Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
  • B66C23/00—Cranes 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
  • B66C23/18—Cranes 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
  • B66C23/26—Cranes 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
  • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
  • B66C23/344—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
  • B66C23/00—Cranes 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
  • B66C23/18—Cranes 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
  • B66C23/26—Cranes 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
  • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
  • B66C23/00—Cranes 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
  • B66C23/62—Constructional features or details
  • B66C23/72—Counterweights or supports for balancing lifting couples
  • B66C23/78—Supports, e.g. outriggers, for mobile cranes
  • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated

Definitions

• Chassis for a wide-reaching working device in particular for a construction crane
• the invention relates to a chassis for a wide-reaching working device, whereby "wide-reaching” is to be understood to mean that this working device is wide-reaching, at least in the state to be transported.
• the invention relates to a trolley for a high-rise construction crane, particularly preferably for a non-rotating construction crane, the trolley having a double or tandem axle which comprises a front and rear axle.
• high-rise construction cranes in particular low-speed construction cranes, with a trolley are known, in which the trolley, after the high-rise crane has been transported to the installation site by means of the same, is dismantled before the high-rise construction crane is erected. Because due to the relatively very long length of such a high-rise construction crane when folded, it is extremely difficult and in many cases even impossible to maneuver the high-rise construction crane in the built-up area due to the tightness of the available space when it is installed the construction crane is still in the collapsed state.
• the erection and dismantling of the high-rise crane causes relatively high costs and a corresponding time planning, which can lead to construction work independent of the high-rise crane.
• the undercarriage must be accommodated elsewhere during the erection of the high-rise crane, what a corresponding space requirement and possibly additional transport costs.
• the object of the invention is to provide a trolley, in particular for a construction crane, preferably a non-rotating construction crane, which makes it possible to erect widely protruding working devices, such as construction cranes in particular, in quick assembly and under relatively restricted space.
• trolley in particular for a construction crane, in that the trolley according to the invention comprises the following:
• chassis and the traction device are designed such that
• both the wheels of the first axle and the wheels of the second axle are provided with bogie or steering knuckle steering;
• the bogie or steering knuckle steering of the wheels of the first axle is connected to the bogie steering or steering knuckle steering of the wheels of the second axle in such a way that the steering of the wheels of the first and second axles takes place synchronously with the steering geometry;
• the wheels of the first and second axles are preferably arranged in the region of the support surface of the crane.
• the traction device is formed separately from the chassis and on a to be transported on the chassis and can be attached to the chassis to form a structural unit, in particular on a crane, preferably a construction crane, and can be connected to the chassis via it.
• a high-rise construction crane according to the invention in particular a non-rotating construction crane, with an attached running gear of the above type, which has a double or tandem axle, which comprises a first and second axle, is characterized in that
• both the wheels of the first axle and the wheels of the second axle are provided with a bogie or steering knuckle steering
• the bogie or steering knuckle steering of the wheels of the first axle is connected to the bogie steering or steering knuckle steering of the wheels of the second axle in such a way that the steering of the wheels of the two axles takes place synchronously with the steering geometry;
• the wheels of the first and second axles are preferably arranged in the region of the support surface of the crane.
• the invention provides a trolley and a construction crane designed as a quick-assembly crane, which means that the construction crane according to the invention can be erected quickly and easily with the trolley, so that time-consuming removal and later reassembly of the trolley is not necessary. In addition, it is not necessary to remove the necessary crane counterweights for driving on the road.
• the undercarriage according to the invention and the high-rise construction crane according to the invention with the attached undercarriage can be supplied in several speed versions, for example in two speed versions for 25 and 100 km / h.
• the undercarriage and the high-rise construction crane are designed in accordance with the invention such that the traction device comprises a traction tube and / or a saddle pin.
• the high construction crane forms a rigid drawbar trailer or a semi-trailer in the collapsed state, which can be driven to the construction site with a corresponding towing vehicle, namely in particular a truck or a semi-trailer tractor, and can be maneuvered to the exact installation site on the construction site.
• the special features of the chassis are above all the steering, by means of which both axles can be steered in maneuvering mode, and the towing device specially designed for the chassis, which can be coupled to a towing vehicle, and in that it can be connected to the working device 1 mounted on the chassis 2 (in the preferred use of the undercarriage 2 is a construction crane 1) is connected to the undercarriage 2, which makes the working device 1 functionally part of the entire undercarriage when driving, which is then formed by the undercarriage 15 and the working device 1.
• the draw tube and / or the saddle pin is attached to the crane tower, the draw tube preferably being designed to be able to be pushed in and pushed out, in the latter case that Draw tube does not need to be removed or pivoted when the high construction crane is erected.
• the pulling device can be designed such that it has a guide tube for the pull-in and push-out pull tube, the guide tube, preferably rigid, being attached to the crane, in particular to the crane tower.
• Another special feature of the undercarriage according to the invention and of the high-rise crane according to the invention is that, in a preferred embodiment, the saddle pin with the grinding plate is firmly attached to the guide tube of the draw tube.
