EP0945399A2 - Mobile Drei-Fahrzeug-Arbeitsbühne - Google Patents
Mobile Drei-Fahrzeug-Arbeitsbühne Download PDFInfo
- Publication number
- EP0945399A2 EP0945399A2 EP99105805A EP99105805A EP0945399A2 EP 0945399 A2 EP0945399 A2 EP 0945399A2 EP 99105805 A EP99105805 A EP 99105805A EP 99105805 A EP99105805 A EP 99105805A EP 0945399 A2 EP0945399 A2 EP 0945399A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- relief
- chassis
- stage
- vehicle
- tool according
- 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
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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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
Definitions
- a mobile work device of the type mentioned is out the DE brochure from Teupen GmbH: Spider ST 15, p. 1 to 4, Stand 02/96, known that from a chassis and an arm boom arranged on the chassis. There are four adjustable support legs on the corners of the chassis arranged.
- the chassis is a three-wheel chassis educated.
- the implement is only 94 cm wide, 1.98 m high and 4.99 m long. When extended, the Arm arm a height of 15 m.
- DE 90 14 713 U1 and EP 07 32 300 A3 is a mobile device Known implement that has a chassis, with wheels on both sides. At the corners the chassis are also articulated supports by controllable adjustment devices are adjustable. That with The chassis equipped with two wheels is for one Transport attached to a suitable transport vehicle.
- a mobile working device is known from US 28 64 625, in which to relieve the wheel load on a work platform vehicle, which carries an arm extension, three swiveling ones Support legs are arranged with a wheel.
- the support legs can be swiveled with hydraulic cylinders.
- the work platform vehicle is rigid with a towing vehicle coupled and pivotable via another hydraulic cylinder connected. With the help of control valves individual hydraulic cylinders are adjusted so that all seven wheels take on essentially the same load becomes.
- the disadvantage is that this even load distribution only in Working state is attainable. So that the vehicle with the work platform vehicle arranged behind him on the The three support legs must be able to move on the road be pivoted in with the wheels arranged thereon.
- the towing vehicle has the support legs swung in Transport condition such dimensions that it is not for work in representative buildings and churches is suitable.
- the advantages achieved with the invention are in particular in that the aerial platform and the relief vehicle form a unit.
- transfer its movement elements an essentially equal force the floor.
- the Bridge coupling unit ensures that the working platform and the relief vehicle with the arm arm on top can be driven in curves without falling over.
- the relief vehicle with the arm extension extended can be used as a counterweight.
- the bridge coupling unit can have a chassis bearing, through the the stage chassis and the relief chassis are articulated together.
- the bridge coupling unit can also use a steering hydraulic cylinder with which the stage chassis and Relief chassis can be pivoted in the chassis warehouse are that the stage and relief moving elements are movable on a common steering radius.
- the bridge coupling unit can be a constant motion loading device through which the stage chassis and the relief chassis frictionally with each other are connected. Both chassis are so together coupled together that they are like a single chassis behavior.
- a first relief chassis first relief vehicle and on the other opposite Side a second relief chassis second relief vehicle may be arranged.
- a first relief chassis first relief vehicle and on the other opposite Side a second relief chassis second relief vehicle may be arranged.
- the second constant motion load device can have a chassis bearing that the stage chassis and the second relief chassis articulated connects with each other. Together with the chassis bearing thus the second relief vehicle compared to the work platform vehicle essentially only pivotable in two planes. Swivels in the third level increase Load the elasticity of the individual parts of the second relief vehicle.
- the first constant motion loading unit can be a biased one Spring unit or controllable adjustment device be trained. Together with the chassis bearing is so the first relief vehicle can be pivoted three-dimensionally. The units ensure that the relief movement elements essentially always the same load going out.
- the controllable device can be used as a controllable fluid motor, Linear motor or a controllable floor relief hydraulic cylinder unit be trained. This is used together with the chassis bearing ensured that the relief vehicle three-dimensional with constant floor load all movement elements of the three-vehicle working platform can pivot. The control can be done by hand become. Such control is particular then applied when the floor relief is even and straight Inclines, so that all movement elements the three vehicles have the same forces.
- the floor relief hydraulic cylinder unit can also be one Have hydraulic cylinders.
- This hydraulic cylinder can consist of a cylinder hollow body, which in a on the relief chassis arranged relief pivot bearing of Chassis lift pivot bearing and the at least partially is filled with a hydraulic fluid.
- the hydraulic cylinder also consists of a piston element with a piston arm that is movable in the hollow cylinder body could be.
