EP2199468B1 - Device for mixing soil materials - Google Patents

Device for mixing soil materials Download PDF

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Publication number
EP2199468B1
EP2199468B1 EP09175732.8A EP09175732A EP2199468B1 EP 2199468 B1 EP2199468 B1 EP 2199468B1 EP 09175732 A EP09175732 A EP 09175732A EP 2199468 B1 EP2199468 B1 EP 2199468B1
Authority
EP
European Patent Office
Prior art keywords
mixing
drums
rotation
mixing drums
drum
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.)
Active
Application number
EP09175732.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2199468A1 (en
Inventor
Ari Männikkö
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.)
ALLU STAMIX Oy
Original Assignee
Allu Stamix Oy
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Filing date
Publication date
Application filed by Allu Stamix Oy filed Critical Allu Stamix Oy
Publication of EP2199468A1 publication Critical patent/EP2199468A1/en
Application granted granted Critical
Publication of EP2199468B1 publication Critical patent/EP2199468B1/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches

Definitions

  • the present invention relates to a device for mixing soil materials, especially for mixing a blend component directly into the soil materials in the ground, the device comprising at least two mixing drums rotatable about their axes of rotation, which are at a short distance from one another and have inner ends and outer ends, which are further away from one another than the inner ends, between the inner ends of the drums a fixing frame on which the mixing drums are supported, and a plunging arm, the lower end of which is fixed to the fixing frame and at the upper end of which are attachment means for attaching to a power machine extension arm.
  • the aim of the invention is to solve this problem by improving the device so that the frame will no longer form a dead zone in the working direction, nor hinder the working motion into the material to be stabilised or into the ground.
  • the device according to the embodiment comprises two mixing drums 2 rotatable about their axes of rotation, which are at a short distance from one another. Between the drums 2 is fixing frame 14 comprised of short pipes with a relatively large diameter. The lower end of the plunging arm 1 is fixed to the fixing frame and at the upper end of the plunging arm 1 are attachment means 10 for attaching to a power tool extension arm.
  • the novel aspect of the invention is that the axes of rotation of the mixing drums 2 are inclined in comparison to the plane perpendicular to the vertical axis of the device in such a way that when the plunging arm 1 is in the vertical direction, the axes of rotation of the mixing drums 2 slant downwards towards the outer ends of the drums.
  • the ends of the mixing drums 2 closest to one another are essentially closer to one another at their lower edges than at their upper edges.
  • the distance between the lower edges of the said ends of the drums 2 is preferably less than the minimum thickness of the plunging arm.
  • the mixing drums 2 are the shape of a truncated cone and the angle of inclination of the axes of rotation of the drums with respect to the horizontal plane is preferably about half the coning angle of the drum.
  • the lower part of the drums 2 is horizontal, which is advantageous if the material is mixed in a flat-bottomed container.
  • On the outer surface of the drums 2 is a desired number of mixing blades or wings 11 of a desired shape. Between the lower edges of the mixing drums 2 is preferably a fixed projection 12 extending to the level of the blades or wings 11 of the mixing drums or below them, when the plunging arm 1 is in the vertical direction. In this case, the blades or wings 11 will not touch the bottom of the container in container mixing.
  • the suspension and rotation of the mixing drums 2 is preferably carried out by having hydraulic motors 3 inside the mixing drums, on the bearings of which motors the mixing drums are mounted. In this case, no separate power transmission with chains, cogwheels or shafts is required. Nor is a separate motor cowling required in the frame, which would be driven into the ground during operation and would for its part hinder the moving of the device.
  • Reference numeral 8 indicates hydraulic pipes or tubes, which lead to each motor 3 separately inside the plunging arm 1.
  • the volume flow required by the hydraulic motors 3 of two or more drums 2 is distributed essentially equally by means of small but high-speed hydraulic pumps connected to the same shaft. Therefore, an individual mixing drum 2 cannot rotate essentially slower than the other drums, even if it has a higher load.
  • the pumps may be in the actuator, that is the power machine, or in the mixing device according to the invention. Connecting the pumps mechanically to rotate at essentially the same speed may also be carried out by other means than by connecting the pumps on the same shaft.
  • the distribution of the volume flow is not realised with flow distribution pumps or flow distribution valves, but the drum motors are variable displacement motors, the speed of rotation of which is maintained essentially the same by adjusting the rotational volume as the incoming volume flows change.
  • variable displacement motors and flow distribution It is also possible to use variable displacement motors and flow distribution.
  • the drums will rotate at the same speed, but the rotational volume of all drums is adjusted so that a greater torque will become available. In this case, the speed of rotation will obviously decrease, because the installed power is constant. A high torque may be required when the soil has a high shearing strength.
  • the transitional area between the body of the hydraulic motor 3 and the rotating hub 5 is sealed with a replaceable gasket, which is kept in place with an opening band 7.
  • the mixing drum 2 is fixed to the flange of the rotating hub 5 of the hydraulic motor 3 with a flange joint.
  • the hydraulic motor 3 is in turn fixed to the mounting flange 4 of the body 14 with a flange joint.
  • the invention is not limited to the above embodiment.
  • the mixing drums 2 and their axes of rotation would be seen at an angle of 120° with respect to one another.
  • One structural alternative could also be a structure where there are two of the first presented drum structures in succession. This alternative could come into question when high capacity is required.
  • the simple structure of the device according to the invention makes it lightweight, which means that only sufficient hydraulic power from an excavator is required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Mechanical Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP09175732.8A 2008-12-11 2009-11-12 Device for mixing soil materials Active EP2199468B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20086186A FI124960B (sv) 2008-12-11 2008-12-11 Anordning för blandning av jordmaterial

