EP1722186B1 - Minenfräse für ein Minenräumfahrzeug - Google Patents

Minenfräse für ein Minenräumfahrzeug Download PDF

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Publication number
EP1722186B1
EP1722186B1 EP06008385A EP06008385A EP1722186B1 EP 1722186 B1 EP1722186 B1 EP 1722186B1 EP 06008385 A EP06008385 A EP 06008385A EP 06008385 A EP06008385 A EP 06008385A EP 1722186 B1 EP1722186 B1 EP 1722186B1
Authority
EP
European Patent Office
Prior art keywords
mine
rotor
cross
members
drive
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
EP06008385A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1722186A1 (de
Inventor
Heinz Rath
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.)
MineWolf Systems AG
Original Assignee
MineWolf Systems AG
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
Application filed by MineWolf Systems AG filed Critical MineWolf Systems AG
Priority to SI200630761T priority Critical patent/SI1722186T1/sl
Publication of EP1722186A1 publication Critical patent/EP1722186A1/de
Application granted granted Critical
Publication of EP1722186B1 publication Critical patent/EP1722186B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/12—Means for clearing land minefields; Systems specially adapted for detection of landmines
    • F41H11/16—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles
    • F41H11/20—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles with ground-penetrating elements, e.g. with means for removing buried landmines from the soil
    • F41H11/26—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles with ground-penetrating elements, e.g. with means for removing buried landmines from the soil the elements being rotary ground-penetrating elements

