WO2000068596A1 - Scherenhubtisch - Google Patents
Scherenhubtisch Download PDFInfo
- Publication number
- WO2000068596A1 WO2000068596A1 PCT/EP2000/002657 EP0002657W WO0068596A1 WO 2000068596 A1 WO2000068596 A1 WO 2000068596A1 EP 0002657 W EP0002657 W EP 0002657W WO 0068596 A1 WO0068596 A1 WO 0068596A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lifting
- scissors
- table according
- lift table
- scissor lift
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
Definitions
- the invention relates to a scissor lifting table with scissors arranged between a carrying device and a base unit, which has inner legs and outer legs that can be pivoted relative to one another about a scissor axis, and with a lifting device that moves back and forth by means of a drive for opening and closing the scissors Movable pallet truck forth.
- a scissor lift table of this type as it is used for lifting and lowering loads, for example in automobile manufacture, is identified as known in DE 90 05 566 U 1.
- two scissors are arranged on the side of a carrying device in the form of a platform and a frame-shaped base unit for lifting and lowering the platform by opening and closing the scissors.
- the opening and Closing the scissors is produced by moving a lifting carriage or lifting carriage guided between the longitudinal longitudinal struts of the base unit with laterally arranged lifting curves arranged obliquely on the upper side in the region of the scissors axis.
- To move the lifting carriage it is driven by a threaded spindle.
- Such a spindle is a precision part and usually runs in a spindle nut with ball bearings.
- Such a spindle drive is not only relatively expensive, but also sensitive to transverse forces and vibrations, so that the run is disturbed and the spindle drive can be damaged.
- an actuating drive with rollers is arranged essentially horizontally at the height of the scissor axis of rotation.
- the rollers interact with control cams arranged on the scissor arm, the roller axles being displaced in parallel in the center plane by an actuator.
- a hydraulic hydraulic piston actuator with cylinder is specified as the actuator.
- Such a hydraulic actuator usually leads to a jerky start and stop of the lifting movement and can also cause undesirable oily deposits, for example on a surface to be painted, and is therefore often undesirable.
- the invention has for its object to provide a scissor lifting table of the type mentioned, with which the lifting movement can be controlled and carried out reliably without risk of contamination.
- This object is achieved with the features of claim 1. According to this, it is provided that the drive is directed parallel to the scissors axis
- Drive shaft is coupled, with which at least one traction means placed around it and coupled to the lifting truck can be moved in both directions of rotation.
- a drive belt, a chain and preferably a toothed belt can be considered as suitable traction means.
- a favorable structure for a reliable function is that the
- Drive shaft is fixedly mounted on the base unit and that at least one deflection element, which is rotatably mounted on a rotational axis arranged at a fixed distance from the drive shaft and parallel to the latter, is provided for deflecting the traction means.
- the measures are further advantageous that the drive shaft carries, on its peripheral surface, at least in some areas, a toothing which interacts with counter teeth of the at least one traction means.
- the reliability of the drive device further contribute to the fact that several, for example three or four traction means and a number of deflection elements corresponding to their number are provided.
- the measures are favorable that the traction means forms an upper run and a lower run and that the lift truck is coupled to the upper run.
- the traction device has two ends, both of which are fixed to the lifting truck, at least one fastening point having a tensioning device for tensioning the respective traction device.
- the tension of the traction means could also be achieved by adjusting the corresponding deflection elements.
- the measures are advantageous in that the drive has a gear section with a stub shaft, into which an adapted end section of the drive shaft is inserted.
- the drive is attached to the side of the base unit and is provided with a brake and a torque arm.
- a structure that is favorable for the function consists of two parallel ones
- Inner legs and two parallel outer legs are mounted on both sides of the base unit and the carrying device and that the lifting truck is supported on the inner legs in a rolling or sliding manner, while on at least one outer leg for opening and closing the scissors for the lifting movement an interchangeable stroke curve, for example, is provided, via which the stroke movement can be determined.
- the drive shaft is arranged in the region of a base-side pivot axis of the inner legs, while the axis of rotation of the deflecting elements in the region of the inner legs is arranged on the side of the scissors axis opposite the drive shaft, then the lifting truck will be safely carried out on the inner legs the stroke movement to the end positions.