Publications (2)

Publication Number Publication Date
EP2199468A1 EP2199468A1 (en) 2010-06-23
EP2199468B1 true EP2199468B1 (en) 2014-04-02

Family

ID=40240584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09175732.8A Active EP2199468B1 (en) 2008-12-11 2009-11-12 Device for mixing soil materials

Country Status (6)

Country Link
EP (1) EP2199468B1 (sv)
CN (1) CN101748762A (sv)
DK (1) DK2199468T3 (sv)
ES (1) ES2474944T3 (sv)
FI (1) FI124960B (sv)
RU (1) RU2521211C2 (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1020622A3 (nl) * 2012-04-17 2014-02-04 Luc Maria Hugo Corneel Smet Inrichting en werkwijze voor het in-situ maken van een wand.
CN103510505B (zh) * 2013-10-18 2016-04-27 三川德青工程机械有限公司 污染泥土原位固化稳定化处理系统
CN104563093B (zh) * 2013-10-18 2017-12-19 三川德青工程机械有限公司 污染泥土原位固化稳定化处理装置
CN103510506B (zh) * 2013-10-18 2016-08-31 三川德青工程机械有限公司 污染泥土原位固化稳定化处理系统及方法
JP6459121B2 (ja) * 2014-12-01 2019-01-30 ライト工業株式会社 地盤撹拌装置
FR3060046B1 (fr) * 2016-12-14 2020-10-30 Soletanche Freyssinet Machine de forage munie de quatre organes de forage
CN108118676A (zh) * 2018-01-31 2018-06-05 上海汇壹土木工程技术有限公司 一种地基固化搅拌头
WO2021239225A1 (en) * 2020-05-28 2021-12-02 Construction Tools Gmbh A drum cutter arrangement
CN112144506A (zh) * 2020-09-28 2020-12-29 宁波恩特重工科技有限公司 淤泥原位搅拌机
CN112162086B (zh) * 2020-09-30 2022-07-29 南通理工学院 一种建筑工程检测用的实验装置
CN112162087B (zh) * 2020-09-30 2022-07-26 南通理工学院 一种配置于建工实验室的检测装置
CN112982373A (zh) * 2021-03-18 2021-06-18 中国水利水电第九工程局有限公司 一种铣挖机的铣挖头
IT202100031592A1 (it) * 2021-12-16 2023-06-16 Mecc Breganzese S P A In Breve Mb S P A Disgregatore rotante per escavatori e macchine operatrici in generale
CN114319212B (zh) * 2021-12-31 2024-03-08 成都鸿翔环卫服务有限公司 一种可调节环卫清洁扫盘及扫地车

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU64979A1 (ru) * 1940-11-11 1944-11-30 В.П. Иванов Многоступенчатое шарошечное долото
US4133397A (en) 1977-09-19 1979-01-09 Smith International, Inc. Drilling with multiple in-hole motors
SU1700187A1 (ru) * 1989-01-03 1991-12-23 Б„П0 Филатов и В„С0 Травкин Буровое двухшарошечное долото
FI107629B (sv) 1997-10-02 2001-09-14 Ideachip Oy Förfarande för blandning av jord
DE10308538C5 (de) * 2003-02-27 2014-11-06 Bauer Maschinen Gmbh Verfahren zum Herstellen einer Schlitzwand im Boden, Schlitzwandfräse und Schlitzwandfräsvorrichtung
ES2291788T3 (es) * 2004-09-03 2008-03-01 Bauer Maschinen Gmbh Rueda de fresado para un muro pantalla.
JP4571595B2 (ja) 2006-03-29 2010-10-27 大成建設株式会社 掘削機
US7604301B1 (en) * 2006-12-07 2009-10-20 Lang William J Dual axis grinder blender
DE102008016673B4 (de) * 2008-03-26 2014-05-15 Allu Deutschland Gmbh Vorrichtung zum Fräsen und Mischen von Böden

Also Published As

Publication number Publication date
RU2521211C2 (ru) 2014-06-27
FI124960B (sv) 2015-04-15
DK2199468T3 (da) 2014-06-30
FI20086186A0 (sv) 2008-12-11
CN101748762A (zh) 2010-06-23
EP2199468A1 (en) 2010-06-23
RU2009142907A (ru) 2011-05-27
FI20086186A (sv) 2010-06-12
ES2474944T3 (es) 2014-07-10

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