EP3978707A2 - Procédé d'équipement ultérieur d'un bâtiment avec un ascenseur et tour d'ascenseur préfabriquée et transportable - Google Patents

Procédé d'équipement ultérieur d'un bâtiment avec un ascenseur et tour d'ascenseur préfabriquée et transportable Download PDF

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Publication number
EP3978707A2
EP3978707A2 EP21196059.6A EP21196059A EP3978707A2 EP 3978707 A2 EP3978707 A2 EP 3978707A2 EP 21196059 A EP21196059 A EP 21196059A EP 3978707 A2 EP3978707 A2 EP 3978707A2
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EP
European Patent Office
Prior art keywords
elevator
stairwell
staircase
landings
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21196059.6A
Other languages
German (de)
English (en)
Other versions
EP3978707A3 (fr
Inventor
Manfred Greschbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Priority claimed from DE102020129790.4A external-priority patent/DE102020129790A1/de
Application filed by Individual filed Critical Individual
Publication of EP3978707A2 publication Critical patent/EP3978707A2/fr
Publication of EP3978707A3 publication Critical patent/EP3978707A3/fr
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0005—Constructional features of hoistways
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00—Vertical ducts; Channels, e.g. for drainage
    • E04F17/005—Lift shafts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0266—Enlarging

Definitions

  • the invention relates to a method for retrofitting a building with an elevator system according to the preamble of patent claim 1 and a prefabricated, transportable elevator tower for use in such a method.
  • a building having a plurality of floors is being retrofitted. These each have at least one floor door, with the floor doors being accessible via a shared staircase.
  • the stairwell is within the building envelope and is adjacent to a front of the building such that that portion of the building envelope front that coincides with the front of the stairwell forms a stairwell facade.
  • a main platform for the storey doors in the stairwell is provided on each floor of the building. Between the floors there is an intermediate landing arranged on the stairwell facade for a double flight of stairs, which connects the intermediate landings and the main landings with each other.
  • Elevator systems to be added to a building or to retrofit a building are generally used in older buildings where barrier-free access has not yet been ensured.
  • older residential buildings with a plurality of residential units that are spread over several floors but also administrative buildings and commercial buildings have often been built in the aforementioned construction; they have a plurality of floors, which are divided in particular into several residential units or other self-contained units and have corresponding floor doors that are accessible via a common stairwell.
  • This design integrates the stairwell at the front of the building, with an entrance door at ground level and a double flight of stairs that enables access to all storey doors via intermediate landings and main landings on each floor.
  • a corresponding building is to be modernized to be largely barrier-free by retrofitting a lift system, it is therefore still the method of choice to gut the stairwell and completely rebuild it with a lift system build up. Since access to the storey doors is generally not possible during the corresponding construction period, retrofitting a corresponding building with a lift system is often avoided, at least from the point of view of the greatest possible accessibility.
  • the intermediate platforms of the stairwell are removed and the double-flight staircase dismantled.
  • walkways are installed in the stairwell, which extend horizontally from the main landings to the elevator landings and only partially cover the floor plan of the stairwell in projection, in order to leave clear space for a single flight of stairs, which connects the main landings and the elevator landings.
  • the prefabricated elevator system is then placed on the staircase prepared in this way and now provided with a single-flight staircase, aligned and connected to the elevator landings or the outer landing elements. The result is a stairwell in which the doors of the elevator system are level with the landing doors via the elevator landings, the webs and the main landings and are therefore barrier-free.
  • the present invention is based on this state of the art and is based on the object of designing the method just described more cost-effectively and further developing it in the sense of the greatest possible sustainability. and to provide a prefabricated, transportable elevator tower for use in such a method.
  • the method according to the invention therefore differs from the method of the last-mentioned prior art mainly in that the double-flight staircase is not removed and completely replaced by a new, single-flight staircase, but the double-flight staircase is converted into a single-flight staircase, i.e. the two sections of the two-flight staircase, which are attached to one and the same intermediate landing, are placed together in the same orientation (for which one of the two sections must first be rotated by 180 degrees around the vertical axis) in order to form a section of a single-flight staircase, which has a main landing with the elevator platform of a floor above or below.
