EP1235734B1 - Travelling mechanism for an overhanging working device, especially for a building crane - Google Patents

Travelling mechanism for an overhanging working device, especially for a building crane Download PDF

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Publication number
EP1235734B1
EP1235734B1 EP00993401A EP00993401A EP1235734B1 EP 1235734 B1 EP1235734 B1 EP 1235734B1 EP 00993401 A EP00993401 A EP 00993401A EP 00993401 A EP00993401 A EP 00993401A EP 1235734 B1 EP1235734 B1 EP 1235734B1
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EP
European Patent Office
Prior art keywords
travelling mechanism
chassis
mechanism according
working device
axle
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.)
Expired - Lifetime
Application number
EP00993401A
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German (de)
French (fr)
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EP1235734A1 (en
Inventor
Karel Mojzis
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.)
KOECK ELKE
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KOECK ELKE
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Publication date
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Publication of EP1235734A1 publication Critical patent/EP1235734A1/en
Application granted granted Critical
Publication of EP1235734B1 publication Critical patent/EP1235734B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88Safety gear
    • B66C23/94Safety gear for limiting slewing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/344Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems

Definitions

  • the invention relates to a chassis with a chassis, which is provided with at least one wheel axle and wheels and on which a working device is attached, at least horizontally in the transport state is so wide that it beyond the center of gravity under which the undercarriage is located, has a large protrusion through which the maneuverability the one in the transport state on the chassis Working device at the installation site under cramped conditions is made difficult or impossible is, for example, a construction crane, e.g. a non-rotating construction crane, for which the invention Chassis particularly suitable.
  • a chassis for a wide-reaching work device in particular for a high-rise construction crane, preferably a rotating one Construction crane, which makes it possible to like construction cranes, under relatively cramped Space is relatively good at the installation site to be ranked is in German published application DE 198 56 593 A1.
  • This chassis includes a chassis with a double or tandem axle, the first and second Has axis; and one that can be connected to a towing vehicle traction device; the chassis and the traction device are designed so that both the wheels of the first axis as well as the wheels of the second axle with a bogie or axle steering are provided, as well as the Bogie or axle steering of the wheels of the first Axle like this with the bogie or steering knuckle the wheels of the second axle are connected to the steering of the wheels of the first and second axles with steering geometry is done synchronously, with the wheels of the first and second axles preferably in the area of the support surface of the working device, preferably the crane, are arranged, and wherein the Traction device separately from the chassis and on the to be transported on the chassis and with the Chassis to form a work unit that can be connected, especially on a crane, preferably one Construction crane, attachable and connectable to the chassis is. That part is referred to as the traction mechanism to which a towing vehicle hitched when the
  • US-A-3 664 515 is an actuatable stop known, in particular for cranes or the like for use is suitable as an anchorage stop and that serves to prevent a vehicle on which the Crane is overturned, that in the intended Crane operation with a load loaded and at a predetermined Length of the extended boom, the vehicle due to uncontrolled Turning the crane overturns.
  • the purpose is the base plate of the Crane surrounded by a gear ring on which this base plate by the above-mentioned actuable stop against an uncontrolled Rotation of the crane loaded with a payload can be locked, which would otherwise cause the vehicle to tip over with the crane by shifting the center of gravity of the loaded Crane to the outside of the support surface of the same could drive the vehicle.
  • US-A-3 664 515 thus provides a means by the one in the intended operation and crane loaded with a payload on an uncontrolled Rotation and thus overturning with the carrier vehicle is prevented.
  • the object of the invention is to have a chassis a chassis with at least one wheel axle and wheels is provided and on which a working device is attached which is horizontal, at least in the transport state What is far-reaching is that they go beyond the focus, below which the landing gear is, a large protrusion has through which the maneuverability of the in the transport state the working device located at the installation site made difficult or impossible under cramped conditions will be available, which enables such Work devices, especially high construction cranes, still better than before the conditions at the construction site, such as terrain, Obstacles and Like.
  • the twisting in the unlocked Condition can be accomplished by means of the towing vehicle, it, however, in particularly sophisticated inventive Chassis is also possible using this twisting separate, for example hydraulic, drive device perform.
  • Another aspect of the present invention is that to significantly increase maneuverability, several independently Steerable wheel axles are provided on the chassis may be in addition to that discussed above
  • the working device can be rotated and locked relative to the chassis and / or the double rocker.
  • the chassis according to the invention also preferably has one initially in connection with the chassis according to DE 198 56 593 A1 called pulling device, which is separate from the chassis trained and on the to be transported on the chassis and with the chassis to a structural unit connectable working device, especially on a crane, preferably a high-rise construction crane, particularly preferably of the rotating type Type, attachable and above it with the chassis is connectable.
  • the towing vehicle for example a semi-trailer or a truck, hitched.
  • chassis according to the invention in which the working device in shunting mode relative horizontally rotatable to the chassis and in at least two different rotational positions can be determined is characterized in that the chassis has a single wheel axle has rigidly or steerably attached to the chassis is.
  • chassis in which the working device in shunting mode horizontally rotatable relative to the chassis and in at least two different rotational positions can be determined is designed so that the chassis has several wheel axles having one wheel axle or several or all wheel axles is or are rigidly attached to the chassis, wherein non-rigid wheel axles coupled synchronously or independently can be steerable from each other.
  • the undercarriage can be adjusted according to the Invention be designed so that the working device in Shunting operation relative to the chassis horizontally by a Power drive within a predetermined angular range is rotatable and lockable, with this training is preferred, a stepless rotatability and lockability provided.
  • a particularly inexpensive and at the same time maneuverability substantially improving embodiment of the invention is characterized in that the horizontal rotatability of the construction crane relative to the chassis in shunting mode it is provided that one in the non-installed state of the high-rise crane between the superstructure and undercarriage of the high-rise crane is detachable and is detectable in two or more rotational positions, with preference the rotation lock at least one locking bolt comprises, each in openings or aligned with each other Recesses in the superstructure and undercarriage can be inserted.
  • the training of these can be relatively simple and nevertheless highly effective embodiment so that the one Opening formed in a sleeve provided on the superstructure is with one of a plurality of openings or Recesses in the undercarriage by rotating the superstructure relative can be brought into alignment with the undercarriage.
  • the one mentioned Power can be an adjusting device, preferably for Twisting one or the superstructure relative to one or that Include undercarriage by the chassis and / or by one Towing vehicle and / or operable from another position and can be locked if necessary.
  • the power drive can be designed in a variety of ways, especially so that the power drive is a hydraulic, compressed air or includes an electric motor and / or a hand crank.
  • chassis is uniaxial, possibly with an additional front axle on the front part of the working device, then it is preferred that the chassis is a uniaxial semitrailer or uniaxial central trailer, if necessary with additional provided front axle as a drawbar trailer.
  • Chassis be such that to operate the steering a Hydraulic system with hydraulic cylinder, a compressed air system with Compressed air cylinders or threaded spindles driven by hydraulics, Compressed air or electric motor and / or hand crank provided is or are.
  • a manual control valve arrangement a cable remote control and / or a radio remote control be provided. If all three types of control mentioned are provided, then the steering can both from the chassis from (manual control valve arrangement) as well as removed beside standing on the chassis (remote control) or from the towing vehicle control (radio remote control).
  • control can the steering can also be designed so that the steering by linkage or cables from a fifth wheel or a Draw tube in the front part of the working device is attached, can be controlled.
  • Such an execution is however relatively complex and has a forced steering Consequence, so that independent steering is not possible but be acceptable in certain cases.
  • the chassis is multi-axis
  • training is biaxial or triaxial be such that the chassis is a multi-axle semi-trailer or rigid drawbar trailer, if applicable with additional front axle designed as a drawbar trailer.
  • the suspension the wheel axle (s) is a leaf suspension or air suspension, preferably in multi-axle chassis as a leaf suspension with rocker as path compensation or air suspension with path compensation is formed by the air suspension.
  • the construction crane 1 shown overall in FIG. 1, which in the present embodiment executed as a non-rotating construction crane is provided with a chassis 2 attached to it, which has a chassis 15 with a double or tandem axle, which comprises a first axis 3 and a second axis 4, the first axis 3 in the collapsed configuration of the high-rise crane 1 according to FIG. 1 forms the front axis and the second axis 4 forms the rear axis.
  • the chassis also has a separately formed from the chassis 15 Traction device 28, which on the crane 1 or another Fastened working device and can be coupled to a towing vehicle is.
  • the chassis 15 is on the construction crane 1 by means of a rocker 5 attached, the bolt 60 (see Figure 2).
  • the construction crane 1 has one in a usual way for non-rotating construction cranes Undercarriage 6, a slewing ring 7 and an uppercarriage 8, wherein attached to the superstructure of the crane tower 9 and the crane boom 10 are.
  • the crane tower 9 consists of a lower one Crane tower section 9a and an upper crane tower section 9b
  • the boom 10 includes an inner boom section 10a and an outer crane boom section 10b.
  • the remaining parts of the construction crane 1 are, provided they continue not mentioned below, common parts and equipment of a non-rotating construction crane.
  • the first axis 3 and the second axis 4 of the chassis 2 are each designed as a steering axle, for which purpose in the present embodiment the wheels 11 with tires, namely both the wheels 11a of the first axle 3 as well as the wheels 11b of the second axis 4 are provided with a bogie steering.
  • Each bogie steering includes, as in particular from the figures 1 and 2 can be seen, a bogie 12 on which the Axis 3 or 4 is attached via leaf springs 13, and a Steering ring 14, which is designed here as a ball steering ring and via which the associated bogie 12 on the chassis 15 the chassis 2 is attached.
  • Each of the two bogies 12 is with a connection and stiffening construction 16 or 17, and these two connecting and stiffening structures 16 and 17 are by power transmission 18, which is designed here as a handlebar, via joints 18a and 18b synchronously with one another to form a steering geometry Steering movement linked together.
  • the steering can be operated hydraulically, by means of a Steering or hydraulic cylinder 19 (indicated by dashed lines in FIG. 2), which has a first joint 20a on the chassis 15 and via a second joint 20b on one 16 of the two connection and stiffening structures 16, 17 is attached.
  • This steering or hydraulic cylinder 19 is on the chassis 15 attached hydraulic unit 58 supplied and is by means of a steering or remote control 23, for example Controllable via Bowden cable or via electrical cables.
  • the Pump, not shown, of the hydraulic unit 58 is powered by vehicle batteries 24, for example of two 12 volt vehicle batteries, supplied with electrical power. If the construction crane is in work and thus to the construction site power source is connected, the vehicle batteries 24 charged by a mounted charger.
  • At 21 is one Compressed air tank for the brake system called.
  • the first and second axes are 3rd or 4 steering geometry synchronously adjustable, and with the help of this Steering is associated with being horizontal Rotating the construction crane 1 relative to the chassis 15 and locking the same in different rotational positions excellent shunting is provided in the shunting operation of the chassis according to the invention at the construction site, in particular, easy shuffling into narrow to narrowest Construction site entrances.
  • the locking and unlocking device designated as a whole by 100 comprises a locking bolt 101 which in a locking bolt holder attached to the superstructure 8 102 is vertically displaceable and optionally in one of several openings 103, namely 103a, 103b or 103c, can be inserted is that are provided in the undercarriage 6 so that different rotational positions of the upper carriage 8 relative to the lower carriage 6 have it set.
  • the locking bolt is required for this purpose 101 only on the handle and simultaneous Stop 104 to be pulled up to the rotatability release between the upper and lower carriage by unlocking, after which the rotational position is changed by means of the towing vehicle until another one of the openings 103a, 103b or 103c aligned with the locking bolt 101. Then the locking bolt 101 lowered again and into the concerned Insert the opening until the handle and stop 104 open the top of the locking bolt holder 102 rests.
  • the locking bolt 101 can be fitted with a (not shown) Snap or other holding device provided he in the upper position shown in Figure 3 during twisting remains, or it can be pulled out completely and then back into its, in the present case cylindrical, sleeve or opening 105 are inserted into the locking bolt holder 102.
  • a (not shown) Snap or other holding device provided he in the upper position shown in Figure 3 during twisting remains, or it can be pulled out completely and then back into its, in the present case cylindrical, sleeve or opening 105 are inserted into the locking bolt holder 102.
  • the vertical locking and unlocking movement of the Locking bolt 101 is indicated by the double arrow 106, and the relative torsional movement between the undercarriage and the uppercarriage 6 and 8 is represented by the double arrow 107.
  • the invention is not based on this embodiment limited, but there can be a wide variety of locking and Unlocking devices are used, and preferably are several individual locking and unlocking devices 100 of the shown in Figure 3 or one provided another type, as illustrated in Figures 1, 4 and 5, wherein in Figures 1 and 4, the ring gear or slewing ring 7th is illustrated with that in Figure 3 for reasons of illustration has been omitted.
  • FIG. 4 also shows the motor 108, which is used for normal rotation the crane is provided in the erected state, wherein in Figure 5, the pinion meshing with the rotating or toothed ring 7 109 is indicated, which is attached to the shaft of the motor 108 is.
  • the motor 108 would be far too imprecise for the shunting adjustment and is exclusive for turning the crane in the erected state provided for which he can be connected to a three-phase network got to.
  • Adjustment device for rotating the superstructure 8 relative to Undercarriage 6 are provided, either in addition to Locking and unlocking device (s), e.g. 100 such as a hand crank, or when the adjustment device as such can be locked and unlocked instead the locking and unlocking device (s) or Additionally.
  • the adjustment device can, for example be formed by one or more hydraulic cylinders, the or the articulated between undercarriage and superstructure 6 and 8 is or are and which by a respective Check valve in the hydraulic path can be locked and unlocked or are.
  • other adjustment devices for example those that can be actuated by compressed air or are powered by an electric motor with battery operation, be provided.
  • FIGS. 6 to 11 instead of the support foot of the figure that can be supported with a plate 1, a support leg 38 with a wheel 38a is provided on the crane tower 9 is, but which is also replaced by a support foot 38 of Figure 1 can be.
  • the steering device is e.g. present for crane transport on the road, in the straight-ahead driving position can be locked by a lock 62 (see FIG. 2), namely in the illustrated embodiment by a securing bolt 25 (see Figure 1) in two with each other aligned sleeves 26 and 27 can be inserted, of which one sleeve 26 on the chassis 15 and the other sleeve 27 one of the two bogies 12a, 12b is firmly attached, so that when the securing bolt 25 is inserted both over the Power transmission 18 bogies positively coupled to each other, which are collectively designated 12 in the straight-ahead driving position are locked.
  • a lock 62 see FIG. 2
  • a securing bolt 25 in two with each other aligned sleeves 26 and 27 can be inserted, of which one sleeve 26 on the chassis 15 and the other sleeve 27 one of the two bogies 12a, 12b is firmly attached, so that when the securing bolt 25 is inserted both over the Power transmission 18 bog
  • the traction device 28 forms one part of the chassis 2 and is separate from the chassis 15 overall on the high-rise crane 1, in the present case on the lower section of the crane tower 9a, attached and by the same to the chassis 2 connected. If instead of crane 1 another, similarly wide sweeping work device, such as an extreme long fire ladder, a long-barrel gun, a rocket launcher or the like. Equipped with the undercarriage 2 according to the invention then the draw gear on the in Direction of transport in the front end region of the working device attached, and the working device forms as well In the present case, the crane 1 functions part of the total "Chassis" by connecting the traction device with the chassis 2 or its chassis 15 connects.
  • the pulling device 28 is in the present embodiment essentially from a guide tube 42, a draw tube 29, a sanding plate 30 and a saddle pin 31.
  • the draw tube 29 is by means of the guide tube 42 to an input and Extending movement performed, as shown in Figure 1, where the draw tube 29 by dash-dotted lines in the pushed out Position and by solid lines in the inserted Position is shown.
  • a drawbar eye 32 which is screwed onto the draw tube 29 is so that the working device 1 in the present preferred embodiment, that is the construction crane shown, via the towing eye 32 with the pin coupling of a truck can be connected.
  • the pull tube 29 is on the Guide tube 42 can be locked, in this case by means of two Socket pin 33; and the guide tube 42 is over mounting plates 63 on the working device 1, in the present case on the crane tower section 9a.
  • the grinding plate 30 is fastened under the guide tube 28, for example by welding, and on this grinding plate 30 the saddle pin 31 is attached, for example screwed on, so that the working device 1 thereby with the fifth wheel on a truck or semi-trailer can be connected after the draw tube 29 is inserted into the Positioned and in this by means of the plug pin 33rd has been arrested.
  • support feet 36 of which, like that Figure 5 shows four provided in a centrally symmetrical arrangement are, preferably the same as hydraulic support feet are formed, which are supplied by a hydraulic unit 22 be (see Figure 2).
  • these enable to the conventional mechanical support spindles - a quick one and by means of an electronic leveling device (not shown) automatic leveling and erection of the Working device 1, such as the construction crane, without great effort by only one operator, in particular flexible assembly and disassembly on the most difficult terrain or building site.
  • FIGS. 1 and 6 to 11 further show, the wheels 11 the chassis within the area of the support surface of the working device, So here the high-rise crane, arranged, i.e. the surface of one of the support feet 36 together connecting line is enclosed, it should be noted that the support feet 36 from the positions shown in Figures 7, 9 and 11 can be swung out sideways beyond the wheels.
  • the hydraulic support feet 36 have an unlockable check valve integrated and one as additional security Shut-off valve installed per support foot 36.
  • the support feet 36 are supported by the hydraulic unit 22 Hydraulic oil is supplied and can also be used independently of the automatic electronic leveling device individually by means of Manual control valves 37 (see Figure 2) can be controlled first control valves 37a for the support feet on one side of the chassis 2 and second control valves 37b for the support feet on the other side of the chassis 2 (see figure) 2).
  • Manual control valves 37 can be controlled first control valves 37a for the support feet on one side of the chassis 2 and second control valves 37b for the support feet on the other side of the chassis 2 (see figure) 2).
  • the power supply to the hydraulic unit 22 takes place in the Work deployment from the control cabinet of the construction crane 1.
  • FIG. 2 shows, there are connections 57 for supply lines, a main switch 59 and a storage box 61 provided on the chassis 15.
  • the crane counterweights 35 can be folded together Construction crane 1 remain during its transport.
  • the crane tower 9, in particular the lower crane tower section 9a, a foldable and changeable in height Support foot 38 removable ( Figure 1) or foldable attached be to the working device protruding far beyond the chassis 2 1, like the construction crane, in the same state, in which they are not coupled to a truck or tractor is to support.
  • This support foot 38 has in the figures 6, 8 and 10 a wheel 39, with which he also when maneuvering the Working device 1 can be supported.
  • the crane 1 can, depending on the towing vehicle, as a semi-trailer or can be pulled as a multi-axle drawbar trailer.
  • Figures 12 and 13 show one available with the invention put double rocker, which from the shown in Figure 1 Longitudinal rocker 5 and a transverse rocker 121 assembled therewith, which allows the crane 1 or one instead provided other work device transverse to the direction of travel incline and so on difficult terrain with the chassis 15 better to proceed and rank.
  • Figure 12 shows the Setup transverse to the direction of travel (i.e. a view on one level, which is perpendicular to the direction of travel), and
  • FIG. 13 shows the structure in the direction of travel (i.e. a view that the Figures 1, 6, 8 and 10 corresponds).
  • the cross rocker 121 is with its rocker bearings 122 on the longitudinal rocker 5 attached and by adjusting and locking devices 123, preferably as hydraulic devices (piston-cylinder devices) are executed in their bank can be determined relative to the longitudinal rocker 5 by the adjustment and Locking devices 123 on joints 124 on the one hand the cross rocker 121 and on the other hand attached to the longitudinal rocker 5 are.
  • the longitudinal rocker is free via its rocker bearing 125 pivotable, their inclination by the support foot 38 or determines the coupling of a towing vehicle to the towing device 28 is (see Figures 1, 6, 8 and 10).
  • the cross rocker 121 therefore makes it possible to move the crane relative to the Undercarriage 15 (which is shown only schematically in FIGS Top is indicated) to tilt sideways to its center of gravity relocate to the side and thus also with difficult Terrain conditions, such as on inclined slopes and / or upward forest and forest paths (e.g. in hairpin bends) excellent maneuvering or handling in any other way to be able to.
  • difficult Terrain conditions such as on inclined slopes and / or upward forest and forest paths (e.g. in hairpin bends) excellent maneuvering or handling in any other way to be able to.
  • Multiple wheels can be used for additional improvement Maneuverability and mobility under such conditions single wheels be provided with wide tires.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Jib Cranes (AREA)

