DE3139675A1 - Output distributing hose of a concrete distributing device - Google Patents
Output distributing hose of a concrete distributing deviceInfo
- Publication number
- DE3139675A1 DE3139675A1 DE19813139675 DE3139675A DE3139675A1 DE 3139675 A1 DE3139675 A1 DE 3139675A1 DE 19813139675 DE19813139675 DE 19813139675 DE 3139675 A DE3139675 A DE 3139675A DE 3139675 A1 DE3139675 A1 DE 3139675A1
- Authority
- DE
- Germany
- Prior art keywords
- concrete
- hose
- mouthpiece
- diameter
- distributing
- 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
- 239000007788 liquid Substances 0.000 claims 1
- 239000011324 bead Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
-
- 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
- E04G21/0454—Devices for both conveying and distributing with distribution hose with booms with boom vibration damper mechanisms
-
- 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
- E04G2021/049—Devices for both conveying and distributing concrete mixing nozzles specially adapted for conveying devices
Landscapes
- 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)
Abstract
Description
Beschreibung Die vorliegende Erfindung bezieht sich auf eine aus einer Mehrzahl von Förderrohren zusammengesetzte Verteilereinrichtung für zähflüssige Massen, insbesondere Beton, die eingangsseitig mit einer wechselweise im Saug- und Druckhub arbeitenden Pumpe verbunden ist und ausgangsseitig einen flexiblen Endverteilerschlauch aufweist. Description The present invention relates to an from a plurality of delivery pipes assembled distribution device for viscous Masses, especially concrete, the input side with an alternating suction and Pressure stroke working pump is connected and on the output side a flexible end distribution hose having.
Betonverteilereinrichtungen dieser Art sind bekannt und werden im allgemeinen in Kombination mit Aufbaufahrzeugen (Autobetonpumpe), Rohrsäulen (Baustellenpumpe) oder Hochbaukranen eingesetzt. Aufgrund der wechselweisen (impulsartigen) Arbeitsweise der Betonpumpe im Saug- und Druckhub und der damit korrespondierenden impulsartigen Entleerung am Endverteilers chlauch kommt es häufig vor, daß die Betonsäule am Ausgang dieses Endverteilerschlauchs abreißt. Dies bedeutet aber auch, daß die Betonverteilereinrichtung selbst ins Schwingen gerät und zwar angeregt durch die Frequenz der Pumpfrequenz der Pumpe. Diese Schwingungen können nun einerseits zu unangenehmen Resonanzerscheinungen im Hinblick auf die Gesamtkonfiguraüon führen. Andererseits ist leicht einzusehen, daß die Handhabung des das Ende der Betonverteilereinrichtung bildenden Endverteilers chlauchs äußerst schwierig ist, wenn er ständig schwingt. Concrete distribution devices of this type are known and are in generally in combination with construction vehicles (truck-mounted concrete pump), tubular columns (construction site pump) or high-rise cranes are used. Due to the alternating (impulse-like) way of working the concrete pump in the suction and pressure stroke and the corresponding pulse-like Drainage at the end distributor hose, it often happens that the concrete column at the exit this end distribution hose tears off. But this also means that the concrete distribution device itself starts to vibrate, stimulated by the frequency of the pumping frequency the pump. On the one hand, these vibrations can lead to unpleasant resonance phenomena with regard to the overall configuration. On the other hand, it is easy to see that the handling of the end distributor forming the end of the concrete distributor hose is extremely difficult when it vibrates constantly.
Die der vorliegenden Erfindung zugrundeliegende Aufgabe ist es, die Betonverteilereinrichtung der eingangs genannten Art so zu verbessern, daß ein kontinuierlicher Betonfluß entsteht und das Leerlaufen des Endverteilerschlauchs vermieden ist. The object underlying the present invention is the To improve concrete distribution device of the type mentioned so that a continuous Concrete flow is created and the drainage of the end distribution hose is avoided.
Diese Aufgabe wird dadurch gelöst, daß der Endverteilerschlauch endseitig ein zusätzliches elastisches Mundstück aufweist, das ausgangsseitig durchmesserveränderlich ist und zwar derart, daß der Durchmesser im Ruhezustand geringer ist als im Arbeitszu stand.This object is achieved in that the end distribution hose has an additional elastic mouthpiece, the diameter of which is variable on the output side is in such a way that the diameter in the rest state is smaller than in Arbeitszu was standing.
