EP2978702A1 - Bremsvorrichtung für eine aufzugsanlage - Google Patents
Bremsvorrichtung für eine aufzugsanlageInfo
- Publication number
- EP2978702A1 EP2978702A1 EP13776429.6A EP13776429A EP2978702A1 EP 2978702 A1 EP2978702 A1 EP 2978702A1 EP 13776429 A EP13776429 A EP 13776429A EP 2978702 A1 EP2978702 A1 EP 2978702A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- braking device
- brake pad
- brake
- guide
- linear drive
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Definitions
- the invention relates to a braking device for an elevator installation according to the preamble of claim 1.
- the passenger cabin is held during the floor content by means of the braking device by frictional engagement on a guide rail of the elevator system, at the beginning of the onward journey of the passenger cabin by a
- Design brake device as electromagnetically actuated caliper brake, wherein the two clamping sides of the caliper brake each have a brake pad, which during standstill of
- the disclosed brake device includes an electromagnetic actuator to bring the caliper brake or the brake pad, as required, with the guide rail in contact or to solve from this.
- Such brake devices have the disadvantages that they are relatively large and heavy, and therefore are only suitable for mounting on relatively large passenger cabins.
- known braking devices are relatively expensive.
- problems arise when holding and releasing the brake device when the brake pads are partially worn, and / or when the
- the object is achieved in particular with a braking device for an elevator installation for generating a frictional connection on a guide rail of the elevator installation, wherein the braking device comprises: a brake caliper with two legs mounted in a pivotable manner, wherein the one end of each leg with a
- Brake pad carrier is connected, and wherein the opposite end of each leg is pivotally connected to a toggle lever, wherein the toggle lever comprises a first lever and a second lever, which is articulated to each other via a toggle joint, wherein the first and second levers with one of the
- Leg are hingedly connected, wherein a linear drive between the two legs and along the two legs is arranged extending, and wherein the linear drive is connected via a connecting part with the toggle joint to actuate the brake caliper, wherein the connecting part comprises a prestressed spring, and wherein Connecting part is designed such that the connecting part extends under train when exceeding a predetermined by the prestressed spring biasing force, and wherein the linear drive is pivotally mounted about a pivot axis, wherein the pivot axis and the axis of rotation of
- Toggle joints are essentially parallel.
- the braking device comprises a guide device which limits the range of motion of the toggle joint.
- the braking device according to the invention has the advantage that it can be made very small and compact.
- Braking device can therefore also be used for small passenger cabins of a lift system.
- the braking device is inexpensive to produce.
- the braking device is also designed such that no hard impacts occur, as to
- the braking device according to the invention requires an advantageous
- Braking device due to the linear drive, in particular a Hubspindelmotors, and by the use of a preloaded spring is configured such that during operation of the
- Brake device therefore has a very long service life, that is, the braking device can be operated reliably and without or with little maintenance for a long time. In addition, there is a compensation of the abrasion of the brake pads.
- Braking device is also very simple, so maintenance can be performed quickly and inexpensively.
- Braking device can be exchanged very quickly to the To keep a period of maintenance short.
- the braking device
- Connecting means in particular a
- Fig. 1 shows a section through a braking device with open
- Fig. La is a detail view of detail A
- FIG. 2 shows a section through the braking device according to Figure 1, but with closed brake shoes.
- Fig. 2a is a detail view of detail B
- FIG 3 shows a section through the braking device according to Figure 1, wherein the linear drive has reached the end position.
- Fig. 4 shows a section through a further braking device
- 4a shows a detail view of a guide device
- FIG 5 shows a section through the braking device according to FIG 4 with closed brake shoes.
- FIG. 6 is a detail view of a toggle lever and a
- Fig. 7 is a detail view of a brake pad carrier with a
- Fig. 8 is a detail view of a brake pad carrier with
- the brake device 1 shows a braking device 1 for an elevator installation with a vertical elevator, for producing a frictional connection on a guide rail 2 of the elevator installation.
- the guide rail 2 thus extends in the vertical direction 2b.
- the housing la is shown in section, so that the arrangement therein is clearly visible.
