Platform for elevator system of building under construction

Abstract

An elevator installation (1) for a building (10) under construction having an elevator shaft (2) that rises as the height of the building increases during a construction phase of the building, comprising a platform (7) having a sealing structure (11) for sealing or closing a gap between the platform and the elevator shaft (2). In this case, the sealing structure (11) has side elements (14, 15) for sealing against the shaft walls (12, 13) and corner elements (16) for sealing against corner regions between the shaft walls (12, 13), the side elements (14, 15) being able to rest against the shaft walls (12, 13) by means of the corner elements (16) using a quick-acting clamp (18).

Description

Field of the Invention

[0001] The present invention relates to a platform for an elevator installation, which elevator installation has an elevator shaft that increases in height as the building height increases during the course of the construction phase of a building, and the present invention relates to such an elevator installation. In this context, such an elevator installation is particularly suitable for the construction site of a high-rise building. Background Art

[0002] When constructing a building, the lower floors that are first completed may already be finished and can be inhabited or used. For this purpose, the elevator installation includes an elevator car that can be used to travel to the floors that have been used as residential or commercial premises during the building construction phase. Here, the construction-phase elevator with such an elevator car grows with the building, that is, the available lifting height of the construction elevator increases as the height of the building or the elevator shaft increases. This enables: construction workers and building materials, or, if necessary, users of apartments or commercial premises that have already moved in before the building is completed, to be transported by means of this elevator car during the construction. Such an elevator installation is known from US2016 / 0152442A1. This elevator installation has a machine platform that can move along the elevator shaft, and the elevator car is suspended from this machine platform by means of a suspension device arranged in the elevator shaft. The machine platform is lifted accordingly to increase the available lifting height of the elevator car in the elevator shaft. To lift the machine platform, there is provided a platform that can move along the elevator shaft to form a load-bearing structure that can be supported on the wall of the elevator shaft. The load-bearing structures arranged above the machine platform are each lifted to a height by means of a first lifter installed in the upper region of the elevator shaft before the machine platform is lifted, at which height the platform supported by this load-bearing structure can be lifted by a certain stroke. A second lifter arranged on the above-mentioned load-bearing structure is used to lift the machine platform.

[0003] In the above prior art, the elevator car in the construction phase can continue to be used for the normal use of the building after the building is completed. However, it is also known to replace the elevator car in the construction phase with a new elevator car after the building is completed. In this case, the elevator car in the construction phase can be designed as a self-propelled elevator car. Such a self-propelled elevator car is disclosed, for example, in WO2019 / 238530A1, which is used in an elevator installation for a building under construction, which elevator installation has an elevator shaft that increases in height as the building height increases during the course of the construction phase of the building. Different platforms are also used here.

[0004] With the aid of such climbing formwork, an elevator shaft can be built in a building. The climbing formwork is a discontinuous formwork system for building tower-like structures. With the climbing formwork, it is possible to build the concrete segments of the elevator shaft layer by layer. Water is used when pouring the concrete. And due to weather conditions, for example during heavy rainfall, unwanted water may also enter the shaft. In addition, contamination from the concrete may also occur. Another problem with elevator equipment in increasingly tall elevator shafts is that during the construction phase of the building, the construction elevator may be damaged by falling objects. Personnel in the elevator shaft, such as maintenance personnel on the elevator car, may also be injured by falling objects. For example, personnel staying on the assembly platform from which the guide rails for guiding the elevator car are assembled are also at risk. Summary of the Invention

[0005] The object of the present invention is to overcome the disadvantages of the prior art, and in particular to provide a platform for an elevator installation of the type described at the beginning, which reliably prevents water from entering the shaft space below the platform and which is easy to handle or can be operated. The platform should also prevent parts and dust from falling. In addition, an elevator installation equipped with such a platform should be able to be adapted to the increasing height of the building in a simple and efficient manner.

[0006] According to the present invention, these and other objects are achieved by a platform having the features of claim 1. A platform for an elevator installation in a building under construction has an elevator shaft that increases in height as the height of the building increases during the course of the building construction phase, and the platform includes a sealing structure for sealing or closing the gap between the platform and the elevator shaft. Here, the elevator shaft can preferably be an elevator shaft that is substantially rectangular in a top view or floor plan. In this context, the term "elevator shaft" should be understood as a space in a building under construction whose height increases as the construction progresses, and which is dimensioned and designed in such a way that at least one elevator car of an elevator, usually one elevator car and a counterweight of each elevator, can move up and down along a vertical travel path in this space. Such an elevator shaft can be a single shaft surrounded by shaft walls and having the aforementioned rectangular floor plan.

