EP2460758A1 - Entraînement rotatif hydraulique - Google Patents

Entraînement rotatif hydraulique Download PDF

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Publication number
EP2460758A1
EP2460758A1 EP11009500A EP11009500A EP2460758A1 EP 2460758 A1 EP2460758 A1 EP 2460758A1 EP 11009500 A EP11009500 A EP 11009500A EP 11009500 A EP11009500 A EP 11009500A EP 2460758 A1 EP2460758 A1 EP 2460758A1
Authority
EP
European Patent Office
Prior art keywords
rotary drive
shaft
gleitkontaktiervorrichtung
receiving means
drive according
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
Application number
EP11009500A
Other languages
German (de)
English (en)
Other versions
EP2460758B1 (fr
Inventor
Johannes Steindl
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.)
Epsilon Kran GmbH
Original Assignee
Epsilon Kran 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 Epsilon Kran GmbH filed Critical Epsilon Kran GmbH
Publication of EP2460758A1 publication Critical patent/EP2460758A1/fr
Application granted granted Critical
Publication of EP2460758B1 publication Critical patent/EP2460758B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/005Grab supports, e.g. articulations; Oscillation dampers; Orientation

Definitions

  • the invention relates to a hydraulic rotary drive for rotating a load-receiving means relative to a crane arm, according to the preamble of claim 1.
  • the invention relates to a crane with a rotary drive according to the invention and a harvester with a crane with a rotary drive according to the invention.
  • Generic rotational drives such as with an attached gripper as a load-handling device, find application in numerous fields. Often it is the moving load to bulky items such as logs or pipes or the like. Particularly preferred such rotary drives are used in cranes, which are mounted on vehicles such as in Holz meetntern, taken from English also called Harvester. Likewise, such rotary drives are also used stationary, such as in waste incineration plants or in the construction industry.
  • the hydraulic rotary drive is operated via a hydraulic device, which usually leads from a crane arm to the rotary drive.
  • the object of the invention is to provide an improved hydraulic rotary drive for rotating a lifting device relative to a crane arm, which is characterized by a broader usability.
  • the Gleitromeiervoriques is at least partially not disposed outside of the shaft or the shaft bearing and thereby contributes to smaller dimensions of the hydraulic rotary drive, resulting in a more compact design of a hydraulic rotary drive.
  • the power supply to Gleitromeiervorides substantially axially in the shaft and / or runs substantially radially in the shaft bearing or vice versa.
  • a protective housing for the - preferably axial - power supply and / or the current discharge is provided. Due to the design of a protective housing damage to the power supply during operation can be prevented.
  • the current discharge from the Gleitromeiervorraum is formed on the load receiving means facing the end of the rotary drive and leads away laterally from the rotary drive. Due to the lateral routing of the current discharge, this can take place independently of a load-receiving means attached to the first fastening means.
  • the Gleitromeiervorraum is formed on the load receiving means facing the end of the shaft. This can be achieved that the Gleitcardiervortechnisch - such as for maintenance purposes - is easily accessible.
  • the shaft is designed as a rotor and the shaft bearing as a stator.
  • the Gleit.iervorraum has at least one - preferably four - slip ring (s) and at least one - preferably four - sliding contact (s).
  • the formation of a Gleit.iervorides with slip ring and sliding contacts is particularly stable and easy to manufacture.
  • the - preferably the four - slip ring (s) is (are) attached to a bearing of the protective housing and that the - Preferably, the four - sliding contact (s) is attached to the shaft (are).
  • the arrangement of the slip ring on the stationary part of the rotary drive and on the other hand by the arrangement of the sliding contact on the rotating part of the rotary drive lower moving masses can be achieved.
  • a connection of the current discharge to the Gleitromeiervorraum is provided, wherein the connection of the current discharge is formed in the recess.
  • the direct connection of the current discharge to the Gleitromeiervorides located in the recess also lower moving masses can be achieved because you can do without a plug or the like on the moving part of the rotary drive.
  • Protection is also desired for a crane having a hydraulic rotary drive for rotating a load-bearing means relative to a crane arm, wherein a crane arm is connected to the second fastening means of the hydraulic rotary drive.
  • FIG. 1 shows the side view of a harvester 100 also known as wood harvesters.
  • This harvester 100 has a crane 101.
  • the crane 101 has a crane arm 102 to which, via a rotary joint arrangement 103, the load-receiving means 104, in this embodiment a woodworking device for cutting and trimming trees, is fastened.
  • the load-receiving means 104 in this embodiment a woodworking device for cutting and trimming trees, is fastened.
  • the load receiving means 104 of the hydraulic rotary drive 1 for rotating the load receiving means 104 is arranged relative to the crane arm 102.
  • FIG. 2 shows a crane arm 102, on which a rotary joint assembly 103 is arranged.
  • this rotary drive 1 is connected to the crane arm 102.
  • the second fastening means 21 are formed as spaced-apart, double tabs, between each of which a crane arm 102 arranged on the counterpart piece can be inserted and rotatably connected by a bolt.
  • the rotary joint assembly 103 is formed.
  • the rotary joint 103 is formed as a split pivot joint 103, so that there is a free space between the tabs. Of course, this would not have to be this way. Also conceivable would be, for example, a continuous bolt.