- the measures are further favorable that the pallet truck has two pairs of rollers offset in the running direction for support on the inner legs and a pair of lifting rollers for interacting with the lifting curves.
- Fig. 1 is a partially sectioned side view of a scissor lift table from the inside and Fig. 2 is a partially sectioned view of the scissor lift table from above.
- Fig. 1 shows, as an exemplary embodiment, a scissor lift table 20 in a partially sectioned side view from the inside, with a pair of scissors 11 with two inner legs between a frame-shaped base unit 1 which can be anchored to the floor and a carrying device 1 4, for example a platform used to hold car bodies 1 2 and two outer legs 1 3 and a scissors axis 1 6 is arranged.
- a carrying device 1 4 for example a platform used to hold car bodies 1 2 and two outer legs 1 3 and a scissors axis 1 6 is arranged.
- a drive 1 in the form of an electric motor is arranged on the side, on the outside of the base unit 17, which is coupled to a brake 1 .2 and is fixed in a rotationally secure manner with a torque support 2.
- a drive shaft 3 is inserted, which is partially provided with teeth on its outside.
- the drive shaft 3 is in the region of the lower pivot axis of the inner legs 1 2 of the scissors 1 1 on longitudinal struts or cross struts or separate support elements of the base unit 1 7 rotatably fixed in rotary bearings 1 5.
- the toothed belt wheels 5 each have lateral flanges, so that the toothed belts 4 forming an upper run and a lower run are reliably guided.
- the toothed belt wheels 5 can be formed on a common shaft or axis and, if desired, can also be provided with toothings.
- a lifting carriage 6 is arranged on the upper side of the upper run of the toothed belt 4 and is fixed to the four toothed belts 4 at clamping points 8 with clamping means.
- the clamping points 8 are provided at least on one side with tensioning means 8 which can be adjusted in the circumferential direction.
- the toothed belts 4 are clamped with their two ends at the clamping points 8.
- the pallet truck 6 is supported with support rollers 7 either on the upper edge of the inner legs 1 2 or on preferably interchangeable rails attached to the side of the inner legs 1 2, two pairs of support rollers 7 lying opposite one another being provided, which are spaced apart in the direction of travel .
- the lifting truck 6 has a pair of laterally opposite lifting rollers 9 which roll under the lifting curves 10 arranged on the two outer legs 13 in their upper leg section with respect to the scissors axis 1 6 during a movement of the lifting truck 6.
- the stroke curve 10 can be designed in accordance with a desired temporal course of the stroke movement, so that, for example, the stroke movement begins slowly, is accelerated and slowly ends again.
- the stroke curve can also be shaped at its ends so that towards the end of the movement of the lifting truck 6 there is no further lifting movement, so that an exact final height of the carrying device 14, for example in the area of a transfer station to a transverse conveyor belt, is clearly achieved.
- the lifting truck 6 is moved with the drive 1 via the drive shaft 3 and the toothed belt 4 in the desired direction and up to the desired position.