[0007] The sealing structure has side elements for sealing against the shaft walls. Here, the sealing structure can have at least two, preferably at least three, particularly preferably four side elements for sealing against the shaft walls, where each side element is respectively assigned to one of the usually four shaft walls. The sealing structure also includes corner elements for sealing against the corner regions between the shaft walls. Here, depending on the number of side elements, the sealing structure can have at least one, preferably at least two, particularly preferably three, ideally four corner elements.

[0008] The side elements can be abutted against the shaft wall by means of the corner elements. By virtue of the platform having a sealing structure with side elements and corner elements, a series of advantages can be achieved, wherein the sealing structure is designed in such a way that the side elements can be abutted against the shaft wall by means of the corner elements. The above-mentioned gaps can be reliably sealed. When needed, the sealing effect can be easily achieved manually or by appropriate manipulation, and the sealing effect can be released when needed. The platform introduced here is particularly suitable for buildings in which elevator shafts are constructed by means of climbing formwork and for buildings where a rapid construction progress is particularly important. The platform with such a sealing structure can preferably be the upper protective platform. The sealing structure can be used in combination with various types of platforms, which are themselves suitable for the above-mentioned elevator equipment having an elevator shaft that increases in height as the building height increases during the building construction phase. It is also conceivable to retrofit the platforms of such elevator equipment subsequently.

[0009] The sealing structure can be designed to be movable between a deactivated position and the aforementioned activated position. In the deactivated position, the sealing structure is spaced apart from the elevator shaft or the adjacent shaft wall, so that the platform can move vertically unobstructed. In the activated position, the sealing structure contacts the shaft wall, so that the gap between the platform and the elevator shaft is completely or almost completely bridged to close the gap.

[0010] The platform can be designed such that a horizontal clamping element, in particular a quick-clamping device, is provided for each corner element respectively. With less intervention, personnel can easily achieve a high sealing effect manually. For example, the platform equipped with the sealing structure can be the upper protective platform, and the upper protective platform forms a protective roof for the lower assembly platform. The elevator equipment with such a protective platform for a building under construction can operate very quickly and efficiently in terms of sealing the shaft. The downtime during which the elevator cannot operate or work on the assembly platform due to the gap being opened can be significantly reduced. By means of the quick-clamping device, water can be quickly and reliably prevented from entering the shaft space below the platform.

[0011] The quick-clamping device in accordance with the manner of the present invention is a connecting mechanism capable of simply and quickly connecting two adjacent elements; in this case, it involves the connection between the corner element and the adjacent corner area of the elevator shaft. For this purpose, so-called rod-type clamping devices can be used. For example, with a rod-type clamping device, the corner element can be easily clamped against the shaft corner with one hand, so that sealing can be carried out. Of course, other designs of the quick-clamping device can also be considered. In addition, a threaded rod on the clamping element can generally be used to adjust the clamping force.

[0012] The horizontal clamping element can be designed as an angular clamping device. The operation using the angular clamping device is very easy.

[0013] The horizontal clamping element designed as an angular clamp and / or a quick clamp can be a metal base body having a regulating body with two mutually perpendicular legs and movably mounted in the base body, and the regulating body can be moved by a quick clamping lock articulated and supported in the base body for clamping. Here, the quick clamping lock can include a check member that prevents a backward movement against the closing direction. For further clamping, the quick clamp can be additionally tightened by means of a threaded rod, thereby increasing the clamping force and improving the sealing effect.

[0014] The horizontal clamping element can also be designed as a so-called metal angular clamp having an articulated and supported spindle nut for moving the clamping jaws with legs at right angles to each other forward and backward.

[0015] The corresponding corner element can include an angular profile part preferably made of sheet metal. The angular profile part can have an inclined outlet section for leading water inward. Thus, the corresponding corner element can include an angular profile part and a horizontal clamping element, preferably including a quick clamp.

[0016] The angular profile part of the sealing structure can have two vertical wall sections preferably connected to each other at right angles and an inclined outlet section arranged below the wall sections and connected to the wall sections by a flanging part for leading water out in the inward direction. Inward means towards the central area of the elevator shaft or platform, and outward means towards the shaft wall.

[0017] The angular profile part made of sheet metal can also have a stop section for stopping the angular profile part against the shaft wall in the corner area. When in the activated position, the corresponding stop section can directly or indirectly contact the shaft wall. In the preferred indirect case, the angular profile part has a flexible sealing body that ensures contact with the wall surface, thereby achieving an optimal sealing effect.

