EP1475493A2 - Ajustement en hauteur de plateau de podium - Google Patents

Ajustement en hauteur de plateau de podium Download PDF

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Publication number
EP1475493A2
EP1475493A2 EP04010896A EP04010896A EP1475493A2 EP 1475493 A2 EP1475493 A2 EP 1475493A2 EP 04010896 A EP04010896 A EP 04010896A EP 04010896 A EP04010896 A EP 04010896A EP 1475493 A2 EP1475493 A2 EP 1475493A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
column
drive
cylinders
platform plate
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
Application number
EP04010896A
Other languages
German (de)
English (en)
Other versions
EP1475493B1 (fr
EP1475493A3 (fr
Inventor
Wolfgang Maier
Stefan Hartlieb
Christian Würschinger
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.)
Waagner Biro AG
Waagner-Biro Bavaria Stage Systems GmbH
Original Assignee
Waagner Biro AG
Waagner-Biro Bavaria Stage Systems 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 Waagner Biro AG, Waagner-Biro Bavaria Stage Systems GmbH filed Critical Waagner Biro AG
Publication of EP1475493A2 publication Critical patent/EP1475493A2/fr
Publication of EP1475493A3 publication Critical patent/EP1475493A3/fr
Application granted granted Critical
Publication of EP1475493B1 publication Critical patent/EP1475493B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
    • E04H3/24—Constructional features of stages

