EP4457170A1 - Aufzugsanlage und verfahren zum betreiben einer aufzugsanlage - Google Patents
Aufzugsanlage und verfahren zum betreiben einer aufzugsanlageInfo
- Publication number
- EP4457170A1 EP4457170A1 EP22835636.6A EP22835636A EP4457170A1 EP 4457170 A1 EP4457170 A1 EP 4457170A1 EP 22835636 A EP22835636 A EP 22835636A EP 4457170 A1 EP4457170 A1 EP 4457170A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- buffer
- elevator
- elevator car
- suspension
- car
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure 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
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
- B66B7/085—Belt termination devices
Definitions
- the invention relates to an elevator system.
- the elevator system for transporting people or goods has an elevator car that can be moved up and down in an elevator shaft between floors.
- Buffers are used to temporarily support the elevator car in relation to the shaft pit in the event of a buffer run. Such buffers are important parts of safety equipment in elevator systems and have the task of stopping the elevator car not suddenly, but within a short braking distance, with the best possible protection of the passengers and gentleness, in the event of an unbraked journey (so-called buffer journey) into the shaft pit caused by faults material to stop. Buffers are often arranged in the shaft pit of an elevator system. In the case of elevator systems with shaft pits with low pit depths or for elevators without pits, buffers can be attached to the car, as has become known, for example, from WO 2017/064123 A1.
- the elevator system should be able to be installed in buildings with shaft pits with small pit depths.
- the elevator car of the elevator system should be characterized by a small space requirement and compact design and at the same time offer good travel comfort.
- the elevator installation comprises an elevator car, on which at least one buffer assigned to a suspension element is attached, the buffer being connected to a suspension element for supporting the elevator cabin.
- the buffer is used to temporarily support the elevator car against the floor of the shaft in the event of a buffer run. Because the buffer is connected to a suspension element for supporting the elevator car, the buffer can be used to dampen the elevator car while the car is traveling. Of the Suspension means or vibrations coming from the drive can be dampened by means of the buffer.
- the elevator system is characterized by a simple structure. Another advantage is the spam spam.
- the elevator system is inexpensive and yet effective in terms of safety and ride comfort.
- the elevator installation can comprise an elevator car that can preferably be moved up and down vertically and is carried by one or more suspension elements, the suspension element for floor-side suspension of the elevator car being guided to a suspension point, which suspension point is positioned on the floor of the elevator car.
- the elevator installation can, however, also be of dual design with regard to the suspension, which results in an advantageous weight compensation.
- the elevator installation can comprise an elevator car carried by suspension means, the suspension means for floor-side suspension of the elevator car being guided to suspension points arranged on opposite sides of the elevator car, which are positioned on the floor of the elevator car. Consequently, the elevator system has two buffers, each buffer being connected to a suspension element.
- the buffer which contacts the floor of the shaft during a possible buffer run to support the elevator car, serves to cushion the elevator car when it is placed on the floor of the shaft.
- the buffer can be positioned below a suspension point.
- the buffer is preferably arranged in the vertical projection of the suspension point, with the support means and the buffer assigned to it particularly preferably running coaxially to one another.
- connection of the at least one buffer to the suspension means can usually result in the buffer or buffers being or being outside of the vertical projection of the elevator car in relation to its car body for accommodating the passengers and/or goods. It is conceivable to provide additional car-side buffers located within the vertical projection of the elevator car. These additional buffers would be of conventional design and would not be connected to the suspension element.
- a damping element formed by the buffer can be provided at a suspension point for damping the vibrations generated by the drive and transmitted to the cabins by the suspension means.
- the respective buffer can have a preferably hollow-cylindrical buffer body, through which the suspension element or a suspension element connection piece adjoining the suspension element is guided.
- the buffer body can have a corresponding cavity for the passage of the suspension element or suspension element connection piece.
- the buffer body can thus form the aforementioned damping element.
- a hollow cylinder other shapes for the buffer body are also conceivable.
- the buffer could also have a conical outer contour. Thanks to the buffer body, vibrations coming from the drive or from the suspension means can be effectively dampened.
- Such buffer bodies can be procured easily and inexpensively and can be adapted as required.
- the buffer body can consist of an elastomer.
- the buffer body can be made of rubber.
- An end part can be fixed at the free end of the suspension element, which end part rests directly or indirectly on the buffer body.
- the end part can be a threaded nut, for example, which is screwed onto a suspension element connection piece comprising a threaded rod and is preferably secured by means of corresponding securing means.