[0018] The corresponding corner element of the sealing structure can be equipped with a flexible sealing body preferably based on an elastomer and particularly preferably equipped with a rubber seal. The sealing body can have an L-shaped shape in a top view. The sealing body can be a flat sealing profile arranged on the stop section and preferably fixed to the angular profile part by an adhesive connection, a vulcanization process, or by means of a mechanical fixing mechanism. The wall thickness of the rubber seal can be about 2 to 30 mm, preferably about 3 to 10 mm, whereby the seal can also withstand high mechanical stresses during the construction phase, for example, due to wear of the shaft wall.

[0019] The sealing body can be made of an elastic polymeric material, where elastomers are preferably used and rubber is particularly preferably used as the polymeric material. The polymeric material can be selected from, for example, thermoplastic elastomers based on olefins or polyurethanes, crosslinked thermoplastic elastomers based on olefins, thermoplastic copolyesters, styrene block copolymers (SBS, SEBS, SEPS, SEEPS, and MBS), and thermoplastic copolyamides. In addition, the polymeric material can contain a material containing a plasticizer, preferably polypropylene, acrylonitrile-butadiene-styrene copolymer, polycarbonate, polyvinyl chloride, polymethyl methacrylate, polyethylene terephthalate, polyurethane, etc., and mixtures of these materials.

[0020] Taking into account the sealing effect and water collection capacity, it is advantageous that the corner element is designed to extend beyond the side element in the vertical direction.

[0021] Another embodiment relates to a platform in which the corresponding side elements have a sheet-side component and a flexible sealing body. The side elements can be made of a metal sheet, and the side elements can include side walls that are at least inclined in the activated position. The flexible sealing body is the elastomer-based sealing body described above and is particularly preferably a rubber seal.

[0022] For reliable operation, it is advantageous that the sheet-side component is pivotally fixed to the platform. By pivoting, the side element can be moved against the shaft wall and away from the shaft wall again.

[0023] Basically, the side element can also be integrally formed from a single component instead of the above structure using a metal sheet and rubber. In this case, the corresponding side element can have a flexible sealing body preferably based on an elastomer, where the sealing body not only contacts the shaft wall but also forms the side wall, so that water can be captured on the shaft wall side by the sealing body and guided through the sealing body to the lower drip edge. The side wall is now designed flexibly instead of rigidly. Therefore, the side element can be made more or less entirely of rubber.

[0024] The corner element can have an engagement segment that can be supported on the side element. When the activated position is achieved, the engagement segment pushes away the assigned or adjacent side element and ensures that the side element abuts against the shaft wall.

[0025] It would be advantageous if the corresponding side element has an engagement member formed by a protrusion, for example formed by a cap-shaped profile, for the corner element, through which the corner element can load the side element to achieve the activated position. Here, the aforementioned engagement segment can form a segment of the corner element through which the corner element loads the side element.

[0026] In addition to assigning projections to the side elements, it is alternatively or additionally conceivable, if necessary, that, conversely, the corner elements have, for example, punch-shaped joints for loading the side elements to produce an activation position, by means of which the side elements can be moved outwards, for example in a pivoting movement, to abut against the shaft wall.

[0027] The platform can have a flat top structure to form a protective top, and a drainage gap that is rectangular in a top view is formed between the flat top structure and the sealing structure. With the sealing structure, the accumulated water can be easily drained through the drainage gap. Here, the platform is preferably a horizontal, treadable, plate-shaped flat top structure. For this purpose, the platform can include a flat top structure that is adapted to the shaft space and almost completely fills the shaft space in a top view. This flat top structure can be designed in a plate shape or can have plates. During the construction of the flat top structure or during the construction phase, it is preferably oriented horizontally. The sealing structure can be mounted on the flat top structure in the edge region of the upper side of the flat top.

[0028] A vertically movable platform in an elevator shaft that increases in height as the building height increases has a sealing structure for sealing or closing the gap between the platform and the elevator shaft, and the sealing structure can also include a water collection container arranged below the sealing structure. With the water collection container, water can be easily collected and drained as needed in a targeted manner. Such a water collection container is also advantageous for the sealing structure, without the solution that initially requires protection and has side elements and corner elements separated therefrom.

[0029] The water collection container can be designed as a surrounding or annular channel. The channel is preferably located below the drainage gap between the flat top structure and the sealing structure in the platform.

