DE19681624B4 - Pressure medium system, in particular for applying and controlling a Hochhebeauslegereinheit, in conjunction with a work machine - Google Patents
Pressure medium system, in particular for applying and controlling a Hochhebeauslegereinheit, in conjunction with a work machine Download PDFInfo
- Publication number
- DE19681624B4 DE19681624B4 DE19681624T DE19681624T DE19681624B4 DE 19681624 B4 DE19681624 B4 DE 19681624B4 DE 19681624 T DE19681624 T DE 19681624T DE 19681624 T DE19681624 T DE 19681624T DE 19681624 B4 DE19681624 B4 DE 19681624B4
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- Germany
- Prior art keywords
- cylinder
- pressure chamber
- drive
- boom
- pressurized
- Prior art date
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- Revoked
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- 239000012530 fluid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
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- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
- F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- 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
- B66C13/18—Control systems or devices
-
- 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
- B66C23/06—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 with jibs mounted for jibbing or luffing movements
- B66C23/08—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
- B66C23/10—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
-
- 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
- B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
-
- 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
- E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/301—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
-
- 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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
-
- 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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
- E02F3/436—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like for keeping the dipper in the horizontal position, e.g. self-levelling
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
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- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
-
- 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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
- F15B2211/50581—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves
- F15B2211/5059—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves using double counterbalance valves
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- 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
- F15B2211/615—Filtering means
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- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
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- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7121—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in series
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Operation Control Of Excavators (AREA)
Abstract
System,
das ein unter Druck gesetztes Mittel zur Anwendung und Steuerung
einer Hebeauslegereinrichtung, insbesondere in Verbindung mit einer
Arbeitsmaschine benutzt, wobei die Hebeauslegereinrichtung (X)
– einen
vertikalen Hauptausleger (X1) aufweist, dessen erstes Ende mit der
Arbeitsmaschine verbunden ist,
– einen Zwischenausleger (X2)
aufweist, dessen erstes Ende durch einen Gelenkstoß mit dem
zweiten Ende des Hauptauslegers (X1) verbunden ist, und
– einen
Endausleger (X3) aufweist, dessen erstes Ende durch einen Gelenkstoß mit dem
zweiten Ende des Zwischenauslegers (X2) verbunden ist und dessen
zweites Ende mit Mitteln zum Befestigen der für bestimmte Arbeitstätigkeiten
der Hebeauslegereinrichtung (X) erforderlichen Ausrüstung versehen
ist, und
das System, das ein unter Druck gesetztes Mittel verwendet:
– eine erste
Zylinder-Kolben-Einrichtung (1) aufweist, die ein unter Druck gesetztes
Mittel verwendet und zwischen dem Hauptausleger (X1) und dem Zwischenausleger
(X2) wirkt, um vertikale Bewegungen des zweiten Endes des Endauslegers
(X3) zu erzeugen,
– eine...A system using a pressurized means for the application and control of a lifter device, in particular in connection with a work machine, the lifter device (X)
A vertical main boom (X1), the first end of which is connected to the working machine,
- Having an intermediate arm (X2) whose first end is connected by a joint joint with the second end of the main boom (X1), and
- has an end arm (X3) whose first end is connected by a joint joint with the second end of the intermediate boom (X2) and whose second end is provided with means for attaching the equipment required for certain operations of the lifting boom device (X), and
the system using a pressurized resource:
A first cylinder piston device (1) which uses a pressurized means and acts between the main boom (X1) and the intermediate boom (X2) to produce vertical movements of the second end of the end boom (X3),
- a ...
Description
Die Erfindung betrifft ein System nach dem Oberbegriff des Anspruchs 1, das besonders zur Verwendung in Verbindung mit einer Arbeitsmaschine, die ein unter Druck gesetztes Mittel zur Anwendung und Steuerung einer Hebeauslegereinrichtung verwendet, gedacht ist.The The invention relates to a system according to the preamble of the claim 1, especially for use in conjunction with a work machine, the a pressurized means of applying and controlling a Lifting device used, is intended.