Definitions

  • the present invention relates to a mine cutter, in particular for a mine clearance vehicle, according to the preamble of claim 1.
  • Mine clearance vehicles are used particularly in crisis areas and former crisis areas to clear land areas that are contaminated with land mines from these mines and to make them usable again.
  • the mine clearance vehicles have at their front end in the direction of travel, for example, a mine cutter, which is to bring the land mines detonation.
  • the mine cutter usually has a rotor to which the actual milling tools are attached. This rotor is driven in rotation while the mine clearance vehicle is being driven so that the milling tools plow through the ground at a specific milling depth. If the milling tools encounter tank or personnel mines, a detonation is triggered at these mines or the mines are mechanically destroyed without detonation.
  • the WO-A-02/101195 a mine-milling machine on which the preamble of claim 1 is based and which, instead of a conventional stable drum, has an open rotor with a plurality of cross-beams mounted substantially parallel to the axis of rotation of the rotor and spaced both from each other and from a central rotating shaft Carrying device for rotational drive of the rotor and carrying the rotor at a desired distance above the ground and a plurality of releasably mounted on the rotor milling tools.
  • the DE 44 42 135 C1 a conventional mine milling machine for an armored vehicle having a rotor module with a plurality of disk bodies and a driving and supporting device for supporting and driving the rotor.
  • the drive and support device is pivotally mounted to the armored vehicle in a conventional manner to pivot the rotor between a mine clearance operating position and a non-operating position for transportation.
  • On the drive and support side runners are attached, which sit in the operating position of the rotor on the ground to support the Mine mill. To adjust the desired depth of cut of the disk body, the runners are height-adjustable attached to the drive and support device.
  • the mine-milling machine for a mine-clearing vehicle includes a rotor with lateral support members at its two longitudinal ends and a plurality of cross-members mounted between the lateral support members substantially parallel to the axis of rotation of the rotor and spaced both from each other and from the axis of rotation; a drive and support device which includes a drive unit for rotationally driving the rotor and supporting the rotor at a desired distance above the ground; and a plurality of milling tools attached to the rotor.
  • the mine cutter is designed as an open mine cutter, wherein the cross member of the rotor are formed with a substantially round cross-section.
  • This minecutter has a relatively open construction due to the use of an essentially multi-beam open rotor instead of a solid drum.
  • the cross members of the rotor are formed with a substantially round cross section.
  • Such a round cross section provides a pressure wave of a mine detonation less attack surface than the conventionally used strip-like cross member.
  • the above-described construction of the mine cutter obviously leads to a further reduction of damage in a detonation of a mine.
  • the use of the mine cutter can be operated more cost-effectively and with less repair effort, which is particularly advantageous in mines contaminated areas and countries that have little infrastructure.
  • the cross members are tubular, resulting in a weight reduction compared to conventional rotor designs.
  • the milling tools are releasably attached to the rotor, so that damaged milling tools can be easily replaced and replaced, for example, after the detonation of a mine.
  • the cross member may be additionally interconnected via a plurality of radially spaced and spaced in the axial direction of the rotor holding plates, where the milling tools can be attached directly or indirectly via tool carrier.
  • the drive and support device can be arranged a predetermined distance above the ground even when using the mine cutter. This distance of the drive and support device above the ground has several advantages: first, the drive and support device can not trigger a mine itself because it does not contact the ground, and secondly, the mine cutter is open at the side, so that the pressure wave of mine detonation can escape laterally ,
  • the lateral holding elements on which the cross member are mounted formed in an open design, so they do not offer a closed attack surface pressure wave of a mine detonation.
  • the distance of the drive and support device above the ground when using the mine cutter is at least 10 cm.
  • the distance of the propulsion and support device above the ground when using the minecutter ranges from about 5% to about 50%, more preferably from about 10% to about 35%, of a milling radius of the minecutter; and the distance of the cross beams from the axis of rotation of the rotor is, for example, in a range of about 50% to about 95%, more preferably about 75% to about 95% of a cutting radius of the mill cutter.
  • the cross members are arranged at an angular distance of about 30 ° to about 60 ° about the axis of rotation.
  • the rotor contains no central rotary shaft. This design creates an even more open and lighter rotor design.
  • the entire rotor (consisting of cross members, retaining plates and optionally retaining elements) is detachably attached as a unit to the drive and support device.
  • the entire rotor is detachably attached as a unit to the drive and support device.
  • different rotor designs with, for example, different milling radii or different milling tool densities can be mounted on a drive and support device.
  • a repair of the mine cutter by a simple replacement of the entire rotor unit is possible.
  • the cross member are connected on one side with the lateral holding elements (and possibly the other holding elements), preferably welded. This allows above all a simpler assembly of the rotor.
  • a mine clearing vehicle 10 is illustrated which is based, for example, on an ordinary construction vehicle such as a bulldozer. Both tracked vehicles and wheeled vehicles can be used as mine clearance vehicles 10.
  • a vehicle chassis 12 On both sides of a vehicle chassis 12 support arms 14 are pivotally mounted, which receive at their front ends between them a mine cutter 16. The support arms 14 can be raised and lowered, for example, by hydraulic cylinders 17 to adjust the penetration depth of the milling tools of the mine cutter 16 into the ground.
  • a protective plate 20 for example in the form of an armor plate, is provided between the mine cutter 16 and the vehicle chassis 12 or the vehicle body 18.
  • the protective plate 20 intercepts the pressure wave of a detonating mine 22 and protects the mine clearance vehicle 10 and in particular also its driver.
  • the mine mill 16 essentially consists of a rotor 24 and a drive and support device 26, which contains a drive unit (not shown) for the rotary drive of the rotor 24 and carries the rotor 24 at a desired distance above the ground 30.
  • the drive and support device 26 is supported via a Bodenkufe 32 on the ground 30, on the one hand, the support of the weight of the mine cutter 16 and on the other hand, the height adjustment of the rotor 24 is used.
  • the drive and support device 26 is generally mounted on both sides of the vehicle on a support arm 14 of the mine clearance vehicle 10.
  • the rotor 24 itself has a central rotation shaft 34 which extends transversely to the direction of travel of the mine clearance vehicle 10 and is rotationally driven by the drive unit of the drive and support device 26.
  • a lateral holding element 36 in the form of a side flange is rotatably connected to a drive shaft 37 of the drive and support device 26 and thus also to the rotary shaft 34, whose radius forms the rotor radius.
  • a plurality of cross members 38 are attached in the form of strip-shaped profile bars, which are substantially parallel to the rotary shaft 34 and both a mutual distance and a distance from the rotary shaft 34 so that the mine cutter 16 has a relatively open rotor construction, the a pressure wave of a mine detonation provides less attack surface than a rotor with a large solid drum.
