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EP4488220B1 - Système de support hybride pour grues - Google Patents

Système de support hybride pour grues Download PDF

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Publication number
EP4488220B1
EP4488220B1 EP23184032.3A EP23184032A EP4488220B1 EP 4488220 B1 EP4488220 B1 EP 4488220B1 EP 23184032 A EP23184032 A EP 23184032A EP 4488220 B1 EP4488220 B1 EP 4488220B1
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EP
European Patent Office
Prior art keywords
carrier system
wheel
movement cylinder
movement
cylinder
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.)
Active
Application number
EP23184032.3A
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German (de)
English (en)
Other versions
EP4488220A1 (fr
Inventor
Bahtiyar ERKIN
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.)
Erkin Ismakinalari Insaat Sanayi Ithalat Ihracat Ticaret Pazarlama Ltd Sirketi
Original Assignee
Erkin Ismakinalari Insaat Sanayi Ithalat Ihracat Ticaret Pazarlama Ltd Sirketi
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Application filed by Erkin Ismakinalari Insaat Sanayi Ithalat Ihracat Ticaret Pazarlama Ltd Sirketi filed Critical Erkin Ismakinalari Insaat Sanayi Ithalat Ihracat Ticaret Pazarlama Ltd Sirketi
Priority to EP23184032.3A priority Critical patent/EP4488220B1/fr
Publication of EP4488220A1 publication Critical patent/EP4488220A1/fr
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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