Definitions

  • the invention relates to a device for height adjustment, with the help a platform plate is continuously adjusted to the desired usable height can be.
  • Pedestals are used for concerts, plays or other cultural or even Sports events used to form a raised stage. Such The stage can be used to get a better view of the protagonists enable them, such as an artist or a group of actors can also be used as an elevated and delimited audience space. Platforms often have a height adjustment to suit their purpose and variably adapt it to local conditions.
  • Hydraulics are used as drives for such a height adjustment with scissors construction and motors known to act on a push rod. Also can for smaller and lighter constructions, height adjustment by hand with or without the support of a force-reducing mechanism become.
  • a self-rotation of such platforms based on scissors construction is excluded, since the platform plate is not in principle compared to the frame is rotatable.
  • a self-rotation is also in a fixed Stage field, but also with two that abut one another without gaps Pedestal plates and the same height adjustment between each other avoided without further facilities.
  • the scissor-like height adjustments mentioned can be stepless and set via a drive.
  • They have the disadvantage that the stroke Force is introduced irregularly, since the required lifting force from the Inclination angle of the scissor-like metal arms depends.
  • the Power of a motor for driving the height adjustment must naturally be and will be dimensioned according to the lifting force required in the tip therefore only used over a small part of the entire stroke distance. Consequently powerful and expensive motors are used without the high Performance could be used to advantage, such as through a higher additional load.
  • the object of the invention is therefore to adjust the height of a platform plate indicate which avoids the disadvantages listed and which therefore a uniform power distribution and thus even lifting capacity at high Reliability and longevity guaranteed.
  • the invention solves this problem by the principle of the scissors construction with the scissor arms exposed to an uneven application of force Principle of a telescopic guide or load bearing is replaced.
  • Elements of a Guide or support column are telescopically arranged and through each other an intervention connected, which is locked in the desired export height.
  • the engagement is as a pair of power transmission element inclined to the horizontal and suitable guide groove, so the force can are applied horizontally and is then engaged in stroke implemented.
  • the solution according to the invention is based on these principles in detail by the characteristic features of the main claim and their extensions specified in the subclaims.
  • One is telescopic extendable support and / or guide column provided, the locking device is assigned for locking in an extended position.
  • the lifting force for extending the column is advantageously at least partially provided by an electric drive to the platform height without Adjust effort and even remotely.
  • the lifting force will preferably via push chains, pneumatics, hydraulics or air bellows applied.
  • the lifting force can expediently can also be applied at least partially by hand. In order to you can make yourself independent of the electrical connection and the Set the desired height yourself by eye.
  • the locking device on the one end of the column detached and then detaches when telescoping successively automatically. Then only the uppermost part is needed when entering the locking device to be unlocked manually or electrically, and all other locking devices are released by an integrated Mechanism when lowering, for example by automatically taking effect Hoes, bolts or similar devices.
  • the platform plate is against Secure rotation and the support / guide column also as a lifting column formed a first cylinder that at least with the platform plate indirectly rotatably connected, a second cylinder with the first Cylinder of different diameters, at least indirectly with a base plate is connected by means of a rotatable bearing, and a torque transmission device has, by means of which the second cylinder with the help of a drive absorb a torque and thus in a rotary motion can be moved.
  • the second cylinder has a force transmission element on the circumference, in particular a sliding block, and the first cylinder one against the horizontal inclined guide groove, in which the power transmission element engages, and the two cylinders are set one inside the other so that they are concentric with the common axis of symmetry and against each other by the intervention of Power transmission element are supported in the guide groove.
  • the second cylinder rotates and forces over it Power transmission element and the guide groove the first cylinder and thus depending on the direction of rotation, the platform plate can be stepped up or down.
  • the second cylinder can at least indirectly rotate with the Base plate connected and the first cylinder at least indirectly with a rotatable bearing connected to the platform plate, by means of which the first Take up a torque with the help of a drive and thus into a Rotational movement can be offset.
  • At least one further is concentric with the common axis of symmetry of the first and second cylinders Cylinder provided, the smallest and largest diameter cylinders form the first or second cylinder. Every cylinder is in the cylinder arranged next larger diameter, and the cylinders each have Power transmission elements and guide grooves inclined against the horizontal on, such that a power transmission element in each case in the associated Guide groove of an adjacent cylinder engages.
  • the individual cylinder can be a small one Have height without limiting the maximum adjustment height.
  • the Device are made so that they are in principle in the retracted state is arbitrarily low, and the dead weight of each individual cylinder can be low stay.
  • the largest cylinder with the platform plate and the smallest cylinder connected to the bottom plate is the largest cylinder with the platform plate and the smallest cylinder connected to the bottom plate.
  • connection with the Base plate non-rotatable and the connection with the platform plate the rotatable Storage In the same way, the connection with the Base plate non-rotatable and the connection with the platform plate the rotatable Storage.
