EP2938795A1 - Concrete pump with distributing boom - Google Patents
Concrete pump with distributing boomInfo
- Publication number
- EP2938795A1 EP2938795A1 EP13817923.9A EP13817923A EP2938795A1 EP 2938795 A1 EP2938795 A1 EP 2938795A1 EP 13817923 A EP13817923 A EP 13817923A EP 2938795 A1 EP2938795 A1 EP 2938795A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adapter piece
- concrete pump
- pump according
- boom
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- 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
-
- 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
-
- 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
- E04G21/0427—Devices for both conveying and distributing with distribution hose on a static support, e.g. crane
-
- 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
-
- 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
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
Definitions
- the invention relates to a concrete pump with a stationary or mobile frame, with a frame-fixed base, with a rotary head, which is rotatably mounted on a bearing block of the substructure by means of a drive mechanism about a vertical axis, with a trained as a concrete distributor boom, a conveyor line supporting arm, which is articulated to a bearing point of the rotary head with a horizontal pivot axis, and with a hydraulic cylinder / piston unit, which is articulated with their cylinder fixed and piston rod fixed ends to a spaced from the bearing point boom side and turret side pivot point, each with a horizontal hinge axis ,
- the delivery line can be acted upon by a bottom feed pipe and a centrally through the turret cross-connecting pipe with liquid concrete, wherein the connecting pipe at one end to a vertical axis of rotation of the rotary head coaxial rotary coupling to the feed tube and a coaxial to the horizontal pivot axis of the boom rotary coupling with the boom-side delivery
- Known concrete pumps of this type have a distribution boom as a boom, which carries a concrete delivery line, which is connected to the pressure connection of a frame fixedly arranged core pump.
- the drive mechanism for the rotary head usually has a drive pinion rigidly connected to the bearing block.
- the bearing block is first introduced with its drive pinion in the drive mechanism on the base and then bolted to the base. A lot of care is required so that the teeth of the drive pinion are not damaged. Therefore, the assembly is usually made at the factory.
- many construction sites can not be operated with concrete pumps due to lack of space.
- a drive pinion of the substructure carries a protruding over the substructure coaxial pin and at least one eccentrically arranged rotational driver element
- the bearing block has a complementary to the mating pin, releasably attachable to this receptacle and at least one releasably engageable with the Drehmit FIFAelement entrainment
- the separation point between the base and the boom is there so between the base and the bearing block, so that the fairly heavy bracket is part of the boom, which must be removed during the change process from the base.
- the present invention seeks to improve the concrete pump of the type specified in that the separation point between the base and the distribution boom is simplified.
- the solution according to the invention is based on the idea that by laying the separation point in the region of the rotary head, the locating pin of the known arrangement becomes unnecessary.
- the rotary head has a base section arranged on the bearing block and an adapter piece comprising the bearing point for the boom and the swivel-head-side articulation point for the cylinder / piston unit, that the base section and the adapter piece are connected via a Separating point are releasably coupled together, and that the connecting pipe is divided into a connected to the base part, connected to the feed pipe first sub-pipe and connected to the adapter piece, connected to the boom side delivery line second sub-pipe, wherein the first and the second sub-pipe in the Separation point via a pipe coupling are releasably coupled together.
- a preferred embodiment of the invention provides that the base part and the adapter piece at its separation point at least two pairs positively connected with each other connectable coupling elements.
- a preferred embodiment of the invention provides that in each case a first group of coupling elements are designed as Ein weakness institute and a second group of coupling elements as receptacles for the suspension elements.
- the adapter piece is provided with two hook-in elements or hook-in element pairs and the base section is provided with two receptacles or pairs of receptacles open at the top, which are spaced apart at least in the vertical direction.
- the boom can be hung with the adapter piece by means of a crane in the recordings of the base section.
- this can be done suitably by a simple vertical lowering movement of the boom by the crane.
- Also conceivable would be a combined horizontal and vertical movement of the boom by the crane during the hanging process.
- the boom can be lifted by crane from the base of the turret.
- the lower of the two receptacles or pairs of receptacles is connected to the front edge of the upper receptacle via a stop flank adjoining on its trailing flank, preferably pointing obliquely upwards. In this case, it comes at the lateral approach and lowering of the boom initially to a stop of the lower suspension element against the stop edge, so that the suspension elements are automatically introduced from the top in their recordings in further lowering of the boom. It is particularly advantageous if the upper receptacle has a steeper front flank than the lower receptacle.