[0030] The flat top structure can include a top plate that provides a protective top, and a drip edge is provided at its roof edge for controlled water drainage. Water can drip from the drip edge into the channel.

[0031] A pipeline, for example in the form of a water pipe, can be connected to the water collection container and in particular to the channel, and through this pipeline, water can be led away from the platform.

[0032] The water collection container can have a closable drainage opening for draining the water collected in the water collection container.

[0033] Another aspect of the present invention relates to an elevator device for a building under construction, the elevator device having an elevator shaft that increases in height as the building height increases during the construction process of the building, and including the above-mentioned platform.

[0034] Finally, another aspect of the present invention relates to a method for constructing an elevator installation for a building under construction, the elevator installation having an elevator shaft that increases in height as the height of the building increases during the building construction phase, wherein, by performing at least one lifting process, the available lifting height of the elevator installation is adapted to the increasing height of the building, in which, for example, a machine platform with an elevator drive and an elevator car suspended on the machine platform by means of a suspension device are lifted in the elevator shaft by means of a lifting device. The method includes: using a platform equipped with a sealing structure, the sealing structure including side elements for sealing against the shaft wall and corner elements for sealing against the corner regions between the shaft walls, wherein the side elements can be abutted against the shaft wall by means of the corner elements. The seal is activated during the construction phase, and at the corresponding activation position, the sealing structure closes the gap between the platform and the elevator shaft. By moving the corner elements towards the corner regions, the activation position can be achieved, in which the side elements are abutted against the shaft wall by means of the corner elements, so that the sealing structure closes the gap between the platform and the elevator shaft during the construction phase. During the lifting process, the seal is brought into a deactivated position. Here, by moving the corner elements back, the sealing structure is brought into an initial position, in which the sealing structure is spaced apart from the elevator shaft, so that the platform can move upwards unobstructed. After the lifting process, the seal returns to the activated position to continue the construction phase. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Other advantages and individual features are obtained from the following description of the embodiments and from the drawings. Among them:

[0036] Figure 1 A schematic view showing an elevator installation for a building under construction, the elevator installation having an elevator shaft that increases in height as the building height increases during the building construction phase.

[0037] Figure 2 Shows according to Figure 1 A top view of a platform sub-region of an elevator installation of the type shown and a corner region of the elevator shaft, wherein the platform includes a sealing structure.

[0038] Figure 3 A perspective view showing the corner region of the platform with a sealing structure.

[0039] Figure 4 A perspective view showing a platform of such an elevator installation that can move vertically as the building height increases according to another embodiment.

[0040] Figure 5 Shows Figure 4 Details of the platform in

[0041] Figure 6A perspective view of another platform is shown. DETAILED DESCRIPTION

[0042] Figure 1 An elevator installation 1 for a building 10 under construction is schematically shown. The building 10 includes an elevator shaft 2 which, during the construction phase of the building, increases in height as the building height increases. An elevator car 4 is installed in the elevator shaft 2. During vertical travel, the elevator car 4 is guided on at least one guide rail strand 3. The elevator installation 1 has, above the elevator car 4, a structure for equipping the upward-growing elevator shaft 2, in particular with guide rails for the guide rail strands 3. This structure includes a protection platform 7, a machine platform 6 and an assembly platform 5 arranged between these two platforms 6, 7. Here, the assembly platform 5 is the platform from which the guide rail strands 3 extend upward. The assembly platform 5 serves as a working platform for assembly personnel. In addition, in addition to the guide rails, the assembly platform 5 can also be used as a transport means for other elevator components to be assembled.

[0043] For the sake of simplicity, Figure 1 only one guide rail strand 3 is shown. For guiding the elevator car 4, preferably two opposite guide rail strands are used. The last-mentioned elevator usually includes, in addition to the elevator car, a counterweight (not shown here). In order to achieve optimal straight-line guidance of the elevator car and the counterweight, a plurality of guide rail strands are required, each guide rail strand consisting of guide rail profile parts arranged in a row.

[0044] In addition to the area of the elevator shaft 2 extending over a plurality of floors, Figure 1 no other building parts outside the elevator shaft 2 are shown. The special feature of the elevator shaft 2 is its vertical extension, in a certain elevator shaft, it is actually possible to cover the entire building height. Here, the building 10 can include one or more such elevator shafts 2. In this embodiment, the elevator shaft 2 is designed for an elevator having an elevator car and a counterweight. However, the elevator shaft 2 can also be designed to accommodate multiple elevators. The elevator shaft 2 can also be designed for a self-propelled construction stage elevator car.

