DE69521423T2 - Vorrichtung zum dämpfen von ungewünschten schwingungen in einem kranelement - Google Patents
Vorrichtung zum dämpfen von ungewünschten schwingungen in einem kranelementInfo
- Publication number
- DE69521423T2 DE69521423T2 DE69521423T DE69521423T DE69521423T2 DE 69521423 T2 DE69521423 T2 DE 69521423T2 DE 69521423 T DE69521423 T DE 69521423T DE 69521423 T DE69521423 T DE 69521423T DE 69521423 T2 DE69521423 T2 DE 69521423T2
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic
- restriction
- valve
- crane
- line
- 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.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 title claims abstract description 25
- 239000003921 oil Substances 0.000 abstract description 16
- 230000010355 oscillation Effects 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 238000009877 rendering Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 230000003534 oscillatory effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- B66C23/84—Slewing gear
- B66C23/86—Slewing gear hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
- B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/8616—Control during or prevention of abnormal conditions the abnormal condition being noise or vibration
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9401369A SE505698C2 (sv) | 1994-04-22 | 1994-04-22 | Anordning för dämpning av icke önskvärda oscillationsrörelser i en krandel |
PCT/SE1995/000375 WO1995029118A1 (en) | 1994-04-22 | 1995-04-07 | A device for damping undesirable oscillations in a crane member |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521423D1 DE69521423D1 (de) | 2001-07-26 |
DE69521423T2 true DE69521423T2 (de) | 2002-05-02 |
Family
ID=20393744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521423T Expired - Lifetime DE69521423T2 (de) | 1994-04-22 | 1995-04-07 | Vorrichtung zum dämpfen von ungewünschten schwingungen in einem kranelement |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0756574B1 (sv) |
AT (1) | ATE202324T1 (sv) |
AU (1) | AU2354395A (sv) |
DE (1) | DE69521423T2 (sv) |
SE (1) | SE505698C2 (sv) |
WO (1) | WO1995029118A1 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2158637T3 (es) | 1998-09-08 | 2001-09-01 | Palfinger Ag | Grua. |
DK179730B1 (en) * | 2017-10-06 | 2019-04-26 | Hmf Group A/S | Damping System, Damping Method and Crane Comprising It |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1284071B (de) * | 1966-06-30 | 1968-11-28 | Maschf Augsburg Nuernberg Ag | Laufkatze mit Hubfuehrung des Lastaufnahmemittels durch ein Lenkergetriebe, einer Zwanglaufvorrichtung sowie einer den Zwanglauf begrenzt aufhebenden Ausgleichsvorrichtung |
US4531647A (en) * | 1976-01-14 | 1985-07-30 | Hitachi, Ltd. | Device for stopping the swinging movement of a load hung by a crane |
JPH0815998B2 (ja) * | 1989-10-14 | 1996-02-21 | 株式会社神戸製鋼所 | ホイール式クレーンの振動抑制装置 |
SE508992C2 (sv) * | 1991-05-22 | 1998-11-23 | Einar Karlsson | Anordning för att dämpa svängningar i en hydraulisk lastkran |
-
1994
- 1994-04-22 SE SE9401369A patent/SE505698C2/sv not_active IP Right Cessation
-
1995
- 1995-04-07 DE DE69521423T patent/DE69521423T2/de not_active Expired - Lifetime
- 1995-04-07 AT AT95917527T patent/ATE202324T1/de not_active IP Right Cessation
- 1995-04-07 AU AU23543/95A patent/AU2354395A/en not_active Abandoned
- 1995-04-07 EP EP95917527A patent/EP0756574B1/en not_active Expired - Lifetime
- 1995-04-07 WO PCT/SE1995/000375 patent/WO1995029118A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ATE202324T1 (de) | 2001-07-15 |
EP0756574A1 (en) | 1997-02-05 |
WO1995029118A1 (en) | 1995-11-02 |
SE9401369L (sv) | 1995-10-23 |
DE69521423D1 (de) | 2001-07-26 |
SE505698C2 (sv) | 1997-09-29 |
SE9401369D0 (sv) | 1994-04-22 |
EP0756574B1 (en) | 2001-06-20 |
AU2354395A (en) | 1995-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |