• 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 lift installation (1) is described with an elevator car (3) which can be moved up and down in a shaft (2) and a drive machine (4) which is arranged on a machine carrier (5) in a machine room (6) above the shaft (2) is. It is provided that the drive machine (4) has a driven traction sheave (41) for driving a support means (7), and that the bottom (9) of the machine room (6) forms a ceiling or false ceiling of the shaft (2), the at least a breakthrough (10) which is penetrated by the support means (7). It is essential that the at least one opening (10) is penetrated by a support element (13), and the support means (7) is supported on a section of the support element (13) projecting into the shaft (2).
    公开号:AT515346A2
    申请号:T50094/2015
    申请日:2015-02-06
    公开日:2015-08-15
    发明作者:
    申请人:Aufzugswerke Schmitt & Sohn Gmbh & Co Kg；
    IPC主号:
    专利说明:

    The invention relates to an elevator installation according to the preamble of claim 1.
    Elevator installations, which have drives with gearboxes, have disadvantages compared to elevator installations which have gearless drives. The disadvantages include lower efficiency and regular maintenance. The disc-shaped output of the transmission forms a fixed roller over which a rope or band-shaped support means is guided, at the end portions of which an elevator car and a counterweight are arranged. Such a suspension with a fixed roller and suspension of car and counterweight at the end portions of the support means has a gear ratio of 1: 1 between the output torque and the drive torque and is referred to as a 1: 1 suspension.
    To modernize such elevator systems by conversion to gearless drives a 2: 1 suspension is generally chosen in which the Tragmittelenden are attached to the ceiling of the hoistway, while the elevator car and counterweight depending hang by means of pulleys on the support means. This arrangement forms a simple pulley, with which the double payload can be lifted at half speed or in which compared to the 1: 1 suspension of the drive must apply only half the drive torque. Other possible suspensions are the 4: 1 and 6: 1 suspensions, which are preferred for goods lifts.
    EP 2 082 983 B1 describes an elevator installation with an n: 1 suspension in which the drive torque is transmitted via the suspension element via an n: 1 ratio. A first diverting pulley is disposed on the elevator car and a second diverting pulley is disposed on the counterweight. The ratio of the diameter of at least one of the deflection rollers to the thickness of the suspension element perpendicular to the axis of the traction sheave is 30: 1 or less. The pulleys have smaller diameters than the traction sheave. If the suspension element has a round cross-section, then the ratio of the diameter of the deflection roller to the diameter of the suspension element is 30: 1 or smaller.
    Object of the present invention is to provide an elevator system that allows an advantageous conversion of elevator systems in terms of modernization.
    According to the invention this object is achieved with an elevator system according to claim 1 and with a method for modernizing an elevator system according to claim 21.
    It is an elevator system with an up in a shaft and retractable elevator car and a prime mover, which is arranged on a machine frame in a machine room above the shaft (2) proposed, it being provided that the drive machine a driven traction sheave for driving a support means in that the suspension element is designed as a cable or belt which connects the elevator car to a counterweight, in that a floor of the machine room forms a ceiling or false ceiling of the shaft, separates the engine room from the elevator shaft and has at least one opening through which the suspension element passes is that the drive torque of the prime mover via a n: 1 ratio on the suspension means is transmitted to the elevator car, and that on the elevator car, a first guide roller and the counterweight a second guide roller is arranged over which the support means is guided, being proposed that the mind at least one breakthrough is penetrated by a carrier element which is rigidly connected to the machine carrier of the drive machine or with another stationary in the machine room carrier, and that on a projecting into the shaft portion of the support member, the support means is supported to form a support point or more support points the projecting into the shaft portion of the support element.
    The proposed elevator system allows embodiments in which the diameter of the deflection roller is not limited by the width of the opening. Thus, conversions of elevator systems that have drives with gearboxes can be easily performed on gearless drives without changes to the breakthroughs.
    By supporting the end portions of the support means on the projecting into the shaft portion of the support member and not as usual, on a machine room ceiling, it is avoided that more than a portion of the support means is to be led through the opening.
    An n: 1 ratio for n = 2, 4 and 6 is preferred, where n = 2 for passenger lifts and n = 4 or 6 for freight elevators may be preferred.