  • Which half of the double-flight staircase is dismantled can vary depending on the structural conditions, with the stair sections of the same half of the staircase being naturally dismantled on all floors. In any case, it makes sense to leave that half of the double flight of stairs in the stairwell that connects the front door on the ground floor with the first main landing. Because the stairway connection between the front door and the first main landing of the building must remain in place anyway in order to ensure an escape route without using the elevator.
  • the frame can be placed against the stairwell facade before or after opening the front of the building.
  • the foundation for the prefabricated elevator system can also be prepared later.
  • the frame is not placed as such on the stairwell facade, but it is prefabricated together with the elevator system and delivered together with this to the construction site, and also together with this the foundation was placed and aligned, thus placed on the stairwell facade.
  • This is preferably done in the form of a prefabricated, transportable elevator tower, as defined in patent claim 11 as a further aspect of the present invention.
  • Such a prefabricated, transportable elevator tower contains an elevator system with a shaft, which has a passage opening for each floor to be approached, and with a car mounted in the shaft so that it can be moved in a longitudinal direction of the shaft, and its drive.
  • the elevator tower contains the frame, which has an elevator landing on each floor in front of the corresponding passage opening of the shaft, or which is provided with receptacles for such elevator landings.
  • the frame is preferably manufactured as a steel construction and, more preferably, provided with side walls in metal construction, since it becomes part of the stairwell after the elevator system has been attached. This makes it possible to prefabricate the frame, possibly even with side walls. However, it is also possible within the scope of the present invention to first produce the frame on site and to adapt it to the circumstances. It can also be provided within the scope of the present invention to prefabricate the frame with elevator platforms, or to prefabricate the frame with elevator platforms and webs already attached thereto in order to make the degree of prefabrication as high as possible. As mentioned, in a variant of the present invention, the frame is prefabricated together with the elevator system and transported together with it to the construction site and positioned against the open staircase.
  • the frame which is preferably prefabricated as a steel construction with four longitudinal beams and a number of transverse beams and is equipped with or without elevator platforms, can also be used as a scaffold for opening the front.
  • the tools required for opening the front of the building such as concrete saws or the like, are then expediently guided on the frame.
  • the frame can therefore be used in a preferred manner as an auxiliary construction for some process steps according to the invention, which in turn can contribute to cost containment and sustainability.
  • figure 1 shows the initial situation: A building 1 with a basement 2 and six floors 3, 3.1, 3.2 ... is to be equipped with a prefabricated elevator system (cf. 4 ) to be retrofitted.
  • a prefabricated elevator system cf. 4
  • windows 9 for illuminating the stairwell 5 and a front door 10 are present.
  • the front door 10 leads to a ground-level slab 11 in front of the building 1.
  • the front door 10 leads to a first intermediate landing 12, from which the main landing 6 for the first floor 3, which forms the ground floor, can be reached via a first stair section 13 of a double flight of stairs.
  • a second stair section 14 of the double flight of stairs leads from the intermediate landing 12 to the basement 2.
  • the double flight of stairs of the staircase 5 connects with its first half of the staircase, which consists of the first staircase sections 13.1, 13.2..., and its second half of the staircase, the is formed from the second stair sections 14.1, 14.2..., the main landings 6, 6.1, 6.2..., in each case via intermediate landings 12, 12.1, 12.2... between the floors.
  • the intermediate landings 12, 12.1, 12.2... adjoin the staircase facade 8 from the inside.
  • FIG 2 shows a first phase in the retrofitting of the building 1 according to the invention with an elevator system.
  • a foundation 15 is produced in front of the stairwell facade 8, in particular to be able to securely base the elevator system (not shown here).
  • the foundation 15 can also be used to set up a frame 8 (see figure 3 ) to serve.
  • This foundation 15 is made of concrete in a known manner.
