EP3725950A1 - Benne de forage et procédé de fabrication d'une paroi dans le sol - Google Patents
Benne de forage et procédé de fabrication d'une paroi dans le sol Download PDFInfo
- Publication number
- EP3725950A1 EP3725950A1 EP19170133.3A EP19170133A EP3725950A1 EP 3725950 A1 EP3725950 A1 EP 3725950A1 EP 19170133 A EP19170133 A EP 19170133A EP 3725950 A1 EP3725950 A1 EP 3725950A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grab
- gripper
- measuring device
- slot
- diaphragm wall
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- -1 gravel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
- E02F3/4133—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device grabs carried out as loaders or mounted on a tractor
-
- 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
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
- E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom
-
- 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
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
- E02F3/475—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets for making foundation slots
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
- E02F9/265—Sensors and their calibration for indicating the position of the work tool with follow-up actions (e.g. control signals sent to actuate the work tool)
Definitions
- the invention relates to a diaphragm wall gripper for creating a slot in the ground, with a gripper frame, attached gripper blades which are adjustable for gripping soil material between an open position and a closed position in which soil material is received, and an actuating device which is used to adjust the gripper blades between the open position and the closed position is formed according to the preamble of claim 1.
- the invention also relates to a method for creating a slot in the ground, using a diaphragm wall grab which has a grab frame at the lower end of which two grab blades are arranged, which can be adjusted between an open position and a closed position by means of an actuating device, the grab blades being soil material grip and take up in a closed position, according to the preamble of claim 11.
- Slots for retaining or sealing walls can reach depths of up to 50 m or deeper.
- the trench cross-section generated with the trench wall grab is in the range of about 1 m wide and a length between 1.5 and 3 m. Because of this slot cross-section and the usual slot depths, there is often no possibility for a gripper operator to see the bottom of the slot, especially when the slot is filled with a suspension.
- the invention is based on the object of specifying a diaphragm wall grab and a method for creating a slot in the ground, with which a particularly effective operation of a diaphragm wall grab is made possible.
- a basic idea of the invention is to detect and evaluate penetration of the grab shovels into the ground and / or the closing in the ground.
- a measuring device is provided which is designed to determine a path and / or pressure when the gripper blades are closed. He follows For example, relatively easy penetration and closing, this can be an indication that there is a loose soil layer, such as a layer of gravel or sand.
- control unit comprises a database in which known measured values for certain types of soil are stored. On the basis of a determined penetration path or a closing speed or an expenditure of force, which is recorded by the measuring device, the control unit can use the stored data to make a direct statement about the type of soil, such as sand, gravel, clay, rock.
- the measuring device is designed to record a course of the measured values over time and / or over a current depth of the trench. This allows Additional information about the floor structure or the presence of an obstacle can be recorded. For example, it can be determined in this way that there may be an upper layer with loose soil material, while immediately below there is a soil layer with firmer soil material. The same applies to a reverse soil stratification. This information can also be used for the subsequent gripping step and / or when gripping adjacent slots in order to make the excavation process as effective as possible.
- the measuring device is provided with appropriate sensors, such as displacement transducers or pressure sensors. According to one embodiment of the invention, it is particularly expedient that the measured values can be recorded individually for each grab shovel. For example, an asymmetrical closing of the grab shovels can be determined. It is particularly advantageous that the control unit can determine information on the size and position of the obstacle in the slot. Information on the size and position of the obstacle in the slot is helpful in removing it.
- the gripper blades can be actuated in any way by means of appropriate actuators. This can also be actuation by means of operating cables. According to a development of the invention, it is particularly preferred that the actuation device has at least one actuation cylinder. This can be a central actuation cylinder for both grapple blades or one or more actuation cylinders for each grapple blade.
- the actuating cylinders are operated hydraulically in particular.
- the measuring device which can include several sensors or measuring transducers, can be arranged at any point or at several points on the diaphragm wall grab.
- the measuring device is arranged on the at least one actuating cylinder.