  • the hydraulic rotary drive 1 has a shaft bearing 20, in whose interior a shaft 10 is formed.
  • the shaft 10 has first attachment means 11, via which the load-receiving means 104, not shown, can be fastened to the shaft 10.
  • the recess 5, not shown here, and the sliding contacting device 2 arranged therein are formed in this preferred embodiment (see in this regard FIG. 4 and FIG. 5 ).
  • FIG. 3 shows a perspective view of a hydraulic rotary drive 1, as just in FIG. 2 described. From this view, it is further clear that the hydraulic connections 51 and 52 are arranged on the shaft 10 for the supply of the load-receiving means 104, not shown. Otherwise, the under FIG. 2 With regard to the rotary drive 1 mentioned.
  • FIG. 4 shows a hydraulic rotary drive 1 for rotating a load-receiving means 104, not shown here (see FIG. 1 ) relative to a crane arm 102, not shown here (see FIG. 2 ) with a shaft 10 and a shaft bearing 20, first fastening means 11, on the load receiving means 104 facing the end 7 of the shaft 10 for connecting the shaft 10 to the load receiving means 104, and second fastening means 21, which are formed on the shaft bearing 20, for connecting the Shaft bearing 20 with the crane arm 102.
  • wings 12 are arranged, which are acted upon to transmit a torque to the shaft 10 via an oil supply and oil removal with oil, as is well known in the art.
  • the GleitCountiervorraum 2 is electrically contacted with a power supply 3 and a current drain 4, wherein in this preferred embodiment, the Gleitcardiervorides 2 in the recess 5 of the shaft 10 is substantially completely absorbed.
  • the recess 5 is completely encased in this preferred embodiment of the shaft 10 and thus also the Gleitromeiervorides 2 is completely encased by the shaft 10.
  • the Gleitromeiervorraum 2 is freely accessible from below, it is also conceivable that you can attach a cover here to close the recess 5 also down.
  • the power supply 3 extends in this preferred embodiment, first substantially radially to the shaft bearing 20 and then substantially axially in the shaft 10 to Gleitromeiervorraum 2.
  • a protective housing 6 is provided for the axial power supply 3.
  • a corresponding protective housing for the radial power supply is possible, but not considered in this embodiment.
  • the shaft 10 is in this preferred embodiment on the load receiving means 104 facing the end 7 of the rotary drive 1 on the shaft bearing 20 addition. It can thereby be achieved that the first fastening means 11 are easily accessible in order to establish a connection of the load-receiving means 104 and the shaft 10.
  • the load-receiving means 104 is fastened via the fastening means 11 directly below the shaft 10 on the shaft 10.
  • the current discharge 4 of the Gleitromeiervoriques is formed in this preferred embodiment of the load receiving means 104 facing the end 7 of the rotary drive 1 and leads of this rotary drive 1 side 8 away.
  • the lateral path guide 8 of the current outlet 4 here at an angle of 30 to 60 ° to the longitudinal axis L of the shaft 10.
  • the Gleitromeiervorraum 2 is formed on the load receiving means 104 facing the end 7 of the shaft 10, as well as it is of course conceivable - as in the FIG. 6
  • the preferred construction is such that the Gleitcardiervoruze 2 at the lower end of the shaft 10th is placed in the recess 5.
  • the Gleitcardiervorraum 2 four slip rings 31 and 32 and also corresponding thereto sliding contacts 41 and 42.
  • the slip rings 31 and 32 are fixed to a bearing 9 of the protective housing 6 and thus do not rotate with the shaft 10, the sliding contacts 41st and 42 are fixed to the shaft 10 and thus rotate with this. Of course, this could also be done the other way around.
  • connection 43 of the current drain 4 takes place here in the interior of the recess 5 of the shaft 10 and not via a connector outside the shaft 10th
  • the hydraulic rotary drive 1 is arranged on a crane 101 for rotating the load receiving means 104 relative to the crane arm 102, wherein the crane arm 102 via the second fastening means 21 (see FIG. 2 ) is connected to the hydraulic rotary drive 1.
  • FIG. 5 shows the bottom view of the hydraulic rotary drive 1, just as in the at FIG. 4 illustrated embodiment.
  • FIG. 6 shows an alternative variant for a hydraulic rotary drive 1 for rotating a load-receiving means 104, not shown here relative to a crane arm 102, not shown here, as just in the FIG. 4 and 5 explained.
  • the Gleitromeiervorraum 2 is not accessible from the load side medium, but from the crane arm side.
  • FIGS. 7 . 8th and 9 will now be discussed in more detail on the drive of the hydraulic rotary drive 1, which is designed for transmitting a torque to the shaft (10) in the interior of the rotary drive 1.
  • FIG. 7 shows an exploded perspective view of the hydraulic rotary drive 1 as in the figure description of Figures 2 . 3 . 4 and 5 described. It applies that mentioned there.
  • the shaft 10 is formed inside the shaft bearing 20 and inside the stator 50.
  • eight wings 12 are formed in this preferred embodiment, as shown in the exploded view of FIG. 8 evident.
  • the wings 12 are spring-loaded (not shown) pushed out of the shaft 10 and extend to the inner wall 30 of the stator 50, wherein the inner wall 30 of the stator 50 has a deviating from the circular cross-section, as shown in the sectional view of FIG. 9 is apparent.
  • a preferred guidance of the shaft 10 in the stator ring 50 can be achieved.
  • the wings 12 and thus the shaft 10 are driven by oil, which can flow pressurized in the interior 40 between the shaft 10 and the stator ring 50.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP20110009500 2010-12-02 2011-12-01 Entraînement rotatif hydraulique Active EP2460758B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT20112010A AT510764A1 (de) 2010-12-02 2010-12-02 Hydraulischer rotationsantrieb

