EP3271219B1 - Véhicule et procédé pour soutenir un véhicule - Google Patents

Véhicule et procédé pour soutenir un véhicule Download PDF

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Publication number
EP3271219B1
EP3271219B1 EP16734551.1A EP16734551A EP3271219B1 EP 3271219 B1 EP3271219 B1 EP 3271219B1 EP 16734551 A EP16734551 A EP 16734551A EP 3271219 B1 EP3271219 B1 EP 3271219B1
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EP
European Patent Office
Prior art keywords
vehicle
piston
spring
pressure
accumulator
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
EP16734551.1A
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German (de)
English (en)
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EP3271219A1 (fr
Inventor
Oliver Meding
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.)
Krauss Maffei Wegmann GmbH and Co KG
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Krauss Maffei Wegmann GmbH and Co KG
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Publication of EP3271219A1 publication Critical patent/EP3271219A1/fr
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Publication of EP3271219B1 publication Critical patent/EP3271219B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A23/00—Gun mountings, e.g. on vehicles; Disposition of guns on vehicles
    • F41A23/56—Arrangements for adjusting the gun platform in the vertical or horizontal position
    • F41A23/58—Hydraulic jacks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A23/00—Gun mountings, e.g. on vehicles; Disposition of guns on vehicles
    • F41A23/56—Arrangements for adjusting the gun platform in the vertical or horizontal position