- the position setting can be monitored or controlled using position detectors. An unintentional downward stroke is reliably avoided with the brake 1 .2. If a toothed belt 4 breaks, the lifting operation can be continued with the remaining toothed belts 4 until a suitable opportunity to replace the damaged toothed belt 4 arises.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50000879T DE50000879D1 (de) | 1999-05-08 | 2000-03-25 | Scherenhubtisch |
JP2000617347A JP2002544094A (ja) | 1999-05-08 | 2000-03-25 | シザーズ型リフトテーブル |
EP00920582A EP1181467B2 (de) | 1999-05-08 | 2000-03-25 | Scherenhubtisch |
AT00920582T ATE229139T1 (de) | 1999-05-08 | 2000-03-25 | Scherenhubtisch |
US10/018,102 US6705238B1 (en) | 1999-05-08 | 2001-03-25 | Scissors-type lifting table |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921435A DE19921435A1 (de) | 1999-05-08 | 1999-05-08 | Scherenhubtisch |
DE19921435.2 | 1999-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000068596A1 true WO2000068596A1 (de) | 2000-11-16 |
Family
ID=7907534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/002657 WO2000068596A1 (de) | 1999-05-08 | 2000-03-25 | Scherenhubtisch |
Country Status (7)
Country | Link |
---|---|
US (1) | US6705238B1 (de) |
EP (1) | EP1181467B2 (de) |
JP (1) | JP2002544094A (de) |
AT (1) | ATE229139T1 (de) |
DE (3) | DE19921435A1 (de) |
ES (1) | ES2185587T5 (de) |
WO (1) | WO2000068596A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002308571A (ja) * | 2001-04-16 | 2002-10-23 | Meikikou:Kk | テーブルリフト装置 |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10100710C1 (de) * | 2001-01-10 | 2002-02-28 | Heckert Gmbh | Scherenhubtisch |
US6742768B2 (en) * | 2002-03-07 | 2004-06-01 | Transportes Continuos Interiores, S.A. | Scissor lifting table |
FR2837193A1 (fr) * | 2002-03-12 | 2003-09-19 | Transportes Continuos Interior | Table elevatrice a ciseaux |
EP1454873B1 (de) * | 2003-03-04 | 2006-11-22 | Pro Hub Hebetechnik GmbH | Scherenhubvorrichtung |
US7044086B2 (en) * | 2003-03-21 | 2006-05-16 | Larry A. Fisher | Animal raising and lowering system |
WO2004097269A2 (en) * | 2003-04-29 | 2004-11-11 | Swain Stephen C | Multi-position work tables |
DE10359490A1 (de) * | 2003-12-18 | 2005-07-14 | Gerold Heckert | Scherenhubtisch |
US7048236B2 (en) * | 2004-01-29 | 2006-05-23 | Neutral Posture, Inc. | Vertical adjustment apparatus for a keyboard |
US20060086565A1 (en) * | 2004-06-01 | 2006-04-27 | Michael Hernandez | Raisable work bench |
US20060037518A1 (en) * | 2004-08-17 | 2006-02-23 | Adelardo Lopez Alba | Power-operated scissor lift table |
CN101039780A (zh) * | 2004-10-18 | 2007-09-19 | 皇家飞利浦电子股份有限公司 | 剪刀和用于剪刀的驱动装置 |
US7246784B1 (en) * | 2004-11-18 | 2007-07-24 | Hector Lopez | Spring-loaded shelf for a cooler |
US7637468B2 (en) * | 2008-01-06 | 2009-12-29 | Ming-Hsing Huang | Adjustable notebook computer support |
US8662477B2 (en) * | 2009-12-16 | 2014-03-04 | Herkules Equipment Corporation | Belt-driven transportation system |
US8714524B2 (en) * | 2009-12-16 | 2014-05-06 | Herkules Equipment Corporation | Belt-driven transportation system |
US8733508B2 (en) | 2010-04-02 | 2014-05-27 | Herkules Equipment Corporation | Scissor lift assembly |
US8308134B2 (en) | 2010-04-20 | 2012-11-13 | Stan Design, Inc. | Mobile jack with locking assembly |
CA2834371C (en) | 2011-03-25 | 2020-09-29 | Boomerang Systems, Inc. | Scissor lift |
