• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A construction lift 1 has a mast 3 that can be attached to the outer wall of a building. The mast is provided with guides 13, 15 along which a lift car 5 and a counterweight 7 can be moved. At the top of the mast there is a carrier 23 which is also movable along the guides and to which bypass wheels 9 are attached which divert cables 11 via which the elevator car is connected to the counterweight. A rack 17 is attached to the front of the mast and drive motors 19, 25 are provided which are provided with gears 21, 27 which engage with the rack. The elevator cage and the carrier can independently move along the move the mast up and down. The carrier leaves the top of the mast free, so that when the mast is raised a further mast element can be placed on the mast unhindered.
    公开号:NL2020101A
    申请号:NL2020101
    申请日:2017-12-15
    公开日:2018-08-01
    发明作者:Van Gorp Ruud
    申请人:Raxtar B V；
    IPC主号:
    专利说明:

    Construction elevator with movable carrier for bypass wheels DESCRIPTION:
    FIELD OF THE INVENTION
    The invention relates to a construction lift comprising: a first vertical guide, a second vertical guide, a lift cage that is movable along the first guide, a counterweight that is movable along the second guide, at least one bypass wheel connected to the guides, and a cable which is connected to the elevator car and the counterweight and runs over the bypass wheel.
    More in particular, the invention relates to a construction elevator that is mounted against the outside of a facade of a building. As the construction progresses and the building gets higher, the construction lift must also be raised.
    State of the art
    Such a construction lift is generally known. With the known construction elevator, the bypass wheel is located above the guides. When raising the construction elevator, the running wheel must be removed in order to be able to raise the guides and then reinsert the running wheel on top of the guides. This is time-consuming and labor-intensive.
    Summary of the invention
    An object of the invention is to provide a construction elevator of the type described in the preamble, wherein the raising can be carried out faster and easier than with the known construction elevator. To this end, a building lift according to the invention is characterized in that the building lift further comprises a carrier to which the bypass wheel is attached and which is displaceable along the first and / or second guide. When raising the guides, it is not necessary to first remove the running wheel. If the running wheel gets in the way, the carrier can be moved down slightly. After the guides have been raised, the carrier can be moved upwards along the guides until the running wheel is again at the top of the guide.
    A favorable embodiment of the construction lift according to the invention is characterized in that it furthermore comprises a mast, wherein the first and second guides are attached to the mast or form part of the mast. This mast can easily be attached to the outside of the building during construction. When the mast is raised, the guides attached to the mast are simultaneously raised. The elevator car and the counterweight are herein preferably displaceable along an outside of the mast.
    A further favorable embodiment of the construction lift according to the invention is characterized in that the carrier is also present on the outside of the mast and the construction lift comprises a further circulation wheel, wherein the circulation wheels are attached to the carrier on opposite sides of the mast. As a result, the carrier and the mast are loaded symmetrically.
    A favorable constructional embodiment of the construction elevator according to the invention is characterized in that the mast has a rectangular cross-section, wherein the first guide is present at two adjacent corner points and the second guide is present at the other two corner points. The first and second guide here preferably each comprise two vertical tubes.
    A still further embodiment of the construction elevator according to the invention is characterized in that it further comprises: a rack that is attached to the mast, as well as a drive which is attached to the elevator car and is provided with a gear that engages the rack.
    By providing the elevator car with a drive, it does not have to be coupled to the counterweight to be moved upwards along the guide. This is favorable when raising the construction elevator, whereby the elevator car must be coupled to the counterweight in the upper position. The elevator car can move upwards at least in the unladen condition without a counterweight.
    Preferably, the construction elevator furthermore has a further drive which is attached to the carrier and is provided with a further gear wheel which is in engagement with the gear rack. As a result, the carrier can also independently move upwards along the guide and no crane or hoist is required for raising the running wheels.
    In order to be able to raise the mast easily, a work platform provided with a balustrade can be fitted on the elevator car during raising. To this end, a further working platform provided with a further balustrade can be arranged on the carrier.
    Brief description of the drawings
    The invention will be explained in more detail below with reference to an exemplary embodiment of the construction lift according to the invention shown in the drawings. Hereby shows:
    Figure 1 shows an embodiment of the construction lift according to the invention in perspective;
    Figure 2 shows the construction lift in front view;
    Figure 3 shows the construction lift in side view;
    Figure 4 the construction elevator is top view; and
    Figure 5 provides the construction lift with work platforms.
    Detailed description of the drawings
    Figures 1 to 4 show an embodiment of the construction lift according to the invention in different views. The construction lift 1 has a mast 3 that can be attached to the outside wall of a building. An elevator car 5 and a counterweight 7 can be moved along the outside of the mast. At the top of the mast there are circulation wheels 9 on either side of the mast, which guide cables 11 through which the elevator car is connected to the counterweight.