- the brake device 1 comprises a brake caliper 3 with two pivotally mounted on hinge pin 5 legs 3 e, wherein the one end of each leg 3 e articulated with a
- Brake pad carrier 3b is connected, and wherein the opposite end of each leg 3e is pivotally connected to a toggle 6.
- the brake pad carrier 3b are pivotally connected to the legs 3e via brake pad carrier bolts 3c.
- the brake lining carrier bolts 3c can be loosened and re-attached with respect to the leg 3e in a simple manner, thereby providing the brake lining carrier 3b with brake lining 4
- the toggle lever 6 comprises a first lever 6a and a second lever 6b and a toggle joint 6c, wherein the two levers 6a, 6b are articulated to each other via the toggle joint 6c, which has a rotation axis 6d.
- the First and second levers 6a, 6b are articulated via one joint 3f each with one of the legs 3e.
- ausgestalteter linear actuator 7 with longitudinal axis L is between the two legs 3e and along a partial length of the two
- the Hubspindelmotor 7 comprises a drive 7d, which drives a spindle 7a.
- a nut 7c is rotatably connected to the spindle 7a so that the nut 7c is rotated when the spindle 7a is rotated
- the Hubspindelmotor 7 also includes a housing 7b, within which the spindle 7a and the threaded nut 7c is arranged.
- the housing 7b is partially shown in section.
- the Hubspindelmotor 7 may be rigidly connected to the housing la.
- Embodiment is the Hubspindelmotor 7, as in Figure 1
- the connecting part 8 comprises a prestressed spring 10. This spring 10 and the arrangement surrounding it are shown in detail in the detail marked A in FIG.
- the connecting means 8 is configured as a hollow tube 8a. Within the hollow tube 8a is a fixed to the hollow tube 8a connected
- Threaded rod guide 8f through which a threaded rod 6f runs with threaded nut 8c. Between the threaded nut 8c and the threaded rod guide 8f, the spring 10 is arranged.
- Threaded rod 6f is fixedly connected to the joint head 6e of the toggle lever 6.
- the Hollow tube 8a and the threaded rod guide 8f on the condyle 6e The bias of the spring 10 can be adjusted by turning the nut 8c by the
- Threaded nut 8c is either tightened so that it is moved in the arrangement shown in Figure la to the right, or by the threaded nut 8c is released, and thereby the
- Threaded nut 8c is moved to the left. Thereby, the bias voltage Vk acting on the spring 10 can be adjusted.
- the connecting part 8 is thus designed such that the
- the Hubspindelmotor 7 is a
- Swivel axis 7f pivotally mounted, wherein the pivot axis 7f and the axis of rotation 6d of the toggle joint 6c parallel or in
- the brake device 1 has no guide device 9. In which in the figures 1 to 3
- the connecting means 8 on the outer surface of a first and a second recess 8d, 8e, which are mutually spaced in the axial direction.
- the Hubspindelmotor 7 comprises a limit switch 1 1, which generates a switching signal as soon as the first or second recess 8d, 8e in the range of the sensor of the limit switch 1 1st located.
- This limit switch 1 1 thus limits the maximum traversable with the connecting means 8 and the Hubspindelmotor 7 way.
- FIGS. 1 to 3 show the same brake device 1 in FIG.
- the guide rail 2 of the elevator system is arranged symmetrically with respect to the longitudinal axis L, so that the
- Brake caliper 3 the knee lever 6 and the brake pads 4 are preferably moved symmetrically with respect to the longitudinal axis L.
- Figure 1 shows the braking device 1 in the idle state with open brake shoes. In this idle state, the Hubspindelmotor 7 advantageously requires no electrical energy.
- Figure 3 shows the braking device 1 in the idle state with closed
- the brake pads 4 lie on the
- Hubspindelmotor 7 advantageously also no electrical energy.
- the Hubspindelmotor 7 has been activated to move the connecting means 8 in the position shown in Figures 3 and 3a, wherein the figure 3a shows the detail marked C in Figure 3 detail.
- the Hubspindelmotor 7 is automatically switched off when the sensor of the limit switch 1 1 detects the second recess 8 e.
- the connecting means 8 has been shown in FIG. 3a
- the spring length has in the precompressed state, as shown in FIG shown, a spring length 10c, so that the spring 10, during the transition from the state shown in Figure 1 to the state shown in Figure 3, shortened by a spring travel 10a.