USD668425S1 (en) | 2011-03-29 | 2012-10-02 | Boomerang Systems, Inc. | Scissor assembly for a scissor lift |
DE102011118672A1 (de) * | 2011-11-16 | 2013-05-16 | Christoph Mohr | Scherenhubtisch |
WO2013176690A1 (en) | 2012-05-24 | 2013-11-28 | Gemmy Industries Corporation | Adjustable desktop platform |
DE202013100340U1 (de) * | 2012-07-13 | 2013-02-08 | Rofa Industrial Automation Ag | Hubtischsteuerung |
US9296596B2 (en) | 2012-10-15 | 2016-03-29 | Cameron Lanning Cormack | Hybrid wedge jack/scissor lift lifting apparatus and method of operation thereof |
US8967057B2 (en) * | 2012-11-02 | 2015-03-03 | South Essex Fabricating Inc. | Vertically adjustable platform system |
US9422142B2 (en) | 2013-08-01 | 2016-08-23 | Herkules Equipment Corporation | Scissor-type lift assembly |
TWI531523B (zh) * | 2013-12-06 | 2016-05-01 | 金寶電子工業股份有限公司 | 升降車與其高度顯示機構 |
DE102014001890B4 (de) * | 2014-02-14 | 2019-08-22 | Grammer Ag | Vorrichtung zum Abfedern eines Federungsoberteils in wenigstens einer Raumrichtung gegenüber einem relativ dazu bewegbaren Federungsunterteil, Sitz und Fahrzeug mit einer derartigen Vorrichtung |
DE102014002210B4 (de) * | 2014-02-20 | 2018-07-19 | Grammer Aktiengesellschaft | Vorrichtung zum Abfedern eines Federungsoberteils in wenigstens einer Raumrichtung gegenüber einem relativ dazu bewegbaren Federungsunterteil, Sitz und Fahrzeug |
EP3702246A1 (de) * | 2015-05-26 | 2020-09-02 | Exonetik Inc. | Ktives lenksystem unter verwendung von kupplungsvorrichtungen mit magnetorheologischer flüssigkeit |
US9504316B1 (en) * | 2016-04-20 | 2016-11-29 | Henry Streicher | Height adjustable desktop assembly |
CN206390562U (zh) | 2016-09-23 | 2017-08-11 | 廖良成 | 电动升降电脑桌及其办公桌 |
US11019920B2 (en) | 2016-09-23 | 2021-06-01 | Varidesk, Llc | Electrically-lifted computer desk and office desk thereof |
US9855879B1 (en) | 2016-10-05 | 2018-01-02 | Extendquip, Llc | Support assembly for mounting an accessory to a work utility vehicle |
US11390504B2 (en) * | 2018-03-20 | 2022-07-19 | Bastian Solutions, Llc | Lift mechanism for robotic shuttle system |
CN109380873A (zh) * | 2018-10-12 | 2019-02-26 | 中国环境管理干部学院 | 一种思政用可移动演说台 |
TWI702072B (zh) * | 2019-11-29 | 2020-08-21 | 昌祐科技國際股份有限公司 | 用於健身器材之車架揚升機構 |
DE102021209083B4 (de) * | 2021-08-18 | 2023-06-07 | Siemens Healthcare Gmbh | Patientenlagerungstisch |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3785462A (en) * | 1972-06-23 | 1974-01-15 | Applied Radiation Corp | Scissor lift and drive mechanism therefor |
DE3331872A1 (de) * | 1982-10-16 | 1984-04-19 | Flexlift Hubgeräte GmbH, 4800 Bielefeld | Hubvorrichtung |
DE9005566U1 (de) * | 1990-05-16 | 1990-07-19 | Heinrichs, Peter, 6507 Ingelheim, De | |
DE4413527A1 (de) * | 1994-04-15 | 1995-10-19 | Laweco Maschinen Und Apparateb | Scherenhubtisch |
Family Cites Families (21)
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FR1026383A (fr) | 1949-11-05 | 1953-04-27 | Geilinger & Co | Plate-forme de levée électrique |
USRE27914E (en) * | 1970-07-21 | 1974-02-05 | Scissors-type linkage | |
DE2635197A1 (de) * | 1976-08-05 | 1978-02-09 | Trepel Ag | Scherenhebetisch |
DE7932713U1 (de) * | 1979-11-20 | 1981-03-12 | Heide, Carsten, 4800 Bielefeld | Hubvorrichtung |
FR2473029A1 (fr) | 1980-01-08 | 1981-07-10 | Hillesheimer Walter | Pont elevateur, transporteur ou basculant, actionne hydrauliquement |