Publications (2)

Publication Number Publication Date
EP2460758A1 true EP2460758A1 (fr) 2012-06-06
EP2460758B1 EP2460758B1 (fr) 2014-02-12

Family

ID=45318762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110009500 Active EP2460758B1 (fr) 2010-12-02 2011-12-01 Entraînement rotatif hydraulique

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EP (1) EP2460758B1 (fr)
AT (1) AT510764A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017203107A1 (fr) * 2016-05-25 2017-11-30 Ponsse Oyj Structure d'un dispositif de rotation, dispositif de rotation correspondant, et machine forestière
WO2018038676A1 (fr) * 2016-08-26 2018-03-01 Indexator Rotator Systems Ab Agencement de rotateur
WO2018038675A1 (fr) * 2016-08-26 2018-03-01 Indexator Rotator Systems Ab Agencement de rotateur
EP3388385A1 (fr) * 2017-04-12 2018-10-17 EPSILON Kran GmbH. Entraînement rotatif
WO2019233973A1 (fr) * 2018-06-08 2019-12-12 Indexator Rotator Systems Ab Rotateur hydraulique à aubes en extension
WO2022002871A1 (fr) * 2020-07-03 2022-01-06 Indexator Rotator Systems Ab Dispositif de rotation pour un outil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003057615A1 (fr) * 2001-11-26 2003-07-17 Cranab Ab Dispositif pour monter un outil rotatif
EP1889808A1 (fr) * 2006-04-03 2008-02-20 Epsilon Kran GmbH Flèche articulée avec dispositif de fixation pour une machine de travail
US7735530B1 (en) * 2006-10-20 2010-06-15 Puma, Llc Rotary dangle head having continuous rotation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003057615A1 (fr) * 2001-11-26 2003-07-17 Cranab Ab Dispositif pour monter un outil rotatif
EP1889808A1 (fr) * 2006-04-03 2008-02-20 Epsilon Kran GmbH Flèche articulée avec dispositif de fixation pour une machine de travail
EP1889808B1 (fr) 2006-04-03 2009-09-09 Epsilon Kran GmbH Flèche articulée avec dispositif de fixation pour une machine de travail
US7735530B1 (en) * 2006-10-20 2010-06-15 Puma, Llc Rotary dangle head having continuous rotation

