EP2178783A1 - Hubwerk - Google Patents
HubwerkInfo
- Publication number
- EP2178783A1 EP2178783A1 EP08785251A EP08785251A EP2178783A1 EP 2178783 A1 EP2178783 A1 EP 2178783A1 EP 08785251 A EP08785251 A EP 08785251A EP 08785251 A EP08785251 A EP 08785251A EP 2178783 A1 EP2178783 A1 EP 2178783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- height
- primary conductor
- conductor system
- drive
- hoist
- 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
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0461—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with rack and pinion gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
- B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure
Definitions
- the invention relates to a hoist.
- the invention is therefore based on the object to improve the safety of plants.
- the hoist is a carriage on a linkage, in particular comprising ⁇ rails and / or rack, guided, is movable
- the carriage comprises a drive and a secondary coil, via which the drive can be supplied without contact with electrical power
- the secondary coil is inductively coupled to the primary conductor system
- the second height being smaller than the first one.
- the secondary coil has a capacitance connected in series or in parallel such that the associated resonant frequency essentially corresponds to the frequency of a current impressed into the primary conductor system.
- the advantage here is that the leadership of the car may have greater tolerance.
- the hoist is thus providable as a construction hoist.
- the height difference of the second to the first height is greater than the height corresponding to the complete conversion of kinetic energy into potential energy, wherein the initial kinetic energy is related to the maximum achievable speed of the drive.
- the primary conductor system comprises a forward conductor and a return conductor, wherein the forward conductor are electrically connected to the return conductor in the second height.
- the linkage for wheels of the car comprises a rail and / or is designed as a rail.
- the advantage here is that the car is supported with its wheels on the linkage and the distance between the secondary coil and the primary conductor system is determined by this.
- a rack is provided on the linkage to which a drivable by the drive gear part is engaged.
- the hoist is composed of similar modules, wherein at least one uppermost module is provided without a primary conductor system and at least at a lower module in addition a primary conductor system is mounted.
- the advantage here is that the security can be increased by the necessary modules is added an additional. Thus, no special extra effort is necessary. Further advantages emerge from the subclaims.
- the invention is not limited to the combination of features of the claims. For the skilled person, further meaningful combination options of claims and / or individual claim features and / or features of the description and / or figures, in particular from the task and / or by posing the task by comparison with the prior art task.
- FIG. 1 shows a hoisting gear according to the invention, the section of which is shown enlarged in FIG. 1a.
- a hoist comprising a linkage to which a rack 3 is mounted.
- the carriage 4 comprising a transferring head is connected to the load 2, more particularly a car, and comprises a drive engaged with the rack and thus the stroke movement is effected.
- the drive comprises an electric motor, which is fed by a converter, which can be supplied via a secondary coil, which is provided with longitudinally displaced along the linkage arranged primary conductors inductively coupled.
- a medium-frequency current is impressed in the primary conductor. This preferably has a frequency between 10 and 100 kHz.
- the secondary coil is a capacity connected in series or in parallel, that the associated resonant frequency of the center frequency substantially corresponds.
- the secondary coil is in the transmitter head, which is also called pick-up includes.
- the lead conductor 5 and the return conductor 6 are short-circuited at one end by being connected to one another within the groove of an end piece 7 via a reverse loop.
- the carriage 4 is movable with its pickup containing the secondary coil higher than the position of the reverse loop, but falls off when the position of the reverse loop, the power supply fails.
- the remaining length of the carriageway, comprising the linkage and the rack, which exceeds this position, is dimensioned such that the kinetic energy associated with the maximum achievable speed in the vertical direction at least corresponds to the increase in potential energy when driving through the residual length. In this way, at most, the kinetic energy is converted into potential energy and then the movement is stopped by means of gravity and vice versa.
- the primary conductor system comprising the forward conductor 5 and the return conductor 6 can be clipped into plastic laying profiles which are detachably connectable to the lower module of the lifting unit constructed from two modules in FIG.
