EP4053068B1 - Hubsystem mit dreiwege-bewegungskompensationsfunktion - Google Patents

Hubsystem mit dreiwege-bewegungskompensationsfunktion Download PDF

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Publication number
EP4053068B1
EP4053068B1 EP20909257.6A EP20909257A EP4053068B1 EP 4053068 B1 EP4053068 B1 EP 4053068B1 EP 20909257 A EP20909257 A EP 20909257A EP 4053068 B1 EP4053068 B1 EP 4053068B1
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EP
European Patent Office
Prior art keywords
mobile cart
main arm
support
locking
rails
Prior art date
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Active
Application number
EP20909257.6A
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English (en)
French (fr)
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EP4053068A1 (de
EP4053068A4 (de
Inventor
Yadong Li
Xiquan Liu
Yunfeng Li
Yuanhui SUN
Peng XIN
Tao Lv
Xiaohui LV
Peng Liu
Jianwen Li
Tao Sun
Yongjie SONG
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.)
Shandong Marine Energy Co Ltd
Shandong Offshore Equipment Co Ltd
Shandong Offshore Research Institute Co Ltd
Original Assignee
Shandong Marine Energy Co Ltd
Shandong Offshore Equipment Co Ltd
Shandong Offshore Research Institute Co Ltd
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
Priority claimed from CN201911394243.7A external-priority patent/CN111137794A/zh
Priority claimed from CN201922439338.8U external-priority patent/CN211393654U/zh
Application filed by Shandong Marine Energy Co Ltd, Shandong Offshore Equipment Co Ltd, Shandong Offshore Research Institute Co Ltd filed Critical Shandong Marine Energy Co Ltd
Publication of EP4053068A1 publication Critical patent/EP4053068A1/de
Publication of EP4053068A4 publication Critical patent/EP4053068A4/de
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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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating cranes
    • B66C23/53—Floating cranes including counterweight or means to compensate for list, trim, or skew of the vessel or platform
    • 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
    • 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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated

Definitions

  • the present disclosure relates to a lifting system with a three-way motion compensation function, and belongs to the technical field of ocean engineering.
  • a vessel body moves with a wave in a sea condition, and devices on the vessel body also move with the wave, causing phenomena such as imbalance of stress on a lifting device, mechanical collision, and constant change of a lifting position.
  • a synchronous lifting process is hard to guarantee; or even, a marine accident is caused.
  • Heave compensation in a vertical direction is generally used in the prior art, but heave compensation has an unsatisfactory compensation effect and a complex structure.
  • a boom is provided with a ballast buoy at a front end and a counterweight tank at a rear end.
  • the double-vessel hoisting method has the following defects: (1) It requires a complex structure, and takes a long time to fill and discharge water. (2) In this operation, a lifted object may collide with the vessel body because of shaking of the vessel body. (3) Lifting efficiency is low.
  • EP 0 903 319 A1 discloses a working platform, in particular for servicing aircrafts.
  • DE 34 03 016 A1 discloses an unloading device for ships.
  • KR 2019 0132741 discloses a skid apparatus for a floating structure.
  • the present disclosure provides a lifting system with a three-way motion compensation function to implement three-way motion compensation that avoids an impact of a wave on a lifting device and implements synchronous lifting of a plurality of lifting systems.
  • the lifting system with a three-way motion compensation function in the present disclosure includes a main arm, a second mobile cart, a first support, a second support, a first mobile cart, a lifting mechanism, and a vessel body.
  • the front end of the main arm is mounted at an upper end of the first mobile cart.
  • a rear end of the main arm is mounted at an upper end of the second mobile cart.
  • a lower end of the first mobile cart is mounted on the first support.
  • a lower end of the second mobile cart is mounted on the second support.
  • the first support and the second support are separately fixed on the vessel body.
  • First rails are mounted on two sides of a bottom of the front end of the main arm.
  • First road wheel sets are mounted at the upper end of the first mobile cart.
  • the first rails are mounted on the first road wheel sets.
  • Concave second rails are mounted on two sides of the rear end of the main arm.
  • Second road wheel sets are mounted at the upper end of the second mobile cart and in the concave second rails that are used for limiting up-down motion of the main arm.
