EP1852384B1 - Colonne élévatrice téléscopique - Google Patents

Colonne élévatrice téléscopique Download PDF

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Publication number
EP1852384B1
EP1852384B1 EP07104663A EP07104663A EP1852384B1 EP 1852384 B1 EP1852384 B1 EP 1852384B1 EP 07104663 A EP07104663 A EP 07104663A EP 07104663 A EP07104663 A EP 07104663A EP 1852384 B1 EP1852384 B1 EP 1852384B1
Authority
EP
European Patent Office
Prior art keywords
lifting column
linear drives
column according
hydraulic cylinders
coupling part
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.)
Ceased
Application number
EP07104663A
Other languages
German (de)
English (en)
Other versions
EP1852384A1 (fr
Inventor
Björn KOOP
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoerbiger Automatisierungstechnik Holding GmbH
Original Assignee
Hoerbiger Automatisierungstechnik Holding GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoerbiger Automatisierungstechnik Holding GmbH filed Critical Hoerbiger Automatisierungstechnik Holding GmbH
Publication of EP1852384A1 publication Critical patent/EP1852384A1/fr
Application granted granted Critical
Publication of EP1852384B1 publication Critical patent/EP1852384B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1471—Guiding means other than in the end cap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Definitions

  • the invention relates to a telescopic lifting column, with two in the operating direction functionally connected in series, antiparallel juxtaposed linear drives, each with a relative to an outer element extending on actuation inner element, in particular for hydraulic height adjustment of a medical treatment table with designed as fluid-actuated cylinder / piston arrangements linear actuators ,
  • a plurality of concentric nested pneumatic or hydraulic cylinder / piston arrangements are usually provided, in each of which the piston rod of an outer unit is hollow and directly forms the cylinder for the next following inner unit.
  • the individual cylinder / piston assemblies can be acted upon in parallel simultaneously or individually or in succession with pressure medium. Depending on the number of parallel and operating in the same direction stages so that the total lifting height can make up a multiple of the longitudinal extent of the lifting column in the retracted state.
  • Such lifting columns are in various contexts in use - such as lifts, height-adjustable tables, such as the aforementioned medical treatment tables, and the like. Similar designs shows z. Belly WO 94/05583 according to which a plurality of drives are arranged in a telescopically parallel manner, wherein the connection of the individual drives always takes place from one inner element to the next outer element.
  • Object of the present invention is to improve a telescopic lifting column of the type mentioned so that the mentioned disadvantages of the above-mentioned known arrangements are avoided and that in particular in a simple and space-saving way a secure and stable guidance of the lifting column is guaranteed even at higher loads ,
  • the guide surfaces of the coupling part interact directly with the outer surfaces of tubular hydraulic cylinders of the linear drives, which allows a simple design of the outer elements and guide surfaces.
  • rail-like integrally formed on the outer elements or attached separate guides could be provided.
  • the guide surfaces of the coupling part and / or outer elements can be provided in a further preferred embodiment of the invention with plain bearing materials, preferably made of plastic, which leaves the lifting column smoothly even under increased load.
  • the guide surfaces can be arranged on adjustable relative to the coupling part bearing blocks, which allows even during assembly accurate adjustment, for example, to compensate for manufacturing tolerances.
  • At least one of the linear actuators has a plurality of hydraulic cylinders arranged in parallel, which not only enables the simple provision of larger forces, but primarily a simple rotation of the lifting column, without additional measures would have to be taken.
  • the hydraulic cylinders of one side of the lifting column can also be arranged symmetrically on both sides of the hydraulic cylinder (s) of the other side of the lifting column, which results from the construction lateral loads on the linear drives or their guide surfaces excludes.
  • different linear drives can be arranged on both sides of the lifting column, in particular hydraulic cylinder with different piston diameters and / or strokes, which, according to a further embodiment of the invention, independently operable, in particular separately controllable with different pressure means, can be. This can be realized in the simplest way for various applications exactly tailored arrangements.
  • the hydraulic cylinder of a linear drive can be connected together according to a further preferred embodiment of the invention in each case with a support element, which preferably also has the outer terminals of the lifting column.
  • FIG. 1 shows a telescopic lifting column according to the invention in almost completely retracted state in a perspective view
  • Fig. 2 the lifting column Fig. 1 in exploded view
  • Fig. 3 a single cylinder / piston arrangement of the lifting column from the Fig. 1 and 2 ,
  • the illustrated telescopic lifting column has two in the actuating direction (arrow 1) functionally connected in series, antiparallel juxtaposed linear drives 2, 3, which here have two parallel juxtaposed hydraulic cylinder / piston assemblies 4.
  • the linear drives 2, 3 could readily be formed in other common, known manner, for example as electric screw drives or the like.
  • - Essential is only one upon actuation relative to an outer member 5 (here the cylinder) ausfahrendes inner element. 6 (here the Piston rod), which allows a relative displacement between the outer end of the extending inner member and the outer member (and in particular the opposite end).
  • Fig. 2 To start from the Fig. 1 imaginable, relatively small overall height of the retracted lifting column one out Fig. 2 can be imagined, relatively large (namely, about the order of magnitude doubled) total height of the extended lifting column, the inner elements 6 of the linear drives 2, 3 and the cylinder / piston assemblies 4 are connected via a coupling part 7.
  • Fig. 2 How out Fig. 2 can be seen, are the upwardly facing ends of the inner elements (or piston rods) 6 of the lower linear actuator 3 by means of nuts 8 at an upper support bracket 9 and the downwardly facing ends of the inner elements 6 (or piston rods) of the upper linear actuator 2 by means of nuts 10th screwed to a support bracket 11 at the lower end of the coupling part 7.
  • the guide surfaces 14 are preferably provided with plain bearing materials, for example made of plastic, which ensures the ease of movement of the lifting column even at higher loads.
  • the hydraulic cylinders or linear drives one side of the lifting column could also be arranged symmetrically on both sides of the (the) linear drives the other side of the lifting column, which, for example, two separate upper or two separate lower linear actuators each with a centrally intervening linear drive of the other side results and excludes lateral loads of the type described.
  • linear drives could be arranged on both sides of the lifting column, in particular hydraulic cylinders with different piston diameters and / or strokes, which could also be actuated independently of one another, in particular could be controlled separately with different pressure means.
  • the hydraulic cylinder or cylinder / piston assemblies 4 of the two linear drives 2, 3 are each connected together with a support member 15 which is formed here as a folded sheet metal part and also has the upper and lower outer terminals 16 of the lifting column.
  • the lower outer terminal 16 is connected by screws 17 to a base plate 18 - the connection of the upper outer terminal 16, for example, with an operating table or the like. Is not shown here.
  • the outer member 5 of the cylinder / piston assembly 4 except for a terminal block 19, which also has the hydraulic connections in addition to the threaded holes for attachment to the support members 15, smooth and cylindrical, resulting in a large-scale interaction with the guide surfaces 14 of the coupling part 7 and thus ensures a smooth running of the lifting column even with heavy loads and laterally acting moments.
  • the outer elements 5 but, if necessary, of course, also separate guide rails or the like. Have to cooperate with corresponding guide surfaces of the coupling part 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Actuator (AREA)

