WO2000073197A1 - Verfahren zum synchronen ein- und austeleskopieren von teleskopschüssen eines kranauslegers - Google Patents
Verfahren zum synchronen ein- und austeleskopieren von teleskopschüssen eines kranauslegers Download PDFInfo
- Publication number
- WO2000073197A1 WO2000073197A1 PCT/DE2000/001741 DE0001741W WO0073197A1 WO 2000073197 A1 WO2000073197 A1 WO 2000073197A1 DE 0001741 W DE0001741 W DE 0001741W WO 0073197 A1 WO0073197 A1 WO 0073197A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- telescopic
- telescopic cylinder
- actual value
- cylinders
- telescopic cylinders
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
Definitions
- the invention relates to a method for the synchronous insertion and removal of a boom having a plurality of telescopic sections of a crane, preferably a mobile crane, according to the preamble of claim 1.
- a single-stage piston-cylinder unit is used as the drive means for telescoping the individual telescopic sections in and the telescopic sections are secured by means of lock bolts that can be inserted and telescoped (EP 0 661 234).
- a telescopic system is used in which the telescopic sections which are mechanically connected to one another via ropes or chains can be synchronously inserted and removed (DE-OS 19 06 483, DE 31 25 603 A1).
- the telescopic sections can also be telescoped in and out synchronously via a multi-stage piston-cylinder unit which is connected on the head side to the innermost section (EP 0 460 476 A1).
- the object of the invention is to provide a method for synchronously telescoping in and out a boom having a plurality of telescopic sections, with which a defined maximum load of the respective extension length can be continuously assigned during the entire telescoping process and asynchrony is avoided.
- an electrical signal is given to an input of control electronics via a pilot control transmitter.
- This signal serves as a setpoint for the telescopic speed of a telescopic cylinder or step taking over the guide role.
- the actual value for the current position of the telescopic cylinder or steps is reported to the control electronics.
- Control electronics make a comparison between the actual value of the telescopic cylinder or step assuming the leading role and the actual value of the telescopic cylinder or steps to be controlled. In the event that an impermissible deviation is found, i. H. within the tolerances inherent in the system, the telescopic speed of the other telescopic cylinders or
- the synchronous control of the telescopic boom is activated via the switch ST, in which case the boom has two telescopic sections 1, 2 that can be extended and retracted. With the pilot control A 2 , the telescopic cylinders are retracted or extended.
- control loop shown in the schematic diagram is described below.
- the letters used have the following meaning.
- Y1.1, Y2.1 proportional valves for extending the telescopic cylinders
- Y1.2, Y 2.2 proportional valves for retracting the telescopic cylinders
- An electrical signal (e.g. 0-10 V, 0-20 mA
- the signal serves as a setpoint for the telescopic speed and possibly also for the detection of the telescopic direction.
- signals such as. B. Engine speed or overdrive button influence the telescopic speed.
- the telescopic direction can also be recognized via a direction key built into pilot control A2.
- This is irrelevant for the consideration of the basic control loop function, which is why the simple structure shown is assumed without additional setpoint generators.
- the feedback about the current extension position of the telescopic cylinder follows via the length sensor B1, B2 etc., which report a corresponding electrical signal to the control electronics.
- the control electronics now control according to the signals of the pilot control and
- Length encoder via the proportional valves Y1.1, Y2.1 or Y1 .2, Y2.2
- Telescopic cylinder of the boom whereby the speed of the movement is regulated by the control current of the proportional valves.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT00949066T ATE243652T1 (de) | 1999-05-26 | 2000-05-25 | Verfahren zum synchronen ein- und austeleskopieren von teleskopschüssen eines kranauslegers |
EP00949066A EP1181232B1 (de) | 1999-05-26 | 2000-05-25 | Verfahren zum synchronen ein- und austeleskopieren von teleskopschüssen eines kranauslegers |
JP2000621273A JP2003500316A (ja) | 1999-05-26 | 2000-05-25 | クレーンブームの伸縮ジブを同期的に伸縮させる方法 |
US09/980,396 US6516960B1 (en) | 1999-05-26 | 2000-05-25 | Method for synchronously retracting and extending telescopic lengths of a crane |
AU62587/00A AU6258700A (en) | 1999-05-26 | 2000-05-25 | Method for synchronously retracting and extending telescopic lengths of a crane jib |