  • the cross members 38 are also mutually supported by other flanges 39 and on the rotary shaft 34.
  • a variety of milling tools 40 (of which in Fig. 2 For the sake of simplicity, only one is indicated) is preferably releasably attached to the rotor 24, so that they can be easily replaced when worn or damaged, without the to disassemble the entire rotor 24.
  • the milling tools 40 are fastened to holding plates (not shown), for example, via tool carriers (not shown), which are each adjacent to each other in the radial direction, cross members 38 and spaced apart in the axial direction of the rotor 24.
  • the holding plates also cause a stabilization of the open rotor construction 24th
  • the mine cutter 16 is also essentially constructed of a rotor 24 and a drive and support device 26, the drive and support device 26 including a drive unit (not shown, for example belt drive, chain drive or the like) for rotationally driving the rotor 24 and the rotor 24 carries at a desired distance above the ground 30 and rotates with respect to the direction of travel of the mine clearance vehicle 10 in the forward direction.
  • this drive and support device 26 is also held during the intended use of the mine cutter 16 a predetermined distance d above the ground 30.
  • the mine cutter 16 is laterally open, so that a pressure wave at a mine detonation through this gap between the ground 30 and drive and support device 26 can escape laterally, without damaging the drive and support device 26 or destroy altogether (see also Fig. 6 further down).
  • Another advantage of this design is that the drive and support device 26 does not contact the ground 30 and, therefore, can not itself trigger a mine that would otherwise detonate directly below the drive and support 26 and severely damage it.
  • the predetermined distance d between the driving and supporting device 26 and the ground 30 should be at least 10 cm to ensure a sufficiently large lateral opening of the mine cutter 16.
  • the predetermined distance d of the driving and supporting device 26 above the ground 30 when using the mine cutter is preferably in a range of about 5% to about 50%, more preferably from about 10% to about 35% of a cutting radius R of the mine-tiller 16.
  • Der Milling radius R is defined as the radius of the rotor 24 including the milling tools 40, in other words as a distance between a central axis of rotation 42 of the rotor 24 and the outer ends of the milling tools 40th
  • the rotor 24 has, as above, a central rotation shaft 34 which extends transversely to the direction of travel of the mine clearance vehicle 10 and is rotationally driven by the drive unit of the drive and support device 26.
  • a lateral holding element 36 is rotatably attached to the rotary shaft 34 or a drive shaft or hub 37 of the drive and support device 26, whose radius forms the rotor radius r.
  • the lateral holding elements 36 preferably have an open construction in order to provide as little as possible an attack surface on a pressure wave in a mine detonation.
  • a total of two drive and support devices 26 on both sides of the mine clearance vehicle 10 each on a support arm 14 so that the rotor 24 is securely held between the two driving and supporting devices 26 and can be stably rotated.
  • a plurality of cross members 38 are mounted between these two lateral support members 36, wherein the cross member 38 extend substantially parallel to the rotary shaft 34 and the axis of rotation 42 of the rotor 24 and both a mutual (angular) distance ⁇ (see Fig. 4 ) as well as a distance D to the rotary shaft 34 have.
  • the cross members 38 are circumferentially arranged around the rotation shaft 34 at regular intervals (see FIG Fig. 4 ).
  • the mine cutter 16 has a relatively open rotor construction 24 which provides a pressure wave of a mine detonation less attack surface than a rotor with a large solid drum.
  • the distance D of the cross members 38 (more precisely, their center axis) from the axis of rotation 42 of the rotor 24 is preferably in a range of about 50% to about 95%, more preferably about 75% to about 95% of the cutting radius R of the mine cutter 16.
  • the angular distance ⁇ between adjacent cross beams 38 is preferably in a range between about 20 ° and about 60 °, more preferably between about 30 ° and about 60 °.
  • six to twelve cross members 38 are preferably arranged around the rotary shaft 34; if necessary, however, more cross members 38 can be provided in principle.
  • cross members 38 can be supported against each other and on the rotary shaft 34 via further holding elements 39, which are formed similarly to the lateral holding elements 36, in order to achieve a higher stability of the entire rotor 24.
  • these other holding elements 39 but also be dispensed with, whereby the rotor 24 on the one hand more open (advantage in mine detonation) and on the other hand easier (advantage in assembly and transport) and cheaper.
  • the cross member 38 in contrast to the conventional mine cutter 16 of Fig. 2 a substantially round cross-section.
  • a round cross-sectional shape provides a pressure wave resulting from a mine detonation significantly less attack surface than about strip-like cross member and the like, which were previously used in mine cutters.
  • the present invention is not limited to exactly circular cross-sectional shapes; Rather, for example, slightly elliptical cross-sectional shapes can be used.
  • the cross members 38 may also deviate from this round cross-sectional shape for easier assembly.
  • the round cross member 38 may also be tubular, resulting in a weight reduction of the rotor structure 24. In order to ensure a high stability at the same time, a double pipe construction is conceivable for the cross member 38.
  • a plurality of holding plates 43 respectively connect adjacent cross members 38 in the radial direction with each other, thus leading to further stabilization of the rotor structure 24.
  • these holding plates 43 are spaced from each other to maintain the open rotor structure 24.
  • a plurality of knife-like milling tools 40 either directly or indirectly via tool carrier (not shown) attached.
  • the milling tools 40 are releasably attached, so that they can be easily replaced when worn or damaged. For the sake of simplicity, is in Fig. 3 only a milling tool 40 indicated.
  • the cross member 38, the rotary shaft 34, the lateral support members 36, the other holding elements 39 and the holding plates 43 are all firmly connected to each other, preferably welded.
  • the cross member 38 and the rotary shaft 34 of the lateral and the further holding elements 36, 39 are preferably only on one side and welded to them, by being fitted in corresponding half-shell-shaped recesses. This construction results in a simpler assembly and also a lighter weight of the rotor construction 24th
  • the second embodiment differs from the above-described mine cutter 16 substantially in that the central rotating shaft 34 of the rotor 24 is omitted.
  • the round cross member 38 are alone connected via lateral support members 36 with the drive and support device 26 which are rotatably mounted on this. This results in comparison to the first embodiment, an even more open and lighter rotor design 24 with the associated advantages, as explained above.
  • the cross member 38 are connected via a further retaining element 39 at their ends with the lateral support member 36, for example screwed.
  • the drive and support device 26 can accommodate different rotor sizes, i. Milling radii R be designed.
  • Milling radii R be designed.
  • smaller and larger mine cutters 16 can be used as needed by simply replacing the rotor 24 on a mine clearance vehicle 10.
  • a larger cutting radius R which is caused for example by a greater distance of the cross member 38 to the axis of rotation 42 and possibly also from each other, automatically the distance d between the ground 30 and the drive and support device 26 becomes larger.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Repair (AREA)
  • Shovels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
EP06008385A 2005-05-13 2006-04-24 Minenfräse für ein Minenräumfahrzeug Active EP1722186B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200630761T SI1722186T1 (sl) 2005-05-13 2006-04-24 Freza za odstranjevanje min za vozilo za odstranjevanje min