[0045] The elevator car 4 can transport people and goods to or from lower floors during the building construction phase. In particular, the elevator car can be used to transport construction workers and building materials. However, for users of apartments or business premises that have been occupied before the building is completed, it is also possible to make transports, as required, at least between the floors assigned to these rooms.

[0046] The elevator shaft 2 is divided into a plurality of segments in a certain way in the vertical direction. As the lower segment of the elevator shaft 2, which is located below the machine platform 6 having a drive 8 for the elevator, the elevator shaft 2 has already been installed with the necessary guide rails for linearly guiding the elevator car and the elevator counterweight for a completed building. The elevator installation 1 of the building 2 under construction has a conventional elevator car 4 and a counterweight (not shown) that can move in the opposite direction in this segment. The elevator car 4 described here can also be replaced by a self-propelled construction-phase elevator car 4 for transporting people or goods during the construction phase of the building 10. In this case, the machine platform 6 can be replaced by another platform, in particular by a platform without a drive machine for the elevator.

[0047] In the track assembly phase, at least one guide rail strand 3 will extend upward from the assembly platform 6. This track assembly phase is shown in Figure 1 In addition to the assembly of the guide rails, other work on the assembly shaft equipment can also be carried out from the assembly platform 5, or other work steps can also be carried out. In the phase simply referred to as the track assembly phase, the assembly platform 5 can be moved vertically upward or downward to the required position by means of a cable. The assembly platform 5 is suspended on the protection platform 7 by a rope-based lifting device 23.

[0048] The protection platform marked as 7 is temporarily fixed in the upper region of the currently existing elevator shaft 2. The protection platform 7 is designed as a load-bearing structure. The load-bearing structure is mainly used to carry the lifting device 23 by means of which the assembly platform 6 can be moved up and down. The protection platform 7 also includes a mechanism 24 for lifting the machine platform 6. However, the protection platform 7 also has the task of protecting the personnel and equipment in the elevator shaft 2 (especially in the aforementioned assembly platform 5) from objects that may fall during the construction carried out on the building 2.

[0049] After the track assembly phase, the growth phase can be carried out. After the track assembly phase is completed and the elevator shaft 2 has become high enough as the construction progress of the building 2 proceeds, the protection platform 7 must be positioned on the next higher level. The protection platform 7 is lifted to the next higher level, for example, by means of a construction crane, so that as the building height increases, the protection platform 7 can also be raised as the height of the elevator shaft 2 increases. However, it is also possible to move the upper protection platform 7 to the next higher level without using a crane in other ways. When the next higher level is reached, the protection platform 7 is temporarily fixed in the elevator shaft 2 again. Then, the machine platform 6 can be lifted to the next higher level. For this purpose, the protection platform 7 has a lifting mechanism 24, such as a chain hoist. The chain hoist is designed such that the machine platform 7 can preferably be lifted upward together with the attached elevator car 4 during the lifting process. However, the process of moving the machine platform 7 to the upper use position can also be achieved by other lifting mechanisms, such as a crane, a winch, a hydraulic jack, or a wire rope jack. Other elevator equipment for a building under construction is also known, which has an elevator shaft that increases in height as the building height increases during the construction phase of the building, and the elevator equipment uses additional or alternatively designed platforms. The special solution for sealing the shaft space, which is shown and described in detail below with the platform 7 as an example, can in principle be used for all types of platforms used in such elevator equipment.

[0050] The platform 7 of the elevator equipment according to Figure 1 can also be assigned to a climbing formwork or even be a component of a climbing formwork. The climbing formwork includes a formwork (not shown) for concrete pouring. In this case, the platform 7 can thus be designed as a climbing formwork platform for layer-by-layer construction of the concrete segments of the building core including the elevator shaft 2. The climbing formwork platform can have an integrated climbing drive and be designed as a self-climbing formwork platform. However, as Figure 1 shown, in another variant, the climbing formwork platform can be suspended layer by layer in the anchors in the shaft wall.