Definitions

  • the present invention relates to a vehicle, in particular military vehicle, with a plurality of each supported between a support and a driving position pivotally mounted on the vehicle supporting devices for supporting the vehicle with at least one resiliently formed telescopic support having a hydraulically movable piston arranged whose one side a hydraulic circuit is resiliently supported against a spring accumulator.
  • the invention also relates to a method for Supporting a particular military vehicle with a plurality, in particular with four, resiliently formed telescopic supports, which have a hydraulically movable arranged piston whose one side is resiliently supported by a hydraulic circuit against a spring accumulator.
  • telescopic supports which are hydraulically extended as needed and supported against the ground. In the extended state, the extended telescopic supports behave rigidly even with large supporting forces to be transmitted and ensure good stability.
  • spring-trained telescopic supports are provided. Similar to the rigidly formed telescopic supports also have these telescopic supports on a hydraulically movable piston arranged. To be able to absorb the jerking firing reaction forces, however, it is provided in these supporting devices that the piston is not rigidly resiliently supported against the hydraulic fluid, but via the serving for actuating the piston hydraulic circuit against a spring accumulator. When the firing reaction forces occur, therefore, the telescopic support springs against the spring accumulator and then returns to its starting position. Defined forces result on the parts of the support device lying in the power flow, which are dimensioned such that both the vehicle and the support device are not in danger of being damaged as a result of the firing reaction forces that occur.
  • Object of the present invention is therefore to provide a vehicle as well as a method for supporting a vehicle with spring-trained telescopic supports, which are characterized by improved support properties.
  • the pressure accumulator counteracting the spring accumulator allows the balance of forces within the telescopic support to be adapted to the situation.
  • the extension length of the telescopic support can be adjusted.
  • the balance of power can be adjusted so that not only one, but a plurality of vehicle positions are conceivable for a given spring biasing force. As a result, the support properties can be significantly improved.
  • the piston is arranged within a hydraulic cylinder.
  • the piston can be moved back and forth within the hydraulic cylinder, to which the hydraulic cylinder can be connected via appropriate connections to the hydraulic circuits.
  • a further embodiment provides that the piston subdivides the hydraulic cylinder into a cylinder space and an annular space, the side of the piston pointing in the direction of the cylinder space being supported against the spring accumulator and the side of the piston pointing in the direction of the annular space against the pressure accumulator.
  • the telescopic support has an outer tube and an inner tube movable relative to the outer tube, wherein the outer tube is coupled via a connection point with the hydraulic cylinder and the inner tube via a connection point with the piston.
  • the inner tube and the outer tube can be designed to be movable relative to one another via a guide element.
  • the inner tube may at its lower end a support leg with respect to the telescopic support Have enlarged support surface.
  • the support leg can be arranged interchangeably on the telescopic support. It can therefore be used depending on the nature of the soil different support feet. For example, other support feet can be used on muddy or muddy surfaces, as with a support against, for example, sandy and very dry soil.
  • a further embodiment provides that the piston is supported against the spring accumulator via a damping element arranged in the hydraulic circuit. This results in a spring-damper training of the telescopic support, so that the firing reaction forces occurring during firing of the weapon are transmitted attenuated. It is also conceivable that the piston is additionally and / or alternatively supported by a arranged in the hydraulic circuit damping element against the pressure accumulator.
  • the damping elements may be throttle elements that are integrated in the hydraulic circuits.
  • a further embodiment provides that the spring accumulator and / or the pressure accumulator are designed as gas storage.
  • the gas storages are pneumatic accumulators which can be ventilated or vented via a vehicle's own pneumatic system.
  • the gas pressure within the spring accumulator and / or the pressure accumulator is adjustable.
  • the adjustment of the gas pressure can be done directly by filling or removing gas.
  • the gas pressure can also be increased and / or lowered via the pressure of the hydraulic fluid of the hydraulic circuit supported against the spring accumulator or the pressure accumulator.
  • a further advantageous embodiment provides that the support against the spring accumulator and the pressure accumulator via separate hydraulic circuits takes place. For example, it may be provided that the two hydraulic circuits are at a different pressure level.
  • a structurally advantageous, as few components requiring configuration provides that the hydraulic circuits are connected via a switching valve with a common pump and a common tank.
  • the hydraulic circuits each have at least one pressure regulator for adjusting the hydraulic pressure in the hydraulic circuits.
  • each support device has separate spring accumulator and pressure accumulator. In this way, each support device can be controlled separately, which is advantageous, for example, in the case of bumps for leveling the vehicle.
  • a particularly advantageous embodiment of the method is characterized in that the spring characteristic of the telescopic supports is set via the pressure prevailing in the spring accumulators and / or pressure accumulators. If, for example, the pressure increases in both accumulators, a greater preload force of the spring accumulator results, without the telescopic support continuing to extend through the pressure accumulator due to the opposing force increase. As a result, the spring characteristic can be set harder or softer.
  • the spatial position of the vehicle is set via the ruling in the spring accumulators and / or pressure accumulators pressure.
  • the vehicle By increasing the pressure in the pressure accumulator, the vehicle can be raised by further telescoping the telescopic supports, for example, without thereby changing the spring biasing force within the spring accumulator and thus the spring characteristic.
  • the accumulator pressure on the ring side can be reduced by the amount of the increasing floor erection force in the end to achieve the same preload force regardless of the level of the vehicle.
  • Fig. 1 shows in perspective view a vehicle 1, which is a military wheeled vehicle.
  • vehicle 1 is only an example.
  • the invention can be used in the same way in other types of vehicles.
  • the vehicle 1 has in the front area a cab 4 accommodating the vehicle crew and, behind it, a stowage box 5 for the stowage of equipment.
  • a platform 3 which serves to receive a weapon tower 2 arranged thereon.
