WO1999026800A1 - Dispositif de levage - Google Patents

Dispositif de levage Download PDF

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Publication number
WO1999026800A1
WO1999026800A1 PCT/EP1998/007039 EP9807039W WO9926800A1 WO 1999026800 A1 WO1999026800 A1 WO 1999026800A1 EP 9807039 W EP9807039 W EP 9807039W WO 9926800 A1 WO9926800 A1 WO 9926800A1
Authority
WO
WIPO (PCT)
Prior art keywords
lifting device
elements
drive
lifting
transmitter
Prior art date
Application number
PCT/EP1998/007039
Other languages
German (de)
English (en)
Inventor
Gerd Schulz
Jürgen Ehring
Original Assignee
It-Consulting Ag
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 It-Consulting Ag filed Critical It-Consulting Ag
Publication of WO1999026800A1 publication Critical patent/WO1999026800A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
    • B60P3/34—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles the living accommodation being expansible, collapsible or capable of rearrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
    • B60J7/16—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position non-foldable and rigid, e.g. a one-piece hard-top or a single rigid roof panel
    • B60J7/1607—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position non-foldable and rigid, e.g. a one-piece hard-top or a single rigid roof panel for covering load areas, e.g. rigid panels for pick-up truck beds
    • B60J7/1614—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position non-foldable and rigid, e.g. a one-piece hard-top or a single rigid roof panel for covering load areas, e.g. rigid panels for pick-up truck beds with a vertical lifting movement maintaining the inclination of the roof or panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00—Wagons or vans
    • B61D3/04—Wagons or vans with movable floors, e.g. rotatable or floors which can be raised or lowered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00—Wagons or vans
    • B61D3/16—Wagons or vans adapted for carrying special loads
    • B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D39/00—Wagon or like covers; Tarpaulins; Movable or foldable roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps

Definitions

  • the invention relates to a lifting device for the movement of roofs, side walls or loading platforms of vehicle bodies or transport containers, for enlarging an interior to be loaded or unloaded during the loading process, with at least two transmission mechanisms for the synchronous transmission of a movement of a central actuator to at least two lifting elements .
  • This goal can be achieved by stacking the goods as closely as possible and in particular close to the walls and roof of the vehicle body or the transport container. With this optimization, however, one again comes up against economically justified limits. If, for example, a box body of a truck is loaded with pallets and the uppermost pallets just fit under the roof, they must be placed very carefully and slowly to the centimeter by the forklift in order to avoid damage to the roof and the goods on the pallets. Similar difficulties are encountered with the arrangement of several pallets next to one another if the available width is just sufficient for this. In this case, the pallets must be placed on the side walls with centimeter accuracy. This approach is uneconomical because it costs a relatively large amount of working time and is associated with an increased probability of damage to the vehicle or the goods.
  • Lifting devices which operate hydraulically, the synchronous movement of the lifting elements being ensured by a flow divider.
  • the manufacturing and assembly costs for hydraulic master and slave cylinders and the flow divider and the effort for their maintenance are still relatively high.
  • the lifting elements are actuated by chains, which are all connected to a central mechanical actuating device and are moved synchronously by the latter.
  • the chains require deflection wheels, the manufacture, assembly and maintenance of which in turn requires considerable effort.
  • the deflection in the chains used here can only take place in one plane, so that constructions that are angled several times in different spatial directions are not possible.
  • the transmission mechanism at least one curved section with several by means of a pipe or Profile guide guided thrust elements, a mechanically coupled to the actuator encoder element and a slave element connected to a lifting element, so that a thrust force can be transmitted from the encoder element via the thrust elements to the slave element.
  • the lifting device designed according to the invention is simple in construction and requires only a relatively small amount of production and assembly work.
  • the synchronization is achieved in a simple manner by mechanically coupling the transmission mechanisms to the central actuator.
  • the transmission of the shear force through the push elements securely guided in the guide has the advantage, in addition to the simple design, that the guide can be bent in any spatial directions to be combined with one another.
  • the transmission mechanism according to the invention is practically maintenance-free and also has a high level of operational reliability. Disorders such as Leakage of a hydraulic embodiment or the break of a drive chain cannot occur here due to the design.
  • the lifting device designed according to the invention simplifies and accelerates the loading process by enlarging the interior of the vehicle body or the transport container for the duration of the loading process and thus creating sufficient freedom of movement for placing the goods.
  • the through-loading height can be increased by lifting the roof or the accessibility of the loading area can be improved by moving the side walls. After the Loading is complete, the roof is lowered again or the side walls are returned to their original position, in which the permissible external dimensions are not exceeded.
  • the thrust elements are designed as balls, preferably as steel balls.
  • Such balls are simple and inexpensive to obtain and are well suited for the transmission of shear forces in a curved tube.
  • the thrust elements are designed as balls, preferably as steel balls.
  • Such balls are simple and inexpensive to obtain and are well suited for the transmission of shear forces in a curved tube.
  • Thrust elements can also be designed in the form of cigars or lenses.
  • the movable side walls or roofs not only be printed outwards by the lifting device, but can also be pulled inwards in order to ensure that the vehicle body or the transport container is closed securely and securely.
  • the roof it is not sufficient for the roof to be lowered only by its own weight after lifting, since the air vortices that occur during the journey are quite capable of lifting the roof against gravity.
  • the thrust elements are perforated and drawn onto a wire or a wire rope which is connected at one end to the transmitter element and at the other end to the slave element, so that a tensile force can be transmitted from the transmitter element to the slave element.
  • the resilience of the transmission mechanism can be increased by the fact that the thrust elements alternately arranged balls and shaped disks or shaped bodies that transmit the thrust flat.
  • the thrust is distributed over a larger area and the surface pressure is reduced.
  • the internal friction of the transmission mechanism can be reduced, since now only the shaped bodies come into contact with the pipe or profile guide.
  • a particularly uniform power transmission in curved sections of the transmission mechanism with low friction and high resilience is ensured by a development of the invention in which the shaped bodies are designed as concave lenses perforated in the middle, the edge region of which consists of an annular spherical segment, the balls being one from the center of the ball have enlarged central bore towards the two openings arranged opposite on the surface. Due to the enlargement of the center hole to the outside, the continuous wire rope is not kinked even with a small radius of curvature of the transmission mechanism and thus has a significantly longer service life.