- the piston arm can be in a on the stage chassis arranged work pivot bearing.
- a hydraulic line goes out of the hollow cylinder body in front of the upper one End position of the piston element and goes into it back into the lower end position of the piston element.
- a hydraulic control valve can be arranged in the hydraulic line be.
- a sensor element can be provided assigned to one of the relief movement elements and with the hydraulic control valve can be connected.
- a control unit can be provided for the control, on which the sensor element is arranged and which with the Hydraulic control valve can be connected.
- Such a control unit can be a computer unit electrical control circuit, a hydraulic control circuit and / or a pneumatic control circuit. Which Embodiment of the control unit chosen depends on the specific conditions of use.
- a computing unit allows a very in relation to the cost extensive and convenient control with many control options build up. Because a hydraulic cylinder too control, there is an intelligent hydraulic Control circuit on.
- the hydraulic control circuit is just like the pneumatic control circuit robust and can exposed to such high thermal and mechanical loads become.
- the control unit can also be one with a pneumatic one Control circuit cooperating computer unit be.
- the sensor element can be a pressure, force, displacement or be the same sensor. This makes it possible for yourself changing wheel load immediately and with the changed Signal from the control unit to the hydraulic cylinder adjust accordingly.
- the stage and relief moving elements can be chassis and relief wheel units or chain units be. Other movement elements can also be used. With the use of wheel units, the movement elements used as they are particularly on the towing vehicles and usually on the chassis of the work equipment available.
- the aerial platform and the two relief vehicles can be designed as trailer vehicles.
- To one of the A trailer towing device is attached to relief vehicles.
- the steering hydraulic cylinders are controlled so that a predetermined steering curve is observed becomes.
- the chassis and unloading wheel units can be used as one and / or Multi-axle chassis be formed.
- the number of the selected axles, especially for the relief vehicles contributes significantly to the equalization of the wheel loads at.
- the work platform, the first and / or the second relief vehicle can be designed as a drive vehicle be.
- a self-propelled implement is available That move on even without a towing vehicle leaves.
- Figures 1 to 3 is a mobile three-vehicle work platform shown. It consists of a work platform vehicle 1, a relief vehicle 3 and a relief vehicle 5. The relief vehicles 3, 5 are with the work platform vehicle 1 connected.
- the work platform vehicle 1 essentially provides one Mobile telescopic work platform, which is a stage chassis 11, which has a wheel unit 12 on both sides is equipped.
- the wheel units 12 are single-axle chassis educated. Two opposite wheels the wheel units 12 have tires with a diameter of 450 mm and a width of 230 mm.
- On the stage chassis 11 are four hydraulically opposite each other controllable support legs 16 arranged (see. Fig. 3). Each Support leg 16 carries at its end a support plate 17 and is in a support bearing 18 on a platform 110 of the Stage chassis 11 attached.
- a turntable 14 is on the stage chassis 11 Arm boom 13 arranged by means of a hydraulic Piston-cylinder arrangement 15 is adjustable in height.
- the arm arm 13 is designed as a telescopic arm on which a Work basket (not shown) is located.
- the relief chassis 31 with the relief wheel unit 32 is three-dimensional with the stage chassis 1 adjustable chassis pivot bearing 33 connected.
- an asymmetrically mounted steering hydraulic cylinder arrangement 39 is the relief chassis 31 in the chassis pivot bearing 33 compared to the stage chassis 11 in a steering movement L1 pivotable.
- the relief chassis 31 and the stage chassis 11 are opposite the chassis pivot bearing 33 by a Ground relief hydraulic cylinder unit 35 connected. It includes (see FIG. 5) a hydraulic cylinder 35.1, which is a control unit 36 is assigned.
- the piston-cylinder arrangement 35.1, 35.2 is on both of them Ends stored in a chassis lift bearing 34, the two Has bearing points, namely a relief pivot bearing 34.1 and a working rotary bearing 34.2.
- the cylinder is 35.6 the piston-cylinder arrangement 35 in the working rotary bearing 34.2 of the chassis pivot bearing 34 is pivotally mounted.
- the Working pivot bearing 34.2 is located on the stage chassis 11 the stage vehicle 1 below the platform.
- a piston 35.9 is movably arranged, on which a piston rod 35.2 is attached.
- the end of Piston rod 35.2 is in the relief pivot bearing 34.1 articulated.
- the relief pivot bearing 34.1 is located on the relief chassis 31 of the relief vehicle 3.
- the piston 35.9 moves in the cylinder 35.6, as shown in FIG. 5, from one upper terminal Ko to a lower terminal Ku and back.