  • the turret 2 is a large caliber artillery gun, which is arranged in both azimuth and elevation directionally on the platform 3.
  • Fig. 1 illustrated is the support position of the vehicle 1, in which the vehicle 1 is supported by a plurality of support devices 10 relative to the ground.
  • a total of four support devices 10 are respectively arranged in the corner regions of the weapon platform 3 carrying the weapon tower 2.
  • the support devices 10 each have spring-trained telescopic supports 11 due to the large firing reaction forces resulting from the operation of the turret 2.
  • the telescopic supports 11 of the support devices 10 are pivotally mounted on the platform 3. After reaching a shooting position, the telescopic supports 11 are first of a more compact driving position in the in Fig. 2 shown support position pivoted.
  • the telescopic cylinders 11 are rotatably mounted in the manner of bearing blocks formed pivot bearings 24.
  • a swivel cylinder 25 is provided, via which the telescopic support 11 can pivot about the pivot bearing 24 back and forth.
  • the telescopic support 11 has an outer tube 18 and a displaceably arranged therein inner tube 17th smaller diameter.
  • the telescopic support 11 can be telescoped, ie extend or retract.
  • the telescopic support 11 is shown in its fully extended position, in which a support plate 19 is in contact with a substrate, not shown in the figure.
  • the movement of the inner tube 17 relative to the outer tube 18 is guided via a guide element 20 arranged between the two tubes.
  • a hydraulically operated piston 12 is provided which can be moved back and forth via two hydraulic circuits 31, 41 and is mechanically coupled to the support element, cf. also the representation in Fig. 4 ,
  • the piston 12 is arranged to move back and forth within a surrounding hydraulic cylinder 13.
  • the piston 12 subdivides the hydraulic cylinder 13 into a cylinder space 13.1 arranged above the piston 12 and an annular space 13.2 arranged below.
  • the two rooms 13.1 and 13.2 are fluidically separated from each other and connected via corresponding terminals 15, 16 to separate hydraulic circuits 31, 41.
  • the connection 16 initially has a connecting piece 16. 1 which extends transversely to the actuating direction of the piston 12 and which is formed substantially similar to the connection 15.
  • the connection piece 16.1 is adjoined by a tubular connecting piece 16.2 extending in the direction of actuation of the piston 12 and then in turn by a connecting piece 16.3 extending transversely thereto. This ensures that the hydraulic circuit 41 is connected via the connection 16 in a lower region of the hydraulic cylinder 13 and the movements of the inner tube 17 can be carried over parts of the terminal 16 away, without the terminal 16 would hinder this.
  • the hydraulic cylinder is coupled via a junction 22 with the outer tube 18 fixed at telescoping.
  • the piston 12 is coupled via a pin 23 and a connection point 21 with the moving during telescoping inner tube 17.
  • the connection points 21, 22 are designed such that they simultaneously serve as stops for limiting the movement of the inner tube 17 relative to the outer tube 18.
  • the telescopic support 11 has a piston 12 and a hydraulic cylinder 13, in which the piston 12 is arranged for telescoping the telescopic support 11 via two hydraulic circuits 31, 41 movable.
  • the piston 12 divides the hydraulic cylinder 13 into a first chamber, which is the cylinder space 13.1, and a second chamber, which is the annular space 13.2.
  • the cylinder chamber 13.1 and the annular space 13.2 are hydraulically separated from each other, which is why it is the hydraulic fluid is not possible to flow from one side of the block 12 to the other.
  • the hydraulic cylinder 13 is connected via terminals 15, 16 to separate hydraulic circuits 31, 41, via which the hydraulic fluid in the cylinder chamber 13.1 and the annulus 13.2 initiated and can be derived.
  • Fig. 4 a situation is shown in which the telescopic support 11 is retracted.
  • hydraulic fluid enters the annular space 13.2 via the connection 16.
  • the same amount of hydraulic fluid exits through the port 15 from the cylinder chamber 13.1, so that the piston 12 and with this the support leg 19 of the telescopic support 11 moves upward and the telescopic support 11 is retracted.
  • the hydraulic fluid guided into the annular space 13.2 originates from a hydraulic circuit 41.
  • the hydraulic fluid leaving the cylinder chamber 13.1 is discharged via a hydraulic circuit 31.
  • the two hydraulic circuits 31, 41 are formed separately, but connected via a switching valve 50 to a common pump 51 and a common tank 52.
  • the hydraulic fluid from the pump 51 coming via the switching valve 50 and the open in this case valve 43 of the hydraulic circuit 41 is passed into the annular space 13.2.
  • the hydraulic fluid flows out of the cylinder chamber 13.1 via a damping element 35, the valve 33 opened in this case and the changeover valve 50 into the tank 52.
  • the changeover valve 50 can switch, so that the pump 51 in the direction of the cylinder chamber 13.1 promotes and the hydraulic fluid from the annular space 13.2 can escape into the tank 52.
  • the telescopic support 11 is resilient.
  • the hydraulic circuit 31 is resiliently supported against a spring accumulator 30.
  • the spring accumulator 30 has a spring biasing force F 1 which acts on the piston 12 via the hydraulic fluid of the hydraulic circuit 31 and is directed counter to the erection force F 3 .
  • F 1 spring biasing force
  • the pressure accumulator 40 is also a gas accumulator. Via the pressure accumulator 40, a pressure force F 2 is transmitted to the piston 12. This pressure force F 2 is aligned parallel to the erection force F 3 and against the spring force F 1 . It therefore results in the Fig. 4 drawn equilibrium of forces, wherein the spring biasing force F 1 of the sum of the radial force F 3, and the pressing force F 2 corresponds.
  • the pressure force F 2 can be increased and as a result the telescopic support 11 can be extended further until the vehicle is in a horizontal orientation, in which the contact forces on all telescopic supports 11 are the same.
  • the spring characteristic of the support devices 10 can be changed.
  • the spring characteristic can be set harder at very high expected launch reaction forces.
  • an increase of the spring biasing force F 1 is required. This can be done by an additional filling of the spring accumulator with gas or, as in the embodiment according to Fig. 4 is provided, by further supplying hydraulic fluid into the hydraulic circuit 31, whereby the gas in the spring accumulator is compressed even more and the spring biasing force F 1 increases.
  • the pressure in the pressure accumulator 40 can be increased in such a way that the rising forces F 1 and F 2 on the piston 12 cancel each other. The result is a higher spring biasing force which results in a changed spring characteristic upon compression of the support device due to the firing reaction forces.
  • the height of a supported over a plurality of supporting devices 10 vehicle 1 can be adjusted by adjusting the pressure force.
  • the associated vehicle 1 and the corresponding method can be achieved with a variety of adjustment options in a simple manner, even with resilient supports clear improved support properties.

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

Claims (15)

  1. Véhicule, en particulier véhicule militaire, muni de plusieurs dispositifs de soutien (10) montés sur le véhicule de façon pivotante entre une position de soutien et une position de roulage pour le soutien du véhicule (1) avec au moins un soutien télescopique sous forme élastique (11), qui présente un piston (12) disposé de façon déplaçable hydrauliquement, dont un côté est soutenu de façon élastique par un circuit hydraulique (31) contre un accumulateur à ressort (30), dans lequel l'autre côté du piston (12) est soutenu par un circuit hydraulique (41) contre un accumulateur de pression (40) s'opposant à l'accumulateur à ressort (30).
  2. Véhicule selon la revendication 1, caractérisé en ce que le piston (12) est disposé à l'intérieur d'un cylindre hydraulique (13).
  3. Véhicule selon la revendication 2, caractérisé en ce que le piston (12) divise le cylindre hydraulique (13) en une chambre de cylindre (13.1) et une chambre annulaire (13.2), dans lequel le côté du piston (12) orienté en direction de la chambre de cylindre (13.1) est soutenu contre l'accumulateur à ressort (30) et le côté du piston (12) orienté en direction de la chambre annulaire (13.2) est soutenu contre l'accumulateur de pression (40).
  4. Véhicule selon la revendication 2 ou la revendication 3, caractérisé en ce que le soutien télescopique (11) présente un tube extérieur (18) et un tube intérieur (17) déplaçable par rapport au tube extérieur, dans lequel le tube extérieur (18) est couplé au cylindre hydraulique (13) par un point d'assemblage (22) et le tube intérieur (17) est couplé au piston (12) par un point d'assemblage (21).
  5. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que le piston (12) est soutenu contre l'accumulateur à ressort (30) par un élément d'amortissement (35) disposé dans le circuit hydraulique (31).
  6. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que l'accumulateur à ressort (30) et/ou l'accumulateur de pression (40) sont réalisés sous forme d'accumulateurs à gaz.
  7. Véhicule selon la revendication 6, caractérisé en ce que la pression du gaz à l'intérieur de l'accumulateur à ressort (30) et/ou de l'accumulateur de pression (40) est réglable.
  8. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que le soutien par rapport à l'accumulateur à ressort (30) et l'accumulateur de pression (40) est assuré par des circuits hydrauliques séparés (31, 41).
  9. Véhicule selon la revendication 8, caractérisé en ce que les circuits hydrauliques (31, 41) sont reliés par une soupape d'inversion (50) à une pompe commune (51) et à un réservoir commun (52).
  10. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que les circuits hydrauliques (31, 41) présentent respectivement au moins un régulateur de pression (34, 44) pour le réglage de la pression hydraulique dans les circuits hydrauliques (31, 41).
  11. Véhicule selon l'une quelconque des revendications précédentes, caractérisé par quatre dispositifs de soutien (10).
  12. Véhicule selon l'une quelconque des revendications précédentes, caractérisé en ce que les dispositifs de soutien (10) sont munis chacun d'accumulateurs à ressort (30) et d'accumulateurs de pression (40) séparés.
  13. Procédé pour soutenir un véhicule (1) selon l'une quelconque des revendications précédentes, avec plusieurs, en particulier avec quatre, soutiens télescopiques sous forme élastique (11), qui présentent un piston (12) déplaçable hydrauliquement, dont un côté est soutenu élastiquement contre un accumulateur à ressort (30) par un circuit hydraulique (31), dans lequel l'autre côté du piston (12) est soutenu par un circuit hydraulique (41) contre un accumulateur de pression (40) s'opposant à l'accumulateur à ressort (30).
  14. Procédé selon la revendication 13, caractérisé en ce que la configuration élastique des soutiens télescopiques (11) est réglée au moyen de la pression régnant dans les accumulateurs à ressort (30) et/ou dans les accumulateurs de pression (40).
  15. Procédé selon la revendication 13 ou la revendication 14, caractérisé en ce que la position spatiale du véhicule (1) est réglée au moyen de la pression régnant dans les accumulateurs à ressort (30) et/ou dans les accumulateurs de pression (40).
EP16734551.1A 2015-03-18 2016-03-14 Véhicule et procédé pour soutenir un véhicule Active EP3271219B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015104079 2015-03-18
PCT/DE2016/100113 WO2016146106A1 (fr) 2015-03-18 2016-03-14 Dispositif de support, véhicule et procédé pour soutenir un véhicule