Die Erfindung wird im folgenden anhand der Zeichnungen näher erläutert: Fig. 1 zeigt den wesentlichen Teil einer Betonverteilereinrichtung; Fig. 2 zeigt das erfindungsgemäß vorgesehene Mund stück des Endverteilerschlauchs in den beiden Funktionszuständen.The invention is explained in more detail below with reference to the drawings: Fig. 1 shows the essential part of a concrete distribution device; Fig. 2 shows the inventively provided mouth piece of the end distribution hose in the two Functional states.
Fig. 3 zeigt die Ausbildung des Endschlauchausgangs. Fig. 3 shows the design of the end hose outlet.
In Fig. 1 ist eine auf einem Drehturm 1 aufgesetzte Betonverteilereinrichtung 2 dargestellt, die sich aus einer Mehrzahl über Hydraulik-bzw. Pneumatikzylinder 3 höhenverstellbarer Haltearme 4 für die Förderrohre zusammensetzt. Der Drehturm 1 selbst kann beispielsweise auf einem Aufbaufahrzeug, einer Roher säule oder einem entsprechenden Adapter eines Baukrans aufgesetzt sein.In Fig. 1 is a mounted on a rotating tower 1 concrete distribution device 2 shown, which is made up of a plurality of hydraulic or. Pneumatic cylinder 3 height-adjustable holding arms 4 composed for the conveyor pipes. The rotating tower 1 itself can, for example, be mounted on a construction vehicle, a Roher column or a appropriate adapter of a construction crane.
Aufgrund der Höhenverstellbarkeit. einerseits und der Drehmöglichkeit andererseits kann mit dieser Betonverteilereinrichtung 2 innerhalb der durch die Länge der Förderrohre bzw. ihrer Haltearme 4 und eines abschließenden Endverteilerschlauchs 5 bestimmten Reichweite theoretisch jeder beliebige Punkt erreicht und mit Beton versorgt werden. Der Endverteilerschlauch 5 selbst ist mit dem letzten Haltearm 4 der Betonverteilereinrichtung 2 bzw.Due to the height adjustability. on the one hand and the ability to rotate on the other hand, with this concrete distribution device 2 within the by the Length of the delivery pipes or their holding arms 4 and a final distribution hose 5 certain reach theoretically any point reached and with concrete are supplied. The end distribution hose 5 itself is with the last holding arm 4 of the concrete placing device 2 resp.
dem davon gestützten Ausgangsförderrohr über eine Schalenkupplung verbunden und kann über der Einbaustelle 6 frei bewegt werden (Richtung X).the output conveyor pipe supported by it via a shell coupling connected and can be moved freely over the installation point 6 (direction X).
Die erfindungsgemäße Einrichtung bezieht sich auf den Endverteilerschlauch und zwar auf dessen offenes Endstück.The device according to the invention relates to the end distribution hose namely on its open end piece.
Dieses Detail ist in Fig. 1 mit "A" gekennzeichnet und Gegenstand von Fig. 2- und Fig. 3.This detail is marked "A" in Fig. 1 and is the subject matter of FIGS. 2 and 3.
In Fig. 2a ist das Endstück des Endverteilerschlauchs 5 dargestellt, an welches mittels Schlauchklemmen 7 eine Schlauchtülle 8 angeklemmt ist. An die Schlauchtülle 8 ist mittels einer Flanschkupplung 9 ein im wesentlichen zylindrisches Mundstück 10 aus elastischem und abriebfestem Material angeklemmt. Dieses Mundstück 10 ist an seinem freien Ende so ausgebildet, daß der Randdurchmesser im Ruhezustand geringer ist als im Arbeitszustand, d. h. beim Ausdrücken einer Betonsäule.In Fig. 2a the end piece of the end distribution hose 5 is shown, to which a hose nozzle 8 is clamped by means of hose clamps 7. To the Hose nozzle 8 is essentially cylindrical by means of a flange coupling 9 Clamped mouthpiece 10 made of elastic and abrasion-resistant material. This mouthpiece 10 is designed at its free end so that the edge diameter in the rest state is less than in working condition, d. H. when pushing out a concrete column.
In der Darstellung nach Fig. 2a ist das Mundstück 10 in Ruhestellung gezeigt, d.h. der Auslaßdurchmesser OC am Mundstück 10 ist geringer als der Innendurchmesser ß der Schlauchtülle 8 und des zylindrischen Teils des Mundstücks 10.In the illustration according to FIG. 2a, the mouthpiece 10 is in the rest position shown, i.e. the outlet diameter OC at the mouthpiece 10 is less than the inner diameter ß the hose nozzle 8 and the cylindrical part of the mouthpiece 10.
