bottom module ( 50 ) is formed in the form of a preassembled unit ready to be mounted. Elevator system according to one of claims 9 and 10, characterized in that it also comprises a machine floor ( 60 ) which forms a closure member for the elevator shaft at its upper end and which is formed in the form of a preassembled unit ready to be mounted. Assembly method for an elevator system according to one of the preceding claims, characterized in that it comprises the following steps: - realization of at least one pit bottom module ( 50 ) in the form of a preassembled unit ready to be mounted at the base of the elevator shaft; Realization of at least one system according to one of claims 1 to 8; - installation and fixing of the pit bottom module ( 50 ) at the base of the elevator shaft; - installing and fixing the at least one element on the pit bottom module ( 50 ); - mounting the means for holding and / or fastening ( 6 ) of the one or more elements on the elevator shaft. Assembly method according to claim 12, characterized in that it comprises the step of installing a machine floor ( 60 ) which forms an element for closing the elevator shaft at its upper end and which is formed in the form of a preassembled unit ready to be mounted by 60 ) to straps that are firmly connected to the elevator shaft, simply placed on the stop and fastened.