Definitions

  • the invention relates to a hybrid carrier system for cranes.
  • the invention particularly relates to a self-propelled hybrid carrier system for knuckle boom cranes and telescopic cranes.
  • the self-propelled carrier systems for knuckle boom and telescopic boom cranes are the systems that are controlled by a remote control and do not have a compartment for the operator.
  • the self-propelled carrier systems for knuckle boom cranes and telescopic cranes are the equipment that are used for increasing portability and mobility characteristics of cranes. These systems enable cranes to move on their own wheels and provide easy portability and flexibility.
  • the self-propelled carrier systems are generally equipped with wheels and motorized drive mechanisms mounted on the crane chassis. Thus, the cranes can move with their own power and easily change their position at the work area.
  • Some self-propelled carrier systems have various wheels and axles that can move independently on the crane chassis. In this way, the crane enables movements such as rotation, back and forth and drifting sideways.
  • the carrier systems used in the state of the art are designed in two different ways; only crawler or only rubber-wheeled.
  • the power unit of the carrier systems generally comprises a diesel engine and the diesel engine energizes the propulsion system.
  • the diesel engine is mounted on the carrier substructure. Therefore, it causes the center of gravity of the carrier substructure to be higher than the normal and negatively affects the climbing performance of the carrier system.
  • the crawler system is generally chosen.
  • Steel crawler systems are used for crawler systems to comfortably operate on rough lands. Even though the steel crawler system provides high climbing ability and durability in difficult rough lands, it is not suitable for using in areas where the land conditions are smoother (such as asphalt road, factory area) due to the damage to the ground by the steel crawler system. It is possible for the steel pallets to be covered with rubber type soft materials in order to prevent them to damage the ground, however, the pallets covered by a soft material has low climbing capacity on highlands. Moreover, the crawler systems move very slowly, and their manoeuvrability is very limited for narrow areas.
  • the crawler carrier systems generally have the following features:
  • Rubber-wheeled propulsion systems are generally designed to operate in areas where the land conditions are smooth (such as asphalt road, parquet areas) and are not suitable for using on rough lands.
  • manoeuvrability is generally provided by steering the front tires. This limits manoeuvrability in very narrow areas.
  • the rubber-wheeled carrier systems generally have the following features:
  • diesel engines that provide power to the carrier systems are generally located on the upper part of the chassis. This causes the center of gravity of the total system to be on the higher and negatively affects the climbing ability of the carrier systems.
  • JP 2000 211560 A discloses the preamble of claim 1.
  • the invention is inspired by the present conditions and aims to solve the above-mentioned disadvantages.
  • the main object of the invention is to introduce a carrier system comprises a combination of a steel crawler system and a trackless rubber wheeled propulsion system.
  • the trackless rubber wheeled propulsion system is activated in places where the land conditions are smoother, while the steel crawler system is used on rough lands.
  • Another object of the invention is to provide a carrier system with increased climbing ability with a design that enables the center of gravity to be closer to the ground.
  • Another object of the invention is to provide a carrier system with maximum mobility, particularly on rough lands.
  • Another object of the invention is to increase the climbing angle of the carrier system on rough lands.
  • Another object of the invention is to enable the steel crawler system to be separated by the right and left side of the carrier system, to increase the logistics capability of the system, and to ensure that the weight of the system can be reduced when necessary.
  • the weight reduction mentioned above also provides an opportunity to create an eco-friendly system by reducing the fuel consumption during use.
  • a self-propelled hybrid carrier system for cranes comprising a body acting as a chassis and a substructure on which the cranes are carried, a crawler system located on the sides of the body to enable the carrier system to move in rough land conditions and climb the inclined surfaces, comprises following:
  • hybrid carrier system (A) of the invention is described only for a better understanding of the subject.
  • the carrier system (A) comprises pieces positioned on a body (10) acting as a chassis.
  • the body (10) is also a substructure on which the cranes are carried besides enabling the other elements to be together.
  • the cranes are preferably knuckle boom cranes or telescopic boom cranes.
  • Lower part of the body (10) is in the form of an arc with its ends tapering upwards, while middle parts are parallel to the ground. Therefore, the body (10) has the shape of a boat and ensures that the body (10) can easily climb particularly on rough lands when in motion, and it ensures that it can climb on the lands with higher angle values, and that the lower part of the body (10) does not hit ground during climbing.
  • Inner part of the body (10) is produced with a latticed model. Therefore, the crane mounted on the body (10) prevents the body (10) from flexing during the load lifting process and increases the stability of the carrier system (A).
  • the engine bearing (11) is hollow in the shape of V, and a diesel engine is placed inside it to provide power to the carrier system (A).
  • the position of the engine bearing (11) is specially chosen and the diesel engine is not on the body (10), but the inner part the body (10). In this way, the center of gravity of the carrier system (A) is lowered so that it enables the carrier system (A) to climb steeper angles.
  • the stabilizers (20) are in a position higher than the body (10) and provide the stability of the crane mounted on the body (10) during operation.