  • the drive advantageously transmits the torque from a rotary drive source via a chain, a belt or a gear mechanism on the Torque transmission device. This allows the drive source to be spatially be separated from the lifting column.
  • the drive source for the rotational force can expediently be a motor have in order to comfortably apply the lifting capacity on the one hand and to offer others an easy control option for remote control.
  • the possibility of manual operation is also expedient here provided, for example with the help of a hand crank, its operation is preferably supported by a reduction.
  • the cylinders are preferably made of steel, brass or aluminum manufactured, and the power transmission elements preferably consist of one Material that is one in relation to the selected material of the cylinder has low sliding friction coefficients, such as brass, bronze, steel or Plastic.
  • a low sliding friction also has an advantageous effect on the necessary drive power as well as the wear of the load-bearing parts from, so the power transmission elements and the guide grooves. For this you can also provide roles as power transmission elements.
  • a particularly good power transmission can be achieved by the angle of inclination the or each guide groove against the horizontal is less than 45 ° and in particular is between 10 ° and 35 °.
  • the power path is longer than the load path, which results in a lower power requirement impacts the drive, especially with a factor that is less combines the necessary performance with a still rapid stroke transmission.
  • This advantageously has or have the force transmission elements
  • Such a variety of sliding blocks ensures for low sliding friction with the advantages already mentioned.
  • one or more additional lifting columns provided already connecting the first and at least one further lifting column with the platform plate prevents their own rotation.
  • a larger platform plate is used and a platform is also insulated and can be used without any further protection against self-rotation.
  • the lifting columns are advantageously with the help of an individual Drive driven. This saves space, weight and costs.
  • a special embodiment of the invention provides a height adjustment two or more lifting columns connected to the platform in a rotationally fixed manner, whose guide grooves have the same angle of inclination and their Torque transmission devices over two or more with a single Drive connected chains can be operated. This guarantees a synchronous Change in height of the two or more lifting columns that way automatically hold the platform plate level and secure it against self-rotation.
  • the last-mentioned embodiment is particularly suitable for a platform surface of a few square meters, as is often used, and offers in addition to a compact structure, a balanced weight and cost-saving height adjustment.
  • a joint is preferred in the connection between the platform plate and the provided the top of each column to incline the pedestal. In order to Not only can flat, but also sloping stage parts be built.
  • the vertical projection of the platform plate preferably encloses the device complete, such that a variety of pedestal plates and associated Devices a larger platform area in modular construction without gaps covers.
  • the device thus particularly meets the requirements of one frequent use for larger stages and fixed installations.
  • the solution according to the invention thus ensures an even distribution of force on a variety of elements of the telescopic pillars. Thereby she uses the available engine power optimally and also avoids increased wear of particularly stressed parts. This secures the Longevity and is particularly easy to maintain.
  • the device for height adjustment according to the invention can also be any Use the engine's full power reserves as a buoyancy reserve to avoid additional loads to raise. After all, it does not allow any possible interference with exposed ones Parts of the height adjustment, as in the aforementioned scissor construction, and reliably excludes corresponding security risks.
  • Fig. 1 is the front view of an assembled with a pedestal plate 10 according to the invention Height adjustment with a column 30 as a support / guide column also serves as a lifting column, in the maximum extended state shown.
  • the column 30 has a lowermost cylinder 31, eight middle ones Cylinder 32 and an uppermost cylinder 33.
  • the cylinders have power transmission elements 34 and guide grooves 35, which are discussed in more detail below becomes.
  • the uppermost cylinder 33 is firmly connected to the platform plate 10 by a Cover welded to the cylinder 33 and this screwed to the pedestal plate 10 is.
  • the bottom cylinder 31 is through with a drive wheel 42 Welding firmly connected, which in turn rests on a rotatable bearing 22, which consists of a greased plain bearing on a brass sheet.
  • This Storage 22 is attached to a base plate 20.
  • a drive chain 43 transmits the rotary movement of the work wheel 41 of a drive motor 40 the drive wheel 42.
  • the bottom cylinder 31 is in an octagonal Storage cassette 21 arranged.
  • the cylinders 31, 32, 33 are concentric with their common axis of symmetry nested so that each cylinder within the next larger cylinder Diameter is arranged.
  • the lifting column is extended, and thus only the lower edge area of each cylinder 32, 33 overlaps except the bottom cylinder 31, with the upper edge area of the Cylinder 31, 32 next larger diameter.
  • the cylinders 31, 32, 33 into each other, so that the height of the column only from the cylinder with the greatest height is determined.
  • Fig. 3 illustrates in perspective how the power transmission elements 34 and the Guide grooves 35 of the lowest three cylinders 31, 32 engage in one another.
  • the lowest cylinder 31 is, as shown in the elevation in Fig. 4a, in total four places with power transmission elements 34, each of four to an inclined line arranged holes with one inserted inside each Consist of a sliding block.
  • Fig. 4c shows the elevation of the top cylinder 33, the is provided in four places with guide grooves 35, the inclination corresponds exactly to that of the line in which the sliding blocks of the power transmission elements 34 are arranged.
  • the middle cylinders 32 now show how can be seen in Fig. 4b, both power transmission elements 34 and Guide grooves 35, which are otherwise exactly the same as those of the top Cylinder 33 or lowest cylinder 31 are constructed. In practice it is enough usually three places for the power transmission elements, distributed over the Scope, but more digits can be used if necessary.