    It can be provided that at least one end portion of the support means is arranged supported on the protruding into the shaft portion of the support member.
    It can further be provided that at least one carrying roller of the suspension element is supported on the section of the carrier element projecting into the shaft.
    It can be provided that the position of the support of the support means on the protruding into the shaft portion of the support member in the horizontal direction is steplessly or stepwise adjustable.
    At least two support points can be provided, which are arranged at a horizontal distance from each other below the bottom of the machine room forming ceiling of the shaft, each support point is arranged on a respective portion of an associated separate support member or on a portion of a common support member. The common carrier element may be formed, for example, as a support beam.
    It can be provided that at least two support elements are provided and each of the support elements in each case passes through an associated separate breakthrough and has a support point for the support means on the section protruding into the shaft.
    In an advantageous embodiment can be provided that two openings are provided, which are each penetrated by a support member, and that the two end portions of the support means are each supported on a projecting into the shaft portion of the support member.
    The support element may be formed so that at the protruding into the shaft portion of the support member of the support point of the support means, d. H. the end portion of the support means or the support roller is arranged laterally and / or horizontally offset from the longitudinal axis of the support element.
    Preferably, it may be provided in this context that the lateral and / or horizontal offset is formed such that the support point of the support means is arranged outside the alignment of the opening cross section of the opening.
    It can be provided that the carrier element has a vertical arm which reaches through the opening and at whose free end protruding into the shaft at least one foot or horizontal alarm is arranged. In a further development it can be provided that a support point or a plurality of support points is or are arranged on the foot or horizontal arm. Preferred embodiments provide that at the free end of the vertical arm, a first foot or horizontal arm and a second foot or horizontal arm are arranged, wherein the first foot or horizontal arm with its free end in a first direction and the second foot or horizontal arm with its free End facing in a second direction, wherein the first direction is opposite or at an angle to the second direction. In a further development it can be provided that in each case one support point or in each case a plurality of support points are arranged on the first foot or horizontal arm and on the second foot or horizontal arm, preferably in each case the same number of support points.
    At least one carrier element can be arranged to project downwardly projecting through the opening on the machine carrier.
    It can be provided that at least one carrier element is connected to the machine carrier in such a way that the position of the carrier element on the machine carrier is steplessly or stepwise adjustable in the horizontal direction. This design has the advantage that an adaptation to different dimensions of the machine room is possible, in particular to different distances of the openings.
    In a further embodiment, it can be provided that at least one carrier element is connected to the machine carrier in such a way that the carrying means is supported on one or more support points on the section protruding into the shaft, the position of at least one support point being adjustable in the horizontal direction. This design has the advantage that it can be adapted to different diameters of the deflection rollers connected to the elevator car and the counterweight.
    It may further be provided that the machine carrier has two parts which are mutually continuously or stepwise adjustable in the horizontal direction, wherein the carrier element is arranged or formed on at least one of these two parts. With this design, an adaptation to different sizes Liehe machine room is possible, especially at different distances of the openings.
    The protruding into the shaft sections of at least two support elements may be interconnected by a support beam.
    It can be provided that on the support beam, the support means is arranged supported at one or more support points. The support points can be a clamping of an end section of the suspension element and / or one or more support rollers, which are required, for example, for elevators with a 4: 1 and 6: 1 ratio.
    The distance from at least two support points of the support means on the support beam can be continuously or stepwise adjustable in the horizontal direction.
    The inventive method for modernizing an existing on-site elevator system is a method for modernizing an existing on-site elevator system, said elevator system comprises an up in a shaft and retractable elevator car and a prime mover on a machine support in a machine room on the shaft is provided, it being provided that the drive machine has a driven traction sheave for driving a support means, that the support means is formed as a rope or belt which connects the elevator car with a counterweight that a bottom of the engine room, a ceiling or false ceiling of the shaft forms, the engine room separated from the elevator shaft and has at least one opening, which is penetrated by the support means.
