EP0706869A1 - Mélangeur mobile - Google Patents

Mélangeur mobile Download PDF

Info

Publication number
EP0706869A1
EP0706869A1 EP95112965A EP95112965A EP0706869A1 EP 0706869 A1 EP0706869 A1 EP 0706869A1 EP 95112965 A EP95112965 A EP 95112965A EP 95112965 A EP95112965 A EP 95112965A EP 0706869 A1 EP0706869 A1 EP 0706869A1
Authority
EP
European Patent Office
Prior art keywords
cover
funnel
edge
opening
discharge funnel
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
Application number
EP95112965A
Other languages
German (de)
English (en)
Other versions
EP0706869B1 (fr
Inventor
Alfred Hingele
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.)
Liebherr Mischtecknik GmbH
Original Assignee
Liebherr Mischtecknik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liebherr Mischtecknik GmbH filed Critical Liebherr Mischtecknik GmbH
Publication of EP0706869A1 publication Critical patent/EP0706869A1/fr
Application granted granted Critical
Publication of EP0706869B1 publication Critical patent/EP0706869B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
    • B28C5/4203—Details; Accessories
    • B28C5/4234—Charge or discharge systems therefor

Definitions

  • the invention relates to a mixer truck with a mixing drum rotatably mounted on a vehicle frame and provided with a rotary drive, which has an opening provided with a circular edge at its rear end, with a discharge funnel which is fixed to the frame and which covers the lower region of the opening, and with a at its upper edge on a frame-fixed bracket or holding part, pivotally mounted, round, closing the opening, which a filling funnel passes through and which is sealed off from the edge of the opening by a seal that allows rotation of the mixing drum and which is sealed by a seal with this and a frame Part articulated pressure medium piston-cylinder unit between its closed position and its open position is pivotable.
  • a truck mixer of this type is known for example from EP 0 374 682 B1.
  • Truck mixers are increasingly being used to transport liquid mix, so that it is necessary to close the rear opening of the drum with a cover which prevents the liquid mix from spilling out.
  • a mixing drum 2 is rotatably mounted on the vehicle frame (not shown) of a truck about an axis of rotation 1 which rises obliquely towards the end of the vehicle.
  • the mixing drum 2 has at its rear end a circular opening 3 with a peripheral flange-shaped edge 4 that widens conically outwards.
  • the lower part of the flange-shaped edge 4 is bordered by a discharge funnel 5 that is fixed to the frame.
  • This outlet funnel 5 consists of two substantially U-shaped curved, obtuse angles to each other arranged groove-shaped parts 6, 7, whose lower legs overlap the flange-shaped edge 4 of the mixing drum 2 in corresponding cutouts.
  • the two channel-shaped parts 6, 7 of the discharge funnel are welded together in the region of the vertical central plane of the mixing drum 2 in such a way that they form an outlet opening 8.
  • the outlet funnel 5 is connected to the vehicle frame by lateral holding pieces 9, 10 and intermediate blocks or supports, not shown.
  • a support bracket 14 is connected via holding pieces 12, 13, at the apex region of which a circular closure 17 is articulated by a joint 15 via a support piece 16.
  • An inlet funnel 18 passing through this is connected to the cover 17.
  • a pressure medium piston-cylinder unit 19 is provided, the cylinder of which is articulated in the center on a triangular plate 20, which is welded to the outer legs of the side parts 6, 7 of the discharge funnel, and its piston rod on the middle upper one Area of the hopper 18 is articulated.
  • the cover 17 is shown in its closed position, in which the cover seal abuts the flange-shaped edge 4 of the mixing drum.
  • the lid 17 abuts the outer boundary wall of the discharge funnel 5 with its lower edge region, so that the opening angle ⁇ 1 of the lid 17 is limited.
  • this object is achieved in a truck mixer of the generic type in that the outlet funnel is provided with a round cutout corresponding to the contour of the lower region of the lid edge, which allows the lid to be swung out beyond the outlet funnel.
  • the opening angle of the cover is not limited by the outer wall of the discharge funnel, since the cover can be pivoted beyond it. If the pressure medium-piston-cylinder unit pivoting the cover is loosened or unhooked, it can even be folded back onto the mixing drum so that the opening of the mixing drum is fully released.
  • the curvature of the cutout of the discharge funnel is expediently adapted to the curvature of the cover in such a way that the cover can just pass the edge of the cutout when it is pivoted.
  • This configuration thus provides that only a narrow gap remains between the lid, which is pivoted into the area of the outer wall of the outlet funnel, and the cutout, so that during the emptying process the lid closes the outlet funnel to the outside and an undesired escape of mixed material via the Edge of the discharge funnel prevented.
  • An almost complete closure is achieved when the corresponding partially pivoted lid is in the level of the outer wall of the discharge funnel in the emptying position.
  • the lid is expediently mounted on a bracket, the legs of which are connected to the outer side parts of the outlet funnel.
  • Two lateral pressure medium piston-cylinder units can be provided for pivoting the cover. These pressure medium-piston-cylinder units are expediently each articulated to the side parts of the discharge funnel and the filling funnel.
  • the lid system according to FIGS. 1 to 4 differs from the known ones according to FIGS. 5 to 7 in that the upper edge 30 of the outer wall of the discharge funnel 5 is provided with an arcuately curved cutout, the contour of which is essentially determined by the particular one Edge region of the cover 17 is determined, which just passes through the plane of the outer wall of the funnel 5.
  • the lower region of the edge of the cover 17 is matched to the contour of the upper edge 30 of the outer wall of the discharge funnel 5 in such a way that a gap which is as narrow as possible remains between the two edges, which on the one hand enables the cover 17 to be swung freely over the discharge funnel 5 and on the other hand prevents an undesired escape of mixed material after pivoting the cover 17 into the emptying position.
  • pressure medium-piston-cylinder units 31, 32 are provided, the cylinders of which are articulated on holding pieces 33 which are connected to the upper lateral areas of the outlet funnel 5.
  • the piston rods of the pressure medium-piston-cylinder units 31, 32 are articulated on bow-shaped holding pieces 34, the legs of which are connected to the side walls of the inlet funnel 18 are welded.
  • the pressure medium piston-cylinder units 31, 32 which serve to pivot the cover 17 are arranged laterally outside the pivoting range of the cover 17 in the manner shown in FIG. 4, so that the cover 17 is also freely accessible via the pressure medium piston cylinder Units 31, 32 can swing out.
  • FIG 1 shows the lid system according to the invention in a position in which the lid 17 closes the opening of the mixing drum 2.
  • the cover 17 is pivoted out into its emptying position by an angle ⁇ 1, in which the lower edge region of the cover 17 is located in the region of the edge 30 of the cutout of the outer wall of the discharge funnel 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP95112965A 1994-10-13 1995-08-17 Mélangeur mobile Expired - Lifetime EP0706869B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9416517U DE9416517U1 (de) 1994-10-13 1994-10-13 Fahrmischer
DE9416517U 1994-10-13

Publications (2)

Publication Number Publication Date
EP0706869A1 true EP0706869A1 (fr) 1996-04-17
EP0706869B1 EP0706869B1 (fr) 2002-01-16

Family

ID=6914861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112965A Expired - Lifetime EP0706869B1 (fr) 1994-10-13 1995-08-17 Mélangeur mobile

Country Status (4)

Country Link
EP (1) EP0706869B1 (fr)
AT (1) ATE211961T1 (fr)
DE (2) DE9416517U1 (fr)
ES (1) ES2171479T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957908B1 (en) * 2001-09-15 2005-10-25 Oshkosh Truck Corporation Environmental shield for a truck mounted concrete mixer
CN108407094A (zh) * 2018-06-04 2018-08-17 莱州双象重工机械有限公司 自动上料搅拌机
CN111805745A (zh) * 2020-07-17 2020-10-23 安徽工业大学 一种搅拌车尾盖密封装置移动工装

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29621448U1 (de) * 1996-12-10 1997-02-06 Liebherr-Mischtechnik Gmbh, 88427 Bad Schussenried Verschluß
DE19956939A1 (de) 1999-11-26 2001-05-31 Eirich Maschf Gustav Vorrichtung und Verfahren zum Verschließen einer Entleeröffnung in einem drehenden Behälter

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267801A (en) * 1939-08-14 1941-12-30 T L Smith Co Transit concrete mixer
GB544299A (en) * 1941-05-09 1942-04-07 Chain Belt Co Method of and apparatus for mixing concrete
US2451555A (en) * 1944-10-23 1948-10-19 Chain Belt Co Means for charging, sealing, and discharging mixers
US4154534A (en) * 1977-07-28 1979-05-15 The Jaeger Machine Company Transit concrete mixer adapted for loading and discharging aggregates of a wide range of slump value
US4318621A (en) * 1977-05-09 1982-03-09 Jaeger Machine Company Transit concrete mixer with displaceable charging hopper
EP0374682B1 (fr) 1988-12-17 1991-09-25 Stetter Gmbh Malaxeur de béton pour camions
EP0642900A1 (fr) * 1993-05-05 1995-03-15 Stetter Gmbh Mélangeur monté sur véhicule pour mélanges aptes à couler comme du béton