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005022206 2005-05-13

Publications (2)

Publication Number Publication Date
EP1722186A1 EP1722186A1 (de) 2006-11-15
EP1722186B1 true EP1722186B1 (de) 2010-06-09

Family

ID=36782532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06008385A Active EP1722186B1 (de) 2005-05-13 2006-04-24 Minenfräse für ein Minenräumfahrzeug

Country Status (5)

Country Link
EP (1) EP1722186B1 (hr)
AT (1) ATE470832T1 (hr)
DE (1) DE502006007142D1 (hr)
HR (1) HRP20100487T1 (hr)
SI (1) SI1722186T1 (hr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5793536B2 (ja) * 2013-06-03 2015-10-14 雨宮　清 地雷処理装置
CN103453802A (zh) * 2013-08-28 2013-12-18 哈尔滨中诚科技发展有限公司 一种压发雷排爆装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731249A1 (de) * 1987-09-17 1989-03-30 Ahlmann Maschinenbau Gmbh Kehrwalze fuer ein selbstfahrendes flaechenraeumgeraet
DE4442135C1 (de) 1994-11-26 1996-01-18 Mak System Gmbh Räumvorrichtung
DE10128518A1 (de) * 2001-06-13 2002-12-19 Ahwi Maschb Gmbh Rotorsystem für Bodenfräse - Minenfräse

Also Published As

Publication number Publication date
SI1722186T1 (sl) 2010-11-30
ATE470832T1 (de) 2010-06-15
DE502006007142D1 (de) 2010-07-22
EP1722186A1 (de) 2006-11-15
HRP20100487T1 (hr) 2010-10-31

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