Wird nun - vgl. Fig. 2b - die Betonsäule durch den Endverteilerschlauch 5 und das Mundstück 10 geschoben, so weitet sich der Auslaßdurchmesser des Mundstücks 10 so weit ((3), daß von der Schlauchtülle bis zum Ende des Mundstücks die Betonsäule einen konstanten Durchmesser F hat.If now - see Fig. 2b - the concrete column through the end distribution hose 5 and the mouthpiece 10 pushed, the outlet diameter of the mouthpiece widens 10 so far ((3) that the concrete column extends from the hose nozzle to the end of the mouthpiece has a constant diameter F.
Ist nun der Druckhub der Betonpumpe beendet, so wird kein Beton mehr aus dem Mundstück 10 ausgedrückt. Dies bedeutet nun, daß der Auslaßdurchmesser des Mundstücks sich wieder in seinen Ruhezustand (Durchmesser 0; ) kontrahieren kann. Damit entsteht nun - vgl. Fig. 2a - für die Betonsäule im Endverteilerschlauch bzw.If the pressure stroke of the concrete pump is now over, no more concrete is made expressed from the mouthpiece 10. This means that the outlet diameter of the Mouthpiece can contract back into its resting state (diameter 0;). This now creates - see Fig. 2a - for the concrete column in the end distribution hose or
im Mundstück ein Durchflußwiderstandsmoment, das ein Leerlaufen des Endverteilerschlauchs verhindert.a flow resistance moment in the mouthpiece that prevents the End distribution hose prevented.
Damit reißt nun während der Umschaltphasen der Betonpumpe von einem Pumpenzylinder zum anderen der Betonförderstrom nicht mehr ab. Dies führt einerseits zu einem kontinuierlichen Betonfluß und vermeidet andererseits das Schwingen der Betonverteilereinrichtung einschließlich des Endverteilerschlauchs.This means that the concrete pump now breaks during the switching phases On the other hand, the pump cylinder no longer decreases the concrete flow rate. This leads on the one hand to a continuous flow of concrete and on the other hand avoids the oscillation of the Concrete distribution equipment including the end distribution hose.
Das offene Ende des Mundstücks 10 ist derart ausgebildet, daß es einen kreisförmigen, hohlen Wulst 11 bildet, dessen Elastizität den gestellten Anforderungen entspricht. Dies bedeutet, daß während des Ruhezustands die Wulst sich zur Mundstücksachse hin verengt ( Durchmesser OC ) und daß die Wulst im Arbeitszustand erweitert ist ( Durchmesser ß ). Diese spezielle Ausbildung ist jedoch nur als eine beispielhafte Ausführungsform zu verstehen. Es liegt jederzeit im Können des Durchschnittsfachmanns, auch andere Ausführungsformen im Hinblick auf die Durchmesserveränderlichkeit des Mundstückendes zu realisieren.The open end of the mouthpiece 10 is formed such that there is a circular, hollow bead 11, the elasticity of which meets the requirements is equivalent to. This means that during the rest state the bead moves towards the mouthpiece axis narrowed towards (diameter OC) and that the bead is expanded in the working state (Diameter ß). However, this specific training is only given as an example Understand embodiment. It is always within the ability of the average specialist also other embodiments with regard to the variability of the diameter To realize the mouthpiece end.
