EP1950353B1 - Bodenabtragsvorrichtung - Google Patents

Bodenabtragsvorrichtung Download PDF

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Publication number
EP1950353B1
EP1950353B1 EP07001768A EP07001768A EP1950353B1 EP 1950353 B1 EP1950353 B1 EP 1950353B1 EP 07001768 A EP07001768 A EP 07001768A EP 07001768 A EP07001768 A EP 07001768A EP 1950353 B1 EP1950353 B1 EP 1950353B1
Authority
EP
European Patent Office
Prior art keywords
base body
stripping device
flexible element
linear drive
soil stripping
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.)
Not-in-force
Application number
EP07001768A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1950353A1 (de
Inventor
Stefan Franz Löffelholz
Josef Maierhofer
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen 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 Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to AT07001768T priority Critical patent/ATE437271T1/de
Priority to DE502007001118T priority patent/DE502007001118D1/de
Priority to EP07001768A priority patent/EP1950353B1/de
Priority to ES07001768T priority patent/ES2328521T3/es
Priority to PL07001768T priority patent/PL1950353T3/pl
Priority to RU2007148541/03A priority patent/RU2366780C1/ru
Priority to CA2617302A priority patent/CA2617302C/en
Priority to US12/007,807 priority patent/US7685749B2/en
Priority to JP2008013007A priority patent/JP4686557B2/ja
Priority to KR1020080007660A priority patent/KR101001726B1/ko
Priority to UAA200800909A priority patent/UA89412C2/ru
Priority to CN2008100088479A priority patent/CN101230583B/zh
Publication of EP1950353A1 publication Critical patent/EP1950353A1/de
Priority to HK08112437.8A priority patent/HK1120843A1/xx
Application granted granted Critical
Publication of EP1950353B1 publication Critical patent/EP1950353B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • E02F3/46—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