- leading edge of the lower receptacle forms a circular section, the center of which is arranged in the bottom region of the upper receptacle, it is still possible to hook in the lower suspension element even if the upper suspension element has already penetrated into its upper receptacle.
- a further improvement in this regard is achieved according to an advantageous embodiment of the invention, when the two have a laterally spaced upper and lower receptacles each have an outer inlet flank and an inner support flank for the Ein stressele- elements and when the support flanks at their lowest points latching recesses have for locking the suspension elements in the coupled state between the adapter piece and the base part.
- a safety connection is still produced, for example, by means of a plug-in or latching bolt between the adapter piece and the base part. This can be accomplished by a fitter from an underlying platform.
- a further advantageous embodiment of the invention provides that the adapter piece has two arranged at a defined distance from one another side plates whose gap is bridged by at least one trained as Einticianbolzen Ein rehabilitationelement, whereas the base part has at least one upwardly open-edge receptacle for the Ein horrbolzen.
- the base section expediently in the region of the receptacles has a width which is smaller than or equal to the clear width between the side plates of the adapter piece.
- the adapter piece in the region of the lower edge of its side plates and / or the base part in the region of its upper edge have run-on slopes, which facilitate the merging of the adapter piece and the base part.
- the adapter piece has at least two pairwise mirror-symmetrically on the side panels on opposite sides protruding, designed as Einschzapfen hooking elements, while the base section has two spaced apart side walls each have at least one upwardly open-edge receptacle for the Ein disorderzapfen.
- the adapter piece in the region of the pin expediently has a width which is less than or equal to the clear width between the side walls of the base part.
- the base section should be near the top of her Side walls and / or the adapter piece in the region of the lower edge of their side panels have chamfers, which facilitate the merging of the adapter piece and the base section.
- a further advantageous structural embodiment of the invention may consist in that the side plates of the adapter piece are held by at least one bridge bridging the gap at a distance from each other.
- Fig. 1a is a side view of a mobile and two stationary substructures for a boom designed as an arm package of a distributor boom;
- Fig. 1 b is a representation corresponding to FIG. 1 a without a mobile substructure for
- FIG. 2a is an enlarged detail of Fig. 1 a;
- FIG. 2b shows an enlarged detail of Figure 1 b.
- 3a is a side view of the arm package and a stationary base to illustrate the Einitativorgangs
- FIG. 3b is a view corresponding to FIG. 3a in an enlarged view with arm package mounted on the substructure;
- FIG. 3c is a representation corresponding to FIG. 3b for a modified embodiment;
- 4a and b is a side view and a perspective view of the adapter piece for the arm package of Figure 3a to c.
- Fig. 5a and b a modified embodiment of a rotary head with
- Base part and adapter piece in a perspective exploded view and in a side view;
- FIGS. 5a and b shows a further side view of the rotary head according to FIGS. 5a and b in the mounted state
- Fig. 6 is a perspective exploded view of the adapter piece after
- FIG. 8a shows a further embodiment of a rotary head with arm package in a separate state; 8b to e an enlarged detail of Fig. 8a in different
- FIG. 8f and g the embodiment of FIG. 8a to e mounted in the
- the implement illustrated in the drawing is designed as a concrete pump with a mobile or stationary frame 10, 10 ', 10 "The mobile concrete pump shown in the left-hand area of Fig. 1a has a substructure 14 arranged on a chassis 12 for receiving a distribution boom formed on the chassis 12, a core pump 18 is mounted with material feed container 20, the outlet nozzle via a Feeding tube 1 10 is connected to a carried over the distributor boom concrete delivery line 22.
- the stationary masts 24, 26, which are additionally shown in FIG. 1, have a stationary frame 10 ', 10 "designed as a tubular column 28, which bear the respective substructure 14', 14" for the jib 16 at its upper part.
- the substructure 14, 14 ', 14 "additionally has, in all variants, a rotary head 32 rotatable about a vertical axis of rotation 30, the drive mechanism 33 of which is integrated in a bearing block 35 of the substructure 14, 14', 14".
- the boom 16 forming arm package 34 has a plurality of pairs against each other pivotable, the concrete conveyor line 22 supporting mast arms 1, 2, 3, 4.
- the arm 16 is pivotably mounted with its first mast arm 1 in the assembled state at a bearing point 36 of the turret 32 about a horizontal pivot axis 38.