- FIG. 2 a shows the detail marked B in FIG. 2 in detail.
- the Hubspindelmotor 7 is actuated, so that the connecting means 8 moves continuously in the illustrated view to the left.
- FIG. 2 shows the state in which the brake shoes or the brake linings 4 bear against the guide rail 2 for the first time.
- the spring 10 is not further compressed and still has the spring length 10c in the pre-compressed state, the same as in Figure la. Since the limit switch 1 1 not yet triggered a signal, the Hubspindelmotor 7 continues to rotate, and stops only in the position shown in Figures 3 and 3a.
- the brake device 1 shown in Figures 1 to 3 has the advantage that the placement of the brake shoes or the brake pads 4 on the guide rail 2 no impact on the drive, the Hubspindelmotor 7 generates because after placing the brake shoes on the guide rail 2 of Hubspindelmotor continue to rotate continuously, and as a result of the spring 10 is compressed.
- This "gentle" placement of the brake shoes has the consequence that in particular the Hubspindelmotor 7, but also the other components of the brake device 1, low
- inventive brake device 1 has a long service life has, or can be operated maintenance-free during a large number of holding and releasing cycles.
- the spring 10 has the further advantage that a certain
- Toggle joint 6c or the rotation axis 6d would be slightly shifted to the left. This would have the consequence in Figure 3a that the threaded nut 8c would accordingly be displaced to the left, and the spring 10 would have a spring length in the range between 10b and 10c. Suppose the spring 10 had a spring length of a little less than 10c. This would mean that at the
- Threaded rod 6f a tensile force of at least the biasing force Vk is applied, so that the effect of the brake pad 4 on the guide rail 2 force is still high enough to ensure a secure hold.
- the arrangement of the spring 10 in the connecting means 8 thus has the further advantage that this allows a compensation of the wear during operation of the brake device 1 brake pad 4. This makes it possible to ensure safe operation of the brake device 1, even with wearing brake pads, and makes it possible to wait longer until a service of the brake device 1 is required.
- the inventive braking device 1 can thus be operated more cheaply.
- Figures 4, 5 and 6 show a further embodiment of a braking device 1, which in contrast to the braking device 1 shown in Figures 1 to 3 in addition
- Example of Figure 6 can be seen to prevent movement of the legs 3e in the direction of movement E as possible. Otherwise, the brake device 1 shown in Figures 4, 5 and 6 is identical to the brake device 1 shown in Figures 1 to 3 configured. In contrast to that in Figures 1 to 3
- FIG. 4 shows the brake device 1 with the brake shoes open, so that the brake pads 4 do not touch the guide rail 2.
- Figure 6 shows a part of the arrangement shown in Figure 4 in a perspective view.
- the lifting spindle motor 7 is maximally extended, so that the toggle joint 6c is in a defined end position EL, in which it is ensured that the brake linings 4 do not bear against the guide rail 2.
- the braking device 1 comprises a guide device 9 to a position in the defined To ensure final position EL.
- FIG. 4a shows the exemplary embodiment of a guide device 9 shown in FIG. 4 in detail.
- a recess is embedded, wherein the edge of this recess forms a guide track 9b, and wherein the thus defined bottom forms a guide portion 9c.
- the guideway 9b is designed to extend in such a way that a defined end position EL is formed.
- a guide means 9a is arranged on both sides, wherein this
- Guide means 9a comes to lie within the guideway 9b in composite brake device 1, so that, as can be seen from Figure 4a, the range of motion of the toggle joint 6c through the guide portion 9c and through the
- Figure 5 shows the braking device 1 with closed
- the lifting spindle motor 7 has rotated about the pivot axis 7f during the collapse, so that in the end position it assumes the oblique position shown.
- a subsequent opening of the brake device 1 has the consequence that the Hubspindelmotor 7 is moved apart, wherein the guide means 9a is guided by the guide track 9b, that the guide means 9a is located at the end position of the Hubspindelmotors 7 in the end position EL, so that
- Hubspindelmotor 7 is pivoted back into the position shown in Figure 4. This shown in Figures 4 and 5
- Swiveling the Hubspindelmotors 7 about the pivot axis 7f gives the advantage that with eccentric arrangement of Guide rail 2 with respect to the brake device 1, the force caused on both sides of the brake pad 4 on the guide notes 2 force are similar.