  • the main arm moves left and right through the first road wheel sets and the second road wheel sets.
  • Third road wheels are mounted at the lower end of the first mobile cart.
  • Fourth rails are symmetrically mounted on two sides of the first support.
  • the third road wheels are mounted on the fourth rails and move along the fourth rails, thereby enabling the first mobile cart to move front and back relative to the first support.
  • Fourth road wheels are mounted at the lower end of the second mobile cart.
  • U-shaped third rails are mounted on two sides of the second support.
  • the fourth road wheels are mounted on the U-shaped third rails having a vertical positioning function and move along the U-shaped third rails, thereby enabling the second mobile cart to move front and back relative to the second support.
  • the main arm is driven to move front and back when the first mobile cart and the second mobile cart act synchronously.
  • the lifting mechanism for driving a lifted object to move up and down is hinged to the front end of the main arm.
  • two first racks are symmetrically mounted on two sides of the main arm.
  • third racks are symmetrically mounted on a left side and a right side of the first support.
  • a pair of first hydraulic motors symmetrically disposed about the main arm are mounted at the upper end of the first mobile cart.
  • a first gear is mounted on each of the first hydraulic motors and meshed with the first racks on the main arm, thereby driving the main arm to move.
  • a pair of first locking mechanisms used for locking the main arm and symmetrically disposed about the main arm are mounted at the upper end of the first mobile cart, such that the main arm can be static relative to the first mobile cart.
  • Two first road wheel sets are symmetrically disposed in each of a front side and a rear side of the upper end of the first mobile cart.
  • Four third road wheels are symmetrically disposed on each of a left side and a right side of the lower end of the first mobile cart.
  • a pair of second hydraulic motors symmetrically disposed about the main arm are mounted at the lower end of the first mobile cart.
  • a second gear is mounted on each of the second hydraulic motors and meshed with the third racks on the first support, thereby driving the first mobile cart to move.
  • a pair of second locking mechanisms used for locking the first mobile cart and symmetrically disposed about the first support are mounted at the lower end of the first mobile cart, such that the first mobile cart can be static relative to the first support.
  • each of the first locking mechanisms and the second locking mechanisms includes a locking apparatus mounted on the first mobile cart, as well as the first racks of the main arm and the third racks of the first support, which are meshed with the locking apparatus.
  • Each of the locking apparatuses includes a locking rack whose section takes the shape of an inverted trapezoid.
  • the locking rack is disposed on one side of the first racks/third racks.
  • Two adjustment hydraulic cylinders are hinged to a bottom of the locking rack.
  • a structure defined by the adjustment hydraulic cylinders has a certain included angle and takes the shape of inverted V.
  • Two locking sliders capable of moving left and right are disposed on the locking rack.
  • Each of the locking sliders slides uni-directionally along a slide rail and is provided with an inclined surface matched with the locking rack.
  • the adjustment hydraulic cylinders push the locking rack into the first racks/third racks.
  • the locking rack and the first racks/third racks are meshed with each other.
  • the two locking sliders approach the locking rack.
  • the inclined surfaces of the two locking sliders are fitted with inclined surfaces of the locking rack.
  • the second support is formed by welding plates together, and a second rack is mounted in a middle of the second support.
  • the second mobile cart is formed by welding a plate and rectangular tubes together.
  • a third hydraulic motor is mounted in a middle of the second mobile cart.
  • a third gear is mounted on the third hydraulic motor and meshed with the second rack on the second support, thereby driving the second mobile cart to move.
  • First guide wheels are mounted on a left side and a right side of the lower end of the second mobile cart, and are in contact with side walls of the U-shaped third rails, thereby implementing left-right positioning and guiding for the second mobile cart.
  • Four second guide wheels are mounted on a support frame of the second mobile cart, symmetrically disposed about the main arm, and mounted in the concave second rails, thereby performing a guiding function on left-right motion of the main arm.
  • the lifting mechanism includes a connecting rod, a driving rod, a lifting bracket, and a hydraulic cylinder.
  • One end of the connecting rod is hinged to the lifting bracket, and the other end thereof is hinged to the main arm.