Definitions

  • the invention relates to a soil removal device according to the preamble of claim 1.
  • a soil removal device in particular a diaphragm wall gripper, comprises a base body which can be connected to a carrier device, a work unit on which soil cultivation tools are arranged and which is rotatably mounted on the main body via a bearing device, and a twisting device for rotating the working unit with respect to the main body about a rotation axis.
  • Such devices are used to excavate recesses or trenches in the ground, which are needed primarily for the creation of founding or sealing elements in the ground.
  • grippers with gripper blades there is the danger, especially when creating relatively deep diaphragm walls, that due to asymmetries, in particular an asymmetrical distribution of the gripper teeth on the gripper blades, an undesired deviation from the vertical can occur.
  • a twisting device in which the twisting motor is fixedly mounted on the upper segment of the telescopic guide.
  • a drive shaft is provided, which only comes via a coupling device with the twisting motor into engagement when the telescopic guide is fully retracted and the working unit with the gripper blades is completely moved out of the ground.
  • a complex braking device is necessary.
  • the invention has for its object to provide a Bodenabtragsvorraum in which a working unit in a simple, robust construction with particularly good reliability is rotatable.
  • the twisting device has at least one linear drive and a cable or chain transmission, by means of which a linear movement generated by the linear drive can be converted into a twisting movement.
  • a basic idea of the invention is not to produce the twisting movement by means of a twisting motor with a relatively complicated reduction gear, but rather by a simple, robust linear drive.
  • a linear drive movement in a twisting a likewise simply constructed rope or chain transmission is provided.
  • Such transmissions use a flexible element, such as a rope or a chain.
  • a cable or chain transmission not to narrowly understand the use of a rope or a chain as a flexible element, but also includes straps, straps and other flexible elements. These can be translated by a simple wrap of a wheel, a linear motion in a twist.
  • Such flexible, deflectable elements are reliable and low maintenance even in harsh environment and with great dirt.
  • relatively high torques can be applied for a limited number of revolutions, which is fully sufficient for the use according to the invention.
  • the linear drive fundamentally different drives, such as a rack drive or a ball screw drive are conceivable.
  • Actuating cylinders in particular hydraulic cylinders, are compact and can apply very high forces.
  • Bodenabtragstechnik usually already a hydraulic system with a variety of hydraulic cylinders.
  • hydraulic actuating cylinders are used, for example, for actuating the gripper blades.
  • the inventive linear drive for the twisting device can be integrated into an existing system so easily.
  • the invention may be practiced with one or more actuator cylinders.
  • the use of two single-acting actuating cylinders is conceivable, which are arranged opposite to each other and actuated.
  • a particularly compact arrangement is achieved according to the invention in that the actuating cylinder is a double-acting actuating cylinder, protrudes from the cylinder housing on both sides of a piston rod, and that a flexible element of the transmission is attached to both ends of the piston rod.
  • a defined rotation and reverse rotation can be achieved.
  • a reliable tension of the flexible element (s) is ensured, since a tension is always generated during the advancing and retracting movement.
  • the rope or chain transmission has an adjusting wheel on which at least one flexible element articulated and is at least partially wrapped by this.
  • the articulation of the flexible element on the setting wheel is radially spaced from the axis of rotation. This distance represents the lever arm is, with which the linear tensile force of the flexible element is converted into a torque for rotating the working unit.
  • the attachment of the rope on the thumbwheel can be achieved in a known manner by a non-positive and / or positive connection, such as by screws, clamps or otherwise.
  • a retaining bolt is preferably provided on the adjusting wheel on which an end-side eye of the flexible. Element can be hung. According to the length of the linear movement, a rotation is effected depending on the effective circumference of the setting wheel.
  • a particularly robust and effective direct drive is achieved according to the invention in that the setting wheel is arranged in the region of the bearing device and coaxially with the axis of rotation.
  • the thumbwheel is fixedly arranged on the base body, which is itself rotationally fixed relative to the carrier device. An applied tensile force on the flexible element thus causes an immediate rotation of the working unit relative to the setting wheel and the main body. Gearboxes to compensate for a misalignment are not necessary here.
  • the linear drive is located on the working unit.
  • the scope of the work unit provides sufficient space.
  • the setting wheel can be arranged rotationally fixed on the working unit, while the linear drive is provided on the base body in order to effect a desired relative rotation between the working unit and the base body.
  • a lifting device that is about a telescopic or kelly linkage, can be arranged above or below the bearing device.
  • the transmission of the tensile force on the thumbwheel can also be done by a partial or repeated wrapping of the rope exclusively by frictional force.
  • the axis of rotation of the twisting device is substantially parallel to the Abteufraum, which is usually the vertical. Certain deviations by a few degrees are possible for certain applications.
  • the flexible element may be a chain, a band, a belt, etc., provided that this allows a linear movement and at the same time a deflection and wrapping.
  • a particularly inexpensive, simple and reliable embodiment of the invention is to be seen in that the flexible element is a steel cable.
  • the use of steel cables is common in diaphragm wall devices, such as lifting or suspension cables. Steel cables are extremely robust even when used directly in a slot with support suspension and require virtually no maintenance.
  • connections for hydraulic fluid are provided on the bearing device.
  • a known rotary feedthrough can be provided for the transfer of the hydraulic fluid through the rotating device from the carrier to the working unit. Since usually only a rotation of the working unit is provided by 180 ° with subsequent reverse rotation, a flexible bridging of the hydraulic lines from the main body to the work unit can also be done via flexible hose lines.
  • a carrier device is provided with a boom, on which a torsionally rigid lifting device is mounted, at the lower end of the work unit is arranged.
  • the carrier device is usually a tracked vehicle with a superstructure on which a rope-operated mast or boom is articulated.
  • the lifting device may be a single, vertically movable rod or carriage, a telescopic cylinder or a rope-operated Kelly linkage. Because of its compactness and robustness, the twisting device according to the invention can be arranged at virtually any point, for example between the boom and the lifting device or preferably between the lifting device and the working unit.