• the high-rise crane can be pulled to the construction site both as a rigid drawbar trailer and as a semi-trailer.
• the first and second axles in a preferred embodiment of the chassis and of the mobile construction crane according to the invention can each be designed as steering axles with bogie steering, or in another embodiment it is also possible that the front and rear axles are each formed by two stub axles.
• the two axles or the stub axles of the front wheels on the one hand and the stub axles of the rear edges on the other hand are connected to one another for steering-geometrical synchronous movement by a power transmission, preferably by a steering rod, the steering preferably being hydraulically actuable.
• the steering device is preferably designed such that it can be locked in the straight-ahead driving position, since maneuvering of the crane is not necessary here.
• the undercarriage according to the invention can advantageously be designed in such a way that the hydraulically operated steering device can be remotely controlled via a hydraulic unit, preferably attached to the undercarriage, this remote control in particular via Bowden cable or electrically can be done.
• FIG. 1 shows a side elevation view of an embodiment of the undercarriage according to the invention with a high construction crane mounted thereon, which is designed as a non-rotating construction crane;
• Figure 2 is a plan view of the undercarriage with the construction crane of Figure 1;
• FIG. 3 shows a section along the line A-A through the chassis of Figure 2;
• FIG. 4 shows a side elevation view of the undercarriage with high construction crane of FIG. 1 in the state in which the support feet are in the active position and the high construction crane is just being unfolded from its folded state into the installation state;
• Figure 5 is a plan view of the lower part of the high-rise crane with the trolley, with the illustration of Support, which is to be shown mainly in this figure, other parts omitted or shown only schematically;
• Figure 6 is a side elevation view of the trolley with high construction crane of Figures 1 and 4 in the erected state;
• FIG. 7 shows a top view corresponding to FIG. 5, which illustrates the ability to pivot the support feet in and out;
• FIG. 8 shows a view of the front end in the direction of travel when transporting the crane with an additional double-axle front axle chassis
• FIG. 9 shows a view corresponding to FIG. 8 with a single-axle front axle chassis.
• the undercarriage furthermore has a traction device 28 which is formed separately from the chassis 15 and which is fastened to the crane 1 or another working device and can be coupled to a towing vehicle.
• the chassis 15 is fastened to the construction crane 1 by means of a rocker 5, which has bolts 60 (see FIG. 2).
• the high-rise construction crane 1 has an undercarriage 6, a slewing ring 7 and an uppercarriage 8 in a manner customary for rotating construction cranes, the crane tower 9 and the crane boom 10 on the uppercarriage are attached.
• the crane tower 9 consists of a lower crane tower section 9a and an upper crane tower section 9b
• the crane boom 10 comprises an inner crane boom section 10a and an outer crane boom section 10b.
• the remaining parts of the construction crane 1 are, unless they are mentioned below, the usual parts and equipment of a non-rotating construction crane.
• the first axle 3 and the second axle 4 of the chassis 2 according to the invention are each designed as steering axles, for which purpose wheels provided with tires in the present embodiment, namely both the wheels 11a of the first axle 3 and the wheels 11b of the second axle 4 with a bogie -Steering are provided.
• Each bogie steering comprises, as can be seen in particular from Figures 1 and 3, a bogie 12, on which the axle 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 associated bogie 12 is attached to the chassis 15 of the chassis 2.
• Each of the two bogies 12 is provided with a connecting and stiffening structure 16 and 17, respectively, and these two connecting and stiffening structures 16 and 17 are by means of a force transmission 18, which is designed here as a handlebar, via joints 18a and 18b connected to each other to form a steering geometry synchronous steering movement.
• the steering can be actuated hydraulically, specifically 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 a second joint 20b on one 16 of the two connecting and stiffening structures 16 , 17 is attached.
• This steering or hydraulic cylinder 19 is supplied by a hydraulic unit 58 attached to the chassis 15 and can be controlled by means of a steering or remote control 23, for example via a Bowden cable or via electrical cables.
• the pump (not shown) of the hydraulic unit 58 is powered by vehicle batteries 24, for example by two 12-volt vehicle batteries, powered by electricity. When the construction crane is in use and is thus connected to the construction site power source, the vehicle batteries 24 are charged by an installed charger. With 21 a compressed air tank for the brake system is designated.
• the above structure allows the first and second axles 3 and 4 to be adjusted synchronously in terms of the steering geometry, and with the aid of this steering an excellent maneuvering of the undercarriage 2 according to the invention, in the present case high-rise crane 1, is made possible at the construction site. Driveways are accomplished.
• the steering device is e.g. In the present case for crane transport, can be locked in the straight-ahead position by a lock 62 (see FIG. 2), in the embodiment shown by a securing bolt 25 (see FIG. 1), which can be inserted into two sleeves 26 and 27, of which the a sleeve 26 on the chassis 15 and the other sleeve 27 is fixedly attached to one of the two bogies 12a, 12b, so that when the securing bolt 25 is inserted, both bogies which are positively coupled to one another via the power transmission 16 and which are collectively denoted by 12, are locked in the straight-ahead driving position are.
• the pulling device 28 forms a part of the undercarriage 2 that is separate from the chassis 15 and is attached overall to the construction crane 1, in the present case at the lower crane tower section 9a, and connected to the undercarriage 2 by the same. If instead of the crane 1 another, similarly wide-reaching working device, such as an extremely long fire ladder, a long-barrel gun, a rocket launcher or the like. is equipped with the undercarriage 2 according to the invention, then the pulling device is also attached to the front end region of the working device in the direction of travel, and the working device, like the crane 1 in the present case, forms part of the functional part entire "chassis" by connecting the traction device with the chassis 2 or its chassis 15.