    The mast 3 is constructed from mast elements with a rectangular cross section. The mast elements are formed by four guide tubes at the corner points over which guide wheels attached to the elevator car and counterweight can run. The front two guide tubes form a first guide 13 along which the elevator car 5 can be moved and the two rear guide tubes form a second guide 15 along which the counterweight 7 can be moved. These guide tubes are mutually connected by connecting tubes.
    A gear rack 17 is attached to the front of the mast and drive motors 19 are attached to the elevator car which are provided with gear wheels 21 which engage with the gear rack 17. The elevator car can hereby move up and down independently along the mast 3.
    The deflection wheels 9 are attached to a carrier 23. This carrier is also displaceable along the guides 13 and 15 and is provided with a further drive motor 25 with a further gear 27 coupled thereto, which is also in engagement with the rack 17. The carrier 23 can hereby also lift itself independently along the mast 3 and move down. On each side of the mast, two bypass wheels 9 are attached to the carrier 23, so that the mast is loaded symmetrically.
    The carrier 23 is present around the mast and leaves the top of the mast free. As a result, when raising the mast, a further mast element can be placed on the mast unhindered. After this further mast element has been attached to the mast and the outer wall of the building, the carrier can be moved upwards. When raising the construction lift, the circulation wheels do not have to be removed first. Only the cables of the counterweight and / or the elevator car have to be loosened temporarily during the lifting of the carrier.
    Figure 5 shows the construction lift 1 equipped with a working platform 29 on the lift cage 5. The work platform 29 is provided with a balustrade 31 and is temporarily placed on the elevator car for maintenance work and during the raising of the mast. To this end, further work platforms 33 can also be provided on either side of the carrier 23, which platforms are also provided with a balustrade 35.
    Although in the foregoing the invention has been elucidated with reference to the drawings, it should be noted that the invention is by no means limited to the embodiment shown in the drawings. The invention also extends to all embodiments deviating from the embodiment shown in the drawings within the scope defined by the claims.
    权利要求:
    Claims (10)
    [1]
    A construction lift (1) comprising: a first vertical guide (13), a second vertical guide (15), a lift cage (5) that is movable along the first guide, a counterweight (7) that is movable along the second guide, at least one bypass wheel (9) which is connected to the guides, and a cable (11) which is connected to the elevator car and the counterweight and runs over the bypass wheel, characterized in that the construction lift (1) furthermore has a carrier (23) ) to which the bypass wheel (9) is attached and which is movable along the first and / or second guide (13, 15).
    [2]
    Construction elevator according to claim 1, characterized in that it further comprises a mast (3), wherein the first and second guides (13, 15) are attached to the mast or form part of the mast.
    [3]
    Construction elevator according to claim 2, characterized in that the elevator car (5) and the counterweight (7) can be moved along an outside of the mast (3).
    [4]
    Construction elevator according to claim 2 or 3, characterized in that the carrier (23) is present on the outside of the mast (3) and the construction elevator (1) comprises a further circulation wheel, the circulation wheel and (9) being opposite mutually present sides of the mast are attached to the carrier.
    [5]
    Construction elevator as claimed in claim 2, 3 or 4, characterized in that the mast (3) has a rectangular cross-section, wherein the first guide (13) is present at the location of two adjacent corner points and at the location of the other two corner points second guide (15) is present.
    [6]
    Construction elevator according to claim 2, 3, 4 or 5, characterized in that the first and second guide (13, 15) each comprise two vertical tubes.
    [7]
    Construction elevator according to claim 2, 3, 4, 5 or 6, characterized in that it further comprises: a rack and pinion (17) attached to the mast (3) and a drive (19) attached to the lift cage (5) and provided with a gear (21) that engages with the rack.
    [8]
    Construction elevator according to claim 7, characterized in that it comprises a further drive (25) which is attached to the carrier (23) and is provided with a further gear (27) which engages with the gear rack (17).
    [9]
    Construction elevator according to one of the preceding claims, characterized in that a working platform (29) provided with a balustrade (31) is provided on the elevator car (5).
    [10]
    Construction elevator according to one of the preceding claims, characterized in that a further working platform (33) provided with a further balustrade (35) is attached to the carrier (23).
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    同族专利:
    公开号 | 公开日
    NL2020101B1|2018-09-21|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2021182953A1|2020-03-11|2021-09-16|Raxtar B.V.|Construction lift provided with an auxiliary guide|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL2018220|2017-01-24|
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