    It is essential that the installed in the existing elevator installation drive machine including traction sheave is replaced by a prime mover whose drive motor drives the traction sheave directly, that on the elevator car, a first pulley and the counterweight a second guide roller is arranged and the support means is guided over these pulleys in that the at least one opening is penetrated by a carrier element which is rigidly connected to the machine carrier of the drive machine or to another carrier stationary in the machine room or to the floor or a wall or ceiling of the machine room, and to a section projecting into the shaft the supporting element is supported by forming a support point or a plurality of support points on the section of the carrier element protruding into the shaft, in order to increase the drive torque of the drive machine via an n: 1 ratio via the suspension element to the elevator Cabin, which is greater than the ratio of the originally existing prime mover.
    In a preferred embodiment of the method, it is provided that a highly efficient rope is used as the support means, which is designed as a rope with steel core and plastic sheath.
    Furthermore, it can be provided that the ratio of the roller diameter of the deflection rollers to the rope diameter > 20 is.
    It is of particular advantage if it is provided that the cable has a diameter which is smaller than the diameter of the rope used in the originally existing elevator installation.
    The invention will now be explained in more detail with reference to exemplary embodiments. Show it
    1 shows a first embodiment of an elevator system according to the invention in a schematic diagram;
    FIG. 2 shows a section of the elevator installation in FIG. 1 on an enlarged scale; FIG.
    3a-3c, a machine carrier with drive machine of the elevator system in Figure 1 in three views ..;
    4 shows the machine carrier with drive machine in FIGS. 3a-3c in a perspective representation;
    5 shows a second embodiment of an elevator installation according to the invention in a schematic representation;
    6 shows a third exemplary embodiment of an elevator installation according to the invention in a schematic representation;
    Fig. 7 shows a fifth embodiment of an elevator system according to the invention in a schematic diagram.
    1 shows an elevator installation 1 with an elevator car 3 which can be moved up and down in a shaft 2 and a drive machine 4 which is arranged on a machine carrier 5 in a machine room 6 above the shaft 2. The machine frame 5 stands on the floor 9 of the machine room 6. The floor 9 forms an intermediate ceiling of the shaft 2, d. H. the bottom 9 separates the machine room 6 from the shaft 2.
    The drive machine 4 has a driven traction sheave 41 for driving a support means 7, which is designed as a rope or belt. The drive machine 4 is designed as an electric motor, wherein the traction sheave 41 is torsionally rigidly connected to the output of the electric motor. The support means 7 connects the elevator car 3 with a counterweight 8. The bottom 9 has in the embodiment shown in FIG. 1, two openings 10, which are penetrated by the support means 7. At the elevator car 3 is a first guide roller 11 and on the counterweight 8, a second guide roller 12 is arranged, via which the support means 7 leads GE. Each of the two openings 10 in the bottom 9 of the machine room 6 is penetrated by a carrier element 13 which is rigidly connected to the machine carrier 5 of the drive machine 4. In each case an end portion of the support means 7 is arranged supported on a projecting into the shaft 2 portion of the support member 13. The end portions of the support means 7 are clamped in clamping sleeves 14 which are arranged on the carrier element 13. The support member 13 is formed as a projecting from the frame of the machine carrier 5 downwardly arm, at the free end of the support point of the end portion of the support means 7 is arranged.
    In the elevator installation 1 shown in FIG. 1, a 2: 1 suspension of the elevator car 3 and of the counterweight 8 is provided, in which the drive torque of the drive machine 4 is transmitted to the elevator car 3 via a 2: 1 ratio via the suspension element 7. This arrangement forms a simple pulley, with which compared to a 1: 1 suspension, the double payload can be lifted at half speed or in which compared to the 1: 1 suspension, the prime mover 4 has to spend only half the drive torque. 1: 1 suspensions are preferably carried out with drive machines, which is followed by a reduction gear. Other possible suspensions are the 4: 1 and 6: 1 suspensions, which are preferred for goods lifts.
    In Fig. 1, the support means 7 is guided starting from the arranged above the elevator car 3 support member 13 to the arranged on the elevator car 3 first guide roller 11, the first guide roller 11 wraps around 180 °, passes through the above the elevator car 3 arranged opening 10, tangent a arranged on the machine carrier 5 third guide roller 17, the drive pulley 41 of the drive machine 4, wraps around then passes through the opening 10 disposed above the counterweight 8, wraps around the second guide roller 12 by 180 ° and ends at the above the counterweight support member 13th
    The machine carrier 5 is supported on the floor 9 via two uprights 51. The stator elements 51 have damping elements 52 in the foot region, which dampen the vibration transmission from the machine carrier 5 to the floor 9. The damping elements 52 may be formed for example as a rubber buffer.