- the upper module lacks these installation profiles and the primary conductor system.
- the safety of the modular hoist can be improved by merely placing a topmost module.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Types And Forms Of Lifts (AREA)
- Handcart (AREA)
- Linear Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007038497.3A DE102007038497B4 (de) | 2007-08-14 | 2007-08-14 | Hubwerk |
| PCT/EP2008/006309 WO2009021637A1 (de) | 2007-08-14 | 2008-07-31 | Hubwerk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2178783A1 true EP2178783A1 (de) | 2010-04-28 |
| EP2178783B1 EP2178783B1 (de) | 2015-11-11 |
Family
ID=40081320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08785251.3A Active EP2178783B1 (de) | 2007-08-14 | 2008-07-31 | Hubwerk |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2178783B1 (de) |
| CN (1) | CN101778792B (de) |
| DE (1) | DE102007038497B4 (de) |
| WO (1) | WO2009021637A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011012359A1 (de) * | 2011-02-24 | 2012-08-30 | Sew-Eurodrive Gmbh & Co. Kg | Transportvorrichtung, insbesondere Hubwerk |
| CN104713951B (zh) | 2013-12-13 | 2018-05-22 | 通用电气公司 | 改进的提降装置以及使用其的超声检测系统 |
| US11674929B2 (en) | 2015-08-19 | 2023-06-13 | General Electric Company | Lifting apparatus and ultrasonic inspection system |
| RU2634602C1 (ru) * | 2016-07-26 | 2017-11-01 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" | Подъемная установка |
| CN108502667B (zh) * | 2018-03-18 | 2019-08-02 | 李翔 | 一种电梯的保护装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498556A (en) * | 1982-09-11 | 1985-02-12 | Access Engineering Ltd. | Vertically movable, road towable work platform |
| JP2530382B2 (ja) * | 1990-05-14 | 1996-09-04 | 三菱電機株式会社 | リニアモ―タエレベ―タ― |
| JP2529756B2 (ja) * | 1990-06-11 | 1996-09-04 | 三菱電機株式会社 | リニアモ―タエレベ―タ― |
| EP1055634B1 (de) | 1999-05-25 | 2006-07-19 | Inventio Ag | Einrichtung zur Energieübertragung auf ein Fahrzeug eines Transportsystems |
| DE10225005C1 (de) * | 2002-06-06 | 2003-12-04 | Wampfler Ag | Vorrichtung zur induktiven Übertragung elektrischer Energie |
| SG109535A1 (en) * | 2003-08-14 | 2005-03-30 | Inventio Ag | Electric motor, lift with a cage movable by an electric motor, and lift with a cage and with an electric motor for movement of a guide element relative to the cage |
| DE102004025664A1 (de) | 2004-05-26 | 2005-12-22 | Jappsen, Hans | Aufzug mit individuellem Elektroantrieb |
| DE102005049408A1 (de) | 2005-10-13 | 2007-04-26 | Wittenstein Ag | Selbstfahrender Aufzug |
| DE102006055253B4 (de) * | 2006-04-05 | 2018-09-27 | Sew-Eurodrive Gmbh & Co Kg | Fördervorrichtung |
-
2007
- 2007-08-14 DE DE102007038497.3A patent/DE102007038497B4/de active Active
-
2008
- 2008-07-31 WO PCT/EP2008/006309 patent/WO2009021637A1/de not_active Ceased
- 2008-07-31 CN CN2008801023997A patent/CN101778792B/zh active Active
- 2008-07-31 EP EP08785251.3A patent/EP2178783B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009021637A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007038497A1 (de) | 2009-02-26 |
| WO2009021637A1 (de) | 2009-02-19 |
| DE102007038497B4 (de) | 2018-09-27 |
| EP2178783B1 (de) | 2015-11-11 |
| CN101778792A (zh) | 2010-07-14 |
| CN101778792B (zh) | 2012-10-10 |
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