EP2251488A3 - Tamper for soil compaction - Google Patents
Tamper for soil compaction Download PDFInfo
- Publication number
- EP2251488A3 EP2251488A3 EP10162811A EP10162811A EP2251488A3 EP 2251488 A3 EP2251488 A3 EP 2251488A3 EP 10162811 A EP10162811 A EP 10162811A EP 10162811 A EP10162811 A EP 10162811A EP 2251488 A3 EP2251488 A3 EP 2251488A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- piston
- movement
- during
- ramming device
- 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
- 238000005056 compaction Methods 0.000 title abstract 2
- 239000002689 soil Substances 0.000 title abstract 2
- 230000004323 axial length Effects 0.000 abstract 1
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
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/068—Vibrating apparatus operating with systems involving reciprocating masses
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Ein Stampfgerät (1) zur Bodenverdichtung weist eine stampfend angetriebene Arbeitsmasse (4), die von einem zu einer Obermasse (2) gehörenden Motor über einen Kurbeltrieb, einen Kolben (16) und einen Federsatz (3) linear hin und her bewegbar ist, auf. Der Federsatz (3) besteht aus mindestens einer bei einer Hinbewegung des Kolbens (16) komprimierbaren ersten Feder (17) und mindestens einer bei einer Herbewegung des Kolbens (16) komprimierbaren zweiten Feder (18). Um die axiale Baulänge des Federsatzes zu reduzieren und damit die Höhe des Stampfgeräts zu vermindern und ein leichteres Arbeiten unter beengten Platzverhältnissen zu ermöglichen, wird vorgeschlagen, dass die mindestens eine zweite Feder (18) innerhalb eines Freiraums (F) im Inneren der mindesten einen ersten Feder (17) angeordnet ist. Alternativ wird ein Stampfgerät mit einem Federsatz vorgeschlagen, bei dem alle Federn bei der Hinbewegung des Kolbens Druckkräfte und bei der Herbewegung des Kolbens Zugkräfte auf die Arbeitsmasse übertragen. A ramming device (1) for soil compaction has a pounding driven working mass (4), which is linearly reciprocally movable from a to an upper mass (2) engine via a crank mechanism, a piston (16) and a spring set (3) , The spring set (3) consists of at least one first spring (17) which can be compressed during a forward movement of the piston (16) and at least one second spring (18) which can be compressed during a movement of the piston (16). In order to reduce the axial length of the spring assembly and thus to reduce the height of the ramming device and to allow easier work in confined spaces, it is proposed that the at least one second spring (18) within a free space (F) in the interior of at least a first Spring (17) is arranged. Alternatively, a ramming device with a spring set is proposed, in which all springs transmit compressive forces during the forward movement of the piston and tensile forces on the working mass during the movement of the piston.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009003113 | 2009-05-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2251488A2 EP2251488A2 (en) | 2010-11-17 |
EP2251488A3 true EP2251488A3 (en) | 2012-09-26 |
EP2251488B1 EP2251488B1 (en) | 2015-11-11 |
Family
ID=42307817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10162811.3A Not-in-force EP2251488B1 (en) | 2009-05-14 | 2010-05-14 | Tamper for soil compaction |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2251488B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105332369A (en) * | 2015-11-26 | 2016-02-17 | 宁波市鄞州飞虎机械有限公司 | Shock-absorbing impact rammer |
CN108487223B (en) * | 2018-02-28 | 2020-06-02 | 重庆明君建筑劳务有限公司 | Rammer device |
CN111139813A (en) * | 2019-12-23 | 2020-05-12 | 青岛林海建设工程有限公司 | Adobe tamping device in building engineering field |
CN113073515B (en) * | 2021-03-02 | 2023-05-30 | 福建汇达建筑工程有限公司 | Discharging rammer compactor for constructional engineering |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104001A (en) * | 1977-01-22 | 1978-08-01 | Robert Bosch Gmbh | Reciprocating tamping tool |
DE19739743A1 (en) * | 1997-09-10 | 1999-03-18 | Wacker Werke Kg | Tool with reduced vibrations of the upper mass |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1925870A1 (en) | 1969-05-21 | 1970-11-26 | Vni I P Ki Mechanizirovannogo | Suddenly working rammer |
NL1010611C1 (en) | 1998-11-20 | 2000-05-23 | Bart Schafrat | A method of manufacturing a dental prosthesis and a dental set. |
-
2010
- 2010-05-14 EP EP10162811.3A patent/EP2251488B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104001A (en) * | 1977-01-22 | 1978-08-01 | Robert Bosch Gmbh | Reciprocating tamping tool |
DE19739743A1 (en) * | 1997-09-10 | 1999-03-18 | Wacker Werke Kg | Tool with reduced vibrations of the upper mass |
US20040165953A1 (en) * | 1997-09-10 | 2004-08-26 | Wacker Construction Equipment Ag | Working machine with reduced upper mass vibrations |
Also Published As
Publication number | Publication date |
---|---|
EP2251488B1 (en) | 2015-11-11 |
EP2251488A2 (en) | 2010-11-17 |
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