  • One end of the driving rod is hinged to the lifting bracket, and the other end thereof is hinged to the main arm.
  • a rod end of the hydraulic cylinder is hinged to the driving rod, and a barrel end thereof is hinged to the main arm.
  • the lifting bracket moves up and down under the action of stretching of the hydraulic cylinder.
  • the present disclosure provides a lifting system with a three-way motion compensation function including a main arm 1, a first mobile cart 5, a second mobile cart 2, a second support 3, a first support 4, a lifting mechanism 6, and a vessel body 7.
  • a front end of the main arm 1 is mounted at an upper end of the first mobile cart 5.
  • a rear end of the main arm 1 is mounted at an upper end of the second mobile cart 2
  • a lower end of the first mobile cart 5 is mounted on the first support 4.
  • a lower end of the second mobile cart 2 is mounted on the second support 3.
  • the lifting mechanism 6 is mounted at the front end of the main arm 1.
  • the second support 3 and the first support 4 are separately fixed on the vessel body 7.
  • rails I 11 are mounted on two sides of a bottom of the front end of the main arm 1.
  • First road wheel sets 51 are mounted at the upper end of the first mobile cart 5.
  • the first rails 11 are mounted on the first road wheel sets 51.
  • Concave second rails 12 are mounted on two sides of the rear end of the main arm 1.
  • Second road wheel sets 21 are mounted at the upper end of the second mobile cart 2 and in the concave second rails 12 that are used for limiting up-down motion of the main arm 1.
  • the main arm 1 can move left and right through the first road wheel sets 51 and the second road wheel sets 21.
  • Third road wheels 52 are mounted at the lower end of the first mobile cart 5.
  • Fourth rails 41 are symmetrically mounted on two sides of the first support 4.
  • the third road wheels 52 are mounted on the fourth rails 41 and can move along the fourth rails 41, thereby enabling the first mobile cart 5 to move front and back relative to the first support 4.
  • Fourth road wheels 22 are mounted at the lower end of the second mobile cart 2.
  • U-shaped third rails 31 are mounted on two sides of the second support 3.
  • the fourth road wheels 22 are mounted in the third rails 31 having a vertical positioning function and can move along the third rails 31, thereby enabling the second mobile cart 2 to move front and back relative to the second support 3.
  • the main arm 1 can be driven to move front and back when the first mobile cart 5, and the second mobile cart 2 act synchronously.
  • the lifting mechanism 6 capable of driving a lifted object to move up and down is hinged to the front end of the main arm 1.
  • each of first locking mechanisms 54 and second locking mechanisms 56 includes a locking apparatus 8 mounted on the first mobile cart 5, as well as first racks 13 of the main arm 1 and third racks 42 of the first support 4, which are meshed with the locking apparatus 8.
  • Each of the locking apparatuses 8 includes a locking rack 81 whose section takes the shape of an inverted trapezoid.
  • the locking rack 81 is disposed on one side of the first racks 13/third racks 42.
  • Two adjustment hydraulic cylinders 82 are hinged to a bottom of the locking rack 81; a structure defined by the adjustment hydraulic cylinders 82 has a certain included angle and takes the shape of inverted V.
  • Two locking sliders 83 capable of moving left and right are disposed on the locking rack 81.
  • Each of the locking sliders 83 slides uni-directionally along a slide rail 84 and is provided with an inclined surface matched with the locking rack 81.
  • the adjustment hydraulic cylinders push the locking rack 81 into the first racks13/third racks 42.
  • the locking rack 81 and the first racks 13/third racks 42 are meshed with each other.
  • the two locking sliders 83 approach the locking rack 81, and the inclined surfaces of the two locking sliders 83 are fitted with inclined surfaces of the locking rack 81.
  • second hydraulic motors 55 and third hydraulic motor 23 act synchronously to adjust a position of the main arm 1 in a front-back direction.
  • first hydraulic motors 53 act to adjust the position of the main arm 1 in a left-right direction;
  • the hydraulic cylinder 64 in the lifting mechanism 6 acts to enable a lifting bracket 63 to approach the lifted object.
  • the lifting mechanism 6 controls stretching of the hydraulic cylinder 64 by detecting stress on the lifting bracket 63, and keeps stress on the lifting bracket 63 unchanged, thereby preforming a passive compensation function.