Claims (9)

  1. Colonne élévatrice télescopique, comportant deux entraînements linéaires (2,3) disposés côté à côté de manière antiparallèle, placés fonctionnellement l'un derrière l'autre dans la direction d'actionnement (1), comportant respectivement un élément intérieur (6) se déployant à l'extérieur d'un élément extérieur (5) lors de l'actionnement, notamment à des fins de réglage en hauteur hydraulique d'une table médicale pour salle de traitement comportant deux entraînements linéaires (2,3) réalisés avec des ensembles cylindre/piston (4) actionnables par des moyens pressurisés,
    caractérisée en ce que
    les éléments intérieurs (6) des entraînements linéaires (2,3) placés fonctionnellement l'un derrière l'autre sont reliés l'un à l'autre par l'intermédiaire d'une pièce de couplage (7), qui présente des surfaces de guidage (14) coopérant avec les éléments extérieurs (5) dans la direction d'actionnement (1).
  2. Colonne élévatrice selon la revendication 1, caractérisée en ce que les surfaces de guidage (14) de la pièce de couplage (7) coopèrent directement avec les surfaces extérieurs des cylindres hydrauliques tubulaires (4) des entraînements linéaires (2,3).
  3. Colonne élévatrice selon la revendication 2, caractérisée en ce que les surfaces de guidage (14) sont pourvues de matériaux de palier lisse, de préférence en plastique.
  4. Colonne élévatrice selon une des revendications 1 à 3, caractérisée en ce que les surfaces de guidage (14) sont disposées sur des chaises de palier (12,13) réglables par rapport à la pièce de couplage (7).
  5. Colonne élévatrice selon une des revendications 1 à 4, caractérisée en ce que au moins un des entraînements linéaires (2,3) présente plusieurs cylindres hydrauliques (4) disposés en parallèle.
  6. Colonne élévatrice selon la revendication 5, caractérisée en ce que les cylindres hydrauliques (4) d'un côté de la colonne élévatrice sont disposés symétriquement sur les deux côtés du(des) cylindre(s) hydraulique(s) (4) de l'autre côté de la colonne élévatrice.
  7. Colonne élévatrice selon une ou plusieurs des revendications 1 à 6, caractérisée en ce que des entraînements linéaires différents (2,3) sont disposés sur les deux côtés de la colonne élévatrice, notamment des cylindres hydrauliques (4) avec des diamètres de piston et/ou levages différents.
  8. Colonne élévatrice selon une ou plusieurs des revendications 1 à 7, caractérisée en ce que les entraînements linéaires (2,3) peuvent être actionnés sur les deux côtés de la colonne élévatrice indépendamment l'un de l'autre, notamment peuvent être commandés séparément avec des moyens pressurisés différents.
  9. Colonne élévatrice selon la revendication 5, caractérisée en ce que les cylindres hydrauliques (4) d'un entraînement linéaire (2,3) sont respectivement reliés conjointement par un élément porteur (15), qui présente de préférence également les raccords extérieurs (16) de la colonne élévatrice.
EP07104663A 2006-05-04 2007-03-22 Colonne élévatrice téléscopique Ceased EP1852384B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0076506A AT503281B1 (de) 2006-05-04 2006-05-04 Teleskop-hubsäule