Bezugszeichen 1 Drehturm 2 Betonverteilereinrichtung 3 Hydraulik-bzw. Pneumatikzylinder 4 Haltearm 5 Endverteilerschlauch 6 Einbaustelle 7 Schlauchklemme 8 Schlauchtülle 9 Flanschkupplung 10 Mundstück 11 Wulst (des Mundstücks) Durchmesser der Wulst im Ruhezustand Durchmesser der Wulst im Arbeitszustand Reference number 1 rotating tower 2 concrete distribution device 3 hydraulic or. Pneumatic cylinder 4 Holding arm 5 End distribution hose 6 Installation location 7 Hose clamp 8 hose nozzle 9 flange coupling 10 mouthpiece 11 bead (of the mouthpiece) diameter the bead at rest Diameter of the bead at work
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3139675A DE3139675C2 (en) | 1981-10-06 | 1981-10-06 | End distribution hose of a concrete distribution device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3139675A DE3139675C2 (en) | 1981-10-06 | 1981-10-06 | End distribution hose of a concrete distribution device |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3139675A1 true DE3139675A1 (en) | 1983-04-21 |
DE3139675C2 DE3139675C2 (en) | 1984-10-11 |
Family
ID=6143499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3139675A Expired DE3139675C2 (en) | 1981-10-06 | 1981-10-06 | End distribution hose of a concrete distribution device |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3139675C2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6068025A (en) * | 1997-02-21 | 2000-05-30 | Putzmeister Aktiengesellschaft | Delivery line for cement |
DE102007032424A1 (en) * | 2007-07-10 | 2009-01-22 | Putzmeister Concrete Pumps Gmbh | End tube for use in distribution mast for slurry pump, for discharging viscous substance i.e. liquid cement, has outlet-sided tube comprising discharge opening and passage that tapers conically towards opening |
AT12221U3 (en) * | 2010-11-24 | 2012-05-15 | Nestler Baumaschinenhandel Gmbh Ing | INTERIOR CONCRETE BRAKE FOR CONCRETE PUMP SCREEN |
CN103253170A (en) * | 2013-04-25 | 2013-08-21 | 中国人民解放军海军后勤技术装备研究所 | Fluid delivery boom system and vehicle |
NL2017756B1 (en) * | 2016-07-08 | 2018-01-15 | Faber Betonpompen B V | Fall inhibitor for pouring concrete, provided with a concrete hose and method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE571874C (en) * | 1933-03-06 | Carlshuette Akt Ges Fuer Eisen | Rubber lip valve | |
FR1424503A (en) * | 1964-12-02 | 1966-01-14 | Improvements to diaphragm pumps and expandable suction cups | |
FR1599450A (en) * | 1968-12-26 | 1970-07-15 | ||
DE7538594U (en) * | 1975-12-04 | 1976-04-15 | Pfaff, Franz, 7615 Zell | DEVICE FOR FILLING FORMWORK WITH CONCRETE |
DE2901012A1 (en) * | 1978-01-13 | 1979-07-19 | Sabema Material Ab | Concrete supply and construction below water - has duct moved sideways in stages with concrete supply interrupted for re-siting |
-
1981
- 1981-10-06 DE DE3139675A patent/DE3139675C2/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE571874C (en) * | 1933-03-06 | Carlshuette Akt Ges Fuer Eisen | Rubber lip valve | |
FR1424503A (en) * | 1964-12-02 | 1966-01-14 | Improvements to diaphragm pumps and expandable suction cups | |
FR1599450A (en) * | 1968-12-26 | 1970-07-15 | ||
DE7538594U (en) * | 1975-12-04 | 1976-04-15 | Pfaff, Franz, 7615 Zell | DEVICE FOR FILLING FORMWORK WITH CONCRETE |
DE2901012A1 (en) * | 1978-01-13 | 1979-07-19 | Sabema Material Ab | Concrete supply and construction below water - has duct moved sideways in stages with concrete supply interrupted for re-siting |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6068025A (en) * | 1997-02-21 | 2000-05-30 | Putzmeister Aktiengesellschaft | Delivery line for cement |
DE102007032424A1 (en) * | 2007-07-10 | 2009-01-22 | Putzmeister Concrete Pumps Gmbh | End tube for use in distribution mast for slurry pump, for discharging viscous substance i.e. liquid cement, has outlet-sided tube comprising discharge opening and passage that tapers conically towards opening |
AT12221U3 (en) * | 2010-11-24 | 2012-05-15 | Nestler Baumaschinenhandel Gmbh Ing | INTERIOR CONCRETE BRAKE FOR CONCRETE PUMP SCREEN |
CN103253170A (en) * | 2013-04-25 | 2013-08-21 | 中国人民解放军海军后勤技术装备研究所 | Fluid delivery boom system and vehicle |
CN103253170B (en) * | 2013-04-25 | 2016-04-06 | 中国人民解放军海军后勤技术装备研究所 | Fluid delivery boom system and vehicle |
NL2017756B1 (en) * | 2016-07-08 | 2018-01-15 | Faber Betonpompen B V | Fall inhibitor for pouring concrete, provided with a concrete hose and method thereof |
Also Published As
Publication number | Publication date |
---|---|
DE3139675C2 (en) | 1984-10-11 |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: E04G 21/04 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee | ||
8380 | Miscellaneous part iii |
Free format text: IN HEFT 42/87, SEITE 9878, SP.3: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |
|
8339 | Ceased/non-payment of the annual fee |