Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
  • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
  • E04G21/04—Devices for both conveying and distributing
• • 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
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
  • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
  • E04G21/04—Devices for both conveying and distributing
  • E04G21/0418—Devices for both conveying and distributing with distribution hose
  • E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
• • Y—GENERAL 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/8593—Systems
  • Y10T137/8807—Articulated or swinging flow conduit

Definitions

• the invention relates to a truck-mounted concrete pump with a chassis, arranged on a chassis-mounted base, serving as a support for a conveyor line and having at least three mast arms articulated mast, the first mast arm with a free end on a rotatable by driving a rotary drive about a vertical axis of the chassis rotary head is articulated, wherein the mast arms by controlling associated buckling with respect to the turret and each adjacent mast arm are pivotable about horizontal buckling axes, and arranged with two front and two rear, fixed to the chassis base, optionally partially extendable from a driving position in a support position and extend each with a telescopic support leg on a ground under support of the chassis supportable support arms.
• the present invention seeks to improve the known truck-mounted concrete pump with articulated mast and Stützauslegern of the type specified in that even with a limited compared to the full support support position of the maneuvering of the articulated mast can be improved.
• each support arm has a chassis-near and at least one chassis-remote support position, which can be freely selected to form defined support configurations for the four support arms.
• each Abstützkonfiguration only such Mastarmamba are allowed in which the center of gravity of the machine moves without the risk of incorrect operation within the tilting quadrilateral, ie within the tilting edges.
• a control device for the mast movement is provided, which has an on the selected support configuration responsive software routine or limiting circuit, the pivoting angle range of the first articulated arm about its bending axis and an associated rotation angle range of the turret about the vertical axis limited according to the selected support configuration.
• a further advantageous embodiment of the invention provides that at least one of the mast arms consists of two displaceable in the arm direction telescopic segments.
• the first and / or the last boom arm is composed of two telescopic segments.
• the inventive software routine or the limiting circuit limits in this case the pivoting range of the first mast arm and / or the telescopic path of the first and / or last mast arm and an associated rotation angle range of the turret about its vertical axis in accordance with the selected support configuration.
• a selector switch is provided with a plurality of switch positions corresponding to the different support configurations, wherein the control device for the Mastarmamba responds to the switching positions of the selector switch.
• An extension of the rotation angle range can be achieved in articulated masts with at least four boom arms in that the control device for Mastarmhik an appealing to the selected support configuration subroutine or limiting circuit, which limits not only the pivot angle of the first mast arm and the pivot angle of the second mast arm about the bending axis. Accordingly, a further extension of articulated masts with at least five boom arms is possible if the control device for the Mastarm Gay has a responsive to the selected Abstützkonfiguration subroutine or limiting circuit, which also limits the pivoting angle of the third Mastarms about the bending axis.
• the alternatively provided limiting circuit expediently has at least one limit switch.
• control device for the Mastarm beweg ung has a blocking device, which is the buckling drive of the first Mastarms in the im - A -
• the control device for the Mastarmamba has a blocking device that blocks the buckling drive of the second Mastarms and possibly also the third Mastarms in their aligned to the first Mastarm position.
• the alternatively provided blocking device expediently has at least one limit switch.
• a further advantageous embodiment of the invention provides that the control device has a software routine or a limiting circuit, which responds to the inputted Abstützkonfiguration and to the pivot angle of the first mast arm and selects the range of rotation of the turret in accordance with these data.
• the software routine or the limiting circuit additionally responds to the pivoting angle of the second boom arm when the first boom arm is aligned substantially parallel to the vertical axis and for this purpose selects the rotary range of the rotary head.
• a further improvement results if the software routine or the limiting circuit additionally responds to the swivel angle of the third mast arm when the first and second mast arm are aligned substantially parallel to the vertical axis and for this purpose detects the rotational range of the rotary head. chooses.
• the alternatively provided limiting circuit expediently has at least one limit switch.
• Figures 1a to c is a diagram for determining the working range of the mast movement of a truck-mounted concrete pump in three different support and Mastarmkonfigurationen.
• FIG. 2 shows a selector switch for selecting different support configurations of a truck-mounted concrete pump
• 3a shows a flowchart of a software routine for limiting the working area in the case of a one-sided narrow support
• 3b shows a flowchart of a software routine for determining the work area with support of the support legs in the chassis near, not extended state of Stönausle- ger.
• the truck-mounted concrete pump shown in FIGS. 1 a to c comprises a chassis 10, a four-armed articulated mast 14 arranged on a chassis-fixed substructure 12, serving as a carrier for a conveying line, and two front support arms 16 ', 16 "and two rear support arms 18', 18".
• the articulated mast 14 has four mast arms 1, 2,3,4 in the embodiment shown.