  • the stabilizers (20) are mounted on the body (10) preferably with the welding method or any fixing element.
  • the stabilizers (20) can be used by opening them to the sides as seen in Figure 9 .
  • the crawler system (30) preferably has pallets made of steel material product and provides that the carrier system (A) can move in rough land conditions and climb right surfaces between 15-20 degrees.
  • the crawler system (30) can be chosen as any crawler system used in the state of art.
  • the crawler system (30) generally comprises pallets made of steel or special alloys, and each pallet having a set of wheels or rollers. These wheels or rollers move on the propulsion rails on the mechanism.
  • the pallets are moved by the drive that it receives from a diesel engine located in the engine bearing (11).
  • An electric engine can also preferably be used in the engine bearing (11).
  • the carrier system (A) comprises four-wheel propulsion systems (40) to be positioned on the sides of the body (10) and on the sides of the stabilizers (20).
  • the wheel propulsion system (40) basically comprises folding cylinder (41), movement cylinder (42), port (421), load check valve (422), inner arm (423), air tube (43), slewing ring (44), sensor (441), hydraulic motor (45), wheel (46), wheel body (47) and connecting plate (48).
  • the carrier system (A), which is subject of the invention, can optionally move with the crawler system (30) or the wheel propulsion system (40). Through using the propulsion systems together, the carrier system (A), which is subject of the invention, has a hybrid feature.
  • the height is adjusted by the movement cylinder (42).
  • the wheel body (47) connected with the inner arm (423) of the movement cylinder (42).
  • the wheel body (47) can move linearly with the movement of the movement cylinder (42) and the height of the wheel body (47) can be adjusted according to the usage requirement.
  • the wheel (46) contacts with the ground when the wheel propulsion system (40) is activated and enables the carrier system (A) to move with the rotational movement.
  • There is a hydraulic motor (45) connected with the wheel (46) by its center point on the wheel body (47).
  • the hydraulic motor (45) provides the rotational movement to the wheel (46).
  • the hydraulic motor (45) is preferably hydraulic-powered, and it is an engine operating with hydraulic fluid pressure and has different speed modes.
  • the slewing ring (44) Between the wheel body (47) and the inner arm (423).
  • the slewing ring (44) enables the wheel body (47) and the wheel (46) to be steered to the right or left.
  • Each wheel (46) in the carrier system (A) can be steered independently from each other.
  • the sensor (441) continuously controls the steering angles of the wheels (46) and enables the wrong rotations to be prevented. Therefore, it is provided that the four wheels (46) in the carrier system (A) operate synchronously.
  • the sensor (441) is integrated on the slewing ring (44). It reports the position of a wheel (46) to the main processor (computer) on the carrier system (A).
  • the main processor calculates how many degrees the other three wheels (46) should turn to the right or left by using this information and transmits the rotation angle to the wheels (46) as a command.
  • the wheels (46) are stopped electronically when they reach the desired angle. Therefore, it is prevented from going out of the desired rotation angle.
  • the wheels (46), which are preferably made of trackless material are used in the wheel propulsion system (40). Therefore, the wheels (46) do not leave a tire track on the ground while driving. This provides that the ground is not damaged, especially when working inside the factory.
  • the carrier system (A) which is subject of the invention, has four aforementioned wheel propulsion systems (40) and each is independent of each other, manoeuvrability is maximized.
  • the carrier system (A) can move forward or backward diagonally and also rotate 360 degrees around a fixed point or slide right or left.
  • the air tube (43) adds suspension ability to the movement cylinder (42).
  • the air tube (43) draws the hydraulic fluid squeezed into it during driving in the movement cylinder (42) and it enables the inner arm (423) part of the movement cylinder (42) to get in a little. This movement provides the opportunity to act as a suspension to the movement cylinder (42) so that the vibration is absorbed.
  • this movement cylinder (42) is preferably a double-acting hydraulic cylinder.
  • One of the ports (421) is on the side of the movement cylinder (42) (sleeve), and the other is on the side of the inner arm (423) (rod).
  • Forward and backward movements of the movement cylinder (42) are possible by directing the hydraulic fluid from the right port (421) of the movement cylinder (42).
  • Load check valves (422) are used in order to prevent the fluid directed into the movement cylinder (42) from staying in that position and to prevent the inner arm (423) part of the movement cylinder (42) from reaching to equilibrium position after the movement cylinder (42) is brought to the desired position.
  • the load check valves (422) block the hydraulic fluid inside the movement cylinder (42) and the movement enables the movement cylinder (42) to stay in the determined position.
  • the wheel propulsion system (40) when the wheel propulsion system (40) is not used, it is folded upwardly with an angle on the body (10) so as not to contact with the folding cylinder (41) to the ground and not to prevent the movement of the crawler system (30).
  • This fold also forms a sufficient amount of gap for the crawler system (30) to operate.
  • the gap also enables the crawler system (30) to be able to climb comfortably.
  • the folding cylinder (41) is connected with the movement cylinder (42).
  • the wheel propulsion system (40) is mounted on the body (10) with the connecting plate (48).
  • the folding cylinder (41) is located on the connecting plate (48).
  • the pin (12) is a hydraulic pin, and when it is separated from the pin housing (31), it enables the crawler system (30) to be separated from the body (10) if necessary.
  • the crawler system (30) can be removed from the body (10) so that the weight of the system is reduced, and the cost of transportation is lowered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (15)