- a pressure in the actuating cylinder can be recorded as a measure of the force required and / or a travel of a piston in the actuating cylinder. The travel provides information about the closing and position of the grab shovels.
- a preferred embodiment of the invention consists in that the gripper blades are pivotably mounted on pivot pins, that sensors of the measuring device are provided on the pivot pins and that the sensors are designed to detect forces and / or a pivot angle of the grab blades.
- the sensors can in particular be force measuring sensors and / or sensors for recording a setting position or the setting angle of the gripper blades. With these values, in particular, a statement can be made as to whether there is an asymmetrical loading or opening of the gripper blades. This in turn allows conclusions to be drawn about the shape and arrangement of an obstacle, in particular a boulder.
- the method according to the invention is characterized in that, by means of a measuring device, a path and / or a pressure when closing the gripper blade is determined and that the measuring device forwards determined measured values to a control unit, which is designed to make a statement about the soil material on the basis of the measured values determined by the measuring device.
- a trench wall gripping device 10 comprises a carrier device 12 with a trench wall grab 20 attached thereto.
- the carrier device 12 has, in a basically known manner, a crawler chassis 11 and an upper carriage 13 rotatably mounted thereon.
- An approximately vertically directed mast 14 with a mast head 15 is articulated on the superstructure 13.
- the trench wall gripper 20 is attached to the carrier device 12 with the mast 14 in a vertically adjustable manner via a support cable 16. Hydraulic energy is supplied via a supply line 18.
- a supply line for power and data can also be provided.
- a lower end of the piston rod 34 is articulated to a slide element 36, which is guided along the gripper frame 22 such that it can be moved linearly.
- Two levers 38 are articulated on the slide element 36, each lever 38 being articulated to a gripper shovel 24.
- the grab shovels 24 themselves are articulated at a lower end of the grab frame 22.
- a measuring device (not shown in greater detail in the figures) is provided, which is arranged in particular on the actuation device 30 and preferably on the actuation cylinder 32.
- the measuring device is designed to determine an extension path of the piston rod 34 and a pressure in the actuating cylinder 32 when the gripper blades 24 are closed. This makes it possible to determine when the gripper blades 24 grip an obstacle 8, for example a rock, when closing. In this case it can be determined by the measuring device that, despite a pressure increase in the double-acting actuating cylinder 32, a travel path of the piston rod 34 and thus of the slide element 36 is no longer changes.
- This state which can be detected by the measuring device, can be used by a control unit, which is also not shown, as an indication of the presence of an obstacle.
- control unit can also make a statement about the size of the obstacle 8.
- the control unit can also make a statement about the position of the obstacle.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Earth Drilling (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES19170133T ES2929747T3 (es) | 2019-04-18 | 2019-04-18 | Cuchara de muro pantalla y procedimiento para practicar una zanja en el suelo |
EP19170133.3A EP3725950B1 (fr) | 2019-04-18 | 2019-04-18 | Benne de forage et procédé de fabrication d'une parois dans le sol |
