EP1012396A1 - Machine for working roadways - Google Patents
Machine for working roadwaysInfo
- Publication number
- EP1012396A1 EP1012396A1 EP98912479A EP98912479A EP1012396A1 EP 1012396 A1 EP1012396 A1 EP 1012396A1 EP 98912479 A EP98912479 A EP 98912479A EP 98912479 A EP98912479 A EP 98912479A EP 1012396 A1 EP1012396 A1 EP 1012396A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine according
- storage container
- binder
- machine
- working
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/025—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials for preparing hydraulic-cement-bound mixtures of which at least one ingredient has previously been deposited on the surface, e.g. in situ mixing of concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
- E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
- E01C19/2035—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels both rotating parts and reciprocating, oscillating, jolting or vibrating parts
Definitions
- Such machines are often used for soil stabilization and / or mortaring, i.e. used to increase the load-bearing capacity of poorly loadable floors or to create a hydraulically bound base layer.
- the process is based on mixing the soil with hydraulic binders (lime, cement (suspension), emulsion, etc.), which binds the moisture. Then the surface can be leveled using a grader and compacted using a roller.
- the milling of the soil and simultaneous mixing with the binder is usually carried out with a so-called soil stabilizer, which has a milling / mixing rotor for this.
- the binder is applied to the ground beforehand using a separate spreading vehicle.
- the spreading vehicles are usually built on the basis of a three-axle truck and are therefore not very suitable for off-road use.
- the time between the spreading and the milling in is relatively long, which favors a possible blowing away of the binder and a strong dust development.
- Cement can also be added as a suspension (dissolved in water) for dust-free addition.
- this method can only be used if additional water is to be introduced into the soil. This method is not suitable for soils that already have too high a water content.
- the suspension mixer must be pushed or pulled in front of or behind the machine, which in turn is only possible in relatively flat terrain.
- the invention has for its object to develop a machine of the type mentioned in such a way that the - 3 -
- Binder can be introduced without adding water and reducing dust formation.
- the invention advantageously provides that a storage container and a metering and discharge device for powdered binders connected to the storage container are arranged directly in front of the work roll in the working direction.
- the invention accordingly provides for a complete metering and discharge device for powdered binder with a corresponding storage container to be integrated into a known machine for soil stabilization. This ensures that the binding agent can also be applied wherever a soil stabilizer can work.
- the storage container and discharge device are arranged directly in front of the milling drum. This means that the binder remains on the surface of the floor for a few seconds before it is milled.
- the dosing and dispensing unit is sealed except ⁇ to the hood of the milling out with flexible walls.
- the dosage is regulated purely volumetric or additionally taking into account the mass actually carried out.
- the purely volumetric dosing controls the speed of the rotary valve as a function of the current driving speed.
- One revolution of the rotary valve corresponds to a precisely defined, unchangeable volume flow in 1 / revolution.
- the storage container for the binder can be hung on load cells. The speed is then regulated based on the mass of binder actually discharged in kg.
- the storage container is filled pneumatically, i.e. the binder is blown into the container.
- the forcibly generated exhaust air is cleaned in an exhaust air filter before it is released into the environment.
- filling level sensors continuously check the filling quantity. If the fill level falls below a certain level, the vibrating vibrators in the storage container are switched on, which loosen the powdery binding agent still stuck to the walls and cause them to slide off. If the level falls below the lowest level, a warning signal is activated.
- FIG. 2 shows the machine for processing lanes with an integrated storage container 14 for the binder 5, and with a metering and discharge device which is designed in the form of a cellular wheel sluice 10.
- the storage container 14 extends between the driver's cabin 23 and the hood 7 of the work roll 8 and is fastened to the machine frame 1.
- the binder 5 can be filled pneumatically into the storage container 14.
- the storage container 14 is provided with an exhaust air filter 26 so that no binder dust can escape to the outside when the storage container 14 is pneumatically filled.
- the walls 20 of the storage container 14 can run in a funnel shape.
- At the lower end of the storage container 14 there is the cellular wheel sluice 10 in a funnel 15, with which the binder 5 can be dispensed in doses.