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3464153A4 (fr) * 2016-05-25 2020-06-03 Ponsse OYJ Structure d'un dispositif de rotation, dispositif de rotation correspondant, et machine forestière
SE543931C2 (en) * 2016-05-25 2021-09-28 Ponsse Oyj Rotation device and forest machine
CN109195899A (zh) * 2016-05-25 2019-01-11 蓬塞有限公司 转动装置的结构、相应的转动装置以及林业机械
DE202017007033U1 (de) 2016-05-25 2019-03-25 Ponsse Oyj Struktur einer Drehvorrichtung und eine entsprechende Drehvorrichtung sowie eine Forstmaschine
US11365526B2 (en) 2016-05-25 2022-06-21 Ponsse Oyj Structure of a rotation device, and a corresponding rotation device, and a forest machine
WO2017203107A1 (fr) * 2016-05-25 2017-11-30 Ponsse Oyj Structure d'un dispositif de rotation, dispositif de rotation correspondant, et machine forestière
RU2738981C2 (ru) * 2016-05-25 2020-12-21 Понссе Ойй Конструкция ротационного устройства и соответствующее ротационное устройство, и лесозаготовительная машина
CN109195899B (zh) * 2016-05-25 2020-11-03 蓬塞有限公司 转动装置的结构、相应的转动装置以及林业机械
WO2018038677A1 (fr) * 2016-08-26 2018-03-01 Indexator Rotator Systems Ab Agencement de rotateur
WO2018038676A1 (fr) * 2016-08-26 2018-03-01 Indexator Rotator Systems Ab Agencement de rotateur
WO2018038675A1 (fr) * 2016-08-26 2018-03-01 Indexator Rotator Systems Ab Agencement de rotateur
US20180297823A1 (en) * 2017-04-12 2018-10-18 Epsilon Kran Gmbh Hydraulic rotational drive
RU2709232C2 (ru) * 2017-04-12 2019-12-18 Эпзилон Кран Гмбх. Привод вращения
JP2018177531A (ja) * 2017-04-12 2018-11-15 エプシロン クラーン ゲゼルシャフト ミット ベシュレンクテル ハフツングEPSILON Kran GmbH 液圧式の回転駆動装置
EP3388385A1 (fr) * 2017-04-12 2018-10-17 EPSILON Kran GmbH. Entraînement rotatif
KR20180115231A (ko) * 2017-04-12 2018-10-22 엡실론 크란 게엠베하. 유압 회전 구동 장치
US10927863B2 (en) 2017-04-12 2021-02-23 Epsilon Kran Gmbh Hydraulic rotational drive
WO2019233973A1 (fr) * 2018-06-08 2019-12-12 Indexator Rotator Systems Ab Rotateur hydraulique à aubes en extension
CN112154117A (zh) * 2018-06-08 2020-12-29 因得克斯阿托尔罗塔托尔系统股份公司 液压转子装置
CN112154117B (zh) * 2018-06-08 2023-02-28 因得克斯阿托尔罗塔托尔系统股份公司 液压转子装置
WO2022002871A1 (fr) * 2020-07-03 2022-01-06 Indexator Rotator Systems Ab Dispositif de rotation pour un outil

Also Published As

Publication number Publication date
AT510764A1 (de) 2012-06-15
EP2460758B1 (fr) 2014-02-12

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