Abstract

According to the invention a travelling mechanism for overhanging working devices, especially for a building crane, comprising a chassis on which the working device can be mounted or is mounted and which is provided with at least one wheel axle or wheels. This travelling mechanism is designed in such a way that (a) during manoeuvring the working device can be horizontally turned with regard to the at least one wheel axle and can be fixed with regard to the chassis in two or more different turning positions, and/or (b) a plurality of wheel axles which can be steered independently of one another are provided on the chassis.

Description

Die Erfindung betrifft ein Fahrwerk mit einem Fahrgestell, das mit wenigstens einer Radachse und Rädern versehen ist und auf dem eine Arbeitsvorrichtung angebracht ist, die zumindest im Transportzustand horizontal so weitausladend ist, dass sie über den Schwerpunkt hinaus, unter dem sich das Fahrwerk befindet, einen großen Überstand hat, durch den die Rangierbarkeit der im Transportzustand auf dem Fahrwerk befindlichen Arbeitsvorrichtung am Aufstellungsort unter beengten Verhältnissen erschwert oder unmöglich gemacht wird.Eine solche Arbeitsvorrichtung ist beispielweise ein Bauhochkran, wie z.B. ein untendrehender Bauhochkran, für den sich das erfindungsgemäße Fahrwerk besonders eignet.The invention relates to a chassis with a chassis, which is provided with at least one wheel axle and wheels and on which a working device is attached, at least horizontally in the transport state is so wide that it beyond the center of gravity under which the undercarriage is located, has a large protrusion through which the maneuverability the one in the transport state on the chassis Working device at the installation site under cramped conditions is made difficult or impossible is, for example, a construction crane, e.g. a non-rotating construction crane, for which the invention Chassis particularly suitable.

Eines der Probleme, die bei derartigen weitausladenden Arbeitsvorrichtungen, wie Bauhochkränen, auftreten, wenn sie mittels eines Fahrwerks an den Aufstellungsort transportiert werden, besteht darin, daß es wegen der relativ sehr großen Länge, die ein solcher Bauhochkran im zusammengelegten Zustand auf dem Fahrwerk hat, äußerst schwierig und in vielen Fällen sogar unmöglich ist, den Bauhochkran im bebauten Gelände aufgrund der Enge des zur Verfügung stehenden Platzes an den genauen Aufstellungsort zu rangieren.One of the problems with such extensive working devices, like high-rise cranes, when they occur transported to the installation site by means of a chassis be that it is because of the relatively very large Length of such a construction crane in the collapsed state on the chassis, extremely difficult and in many Cases even impossible, the high-rise crane in the built-up area due to the limited space available to rank at the exact location.

Ein Fahrwerk für eine weitausladende Arbeitsvorrichtung, insbesondere für einen Bauhochkran, vorzugsweise einen untendrehenden Bauhochkran, welches es ermöglicht, weitausladende Arbeitsvorrichtungen, wie Bauhochkräne, unter relativ beengten Platzverhältnissen verhältnismäßig gut an den Aufstellungsort zu rangieren, ist in der deutschen Offenlegungsschrift DE 198 56 593 A1 offenbart. Dieses Fahrwerk umfaßt ein Fahrgestell mit einer Doppel- oder Tandemachse, die eine erste und zweite Achse aufweist; und eine mit einem Zugfahrzeug verbindbare Zugeinrichtung; wobei das Fahrgestell und die Zugeinrichtung derart ausgebildet sind, daß sowohl die Räder der ersten Achse als auch die Räder der zweiten Achse mit einer Drehgestell- oder Achsschenkellenkung versehen sind, sowie die Drehgestell- oder Achsschenkellenkung der Räder der ersten Achse derart mit der Drehgestell- oder Achsschenkellenkung der Räder der zweiten Achse verbunden ist, daß die Lenkung der Räder der ersten und der zweiten Achse lenkgeometrisch synchron erfolgt, wobei die Räder der ersten und zweiten Achse vorzugsweise im Bereich der Abstützfläche der Arbeitsvorrichtung, bevorzugt des Krans, angeordnet sind, und wobei die Zugeinrichtung gesondert vom Fahrgestell ausgebildet und an der auf dem Fahrgestell zu transportierenden und mit dem Fahrgestell zu einer baulichen Einheit verbindbaren Arbeitsvorrichtung, insbesondere an einem Kran, vorzugsweise einem Bauhochkran, anbringbar und darüber mit dem Fahrwerk verbindbar ist. Als Zugeinrichtung wird also jener Teil bezeichnet, an dem ein Zugfahrzeug ankuppelt, wenn das Fahrwerk mit der Arbeitsvorrichtung, insbesondere dem Bauhochkran, im zusammengelegten Zustand über Land transportiert und dann am vorgesehenen Bauplatz oder dergleichen an den Aufstellungsort rangiert wird.A chassis for a wide-reaching work device, in particular for a high-rise construction crane, preferably a rotating one Construction crane, which makes it possible to like construction cranes, under relatively cramped Space is relatively good at the installation site to be ranked is in German published application DE 198 56 593 A1. This chassis includes a chassis with a double or tandem axle, the first and second Has axis; and one that can be connected to a towing vehicle traction device; the chassis and the traction device are designed so that both the wheels of the first axis as well as the wheels of the second axle with a bogie or axle steering are provided, as well as the Bogie or axle steering of the wheels of the first Axle like this with the bogie or steering knuckle the wheels of the second axle are connected to the steering of the wheels of the first and second axles with steering geometry is done synchronously, with the wheels of the first and second axles preferably in the area of the support surface of the working device, preferably the crane, are arranged, and wherein the Traction device separately from the chassis and on the to be transported on the chassis and with the Chassis to form a work unit that can be connected, especially on a crane, preferably one Construction crane, attachable and connectable to the chassis is. That part is referred to as the traction mechanism to which a towing vehicle hitched when the chassis with the Working device, especially the construction crane, in the folded Condition transported overland and then on the intended Building site or the like to the installation site is ranked.