• similarly wide-reaching working device such as an extremely long fire ladder, a long-barrel gun, a rocket launcher or the like.
• the pulling device 28 in the present embodiment essentially consists of a guide tube 42, a pulling tube 29, a grinding plate 30 and a saddle pin 31.
• the pulling tube 29 is guided by means of the guide tube 42 to an insertion and removal movement, as shown in FIG is where the draw tube 29 is shown by dash-dotted lines in the extended position and by solid lines in the inserted position.
• At the front end of the pulling tube 29 there is a pulling eye 32 which is screwed onto the pulling tube 29, so that the working device 1, in the presently preferred embodiment, that is to say the construction crane shown, can be connected via the pulling eye 32 to the bolt coupling of a truck.
• the pull tube 29 can be locked on the guide tube 42, in the present case by means of two plug pins 33; and the guide tube 42 is fastened to the working device 1, in the present case to the crane tower section 9a, via fastening plates 43.
• the grinding plate 30 is fixed, for example by welding, and on this grinding plate 30 the saddle pin 31 is attached, for example screwed, so that the working device 1 can thereby be connected to the fifth wheel coupling on a truck or a tractor after the draw tube 29 has been brought into the inserted position and has been locked in this by means of the plug pins 33.
• the working device 1 in the present case the high-rise crane, is supported by means of support feet 36, four of which, as shown in FIG. 5, are provided in a centrally symmetrical arrangement, the latter preferably being designed as hydraulic support feet which are supplied by a hydraulic unit 22 (see Figure 2).
• support feet 36 four of which, as shown in FIG. 5, are provided in a centrally symmetrical arrangement, the latter preferably being designed as hydraulic support feet which are supplied by a hydraulic unit 22 (see Figure 2).
• these enable one quick and automatic leveling and setting up of the working device 1, such as the construction crane, by means of an electronic leveling device (not shown), without great effort by only a single operator, in particular flexible assembly and disassembly on the most difficult terrain or construction site.
• the wheels 3, 4 of the undercarriage 2 are arranged within the area of the support surface of the working device 1, that is to say here of the construction crane, i.e. the area which is enclosed by a line connecting the support feet 36 to one another.
• the hydraulic support feet 36 have an unlockable check valve integrated and, as an additional safety feature, a shut-off valve per support foot 36.
• the support feet 36 are supplied with hydraulic oil by the hydraulic unit 22 and can also be controlled independently of the automatic electronic leveling device individually by means of manual control valves 37 (see FIG. 2), the first control valves 37a for the support feet on one side of the chassis 2 and the second Control valves 37b for the support feet on the other side of the chassis 2 include (see Figure 2).
• the power supply of the hydraulic unit 22 is carried out from the control cabinet of the construction crane 1 during work.
• the support feet can be folded out sideways from a transport position (dashed line) folded into the chassis 15 into their working position (solid lines) and folded back for transport.
• connections 57 for supply lines, a main switch 59 and a storage box 61 are also provided on the chassis 15.
• the pulling tube 29 for setting up the working device 1 in this case the construction crane, only needs to be brought into the pushed-in position, in order not to interfere with part of the working device 1, as in the present case with the crane boom 10 or the provided drive 34 to come.
• the guide tube 42 in which the draw tube 29 is guided, can be rigidly attached to the working device 1, such as, for example, the crane tower 9, and in this state can remain on the fully erected working device 1 or the high-rise construction crane, as illustrated in FIG. 6.
• arrows 39, 40 and 41 indicate the pivoting movements of the lower and upper crane tower sections 9a, 9b and the crane boom sections 10a, 10b when the crane is erected.
• the crane counterweights 35 can remain on the folded construction crane 1 during its transportation.
• a foldable and height-adjustable support foot 38 can be attached (FIG. 1) or folded (FIGS. 8 and 9) in order to attach the working device 1, which projects far beyond the chassis 2, such as the high-rise crane, in the state in which it is not coupled to a truck or a tractor. 8 and 9, this support foot 38 has a wheel 39 with which it can also be supported when maneuvering the working device 1.
• FIGS. 8 and 9 show the front end of the same in the transport direction of the folded crane with a double-axle front axle chassis 43 (FIG. 8) that can be attached to it and a single-axle front axle chassis 44 (FIG. 9) attached to it.
• the load on the draw tube exceeds one ton. Since more than a tonne is not permitted by law, a train no longer use the tube. An additional (braked) front axle construction 43 or 44 is therefore used.
• the crane 1 can be pulled as a semi-trailer or as a multi-axle drawbar trailer.
• the, preferably braked, front axle construction 43 comprises two axles 45 and 46 with wheels 47 and suspension 55 (leaf or air suspension), a chassis 48, a rotating crane 49 (spherical steering wheel) thereon and a body frame 50 on the Tabs 51 for bolting the front axle undercarriage 43 to the traction device 28 of the working machine 1, as in the present case of the crane, are attached.
• Receiving devices 52 for the tabs 51 are attached to the grinding plate 30 of the traction device 28, and both the tabs 51 and the receiving devices 52 are provided with through holes or bores 53 for plug bolts (not shown).
• the entire front axle structure 43 is fastened to the working device 1, in the example on the crane, by means of the bores or through holes 53 and the plug pins.
• FIG. 9 shows a - also preferably braked - single-axle front axle construction 44 in the state already attached to the working device 1, in the present case on the crane. Apart from the only axle 54 and the modification resulting therefrom, this is otherwise designed as the front axle construction 43 of FIG. 8, so that reference is made to the description thereof.
• the front axle construction 43, 44 can be coupled to a towing vehicle by means of a drawbar 56.
• the front axle construction can be attached to the saddle pin 31 by means of a fifth wheel coupling; in this construction, a double axis 45, 46 is absolutely necessary.
• the fifth wheel coupling then also replaces the turntable 49, since the rotary movement takes place via the grinding plate 30 or the saddle pin 31.