Eine Hochhebe- oder Hebeauslegereinrichtung zur Ausführung des erfindungsgemäßen Systems weist typischerweise einen im Wesentlichen vertikalen Hauptausleger und einen Zwischenausleger, der schwenkbar an den Hauptausleger montiert ist, auf. Des Weiteren ist ein Endausleger schwenkbar an diesem Zwischenausleger montiert, durch den eine Nutzlast, eine Arbeitsmaschine oder dergleichen an dem Zwischenausleger befestigt werden kann, um von der Hebeauslegereinrichtung bewegt zu werden. Eine solche hydraulische Hebeauslegereinrichtung wird mit zwei Zylinder-Kolben-Einrichtungen betrieben, wobei die erste Zylinder-Kolben-Einrichtung, die den Hauptausleger mit dem Zwischenausleger verbindet, gebraucht wird, um eine Bewegung im Wesentlichen in vertikaler Richtung zu bewirken und eine im Wesentlichen horizontale Bewegung wird in entsprechenderweise durch Gebrauch der zweiten Zylinder-Kolben-Einrichtung im Zusammenhang mit der ersten Zylinder-Kolben-Einrichtung bewirkt. In herkömmlichen Hebeauslegereinrichtungen wird eine Zylinder-Kolben-Einrichtung durch eine Steuereinheit, die mit separaten Steuerventilen versehen ist, über ein hydraulisches Mittel gesteuert, das in einer Druckeinheit unter Druck gesetzt wird und durch unabhängige primäre und sekundäre Leitungen, die mit den Steuerventilen verbunden sind, geleitet wird.A Lifting or lifting device for carrying out the system according to the invention typically has a substantially vertical main boom and an intermediate boom pivotally attached to the main boom is mounted on. Furthermore, an end arm is pivotable this intermediate boom mounted by a payload, a Working machine or the like attached to the intermediate boom can be moved to be moved by the lifting boom device. Such a hydraulic lifter device is provided with two cylinder-piston devices operated, wherein the first cylinder-piston device, the Main boom connecting with intermediate boom, is needed to effect a movement substantially in the vertical direction and a substantially horizontal movement is accordingly by use of the second cylinder-piston device in connection effected with the first cylinder-piston device. In conventional Lifting equipment becomes a cylinder-piston device by a control unit, which is provided with separate control valves is over a hydraulic means controlled in a pressure unit under Pressure is set and by independent primary and secondary lines, which are connected to the control valves, is passed.
Eine Hebeauslegereinrichtung der oben erwähnten Art, wird auf eine Weise manövriert, dass z.B. wenn die Nutzlast zum Hauptausleger hin bewegt werden soll, die erste Zylinder-Kolben-Einrichtung zum Hochschwenken des Zwischenauslegers benutzt wird und gleichzeitig das freie Ende des Endauslegers mit der zweiten Zylinder-Kolben-Einrichtung entsprechend abgesenkt wird, wobei das Manöver in natürlicher Weise in umgekehrter Richtung ausgeführt wird, um die Nutzlast vom Hauptausleger wegzubewegen. Das Gewicht der Nutzlast wird einen bestimmten Druckwert in jeder Zylinder-Kolben-Einrichtung erzeugen. Um die Nutzlast vom Hauptausleger wegzubefördern, wird aufgrund der Wirkung der Erdanziehungskraft kein Druck aus der Druckeinheit zur Steuerung der ersten Zylinder-Kolben-Einrichtung benötigt, wo hingegen voller Druck zur Steuerung der zweiten Zylinder-Kolben-Einrichtung benötigt wird. Somit wird der Arbeitsdruck in einem hydraulischen System, wo die Zylinder-Kolben-Einrichtungen mit dem hydraulischen System, gemäß dem Stand der Technik, durch völlig unabhängige Flusskanäle verbunden sind, immer vom benötigten Maximaldruck bestimmt sein. Folglich wird, wenn beide Zylinder-Kolben-Einrichtungen die gleiche Größe haben, die Hälfte der von der Druckeinheit erzeugten Energie in Verlustwärme umgewandelt. Des Weiteren sind die Zylinder sehr leicht Kavitation unterworfen. Das beruht auf der Tatsache, dass der von der Nutzlast und von der Masse der Hebeauslegereinrichtung selber verursachte Druck einen starken Fluss in Richtung der Rückflussöffnungen der Zylinder-Kolben-Einrichtung erzeugt und es nicht möglich ist, einen Ersatz des unter Druck gesetzten Mittels durch die Ventilanordnungen in einer hinreichenden