  • the Bodenabtragsillon is preferably a diaphragm wall gripper, but not limited thereto.
  • use can also be made in other trench wall devices, for example in trench wall milling with rotatably arranged cutting wheels, in particular if an uneven tooth arrangement is provided in the cutting wheels.
  • a Bodenabtragsvorraum 10 for producing a slot 5 in the ground is in Fig. 1 shown schematically.
  • a carrier device 12 with an approximately vertically oriented mast 14 with mast head 16 a working unit 20 for lifting the slot 5 is arranged vertically displaceable over a lifting device 18 of a plurality of supporting cables.
  • a Bodenabtragsvorraum 10 according to the invention is shown, which is designed as a slot wall gripper.
  • the diaphragm wall gripper comprises a frame 24 with a central longitudinal member 60, on which side guide plates 64 are arranged in a known manner via transverse struts 62.
  • two gripper blades 66 with teeth 68 are articulated pivotably as ground removal tools 22.
  • the gripper blades 68 can be opened and closed via actuation rods 72 via a hydraulic actuating cylinder 70, which is arranged centrally on the longitudinal member 60, in order to remove and absorb soil material in a known manner.
  • a bearing device 30 is arranged, with which the working unit 20 is mounted pivotably on the main body 32 by 180 °.
  • the main body 32 has a holding device 31, with which the diaphragm wall gripper can be releasably attached to a lifting device for substantially vertical method.
  • a turning device 40 is formed with a linear actuator 44 designed as a positioning cylinder and a cable transmission 50.
  • the linear drive 44 has a cylinder housing 46, from whose two ends a respective piston rod 47 protrudes.
  • the piston rods 47 are arranged along a longitudinal axis of the working unit 20 and movable to actuate a cable as a flexible element 45.
  • the cable gear 50 comprises a lower guide roller 54, two upper guide rollers 55 and a thumbwheel 52. While the thumbwheel 52 is rotatably mounted on the base body 32, the lower guide roller 54 and the upper guide rollers 55 are rotatably mounted on the frame 24 of the working unit 20.
  • the flexible element 45 is formed by two separate ropes, which are each attached to one end with a piston rod 47 and the other end on the adjusting wheel 52 and this wrap around partially. By this arrangement, a closed active circuit is formed, so that when a counteracting operation of the piston rods 47, the flexible member 45 is always held under tension.
  • the bolt-shaped holding device 31 and underside a bearing pin 33 are fixedly attached on the upper side.
  • a bearing bush 35 for rotatable mounting a bearing bush 35, in particular a plain bearing, is arranged on the outside of the bearing journal 33, which is held on its outside by a receiving sleeve 63.
  • the receiving sleeve 63 is fixedly connected via a holder 61 with the longitudinal member 60.
  • the receiving sleeve 63 and the entire working unit 20 is rotatably mounted relative to the base body 32.
  • the holder 61 has a free space into which the free end of the journal 33 protrudes.
  • the adjusting wheel 52 is attached, which has two grooves for receiving a cable as a flexible element 45 on its outer circumference.
  • the two upper guide rollers 55 which are each rotatably supported by a bearing block 56 on the holder 61 of the working unit 20, the vertically and parallel to the axis of rotation 34 extending flexible element 45 in a horizontal Direction to the setting wheel 52 to be deflected, so that the ropes in the respective grooves of the setting wheel 52 open.
  • the adjusting wheel 52 is arranged coaxially to the axis of rotation 34, which coincides with a longitudinal axis of the working unit 20.
  • connection piece with connections 36 for hydraulic fluid is arranged at the lower end of the bearing journal 33.
  • hydraulic lines 26 on the main body 32 which lead to a carrier-device-side hydraulic supply, hydraulic fluid can be transferred through the interior of the bearing pin 33 via the connections 36 by means of flexible hose lines 37 to firmly attached connecting piece 38 on the rotatable working unit 20.
  • the hydraulic supply is used in particular for supplying the actuating cylinder for the gripper blades and for the linear drive of the turning device.
  • the lower guide roller 54 is rotatably mounted on the longitudinal member 60 of the processing device 10 via a lower bearing block 57.
  • the parallel to the vertical and longitudinal axis of the device arranged linear actuator 44 has a cylinder housing 46 which is fixed to the longitudinal member 60.
  • Fig. 4 is the lower piston rod 47 retracted, while the upper piston rod 47 is extended opposite, so that the flexible member 45 is always held under tension.
  • a tensioning device 48 is arranged along a free section of the flexible element 45.
  • a first flexible element 45a which is a cable with an end-side eyelet, is deflected towards the setting wheel 52 via the first upper deflection roller 55a.
  • the first flexible element 45a is articulated to a first retaining bolt 58 of the adjusting wheel 52 in order to effect a relative rotation between the adjusting wheel 52 and the working unit 20 in the counterclockwise direction around the axis of rotation 34.
  • the first flexible element 45a is with its other free end with the lower piston rod 47 of the linear actuator 44 according to Fig. 4 connected.
  • the second flexible element 45b is connected on the one hand via an eyelet to a second retaining pin 59 of the adjusting wheel 52 and on the other hand with the upper piston rod 47 of the linear drive 44.
  • the second flexible member 45b correspondingly becomes the second upper deflecting roller 55b also retracted, with a relative rotation between the adjusting wheel 52 and the working unit 20 takes place about the axis of rotation 34.
  • the first flexible element 45a is again wound around the adjusting wheel 52 in the clockwise direction at the same time, so that a later reverse rotation in the counterclockwise direction is again made possible with the first flexible element 45a by approximately 180 °.
EP07001768A 2007-01-26 2007-01-26 Bodenabtragsvorrichtung Not-in-force EP1950353B1 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
AT07001768T ATE437271T1 (de) 2007-01-26 2007-01-26 Bodenabtragsvorrichtung
DE502007001118T DE502007001118D1 (de) 2007-01-26 2007-01-26 Bodenabtragsvorrichtung
EP07001768A EP1950353B1 (de) 2007-01-26 2007-01-26 Bodenabtragsvorrichtung
ES07001768T ES2328521T3 (es) 2007-01-26 2007-01-26 Dispositivo de excavacion del suelo.
PL07001768T PL1950353T3 (pl) 2007-01-26 2007-01-26 Urządzenie usuwania ziemi
RU2007148541/03A RU2366780C1 (ru) 2007-01-26 2007-12-27 Устройство для выемки грунта
CA2617302A CA2617302C (en) 2007-01-26 2008-01-07 Soil stripping device
US12/007,807 US7685749B2 (en) 2007-01-26 2008-01-15 Soil stripping device
JP2008013007A JP4686557B2 (ja) 2007-01-26 2008-01-23 土砂除去装置
KR1020080007660A KR101001726B1 (ko) 2007-01-26 2008-01-24 흙 제거 장치
UAA200800909A UA89412C2 (ru) 2007-01-26 2008-01-25 Устройство для выемки грунта
CN2008100088479A CN101230583B (zh) 2007-01-26 2008-01-25 土壤剥离设备
HK08112437.8A HK1120843A1 (en) 2007-01-26 2008-11-13 Soil removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07001768A EP1950353B1 (de) 2007-01-26 2007-01-26 Bodenabtragsvorrichtung