  • Fig. 5 the bottom plate 20 is shown in plan view.
  • the bottom one Cylinder 31 is covered with the storage cassette 21 on the outside.
  • the Drive chain 43 is from chain guides 44 to the work wheel 41 of the engine 40 led. Since the drive wheel 42 is firmly connected to the lowermost cylinder 31 is, the actuation of the motor 40 moves the lowermost cylinder 31 into one rectified rotational movement.
  • the cylinders 32, 33 rest within the lowest cylinder 31 (Fig. 2). If the drive motor 40 is now actuated, so the bottom cylinder 31 would like to rotate and presses the power transmission element 34 of the bottom cylinder 31 with a horizontal force against the walls of the guide groove 35 of the next smaller middle Cylinder 32. This can not directly into a horizontal force Implement rotary motion because it itself through its power transmission elements 34 in the guide grooves of the next smaller middle cylinder 32 is held.
  • the force is analogous to the inner cylinder 32 and finally transferred to the innermost, uppermost cylinder 33. But also the top one Cylinder 33 cannot rotate without counterforce because it is firmly attached to the Pedestal plate 10 is connected, which is secured against self-rotation (for Example by resting on another platform plate; securing against Self-rotation is not shown).
  • This counterforce is made up of the frictional forces of the power transmission elements in the guide grooves and the weight of internal cylinders. Only when the driving force exceeds the counterforce on one of the Interventions between power transmission element 34 and guide groove 35 occurs the driving force forces the relevant power transmission element 34 to one Movement in the guide groove 35.
  • the screw-like stroke movement described can initially only be so continue for a long time until the power transmission element 34 reaches the end of the guide groove 35 reached. Then the lifting movement follows a completely analogous mechanism by moving another power transmission element 34 a another cylinder continued in the guide groove 35 of another cylinder.
  • the uppermost cylinder 33 is preferred first, followed by the others in FIG the order of increasing diameter are forced up because they experience the least counteracting weight. Just like that the screwing movement will be continued until it stops another engagement between the power transmission element 34 and Guide groove 35 is added because the sliding friction of the once used movement is smaller than the static friction of the stationary cylinder.
  • the platform 10 is steplessly upwards driven and can be in any intermediate position by interrupting the drive and thus remain stable in the rotation.
  • Fig. 6 shows a further embodiment of a height adjustment according to the Invention. This embodiment differs from the first one second column 130 as a lifting column and an extension of the drive mechanism, around the second column 130 as a lifting column by the drive motor 40 head for.
  • the two columns 30, 130 are fixed to the platform plate and to the base plate 20 each have a first and a second drive wheel 42, 142 of the same scope connected by means of a first and a second bearing 22, 122.
  • the each lowermost cylinder 31, 131 is by a first and a second storage cassette 21, 121 clad to the outside.
  • Structure and function of columns 30, 130 are otherwise identical to the first embodiment described above, where all angles of inclination are expediently the same, which the power transmission elements 34 and the guide grooves 35 each with include the horizontal.
  • the drive mechanism is illustrated in FIG.
  • the drive motor 40 drives a first and a second work wheel 41, 141 of the same size.
  • a first drive chain 43 transmits via a deflection wheel 45 and through Chain guides 44 rotate on the first drive wheel 42.
  • a second drive chain 143 transmits via a deflection wheel 145 and through Chain guides 144 with the rotational movement on a second drive wheel 142 same extent as the drive wheel 42. Since the work wheels 41, 141 and Drive wheels 42, 142 each have the same circumference, they rotate given motor feed by the same angle.
  • the operation of the height adjustment according to the second embodiment Otherwise does not differ any further from that of the first Embodiment.
  • the chain construction that drives a single one
  • several motors can be transferred to both lifting columns synchronized motors are used.
  • An analog can also Height adjustment can be built up from more than two lifting columns by one corresponding number of chains are driven.
  • FIGS. 8a to 8f show variants of embodiments which differ from one separate lifting device 40a extended and retracted between the Pedestal plate 10 and the base plate 20 is arranged.
  • the as support or Guide pillars 30 are prisms and are used for guidance the lifting movement or carry after locking the between the column elements attached locking devices the platform plate in one extended state.
  • FIGs 8a and 8b two such columns 30 are square Cross section provided.
  • Figures 8c and 8d show a similar one Embodiment with two columns of rectangular cross section, while in 8e and 8f, a single column 30 is provided, which is shown can expediently have a rectangular cross section and in which the Lifting device 40a is provided in its interior.
  • the invention solves the problem described by the load evenly distributed over the large number of column elements and thus one reliable and low maintenance, consequently also more durable function of the Height adjustment secures.
  • the force introduced is almost uniform in Lifting height implemented, and the dimensioning of a drive motor must be do not align to peak loads. Every power reserve of the engine can can be fully used as a buoyancy reserve for additional loads.
  • Finally prevents the invention by the moving parts of the device for Height adjustment are not made penetrable from the outset, effective malfunctions or even injuries caused by penetrating into the device Foreign body.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Multimedia (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Legs For Furniture In General (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Types And Forms Of Lifts (AREA)
EP04010896A 2003-05-06 2004-05-06 Ajustement en hauteur de plateau de podium Expired - Lifetime EP1475493B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10320123A DE10320123A1 (de) 2003-05-06 2003-05-06 Höhenverstellung einer Podestplatte
DE10320123 2003-05-06