Landscapes

• Engineering & Computer Science (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Structural Engineering (AREA)
• Jib Cranes (AREA)
• Control And Safety Of Cranes (AREA)
• Load-Engaging Elements For Cranes (AREA)
• Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (1)

Family

ID=7851271

Family Applications (1)

Country Status (9)

Cited By (2)

Families Citing this family (6)

Citations (5)

• 1998
  • 1998-12-08 EP EP98962421A patent/EP1037848B1/de not_active Expired - Lifetime
  • 1998-12-08 AU AU17592/99A patent/AU1759299A/en not_active Abandoned
  • 1998-12-08 DE DE19856593A patent/DE19856593A1/de not_active Withdrawn
  • 1998-12-08 ES ES98962421T patent/ES2198086T3/es not_active Expired - Lifetime
  • 1998-12-08 DE DE59808095T patent/DE59808095D1/de not_active Expired - Fee Related
  • 1998-12-08 PT PT98962421T patent/PT1037848E/pt unknown
  • 1998-12-08 WO PCT/EP1998/007955 patent/WO1999029614A1/de active IP Right Grant
  • 1998-12-08 YU YU34600A patent/YU34600A/sh unknown
  • 1998-12-08 DK DK98962421T patent/DK1037848T3/da active
  • 1998-12-08 DE DE19881861T patent/DE19881861D2/de not_active Expired - Fee Related
  • 1998-12-08 AT AT98962421T patent/ATE238225T1/de not_active IP Right Cessation

Patent Citations (5)

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