    As shown in FIG. 2, the section of the carrier element 13 protruding into the shaft 2 projects horizontally at an angle of 90 °, so that the end section of the suspension element 7 is arranged laterally offset relative to the longitudinal axis of the carrier element 13. Here, the lateral offset is formed so that the lateral distance between the end portion of the support means 7 and the opening 10 by cross-section of the support means 7 corresponds to the diameter d of the first guide roller 11 and the second guide roller 12, wherein the diameter d is greater than that Width b of the opening 10. In the embodiment shown in FIG. 2, both pulleys 11, 12 have the same diameter d. Likewise, the two openings 10 have the same width b. However, it is also possible to choose different diameters d, for example, to adapt the diameter d to different widths b.
    FIGS. 3 a to 3 c and 4 show a design of the machine carrier 5 with an attached drive machine 4, which is designed as a gearless electric motor and is developed from the schematic illustrations in FIGS. 1 and 2.
    As shown in FIGS. 3 b and 3 c, two carrier elements 13 are arranged at a distance from one another on the two opposite longitudinal sides of the machine carrier 5, wherein mutually opposite carrier elements 13 are aligned. The support members 13 are formed as a sheet metal part with a U-shaped cross-section, wherein the connecting portion of the U-legs is secured to the also formed from sheet metal parts machine carrier 5 by means of screw. The machine carrier 5 has three parallel arranged carrier with double-U-profile, whose end portions are connected to each other by a transverse bar. The drive machine 4 is arranged on a designed as a sheet metal support structure 4t, the base plate is connected to the three carriers of the machine carrier 5.
    The carrier elements 13 are formed from two carrier plates (see FIGS. 3 a and 4), which protrude perpendicular to the foot from a connecting section (see FIG. 3 b). The clamping sleeves 14 are arranged on the underside of the connecting portion.
    As can be seen in FIG. 3 c, a plurality of support means 7 arranged in parallel are provided. The support means 7 are designed in their tensile strength so that even in case of failure of a suspension means the loads of the elevator car 3 and the counterweight 8 are endured.
    5 shows a second exemplary embodiment in which there is a 4: 1 suspension in which the drive torque of the drive machine 4 is transmitted to the elevator car 3 via a 4: 1 ratio via the suspension element 7. Compared with a 1: 1 suspension, the quadruple payload can be lifted at a quarter speed or the prime mover 4 has to apply only a quarter of the drive torque over the 1: 1 suspension.
    In contrast to the exemplary embodiment illustrated in FIG. 1, the two carrier elements 13 are connected to one another by a carrier beam 15, which is arranged parallel to the underside of the bottom 9. On the support beam 15, the two clamping sleeves 14 and two support rollers 16 are arranged so that the support means 7 is suspended both on the clamping sleeves 14 and on the support rollers 16. There are two first guide rollers 11,11 'and two second guide rollers 12, 12' are provided, between which the support means is guided over one of the support rollers 16.
    6 shows a third exemplary embodiment, in which the elevator installation 1 is designed like the elevator installation described in FIG. 1, with the difference that a fourth deflection roller 18 is provided which is arranged between the third deflection roller 17 and the drive pulley 41 that the wrap angle of the traction sheave 41 is increased. In the exemplary embodiment illustrated in FIG. 6, the fourth deflection roller 18 is arranged on the machine carrier 5 such that the section of the suspension element 7 extending between the fourth deflection roller 18 and the traction sheave 41 runs parallel to the section of the suspension element 7 which is projecting from the traction sheave 41. that is, how this section is perpendicular. Thus, the wrap angle of the traction sheave 41 is 180 ° and is greater than in the embodiment shown in FIG.