- At the upper end point Ko there is a hydraulic line 35.4 from which at the lower terminal Ku back in the cylinder 35.6 opens.
- a hydraulic control valve 35.5 is arranged in the hydraulic line 35.4 .
- the cylinder 35.6 is filled with a hydraulic fluid 35.3, the according to the movements from the top to the bottom End point and vice versa through the hydraulic line and through the hydraulic control valve 35.5 is pressed.
- Over a Control line 35.7 is the hydraulic control valve with a Control unit 36 connected.
- the control unit 36 includes a programmable microcomputer, especially one One chip calculator.
- the control unit 36 is connected via a sensor line 35.8 connected to a sensor element 37.
- the sensor element 37 can be designed as a force and / or pressure sensor.
- sensor element 37 is in the relief wheel unit 32 arranged, preferably in the Axis. It can also be located at other locations on the relief wheel unit 32, e.g. with a double-axle chassis in one Axle bearing 40, or be arranged on a wheel axle 41.
- the Sensor element 37 can also be in the area of the chassis pivot bearing 33 arranged and there as an angle or pressure sensor be trained.
- the sensor element 37 continuously monitors the position of the relief wheel unit 32 regarding the applied wheel load, changed Angle of attack and the like, used as status signals Z entered and processed in the control unit 36 become.
- the state signals Z can be a normal state signal be compared.
- the control unit 36 forms a control signal S in the event of deviations and controls the hydraulic control valve 35.5.
- the control of the hydraulic control valve causes an enlargement or reducing the cross-section for the one to be flowed through Hydraulic fluid 35.3. If the cross section decreases, the flow of hydraulic fluid becomes an effective one Resistance opposed to the possibility of movement of the Piston element 35.9 inhibits or restricts. Will the cross section in the hydraulic control valve 35.5, however, enlarged, the hydraulic fluid becomes little or no resistance opposed to what is easier mobility of the piston element in the hollow cylinder body 35.6 noticeable makes.
- the second relief vehicle 5 has a relief chassis 51 arranged on the relief wheel units 52 are.
- the chassis 51 is, as shown in FIGS. 1 and 3, with a chassis bearing 53 connected. Is axially asymmetrical also here a steering hydraulic cylinder 59 between the stage chassis 11 and the relief chassis 51 are arranged and enables a steering movement L2. As in particular Fig. 3 shows, the steering hydraulic cylinder 39 and the Steering hydraulic cylinder 59 diagonally opposite.
- the relief chassis 51 is, as in particular FIG. 1 shows, also trapezoidal in cross section.
- On one leg of the A is the relief wheel unit already mentioned 52 arranged. You are opposite the chassis bearing 53, also mentioned above.
- One embodiment is a controllable floor relief hydraulic cylinder unit. It is similar to that Ground relief hydraulic cylinder unit 35 and enables a stroke movement H2 similar to the stroke movement H1.
- An associated hydraulic control valve can either from the control unit 36 or a separate control unit, that cooperates with the control unit 36 become. In this case it is in the unloading wheel unit 52 a corresponding sensor element is arranged.
- a second embodiment which is shown graphically in FIG. 1 has a chassis bearing 54. It's up to it Chassis bearing 53 opposite and connects as a second joint the relief chassis 51 with the stage chassis 11. Both joints 53, 54 together allow a two-dimensional Swiveling the relief chassis 51 opposite the stage chassis 11.
- the two diametrically opposed steering hydraulic cylinders 39, 59 ensure that the relief chassis 31, the stage chassis 11 behind it and that behind the Stage chassis 11 lying relief chassis 51, such as shown in Fig. 3, on a common steering circle 73 can move. This ensures that the wheel units of all three chassis 11, 31, 51 in one lane run and the outer edges of all three chassis 11, 31, 51 on vertically pointing upwards from the ground Move obstacles equally far away.
- the relief vehicle 3 is on Towing vehicle using a towing device (not shown) attached.
- the arm arm 13 lies in that in FIG. 1 shown position in relation to the work platform vehicle lying in the middle 1 and protrudes up to or over the relief vehicle 5 beyond.
- L1 and L2 designated steering movements performed.
- FIG. 3 shows a left turn shown in the top view
- the steering hydraulic cylinder 39 extends.
- a corresponding one Deflection signal is diagonally opposite Hydraulic steering cylinder 59 transmitted and causes the Piston rod of the steering hydraulic cylinder 59 is retracted.
- the Appropriate control of both pistons can be done by a hydraulic coupling line or through the already mentioned Control unit 36 can be realized. Become very sensitive Driving on floors is done instead of the chassis swivel bearing 54 the controllable ground relief hydraulics 55 used.