Rate an den Einflussöffnungen bereitzustellen. Des Weiteren ist es schwierig, die Hebeauslegereinrichtung zum Bewegen einer Nutzlast oder dergleichen, speziell in der horizontalen Richtung zu benutzen, weil ein gleichzeitiger Gebrauch beider Zylinder-Kolben-Einrichtungen notwendig ist, aber diese separat, aber gleichzeitig mit zwei Steuerventilen gesteuert werden.A Lifting device of the type mentioned above, is in a way maneuvered that e.g. when the payload is moved towards the main boom shall, the first cylinder-piston device used to swing up the intermediate boom and at the same time the free end of the end arm with the second cylinder-piston device is lowered accordingly, the maneuver in a natural way in reverse Direction executed is to move the payload away from the main boom. The weight The payload will have a specific pressure value in each cylinder-piston device produce. To carry away the payload from the main boom, is due to the effect of gravity no pressure from the pressure unit needed to control the first cylinder-piston device where however, full pressure to control the second cylinder-piston device needed becomes. Thus, the working pressure in a hydraulic system, where the cylinder-piston devices with the hydraulic system, according to the prior art, by completely independent flow channels are always connected, needed Be determined maximum pressure. Consequently, when both cylinder-piston devices the same size, the half the energy generated by the printing unit converted into heat loss. Of Furthermore, the cylinders are very easily subjected to cavitation. The based on the fact that the payload and the mass the lifting device itself caused pressure a strong River in the direction of the reflux openings produces the cylinder-piston device and it is not possible a replacement of the pressurized agent by the valve assemblies at a sufficient rate at the influent openings. Of Further, it is difficult to move the elevator jig a payload or the like, especially in the horizontal direction to use because a simultaneous use of both cylinder-piston devices necessary, but this separately, but at the same time with two control valves to be controlled.
Die
Aufgabe der vorliegenden Erfindung ist es, ein gattungsgemäßes System zu verbessern und insbesondere eine ausbalancierte Bewegung der Ausleger bereitzustellen. Diese Aufgabe wird durch ein System mit den Merkmalen des Anspruchs 1 gelöst, in dem die Wörter vertikal und horizontal im Sinne von im Wesentlichen vertikal bzw. im Wesentlichen horizontal zu verstehen sind.task The present invention is a generic system to improve and in particular a balanced movement of To provide boom. This task is through a system with solved the features of claim 1, in which the words vertically and horizontal in the sense of substantially vertical or substantially horizontal to be understood.
Erfindungsgemäß ist bei einem eingangs beschriebenen System vorgesehen, dass der Sekundäranschluss des zweiten Steuerventils mit der ersten Druckkammer des zweiten Antriebs über ein Nutzlastabsenkventil verbunden ist und die zweite Druckkammer des zweiten Antriebs mit der ersten Druckkammer des ersten Antriebs über das Nutzlastabsenkventil gekoppelt ist.According to the invention is at a system described above, that the secondary terminal of the second control valve with the first pressure chamber of the second Drive over a payload lowering valve is connected and the second pressure chamber of the second drive with the first pressure chamber of the first drive via the Payload lowering valve is coupled.
Durch das Vorsehen des Nutzlastabsenkventils können irgendwelche unbeabsichtigten Bewegungen des zweiten Antriebs verhindert werden. Hierdurch ist es möglich, vielseitige Arbeitsweisen mit nur zwei Steuerventilen zu steuern, was zu einer einfachen Steuerung und Handhabung des erfindungsgemäßen Systems führt.By providing the payload lowering valve, any unintended movements of the second drive can be prevented. This makes it possible to control versatile operations with only two control valves, resulting in a simple control and handling of the system according to the invention leads.
