EP3271219A1 - Stützvorrichtung, fahrzeug und verfahren zur abstützung eines fahrzeugs - Google Patents
Stützvorrichtung, fahrzeug und verfahren zur abstützung eines fahrzeugsInfo
- Publication number
- EP3271219A1 EP3271219A1 EP16734551.1A EP16734551A EP3271219A1 EP 3271219 A1 EP3271219 A1 EP 3271219A1 EP 16734551 A EP16734551 A EP 16734551A EP 3271219 A1 EP3271219 A1 EP 3271219A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- accumulator
- piston
- spring
- pressure
- 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.)
- Granted
Links
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 supporting device for supporting a particular military vehicle with at least one resiliently trained telescopic support, which has a hydraulically movable arranged piston whose one side is resiliently supported by a hydraulic circuit against a spring accumulator.
- Another object of the invention is a vehicle, in particular a military vehicle, with such a support device.
- 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 supporting devices are frequently used in the field of military vehicles, as disclosed, for example, in WO 03/025494 A1 or DE 10 2012 106 626 B3.
- spring-trained telescopic supports are provided. Similar to the rigidly formed telescopic supports also have these telescopic supports on a hydraulically movable piston arranged.
- 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.
- 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.
- the equilibrium of forces within the telescopic support can be adjusted as required by the situation. sen.
- 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.
- the support properties can be significantly improved.
- Constructively advantageous in this context is an embodiment in which 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 divides the hydraulic cylinder into a cylinder space and an annular space, wherein the pointing in the direction of the cylinder chamber side of the piston is supported against the spring accumulator and pointing in the direction of the annulus side of the piston against the pressure accumulator.
- the telescopic support has an outer tube and an inner tube movable with respect to the outer tube, wherein the outer tube is coupled to the hydraulic cylinder via a connection point and the inner tube is coupled to the piston via a connection point.
- the inner tube and the outer tube can be designed to be movable relative to one another via a guide element.
- the inner tube can at its lower end a support leg with respect to the Teleskopstüt- ze enlarged contact surface have.
- 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, on marshy or muddy surfaces other support feet can be used, 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 accumulator is adjustable bar.
- 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 further embodiment provides that the support devices between a support and a driving position are pivotally mounted on the vehicle.
- these can be hinged to the Vehicle hinged and designed to be pivotable about a pivot cylinder.
- the swing cylinder may be a hydraulically actuated swing cylinder actuated by one of the hydraulic circuits for moving the piston or a separate hydraulic circuit.
- 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 can be raised by further telescoping of the telescopic supports, for example, without this changing the spring preload 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. 2 is a schematic side view of a supporting device
- FIG. 3 is a schematic sectional view of a telescopic support in the telescoped state
- Fig. 4 is a circuit diagram overview of a support device.
- Fig. 1 shows a perspective view of 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 Shown in FIG. 1 is the support position of the vehicle 1, in which the vehicle 1 is supported by several 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 during the operation of the weapon tower 2.
- the telescopic supports 11 of the support devices 10 are pivotally attached to the platform 3.
- the telescopic supports 1 1 are first pivoted from a more compact driving position in the support position shown in Fig. 2.
- the telescopic cylinder 1 1 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 swivel bearing 24 back and forth.
- the telescopic support 1 1 has an outer tube 18 and an inner tube 17 displaceably arranged therein 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 illustration in Fig. 4.
- the piston 12 is disposed within a surrounding this hydraulic cylinder 13 to and fro.
- 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 connections 15, 16 to separate hydraulic circuits 31, 41.
- the connection 16 initially has a nozzle-like connection piece 16.
- connection piece 16.1 extending transversely to the actuating direction of the piston 12, which basically is designed similarly 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.
- the hydraulic cylinder is coupled via a connection point 22 to the outer tube 18 which is fixed when 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 for telescoping the telescopic support 1 1 via two hydraulic circuits 31, 41 is arranged 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 hydrau- likfluid 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 hy likfluid in the cylinder chamber 13.1 and the annulus 13.2 introduced and can be derived.