Trotz dieses für das Einrangieren eines Bauhochkrans an den Aufstellungsort unter beengten Platzverhältnissen relativ günstigen vorteilhaften Aufbaus gibt es immer noch so sehr beengte Verhältnisse, unter denen Bauhochkräne aufgestellt werden sollen, daß es in hohem Maße wünschenswert ist, die Rangiermöglichkeiten signifikant zu verbessern.Despite this for the shunting of a construction crane to the Installation location relative to limited space cheap advantageous construction still exists so much cramped conditions under which construction cranes are erected should be that it is highly desirable that the Significantly improve maneuvering options.

Die FR-A-2 750 411 offenbart in ihren Figuren sowie insbesondere auf Seite 3, Zeilen 13-21:

  • (a) ein Fahrwerk für einen Bauhochkran mit einem Fahrgestell, auf dem der Bauhochkran angebracht ist, und das mit wenigstens einer Radachse versehen ist, wobei
  • (b) der Bauhochkran im Rangierbetrieb relativ zu der wenigstens einen Radachse horizontal drehbar ist, indem diese Radachse verdreht wird, und
  • (c) mehrere unabhängig voneinander lenkbare Radachsen am Fahrgestell vorgesehen sind.
  • FR-A-2 750 411 discloses in its figures and in particular on page 3, lines 13-21:
  • (a) a trolley for a construction crane with a chassis on which the construction crane is mounted and which is provided with at least one wheel axle, wherein
  • (b) the high construction crane can be rotated horizontally relative to the at least one wheel axis in the shunting mode by rotating this wheel axis, and
  • (c) several independently steerable wheel axles are provided on the chassis.
  • Auch für diesen Bauhochkran gelten, was das Einrangieren an den Aufstellungsort unter beengten Platzverhältnissen anbetrifft, die obigen Ausführungen zu der DE 198 56 593 A1.Also for this high-rise crane, what applies to the shunting concerns the installation site in confined spaces, the above statements on DE 198 56 593 A1.

    Schließlich ist aus der US-A-3 664 515 ein betätigbarer Anschlag bekannt, der insbesondere für Kräne o. dgl. zur Verwendung als ein Verankerungsanschlag geeignet ist und der dazu dient, zu verhindern, daß ein Fahrzeug, auf dem sich der Kran befindet, dadurch umkippt, daß der im bestimmungsgemäßen Kranbetrieb mit einer Last beladene und zu einer vorbestimmten Länge ausgefahrene Kranausleger das Fahrzeug durch unkontrolliertes Verdrehen des Krans zum Umkippen bringt. Zu diesem Zweck ist die um ihre Achse drehbare Basisplatte des Krans von einem Zahnring umgeben, an dem diese Basisplatte durch den obengenannten betätigbaren Anschlag gegen eine unkontrollierte Drehung des mit einer Nutzlast beladenen Krans arretierbar ist, die sonst zu einem Umkippen des Fahrzeugs mit dem Kran durch Verlagerung des Schwerpunkts des beladenen Krans nach außerhalb der Abstützungsfläche desselben durch das Fahrzeug führen könnte.Finally, from US-A-3 664 515 is an actuatable stop known, in particular for cranes or the like for use is suitable as an anchorage stop and that serves to prevent a vehicle on which the Crane is overturned, that in the intended Crane operation with a load loaded and at a predetermined Length of the extended boom, the vehicle due to uncontrolled Turning the crane overturns. To this The purpose is the base plate of the Crane surrounded by a gear ring on which this base plate by the above-mentioned actuable stop against an uncontrolled Rotation of the crane loaded with a payload can be locked, which would otherwise cause the vehicle to tip over with the crane by shifting the center of gravity of the loaded Crane to the outside of the support surface of the same could drive the vehicle.

    Die US-A-3 664 515 stellt also ein Mittel zur Verfügung, durch den ein im bestimmungsgemäßen Betrieb befindlicher und mit einer Nutzlast beladener Kran an einer unkontrollierten Drehung und damit an einem Umkippen mit dem Trägerfahrzeug gehindert wird.US-A-3 664 515 thus provides a means by the one in the intended operation and crane loaded with a payload on an uncontrolled Rotation and thus overturning with the carrier vehicle is prevented.

    Geländeanpassungs- und Rangierprobleme sind der US-A-3 664 515 nicht zu entnehmen und bei dem dort gezeigten Kran auch nicht vorstellbar, da dieser auf der Ladefläche eines Kraftfahrzeugs montiert ist, das leicht an den Benutzungsort des Krans gefahren werden kann und dessen Ausleger im Transportzustand eingefahren werden kann.Terrain adjustment and maneuvering problems are US-A-3 664 515 not to be removed and also with the crane shown there not conceivable, since this is on the bed of a motor vehicle is mounted, which is easy to the place of use of the Crane can be driven and its boom in transport condition can be retracted.

    Aufgabe der Erfindung ist es demgegenüber, ein Fahrwerk mit einem Fahrgestell, das mit wenigstens einer Radachse und Rädern versehen ist und auf dem eine Arbeitsvorrichtung angebracht ist, die zumindest im Transportzustand horizontal so weitausladend ist, dass sie über den Schwerpunkt hinaus, unter dem sich das Fahrwerk befindet, einen großen Überstand hat, durch den die Rangierbarkeit der im Transportzustand auf dem Fahrwerk befindlichen Arbeitsvorrichtung am Aufstellungsort unter beengten Verhältnissen erschwert oder unmöglich gemacht wird, zur Verfügung zu stellen, das es ermöglicht, derartige Arbeitsvorrichtungen, insbesondere Bauhochkräne, noch besser als bisher den Gegebenheiten an der Baustelle, wie Gelände, Hindernissen u. dgl. anzupassen, bei dem insbesondere die Rangiermöglichkeiten unter beengten bis sehr beengten Verhältnissen am Aufstellungsort signifikant verbessert sind, so daß die Verwendbarkeit solcher weitausladender Vorrichtungen, insbesondere von Bauhochkränen, wesentlich erweitert wird, indem diese an Aufstellungsorte rangiert werden können, zu denen bisher solche Vorrichtungen nicht mit einem Fahrwerk rangiert werden konnten.In contrast, the object of the invention is to have a chassis a chassis with at least one wheel axle and wheels is provided and on which a working device is attached which is horizontal, at least in the transport state What is far-reaching is that they go beyond the focus, below which the landing gear is, a large protrusion has through which the maneuverability of the in the transport state the working device located at the installation site made difficult or impossible under cramped conditions will be available, which enables such Work devices, especially high construction cranes, still better than before the conditions at the construction site, such as terrain, Obstacles and Like. Adapt, in particular the maneuvering options under cramped to very cramped conditions Conditions at the installation site are significantly improved, so that the usability of such extensive devices, especially of construction cranes, is significantly expanded, by being able to be routed to sites, too which so far have not had such devices with a chassis could be ranked.

    Diese Aufgabe wird erfindungsgemäß gelöst durch ein Fahrwerk mit einem Fahrgestell, das mit wenigstens einer Radachse und Rädern versehen ist und auf dem eine Arbeitsvorrichtung angebracht ist, die zumindest im Transportzustand horizontal so weitausladend ist, dass sie über den Schwerpunkt hinaus, unter dem sich das Fahrwerk befindet, einen großen Überstand hat, durch den die Rangierbarkeit der im Transportzustand auf dem Fahrwerk befindlichen Arbeitsvorrichtung am Aufstellungsort unter beengten Verhältnissen erschwert oder unmöglich gemacht wird; wobei

  • (a) die sich im Transportzustand auf dem Fahrwerk befindende Arbeitsvorrichtung im Rangierbetrieb relativ zum Fahrgestell horizontal drehbar und relativ zum Fahrgestell in zwei oder mehr unterschiedlichen Drehpositionen feststellbar ist,
    und/oder
  • (b) die Arbeitsvorrichtung über eine Doppelwippe auf dem Fahrgestell angebracht ist, welche eine Querwippe umfasst, die ein Neigen der Arbeitsvorrichtung quer zur Fahrtrichtung ermöglicht und in ihrer Neigung relativ zur Längswippe feststellbar ist.
  • This object is achieved according to the invention by a chassis with a chassis which is provided with at least one wheel axle and wheels and on which a working device is attached which, at least in the transport state, is horizontally so wide that it extends beyond the center of gravity below which the chassis is located has a large protrusion, which makes it difficult or impossible to maneuver the working device located in the transport state on the chassis at the installation site under cramped conditions; in which
  • (a) the working device located in the transport state on the undercarriage can be rotated horizontally in the shunting mode relative to the undercarriage and can be determined in two or more different rotational positions relative to the undercarriage,
    and or
  • (b) the working device is mounted on the chassis via a double rocker which comprises a transverse rocker which enables the working device to be inclined transversely to the direction of travel and whose inclination can be determined relative to the longitudinal rocker.
  • Dadurch, daß die Doppelwippe ein Neigen der Arbeitsvorrichtung quer zur Fahrtrichtung gestattet, wird es ermöglicht, die Arbeitsvorrichtung auf sehr schwierigem Gelände mit dem Fahrgestell besser zu verfahren und zu rangieren. The fact that the double rocker tilting the working device allowed across the direction of travel, it is possible the working device on very difficult terrain with the Better to move and maneuver the chassis.

    Es hat sich, was das obige Merkmal (a) anbelangt, in der Praxis überraschenderweise gezeigt, daß die Rangierfähigkeit erheblich verbessert wird, wenn die weitausladende Arbeitsvorrichtung, insbesondere ein Bauhochkran, im Rangierbetrieb horizontal verdrehbar und in mehreren Drehpositionen, die während des Rangierbetriebs gewechselt werden können, feststellbar ist.It has been put into practice for the above feature (a) Surprisingly, it showed that maneuverability was considerable is improved when the wide working implement, in particular a high-rise crane, horizontal when maneuvering rotatable and in several rotational positions during the shunting operation can be changed, noticeable is.

    Das kann bei einem untendrehenden Bauhochkran dadurch erreicht werden, daß man die im Transport übliche Arretierung der Verdrehbarkeit zwischen Oberwagen und Unterwagen löst und eine praktikable Arretierungs- und Entarretierungsvorrichtung zwischen Oberwagen und Unterwagen vorsieht.This can be achieved with a rotating overhead crane be that the usual lock in transport the rotatability between uppercarriage and undercarriage loosens and a practical locking and unlocking device between uppercarriage and undercarriage.

    Es erscheint wichtig, darauf hinzuweisen, daß diese Verwendung und Ausgestaltung der Verdrehbarkeit zwischen Oberwagen und Unterwagen eine völlig andere als im Normalbetrieb eines untendrehenden Bauhochkrans ist, denn die konventionelle Anwendung dieser Verdrehbarkeit beschränkt sich auf das Drehen des Bauhochkrans in dessen fertig aufgestellten Zustand zum Zwekke der bestimmungsgemäßen Verwendung des Krans. Bisher wurde diese Verdrehbarkeit ausschließlich zum Drehen des Krans im aufgestellten Zustand genutzt. Die für diesen bestimmungsgemäßen Gebrauch vorgesehene Antriebsvorrichtung ist, was die vorstehenden Darlegungen bestätigt, für die erfindungsgemäße Anwendung viel zu ungenau, so daß die konventionelle Antriebs- und Feststellvorrichtung für das Verdrehen des Bauhochkrans im aufgestellten Zustand, für Rangierzwecke überhaupt nicht sinnvoll verwendbar ist, abgesehen davon, daß sie normalerweise mit Zweiphasen- oder Dreiphasen-Wechselstrom betrieben wird.It seems important to note that this use and design of the rotatability between superstructure and Undercarriage a completely different one than in normal running one Building crane is because the conventional application this rotatability is limited to turning the Construction crane in its fully erected condition for the purpose the intended use of the crane. So far this rotatability only for turning the crane in installed state used. The intended for this The intended drive device is what the the above statements confirmed for the invention Application far too imprecise, so that the conventional drive and locking device for rotating the construction crane when set up, for shunting purposes at all is not useful, apart from the fact that it usually with two-phase or three-phase alternating current is operated.

    Daher ist zum Arretieren und Entarretieren der Drehvorrichtung zwischen Ober- und Unterwagen eines Bauhochkrans zum Zwecke des Rangierens eine gesonderte erfindungsgemäße Vorrichtung vorgesehen, wobei das Verdrehen im entarretierten Zustand mittels des Zugfahrzeugs bewerkstelligt werden kann, es jedoch bei besonders ausgeklügelten erfindungsgemäßen Pahrwerken auch möglich ist, dieses Verdrehen mittels einer gesonderten, beispielsweise hydraulischen, Antriebsvorrichtung auszuführen.Therefore, to lock and unlock the rotating device between the superstructure and the undercarriage of a construction crane for For the purpose of maneuvering a separate device according to the invention provided, the twisting in the unlocked Condition can be accomplished by means of the towing vehicle, it, however, in particularly sophisticated inventive Chassis is also possible using this twisting separate, for example hydraulic, drive device perform.

    Ein weiterer Aspekt der vorliegenden Erfindung besteht darin, daß zur signifikanten Erhöhung der Rangierbarkeit mehrere unabhängig voneinander lenkbare Radachsen am Fahrgestell vorgesehen sein können, und zwar zusätzlich zu der vorstehend erörterten Verdreh- und Arretierbarkeit der Arbeitsvorrichtung relativ zu dem Fahrgestell und/oder der Doppelwippe. Another aspect of the present invention is that to significantly increase maneuverability, several independently Steerable wheel axles are provided on the chassis may be in addition to that discussed above The working device can be rotated and locked relative to the chassis and / or the double rocker.