Publications (3)

Publication Number Publication Date
EP1475493A2 true EP1475493A2 (fr) 2004-11-10
EP1475493A3 EP1475493A3 (fr) 2005-02-09
EP1475493B1 EP1475493B1 (fr) 2007-08-01

Family

ID=32981234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04010896A Expired - Lifetime EP1475493B1 (fr) 2003-05-06 2004-05-06 Ajustement en hauteur de plateau de podium

Country Status (4)

Country Link
EP (1) EP1475493B1 (fr)
AT (1) ATE368780T1 (fr)
DE (2) DE10320123A1 (fr)
ES (1) ES2291770T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459163A (en) * 2008-04-19 2009-10-21 Henry Brewis Underground storage system
NL2004023C2 (nl) * 2009-12-28 2011-06-29 Jb Beheer B V Podium en samenstel omvattende een podium.
CN103276919A (zh) * 2013-04-28 2013-09-04 浙江大丰实业有限公司 多功能动态圆形舞台装置
CN103410349A (zh) * 2013-05-03 2013-11-27 浙江大丰实业有限公司 多功能动态圆形舞台的设计方法
CN112551417A (zh) * 2020-12-18 2021-03-26 王文龙 一种攀爬负重一体机构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216121B (zh) * 2013-04-28 2015-01-21 浙江大丰实业股份有限公司 环型多功能立体舞台装置
CN107829583B (zh) * 2017-09-29 2019-07-09 广东华影科技有限公司 一种方便搭建的舞台及施工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918225A (en) * 1973-06-22 1975-11-11 Jules Fisher Modular floor system
US4600085A (en) * 1984-11-19 1986-07-15 Pierre Gagnon Platform lift
WO2000004236A1 (fr) * 1998-07-15 2000-01-27 Derek William Rea Structure de quai de gare
US6082051A (en) * 1998-07-23 2000-07-04 Sico Incorporated Folding stage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1876198U (de) * 1962-09-07 1963-07-25 Emmerlich & Schneider K G Hebebuehne, insbesondere fuer theater.
DE7825360U1 (de) * 1978-08-24 1978-12-14 Smolka, Kurt, Ing.(Grad.), 1000 Berlin Hoehenverstellbarer aufbauboden
DE19819103C2 (de) * 1998-04-29 2002-02-21 Landeshauptstadt Magdeburg Der Höhenverstellbarer Podestfuß zur Aufnahme von Podestplatten, Podestrahmen und Podestzargen für Podeste auf Bühnen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918225A (en) * 1973-06-22 1975-11-11 Jules Fisher Modular floor system
US4600085A (en) * 1984-11-19 1986-07-15 Pierre Gagnon Platform lift
WO2000004236A1 (fr) * 1998-07-15 2000-01-27 Derek William Rea Structure de quai de gare
US6082051A (en) * 1998-07-23 2000-07-04 Sico Incorporated Folding stage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459163A (en) * 2008-04-19 2009-10-21 Henry Brewis Underground storage system
NL2004023C2 (nl) * 2009-12-28 2011-06-29 Jb Beheer B V Podium en samenstel omvattende een podium.
CN103276919A (zh) * 2013-04-28 2013-09-04 浙江大丰实业有限公司 多功能动态圆形舞台装置
CN103410349A (zh) * 2013-05-03 2013-11-27 浙江大丰实业有限公司 多功能动态圆形舞台的设计方法
CN112551417A (zh) * 2020-12-18 2021-03-26 王文龙 一种攀爬负重一体机构

Also Published As

Publication number Publication date
DE502004004484D1 (de) 2007-09-13
EP1475493B1 (fr) 2007-08-01
ES2291770T3 (es) 2008-03-01
ATE368780T1 (de) 2007-08-15
DE10320123A1 (de) 2004-12-02
EP1475493A3 (fr) 2005-02-09

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