- the mobile three-vehicle work platform arrives at the workplace suspended from the towing vehicle.
- One of the three vehicles 1, 3, 5 can be used as a drive vehicle with a motor unit and be equipped with appropriate steering. With With the help of the steering unit, the two relief vehicles 3, 5 compared to the work platform vehicle 1 in the chassis pivot bearings 33, 53 pivoted.
- the total height of the mobile three-vehicle work platform will be determined by the work platform vehicle 1 in the middle. It is fixed at 1.98 m in order to the height of which is standardized to be able to drive in safely.
- the Width of the relief chassis 31, 51 is just like that Stage chassis width 94 cm wide. Around the tropic The relief chassis can keep 73 as tight as possible 31, 51 a smaller width than the stage chassis 11 have.
- the three-vehicle work platform moves from the floor level 71 to the floor elevation 72, the increases Wheel load of the relief wheel unit 32.
- the sensor element 37 detects the higher wheel load and uses it to generate the status signals Z.
- the control unit 36 asks the sensor element 37 constantly and can thus immediately respond to changes in state react.
- the control unit 36 compares the increasing ones State signals Z with the existing standard signal and controls the hydraulic control valve 35.5 so that it its cross section enlarged and the hydraulic fluid 35.5 opposes a low resistance.
- control signals S are continuously calculated, which ensure that with different soil changes the relief wheel unit 32 with the same Wheel load against the ground 7 like the other wheels units 12 and 52 supports.
- Fig. 3 Is the three-vehicle work platform designed as it is? is shown in Fig. 3 in plan view, the Wheelbase between the rear relief vehicle 5 and the work platform vehicle 1 relatively low. For this reason both vehicles 1 and 5 only need through the chassis bearings 53 and 54 are connected.
- the second relief vehicle 5 forms there statically with the work platform vehicle 1 a unit that pivots in the axes of the bearings 53 and 54 is.
- the support legs 16 When they arrive at the place of use, the support legs 16 are pivoted out. Support the support plate 7 at the end down on the floor 7. Because the support legs can be individually controlled hydraulically, for a horizontal and level adjustment of the stage chassis 3 Be taken care of. Because the relief vehicle 3 and the relief vehicle 5 rigid with the work platform vehicle 1 connected, the relief vehicles 3 and 5 helping with support during work be used. However, it is only a support for the stage chassis 1 of the stage vehicle via the support legs 16 provided, can be controlled by a corresponding Floor relief hydraulic cylinder unit 35 and - if available - The floor relief hydraulic cylinder unit 55 die rigid coupling with the stage chassis 11 of the work platform vehicle be overridden. Take over here then the support legs 16 only the weight of the entire work platform vehicle 1. Through a targeted The relief vehicles can control the units 35 and / or 55 3 and 5 also used as a counterweight become.
- the working hydraulic cylinder is used for work to be carried out 15 actuated and the arm arm 13 raised. After that the telescopic rods of the arm arm 13 are extended and the one attached to the top of the last telescopic pole Work basket pivoted to the object on which work is being carried out, e.g. Painting, restoration, carpentry and the like, are to be carried out.
- the load on the support legs 16 is burdened by the im Person in the work basket and the respective working angle enlarged within the work area.
- the arm arm 13 When the work is finished, the arm arm 13 is moved with the help the turntable is rotated again over the stage chassis, then retracted using the working hydraulic cylinder 15 and on the stage chassis 11 as shown in Fig. 1 placed. Thereafter, the floor relief hydraulic cylinder unit, if put out of operation 35 and, if available, 55 reactivated. Then the support legs 16 to the Stage chassis 11 swung in, so that they the Take position as shown in Fig. 3. Are the Support legs 16 pivoted, the entire weight of the Work platform vehicle 1, the relief vehicle 3 and of the relief vehicle 5 again equalized on the Chassis wheel units 12 and the relief wheel units 32, 52.
- the mobile three-vehicle work platform can be within of space on the floor 7 in the manner described and Be moved further, in particular the floor relief hydraulic cylinder unit (s) ensures that the Wheel loads of the wheel units 12, 32 and 52 are the same or substantially stay the same. This ensures that at the necessary work precious floors 7 not only not destroyed, but also not damaged.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
- einem Bühnenfahrgestell, an dem zu beiden Seiten Bühnenbewegungselemente und verstellbare Stützbeine angebracht sind, und
- einem Armausleger, der auf dem Bühnenfahrgestell angeordnet ist.