    Um eine maximale Rangierbarkeit zu erreichen, empfiehlt es sich allerdings, die beiden vorstehend zuerst genannten Maßnahmen (unabhängig voneinander lenkbare Radachsen und Verdreh- und Arretierbarkeit) in Kombination vorzusehen und anzuwenden.In order to achieve maximum maneuverability, it is recommended themselves, however, the two first measures mentioned above (independently controllable wheel axles and twist and lockability) in combination to provide and apply.

    Das erfindungsgemäße Fahrwerk weist außerdem bevorzugt eine eingangs in Verbindung mit dem Fahrwerk nach der DE 198 56 593 A1 genannte Zugeinrichtung auf, die gesondert vom Fahrgestell ausgebildet und an der auf dem Fahrgestell zu transportierenden und mit dem Fahrgestell zu einer baulichen Einheit verbindbaren Arbeitsvorrichtung, insbesondere an einem Kran, vorzugsweise einem Bauhochkran, besonders bevorzugt vom untendrehenden Typ, anbringbar und darüber mit dem Fahrgestell verbindbar ist. An dieser Zugeinrichtung wird das Zugfahrzeug, beispielsweise ein Sattelschlepper oder ein Lastkraftwagen, angekuppelt.The chassis according to the invention also preferably has one initially in connection with the chassis according to DE 198 56 593 A1 called pulling device, which is separate from the chassis trained and on the to be transported on the chassis and with the chassis to a structural unit connectable working device, especially on a crane, preferably a high-rise construction crane, particularly preferably of the rotating type Type, attachable and above it with the chassis is connectable. The towing vehicle, for example a semi-trailer or a truck, hitched.

    Im einzelnen ist eine bevorzugte Ausführungsform des erfindungsgemäßen Fahrwerks, bei dem die Arbeitsvorrichtung im Rangierbetrieb relativ zum Fahrgestell horizontal drehbar und in wenigstens zwei unterschiedlichen Drehpositionen feststellbar ist, so ausgebildet, daß das Fahrgestell zwei oder mehr Radachsen aufweist, wobei

  • (a) die Räder der einzelnen Radachsen mit einer Drehgestelloder Achsschenkellenkung versehen sind; und
  • (b) die Drehgestell- oder Achsschenkellenkungen der Räder der einzelnen Radachsen untereinander derart verbunden sind, daß die Lenkung der Räder der Radachsen lenkgeometrisch synchron erfolgt.
  • In particular, a preferred embodiment of the chassis according to the invention, in which the working device can be rotated horizontally relative to the chassis in the maneuvering mode and can be locked in at least two different rotational positions, is designed such that the chassis has two or more wheel axles, wherein
  • (a) the wheels of the individual wheel axles are provided with a bogie or axle steering; and
  • (b) the bogie or axle steering of the wheels of the individual wheel axles are connected to one another in such a way that the steering of the wheels of the wheel axles takes place synchronously with the steering geometry.
  • Eine weitere Ausführungsform des Fahrwerks nach der Erfindung, bei dem die Arbeitsvorrichtung im Rangierbetrieb relativ zum Fahrgestell horizontal drehbar und in wenigstens zwei unterschiedlichen Drehpositionen feststellbar ist, zeichnet sich dadurch aus, daß das Fahrgestell eine einzige Radachse aufweist, die starr oder lenkbar am Fahrgestell angebracht ist.Another embodiment of the chassis according to the invention, in which the working device in shunting mode relative horizontally rotatable to the chassis and in at least two different rotational positions can be determined is characterized in that the chassis has a single wheel axle has rigidly or steerably attached to the chassis is.

    In einer noch anderen Ausführungsform eines Fahrwerks nach der Erfindung, bei dem die Arbeitsvorrichtung im Rangierbetrieb relativ zum Fahrgestell horizontal verdrehbar und in wenigstens zwei unterschiedlichen Drehpositionen feststellbar ist, ist so ausgebildet, daß das Fahrgestell mehrere Radachsen aufweist, wobei eine Radachse oder mehrere oder alle Radachsen starr am Fahrgestell angebracht ist bzw. sind, wobei nichtstarre Radachsen lenksynchron gekoppelt oder unabhängig voneinander lenkbar sein können.In yet another embodiment of a chassis according to of the invention, in which the working device in shunting mode horizontally rotatable relative to the chassis and in at least two different rotational positions can be determined is designed so that the chassis has several wheel axles having one wheel axle or several or all wheel axles is or are rigidly attached to the chassis, wherein non-rigid wheel axles coupled synchronously or independently can be steerable from each other.

    In den Fällen, in denen zwei oder mehr Radachsen vorgesehen sind, die unabhängig voneinander lenkbar oder lenksynchron miteinander gekoppelt sind, kann gemäß der Erfindung vorgesehen sein, daß die Lenkung der Radachsen zeitweilig auskuppelbar ist, um gegebenenfalls im Rangierbetrieb besonders flexibel beim Rangieren sein zu können und/oder daß die Lenkung im Geradeausfahrzustand arretierbar ist.In cases where two or more wheel axles are provided are independently steerable or steering synchronous are coupled together, can be provided according to the invention be that the steering of the wheel axles can be temporarily disengaged is particularly flexible, if necessary in shunting mode to be able to maneuver and / or that the steering in Straight-ahead driving condition can be locked.

    Wie bereits weiter oben erwähnt, kann das Fahrwerk nach der Erfindung so ausgebildet sein, daß die Arbeitsvorrichtung im Rangierbetrieb relativ zum Fahrgestell horizontal durch einen Kraftantrieb innerhalb eines vorbestimmten Winkelbereichs verdrehbar und feststellbar ist, wobei es bei dieser Ausbildung bevorzugt wird, eine stufenlose Verdrehbarkeit und Feststellbarkeit vorzusehen. Es kann auch nur eine Verdrehbarkeit durch den Kraftantrieb vorgesehen sein, und die Feststellbarkeit (Arretierung und Entarretierung) kann durch eine oder mehrere gesonderte Arretierungs- und Entarretierungsvorrichtung(en) vorgesehen sein.As already mentioned above, the undercarriage can be adjusted according to the Invention be designed so that the working device in Shunting operation relative to the chassis horizontally by a Power drive within a predetermined angular range is rotatable and lockable, with this training is preferred, a stepless rotatability and lockability provided. There can also be only one rotatability be provided by the power drive, and the detectability (Locking and unlocking) can be done by one or several separate locking and unlocking device (s) be provided.

    Eine besonders kostengünstige und gleichzeitig die Rangierbarkeit wesentlich verbessernde Ausführungsform der Erfindung zeichnet sich dadurch aus, daß die horizontale Drehbarkeit des Bauhochkrans relativ zum Fahrgestell im Rangierbetrieb dadurch vorgesehen ist, daß eine im nichtaufgestellten Zustand des Bauhochkrans vorgesehene Dreharretierung zwischen Ober- und Unterwagen des Bauhochkrans lösbar ist und in zwei oder mehr Drehpositionen feststellbar ist, wobei bevorzugt die Dreharretierung wenigstens einen Verriegelungsbolzen umfaßt, der jeweils in miteinander fluchtende Öffnungen oder Ausnehmungen im Ober- und Unterwagen einsteckbar ist.A particularly inexpensive and at the same time maneuverability substantially improving embodiment of the invention is characterized in that the horizontal rotatability of the construction crane relative to the chassis in shunting mode it is provided that one in the non-installed state of the high-rise crane between the superstructure and undercarriage of the high-rise crane is detachable and is detectable in two or more rotational positions, with preference the rotation lock at least one locking bolt comprises, each in openings or aligned with each other Recesses in the superstructure and undercarriage can be inserted.

    Im einzelnen kann die Ausbildung dieser relativ einfachen und trotzdem hochwirksamen Ausführungsform so sein, daß die eine Öffnung in einer am Oberwagen vorgesehenen Hülse ausgebildet ist, die mit je einer aus einer Mehrzahl von Öffnungen oder Ausnehmungen im Unterwagen durch Verdrehen des Oberwagens relativ zum Unterwagen in Fluchtung bringbar ist. Der erwähnte Kraftantrieb kann eine Verstellvorrichtung, vorzugsweise zum Verdrehen eines oder des Oberwagens relativ zu einem oder dem Unterwagen umfassen, die vom Fahrgestell und/oder von einem Zugfahrzeug und/oder von einer sonstigen Position aus betätigbar und gegebenenfalls arretierbar ist.In particular, the training of these can be relatively simple and nevertheless highly effective embodiment so that the one Opening formed in a sleeve provided on the superstructure is with one of a plurality of openings or Recesses in the undercarriage by rotating the superstructure relative can be brought into alignment with the undercarriage. The one mentioned Power can be an adjusting device, preferably for Twisting one or the superstructure relative to one or that Include undercarriage by the chassis and / or by one Towing vehicle and / or operable from another position and can be locked if necessary.

    Der Kraftantrieb kann in vielfältiger Weise ausgebildet sein, insbesondere so, daß der Kraftantrieb einen Hydraulik-, Preßluft- oder Elektromotor und/oder eine Handkurbel umfaßt.The power drive can be designed in a variety of ways, especially so that the power drive is a hydraulic, compressed air or includes an electric motor and / or a hand crank.

    Wenn die Ausführungsform der Erfindung derart ist, daß Fahrgestell einachsig ist, gegebenenfalls mit zusätzlicher Vorderachse am Vorderteil der Arbeitsvorrichtung, dann wird es bevorzugt, daß das Fahrgestell ein einachsiger Sattelanhänger oder einachsiger Zentralanhänger ist, gegebenenfalls mit zusätzlich vorgesehener Vorderachse als Deichselanhänger.If the embodiment of the invention is such that chassis is uniaxial, possibly with an additional front axle on the front part of the working device, then it is preferred that the chassis is a uniaxial semitrailer or uniaxial central trailer, if necessary with additional provided front axle as a drawbar trailer.

    Hinsichtlich der Lenkung kann die Ausbildung des erfindungsgemäßen Fahrwerks so sein, daß zur Betätigung der Lenkung eine Hydraulikanlage mit Hydraulikzylinder, eine Preßluftanlage mit Preßluftzylinder, oder Gewindespindeln mit Antrieb durch Hydraulik, Preßluft- oder Elektromotor und/oder Handkurbel vorgesehen ist bzw. sind. With regard to the steering, the design of the invention Chassis be such that to operate the steering a Hydraulic system with hydraulic cylinder, a compressed air system with Compressed air cylinders or threaded spindles driven by hydraulics, Compressed air or electric motor and / or hand crank provided is or are.

    Zur Ansteuerung der Lenkung kann eine Handsteuerventilanordnung, eine Kabelfernsteuerung und/oder eine Funkfernsteuerung vorgesehen sein. Wenn alle drei genannten Arten der Ansteuerung vorgesehen sind, dann läßt sich die Lenkung sowohl vom Fahrgestell aus (Handsteuerventilanordnung) als auch entfernt neben dem Fahrgestell stehend (Kabelfernsteuerung) oder vom Zugfahrzeug aus (Funkfernsteuerung) ansteuern.To control the steering, a manual control valve arrangement, a cable remote control and / or a radio remote control be provided. If all three types of control mentioned are provided, then the steering can both from the chassis from (manual control valve arrangement) as well as removed beside standing on the chassis (remote control) or from the towing vehicle control (radio remote control).

    Nimmt man gewisse Einschränkungen in Kauf, so kann die Ansteuerung der Lenkung auch so ausgebildet sein, daß die Lenkung durch Gestänge oder Seilzüge von einer Sattelkupplung oder einem Zugrohr, die bzw. das im vorderen Teil der Arbeitsvorrichtung angebracht ist, ansteuerbar ist. Eine solche Ausführung ist jedoch relativ aufwendig und hat eine Zwangslenkung zur Folge, so daß also keine unabhängige Lenkung möglich ist, kann aber in gewissen Fällen akzeptabel sein.If you accept certain restrictions, the control can the steering can also be designed so that the steering by linkage or cables from a fifth wheel or a Draw tube in the front part of the working device is attached, can be controlled. Such an execution is however relatively complex and has a forced steering Consequence, so that independent steering is not possible but be acceptable in certain cases.

    In bestimmten Fällen, in denen das Fahrgestell mehrachsig, insbesondere zwei- oder dreiachsig ist, kann die Ausbildung auch so sein, daß das Fahrgestell ein mehrachsiger Sattelanhänger-Hänger oder Starrdeichselanhänger ist, gegebenenfalls jeweils mit zusätzlicher Vorderachse als Deichselanhänger ausgeführt. Außerdem sei darauf hingewiesen, daß vorzugsweise die Federung der Radachse(n) eine Blattfederung oder Luftfederung ist, vorzugsweise bei mehrachsigen Fahrgestellen als eine Blattfederung mit Wippe als Wegeausgleich oder eine Luftfederung mit Wegeausgleich durch die Luftfederung ausgebildet ist.In certain cases where the chassis is multi-axis, in particular training is biaxial or triaxial be such that the chassis is a multi-axle semi-trailer or rigid drawbar trailer, if applicable with additional front axle designed as a drawbar trailer. It should also be noted that preferably the suspension the wheel axle (s) is a leaf suspension or air suspension, preferably in multi-axle chassis as a leaf suspension with rocker as path compensation or air suspension with path compensation is formed by the air suspension.