Vorteilhafte Ausführungsformen der vorliegenden Erfindung werden in den Unteransprüchen, die sich auf das System beziehen, vorgestellt.advantageous embodiments The present invention is in the subclaims, the referring to the system presented.
In der folgenden Beschreibung wird die Erfindung im Detail unter Bezugnahme auf die beigefügten Figuren beschrieben, in welcherIn In the following description, the invention will be described in detail with reference to FIG on the attached Figures described in which
Die
Erfindung betrifft ein Verfahren in einem Druckmittelsystem, das
wenigstens zwei Zylinder-Kolben-Einrichtungen
Das
erfindungsgemäße Verfahren
wird gemäß dem in
In
einer besonders vorteilhaften Ausführungsform weiter unter Bezugnahme
auf das in
In
einer Situation umgekehrten Gebrauchs des Druckmittelsystems wird
während
des gleichzeitigen Gebrauchs der Antriebe
Eine
besonders vorteilhafte Ausführungsform
des Verfahrens zeigt, Bezug wird auf
In
einer anderen vorteilhaften Ausführungsform
wird das unter Druck gesetzte Mittel vom Primäranschluß
Um
die Nutzlast zum Hauptausleger X1 hinzubewegen, wird unter Druck
gesetztes Mittel in entsprechender Weise vom Sekundäranschluß
Wie
in den
Es
ist offensichtlich, daß die
Steuerventile
Claims (3)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI955172 | 1995-10-30 | ||
FI955172A FI955172A0 (en) | 1995-10-30 | 1995-10-30 | Foerfarande i ett tryckmediumsystem och ett tryckmediumsystem |
PCT/FI1996/000559 WO1997016372A1 (en) | 1995-10-30 | 1996-10-22 | Method in a pressure medium system for employing and controlling a lifting boom unit particularly in connection with a work machine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19681624T1 DE19681624T1 (en) | 1998-12-10 |
DE19681624B4 true DE19681624B4 (en) | 2007-10-04 |
Family
ID=8544278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681624T Revoked DE19681624B4 (en) | 1995-10-30 | 1996-10-22 | Pressure medium system, in particular for applying and controlling a Hochhebeauslegereinheit, in conjunction with a work machine |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA2231498C (en) |
DE (1) | DE19681624B4 (en) |
FI (2) | FI955172A0 (en) |
SE (1) | SE525907C2 (en) |
WO (1) | WO1997016372A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012023562B3 (en) * | 2012-12-01 | 2013-12-19 | Festo Ag & Co. Kg | Lifting device has control unit that is coupled for limiting the movement of movable wall portion, and primary and secondary chambers that are filled with an incompressible fluid from closed-force-feedback fluid system |
CN108516467A (en) * | 2018-06-20 | 2018-09-11 | 徐州重型机械有限公司 | The hydraulic control system and hoisting machinery of hoisting machinery |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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FI111938B (en) * | 1999-07-06 | 2003-10-15 | Plustech Oy | Boom control system for off-road machine |
DE102006018706A1 (en) | 2006-04-21 | 2007-10-25 | Robert Bosch Gmbh | Hydraulic control arrangement |
DE102007029358A1 (en) | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Method and hydraulic control arrangement for pressure medium supply at least one hydraulic consumer |
DE102007029355A1 (en) | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Hydraulic control arrangement |
CN102605786B (en) * | 2012-04-09 | 2014-07-16 | 山河智能装备股份有限公司 | Pile pressing-in back stroke control system of static pile pressing-in machine and operation method of pile pressing-in back stroke control system |