- Fig. 1
- eine mobile Drei-Fahrzeug-Arbeitsbühne in einer Seitenansicht,
- Fig. 2
- eine vergrößerte Teilansicht einer Drei-Fahrzeug-Arbeitsbühne gemäß Fig. 1 mit einer Bodenreliefhydraulikzylindereinheit,
- Fig. 3
- eine mobile Drei-Fahrzeug-Bühne mit abgenommenem Armausleger in einer Draufsicht,
- Fig. 4
- eine vergrößerte Teilansicht einer Drei-Fahrzeug-Bühne gemäß Fig. 3 und
- Fig. 5
- ein Blockschaltbild einer Bodenreliefhydrauliksteuereinheit gemäß Fig. 3.
Claims (17)
das Bühnenfahrgestell (11) mit wenigstens einem Entlastungsfahrgestell (31; 51) eines Entlastungsfahrzeuges (3; 5), an dem zu beiden Seiten Entlastungsbewegungselemente (32; 52) angebracht sind, durch eine Brückenkupplungseinheit (33, 34, 35, 36, 37, 38, 39; 53, 54, 55, 59) derart verbunden ist, daß das Arbeitsbühnenfahrzeug (1) und das Entlastungsfahrzeug (3; 5) wenigstens teilweise gleich von jedem der Bühnen-und Entlastungsbewegungselemente (12; 32; 52) auf einem unebenen Boden (7) abstütztbar ist.
gekennzeichnet, daß die zweite Bewegungsgleichbelastungseinrichtung ein Fahrgestellschwenkgelenk (54) aufweist, das das Bühnenfahrgestell (11) und das zweite Entlastungsfahrgestell (51) gelenkig miteinander verbindet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813278A DE19813278A1 (de) | 1998-03-26 | 1998-03-26 | Mobile Drei-Fahrzeug-Arbeitsbühne |
DE19813278 | 1998-03-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0945399A2 true EP0945399A2 (de) | 1999-09-29 |
EP0945399A3 EP0945399A3 (de) | 2002-07-10 |
EP0945399B1 EP0945399B1 (de) | 2004-05-19 |
Family
ID=7862360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99105805A Expired - Lifetime EP0945399B1 (de) | 1998-03-26 | 1999-03-23 | Mobile Drei-Fahrzeug-Arbeitsbühne |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0945399B1 (de) |
DE (2) | DE19813278A1 (de) |
DK (1) | DK0945399T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004009199U1 (de) | 2004-06-11 | 2004-09-30 | B. Teupen Maschinenbau Gmbh | Mobile Hubarbeitsbühne für Arkadengebäude |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2864625A (en) * | 1955-02-10 | 1958-12-16 | Hugh M Rush | Portable boom support attachment for vehicles |
DE1811235A1 (de) * | 1968-11-27 | 1970-06-04 | Kloeckner Humboldt Deutz Ag | Einen Kran tragendes Strassenfahrzeug |
US5366337A (en) * | 1990-03-20 | 1994-11-22 | Peter Eriksson | Articulated load carrier for vehicles |
EP0732300A2 (de) * | 1995-03-15 | 1996-09-18 | B. Teupen Maschinenbaugesellschaft mbH | Mobiles Arbeitsgerät |
-
1998
- 1998-03-26 DE DE19813278A patent/DE19813278A1/de not_active Withdrawn
-
1999
- 1999-03-23 DE DE59909501T patent/DE59909501D1/de not_active Expired - Lifetime
- 1999-03-23 DK DK99105805T patent/DK0945399T3/da active
- 1999-03-23 EP EP99105805A patent/EP0945399B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2864625A (en) * | 1955-02-10 | 1958-12-16 | Hugh M Rush | Portable boom support attachment for vehicles |
DE1811235A1 (de) * | 1968-11-27 | 1970-06-04 | Kloeckner Humboldt Deutz Ag | Einen Kran tragendes Strassenfahrzeug |
US5366337A (en) * | 1990-03-20 | 1994-11-22 | Peter Eriksson | Articulated load carrier for vehicles |
EP0732300A2 (de) * | 1995-03-15 | 1996-09-18 | B. Teupen Maschinenbaugesellschaft mbH | Mobiles Arbeitsgerät |
Also Published As
Publication number | Publication date |
---|---|
DK0945399T3 (da) | 2004-09-27 |
DE19813278A1 (de) | 1999-10-07 |
DE59909501D1 (de) | 2004-06-24 |
EP0945399A3 (de) | 2002-07-10 |
EP0945399B1 (de) | 2004-05-19 |
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