  • the first hydraulic motors 53, the second hydraulic motors 55, and the third hydraulic motor 23 are controlled by detecting a position offset of the vessel body relative to the lifted object, thereby compensating position deviation of the main arm 1 in the left-right direction and the front-back direction. Finally, the lifting bracket 63 is static relative to the lifted object, and the stress is constant.
  • a plurality of the lifting systems may be used to work jointly based on weight of the lifted object.
  • the lifting system can perform a three-way motion compensation function, and can effectively avoid mechanical collision, position deviation, or the like caused by rolling, pitching, or heaving of the vessel body.
  • the locking mechanisms provided in the present disclosure can effectively and reliably lock the main arm when there is no need for compensation.
  • the plurality of the lifting systems can be used jointly.
  • the lifting system has wide applicability, and uses hydraulic pressure for lifting, thereby having high lifting efficiency and low comprehensive costs.
  • the lifting system can be widely applied to scenarios of ocean engineering.
  • a circuit, an electronic component, and a module used in the lifting system are all belong to the prior art, and can be implemented by a person skilled in the art. Description of details is not required. Content provided by the present disclosure does not include improvement on software and a method.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (8)

  1. Hubsystem mit Drei-Wege-Bewegungskompensationsfunktion, aufweisend:
    einen Hauptarm (1),
    eine zweite Laufkatze (2),
    einen ersten Sockel (4),
    einen zweiten Sockel (3),
    eine erste Laufkatze (5),
    einen Hubmechanismus (6), und
    einen Schiffsrumpf (7),
    wobei ein vorderes Ende des Hauptarms (1) an einem oberen Ende der ersten Laufkatze (5) angebracht ist;
    ein hinteres Ende des ersten Hauptarms (1) an einem oberen Ende der zweiten Laufkatze (2) angebracht ist;
    ein unteres Ende der ersten Laufkatze (5) an dem ersten Sockel (4) angebracht ist;
    ein unteres Ende der zweiten Laufkatze (2) an dem zweiten Sockel (3) angebracht ist;
    der erste Sockel (4) und der zweite Sockel (3) separat an dem Schiffsrumpf (7) fixiert sind;
    an dem oberen Ende der ersten Laufkatze (5) erste Laufradsätze (51) angebracht sind; der Hauptarm (1) sich nach links und rechts bewegt; der Hauptarm (1) dazu angetrieben wird, sich nach vorn und hinten zu bewegen, wenn die erste Laufkatze (5) und die zweite Laufkatze (2) synchron wirken; dadurch gekennzeichnet, dass
    an zwei Senden einer Unterseite des vorderen Endes des Hauptarms (1) erste Schienen (11) angebracht sind;
    die ersten Schienen (11) an den ersten Laufradsätzen (51) angebracht sind;
    an zwei Seiten des hinteren Endes des Hauptarms (1) konkave zweite Schienen (12) befestigt sind;
    an dem oberen Ende der zweiten Laufkatze (2) zweite Laufradsätze (21) angebracht sind und die zweiten Laufradsätze (21) in den konkaven zweiten Schienen (12) angebracht sind, die dazu eingerichtet sind, eine Aufwärts-abwärts-Bewegung des Hauptarms (1) zu limitieren;
    die Bewegung des Hauptarms (1) nach links und rechts durch die ersten Laufradsätze (51) und die zweiten Laufradsätze (21) bereitgestellt wird;
    an dem unteren Ende der ersten Laufkatze (5) dritte Laufräder (52) angebracht sind;
    an zwei Seiten des ersten Sockels (4) vierte Schienen (41) symmetrisch angebracht sind;
    die dritten Laufräder (52) an den vierten Schienen (41) angebracht sind und sich an den vierten Schienen (41) entlang bewegen, um die erste Laufkatze (5) zu Bewegungen nach vorn und hinten relativ zu dem ersten Sockel (4) anzutreiben,
    an dem unteren Ende der zweiten Laufkatze (2) vierte Laufräder (22) angebracht sind;
    U-an zwei Seiten des zweiten Sockels (3) geformte dritte Schienen (31) angeordnet sind;
    die vierten Laufräder (22) an den U-förmigen dritten Schienen (31), die eine vertikale Positionierungsfunktion aufweisen, angebracht sind und dazu eingerichtet sind, sich entlang der U-förmigen dritten Schienen (31) zu bewegen, um die zweite Laufkatze (2) dazu anzutreiben, sich relativ zu dem zweiten Sockel (3) nach vorne und hinten zu bewegen; und
    der Hubmechanismus (6) dazu eingerichtet ist, ein angehobenes Objekt dazu anzutreiben, sich nach oben und unten zu bewegen, und an dem vorderen Ende des Hauptarms (1) angelenkt ist.