    Schließlich erscheint es wichtig, darauf hinzuweisen, daß in den Fällen, in denen, wie das bei Bauhochkränen üblich ist, eine Abstützung mit hydraulischen Abstützzylindern für die Aufstellung der Arbeitsvorrichtung, also vorliegend des Bauhochkrans, vorgesehen ist, vorzugsweise für die Betätigung der Abstützung ein an das Zweiphasen- oder Dreiphasenstromnetz anschließbares und/oder ein für Batteriebetrieb ausgelegtes Betätigungsaggregat vorgesehen ist, wobei vorzugsweise eine Umschaltung auf das Lenkungsaggregat als Notbetriebsmöglichkeit vorhanden ist, wobei bevorzugt für die hydraulischen Abstützzylinder außer hydraulischen Sperrventilen eine zusätzliche mechanische Sicherung gegen unbeabsichtige Verstellung der Abstützzylinder vorgesehen ist, und die Ausbildung ganz besonders bevorzugt so ist, daß die hydraulischen Abstützzylinder mit einer, vorzugsweise automatischen, Niveauausgleichseinrichtung versehen und ansteuerbar sind, die insbesondere einen seitlichen Niveauausgleich ermöglicht.Finally, it seems important to point out that in the cases in which, as is customary with high-rise construction cranes, one Support with hydraulic support cylinders for installation the working device, in the present case the construction crane, is provided, preferably for the actuation of the support a connectable to the two-phase or three-phase power network and / or an actuating unit designed for battery operation is provided, preferably a switchover on the steering unit as an emergency operating option is present, preferably for the hydraulic support cylinders in addition to hydraulic check valves, an additional mechanical one Protection against unintentional adjustment of the support cylinders is provided, and training very special is preferably such that the hydraulic support cylinders with a preferably automatic, level compensation device are provided and controllable, in particular a side Level compensation enabled.

    Die vorstehenden sowie weitere Vorteile und Merkmale der Erfindung werden nachfolgend anhand einiger besonders bevorzugter Ausführungsformen von erfindungsgemäßen Fahrwerken mit darauf montiertem untendrehendem Bauhochkran näher beschrieben und erläutert, wobei es sich versteht, daß anstelle des untendrehenden Bauhochkrans auch eine andere weitausladende Arbeitsvorrichtung, beispielsweise eine Raketenabschußrampe vorgesehen sein kann, gegebenenfalls mit einer gleichartigen oder ähnlichen Drehvorrichtung, wie es die Drehvorrichtung eines untendrehenden Bauhochkrans ist, d.h. umfassend einen Oberwagen, einen Unterwagen und einen zwischen beiden liegenden Zahnkranz, wobei dann die eigentliche Arbeitsvorrichtung auf dem Oberwagen montiert ist; es zeigen:

    Figur 1
    eine Seitenaufrißansicht einer Ausführungsform eines Fahrwerks nach der Erfindung mit einem darauf montierten untendrehenden Bauhochkran;
    Figur 2
    eine Draufsicht auf die Ausführungsform des Fahrwerks des Bauhochkrans der Figur 1;
    Figur 3
    eine perspektivische Teilansicht von einer der bevorzugt mehreren Arretierungs- und Entarretierungsvorrichtungen, die bei dem Fahrgestell mit Bauhochkran gemäß der Figur 1 zwischen Ober- und Unterwagen vorgesehen sein kann bzw. können und es ermöglichen, den Bauhochkran relativ zu dem Fahrgestell in mehrere Drehpositionen zu verdrehen und in jeder dieser Positionen zu arretieren und zu entarretieren;
    Figur 4
    eine Seitenansicht von zwei Arretierungs- und Entarretierungsvorrichtungen der in Figur 3 gezeigten Art;
    Figur 5
    einen Schnitt längs der Linie A-A der Figur 4;
    Figur 6
    eine Seitenansicht einer Ausführungsform der Erfindung mit einer einzigen Radachse am Fahrgestell und mit Arretierungs- und Entarretierungsvorrichtungen der in den Figuren 3, 4 und 5 gezeigten Art;
    Figur 7
    eine Draufsicht auf die Ausführungsform gemäß der Figur 6, wobei aus Darstellungsgründen Teile des Krans weggelassen sind;
    Figur 8
    eine der Figur 6 entsprechenden Seitenaufrißansicht einer anderen Ausführungsform, in der das Fahrgestell zwei unabhängig voneinander lenkbare Radachsen besitzt und wobei gegebenenfalls Arretierungs- und Entarretierungsvorrichtungen der in den Figuren 3, 4 und 5 gezeigten Art vorgesehen sind;
    Figur 9
    eine Draufsicht auf die Ausführungsform der Figur 8, die der Darstellungsweise der Figur 7 entspricht;
    Figur 10
    eine Seitenaufrißansicht einer noch anderen Ausführungsform der Erfindung, bei welcher das Fahrgestell mit drei lenksynchron miteinander verbundenen Radachsen ausgerüstet ist;
    Figur 11
    eine der Figur 7 entsprechende Draufsicht auf die Ausführungsform der Figur 10, welche die lenksynchrone Verstellbarkeit der Radachsen veranschaulicht;
    Figur 12
    eine Seitenansicht des Aufbaus einer Doppelwippe quer zur Fahrtrichtung; und
    Figur 13
    eine Seitenansicht des Aufbaus der Doppelwippe der Fig. 12 in Fahrtrichtung.
    The foregoing and other advantages and features of the invention are described and explained in more detail below with the aid of some particularly preferred embodiments of undercarriages according to the invention with a non-rotating high-rise construction crane mounted thereon, it being understood that, instead of the non-rotating high-rise construction crane, another far-reaching working device, for example a rocket launching ramp, may also be provided can, optionally with a similar or similar turning device as is the turning device of a low-revolving high-rise construction crane, ie comprising an uppercarriage, an undercarriage and a sprocket lying between the two, the actual working device then being mounted on the uppercarriage; show it:
    Figure 1
    a side elevation view of an embodiment of a trolley according to the invention with a non-rotating building crane mounted thereon;
    Figure 2
    a plan view of the embodiment of the chassis of the construction crane of Figure 1;
    Figure 3
    a partial perspective view of one of the preferably several locking and unlocking devices, which can or can be provided in the chassis with high construction crane according to Figure 1 between the upper and lower carriage and make it possible to rotate the high construction crane relative to the chassis in several rotational positions and lock and unlock in each of these positions;
    Figure 4
    a side view of two locking and unlocking devices of the type shown in Figure 3;
    Figure 5
    a section along the line AA of Figure 4;
    Figure 6
    a side view of an embodiment of the invention with a single wheel axle on the chassis and with locking and unlocking devices of the type shown in Figures 3, 4 and 5;
    Figure 7
    a plan view of the embodiment of Figure 6, parts of the crane are omitted for the sake of illustration;
    Figure 8
    FIG. 6 shows a side elevation view corresponding to FIG. 6 of another embodiment, in which the chassis has two independently steerable wheel axles and optionally locking and unlocking devices of the type shown in FIGS. 3, 4 and 5 are provided;
    Figure 9
    a plan view of the embodiment of Figure 8, which corresponds to the representation of Figure 7;
    Figure 10
    a side elevation of yet another embodiment of the invention, in which the chassis is equipped with three axially synchronously connected wheel axles;
    Figure 11
    7 shows a plan view corresponding to FIG. 7 of the embodiment of FIG. 10, which illustrates the steerability of the wheel axles in synchronism with the steering;
    Figure 12
    a side view of the construction of a double rocker transverse to the direction of travel; and
    Figure 13
    a side view of the construction of the double rocker of Fig. 12 in the direction of travel.

    Der in Figur 1 insgesamt dargestellte Bauhochkran 1, der in der vorliegenden Ausführungsform als untendrehender Baukran ausgeführt ist, ist mit einem daran angebauten Fahrwerk 2 versehen, das ein Fahrgestell 15 mit einer Doppel- oder Tandem-achse besitzt, die eine erste Achse 3 und eine zweite Achse 4 umfaßt, wobei die erste Achse 3 in der zusammengelegten Konfiguration des Bauhochkrans 1 gemäß der Figur 1 die vordere Achse bildet und die zweite Achse 4 die hintere Achse bildet. Das Fahrwerk weist weiterhin eine gesondert von dem Fahrgestell 15 ausgebildete Zugeinrichtung 28 auf, welche an dem Kran 1 oder einer anderen Arbeitsvorrichtung befestigt und an ein Zugfahrzeug ankuppelbar ist.The construction crane 1 shown overall in FIG. 1, which in the present embodiment executed as a non-rotating construction crane is provided with a chassis 2 attached to it, which has a chassis 15 with a double or tandem axle, which comprises a first axis 3 and a second axis 4, the first axis 3 in the collapsed configuration of the high-rise crane 1 according to FIG. 1 forms the front axis and the second axis 4 forms the rear axis. The chassis also has a separately formed from the chassis 15 Traction device 28, which on the crane 1 or another Fastened working device and can be coupled to a towing vehicle is.

    Das Fahrgestell 15 ist mittels einer Wippe 5 am Bauhochkran 1 befestigt, die Bolzen 60 (siehe Figur 2) hat. Der Bauhochkran 1 weist in einer für untendrehende Baukräne üblichen Weise einen Unterwagen 6, einen Drehkranz 7 und einen Oberwagen 8 auf, wobei an dem Oberwagen der Kranturm 9 und der Kranausleger 10 angebracht sind. Vorliegend besteht der Kranturm 9 aus einem unteren Kranturmabschnitt 9a und einem oberen Kranturmabschnitt 9b, und der Kranausleger 10 umfaßt einen inneren Kranauslegerabschnitt 10a und einen äußeren Kranauslegerabschnitt 10b. Die übrigen Teile des Bauhochkrans 1 sind, sofern sie weiter unten nicht genannt werden, übliche Teile und Ausrüstungen eines untendrehenden Baukrans.The chassis 15 is on the construction crane 1 by means of a rocker 5 attached, the bolt 60 (see Figure 2). The construction crane 1 has one in a usual way for non-rotating construction cranes Undercarriage 6, a slewing ring 7 and an uppercarriage 8, wherein attached to the superstructure of the crane tower 9 and the crane boom 10 are. In the present case, the crane tower 9 consists of a lower one Crane tower section 9a and an upper crane tower section 9b, and the boom 10 includes an inner boom section 10a and an outer crane boom section 10b. The remaining parts of the construction crane 1 are, provided they continue not mentioned below, common parts and equipment of a non-rotating construction crane.

    Die erste Achse 3 und die zweite Achse 4 des Fahrwerks 2 sind je als Lenkachse ausgeführt, wozu in der vorliegenden Ausführungsform die mit Bereifung versehenen Räder 11, nämlich sowohl die Räder 11a der ersten Achse 3 als auch die Räder 11b der zweiten Achse 4 mit einer Drehgestell-Lenkung versehen sind. Jede Drehgestell-Lenkung umfaßt, wie insbesondere aus den Figuren 1 und 2 ersichtlich ist, ein Drehgestell 12, an dem die Achse 3 bzw. 4 über Blattfedern 13 angebracht ist, sowie einen Lenkkranz 14, der vorliegend als Kugellenkkranz ausgebildet ist und über den das zugehörige Drehgestell 12 am Fahrgestell 15 des Fahrwerks 2 befestigt ist. Jedes der beiden Drehgestelle 12 ist mit je einer Verbindungs- und Versteifungskonstruktion 16 bzw. 17 versehen, und diese beiden Verbindungs- und Versteifungskonstruktionen 16 und 17 sind durch eine Kraftübertragung 18, die vorliegend als Lenkstange ausgeführt ist, über Gelenke 18a bzw. 18b miteinander zu einer lenkgeometrisch synchronen Lenkbewegung miteinander verbunden.The first axis 3 and the second axis 4 of the chassis 2 are each designed as a steering axle, for which purpose in the present embodiment the wheels 11 with tires, namely both the wheels 11a of the first axle 3 as well as the wheels 11b of the second axis 4 are provided with a bogie steering. Each bogie steering includes, as in particular from the figures 1 and 2 can be seen, a bogie 12 on which the Axis 3 or 4 is attached via leaf springs 13, and a Steering ring 14, which is designed here as a ball steering ring and via which the associated bogie 12 on the chassis 15 the chassis 2 is attached. Each of the two bogies 12 is with a connection and stiffening construction 16 or 17, and these two connecting and stiffening structures 16 and 17 are by power transmission 18, which is designed here as a handlebar, via joints 18a and 18b synchronously with one another to form a steering geometry Steering movement linked together.

    Die Lenkung ist hydraulisch betätigbar, und zwar mittels eines Lenk- bzw. Hydraulikzylinders 19 (in Figur 2 gestrichelt angedeutet), der über ein erstes Gelenk 20a am Fahrgestell 15 und über ein zweites Gelenk 20b an der einen 16 der beiden Verbindungs- und Versteifungskonstruktionen 16, 17 angebracht ist. Dieser Lenk- bzw. Hydraulikzylinder 19 wird von einem am Fahrgestell 15 angebrachten Hydraulikaggregat 58 versorgt und ist mittels einer Lenkungs- bzw. Fernsteuerung 23, beispielsweise über Bowdenzug oder über elektrische Kabel, steuerbar. Die nicht gezeigte Pumpe des Hydraulikaggregats 58 wird von Fahrzeugbatterien 24, beispielsweise von zwei 12-Volt-Fahrzeugbatterien, mit elektrischem Strom versorgt. Wenn sich der Bauhochkran im Arbeitseinsatz befindet und somit an die Baustellen-Stromquelle angeschlossen ist, werden die Fahrzeugbatterien 24 durch ein montiertes Ladegerät aufgeladen. Mit 21 ist ein Druckluftbehälter für die Bremsanlage bezeichnet.The steering can be operated hydraulically, by means of a Steering or hydraulic cylinder 19 (indicated by dashed lines in FIG. 2), which has a first joint 20a on the chassis 15 and via a second joint 20b on one 16 of the two connection and stiffening structures 16, 17 is attached. This steering or hydraulic cylinder 19 is on the chassis 15 attached hydraulic unit 58 supplied and is by means of a steering or remote control 23, for example Controllable via Bowden cable or via electrical cables. The Pump, not shown, of the hydraulic unit 58 is powered by vehicle batteries 24, for example of two 12 volt vehicle batteries, supplied with electrical power. If the construction crane is in work and thus to the construction site power source is connected, the vehicle batteries 24 charged by a mounted charger. At 21 is one Compressed air tank for the brake system called.