[0051] The platform 7 has a horizontal roof structure for covering the elevator shaft 2, on which a sealing structure labeled 11 is arranged. The sealing structure 11 is used to seal or close the gap between the platform 7 and the elevator shaft 2. The seal, which is designed as a circumferential sealing structure, is mounted on the platform 7 on the edge side. Figures 2 to 4 The sealing structure 11 shown in

[0052] Figure 2The corner region of the elevator shaft 2 is shown, where the shaft walls 12, 13 arranged at right angles to each other enclose a corner. The sealing structure 11 of the platform 7 includes side elements 14, 15 for sealing against the shaft walls marked 12 and 13. The sealing structure 11 also includes a corner element 16 for sealing against the corner region between the shaft walls 12, 13. Generally, the sealing structure 11 has: four such side elements 12, 13, where each side element is respectively assigned to one shaft wall; and four such corner elements 16, each corner element being respectively assigned to one of the four corner regions of the elevator shaft. The side elements 14, 15 can be abutted against the shaft walls 12, 13 by the corner element 16. In Figure 2 , the sealing structure 11 is in a position where the side elements 14, 15 and the corner element 16 are in contact with the elevator shaft 2 and thus seal the elevator shaft. Hereinafter, this position is also referred to as the activated position.

[0053] To achieve the activated position, the sealing structure 11 has a horizontal clamping element in the form of a quick clamp 16. During the closing process, the quick clamp 16 first acts on the corner element 16 and then presses two adjacent side elements 14, 15 against the corresponding shaft walls 12, 13, thereby ensuring the sealing effect.

[0054] The quick clamp 16 includes a metal base body 34 having two legs 35, 36 arranged at right angles to each other and an adjusting body 37 movably supported in the base body. The adjusting body can be moved for clamping by a quick clamping lock 38 hingedly supported in the base body. By means of a threaded rod 39, the clamping force can be adjusted by turning a handle 40. In this way, the platform 7 can be manually sealed very easily and quickly. Of course, other means can also be used to move the corner element 16 towards the corner so that the side elements abut against the shaft walls. For example, it can be envisaged to use an adjusting device operable by a motor to move the corner element 16.

[0055] Figure 3 The platform 7 of an elevator installation for a building under construction is shown. The elevator installation has an elevator shaft that increases in height as the building height increases during the construction phase of the building. The platform has a sealing structure 11 for sealing or closing the gap between the platform and the elevator shaft. To better understand this structure, Figure 3 the mechanism for moving the corner element 16 of the sealing structure 11 is not shown. The sealing structure 11 can be operable by a motor. However, it would also be advantageous here to use a manual adjusting device such as, for example, a quick clamp according to the Figure 2 embodiment.

[0056] The corresponding corner element 16 includes an angular profile part 19 made of metal sheet. The angular profile part 19, which is L-shaped in plan view, has two vertical wall segments 29 connected to each other at a right angle, and a downwardly inclined outlet segment 28 adjoins the vertical wall segment 29. The outlet segment 28 is used to conduct water inwards. The angular profile part 19 also has a abutment segment 31 for abutting the angular profile part against the shaft wall in the corner area. A flat rubber seal 25 is arranged on the outer side of the abutment segment 31. When in the activated position, the abutment segment 31 contacts the corresponding shaft wall through the rubber seal 25. In addition to the rubber sealing ring, other elastic polymer materials can also be considered for forming the flexible sealing body. The sealing body can also have other shapes. In addition to the sealing body or sealing strip designed as a flat sealing profile, more complex sealing bodies, such as hollow profile seals, can also be considered.

[0057] The angular profile part 19 with the abutment segment 31, the wall segment 29 and the outlet segment 28 can be made of two sheet cut segments, which are connected together by welding after a hemming process. Then, the wall segments 29 are connected to each other by diagonal reinforcement plates to strengthen the angular shape.

[0058] The side elements 14, 15 arranged more outwardly than the corner element 16 on the platform 7 are constructed in a similar manner. The side elements 14, 15 also have sheet parts. In the present case, the corresponding side elements 14, 15 consist of a sheet side part 45 made of metal sheet and a rubber seal 26. Here, the sheet side part 45 has an inclined side wall 30 and an adjacent upper vertical wall segment, and the upper vertical wall segment forms the abutment segment 32 of the side parts 14, 15. A flat rubber seal 26 is arranged on the outer side of the abutment segment 31, and when in the activated position, the flat rubber seal abuts against the corresponding shaft wall by means of the corresponding shaft wall. The sheet side part 45 can be pivotally connected to the platform 7. The side elements 14, 15 have a joint for the corner element 16 realized by a cap-shaped profile 27, and the corner element 16 acts on the side elements 14, 15 through this joint to achieve the activated position. The corner element 16 projects beyond the side elements 14, 15 in the vertical direction.