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999843A (en) * 1931-10-09 1935-04-30 Blaw Knox Co Mixer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267801A (en) * 1939-08-14 1941-12-30 T L Smith Co Transit concrete mixer
GB544299A (en) * 1941-05-09 1942-04-07 Chain Belt Co Method of and apparatus for mixing concrete
US2451555A (en) * 1944-10-23 1948-10-19 Chain Belt Co Means for charging, sealing, and discharging mixers
US4318621A (en) * 1977-05-09 1982-03-09 Jaeger Machine Company Transit concrete mixer with displaceable charging hopper
US4154534A (en) * 1977-07-28 1979-05-15 The Jaeger Machine Company Transit concrete mixer adapted for loading and discharging aggregates of a wide range of slump value
EP0374682B1 (fr) 1988-12-17 1991-09-25 Stetter Gmbh Malaxeur de béton pour camions
EP0642900A1 (fr) * 1993-05-05 1995-03-15 Stetter Gmbh Mélangeur monté sur véhicule pour mélanges aptes à couler comme du béton

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957908B1 (en) * 2001-09-15 2005-10-25 Oshkosh Truck Corporation Environmental shield for a truck mounted concrete mixer
CN108407094A (zh) * 2018-06-04 2018-08-17 莱州双象重工机械有限公司 自动上料搅拌机
CN111805745A (zh) * 2020-07-17 2020-10-23 安徽工业大学 一种搅拌车尾盖密封装置移动工装

Also Published As

Publication number Publication date
DE9416517U1 (de) 1995-01-12
DE59509997D1 (de) 2002-02-21
ATE211961T1 (de) 2002-02-15
EP0706869B1 (fr) 2002-01-16
ES2171479T3 (es) 2002-09-16

Similar Documents

Publication Publication Date Title
EP0439689B1 (fr) Mélangeur granulateur
EP0706869B1 (fr) Mélangeur mobile
EP0142003A2 (fr) Mélangeur de charge
EP0297281B1 (fr) Pompe à deux pistons pour matière épaisse
EP0959005B1 (fr) Robinet de dosage
EP0374418A1 (fr) Dispositif pour la fabrication de mélanges prêts à être utilisés à partir de matériaux un vrac par exemple du ciment et du sable
EP1528182B1 (fr) machine de chantier, notamment une machine à pulvériser du mortier
DE102019108869A1 (de) Mischer mit Verschlussdeckel
DE3304656C2 (fr)
DE102005013619B4 (de) Beschickungsbehälter für Fleischverarbeitungsanlagen
DE202005012674U1 (de) Spielzeugfahrzeug
CH571438A5 (en) Skip for empty bottles for recycling - fitted with locked cover with bottle size holes
DE19512584C1 (de) Schneidsiebvorrichtung
CH655020A5 (de) Vorrichtung zum mischen und granulieren von pulverfoermigen oder koernigen substanzen mit einem als trommel ausgebildeten behaelter.
CH648260A5 (de) Fluegel-austragapparat fuer die silo-austragung von schuettgut.
DE202005001823U1 (de) Spielzeugfahrzeug
DE1456670C (de) Transportabler Sammel- und Vorratsbehälter für körniges Gut
DE10043590C2 (de) Deckel für großvolumige Müllbehälter, insbesondere für Frontumleerbehälter
AT28812B (de) Füllschacht für Kehrichtsammler.
DE3148700A1 (de) Fahrbarer betonkuebel
DE3826205C2 (fr)
CH429271A (de) Mähdrescher mit Sammelbunker
EP0909691B1 (fr) Chariot transporteur pour une voie à rails suspendue
EP0348874A1 (fr) Conteneur carré
DE2638918C3 (de) Vorrichtung zum Entleeren von Schüttgütern aus einem Bodenentleerer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19960812

17Q First examination report despatched

Effective date: 20000307

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020116

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020116

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020116

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020116

REF Corresponds to:

Ref document number: 211961

Country of ref document: AT

Date of ref document: 20020215

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 59509997

Country of ref document: DE

Date of ref document: 20020221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020416

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020416

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020416

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20020116

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020817

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020831

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020831

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2171479

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
BERE Be: lapsed

Owner name: *LIEBHERR-MISCHTECHNIK G.M.B.H.

Effective date: 20020831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030301

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20140902

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20140826

Year of fee payment: 20

Ref country code: ES

Payment date: 20140812

Year of fee payment: 20

Ref country code: FR

Payment date: 20140822

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20140806

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59509997

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK07

Ref document number: 211961

Country of ref document: AT

Kind code of ref document: T

Effective date: 20150817

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20151126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20150818