    7 shows a fourth exemplary embodiment, in which the elevator installation 1 is designed like the elevator installation described in FIG. 1, with the difference that the vertical distance between the support elements 13 is adjustable by dividing the machine support 5 into two overlapping segments 5a, 5b is divided, wherein on each of the two segments 5a and 5b, a support member 13 is arranged. The segments 5a and 5b have two superimposed rows of through-holes 5d at a fixed pitch, with overlapping through-holes 5d penetrated by connecting screws 5s.
    The distance between the carrier elements 13 is adjustable in a multiple of the pitch of the through holes 5d.
    Analogous to this exemplary embodiment, it can be provided in the embodiment shown in FIG. 5 that the machine carrier 5 and the carrier beam 15 are each formed from two overlapping segments.
    List of Reference Numerals 1 elevator installation 2 shaft 3 elevator car 4 drive machine 4t carrier device 5 machine carrier 5a, 5b segment 5d through-hole 5s connecting screw 6 machine room 7 carrying means 8 counterweight 9 bottom 10 breakthrough 11,11 'first deflecting roller 12,12' second deflecting roller 13 carrier element 14 clamping sleeves 15 carrier bar 16 Supporting roller 17 third deflection roller 18 fourth deflection roller 41 drive pulley 51 upright element 52 damping element
    权利要求:
    Claims (16)
    [1]
    Patent Attorneys Dipl.-Ing. Helmut Hübscher Dipl.-Ing. 1. Winch installation (1) with an elevator car (3) which can be moved up and down in a shaft (2) and a drive machine (4) which is mounted on a machine carrier (5) in a machine room (6) is arranged above the shaft (2), wherein it is provided that - the drive machine (4) has a driven traction sheave (41) for driving a suspension element (7), - that the suspension element (7) is a rope or Belt is formed, which connects the elevator car (3) with a counterweight (8), - that a bottom (9) of the machine room (6) forms a ceiling or false ceiling of the shaft (2), the engine room (6) separated from the elevator shaft and at least one breakthrough (10), which is penetrated by the support means (7), - that the drive torque of the drive machine (4) via a n: 1 ratio on the suspension means (7) is transmitted to the elevator car (3), and - That at the elevator car (3) a first deflection roller (11) and on the counterweight (8) a second deflection roller (12) is arranged over which the support means (7) is guided, characterized in that the at least one opening (10) of a carrier element (13) is rigidly connected to the machine frame (5) of the drive machine (4) or to another support stationary in the machine room (6) or the floor (9) or a wall or ceiling of the machine room (6), and a support element (7) which projects into the shaft (2) is supported to form a support point or a plurality of support points on the section of the support element (13) protruding into the shaft.
    [2]
    2. Elevator installation according to claim 1, characterized in that the support point or the support points on the projecting into the shaft portion of the support element (13) by the support of one end portion or a plurality of end portions of the support means (7) is or are.
    [3]
    3. Elevator installation according to claim 1 or 2, characterized in that at least one support point on the projecting into the shaft portion of the support element (13) by the support of a support roller (16) of the support means (7) is formed.
    [4]
    4. Elevator installation according to one of the preceding claims, characterized in that the position of at least one support point of the support means (7) on the in the shaft (2) projecting portion of the support member (13) in the horizontal direction is steplessly or stepwise adjustable.
    [5]
    5. Elevator installation according to one of the preceding claims, characterized in that at least two support points are provided, which are arranged at a horizontal distance from each other below the floor (9) of the machine room (6) forming the ceiling of the shaft (2), wherein each support point on in each case one of the shaft projecting portion of an associated separate carrier element (13) or on a projecting into the shaft portion of a common carrier element (15) is arranged.
    [6]
    6. Elevator installation according to one of the preceding claims, characterized in that at least two support elements (13) are provided and each of the support elements (13) in each case an associated separate opening (10) passes through and at the in the shaft (2) projecting portion at least one support point for the suspension element (7).
    [7]
    7. Elevator installation according to one of the preceding claims, characterized in that exactly two openings (10) are provided which are each penetrated by a carrier element (13), and that the two end portions of the support means (7) each at one in the shaft ( 2) projecting portion of the support member (13) are arranged supported.
    [8]
    8. Elevator installation according to one of the preceding claims, characterized in that the carrier element (13) is formed so that at the in the shaft (2) projecting portion of the support element (13) of the support point of the support means (7) laterally and / or horizontally offset from the longitudinal axis of the carrier element (13) is arranged.