- the hydraulic cylinder-piston unit 40 is provided with its cylinder-fixed end 42 and with its rod end 44 fixed to one at a distance from the bearing 36 jib-side articulation point 46 and turret-side articulation point 48 is articulated with horizontal hinge axis 49.
- the rotary head 32 has a bearing block 35 arranged on the base portion 50 and a bearing 36 for the boom 16 and the turret side pivot point 48 for the cylinder-piston unit 40 comprehensive adapter piece 52.
- the base portion 50 and the adapter piece 52 are releasably coupled together via a separation point 54.
- the adapter piece 52 has two peg-shaped hooking elements 56 ', 57' directed in pairs in opposite directions, while the base section 50 has two paired, upwardly open-edged receptacles 58, 59 for the suspension elements 56 ', 57', which have a distance s from each other at least in the vertical direction.
- the adapter piece 52 consists of two side plates 60 and two spacing bolts 56, 57 holding the side plates 60 at a predetermined distance from each other, wherein the spacing bolts 56, 57 tap with their free bolt ends to form the pins - Shaped suspension elements 56 ', 57' pass through recesses 64, 65 in the side plates 60 to the outside.
- the holes shown in Fig. 4a and 4b form the bearing point 36 for the boom 16 and the turret-side pivot point 48 for the cylinder-piston unit 40th
- the base section 50 has two spaced side walls 66, in which the upwardly open-edge receptacles 58, 59 are arranged.
- the respective upper one of the two receptacles 58 is connected to the trailing edge of the lower receptacle 59 via an abutment edge 68, which adjoins the front edge obliquely downwards.
- a stop of the lower suspension elements 57 'against the abutment edge 68 occurs, so that the suspension elements 56', 57 'on further lowering of the boom 16 be imported from above into the receptacles 58, 59. If, as shown in Fig.
- the leading edge 70 of the lower receptacle 59 forms a portion of a circular arc 71 whose center is located in the sole region of the upper receptacle 58, then even the insertion of the lower suspension element 57 'in the receptacle 59 is possible when the upper suspension element 56 'has already penetrated into its upper receptacle 58.
- the described construction with simple means allows the implementation of a designed as arm package 34 boom 16 between different stationary and mobile racks 10, 10 ', 10 "for mounting on the chassis 12 is the adapter piece 52.
- the arm package 34 can be attached directly to the preassembled turret 32 without the adapter piece 52.
- the adapter piece 52 substantially facilitates the assembly of the arm package 34 to the stationary columnar racks 10 ', 10', whose substructure 14 ' , 14 "is fitted with a preassembled base portion 50 of the rotary head 32 having the features described above
- the adapter piece 32 is preassembled in the arm package 34 in the manner shown in Figures 2a and 2b. 10 "is then carried out by means of a crane, not shown, via a rope or a crane harness 74 on the boom 16 in whose center of gravity position 82 is fixed.
- FIGS. 5a to 7b show a further exemplary embodiment of a rotary head 32 with adapter piece 52, which differs from the above-described exemplary embodiment according to FIGS. 1 to 4 in the following features: As can be seen in particular from FIGS.
- the adapter piece 52 has two spaced-apart side plates 60, the gap is bridged by two trained as Einticianbolzen Ein vonmaschinen 56, 57, whereas the base section has two upwardly open-edged receptacles 58, 59 for the Ein vonzen 56, 57 up ,
- the base portion 50 in the area of the receptacles 58,
- the adapter piece 52 in the region of the lower edge of its side panels run-up slopes 92 for the base section 50, while the base section 50 in the region of its upper edge bevels 94 for the adapter piece 52 has.
- the ramps 92, 94 facilitate the merging of the adapter piece 52 and the base portion 50.
- the side plates 60 of the adapter piece 52 are held by at least one of the gap 96 bridging web 98 at a distance from each other.
- the connecting tube is connected at one end to the feed tube 1 10 via a rotary coupling 1 1 1 coaxial with the vertical axis of rotation 30 of the rotary head 32 and connected at the other end to the boom-side delivery line 22 via a rotary coupling 84 coaxial with the horizontal pivot axis 38 of the arm 52 ,
- the connecting tube is in turn divided in the region of the separation point 54 in a connected to the base section 50 and connected to the feed tube 1 10 first sub-pipe 1 12 and connected to the boom-side delivery line 22 second sub-pipe 108, wherein the first sub-pipe 1 12 and the second sub-pipe 108 can be detachably coupled to one another at their tube ends 86, 88 via the tube coupling 90.
- the partial tubes 108, 1 12 of the connecting tube with dissolved tube coupling 90 in the region of their mutually facing tube ends 86, 88 axially and radially movable relative to each other.
- the pipe coupling 90 between the sub-pipes 108, 1 12 accessible through a recess 130 in the base section through from the outside.
- FIGS. 8a to f differs from the preceding embodiments in particular in the geometric contour of the two receptacles 58, 59 in the base section 50.
- the two receptacles 58, 59 are at a lateral distance from one another and at different heights arranged on the base section 50.
- the two receivers 58, 59 each have an outer inlet flank 120 ', 120 "and an inner supporting flank 122', 122" for the suspension elements 57, 56 on the adapter piece 52.
- a special feature consists in that the supporting flanks have detent recesses 124 ', 124 "at their deepest points for latching the suspension elements 57, 56 in the coupled state between the adapter piece 52 and the base section 50.
- FIGS. 8a to g A further advantage of the embodiment variant shown in FIGS. 8a to g is that the cylinder / piston unit 40 can be in the retracted end position of the piston rod during the hanging process.
- the invention relates to a working device with a stationary or mobile frame 10,10 ', 10 ", a frame-fixed base 14, 14', 14", one on a bearing block 35 of the substructure by means of a drive mechanism 33 to a vertical axis of rotation 30 rotatable turret 32 and a boom 16 has.
- the boom 16 is pivotally mounted at a bearing 36 of the turret 32 about a horizontal pivot axis 38.
- a hydraulic cylinder the piston unit 40 is provided, which is articulated with its cylinder-fixed and piston rod fixed ends 42, 44 on the boom side and turret-side An steering points 46, 48 with a horizontal hinge axis.
- a special feature of the invention consists in that the rotary head 32 has a base part 50 arranged on the bearing block 35 and an adapter piece 52 comprising the bearing point 36 for the boom 16 and the turret-side articulation point 48 for the cylinder-piston unit 40.
- the base portion 50 and the adapter piece 52 are releasably coupled together via a separation point 54.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012224529.4A DE102012224529A1 (en) | 2012-12-28 | 2012-12-28 | Implement with turret cutting point |
PCT/EP2013/077587 WO2014102169A1 (en) | 2012-12-28 | 2013-12-20 | Concrete pump with distributing boom |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2938795A1 true EP2938795A1 (en) | 2015-11-04 |
EP2938795B1 EP2938795B1 (en) | 2016-11-16 |
Family
ID=49918688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13817923.9A Not-in-force EP2938795B1 (en) | 2012-12-28 | 2013-12-20 | Concrete pump with distributing boom |
Country Status (9)
Country | Link |
---|---|
US (1) | US9546649B2 (en) |
EP (1) | EP2938795B1 (en) |
JP (1) | JP6232445B2 (en) |
KR (1) | KR20150099608A (en) |
CN (1) | CN105051298B (en) |
BR (1) | BR112015015151A2 (en) |
DE (1) | DE102012224529A1 (en) |
RU (1) | RU2638674C2 (en) |
WO (1) | WO2014102169A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013206366A1 (en) * | 2013-04-11 | 2014-10-16 | Putzmeister Engineering Gmbh | Mobile concrete pump with distribution boom and outriggers |
DE102013209878A1 (en) * | 2013-05-28 | 2014-12-04 | Putzmeister Engineering Gmbh | Implement with arranged on a turret work boom |
DE102014200396A1 (en) * | 2014-01-13 | 2015-07-30 | Putzmeister Engineering Gmbh | Truck-mounted concrete pump and protection circuit for it |
DE102014208472A1 (en) * | 2014-05-06 | 2015-11-12 | Putzmeister Engineering Gmbh | Concrete pump |
US9872156B2 (en) | 2015-08-26 | 2018-01-16 | David Aldworth | Routing of toll-free numbers and text messages using a toll-free exchange |
CN112252727A (en) * | 2020-08-26 | 2021-01-22 | 河北雷萨重型工程机械有限责任公司 | Arm support device and engineering machinery |