CN202010306146.4A CN111827385B (zh) | 2019-04-18 | 2020-04-17 | 用于在土地中生成槽的槽壁抓夹器和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19170133.3A EP3725950B1 (fr) | 2019-04-18 | 2019-04-18 | Benne de forage et procédé de fabrication d'une parois dans le sol |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3725950A1 true EP3725950A1 (fr) | 2020-10-21 |
EP3725950B1 EP3725950B1 (fr) | 2022-09-14 |
Family
ID=66239834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19170133.3A Active EP3725950B1 (fr) | 2019-04-18 | 2019-04-18 | Benne de forage et procédé de fabrication d'une parois dans le sol |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3725950B1 (fr) |
CN (1) | CN111827385B (fr) |
ES (1) | ES2929747T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113463607A (zh) * | 2021-05-27 | 2021-10-01 | 诚业工程科技集团有限公司 | 大面积建筑地面平整度精度控制施工方法 |
CN117800211A (zh) * | 2024-02-28 | 2024-04-02 | 山东海盛海洋工程集团有限公司 | 一种水下清障用液压抓斗 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001064993A (ja) * | 1999-08-25 | 2001-03-13 | Konoike Constr Ltd | 掘削揚土作業支援システム |
JP2007327334A (ja) * | 2007-08-21 | 2007-12-20 | Ohbayashi Corp | バケット式掘削機 |
EP1950353A1 (fr) | 2007-01-26 | 2008-07-30 | BAUER Maschinen GmbH | Dispositif d'excavation du sol |
EP2952634A1 (fr) * | 2014-06-03 | 2015-12-09 | Enel Produzione S.p.A. | Système de détection de l'état ouvert ou fermé d'un dispositif preneur ainsi que engin de travail avec un tel dispositif preneur et un tel système |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2040945A5 (fr) * | 1969-04-28 | 1971-01-22 | Allard Pierre | |
FR2681352B1 (fr) | 1991-09-16 | 1998-07-24 | Sol Cie | Appareil d'excavation a benne preneuse. |
DE19806816B4 (de) | 1998-02-18 | 2005-04-14 | Rohr Gmbh | Motor-Unterwassergreifer mit Überwachungseinrichtung |
JP3857502B2 (ja) * | 2000-07-06 | 2006-12-13 | 日立建機株式会社 | 荷重検出式作業機械 |
DE20310240U1 (de) | 2003-07-03 | 2003-09-11 | Wolfgang Rohr Gmbh & Co Kg | Motorgreifer, insbesondere Motorunterwassergreifer |
JP2015017464A (ja) | 2013-07-12 | 2015-01-29 | 日立建機株式会社 | クラムシェルバケット |
CN106032673B (zh) * | 2015-03-20 | 2018-10-16 | 徐工集团工程机械股份有限公司 | 一种铲刀负载控制系统、平地机以及方法 |
HUE054961T2 (hu) | 2016-09-21 | 2021-10-28 | Bauer Spezialtiefbau | Eljárás és építõipari gép építési talaj megmunkálására |
EP3401444B1 (fr) * | 2017-05-11 | 2019-11-27 | BAUER Maschinen GmbH | Dispositif d'excavation de tranchée et procédé de fabrication de tranchées dans le sol |
-
2019
- 2019-04-18 EP EP19170133.3A patent/EP3725950B1/fr active Active
- 2019-04-18 ES ES19170133T patent/ES2929747T3/es active Active
-
2020
- 2020-04-17 CN CN202010306146.4A patent/CN111827385B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001064993A (ja) * | 1999-08-25 | 2001-03-13 | Konoike Constr Ltd | 掘削揚土作業支援システム |
EP1950353A1 (fr) | 2007-01-26 | 2008-07-30 | BAUER Maschinen GmbH | Dispositif d'excavation du sol |
JP2007327334A (ja) * | 2007-08-21 | 2007-12-20 | Ohbayashi Corp | バケット式掘削機 |
EP2952634A1 (fr) * | 2014-06-03 | 2015-12-09 | Enel Produzione S.p.A. | Système de détection de l'état ouvert ou fermé d'un dispositif preneur ainsi que engin de travail avec un tel dispositif preneur et un tel système |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113463607A (zh) * | 2021-05-27 | 2021-10-01 | 诚业工程科技集团有限公司 | 大面积建筑地面平整度精度控制施工方法 |
CN117800211A (zh) * | 2024-02-28 | 2024-04-02 | 山东海盛海洋工程集团有限公司 | 一种水下清障用液压抓斗 |
CN117800211B (zh) * | 2024-02-28 | 2024-06-11 | 山东海盛海洋工程集团有限公司 | 一种水下清障用液压抓斗 |
Also Published As
Publication number | Publication date |
---|---|
ES2929747T3 (es) | 2022-12-01 |
EP3725950B1 (fr) | 2022-09-14 |
CN111827385A (zh) | 2020-10-27 |
CN111827385B (zh) | 2022-10-18 |
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