  • the thrust elements are positively connected to one another so that they can also transmit a tensile force from the transmitter element to the slave element.
  • the slave element in relation to the profile or pipe guide by means of a spring
  • Tension direction is biased.
  • the spring force also supports the lifting movement when lifting a roof.
  • the transmitter elements of two transmission mechanisms are arranged at an angle of essentially 180 ° to one another and on either side of the central actuator opposite to a group of two.
  • Two encoder elements can thus be mechanically coupled to the actuator without interfering with one another, the parallel arrangement permitting a particularly simple introduction of force with anti-parallel directions of movement and facilitating the transmission of the movement to the lifting elements located at a distance from one another.
  • the transmission mechanisms are each L-shaped with a curved section and two straight sections adjoining them and together form a U-shaped arrangement in the group of two.
  • the U-shape is adapted to the shape of the case or transport container, so that its base can preferably be arranged in the bottom area and the two arms in the respective wall area.
  • Around the actuator in the floor area with the lifting elements in the roof area To connect mechanically, only a negligibly small installation space is required.
  • the encoder elements of the group of two are connected with toothed racks arranged in opposite directions and displaced in parallel, which are displaceable in opposite directions by a common drive pinion arranged between them. Without additional mechanical measures, the two racks are moved in their respective actuation directions when the drive pinion is turned.
  • the sensor consists in that the sensor elements of a group of two are connected with threaded rods arranged in opposite directions, and one on the threaded rods each with a bevel gear connected threaded sleeve or nut is arranged and that the two parallel bevel gears are engaged with a bevel gear arranged at right angles thereto. This configuration is recommended if the axes of the parallel encoder elements should coincide.
  • the transmitter mechanism is more accessible, is characterized by the measures that the transmitter elements of a group of two consist of dumbbell-shaped blocks that are guided with a first thickened section in a slotted tube of the transmission mechanism, that the second thickened section with a Provided internal thread and is arranged on a threaded rod outside the slotted tube, that the threaded rods are each provided with a bevel gear at their opposite ends and that the two parallel bevel gears are in engagement with a drive bevel gear arranged at right angles thereto.
  • the drive pinion or the drive bevel gear for driving a group of two is arranged on a drive rod, which is rotatably mounted on the vehicle body or transport container and with a
  • Drive is connected. This measure allows the rotary movement to be transmitted in a simple manner from the drive arranged at an easily accessible location, for example in the area of a lower edge of the vehicle body, to the drive pinion or drive bevel gear which is more difficult to access in the center of the floor.
  • the inventive concept also includes electrical, pneumatic or other drives.
  • Drive rod two or more drive pinions or drive bevel gears are arranged to drive two or more groups of two transmission mechanisms, not only the drive energy is distributed to several transmission mechanisms, but at the same time their synchronization is ensured.
  • the actuator with the drive rod and adjoining horizontal sections of the transmission mechanisms is in a base group of the
  • Vehicle body or transport container and the vertically extending sections of the transmission mechanisms in a door or end wall pillars of the vehicle body or transport container are arranged inside according to a 90 ° arc. In this way, the mechanics in the cargo hold practically do not appear; it cannot hinder the charging process and is largely protected from external influences. Advantages and details of the invention result from the following description of exemplary embodiments with reference to the drawings.
  • Fig. 1 shows a first embodiment of a
  • Figure 2 is an enlarged detail view of the same lifting device in section.
  • FIG. 3 shows a second exemplary embodiment of a lifting device, in a partially sectioned partial view
  • Fig. 4 shows a third embodiment of a lifting device, in a partially sectioned partial view
  • a box body 1 of a truck is indicated in cross section. You can see a raised one
  • Roof 2 two side walls 3 and 4 with spars 5 and 6, a floor assembly 7 with an inner floor 8 and an interior 9, which is intended for loading with goods, not shown.
  • the lifting device essentially consists of two transmission mechanisms 10 and 11 for transmitting a movement of a central actuator 12 to two lifting elements 13 and 14, which serve to lift the roof 2.
  • the transmission mechanism 10 has a double-curved section 15 which Transmission technology 11 a simply bent section 16 with bent tubes, which form a tube guide 17 or 18 for thrust elements arranged therein.
  • Thrust elements made of alternately arranged balls 19 with a smaller diameter and shaped bodies 20 with a larger diameter, each of which is perforated and drawn onto a wire rope 21.
  • the wire rope is connected at one end 22 to a transmitter element 24 and at its other end 23 to a slave element 25.
  • the encoder element 24 is connected to a rack 27.
  • the balls 19 each have a central bore 35, which starts from the center of the ball to the two at the
  • Spherical surface arranged openings is flared.
  • a rack 26 is arranged above and the other rack 27 below a drive pinion 28 with their axes 29 and 30 parallel to one another.
  • the drive pinion 28 is rotated, the two racks 26 and 27 move in opposite directions.