  1. Système porteur hybride autopropulsé (A) pour grues, comprenant :
    • un corps (10) faisant office de châssis et une sous-structure sur laquelle les grues sont portées,
    • un système de chenille (30) sur les parties latérales du corps (10) afin de permettre au système porteur (A) de se déplacer dans des conditions de terrain difficiles et de gravir les surfaces inclinées,
    • un système de propulsion de quatre roues (40) positionné à l'opposé sur les côtés du corps (10), permettant au système porteur (A) de se déplacer sur les roues en coupant le contact du système de chenille (30) avec le sol lorsqu'il est activé, et le système de propulsion de roues (40) comprenant en outre :
    ∘ un cylindre de mouvement (42) pour permettre le réglage de la hauteur,
    ∘ un bras interne (423) se déplaçant linéairement dans le cylindre de mouvement (42),
    ∘ un corps de roue (47) relié au bras interne (423),
    ∘ une roue (46) placée dans le corps de roue (47),
    ∘ un moteur hydraulique (45) relié à la roue (46) par un point central sur le corps de roue (47) afin de fournir un mouvement de rotation à la roue (46), caractérisé en ce que le système de propulsion de roues comprend en outre
    ∘ une couronne d'orientation (44) située entre le corps de roue (47) et le bras interne (423) pour permettre au corps de roue (47) et à la roue (46) d'être dirigés vers la droite ou la gauche,
    ∘ un cylindre de pliage (41) relié au cylindre de mouvement (42) pour permettre au système de propulsion de roues (40) d'être plié vers le haut avec un angle sur le corps (10) de manière à ne pas entrer en contact avec le sol lorsqu'il n'est pas utilisé et à ne pas empêcher le mouvement du système de propulsion de roues (30).
  2. Système porteur (A) selon la revendication 1, caractérisé en ce qu'il comprend un palier de moteur (11), qui est une cavité en forme de V permettant au système porteur (A) de gravir à angle droit en abaissant le centre de gravité et en fournissant une puissance au système porteur (A) et dans laquelle un moteur diesel est placé.
  3. Système porteur (A) selon la revendication 1 ou 2, caractérisé en ce qu'il comprend des stabilisateurs (20) qui se trouvent dans une position plus élevée que le corps (10) et qui se trouvent dans les côtés avant et arrière, à droite et à gauche, du corps (10) afin d'assurer la stabilité de la grue montée sur le corps (10) pendant le fonctionnement.
  4. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce que le moteur hydraulique (45) est à alimentation hydraulique, et choisi comme moteur fonctionnant avec une pression de fluide hydraulique.
  5. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un capteur (441) monté d'un seul tenant sur la couronne d'orientation (44) afin de commander les angles de direction des roues (46) en continu et d'empêcher des mauvaises rotations et de permettre aux quatre roues (46) situées dans le système porteur (A) de fonctionner de manière synchrone.
  6. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce que les roues (46) sont fabriquées en matériau sans trace pour garantir que les roues (46) ne laissent pas de trace de pneu sur le sol pendant la conduite et que le sol n'est pas endommagé.
  7. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce que chacun des systèmes de propulsion de roues (40) du système porteur (A) peut fonctionner indépendamment des autres.
  8. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend une chambre à air (43) sur le cylindre de mouvement (42) afin de fournir une suspension au cylindre de mouvement (42) en aspirant le fluide hydraulique pressé dans le cylindre de mouvement (42) pendant la conduite et en permettant à la partie de bras interne (423) du cylindre de mouvement (42) de se déplacer d'une certaine quantité.
  9. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce que le cylindre de mouvement (42) est un cylindre hydraulique à double effet et le cylindre de mouvement (42) comprend deux orifices (421), l'un du côté du cylindre de mouvement (42) et l'autre du côté du bras interne (423).
  10. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un orifice (421) permettant au fluide hydraulique d'être dirigé afin de fournir un mouvement vers l'avant et vers l'arrière du cylindre de mouvement (42).
  11. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend une plaque de liaison (48) située sur le cylindre de pliage (41) afin de permettre au système de propulsion de roues (40) d'être monté sur le corps (10).
  12. Système porteur (A) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend au moins un boîtier de broche (31) sur le système de chenille (30).
  13. Système porteur (A) selon la revendication 10, caractérisé en ce qu'il comprend des clapets anti-retour de charge (422) afin de permettre au fluide hydraulique de rester dans la position dirigée vers l'intérieur du cylindre de mouvement (42) et d'empêcher la partie de bras interne (423) du cylindre de mouvement (42) d'atteindre la position d'équilibre après que le cylindre de mouvement (42) est amené à la position souhaitée.
  14. Système porteur (A) selon la revendication 12, caractérisé en ce qu'il comprend au moins une broche (12) à placer dans le boîtier de broche (31) sur le corps (10) afin de permettre au système de chenille (30) d'être séparé du corps (10).
  15. Système porteur (A) selon la revendication 12 ou 14, caractérisé en ce qu'il comprend la broche (12) est une broche hydraulique.
EP23184032.3A 2023-07-07 2023-07-07 Système de support hybride pour grues Active EP4488220B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23184032.3A EP4488220B1 (fr) 2023-07-07 2023-07-07 Système de support hybride pour grues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23184032.3A EP4488220B1 (fr) 2023-07-07 2023-07-07 Système de support hybride pour grues

Publications (2)

Publication Number Publication Date
EP4488220A1 EP4488220A1 (fr) 2025-01-08
EP4488220B1 true EP4488220B1 (fr) 2025-06-25

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Family Applications (1)

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EP23184032.3A Active EP4488220B1 (fr) 2023-07-07 2023-07-07 Système de support hybride pour grues

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EP (1) EP4488220B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11222151A (ja) * 1998-02-04 1999-08-17 Komatsu Ltd 走行装置
JP2000211560A (ja) * 1999-01-20 2000-08-02 Tcm Corp 産業用車両
TR200707833U (tr) 2007-11-14 2008-04-21 Köse Ahmet Tekerlekli taşıma platformu.

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EP4488220A1 (fr) 2025-01-08

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