Publications (2)

Publication Number Publication Date
EP3271219A1 EP3271219A1 (fr) 2018-01-24
EP3271219B1 true EP3271219B1 (fr) 2019-12-11

Family

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EP16734551.1A Active EP3271219B1 (fr) 2015-03-18 2016-03-14 Véhicule et procédé pour soutenir un véhicule

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EP (1) EP3271219B1 (fr)
WO (1) WO2016146106A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US20220213665A1 (en) * 2020-10-12 2022-07-07 Jiangsu Xcmg Construction Machinery Research Institute Ltd. Wheeled engineering vehicle for improving operation efficiency

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Publication number Priority date Publication date Assignee Title
DE102019122396A1 (de) * 2019-08-20 2021-02-25 Ffg Flensburger Fahrzeugbau Gesellschaft Mbh Fahrzeug mit einem eine Mehrzahl von Fahrzeugstützen aufweisenden Stützsystem

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US5338010A (en) * 1990-06-28 1994-08-16 Zahnradfabrik Friedrichshafen Ag Hydropneumatic vehicle suspension
US7111544B2 (en) 2001-08-30 2006-09-26 Krauss-Maffei Wegmann Gmbh & Co. Kg Artillery gun with a heavy weapon arranged on a support vehicle
DE10337601A1 (de) * 2003-08-16 2005-03-10 Deere & Co Hydropneumatische Federungseinrichtung
DE102012106626B3 (de) 2012-07-20 2013-09-26 Krauss-Maffei Wegmann Gmbh & Co. Kg Waffenplattform, militärisches Fahrzeug mit einer Waffenplattform und Verfahren zum Betrieb einer Waffenplattform
US9567728B2 (en) * 2012-11-21 2017-02-14 Joshua Colbert Telescoping outrigger systems
DE102013105733A1 (de) * 2013-06-04 2014-12-04 Krauss-Maffei Wegmann Gmbh & Co. Kg Waffenplattform und Verfahren zum Betrieb einer Waffenplattform

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220213665A1 (en) * 2020-10-12 2022-07-07 Jiangsu Xcmg Construction Machinery Research Institute Ltd. Wheeled engineering vehicle for improving operation efficiency
EP3951082A4 (fr) * 2020-10-12 2023-01-18 Jiangsu XCMG Construction Machinery Research Institute Ltd. Véhicule d'ingénierie à roues capable d'améliorer l'efficacité de fonctionnement
US11834809B2 (en) * 2020-10-12 2023-12-05 Jiangsu Xcmg Construction Machinery Research Institute Ltd. Wheeled engineering vehicle for improving operation efficiency

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Publication number Publication date
WO2016146106A1 (fr) 2016-09-22
EP3271219A1 (fr) 2018-01-24

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