EP0044715A1 (de) | 1980-07-17 | 1982-01-27 | DAVY McKEE (SHEFFIELD) LIMITED | Walzwerk |
US4638610A (en) * | 1983-03-03 | 1987-01-27 | Elevator Gmbh | Theatrical stage |
DE3434130A1 (de) | 1983-10-12 | 1985-05-02 | Flexlift Hubgeräte GmbH, 4800 Bielefeld | Hubvorrichtung |
US4585212A (en) * | 1984-12-07 | 1986-04-29 | International Business Machines Corporation | Lift device of the scissor-jack type |
DE3608231A1 (de) * | 1986-03-12 | 1987-09-17 | Prinzess Moebel Gustav Weritz | Schnellsenk- und hebevorrichtung zum einsetzen in kleinmoebel |
US4682750A (en) * | 1986-09-26 | 1987-07-28 | Eidos Corporation | Low profile extensible support platform |
US4926760A (en) * | 1989-01-27 | 1990-05-22 | Sack Allen J | Self leveling tables |
DE4011318A1 (de) * | 1990-04-07 | 1991-10-17 | Stotz Kraemer Ag | Hubtisch zur ueberwindung eines hoehensprungs in foerderstrassen |
US5339749A (en) * | 1992-06-23 | 1994-08-23 | Hihasuto Seiko Co., Ltd. | Table positioning mechanism |
DE4336833C2 (de) | 1992-12-18 | 1995-10-05 | Wegmann & Co Gmbh | Scherenhubtisch |
CA2115870C (en) * | 1993-08-31 | 1999-01-05 | Kenneth J. Zimmer | Single beam aerial work platform |
JP2560869Y2 (ja) * | 1993-09-02 | 1998-01-26 | 杉安工業株式会社 | 作業台 |
DE4336662A1 (de) * | 1993-10-27 | 1995-05-04 | Stamm Johann | Scherenhubtisch |
US5588377A (en) * | 1995-04-25 | 1996-12-31 | Fleetwood Enterprises, Inc. | Convertible table configurable between expanded and compressed positions |
DE19744519C1 (de) | 1997-10-09 | 1998-12-03 | Flexlift Hubgeraete Gmbh | Scherenhubtisch |
DE29806243U1 (de) * | 1998-04-04 | 1998-07-02 | Foerster Rainer | Werktisch mit mehreren in ihrer Länge verstellbaren Tischbeinen |
-
1999
- 1999-05-08 DE DE19921435A patent/DE19921435A1/de not_active Withdrawn
- 1999-06-19 DE DE29910744U patent/DE29910744U1/de not_active Expired - Lifetime
-
2000
- 2000-03-25 EP EP00920582A patent/EP1181467B2/de not_active Expired - Lifetime
- 2000-03-25 JP JP2000617347A patent/JP2002544094A/ja active Pending
- 2000-03-25 WO PCT/EP2000/002657 patent/WO2000068596A1/de active IP Right Grant
- 2000-03-25 AT AT00920582T patent/ATE229139T1/de not_active IP Right Cessation
- 2000-03-25 ES ES00920582T patent/ES2185587T5/es not_active Expired - Lifetime
- 2000-03-25 DE DE50000879T patent/DE50000879D1/de not_active Expired - Lifetime
-
2001
- 2001-03-25 US US10/018,102 patent/US6705238B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3785462A (en) * | 1972-06-23 | 1974-01-15 | Applied Radiation Corp | Scissor lift and drive mechanism therefor |
DE3331872A1 (de) * | 1982-10-16 | 1984-04-19 | Flexlift Hubgeräte GmbH, 4800 Bielefeld | Hubvorrichtung |
DE9005566U1 (de) * | 1990-05-16 | 1990-07-19 | Heinrichs, Peter, 6507 Ingelheim, De | |
DE4413527A1 (de) * | 1994-04-15 | 1995-10-19 | Laweco Maschinen Und Apparateb | Scherenhubtisch |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002308571A (ja) * | 2001-04-16 | 2002-10-23 | Meikikou:Kk | テーブルリフト装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1181467A1 (de) | 2002-02-27 |
EP1181467B2 (de) | 2007-10-03 |
DE29910744U1 (de) | 1999-11-04 |
US6705238B1 (en) | 2004-03-16 |
EP1181467B1 (de) | 2002-12-04 |
JP2002544094A (ja) | 2002-12-24 |
ES2185587T3 (es) | 2003-05-01 |
DE50000879D1 (de) | 2003-01-16 |
ATE229139T1 (de) | 2002-12-15 |
DE19921435A1 (de) | 2000-11-16 |
ES2185587T5 (es) | 2008-03-16 |
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