DE50002655T DE50002655D1 (de) | 1999-05-26 | 2000-05-25 | Verfahren zum synchronen ein- und austeleskopieren von teleskopschüssen eines kranauslegers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19925188A DE19925188C2 (de) | 1999-05-26 | 1999-05-26 | Verfahren zum synchronen Ein- und Austeleskopieren von Teleskopschüssen eines Kranauslegers |
DE19925188.6 | 1999-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000073197A1 true WO2000073197A1 (de) | 2000-12-07 |
Family
ID=7909955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/001741 WO2000073197A1 (de) | 1999-05-26 | 2000-05-25 | Verfahren zum synchronen ein- und austeleskopieren von teleskopschüssen eines kranauslegers |
Country Status (7)
Country | Link |
---|---|
US (1) | US6516960B1 (de) |
EP (1) | EP1181232B1 (de) |
JP (1) | JP2003500316A (de) |
AT (1) | ATE243652T1 (de) |
AU (1) | AU6258700A (de) |
DE (2) | DE19925188C2 (de) |
WO (1) | WO2000073197A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5653197B2 (ja) * | 2010-12-07 | 2015-01-14 | 株式会社タダノ | クレーン装置 |
CN103407909B (zh) * | 2013-08-09 | 2016-03-09 | 中联重科股份有限公司 | 臂架的伸缩装置、臂架以及工程机械 |
CH709471A2 (de) * | 2014-04-04 | 2015-10-15 | Villiger Public Systems Gmbh | Hebevorrichtung auf einem Lastkraftfahrzeug. |
DE102016104653A1 (de) * | 2016-03-14 | 2017-09-14 | Schwing Gmbh | Doppelt teleskopierbare Bogenabstützung |
KR102071662B1 (ko) * | 2019-07-04 | 2020-04-01 | 주식회사 금명특장 | 크레인 붐 작동용 비 순차 실린더 조립체 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997062A (en) * | 1972-03-17 | 1976-12-14 | Donald Hassall | Multi-section telescopic jibs |
US4498370A (en) * | 1982-02-22 | 1985-02-12 | Vickers, Incorporated | Power transmission |
EP0773183A2 (de) * | 1995-10-06 | 1997-05-14 | Kidde Industries Inc. | Elektrohydraulische Steuervorrichtung für einen ausfahrbaren Auslegerkran |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE726539A (de) * | 1968-01-10 | 1969-06-16 | ||
DE1906483A1 (de) * | 1969-02-10 | 1970-08-13 | Guenter Rademacher | Teleskopausleger mit Seilbetaetigung,Schraegaufhaengung der Seilrollen im Teleskopausleger |
US4125974A (en) * | 1977-07-08 | 1978-11-21 | Harnischfeger Corporation | Control system for telescopic boom |
US4406375A (en) * | 1980-07-02 | 1983-09-27 | Jlg Industries Inc. | Telescopic boom construction |
US4589076A (en) * | 1983-10-17 | 1986-05-13 | Kabushiki Kaisha Kobe Seiko Sho | Method for controlling stretching and contracting operations of telescopic multistage boom |
US5189605A (en) * | 1989-10-10 | 1993-02-23 | The Manitowoc Company, Inc. | Control and hydraulic system for a liftcrane |
DE4018201A1 (de) * | 1990-06-07 | 1992-01-02 | Krupp Industrietech | Teleskopausleger mit ausschiebeanordnung |
DE4030954C2 (de) * | 1990-09-29 | 1994-08-04 | Danfoss As | Verfahren zur Steuerung der Bewegung eines hydraulisch bewegbaren Arbeitsgeräts und Bahnsteuereinrichtung zur Durchführung des Verfahrens |
GB9326347D0 (en) * | 1993-12-23 | 1994-02-23 | Grove Europ Limited | Improvements in and relating to telescopic booms |
DE4344795A1 (de) * | 1993-12-28 | 1995-06-29 | Liebherr Werk Ehingen | Fahrbarer Kran mit einem Teleskopausleger |
CA2157340C (en) * | 1994-09-27 | 1998-06-09 | Donald C. Hade, Jr. | Carrier track system for independent and/or synchronized operation of a multi-section telescopic boom structure |
US6374147B1 (en) * | 1999-03-31 | 2002-04-16 | Caterpillar Inc. | Apparatus and method for providing coordinated control of a work implement |
US6374153B1 (en) * | 1999-03-31 | 2002-04-16 | Caterpillar Inc. | Apparatus and method for providing coordinated control of a work implement |
-
1999
- 1999-05-26 DE DE19925188A patent/DE19925188C2/de not_active Expired - Fee Related
-
2000
- 2000-05-25 AT AT00949066T patent/ATE243652T1/de not_active IP Right Cessation
- 2000-05-25 AU AU62587/00A patent/AU6258700A/en not_active Abandoned
- 2000-05-25 DE DE50002655T patent/DE50002655D1/de not_active Expired - Lifetime
- 2000-05-25 JP JP2000621273A patent/JP2003500316A/ja active Pending
- 2000-05-25 WO PCT/DE2000/001741 patent/WO2000073197A1/de active IP Right Grant
- 2000-05-25 US US09/980,396 patent/US6516960B1/en not_active Expired - Lifetime
- 2000-05-25 EP EP00949066A patent/EP1181232B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997062A (en) * | 1972-03-17 | 1976-12-14 | Donald Hassall | Multi-section telescopic jibs |
US4498370A (en) * | 1982-02-22 | 1985-02-12 | Vickers, Incorporated | Power transmission |
EP0773183A2 (de) * | 1995-10-06 | 1997-05-14 | Kidde Industries Inc. | Elektrohydraulische Steuervorrichtung für einen ausfahrbaren Auslegerkran |
Also Published As
Publication number | Publication date |
---|---|
EP1181232B1 (de) | 2003-06-25 |
EP1181232A1 (de) | 2002-02-27 |
ATE243652T1 (de) | 2003-07-15 |
DE50002655D1 (de) | 2003-07-31 |
JP2003500316A (ja) | 2003-01-07 |
DE19925188A1 (de) | 2000-12-07 |
US6516960B1 (en) | 2003-02-11 |
DE19925188C2 (de) | 2003-03-13 |
AU6258700A (en) | 2000-12-18 |
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