Publications (2)

Publication Number Publication Date
EP1852384A1 EP1852384A1 (fr) 2007-11-07
EP1852384B1 true EP1852384B1 (fr) 2011-09-07

Family

ID=38267619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07104663A Ceased EP1852384B1 (fr) 2006-05-04 2007-03-22 Colonne élévatrice téléscopique

Country Status (4)

Country Link
US (1) US7770868B2 (fr)
EP (1) EP1852384B1 (fr)
JP (1) JP5069039B2 (fr)
AT (1) AT503281B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018127389B3 (de) 2018-11-02 2019-12-19 HAWE Altenstadt Holding GmbH Hydraulische Hubsäule

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
US8033778B2 (en) 2007-02-01 2011-10-11 Daifuku Co., Ltd. Elevating conveyance device
US20100193046A1 (en) * 2007-08-10 2010-08-05 Bryant Matthew Moroder Rain water diverter
JP2009119506A (ja) 2007-11-16 2009-06-04 Murata Mach Ltd パンチプレス
US8215241B2 (en) * 2010-02-25 2012-07-10 Msb Design Vertical linear actuator mechanism
US8920145B2 (en) 2010-11-29 2014-12-30 Gta Innovation, Llc Synchronized hydraulic power module
CN103939424A (zh) * 2014-04-11 2014-07-23 太仓万冠涂装设备有限公司 一种滚涂装置的驱动结构
CN103950024A (zh) * 2014-05-13 2014-07-30 李培培 一种双面固定式支撑座
DE112015003184B4 (de) * 2014-07-09 2024-09-26 Smc Corporation Zylinderführungsmechanismus und Zylinder mit Führungsmechanismus
US10718359B2 (en) * 2015-08-21 2020-07-21 Quality Manufacturing Inc. Devices and systems for producing rotational actuation
CZ306806B6 (cs) * 2016-09-20 2017-07-12 BORCAD Medical a.s. Zdravotnický prostředek s teleskopickým podpěrným sloupem
US10858054B2 (en) * 2018-01-31 2020-12-08 Honda Motor Co., Ltd. Multi-stage shift pack assembly and method
CN109484983B (zh) * 2018-12-31 2024-01-16 富阳通力机械制造有限公司 一种增高防下陷型卧式千斤顶
US12091266B2 (en) * 2019-07-04 2024-09-17 Swisslog Ag Device for handling pallets
CN113915477A (zh) * 2021-11-03 2022-01-11 苏州市科强机电科技有限公司 一种电气自动化设备用工业支架及使用方法
CN116658770B (zh) * 2023-07-28 2023-12-01 华电福新周宁抽水蓄能有限公司 一种光纤通信箱安装架

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WO1994005583A1 (fr) * 1992-08-31 1994-03-17 Captine Pty. Ltd. Ensemble a plusieurs cylindres et systeme d'entrainement a recuperation pour un ascenseur hydraulique
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018127389B3 (de) 2018-11-02 2019-12-19 HAWE Altenstadt Holding GmbH Hydraulische Hubsäule
EP3646841A1 (fr) 2018-11-02 2020-05-06 HAWE Altenstadt Holding GmbH Colonne élévatrice hydraulique
US10895273B2 (en) 2018-11-02 2021-01-19 HAWE Altenstadt Holding GmbH Hydraulic lifting column

Also Published As

Publication number Publication date
AT503281A4 (de) 2007-09-15
JP2007298168A (ja) 2007-11-15
AT503281B1 (de) 2007-09-15
US20070256555A1 (en) 2007-11-08
JP5069039B2 (ja) 2012-11-07
EP1852384A1 (fr) 2007-11-07
US7770868B2 (en) 2010-08-10

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