  • FIG. 3 A further phase of the method according to the invention is in figure 3 shown, whereby the degree of abstraction of the drawing was increased here in order to better illustrate the procedural steps.
  • part of the front 7 of the building 1, which was not removed when removing the stairwell facade 8, has only been omitted for the sake of clarity.
  • a frame 16 made of steel profiles welded to one another with four longitudinal beams 26 and a plurality of transverse beams 27 is placed in a recess in the foundation 15 provided for this purpose.
  • the frame 16 is anchored to the facade of the building 1 (not shown in more detail here) in order to create a fixed connection to the building 1.
  • the frame 16 is provided with additional steel profiles at the level of the main landings 6 . . . which form a receptacle 17 , 17 . How symbolic in figure 3 is shown, the intermediate landings 12... are released from their anchoring in the stairwell 5 and placed in the receptacles 17... (and fastened there), where they are used as elevator landings 18, 18.1, 18.2.... There is therefore no need to manufacture new elevator platforms 18... or to dispose of the intermediate platforms 12...
  • the frame 16 can also be placed against the building before the front side 7 of the building 1 is opened and serve as an auxiliary construction for removing the stairwell facade 8 .
  • the elevator system 22 only covers about half the width of the elevator landings 18... and thus of the frame 16, so that the window openings 21 can be attached next to them, but on the other hand there is also space for a house door 10' that is offset upwards to ground floor level . This can be reached from the "ground floor” elevator landing 18 and ensures access to the stairwell 5 from the outside that is independent of the elevator system 22 .
  • the front door 10' (not visible here) is made accessible via an outside staircase 31, while the elevator system 22 is provided to the outside with a ground-level door opening 30 (also not visible here).
  • FIG 5 An exemplary embodiment of a prefabricated, transportable elevator tower 24 is shown, which is used according to a variant of a method according to the invention for retrofitting a building with an elevator system 22.
  • This elevator tower 24 contains an operationally prepared elevator system 22, the shaft 25 of which is not clad and can be seen in the foundation 15 underride of the elevator system 22; the floor level is indicated with a broken line 28 .
  • the elevator tower 24 also contains the frame 16, which here also consists of longitudinal bars 26 and transverse bars 27 (not visible here).
  • the longitudinal beams 26 are again visible below the ground level 28, specifically in that area which is to be placed in the foundation 15.
  • the combination of elevator system 22 and frame 16 is covered with metal plates or side walls 29 .
  • the front door 10' which has an escape route or Access to the stairwell from the outside is already guaranteed as part of the prefabricated elevator tower 24.
  • the elevator system 22 is provided with a ground floor door opening 30 at ground level, which opens outwards and forms the barrier-free "front door".
  • the figures 6 and 7 show from different perspectives how the elevator tower 24 looks like figure 5 before the opened and prepared according to the method according to the invention (cf. Figures 1 to 4 ) staircase of building 1 is applied: After the elevator tower 24 has been inserted into the foundation 15 and the elevator tower 24 has been attached to the building 1, it is only necessary to connect the elevator platforms 18 (not visible here) to the single-flight stairs and the webs 19 - the elevator platforms 18 either being attached during the prefabrication of the Elevator tower 24 were used in the frame 16 - or the expanded intermediate platforms 12 are used as elevator platforms 18 in the frame 16 - and the elevator tower 24 is anchored to the building 1 for safety reasons in order to complete the retrofitting of the building with an elevator system. All that then remains is to provide the front door 10' with an outside staircase 31 in order to enable access to the building 1 without using the elevator system 22.
  • the staircase 8 Due to the prefabrication of the elevator tower 24, the staircase 8 has already been expanded to include the elevator system 22 and the elevator landings 18 in the frame 16, with the side walls 29 forming the new outer shell of the building 1. If no corresponding seals are prefabricated, it is advisable to seal the joints between the elevator tower 24 and the building 1, e.g. with sealing foam.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
EP21196059.6A 2020-09-30 2021-09-10 Procédé d'équipement ultérieur d'un bâtiment avec un ascenseur et tour d'ascenseur préfabriquée et transportable Pending EP3978707A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020125569 2020-09-30
DE102020129790.4A DE102020129790A1 (de) 2020-09-30 2020-11-11 Verfahren zum Nachrüsten eines Gebäudes mit einer Aufzugsanlage und vorgefertigter, transportierbarer Aufzugsturm