    [9]
    9. Elevator installation according to one of the preceding claims, characterized in that the carrier element (13) has a through the opening (10) cross-vertical arm, at its projecting into the shaft free end at least one foot or horizontal arm is arranged.
    [10]
    10. Elevator installation according to claim 9, characterized in that at the free end of the vertical arm, a first foot or horizontal arm and a second foot or horizontal arm are arranged, wherein the first foot or horizontal arm with its free end facing in a first direction and the second foot or horizontal arm with its free end in a second direction, wherein the first direction is arranged opposite or at an angle to the second direction.
    [11]
    11. Elevator installation according to one of the preceding claims, characterized in that on the machine carrier (5) at least one support element (13) projecting downwardly projecting through the opening (10) is arranged.
    [12]
    12. Elevator installation according to one of the preceding claims, characterized in that at least one support element (13) with the machine carrier (5) is connected so that the position of the support member (13) on the machine support (5) in the horizontal direction steplessly or stepwise adjustable is.
    [13]
    13. Elevator installation according to one of the preceding claims, characterized in that at least one carrier element (13) with the machine carrier (5) is connected so that at the projecting into the shaft section, the support means is supported at a support point or a plurality of support points, wherein the Position of at least one support point in the horizontal direction is adjustable.
    [14]
    14. Elevator installation according to one of the preceding claims, characterized in that the machine carrier (5) has two parts (5a, 5b), which are mutually infinitely or stepwise adjustable in the horizontal direction, wherein at least one of these two parts (5a, 5b) the carrier element (13) is arranged or formed.
    [15]
    15. Elevator installation according to one of the preceding claims, characterized in that in the shaft (2) projecting portions of at least two support elements (13) by a support beam (15) are interconnected.
    [16]
    16. Method for modernizing an on-site elevator installation (1), this elevator installation (1) comprising an elevator car (3) which can be moved up and down in a shaft (2) and a drive machine (4) which is mounted on a machine carrier (5) in a machine room (6) above the shaft (2) is arranged, it being provided that the drive machine (4) has a driven traction sheave (41) for driving a support means (7) that the support means (7) as a rope or belt is formed, which connects the elevator car (3) with a counterweight (8) that a bottom (9) of the machine room (6) forms a ceiling or false ceiling of the shaft (2), the engine room (6) separated from the elevator shaft and at least a breakthrough (10) which is penetrated by the support means (7), characterized in that - the drive machine (4), including the traction sheave (41) installed in the existing elevator installation, is replaced by a drive machine (4) Drive motor, the drive pulley (41) drives directly, - that on the elevator car (3) a first guide roller (11) and on the counterweight (8) a second guide roller (12) is arranged and the support means is guided over these guide rollers, - that the at least one breakthrough (10) is penetrated by a carrier element (13) which is connected to the machine carrier (5) of the drive machine (4) or to another in the machine room (6) stationary support or the bottom (9) or a wall or a ceiling the machine room (6) is rigidly connected, and - that at a in the shaft (2) projecting portion of the support member (13) the support means (7) is supported to form a support point or more support points on the projecting into the shaft portion of the support element (13) to transmit the drive torque of the prime mover (4) via an n: 1 ratio via the support means (7) to the elevator car (3), which is greater than the ratio in the originally existing drive machine (4). Linz, 06. February 2015 Aufzugwerke Schmitt + Sohn GmbH & Co. KG by: / Dl Helmut Hübscher / (electronically signed)
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    同族专利:
    公开号 | 公开日
    DE102014101581A1|2015-08-13|
    DE202014102110U1|2014-05-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    ES2420524T3|2008-01-28|2013-08-23|Thyssenkrupp Aufzugswerke Gmbh|Elevator installation|WO2016066324A1|2014-10-30|2016-05-06|Inventio Ag|Elevator system|
    CN106185567B|2016-08-31|2018-06-26|徐州科思特表面工程技术有限公司|Magnet-wheel absorption type emergency staircase|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102014101581.9A|DE102014101581A1|2014-02-07|2014-02-07|elevator system|
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