  2. Hubsystem nach Anspruch 1, dadurch gekennzeichnet, dass an zwei Seiten des Hauptarms (1) zwei erste Zahnstangen (13) symmetrisch angebracht sind.
  3. Hubsystem nach Anspruch 2, dadurch gekennzeichnet, dass an einer linken Seite und einer rechten Seite des ersten Sockels (4) dritte Zahnstangen (42) symmetrisch angebracht sind.
  4. Hubsystem nach Anspruch 3, dadurch gekennzeichnet, dass ein Paar erste Hydraulikmotoren (53), das symmetrisch zu dem Hauptarm (1) angeordnet ist, an dem oberen Ende der ersten Laufkatze (5) angeordnet ist;
    an jedem der ersten Hydraulikmotoren (53) ein erstes Zahnrad angebracht ist und in die ersten Zahnstangen (13) an dem Hauptarm (1) eingreift, um den Hauptarm (1) dazu anzutreiben, sich zu bewegen;
    ein Paar erste Verriegelungsmechanismen (54), das symmetrisch zu dem Hauptarm (1) angeordnet ist, an dem oberen Ende der ersten Laufkatze (5) angebracht ist, und das Paar erste Verriegelungsmechanismen (54) dazu eingerichtet ist, den Hauptarm (1) zu verriegeln, um den Hauptarm (1) relativ zu der ersten Laufkatze (5) statisch zu machen;
    an einer Vorderseite und einer Rückseite des oberen Endes der ersten Laufkatze (5) jeweils zwei erste Laufradsätze (51) symmetrisch angeordnet sind; an einer linken Seite und einer rechten Seite des unteren Endes der ersten Laufkatze (5) jeweils vier dritte Laufräder (52) symmetrisch angeordnet sind;
    ein Paar zweite Hydraulikmotoren (55), das symmetrisch zu dem Hauptarm (1) angeordnet ist, an dem unteren Ende der ersten Laufkatze (5) angeordnet ist;
    an jedem der zweiten Hydraulikmotoren (55) ein zweites Zahnrad angebracht ist und in die dritten Zahnstangen (42) an dem ersten Sockel (4) eingreift, um die erste Laufkatze (5) dazu anzutreiben, sich zu bewegen; und
    ein Paar zweite Verriegelungsmechanismen (56), das symmetrisch zu dem ersten Sockel (4) angeordnet ist, an dem unteren Ende der ersten Laufkatze (5) angebracht ist, und das Paar zweite Verriegelungsmechanismen (56) dazu eingerichtet ist, die erste Laufkatze (5) zu verriegeln, um die erste Laufkatze (5) relativ zu dem ersten Sockel (4) statisch zu machen.