Publications (2)

Publication Number Publication Date
EP3978707A2 true EP3978707A2 (fr) 2022-04-06
EP3978707A3 EP3978707A3 (fr) 2022-07-20

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EP21196059.6A Pending EP3978707A3 (fr) 2020-09-30 2021-09-10 Procédé d'équipement ultérieur d'un bâtiment avec un ascenseur et tour d'ascenseur préfabriquée et transportable

Country Status (2)

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EP (1) EP3978707A3 (fr)
DE (1) DE202021004270U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116517325A (zh) * 2022-09-07 2023-08-01 金陵科技学院 一种新型的用于既有建筑加装电梯的装配式钢木楼梯及其施工方法
EP4253297A1 (fr) * 2022-03-30 2023-10-04 Manfred Greschbach Échafaudage auxiliaire et procédé de rééquipement d'un bâtiment avec un ascenseur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19633636A1 (de) 1996-08-21 1998-02-26 Grohs Gerwald Dipl Bauing Aufzugsschächte, Aufzugskabine und Verbindungsgänge als Raumzelle
DE20300662U1 (de) 2003-01-16 2003-04-10 Bwh Construction Gmbh Baukonstruktion zur nachträglichen Anbindung eines Außenaufzuges an ein Treppenhaus eines mehrgeschossigen Gebäudes
EP3315448A2 (fr) 2016-10-28 2018-05-02 Manfred Greschbach Installation d'ascenseur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19522046C2 (de) * 1995-06-17 1998-04-09 Spannkeramik Und Bau Gmbh Trib Außenaufzugsschacht
JP2007238315A (ja) * 2006-03-10 2007-09-20 Yutaka Komyo 集合住宅用後付けエレベータのかご室昇降路の隔壁構造物
DE102011052727A1 (de) * 2011-08-16 2013-03-07 Rico Müller Aufzugsanlage und Verfahren zu deren Anbindung an das Treppenhaus eines bestehenden Gebäudes
CN204588379U (zh) * 2015-03-11 2015-08-26 上海长江斯迈普电梯有限公司 用于室外的独岛型电梯
JP5946576B1 (ja) * 2015-10-09 2016-07-06 松尾建設株式会社 既存階段室型集合住宅へのエレベータ後付け工法
DE102019107165A1 (de) * 2019-03-20 2020-09-24 Manfred Greschbach Verfahren zum Nachrüsten eines Gebäudes mit einer Aufzugsanlage, Bauteilsatz zur Durchführung des Verfahrens, Aufzugsanlage und vorgefertigter Schacht für die Aufzugsanlage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19633636A1 (de) 1996-08-21 1998-02-26 Grohs Gerwald Dipl Bauing Aufzugsschächte, Aufzugskabine und Verbindungsgänge als Raumzelle
DE20300662U1 (de) 2003-01-16 2003-04-10 Bwh Construction Gmbh Baukonstruktion zur nachträglichen Anbindung eines Außenaufzuges an ein Treppenhaus eines mehrgeschossigen Gebäudes
EP3315448A2 (fr) 2016-10-28 2018-05-02 Manfred Greschbach Installation d'ascenseur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253297A1 (fr) * 2022-03-30 2023-10-04 Manfred Greschbach Échafaudage auxiliaire et procédé de rééquipement d'un bâtiment avec un ascenseur
CN116517325A (zh) * 2022-09-07 2023-08-01 金陵科技学院 一种新型的用于既有建筑加装电梯的装配式钢木楼梯及其施工方法
CN116517325B (zh) * 2022-09-07 2024-01-19 金陵科技学院 一种新型的用于既有建筑加装电梯的装配式钢木楼梯及其施工方法

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Publication number Publication date
EP3978707A3 (fr) 2022-07-20
DE202021004270U1 (de) 2023-05-08

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