- the guide device 9 can be configured in different ways to cause a guide of the rotation axis 6d within the housing 1a of the braking device 1.
- the linear drive 7 is designed as a spindle drive.
- Linear drive 7 can be configured in various ways, for example, as a hydraulic cylinder, as a pneumatic cylinder or, for example, as a section linearly extending
- Timing belt which is moved for example by a motor-driven gear.
- Figure 7 shows a detailed view of another embodiment of a brake device 1 with housing la and housing wall lc.
- the braking surface of the brake lining 4 runs parallel to the surface 2 a of the guide rail 2.
- the embodiment shown in FIG. 7 also has a rigid alignment part 13 which has two non-visible ends running perpendicular to the viewing plane, which are rotatably or pivotally mounted in the brake lining carrier 3b and in the housing la in the two bores 13a, 13b ,
- a rigid alignment part 13 which has two non-visible ends running perpendicular to the viewing plane, which are rotatably or pivotally mounted in the brake lining carrier 3b and in the housing la in the two bores 13a, 13b ,
- the illustrated in FIG. 7 has a rigid alignment part 13 which has two non-visible ends running perpendicular to the viewing plane, which are rotatably or pivotally mounted in the brake lining carrier 3b and in the housing la in the two bores 13a, 13b , In the illustrated
- This arrangement has the advantage that the braking surface of the brake pad 4 constantly aligns automatically parallel to the surface 2a, regardless of the pivotal position of the leg 3e.
- This embodiment has the advantage that the brake pad 4 never comes to rest on the guide rail 2 in a tilted or oblique position relative to the surface 2a. This reduces the wear of the brake pad 4, so that the brake device 1 during a longer period of time
- Figure 8 shows a detailed view of a brake pad carrier 3b with attached brake pad 4, wherein the brake pad 4 is fixedly connected to a brake pad holder 4a, wherein the
- the brake pad holder (4a) and the brake pad carrier (3b) are mutually adapted
- Brake pad holder (4a) via the dovetail connection releasably connect to the brake pad carrier (3b).
- Brake pad holder 4a can in a perpendicular to
- the fastening means 4b is perpendicular to the direction 2b of the guide rail 2.
- the fastening means 4b allows the brake pad holder 4a and thus the brake 4 exchange quickly and to ensure excellent connection with the brake pad support 3b. Thus, for the maintenance of the brake device 1 and for the replacement of the brake 4 only little time is required.
- Fastener 4b may be configured in a variety of ways to releasably and reliably connect the brake 4 with the brake pad support 3b.
- the brake device 1 has been described above in connection with an elevator device.
- the brake device 1 is preferably suitable for an elevator device, wherein the
- Braking device 1 could also be used in other fields of application, for example for braking a rotating drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13776429T PL2978702T3 (pl) | 2013-03-28 | 2013-09-19 | Urządzenie hamulcowe dla urządzenia dźwigowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00688/13A CH707833A1 (de) | 2013-03-28 | 2013-03-28 | Aufzugsanlage mit einer Bremsvorrichtung. |
PCT/EP2013/069522 WO2014154306A1 (de) | 2013-03-28 | 2013-09-19 | Bremsvorrichtung für eine aufzugsanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2978702A1 true EP2978702A1 (de) | 2016-02-03 |
EP2978702B1 EP2978702B1 (de) | 2017-11-29 |