• the first mast arm 1 is articulated with its one end 20 on a rotatable about a vertical axis 22 of the chassis 10 by driving a rotary drive 10 rotary head 24.
• the mast arms 1, 2, 3, 4 are controlled by actuating associated buckling drives with respect to the rotary head 24 and with respect to each adjacent mast arm horizontal bending axes A 1 B 1 C 1 D pivotable.
• the last mast arm 4 carries at its free end a connected to the conveyor line not shown end hose 26th
• a hydraulically operated slurry pump 34 which promotes the filled via a feed tank 36 liquid concrete via the conveyor line 38 along the chassis and the articulated mast 14 to the end hose 26.
• the support booms can optionally be supported with their support legs on the ground to form different Ausstellkonfigurationen in an inner, chassis-related or an outer, chassis distant support position.
• six support configurations which can be selected via a selector switch 40 are provided, namely a vertical support V, one narrow support SL (left) and SR (right), one Y support YL (left) and YR (right) and a close support N.
• the full support V is chosen such that the mast loaded with liquid concrete in the extended horizontal position about the vehicle vertical axis 22 can be rotated in a rotation range of 360 ° of the rotary head 24 without the risk of tilting.
• the permissible working range for the mast movement to the support side is limited to a defined rotation angle range.
• the permissible range of rotation of the articulated mast in the case of an extended kink mast also on the mast arm 1 is between 0 ° and 130 ° for the support configuration SL shown in FIG. 1a. This angular range can be extended to 180 ° in the relevant support configuration SL when the first mast arm 1 is blocked in its position shown in FIG. 1, which is substantially parallel to the vertical axis 22.
• the angle of rotation range with the articulated mast extended is also 230 ° on the first boom arm slightly widened if, in addition, as shown in Fig. 1a, the first mast arm 1 is blocked in its vertical position.
• Fig. 1c the rotation range for the case of the support configuration N (Nah ein) shown, in which all four support arms 16 ', 16 ", 18', 18" supported in a chassis near inner position with their support legs 30 on the ground 32 are.
• the range of rotation in this case is 360 ° with correspondingly reduced working radius.
• the truck-mounted concrete pump comprises a control device for the Mastarmamba, which depends on the switching positions of the selector switch 40 for the addresses different support configurations.
• the control device is computer-aided.
• the two flow charts of Fig. 3a and b are intended to illustrate the function of the control device in monitoring the Mastarmamba.
• the flow chart of Fig. 3a shows the operation of a software routine of the control device in the case of one of the narrow supports SL and SR, which are denoted there by the abbreviation "OSS".
• OSS narrow supports
• the relevant arm configuration here SL or SR
• the selector switch 40 As long as the mast arm 1 has a kink angle ⁇ 88 ° on the bending axis A, the working range is limited to 130 ° via the control device.
• a larger working range can be adjusted by bringing the arm 1 into its position substantially parallel to the vertical axis (angle about the bending axis> 88 °). There, the arm 1 can be locked and thereby the work area can be extended to 180 ° (see also Fig. 1a).
• the working areas of 130 ° or 180 ° are also to be considered when folding the folding mast.
• FIG. 3b illustrates the procedure for the arm configuration N (FIG. 2), ie when all the support arms are supported on the ground in their inner position close to the chassis frame (see also FIG. 1c).
• the mast arms consists of two displaceable in the arm longitudinal telescopic segments.
• the first mast arm or the last mast arm may be formed as a telescopic arm.
• the software routine o- the movement circuit limits the pivoting range of the first mast arm about the bending axis A and / or the telescopic movement of the first and / or last mast arm, and an associated rotation angle range of the turret about its vertical axis in accordance with the selected support configuration.
• the invention relates to a truck-mounted concrete pump with serving as a support for a conveyor line crease mast 14 and two front and two rear, extendable from a driving position in a support position, each with a telescopic support leg 30 on a substrate 32nd supportable support arms 16 ', 16 ", 18', 18".
• each support boom on an inner, near the chassis and at least one outer, chassis distant support position, which are freely selectable to form defined support configurations V, SL, SR, YL, YR, N for the four support arm.
• a control device for the Mastarm beweg ung which has a responsive to the selected support configuration software routine that limits the pivot angle of the first articulated arm 1 about its bending axis A and an associated rotation angle range of the rotary head 24 about the vertical axis 22 in accordance with the selected support configuration.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Mechanical Engineering (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
• Mechanical Control Devices (AREA)
• Operation Control Of Excavators (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

Country Status (9)

Cited By (2)

Families Citing this family (26)

Family Cites Families (18)

• 2006
  • 2006-07-06 DE DE102006031257A patent/DE102006031257A1/de not_active Withdrawn
• 2007
  • 2007-05-11 ES ES07729009T patent/ES2371680T3/es active Active
  • 2007-05-11 EA EA200970083A patent/EA012868B1/ru not_active IP Right Cessation
  • 2007-05-11 KR KR1020087028765A patent/KR101373419B1/ko not_active IP Right Cessation
  • 2007-05-11 WO PCT/EP2007/054557 patent/WO2008003548A1/fr active Application Filing
  • 2007-05-11 CN CN2007800238658A patent/CN101512081B/zh not_active Expired - Fee Related
  • 2007-05-11 AT AT07729009T patent/ATE526472T1/de active
  • 2007-05-11 US US12/227,908 patent/US7909059B2/en not_active Expired - Fee Related
  • 2007-05-11 EP EP20070729009 patent/EP2038493B1/fr not_active Not-in-force

Non-Patent Citations (1)

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