  5. Hubsystem nach Anspruch 4, dadurch gekennzeichnet, dass der erste Verriegelungsmechanismus (54) und der zweite Verriegelungsmechanismus (56) jeweils eine Verriegelungsvorrichtung (8) aufweisen, die an der ersten Laufkatze (5) angebracht ist; die ersten Zahnstangen (13) des Hauptarms (1) und die dritten Zahnstangen (42) des ersten Sockels (4) mit dem Verriegelungsmechanismus (8) in Eingriff sind; jede der
    Verriegelungsvorrichtungen (8) eine Verriegelungszahnstange (81) mit einem umgekehrt trapezförmigen Schnitt aufweist;
    die Verriegelungszahnstange (81) auf einer Seite der ersten Zahnstangen (13)/dritten Zahnstangen (42) angeordnet ist;
    an einer Unterseite der Verriegelungszahnstange (81) zwei Einstellhydraulikzylinder (82) angelenkt sind;
    eine durch die zwei Einstellhydraulikzylinder (82) definierte Struktur einen bestimmten eingeschlossenen Winkel aufweist und die Form eines umgekehrten V annimmt;
    an einer linken Seite und einer rechten Seite der Verriegelungszahnstange (81) zwei Verriegelungsschieber (83) beweglich angeordnet sind;
    jeder der zwei Verriegelungsschieber (83) unidirektional entlang einer Gleitschiene (84) gleitet und mit einer schrägen Oberfläche versehen ist, die mit der Verriegelungszahnstange (81) zusammenpasst;
    die zwei Einstellhydraulikzylinder (82) die Verriegelungszahnstange (81) in die ersten Zahnstangen (13)/dritten Zahnstangen (42) drücken;
    die Verriegelungszahnstange (81) und die ersten Zahnstangen (13)/dritten Zahnstangen (42) miteinander in Eingriff sind;
    sich die zwei Verriegelungsschieber (83) der Verriegelungszahnstange (81) nähern;
    und die schrägen Oberflächen der zwei Verriegelungsschieber (83) an schräge Oberflächen der Verriegelungszahnstange (81) angepasst sind.
  6. Hubsystem nach Anspruch 1, dadurch gekennzeichnet, dass der zweite Sockel (3) durch Verschweißen von Platten miteinander ausgebildet ist; und in einer Mitte des zweiten Sockels (3) eine zweite Zahnstange (32) angebracht ist.
  7. Hubsystem nach Anspruch 6, dadurch gekennzeichnet, dass die zweite Laufkatze (2) durch Verschweißen einer Platte und rechteckiger Röhren miteinander ausgebildet ist;
    in einer Mitte der zweiten Laufkatze (2) ein dritter Hydraulikmotor (23) montiert ist;
    an dem dritten Hydraulikmotor (23) ein drittes Zahnrad angebracht ist und in die zweite Zahnstange (32) an dem zweiten Sockel (3) eingreift, um die zweite Laufkatze (2) dazu anzutreiben, sich zu bewegen;
    an einer linken Seite und einer rechten Seite des unteren Endes der zweiten Laufkatze (2) erste Führungsräder (24) angebracht sind und mit Seitenwänden der U-förmigen dritten Schienen (31) in Kontakt sind, um eine Links-rechts-Positionierung und Führung für die zweite Laufkatze (2) zu implementieren; und
    auf einem Sockelrahmen der zweiten Laufkatze (2) vier zweite Führungsräder (25) montiert sind, die symmetrisch zu dem Hauptarm (1) angeordnet sind und in den konkaven zweiten Schienen (12) angebracht sind, um eine Führungsfunktion bei Links-rechts-Bewegung des Hauptarms (1) auszuüben.
  8. Hubsystem nach Anspruch 1, dadurch gekennzeichnet, dass der Hubmechanismus (6) eine Verbindungsstange (61), eine Antriebsstange (62), eine Hubhalterung (63) und einen Hydraulikzylinder (64) aufweist.
    ein erstes Ende der Verbindungsstange (61) an der Hubhalterung (63) angelenkt ist und ein zweites Ende der Verbindungsstange (61) an dem Hauptarm (1) angelenkt ist;
    ein erstes Ende der Antriebsstange (62) an der Hubhalterung (63) angelenkt ist und ein zweites Ende Antriebsstange (62) an dem Hauptarm (1) angelenkt ist;
    ein Stangenende des Hydraulikzylinders (64) an der Antriebsstange (62) angelenkt ist und ein Kolbenende des Hydraulikzylinders (64) an dem Hauptarm (1) angelenkt ist; und
    die Hubhalterung (63) sich unter der Wirkung einer Ausdehnung des Hydraulikzylinders (64) nach oben und unten bewegt.
EP20909257.6A 2019-12-30 2020-12-14 Hubsystem mit dreiwege-bewegungskompensationsfunktion Active EP4053068B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201911394243.7A CN111137794A (zh) 2019-12-30 2019-12-30 具有三向移动补偿功能的举升系统
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