Publications (2)

Publication Number Publication Date
EP1950353A1 EP1950353A1 (de) 2008-07-30
EP1950353B1 true EP1950353B1 (de) 2009-07-22

Family

ID=38123916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07001768A Not-in-force EP1950353B1 (de) 2007-01-26 2007-01-26 Bodenabtragsvorrichtung

Country Status (13)

Country Link
US (1) US7685749B2 (ko)
EP (1) EP1950353B1 (ko)
JP (1) JP4686557B2 (ko)
KR (1) KR101001726B1 (ko)
CN (1) CN101230583B (ko)
AT (1) ATE437271T1 (ko)
CA (1) CA2617302C (ko)
DE (1) DE502007001118D1 (ko)
ES (1) ES2328521T3 (ko)
HK (1) HK1120843A1 (ko)
PL (1) PL1950353T3 (ko)
RU (1) RU2366780C1 (ko)
UA (1) UA89412C2 (ko)

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EP4105389A1 (de) 2021-06-18 2022-12-21 BAUER Maschinen GmbH Verfahren zum betrieb einer baumaschine und baumaschine

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KR102192275B1 (ko) 2019-07-09 2020-12-17 손재방 치수 가변 굴착용 월그래브
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CN106978830A (zh) * 2015-09-16 2017-07-25 三宝E&C株式会社 连续墙挖掘装置
CN106978830B (zh) * 2015-09-16 2018-11-27 三宝E&C株式会社 连续墙挖掘装置
EP4105389A1 (de) 2021-06-18 2022-12-21 BAUER Maschinen GmbH Verfahren zum betrieb einer baumaschine und baumaschine

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HK1120843A1 (en) 2009-04-09
CN101230583A (zh) 2008-07-30
ES2328521T3 (es) 2009-11-13
CN101230583B (zh) 2012-06-27
JP2008184893A (ja) 2008-08-14
CA2617302A1 (en) 2008-07-26
UA89412C2 (ru) 2010-01-25
CA2617302C (en) 2012-10-02
RU2007148541A (ru) 2009-07-10
KR101001726B1 (ko) 2010-12-15
EP1950353A1 (de) 2008-07-30
KR20080070562A (ko) 2008-07-30
US20080179069A1 (en) 2008-07-31
US7685749B2 (en) 2010-03-30
ATE437271T1 (de) 2009-08-15
RU2366780C1 (ru) 2009-09-10
JP4686557B2 (ja) 2011-05-25
PL1950353T3 (pl) 2009-11-30

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