[0059] In addition, from Figure 3It can be seen that a drainage gap 21 is formed between the flat top structure 33 simplified from a plate and the sealing structure 11. The task of the drainage gap, which is rectangular in plan view, is to easily drain the accumulated water when the sealing structure 11 is used. The water flows through the drainage gap 21 into the surrounding channel 20. The water can be sent from this water collection container 20, for example, via a hose-shaped discharge pipe to the next floor and fed into the sewer system there. Instead of a single plate, the flat top structure can also be composed of multiple parts, for example, composed of slats arranged adjacent to each other.

[0060] Figure 4 and Figure 5 Fig. shows a platform 7 with an alternative sealing structure 11. In this sealing structure 11, the corner element 16 for sealing the corner area between the shaft walls is designed similarly to the previous embodiment. The design of the sealing structure 11 is different from that of the side elements 14, 15, which are especially for sealing against the shaft wall. The side elements 14, 15 are basically composed of flat rubber profiles, which extend vertically from the bottom of the platform 7 to the upper end. Accordingly, the corresponding side elements 14, 15 have rubber seals 43, where the rubber seal 43 not only contacts the shaft wall but also forms a side wall 44, so that water can be trapped on the shaft wall side by the sealing body and guided through the rubber seal 43 to the lower drip edge.

[0061] Figure 4 Fig. shows a feasible structural design of the protection platform 7 that can be used for an elevator installation according to Figure 1 The platform 7 has movable support elements that can be inserted into recesses in the shaft wall or placed on the shaft bottom on the shaft door side to fasten the protection platform 7. An electric lifting mechanism 24 with a chain hoist can also be seen. The chain of the chain hoist is stored in a chain storage. The chain hoist can be used to move the movable machine platform and the elevator car from a lower temporary use position to the next higher use position.

[0062] The structural details of the sealing structure 11 can especially be seen from Figure 5 The cassette profile 27 is arranged as a joining part for the corner element 16 on the flat rubber seal 43. The rubber seal 43 is clamped between the inner cassette profile 27 and the outer flat profile.

[0063] Figure 5 Fig. also shows the drainage gap 21 between the flat top structure 33 and the sealing structure 11. The water flows through the drainage gap 21 into a surrounding channel (not shown here).

[0064] The platform 7 has a basic shape that is substantially rectangular when viewed from above. In the horizontal flat top structure 33, a plurality of floor drains 41 are provided ( Figure 4). It can also be seen that the flat top structure 33 is divided into a plurality of compartments defined by partition walls 42. Water from the floor drain 41 can also be collected and sent to the water tank, and from there or, if necessary, even directly discharged through a discharge hose. To form a favorable flat top structure 33 in the form of a plate, slats (not shown here), for example in the form of wooden slats, can be provided. Thanks to such slats, it is ensured that the flat top structure can be stepped on safely. The partition walls 42 can reinforce and strengthen the floor. The slats can extend between the corresponding partition walls 42 and can be supported on these partition walls when the partition walls are designed as load-bearing members of the flat top structure.

[0065] In the activated position, when the corner elements 16 of the sealing structure 11 move the side elements 14, 15 outwards, the corner elements 16 are pushed towards the corner area while the side elements 14, 15 are pushed towards the corresponding shaft wall, thereby ensuring the desired sealing effect.

[0066] Figure 4 The shown floor drain 41 can be arranged in a rubber mat or other flexible flat floor element. Since the floor drain 41 formed of metal parts is relatively heavy, the floor element may arch downwards in a point-like manner, so that waterlogging does not occur and it is ensured that drainage through the floor drain is unproblematic.

[0067] The sealing structure 11 is spaced apart from the shaft wall in the deactivated position, whereby the platform can move vertically unhindered. For example, during the track assembly phase, it must be ensured that the shaft space is safe and that water is prevented from entering the area below the platform. For this purpose, the sealing structure 11 is placed in the activated position. In the activated position, the sealing structure 11 moves outwards compared to the deactivated position, so that in order to close the gap between the platform 7 and the elevator shaft 2, the sealing structure contacts the shaft wall by abutting.

[0068] Figure 6 Another platform 7 for an elevator installation in a building under construction is shown. The elevator installation has an elevator shaft 2 that increases in height as the building height increases during the building construction phase. The platform 7 has a sealing structure with side elements 14, 15 for sealing against the shaft wall. The horizontal, foot-traversable flat top structure 33 has a large number of slats. Here, the slats can be made of wooden strips.