- the buffer has an impact element.
- the impact element can preferably consist of a metallic material, for example steel.
- the impact element is a component of the buffer, via which compressive forces to be damped by the buffer can be introduced into the buffer body when they are placed.
- the impact element protects the buffer body from wear.
- the impact element can be made, for example, from a metal plate by means of a forming process.
- the carrying means can be attached to the impact element.
- the vibrations of the load-bearing element are introduced into the buffer body via the impact plate.
- the end part can rest on the impact element and be supported on this.
- the impact element can have a central indentation, complementary to the cavity of the buffer body, for receiving the impact element in a form-fitting manner in the interior of the hollow cylinder, so that the impact element can be inserted into the buffer body via this.
- the carrying means can be one or more straps.
- Carrying straps have the advantage that, thanks to the straps, the space can be used optimally and are particularly suitable for space-saving configurations.
- the suspension could be formed by one or more ropes.
- a further aspect of the invention relates to an elevator car for the elevator system described above.
- At least one buffer assigned to a suspension element for supporting or suspending the elevator car is attached to the elevator car for temporarily supporting the elevator car relative to the shaft floor during any buffer travel (or for cushioning the elevator car when it is placed on the shaft floor), which can be connected or is connected to the suspension element is.
- the elevator car according to the invention can have at least one buffer on or over which the elevator car can be suspended.
- the buffers specify the suspension points and are therefore an integral part of the suspension points.
- the buffers have a double function. On the one hand, like conventional buffers, they cushion the elevator car downwards when it touches down on the floor of the shaft; on the other hand, they now also serve to carry or hang up the elevator car.
- the invention relates to a method for operating an elevator system and in particular the elevator system described above, with at least one buffer being provided on the elevator car for temporarily supporting the elevator car relative to the shaft floor in the event of a buffer run, the at least one buffer being provided in addition to the support function mentioned also to dampen the up and down moving elevator car is used to increase ride comfort.
- This elevator car is particularly suitable for elevator systems with shaft pits with low pit depths or for elevators without pits.
- FIG. 1 shows a simplified side view of an elevator system according to the invention
- FIG. 2 shows an enlarged representation of a suspension point (detail A from FIG. 1).
- FIG. 1 shows an elevator system, denoted overall by 1, for a multi-storey building.
- the building has an elevator shaft 3.
- the elevator system 1 contains an elevator car which can be moved vertically up and down in the elevator shaft 3 and is designated 2 for transporting people or goods to individual floors (not shown).
- the elevator car 2 has side walls 6 and a car floor 7, which generally form a cuboid car body.
- the cabin body is mounted on a support structure 9 (see FIG. 2) which is associated with the cabin floor 7 .
- the support means 5 are connected to a drive (not shown) for moving the car.
- the elevator system 1 can further comprise at least one counterweight (not shown) connected to the car 2 and which can be moved up and down in the opposite direction to the car 2 .
- the elevator car 2 and the at least one counterweight are moved along vertical guides (not shown).
- such elevator installations have only one drive, for example a traction sheave drive, with which the suspension means are driven and the elevator car and the counterweight are thus moved in opposite directions.
- the elevator system 1 can also have two counterweights. Each of the suspension means 5 is connected to one of the two counterweights.
- the elevator installation 1 can have special guide rails, with which both the elevator car 2 and the respective counterweights serve as linear guides.
- the guide rails can be manufactured as one-piece rolled profiles.
- Such an elevator system 1 can be designed as a so-called "front bag elevator". Further details on the front bag elevator and on the guidance of the elevator car 2 and the counterweights with common guide rails can be found in WO 2020/127303 A1 and WO 2020/127787 A1.
- the support means 5 for hanging the elevator car 2 on the floor are guided to suspension points 8, 8' (see FIG. 2) arranged on opposite sides of the elevator car 2, which are evidently positioned on the car floor 7 of the elevator car 2.
- the suspension points 8, 8' and thus also the buffers 10 are located outside the vertical projection of the elevator car 2 in relation to its car body, which is defined by the car side walls 6.
- a buffer 10 assigned to a suspension element 5 is attached to the elevator car 2 for temporarily supporting the elevator car 2 with respect to the bottom of the shaft in the event of any buffer travel.
- Each buffer 10 is connected to one of the support means 5.
- the elevator car 2 is thus suspended on or via the buffers 10, as a result of which, thanks to the buffers 10, the elevator car 2 is damped during a car journey.