- FIG. 4 shows a situation in which the telescopic support 1 1 is retracted.
- the same amount of hydraulic fluid exits via 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 1 1 is retracted.
- the hydraulic fluid guided into the annular space 13. 2 comes 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 telescopic support 1 1 is resilient.
- the hydraulic circuit 31 is resiliently supported against a spring accumulator 30.
- the spring accumulator 30 has a spring biasing force Fi, which acts via the hydraulic fluid of the hydraulic circuit 31 on the piston 12 and the Aufstellkraft F 3 is directed against.
- Fi acts via the hydraulic fluid of the hydraulic circuit 31 on the piston 12 and the Aufstellkraft F 3 is directed against.
- the piston 12 thus extends until an equilibrium of forces results between the spring biasing force Fi of the spring accumulator 30 and the raising force F 3 .
- 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 Aufstellkraft F 3 and against the spring force. Therefore, the force equilibrium shown in FIG. 4 results, in which the spring preload force Fi corresponds to the sum of the set-up force F 3 and the pressure force F 2 .
- This arrangement with a piston 12, which is supported in both directions via the corresponding hydraulic circuits 31, 41, allows better support of the vehicle in many situations. For example, on slopes, targeted influence on the extension length of the telescopic supports 1 1 influence and thereby the vehicle are leveled in a horizontal orientation. For example, the pressure force F 2 can be increased and thereby the telescopic support 1 1 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 Fi is required. This can be done by an additional filling of the spring accumulator with gas or, as provided in the embodiment of FIG. 4, 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 Fi increases ,
- the pressure in the pressure accumulator 40 can be increased in such a way that the rising forces and F 2 on the piston 12 cancel each other out. The result is a higher spring preload force, which results in a changed spring characteristic when the support device is deflected as a result of 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.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015104079 | 2015-03-18 | ||
| PCT/DE2016/100113 WO2016146106A1 (de) | 2015-03-18 | 2016-03-14 | Stützvorrichtung, fahrzeug und verfahren zur abstützung eines fahrzeugs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3271219A1 true EP3271219A1 (de) | 2018-01-24 |
| EP3271219B1 EP3271219B1 (de) | 2019-12-11 |
Family
ID=56344945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16734551.1A Active EP3271219B1 (de) | 2015-03-18 | 2016-03-14 | Fahrzeug und verfahren zur abstützung eines fahrzeugs |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3271219B1 (de) |
| WO (1) | WO2016146106A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019122396B4 (de) * | 2019-08-20 | 2025-03-06 | Ffg Flensburger Fahrzeugbau Gesellschaft Mbh | Fahrzeug mit einem eine Mehrzahl von Fahrzeugstützen aufweisenden Stützsystem |
| CN112160358A (zh) * | 2020-10-12 | 2021-01-01 | 江苏徐工工程机械研究院有限公司 | 提升作业效率的轮式工程车辆 |
| SE2300087A1 (sv) * | 2023-10-26 | 2025-04-27 | Westbay Solutions Ab | Släpvagn för eldrörsartilleri |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4120758A1 (de) * | 1990-06-28 | 1992-01-02 | Zahnradfabrik Friedrichshafen | Hydropneumatische federung fuer fahrzeuge |
| EP1421327B1 (de) | 2001-08-30 | 2010-06-30 | Krauss-Maffei Wegmann GmbH & Co. KG | Artilleriegeschütz mit einer auf einem trägerfahrzeug angeordneten schweren waffe |
| 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 |
-
2016
- 2016-03-14 EP EP16734551.1A patent/EP3271219B1/de active Active
- 2016-03-14 WO PCT/DE2016/100113 patent/WO2016146106A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3271219B1 (de) | 2019-12-11 |
| WO2016146106A1 (de) | 2016-09-22 |
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