[0069] The flat top structure 33 can also include a bottom plate arranged below the slats, through which water seeping between the slats can be collected. The (not shown here) bottom plate can have a floor drain (see Figure 4). The flat top structure 33 is surrounded by the channel-shaped water collecting container 20, and a waterproof membrane can be provided between the channel and the flat top structure 33 to prevent water from seeping under the platform. The corresponding side elements 14, 15 (as shown by the arrows) are pivotally designed and can pivot to abut against the shaft wall. Here, the corresponding side elements 14, 15 are composed of sheet members 45 that define the side edges, and the rubber seal 26 is connected to the sheet member at its upper end. The sealing structure of the platform 7 has no corner elements. Due to the combination of the water collecting container 20 and the side elements 14, 15, a quite good protection and sealing effect can be achieved. However, the platform 7 can also be equipped and subsequently equipped with corner elements, as previously combined Figures 2 to 4 as introduced, whereby the sealing effect can be further significantly improved.

Claims

1. A platform for use in an elevator installation (1) of a building under construction (10), said building under construction having an elevator shaft (2) that rises as the height of the building increases during the course of the building construction phase, wherein, The platform (6, 7) includes a sealing structure (11) for sealing or closing the gap between the platform and the elevator shaft (2), characterized in that the sealing structure (11) has side elements (14, 15) for sealing against the shaft walls (12, 13) and corner elements (16) for sealing against the corner regions between the shaft walls (12, 13), wherein the side elements (14, 15) can be abutted against the shaft walls (12, 13) by means of the corner elements (16).

2. The platform according to claim 1, wherein A horizontal clamping element, in particular a quick clamp (18), is provided for each corner element (16) respectively.

3. The platform according to claim 2, wherein The horizontal clamping element (18) is designed as an angular clamp.

4. The platform according to any one of claims 1 to 3, characterized in that, The corresponding corner element (16) includes an angular profile part (19) preferably made of sheet metal.

5. The platform according to claim 3 or 4, characterized in that The angular profile part (19) has an inclined lead-out section (28).

6. The platform according to any one of claims 1 to 5, characterized in that, The corresponding corner element (16) is equipped with a flexible sealing body preferably based on an elastomer, and particularly preferably with a rubber seal (25).

7. The platform according to any one of claims 1 to 6, characterized in that, The corner element (16) is designed in such a way that the corner element projects beyond the side elements (14, 15) in the vertical direction (z).

8. The platform according to any one of claims 1 to 7, characterized in that, The corresponding side elements (14, 15) have a sheet-side part with inclined side walls (30), a flexible sealing body preferably based on an elastomer, and particularly preferably with a rubber seal (26).

9. The platform according to claim 8, characterized in that, The sheet-side part is pivotally fixed to the platform.

10. The platform according to any one of claims 1 to 7, characterized in that, The corresponding side elements (14, 15) have a flexible sealing body (43) preferably based on an elastomer and particularly preferably with a rubber seal, wherein the sealing body (43) forms a side wall (44).

11. The platform according to any one of claims 1 to 10, characterized in that, The corresponding side elements (14, 15) have engagement parts formed by protrusions for one or more corner elements (16).

12. The platform according to any one of claims 1 to 11, characterized in that, The platform has a flat top structure (33), and a drainage gap (21) is formed between the flat top structure (33) and the sealing structure (11).

13. The platform according to any one of claims 1 to 12, characterized in that, The platform has a water collecting container (20) arranged below the sealing structure (11), wherein the water collecting container (20) is preferably designed as a surrounding channel.

14. An elevator device (1) for a building under construction (10), the building under construction having an elevator shaft (2) that increases in height as the building height increases during the building construction phase, the elevator device (1) includes at least one platform (6, 7) according to any one of claims 1 to 13, the platform (6, 7) being equipped with a sealing structure (11) for sealing or closing the gap between the platform and the elevator shaft (2).

15. A method for installing an elevator installation (1) for a building (10) under construction, the building under construction having an elevator shaft (2) that rises as the height of the building increases during the course of the building construction phase, characterized in that, Use a platform (6, 7) equipped with a sealing structure (11), the sealing structure including side elements for sealing relative to the shaft walls (12, 13) and corner elements (16) for sealing relative to the corner regions between the shaft walls. The platform is in particular the platform according to any one of claims 1 to 14. By moving the corner element (16) in the direction towards the corner region, the sealing structure (11) is brought to an activated position so that the sealing structure (11) seals or closes the gap between the platform and the elevator shaft during the construction phase. The sealing structure (11) enters the initial position during the lifting process by moving the corner element (16) backwards. In the initial position, the sealing structure (11) is spaced apart from the elevator shaft (2), and the sealing structure (11) enters the activated position again after the lifting process.

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