- the vibrations generated by the drive and transmitted to the cabin 2 by the support means 5 can be easily reduced, resulting in a good driving comfort.
- this embodiment is also characterized by ease of assembly.
- the suspension point 8 is defined by the buffer 10 which has a hollow-cylindrical buffer body 11 .
- the buffer body 11 can be designed as a one-piece molded body and consist of rubber or a plastic, in particular an elastomer.
- the suspension element 5 or, more precisely, a suspension element connection piece 14 adjoining the suspension element 5 is guided through the buffer body 11 .
- the buffer body 11 is preferably designed to be rotationally symmetrical.
- the suspension element 5 is equipped with a suspension element end connection 20 at the end of the cabin, to which a suspension element connection piece 14 is connected.
- the suspension element end connection 20 can be a suspension element end connection, as has become known, for example, from WO 03/022723 A1 or EP 2 261 162 A1.
- the suspension element connection piece 14 has a threaded rod.
- An end part 15 formed by a nut is located at the free end of the suspension element connection piece 14.
- a safety device 16 is provided, as shown in FIG.
- the buffer 10 further comprises an impact element 12, preferably made of a metallic material.
- the impact element 12 makes contact with the bottom of the shaft (or possibly a metallic counterpart attached to the bottom of the shaft to form a stop).
- the suspension element 5 is attached to the impact element 12 .
- the end part 15 rests on the impact element 12 and is supported on this.
- the vibrations or oscillations of the suspension element are introduced into the buffer body 11 via the impact element 12 .
- the impact element 12 has a central indentation 19 complementary to the hollow space 18 of the hollow cylinder for the form-fitting reception of the impact element 12 in the hollow space, so that the impact element 12 can be inserted into the buffer body 11 via this.
- the buffer 10 (not shown) sleeve-like Housing for receiving the buffer body 11 have.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21218265 | 2021-12-30 | ||
| EP22176475 | 2022-05-31 | ||
| PCT/EP2022/085282 WO2023126160A1 (de) | 2021-12-30 | 2022-12-12 | Aufzugsanlage und verfahren zum betreiben einer aufzugsanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4457170A1 true EP4457170A1 (de) | 2024-11-06 |
| EP4457170B1 EP4457170B1 (de) | 2025-10-29 |
Family
ID=84799752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22835636.6A Active EP4457170B1 (de) | 2021-12-30 | 2022-12-12 | Aufzugsanlage |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20250042694A1 (de) |
| EP (1) | EP4457170B1 (de) |
| WO (1) | WO2023126160A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597438Y (zh) * | 2003-03-05 | 2004-01-07 | 上海房屋设备有限公司 | 双缸侧置式液压电梯铰式平衡梁 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6662408B2 (en) | 2001-09-07 | 2003-12-16 | Otis Elevator Company | Elevator load bearing termination assembly with gripping inserts |
| EP2261162A1 (de) | 2009-06-10 | 2010-12-15 | Inventio AG | Tragmittelendverbindung für eine Aufzugsanlage |
| BR112018007300B1 (pt) | 2015-10-12 | 2022-04-19 | Inventio Ag | Cabine para um elevador em um poço de elevador |
| CN106006294B (zh) * | 2016-04-26 | 2019-01-11 | 大连华工创新科技股份有限公司 | 一种电梯缓冲装置 |
| CN107826931A (zh) * | 2017-11-14 | 2018-03-23 | 苏州科达液压电梯有限公司 | 一种双夹层多级减震缓冲升降电梯 |
| SG11202106078YA (en) | 2018-12-20 | 2021-07-29 | Inventio Ag | Lift rail |
| WO2020127303A1 (de) | 2018-12-20 | 2020-06-25 | Inventio Ag | Asymmetrisches gegengewicht für eine aufzuganlage und damit ausgestattete aufzuganlage |
-
2022
- 2022-12-12 WO PCT/EP2022/085282 patent/WO2023126160A1/de not_active Ceased
- 2022-12-12 EP EP22835636.6A patent/EP4457170B1/de active Active
- 2022-12-12 US US18/723,492 patent/US20250042694A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597438Y (zh) * | 2003-03-05 | 2004-01-07 | 上海房屋设备有限公司 | 双缸侧置式液压电梯铰式平衡梁 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4457170B1 (de) | 2025-10-29 |
| WO2023126160A1 (de) | 2023-07-06 |
| US20250042694A1 (en) | 2025-02-06 |
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