- (5) consists of a rotary valve (10), the speed of which can be controlled depending on the speed of advance.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29716423U | 1997-09-12 | ||
DE29716423U DE29716423U1 (en) | 1997-09-12 | 1997-09-12 | Road processing machine |
PCT/EP1998/001502 WO1999014437A1 (en) | 1997-09-12 | 1998-03-16 | Machine for working roadways |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1012396A1 true EP1012396A1 (en) | 2000-06-28 |
EP1012396B1 EP1012396B1 (en) | 2002-06-19 |
Family
ID=8045924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98912479A Expired - Lifetime EP1012396B1 (en) | 1997-09-12 | 1998-03-16 | Machine for working roadways |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1012396B1 (en) |
DE (2) | DE29716423U1 (en) |
ES (1) | ES2176993T3 (en) |
WO (1) | WO1999014437A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105672104A (en) * | 2014-12-04 | 2016-06-15 | 维特根有限公司 | Self-propelled construction machine and method for operating the same |
US9506205B1 (en) | 2015-06-10 | 2016-11-29 | Caterpillar Paving Products Inc. | Rotary mixer with a front-mounted additive distributor |
US10655285B2 (en) | 2015-11-12 | 2020-05-19 | Wirtgen Gmbh | Self-propelled ground milling machine and method for working on a traffic surface |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008012104U1 (en) * | 2008-09-12 | 2010-02-11 | Bomag Gmbh | Work train with a milling device |
DE102009007996B4 (en) | 2009-02-07 | 2011-06-01 | Wirtgen Gmbh | Construction machine for spreading spreading material on floors |
DE102009008884A1 (en) | 2009-02-14 | 2010-08-26 | Wirtgen Gmbh | Stabilizer or recycler |
DE202009002096U1 (en) | 2009-02-14 | 2010-07-08 | Wirtgen Gmbh | Stabilizer or recycler |
DE102012012397A1 (en) | 2012-06-25 | 2014-04-24 | Wirtgen Gmbh | Self-propelled construction machine |
DE102012021421A1 (en) * | 2012-10-30 | 2014-04-30 | Bomag Gmbh | Work train for ground processing during road construction, has return line conveying dust-loaded conveying air flow into rotor cover or retuning flow into silo unit, which includes blow-down device for blowing flow into outside environment |
DE102012024769A1 (en) | 2012-12-18 | 2014-06-18 | Bomag Gmbh | Construction machine for mixing bulk material-type aggregate into bottom substrate i.e. bottom stabilizer or recycler, has soil discharging unit adapted for introduction of bulk-type additives in mixing drum in working direction of machine |
WO2015034497A1 (en) * | 2013-09-05 | 2015-03-12 | Volvo Construction Equipment Ab | Weighing system for a road milling machine |
WO2015034501A1 (en) * | 2013-09-05 | 2015-03-12 | Volvo Construction Equipment Ab | Conveyor overload control system for a construction machine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB937356A (en) * | 1961-04-29 | 1963-09-18 | Nat Res Dev | Improvements in machines for spreading granular or pulverulent material |
US3241976A (en) * | 1965-04-26 | 1966-03-22 | Rank | Apparatus for forming and applying a mixture onto a surface |
AU4790372A (en) * | 1971-10-25 | 1974-04-26 | Ready Lime Putty Pty. Ltd | Machine for spreading and mixing soil stabilising materials |
FR2586435B1 (en) * | 1985-08-26 | 1988-04-22 | Beugnet Sa | MOBILE PACKAGING RECONDITIONING MACHINE |
FR2595383B1 (en) * | 1986-03-10 | 1989-01-13 | Beugnet Sa | PAVEMENT RECONDITIONING WORKSHOP |
FR2646186B1 (en) * | 1989-04-20 | 1991-08-16 | Beugnet Sa | MACHINE FOR PROCESSING MATERIALS, SUCH AS SOILS AND CHALK FOR THE CONSTRUCTION OF A FLOOR FOUNDATION LAYER, PARTICULARLY A MOTORWAY PAVEMENT |
FR2663655B1 (en) * | 1990-06-20 | 1992-10-09 | Rabaud Sa | METHOD FOR CONTROLLING THE SPREADING OF BINDER AND MEANS FOR CARRYING OUT THE METHOD. |
DE9421169U1 (en) * | 1994-02-25 | 1995-06-22 | Kirchhoff Heine Strassenbauges | Device for adding aggregates to a soil |
FR2727703B1 (en) * | 1994-12-02 | 1997-01-10 | Orgel | METHOD AND DEVICE FOR REINFORCING SOILS WITH FIBROUS ADDITIVES |
DE19504495A1 (en) | 1995-02-12 | 1996-08-22 | Wirtgen Gmbh | Road surface renewal machine |
-
1997
- 1997-09-12 DE DE29716423U patent/DE29716423U1/en not_active Expired - Lifetime
-
1998
- 1998-03-16 EP EP98912479A patent/EP1012396B1/en not_active Expired - Lifetime
- 1998-03-16 WO PCT/EP1998/001502 patent/WO1999014437A1/en active IP Right Grant
- 1998-03-16 DE DE59804532T patent/DE59804532D1/en not_active Expired - Lifetime
- 1998-03-16 ES ES98912479T patent/ES2176993T3/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9914437A1 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105672104A (en) * | 2014-12-04 | 2016-06-15 | 维特根有限公司 | Self-propelled construction machine and method for operating the same |
CN105672104B (en) * | 2014-12-04 | 2018-03-09 | 维特根有限公司 | Self-propelled building machinery and the method for operating self-propelled building machinery |
US10626563B2 (en) | 2014-12-04 | 2020-04-21 | Wirtgen Gmbh | Self-propelled construction machine and method for operating a self-propelled construction machine |
US9506205B1 (en) | 2015-06-10 | 2016-11-29 | Caterpillar Paving Products Inc. | Rotary mixer with a front-mounted additive distributor |
US10655285B2 (en) | 2015-11-12 | 2020-05-19 | Wirtgen Gmbh | Self-propelled ground milling machine and method for working on a traffic surface |
US11286627B2 (en) | 2015-11-12 | 2022-03-29 | Wirtgen Gmbh | Self-propelled ground milling machine and method for working on a traffic surface |
Also Published As
Publication number | Publication date |
---|---|
WO1999014437A1 (en) | 1999-03-25 |
DE29716423U1 (en) | 1999-01-28 |
EP1012396B1 (en) | 2002-06-19 |
ES2176993T3 (en) | 2002-12-01 |
DE59804532D1 (en) | 2002-07-25 |
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