FI124684B (en) * | 2012-12-03 | 2014-12-15 | Ponsse Oyj | Crane |
CN115231485A (en) * | 2022-07-18 | 2022-10-25 | 湖南星邦智能装备股份有限公司 | Leveling hydraulic control system and aerial work platform |
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US3884359A (en) * | 1968-11-27 | 1975-05-20 | Hopper Inc | Level luffing crane |
DE2129052B2 (en) * | 1970-06-23 | 1980-03-20 | Vereinigte Edelstahlwerke Ag (Vew), Wien Niederlassung Vereinigte Edelstahlwerke Ag (Vew) Verkaufsniederlassung Buederich, 4005 Meerbusch | Drill support |
DE3008423C2 (en) * | 1979-04-02 | 1987-10-15 | Hiab-Foco Ab, Hudiksvall, Se | |
WO1988001600A1 (en) * | 1986-09-01 | 1988-03-10 | Ösa Ab | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
DE4009163A1 (en) * | 1990-03-02 | 1991-09-05 | Schwing Gmbh F | EXCAVATORS WITH AUTOMATIC PARALLEL POSITIONING HIS HAND-CONTROLLABLE WORK TOOL AND ARM SYSTEM THROUGH SENSORS |
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JPS57195904A (en) * | 1981-05-26 | 1982-12-01 | Shimadzu Corp | Hydraulic cylinder system |
GB8404005D0 (en) * | 1984-02-15 | 1984-03-21 | Boart Int Ltd | Drilling boom |
FI90584C (en) * | 1991-04-10 | 1994-02-25 | Seppo Ensio Nisula | Method and apparatus for conducting a pressure medium to actuators |
-
1995
- 1995-10-30 FI FI955172A patent/FI955172A0/en not_active Application Discontinuation
-
1996
- 1996-10-22 CA CA002231498A patent/CA2231498C/en not_active Expired - Fee Related
- 1996-10-22 DE DE19681624T patent/DE19681624B4/en not_active Revoked
- 1996-10-22 WO PCT/FI1996/000559 patent/WO1997016372A1/en active Application Filing
-
1998
- 1998-03-12 FI FI980558A patent/FI122922B/en not_active IP Right Cessation
- 1998-04-15 SE SE9801290A patent/SE525907C2/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884359A (en) * | 1968-11-27 | 1975-05-20 | Hopper Inc | Level luffing crane |
DE2129052B2 (en) * | 1970-06-23 | 1980-03-20 | Vereinigte Edelstahlwerke Ag (Vew), Wien Niederlassung Vereinigte Edelstahlwerke Ag (Vew) Verkaufsniederlassung Buederich, 4005 Meerbusch | Drill support |
DE3008423C2 (en) * | 1979-04-02 | 1987-10-15 | Hiab-Foco Ab, Hudiksvall, Se | |
WO1988001600A1 (en) * | 1986-09-01 | 1988-03-10 | Ösa Ab | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
DE4009163A1 (en) * | 1990-03-02 | 1991-09-05 | Schwing Gmbh F | EXCAVATORS WITH AUTOMATIC PARALLEL POSITIONING HIS HAND-CONTROLLABLE WORK TOOL AND ARM SYSTEM THROUGH SENSORS |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012023562B3 (en) * | 2012-12-01 | 2013-12-19 | Festo Ag & Co. Kg | Lifting device has control unit that is coupled for limiting the movement of movable wall portion, and primary and secondary chambers that are filled with an incompressible fluid from closed-force-feedback fluid system |
CN108516467A (en) * | 2018-06-20 | 2018-09-11 | 徐州重型机械有限公司 | The hydraulic control system and hoisting machinery of hoisting machinery |
CN108516467B (en) * | 2018-06-20 | 2019-10-25 | 徐州重型机械有限公司 | The hydraulic control system and hoisting machinery of hoisting machinery |
Also Published As
Publication number | Publication date |
---|---|
FI122922B (en) | 2012-08-31 |
WO1997016372A1 (en) | 1997-05-09 |
SE9801290L (en) | 1998-04-15 |
FI980558A (en) | 1998-03-12 |
CA2231498A1 (en) | 1997-05-09 |
SE525907C2 (en) | 2005-05-24 |
FI980558A0 (en) | 1998-03-12 |
SE9801290D0 (en) | 1998-04-15 |
DE19681624T1 (en) | 1998-12-10 |
CA2231498C (en) | 2005-12-13 |
FI955172A0 (en) | 1995-10-30 |
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