    Durch den vorstehenden Aufbau sind die erste und zweite Achse 3 bzw. 4 lenkgeometrisch synchron verstellbar, und mit Hilfe dieser Lenkung wird im Zusammenwirken damit, daß ein horizontales Verdrehen des Bauhochkrans 1 gegenüber dem Fahrgestell 15 und ein Arretieren desselben in verschiedenen Verdrehungspositionen im Rangierbetrieb vorgesehen ist, ein ausgezeichnetes Rangieren des erfindungsgemäßen Fahrwerks an der Baustelle ermöglicht, insbesondere kann ein leichtes Einrangieren in enge bis engste Baustellen-Einfahrten bewerkstelligt werden.With the above structure, the first and second axes are 3rd or 4 steering geometry synchronously adjustable, and with the help of this Steering is associated with being horizontal Rotating the construction crane 1 relative to the chassis 15 and locking the same in different rotational positions excellent shunting is provided in the shunting operation of the chassis according to the invention at the construction site, in particular, easy shuffling into narrow to narrowest Construction site entrances.

    Es sei nun anhand der Figuren 3, 4 und 5 eine bevorzugte Ausführungsform einer Arretierungs- und Entarretierungsvorrichtung zum Einstellen des Bauhochkrans 1 in unterschiedliche horizontale Drehpositionen relativ zum Fahrgestell 15 näher erläutert, wobei die Drehverstellung zwischen verschiedenen Positionen im einfachsten Fall mittels des Zugfahrzeugs erfolgt, das an die Zugeinrichtung 28 (siehe Figur 1) angekuppelt ist.It is now a preferred embodiment based on Figures 3, 4 and 5 a locking and unlocking device to adjust the construction crane 1 in different horizontal Rotational positions relative to the chassis 15 explained in more detail, the rotary adjustment between different positions in the simplest case is done by means of the towing vehicle, which to the Traction device 28 (see Figure 1) is coupled.

    Die insgesamt mit 100 bezeichnete Arretierungs- und Entarretierungsvorrichtung umfaßt einen Verriegelungsbolzen 101, der in einer am Oberwagen 8 angebrachten Verriegelungsbolzenhalterung 102 vertikal verschieblich gelagert ist und wahlweise in eine von mehreren Öffnungen 103, nämlich 103a, 103b oder 103c, einsteckbar ist, die im Unterwagen 6 so vorgesehen sind, daß sich verschiedene Drehpositionen des Oberwagens 8 relativ zu dem Unterwagen 6 einstellen lassen. Zu diesem Zweck braucht der Verriegelungsbolzen 101 nur jeweils an dem Handgriff und gleichzeitigen Anschlag 104 hochgezogen zu werden, um die Verdrehbarkeit zwischen Ober- und Unterwagen durch Entarretieren freizugeben, wonach die Drehposition mittels des Zugfahrzeugs geändert wird, bis eine andere der Öffnungen 103a, 103b oder 103c mit dem Verriegelungsbolzen 101 fluchtet. Danach wird der Verriegelungsbolzen 101 wieder abgesenkt und in die betreffende Öffnung hineingesteckt, bis der Handgriff und Anschlag 104 auf der Oberseite der Verriegelungsbolzenhalterung 102 aufliegt.The locking and unlocking device, designated as a whole by 100 comprises a locking bolt 101 which in a locking bolt holder attached to the superstructure 8 102 is vertically displaceable and optionally in one of several openings 103, namely 103a, 103b or 103c, can be inserted is that are provided in the undercarriage 6 so that different rotational positions of the upper carriage 8 relative to the lower carriage 6 have it set. The locking bolt is required for this purpose 101 only on the handle and simultaneous Stop 104 to be pulled up to the rotatability release between the upper and lower carriage by unlocking, after which the rotational position is changed by means of the towing vehicle until another one of the openings 103a, 103b or 103c aligned with the locking bolt 101. Then the locking bolt 101 lowered again and into the concerned Insert the opening until the handle and stop 104 open the top of the locking bolt holder 102 rests.

    Der Verriegelungsbolzen 101 kann mit einer (nicht gezeigten) Einrast- oder sonstigen Haltevorrichtung versehen sein, damit er in der in Figur 3 gezeigten oberen Position während des Verdrehens bleibt, oder er kann ganz herausgezogen werden und dann wieder in seine, vorliegend zylinderförmige, Hülse oder Öffnung 105 in der Verriegelungsbolzenhalterung 102 gesteckt werden.The locking bolt 101 can be fitted with a (not shown) Snap or other holding device provided he in the upper position shown in Figure 3 during twisting remains, or it can be pulled out completely and then back into its, in the present case cylindrical, sleeve or opening 105 are inserted into the locking bolt holder 102.

    Die vertikale Arretierungs- und Entarretierungsbewegung des Verriegelungsbolzens 101 ist durch den Doppelpfeil 106 angedeutet, und die relative Verdrehbewegung zwischen Unter- und Oberwagen 6 bzw. 8 wird durch den Doppelpfeil 107 repräsentiert.The vertical locking and unlocking movement of the Locking bolt 101 is indicated by the double arrow 106, and the relative torsional movement between the undercarriage and the uppercarriage 6 and 8 is represented by the double arrow 107.

    Selbstverständlich ist die Erfindung nicht auf diese Ausführung beschränkt, sondern es können die verschiedensten Arretierungsund Entarretierungsvorrichtungen verwendet werden, und vorzugsweise sind jeweils mehrere einzelne Arretierungs- und Entarretierungsvorrichtungen 100 der in Figur 3 gezeigten oder einer anderen Art vorgesehen, wie die Figuren 1, 4 und 5 veranschaulichen, wobei in den Figuren 1 und 4 der Zahn- bzw. Drehkranz 7 mit veranschaulicht ist, der in Figur 3 aus Darstellungsgründen weggelassen worden ist.Of course, the invention is not based on this embodiment limited, but there can be a wide variety of locking and Unlocking devices are used, and preferably are several individual locking and unlocking devices 100 of the shown in Figure 3 or one provided another type, as illustrated in Figures 1, 4 and 5, wherein in Figures 1 and 4, the ring gear or slewing ring 7th is illustrated with that in Figure 3 for reasons of illustration has been omitted.

    Außerdem zeigt die Figur 4 den Motor 108, der zum normalen Verdrehen des Krans im aufgestellten Zustand vorgesehen ist, wobei in Figur 5 das mit dem Dreh- bzw. Zahnkranz 7 kämmende Ritzel 109 angedeutet ist, das auf der Welle des Motors 108 angebracht ist. Der Motor 108 wäre jedoch, wie weiter oben schon ausgeführt, viel zu ungenau für die Rangierverstellung und ist ausschließlich zum Verdrehen des Krans im aufgestellten Zustand vorgesehen, wozu er an ein Drehstromnetz angeschlossen werden muß.FIG. 4 also shows the motor 108, which is used for normal rotation the crane is provided in the erected state, wherein in Figure 5, the pinion meshing with the rotating or toothed ring 7 109 is indicated, which is attached to the shaft of the motor 108 is. However, as already explained above, the motor 108 would be far too imprecise for the shunting adjustment and is exclusive for turning the crane in the erected state provided for which he can be connected to a three-phase network got to.

    Anstelle daß das relative Verdrehen zwischen Unter- und Oberwagen 6 bzw. 8 mittels des Zugfahrzeugs erfolgt, kann auch eine Verstellvorrichtung zum Verdrehen des Oberwagens 8 relativ zum Unterwagen 6 vorgesehen sind, und zwar entweder zusätzlich zu Arretierungs- und Entarretierungsvorrichtung(en), wie z.B. 100, wie beispielsweise eine Handkurbel, oder, wenn die Verstellvorrichtung als solche arretierbar und entarretierbar ist, anstelle der Arretierungs- und Entarretierungsvorrichtung(en) oder zusätzlich dazu. Die Verstellvorrichtung kann beispielsweise von einem oder mehreren Hydraulikzylindern gebildet sein, der bzw. die zwischen Unter- und Oberwagen 6 bzw. 8 gelenkig angebracht ist bzw. sind und der bzw. die durch ein jeweiliges Sperrventil im Hydraulikweg arretier- und entarretierbar ist bzw. sind. Natürlich können auch andere Verstellvorrichtungen, beispielsweise solche, die durch Druckluft betätigbar sind oder durch einen Elektromotor mit Batteriebetrieb angetrieben sind, vorgesehen sein.Instead of the relative twisting between undercarriage and superstructure 6 or 8 by means of the towing vehicle, one can also Adjustment device for rotating the superstructure 8 relative to Undercarriage 6 are provided, either in addition to Locking and unlocking device (s), e.g. 100 such as a hand crank, or when the adjustment device as such can be locked and unlocked instead the locking and unlocking device (s) or Additionally. The adjustment device can, for example be formed by one or more hydraulic cylinders, the or the articulated between undercarriage and superstructure 6 and 8 is or are and which by a respective Check valve in the hydraulic path can be locked and unlocked or are. Of course, other adjustment devices, for example those that can be actuated by compressed air or are powered by an electric motor with battery operation, be provided.

    Die Figuren 6 bis 11 zeigen drei verschiedene Ausführungsformen des Fahrgestells mit unterschiedlichen Radachsen und unterschiedlicher Lenkung dieser Radachsen:

  • (a) So ist in den Figuren 6 und 7 ein Fahrgestell 15 gezeigt, das nur eine einzige Radachse 110 besitzt, die, wie durch die beiden Positionen dieser Radachse 110 und der zugehörigen Räder 111 veranschaulicht ist, lenkbar ausgebildet ist, wobei die Lenkung gegebenenfalls für besondere Rangiersituationen ausgekuppelt werden kann. Die Lenkbarkeit der Radachse 110 ist durch den Doppelpfeil 112 angedeutet. In einer anderen Ausführungsform kann diese Radachse 110 starr, d.h. nichtlenkbar sein.
  • (b) In den Figuren 8 und 9 ist ein Fahrgestell 15 gezeigt, das zwei unabhängig voneinander lenkbare Radachsen 113 und 114 mit Rädern 115 hat, wobei auch hier die Lenkung der Radachsen 113 und 114 so ausgebildet sein kann, daß sie für bestimmte Rangiersituationen auskuppelbar ist.
  • (c) Schließlich ist in den Figuren 10 und 11 ein Fahrgestell 15 gezeigt, das drei lenkbare Radachsen 116, 117 und 118 mit Rädern 119 aufweist. Diese Achsen sind, beispielsweise in der für die Radachsen 3 und 4 oben beschriebenen Weise, so gekuppelt, daß sie lenksynchron verstellbar sind, wie in Figur 11 durch die beiden Achsenstellungen und den Doppelpfeil 120 veranschaulicht ist. Gegebenenfalls kann die Ausbildung hier auch so sein, daß die Lenkung für bestimmte Situationen des Rangierens auskuppelbar ist.
  • Figures 6 to 11 show three different embodiments of the chassis with different wheel axles and different steering of these wheel axles:
  • (a) A chassis 15 is shown in FIGS. 6 and 7, which has only a single wheel axle 110 which, as illustrated by the two positions of this wheel axle 110 and the associated wheels 111, is designed to be steerable, the steering possibly can be disengaged for special shunting situations. The steerability of the wheel axle 110 is indicated by the double arrow 112. In another embodiment, this wheel axle 110 can be rigid, ie non-steerable.
  • (b) A chassis 15 is shown in FIGS. 8 and 9, which has two independently steerable wheel axles 113 and 114 with wheels 115, the steering of the wheel axles 113 and 114 also being able to be disengaged for certain maneuvering situations is.
  • (c) Finally, FIGS. 10 and 11 show a chassis 15 which has three steerable wheel axles 116, 117 and 118 with wheels 119. These axles are coupled, for example in the manner described above for the wheel axles 3 and 4, in such a way that they can be adjusted in synchronism with the steering, as illustrated in FIG. 11 by the two axle positions and the double arrow 120. If necessary, the training can also be such that the steering can be disengaged for certain situations of maneuvering.
  • Im übrigen wird zur Erläuterung der Figuren 6 bis 11 auf die detaillierte Beschreibung der Figuren 1 bis 5 verwiesen. Es sei lediglich noch darauf hingewiesen, daß in den Figuren 6 bis 11 anstelle des mit einer Platte abstützbaren Stützfußes der Figur 1 ein Stützfuß 38 mit einem Rad 38a am Kranturm 9 vorgesehen ist, der aber auch durch einen Stützfuß 38 der Figur 1 ersetzt werden kann.Incidentally, to explain the figures 6 to 11 on the detailed description of Figures 1 to 5 referenced. It is merely pointed out that in FIGS. 6 to 11 instead of the support foot of the figure that can be supported with a plate 1, a support leg 38 with a wheel 38a is provided on the crane tower 9 is, but which is also replaced by a support foot 38 of Figure 1 can be.

    Weiterhin versteht es sich für den Fachmann, daß die Radachsen in den einzelnen Ausführungsformen für den Transport über Land in der Geradeausfahrposition feststellbar sind.Furthermore, it is understood by those skilled in the art that the wheel axles in the individual embodiments for overland transport are noticeable in the straight ahead driving position.

    Endlich sei noch darauf hingewiesen, daß, obwohl in der Ausführungsform der Figuren 8 und 9 zur maximalen Rangierbarkeit Arretierungs- und Entarretierungsvorrichtungen 100 vorgesehen sind, diese Vorrichtungen auch gegebenenfalls im Hinblick darauf weggelassen werden können, daß die unabhängig voneinander lenkbaren Radachsen 113 und 114 schon eine ausgezeichnete Rangierbarkeit ermöglichen.Finally, it should be noted that, although in the embodiment 8 and 9 for maximum maneuverability and unlocking devices 100 are provided are, these devices, if necessary, with a view to this can be omitted that independently steerable wheel axles 113 and 114 already excellent maneuverability enable.

    So ist die Lenkeinrichtung, wie in Figur 2 gezeigt, z.B. vorliegend für den Krantransport auf der Straße, in der Geradeausfahrposition durch eine Arretierung 62 (siehe Figur 2) arretierbar, und zwar in der dargestellten Ausführungsform durch einen Sicherungsbolzen 25 (siehe Figur 1), der in zwei miteinander fluchtende Hülsen 26 und 27 einsteckbar ist, von denen die eine Hülse 26 am Fahrgestell 15 und die andere Hülse 27 an dem einen der beiden Drehgestelle 12a, 12b fest angebracht ist, so daß bei eingefügtem Sicherungsbolzen 25 beide über die Kraftübertragung 18 miteinander zwangsgekoppelten Drehgestelle, die zusammenfassend mit 12 bezeichnet werden, in der Geradeausfahrposition arretiert sind. Thus, as shown in Figure 2, the steering device is e.g. present for crane transport on the road, in the straight-ahead driving position can be locked by a lock 62 (see FIG. 2), namely in the illustrated embodiment by a securing bolt 25 (see Figure 1) in two with each other aligned sleeves 26 and 27 can be inserted, of which one sleeve 26 on the chassis 15 and the other sleeve 27 one of the two bogies 12a, 12b is firmly attached, so that when the securing bolt 25 is inserted both over the Power transmission 18 bogies positively coupled to each other, which are collectively designated 12 in the straight-ahead driving position are locked.

    Die Zugeinrichtung 28 (siehe insbesondere Figur 1) bildet einen vom Fahrgestell 15 gesonderten Teil des Fahrwerks 2 und ist insgesamt am Bauhochkran 1, vorliegend am unteren Kranturmabschnitt 9a, angebracht und durch denselben mit dem Fahrwerk 2 verbunden. Wenn anstelle des Krans 1 eine andere, ähnlich weit ausladende Arbeitsvorrichtung, wie beispielsweise eine extrem lange Feuerwehrleiter, ein Langrohrgeschütz, eine Raketenabschußrampe oder dgl. mit dem erfindungsgemäßen Fahrwerk 2 ausgerüstet ist, dann ist auch hier die Zugeinrichtung an dem in Transportfahrtrichtung vorderen Endbereich der Arbeitsvorrichtung angebracht, und die Arbeitsvorrichtung bildet ebenso wie vorliegend der Kran 1 funktionell einen Teil des gesamten "Fahrgestells", indem sie die Zugeinrichtung mit dem Fahrwerk 2 bzw. dessen Fahrgestell 15 verbindet.The traction device 28 (see in particular FIG. 1) forms one part of the chassis 2 and is separate from the chassis 15 overall on the high-rise crane 1, in the present case on the lower section of the crane tower 9a, attached and by the same to the chassis 2 connected. If instead of crane 1 another, similarly wide sweeping work device, such as an extreme long fire ladder, a long-barrel gun, a rocket launcher or the like. Equipped with the undercarriage 2 according to the invention then the draw gear on the in Direction of transport in the front end region of the working device attached, and the working device forms as well In the present case, the crane 1 functions part of the total "Chassis" by connecting the traction device with the chassis 2 or its chassis 15 connects.

    Die Zugeinrichtung 28 besteht in der vorliegenden Ausführungsform im wesentlichen aus einem Führungsrohr 42, einem Zugrohr 29, einer Schleifplatte 30 und einem Sattelzapfen 31. Das Zugrohr 29 ist mittels des Führungsrohrs 42 zu einer Ein- und Ausschiebebewegung geführt, wie in Figur 1 dargestellt ist, wo das Zugrohr 29 durch strichpunktierte Linien in der herausgeschobenen Position und durch ausgezogene Linien in der eingeschobenen Position dargestellt ist. Am vorderen Ende des Zugrohrs 29 befindet sich eine Zugöse 32, die am Zugrohr 29 angeschraubt ist, so daß die Arbeitsvorrichtung 1, in der vorliegend bevorzugten Ausführungsform, also der gezeigte Bauhochkran, über die Zugöse 32 mit der Bolzenkupplung eines Lastkraftwagens verbunden werden kann. Das Zugrohr 29 ist an dem Führungsrohr 42 arretierbar, und zwar vorliegend mittels zweier Steckbolzen 33; und das Führungsrohr 42 ist über Befestigungsplatten 63 an der Arbeitsvorrichtung 1, vorliegend am Kranturmabschnitt 9a, befestigt.The pulling device 28 is in the present embodiment essentially from a guide tube 42, a draw tube 29, a sanding plate 30 and a saddle pin 31. The draw tube 29 is by means of the guide tube 42 to an input and Extending movement performed, as shown in Figure 1, where the draw tube 29 by dash-dotted lines in the pushed out Position and by solid lines in the inserted Position is shown. At the front end of the draw tube 29 there is a drawbar eye 32 which is screwed onto the draw tube 29 is so that the working device 1 in the present preferred embodiment, that is the construction crane shown, via the towing eye 32 with the pin coupling of a truck can be connected. The pull tube 29 is on the Guide tube 42 can be locked, in this case by means of two Socket pin 33; and the guide tube 42 is over mounting plates 63 on the working device 1, in the present case on the crane tower section 9a.

    Unter dem Führungsrohr 28 ist die Schleifplatte 30 befestigt, beispielsweise durch Anschweißen, und an dieser Schleifplatte 30 ist der Sattelzapfen 31 angebracht, beispielsweise angeschraubt, so daß die Arbeitsvorrichtung 1 dadurch mit der Sattelkupplung an einem Lastkraftwagen oder einem Sattelschlepper verbunden werden kann, nachdem das Zugrohr 29 in die eingeschobene Position gebracht und in dieser mittels der Steckbolzen 33 arretiert worden ist.The grinding plate 30 is fastened under the guide tube 28, for example by welding, and on this grinding plate 30 the saddle pin 31 is attached, for example screwed on, so that the working device 1 thereby with the fifth wheel on a truck or semi-trailer can be connected after the draw tube 29 is inserted into the Positioned and in this by means of the plug pin 33rd has been arrested.

    Die Abstützung der Arbeitsvorrichtung 1, vorliegend des Bauhochkrans, erfolgt mittels Abstützfüßen 36, von denen, wie die Figur 5 zeigt, vier in zentralsymmetrischer Anordnung vorgesehen sind, wobei dieselben vorzugsweise als Hydraulik-Abstützfüße ausgebildet sind, die durch ein Hydraulikaggregat 22 versorgt werden (siehe Figur 2). Diese ermöglichen - im Gegensatz zu den herkömmlichen mechanischen Abstützspindeln - ein schnelles und mittels einer elektronischen Nivelliereinrichtung (nicht gezeigt) automatisches Ausnivellieren und Aufstellen der Arbeitsvorrichtung 1, wie des Bauhochkrans, ohne großen Kraftaufwand durch nur eine einzige Bedienungsperson, insbesondere eine flexible Montage und Demontage auf schwierigstem Gelände bzw. Baugelände.The support of the working device 1, in the present case the construction crane, takes place by means of support feet 36, of which, like that Figure 5 shows four provided in a centrally symmetrical arrangement are, preferably the same as hydraulic support feet are formed, which are supplied by a hydraulic unit 22 be (see Figure 2). In contrast, these enable to the conventional mechanical support spindles - a quick one and by means of an electronic leveling device (not shown) automatic leveling and erection of the Working device 1, such as the construction crane, without great effort by only one operator, in particular flexible assembly and disassembly on the most difficult terrain or building site.

    Wie die Figuren 1 und 6 bis 11 weiter zeigen, sind die Räder 11 des Fahrwerks innerhalb des Bereichs der Abstützfläche der Arbeitsvorrichtung, also hier des Bauhochkrans, angeordnet, d.h. der Fläche, welche von einer die Abstützfüße 36 miteinander verbindenden Linie umschlossen wird, wobei zu beachten ist, daß die Abstüttzfüße 36 aus den in Figur 7, 9 und 11 gezeigten Positionen seitlich über die Räder hinaus weit ausschwenkbar sind.As FIGS. 1 and 6 to 11 further show, the wheels 11 the chassis within the area of the support surface of the working device, So here the high-rise crane, arranged, i.e. the surface of one of the support feet 36 together connecting line is enclosed, it should be noted that the support feet 36 from the positions shown in Figures 7, 9 and 11 can be swung out sideways beyond the wheels.

    Die Hydraulik-Abstützfüße 36 haben ein entsperrbares Rückschlagventil integriert und als zusätzliche Sicherheit einen Absperrhahn pro Abstützfuß 36 eingebaut.The hydraulic support feet 36 have an unlockable check valve integrated and one as additional security Shut-off valve installed per support foot 36.

    Die Abstützfüße 36 werden durch das Hydraulik-Aggregat 22 mit Hydrauliköl versorgt und können auch unabhängig von der automatischen elektronischen Nivelliereinrichtung einzeln mittels Handsteuerventilen 37 (siehe Figur 2) angesteuert werden, die erste Steuerventile 37a für die Abstützfüße auf der einen Seite des Fahrwerks 2 und zweite Steuerventile 37b für die Abstützfüße auf der anderen Seite des Fahrwerks 2 umfassen (sie-he Figur 2). Die Stromversorgung des Hydraulikaggregats 22 erfolgt im Arbeitseinsatz vom Schaltschrank des Bauhochkrans 1 aus.The support feet 36 are supported by the hydraulic unit 22 Hydraulic oil is supplied and can also be used independently of the automatic electronic leveling device individually by means of Manual control valves 37 (see Figure 2) can be controlled first control valves 37a for the support feet on one side of the chassis 2 and second control valves 37b for the support feet on the other side of the chassis 2 (see figure) 2). The power supply to the hydraulic unit 22 takes place in the Work deployment from the control cabinet of the construction crane 1.

    Außerdem sind noch, wie Figur 2 zeigt, Anschlüsse 57 für Versorgungsleitungen, ein Hauptschalter 59 und ein Staukasten 61 auf dem Fahrgestell 15 vorgesehen.In addition, as FIG. 2 shows, there are connections 57 for supply lines, a main switch 59 and a storage box 61 provided on the chassis 15.

    Die Kran-Gegengewichte 35 können, wie die Figur 1 zeigt, am zusammengelegten Bauhochkran 1 während dessen Transport verbleiben.As shown in FIG. 1, the crane counterweights 35 can be folded together Construction crane 1 remain during its transport.

    Schließlich kann am Kranturm 9, insbesondere am unteren Kranturmabschnitt 9a, ein klappbarer und in der Höhe veränderbarer Stützfuß 38 abnehmbar (Figur 1) oder beiklappbar angebracht sein, um die weit über das Fahrwerk 2 hinausragende Arbeitsvorrichtung 1, wie den Bauhochkran, in dem Zustand derselben, in dem sie nicht an einen Lastkraftwagen oder eine Zugmaschine angekuppelt ist, abzustützen. Dieser Stützfuß 38 hat in den Figuren 6, 8 und 10 ein Rad 39, mit dem er auch beim Rangieren der Arbeitsvorrichtung 1 abgestützt werden kann.Finally, the crane tower 9, in particular the lower crane tower section 9a, a foldable and changeable in height Support foot 38 removable (Figure 1) or foldable attached be to the working device protruding far beyond the chassis 2 1, like the construction crane, in the same state, in which they are not coupled to a truck or tractor is to support. This support foot 38 has in the figures 6, 8 and 10 a wheel 39, with which he also when maneuvering the Working device 1 can be supported.

    Der Kran 1 kann, je nach Zugfahrzeug, als Sattelanhänger oder als mehrachsiger Deichselanhänger gezogen werden.The crane 1 can, depending on the towing vehicle, as a semi-trailer or can be pulled as a multi-axle drawbar trailer.

    Im übrigen wird zu weiteren sonstigen Erläuterungen eines Fahrwerks der grundsätzlichen Art mit Bauhochkran, wie es in den Figuren 1 und 6 bis 11 gezeigt ist, d.h. soweit nicht die durch die vorliegende Erfindung vorgenommenen Änderungen betroffen sind, auf die eingangs genannte DE 198 56 593 A1 verwiesen.Otherwise, further explanations of a chassis become of the basic type with high - rise crane, as it is in the Figures 1 and 6 to 11 is shown, i.e. unless the through Changes made to the present invention are concerned are referred to the aforementioned DE 198 56 593 A1.