  • the drive pinion 28 is rotated counterclockwise, the upper rack 26 being pushed to the left and the lower rack 27 to the right onto the respective transmitter element 24.
  • the thrust force is transmitted from the transmitter element 24 to the first ball 19, from this to the adjacent molded body 20, from this in turn to the second ball 19 and so on up to the slave element 25.
  • the shaped bodies 20 are designed as concave lenses, the edge region 31 (FIG. 2) of which consists of an annular spherical segment. You can imagine the molded body 20 also formed from large balls, into each of which a small ball 19 was pressed on both sides.
  • the convex surfaces of the small balls 19 are adapted to the concave surfaces of the shaped bodies 20, so that a relatively large area is available for the force to be transmitted. This also applies to the curves of the curved sections 15 and 16, because the balls 19 can be rotated in the concave indentations of the shaped bodies 20.
  • the slave elements 25 are each connected to a rod 13 'or 14' which is formed in one piece with the associated lifting element 13 or 14 and transmits the actuating movement to the roof 2, which is thus raised in order to load or unload the
  • the actuator 12 is locked in a manner not described here in order to prevent the roof 2 from being lowered unintentionally during the charging process.
  • the locking device is released and the drive pinion 28 is rotated clockwise.
  • the upper rack 26 moves to the right and the lower rack 27 to the left.
  • the thrust elements (ball 19 and shaped body 20) in the pipe guides 17 and 18 also move in the opposite directions, the rods 13 'and 14' being lowered together with the lifting elements 13 and 14 and the roof 2.
  • the wire rope 21 is used on the narrow sides of the side walls 3 and 4. Via the racks 26 and 27, the transmitter elements 24, the wire rope 21, the receiving elements 25, the rods 13 'and 14' and the lifting elements 13 and 14, tensile forces are transmitted to the roof 2, which is thereby completely closed and firmly attached to the box body 1 is pressed. In this position, too, the actuator 12 can be locked in order to rule out an unintentional opening of the roof 2, in particular while driving.
  • the invention is not limited to the configuration of the pulling possibility with the wire rope 21 described in detail. Rather, it also includes configurations in which the thrust elements are simultaneously designed as tension elements by being positively connected to one another.
  • the lifting elements 13 and 14 are surrounded by coil springs 32, each of which has its lower end 33 on the spar 5 or 6 or on a guide tube (not shown) arranged around the rods 13 'or 14' and at its upper end Support 34 on the roof 2 or the lifting element 13 or 14.
  • the respective lifting element 13 or 14, the rod 13 'and 14' and with this the slave element 25 is pulled upwards.
  • the upward spring force on the one hand makes it easier to lift the roof 2 and, on the other hand, the entire transmission mechanism 10 or 11 is pretensioned in the direction of pull, thus preventing jamming or jamming.
  • the two transmission mechanisms 10 and 11 are each L-shaped, with each of the curved sections 15 and 16 mentioned in the lower region horizontally aligned straight section 36 or 37 and in the upper area each a vertically aligned straight section 38 or 39 connects.
  • the two L-shaped transmission mechanisms 10 and 11 together form a U-shaped group of two, the two transmitter elements 24 with the two racks 26 and 27 being arranged in a 180 ° angle to one another and on both sides of the central actuator 12.
  • two of the U-shaped groups of two 10 and 11 are provided, which are each arranged at the front and rear ends of the box body 1.
  • the two drive pinions 28 intended for driving the two transmission mechanisms 10 and 11 are arranged at a distance from one another on a drive rod 56, which thus ensures that all four lifting devices are actuated synchronously.
  • the drive rod 56 is rotatably mounted in the floor assembly 7 of the box body 1 and is provided at its end with a hand crank, not shown, which can be inserted and removed.
  • the actuator 12 and the horizontal sections 36 and 37 of the transmission mechanisms 10 and 11 are also arranged in the base group 7.
  • the sections 38 and 39 of the transmission mechanisms 10 and 11, which run vertically after the 90 ° bend, are accommodated in the spars 5 and 6, respectively.
  • FIG. 3 Another embodiment is shown in FIG. 3.
  • a group of two is formed by two transmission mechanisms, the modified transmitter elements 40 of which are connected to threaded rods 41 and 42 arranged in opposite directions.
  • Threaded sleeves 46 and 47 are screwed onto the threaded rods 41 and 42, respectively, which are provided at their mutually facing ends with parallel bevel gears 43 and 44, which lie opposite one another and are in engagement with a drive bevel gear 45 arranged perpendicularly thereto.
  • Threaded rods 41 and 42 are pushed away from the drive bevel gear to the right and left into the respective pipe guide 18, the balls 19 being pushed through the bent sections 16 and finally acting on the lifting elements, not shown, in order to raise the roof, not shown.
  • FIGS. 4 and 5 functions similarly.
  • the bevel gears 43 and 44 are fastened on threaded rods 48 and 49, which are slotted outside of one
  • Tubes 50 formed profile guide are fixed in pivot bearings 51.
  • Two dumbbell-shaped blocks are provided as donor elements 52.
  • a first thickened section 53 of the transmitter element 52 is guided in the slotted tube 50.
  • a second thickened section 54 is provided with an internal thread 55 and is arranged outside the slotted tube 50 on the threaded rod 48 or 49.
  • the two parallel bevel gears 43 and 44 are driven by a drive bevel gear 45 arranged perpendicular thereto.
  • the threaded rods 48 and 49 rotate in opposite directions and push the encoder elements 52 to the right or left in the direction of the balls 19 which are screwed again be pushed into the curved sections 16.
  • Thrust element molded body