Family
ID=48193061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13776429.6A Active EP2978702B1 (de) | 2013-03-28 | 2013-09-19 | Bremsvorrichtung für eine aufzugsanlage |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2978702B1 (de) |
CN (1) | CN105358462B (de) |
CH (1) | CH707833A1 (de) |
ES (1) | ES2654673T3 (de) |
HK (1) | HK1216170A1 (de) |
PL (1) | PL2978702T3 (de) |
TR (1) | TR201802372T4 (de) |
WO (1) | WO2014154306A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202015104095U1 (de) * | 2015-08-05 | 2016-11-09 | Wittur Holding Gmbh | Aufzug mit Bremseinrichtung nach Art einer Zangenbremse |
CN110088027B (zh) * | 2016-12-16 | 2021-03-05 | 因温特奥股份公司 | 驻停制动器 |
WO2018130520A1 (de) | 2017-01-10 | 2018-07-19 | Inventio Ag | Parkbremsen entriegelung |
ES2682530B1 (es) * | 2017-03-20 | 2019-06-27 | Vila Francisco Javier Porras | Freno de ascensor, con tren de palancas |
DE102017209888A1 (de) * | 2017-06-12 | 2018-12-13 | Thyssenkrupp Ag | Bremse für eine Aufzugsanlage |
CN111741915B (zh) * | 2018-03-28 | 2022-02-22 | 因温特奥股份公司 | 用于电梯设备的、特别是用作驻停和安全制动器的卡钳制动器 |
CN109552961B (zh) * | 2018-07-09 | 2023-08-22 | 杭州职业技术学院 | 电梯安全锁定装置 |
EP3674244B1 (de) * | 2018-12-31 | 2022-09-14 | KONE Corporation | Aufzugkabinenfeststellbremse |
CN110407123A (zh) * | 2019-08-08 | 2019-11-05 | 上海音锋机器人股份有限公司 | 一种升降平层自动抱闸机构 |
EP3789333B1 (de) | 2019-08-29 | 2023-06-07 | Dynatech, Dynamics & Technology, S.L. | Elektromechanische bidirektionale notstoppvorrichtung für einen aufzug |
WO2020234490A1 (es) | 2019-08-29 | 2020-11-26 | Dynatech, Dynamics & Technology, S.L. | Accionamiento electromecánico de un dispositivo unidireccional de parada de emergencia de un ascensor |
WO2021063631A1 (de) * | 2019-09-30 | 2021-04-08 | Inventio Ag | Bremsvorrichtung |
EP3822212A1 (de) * | 2019-11-12 | 2021-05-19 | KONE Corporation | Aufzugsparkbremse, verfahren zum betrieb eines aufzugssystems und aufzugssystem |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE203891C (de) * | ||||
US1206350A (en) * | 1910-07-12 | 1916-11-28 | Elevator Air Brake Company | Elevator-brake. |
GB554673A (en) * | 1942-03-03 | 1943-07-14 | Wm Wadsworth & Sons Ltd | Improvements relating to safety devices for lifts or elevators |
CN2437654Y (zh) * | 2000-07-16 | 2001-07-04 | 李金山 | 物料提升机防坠落保护器 |
ATE367996T1 (de) * | 2003-06-16 | 2007-08-15 | Inventio Ag | Seilbremse für einen aufzug |
CN201240732Y (zh) * | 2008-07-14 | 2009-05-20 | 许文基 | 滑动跟随式偏载控制安全钳连接机构 |
CN101907140A (zh) * | 2009-06-03 | 2010-12-08 | 河南理工大学 | 带增力机构的钳式制动器 |
-
2013
- 2013-03-28 CH CH00688/13A patent/CH707833A1/de not_active Application Discontinuation
- 2013-09-19 WO PCT/EP2013/069522 patent/WO2014154306A1/de active Application Filing
- 2013-09-19 EP EP13776429.6A patent/EP2978702B1/de active Active
- 2013-09-19 ES ES13776429.6T patent/ES2654673T3/es active Active
- 2013-09-19 TR TR2018/02372T patent/TR201802372T4/tr unknown
- 2013-09-19 CN CN201380076813.2A patent/CN105358462B/zh active Active
- 2013-09-19 PL PL13776429T patent/PL2978702T3/pl unknown
-
2016
- 2016-04-08 HK HK16104036.0A patent/HK1216170A1/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2014154306A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014154306A1 (de) | 2014-10-02 |
CN105358462A (zh) | 2016-02-24 |
ES2654673T3 (es) | 2018-02-14 |
PL2978702T3 (pl) | 2018-05-30 |
TR201802372T4 (tr) | 2018-03-21 |
EP2978702B1 (de) | 2017-11-29 |
CH707833A1 (de) | 2014-09-30 |
CN105358462B (zh) | 2017-05-24 |
HK1216170A1 (zh) | 2016-10-21 |
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