KR102535284B1 (en) * | 2021-06-17 | 2023-05-26 | 전진건설로봇(주) | Boom installation structure for work equipments |
CN113719126B (en) * | 2021-09-14 | 2022-09-23 | 上海建工一建集团有限公司 | Automatic pouring equipment and method for oversized-range large-storey high wall concrete |
DE102022113589A1 (en) | 2022-05-30 | 2023-11-30 | Schwing Gmbh | Receiving device for placing a sling on a distribution boom and distribution boom |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047162A (en) * | 1983-08-23 | 1985-03-14 | 極東開発工業株式会社 | Concrete pump vehicle equipped with concrete transfer boom apparatus |
JPS61102967A (en) * | 1984-10-24 | 1986-05-21 | 石川島播磨重工業株式会社 | Method and apparatus for supporting boom of concrete pump vehicle |
DE3927268C1 (en) * | 1989-08-18 | 1991-02-14 | Ernst Dipl.-Ing. 5983 Balve De Korthaus | |
JPH0714558Y2 (en) * | 1990-12-28 | 1995-04-10 | 株式会社新潟鉄工所 | Concrete pump boom equipment |
JPH05149002A (en) * | 1991-11-29 | 1993-06-15 | Kyokuto Kaihatsu Kogyo Co Ltd | Concrete placer |
DE9212417U1 (en) * | 1992-09-15 | 1993-01-28 | Welzel, Andreas, 8052 Moosburg, De | |
DE4439930C2 (en) * | 1994-11-08 | 1996-10-10 | Hudelmaier Ulrike | Device for pumping concrete |
DE19608549C2 (en) * | 1996-03-06 | 1998-03-19 | Lewin Heinz Ulrich | Construction machine with quickly changing boom |
DE29802248U1 (en) * | 1998-02-10 | 1998-06-10 | Michels Gmbh & Co Kg | Crane supported on a chassis of an all-terrain vehicle |
JPH11311025A (en) * | 1998-04-28 | 1999-11-09 | Taisei Corp | Concrete distributor |
US6170607B1 (en) * | 1998-07-01 | 2001-01-09 | Altec Industries, Inc. | Electrical hazard warning system for aerial devices |
DE19959070A1 (en) | 1999-12-08 | 2001-06-13 | Putzmeister Ag | Distribution boom for concrete pumps |
US6698451B2 (en) * | 2001-02-23 | 2004-03-02 | Schwing America, Inc. | Conveying pipeline mounted inside a boom |
DE102004007509A1 (en) * | 2004-02-13 | 2005-09-01 | Putzmeister Ag | Truck-mounted concrete pump with a chassis-fixed mast support unit for a distribution boom |
DE102005026120A1 (en) * | 2005-06-07 | 2006-12-14 | Hudelmaier, Götz | Telescopic mast with liquid concrete delivery tube has pipe separation and extension insertion station |
WO2008055282A1 (en) * | 2006-11-07 | 2008-05-15 | Garard Pty Limited | Construction apparatus and an associated method |
JP4713516B2 (en) * | 2007-02-16 | 2011-06-29 | 日立建機株式会社 | Construction machinery |
DE102011078783A1 (en) * | 2011-07-07 | 2013-01-10 | Putzmeister Engineering Gmbh | Distribution boom for concrete pumps |
-
2012
- 2012-12-28 DE DE102012224529.4A patent/DE102012224529A1/en not_active Withdrawn
-
2013
- 2013-12-20 WO PCT/EP2013/077587 patent/WO2014102169A1/en active Application Filing
- 2013-12-20 EP EP13817923.9A patent/EP2938795B1/en not_active Not-in-force
- 2013-12-20 KR KR1020157020317A patent/KR20150099608A/en not_active Application Discontinuation
- 2013-12-20 US US14/651,703 patent/US9546649B2/en not_active Expired - Fee Related
- 2013-12-20 BR BR112015015151A patent/BR112015015151A2/en not_active IP Right Cessation
- 2013-12-20 CN CN201380071423.6A patent/CN105051298B/en not_active Expired - Fee Related
- 2013-12-20 JP JP2015550042A patent/JP6232445B2/en not_active Expired - Fee Related
- 2013-12-20 RU RU2015131114A patent/RU2638674C2/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2014102169A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP6232445B2 (en) | 2017-11-15 |
RU2638674C2 (en) | 2017-12-15 |
EP2938795B1 (en) | 2016-11-16 |
US9546649B2 (en) | 2017-01-17 |
JP2016503133A (en) | 2016-02-01 |
KR20150099608A (en) | 2015-08-31 |
CN105051298A (en) | 2015-11-11 |
DE102012224529A1 (en) | 2014-07-03 |
US20150316043A1 (en) | 2015-11-05 |
WO2014102169A1 (en) | 2014-07-03 |
RU2015131114A (en) | 2017-02-02 |
CN105051298B (en) | 2017-04-12 |
BR112015015151A2 (en) | 2017-07-11 |
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