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

L'invention concerne un dispositif de levage prévu pour déplacer des toits (2), des parois latérales ou de plates-formes de chargement de superstructures de véhicules (1) ou des conteneurs de transport, afin d'augmenter un espace intérieur (9) à charger ou à décharger, pendant le processus de chargement. Ce dispositif est équipé de deux mécanismes de transfert (10, 11) pour permettre un transfert synchrone d'un mouvement d'un actionneur (12) central sur au moins deux éléments de levage (13, 14). Des éléments simples permettent d'assurer un mouvement fiable et synchrone des éléments de levage, du fait que chaque mécanisme de transfert (10, 11) présente au moins une section cintrée (15, 16) comportant des éléments de poussée (19, 20), guidés à l'aide d'un guide tubulaire (17, 18) ou d'un guide profilé, un élément transducteur (24) accouplé mécaniquement à l'actionneur (12) et un élément récepteur (25) relié à l'élément de levage (13, 14), de manière qu'une force de poussée émanant de l'élément transducteur (24) puisse être transmis à l'élément récepteur (25) par l'intermédiaire des éléments de poussée (19, 29).
PCT/EP1998/007039 1997-11-25 1998-11-04 Dispositif de levage WO1999026800A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751979.2 1997-11-25
DE19751979A DE19751979C1 (de) 1997-11-25 1997-11-25 Hubvorrichtung

Publications (1)

Publication Number Publication Date
WO1999026800A1 true WO1999026800A1 (fr) 1999-06-03

Family

ID=7849637

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/007039 WO1999026800A1 (fr) 1997-11-25 1998-11-04 Dispositif de levage

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DE (1) DE19751979C1 (fr)
WO (1) WO1999026800A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794706B1 (fr) * 1999-06-14 2001-09-21 Alstom Wagon ferroviaire a plate-forme mobile en translation perpendiculairement a son plan
DE102009033913B4 (de) * 2009-07-20 2011-04-28 Webasto Ag Antriebsvorrichtung für ein Fahrzeugschiebedach und Fahrzeugschiebedach
CN107554398B (zh) * 2017-09-30 2023-08-22 林桂炳 车辆扩展空间升降机构
DE102018121981A1 (de) * 2018-09-10 2020-03-12 Nevpa Otomotiv A.Ş. Hubvorrichtung für das Dach eines Nutzfahrzeugaufbaus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694024A (en) * 1970-12-24 1972-09-26 Budd Co Vertically expansible cargo vehicle body
DE2500738A1 (de) 1975-01-10 1976-07-15 Kaspar Klaus Fahrzeugaufbau mit einem hubdach
DE2708992A1 (de) 1977-03-02 1978-09-07 Johannes P Heymann Pneumatisches hubdach fuer fahrzeuge
US4392682A (en) * 1981-08-04 1983-07-12 Norkus Jr Kasper Expansible and retractable vehicle body
FR2702712A1 (fr) * 1993-03-19 1994-09-23 Trouillet Carrosserie Dispositif de réglage en hauteur d'un pavillon d'un véhicule utilitaire.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694024A (en) * 1970-12-24 1972-09-26 Budd Co Vertically expansible cargo vehicle body
DE2500738A1 (de) 1975-01-10 1976-07-15 Kaspar Klaus Fahrzeugaufbau mit einem hubdach
DE2708992A1 (de) 1977-03-02 1978-09-07 Johannes P Heymann Pneumatisches hubdach fuer fahrzeuge
US4392682A (en) * 1981-08-04 1983-07-12 Norkus Jr Kasper Expansible and retractable vehicle body
FR2702712A1 (fr) * 1993-03-19 1994-09-23 Trouillet Carrosserie Dispositif de réglage en hauteur d'un pavillon d'un véhicule utilitaire.

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Publication number Publication date
DE19751979C1 (de) 1999-04-08

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