    Die Figuren 12 und 13 zeigen eine mit der Erfindung zur Verfügung gestellte Doppelwippe, die aus der in Figur 1 gezeigten Längswippe 5 und einer damit zusammengebauten Querwippe 121 besteht, welche es ermöglicht, den Kran 1 oder eine statt dessen vorgesehene andere Arbeitsvorrichtung quer zur Fahrtrichtung zu neigen und so auf schwierigem Gelände mit dem Fahrgestell 15 besser zu verfahren und zu rangieren. Die Figur 12 zeigt den Aufbau quer zur Fahrtrichtung (d.h. eine Ansicht auf eine Ebene, die senkrecht zur Fahrtrichtung verläuft), und die Figur 13 zeigt den Aufbau in Fahrtrichtung (d.h. eine Ansicht, die den Figuren 1, 6, 8 und 10 entspricht).Figures 12 and 13 show one available with the invention put double rocker, which from the shown in Figure 1 Longitudinal rocker 5 and a transverse rocker 121 assembled therewith, which allows the crane 1 or one instead provided other work device transverse to the direction of travel incline and so on difficult terrain with the chassis 15 better to proceed and rank. Figure 12 shows the Setup transverse to the direction of travel (i.e. a view on one level, which is perpendicular to the direction of travel), and FIG. 13 shows the structure in the direction of travel (i.e. a view that the Figures 1, 6, 8 and 10 corresponds).

    Die Querwippe 121 ist mit ihren Wippenlagern 122 auf der Längswippe 5 angebracht und durch Verstell- und Feststellvorrichtungen 123, die vorzugsweise als Hydraulikeinrichtungen (Kolben-Zylinder-Vorrchtungen) ausgeführt sind, in ihrer Querneigung relativ zur Längswippe 5 feststellbar ist, indem die Verstellund Feststellvorrichtungen 123 über Gelenke 124 einerseits an der Querwippe 121 und andererseits an der Längswippe 5 angebracht sind. Die Längswippe ist über ihre Wippenlager 125 frei verschwenkbar, wobei ihre Neigung durch den Stützfuß 38 oder die Ankupplung eines Zugfahrzeuges an die Zugeinrichtung 28 bestimmt ist (siehe Figuren 1, 6, 8 und 10).The cross rocker 121 is with its rocker bearings 122 on the longitudinal rocker 5 attached and by adjusting and locking devices 123, preferably as hydraulic devices (piston-cylinder devices) are executed in their bank can be determined relative to the longitudinal rocker 5 by the adjustment and Locking devices 123 on joints 124 on the one hand the cross rocker 121 and on the other hand attached to the longitudinal rocker 5 are. The longitudinal rocker is free via its rocker bearing 125 pivotable, their inclination by the support foot 38 or determines the coupling of a towing vehicle to the towing device 28 is (see Figures 1, 6, 8 and 10).

    Die Querwippe 121 ermöglicht es daher, den Kran relativ zum Fahrwerk 15 (das in Figur 12 und 13 nur schematisch durch seine Oberseite angedeutet ist) seitlich zu neigen, um seinen Schwerpunkt seitlich zu verlagern und ihn damit auch bei schwierigen Geländeverhältnissen, wie beispielsweise auf seitlich geneigten und/oder aufwärtsgehenden Wald- und Forstwegen (z.B. in Spitzkehren) ausgezeichnet rangieren oder in sonstiger Weise verfahren zu können. Anstelle der in den Figuren der Zeichnung gezeigten Mehrfachräder können zur zusätzlichen Verbesserung der Rangier- und Verfahrbarkeit unter solchen Bedingungen Einzelräder mit einer Breitbereifung vorgesehen sein.The cross rocker 121 therefore makes it possible to move the crane relative to the Undercarriage 15 (which is shown only schematically in FIGS Top is indicated) to tilt sideways to its center of gravity relocate to the side and thus also with difficult Terrain conditions, such as on inclined slopes and / or upward forest and forest paths (e.g. in hairpin bends) excellent maneuvering or handling in any other way to be able to. Instead of that shown in the figures of the drawing Multiple wheels can be used for additional improvement Maneuverability and mobility under such conditions single wheels be provided with wide tires.

    Claims (33)

    1. Travelling mechanism with a chassis (15) which is provided with at least one wheel axle (3, 4; 110; 113, 114; 116, 117, 118) and wheels (11; 111; 115; 119) and on which a working device (1) is mounted, which is horizontally overhanging at least in the transport position so that it has a large overhang beyond the point of gravity of the travelling mechanism, as a result of which the manoeuvrability of the working device (1) positioned on the travelling mechanism in the transport position is difficult or impossible at the place of erection under confined conditions, whereby
      a) the working device (1) positioned on the travelling mechanism in the transport position during manoeuvring can be horizontally turned with regard to the chassis (15) and can be fixed with regard to the chassis (15) in two or more different turning positions,
      and/or
      (b) the working device (1) is mounted on the chassis (15) via a double rocker (5, 121) which includes a lateral rocker (122) which allows the working device (1) to be inclined across the direction of travel and can be locked in its inclined position with regard to the longitudinal rocker (5).
    2. Travelling mechanism according to claim 1, characterised in that the chassis has two or more wheel axles (3, 4, 116, 117, 118) whereby
      (a) the wheels (11a, 11b; 119) of the individual wheel axles (3, 4, 116, 117, 118) are provided with bogie or axle pivot steering; and
      (b) the bogie or axle pivot steering of the wheels (11a, 11b, 119) of the individual wheel axles (3, 4, 116, 117, 118) are connected with each other in such a way that the wheels (11a, 11b, 119) and the wheel axles (3, 4, 116, 117, 118) are synchronously steered in a geometric way.
    3. Travelling mechanism according to claim 1, characterised in that the chassis (15) has a single wheel axle (110) mounted rigidly or steerably on the chassis (15).
    4. Travelling mechanism according to claim 1, characterised in that the chassis (15) has a plurality of wheel axles, whereby one wheel axle or several or all wheel axles is or are mounted rigidly on the chassis (15).
    5. Travelling mechanism according to one of the above claims, characterised in that the steering of the wheel axles (3, 4, 110, 113, 114, 116, 117, 118) can be temporarily uncoupled and/or locked.
    6. Travelling mechanism according to one of claims 1 to 5, characterised in that the working device (1) during manoeuvring can be turned with regard to the chassis (15) horizontally by a mechanical drive within a predetermined angle range and can be locked by the mechanical drive and/or separately.
    7. Travelling mechanism according to claim 6, characterised in that the working device (1) during manoeuvring can be horizontally turned infinitely variably with regard to the chassis by a mechanical drive within a predetermined angle range and can be locked by the mechanical drive and/or separately.
    8. Travelling mechanism according to one of claims 1 to 7, in combination with a working device (1), characterised in that the working device (1) is a building crane, especially a bottom slewing building crane.
    9. Travelling mechanism according to one of the above claims, characterised in that the horizontal rotatability of the working device (1) with regard to the chassis (15) is created during manoeuvring by the fact that a rotational locking device (100) provided in the retracted state of the working device (1) between one or the upper and lower base (7, 8) of the working device (1) can be unlocked and can be fixed in two or more different relative turning positions between the upper and lower base (7, 8).
    10. Travelling mechanism according to claim 9, characterised in that the rotational locking device (100) has at least one locking pin (101) which can be inserted into apertures or recesses (103a, 103b, 103c; 105) in each case aligned with one another in the upper and lower base (6, 8).
    11. Travelling mechanism according to claim 10, characterised in that the one opening (105) is formed in a bracket (102) provided on the upper base (8), which can be mounted aligned in each case with one of a number of openings (103, 103b, 103c) or recesses in the lower base (6) by turning the upper base (8) with regard to the lower base (6).
    12. Travelling mechanism according to one of claims 6 to 11, characterised in that the mechanical drive has an adjustment device to turn one or the upper base (8) with regard to one or the lower base (7) which can be operated from the chassis (15) and/or a towing vehicle and/or any other position.
    13. Travelling mechanism according to claim 12, characterised in that the adjustment device is to turn one or the upper base (8) with regard to one or the lower base (7).
    14. Travelling mechanism according to claims 12 or 13, characterised in that the adjustment device can be locked from the chassis (15) and /or a towing vehicle and/or any other position.
    15. Travelling mechanism according to one of claims 6 to 14, characterised in that the mechanical drive includes a hydraulic, compressed air or electric motor and/or a hand crank.
    16. Travelling mechanism according to one of the above claims whereby the chassis (15) has a single axle, characterised in that the chassis (15) is a single axle semi-trailer or single axle central trailer.
    17. Travelling mechanism according to claim 16, characterised in that an additional front axle is provided on the front part of the working device (1).
    18. Travelling mechanism according to claim 17, characterised in that the front axle additionally provided is designed as a drawbar trailer.
    19. Travelling mechanism according to one of the above claims, characterised in that to operate the steering an hydraulic system with hydraulic cylinder, a compressed air system with compressed air cylinder or threaded spindles driven by a hydraulic, compressed air or electric motor and/or hand crank is or are provided.
    20. Travelling mechanism according to one of the above claims, characterised in that to control the steering of the wheel axle(s) (3, 4; 110; 113, 114; 116, 117, 118) a hand control valve arrangement, a cable remote control and/or a radio remote control is provided.
    21. Travelling mechanism according to one of the above claims characterised in that steering of the wheel axle(s) (3, 4; 110; 113, 114; 116, 117, 118) can be controlled by rods or cable controls from a semi-trailer coupling (31) or drawbar (29) which is mounted in the front part of the working device.
    22. Travelling mechanism according to one of the above claims whereby the chassis has multiple-axles, characterised in that the chassis (15) is a multiple-axle semi-trailer or rigid drawbar trailer.
    23. Travelling mechanism according to claim 22, characterised in that the chassis (15) is designed with an additional front axle as a drawbar trailer.
    24. Travelling mechanism according to one of the above claims, characterised in that the springs of the wheel axle(s) (3, 4: 110; 113, 114; 116, 117, 118) are leaf springs (13) or air springs.
    25. Travelling mechanism according to claim 24, characterised in that the springs in the case of multiple-axle chassis (15) are designed as leaf springs with a rocker for displacement compensation or air springs with displacement compensation by the air springs themselves.
    26. Travelling mechanism according to one of the above claims, whereby a support with hydraulic support cylinders (36) is provided to erect the working device (1) characterised in that to operate the support, an operating unit (22) connectable to the two phase or three phase mains and/or battery-powered is provided.
    27. Travelling mechanism according to claim 26, characterised in that a switchover to the steering unit is provided for emergency operation.
    28. Travelling mechanism according to claim 26 or 27, characterised in that additional mechanical locking is provided for the hydraulic support cylinders (36) against accidental movement of the support cylinders (36) apart from hydraulic check valves.
    29. Travelling mechanism according to claims 26, 27 or 28, characterised in that the hydraulic support cylinders (36) are provided with a levelling device and can be controlled to allow levelling.
    30. Travelling mechanism according to claim 29, characterised in that the levelling device is automatic.
    31. Travelling mechanism according to claim 29 or 30, characterised in that the levelling device allows sideways levelling.
    32. Travelling mechanism according to one of the above claims, characterised in that a semi-trailer coupling (31) and/or a drawbar (29) is provided as towing device.
    33. Travelling mechanism according to claim 32, characterised in that a combination of semi-trailer coupling (31) and drawbar (29) is provided as towing device.
    EP00993401A 1999-12-06 2000-11-30 Travelling mechanism for an overhanging working device, especially for a building crane Expired - Lifetime EP1235734B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19958691A DE19958691A1 (en) 1999-12-06 1999-12-06 Chassis for a wide-reaching working device, in particular for a construction crane
    DE19958691 1999-12-06
    PCT/EP2000/012054 WO2001044097A1 (en) 1999-12-06 2000-11-30 Travelling mechanism for an overhanging working device, especially for a building crane

    Publications (2)

    Publication Number Publication Date
    EP1235734A1 EP1235734A1 (en) 2002-09-04
    EP1235734B1 true EP1235734B1 (en) 2003-10-29

    Family

    ID=7931556

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00993401A Expired - Lifetime EP1235734B1 (en) 1999-12-06 2000-11-30 Travelling mechanism for an overhanging working device, especially for a building crane

    Country Status (7)

    Country Link
    US (1) US20040221673A1 (en)
    EP (1) EP1235734B1 (en)
    AT (1) ATE253013T1 (en)
    AU (1) AU2838701A (en)
    CZ (1) CZ297234B6 (en)
    DE (2) DE19958691A1 (en)
    WO (1) WO2001044097A1 (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US11643141B2 (en) 2020-03-30 2023-05-09 Manitowoc Crane Group France Trailer assembly and associated self-erecting crane

    Families Citing this family (12)

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    WO2001044097A1 (en) 2001-06-21
    EP1235734A1 (en) 2002-09-04
    ATE253013T1 (en) 2003-11-15
    DE19958691A1 (en) 2001-06-07
    DE50004278D1 (en) 2003-12-04
    US20040221673A1 (en) 2004-11-11
    CZ297234B6 (en) 2006-10-11
    CZ20021951A3 (en) 2003-11-12
    AU2838701A (en) 2001-06-25

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